diff options
Diffstat (limited to 'src/debug/elf')
33 files changed, 7598 insertions, 0 deletions
diff --git a/src/debug/elf/elf.go b/src/debug/elf/elf.go new file mode 100644 index 0000000..c982c68 --- /dev/null +++ b/src/debug/elf/elf.go @@ -0,0 +1,3600 @@ +/* + * ELF constants and data structures + * + * Derived from: + * $FreeBSD: src/sys/sys/elf32.h,v 1.8.14.1 2005/12/30 22:13:58 marcel Exp $ + * $FreeBSD: src/sys/sys/elf64.h,v 1.10.14.1 2005/12/30 22:13:58 marcel Exp $ + * $FreeBSD: src/sys/sys/elf_common.h,v 1.15.8.1 2005/12/30 22:13:58 marcel Exp $ + * $FreeBSD: src/sys/alpha/include/elf.h,v 1.14 2003/09/25 01:10:22 peter Exp $ + * $FreeBSD: src/sys/amd64/include/elf.h,v 1.18 2004/08/03 08:21:48 dfr Exp $ + * $FreeBSD: src/sys/arm/include/elf.h,v 1.5.2.1 2006/06/30 21:42:52 cognet Exp $ + * $FreeBSD: src/sys/i386/include/elf.h,v 1.16 2004/08/02 19:12:17 dfr Exp $ + * $FreeBSD: src/sys/powerpc/include/elf.h,v 1.7 2004/11/02 09:47:01 ssouhlal Exp $ + * $FreeBSD: src/sys/sparc64/include/elf.h,v 1.12 2003/09/25 01:10:26 peter Exp $ + * "System V ABI" (http://www.sco.com/developers/gabi/latest/ch4.eheader.html) + * "ELF for the ARM® 64-bit Architecture (AArch64)" (ARM IHI 0056B) + * "RISC-V ELF psABI specification" (https://github.com/riscv/riscv-elf-psabi-doc/blob/master/riscv-elf.adoc) + * llvm/BinaryFormat/ELF.h - ELF constants and structures + * + * Copyright (c) 1996-1998 John D. Polstra. All rights reserved. + * Copyright (c) 2001 David E. O'Brien + * Portions Copyright 2009 The Go Authors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +package elf + +import "strconv" + +/* + * Constants + */ + +// Indexes into the Header.Ident array. +const ( + EI_CLASS = 4 /* Class of machine. */ + EI_DATA = 5 /* Data format. */ + EI_VERSION = 6 /* ELF format version. */ + EI_OSABI = 7 /* Operating system / ABI identification */ + EI_ABIVERSION = 8 /* ABI version */ + EI_PAD = 9 /* Start of padding (per SVR4 ABI). */ + EI_NIDENT = 16 /* Size of e_ident array. */ +) + +// Initial magic number for ELF files. +const ELFMAG = "\177ELF" + +// Version is found in Header.Ident[EI_VERSION] and Header.Version. +type Version byte + +const ( + EV_NONE Version = 0 + EV_CURRENT Version = 1 +) + +var versionStrings = []intName{ + {0, "EV_NONE"}, + {1, "EV_CURRENT"}, +} + +func (i Version) String() string { return stringName(uint32(i), versionStrings, false) } +func (i Version) GoString() string { return stringName(uint32(i), versionStrings, true) } + +// Class is found in Header.Ident[EI_CLASS] and Header.Class. +type Class byte + +const ( + ELFCLASSNONE Class = 0 /* Unknown class. */ + ELFCLASS32 Class = 1 /* 32-bit architecture. */ + ELFCLASS64 Class = 2 /* 64-bit architecture. */ +) + +var classStrings = []intName{ + {0, "ELFCLASSNONE"}, + {1, "ELFCLASS32"}, + {2, "ELFCLASS64"}, +} + +func (i Class) String() string { return stringName(uint32(i), classStrings, false) } +func (i Class) GoString() string { return stringName(uint32(i), classStrings, true) } + +// Data is found in Header.Ident[EI_DATA] and Header.Data. +type Data byte + +const ( + ELFDATANONE Data = 0 /* Unknown data format. */ + ELFDATA2LSB Data = 1 /* 2's complement little-endian. */ + ELFDATA2MSB Data = 2 /* 2's complement big-endian. */ +) + +var dataStrings = []intName{ + {0, "ELFDATANONE"}, + {1, "ELFDATA2LSB"}, + {2, "ELFDATA2MSB"}, +} + +func (i Data) String() string { return stringName(uint32(i), dataStrings, false) } +func (i Data) GoString() string { return stringName(uint32(i), dataStrings, true) } + +// OSABI is found in Header.Ident[EI_OSABI] and Header.OSABI. +type OSABI byte + +const ( + ELFOSABI_NONE OSABI = 0 /* UNIX System V ABI */ + ELFOSABI_HPUX OSABI = 1 /* HP-UX operating system */ + ELFOSABI_NETBSD OSABI = 2 /* NetBSD */ + ELFOSABI_LINUX OSABI = 3 /* Linux */ + ELFOSABI_HURD OSABI = 4 /* Hurd */ + ELFOSABI_86OPEN OSABI = 5 /* 86Open common IA32 ABI */ + ELFOSABI_SOLARIS OSABI = 6 /* Solaris */ + ELFOSABI_AIX OSABI = 7 /* AIX */ + ELFOSABI_IRIX OSABI = 8 /* IRIX */ + ELFOSABI_FREEBSD OSABI = 9 /* FreeBSD */ + ELFOSABI_TRU64 OSABI = 10 /* TRU64 UNIX */ + ELFOSABI_MODESTO OSABI = 11 /* Novell Modesto */ + ELFOSABI_OPENBSD OSABI = 12 /* OpenBSD */ + ELFOSABI_OPENVMS OSABI = 13 /* Open VMS */ + ELFOSABI_NSK OSABI = 14 /* HP Non-Stop Kernel */ + ELFOSABI_AROS OSABI = 15 /* Amiga Research OS */ + ELFOSABI_FENIXOS OSABI = 16 /* The FenixOS highly scalable multi-core OS */ + ELFOSABI_CLOUDABI OSABI = 17 /* Nuxi CloudABI */ + ELFOSABI_ARM OSABI = 97 /* ARM */ + ELFOSABI_STANDALONE OSABI = 255 /* Standalone (embedded) application */ +) + +var osabiStrings = []intName{ + {0, "ELFOSABI_NONE"}, + {1, "ELFOSABI_HPUX"}, + {2, "ELFOSABI_NETBSD"}, + {3, "ELFOSABI_LINUX"}, + {4, "ELFOSABI_HURD"}, + {5, "ELFOSABI_86OPEN"}, + {6, "ELFOSABI_SOLARIS"}, + {7, "ELFOSABI_AIX"}, + {8, "ELFOSABI_IRIX"}, + {9, "ELFOSABI_FREEBSD"}, + {10, "ELFOSABI_TRU64"}, + {11, "ELFOSABI_MODESTO"}, + {12, "ELFOSABI_OPENBSD"}, + {13, "ELFOSABI_OPENVMS"}, + {14, "ELFOSABI_NSK"}, + {15, "ELFOSABI_AROS"}, + {16, "ELFOSABI_FENIXOS"}, + {17, "ELFOSABI_CLOUDABI"}, + {97, "ELFOSABI_ARM"}, + {255, "ELFOSABI_STANDALONE"}, +} + +func (i OSABI) String() string { return stringName(uint32(i), osabiStrings, false) } +func (i OSABI) GoString() string { return stringName(uint32(i), osabiStrings, true) } + +// Type is found in Header.Type. +type Type uint16 + +const ( + ET_NONE Type = 0 /* Unknown type. */ + ET_REL Type = 1 /* Relocatable. */ + ET_EXEC Type = 2 /* Executable. */ + ET_DYN Type = 3 /* Shared object. */ + ET_CORE Type = 4 /* Core file. */ + ET_LOOS Type = 0xfe00 /* First operating system specific. */ + ET_HIOS Type = 0xfeff /* Last operating system-specific. */ + ET_LOPROC Type = 0xff00 /* First processor-specific. */ + ET_HIPROC Type = 0xffff /* Last processor-specific. */ +) + +var typeStrings = []intName{ + {0, "ET_NONE"}, + {1, "ET_REL"}, + {2, "ET_EXEC"}, + {3, "ET_DYN"}, + {4, "ET_CORE"}, + {0xfe00, "ET_LOOS"}, + {0xfeff, "ET_HIOS"}, + {0xff00, "ET_LOPROC"}, + {0xffff, "ET_HIPROC"}, +} + +func (i Type) String() string { return stringName(uint32(i), typeStrings, false) } +func (i Type) GoString() string { return stringName(uint32(i), typeStrings, true) } + +// Machine is found in Header.Machine. +type Machine uint16 + +const ( + EM_NONE Machine = 0 /* Unknown machine. */ + EM_M32 Machine = 1 /* AT&T WE32100. */ + EM_SPARC Machine = 2 /* Sun SPARC. */ + EM_386 Machine = 3 /* Intel i386. */ + EM_68K Machine = 4 /* Motorola 68000. */ + EM_88K Machine = 5 /* Motorola 88000. */ + EM_860 Machine = 7 /* Intel i860. */ + EM_MIPS Machine = 8 /* MIPS R3000 Big-Endian only. */ + EM_S370 Machine = 9 /* IBM System/370. */ + EM_MIPS_RS3_LE Machine = 10 /* MIPS R3000 Little-Endian. */ + EM_PARISC Machine = 15 /* HP PA-RISC. */ + EM_VPP500 Machine = 17 /* Fujitsu VPP500. */ + EM_SPARC32PLUS Machine = 18 /* SPARC v8plus. */ + EM_960 Machine = 19 /* Intel 80960. */ + EM_PPC Machine = 20 /* PowerPC 32-bit. */ + EM_PPC64 Machine = 21 /* PowerPC 64-bit. */ + EM_S390 Machine = 22 /* IBM System/390. */ + EM_V800 Machine = 36 /* NEC V800. */ + EM_FR20 Machine = 37 /* Fujitsu FR20. */ + EM_RH32 Machine = 38 /* TRW RH-32. */ + EM_RCE Machine = 39 /* Motorola RCE. */ + EM_ARM Machine = 40 /* ARM. */ + EM_SH Machine = 42 /* Hitachi SH. */ + EM_SPARCV9 Machine = 43 /* SPARC v9 64-bit. */ + EM_TRICORE Machine = 44 /* Siemens TriCore embedded processor. */ + EM_ARC Machine = 45 /* Argonaut RISC Core. */ + EM_H8_300 Machine = 46 /* Hitachi H8/300. */ + EM_H8_300H Machine = 47 /* Hitachi H8/300H. */ + EM_H8S Machine = 48 /* Hitachi H8S. */ + EM_H8_500 Machine = 49 /* Hitachi H8/500. */ + EM_IA_64 Machine = 50 /* Intel IA-64 Processor. */ + EM_MIPS_X Machine = 51 /* Stanford MIPS-X. */ + EM_COLDFIRE Machine = 52 /* Motorola ColdFire. */ + EM_68HC12 Machine = 53 /* Motorola M68HC12. */ + EM_MMA Machine = 54 /* Fujitsu MMA. */ + EM_PCP Machine = 55 /* Siemens PCP. */ + EM_NCPU Machine = 56 /* Sony nCPU. */ + EM_NDR1 Machine = 57 /* Denso NDR1 microprocessor. */ + EM_STARCORE Machine = 58 /* Motorola Star*Core processor. */ + EM_ME16 Machine = 59 /* Toyota ME16 processor. */ + EM_ST100 Machine = 60 /* STMicroelectronics ST100 processor. */ + EM_TINYJ Machine = 61 /* Advanced Logic Corp. TinyJ processor. */ + EM_X86_64 Machine = 62 /* Advanced Micro Devices x86-64 */ + EM_PDSP Machine = 63 /* Sony DSP Processor */ + EM_PDP10 Machine = 64 /* Digital Equipment Corp. PDP-10 */ + EM_PDP11 Machine = 65 /* Digital Equipment Corp. PDP-11 */ + EM_FX66 Machine = 66 /* Siemens FX66 microcontroller */ + EM_ST9PLUS Machine = 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */ + EM_ST7 Machine = 68 /* STMicroelectronics ST7 8-bit microcontroller */ + EM_68HC16 Machine = 69 /* Motorola MC68HC16 Microcontroller */ + EM_68HC11 Machine = 70 /* Motorola MC68HC11 Microcontroller */ + EM_68HC08 Machine = 71 /* Motorola MC68HC08 Microcontroller */ + EM_68HC05 Machine = 72 /* Motorola MC68HC05 Microcontroller */ + EM_SVX Machine = 73 /* Silicon Graphics SVx */ + EM_ST19 Machine = 74 /* STMicroelectronics ST19 8-bit microcontroller */ + EM_VAX Machine = 75 /* Digital VAX */ + EM_CRIS Machine = 76 /* Axis Communications 32-bit embedded processor */ + EM_JAVELIN Machine = 77 /* Infineon Technologies 32-bit embedded processor */ + EM_FIREPATH Machine = 78 /* Element 14 64-bit DSP Processor */ + EM_ZSP Machine = 79 /* LSI Logic 16-bit DSP Processor */ + EM_MMIX Machine = 80 /* Donald Knuth's educational 64-bit processor */ + EM_HUANY Machine = 81 /* Harvard University machine-independent object files */ + EM_PRISM Machine = 82 /* SiTera Prism */ + EM_AVR Machine = 83 /* Atmel AVR 8-bit microcontroller */ + EM_FR30 Machine = 84 /* Fujitsu FR30 */ + EM_D10V Machine = 85 /* Mitsubishi D10V */ + EM_D30V Machine = 86 /* Mitsubishi D30V */ + EM_V850 Machine = 87 /* NEC v850 */ + EM_M32R Machine = 88 /* Mitsubishi M32R */ + EM_MN10300 Machine = 89 /* Matsushita MN10300 */ + EM_MN10200 Machine = 90 /* Matsushita MN10200 */ + EM_PJ Machine = 91 /* picoJava */ + EM_OPENRISC Machine = 92 /* OpenRISC 32-bit embedded processor */ + EM_ARC_COMPACT Machine = 93 /* ARC International ARCompact processor (old spelling/synonym: EM_ARC_A5) */ + EM_XTENSA Machine = 94 /* Tensilica Xtensa Architecture */ + EM_VIDEOCORE Machine = 95 /* Alphamosaic VideoCore processor */ + EM_TMM_GPP Machine = 96 /* Thompson Multimedia General Purpose Processor */ + EM_NS32K Machine = 97 /* National Semiconductor 32000 series */ + EM_TPC Machine = 98 /* Tenor Network TPC processor */ + EM_SNP1K Machine = 99 /* Trebia SNP 1000 processor */ + EM_ST200 Machine = 100 /* STMicroelectronics (www.st.com) ST200 microcontroller */ + EM_IP2K Machine = 101 /* Ubicom IP2xxx microcontroller family */ + EM_MAX Machine = 102 /* MAX Processor */ + EM_CR Machine = 103 /* National Semiconductor CompactRISC microprocessor */ + EM_F2MC16 Machine = 104 /* Fujitsu F2MC16 */ + EM_MSP430 Machine = 105 /* Texas Instruments embedded microcontroller msp430 */ + EM_BLACKFIN Machine = 106 /* Analog Devices Blackfin (DSP) processor */ + EM_SE_C33 Machine = 107 /* S1C33 Family of Seiko Epson processors */ + EM_SEP Machine = 108 /* Sharp embedded microprocessor */ + EM_ARCA Machine = 109 /* Arca RISC Microprocessor */ + EM_UNICORE Machine = 110 /* Microprocessor series from PKU-Unity Ltd. and MPRC of Peking University */ + EM_EXCESS Machine = 111 /* eXcess: 16/32/64-bit configurable embedded CPU */ + EM_DXP Machine = 112 /* Icera Semiconductor Inc. Deep Execution Processor */ + EM_ALTERA_NIOS2 Machine = 113 /* Altera Nios II soft-core processor */ + EM_CRX Machine = 114 /* National Semiconductor CompactRISC CRX microprocessor */ + EM_XGATE Machine = 115 /* Motorola XGATE embedded processor */ + EM_C166 Machine = 116 /* Infineon C16x/XC16x processor */ + EM_M16C Machine = 117 /* Renesas M16C series microprocessors */ + EM_DSPIC30F Machine = 118 /* Microchip Technology dsPIC30F Digital Signal Controller */ + EM_CE Machine = 119 /* Freescale Communication Engine RISC core */ + EM_M32C Machine = 120 /* Renesas M32C series microprocessors */ + EM_TSK3000 Machine = 131 /* Altium TSK3000 core */ + EM_RS08 Machine = 132 /* Freescale RS08 embedded processor */ + EM_SHARC Machine = 133 /* Analog Devices SHARC family of 32-bit DSP processors */ + EM_ECOG2 Machine = 134 /* Cyan Technology eCOG2 microprocessor */ + EM_SCORE7 Machine = 135 /* Sunplus S+core7 RISC processor */ + EM_DSP24 Machine = 136 /* New Japan Radio (NJR) 24-bit DSP Processor */ + EM_VIDEOCORE3 Machine = 137 /* Broadcom VideoCore III processor */ + EM_LATTICEMICO32 Machine = 138 /* RISC processor for Lattice FPGA architecture */ + EM_SE_C17 Machine = 139 /* Seiko Epson C17 family */ + EM_TI_C6000 Machine = 140 /* The Texas Instruments TMS320C6000 DSP family */ + EM_TI_C2000 Machine = 141 /* The Texas Instruments TMS320C2000 DSP family */ + EM_TI_C5500 Machine = 142 /* The Texas Instruments TMS320C55x DSP family */ + EM_TI_ARP32 Machine = 143 /* Texas Instruments Application Specific RISC Processor, 32bit fetch */ + EM_TI_PRU Machine = 144 /* Texas Instruments Programmable Realtime Unit */ + EM_MMDSP_PLUS Machine = 160 /* STMicroelectronics 64bit VLIW Data Signal Processor */ + EM_CYPRESS_M8C Machine = 161 /* Cypress M8C microprocessor */ + EM_R32C Machine = 162 /* Renesas R32C series microprocessors */ + EM_TRIMEDIA Machine = 163 /* NXP Semiconductors TriMedia architecture family */ + EM_QDSP6 Machine = 164 /* QUALCOMM DSP6 Processor */ + EM_8051 Machine = 165 /* Intel 8051 and variants */ + EM_STXP7X Machine = 166 /* STMicroelectronics STxP7x family of configurable and extensible RISC processors */ + EM_NDS32 Machine = 167 /* Andes Technology compact code size embedded RISC processor family */ + EM_ECOG1 Machine = 168 /* Cyan Technology eCOG1X family */ + EM_ECOG1X Machine = 168 /* Cyan Technology eCOG1X family */ + EM_MAXQ30 Machine = 169 /* Dallas Semiconductor MAXQ30 Core Micro-controllers */ + EM_XIMO16 Machine = 170 /* New Japan Radio (NJR) 16-bit DSP Processor */ + EM_MANIK Machine = 171 /* M2000 Reconfigurable RISC Microprocessor */ + EM_CRAYNV2 Machine = 172 /* Cray Inc. NV2 vector architecture */ + EM_RX Machine = 173 /* Renesas RX family */ + EM_METAG Machine = 174 /* Imagination Technologies META processor architecture */ + EM_MCST_ELBRUS Machine = 175 /* MCST Elbrus general purpose hardware architecture */ + EM_ECOG16 Machine = 176 /* Cyan Technology eCOG16 family */ + EM_CR16 Machine = 177 /* National Semiconductor CompactRISC CR16 16-bit microprocessor */ + EM_ETPU Machine = 178 /* Freescale Extended Time Processing Unit */ + EM_SLE9X Machine = 179 /* Infineon Technologies SLE9X core */ + EM_L10M Machine = 180 /* Intel L10M */ + EM_K10M Machine = 181 /* Intel K10M */ + EM_AARCH64 Machine = 183 /* ARM 64-bit Architecture (AArch64) */ + EM_AVR32 Machine = 185 /* Atmel Corporation 32-bit microprocessor family */ + EM_STM8 Machine = 186 /* STMicroeletronics STM8 8-bit microcontroller */ + EM_TILE64 Machine = 187 /* Tilera TILE64 multicore architecture family */ + EM_TILEPRO Machine = 188 /* Tilera TILEPro multicore architecture family */ + EM_MICROBLAZE Machine = 189 /* Xilinx MicroBlaze 32-bit RISC soft processor core */ + EM_CUDA Machine = 190 /* NVIDIA CUDA architecture */ + EM_TILEGX Machine = 191 /* Tilera TILE-Gx multicore architecture family */ + EM_CLOUDSHIELD Machine = 192 /* CloudShield architecture family */ + EM_COREA_1ST Machine = 193 /* KIPO-KAIST Core-A 1st generation processor family */ + EM_COREA_2ND Machine = 194 /* KIPO-KAIST Core-A 2nd generation processor family */ + EM_ARC_COMPACT2 Machine = 195 /* Synopsys ARCompact V2 */ + EM_OPEN8 Machine = 196 /* Open8 8-bit RISC soft processor core */ + EM_RL78 Machine = 197 /* Renesas RL78 family */ + EM_VIDEOCORE5 Machine = 198 /* Broadcom VideoCore V processor */ + EM_78KOR Machine = 199 /* Renesas 78KOR family */ + EM_56800EX Machine = 200 /* Freescale 56800EX Digital Signal Controller (DSC) */ + EM_BA1 Machine = 201 /* Beyond BA1 CPU architecture */ + EM_BA2 Machine = 202 /* Beyond BA2 CPU architecture */ + EM_XCORE Machine = 203 /* XMOS xCORE processor family */ + EM_MCHP_PIC Machine = 204 /* Microchip 8-bit PIC(r) family */ + EM_INTEL205 Machine = 205 /* Reserved by Intel */ + EM_INTEL206 Machine = 206 /* Reserved by Intel */ + EM_INTEL207 Machine = 207 /* Reserved by Intel */ + EM_INTEL208 Machine = 208 /* Reserved by Intel */ + EM_INTEL209 Machine = 209 /* Reserved by Intel */ + EM_KM32 Machine = 210 /* KM211 KM32 32-bit processor */ + EM_KMX32 Machine = 211 /* KM211 KMX32 32-bit processor */ + EM_KMX16 Machine = 212 /* KM211 KMX16 16-bit processor */ + EM_KMX8 Machine = 213 /* KM211 KMX8 8-bit processor */ + EM_KVARC Machine = 214 /* KM211 KVARC processor */ + EM_CDP Machine = 215 /* Paneve CDP architecture family */ + EM_COGE Machine = 216 /* Cognitive Smart Memory Processor */ + EM_COOL Machine = 217 /* Bluechip Systems CoolEngine */ + EM_NORC Machine = 218 /* Nanoradio Optimized RISC */ + EM_CSR_KALIMBA Machine = 219 /* CSR Kalimba architecture family */ + EM_Z80 Machine = 220 /* Zilog Z80 */ + EM_VISIUM Machine = 221 /* Controls and Data Services VISIUMcore processor */ + EM_FT32 Machine = 222 /* FTDI Chip FT32 high performance 32-bit RISC architecture */ + EM_MOXIE Machine = 223 /* Moxie processor family */ + EM_AMDGPU Machine = 224 /* AMD GPU architecture */ + EM_RISCV Machine = 243 /* RISC-V */ + EM_LANAI Machine = 244 /* Lanai 32-bit processor */ + EM_BPF Machine = 247 /* Linux BPF – in-kernel virtual machine */ + EM_LOONGARCH Machine = 258 /* LoongArch */ + + /* Non-standard or deprecated. */ + EM_486 Machine = 6 /* Intel i486. */ + EM_MIPS_RS4_BE Machine = 10 /* MIPS R4000 Big-Endian */ + EM_ALPHA_STD Machine = 41 /* Digital Alpha (standard value). */ + EM_ALPHA Machine = 0x9026 /* Alpha (written in the absence of an ABI) */ +) + +var machineStrings = []intName{ + {0, "EM_NONE"}, + {1, "EM_M32"}, + {2, "EM_SPARC"}, + {3, "EM_386"}, + {4, "EM_68K"}, + {5, "EM_88K"}, + {7, "EM_860"}, + {8, "EM_MIPS"}, + {9, "EM_S370"}, + {10, "EM_MIPS_RS3_LE"}, + {15, "EM_PARISC"}, + {17, "EM_VPP500"}, + {18, "EM_SPARC32PLUS"}, + {19, "EM_960"}, + {20, "EM_PPC"}, + {21, "EM_PPC64"}, + {22, "EM_S390"}, + {36, "EM_V800"}, + {37, "EM_FR20"}, + {38, "EM_RH32"}, + {39, "EM_RCE"}, + {40, "EM_ARM"}, + {42, "EM_SH"}, + {43, "EM_SPARCV9"}, + {44, "EM_TRICORE"}, + {45, "EM_ARC"}, + {46, "EM_H8_300"}, + {47, "EM_H8_300H"}, + {48, "EM_H8S"}, + {49, "EM_H8_500"}, + {50, "EM_IA_64"}, + {51, "EM_MIPS_X"}, + {52, "EM_COLDFIRE"}, + {53, "EM_68HC12"}, + {54, "EM_MMA"}, + {55, "EM_PCP"}, + {56, "EM_NCPU"}, + {57, "EM_NDR1"}, + {58, "EM_STARCORE"}, + {59, "EM_ME16"}, + {60, "EM_ST100"}, + {61, "EM_TINYJ"}, + {62, "EM_X86_64"}, + {63, "EM_PDSP"}, + {64, "EM_PDP10"}, + {65, "EM_PDP11"}, + {66, "EM_FX66"}, + {67, "EM_ST9PLUS"}, + {68, "EM_ST7"}, + {69, "EM_68HC16"}, + {70, "EM_68HC11"}, + {71, "EM_68HC08"}, + {72, "EM_68HC05"}, + {73, "EM_SVX"}, + {74, "EM_ST19"}, + {75, "EM_VAX"}, + {76, "EM_CRIS"}, + {77, "EM_JAVELIN"}, + {78, "EM_FIREPATH"}, + {79, "EM_ZSP"}, + {80, "EM_MMIX"}, + {81, "EM_HUANY"}, + {82, "EM_PRISM"}, + {83, "EM_AVR"}, + {84, "EM_FR30"}, + {85, "EM_D10V"}, + {86, "EM_D30V"}, + {87, "EM_V850"}, + {88, "EM_M32R"}, + {89, "EM_MN10300"}, + {90, "EM_MN10200"}, + {91, "EM_PJ"}, + {92, "EM_OPENRISC"}, + {93, "EM_ARC_COMPACT"}, + {94, "EM_XTENSA"}, + {95, "EM_VIDEOCORE"}, + {96, "EM_TMM_GPP"}, + {97, "EM_NS32K"}, + {98, "EM_TPC"}, + {99, "EM_SNP1K"}, + {100, "EM_ST200"}, + {101, "EM_IP2K"}, + {102, "EM_MAX"}, + {103, "EM_CR"}, + {104, "EM_F2MC16"}, + {105, "EM_MSP430"}, + {106, "EM_BLACKFIN"}, + {107, "EM_SE_C33"}, + {108, "EM_SEP"}, + {109, "EM_ARCA"}, + {110, "EM_UNICORE"}, + {111, "EM_EXCESS"}, + {112, "EM_DXP"}, + {113, "EM_ALTERA_NIOS2"}, + {114, "EM_CRX"}, + {115, "EM_XGATE"}, + {116, "EM_C166"}, + {117, "EM_M16C"}, + {118, "EM_DSPIC30F"}, + {119, "EM_CE"}, + {120, "EM_M32C"}, + {131, "EM_TSK3000"}, + {132, "EM_RS08"}, + {133, "EM_SHARC"}, + {134, "EM_ECOG2"}, + {135, "EM_SCORE7"}, + {136, "EM_DSP24"}, + {137, "EM_VIDEOCORE3"}, + {138, "EM_LATTICEMICO32"}, + {139, "EM_SE_C17"}, + {140, "EM_TI_C6000"}, + {141, "EM_TI_C2000"}, + {142, "EM_TI_C5500"}, + {143, "EM_TI_ARP32"}, + {144, "EM_TI_PRU"}, + {160, "EM_MMDSP_PLUS"}, + {161, "EM_CYPRESS_M8C"}, + {162, "EM_R32C"}, + {163, "EM_TRIMEDIA"}, + {164, "EM_QDSP6"}, + {165, "EM_8051"}, + {166, "EM_STXP7X"}, + {167, "EM_NDS32"}, + {168, "EM_ECOG1"}, + {168, "EM_ECOG1X"}, + {169, "EM_MAXQ30"}, + {170, "EM_XIMO16"}, + {171, "EM_MANIK"}, + {172, "EM_CRAYNV2"}, + {173, "EM_RX"}, + {174, "EM_METAG"}, + {175, "EM_MCST_ELBRUS"}, + {176, "EM_ECOG16"}, + {177, "EM_CR16"}, + {178, "EM_ETPU"}, + {179, "EM_SLE9X"}, + {180, "EM_L10M"}, + {181, "EM_K10M"}, + {183, "EM_AARCH64"}, + {185, "EM_AVR32"}, + {186, "EM_STM8"}, + {187, "EM_TILE64"}, + {188, "EM_TILEPRO"}, + {189, "EM_MICROBLAZE"}, + {190, "EM_CUDA"}, + {191, "EM_TILEGX"}, + {192, "EM_CLOUDSHIELD"}, + {193, "EM_COREA_1ST"}, + {194, "EM_COREA_2ND"}, + {195, "EM_ARC_COMPACT2"}, + {196, "EM_OPEN8"}, + {197, "EM_RL78"}, + {198, "EM_VIDEOCORE5"}, + {199, "EM_78KOR"}, + {200, "EM_56800EX"}, + {201, "EM_BA1"}, + {202, "EM_BA2"}, + {203, "EM_XCORE"}, + {204, "EM_MCHP_PIC"}, + {205, "EM_INTEL205"}, + {206, "EM_INTEL206"}, + {207, "EM_INTEL207"}, + {208, "EM_INTEL208"}, + {209, "EM_INTEL209"}, + {210, "EM_KM32"}, + {211, "EM_KMX32"}, + {212, "EM_KMX16"}, + {213, "EM_KMX8"}, + {214, "EM_KVARC"}, + {215, "EM_CDP"}, + {216, "EM_COGE"}, + {217, "EM_COOL"}, + {218, "EM_NORC"}, + {219, "EM_CSR_KALIMBA "}, + {220, "EM_Z80 "}, + {221, "EM_VISIUM "}, + {222, "EM_FT32 "}, + {223, "EM_MOXIE"}, + {224, "EM_AMDGPU"}, + {243, "EM_RISCV"}, + {244, "EM_LANAI"}, + {247, "EM_BPF"}, + {258, "EM_LOONGARCH"}, + + /* Non-standard or deprecated. */ + {6, "EM_486"}, + {10, "EM_MIPS_RS4_BE"}, + {41, "EM_ALPHA_STD"}, + {0x9026, "EM_ALPHA"}, +} + +func (i Machine) String() string { return stringName(uint32(i), machineStrings, false) } +func (i Machine) GoString() string { return stringName(uint32(i), machineStrings, true) } + +// Special section indices. +type SectionIndex int + +const ( + SHN_UNDEF SectionIndex = 0 /* Undefined, missing, irrelevant. */ + SHN_LORESERVE SectionIndex = 0xff00 /* First of reserved range. */ + SHN_LOPROC SectionIndex = 0xff00 /* First processor-specific. */ + SHN_HIPROC SectionIndex = 0xff1f /* Last processor-specific. */ + SHN_LOOS SectionIndex = 0xff20 /* First operating system-specific. */ + SHN_HIOS SectionIndex = 0xff3f /* Last operating system-specific. */ + SHN_ABS SectionIndex = 0xfff1 /* Absolute values. */ + SHN_COMMON SectionIndex = 0xfff2 /* Common data. */ + SHN_XINDEX SectionIndex = 0xffff /* Escape; index stored elsewhere. */ + SHN_HIRESERVE SectionIndex = 0xffff /* Last of reserved range. */ +) + +var shnStrings = []intName{ + {0, "SHN_UNDEF"}, + {0xff00, "SHN_LOPROC"}, + {0xff20, "SHN_LOOS"}, + {0xfff1, "SHN_ABS"}, + {0xfff2, "SHN_COMMON"}, + {0xffff, "SHN_XINDEX"}, +} + +func (i SectionIndex) String() string { return stringName(uint32(i), shnStrings, false) } +func (i SectionIndex) GoString() string { return stringName(uint32(i), shnStrings, true) } + +// Section type. +type SectionType uint32 + +const ( + SHT_NULL SectionType = 0 /* inactive */ + SHT_PROGBITS SectionType = 1 /* program defined information */ + SHT_SYMTAB SectionType = 2 /* symbol table section */ + SHT_STRTAB SectionType = 3 /* string table section */ + SHT_RELA SectionType = 4 /* relocation section with addends */ + SHT_HASH SectionType = 5 /* symbol hash table section */ + SHT_DYNAMIC SectionType = 6 /* dynamic section */ + SHT_NOTE SectionType = 7 /* note section */ + SHT_NOBITS SectionType = 8 /* no space section */ + SHT_REL SectionType = 9 /* relocation section - no addends */ + SHT_SHLIB SectionType = 10 /* reserved - purpose unknown */ + SHT_DYNSYM SectionType = 11 /* dynamic symbol table section */ + SHT_INIT_ARRAY SectionType = 14 /* Initialization function pointers. */ + SHT_FINI_ARRAY SectionType = 15 /* Termination function pointers. */ + SHT_PREINIT_ARRAY SectionType = 16 /* Pre-initialization function ptrs. */ + SHT_GROUP SectionType = 17 /* Section group. */ + SHT_SYMTAB_SHNDX SectionType = 18 /* Section indexes (see SHN_XINDEX). */ + SHT_LOOS SectionType = 0x60000000 /* First of OS specific semantics */ + SHT_GNU_ATTRIBUTES SectionType = 0x6ffffff5 /* GNU object attributes */ + SHT_GNU_HASH SectionType = 0x6ffffff6 /* GNU hash table */ + SHT_GNU_LIBLIST SectionType = 0x6ffffff7 /* GNU prelink library list */ + SHT_GNU_VERDEF SectionType = 0x6ffffffd /* GNU version definition section */ + SHT_GNU_VERNEED SectionType = 0x6ffffffe /* GNU version needs section */ + SHT_GNU_VERSYM SectionType = 0x6fffffff /* GNU version symbol table */ + SHT_HIOS SectionType = 0x6fffffff /* Last of OS specific semantics */ + SHT_LOPROC SectionType = 0x70000000 /* reserved range for processor */ + SHT_MIPS_ABIFLAGS SectionType = 0x7000002a /* .MIPS.abiflags */ + SHT_HIPROC SectionType = 0x7fffffff /* specific section header types */ + SHT_LOUSER SectionType = 0x80000000 /* reserved range for application */ + SHT_HIUSER SectionType = 0xffffffff /* specific indexes */ +) + +var shtStrings = []intName{ + {0, "SHT_NULL"}, + {1, "SHT_PROGBITS"}, + {2, "SHT_SYMTAB"}, + {3, "SHT_STRTAB"}, + {4, "SHT_RELA"}, + {5, "SHT_HASH"}, + {6, "SHT_DYNAMIC"}, + {7, "SHT_NOTE"}, + {8, "SHT_NOBITS"}, + {9, "SHT_REL"}, + {10, "SHT_SHLIB"}, + {11, "SHT_DYNSYM"}, + {14, "SHT_INIT_ARRAY"}, + {15, "SHT_FINI_ARRAY"}, + {16, "SHT_PREINIT_ARRAY"}, + {17, "SHT_GROUP"}, + {18, "SHT_SYMTAB_SHNDX"}, + {0x60000000, "SHT_LOOS"}, + {0x6ffffff5, "SHT_GNU_ATTRIBUTES"}, + {0x6ffffff6, "SHT_GNU_HASH"}, + {0x6ffffff7, "SHT_GNU_LIBLIST"}, + {0x6ffffffd, "SHT_GNU_VERDEF"}, + {0x6ffffffe, "SHT_GNU_VERNEED"}, + {0x6fffffff, "SHT_GNU_VERSYM"}, + {0x70000000, "SHT_LOPROC"}, + {0x7000002a, "SHT_MIPS_ABIFLAGS"}, + {0x7fffffff, "SHT_HIPROC"}, + {0x80000000, "SHT_LOUSER"}, + {0xffffffff, "SHT_HIUSER"}, +} + +func (i SectionType) String() string { return stringName(uint32(i), shtStrings, false) } +func (i SectionType) GoString() string { return stringName(uint32(i), shtStrings, true) } + +// Section flags. +type SectionFlag uint32 + +const ( + SHF_WRITE SectionFlag = 0x1 /* Section contains writable data. */ + SHF_ALLOC SectionFlag = 0x2 /* Section occupies memory. */ + SHF_EXECINSTR SectionFlag = 0x4 /* Section contains instructions. */ + SHF_MERGE SectionFlag = 0x10 /* Section may be merged. */ + SHF_STRINGS SectionFlag = 0x20 /* Section contains strings. */ + SHF_INFO_LINK SectionFlag = 0x40 /* sh_info holds section index. */ + SHF_LINK_ORDER SectionFlag = 0x80 /* Special ordering requirements. */ + SHF_OS_NONCONFORMING SectionFlag = 0x100 /* OS-specific processing required. */ + SHF_GROUP SectionFlag = 0x200 /* Member of section group. */ + SHF_TLS SectionFlag = 0x400 /* Section contains TLS data. */ + SHF_COMPRESSED SectionFlag = 0x800 /* Section is compressed. */ + SHF_MASKOS SectionFlag = 0x0ff00000 /* OS-specific semantics. */ + SHF_MASKPROC SectionFlag = 0xf0000000 /* Processor-specific semantics. */ +) + +var shfStrings = []intName{ + {0x1, "SHF_WRITE"}, + {0x2, "SHF_ALLOC"}, + {0x4, "SHF_EXECINSTR"}, + {0x10, "SHF_MERGE"}, + {0x20, "SHF_STRINGS"}, + {0x40, "SHF_INFO_LINK"}, + {0x80, "SHF_LINK_ORDER"}, + {0x100, "SHF_OS_NONCONFORMING"}, + {0x200, "SHF_GROUP"}, + {0x400, "SHF_TLS"}, + {0x800, "SHF_COMPRESSED"}, +} + +func (i SectionFlag) String() string { return flagName(uint32(i), shfStrings, false) } +func (i SectionFlag) GoString() string { return flagName(uint32(i), shfStrings, true) } + +// Section compression type. +type CompressionType int + +const ( + COMPRESS_ZLIB CompressionType = 1 /* ZLIB compression. */ + COMPRESS_ZSTD CompressionType = 2 /* ZSTD compression. */ + COMPRESS_LOOS CompressionType = 0x60000000 /* First OS-specific. */ + COMPRESS_HIOS CompressionType = 0x6fffffff /* Last OS-specific. */ + COMPRESS_LOPROC CompressionType = 0x70000000 /* First processor-specific type. */ + COMPRESS_HIPROC CompressionType = 0x7fffffff /* Last processor-specific type. */ +) + +var compressionStrings = []intName{ + {1, "COMPRESS_ZLIB"}, + {2, "COMPRESS_ZSTD"}, + {0x60000000, "COMPRESS_LOOS"}, + {0x6fffffff, "COMPRESS_HIOS"}, + {0x70000000, "COMPRESS_LOPROC"}, + {0x7fffffff, "COMPRESS_HIPROC"}, +} + +func (i CompressionType) String() string { return stringName(uint32(i), compressionStrings, false) } +func (i CompressionType) GoString() string { return stringName(uint32(i), compressionStrings, true) } + +// Prog.Type +type ProgType int + +const ( + PT_NULL ProgType = 0 /* Unused entry. */ + PT_LOAD ProgType = 1 /* Loadable segment. */ + PT_DYNAMIC ProgType = 2 /* Dynamic linking information segment. */ + PT_INTERP ProgType = 3 /* Pathname of interpreter. */ + PT_NOTE ProgType = 4 /* Auxiliary information. */ + PT_SHLIB ProgType = 5 /* Reserved (not used). */ + PT_PHDR ProgType = 6 /* Location of program header itself. */ + PT_TLS ProgType = 7 /* Thread local storage segment */ + + PT_LOOS ProgType = 0x60000000 /* First OS-specific. */ + + PT_GNU_EH_FRAME ProgType = 0x6474e550 /* Frame unwind information */ + PT_GNU_STACK ProgType = 0x6474e551 /* Stack flags */ + PT_GNU_RELRO ProgType = 0x6474e552 /* Read only after relocs */ + PT_GNU_PROPERTY ProgType = 0x6474e553 /* GNU property */ + PT_GNU_MBIND_LO ProgType = 0x6474e555 /* Mbind segments start */ + PT_GNU_MBIND_HI ProgType = 0x6474f554 /* Mbind segments finish */ + + PT_PAX_FLAGS ProgType = 0x65041580 /* PAX flags */ + + PT_OPENBSD_RANDOMIZE ProgType = 0x65a3dbe6 /* Random data */ + PT_OPENBSD_WXNEEDED ProgType = 0x65a3dbe7 /* W^X violations */ + PT_OPENBSD_BOOTDATA ProgType = 0x65a41be6 /* Boot arguments */ + + PT_SUNW_EH_FRAME ProgType = 0x6474e550 /* Frame unwind information */ + PT_SUNWSTACK ProgType = 0x6ffffffb /* Stack segment */ + + PT_HIOS ProgType = 0x6fffffff /* Last OS-specific. */ + + PT_LOPROC ProgType = 0x70000000 /* First processor-specific type. */ + + PT_ARM_ARCHEXT ProgType = 0x70000000 /* Architecture compatibility */ + PT_ARM_EXIDX ProgType = 0x70000001 /* Exception unwind tables */ + + PT_AARCH64_ARCHEXT ProgType = 0x70000000 /* Architecture compatibility */ + PT_AARCH64_UNWIND ProgType = 0x70000001 /* Exception unwind tables */ + + PT_MIPS_REGINFO ProgType = 0x70000000 /* Register usage */ + PT_MIPS_RTPROC ProgType = 0x70000001 /* Runtime procedures */ + PT_MIPS_OPTIONS ProgType = 0x70000002 /* Options */ + PT_MIPS_ABIFLAGS ProgType = 0x70000003 /* ABI flags */ + + PT_S390_PGSTE ProgType = 0x70000000 /* 4k page table size */ + + PT_HIPROC ProgType = 0x7fffffff /* Last processor-specific type. */ +) + +var ptStrings = []intName{ + {0, "PT_NULL"}, + {1, "PT_LOAD"}, + {2, "PT_DYNAMIC"}, + {3, "PT_INTERP"}, + {4, "PT_NOTE"}, + {5, "PT_SHLIB"}, + {6, "PT_PHDR"}, + {7, "PT_TLS"}, + {0x60000000, "PT_LOOS"}, + {0x6474e550, "PT_GNU_EH_FRAME"}, + {0x6474e551, "PT_GNU_STACK"}, + {0x6474e552, "PT_GNU_RELRO"}, + {0x6474e553, "PT_GNU_PROPERTY"}, + {0x65041580, "PT_PAX_FLAGS"}, + {0x65a3dbe6, "PT_OPENBSD_RANDOMIZE"}, + {0x65a3dbe7, "PT_OPENBSD_WXNEEDED"}, + {0x65a41be6, "PT_OPENBSD_BOOTDATA"}, + {0x6ffffffb, "PT_SUNWSTACK"}, + {0x6fffffff, "PT_HIOS"}, + {0x70000000, "PT_LOPROC"}, + // We don't list the processor-dependent ProgTypes, + // as the values overlap. + {0x7fffffff, "PT_HIPROC"}, +} + +func (i ProgType) String() string { return stringName(uint32(i), ptStrings, false) } +func (i ProgType) GoString() string { return stringName(uint32(i), ptStrings, true) } + +// Prog.Flag +type ProgFlag uint32 + +const ( + PF_X ProgFlag = 0x1 /* Executable. */ + PF_W ProgFlag = 0x2 /* Writable. */ + PF_R ProgFlag = 0x4 /* Readable. */ + PF_MASKOS ProgFlag = 0x0ff00000 /* Operating system-specific. */ + PF_MASKPROC ProgFlag = 0xf0000000 /* Processor-specific. */ +) + +var pfStrings = []intName{ + {0x1, "PF_X"}, + {0x2, "PF_W"}, + {0x4, "PF_R"}, +} + +func (i ProgFlag) String() string { return flagName(uint32(i), pfStrings, false) } +func (i ProgFlag) GoString() string { return flagName(uint32(i), pfStrings, true) } + +// Dyn.Tag +type DynTag int + +const ( + DT_NULL DynTag = 0 /* Terminating entry. */ + DT_NEEDED DynTag = 1 /* String table offset of a needed shared library. */ + DT_PLTRELSZ DynTag = 2 /* Total size in bytes of PLT relocations. */ + DT_PLTGOT DynTag = 3 /* Processor-dependent address. */ + DT_HASH DynTag = 4 /* Address of symbol hash table. */ + DT_STRTAB DynTag = 5 /* Address of string table. */ + DT_SYMTAB DynTag = 6 /* Address of symbol table. */ + DT_RELA DynTag = 7 /* Address of ElfNN_Rela relocations. */ + DT_RELASZ DynTag = 8 /* Total size of ElfNN_Rela relocations. */ + DT_RELAENT DynTag = 9 /* Size of each ElfNN_Rela relocation entry. */ + DT_STRSZ DynTag = 10 /* Size of string table. */ + DT_SYMENT DynTag = 11 /* Size of each symbol table entry. */ + DT_INIT DynTag = 12 /* Address of initialization function. */ + DT_FINI DynTag = 13 /* Address of finalization function. */ + DT_SONAME DynTag = 14 /* String table offset of shared object name. */ + DT_RPATH DynTag = 15 /* String table offset of library path. [sup] */ + DT_SYMBOLIC DynTag = 16 /* Indicates "symbolic" linking. [sup] */ + DT_REL DynTag = 17 /* Address of ElfNN_Rel relocations. */ + DT_RELSZ DynTag = 18 /* Total size of ElfNN_Rel relocations. */ + DT_RELENT DynTag = 19 /* Size of each ElfNN_Rel relocation. */ + DT_PLTREL DynTag = 20 /* Type of relocation used for PLT. */ + DT_DEBUG DynTag = 21 /* Reserved (not used). */ + DT_TEXTREL DynTag = 22 /* Indicates there may be relocations in non-writable segments. [sup] */ + DT_JMPREL DynTag = 23 /* Address of PLT relocations. */ + DT_BIND_NOW DynTag = 24 /* [sup] */ + DT_INIT_ARRAY DynTag = 25 /* Address of the array of pointers to initialization functions */ + DT_FINI_ARRAY DynTag = 26 /* Address of the array of pointers to termination functions */ + DT_INIT_ARRAYSZ DynTag = 27 /* Size in bytes of the array of initialization functions. */ + DT_FINI_ARRAYSZ DynTag = 28 /* Size in bytes of the array of termination functions. */ + DT_RUNPATH DynTag = 29 /* String table offset of a null-terminated library search path string. */ + DT_FLAGS DynTag = 30 /* Object specific flag values. */ + DT_ENCODING DynTag = 32 /* Values greater than or equal to DT_ENCODING + and less than DT_LOOS follow the rules for + the interpretation of the d_un union + as follows: even == 'd_ptr', even == 'd_val' + or none */ + DT_PREINIT_ARRAY DynTag = 32 /* Address of the array of pointers to pre-initialization functions. */ + DT_PREINIT_ARRAYSZ DynTag = 33 /* Size in bytes of the array of pre-initialization functions. */ + DT_SYMTAB_SHNDX DynTag = 34 /* Address of SHT_SYMTAB_SHNDX section. */ + + DT_LOOS DynTag = 0x6000000d /* First OS-specific */ + DT_HIOS DynTag = 0x6ffff000 /* Last OS-specific */ + + DT_VALRNGLO DynTag = 0x6ffffd00 + DT_GNU_PRELINKED DynTag = 0x6ffffdf5 + DT_GNU_CONFLICTSZ DynTag = 0x6ffffdf6 + DT_GNU_LIBLISTSZ DynTag = 0x6ffffdf7 + DT_CHECKSUM DynTag = 0x6ffffdf8 + DT_PLTPADSZ DynTag = 0x6ffffdf9 + DT_MOVEENT DynTag = 0x6ffffdfa + DT_MOVESZ DynTag = 0x6ffffdfb + DT_FEATURE DynTag = 0x6ffffdfc + DT_POSFLAG_1 DynTag = 0x6ffffdfd + DT_SYMINSZ DynTag = 0x6ffffdfe + DT_SYMINENT DynTag = 0x6ffffdff + DT_VALRNGHI DynTag = 0x6ffffdff + + DT_ADDRRNGLO DynTag = 0x6ffffe00 + DT_GNU_HASH DynTag = 0x6ffffef5 + DT_TLSDESC_PLT DynTag = 0x6ffffef6 + DT_TLSDESC_GOT DynTag = 0x6ffffef7 + DT_GNU_CONFLICT DynTag = 0x6ffffef8 + DT_GNU_LIBLIST DynTag = 0x6ffffef9 + DT_CONFIG DynTag = 0x6ffffefa + DT_DEPAUDIT DynTag = 0x6ffffefb + DT_AUDIT DynTag = 0x6ffffefc + DT_PLTPAD DynTag = 0x6ffffefd + DT_MOVETAB DynTag = 0x6ffffefe + DT_SYMINFO DynTag = 0x6ffffeff + DT_ADDRRNGHI DynTag = 0x6ffffeff + + DT_VERSYM DynTag = 0x6ffffff0 + DT_RELACOUNT DynTag = 0x6ffffff9 + DT_RELCOUNT DynTag = 0x6ffffffa + DT_FLAGS_1 DynTag = 0x6ffffffb + DT_VERDEF DynTag = 0x6ffffffc + DT_VERDEFNUM DynTag = 0x6ffffffd + DT_VERNEED DynTag = 0x6ffffffe + DT_VERNEEDNUM DynTag = 0x6fffffff + + DT_LOPROC DynTag = 0x70000000 /* First processor-specific type. */ + + DT_MIPS_RLD_VERSION DynTag = 0x70000001 + DT_MIPS_TIME_STAMP DynTag = 0x70000002 + DT_MIPS_ICHECKSUM DynTag = 0x70000003 + DT_MIPS_IVERSION DynTag = 0x70000004 + DT_MIPS_FLAGS DynTag = 0x70000005 + DT_MIPS_BASE_ADDRESS DynTag = 0x70000006 + DT_MIPS_MSYM DynTag = 0x70000007 + DT_MIPS_CONFLICT DynTag = 0x70000008 + DT_MIPS_LIBLIST DynTag = 0x70000009 + DT_MIPS_LOCAL_GOTNO DynTag = 0x7000000a + DT_MIPS_CONFLICTNO DynTag = 0x7000000b + DT_MIPS_LIBLISTNO DynTag = 0x70000010 + DT_MIPS_SYMTABNO DynTag = 0x70000011 + DT_MIPS_UNREFEXTNO DynTag = 0x70000012 + DT_MIPS_GOTSYM DynTag = 0x70000013 + DT_MIPS_HIPAGENO DynTag = 0x70000014 + DT_MIPS_RLD_MAP DynTag = 0x70000016 + DT_MIPS_DELTA_CLASS DynTag = 0x70000017 + DT_MIPS_DELTA_CLASS_NO DynTag = 0x70000018 + DT_MIPS_DELTA_INSTANCE DynTag = 0x70000019 + DT_MIPS_DELTA_INSTANCE_NO DynTag = 0x7000001a + DT_MIPS_DELTA_RELOC DynTag = 0x7000001b + DT_MIPS_DELTA_RELOC_NO DynTag = 0x7000001c + DT_MIPS_DELTA_SYM DynTag = 0x7000001d + DT_MIPS_DELTA_SYM_NO DynTag = 0x7000001e + DT_MIPS_DELTA_CLASSSYM DynTag = 0x70000020 + DT_MIPS_DELTA_CLASSSYM_NO DynTag = 0x70000021 + DT_MIPS_CXX_FLAGS DynTag = 0x70000022 + DT_MIPS_PIXIE_INIT DynTag = 0x70000023 + DT_MIPS_SYMBOL_LIB DynTag = 0x70000024 + DT_MIPS_LOCALPAGE_GOTIDX DynTag = 0x70000025 + DT_MIPS_LOCAL_GOTIDX DynTag = 0x70000026 + DT_MIPS_HIDDEN_GOTIDX DynTag = 0x70000027 + DT_MIPS_PROTECTED_GOTIDX DynTag = 0x70000028 + DT_MIPS_OPTIONS DynTag = 0x70000029 + DT_MIPS_INTERFACE DynTag = 0x7000002a + DT_MIPS_DYNSTR_ALIGN DynTag = 0x7000002b + DT_MIPS_INTERFACE_SIZE DynTag = 0x7000002c + DT_MIPS_RLD_TEXT_RESOLVE_ADDR DynTag = 0x7000002d + DT_MIPS_PERF_SUFFIX DynTag = 0x7000002e + DT_MIPS_COMPACT_SIZE DynTag = 0x7000002f + DT_MIPS_GP_VALUE DynTag = 0x70000030 + DT_MIPS_AUX_DYNAMIC DynTag = 0x70000031 + DT_MIPS_PLTGOT DynTag = 0x70000032 + DT_MIPS_RWPLT DynTag = 0x70000034 + DT_MIPS_RLD_MAP_REL DynTag = 0x70000035 + + DT_PPC_GOT DynTag = 0x70000000 + DT_PPC_OPT DynTag = 0x70000001 + + DT_PPC64_GLINK DynTag = 0x70000000 + DT_PPC64_OPD DynTag = 0x70000001 + DT_PPC64_OPDSZ DynTag = 0x70000002 + DT_PPC64_OPT DynTag = 0x70000003 + + DT_SPARC_REGISTER DynTag = 0x70000001 + + DT_AUXILIARY DynTag = 0x7ffffffd + DT_USED DynTag = 0x7ffffffe + DT_FILTER DynTag = 0x7fffffff + + DT_HIPROC DynTag = 0x7fffffff /* Last processor-specific type. */ +) + +var dtStrings = []intName{ + {0, "DT_NULL"}, + {1, "DT_NEEDED"}, + {2, "DT_PLTRELSZ"}, + {3, "DT_PLTGOT"}, + {4, "DT_HASH"}, + {5, "DT_STRTAB"}, + {6, "DT_SYMTAB"}, + {7, "DT_RELA"}, + {8, "DT_RELASZ"}, + {9, "DT_RELAENT"}, + {10, "DT_STRSZ"}, + {11, "DT_SYMENT"}, + {12, "DT_INIT"}, + {13, "DT_FINI"}, + {14, "DT_SONAME"}, + {15, "DT_RPATH"}, + {16, "DT_SYMBOLIC"}, + {17, "DT_REL"}, + {18, "DT_RELSZ"}, + {19, "DT_RELENT"}, + {20, "DT_PLTREL"}, + {21, "DT_DEBUG"}, + {22, "DT_TEXTREL"}, + {23, "DT_JMPREL"}, + {24, "DT_BIND_NOW"}, + {25, "DT_INIT_ARRAY"}, + {26, "DT_FINI_ARRAY"}, + {27, "DT_INIT_ARRAYSZ"}, + {28, "DT_FINI_ARRAYSZ"}, + {29, "DT_RUNPATH"}, + {30, "DT_FLAGS"}, + {32, "DT_ENCODING"}, + {32, "DT_PREINIT_ARRAY"}, + {33, "DT_PREINIT_ARRAYSZ"}, + {34, "DT_SYMTAB_SHNDX"}, + {0x6000000d, "DT_LOOS"}, + {0x6ffff000, "DT_HIOS"}, + {0x6ffffd00, "DT_VALRNGLO"}, + {0x6ffffdf5, "DT_GNU_PRELINKED"}, + {0x6ffffdf6, "DT_GNU_CONFLICTSZ"}, + {0x6ffffdf7, "DT_GNU_LIBLISTSZ"}, + {0x6ffffdf8, "DT_CHECKSUM"}, + {0x6ffffdf9, "DT_PLTPADSZ"}, + {0x6ffffdfa, "DT_MOVEENT"}, + {0x6ffffdfb, "DT_MOVESZ"}, + {0x6ffffdfc, "DT_FEATURE"}, + {0x6ffffdfd, "DT_POSFLAG_1"}, + {0x6ffffdfe, "DT_SYMINSZ"}, + {0x6ffffdff, "DT_SYMINENT"}, + {0x6ffffdff, "DT_VALRNGHI"}, + {0x6ffffe00, "DT_ADDRRNGLO"}, + {0x6ffffef5, "DT_GNU_HASH"}, + {0x6ffffef6, "DT_TLSDESC_PLT"}, + {0x6ffffef7, "DT_TLSDESC_GOT"}, + {0x6ffffef8, "DT_GNU_CONFLICT"}, + {0x6ffffef9, "DT_GNU_LIBLIST"}, + {0x6ffffefa, "DT_CONFIG"}, + {0x6ffffefb, "DT_DEPAUDIT"}, + {0x6ffffefc, "DT_AUDIT"}, + {0x6ffffefd, "DT_PLTPAD"}, + {0x6ffffefe, "DT_MOVETAB"}, + {0x6ffffeff, "DT_SYMINFO"}, + {0x6ffffeff, "DT_ADDRRNGHI"}, + {0x6ffffff0, "DT_VERSYM"}, + {0x6ffffff9, "DT_RELACOUNT"}, + {0x6ffffffa, "DT_RELCOUNT"}, + {0x6ffffffb, "DT_FLAGS_1"}, + {0x6ffffffc, "DT_VERDEF"}, + {0x6ffffffd, "DT_VERDEFNUM"}, + {0x6ffffffe, "DT_VERNEED"}, + {0x6fffffff, "DT_VERNEEDNUM"}, + {0x70000000, "DT_LOPROC"}, + // We don't list the processor-dependent DynTags, + // as the values overlap. + {0x7ffffffd, "DT_AUXILIARY"}, + {0x7ffffffe, "DT_USED"}, + {0x7fffffff, "DT_FILTER"}, +} + +func (i DynTag) String() string { return stringName(uint32(i), dtStrings, false) } +func (i DynTag) GoString() string { return stringName(uint32(i), dtStrings, true) } + +// DT_FLAGS values. +type DynFlag int + +const ( + DF_ORIGIN DynFlag = 0x0001 /* Indicates that the object being loaded may + make reference to the + $ORIGIN substitution string */ + DF_SYMBOLIC DynFlag = 0x0002 /* Indicates "symbolic" linking. */ + DF_TEXTREL DynFlag = 0x0004 /* Indicates there may be relocations in non-writable segments. */ + DF_BIND_NOW DynFlag = 0x0008 /* Indicates that the dynamic linker should + process all relocations for the object + containing this entry before transferring + control to the program. */ + DF_STATIC_TLS DynFlag = 0x0010 /* Indicates that the shared object or + executable contains code using a static + thread-local storage scheme. */ +) + +var dflagStrings = []intName{ + {0x0001, "DF_ORIGIN"}, + {0x0002, "DF_SYMBOLIC"}, + {0x0004, "DF_TEXTREL"}, + {0x0008, "DF_BIND_NOW"}, + {0x0010, "DF_STATIC_TLS"}, +} + +func (i DynFlag) String() string { return flagName(uint32(i), dflagStrings, false) } +func (i DynFlag) GoString() string { return flagName(uint32(i), dflagStrings, true) } + +// DT_FLAGS_1 values. +type DynFlag1 uint32 + +const ( + // Indicates that all relocations for this object must be processed before + // returning control to the program. + DF_1_NOW DynFlag1 = 0x00000001 + // Unused. + DF_1_GLOBAL DynFlag1 = 0x00000002 + // Indicates that the object is a member of a group. + DF_1_GROUP DynFlag1 = 0x00000004 + // Indicates that the object cannot be deleted from a process. + DF_1_NODELETE DynFlag1 = 0x00000008 + // Meaningful only for filters. Indicates that all associated filtees be + // processed immediately. + DF_1_LOADFLTR DynFlag1 = 0x00000010 + // Indicates that this object's initialization section be run before any other + // objects loaded. + DF_1_INITFIRST DynFlag1 = 0x00000020 + // Indicates that the object cannot be added to a running process with dlopen. + DF_1_NOOPEN DynFlag1 = 0x00000040 + // Indicates the object requires $ORIGIN processing. + DF_1_ORIGIN DynFlag1 = 0x00000080 + // Indicates that the object should use direct binding information. + DF_1_DIRECT DynFlag1 = 0x00000100 + // Unused. + DF_1_TRANS DynFlag1 = 0x00000200 + // Indicates that the objects symbol table is to interpose before all symbols + // except the primary load object, which is typically the executable. + DF_1_INTERPOSE DynFlag1 = 0x00000400 + // Indicates that the search for dependencies of this object ignores any + // default library search paths. + DF_1_NODEFLIB DynFlag1 = 0x00000800 + // Indicates that this object is not dumped by dldump. Candidates are objects + // with no relocations that might get included when generating alternative + // objects using. + DF_1_NODUMP DynFlag1 = 0x00001000 + // Identifies this object as a configuration alternative object generated by + // crle. Triggers the runtime linker to search for a configuration file $ORIGIN/ld.config.app-name. + DF_1_CONFALT DynFlag1 = 0x00002000 + // Meaningful only for filtees. Terminates a filters search for any + // further filtees. + DF_1_ENDFILTEE DynFlag1 = 0x00004000 + // Indicates that this object has displacement relocations applied. + DF_1_DISPRELDNE DynFlag1 = 0x00008000 + // Indicates that this object has displacement relocations pending. + DF_1_DISPRELPND DynFlag1 = 0x00010000 + // Indicates that this object contains symbols that cannot be directly + // bound to. + DF_1_NODIRECT DynFlag1 = 0x00020000 + // Reserved for internal use by the kernel runtime-linker. + DF_1_IGNMULDEF DynFlag1 = 0x00040000 + // Reserved for internal use by the kernel runtime-linker. + DF_1_NOKSYMS DynFlag1 = 0x00080000 + // Reserved for internal use by the kernel runtime-linker. + DF_1_NOHDR DynFlag1 = 0x00100000 + // Indicates that this object has been edited or has been modified since the + // objects original construction by the link-editor. + DF_1_EDITED DynFlag1 = 0x00200000 + // Reserved for internal use by the kernel runtime-linker. + DF_1_NORELOC DynFlag1 = 0x00400000 + // Indicates that the object contains individual symbols that should interpose + // before all symbols except the primary load object, which is typically the + // executable. + DF_1_SYMINTPOSE DynFlag1 = 0x00800000 + // Indicates that the executable requires global auditing. + DF_1_GLOBAUDIT DynFlag1 = 0x01000000 + // Indicates that the object defines, or makes reference to singleton symbols. + DF_1_SINGLETON DynFlag1 = 0x02000000 + // Indicates that the object is a stub. + DF_1_STUB DynFlag1 = 0x04000000 + // Indicates that the object is a position-independent executable. + DF_1_PIE DynFlag1 = 0x08000000 + // Indicates that the object is a kernel module. + DF_1_KMOD DynFlag1 = 0x10000000 + // Indicates that the object is a weak standard filter. + DF_1_WEAKFILTER DynFlag1 = 0x20000000 + // Unused. + DF_1_NOCOMMON DynFlag1 = 0x40000000 +) + +var dflag1Strings = []intName{ + {0x00000001, "DF_1_NOW"}, + {0x00000002, "DF_1_GLOBAL"}, + {0x00000004, "DF_1_GROUP"}, + {0x00000008, "DF_1_NODELETE"}, + {0x00000010, "DF_1_LOADFLTR"}, + {0x00000020, "DF_1_INITFIRST"}, + {0x00000040, "DF_1_NOOPEN"}, + {0x00000080, "DF_1_ORIGIN"}, + {0x00000100, "DF_1_DIRECT"}, + {0x00000200, "DF_1_TRANS"}, + {0x00000400, "DF_1_INTERPOSE"}, + {0x00000800, "DF_1_NODEFLIB"}, + {0x00001000, "DF_1_NODUMP"}, + {0x00002000, "DF_1_CONFALT"}, + {0x00004000, "DF_1_ENDFILTEE"}, + {0x00008000, "DF_1_DISPRELDNE"}, + {0x00010000, "DF_1_DISPRELPND"}, + {0x00020000, "DF_1_NODIRECT"}, + {0x00040000, "DF_1_IGNMULDEF"}, + {0x00080000, "DF_1_NOKSYMS"}, + {0x00100000, "DF_1_NOHDR"}, + {0x00200000, "DF_1_EDITED"}, + {0x00400000, "DF_1_NORELOC"}, + {0x00800000, "DF_1_SYMINTPOSE"}, + {0x01000000, "DF_1_GLOBAUDIT"}, + {0x02000000, "DF_1_SINGLETON"}, + {0x04000000, "DF_1_STUB"}, + {0x08000000, "DF_1_PIE"}, + {0x10000000, "DF_1_KMOD"}, + {0x20000000, "DF_1_WEAKFILTER"}, + {0x40000000, "DF_1_NOCOMMON"}, +} + +func (i DynFlag1) String() string { return flagName(uint32(i), dflag1Strings, false) } +func (i DynFlag1) GoString() string { return flagName(uint32(i), dflag1Strings, true) } + +// NType values; used in core files. +type NType int + +const ( + NT_PRSTATUS NType = 1 /* Process status. */ + NT_FPREGSET NType = 2 /* Floating point registers. */ + NT_PRPSINFO NType = 3 /* Process state info. */ +) + +var ntypeStrings = []intName{ + {1, "NT_PRSTATUS"}, + {2, "NT_FPREGSET"}, + {3, "NT_PRPSINFO"}, +} + +func (i NType) String() string { return stringName(uint32(i), ntypeStrings, false) } +func (i NType) GoString() string { return stringName(uint32(i), ntypeStrings, true) } + +/* Symbol Binding - ELFNN_ST_BIND - st_info */ +type SymBind int + +const ( + STB_LOCAL SymBind = 0 /* Local symbol */ + STB_GLOBAL SymBind = 1 /* Global symbol */ + STB_WEAK SymBind = 2 /* like global - lower precedence */ + STB_LOOS SymBind = 10 /* Reserved range for operating system */ + STB_HIOS SymBind = 12 /* specific semantics. */ + STB_LOPROC SymBind = 13 /* reserved range for processor */ + STB_HIPROC SymBind = 15 /* specific semantics. */ +) + +var stbStrings = []intName{ + {0, "STB_LOCAL"}, + {1, "STB_GLOBAL"}, + {2, "STB_WEAK"}, + {10, "STB_LOOS"}, + {12, "STB_HIOS"}, + {13, "STB_LOPROC"}, + {15, "STB_HIPROC"}, +} + +func (i SymBind) String() string { return stringName(uint32(i), stbStrings, false) } +func (i SymBind) GoString() string { return stringName(uint32(i), stbStrings, true) } + +/* Symbol type - ELFNN_ST_TYPE - st_info */ +type SymType int + +const ( + STT_NOTYPE SymType = 0 /* Unspecified type. */ + STT_OBJECT SymType = 1 /* Data object. */ + STT_FUNC SymType = 2 /* Function. */ + STT_SECTION SymType = 3 /* Section. */ + STT_FILE SymType = 4 /* Source file. */ + STT_COMMON SymType = 5 /* Uninitialized common block. */ + STT_TLS SymType = 6 /* TLS object. */ + STT_LOOS SymType = 10 /* Reserved range for operating system */ + STT_HIOS SymType = 12 /* specific semantics. */ + STT_LOPROC SymType = 13 /* reserved range for processor */ + STT_HIPROC SymType = 15 /* specific semantics. */ +) + +var sttStrings = []intName{ + {0, "STT_NOTYPE"}, + {1, "STT_OBJECT"}, + {2, "STT_FUNC"}, + {3, "STT_SECTION"}, + {4, "STT_FILE"}, + {5, "STT_COMMON"}, + {6, "STT_TLS"}, + {10, "STT_LOOS"}, + {12, "STT_HIOS"}, + {13, "STT_LOPROC"}, + {15, "STT_HIPROC"}, +} + +func (i SymType) String() string { return stringName(uint32(i), sttStrings, false) } +func (i SymType) GoString() string { return stringName(uint32(i), sttStrings, true) } + +/* Symbol visibility - ELFNN_ST_VISIBILITY - st_other */ +type SymVis int + +const ( + STV_DEFAULT SymVis = 0x0 /* Default visibility (see binding). */ + STV_INTERNAL SymVis = 0x1 /* Special meaning in relocatable objects. */ + STV_HIDDEN SymVis = 0x2 /* Not visible. */ + STV_PROTECTED SymVis = 0x3 /* Visible but not preemptible. */ +) + +var stvStrings = []intName{ + {0x0, "STV_DEFAULT"}, + {0x1, "STV_INTERNAL"}, + {0x2, "STV_HIDDEN"}, + {0x3, "STV_PROTECTED"}, +} + +func (i SymVis) String() string { return stringName(uint32(i), stvStrings, false) } +func (i SymVis) GoString() string { return stringName(uint32(i), stvStrings, true) } + +/* + * Relocation types. + */ + +// Relocation types for x86-64. +type R_X86_64 int + +const ( + R_X86_64_NONE R_X86_64 = 0 /* No relocation. */ + R_X86_64_64 R_X86_64 = 1 /* Add 64 bit symbol value. */ + R_X86_64_PC32 R_X86_64 = 2 /* PC-relative 32 bit signed sym value. */ + R_X86_64_GOT32 R_X86_64 = 3 /* PC-relative 32 bit GOT offset. */ + R_X86_64_PLT32 R_X86_64 = 4 /* PC-relative 32 bit PLT offset. */ + R_X86_64_COPY R_X86_64 = 5 /* Copy data from shared object. */ + R_X86_64_GLOB_DAT R_X86_64 = 6 /* Set GOT entry to data address. */ + R_X86_64_JMP_SLOT R_X86_64 = 7 /* Set GOT entry to code address. */ + R_X86_64_RELATIVE R_X86_64 = 8 /* Add load address of shared object. */ + R_X86_64_GOTPCREL R_X86_64 = 9 /* Add 32 bit signed pcrel offset to GOT. */ + R_X86_64_32 R_X86_64 = 10 /* Add 32 bit zero extended symbol value */ + R_X86_64_32S R_X86_64 = 11 /* Add 32 bit sign extended symbol value */ + R_X86_64_16 R_X86_64 = 12 /* Add 16 bit zero extended symbol value */ + R_X86_64_PC16 R_X86_64 = 13 /* Add 16 bit signed extended pc relative symbol value */ + R_X86_64_8 R_X86_64 = 14 /* Add 8 bit zero extended symbol value */ + R_X86_64_PC8 R_X86_64 = 15 /* Add 8 bit signed extended pc relative symbol value */ + R_X86_64_DTPMOD64 R_X86_64 = 16 /* ID of module containing symbol */ + R_X86_64_DTPOFF64 R_X86_64 = 17 /* Offset in TLS block */ + R_X86_64_TPOFF64 R_X86_64 = 18 /* Offset in static TLS block */ + R_X86_64_TLSGD R_X86_64 = 19 /* PC relative offset to GD GOT entry */ + R_X86_64_TLSLD R_X86_64 = 20 /* PC relative offset to LD GOT entry */ + R_X86_64_DTPOFF32 R_X86_64 = 21 /* Offset in TLS block */ + R_X86_64_GOTTPOFF R_X86_64 = 22 /* PC relative offset to IE GOT entry */ + R_X86_64_TPOFF32 R_X86_64 = 23 /* Offset in static TLS block */ + R_X86_64_PC64 R_X86_64 = 24 /* PC relative 64-bit sign extended symbol value. */ + R_X86_64_GOTOFF64 R_X86_64 = 25 + R_X86_64_GOTPC32 R_X86_64 = 26 + R_X86_64_GOT64 R_X86_64 = 27 + R_X86_64_GOTPCREL64 R_X86_64 = 28 + R_X86_64_GOTPC64 R_X86_64 = 29 + R_X86_64_GOTPLT64 R_X86_64 = 30 + R_X86_64_PLTOFF64 R_X86_64 = 31 + R_X86_64_SIZE32 R_X86_64 = 32 + R_X86_64_SIZE64 R_X86_64 = 33 + R_X86_64_GOTPC32_TLSDESC R_X86_64 = 34 + R_X86_64_TLSDESC_CALL R_X86_64 = 35 + R_X86_64_TLSDESC R_X86_64 = 36 + R_X86_64_IRELATIVE R_X86_64 = 37 + R_X86_64_RELATIVE64 R_X86_64 = 38 + R_X86_64_PC32_BND R_X86_64 = 39 + R_X86_64_PLT32_BND R_X86_64 = 40 + R_X86_64_GOTPCRELX R_X86_64 = 41 + R_X86_64_REX_GOTPCRELX R_X86_64 = 42 +) + +var rx86_64Strings = []intName{ + {0, "R_X86_64_NONE"}, + {1, "R_X86_64_64"}, + {2, "R_X86_64_PC32"}, + {3, "R_X86_64_GOT32"}, + {4, "R_X86_64_PLT32"}, + {5, "R_X86_64_COPY"}, + {6, "R_X86_64_GLOB_DAT"}, + {7, "R_X86_64_JMP_SLOT"}, + {8, "R_X86_64_RELATIVE"}, + {9, "R_X86_64_GOTPCREL"}, + {10, "R_X86_64_32"}, + {11, "R_X86_64_32S"}, + {12, "R_X86_64_16"}, + {13, "R_X86_64_PC16"}, + {14, "R_X86_64_8"}, + {15, "R_X86_64_PC8"}, + {16, "R_X86_64_DTPMOD64"}, + {17, "R_X86_64_DTPOFF64"}, + {18, "R_X86_64_TPOFF64"}, + {19, "R_X86_64_TLSGD"}, + {20, "R_X86_64_TLSLD"}, + {21, "R_X86_64_DTPOFF32"}, + {22, "R_X86_64_GOTTPOFF"}, + {23, "R_X86_64_TPOFF32"}, + {24, "R_X86_64_PC64"}, + {25, "R_X86_64_GOTOFF64"}, + {26, "R_X86_64_GOTPC32"}, + {27, "R_X86_64_GOT64"}, + {28, "R_X86_64_GOTPCREL64"}, + {29, "R_X86_64_GOTPC64"}, + {30, "R_X86_64_GOTPLT64"}, + {31, "R_X86_64_PLTOFF64"}, + {32, "R_X86_64_SIZE32"}, + {33, "R_X86_64_SIZE64"}, + {34, "R_X86_64_GOTPC32_TLSDESC"}, + {35, "R_X86_64_TLSDESC_CALL"}, + {36, "R_X86_64_TLSDESC"}, + {37, "R_X86_64_IRELATIVE"}, + {38, "R_X86_64_RELATIVE64"}, + {39, "R_X86_64_PC32_BND"}, + {40, "R_X86_64_PLT32_BND"}, + {41, "R_X86_64_GOTPCRELX"}, + {42, "R_X86_64_REX_GOTPCRELX"}, +} + +func (i R_X86_64) String() string { return stringName(uint32(i), rx86_64Strings, false) } +func (i R_X86_64) GoString() string { return stringName(uint32(i), rx86_64Strings, true) } + +// Relocation types for AArch64 (aka arm64) +type R_AARCH64 int + +const ( + R_AARCH64_NONE R_AARCH64 = 0 + R_AARCH64_P32_ABS32 R_AARCH64 = 1 + R_AARCH64_P32_ABS16 R_AARCH64 = 2 + R_AARCH64_P32_PREL32 R_AARCH64 = 3 + R_AARCH64_P32_PREL16 R_AARCH64 = 4 + R_AARCH64_P32_MOVW_UABS_G0 R_AARCH64 = 5 + R_AARCH64_P32_MOVW_UABS_G0_NC R_AARCH64 = 6 + R_AARCH64_P32_MOVW_UABS_G1 R_AARCH64 = 7 + R_AARCH64_P32_MOVW_SABS_G0 R_AARCH64 = 8 + R_AARCH64_P32_LD_PREL_LO19 R_AARCH64 = 9 + R_AARCH64_P32_ADR_PREL_LO21 R_AARCH64 = 10 + R_AARCH64_P32_ADR_PREL_PG_HI21 R_AARCH64 = 11 + R_AARCH64_P32_ADD_ABS_LO12_NC R_AARCH64 = 12 + R_AARCH64_P32_LDST8_ABS_LO12_NC R_AARCH64 = 13 + R_AARCH64_P32_LDST16_ABS_LO12_NC R_AARCH64 = 14 + R_AARCH64_P32_LDST32_ABS_LO12_NC R_AARCH64 = 15 + R_AARCH64_P32_LDST64_ABS_LO12_NC R_AARCH64 = 16 + R_AARCH64_P32_LDST128_ABS_LO12_NC R_AARCH64 = 17 + R_AARCH64_P32_TSTBR14 R_AARCH64 = 18 + R_AARCH64_P32_CONDBR19 R_AARCH64 = 19 + R_AARCH64_P32_JUMP26 R_AARCH64 = 20 + R_AARCH64_P32_CALL26 R_AARCH64 = 21 + R_AARCH64_P32_GOT_LD_PREL19 R_AARCH64 = 25 + R_AARCH64_P32_ADR_GOT_PAGE R_AARCH64 = 26 + R_AARCH64_P32_LD32_GOT_LO12_NC R_AARCH64 = 27 + R_AARCH64_P32_TLSGD_ADR_PAGE21 R_AARCH64 = 81 + R_AARCH64_P32_TLSGD_ADD_LO12_NC R_AARCH64 = 82 + R_AARCH64_P32_TLSIE_ADR_GOTTPREL_PAGE21 R_AARCH64 = 103 + R_AARCH64_P32_TLSIE_LD32_GOTTPREL_LO12_NC R_AARCH64 = 104 + R_AARCH64_P32_TLSIE_LD_GOTTPREL_PREL19 R_AARCH64 = 105 + R_AARCH64_P32_TLSLE_MOVW_TPREL_G1 R_AARCH64 = 106 + R_AARCH64_P32_TLSLE_MOVW_TPREL_G0 R_AARCH64 = 107 + R_AARCH64_P32_TLSLE_MOVW_TPREL_G0_NC R_AARCH64 = 108 + R_AARCH64_P32_TLSLE_ADD_TPREL_HI12 R_AARCH64 = 109 + R_AARCH64_P32_TLSLE_ADD_TPREL_LO12 R_AARCH64 = 110 + R_AARCH64_P32_TLSLE_ADD_TPREL_LO12_NC R_AARCH64 = 111 + R_AARCH64_P32_TLSDESC_LD_PREL19 R_AARCH64 = 122 + R_AARCH64_P32_TLSDESC_ADR_PREL21 R_AARCH64 = 123 + R_AARCH64_P32_TLSDESC_ADR_PAGE21 R_AARCH64 = 124 + R_AARCH64_P32_TLSDESC_LD32_LO12_NC R_AARCH64 = 125 + R_AARCH64_P32_TLSDESC_ADD_LO12_NC R_AARCH64 = 126 + R_AARCH64_P32_TLSDESC_CALL R_AARCH64 = 127 + R_AARCH64_P32_COPY R_AARCH64 = 180 + R_AARCH64_P32_GLOB_DAT R_AARCH64 = 181 + R_AARCH64_P32_JUMP_SLOT R_AARCH64 = 182 + R_AARCH64_P32_RELATIVE R_AARCH64 = 183 + R_AARCH64_P32_TLS_DTPMOD R_AARCH64 = 184 + R_AARCH64_P32_TLS_DTPREL R_AARCH64 = 185 + R_AARCH64_P32_TLS_TPREL R_AARCH64 = 186 + R_AARCH64_P32_TLSDESC R_AARCH64 = 187 + R_AARCH64_P32_IRELATIVE R_AARCH64 = 188 + R_AARCH64_NULL R_AARCH64 = 256 + R_AARCH64_ABS64 R_AARCH64 = 257 + R_AARCH64_ABS32 R_AARCH64 = 258 + R_AARCH64_ABS16 R_AARCH64 = 259 + R_AARCH64_PREL64 R_AARCH64 = 260 + R_AARCH64_PREL32 R_AARCH64 = 261 + R_AARCH64_PREL16 R_AARCH64 = 262 + R_AARCH64_MOVW_UABS_G0 R_AARCH64 = 263 + R_AARCH64_MOVW_UABS_G0_NC R_AARCH64 = 264 + R_AARCH64_MOVW_UABS_G1 R_AARCH64 = 265 + R_AARCH64_MOVW_UABS_G1_NC R_AARCH64 = 266 + R_AARCH64_MOVW_UABS_G2 R_AARCH64 = 267 + R_AARCH64_MOVW_UABS_G2_NC R_AARCH64 = 268 + R_AARCH64_MOVW_UABS_G3 R_AARCH64 = 269 + R_AARCH64_MOVW_SABS_G0 R_AARCH64 = 270 + R_AARCH64_MOVW_SABS_G1 R_AARCH64 = 271 + R_AARCH64_MOVW_SABS_G2 R_AARCH64 = 272 + R_AARCH64_LD_PREL_LO19 R_AARCH64 = 273 + R_AARCH64_ADR_PREL_LO21 R_AARCH64 = 274 + R_AARCH64_ADR_PREL_PG_HI21 R_AARCH64 = 275 + R_AARCH64_ADR_PREL_PG_HI21_NC R_AARCH64 = 276 + R_AARCH64_ADD_ABS_LO12_NC R_AARCH64 = 277 + R_AARCH64_LDST8_ABS_LO12_NC R_AARCH64 = 278 + R_AARCH64_TSTBR14 R_AARCH64 = 279 + R_AARCH64_CONDBR19 R_AARCH64 = 280 + R_AARCH64_JUMP26 R_AARCH64 = 282 + R_AARCH64_CALL26 R_AARCH64 = 283 + R_AARCH64_LDST16_ABS_LO12_NC R_AARCH64 = 284 + R_AARCH64_LDST32_ABS_LO12_NC R_AARCH64 = 285 + R_AARCH64_LDST64_ABS_LO12_NC R_AARCH64 = 286 + R_AARCH64_LDST128_ABS_LO12_NC R_AARCH64 = 299 + R_AARCH64_GOT_LD_PREL19 R_AARCH64 = 309 + R_AARCH64_LD64_GOTOFF_LO15 R_AARCH64 = 310 + R_AARCH64_ADR_GOT_PAGE R_AARCH64 = 311 + R_AARCH64_LD64_GOT_LO12_NC R_AARCH64 = 312 + R_AARCH64_LD64_GOTPAGE_LO15 R_AARCH64 = 313 + R_AARCH64_TLSGD_ADR_PREL21 R_AARCH64 = 512 + R_AARCH64_TLSGD_ADR_PAGE21 R_AARCH64 = 513 + R_AARCH64_TLSGD_ADD_LO12_NC R_AARCH64 = 514 + R_AARCH64_TLSGD_MOVW_G1 R_AARCH64 = 515 + R_AARCH64_TLSGD_MOVW_G0_NC R_AARCH64 = 516 + R_AARCH64_TLSLD_ADR_PREL21 R_AARCH64 = 517 + R_AARCH64_TLSLD_ADR_PAGE21 R_AARCH64 = 518 + R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 R_AARCH64 = 539 + R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC R_AARCH64 = 540 + R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 R_AARCH64 = 541 + R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC R_AARCH64 = 542 + R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 R_AARCH64 = 543 + R_AARCH64_TLSLE_MOVW_TPREL_G2 R_AARCH64 = 544 + R_AARCH64_TLSLE_MOVW_TPREL_G1 R_AARCH64 = 545 + R_AARCH64_TLSLE_MOVW_TPREL_G1_NC R_AARCH64 = 546 + R_AARCH64_TLSLE_MOVW_TPREL_G0 R_AARCH64 = 547 + R_AARCH64_TLSLE_MOVW_TPREL_G0_NC R_AARCH64 = 548 + R_AARCH64_TLSLE_ADD_TPREL_HI12 R_AARCH64 = 549 + R_AARCH64_TLSLE_ADD_TPREL_LO12 R_AARCH64 = 550 + R_AARCH64_TLSLE_ADD_TPREL_LO12_NC R_AARCH64 = 551 + R_AARCH64_TLSDESC_LD_PREL19 R_AARCH64 = 560 + R_AARCH64_TLSDESC_ADR_PREL21 R_AARCH64 = 561 + R_AARCH64_TLSDESC_ADR_PAGE21 R_AARCH64 = 562 + R_AARCH64_TLSDESC_LD64_LO12_NC R_AARCH64 = 563 + R_AARCH64_TLSDESC_ADD_LO12_NC R_AARCH64 = 564 + R_AARCH64_TLSDESC_OFF_G1 R_AARCH64 = 565 + R_AARCH64_TLSDESC_OFF_G0_NC R_AARCH64 = 566 + R_AARCH64_TLSDESC_LDR R_AARCH64 = 567 + R_AARCH64_TLSDESC_ADD R_AARCH64 = 568 + R_AARCH64_TLSDESC_CALL R_AARCH64 = 569 + R_AARCH64_TLSLE_LDST128_TPREL_LO12 R_AARCH64 = 570 + R_AARCH64_TLSLE_LDST128_TPREL_LO12_NC R_AARCH64 = 571 + R_AARCH64_TLSLD_LDST128_DTPREL_LO12 R_AARCH64 = 572 + R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC R_AARCH64 = 573 + R_AARCH64_COPY R_AARCH64 = 1024 + R_AARCH64_GLOB_DAT R_AARCH64 = 1025 + R_AARCH64_JUMP_SLOT R_AARCH64 = 1026 + R_AARCH64_RELATIVE R_AARCH64 = 1027 + R_AARCH64_TLS_DTPMOD64 R_AARCH64 = 1028 + R_AARCH64_TLS_DTPREL64 R_AARCH64 = 1029 + R_AARCH64_TLS_TPREL64 R_AARCH64 = 1030 + R_AARCH64_TLSDESC R_AARCH64 = 1031 + R_AARCH64_IRELATIVE R_AARCH64 = 1032 +) + +var raarch64Strings = []intName{ + {0, "R_AARCH64_NONE"}, + {1, "R_AARCH64_P32_ABS32"}, + {2, "R_AARCH64_P32_ABS16"}, + {3, "R_AARCH64_P32_PREL32"}, + {4, "R_AARCH64_P32_PREL16"}, + {5, "R_AARCH64_P32_MOVW_UABS_G0"}, + {6, "R_AARCH64_P32_MOVW_UABS_G0_NC"}, + {7, "R_AARCH64_P32_MOVW_UABS_G1"}, + {8, "R_AARCH64_P32_MOVW_SABS_G0"}, + {9, "R_AARCH64_P32_LD_PREL_LO19"}, + {10, "R_AARCH64_P32_ADR_PREL_LO21"}, + {11, "R_AARCH64_P32_ADR_PREL_PG_HI21"}, + {12, "R_AARCH64_P32_ADD_ABS_LO12_NC"}, + {13, "R_AARCH64_P32_LDST8_ABS_LO12_NC"}, + {14, "R_AARCH64_P32_LDST16_ABS_LO12_NC"}, + {15, "R_AARCH64_P32_LDST32_ABS_LO12_NC"}, + {16, "R_AARCH64_P32_LDST64_ABS_LO12_NC"}, + {17, "R_AARCH64_P32_LDST128_ABS_LO12_NC"}, + {18, "R_AARCH64_P32_TSTBR14"}, + {19, "R_AARCH64_P32_CONDBR19"}, + {20, "R_AARCH64_P32_JUMP26"}, + {21, "R_AARCH64_P32_CALL26"}, + {25, "R_AARCH64_P32_GOT_LD_PREL19"}, + {26, "R_AARCH64_P32_ADR_GOT_PAGE"}, + {27, "R_AARCH64_P32_LD32_GOT_LO12_NC"}, + {81, "R_AARCH64_P32_TLSGD_ADR_PAGE21"}, + {82, "R_AARCH64_P32_TLSGD_ADD_LO12_NC"}, + {103, "R_AARCH64_P32_TLSIE_ADR_GOTTPREL_PAGE21"}, + {104, "R_AARCH64_P32_TLSIE_LD32_GOTTPREL_LO12_NC"}, + {105, "R_AARCH64_P32_TLSIE_LD_GOTTPREL_PREL19"}, + {106, "R_AARCH64_P32_TLSLE_MOVW_TPREL_G1"}, + {107, "R_AARCH64_P32_TLSLE_MOVW_TPREL_G0"}, + {108, "R_AARCH64_P32_TLSLE_MOVW_TPREL_G0_NC"}, + {109, "R_AARCH64_P32_TLSLE_ADD_TPREL_HI12"}, + {110, "R_AARCH64_P32_TLSLE_ADD_TPREL_LO12"}, + {111, "R_AARCH64_P32_TLSLE_ADD_TPREL_LO12_NC"}, + {122, "R_AARCH64_P32_TLSDESC_LD_PREL19"}, + {123, "R_AARCH64_P32_TLSDESC_ADR_PREL21"}, + {124, "R_AARCH64_P32_TLSDESC_ADR_PAGE21"}, + {125, "R_AARCH64_P32_TLSDESC_LD32_LO12_NC"}, + {126, "R_AARCH64_P32_TLSDESC_ADD_LO12_NC"}, + {127, "R_AARCH64_P32_TLSDESC_CALL"}, + {180, "R_AARCH64_P32_COPY"}, + {181, "R_AARCH64_P32_GLOB_DAT"}, + {182, "R_AARCH64_P32_JUMP_SLOT"}, + {183, "R_AARCH64_P32_RELATIVE"}, + {184, "R_AARCH64_P32_TLS_DTPMOD"}, + {185, "R_AARCH64_P32_TLS_DTPREL"}, + {186, "R_AARCH64_P32_TLS_TPREL"}, + {187, "R_AARCH64_P32_TLSDESC"}, + {188, "R_AARCH64_P32_IRELATIVE"}, + {256, "R_AARCH64_NULL"}, + {257, "R_AARCH64_ABS64"}, + {258, "R_AARCH64_ABS32"}, + {259, "R_AARCH64_ABS16"}, + {260, "R_AARCH64_PREL64"}, + {261, "R_AARCH64_PREL32"}, + {262, "R_AARCH64_PREL16"}, + {263, "R_AARCH64_MOVW_UABS_G0"}, + {264, "R_AARCH64_MOVW_UABS_G0_NC"}, + {265, "R_AARCH64_MOVW_UABS_G1"}, + {266, "R_AARCH64_MOVW_UABS_G1_NC"}, + {267, "R_AARCH64_MOVW_UABS_G2"}, + {268, "R_AARCH64_MOVW_UABS_G2_NC"}, + {269, "R_AARCH64_MOVW_UABS_G3"}, + {270, "R_AARCH64_MOVW_SABS_G0"}, + {271, "R_AARCH64_MOVW_SABS_G1"}, + {272, "R_AARCH64_MOVW_SABS_G2"}, + {273, "R_AARCH64_LD_PREL_LO19"}, + {274, "R_AARCH64_ADR_PREL_LO21"}, + {275, "R_AARCH64_ADR_PREL_PG_HI21"}, + {276, "R_AARCH64_ADR_PREL_PG_HI21_NC"}, + {277, "R_AARCH64_ADD_ABS_LO12_NC"}, + {278, "R_AARCH64_LDST8_ABS_LO12_NC"}, + {279, "R_AARCH64_TSTBR14"}, + {280, "R_AARCH64_CONDBR19"}, + {282, "R_AARCH64_JUMP26"}, + {283, "R_AARCH64_CALL26"}, + {284, "R_AARCH64_LDST16_ABS_LO12_NC"}, + {285, "R_AARCH64_LDST32_ABS_LO12_NC"}, + {286, "R_AARCH64_LDST64_ABS_LO12_NC"}, + {299, "R_AARCH64_LDST128_ABS_LO12_NC"}, + {309, "R_AARCH64_GOT_LD_PREL19"}, + {310, "R_AARCH64_LD64_GOTOFF_LO15"}, + {311, "R_AARCH64_ADR_GOT_PAGE"}, + {312, "R_AARCH64_LD64_GOT_LO12_NC"}, + {313, "R_AARCH64_LD64_GOTPAGE_LO15"}, + {512, "R_AARCH64_TLSGD_ADR_PREL21"}, + {513, "R_AARCH64_TLSGD_ADR_PAGE21"}, + {514, "R_AARCH64_TLSGD_ADD_LO12_NC"}, + {515, "R_AARCH64_TLSGD_MOVW_G1"}, + {516, "R_AARCH64_TLSGD_MOVW_G0_NC"}, + {517, "R_AARCH64_TLSLD_ADR_PREL21"}, + {518, "R_AARCH64_TLSLD_ADR_PAGE21"}, + {539, "R_AARCH64_TLSIE_MOVW_GOTTPREL_G1"}, + {540, "R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC"}, + {541, "R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21"}, + {542, "R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC"}, + {543, "R_AARCH64_TLSIE_LD_GOTTPREL_PREL19"}, + {544, "R_AARCH64_TLSLE_MOVW_TPREL_G2"}, + {545, "R_AARCH64_TLSLE_MOVW_TPREL_G1"}, + {546, "R_AARCH64_TLSLE_MOVW_TPREL_G1_NC"}, + {547, "R_AARCH64_TLSLE_MOVW_TPREL_G0"}, + {548, "R_AARCH64_TLSLE_MOVW_TPREL_G0_NC"}, + {549, "R_AARCH64_TLSLE_ADD_TPREL_HI12"}, + {550, "R_AARCH64_TLSLE_ADD_TPREL_LO12"}, + {551, "R_AARCH64_TLSLE_ADD_TPREL_LO12_NC"}, + {560, "R_AARCH64_TLSDESC_LD_PREL19"}, + {561, "R_AARCH64_TLSDESC_ADR_PREL21"}, + {562, "R_AARCH64_TLSDESC_ADR_PAGE21"}, + {563, "R_AARCH64_TLSDESC_LD64_LO12_NC"}, + {564, "R_AARCH64_TLSDESC_ADD_LO12_NC"}, + {565, "R_AARCH64_TLSDESC_OFF_G1"}, + {566, "R_AARCH64_TLSDESC_OFF_G0_NC"}, + {567, "R_AARCH64_TLSDESC_LDR"}, + {568, "R_AARCH64_TLSDESC_ADD"}, + {569, "R_AARCH64_TLSDESC_CALL"}, + {570, "R_AARCH64_TLSLE_LDST128_TPREL_LO12"}, + {571, "R_AARCH64_TLSLE_LDST128_TPREL_LO12_NC"}, + {572, "R_AARCH64_TLSLD_LDST128_DTPREL_LO12"}, + {573, "R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC"}, + {1024, "R_AARCH64_COPY"}, + {1025, "R_AARCH64_GLOB_DAT"}, + {1026, "R_AARCH64_JUMP_SLOT"}, + {1027, "R_AARCH64_RELATIVE"}, + {1028, "R_AARCH64_TLS_DTPMOD64"}, + {1029, "R_AARCH64_TLS_DTPREL64"}, + {1030, "R_AARCH64_TLS_TPREL64"}, + {1031, "R_AARCH64_TLSDESC"}, + {1032, "R_AARCH64_IRELATIVE"}, +} + +func (i R_AARCH64) String() string { return stringName(uint32(i), raarch64Strings, false) } +func (i R_AARCH64) GoString() string { return stringName(uint32(i), raarch64Strings, true) } + +// Relocation types for Alpha. +type R_ALPHA int + +const ( + R_ALPHA_NONE R_ALPHA = 0 /* No reloc */ + R_ALPHA_REFLONG R_ALPHA = 1 /* Direct 32 bit */ + R_ALPHA_REFQUAD R_ALPHA = 2 /* Direct 64 bit */ + R_ALPHA_GPREL32 R_ALPHA = 3 /* GP relative 32 bit */ + R_ALPHA_LITERAL R_ALPHA = 4 /* GP relative 16 bit w/optimization */ + R_ALPHA_LITUSE R_ALPHA = 5 /* Optimization hint for LITERAL */ + R_ALPHA_GPDISP R_ALPHA = 6 /* Add displacement to GP */ + R_ALPHA_BRADDR R_ALPHA = 7 /* PC+4 relative 23 bit shifted */ + R_ALPHA_HINT R_ALPHA = 8 /* PC+4 relative 16 bit shifted */ + R_ALPHA_SREL16 R_ALPHA = 9 /* PC relative 16 bit */ + R_ALPHA_SREL32 R_ALPHA = 10 /* PC relative 32 bit */ + R_ALPHA_SREL64 R_ALPHA = 11 /* PC relative 64 bit */ + R_ALPHA_OP_PUSH R_ALPHA = 12 /* OP stack push */ + R_ALPHA_OP_STORE R_ALPHA = 13 /* OP stack pop and store */ + R_ALPHA_OP_PSUB R_ALPHA = 14 /* OP stack subtract */ + R_ALPHA_OP_PRSHIFT R_ALPHA = 15 /* OP stack right shift */ + R_ALPHA_GPVALUE R_ALPHA = 16 + R_ALPHA_GPRELHIGH R_ALPHA = 17 + R_ALPHA_GPRELLOW R_ALPHA = 18 + R_ALPHA_IMMED_GP_16 R_ALPHA = 19 + R_ALPHA_IMMED_GP_HI32 R_ALPHA = 20 + R_ALPHA_IMMED_SCN_HI32 R_ALPHA = 21 + R_ALPHA_IMMED_BR_HI32 R_ALPHA = 22 + R_ALPHA_IMMED_LO32 R_ALPHA = 23 + R_ALPHA_COPY R_ALPHA = 24 /* Copy symbol at runtime */ + R_ALPHA_GLOB_DAT R_ALPHA = 25 /* Create GOT entry */ + R_ALPHA_JMP_SLOT R_ALPHA = 26 /* Create PLT entry */ + R_ALPHA_RELATIVE R_ALPHA = 27 /* Adjust by program base */ +) + +var ralphaStrings = []intName{ + {0, "R_ALPHA_NONE"}, + {1, "R_ALPHA_REFLONG"}, + {2, "R_ALPHA_REFQUAD"}, + {3, "R_ALPHA_GPREL32"}, + {4, "R_ALPHA_LITERAL"}, + {5, "R_ALPHA_LITUSE"}, + {6, "R_ALPHA_GPDISP"}, + {7, "R_ALPHA_BRADDR"}, + {8, "R_ALPHA_HINT"}, + {9, "R_ALPHA_SREL16"}, + {10, "R_ALPHA_SREL32"}, + {11, "R_ALPHA_SREL64"}, + {12, "R_ALPHA_OP_PUSH"}, + {13, "R_ALPHA_OP_STORE"}, + {14, "R_ALPHA_OP_PSUB"}, + {15, "R_ALPHA_OP_PRSHIFT"}, + {16, "R_ALPHA_GPVALUE"}, + {17, "R_ALPHA_GPRELHIGH"}, + {18, "R_ALPHA_GPRELLOW"}, + {19, "R_ALPHA_IMMED_GP_16"}, + {20, "R_ALPHA_IMMED_GP_HI32"}, + {21, "R_ALPHA_IMMED_SCN_HI32"}, + {22, "R_ALPHA_IMMED_BR_HI32"}, + {23, "R_ALPHA_IMMED_LO32"}, + {24, "R_ALPHA_COPY"}, + {25, "R_ALPHA_GLOB_DAT"}, + {26, "R_ALPHA_JMP_SLOT"}, + {27, "R_ALPHA_RELATIVE"}, +} + +func (i R_ALPHA) String() string { return stringName(uint32(i), ralphaStrings, false) } +func (i R_ALPHA) GoString() string { return stringName(uint32(i), ralphaStrings, true) } + +// Relocation types for ARM. +type R_ARM int + +const ( + R_ARM_NONE R_ARM = 0 /* No relocation. */ + R_ARM_PC24 R_ARM = 1 + R_ARM_ABS32 R_ARM = 2 + R_ARM_REL32 R_ARM = 3 + R_ARM_PC13 R_ARM = 4 + R_ARM_ABS16 R_ARM = 5 + R_ARM_ABS12 R_ARM = 6 + R_ARM_THM_ABS5 R_ARM = 7 + R_ARM_ABS8 R_ARM = 8 + R_ARM_SBREL32 R_ARM = 9 + R_ARM_THM_PC22 R_ARM = 10 + R_ARM_THM_PC8 R_ARM = 11 + R_ARM_AMP_VCALL9 R_ARM = 12 + R_ARM_SWI24 R_ARM = 13 + R_ARM_THM_SWI8 R_ARM = 14 + R_ARM_XPC25 R_ARM = 15 + R_ARM_THM_XPC22 R_ARM = 16 + R_ARM_TLS_DTPMOD32 R_ARM = 17 + R_ARM_TLS_DTPOFF32 R_ARM = 18 + R_ARM_TLS_TPOFF32 R_ARM = 19 + R_ARM_COPY R_ARM = 20 /* Copy data from shared object. */ + R_ARM_GLOB_DAT R_ARM = 21 /* Set GOT entry to data address. */ + R_ARM_JUMP_SLOT R_ARM = 22 /* Set GOT entry to code address. */ + R_ARM_RELATIVE R_ARM = 23 /* Add load address of shared object. */ + R_ARM_GOTOFF R_ARM = 24 /* Add GOT-relative symbol address. */ + R_ARM_GOTPC R_ARM = 25 /* Add PC-relative GOT table address. */ + R_ARM_GOT32 R_ARM = 26 /* Add PC-relative GOT offset. */ + R_ARM_PLT32 R_ARM = 27 /* Add PC-relative PLT offset. */ + R_ARM_CALL R_ARM = 28 + R_ARM_JUMP24 R_ARM = 29 + R_ARM_THM_JUMP24 R_ARM = 30 + R_ARM_BASE_ABS R_ARM = 31 + R_ARM_ALU_PCREL_7_0 R_ARM = 32 + R_ARM_ALU_PCREL_15_8 R_ARM = 33 + R_ARM_ALU_PCREL_23_15 R_ARM = 34 + R_ARM_LDR_SBREL_11_10_NC R_ARM = 35 + R_ARM_ALU_SBREL_19_12_NC R_ARM = 36 + R_ARM_ALU_SBREL_27_20_CK R_ARM = 37 + R_ARM_TARGET1 R_ARM = 38 + R_ARM_SBREL31 R_ARM = 39 + R_ARM_V4BX R_ARM = 40 + R_ARM_TARGET2 R_ARM = 41 + R_ARM_PREL31 R_ARM = 42 + R_ARM_MOVW_ABS_NC R_ARM = 43 + R_ARM_MOVT_ABS R_ARM = 44 + R_ARM_MOVW_PREL_NC R_ARM = 45 + R_ARM_MOVT_PREL R_ARM = 46 + R_ARM_THM_MOVW_ABS_NC R_ARM = 47 + R_ARM_THM_MOVT_ABS R_ARM = 48 + R_ARM_THM_MOVW_PREL_NC R_ARM = 49 + R_ARM_THM_MOVT_PREL R_ARM = 50 + R_ARM_THM_JUMP19 R_ARM = 51 + R_ARM_THM_JUMP6 R_ARM = 52 + R_ARM_THM_ALU_PREL_11_0 R_ARM = 53 + R_ARM_THM_PC12 R_ARM = 54 + R_ARM_ABS32_NOI R_ARM = 55 + R_ARM_REL32_NOI R_ARM = 56 + R_ARM_ALU_PC_G0_NC R_ARM = 57 + R_ARM_ALU_PC_G0 R_ARM = 58 + R_ARM_ALU_PC_G1_NC R_ARM = 59 + R_ARM_ALU_PC_G1 R_ARM = 60 + R_ARM_ALU_PC_G2 R_ARM = 61 + R_ARM_LDR_PC_G1 R_ARM = 62 + R_ARM_LDR_PC_G2 R_ARM = 63 + R_ARM_LDRS_PC_G0 R_ARM = 64 + R_ARM_LDRS_PC_G1 R_ARM = 65 + R_ARM_LDRS_PC_G2 R_ARM = 66 + R_ARM_LDC_PC_G0 R_ARM = 67 + R_ARM_LDC_PC_G1 R_ARM = 68 + R_ARM_LDC_PC_G2 R_ARM = 69 + R_ARM_ALU_SB_G0_NC R_ARM = 70 + R_ARM_ALU_SB_G0 R_ARM = 71 + R_ARM_ALU_SB_G1_NC R_ARM = 72 + R_ARM_ALU_SB_G1 R_ARM = 73 + R_ARM_ALU_SB_G2 R_ARM = 74 + R_ARM_LDR_SB_G0 R_ARM = 75 + R_ARM_LDR_SB_G1 R_ARM = 76 + R_ARM_LDR_SB_G2 R_ARM = 77 + R_ARM_LDRS_SB_G0 R_ARM = 78 + R_ARM_LDRS_SB_G1 R_ARM = 79 + R_ARM_LDRS_SB_G2 R_ARM = 80 + R_ARM_LDC_SB_G0 R_ARM = 81 + R_ARM_LDC_SB_G1 R_ARM = 82 + R_ARM_LDC_SB_G2 R_ARM = 83 + R_ARM_MOVW_BREL_NC R_ARM = 84 + R_ARM_MOVT_BREL R_ARM = 85 + R_ARM_MOVW_BREL R_ARM = 86 + R_ARM_THM_MOVW_BREL_NC R_ARM = 87 + R_ARM_THM_MOVT_BREL R_ARM = 88 + R_ARM_THM_MOVW_BREL R_ARM = 89 + R_ARM_TLS_GOTDESC R_ARM = 90 + R_ARM_TLS_CALL R_ARM = 91 + R_ARM_TLS_DESCSEQ R_ARM = 92 + R_ARM_THM_TLS_CALL R_ARM = 93 + R_ARM_PLT32_ABS R_ARM = 94 + R_ARM_GOT_ABS R_ARM = 95 + R_ARM_GOT_PREL R_ARM = 96 + R_ARM_GOT_BREL12 R_ARM = 97 + R_ARM_GOTOFF12 R_ARM = 98 + R_ARM_GOTRELAX R_ARM = 99 + R_ARM_GNU_VTENTRY R_ARM = 100 + R_ARM_GNU_VTINHERIT R_ARM = 101 + R_ARM_THM_JUMP11 R_ARM = 102 + R_ARM_THM_JUMP8 R_ARM = 103 + R_ARM_TLS_GD32 R_ARM = 104 + R_ARM_TLS_LDM32 R_ARM = 105 + R_ARM_TLS_LDO32 R_ARM = 106 + R_ARM_TLS_IE32 R_ARM = 107 + R_ARM_TLS_LE32 R_ARM = 108 + R_ARM_TLS_LDO12 R_ARM = 109 + R_ARM_TLS_LE12 R_ARM = 110 + R_ARM_TLS_IE12GP R_ARM = 111 + R_ARM_PRIVATE_0 R_ARM = 112 + R_ARM_PRIVATE_1 R_ARM = 113 + R_ARM_PRIVATE_2 R_ARM = 114 + R_ARM_PRIVATE_3 R_ARM = 115 + R_ARM_PRIVATE_4 R_ARM = 116 + R_ARM_PRIVATE_5 R_ARM = 117 + R_ARM_PRIVATE_6 R_ARM = 118 + R_ARM_PRIVATE_7 R_ARM = 119 + R_ARM_PRIVATE_8 R_ARM = 120 + R_ARM_PRIVATE_9 R_ARM = 121 + R_ARM_PRIVATE_10 R_ARM = 122 + R_ARM_PRIVATE_11 R_ARM = 123 + R_ARM_PRIVATE_12 R_ARM = 124 + R_ARM_PRIVATE_13 R_ARM = 125 + R_ARM_PRIVATE_14 R_ARM = 126 + R_ARM_PRIVATE_15 R_ARM = 127 + R_ARM_ME_TOO R_ARM = 128 + R_ARM_THM_TLS_DESCSEQ16 R_ARM = 129 + R_ARM_THM_TLS_DESCSEQ32 R_ARM = 130 + R_ARM_THM_GOT_BREL12 R_ARM = 131 + R_ARM_THM_ALU_ABS_G0_NC R_ARM = 132 + R_ARM_THM_ALU_ABS_G1_NC R_ARM = 133 + R_ARM_THM_ALU_ABS_G2_NC R_ARM = 134 + R_ARM_THM_ALU_ABS_G3 R_ARM = 135 + R_ARM_IRELATIVE R_ARM = 160 + R_ARM_RXPC25 R_ARM = 249 + R_ARM_RSBREL32 R_ARM = 250 + R_ARM_THM_RPC22 R_ARM = 251 + R_ARM_RREL32 R_ARM = 252 + R_ARM_RABS32 R_ARM = 253 + R_ARM_RPC24 R_ARM = 254 + R_ARM_RBASE R_ARM = 255 +) + +var rarmStrings = []intName{ + {0, "R_ARM_NONE"}, + {1, "R_ARM_PC24"}, + {2, "R_ARM_ABS32"}, + {3, "R_ARM_REL32"}, + {4, "R_ARM_PC13"}, + {5, "R_ARM_ABS16"}, + {6, "R_ARM_ABS12"}, + {7, "R_ARM_THM_ABS5"}, + {8, "R_ARM_ABS8"}, + {9, "R_ARM_SBREL32"}, + {10, "R_ARM_THM_PC22"}, + {11, "R_ARM_THM_PC8"}, + {12, "R_ARM_AMP_VCALL9"}, + {13, "R_ARM_SWI24"}, + {14, "R_ARM_THM_SWI8"}, + {15, "R_ARM_XPC25"}, + {16, "R_ARM_THM_XPC22"}, + {17, "R_ARM_TLS_DTPMOD32"}, + {18, "R_ARM_TLS_DTPOFF32"}, + {19, "R_ARM_TLS_TPOFF32"}, + {20, "R_ARM_COPY"}, + {21, "R_ARM_GLOB_DAT"}, + {22, "R_ARM_JUMP_SLOT"}, + {23, "R_ARM_RELATIVE"}, + {24, "R_ARM_GOTOFF"}, + {25, "R_ARM_GOTPC"}, + {26, "R_ARM_GOT32"}, + {27, "R_ARM_PLT32"}, + {28, "R_ARM_CALL"}, + {29, "R_ARM_JUMP24"}, + {30, "R_ARM_THM_JUMP24"}, + {31, "R_ARM_BASE_ABS"}, + {32, "R_ARM_ALU_PCREL_7_0"}, + {33, "R_ARM_ALU_PCREL_15_8"}, + {34, "R_ARM_ALU_PCREL_23_15"}, + {35, "R_ARM_LDR_SBREL_11_10_NC"}, + {36, "R_ARM_ALU_SBREL_19_12_NC"}, + {37, "R_ARM_ALU_SBREL_27_20_CK"}, + {38, "R_ARM_TARGET1"}, + {39, "R_ARM_SBREL31"}, + {40, "R_ARM_V4BX"}, + {41, "R_ARM_TARGET2"}, + {42, "R_ARM_PREL31"}, + {43, "R_ARM_MOVW_ABS_NC"}, + {44, "R_ARM_MOVT_ABS"}, + {45, "R_ARM_MOVW_PREL_NC"}, + {46, "R_ARM_MOVT_PREL"}, + {47, "R_ARM_THM_MOVW_ABS_NC"}, + {48, "R_ARM_THM_MOVT_ABS"}, + {49, "R_ARM_THM_MOVW_PREL_NC"}, + {50, "R_ARM_THM_MOVT_PREL"}, + {51, "R_ARM_THM_JUMP19"}, + {52, "R_ARM_THM_JUMP6"}, + {53, "R_ARM_THM_ALU_PREL_11_0"}, + {54, "R_ARM_THM_PC12"}, + {55, "R_ARM_ABS32_NOI"}, + {56, "R_ARM_REL32_NOI"}, + {57, "R_ARM_ALU_PC_G0_NC"}, + {58, "R_ARM_ALU_PC_G0"}, + {59, "R_ARM_ALU_PC_G1_NC"}, + {60, "R_ARM_ALU_PC_G1"}, + {61, "R_ARM_ALU_PC_G2"}, + {62, "R_ARM_LDR_PC_G1"}, + {63, "R_ARM_LDR_PC_G2"}, + {64, "R_ARM_LDRS_PC_G0"}, + {65, "R_ARM_LDRS_PC_G1"}, + {66, "R_ARM_LDRS_PC_G2"}, + {67, "R_ARM_LDC_PC_G0"}, + {68, "R_ARM_LDC_PC_G1"}, + {69, "R_ARM_LDC_PC_G2"}, + {70, "R_ARM_ALU_SB_G0_NC"}, + {71, "R_ARM_ALU_SB_G0"}, + {72, "R_ARM_ALU_SB_G1_NC"}, + {73, "R_ARM_ALU_SB_G1"}, + {74, "R_ARM_ALU_SB_G2"}, + {75, "R_ARM_LDR_SB_G0"}, + {76, "R_ARM_LDR_SB_G1"}, + {77, "R_ARM_LDR_SB_G2"}, + {78, "R_ARM_LDRS_SB_G0"}, + {79, "R_ARM_LDRS_SB_G1"}, + {80, "R_ARM_LDRS_SB_G2"}, + {81, "R_ARM_LDC_SB_G0"}, + {82, "R_ARM_LDC_SB_G1"}, + {83, "R_ARM_LDC_SB_G2"}, + {84, "R_ARM_MOVW_BREL_NC"}, + {85, "R_ARM_MOVT_BREL"}, + {86, "R_ARM_MOVW_BREL"}, + {87, "R_ARM_THM_MOVW_BREL_NC"}, + {88, "R_ARM_THM_MOVT_BREL"}, + {89, "R_ARM_THM_MOVW_BREL"}, + {90, "R_ARM_TLS_GOTDESC"}, + {91, "R_ARM_TLS_CALL"}, + {92, "R_ARM_TLS_DESCSEQ"}, + {93, "R_ARM_THM_TLS_CALL"}, + {94, "R_ARM_PLT32_ABS"}, + {95, "R_ARM_GOT_ABS"}, + {96, "R_ARM_GOT_PREL"}, + {97, "R_ARM_GOT_BREL12"}, + {98, "R_ARM_GOTOFF12"}, + {99, "R_ARM_GOTRELAX"}, + {100, "R_ARM_GNU_VTENTRY"}, + {101, "R_ARM_GNU_VTINHERIT"}, + {102, "R_ARM_THM_JUMP11"}, + {103, "R_ARM_THM_JUMP8"}, + {104, "R_ARM_TLS_GD32"}, + {105, "R_ARM_TLS_LDM32"}, + {106, "R_ARM_TLS_LDO32"}, + {107, "R_ARM_TLS_IE32"}, + {108, "R_ARM_TLS_LE32"}, + {109, "R_ARM_TLS_LDO12"}, + {110, "R_ARM_TLS_LE12"}, + {111, "R_ARM_TLS_IE12GP"}, + {112, "R_ARM_PRIVATE_0"}, + {113, "R_ARM_PRIVATE_1"}, + {114, "R_ARM_PRIVATE_2"}, + {115, "R_ARM_PRIVATE_3"}, + {116, "R_ARM_PRIVATE_4"}, + {117, "R_ARM_PRIVATE_5"}, + {118, "R_ARM_PRIVATE_6"}, + {119, "R_ARM_PRIVATE_7"}, + {120, "R_ARM_PRIVATE_8"}, + {121, "R_ARM_PRIVATE_9"}, + {122, "R_ARM_PRIVATE_10"}, + {123, "R_ARM_PRIVATE_11"}, + {124, "R_ARM_PRIVATE_12"}, + {125, "R_ARM_PRIVATE_13"}, + {126, "R_ARM_PRIVATE_14"}, + {127, "R_ARM_PRIVATE_15"}, + {128, "R_ARM_ME_TOO"}, + {129, "R_ARM_THM_TLS_DESCSEQ16"}, + {130, "R_ARM_THM_TLS_DESCSEQ32"}, + {131, "R_ARM_THM_GOT_BREL12"}, + {132, "R_ARM_THM_ALU_ABS_G0_NC"}, + {133, "R_ARM_THM_ALU_ABS_G1_NC"}, + {134, "R_ARM_THM_ALU_ABS_G2_NC"}, + {135, "R_ARM_THM_ALU_ABS_G3"}, + {160, "R_ARM_IRELATIVE"}, + {249, "R_ARM_RXPC25"}, + {250, "R_ARM_RSBREL32"}, + {251, "R_ARM_THM_RPC22"}, + {252, "R_ARM_RREL32"}, + {253, "R_ARM_RABS32"}, + {254, "R_ARM_RPC24"}, + {255, "R_ARM_RBASE"}, +} + +func (i R_ARM) String() string { return stringName(uint32(i), rarmStrings, false) } +func (i R_ARM) GoString() string { return stringName(uint32(i), rarmStrings, true) } + +// Relocation types for 386. +type R_386 int + +const ( + R_386_NONE R_386 = 0 /* No relocation. */ + R_386_32 R_386 = 1 /* Add symbol value. */ + R_386_PC32 R_386 = 2 /* Add PC-relative symbol value. */ + R_386_GOT32 R_386 = 3 /* Add PC-relative GOT offset. */ + R_386_PLT32 R_386 = 4 /* Add PC-relative PLT offset. */ + R_386_COPY R_386 = 5 /* Copy data from shared object. */ + R_386_GLOB_DAT R_386 = 6 /* Set GOT entry to data address. */ + R_386_JMP_SLOT R_386 = 7 /* Set GOT entry to code address. */ + R_386_RELATIVE R_386 = 8 /* Add load address of shared object. */ + R_386_GOTOFF R_386 = 9 /* Add GOT-relative symbol address. */ + R_386_GOTPC R_386 = 10 /* Add PC-relative GOT table address. */ + R_386_32PLT R_386 = 11 + R_386_TLS_TPOFF R_386 = 14 /* Negative offset in static TLS block */ + R_386_TLS_IE R_386 = 15 /* Absolute address of GOT for -ve static TLS */ + R_386_TLS_GOTIE R_386 = 16 /* GOT entry for negative static TLS block */ + R_386_TLS_LE R_386 = 17 /* Negative offset relative to static TLS */ + R_386_TLS_GD R_386 = 18 /* 32 bit offset to GOT (index,off) pair */ + R_386_TLS_LDM R_386 = 19 /* 32 bit offset to GOT (index,zero) pair */ + R_386_16 R_386 = 20 + R_386_PC16 R_386 = 21 + R_386_8 R_386 = 22 + R_386_PC8 R_386 = 23 + R_386_TLS_GD_32 R_386 = 24 /* 32 bit offset to GOT (index,off) pair */ + R_386_TLS_GD_PUSH R_386 = 25 /* pushl instruction for Sun ABI GD sequence */ + R_386_TLS_GD_CALL R_386 = 26 /* call instruction for Sun ABI GD sequence */ + R_386_TLS_GD_POP R_386 = 27 /* popl instruction for Sun ABI GD sequence */ + R_386_TLS_LDM_32 R_386 = 28 /* 32 bit offset to GOT (index,zero) pair */ + R_386_TLS_LDM_PUSH R_386 = 29 /* pushl instruction for Sun ABI LD sequence */ + R_386_TLS_LDM_CALL R_386 = 30 /* call instruction for Sun ABI LD sequence */ + R_386_TLS_LDM_POP R_386 = 31 /* popl instruction for Sun ABI LD sequence */ + R_386_TLS_LDO_32 R_386 = 32 /* 32 bit offset from start of TLS block */ + R_386_TLS_IE_32 R_386 = 33 /* 32 bit offset to GOT static TLS offset entry */ + R_386_TLS_LE_32 R_386 = 34 /* 32 bit offset within static TLS block */ + R_386_TLS_DTPMOD32 R_386 = 35 /* GOT entry containing TLS index */ + R_386_TLS_DTPOFF32 R_386 = 36 /* GOT entry containing TLS offset */ + R_386_TLS_TPOFF32 R_386 = 37 /* GOT entry of -ve static TLS offset */ + R_386_SIZE32 R_386 = 38 + R_386_TLS_GOTDESC R_386 = 39 + R_386_TLS_DESC_CALL R_386 = 40 + R_386_TLS_DESC R_386 = 41 + R_386_IRELATIVE R_386 = 42 + R_386_GOT32X R_386 = 43 +) + +var r386Strings = []intName{ + {0, "R_386_NONE"}, + {1, "R_386_32"}, + {2, "R_386_PC32"}, + {3, "R_386_GOT32"}, + {4, "R_386_PLT32"}, + {5, "R_386_COPY"}, + {6, "R_386_GLOB_DAT"}, + {7, "R_386_JMP_SLOT"}, + {8, "R_386_RELATIVE"}, + {9, "R_386_GOTOFF"}, + {10, "R_386_GOTPC"}, + {11, "R_386_32PLT"}, + {14, "R_386_TLS_TPOFF"}, + {15, "R_386_TLS_IE"}, + {16, "R_386_TLS_GOTIE"}, + {17, "R_386_TLS_LE"}, + {18, "R_386_TLS_GD"}, + {19, "R_386_TLS_LDM"}, + {20, "R_386_16"}, + {21, "R_386_PC16"}, + {22, "R_386_8"}, + {23, "R_386_PC8"}, + {24, "R_386_TLS_GD_32"}, + {25, "R_386_TLS_GD_PUSH"}, + {26, "R_386_TLS_GD_CALL"}, + {27, "R_386_TLS_GD_POP"}, + {28, "R_386_TLS_LDM_32"}, + {29, "R_386_TLS_LDM_PUSH"}, + {30, "R_386_TLS_LDM_CALL"}, + {31, "R_386_TLS_LDM_POP"}, + {32, "R_386_TLS_LDO_32"}, + {33, "R_386_TLS_IE_32"}, + {34, "R_386_TLS_LE_32"}, + {35, "R_386_TLS_DTPMOD32"}, + {36, "R_386_TLS_DTPOFF32"}, + {37, "R_386_TLS_TPOFF32"}, + {38, "R_386_SIZE32"}, + {39, "R_386_TLS_GOTDESC"}, + {40, "R_386_TLS_DESC_CALL"}, + {41, "R_386_TLS_DESC"}, + {42, "R_386_IRELATIVE"}, + {43, "R_386_GOT32X"}, +} + +func (i R_386) String() string { return stringName(uint32(i), r386Strings, false) } +func (i R_386) GoString() string { return stringName(uint32(i), r386Strings, true) } + +// Relocation types for MIPS. +type R_MIPS int + +const ( + R_MIPS_NONE R_MIPS = 0 + R_MIPS_16 R_MIPS = 1 + R_MIPS_32 R_MIPS = 2 + R_MIPS_REL32 R_MIPS = 3 + R_MIPS_26 R_MIPS = 4 + R_MIPS_HI16 R_MIPS = 5 /* high 16 bits of symbol value */ + R_MIPS_LO16 R_MIPS = 6 /* low 16 bits of symbol value */ + R_MIPS_GPREL16 R_MIPS = 7 /* GP-relative reference */ + R_MIPS_LITERAL R_MIPS = 8 /* Reference to literal section */ + R_MIPS_GOT16 R_MIPS = 9 /* Reference to global offset table */ + R_MIPS_PC16 R_MIPS = 10 /* 16 bit PC relative reference */ + R_MIPS_CALL16 R_MIPS = 11 /* 16 bit call through glbl offset tbl */ + R_MIPS_GPREL32 R_MIPS = 12 + R_MIPS_SHIFT5 R_MIPS = 16 + R_MIPS_SHIFT6 R_MIPS = 17 + R_MIPS_64 R_MIPS = 18 + R_MIPS_GOT_DISP R_MIPS = 19 + R_MIPS_GOT_PAGE R_MIPS = 20 + R_MIPS_GOT_OFST R_MIPS = 21 + R_MIPS_GOT_HI16 R_MIPS = 22 + R_MIPS_GOT_LO16 R_MIPS = 23 + R_MIPS_SUB R_MIPS = 24 + R_MIPS_INSERT_A R_MIPS = 25 + R_MIPS_INSERT_B R_MIPS = 26 + R_MIPS_DELETE R_MIPS = 27 + R_MIPS_HIGHER R_MIPS = 28 + R_MIPS_HIGHEST R_MIPS = 29 + R_MIPS_CALL_HI16 R_MIPS = 30 + R_MIPS_CALL_LO16 R_MIPS = 31 + R_MIPS_SCN_DISP R_MIPS = 32 + R_MIPS_REL16 R_MIPS = 33 + R_MIPS_ADD_IMMEDIATE R_MIPS = 34 + R_MIPS_PJUMP R_MIPS = 35 + R_MIPS_RELGOT R_MIPS = 36 + R_MIPS_JALR R_MIPS = 37 + + R_MIPS_TLS_DTPMOD32 R_MIPS = 38 /* Module number 32 bit */ + R_MIPS_TLS_DTPREL32 R_MIPS = 39 /* Module-relative offset 32 bit */ + R_MIPS_TLS_DTPMOD64 R_MIPS = 40 /* Module number 64 bit */ + R_MIPS_TLS_DTPREL64 R_MIPS = 41 /* Module-relative offset 64 bit */ + R_MIPS_TLS_GD R_MIPS = 42 /* 16 bit GOT offset for GD */ + R_MIPS_TLS_LDM R_MIPS = 43 /* 16 bit GOT offset for LDM */ + R_MIPS_TLS_DTPREL_HI16 R_MIPS = 44 /* Module-relative offset, high 16 bits */ + R_MIPS_TLS_DTPREL_LO16 R_MIPS = 45 /* Module-relative offset, low 16 bits */ + R_MIPS_TLS_GOTTPREL R_MIPS = 46 /* 16 bit GOT offset for IE */ + R_MIPS_TLS_TPREL32 R_MIPS = 47 /* TP-relative offset, 32 bit */ + R_MIPS_TLS_TPREL64 R_MIPS = 48 /* TP-relative offset, 64 bit */ + R_MIPS_TLS_TPREL_HI16 R_MIPS = 49 /* TP-relative offset, high 16 bits */ + R_MIPS_TLS_TPREL_LO16 R_MIPS = 50 /* TP-relative offset, low 16 bits */ +) + +var rmipsStrings = []intName{ + {0, "R_MIPS_NONE"}, + {1, "R_MIPS_16"}, + {2, "R_MIPS_32"}, + {3, "R_MIPS_REL32"}, + {4, "R_MIPS_26"}, + {5, "R_MIPS_HI16"}, + {6, "R_MIPS_LO16"}, + {7, "R_MIPS_GPREL16"}, + {8, "R_MIPS_LITERAL"}, + {9, "R_MIPS_GOT16"}, + {10, "R_MIPS_PC16"}, + {11, "R_MIPS_CALL16"}, + {12, "R_MIPS_GPREL32"}, + {16, "R_MIPS_SHIFT5"}, + {17, "R_MIPS_SHIFT6"}, + {18, "R_MIPS_64"}, + {19, "R_MIPS_GOT_DISP"}, + {20, "R_MIPS_GOT_PAGE"}, + {21, "R_MIPS_GOT_OFST"}, + {22, "R_MIPS_GOT_HI16"}, + {23, "R_MIPS_GOT_LO16"}, + {24, "R_MIPS_SUB"}, + {25, "R_MIPS_INSERT_A"}, + {26, "R_MIPS_INSERT_B"}, + {27, "R_MIPS_DELETE"}, + {28, "R_MIPS_HIGHER"}, + {29, "R_MIPS_HIGHEST"}, + {30, "R_MIPS_CALL_HI16"}, + {31, "R_MIPS_CALL_LO16"}, + {32, "R_MIPS_SCN_DISP"}, + {33, "R_MIPS_REL16"}, + {34, "R_MIPS_ADD_IMMEDIATE"}, + {35, "R_MIPS_PJUMP"}, + {36, "R_MIPS_RELGOT"}, + {37, "R_MIPS_JALR"}, + {38, "R_MIPS_TLS_DTPMOD32"}, + {39, "R_MIPS_TLS_DTPREL32"}, + {40, "R_MIPS_TLS_DTPMOD64"}, + {41, "R_MIPS_TLS_DTPREL64"}, + {42, "R_MIPS_TLS_GD"}, + {43, "R_MIPS_TLS_LDM"}, + {44, "R_MIPS_TLS_DTPREL_HI16"}, + {45, "R_MIPS_TLS_DTPREL_LO16"}, + {46, "R_MIPS_TLS_GOTTPREL"}, + {47, "R_MIPS_TLS_TPREL32"}, + {48, "R_MIPS_TLS_TPREL64"}, + {49, "R_MIPS_TLS_TPREL_HI16"}, + {50, "R_MIPS_TLS_TPREL_LO16"}, +} + +func (i R_MIPS) String() string { return stringName(uint32(i), rmipsStrings, false) } +func (i R_MIPS) GoString() string { return stringName(uint32(i), rmipsStrings, true) } + +// Relocation types for LoongArch. +type R_LARCH int + +const ( + R_LARCH_NONE R_LARCH = 0 + R_LARCH_32 R_LARCH = 1 + R_LARCH_64 R_LARCH = 2 + R_LARCH_RELATIVE R_LARCH = 3 + R_LARCH_COPY R_LARCH = 4 + R_LARCH_JUMP_SLOT R_LARCH = 5 + R_LARCH_TLS_DTPMOD32 R_LARCH = 6 + R_LARCH_TLS_DTPMOD64 R_LARCH = 7 + R_LARCH_TLS_DTPREL32 R_LARCH = 8 + R_LARCH_TLS_DTPREL64 R_LARCH = 9 + R_LARCH_TLS_TPREL32 R_LARCH = 10 + R_LARCH_TLS_TPREL64 R_LARCH = 11 + R_LARCH_IRELATIVE R_LARCH = 12 + R_LARCH_MARK_LA R_LARCH = 20 + R_LARCH_MARK_PCREL R_LARCH = 21 + R_LARCH_SOP_PUSH_PCREL R_LARCH = 22 + R_LARCH_SOP_PUSH_ABSOLUTE R_LARCH = 23 + R_LARCH_SOP_PUSH_DUP R_LARCH = 24 + R_LARCH_SOP_PUSH_GPREL R_LARCH = 25 + R_LARCH_SOP_PUSH_TLS_TPREL R_LARCH = 26 + R_LARCH_SOP_PUSH_TLS_GOT R_LARCH = 27 + R_LARCH_SOP_PUSH_TLS_GD R_LARCH = 28 + R_LARCH_SOP_PUSH_PLT_PCREL R_LARCH = 29 + R_LARCH_SOP_ASSERT R_LARCH = 30 + R_LARCH_SOP_NOT R_LARCH = 31 + R_LARCH_SOP_SUB R_LARCH = 32 + R_LARCH_SOP_SL R_LARCH = 33 + R_LARCH_SOP_SR R_LARCH = 34 + R_LARCH_SOP_ADD R_LARCH = 35 + R_LARCH_SOP_AND R_LARCH = 36 + R_LARCH_SOP_IF_ELSE R_LARCH = 37 + R_LARCH_SOP_POP_32_S_10_5 R_LARCH = 38 + R_LARCH_SOP_POP_32_U_10_12 R_LARCH = 39 + R_LARCH_SOP_POP_32_S_10_12 R_LARCH = 40 + R_LARCH_SOP_POP_32_S_10_16 R_LARCH = 41 + R_LARCH_SOP_POP_32_S_10_16_S2 R_LARCH = 42 + R_LARCH_SOP_POP_32_S_5_20 R_LARCH = 43 + R_LARCH_SOP_POP_32_S_0_5_10_16_S2 R_LARCH = 44 + R_LARCH_SOP_POP_32_S_0_10_10_16_S2 R_LARCH = 45 + R_LARCH_SOP_POP_32_U R_LARCH = 46 + R_LARCH_ADD8 R_LARCH = 47 + R_LARCH_ADD16 R_LARCH = 48 + R_LARCH_ADD24 R_LARCH = 49 + R_LARCH_ADD32 R_LARCH = 50 + R_LARCH_ADD64 R_LARCH = 51 + R_LARCH_SUB8 R_LARCH = 52 + R_LARCH_SUB16 R_LARCH = 53 + R_LARCH_SUB24 R_LARCH = 54 + R_LARCH_SUB32 R_LARCH = 55 + R_LARCH_SUB64 R_LARCH = 56 + R_LARCH_GNU_VTINHERIT R_LARCH = 57 + R_LARCH_GNU_VTENTRY R_LARCH = 58 + R_LARCH_B16 R_LARCH = 64 + R_LARCH_B21 R_LARCH = 65 + R_LARCH_B26 R_LARCH = 66 + R_LARCH_ABS_HI20 R_LARCH = 67 + R_LARCH_ABS_LO12 R_LARCH = 68 + R_LARCH_ABS64_LO20 R_LARCH = 69 + R_LARCH_ABS64_HI12 R_LARCH = 70 + R_LARCH_PCALA_HI20 R_LARCH = 71 + R_LARCH_PCALA_LO12 R_LARCH = 72 + R_LARCH_PCALA64_LO20 R_LARCH = 73 + R_LARCH_PCALA64_HI12 R_LARCH = 74 + R_LARCH_GOT_PC_HI20 R_LARCH = 75 + R_LARCH_GOT_PC_LO12 R_LARCH = 76 + R_LARCH_GOT64_PC_LO20 R_LARCH = 77 + R_LARCH_GOT64_PC_HI12 R_LARCH = 78 + R_LARCH_GOT_HI20 R_LARCH = 79 + R_LARCH_GOT_LO12 R_LARCH = 80 + R_LARCH_GOT64_LO20 R_LARCH = 81 + R_LARCH_GOT64_HI12 R_LARCH = 82 + R_LARCH_TLS_LE_HI20 R_LARCH = 83 + R_LARCH_TLS_LE_LO12 R_LARCH = 84 + R_LARCH_TLS_LE64_LO20 R_LARCH = 85 + R_LARCH_TLS_LE64_HI12 R_LARCH = 86 + R_LARCH_TLS_IE_PC_HI20 R_LARCH = 87 + R_LARCH_TLS_IE_PC_LO12 R_LARCH = 88 + R_LARCH_TLS_IE64_PC_LO20 R_LARCH = 89 + R_LARCH_TLS_IE64_PC_HI12 R_LARCH = 90 + R_LARCH_TLS_IE_HI20 R_LARCH = 91 + R_LARCH_TLS_IE_LO12 R_LARCH = 92 + R_LARCH_TLS_IE64_LO20 R_LARCH = 93 + R_LARCH_TLS_IE64_HI12 R_LARCH = 94 + R_LARCH_TLS_LD_PC_HI20 R_LARCH = 95 + R_LARCH_TLS_LD_HI20 R_LARCH = 96 + R_LARCH_TLS_GD_PC_HI20 R_LARCH = 97 + R_LARCH_TLS_GD_HI20 R_LARCH = 98 + R_LARCH_32_PCREL R_LARCH = 99 + R_LARCH_RELAX R_LARCH = 100 +) + +var rlarchStrings = []intName{ + {0, "R_LARCH_NONE"}, + {1, "R_LARCH_32"}, + {2, "R_LARCH_64"}, + {3, "R_LARCH_RELATIVE"}, + {4, "R_LARCH_COPY"}, + {5, "R_LARCH_JUMP_SLOT"}, + {6, "R_LARCH_TLS_DTPMOD32"}, + {7, "R_LARCH_TLS_DTPMOD64"}, + {8, "R_LARCH_TLS_DTPREL32"}, + {9, "R_LARCH_TLS_DTPREL64"}, + {10, "R_LARCH_TLS_TPREL32"}, + {11, "R_LARCH_TLS_TPREL64"}, + {12, "R_LARCH_IRELATIVE"}, + {20, "R_LARCH_MARK_LA"}, + {21, "R_LARCH_MARK_PCREL"}, + {22, "R_LARCH_SOP_PUSH_PCREL"}, + {23, "R_LARCH_SOP_PUSH_ABSOLUTE"}, + {24, "R_LARCH_SOP_PUSH_DUP"}, + {25, "R_LARCH_SOP_PUSH_GPREL"}, + {26, "R_LARCH_SOP_PUSH_TLS_TPREL"}, + {27, "R_LARCH_SOP_PUSH_TLS_GOT"}, + {28, "R_LARCH_SOP_PUSH_TLS_GD"}, + {29, "R_LARCH_SOP_PUSH_PLT_PCREL"}, + {30, "R_LARCH_SOP_ASSERT"}, + {31, "R_LARCH_SOP_NOT"}, + {32, "R_LARCH_SOP_SUB"}, + {33, "R_LARCH_SOP_SL"}, + {34, "R_LARCH_SOP_SR"}, + {35, "R_LARCH_SOP_ADD"}, + {36, "R_LARCH_SOP_AND"}, + {37, "R_LARCH_SOP_IF_ELSE"}, + {38, "R_LARCH_SOP_POP_32_S_10_5"}, + {39, "R_LARCH_SOP_POP_32_U_10_12"}, + {40, "R_LARCH_SOP_POP_32_S_10_12"}, + {41, "R_LARCH_SOP_POP_32_S_10_16"}, + {42, "R_LARCH_SOP_POP_32_S_10_16_S2"}, + {43, "R_LARCH_SOP_POP_32_S_5_20"}, + {44, "R_LARCH_SOP_POP_32_S_0_5_10_16_S2"}, + {45, "R_LARCH_SOP_POP_32_S_0_10_10_16_S2"}, + {46, "R_LARCH_SOP_POP_32_U"}, + {47, "R_LARCH_ADD8"}, + {48, "R_LARCH_ADD16"}, + {49, "R_LARCH_ADD24"}, + {50, "R_LARCH_ADD32"}, + {51, "R_LARCH_ADD64"}, + {52, "R_LARCH_SUB8"}, + {53, "R_LARCH_SUB16"}, + {54, "R_LARCH_SUB24"}, + {55, "R_LARCH_SUB32"}, + {56, "R_LARCH_SUB64"}, + {57, "R_LARCH_GNU_VTINHERIT"}, + {58, "R_LARCH_GNU_VTENTRY"}, + {64, "R_LARCH_B16"}, + {65, "R_LARCH_B21"}, + {66, "R_LARCH_B26"}, + {67, "R_LARCH_ABS_HI20"}, + {68, "R_LARCH_ABS_LO12"}, + {69, "R_LARCH_ABS64_LO20"}, + {70, "R_LARCH_ABS64_HI12"}, + {71, "R_LARCH_PCALA_HI20"}, + {72, "R_LARCH_PCALA_LO12"}, + {73, "R_LARCH_PCALA64_LO20"}, + {74, "R_LARCH_PCALA64_HI12"}, + {75, "R_LARCH_GOT_PC_HI20"}, + {76, "R_LARCH_GOT_PC_LO12"}, + {77, "R_LARCH_GOT64_PC_LO20"}, + {78, "R_LARCH_GOT64_PC_HI12"}, + {79, "R_LARCH_GOT_HI20"}, + {80, "R_LARCH_GOT_LO12"}, + {81, "R_LARCH_GOT64_LO20"}, + {82, "R_LARCH_GOT64_HI12"}, + {83, "R_LARCH_TLS_LE_HI20"}, + {84, "R_LARCH_TLS_LE_LO12"}, + {85, "R_LARCH_TLS_LE64_LO20"}, + {86, "R_LARCH_TLS_LE64_HI12"}, + {87, "R_LARCH_TLS_IE_PC_HI20"}, + {88, "R_LARCH_TLS_IE_PC_LO12"}, + {89, "R_LARCH_TLS_IE64_PC_LO20"}, + {90, "R_LARCH_TLS_IE64_PC_HI12"}, + {91, "R_LARCH_TLS_IE_HI20"}, + {92, "R_LARCH_TLS_IE_LO12"}, + {93, "R_LARCH_TLS_IE64_LO20"}, + {94, "R_LARCH_TLS_IE64_HI12"}, + {95, "R_LARCH_TLS_LD_PC_HI20"}, + {96, "R_LARCH_TLS_LD_HI20"}, + {97, "R_LARCH_TLS_GD_PC_HI20"}, + {98, "R_LARCH_TLS_GD_HI20"}, + {99, "R_LARCH_32_PCREL"}, + {100, "R_LARCH_RELAX"}, +} + +func (i R_LARCH) String() string { return stringName(uint32(i), rlarchStrings, false) } +func (i R_LARCH) GoString() string { return stringName(uint32(i), rlarchStrings, true) } + +// Relocation types for PowerPC. +// +// Values that are shared by both R_PPC and R_PPC64 are prefixed with +// R_POWERPC_ in the ELF standard. For the R_PPC type, the relevant +// shared relocations have been renamed with the prefix R_PPC_. +// The original name follows the value in a comment. +type R_PPC int + +const ( + R_PPC_NONE R_PPC = 0 // R_POWERPC_NONE + R_PPC_ADDR32 R_PPC = 1 // R_POWERPC_ADDR32 + R_PPC_ADDR24 R_PPC = 2 // R_POWERPC_ADDR24 + R_PPC_ADDR16 R_PPC = 3 // R_POWERPC_ADDR16 + R_PPC_ADDR16_LO R_PPC = 4 // R_POWERPC_ADDR16_LO + R_PPC_ADDR16_HI R_PPC = 5 // R_POWERPC_ADDR16_HI + R_PPC_ADDR16_HA R_PPC = 6 // R_POWERPC_ADDR16_HA + R_PPC_ADDR14 R_PPC = 7 // R_POWERPC_ADDR14 + R_PPC_ADDR14_BRTAKEN R_PPC = 8 // R_POWERPC_ADDR14_BRTAKEN + R_PPC_ADDR14_BRNTAKEN R_PPC = 9 // R_POWERPC_ADDR14_BRNTAKEN + R_PPC_REL24 R_PPC = 10 // R_POWERPC_REL24 + R_PPC_REL14 R_PPC = 11 // R_POWERPC_REL14 + R_PPC_REL14_BRTAKEN R_PPC = 12 // R_POWERPC_REL14_BRTAKEN + R_PPC_REL14_BRNTAKEN R_PPC = 13 // R_POWERPC_REL14_BRNTAKEN + R_PPC_GOT16 R_PPC = 14 // R_POWERPC_GOT16 + R_PPC_GOT16_LO R_PPC = 15 // R_POWERPC_GOT16_LO + R_PPC_GOT16_HI R_PPC = 16 // R_POWERPC_GOT16_HI + R_PPC_GOT16_HA R_PPC = 17 // R_POWERPC_GOT16_HA + R_PPC_PLTREL24 R_PPC = 18 + R_PPC_COPY R_PPC = 19 // R_POWERPC_COPY + R_PPC_GLOB_DAT R_PPC = 20 // R_POWERPC_GLOB_DAT + R_PPC_JMP_SLOT R_PPC = 21 // R_POWERPC_JMP_SLOT + R_PPC_RELATIVE R_PPC = 22 // R_POWERPC_RELATIVE + R_PPC_LOCAL24PC R_PPC = 23 + R_PPC_UADDR32 R_PPC = 24 // R_POWERPC_UADDR32 + R_PPC_UADDR16 R_PPC = 25 // R_POWERPC_UADDR16 + R_PPC_REL32 R_PPC = 26 // R_POWERPC_REL32 + R_PPC_PLT32 R_PPC = 27 // R_POWERPC_PLT32 + R_PPC_PLTREL32 R_PPC = 28 // R_POWERPC_PLTREL32 + R_PPC_PLT16_LO R_PPC = 29 // R_POWERPC_PLT16_LO + R_PPC_PLT16_HI R_PPC = 30 // R_POWERPC_PLT16_HI + R_PPC_PLT16_HA R_PPC = 31 // R_POWERPC_PLT16_HA + R_PPC_SDAREL16 R_PPC = 32 + R_PPC_SECTOFF R_PPC = 33 // R_POWERPC_SECTOFF + R_PPC_SECTOFF_LO R_PPC = 34 // R_POWERPC_SECTOFF_LO + R_PPC_SECTOFF_HI R_PPC = 35 // R_POWERPC_SECTOFF_HI + R_PPC_SECTOFF_HA R_PPC = 36 // R_POWERPC_SECTOFF_HA + R_PPC_TLS R_PPC = 67 // R_POWERPC_TLS + R_PPC_DTPMOD32 R_PPC = 68 // R_POWERPC_DTPMOD32 + R_PPC_TPREL16 R_PPC = 69 // R_POWERPC_TPREL16 + R_PPC_TPREL16_LO R_PPC = 70 // R_POWERPC_TPREL16_LO + R_PPC_TPREL16_HI R_PPC = 71 // R_POWERPC_TPREL16_HI + R_PPC_TPREL16_HA R_PPC = 72 // R_POWERPC_TPREL16_HA + R_PPC_TPREL32 R_PPC = 73 // R_POWERPC_TPREL32 + R_PPC_DTPREL16 R_PPC = 74 // R_POWERPC_DTPREL16 + R_PPC_DTPREL16_LO R_PPC = 75 // R_POWERPC_DTPREL16_LO + R_PPC_DTPREL16_HI R_PPC = 76 // R_POWERPC_DTPREL16_HI + R_PPC_DTPREL16_HA R_PPC = 77 // R_POWERPC_DTPREL16_HA + R_PPC_DTPREL32 R_PPC = 78 // R_POWERPC_DTPREL32 + R_PPC_GOT_TLSGD16 R_PPC = 79 // R_POWERPC_GOT_TLSGD16 + R_PPC_GOT_TLSGD16_LO R_PPC = 80 // R_POWERPC_GOT_TLSGD16_LO + R_PPC_GOT_TLSGD16_HI R_PPC = 81 // R_POWERPC_GOT_TLSGD16_HI + R_PPC_GOT_TLSGD16_HA R_PPC = 82 // R_POWERPC_GOT_TLSGD16_HA + R_PPC_GOT_TLSLD16 R_PPC = 83 // R_POWERPC_GOT_TLSLD16 + R_PPC_GOT_TLSLD16_LO R_PPC = 84 // R_POWERPC_GOT_TLSLD16_LO + R_PPC_GOT_TLSLD16_HI R_PPC = 85 // R_POWERPC_GOT_TLSLD16_HI + R_PPC_GOT_TLSLD16_HA R_PPC = 86 // R_POWERPC_GOT_TLSLD16_HA + R_PPC_GOT_TPREL16 R_PPC = 87 // R_POWERPC_GOT_TPREL16 + R_PPC_GOT_TPREL16_LO R_PPC = 88 // R_POWERPC_GOT_TPREL16_LO + R_PPC_GOT_TPREL16_HI R_PPC = 89 // R_POWERPC_GOT_TPREL16_HI + R_PPC_GOT_TPREL16_HA R_PPC = 90 // R_POWERPC_GOT_TPREL16_HA + R_PPC_EMB_NADDR32 R_PPC = 101 + R_PPC_EMB_NADDR16 R_PPC = 102 + R_PPC_EMB_NADDR16_LO R_PPC = 103 + R_PPC_EMB_NADDR16_HI R_PPC = 104 + R_PPC_EMB_NADDR16_HA R_PPC = 105 + R_PPC_EMB_SDAI16 R_PPC = 106 + R_PPC_EMB_SDA2I16 R_PPC = 107 + R_PPC_EMB_SDA2REL R_PPC = 108 + R_PPC_EMB_SDA21 R_PPC = 109 + R_PPC_EMB_MRKREF R_PPC = 110 + R_PPC_EMB_RELSEC16 R_PPC = 111 + R_PPC_EMB_RELST_LO R_PPC = 112 + R_PPC_EMB_RELST_HI R_PPC = 113 + R_PPC_EMB_RELST_HA R_PPC = 114 + R_PPC_EMB_BIT_FLD R_PPC = 115 + R_PPC_EMB_RELSDA R_PPC = 116 +) + +var rppcStrings = []intName{ + {0, "R_PPC_NONE"}, + {1, "R_PPC_ADDR32"}, + {2, "R_PPC_ADDR24"}, + {3, "R_PPC_ADDR16"}, + {4, "R_PPC_ADDR16_LO"}, + {5, "R_PPC_ADDR16_HI"}, + {6, "R_PPC_ADDR16_HA"}, + {7, "R_PPC_ADDR14"}, + {8, "R_PPC_ADDR14_BRTAKEN"}, + {9, "R_PPC_ADDR14_BRNTAKEN"}, + {10, "R_PPC_REL24"}, + {11, "R_PPC_REL14"}, + {12, "R_PPC_REL14_BRTAKEN"}, + {13, "R_PPC_REL14_BRNTAKEN"}, + {14, "R_PPC_GOT16"}, + {15, "R_PPC_GOT16_LO"}, + {16, "R_PPC_GOT16_HI"}, + {17, "R_PPC_GOT16_HA"}, + {18, "R_PPC_PLTREL24"}, + {19, "R_PPC_COPY"}, + {20, "R_PPC_GLOB_DAT"}, + {21, "R_PPC_JMP_SLOT"}, + {22, "R_PPC_RELATIVE"}, + {23, "R_PPC_LOCAL24PC"}, + {24, "R_PPC_UADDR32"}, + {25, "R_PPC_UADDR16"}, + {26, "R_PPC_REL32"}, + {27, "R_PPC_PLT32"}, + {28, "R_PPC_PLTREL32"}, + {29, "R_PPC_PLT16_LO"}, + {30, "R_PPC_PLT16_HI"}, + {31, "R_PPC_PLT16_HA"}, + {32, "R_PPC_SDAREL16"}, + {33, "R_PPC_SECTOFF"}, + {34, "R_PPC_SECTOFF_LO"}, + {35, "R_PPC_SECTOFF_HI"}, + {36, "R_PPC_SECTOFF_HA"}, + {67, "R_PPC_TLS"}, + {68, "R_PPC_DTPMOD32"}, + {69, "R_PPC_TPREL16"}, + {70, "R_PPC_TPREL16_LO"}, + {71, "R_PPC_TPREL16_HI"}, + {72, "R_PPC_TPREL16_HA"}, + {73, "R_PPC_TPREL32"}, + {74, "R_PPC_DTPREL16"}, + {75, "R_PPC_DTPREL16_LO"}, + {76, "R_PPC_DTPREL16_HI"}, + {77, "R_PPC_DTPREL16_HA"}, + {78, "R_PPC_DTPREL32"}, + {79, "R_PPC_GOT_TLSGD16"}, + {80, "R_PPC_GOT_TLSGD16_LO"}, + {81, "R_PPC_GOT_TLSGD16_HI"}, + {82, "R_PPC_GOT_TLSGD16_HA"}, + {83, "R_PPC_GOT_TLSLD16"}, + {84, "R_PPC_GOT_TLSLD16_LO"}, + {85, "R_PPC_GOT_TLSLD16_HI"}, + {86, "R_PPC_GOT_TLSLD16_HA"}, + {87, "R_PPC_GOT_TPREL16"}, + {88, "R_PPC_GOT_TPREL16_LO"}, + {89, "R_PPC_GOT_TPREL16_HI"}, + {90, "R_PPC_GOT_TPREL16_HA"}, + {101, "R_PPC_EMB_NADDR32"}, + {102, "R_PPC_EMB_NADDR16"}, + {103, "R_PPC_EMB_NADDR16_LO"}, + {104, "R_PPC_EMB_NADDR16_HI"}, + {105, "R_PPC_EMB_NADDR16_HA"}, + {106, "R_PPC_EMB_SDAI16"}, + {107, "R_PPC_EMB_SDA2I16"}, + {108, "R_PPC_EMB_SDA2REL"}, + {109, "R_PPC_EMB_SDA21"}, + {110, "R_PPC_EMB_MRKREF"}, + {111, "R_PPC_EMB_RELSEC16"}, + {112, "R_PPC_EMB_RELST_LO"}, + {113, "R_PPC_EMB_RELST_HI"}, + {114, "R_PPC_EMB_RELST_HA"}, + {115, "R_PPC_EMB_BIT_FLD"}, + {116, "R_PPC_EMB_RELSDA"}, +} + +func (i R_PPC) String() string { return stringName(uint32(i), rppcStrings, false) } +func (i R_PPC) GoString() string { return stringName(uint32(i), rppcStrings, true) } + +// Relocation types for 64-bit PowerPC or Power Architecture processors. +// +// Values that are shared by both R_PPC and R_PPC64 are prefixed with +// R_POWERPC_ in the ELF standard. For the R_PPC64 type, the relevant +// shared relocations have been renamed with the prefix R_PPC64_. +// The original name follows the value in a comment. +type R_PPC64 int + +const ( + R_PPC64_NONE R_PPC64 = 0 // R_POWERPC_NONE + R_PPC64_ADDR32 R_PPC64 = 1 // R_POWERPC_ADDR32 + R_PPC64_ADDR24 R_PPC64 = 2 // R_POWERPC_ADDR24 + R_PPC64_ADDR16 R_PPC64 = 3 // R_POWERPC_ADDR16 + R_PPC64_ADDR16_LO R_PPC64 = 4 // R_POWERPC_ADDR16_LO + R_PPC64_ADDR16_HI R_PPC64 = 5 // R_POWERPC_ADDR16_HI + R_PPC64_ADDR16_HA R_PPC64 = 6 // R_POWERPC_ADDR16_HA + R_PPC64_ADDR14 R_PPC64 = 7 // R_POWERPC_ADDR14 + R_PPC64_ADDR14_BRTAKEN R_PPC64 = 8 // R_POWERPC_ADDR14_BRTAKEN + R_PPC64_ADDR14_BRNTAKEN R_PPC64 = 9 // R_POWERPC_ADDR14_BRNTAKEN + R_PPC64_REL24 R_PPC64 = 10 // R_POWERPC_REL24 + R_PPC64_REL14 R_PPC64 = 11 // R_POWERPC_REL14 + R_PPC64_REL14_BRTAKEN R_PPC64 = 12 // R_POWERPC_REL14_BRTAKEN + R_PPC64_REL14_BRNTAKEN R_PPC64 = 13 // R_POWERPC_REL14_BRNTAKEN + R_PPC64_GOT16 R_PPC64 = 14 // R_POWERPC_GOT16 + R_PPC64_GOT16_LO R_PPC64 = 15 // R_POWERPC_GOT16_LO + R_PPC64_GOT16_HI R_PPC64 = 16 // R_POWERPC_GOT16_HI + R_PPC64_GOT16_HA R_PPC64 = 17 // R_POWERPC_GOT16_HA + R_PPC64_COPY R_PPC64 = 19 // R_POWERPC_COPY + R_PPC64_GLOB_DAT R_PPC64 = 20 // R_POWERPC_GLOB_DAT + R_PPC64_JMP_SLOT R_PPC64 = 21 // R_POWERPC_JMP_SLOT + R_PPC64_RELATIVE R_PPC64 = 22 // R_POWERPC_RELATIVE + R_PPC64_UADDR32 R_PPC64 = 24 // R_POWERPC_UADDR32 + R_PPC64_UADDR16 R_PPC64 = 25 // R_POWERPC_UADDR16 + R_PPC64_REL32 R_PPC64 = 26 // R_POWERPC_REL32 + R_PPC64_PLT32 R_PPC64 = 27 // R_POWERPC_PLT32 + R_PPC64_PLTREL32 R_PPC64 = 28 // R_POWERPC_PLTREL32 + R_PPC64_PLT16_LO R_PPC64 = 29 // R_POWERPC_PLT16_LO + R_PPC64_PLT16_HI R_PPC64 = 30 // R_POWERPC_PLT16_HI + R_PPC64_PLT16_HA R_PPC64 = 31 // R_POWERPC_PLT16_HA + R_PPC64_SECTOFF R_PPC64 = 33 // R_POWERPC_SECTOFF + R_PPC64_SECTOFF_LO R_PPC64 = 34 // R_POWERPC_SECTOFF_LO + R_PPC64_SECTOFF_HI R_PPC64 = 35 // R_POWERPC_SECTOFF_HI + R_PPC64_SECTOFF_HA R_PPC64 = 36 // R_POWERPC_SECTOFF_HA + R_PPC64_REL30 R_PPC64 = 37 // R_POWERPC_ADDR30 + R_PPC64_ADDR64 R_PPC64 = 38 + R_PPC64_ADDR16_HIGHER R_PPC64 = 39 + R_PPC64_ADDR16_HIGHERA R_PPC64 = 40 + R_PPC64_ADDR16_HIGHEST R_PPC64 = 41 + R_PPC64_ADDR16_HIGHESTA R_PPC64 = 42 + R_PPC64_UADDR64 R_PPC64 = 43 + R_PPC64_REL64 R_PPC64 = 44 + R_PPC64_PLT64 R_PPC64 = 45 + R_PPC64_PLTREL64 R_PPC64 = 46 + R_PPC64_TOC16 R_PPC64 = 47 + R_PPC64_TOC16_LO R_PPC64 = 48 + R_PPC64_TOC16_HI R_PPC64 = 49 + R_PPC64_TOC16_HA R_PPC64 = 50 + R_PPC64_TOC R_PPC64 = 51 + R_PPC64_PLTGOT16 R_PPC64 = 52 + R_PPC64_PLTGOT16_LO R_PPC64 = 53 + R_PPC64_PLTGOT16_HI R_PPC64 = 54 + R_PPC64_PLTGOT16_HA R_PPC64 = 55 + R_PPC64_ADDR16_DS R_PPC64 = 56 + R_PPC64_ADDR16_LO_DS R_PPC64 = 57 + R_PPC64_GOT16_DS R_PPC64 = 58 + R_PPC64_GOT16_LO_DS R_PPC64 = 59 + R_PPC64_PLT16_LO_DS R_PPC64 = 60 + R_PPC64_SECTOFF_DS R_PPC64 = 61 + R_PPC64_SECTOFF_LO_DS R_PPC64 = 62 + R_PPC64_TOC16_DS R_PPC64 = 63 + R_PPC64_TOC16_LO_DS R_PPC64 = 64 + R_PPC64_PLTGOT16_DS R_PPC64 = 65 + R_PPC64_PLTGOT_LO_DS R_PPC64 = 66 + R_PPC64_TLS R_PPC64 = 67 // R_POWERPC_TLS + R_PPC64_DTPMOD64 R_PPC64 = 68 // R_POWERPC_DTPMOD64 + R_PPC64_TPREL16 R_PPC64 = 69 // R_POWERPC_TPREL16 + R_PPC64_TPREL16_LO R_PPC64 = 70 // R_POWERPC_TPREL16_LO + R_PPC64_TPREL16_HI R_PPC64 = 71 // R_POWERPC_TPREL16_HI + R_PPC64_TPREL16_HA R_PPC64 = 72 // R_POWERPC_TPREL16_HA + R_PPC64_TPREL64 R_PPC64 = 73 // R_POWERPC_TPREL64 + R_PPC64_DTPREL16 R_PPC64 = 74 // R_POWERPC_DTPREL16 + R_PPC64_DTPREL16_LO R_PPC64 = 75 // R_POWERPC_DTPREL16_LO + R_PPC64_DTPREL16_HI R_PPC64 = 76 // R_POWERPC_DTPREL16_HI + R_PPC64_DTPREL16_HA R_PPC64 = 77 // R_POWERPC_DTPREL16_HA + R_PPC64_DTPREL64 R_PPC64 = 78 // R_POWERPC_DTPREL64 + R_PPC64_GOT_TLSGD16 R_PPC64 = 79 // R_POWERPC_GOT_TLSGD16 + R_PPC64_GOT_TLSGD16_LO R_PPC64 = 80 // R_POWERPC_GOT_TLSGD16_LO + R_PPC64_GOT_TLSGD16_HI R_PPC64 = 81 // R_POWERPC_GOT_TLSGD16_HI + R_PPC64_GOT_TLSGD16_HA R_PPC64 = 82 // R_POWERPC_GOT_TLSGD16_HA + R_PPC64_GOT_TLSLD16 R_PPC64 = 83 // R_POWERPC_GOT_TLSLD16 + R_PPC64_GOT_TLSLD16_LO R_PPC64 = 84 // R_POWERPC_GOT_TLSLD16_LO + R_PPC64_GOT_TLSLD16_HI R_PPC64 = 85 // R_POWERPC_GOT_TLSLD16_HI + R_PPC64_GOT_TLSLD16_HA R_PPC64 = 86 // R_POWERPC_GOT_TLSLD16_HA + R_PPC64_GOT_TPREL16_DS R_PPC64 = 87 // R_POWERPC_GOT_TPREL16_DS + R_PPC64_GOT_TPREL16_LO_DS R_PPC64 = 88 // R_POWERPC_GOT_TPREL16_LO_DS + R_PPC64_GOT_TPREL16_HI R_PPC64 = 89 // R_POWERPC_GOT_TPREL16_HI + R_PPC64_GOT_TPREL16_HA R_PPC64 = 90 // R_POWERPC_GOT_TPREL16_HA + R_PPC64_GOT_DTPREL16_DS R_PPC64 = 91 // R_POWERPC_GOT_DTPREL16_DS + R_PPC64_GOT_DTPREL16_LO_DS R_PPC64 = 92 // R_POWERPC_GOT_DTPREL16_LO_DS + R_PPC64_GOT_DTPREL16_HI R_PPC64 = 93 // R_POWERPC_GOT_DTPREL16_HI + R_PPC64_GOT_DTPREL16_HA R_PPC64 = 94 // R_POWERPC_GOT_DTPREL16_HA + R_PPC64_TPREL16_DS R_PPC64 = 95 + R_PPC64_TPREL16_LO_DS R_PPC64 = 96 + R_PPC64_TPREL16_HIGHER R_PPC64 = 97 + R_PPC64_TPREL16_HIGHERA R_PPC64 = 98 + R_PPC64_TPREL16_HIGHEST R_PPC64 = 99 + R_PPC64_TPREL16_HIGHESTA R_PPC64 = 100 + R_PPC64_DTPREL16_DS R_PPC64 = 101 + R_PPC64_DTPREL16_LO_DS R_PPC64 = 102 + R_PPC64_DTPREL16_HIGHER R_PPC64 = 103 + R_PPC64_DTPREL16_HIGHERA R_PPC64 = 104 + R_PPC64_DTPREL16_HIGHEST R_PPC64 = 105 + R_PPC64_DTPREL16_HIGHESTA R_PPC64 = 106 + R_PPC64_TLSGD R_PPC64 = 107 + R_PPC64_TLSLD R_PPC64 = 108 + R_PPC64_TOCSAVE R_PPC64 = 109 + R_PPC64_ADDR16_HIGH R_PPC64 = 110 + R_PPC64_ADDR16_HIGHA R_PPC64 = 111 + R_PPC64_TPREL16_HIGH R_PPC64 = 112 + R_PPC64_TPREL16_HIGHA R_PPC64 = 113 + R_PPC64_DTPREL16_HIGH R_PPC64 = 114 + R_PPC64_DTPREL16_HIGHA R_PPC64 = 115 + R_PPC64_REL24_NOTOC R_PPC64 = 116 + R_PPC64_ADDR64_LOCAL R_PPC64 = 117 + R_PPC64_ENTRY R_PPC64 = 118 + R_PPC64_PLTSEQ R_PPC64 = 119 + R_PPC64_PLTCALL R_PPC64 = 120 + R_PPC64_PLTSEQ_NOTOC R_PPC64 = 121 + R_PPC64_PLTCALL_NOTOC R_PPC64 = 122 + R_PPC64_PCREL_OPT R_PPC64 = 123 + R_PPC64_REL24_P9NOTOC R_PPC64 = 124 + R_PPC64_D34 R_PPC64 = 128 + R_PPC64_D34_LO R_PPC64 = 129 + R_PPC64_D34_HI30 R_PPC64 = 130 + R_PPC64_D34_HA30 R_PPC64 = 131 + R_PPC64_PCREL34 R_PPC64 = 132 + R_PPC64_GOT_PCREL34 R_PPC64 = 133 + R_PPC64_PLT_PCREL34 R_PPC64 = 134 + R_PPC64_PLT_PCREL34_NOTOC R_PPC64 = 135 + R_PPC64_ADDR16_HIGHER34 R_PPC64 = 136 + R_PPC64_ADDR16_HIGHERA34 R_PPC64 = 137 + R_PPC64_ADDR16_HIGHEST34 R_PPC64 = 138 + R_PPC64_ADDR16_HIGHESTA34 R_PPC64 = 139 + R_PPC64_REL16_HIGHER34 R_PPC64 = 140 + R_PPC64_REL16_HIGHERA34 R_PPC64 = 141 + R_PPC64_REL16_HIGHEST34 R_PPC64 = 142 + R_PPC64_REL16_HIGHESTA34 R_PPC64 = 143 + R_PPC64_D28 R_PPC64 = 144 + R_PPC64_PCREL28 R_PPC64 = 145 + R_PPC64_TPREL34 R_PPC64 = 146 + R_PPC64_DTPREL34 R_PPC64 = 147 + R_PPC64_GOT_TLSGD_PCREL34 R_PPC64 = 148 + R_PPC64_GOT_TLSLD_PCREL34 R_PPC64 = 149 + R_PPC64_GOT_TPREL_PCREL34 R_PPC64 = 150 + R_PPC64_GOT_DTPREL_PCREL34 R_PPC64 = 151 + R_PPC64_REL16_HIGH R_PPC64 = 240 + R_PPC64_REL16_HIGHA R_PPC64 = 241 + R_PPC64_REL16_HIGHER R_PPC64 = 242 + R_PPC64_REL16_HIGHERA R_PPC64 = 243 + R_PPC64_REL16_HIGHEST R_PPC64 = 244 + R_PPC64_REL16_HIGHESTA R_PPC64 = 245 + R_PPC64_REL16DX_HA R_PPC64 = 246 // R_POWERPC_REL16DX_HA + R_PPC64_JMP_IREL R_PPC64 = 247 + R_PPC64_IRELATIVE R_PPC64 = 248 // R_POWERPC_IRELATIVE + R_PPC64_REL16 R_PPC64 = 249 // R_POWERPC_REL16 + R_PPC64_REL16_LO R_PPC64 = 250 // R_POWERPC_REL16_LO + R_PPC64_REL16_HI R_PPC64 = 251 // R_POWERPC_REL16_HI + R_PPC64_REL16_HA R_PPC64 = 252 // R_POWERPC_REL16_HA + R_PPC64_GNU_VTINHERIT R_PPC64 = 253 + R_PPC64_GNU_VTENTRY R_PPC64 = 254 +) + +var rppc64Strings = []intName{ + {0, "R_PPC64_NONE"}, + {1, "R_PPC64_ADDR32"}, + {2, "R_PPC64_ADDR24"}, + {3, "R_PPC64_ADDR16"}, + {4, "R_PPC64_ADDR16_LO"}, + {5, "R_PPC64_ADDR16_HI"}, + {6, "R_PPC64_ADDR16_HA"}, + {7, "R_PPC64_ADDR14"}, + {8, "R_PPC64_ADDR14_BRTAKEN"}, + {9, "R_PPC64_ADDR14_BRNTAKEN"}, + {10, "R_PPC64_REL24"}, + {11, "R_PPC64_REL14"}, + {12, "R_PPC64_REL14_BRTAKEN"}, + {13, "R_PPC64_REL14_BRNTAKEN"}, + {14, "R_PPC64_GOT16"}, + {15, "R_PPC64_GOT16_LO"}, + {16, "R_PPC64_GOT16_HI"}, + {17, "R_PPC64_GOT16_HA"}, + {19, "R_PPC64_COPY"}, + {20, "R_PPC64_GLOB_DAT"}, + {21, "R_PPC64_JMP_SLOT"}, + {22, "R_PPC64_RELATIVE"}, + {24, "R_PPC64_UADDR32"}, + {25, "R_PPC64_UADDR16"}, + {26, "R_PPC64_REL32"}, + {27, "R_PPC64_PLT32"}, + {28, "R_PPC64_PLTREL32"}, + {29, "R_PPC64_PLT16_LO"}, + {30, "R_PPC64_PLT16_HI"}, + {31, "R_PPC64_PLT16_HA"}, + {33, "R_PPC64_SECTOFF"}, + {34, "R_PPC64_SECTOFF_LO"}, + {35, "R_PPC64_SECTOFF_HI"}, + {36, "R_PPC64_SECTOFF_HA"}, + {37, "R_PPC64_REL30"}, + {38, "R_PPC64_ADDR64"}, + {39, "R_PPC64_ADDR16_HIGHER"}, + {40, "R_PPC64_ADDR16_HIGHERA"}, + {41, "R_PPC64_ADDR16_HIGHEST"}, + {42, "R_PPC64_ADDR16_HIGHESTA"}, + {43, "R_PPC64_UADDR64"}, + {44, "R_PPC64_REL64"}, + {45, "R_PPC64_PLT64"}, + {46, "R_PPC64_PLTREL64"}, + {47, "R_PPC64_TOC16"}, + {48, "R_PPC64_TOC16_LO"}, + {49, "R_PPC64_TOC16_HI"}, + {50, "R_PPC64_TOC16_HA"}, + {51, "R_PPC64_TOC"}, + {52, "R_PPC64_PLTGOT16"}, + {53, "R_PPC64_PLTGOT16_LO"}, + {54, "R_PPC64_PLTGOT16_HI"}, + {55, "R_PPC64_PLTGOT16_HA"}, + {56, "R_PPC64_ADDR16_DS"}, + {57, "R_PPC64_ADDR16_LO_DS"}, + {58, "R_PPC64_GOT16_DS"}, + {59, "R_PPC64_GOT16_LO_DS"}, + {60, "R_PPC64_PLT16_LO_DS"}, + {61, "R_PPC64_SECTOFF_DS"}, + {62, "R_PPC64_SECTOFF_LO_DS"}, + {63, "R_PPC64_TOC16_DS"}, + {64, "R_PPC64_TOC16_LO_DS"}, + {65, "R_PPC64_PLTGOT16_DS"}, + {66, "R_PPC64_PLTGOT_LO_DS"}, + {67, "R_PPC64_TLS"}, + {68, "R_PPC64_DTPMOD64"}, + {69, "R_PPC64_TPREL16"}, + {70, "R_PPC64_TPREL16_LO"}, + {71, "R_PPC64_TPREL16_HI"}, + {72, "R_PPC64_TPREL16_HA"}, + {73, "R_PPC64_TPREL64"}, + {74, "R_PPC64_DTPREL16"}, + {75, "R_PPC64_DTPREL16_LO"}, + {76, "R_PPC64_DTPREL16_HI"}, + {77, "R_PPC64_DTPREL16_HA"}, + {78, "R_PPC64_DTPREL64"}, + {79, "R_PPC64_GOT_TLSGD16"}, + {80, "R_PPC64_GOT_TLSGD16_LO"}, + {81, "R_PPC64_GOT_TLSGD16_HI"}, + {82, "R_PPC64_GOT_TLSGD16_HA"}, + {83, "R_PPC64_GOT_TLSLD16"}, + {84, "R_PPC64_GOT_TLSLD16_LO"}, + {85, "R_PPC64_GOT_TLSLD16_HI"}, + {86, "R_PPC64_GOT_TLSLD16_HA"}, + {87, "R_PPC64_GOT_TPREL16_DS"}, + {88, "R_PPC64_GOT_TPREL16_LO_DS"}, + {89, "R_PPC64_GOT_TPREL16_HI"}, + {90, "R_PPC64_GOT_TPREL16_HA"}, + {91, "R_PPC64_GOT_DTPREL16_DS"}, + {92, "R_PPC64_GOT_DTPREL16_LO_DS"}, + {93, "R_PPC64_GOT_DTPREL16_HI"}, + {94, "R_PPC64_GOT_DTPREL16_HA"}, + {95, "R_PPC64_TPREL16_DS"}, + {96, "R_PPC64_TPREL16_LO_DS"}, + {97, "R_PPC64_TPREL16_HIGHER"}, + {98, "R_PPC64_TPREL16_HIGHERA"}, + {99, "R_PPC64_TPREL16_HIGHEST"}, + {100, "R_PPC64_TPREL16_HIGHESTA"}, + {101, "R_PPC64_DTPREL16_DS"}, + {102, "R_PPC64_DTPREL16_LO_DS"}, + {103, "R_PPC64_DTPREL16_HIGHER"}, + {104, "R_PPC64_DTPREL16_HIGHERA"}, + {105, "R_PPC64_DTPREL16_HIGHEST"}, + {106, "R_PPC64_DTPREL16_HIGHESTA"}, + {107, "R_PPC64_TLSGD"}, + {108, "R_PPC64_TLSLD"}, + {109, "R_PPC64_TOCSAVE"}, + {110, "R_PPC64_ADDR16_HIGH"}, + {111, "R_PPC64_ADDR16_HIGHA"}, + {112, "R_PPC64_TPREL16_HIGH"}, + {113, "R_PPC64_TPREL16_HIGHA"}, + {114, "R_PPC64_DTPREL16_HIGH"}, + {115, "R_PPC64_DTPREL16_HIGHA"}, + {116, "R_PPC64_REL24_NOTOC"}, + {117, "R_PPC64_ADDR64_LOCAL"}, + {118, "R_PPC64_ENTRY"}, + {119, "R_PPC64_PLTSEQ"}, + {120, "R_PPC64_PLTCALL"}, + {121, "R_PPC64_PLTSEQ_NOTOC"}, + {122, "R_PPC64_PLTCALL_NOTOC"}, + {123, "R_PPC64_PCREL_OPT"}, + {124, "R_PPC64_REL24_P9NOTOC"}, + {128, "R_PPC64_D34"}, + {129, "R_PPC64_D34_LO"}, + {130, "R_PPC64_D34_HI30"}, + {131, "R_PPC64_D34_HA30"}, + {132, "R_PPC64_PCREL34"}, + {133, "R_PPC64_GOT_PCREL34"}, + {134, "R_PPC64_PLT_PCREL34"}, + {135, "R_PPC64_PLT_PCREL34_NOTOC"}, + {136, "R_PPC64_ADDR16_HIGHER34"}, + {137, "R_PPC64_ADDR16_HIGHERA34"}, + {138, "R_PPC64_ADDR16_HIGHEST34"}, + {139, "R_PPC64_ADDR16_HIGHESTA34"}, + {140, "R_PPC64_REL16_HIGHER34"}, + {141, "R_PPC64_REL16_HIGHERA34"}, + {142, "R_PPC64_REL16_HIGHEST34"}, + {143, "R_PPC64_REL16_HIGHESTA34"}, + {144, "R_PPC64_D28"}, + {145, "R_PPC64_PCREL28"}, + {146, "R_PPC64_TPREL34"}, + {147, "R_PPC64_DTPREL34"}, + {148, "R_PPC64_GOT_TLSGD_PCREL34"}, + {149, "R_PPC64_GOT_TLSLD_PCREL34"}, + {150, "R_PPC64_GOT_TPREL_PCREL34"}, + {151, "R_PPC64_GOT_DTPREL_PCREL34"}, + {240, "R_PPC64_REL16_HIGH"}, + {241, "R_PPC64_REL16_HIGHA"}, + {242, "R_PPC64_REL16_HIGHER"}, + {243, "R_PPC64_REL16_HIGHERA"}, + {244, "R_PPC64_REL16_HIGHEST"}, + {245, "R_PPC64_REL16_HIGHESTA"}, + {246, "R_PPC64_REL16DX_HA"}, + {247, "R_PPC64_JMP_IREL"}, + {248, "R_PPC64_IRELATIVE"}, + {249, "R_PPC64_REL16"}, + {250, "R_PPC64_REL16_LO"}, + {251, "R_PPC64_REL16_HI"}, + {252, "R_PPC64_REL16_HA"}, + {253, "R_PPC64_GNU_VTINHERIT"}, + {254, "R_PPC64_GNU_VTENTRY"}, +} + +func (i R_PPC64) String() string { return stringName(uint32(i), rppc64Strings, false) } +func (i R_PPC64) GoString() string { return stringName(uint32(i), rppc64Strings, true) } + +// Relocation types for RISC-V processors. +type R_RISCV int + +const ( + R_RISCV_NONE R_RISCV = 0 /* No relocation. */ + R_RISCV_32 R_RISCV = 1 /* Add 32 bit zero extended symbol value */ + R_RISCV_64 R_RISCV = 2 /* Add 64 bit symbol value. */ + R_RISCV_RELATIVE R_RISCV = 3 /* Add load address of shared object. */ + R_RISCV_COPY R_RISCV = 4 /* Copy data from shared object. */ + R_RISCV_JUMP_SLOT R_RISCV = 5 /* Set GOT entry to code address. */ + R_RISCV_TLS_DTPMOD32 R_RISCV = 6 /* 32 bit ID of module containing symbol */ + R_RISCV_TLS_DTPMOD64 R_RISCV = 7 /* ID of module containing symbol */ + R_RISCV_TLS_DTPREL32 R_RISCV = 8 /* 32 bit relative offset in TLS block */ + R_RISCV_TLS_DTPREL64 R_RISCV = 9 /* Relative offset in TLS block */ + R_RISCV_TLS_TPREL32 R_RISCV = 10 /* 32 bit relative offset in static TLS block */ + R_RISCV_TLS_TPREL64 R_RISCV = 11 /* Relative offset in static TLS block */ + R_RISCV_BRANCH R_RISCV = 16 /* PC-relative branch */ + R_RISCV_JAL R_RISCV = 17 /* PC-relative jump */ + R_RISCV_CALL R_RISCV = 18 /* PC-relative call */ + R_RISCV_CALL_PLT R_RISCV = 19 /* PC-relative call (PLT) */ + R_RISCV_GOT_HI20 R_RISCV = 20 /* PC-relative GOT reference */ + R_RISCV_TLS_GOT_HI20 R_RISCV = 21 /* PC-relative TLS IE GOT offset */ + R_RISCV_TLS_GD_HI20 R_RISCV = 22 /* PC-relative TLS GD reference */ + R_RISCV_PCREL_HI20 R_RISCV = 23 /* PC-relative reference */ + R_RISCV_PCREL_LO12_I R_RISCV = 24 /* PC-relative reference */ + R_RISCV_PCREL_LO12_S R_RISCV = 25 /* PC-relative reference */ + R_RISCV_HI20 R_RISCV = 26 /* Absolute address */ + R_RISCV_LO12_I R_RISCV = 27 /* Absolute address */ + R_RISCV_LO12_S R_RISCV = 28 /* Absolute address */ + R_RISCV_TPREL_HI20 R_RISCV = 29 /* TLS LE thread offset */ + R_RISCV_TPREL_LO12_I R_RISCV = 30 /* TLS LE thread offset */ + R_RISCV_TPREL_LO12_S R_RISCV = 31 /* TLS LE thread offset */ + R_RISCV_TPREL_ADD R_RISCV = 32 /* TLS LE thread usage */ + R_RISCV_ADD8 R_RISCV = 33 /* 8-bit label addition */ + R_RISCV_ADD16 R_RISCV = 34 /* 16-bit label addition */ + R_RISCV_ADD32 R_RISCV = 35 /* 32-bit label addition */ + R_RISCV_ADD64 R_RISCV = 36 /* 64-bit label addition */ + R_RISCV_SUB8 R_RISCV = 37 /* 8-bit label subtraction */ + R_RISCV_SUB16 R_RISCV = 38 /* 16-bit label subtraction */ + R_RISCV_SUB32 R_RISCV = 39 /* 32-bit label subtraction */ + R_RISCV_SUB64 R_RISCV = 40 /* 64-bit label subtraction */ + R_RISCV_GNU_VTINHERIT R_RISCV = 41 /* GNU C++ vtable hierarchy */ + R_RISCV_GNU_VTENTRY R_RISCV = 42 /* GNU C++ vtable member usage */ + R_RISCV_ALIGN R_RISCV = 43 /* Alignment statement */ + R_RISCV_RVC_BRANCH R_RISCV = 44 /* PC-relative branch offset */ + R_RISCV_RVC_JUMP R_RISCV = 45 /* PC-relative jump offset */ + R_RISCV_RVC_LUI R_RISCV = 46 /* Absolute address */ + R_RISCV_GPREL_I R_RISCV = 47 /* GP-relative reference */ + R_RISCV_GPREL_S R_RISCV = 48 /* GP-relative reference */ + R_RISCV_TPREL_I R_RISCV = 49 /* TP-relative TLS LE load */ + R_RISCV_TPREL_S R_RISCV = 50 /* TP-relative TLS LE store */ + R_RISCV_RELAX R_RISCV = 51 /* Instruction pair can be relaxed */ + R_RISCV_SUB6 R_RISCV = 52 /* Local label subtraction */ + R_RISCV_SET6 R_RISCV = 53 /* Local label subtraction */ + R_RISCV_SET8 R_RISCV = 54 /* Local label subtraction */ + R_RISCV_SET16 R_RISCV = 55 /* Local label subtraction */ + R_RISCV_SET32 R_RISCV = 56 /* Local label subtraction */ + R_RISCV_32_PCREL R_RISCV = 57 /* 32-bit PC relative */ +) + +var rriscvStrings = []intName{ + {0, "R_RISCV_NONE"}, + {1, "R_RISCV_32"}, + {2, "R_RISCV_64"}, + {3, "R_RISCV_RELATIVE"}, + {4, "R_RISCV_COPY"}, + {5, "R_RISCV_JUMP_SLOT"}, + {6, "R_RISCV_TLS_DTPMOD32"}, + {7, "R_RISCV_TLS_DTPMOD64"}, + {8, "R_RISCV_TLS_DTPREL32"}, + {9, "R_RISCV_TLS_DTPREL64"}, + {10, "R_RISCV_TLS_TPREL32"}, + {11, "R_RISCV_TLS_TPREL64"}, + {16, "R_RISCV_BRANCH"}, + {17, "R_RISCV_JAL"}, + {18, "R_RISCV_CALL"}, + {19, "R_RISCV_CALL_PLT"}, + {20, "R_RISCV_GOT_HI20"}, + {21, "R_RISCV_TLS_GOT_HI20"}, + {22, "R_RISCV_TLS_GD_HI20"}, + {23, "R_RISCV_PCREL_HI20"}, + {24, "R_RISCV_PCREL_LO12_I"}, + {25, "R_RISCV_PCREL_LO12_S"}, + {26, "R_RISCV_HI20"}, + {27, "R_RISCV_LO12_I"}, + {28, "R_RISCV_LO12_S"}, + {29, "R_RISCV_TPREL_HI20"}, + {30, "R_RISCV_TPREL_LO12_I"}, + {31, "R_RISCV_TPREL_LO12_S"}, + {32, "R_RISCV_TPREL_ADD"}, + {33, "R_RISCV_ADD8"}, + {34, "R_RISCV_ADD16"}, + {35, "R_RISCV_ADD32"}, + {36, "R_RISCV_ADD64"}, + {37, "R_RISCV_SUB8"}, + {38, "R_RISCV_SUB16"}, + {39, "R_RISCV_SUB32"}, + {40, "R_RISCV_SUB64"}, + {41, "R_RISCV_GNU_VTINHERIT"}, + {42, "R_RISCV_GNU_VTENTRY"}, + {43, "R_RISCV_ALIGN"}, + {44, "R_RISCV_RVC_BRANCH"}, + {45, "R_RISCV_RVC_JUMP"}, + {46, "R_RISCV_RVC_LUI"}, + {47, "R_RISCV_GPREL_I"}, + {48, "R_RISCV_GPREL_S"}, + {49, "R_RISCV_TPREL_I"}, + {50, "R_RISCV_TPREL_S"}, + {51, "R_RISCV_RELAX"}, + {52, "R_RISCV_SUB6"}, + {53, "R_RISCV_SET6"}, + {54, "R_RISCV_SET8"}, + {55, "R_RISCV_SET16"}, + {56, "R_RISCV_SET32"}, + {57, "R_RISCV_32_PCREL"}, +} + +func (i R_RISCV) String() string { return stringName(uint32(i), rriscvStrings, false) } +func (i R_RISCV) GoString() string { return stringName(uint32(i), rriscvStrings, true) } + +// Relocation types for s390x processors. +type R_390 int + +const ( + R_390_NONE R_390 = 0 + R_390_8 R_390 = 1 + R_390_12 R_390 = 2 + R_390_16 R_390 = 3 + R_390_32 R_390 = 4 + R_390_PC32 R_390 = 5 + R_390_GOT12 R_390 = 6 + R_390_GOT32 R_390 = 7 + R_390_PLT32 R_390 = 8 + R_390_COPY R_390 = 9 + R_390_GLOB_DAT R_390 = 10 + R_390_JMP_SLOT R_390 = 11 + R_390_RELATIVE R_390 = 12 + R_390_GOTOFF R_390 = 13 + R_390_GOTPC R_390 = 14 + R_390_GOT16 R_390 = 15 + R_390_PC16 R_390 = 16 + R_390_PC16DBL R_390 = 17 + R_390_PLT16DBL R_390 = 18 + R_390_PC32DBL R_390 = 19 + R_390_PLT32DBL R_390 = 20 + R_390_GOTPCDBL R_390 = 21 + R_390_64 R_390 = 22 + R_390_PC64 R_390 = 23 + R_390_GOT64 R_390 = 24 + R_390_PLT64 R_390 = 25 + R_390_GOTENT R_390 = 26 + R_390_GOTOFF16 R_390 = 27 + R_390_GOTOFF64 R_390 = 28 + R_390_GOTPLT12 R_390 = 29 + R_390_GOTPLT16 R_390 = 30 + R_390_GOTPLT32 R_390 = 31 + R_390_GOTPLT64 R_390 = 32 + R_390_GOTPLTENT R_390 = 33 + R_390_GOTPLTOFF16 R_390 = 34 + R_390_GOTPLTOFF32 R_390 = 35 + R_390_GOTPLTOFF64 R_390 = 36 + R_390_TLS_LOAD R_390 = 37 + R_390_TLS_GDCALL R_390 = 38 + R_390_TLS_LDCALL R_390 = 39 + R_390_TLS_GD32 R_390 = 40 + R_390_TLS_GD64 R_390 = 41 + R_390_TLS_GOTIE12 R_390 = 42 + R_390_TLS_GOTIE32 R_390 = 43 + R_390_TLS_GOTIE64 R_390 = 44 + R_390_TLS_LDM32 R_390 = 45 + R_390_TLS_LDM64 R_390 = 46 + R_390_TLS_IE32 R_390 = 47 + R_390_TLS_IE64 R_390 = 48 + R_390_TLS_IEENT R_390 = 49 + R_390_TLS_LE32 R_390 = 50 + R_390_TLS_LE64 R_390 = 51 + R_390_TLS_LDO32 R_390 = 52 + R_390_TLS_LDO64 R_390 = 53 + R_390_TLS_DTPMOD R_390 = 54 + R_390_TLS_DTPOFF R_390 = 55 + R_390_TLS_TPOFF R_390 = 56 + R_390_20 R_390 = 57 + R_390_GOT20 R_390 = 58 + R_390_GOTPLT20 R_390 = 59 + R_390_TLS_GOTIE20 R_390 = 60 +) + +var r390Strings = []intName{ + {0, "R_390_NONE"}, + {1, "R_390_8"}, + {2, "R_390_12"}, + {3, "R_390_16"}, + {4, "R_390_32"}, + {5, "R_390_PC32"}, + {6, "R_390_GOT12"}, + {7, "R_390_GOT32"}, + {8, "R_390_PLT32"}, + {9, "R_390_COPY"}, + {10, "R_390_GLOB_DAT"}, + {11, "R_390_JMP_SLOT"}, + {12, "R_390_RELATIVE"}, + {13, "R_390_GOTOFF"}, + {14, "R_390_GOTPC"}, + {15, "R_390_GOT16"}, + {16, "R_390_PC16"}, + {17, "R_390_PC16DBL"}, + {18, "R_390_PLT16DBL"}, + {19, "R_390_PC32DBL"}, + {20, "R_390_PLT32DBL"}, + {21, "R_390_GOTPCDBL"}, + {22, "R_390_64"}, + {23, "R_390_PC64"}, + {24, "R_390_GOT64"}, + {25, "R_390_PLT64"}, + {26, "R_390_GOTENT"}, + {27, "R_390_GOTOFF16"}, + {28, "R_390_GOTOFF64"}, + {29, "R_390_GOTPLT12"}, + {30, "R_390_GOTPLT16"}, + {31, "R_390_GOTPLT32"}, + {32, "R_390_GOTPLT64"}, + {33, "R_390_GOTPLTENT"}, + {34, "R_390_GOTPLTOFF16"}, + {35, "R_390_GOTPLTOFF32"}, + {36, "R_390_GOTPLTOFF64"}, + {37, "R_390_TLS_LOAD"}, + {38, "R_390_TLS_GDCALL"}, + {39, "R_390_TLS_LDCALL"}, + {40, "R_390_TLS_GD32"}, + {41, "R_390_TLS_GD64"}, + {42, "R_390_TLS_GOTIE12"}, + {43, "R_390_TLS_GOTIE32"}, + {44, "R_390_TLS_GOTIE64"}, + {45, "R_390_TLS_LDM32"}, + {46, "R_390_TLS_LDM64"}, + {47, "R_390_TLS_IE32"}, + {48, "R_390_TLS_IE64"}, + {49, "R_390_TLS_IEENT"}, + {50, "R_390_TLS_LE32"}, + {51, "R_390_TLS_LE64"}, + {52, "R_390_TLS_LDO32"}, + {53, "R_390_TLS_LDO64"}, + {54, "R_390_TLS_DTPMOD"}, + {55, "R_390_TLS_DTPOFF"}, + {56, "R_390_TLS_TPOFF"}, + {57, "R_390_20"}, + {58, "R_390_GOT20"}, + {59, "R_390_GOTPLT20"}, + {60, "R_390_TLS_GOTIE20"}, +} + +func (i R_390) String() string { return stringName(uint32(i), r390Strings, false) } +func (i R_390) GoString() string { return stringName(uint32(i), r390Strings, true) } + +// Relocation types for SPARC. +type R_SPARC int + +const ( + R_SPARC_NONE R_SPARC = 0 + R_SPARC_8 R_SPARC = 1 + R_SPARC_16 R_SPARC = 2 + R_SPARC_32 R_SPARC = 3 + R_SPARC_DISP8 R_SPARC = 4 + R_SPARC_DISP16 R_SPARC = 5 + R_SPARC_DISP32 R_SPARC = 6 + R_SPARC_WDISP30 R_SPARC = 7 + R_SPARC_WDISP22 R_SPARC = 8 + R_SPARC_HI22 R_SPARC = 9 + R_SPARC_22 R_SPARC = 10 + R_SPARC_13 R_SPARC = 11 + R_SPARC_LO10 R_SPARC = 12 + R_SPARC_GOT10 R_SPARC = 13 + R_SPARC_GOT13 R_SPARC = 14 + R_SPARC_GOT22 R_SPARC = 15 + R_SPARC_PC10 R_SPARC = 16 + R_SPARC_PC22 R_SPARC = 17 + R_SPARC_WPLT30 R_SPARC = 18 + R_SPARC_COPY R_SPARC = 19 + R_SPARC_GLOB_DAT R_SPARC = 20 + R_SPARC_JMP_SLOT R_SPARC = 21 + R_SPARC_RELATIVE R_SPARC = 22 + R_SPARC_UA32 R_SPARC = 23 + R_SPARC_PLT32 R_SPARC = 24 + R_SPARC_HIPLT22 R_SPARC = 25 + R_SPARC_LOPLT10 R_SPARC = 26 + R_SPARC_PCPLT32 R_SPARC = 27 + R_SPARC_PCPLT22 R_SPARC = 28 + R_SPARC_PCPLT10 R_SPARC = 29 + R_SPARC_10 R_SPARC = 30 + R_SPARC_11 R_SPARC = 31 + R_SPARC_64 R_SPARC = 32 + R_SPARC_OLO10 R_SPARC = 33 + R_SPARC_HH22 R_SPARC = 34 + R_SPARC_HM10 R_SPARC = 35 + R_SPARC_LM22 R_SPARC = 36 + R_SPARC_PC_HH22 R_SPARC = 37 + R_SPARC_PC_HM10 R_SPARC = 38 + R_SPARC_PC_LM22 R_SPARC = 39 + R_SPARC_WDISP16 R_SPARC = 40 + R_SPARC_WDISP19 R_SPARC = 41 + R_SPARC_GLOB_JMP R_SPARC = 42 + R_SPARC_7 R_SPARC = 43 + R_SPARC_5 R_SPARC = 44 + R_SPARC_6 R_SPARC = 45 + R_SPARC_DISP64 R_SPARC = 46 + R_SPARC_PLT64 R_SPARC = 47 + R_SPARC_HIX22 R_SPARC = 48 + R_SPARC_LOX10 R_SPARC = 49 + R_SPARC_H44 R_SPARC = 50 + R_SPARC_M44 R_SPARC = 51 + R_SPARC_L44 R_SPARC = 52 + R_SPARC_REGISTER R_SPARC = 53 + R_SPARC_UA64 R_SPARC = 54 + R_SPARC_UA16 R_SPARC = 55 +) + +var rsparcStrings = []intName{ + {0, "R_SPARC_NONE"}, + {1, "R_SPARC_8"}, + {2, "R_SPARC_16"}, + {3, "R_SPARC_32"}, + {4, "R_SPARC_DISP8"}, + {5, "R_SPARC_DISP16"}, + {6, "R_SPARC_DISP32"}, + {7, "R_SPARC_WDISP30"}, + {8, "R_SPARC_WDISP22"}, + {9, "R_SPARC_HI22"}, + {10, "R_SPARC_22"}, + {11, "R_SPARC_13"}, + {12, "R_SPARC_LO10"}, + {13, "R_SPARC_GOT10"}, + {14, "R_SPARC_GOT13"}, + {15, "R_SPARC_GOT22"}, + {16, "R_SPARC_PC10"}, + {17, "R_SPARC_PC22"}, + {18, "R_SPARC_WPLT30"}, + {19, "R_SPARC_COPY"}, + {20, "R_SPARC_GLOB_DAT"}, + {21, "R_SPARC_JMP_SLOT"}, + {22, "R_SPARC_RELATIVE"}, + {23, "R_SPARC_UA32"}, + {24, "R_SPARC_PLT32"}, + {25, "R_SPARC_HIPLT22"}, + {26, "R_SPARC_LOPLT10"}, + {27, "R_SPARC_PCPLT32"}, + {28, "R_SPARC_PCPLT22"}, + {29, "R_SPARC_PCPLT10"}, + {30, "R_SPARC_10"}, + {31, "R_SPARC_11"}, + {32, "R_SPARC_64"}, + {33, "R_SPARC_OLO10"}, + {34, "R_SPARC_HH22"}, + {35, "R_SPARC_HM10"}, + {36, "R_SPARC_LM22"}, + {37, "R_SPARC_PC_HH22"}, + {38, "R_SPARC_PC_HM10"}, + {39, "R_SPARC_PC_LM22"}, + {40, "R_SPARC_WDISP16"}, + {41, "R_SPARC_WDISP19"}, + {42, "R_SPARC_GLOB_JMP"}, + {43, "R_SPARC_7"}, + {44, "R_SPARC_5"}, + {45, "R_SPARC_6"}, + {46, "R_SPARC_DISP64"}, + {47, "R_SPARC_PLT64"}, + {48, "R_SPARC_HIX22"}, + {49, "R_SPARC_LOX10"}, + {50, "R_SPARC_H44"}, + {51, "R_SPARC_M44"}, + {52, "R_SPARC_L44"}, + {53, "R_SPARC_REGISTER"}, + {54, "R_SPARC_UA64"}, + {55, "R_SPARC_UA16"}, +} + +func (i R_SPARC) String() string { return stringName(uint32(i), rsparcStrings, false) } +func (i R_SPARC) GoString() string { return stringName(uint32(i), rsparcStrings, true) } + +// Magic number for the elf trampoline, chosen wisely to be an immediate value. +const ARM_MAGIC_TRAMP_NUMBER = 0x5c000003 + +// ELF32 File header. +type Header32 struct { + Ident [EI_NIDENT]byte /* File identification. */ + Type uint16 /* File type. */ + Machine uint16 /* Machine architecture. */ + Version uint32 /* ELF format version. */ + Entry uint32 /* Entry point. */ + Phoff uint32 /* Program header file offset. */ + Shoff uint32 /* Section header file offset. */ + Flags uint32 /* Architecture-specific flags. */ + Ehsize uint16 /* Size of ELF header in bytes. */ + Phentsize uint16 /* Size of program header entry. */ + Phnum uint16 /* Number of program header entries. */ + Shentsize uint16 /* Size of section header entry. */ + Shnum uint16 /* Number of section header entries. */ + Shstrndx uint16 /* Section name strings section. */ +} + +// ELF32 Section header. +type Section32 struct { + Name uint32 /* Section name (index into the section header string table). */ + Type uint32 /* Section type. */ + Flags uint32 /* Section flags. */ + Addr uint32 /* Address in memory image. */ + Off uint32 /* Offset in file. */ + Size uint32 /* Size in bytes. */ + Link uint32 /* Index of a related section. */ + Info uint32 /* Depends on section type. */ + Addralign uint32 /* Alignment in bytes. */ + Entsize uint32 /* Size of each entry in section. */ +} + +// ELF32 Program header. +type Prog32 struct { + Type uint32 /* Entry type. */ + Off uint32 /* File offset of contents. */ + Vaddr uint32 /* Virtual address in memory image. */ + Paddr uint32 /* Physical address (not used). */ + Filesz uint32 /* Size of contents in file. */ + Memsz uint32 /* Size of contents in memory. */ + Flags uint32 /* Access permission flags. */ + Align uint32 /* Alignment in memory and file. */ +} + +// ELF32 Dynamic structure. The ".dynamic" section contains an array of them. +type Dyn32 struct { + Tag int32 /* Entry type. */ + Val uint32 /* Integer/Address value. */ +} + +// ELF32 Compression header. +type Chdr32 struct { + Type uint32 + Size uint32 + Addralign uint32 +} + +/* + * Relocation entries. + */ + +// ELF32 Relocations that don't need an addend field. +type Rel32 struct { + Off uint32 /* Location to be relocated. */ + Info uint32 /* Relocation type and symbol index. */ +} + +// ELF32 Relocations that need an addend field. +type Rela32 struct { + Off uint32 /* Location to be relocated. */ + Info uint32 /* Relocation type and symbol index. */ + Addend int32 /* Addend. */ +} + +func R_SYM32(info uint32) uint32 { return info >> 8 } +func R_TYPE32(info uint32) uint32 { return info & 0xff } +func R_INFO32(sym, typ uint32) uint32 { return sym<<8 | typ } + +// ELF32 Symbol. +type Sym32 struct { + Name uint32 + Value uint32 + Size uint32 + Info uint8 + Other uint8 + Shndx uint16 +} + +const Sym32Size = 16 + +func ST_BIND(info uint8) SymBind { return SymBind(info >> 4) } +func ST_TYPE(info uint8) SymType { return SymType(info & 0xF) } +func ST_INFO(bind SymBind, typ SymType) uint8 { + return uint8(bind)<<4 | uint8(typ)&0xf +} +func ST_VISIBILITY(other uint8) SymVis { return SymVis(other & 3) } + +/* + * ELF64 + */ + +// ELF64 file header. +type Header64 struct { + Ident [EI_NIDENT]byte /* File identification. */ + Type uint16 /* File type. */ + Machine uint16 /* Machine architecture. */ + Version uint32 /* ELF format version. */ + Entry uint64 /* Entry point. */ + Phoff uint64 /* Program header file offset. */ + Shoff uint64 /* Section header file offset. */ + Flags uint32 /* Architecture-specific flags. */ + Ehsize uint16 /* Size of ELF header in bytes. */ + Phentsize uint16 /* Size of program header entry. */ + Phnum uint16 /* Number of program header entries. */ + Shentsize uint16 /* Size of section header entry. */ + Shnum uint16 /* Number of section header entries. */ + Shstrndx uint16 /* Section name strings section. */ +} + +// ELF64 Section header. +type Section64 struct { + Name uint32 /* Section name (index into the section header string table). */ + Type uint32 /* Section type. */ + Flags uint64 /* Section flags. */ + Addr uint64 /* Address in memory image. */ + Off uint64 /* Offset in file. */ + Size uint64 /* Size in bytes. */ + Link uint32 /* Index of a related section. */ + Info uint32 /* Depends on section type. */ + Addralign uint64 /* Alignment in bytes. */ + Entsize uint64 /* Size of each entry in section. */ +} + +// ELF64 Program header. +type Prog64 struct { + Type uint32 /* Entry type. */ + Flags uint32 /* Access permission flags. */ + Off uint64 /* File offset of contents. */ + Vaddr uint64 /* Virtual address in memory image. */ + Paddr uint64 /* Physical address (not used). */ + Filesz uint64 /* Size of contents in file. */ + Memsz uint64 /* Size of contents in memory. */ + Align uint64 /* Alignment in memory and file. */ +} + +// ELF64 Dynamic structure. The ".dynamic" section contains an array of them. +type Dyn64 struct { + Tag int64 /* Entry type. */ + Val uint64 /* Integer/address value */ +} + +// ELF64 Compression header. +type Chdr64 struct { + Type uint32 + _ uint32 /* Reserved. */ + Size uint64 + Addralign uint64 +} + +/* + * Relocation entries. + */ + +/* ELF64 relocations that don't need an addend field. */ +type Rel64 struct { + Off uint64 /* Location to be relocated. */ + Info uint64 /* Relocation type and symbol index. */ +} + +/* ELF64 relocations that need an addend field. */ +type Rela64 struct { + Off uint64 /* Location to be relocated. */ + Info uint64 /* Relocation type and symbol index. */ + Addend int64 /* Addend. */ +} + +func R_SYM64(info uint64) uint32 { return uint32(info >> 32) } +func R_TYPE64(info uint64) uint32 { return uint32(info) } +func R_INFO(sym, typ uint32) uint64 { return uint64(sym)<<32 | uint64(typ) } + +// ELF64 symbol table entries. +type Sym64 struct { + Name uint32 /* String table index of name. */ + Info uint8 /* Type and binding information. */ + Other uint8 /* Reserved (not used). */ + Shndx uint16 /* Section index of symbol. */ + Value uint64 /* Symbol value. */ + Size uint64 /* Size of associated object. */ +} + +const Sym64Size = 24 + +type intName struct { + i uint32 + s string +} + +func stringName(i uint32, names []intName, goSyntax bool) string { + for _, n := range names { + if n.i == i { + if goSyntax { + return "elf." + n.s + } + return n.s + } + } + + // second pass - look for smaller to add with. + // assume sorted already + for j := len(names) - 1; j >= 0; j-- { + n := names[j] + if n.i < i { + s := n.s + if goSyntax { + s = "elf." + s + } + return s + "+" + strconv.FormatUint(uint64(i-n.i), 10) + } + } + + return strconv.FormatUint(uint64(i), 10) +} + +func flagName(i uint32, names []intName, goSyntax bool) string { + s := "" + for _, n := range names { + if n.i&i == n.i { + if len(s) > 0 { + s += "+" + } + if goSyntax { + s += "elf." + } + s += n.s + i -= n.i + } + } + if len(s) == 0 { + return "0x" + strconv.FormatUint(uint64(i), 16) + } + if i != 0 { + s += "+0x" + strconv.FormatUint(uint64(i), 16) + } + return s +} diff --git a/src/debug/elf/elf_test.go b/src/debug/elf/elf_test.go new file mode 100644 index 0000000..0350d53 --- /dev/null +++ b/src/debug/elf/elf_test.go @@ -0,0 +1,51 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package elf + +import ( + "fmt" + "testing" +) + +type nameTest struct { + val any + str string +} + +var nameTests = []nameTest{ + {ELFOSABI_LINUX, "ELFOSABI_LINUX"}, + {ET_EXEC, "ET_EXEC"}, + {EM_860, "EM_860"}, + {SHN_LOPROC, "SHN_LOPROC"}, + {SHT_PROGBITS, "SHT_PROGBITS"}, + {SHF_MERGE + SHF_TLS, "SHF_MERGE+SHF_TLS"}, + {PT_LOAD, "PT_LOAD"}, + {PF_W + PF_R + 0x50, "PF_W+PF_R+0x50"}, + {DT_SYMBOLIC, "DT_SYMBOLIC"}, + {DF_BIND_NOW, "DF_BIND_NOW"}, + {DF_1_PIE, "DF_1_PIE"}, + {NT_FPREGSET, "NT_FPREGSET"}, + {STB_GLOBAL, "STB_GLOBAL"}, + {STT_COMMON, "STT_COMMON"}, + {STV_HIDDEN, "STV_HIDDEN"}, + {R_X86_64_PC32, "R_X86_64_PC32"}, + {R_ALPHA_OP_PUSH, "R_ALPHA_OP_PUSH"}, + {R_ARM_THM_ABS5, "R_ARM_THM_ABS5"}, + {R_386_GOT32, "R_386_GOT32"}, + {R_PPC_GOT16_HI, "R_PPC_GOT16_HI"}, + {R_SPARC_GOT22, "R_SPARC_GOT22"}, + {ET_LOOS + 5, "ET_LOOS+5"}, + {ProgFlag(0x50), "0x50"}, + {COMPRESS_ZLIB + 2, "COMPRESS_ZSTD+1"}, +} + +func TestNames(t *testing.T) { + for i, tt := range nameTests { + s := fmt.Sprint(tt.val) + if s != tt.str { + t.Errorf("#%d: Sprint(%d) = %q, want %q", i, tt.val, s, tt.str) + } + } +} diff --git a/src/debug/elf/file.go b/src/debug/elf/file.go new file mode 100644 index 0000000..7485337 --- /dev/null +++ b/src/debug/elf/file.go @@ -0,0 +1,1676 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +/* +Package elf implements access to ELF object files. + +# Security + +This package is not designed to be hardened against adversarial inputs, and is +outside the scope of https://go.dev/security/policy. In particular, only basic +validation is done when parsing object files. As such, care should be taken when +parsing untrusted inputs, as parsing malformed files may consume significant +resources, or cause panics. +*/ +package elf + +import ( + "bytes" + "compress/zlib" + "debug/dwarf" + "encoding/binary" + "errors" + "fmt" + "internal/saferio" + "internal/zstd" + "io" + "os" + "strings" +) + +// seekStart, seekCurrent, seekEnd are copies of +// io.SeekStart, io.SeekCurrent, and io.SeekEnd. +// We can't use the ones from package io because +// we want this code to build with Go 1.4 during +// cmd/dist bootstrap. +const ( + seekStart int = 0 + seekCurrent int = 1 + seekEnd int = 2 +) + +// TODO: error reporting detail + +/* + * Internal ELF representation + */ + +// A FileHeader represents an ELF file header. +type FileHeader struct { + Class Class + Data Data + Version Version + OSABI OSABI + ABIVersion uint8 + ByteOrder binary.ByteOrder + Type Type + Machine Machine + Entry uint64 +} + +// A File represents an open ELF file. +type File struct { + FileHeader + Sections []*Section + Progs []*Prog + closer io.Closer + gnuNeed []verneed + gnuVersym []byte +} + +// A SectionHeader represents a single ELF section header. +type SectionHeader struct { + Name string + Type SectionType + Flags SectionFlag + Addr uint64 + Offset uint64 + Size uint64 + Link uint32 + Info uint32 + Addralign uint64 + Entsize uint64 + + // FileSize is the size of this section in the file in bytes. + // If a section is compressed, FileSize is the size of the + // compressed data, while Size (above) is the size of the + // uncompressed data. + FileSize uint64 +} + +// A Section represents a single section in an ELF file. +type Section struct { + SectionHeader + + // Embed ReaderAt for ReadAt method. + // Do not embed SectionReader directly + // to avoid having Read and Seek. + // If a client wants Read and Seek it must use + // Open() to avoid fighting over the seek offset + // with other clients. + // + // ReaderAt may be nil if the section is not easily available + // in a random-access form. For example, a compressed section + // may have a nil ReaderAt. + io.ReaderAt + sr *io.SectionReader + + compressionType CompressionType + compressionOffset int64 +} + +// Data reads and returns the contents of the ELF section. +// Even if the section is stored compressed in the ELF file, +// Data returns uncompressed data. +// +// For an SHT_NOBITS section, Data always returns a non-nil error. +func (s *Section) Data() ([]byte, error) { + return saferio.ReadData(s.Open(), s.Size) +} + +// stringTable reads and returns the string table given by the +// specified link value. +func (f *File) stringTable(link uint32) ([]byte, error) { + if link <= 0 || link >= uint32(len(f.Sections)) { + return nil, errors.New("section has invalid string table link") + } + return f.Sections[link].Data() +} + +// Open returns a new ReadSeeker reading the ELF section. +// Even if the section is stored compressed in the ELF file, +// the ReadSeeker reads uncompressed data. +// +// For an SHT_NOBITS section, all calls to the opened reader +// will return a non-nil error. +func (s *Section) Open() io.ReadSeeker { + if s.Type == SHT_NOBITS { + return io.NewSectionReader(&nobitsSectionReader{}, 0, int64(s.Size)) + } + + var zrd func(io.Reader) (io.ReadCloser, error) + if s.Flags&SHF_COMPRESSED == 0 { + + if !strings.HasPrefix(s.Name, ".zdebug") { + return io.NewSectionReader(s.sr, 0, 1<<63-1) + } + + b := make([]byte, 12) + n, _ := s.sr.ReadAt(b, 0) + if n != 12 || string(b[:4]) != "ZLIB" { + return io.NewSectionReader(s.sr, 0, 1<<63-1) + } + + s.compressionOffset = 12 + s.compressionType = COMPRESS_ZLIB + s.Size = binary.BigEndian.Uint64(b[4:12]) + zrd = zlib.NewReader + + } else if s.Flags&SHF_ALLOC != 0 { + return errorReader{&FormatError{int64(s.Offset), + "SHF_COMPRESSED applies only to non-allocable sections", s.compressionType}} + } + + switch s.compressionType { + case COMPRESS_ZLIB: + zrd = zlib.NewReader + case COMPRESS_ZSTD: + zrd = func(r io.Reader) (io.ReadCloser, error) { + return io.NopCloser(zstd.NewReader(r)), nil + } + } + + if zrd == nil { + return errorReader{&FormatError{int64(s.Offset), "unknown compression type", s.compressionType}} + } + + return &readSeekerFromReader{ + reset: func() (io.Reader, error) { + fr := io.NewSectionReader(s.sr, s.compressionOffset, int64(s.FileSize)-s.compressionOffset) + return zrd(fr) + }, + size: int64(s.Size), + } +} + +// A ProgHeader represents a single ELF program header. +type ProgHeader struct { + Type ProgType + Flags ProgFlag + Off uint64 + Vaddr uint64 + Paddr uint64 + Filesz uint64 + Memsz uint64 + Align uint64 +} + +// A Prog represents a single ELF program header in an ELF binary. +type Prog struct { + ProgHeader + + // Embed ReaderAt for ReadAt method. + // Do not embed SectionReader directly + // to avoid having Read and Seek. + // If a client wants Read and Seek it must use + // Open() to avoid fighting over the seek offset + // with other clients. + io.ReaderAt + sr *io.SectionReader +} + +// Open returns a new ReadSeeker reading the ELF program body. +func (p *Prog) Open() io.ReadSeeker { return io.NewSectionReader(p.sr, 0, 1<<63-1) } + +// A Symbol represents an entry in an ELF symbol table section. +type Symbol struct { + Name string + Info, Other byte + Section SectionIndex + Value, Size uint64 + + // Version and Library are present only for the dynamic symbol + // table. + Version string + Library string +} + +/* + * ELF reader + */ + +type FormatError struct { + off int64 + msg string + val any +} + +func (e *FormatError) Error() string { + msg := e.msg + if e.val != nil { + msg += fmt.Sprintf(" '%v' ", e.val) + } + msg += fmt.Sprintf("in record at byte %#x", e.off) + return msg +} + +// Open opens the named file using os.Open and prepares it for use as an ELF binary. +func Open(name string) (*File, error) { + f, err := os.Open(name) + if err != nil { + return nil, err + } + ff, err := NewFile(f) + if err != nil { + f.Close() + return nil, err + } + ff.closer = f + return ff, nil +} + +// Close closes the File. +// If the File was created using NewFile directly instead of Open, +// Close has no effect. +func (f *File) Close() error { + var err error + if f.closer != nil { + err = f.closer.Close() + f.closer = nil + } + return err +} + +// SectionByType returns the first section in f with the +// given type, or nil if there is no such section. +func (f *File) SectionByType(typ SectionType) *Section { + for _, s := range f.Sections { + if s.Type == typ { + return s + } + } + return nil +} + +// NewFile creates a new File for accessing an ELF binary in an underlying reader. +// The ELF binary is expected to start at position 0 in the ReaderAt. +func NewFile(r io.ReaderAt) (*File, error) { + sr := io.NewSectionReader(r, 0, 1<<63-1) + // Read and decode ELF identifier + var ident [16]uint8 + if _, err := r.ReadAt(ident[0:], 0); err != nil { + return nil, err + } + if ident[0] != '\x7f' || ident[1] != 'E' || ident[2] != 'L' || ident[3] != 'F' { + return nil, &FormatError{0, "bad magic number", ident[0:4]} + } + + f := new(File) + f.Class = Class(ident[EI_CLASS]) + switch f.Class { + case ELFCLASS32: + case ELFCLASS64: + // ok + default: + return nil, &FormatError{0, "unknown ELF class", f.Class} + } + + f.Data = Data(ident[EI_DATA]) + switch f.Data { + case ELFDATA2LSB: + f.ByteOrder = binary.LittleEndian + case ELFDATA2MSB: + f.ByteOrder = binary.BigEndian + default: + return nil, &FormatError{0, "unknown ELF data encoding", f.Data} + } + + f.Version = Version(ident[EI_VERSION]) + if f.Version != EV_CURRENT { + return nil, &FormatError{0, "unknown ELF version", f.Version} + } + + f.OSABI = OSABI(ident[EI_OSABI]) + f.ABIVersion = ident[EI_ABIVERSION] + + // Read ELF file header + var phoff int64 + var phentsize, phnum int + var shoff int64 + var shentsize, shnum, shstrndx int + switch f.Class { + case ELFCLASS32: + hdr := new(Header32) + sr.Seek(0, seekStart) + if err := binary.Read(sr, f.ByteOrder, hdr); err != nil { + return nil, err + } + f.Type = Type(hdr.Type) + f.Machine = Machine(hdr.Machine) + f.Entry = uint64(hdr.Entry) + if v := Version(hdr.Version); v != f.Version { + return nil, &FormatError{0, "mismatched ELF version", v} + } + phoff = int64(hdr.Phoff) + phentsize = int(hdr.Phentsize) + phnum = int(hdr.Phnum) + shoff = int64(hdr.Shoff) + shentsize = int(hdr.Shentsize) + shnum = int(hdr.Shnum) + shstrndx = int(hdr.Shstrndx) + case ELFCLASS64: + hdr := new(Header64) + sr.Seek(0, seekStart) + if err := binary.Read(sr, f.ByteOrder, hdr); err != nil { + return nil, err + } + f.Type = Type(hdr.Type) + f.Machine = Machine(hdr.Machine) + f.Entry = hdr.Entry + if v := Version(hdr.Version); v != f.Version { + return nil, &FormatError{0, "mismatched ELF version", v} + } + phoff = int64(hdr.Phoff) + phentsize = int(hdr.Phentsize) + phnum = int(hdr.Phnum) + shoff = int64(hdr.Shoff) + shentsize = int(hdr.Shentsize) + shnum = int(hdr.Shnum) + shstrndx = int(hdr.Shstrndx) + } + + if shoff < 0 { + return nil, &FormatError{0, "invalid shoff", shoff} + } + if phoff < 0 { + return nil, &FormatError{0, "invalid phoff", phoff} + } + + if shoff == 0 && shnum != 0 { + return nil, &FormatError{0, "invalid ELF shnum for shoff=0", shnum} + } + + if shnum > 0 && shstrndx >= shnum { + return nil, &FormatError{0, "invalid ELF shstrndx", shstrndx} + } + + var wantPhentsize, wantShentsize int + switch f.Class { + case ELFCLASS32: + wantPhentsize = 8 * 4 + wantShentsize = 10 * 4 + case ELFCLASS64: + wantPhentsize = 2*4 + 6*8 + wantShentsize = 4*4 + 6*8 + } + if phnum > 0 && phentsize < wantPhentsize { + return nil, &FormatError{0, "invalid ELF phentsize", phentsize} + } + + // Read program headers + f.Progs = make([]*Prog, phnum) + for i := 0; i < phnum; i++ { + off := phoff + int64(i)*int64(phentsize) + sr.Seek(off, seekStart) + p := new(Prog) + switch f.Class { + case ELFCLASS32: + ph := new(Prog32) + if err := binary.Read(sr, f.ByteOrder, ph); err != nil { + return nil, err + } + p.ProgHeader = ProgHeader{ + Type: ProgType(ph.Type), + Flags: ProgFlag(ph.Flags), + Off: uint64(ph.Off), + Vaddr: uint64(ph.Vaddr), + Paddr: uint64(ph.Paddr), + Filesz: uint64(ph.Filesz), + Memsz: uint64(ph.Memsz), + Align: uint64(ph.Align), + } + case ELFCLASS64: + ph := new(Prog64) + if err := binary.Read(sr, f.ByteOrder, ph); err != nil { + return nil, err + } + p.ProgHeader = ProgHeader{ + Type: ProgType(ph.Type), + Flags: ProgFlag(ph.Flags), + Off: ph.Off, + Vaddr: ph.Vaddr, + Paddr: ph.Paddr, + Filesz: ph.Filesz, + Memsz: ph.Memsz, + Align: ph.Align, + } + } + if int64(p.Off) < 0 { + return nil, &FormatError{off, "invalid program header offset", p.Off} + } + if int64(p.Filesz) < 0 { + return nil, &FormatError{off, "invalid program header file size", p.Filesz} + } + p.sr = io.NewSectionReader(r, int64(p.Off), int64(p.Filesz)) + p.ReaderAt = p.sr + f.Progs[i] = p + } + + // If the number of sections is greater than or equal to SHN_LORESERVE + // (0xff00), shnum has the value zero and the actual number of section + // header table entries is contained in the sh_size field of the section + // header at index 0. + if shoff > 0 && shnum == 0 { + var typ, link uint32 + sr.Seek(shoff, seekStart) + switch f.Class { + case ELFCLASS32: + sh := new(Section32) + if err := binary.Read(sr, f.ByteOrder, sh); err != nil { + return nil, err + } + shnum = int(sh.Size) + typ = sh.Type + link = sh.Link + case ELFCLASS64: + sh := new(Section64) + if err := binary.Read(sr, f.ByteOrder, sh); err != nil { + return nil, err + } + shnum = int(sh.Size) + typ = sh.Type + link = sh.Link + } + if SectionType(typ) != SHT_NULL { + return nil, &FormatError{shoff, "invalid type of the initial section", SectionType(typ)} + } + + if shnum < int(SHN_LORESERVE) { + return nil, &FormatError{shoff, "invalid ELF shnum contained in sh_size", shnum} + } + + // If the section name string table section index is greater than or + // equal to SHN_LORESERVE (0xff00), this member has the value + // SHN_XINDEX (0xffff) and the actual index of the section name + // string table section is contained in the sh_link field of the + // section header at index 0. + if shstrndx == int(SHN_XINDEX) { + shstrndx = int(link) + if shstrndx < int(SHN_LORESERVE) { + return nil, &FormatError{shoff, "invalid ELF shstrndx contained in sh_link", shstrndx} + } + } + } + + if shnum > 0 && shentsize < wantShentsize { + return nil, &FormatError{0, "invalid ELF shentsize", shentsize} + } + + // Read section headers + c := saferio.SliceCap((*Section)(nil), uint64(shnum)) + if c < 0 { + return nil, &FormatError{0, "too many sections", shnum} + } + f.Sections = make([]*Section, 0, c) + names := make([]uint32, 0, c) + for i := 0; i < shnum; i++ { + off := shoff + int64(i)*int64(shentsize) + sr.Seek(off, seekStart) + s := new(Section) + switch f.Class { + case ELFCLASS32: + sh := new(Section32) + if err := binary.Read(sr, f.ByteOrder, sh); err != nil { + return nil, err + } + names = append(names, sh.Name) + s.SectionHeader = SectionHeader{ + Type: SectionType(sh.Type), + Flags: SectionFlag(sh.Flags), + Addr: uint64(sh.Addr), + Offset: uint64(sh.Off), + FileSize: uint64(sh.Size), + Link: sh.Link, + Info: sh.Info, + Addralign: uint64(sh.Addralign), + Entsize: uint64(sh.Entsize), + } + case ELFCLASS64: + sh := new(Section64) + if err := binary.Read(sr, f.ByteOrder, sh); err != nil { + return nil, err + } + names = append(names, sh.Name) + s.SectionHeader = SectionHeader{ + Type: SectionType(sh.Type), + Flags: SectionFlag(sh.Flags), + Offset: sh.Off, + FileSize: sh.Size, + Addr: sh.Addr, + Link: sh.Link, + Info: sh.Info, + Addralign: sh.Addralign, + Entsize: sh.Entsize, + } + } + if int64(s.Offset) < 0 { + return nil, &FormatError{off, "invalid section offset", int64(s.Offset)} + } + if int64(s.FileSize) < 0 { + return nil, &FormatError{off, "invalid section size", int64(s.FileSize)} + } + s.sr = io.NewSectionReader(r, int64(s.Offset), int64(s.FileSize)) + + if s.Flags&SHF_COMPRESSED == 0 { + s.ReaderAt = s.sr + s.Size = s.FileSize + } else { + // Read the compression header. + switch f.Class { + case ELFCLASS32: + ch := new(Chdr32) + if err := binary.Read(s.sr, f.ByteOrder, ch); err != nil { + return nil, err + } + s.compressionType = CompressionType(ch.Type) + s.Size = uint64(ch.Size) + s.Addralign = uint64(ch.Addralign) + s.compressionOffset = int64(binary.Size(ch)) + case ELFCLASS64: + ch := new(Chdr64) + if err := binary.Read(s.sr, f.ByteOrder, ch); err != nil { + return nil, err + } + s.compressionType = CompressionType(ch.Type) + s.Size = ch.Size + s.Addralign = ch.Addralign + s.compressionOffset = int64(binary.Size(ch)) + } + } + + f.Sections = append(f.Sections, s) + } + + if len(f.Sections) == 0 { + return f, nil + } + + // Load section header string table. + if shstrndx == 0 { + // If the file has no section name string table, + // shstrndx holds the value SHN_UNDEF (0). + return f, nil + } + shstr := f.Sections[shstrndx] + if shstr.Type != SHT_STRTAB { + return nil, &FormatError{shoff + int64(shstrndx*shentsize), "invalid ELF section name string table type", shstr.Type} + } + shstrtab, err := shstr.Data() + if err != nil { + return nil, err + } + for i, s := range f.Sections { + var ok bool + s.Name, ok = getString(shstrtab, int(names[i])) + if !ok { + return nil, &FormatError{shoff + int64(i*shentsize), "bad section name index", names[i]} + } + } + + return f, nil +} + +// getSymbols returns a slice of Symbols from parsing the symbol table +// with the given type, along with the associated string table. +func (f *File) getSymbols(typ SectionType) ([]Symbol, []byte, error) { + switch f.Class { + case ELFCLASS64: + return f.getSymbols64(typ) + + case ELFCLASS32: + return f.getSymbols32(typ) + } + + return nil, nil, errors.New("not implemented") +} + +// ErrNoSymbols is returned by File.Symbols and File.DynamicSymbols +// if there is no such section in the File. +var ErrNoSymbols = errors.New("no symbol section") + +func (f *File) getSymbols32(typ SectionType) ([]Symbol, []byte, error) { + symtabSection := f.SectionByType(typ) + if symtabSection == nil { + return nil, nil, ErrNoSymbols + } + + data, err := symtabSection.Data() + if err != nil { + return nil, nil, fmt.Errorf("cannot load symbol section: %w", err) + } + symtab := bytes.NewReader(data) + if symtab.Len()%Sym32Size != 0 { + return nil, nil, errors.New("length of symbol section is not a multiple of SymSize") + } + + strdata, err := f.stringTable(symtabSection.Link) + if err != nil { + return nil, nil, fmt.Errorf("cannot load string table section: %w", err) + } + + // The first entry is all zeros. + var skip [Sym32Size]byte + symtab.Read(skip[:]) + + symbols := make([]Symbol, symtab.Len()/Sym32Size) + + i := 0 + var sym Sym32 + for symtab.Len() > 0 { + binary.Read(symtab, f.ByteOrder, &sym) + str, _ := getString(strdata, int(sym.Name)) + symbols[i].Name = str + symbols[i].Info = sym.Info + symbols[i].Other = sym.Other + symbols[i].Section = SectionIndex(sym.Shndx) + symbols[i].Value = uint64(sym.Value) + symbols[i].Size = uint64(sym.Size) + i++ + } + + return symbols, strdata, nil +} + +func (f *File) getSymbols64(typ SectionType) ([]Symbol, []byte, error) { + symtabSection := f.SectionByType(typ) + if symtabSection == nil { + return nil, nil, ErrNoSymbols + } + + data, err := symtabSection.Data() + if err != nil { + return nil, nil, fmt.Errorf("cannot load symbol section: %w", err) + } + symtab := bytes.NewReader(data) + if symtab.Len()%Sym64Size != 0 { + return nil, nil, errors.New("length of symbol section is not a multiple of Sym64Size") + } + + strdata, err := f.stringTable(symtabSection.Link) + if err != nil { + return nil, nil, fmt.Errorf("cannot load string table section: %w", err) + } + + // The first entry is all zeros. + var skip [Sym64Size]byte + symtab.Read(skip[:]) + + symbols := make([]Symbol, symtab.Len()/Sym64Size) + + i := 0 + var sym Sym64 + for symtab.Len() > 0 { + binary.Read(symtab, f.ByteOrder, &sym) + str, _ := getString(strdata, int(sym.Name)) + symbols[i].Name = str + symbols[i].Info = sym.Info + symbols[i].Other = sym.Other + symbols[i].Section = SectionIndex(sym.Shndx) + symbols[i].Value = sym.Value + symbols[i].Size = sym.Size + i++ + } + + return symbols, strdata, nil +} + +// getString extracts a string from an ELF string table. +func getString(section []byte, start int) (string, bool) { + if start < 0 || start >= len(section) { + return "", false + } + + for end := start; end < len(section); end++ { + if section[end] == 0 { + return string(section[start:end]), true + } + } + return "", false +} + +// Section returns a section with the given name, or nil if no such +// section exists. +func (f *File) Section(name string) *Section { + for _, s := range f.Sections { + if s.Name == name { + return s + } + } + return nil +} + +// applyRelocations applies relocations to dst. rels is a relocations section +// in REL or RELA format. +func (f *File) applyRelocations(dst []byte, rels []byte) error { + switch { + case f.Class == ELFCLASS64 && f.Machine == EM_X86_64: + return f.applyRelocationsAMD64(dst, rels) + case f.Class == ELFCLASS32 && f.Machine == EM_386: + return f.applyRelocations386(dst, rels) + case f.Class == ELFCLASS32 && f.Machine == EM_ARM: + return f.applyRelocationsARM(dst, rels) + case f.Class == ELFCLASS64 && f.Machine == EM_AARCH64: + return f.applyRelocationsARM64(dst, rels) + case f.Class == ELFCLASS32 && f.Machine == EM_PPC: + return f.applyRelocationsPPC(dst, rels) + case f.Class == ELFCLASS64 && f.Machine == EM_PPC64: + return f.applyRelocationsPPC64(dst, rels) + case f.Class == ELFCLASS32 && f.Machine == EM_MIPS: + return f.applyRelocationsMIPS(dst, rels) + case f.Class == ELFCLASS64 && f.Machine == EM_MIPS: + return f.applyRelocationsMIPS64(dst, rels) + case f.Class == ELFCLASS64 && f.Machine == EM_LOONGARCH: + return f.applyRelocationsLOONG64(dst, rels) + case f.Class == ELFCLASS64 && f.Machine == EM_RISCV: + return f.applyRelocationsRISCV64(dst, rels) + case f.Class == ELFCLASS64 && f.Machine == EM_S390: + return f.applyRelocationss390x(dst, rels) + case f.Class == ELFCLASS64 && f.Machine == EM_SPARCV9: + return f.applyRelocationsSPARC64(dst, rels) + default: + return errors.New("applyRelocations: not implemented") + } +} + +// canApplyRelocation reports whether we should try to apply a +// relocation to a DWARF data section, given a pointer to the symbol +// targeted by the relocation. +// Most relocations in DWARF data tend to be section-relative, but +// some target non-section symbols (for example, low_PC attrs on +// subprogram or compilation unit DIEs that target function symbols). +func canApplyRelocation(sym *Symbol) bool { + return sym.Section != SHN_UNDEF && sym.Section < SHN_LORESERVE +} + +func (f *File) applyRelocationsAMD64(dst []byte, rels []byte) error { + // 24 is the size of Rela64. + if len(rels)%24 != 0 { + return errors.New("length of relocation section is not a multiple of 24") + } + + symbols, _, err := f.getSymbols(SHT_SYMTAB) + if err != nil { + return err + } + + b := bytes.NewReader(rels) + var rela Rela64 + + for b.Len() > 0 { + binary.Read(b, f.ByteOrder, &rela) + symNo := rela.Info >> 32 + t := R_X86_64(rela.Info & 0xffff) + + if symNo == 0 || symNo > uint64(len(symbols)) { + continue + } + sym := &symbols[symNo-1] + if !canApplyRelocation(sym) { + continue + } + + // There are relocations, so this must be a normal + // object file. The code below handles only basic relocations + // of the form S + A (symbol plus addend). + + switch t { + case R_X86_64_64: + if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val64 := sym.Value + uint64(rela.Addend) + f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64) + case R_X86_64_32: + if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val32 := uint32(sym.Value) + uint32(rela.Addend) + f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32) + } + } + + return nil +} + +func (f *File) applyRelocations386(dst []byte, rels []byte) error { + // 8 is the size of Rel32. + if len(rels)%8 != 0 { + return errors.New("length of relocation section is not a multiple of 8") + } + + symbols, _, err := f.getSymbols(SHT_SYMTAB) + if err != nil { + return err + } + + b := bytes.NewReader(rels) + var rel Rel32 + + for b.Len() > 0 { + binary.Read(b, f.ByteOrder, &rel) + symNo := rel.Info >> 8 + t := R_386(rel.Info & 0xff) + + if symNo == 0 || symNo > uint32(len(symbols)) { + continue + } + sym := &symbols[symNo-1] + + if t == R_386_32 { + if rel.Off+4 >= uint32(len(dst)) { + continue + } + val := f.ByteOrder.Uint32(dst[rel.Off : rel.Off+4]) + val += uint32(sym.Value) + f.ByteOrder.PutUint32(dst[rel.Off:rel.Off+4], val) + } + } + + return nil +} + +func (f *File) applyRelocationsARM(dst []byte, rels []byte) error { + // 8 is the size of Rel32. + if len(rels)%8 != 0 { + return errors.New("length of relocation section is not a multiple of 8") + } + + symbols, _, err := f.getSymbols(SHT_SYMTAB) + if err != nil { + return err + } + + b := bytes.NewReader(rels) + var rel Rel32 + + for b.Len() > 0 { + binary.Read(b, f.ByteOrder, &rel) + symNo := rel.Info >> 8 + t := R_ARM(rel.Info & 0xff) + + if symNo == 0 || symNo > uint32(len(symbols)) { + continue + } + sym := &symbols[symNo-1] + + switch t { + case R_ARM_ABS32: + if rel.Off+4 >= uint32(len(dst)) { + continue + } + val := f.ByteOrder.Uint32(dst[rel.Off : rel.Off+4]) + val += uint32(sym.Value) + f.ByteOrder.PutUint32(dst[rel.Off:rel.Off+4], val) + } + } + + return nil +} + +func (f *File) applyRelocationsARM64(dst []byte, rels []byte) error { + // 24 is the size of Rela64. + if len(rels)%24 != 0 { + return errors.New("length of relocation section is not a multiple of 24") + } + + symbols, _, err := f.getSymbols(SHT_SYMTAB) + if err != nil { + return err + } + + b := bytes.NewReader(rels) + var rela Rela64 + + for b.Len() > 0 { + binary.Read(b, f.ByteOrder, &rela) + symNo := rela.Info >> 32 + t := R_AARCH64(rela.Info & 0xffff) + + if symNo == 0 || symNo > uint64(len(symbols)) { + continue + } + sym := &symbols[symNo-1] + if !canApplyRelocation(sym) { + continue + } + + // There are relocations, so this must be a normal + // object file. The code below handles only basic relocations + // of the form S + A (symbol plus addend). + + switch t { + case R_AARCH64_ABS64: + if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val64 := sym.Value + uint64(rela.Addend) + f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64) + case R_AARCH64_ABS32: + if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val32 := uint32(sym.Value) + uint32(rela.Addend) + f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32) + } + } + + return nil +} + +func (f *File) applyRelocationsPPC(dst []byte, rels []byte) error { + // 12 is the size of Rela32. + if len(rels)%12 != 0 { + return errors.New("length of relocation section is not a multiple of 12") + } + + symbols, _, err := f.getSymbols(SHT_SYMTAB) + if err != nil { + return err + } + + b := bytes.NewReader(rels) + var rela Rela32 + + for b.Len() > 0 { + binary.Read(b, f.ByteOrder, &rela) + symNo := rela.Info >> 8 + t := R_PPC(rela.Info & 0xff) + + if symNo == 0 || symNo > uint32(len(symbols)) { + continue + } + sym := &symbols[symNo-1] + if !canApplyRelocation(sym) { + continue + } + + switch t { + case R_PPC_ADDR32: + if rela.Off+4 >= uint32(len(dst)) || rela.Addend < 0 { + continue + } + val32 := uint32(sym.Value) + uint32(rela.Addend) + f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32) + } + } + + return nil +} + +func (f *File) applyRelocationsPPC64(dst []byte, rels []byte) error { + // 24 is the size of Rela64. + if len(rels)%24 != 0 { + return errors.New("length of relocation section is not a multiple of 24") + } + + symbols, _, err := f.getSymbols(SHT_SYMTAB) + if err != nil { + return err + } + + b := bytes.NewReader(rels) + var rela Rela64 + + for b.Len() > 0 { + binary.Read(b, f.ByteOrder, &rela) + symNo := rela.Info >> 32 + t := R_PPC64(rela.Info & 0xffff) + + if symNo == 0 || symNo > uint64(len(symbols)) { + continue + } + sym := &symbols[symNo-1] + if !canApplyRelocation(sym) { + continue + } + + switch t { + case R_PPC64_ADDR64: + if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val64 := sym.Value + uint64(rela.Addend) + f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64) + case R_PPC64_ADDR32: + if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val32 := uint32(sym.Value) + uint32(rela.Addend) + f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32) + } + } + + return nil +} + +func (f *File) applyRelocationsMIPS(dst []byte, rels []byte) error { + // 8 is the size of Rel32. + if len(rels)%8 != 0 { + return errors.New("length of relocation section is not a multiple of 8") + } + + symbols, _, err := f.getSymbols(SHT_SYMTAB) + if err != nil { + return err + } + + b := bytes.NewReader(rels) + var rel Rel32 + + for b.Len() > 0 { + binary.Read(b, f.ByteOrder, &rel) + symNo := rel.Info >> 8 + t := R_MIPS(rel.Info & 0xff) + + if symNo == 0 || symNo > uint32(len(symbols)) { + continue + } + sym := &symbols[symNo-1] + + switch t { + case R_MIPS_32: + if rel.Off+4 >= uint32(len(dst)) { + continue + } + val := f.ByteOrder.Uint32(dst[rel.Off : rel.Off+4]) + val += uint32(sym.Value) + f.ByteOrder.PutUint32(dst[rel.Off:rel.Off+4], val) + } + } + + return nil +} + +func (f *File) applyRelocationsMIPS64(dst []byte, rels []byte) error { + // 24 is the size of Rela64. + if len(rels)%24 != 0 { + return errors.New("length of relocation section is not a multiple of 24") + } + + symbols, _, err := f.getSymbols(SHT_SYMTAB) + if err != nil { + return err + } + + b := bytes.NewReader(rels) + var rela Rela64 + + for b.Len() > 0 { + binary.Read(b, f.ByteOrder, &rela) + var symNo uint64 + var t R_MIPS + if f.ByteOrder == binary.BigEndian { + symNo = rela.Info >> 32 + t = R_MIPS(rela.Info & 0xff) + } else { + symNo = rela.Info & 0xffffffff + t = R_MIPS(rela.Info >> 56) + } + + if symNo == 0 || symNo > uint64(len(symbols)) { + continue + } + sym := &symbols[symNo-1] + if !canApplyRelocation(sym) { + continue + } + + switch t { + case R_MIPS_64: + if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val64 := sym.Value + uint64(rela.Addend) + f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64) + case R_MIPS_32: + if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val32 := uint32(sym.Value) + uint32(rela.Addend) + f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32) + } + } + + return nil +} + +func (f *File) applyRelocationsLOONG64(dst []byte, rels []byte) error { + // 24 is the size of Rela64. + if len(rels)%24 != 0 { + return errors.New("length of relocation section is not a multiple of 24") + } + + symbols, _, err := f.getSymbols(SHT_SYMTAB) + if err != nil { + return err + } + + b := bytes.NewReader(rels) + var rela Rela64 + + for b.Len() > 0 { + binary.Read(b, f.ByteOrder, &rela) + var symNo uint64 + var t R_LARCH + symNo = rela.Info >> 32 + t = R_LARCH(rela.Info & 0xffff) + + if symNo == 0 || symNo > uint64(len(symbols)) { + continue + } + sym := &symbols[symNo-1] + if !canApplyRelocation(sym) { + continue + } + + switch t { + case R_LARCH_64: + if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val64 := sym.Value + uint64(rela.Addend) + f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64) + case R_LARCH_32: + if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val32 := uint32(sym.Value) + uint32(rela.Addend) + f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32) + } + } + + return nil +} + +func (f *File) applyRelocationsRISCV64(dst []byte, rels []byte) error { + // 24 is the size of Rela64. + if len(rels)%24 != 0 { + return errors.New("length of relocation section is not a multiple of 24") + } + + symbols, _, err := f.getSymbols(SHT_SYMTAB) + if err != nil { + return err + } + + b := bytes.NewReader(rels) + var rela Rela64 + + for b.Len() > 0 { + binary.Read(b, f.ByteOrder, &rela) + symNo := rela.Info >> 32 + t := R_RISCV(rela.Info & 0xffff) + + if symNo == 0 || symNo > uint64(len(symbols)) { + continue + } + sym := &symbols[symNo-1] + if !canApplyRelocation(sym) { + continue + } + + switch t { + case R_RISCV_64: + if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val64 := sym.Value + uint64(rela.Addend) + f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64) + case R_RISCV_32: + if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val32 := uint32(sym.Value) + uint32(rela.Addend) + f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32) + } + } + + return nil +} + +func (f *File) applyRelocationss390x(dst []byte, rels []byte) error { + // 24 is the size of Rela64. + if len(rels)%24 != 0 { + return errors.New("length of relocation section is not a multiple of 24") + } + + symbols, _, err := f.getSymbols(SHT_SYMTAB) + if err != nil { + return err + } + + b := bytes.NewReader(rels) + var rela Rela64 + + for b.Len() > 0 { + binary.Read(b, f.ByteOrder, &rela) + symNo := rela.Info >> 32 + t := R_390(rela.Info & 0xffff) + + if symNo == 0 || symNo > uint64(len(symbols)) { + continue + } + sym := &symbols[symNo-1] + if !canApplyRelocation(sym) { + continue + } + + switch t { + case R_390_64: + if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val64 := sym.Value + uint64(rela.Addend) + f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64) + case R_390_32: + if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val32 := uint32(sym.Value) + uint32(rela.Addend) + f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32) + } + } + + return nil +} + +func (f *File) applyRelocationsSPARC64(dst []byte, rels []byte) error { + // 24 is the size of Rela64. + if len(rels)%24 != 0 { + return errors.New("length of relocation section is not a multiple of 24") + } + + symbols, _, err := f.getSymbols(SHT_SYMTAB) + if err != nil { + return err + } + + b := bytes.NewReader(rels) + var rela Rela64 + + for b.Len() > 0 { + binary.Read(b, f.ByteOrder, &rela) + symNo := rela.Info >> 32 + t := R_SPARC(rela.Info & 0xff) + + if symNo == 0 || symNo > uint64(len(symbols)) { + continue + } + sym := &symbols[symNo-1] + if !canApplyRelocation(sym) { + continue + } + + switch t { + case R_SPARC_64, R_SPARC_UA64: + if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val64 := sym.Value + uint64(rela.Addend) + f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64) + case R_SPARC_32, R_SPARC_UA32: + if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 { + continue + } + val32 := uint32(sym.Value) + uint32(rela.Addend) + f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32) + } + } + + return nil +} + +func (f *File) DWARF() (*dwarf.Data, error) { + dwarfSuffix := func(s *Section) string { + switch { + case strings.HasPrefix(s.Name, ".debug_"): + return s.Name[7:] + case strings.HasPrefix(s.Name, ".zdebug_"): + return s.Name[8:] + default: + return "" + } + + } + // sectionData gets the data for s, checks its size, and + // applies any applicable relations. + sectionData := func(i int, s *Section) ([]byte, error) { + b, err := s.Data() + if err != nil && uint64(len(b)) < s.Size { + return nil, err + } + + if f.Type == ET_EXEC { + // Do not apply relocations to DWARF sections for ET_EXEC binaries. + // Relocations should already be applied, and .rela sections may + // contain incorrect data. + return b, nil + } + + for _, r := range f.Sections { + if r.Type != SHT_RELA && r.Type != SHT_REL { + continue + } + if int(r.Info) != i { + continue + } + rd, err := r.Data() + if err != nil { + return nil, err + } + err = f.applyRelocations(b, rd) + if err != nil { + return nil, err + } + } + return b, nil + } + + // There are many DWARf sections, but these are the ones + // the debug/dwarf package started with. + var dat = map[string][]byte{"abbrev": nil, "info": nil, "str": nil, "line": nil, "ranges": nil} + for i, s := range f.Sections { + suffix := dwarfSuffix(s) + if suffix == "" { + continue + } + if _, ok := dat[suffix]; !ok { + continue + } + b, err := sectionData(i, s) + if err != nil { + return nil, err + } + dat[suffix] = b + } + + d, err := dwarf.New(dat["abbrev"], nil, nil, dat["info"], dat["line"], nil, dat["ranges"], dat["str"]) + if err != nil { + return nil, err + } + + // Look for DWARF4 .debug_types sections and DWARF5 sections. + for i, s := range f.Sections { + suffix := dwarfSuffix(s) + if suffix == "" { + continue + } + if _, ok := dat[suffix]; ok { + // Already handled. + continue + } + + b, err := sectionData(i, s) + if err != nil { + return nil, err + } + + if suffix == "types" { + if err := d.AddTypes(fmt.Sprintf("types-%d", i), b); err != nil { + return nil, err + } + } else { + if err := d.AddSection(".debug_"+suffix, b); err != nil { + return nil, err + } + } + } + + return d, nil +} + +// Symbols returns the symbol table for f. The symbols will be listed in the order +// they appear in f. +// +// For compatibility with Go 1.0, Symbols omits the null symbol at index 0. +// After retrieving the symbols as symtab, an externally supplied index x +// corresponds to symtab[x-1], not symtab[x]. +func (f *File) Symbols() ([]Symbol, error) { + sym, _, err := f.getSymbols(SHT_SYMTAB) + return sym, err +} + +// DynamicSymbols returns the dynamic symbol table for f. The symbols +// will be listed in the order they appear in f. +// +// If f has a symbol version table, the returned Symbols will have +// initialized Version and Library fields. +// +// For compatibility with Symbols, DynamicSymbols omits the null symbol at index 0. +// After retrieving the symbols as symtab, an externally supplied index x +// corresponds to symtab[x-1], not symtab[x]. +func (f *File) DynamicSymbols() ([]Symbol, error) { + sym, str, err := f.getSymbols(SHT_DYNSYM) + if err != nil { + return nil, err + } + if f.gnuVersionInit(str) { + for i := range sym { + sym[i].Library, sym[i].Version = f.gnuVersion(i) + } + } + return sym, nil +} + +type ImportedSymbol struct { + Name string + Version string + Library string +} + +// ImportedSymbols returns the names of all symbols +// referred to by the binary f that are expected to be +// satisfied by other libraries at dynamic load time. +// It does not return weak symbols. +func (f *File) ImportedSymbols() ([]ImportedSymbol, error) { + sym, str, err := f.getSymbols(SHT_DYNSYM) + if err != nil { + return nil, err + } + f.gnuVersionInit(str) + var all []ImportedSymbol + for i, s := range sym { + if ST_BIND(s.Info) == STB_GLOBAL && s.Section == SHN_UNDEF { + all = append(all, ImportedSymbol{Name: s.Name}) + sym := &all[len(all)-1] + sym.Library, sym.Version = f.gnuVersion(i) + } + } + return all, nil +} + +type verneed struct { + File string + Name string +} + +// gnuVersionInit parses the GNU version tables +// for use by calls to gnuVersion. +func (f *File) gnuVersionInit(str []byte) bool { + if f.gnuNeed != nil { + // Already initialized + return true + } + + // Accumulate verneed information. + vn := f.SectionByType(SHT_GNU_VERNEED) + if vn == nil { + return false + } + d, _ := vn.Data() + + var need []verneed + i := 0 + for { + if i+16 > len(d) { + break + } + vers := f.ByteOrder.Uint16(d[i : i+2]) + if vers != 1 { + break + } + cnt := f.ByteOrder.Uint16(d[i+2 : i+4]) + fileoff := f.ByteOrder.Uint32(d[i+4 : i+8]) + aux := f.ByteOrder.Uint32(d[i+8 : i+12]) + next := f.ByteOrder.Uint32(d[i+12 : i+16]) + file, _ := getString(str, int(fileoff)) + + var name string + j := i + int(aux) + for c := 0; c < int(cnt); c++ { + if j+16 > len(d) { + break + } + // hash := f.ByteOrder.Uint32(d[j:j+4]) + // flags := f.ByteOrder.Uint16(d[j+4:j+6]) + other := f.ByteOrder.Uint16(d[j+6 : j+8]) + nameoff := f.ByteOrder.Uint32(d[j+8 : j+12]) + next := f.ByteOrder.Uint32(d[j+12 : j+16]) + name, _ = getString(str, int(nameoff)) + ndx := int(other) + if ndx >= len(need) { + a := make([]verneed, 2*(ndx+1)) + copy(a, need) + need = a + } + + need[ndx] = verneed{file, name} + if next == 0 { + break + } + j += int(next) + } + + if next == 0 { + break + } + i += int(next) + } + + // Versym parallels symbol table, indexing into verneed. + vs := f.SectionByType(SHT_GNU_VERSYM) + if vs == nil { + return false + } + d, _ = vs.Data() + + f.gnuNeed = need + f.gnuVersym = d + return true +} + +// gnuVersion adds Library and Version information to sym, +// which came from offset i of the symbol table. +func (f *File) gnuVersion(i int) (library string, version string) { + // Each entry is two bytes; skip undef entry at beginning. + i = (i + 1) * 2 + if i >= len(f.gnuVersym) { + return + } + s := f.gnuVersym[i:] + if len(s) < 2 { + return + } + j := int(f.ByteOrder.Uint16(s)) + if j < 2 || j >= len(f.gnuNeed) { + return + } + n := &f.gnuNeed[j] + return n.File, n.Name +} + +// ImportedLibraries returns the names of all libraries +// referred to by the binary f that are expected to be +// linked with the binary at dynamic link time. +func (f *File) ImportedLibraries() ([]string, error) { + return f.DynString(DT_NEEDED) +} + +// DynString returns the strings listed for the given tag in the file's dynamic +// section. +// +// The tag must be one that takes string values: DT_NEEDED, DT_SONAME, DT_RPATH, or +// DT_RUNPATH. +func (f *File) DynString(tag DynTag) ([]string, error) { + switch tag { + case DT_NEEDED, DT_SONAME, DT_RPATH, DT_RUNPATH: + default: + return nil, fmt.Errorf("non-string-valued tag %v", tag) + } + ds := f.SectionByType(SHT_DYNAMIC) + if ds == nil { + // not dynamic, so no libraries + return nil, nil + } + d, err := ds.Data() + if err != nil { + return nil, err + } + str, err := f.stringTable(ds.Link) + if err != nil { + return nil, err + } + var all []string + for len(d) > 0 { + var t DynTag + var v uint64 + switch f.Class { + case ELFCLASS32: + t = DynTag(f.ByteOrder.Uint32(d[0:4])) + v = uint64(f.ByteOrder.Uint32(d[4:8])) + d = d[8:] + case ELFCLASS64: + t = DynTag(f.ByteOrder.Uint64(d[0:8])) + v = f.ByteOrder.Uint64(d[8:16]) + d = d[16:] + } + if t == tag { + s, ok := getString(str, int(v)) + if ok { + all = append(all, s) + } + } + } + return all, nil +} + +// DynValue returns the values listed for the given tag in the file's dynamic +// section. +func (f *File) DynValue(tag DynTag) ([]uint64, error) { + ds := f.SectionByType(SHT_DYNAMIC) + if ds == nil { + return nil, nil + } + d, err := ds.Data() + if err != nil { + return nil, err + } + + // Parse the .dynamic section as a string of bytes. + var vals []uint64 + for len(d) > 0 { + var t DynTag + var v uint64 + switch f.Class { + case ELFCLASS32: + t = DynTag(f.ByteOrder.Uint32(d[0:4])) + v = uint64(f.ByteOrder.Uint32(d[4:8])) + d = d[8:] + case ELFCLASS64: + t = DynTag(f.ByteOrder.Uint64(d[0:8])) + v = f.ByteOrder.Uint64(d[8:16]) + d = d[16:] + } + if t == tag { + vals = append(vals, v) + } + } + return vals, nil +} + +type nobitsSectionReader struct{} + +func (*nobitsSectionReader) ReadAt(p []byte, off int64) (n int, err error) { + return 0, errors.New("unexpected read from SHT_NOBITS section") +} diff --git a/src/debug/elf/file_test.go b/src/debug/elf/file_test.go new file mode 100644 index 0000000..51a3634 --- /dev/null +++ b/src/debug/elf/file_test.go @@ -0,0 +1,1290 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package elf + +import ( + "bytes" + "compress/gzip" + "compress/zlib" + "debug/dwarf" + "encoding/binary" + "fmt" + "io" + "math/rand" + "net" + "os" + "path" + "reflect" + "runtime" + "strings" + "testing" +) + +type fileTest struct { + file string + hdr FileHeader + sections []SectionHeader + progs []ProgHeader + needed []string +} + +var fileTests = []fileTest{ + { + "testdata/gcc-386-freebsd-exec", + FileHeader{ELFCLASS32, ELFDATA2LSB, EV_CURRENT, ELFOSABI_FREEBSD, 0, binary.LittleEndian, ET_EXEC, EM_386, 0x80483cc}, + []SectionHeader{ + {"", SHT_NULL, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, + {".interp", SHT_PROGBITS, SHF_ALLOC, 0x80480d4, 0xd4, 0x15, 0x0, 0x0, 0x1, 0x0, 0x15}, + {".hash", SHT_HASH, SHF_ALLOC, 0x80480ec, 0xec, 0x90, 0x3, 0x0, 0x4, 0x4, 0x90}, + {".dynsym", SHT_DYNSYM, SHF_ALLOC, 0x804817c, 0x17c, 0x110, 0x4, 0x1, 0x4, 0x10, 0x110}, + {".dynstr", SHT_STRTAB, SHF_ALLOC, 0x804828c, 0x28c, 0xbb, 0x0, 0x0, 0x1, 0x0, 0xbb}, + {".rel.plt", SHT_REL, SHF_ALLOC, 0x8048348, 0x348, 0x20, 0x3, 0x7, 0x4, 0x8, 0x20}, + {".init", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x8048368, 0x368, 0x11, 0x0, 0x0, 0x4, 0x0, 0x11}, + {".plt", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x804837c, 0x37c, 0x50, 0x0, 0x0, 0x4, 0x4, 0x50}, + {".text", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x80483cc, 0x3cc, 0x180, 0x0, 0x0, 0x4, 0x0, 0x180}, + {".fini", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x804854c, 0x54c, 0xc, 0x0, 0x0, 0x4, 0x0, 0xc}, + {".rodata", SHT_PROGBITS, SHF_ALLOC, 0x8048558, 0x558, 0xa3, 0x0, 0x0, 0x1, 0x0, 0xa3}, + {".data", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x80495fc, 0x5fc, 0xc, 0x0, 0x0, 0x4, 0x0, 0xc}, + {".eh_frame", SHT_PROGBITS, SHF_ALLOC, 0x8049608, 0x608, 0x4, 0x0, 0x0, 0x4, 0x0, 0x4}, + {".dynamic", SHT_DYNAMIC, SHF_WRITE + SHF_ALLOC, 0x804960c, 0x60c, 0x98, 0x4, 0x0, 0x4, 0x8, 0x98}, + {".ctors", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x80496a4, 0x6a4, 0x8, 0x0, 0x0, 0x4, 0x0, 0x8}, + {".dtors", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x80496ac, 0x6ac, 0x8, 0x0, 0x0, 0x4, 0x0, 0x8}, + {".jcr", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x80496b4, 0x6b4, 0x4, 0x0, 0x0, 0x4, 0x0, 0x4}, + {".got", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x80496b8, 0x6b8, 0x1c, 0x0, 0x0, 0x4, 0x4, 0x1c}, + {".bss", SHT_NOBITS, SHF_WRITE + SHF_ALLOC, 0x80496d4, 0x6d4, 0x20, 0x0, 0x0, 0x4, 0x0, 0x20}, + {".comment", SHT_PROGBITS, 0x0, 0x0, 0x6d4, 0x12d, 0x0, 0x0, 0x1, 0x0, 0x12d}, + {".debug_aranges", SHT_PROGBITS, 0x0, 0x0, 0x801, 0x20, 0x0, 0x0, 0x1, 0x0, 0x20}, + {".debug_pubnames", SHT_PROGBITS, 0x0, 0x0, 0x821, 0x1b, 0x0, 0x0, 0x1, 0x0, 0x1b}, + {".debug_info", SHT_PROGBITS, 0x0, 0x0, 0x83c, 0x11d, 0x0, 0x0, 0x1, 0x0, 0x11d}, + {".debug_abbrev", SHT_PROGBITS, 0x0, 0x0, 0x959, 0x41, 0x0, 0x0, 0x1, 0x0, 0x41}, + {".debug_line", SHT_PROGBITS, 0x0, 0x0, 0x99a, 0x35, 0x0, 0x0, 0x1, 0x0, 0x35}, + {".debug_frame", SHT_PROGBITS, 0x0, 0x0, 0x9d0, 0x30, 0x0, 0x0, 0x4, 0x0, 0x30}, + {".debug_str", SHT_PROGBITS, 0x0, 0x0, 0xa00, 0xd, 0x0, 0x0, 0x1, 0x0, 0xd}, + {".shstrtab", SHT_STRTAB, 0x0, 0x0, 0xa0d, 0xf8, 0x0, 0x0, 0x1, 0x0, 0xf8}, + {".symtab", SHT_SYMTAB, 0x0, 0x0, 0xfb8, 0x4b0, 0x1d, 0x38, 0x4, 0x10, 0x4b0}, + {".strtab", SHT_STRTAB, 0x0, 0x0, 0x1468, 0x206, 0x0, 0x0, 0x1, 0x0, 0x206}, + }, + []ProgHeader{ + {PT_PHDR, PF_R + PF_X, 0x34, 0x8048034, 0x8048034, 0xa0, 0xa0, 0x4}, + {PT_INTERP, PF_R, 0xd4, 0x80480d4, 0x80480d4, 0x15, 0x15, 0x1}, + {PT_LOAD, PF_R + PF_X, 0x0, 0x8048000, 0x8048000, 0x5fb, 0x5fb, 0x1000}, + {PT_LOAD, PF_R + PF_W, 0x5fc, 0x80495fc, 0x80495fc, 0xd8, 0xf8, 0x1000}, + {PT_DYNAMIC, PF_R + PF_W, 0x60c, 0x804960c, 0x804960c, 0x98, 0x98, 0x4}, + }, + []string{"libc.so.6"}, + }, + { + "testdata/gcc-amd64-linux-exec", + FileHeader{ELFCLASS64, ELFDATA2LSB, EV_CURRENT, ELFOSABI_NONE, 0, binary.LittleEndian, ET_EXEC, EM_X86_64, 0x4003e0}, + []SectionHeader{ + {"", SHT_NULL, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, + {".interp", SHT_PROGBITS, SHF_ALLOC, 0x400200, 0x200, 0x1c, 0x0, 0x0, 0x1, 0x0, 0x1c}, + {".note.ABI-tag", SHT_NOTE, SHF_ALLOC, 0x40021c, 0x21c, 0x20, 0x0, 0x0, 0x4, 0x0, 0x20}, + {".hash", SHT_HASH, SHF_ALLOC, 0x400240, 0x240, 0x24, 0x5, 0x0, 0x8, 0x4, 0x24}, + {".gnu.hash", SHT_LOOS + 268435446, SHF_ALLOC, 0x400268, 0x268, 0x1c, 0x5, 0x0, 0x8, 0x0, 0x1c}, + {".dynsym", SHT_DYNSYM, SHF_ALLOC, 0x400288, 0x288, 0x60, 0x6, 0x1, 0x8, 0x18, 0x60}, + {".dynstr", SHT_STRTAB, SHF_ALLOC, 0x4002e8, 0x2e8, 0x3d, 0x0, 0x0, 0x1, 0x0, 0x3d}, + {".gnu.version", SHT_HIOS, SHF_ALLOC, 0x400326, 0x326, 0x8, 0x5, 0x0, 0x2, 0x2, 0x8}, + {".gnu.version_r", SHT_LOOS + 268435454, SHF_ALLOC, 0x400330, 0x330, 0x20, 0x6, 0x1, 0x8, 0x0, 0x20}, + {".rela.dyn", SHT_RELA, SHF_ALLOC, 0x400350, 0x350, 0x18, 0x5, 0x0, 0x8, 0x18, 0x18}, + {".rela.plt", SHT_RELA, SHF_ALLOC, 0x400368, 0x368, 0x30, 0x5, 0xc, 0x8, 0x18, 0x30}, + {".init", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x400398, 0x398, 0x18, 0x0, 0x0, 0x4, 0x0, 0x18}, + {".plt", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x4003b0, 0x3b0, 0x30, 0x0, 0x0, 0x4, 0x10, 0x30}, + {".text", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x4003e0, 0x3e0, 0x1b4, 0x0, 0x0, 0x10, 0x0, 0x1b4}, + {".fini", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x400594, 0x594, 0xe, 0x0, 0x0, 0x4, 0x0, 0xe}, + {".rodata", SHT_PROGBITS, SHF_ALLOC, 0x4005a4, 0x5a4, 0x11, 0x0, 0x0, 0x4, 0x0, 0x11}, + {".eh_frame_hdr", SHT_PROGBITS, SHF_ALLOC, 0x4005b8, 0x5b8, 0x24, 0x0, 0x0, 0x4, 0x0, 0x24}, + {".eh_frame", SHT_PROGBITS, SHF_ALLOC, 0x4005e0, 0x5e0, 0xa4, 0x0, 0x0, 0x8, 0x0, 0xa4}, + {".ctors", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x600688, 0x688, 0x10, 0x0, 0x0, 0x8, 0x0, 0x10}, + {".dtors", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x600698, 0x698, 0x10, 0x0, 0x0, 0x8, 0x0, 0x10}, + {".jcr", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x6006a8, 0x6a8, 0x8, 0x0, 0x0, 0x8, 0x0, 0x8}, + {".dynamic", SHT_DYNAMIC, SHF_WRITE + SHF_ALLOC, 0x6006b0, 0x6b0, 0x1a0, 0x6, 0x0, 0x8, 0x10, 0x1a0}, + {".got", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x600850, 0x850, 0x8, 0x0, 0x0, 0x8, 0x8, 0x8}, + {".got.plt", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x600858, 0x858, 0x28, 0x0, 0x0, 0x8, 0x8, 0x28}, + {".data", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x600880, 0x880, 0x18, 0x0, 0x0, 0x8, 0x0, 0x18}, + {".bss", SHT_NOBITS, SHF_WRITE + SHF_ALLOC, 0x600898, 0x898, 0x8, 0x0, 0x0, 0x4, 0x0, 0x8}, + {".comment", SHT_PROGBITS, 0x0, 0x0, 0x898, 0x126, 0x0, 0x0, 0x1, 0x0, 0x126}, + {".debug_aranges", SHT_PROGBITS, 0x0, 0x0, 0x9c0, 0x90, 0x0, 0x0, 0x10, 0x0, 0x90}, + {".debug_pubnames", SHT_PROGBITS, 0x0, 0x0, 0xa50, 0x25, 0x0, 0x0, 0x1, 0x0, 0x25}, + {".debug_info", SHT_PROGBITS, 0x0, 0x0, 0xa75, 0x1a7, 0x0, 0x0, 0x1, 0x0, 0x1a7}, + {".debug_abbrev", SHT_PROGBITS, 0x0, 0x0, 0xc1c, 0x6f, 0x0, 0x0, 0x1, 0x0, 0x6f}, + {".debug_line", SHT_PROGBITS, 0x0, 0x0, 0xc8b, 0x13f, 0x0, 0x0, 0x1, 0x0, 0x13f}, + {".debug_str", SHT_PROGBITS, SHF_MERGE + SHF_STRINGS, 0x0, 0xdca, 0xb1, 0x0, 0x0, 0x1, 0x1, 0xb1}, + {".debug_ranges", SHT_PROGBITS, 0x0, 0x0, 0xe80, 0x90, 0x0, 0x0, 0x10, 0x0, 0x90}, + {".shstrtab", SHT_STRTAB, 0x0, 0x0, 0xf10, 0x149, 0x0, 0x0, 0x1, 0x0, 0x149}, + {".symtab", SHT_SYMTAB, 0x0, 0x0, 0x19a0, 0x6f0, 0x24, 0x39, 0x8, 0x18, 0x6f0}, + {".strtab", SHT_STRTAB, 0x0, 0x0, 0x2090, 0x1fc, 0x0, 0x0, 0x1, 0x0, 0x1fc}, + }, + []ProgHeader{ + {PT_PHDR, PF_R + PF_X, 0x40, 0x400040, 0x400040, 0x1c0, 0x1c0, 0x8}, + {PT_INTERP, PF_R, 0x200, 0x400200, 0x400200, 0x1c, 0x1c, 1}, + {PT_LOAD, PF_R + PF_X, 0x0, 0x400000, 0x400000, 0x684, 0x684, 0x200000}, + {PT_LOAD, PF_R + PF_W, 0x688, 0x600688, 0x600688, 0x210, 0x218, 0x200000}, + {PT_DYNAMIC, PF_R + PF_W, 0x6b0, 0x6006b0, 0x6006b0, 0x1a0, 0x1a0, 0x8}, + {PT_NOTE, PF_R, 0x21c, 0x40021c, 0x40021c, 0x20, 0x20, 0x4}, + {PT_LOOS + 0x474E550, PF_R, 0x5b8, 0x4005b8, 0x4005b8, 0x24, 0x24, 0x4}, + {PT_LOOS + 0x474E551, PF_R + PF_W, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, + }, + []string{"libc.so.6"}, + }, + { + "testdata/hello-world-core.gz", + FileHeader{ELFCLASS64, ELFDATA2LSB, EV_CURRENT, ELFOSABI_NONE, 0x0, binary.LittleEndian, ET_CORE, EM_X86_64, 0x0}, + []SectionHeader{}, + []ProgHeader{ + {Type: PT_NOTE, Flags: 0x0, Off: 0x3f8, Vaddr: 0x0, Paddr: 0x0, Filesz: 0x8ac, Memsz: 0x0, Align: 0x0}, + {Type: PT_LOAD, Flags: PF_X + PF_R, Off: 0x1000, Vaddr: 0x400000, Paddr: 0x0, Filesz: 0x0, Memsz: 0x1000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_R, Off: 0x1000, Vaddr: 0x401000, Paddr: 0x0, Filesz: 0x1000, Memsz: 0x1000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_W + PF_R, Off: 0x2000, Vaddr: 0x402000, Paddr: 0x0, Filesz: 0x1000, Memsz: 0x1000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_X + PF_R, Off: 0x3000, Vaddr: 0x7f54078b8000, Paddr: 0x0, Filesz: 0x0, Memsz: 0x1b5000, Align: 0x1000}, + {Type: PT_LOAD, Flags: 0x0, Off: 0x3000, Vaddr: 0x7f5407a6d000, Paddr: 0x0, Filesz: 0x0, Memsz: 0x1ff000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_R, Off: 0x3000, Vaddr: 0x7f5407c6c000, Paddr: 0x0, Filesz: 0x4000, Memsz: 0x4000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_W + PF_R, Off: 0x7000, Vaddr: 0x7f5407c70000, Paddr: 0x0, Filesz: 0x2000, Memsz: 0x2000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_W + PF_R, Off: 0x9000, Vaddr: 0x7f5407c72000, Paddr: 0x0, Filesz: 0x5000, Memsz: 0x5000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_X + PF_R, Off: 0xe000, Vaddr: 0x7f5407c77000, Paddr: 0x0, Filesz: 0x0, Memsz: 0x22000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_W + PF_R, Off: 0xe000, Vaddr: 0x7f5407e81000, Paddr: 0x0, Filesz: 0x3000, Memsz: 0x3000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_W + PF_R, Off: 0x11000, Vaddr: 0x7f5407e96000, Paddr: 0x0, Filesz: 0x3000, Memsz: 0x3000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_R, Off: 0x14000, Vaddr: 0x7f5407e99000, Paddr: 0x0, Filesz: 0x1000, Memsz: 0x1000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_W + PF_R, Off: 0x15000, Vaddr: 0x7f5407e9a000, Paddr: 0x0, Filesz: 0x2000, Memsz: 0x2000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_W + PF_R, Off: 0x17000, Vaddr: 0x7fff79972000, Paddr: 0x0, Filesz: 0x23000, Memsz: 0x23000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_X + PF_R, Off: 0x3a000, Vaddr: 0x7fff799f8000, Paddr: 0x0, Filesz: 0x1000, Memsz: 0x1000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_X + PF_R, Off: 0x3b000, Vaddr: 0xffffffffff600000, Paddr: 0x0, Filesz: 0x1000, Memsz: 0x1000, Align: 0x1000}, + }, + nil, + }, + { + "testdata/compressed-32.obj", + FileHeader{ELFCLASS32, ELFDATA2LSB, EV_CURRENT, ELFOSABI_NONE, 0x0, binary.LittleEndian, ET_REL, EM_386, 0x0}, + []SectionHeader{ + {"", SHT_NULL, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, + {".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR, 0x0, 0x34, 0x17, 0x0, 0x0, 0x1, 0x0, 0x17}, + {".rel.text", SHT_REL, SHF_INFO_LINK, 0x0, 0x3dc, 0x10, 0x13, 0x1, 0x4, 0x8, 0x10}, + {".data", SHT_PROGBITS, SHF_WRITE | SHF_ALLOC, 0x0, 0x4b, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0}, + {".bss", SHT_NOBITS, SHF_WRITE | SHF_ALLOC, 0x0, 0x4b, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0}, + {".rodata", SHT_PROGBITS, SHF_ALLOC, 0x0, 0x4b, 0xd, 0x0, 0x0, 0x1, 0x0, 0xd}, + {".debug_info", SHT_PROGBITS, SHF_COMPRESSED, 0x0, 0x58, 0xb4, 0x0, 0x0, 0x1, 0x0, 0x84}, + {".rel.debug_info", SHT_REL, SHF_INFO_LINK, 0x0, 0x3ec, 0xa0, 0x13, 0x6, 0x4, 0x8, 0xa0}, + {".debug_abbrev", SHT_PROGBITS, 0x0, 0x0, 0xdc, 0x5a, 0x0, 0x0, 0x1, 0x0, 0x5a}, + {".debug_aranges", SHT_PROGBITS, 0x0, 0x0, 0x136, 0x20, 0x0, 0x0, 0x1, 0x0, 0x20}, + {".rel.debug_aranges", SHT_REL, SHF_INFO_LINK, 0x0, 0x48c, 0x10, 0x13, 0x9, 0x4, 0x8, 0x10}, + {".debug_line", SHT_PROGBITS, 0x0, 0x0, 0x156, 0x5c, 0x0, 0x0, 0x1, 0x0, 0x5c}, + {".rel.debug_line", SHT_REL, SHF_INFO_LINK, 0x0, 0x49c, 0x8, 0x13, 0xb, 0x4, 0x8, 0x8}, + {".debug_str", SHT_PROGBITS, SHF_MERGE | SHF_STRINGS | SHF_COMPRESSED, 0x0, 0x1b2, 0x10f, 0x0, 0x0, 0x1, 0x1, 0xb3}, + {".comment", SHT_PROGBITS, SHF_MERGE | SHF_STRINGS, 0x0, 0x265, 0x2a, 0x0, 0x0, 0x1, 0x1, 0x2a}, + {".note.GNU-stack", SHT_PROGBITS, 0x0, 0x0, 0x28f, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0}, + {".eh_frame", SHT_PROGBITS, SHF_ALLOC, 0x0, 0x290, 0x38, 0x0, 0x0, 0x4, 0x0, 0x38}, + {".rel.eh_frame", SHT_REL, SHF_INFO_LINK, 0x0, 0x4a4, 0x8, 0x13, 0x10, 0x4, 0x8, 0x8}, + {".shstrtab", SHT_STRTAB, 0x0, 0x0, 0x4ac, 0xab, 0x0, 0x0, 0x1, 0x0, 0xab}, + {".symtab", SHT_SYMTAB, 0x0, 0x0, 0x2c8, 0x100, 0x14, 0xe, 0x4, 0x10, 0x100}, + {".strtab", SHT_STRTAB, 0x0, 0x0, 0x3c8, 0x13, 0x0, 0x0, 0x1, 0x0, 0x13}, + }, + []ProgHeader{}, + nil, + }, + { + "testdata/compressed-64.obj", + FileHeader{ELFCLASS64, ELFDATA2LSB, EV_CURRENT, ELFOSABI_NONE, 0x0, binary.LittleEndian, ET_REL, EM_X86_64, 0x0}, + []SectionHeader{ + {"", SHT_NULL, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, + {".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR, 0x0, 0x40, 0x1b, 0x0, 0x0, 0x1, 0x0, 0x1b}, + {".rela.text", SHT_RELA, SHF_INFO_LINK, 0x0, 0x488, 0x30, 0x13, 0x1, 0x8, 0x18, 0x30}, + {".data", SHT_PROGBITS, SHF_WRITE | SHF_ALLOC, 0x0, 0x5b, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0}, + {".bss", SHT_NOBITS, SHF_WRITE | SHF_ALLOC, 0x0, 0x5b, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0}, + {".rodata", SHT_PROGBITS, SHF_ALLOC, 0x0, 0x5b, 0xd, 0x0, 0x0, 0x1, 0x0, 0xd}, + {".debug_info", SHT_PROGBITS, SHF_COMPRESSED, 0x0, 0x68, 0xba, 0x0, 0x0, 0x1, 0x0, 0x72}, + {".rela.debug_info", SHT_RELA, SHF_INFO_LINK, 0x0, 0x4b8, 0x1c8, 0x13, 0x6, 0x8, 0x18, 0x1c8}, + {".debug_abbrev", SHT_PROGBITS, 0x0, 0x0, 0xda, 0x5c, 0x0, 0x0, 0x1, 0x0, 0x5c}, + {".debug_aranges", SHT_PROGBITS, SHF_COMPRESSED, 0x0, 0x136, 0x30, 0x0, 0x0, 0x1, 0x0, 0x2f}, + {".rela.debug_aranges", SHT_RELA, SHF_INFO_LINK, 0x0, 0x680, 0x30, 0x13, 0x9, 0x8, 0x18, 0x30}, + {".debug_line", SHT_PROGBITS, 0x0, 0x0, 0x165, 0x60, 0x0, 0x0, 0x1, 0x0, 0x60}, + {".rela.debug_line", SHT_RELA, SHF_INFO_LINK, 0x0, 0x6b0, 0x18, 0x13, 0xb, 0x8, 0x18, 0x18}, + {".debug_str", SHT_PROGBITS, SHF_MERGE | SHF_STRINGS | SHF_COMPRESSED, 0x0, 0x1c5, 0x104, 0x0, 0x0, 0x1, 0x1, 0xc3}, + {".comment", SHT_PROGBITS, SHF_MERGE | SHF_STRINGS, 0x0, 0x288, 0x2a, 0x0, 0x0, 0x1, 0x1, 0x2a}, + {".note.GNU-stack", SHT_PROGBITS, 0x0, 0x0, 0x2b2, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0}, + {".eh_frame", SHT_PROGBITS, SHF_ALLOC, 0x0, 0x2b8, 0x38, 0x0, 0x0, 0x8, 0x0, 0x38}, + {".rela.eh_frame", SHT_RELA, SHF_INFO_LINK, 0x0, 0x6c8, 0x18, 0x13, 0x10, 0x8, 0x18, 0x18}, + {".shstrtab", SHT_STRTAB, 0x0, 0x0, 0x6e0, 0xb0, 0x0, 0x0, 0x1, 0x0, 0xb0}, + {".symtab", SHT_SYMTAB, 0x0, 0x0, 0x2f0, 0x180, 0x14, 0xe, 0x8, 0x18, 0x180}, + {".strtab", SHT_STRTAB, 0x0, 0x0, 0x470, 0x13, 0x0, 0x0, 0x1, 0x0, 0x13}, + }, + []ProgHeader{}, + nil, + }, +} + +func TestOpen(t *testing.T) { + for i := range fileTests { + tt := &fileTests[i] + + var f *File + var err error + if path.Ext(tt.file) == ".gz" { + var r io.ReaderAt + if r, err = decompress(tt.file); err == nil { + f, err = NewFile(r) + } + } else { + f, err = Open(tt.file) + } + if err != nil { + t.Errorf("cannot open file %s: %v", tt.file, err) + continue + } + defer f.Close() + if f.FileHeader != tt.hdr { + t.Errorf("open %s:\n\thave %#v\n\twant %#v\n", tt.file, f.FileHeader, tt.hdr) + continue + } + for i, s := range f.Sections { + if i >= len(tt.sections) { + break + } + sh := tt.sections[i] + if s.SectionHeader != sh { + t.Errorf("open %s, section %d:\n\thave %#v\n\twant %#v\n", tt.file, i, s.SectionHeader, sh) + } + } + for i, p := range f.Progs { + if i >= len(tt.progs) { + break + } + ph := tt.progs[i] + if p.ProgHeader != ph { + t.Errorf("open %s, program %d:\n\thave %#v\n\twant %#v\n", tt.file, i, p.ProgHeader, ph) + } + } + tn := len(tt.sections) + fn := len(f.Sections) + if tn != fn { + t.Errorf("open %s: len(Sections) = %d, want %d", tt.file, fn, tn) + } + tn = len(tt.progs) + fn = len(f.Progs) + if tn != fn { + t.Errorf("open %s: len(Progs) = %d, want %d", tt.file, fn, tn) + } + tl := tt.needed + fl, err := f.ImportedLibraries() + if err != nil { + t.Error(err) + } + if !reflect.DeepEqual(tl, fl) { + t.Errorf("open %s: DT_NEEDED = %v, want %v", tt.file, tl, fl) + } + } +} + +// elf.NewFile requires io.ReaderAt, which compress/gzip cannot +// provide. Decompress the file to a bytes.Reader. +func decompress(gz string) (io.ReaderAt, error) { + in, err := os.Open(gz) + if err != nil { + return nil, err + } + defer in.Close() + r, err := gzip.NewReader(in) + if err != nil { + return nil, err + } + var out bytes.Buffer + _, err = io.Copy(&out, r) + return bytes.NewReader(out.Bytes()), err +} + +type relocationTestEntry struct { + entryNumber int + entry *dwarf.Entry + pcRanges [][2]uint64 +} + +type relocationTest struct { + file string + entries []relocationTestEntry +} + +var relocationTests = []relocationTest{ + { + "testdata/go-relocation-test-gcc441-x86-64.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C 4.4.1", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "go-relocation-test.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrHighpc, Val: uint64(0x6), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{{0x0, 0x6}}, + }, + }, + }, + { + "testdata/go-relocation-test-gcc441-x86.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C 4.4.1", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "t.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrHighpc, Val: uint64(0x5), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{{0x0, 0x5}}, + }, + }, + }, + { + "testdata/go-relocation-test-gcc424-x86-64.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C 4.2.4 (Ubuntu 4.2.4-1ubuntu4)", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "go-relocation-test-gcc424.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrHighpc, Val: uint64(0x6), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{{0x0, 0x6}}, + }, + }, + }, + { + "testdata/go-relocation-test-gcc482-aarch64.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C 4.8.2 -g -fstack-protector", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "go-relocation-test-gcc482.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrHighpc, Val: int64(0x24), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{{0x0, 0x24}}, + }, + }, + }, + { + "testdata/go-relocation-test-gcc492-arm.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C 4.9.2 20141224 (prerelease) -march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16 -mtls-dialect=gnu -g", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "go-relocation-test-gcc492.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/root/go/src/debug/elf/testdata", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrHighpc, Val: int64(0x28), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{{0x0, 0x28}}, + }, + }, + }, + { + "testdata/go-relocation-test-clang-arm.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "Debian clang version 3.5.0-10 (tags/RELEASE_350/final) (based on LLVM 3.5.0)", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrStmtList, Val: int64(0x0), Class: dwarf.ClassLinePtr}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrHighpc, Val: int64(0x30), Class: dwarf.ClassConstant}, + }, + }, + pcRanges: [][2]uint64{{0x0, 0x30}}, + }, + }, + }, + { + "testdata/go-relocation-test-gcc5-ppc.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C11 5.0.0 20150116 (experimental) -Asystem=linux -Asystem=unix -Asystem=posix -g", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "go-relocation-test-gcc5-ppc.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrHighpc, Val: int64(0x44), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{{0x0, 0x44}}, + }, + }, + }, + { + "testdata/go-relocation-test-gcc482-ppc64le.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C 4.8.2 -Asystem=linux -Asystem=unix -Asystem=posix -msecure-plt -mtune=power8 -mcpu=power7 -gdwarf-2 -fstack-protector", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "go-relocation-test-gcc482-ppc64le.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrHighpc, Val: uint64(0x24), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{{0x0, 0x24}}, + }, + }, + }, + { + "testdata/go-relocation-test-gcc492-mips64.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C 4.9.2 -meb -mabi=64 -march=mips3 -mtune=mips64 -mllsc -mno-shared -g", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrHighpc, Val: int64(0x64), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{{0x0, 0x64}}, + }, + }, + }, + { + "testdata/go-relocation-test-gcc531-s390x.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C11 5.3.1 20160316 -march=zEC12 -m64 -mzarch -g -fstack-protector-strong", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrHighpc, Val: int64(0x3a), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{{0x0, 0x3a}}, + }, + }, + }, + { + "testdata/go-relocation-test-gcc620-sparc64.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C11 6.2.0 20160914 -mcpu=v9 -g -fstack-protector-strong", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrHighpc, Val: int64(0x2c), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{{0x0, 0x2c}}, + }, + }, + }, + { + "testdata/go-relocation-test-gcc492-mipsle.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C 4.9.2 -mel -march=mips2 -mtune=mips32 -mllsc -mno-shared -mabi=32 -g", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrHighpc, Val: int64(0x58), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{{0x0, 0x58}}, + }, + }, + }, + { + "testdata/go-relocation-test-gcc540-mips.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C11 5.4.0 20160609 -meb -mips32 -mtune=mips32r2 -mfpxx -mllsc -mno-shared -mabi=32 -g -gdwarf-2", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrHighpc, Val: uint64(0x5c), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{{0x0, 0x5c}}, + }, + }, + }, + { + "testdata/go-relocation-test-gcc493-mips64le.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C 4.9.3 -mel -mabi=64 -mllsc -mno-shared -g -fstack-protector-strong", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrHighpc, Val: int64(0x64), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{{0x0, 0x64}}, + }, + }, + }, + { + "testdata/go-relocation-test-gcc720-riscv64.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C11 7.2.0 -march=rv64imafdc -mabi=lp64d -g -gdwarf-2", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrHighpc, Val: uint64(0x2c), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{{0x0, 0x2c}}, + }, + }, + }, + { + "testdata/go-relocation-test-clang-x86.obj", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "clang version google3-trunk (trunk r209387)", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "go-relocation-test-clang.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + }, + }, + }, + }, + }, + { + "testdata/gcc-amd64-openbsd-debug-with-rela.obj", + []relocationTestEntry{ + { + entryNumber: 203, + entry: &dwarf.Entry{ + Offset: 0xc62, + Tag: dwarf.TagMember, + Children: false, + Field: []dwarf.Field{ + {Attr: dwarf.AttrName, Val: "it_interval", Class: dwarf.ClassString}, + {Attr: dwarf.AttrDeclFile, Val: int64(7), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrDeclLine, Val: int64(236), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrType, Val: dwarf.Offset(0xb7f), Class: dwarf.ClassReference}, + {Attr: dwarf.AttrDataMemberLoc, Val: []byte{0x23, 0x0}, Class: dwarf.ClassExprLoc}, + }, + }, + }, + { + entryNumber: 204, + entry: &dwarf.Entry{ + Offset: 0xc70, + Tag: dwarf.TagMember, + Children: false, + Field: []dwarf.Field{ + {Attr: dwarf.AttrName, Val: "it_value", Class: dwarf.ClassString}, + {Attr: dwarf.AttrDeclFile, Val: int64(7), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrDeclLine, Val: int64(237), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrType, Val: dwarf.Offset(0xb7f), Class: dwarf.ClassReference}, + {Attr: dwarf.AttrDataMemberLoc, Val: []byte{0x23, 0x10}, Class: dwarf.ClassExprLoc}, + }, + }, + }, + }, + }, + { + "testdata/go-relocation-test-gcc930-ranges-no-rela-x86-64", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C17 9.3.0 -mtune=generic -march=x86-64 -g -fno-asynchronous-unwind-tables", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "multiple-code-sections.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrRanges, Val: int64(0), Class: dwarf.ClassRangeListPtr}, + {Attr: dwarf.AttrLowpc, Val: uint64(0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{ + {0x765, 0x777}, + {0x7e1, 0x7ec}, + }, + }, + }, + }, + { + "testdata/go-relocation-test-gcc930-ranges-with-rela-x86-64", + []relocationTestEntry{ + { + entry: &dwarf.Entry{ + Offset: 0xb, + Tag: dwarf.TagCompileUnit, + Children: true, + Field: []dwarf.Field{ + {Attr: dwarf.AttrProducer, Val: "GNU C17 9.3.0 -mtune=generic -march=x86-64 -g -fno-asynchronous-unwind-tables", Class: dwarf.ClassString}, + {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant}, + {Attr: dwarf.AttrName, Val: "multiple-code-sections.c", Class: dwarf.ClassString}, + {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString}, + {Attr: dwarf.AttrRanges, Val: int64(0), Class: dwarf.ClassRangeListPtr}, + {Attr: dwarf.AttrLowpc, Val: uint64(0), Class: dwarf.ClassAddress}, + {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr}, + }, + }, + pcRanges: [][2]uint64{ + {0x765, 0x777}, + {0x7e1, 0x7ec}, + }, + }, + }, + }, +} + +func TestDWARFRelocations(t *testing.T) { + for _, test := range relocationTests { + test := test + t.Run(test.file, func(t *testing.T) { + t.Parallel() + f, err := Open(test.file) + if err != nil { + t.Fatal(err) + } + dwarf, err := f.DWARF() + if err != nil { + t.Fatal(err) + } + reader := dwarf.Reader() + idx := 0 + for _, testEntry := range test.entries { + if testEntry.entryNumber < idx { + t.Fatalf("internal test error: %d < %d", testEntry.entryNumber, idx) + } + for ; idx < testEntry.entryNumber; idx++ { + entry, err := reader.Next() + if entry == nil || err != nil { + t.Fatalf("Failed to skip to entry %d: %v", testEntry.entryNumber, err) + } + } + entry, err := reader.Next() + idx++ + if err != nil { + t.Fatal(err) + } + if !reflect.DeepEqual(testEntry.entry, entry) { + t.Errorf("entry %d mismatch: got:%#v want:%#v", testEntry.entryNumber, entry, testEntry.entry) + } + pcRanges, err := dwarf.Ranges(entry) + if err != nil { + t.Fatal(err) + } + if !reflect.DeepEqual(testEntry.pcRanges, pcRanges) { + t.Errorf("entry %d: PC range mismatch: got:%#v want:%#v", testEntry.entryNumber, pcRanges, testEntry.pcRanges) + } + } + }) + } +} + +func TestCompressedDWARF(t *testing.T) { + // Test file built with GCC 4.8.4 and as 2.24 using: + // gcc -Wa,--compress-debug-sections -g -c -o zdebug-test-gcc484-x86-64.obj hello.c + f, err := Open("testdata/zdebug-test-gcc484-x86-64.obj") + if err != nil { + t.Fatal(err) + } + dwarf, err := f.DWARF() + if err != nil { + t.Fatal(err) + } + reader := dwarf.Reader() + n := 0 + for { + entry, err := reader.Next() + if err != nil { + t.Fatal(err) + } + if entry == nil { + break + } + n++ + } + if n != 18 { + t.Fatalf("want %d DWARF entries, got %d", 18, n) + } +} + +func TestCompressedSection(t *testing.T) { + // Test files built with gcc -g -S hello.c and assembled with + // --compress-debug-sections=zlib-gabi. + f, err := Open("testdata/compressed-64.obj") + if err != nil { + t.Fatal(err) + } + sec := f.Section(".debug_info") + wantData := []byte{ + 182, 0, 0, 0, 4, 0, 0, 0, 0, 0, 8, 1, 0, 0, 0, 0, + 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 27, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 8, 7, + 0, 0, 0, 0, 2, 1, 8, 0, 0, 0, 0, 2, 2, 7, 0, 0, + 0, 0, 2, 4, 7, 0, 0, 0, 0, 2, 1, 6, 0, 0, 0, 0, + 2, 2, 5, 0, 0, 0, 0, 3, 4, 5, 105, 110, 116, 0, 2, 8, + 5, 0, 0, 0, 0, 2, 8, 7, 0, 0, 0, 0, 4, 8, 114, 0, + 0, 0, 2, 1, 6, 0, 0, 0, 0, 5, 0, 0, 0, 0, 1, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 27, 0, 0, 0, 0, 0, 0, 0, + 1, 156, 179, 0, 0, 0, 6, 0, 0, 0, 0, 1, 4, 87, 0, 0, + 0, 2, 145, 108, 6, 0, 0, 0, 0, 1, 4, 179, 0, 0, 0, 2, + 145, 96, 0, 4, 8, 108, 0, 0, 0, 0, + } + + // Test Data method. + b, err := sec.Data() + if err != nil { + t.Fatal(err) + } + if !bytes.Equal(wantData, b) { + t.Fatalf("want data %x, got %x", wantData, b) + } + + // Test Open method and seeking. + buf, have, count := make([]byte, len(b)), make([]bool, len(b)), 0 + sf := sec.Open() + if got, err := sf.Seek(0, io.SeekEnd); got != int64(len(b)) || err != nil { + t.Fatalf("want seek end %d, got %d error %v", len(b), got, err) + } + if n, err := sf.Read(buf); n != 0 || err != io.EOF { + t.Fatalf("want EOF with 0 bytes, got %v with %d bytes", err, n) + } + pos := int64(len(buf)) + for count < len(buf) { + // Construct random seek arguments. + whence := rand.Intn(3) + target := rand.Int63n(int64(len(buf))) + var offset int64 + switch whence { + case io.SeekStart: + offset = target + case io.SeekCurrent: + offset = target - pos + case io.SeekEnd: + offset = target - int64(len(buf)) + } + pos, err = sf.Seek(offset, whence) + if err != nil { + t.Fatal(err) + } + if pos != target { + t.Fatalf("want position %d, got %d", target, pos) + } + + // Read data from the new position. + end := pos + 16 + if end > int64(len(buf)) { + end = int64(len(buf)) + } + n, err := io.ReadFull(sf, buf[pos:end]) + if err != nil { + t.Fatal(err) + } + for i := 0; i < n; i++ { + if !have[pos] { + have[pos] = true + count++ + } + pos++ + } + } + if !bytes.Equal(wantData, buf) { + t.Fatalf("want data %x, got %x", wantData, buf) + } +} + +func TestNoSectionOverlaps(t *testing.T) { + // Ensure cmd/link outputs sections without overlaps. + switch runtime.GOOS { + case "aix", "android", "darwin", "ios", "js", "plan9", "windows", "wasip1": + t.Skipf("cmd/link doesn't produce ELF binaries on %s", runtime.GOOS) + } + _ = net.ResolveIPAddr // force dynamic linkage + f, err := Open(os.Args[0]) + if err != nil { + t.Error(err) + return + } + for i, si := range f.Sections { + sih := si.SectionHeader + if sih.Type == SHT_NOBITS { + continue + } + // checking for overlap in file + for j, sj := range f.Sections { + sjh := sj.SectionHeader + if i == j || sjh.Type == SHT_NOBITS || sih.Offset == sjh.Offset && sih.FileSize == 0 { + continue + } + if sih.Offset >= sjh.Offset && sih.Offset < sjh.Offset+sjh.FileSize { + t.Errorf("ld produced ELF with section offset %s within %s: 0x%x <= 0x%x..0x%x < 0x%x", + sih.Name, sjh.Name, sjh.Offset, sih.Offset, sih.Offset+sih.FileSize, sjh.Offset+sjh.FileSize) + } + } + + if sih.Flags&SHF_ALLOC == 0 { + continue + } + + // checking for overlap in address space + for j, sj := range f.Sections { + sjh := sj.SectionHeader + if i == j || sjh.Flags&SHF_ALLOC == 0 || sjh.Type == SHT_NOBITS || + sih.Addr == sjh.Addr && sih.Size == 0 { + continue + } + if sih.Addr >= sjh.Addr && sih.Addr < sjh.Addr+sjh.Size { + t.Errorf("ld produced ELF with section address %s within %s: 0x%x <= 0x%x..0x%x < 0x%x", + sih.Name, sjh.Name, sjh.Addr, sih.Addr, sih.Addr+sih.Size, sjh.Addr+sjh.Size) + } + } + } +} + +func TestNobitsSection(t *testing.T) { + const testdata = "testdata/gcc-amd64-linux-exec" + f, err := Open(testdata) + if err != nil { + t.Fatalf("could not read %s: %v", testdata, err) + } + defer f.Close() + + wantError := "unexpected read from SHT_NOBITS section" + bss := f.Section(".bss") + + _, err = bss.Data() + if err == nil || err.Error() != wantError { + t.Fatalf("bss.Data() got error %q, want error %q", err, wantError) + } + + r := bss.Open() + p := make([]byte, 1) + _, err = r.Read(p) + if err == nil || err.Error() != wantError { + t.Fatalf("r.Read(p) got error %q, want error %q", err, wantError) + } +} + +// TestLargeNumberOfSections tests the case that a file has greater than or +// equal to 65280 (0xff00) sections. +func TestLargeNumberOfSections(t *testing.T) { + // A file with >= 0xff00 sections is too big, so we will construct it on the + // fly. The original file "y.o" is generated by these commands: + // 1. generate "y.c": + // for i in `seq 1 65288`; do + // printf -v x "%04x" i; + // echo "int var_$x __attribute__((section(\"section_$x\"))) = $i;" + // done > y.c + // 2. compile: gcc -c y.c -m32 + // + // $readelf -h y.o + // ELF Header: + // Magic: 7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00 + // Class: ELF32 + // Data: 2's complement, little endian + // Version: 1 (current) + // OS/ABI: UNIX - System V + // ABI Version: 0 + // Type: REL (Relocatable file) + // Machine: Intel 80386 + // Version: 0x1 + // Entry point address: 0x0 + // Start of program headers: 0 (bytes into file) + // Start of section headers: 3003468 (bytes into file) + // Flags: 0x0 + // Size of this header: 52 (bytes) + // Size of program headers: 0 (bytes) + // Number of program headers: 0 + // Size of section headers: 40 (bytes) + // Number of section headers: 0 (65298) + // Section header string table index: 65535 (65297) + // + // $readelf -S y.o + // There are 65298 section headers, starting at offset 0x2dd44c: + // Section Headers: + // [Nr] Name Type Addr Off Size ES Flg Lk Inf Al + // [ 0] NULL 00000000 000000 00ff12 00 65297 0 0 + // [ 1] .text PROGBITS 00000000 000034 000000 00 AX 0 0 1 + // [ 2] .data PROGBITS 00000000 000034 000000 00 WA 0 0 1 + // [ 3] .bss NOBITS 00000000 000034 000000 00 WA 0 0 1 + // [ 4] section_0001 PROGBITS 00000000 000034 000004 00 WA 0 0 4 + // [ 5] section_0002 PROGBITS 00000000 000038 000004 00 WA 0 0 4 + // [ section_0003 ~ section_ff06 truncated ] + // [65290] section_ff07 PROGBITS 00000000 03fc4c 000004 00 WA 0 0 4 + // [65291] section_ff08 PROGBITS 00000000 03fc50 000004 00 WA 0 0 4 + // [65292] .comment PROGBITS 00000000 03fc54 000027 01 MS 0 0 1 + // [65293] .note.GNU-stack PROGBITS 00000000 03fc7b 000000 00 0 0 1 + // [65294] .symtab SYMTAB 00000000 03fc7c 0ff0a0 10 65296 2 4 + // [65295] .symtab_shndx SYMTAB SECTION 00000000 13ed1c 03fc28 04 65294 0 4 + // [65296] .strtab STRTAB 00000000 17e944 08f74d 00 0 0 1 + // [65297] .shstrtab STRTAB 00000000 20e091 0cf3bb 00 0 0 1 + + var buf bytes.Buffer + + { + buf.Grow(0x55AF1C) // 3003468 + 40 * 65298 + + h := Header32{ + Ident: [16]byte{0x7F, 'E', 'L', 'F', 0x01, 0x01, 0x01}, + Type: 1, + Machine: 3, + Version: 1, + Shoff: 0x2DD44C, + Ehsize: 0x34, + Shentsize: 0x28, + Shnum: 0, + Shstrndx: 0xFFFF, + } + binary.Write(&buf, binary.LittleEndian, h) + + // Zero out sections [1]~[65294]. + buf.Write(bytes.Repeat([]byte{0}, 0x13ED1C-binary.Size(h))) + + // Write section [65295]. Section [65295] are all zeros except for the + // last 48 bytes. + buf.Write(bytes.Repeat([]byte{0}, 0x03FC28-12*4)) + for i := 0; i < 12; i++ { + binary.Write(&buf, binary.LittleEndian, uint32(0xFF00|i)) + } + + // Write section [65296]. + buf.Write([]byte{0}) + buf.Write([]byte("y.c\x00")) + for i := 1; i <= 65288; i++ { + // var_0001 ~ var_ff08 + name := fmt.Sprintf("var_%04x", i) + buf.Write([]byte(name)) + buf.Write([]byte{0}) + } + + // Write section [65297]. + buf.Write([]byte{0}) + buf.Write([]byte(".symtab\x00")) + buf.Write([]byte(".strtab\x00")) + buf.Write([]byte(".shstrtab\x00")) + buf.Write([]byte(".text\x00")) + buf.Write([]byte(".data\x00")) + buf.Write([]byte(".bss\x00")) + for i := 1; i <= 65288; i++ { + // s_0001 ~ s_ff08 + name := fmt.Sprintf("section_%04x", i) + buf.Write([]byte(name)) + buf.Write([]byte{0}) + } + buf.Write([]byte(".comment\x00")) + buf.Write([]byte(".note.GNU-stack\x00")) + buf.Write([]byte(".symtab_shndx\x00")) + + // Write section header table. + // NULL + binary.Write(&buf, binary.LittleEndian, Section32{Name: 0, Size: 0xFF12, Link: 0xFF11}) + // .text + binary.Write(&buf, binary.LittleEndian, Section32{ + Name: 0x1B, + Type: uint32(SHT_PROGBITS), + Flags: uint32(uint32(SHF_ALLOC | SHF_EXECINSTR)), + Off: 0x34, + Addralign: 0x01, + }) + // .data + binary.Write(&buf, binary.LittleEndian, Section32{ + Name: 0x21, + Type: uint32(SHT_PROGBITS), + Flags: uint32(SHF_WRITE | SHF_ALLOC), + Off: 0x34, + Addralign: 0x01, + }) + // .bss + binary.Write(&buf, binary.LittleEndian, Section32{ + Name: 0x27, + Type: uint32(SHT_NOBITS), + Flags: uint32(SHF_WRITE | SHF_ALLOC), + Off: 0x34, + Addralign: 0x01, + }) + // s_1 ~ s_65537 + for i := 0; i < 65288; i++ { + s := Section32{ + Name: uint32(0x2C + i*13), + Type: uint32(SHT_PROGBITS), + Flags: uint32(SHF_WRITE | SHF_ALLOC), + Off: uint32(0x34 + i*4), + Size: 0x04, + Addralign: 0x04, + } + binary.Write(&buf, binary.LittleEndian, s) + } + // .comment + binary.Write(&buf, binary.LittleEndian, Section32{ + Name: 0x0CF394, + Type: uint32(SHT_PROGBITS), + Flags: uint32(SHF_MERGE | SHF_STRINGS), + Off: 0x03FC54, + Size: 0x27, + Addralign: 0x01, + Entsize: 0x01, + }) + // .note.GNU-stack + binary.Write(&buf, binary.LittleEndian, Section32{ + Name: 0x0CF39D, + Type: uint32(SHT_PROGBITS), + Off: 0x03FC7B, + Addralign: 0x01, + }) + // .symtab + binary.Write(&buf, binary.LittleEndian, Section32{ + Name: 0x01, + Type: uint32(SHT_SYMTAB), + Off: 0x03FC7C, + Size: 0x0FF0A0, + Link: 0xFF10, + Info: 0x02, + Addralign: 0x04, + Entsize: 0x10, + }) + // .symtab_shndx + binary.Write(&buf, binary.LittleEndian, Section32{ + Name: 0x0CF3AD, + Type: uint32(SHT_SYMTAB_SHNDX), + Off: 0x13ED1C, + Size: 0x03FC28, + Link: 0xFF0E, + Addralign: 0x04, + Entsize: 0x04, + }) + // .strtab + binary.Write(&buf, binary.LittleEndian, Section32{ + Name: 0x09, + Type: uint32(SHT_STRTAB), + Off: 0x17E944, + Size: 0x08F74D, + Addralign: 0x01, + }) + // .shstrtab + binary.Write(&buf, binary.LittleEndian, Section32{ + Name: 0x11, + Type: uint32(SHT_STRTAB), + Off: 0x20E091, + Size: 0x0CF3BB, + Addralign: 0x01, + }) + } + + data := buf.Bytes() + + f, err := NewFile(bytes.NewReader(data)) + if err != nil { + t.Errorf("cannot create file from data: %v", err) + } + defer f.Close() + + wantFileHeader := FileHeader{ + Class: ELFCLASS32, + Data: ELFDATA2LSB, + Version: EV_CURRENT, + OSABI: ELFOSABI_NONE, + ByteOrder: binary.LittleEndian, + Type: ET_REL, + Machine: EM_386, + } + if f.FileHeader != wantFileHeader { + t.Errorf("\nhave %#v\nwant %#v\n", f.FileHeader, wantFileHeader) + } + + wantSectionNum := 65298 + if len(f.Sections) != wantSectionNum { + t.Errorf("len(Sections) = %d, want %d", len(f.Sections), wantSectionNum) + } + + wantSectionHeader := SectionHeader{ + Name: "section_0007", + Type: SHT_PROGBITS, + Flags: SHF_WRITE + SHF_ALLOC, + Offset: 0x4c, + Size: 0x4, + Addralign: 0x4, + FileSize: 0x4, + } + if f.Sections[10].SectionHeader != wantSectionHeader { + t.Errorf("\nhave %#v\nwant %#v\n", f.Sections[10].SectionHeader, wantSectionHeader) + } +} + +func TestIssue10996(t *testing.T) { + data := []byte("\u007fELF\x02\x01\x010000000000000" + + "\x010000000000000000000" + + "\x00\x00\x00\x00\x00\x00\x00\x0000000000\x00\x00\x00\x00" + + "0000") + _, err := NewFile(bytes.NewReader(data)) + if err == nil { + t.Fatalf("opening invalid ELF file unexpectedly succeeded") + } +} + +func TestDynValue(t *testing.T) { + const testdata = "testdata/gcc-amd64-linux-exec" + f, err := Open(testdata) + if err != nil { + t.Fatalf("could not read %s: %v", testdata, err) + } + defer f.Close() + + vals, err := f.DynValue(DT_VERNEEDNUM) + if err != nil { + t.Fatalf("DynValue(DT_VERNEEDNUM): got unexpected error %v", err) + } + + if len(vals) != 1 || vals[0] != 1 { + t.Errorf("DynValue(DT_VERNEEDNUM): got %v, want [1]", vals) + } +} + +func TestIssue59208(t *testing.T) { + // corrupted dwarf data should raise invalid dwarf data instead of invalid zlib + const orig = "testdata/compressed-64.obj" + f, err := Open(orig) + if err != nil { + t.Fatal(err) + } + sec := f.Section(".debug_info") + + data, err := os.ReadFile(orig) + if err != nil { + t.Fatal(err) + } + + dn := make([]byte, len(data)) + zoffset := sec.Offset + uint64(sec.compressionOffset) + copy(dn, data[:zoffset]) + + ozd, err := sec.Data() + if err != nil { + t.Fatal(err) + } + buf := bytes.NewBuffer(nil) + wr := zlib.NewWriter(buf) + // corrupt origin data same as COMPRESS_ZLIB + copy(ozd, []byte{1, 0, 0, 0}) + wr.Write(ozd) + wr.Close() + + copy(dn[zoffset:], buf.Bytes()) + copy(dn[sec.Offset+sec.FileSize:], data[sec.Offset+sec.FileSize:]) + + nf, err := NewFile(bytes.NewReader(dn)) + if err != nil { + t.Error(err) + } + + const want = "decoding dwarf section info" + _, err = nf.DWARF() + if err == nil || !strings.Contains(err.Error(), want) { + t.Errorf("DWARF = %v; want %q", err, want) + } +} diff --git a/src/debug/elf/reader.go b/src/debug/elf/reader.go new file mode 100644 index 0000000..a458436 --- /dev/null +++ b/src/debug/elf/reader.go @@ -0,0 +1,108 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package elf + +import ( + "io" + "os" +) + +// errorReader returns error from all operations. +type errorReader struct { + error +} + +func (r errorReader) Read(p []byte) (n int, err error) { + return 0, r.error +} + +func (r errorReader) ReadAt(p []byte, off int64) (n int, err error) { + return 0, r.error +} + +func (r errorReader) Seek(offset int64, whence int) (int64, error) { + return 0, r.error +} + +func (r errorReader) Close() error { + return r.error +} + +// readSeekerFromReader converts an io.Reader into an io.ReadSeeker. +// In general Seek may not be efficient, but it is optimized for +// common cases such as seeking to the end to find the length of the +// data. +type readSeekerFromReader struct { + reset func() (io.Reader, error) + r io.Reader + size int64 + offset int64 +} + +func (r *readSeekerFromReader) start() { + x, err := r.reset() + if err != nil { + r.r = errorReader{err} + } else { + r.r = x + } + r.offset = 0 +} + +func (r *readSeekerFromReader) Read(p []byte) (n int, err error) { + if r.r == nil { + r.start() + } + n, err = r.r.Read(p) + r.offset += int64(n) + return n, err +} + +func (r *readSeekerFromReader) Seek(offset int64, whence int) (int64, error) { + var newOffset int64 + switch whence { + case seekStart: + newOffset = offset + case seekCurrent: + newOffset = r.offset + offset + case seekEnd: + newOffset = r.size + offset + default: + return 0, os.ErrInvalid + } + + switch { + case newOffset == r.offset: + return newOffset, nil + + case newOffset < 0, newOffset > r.size: + return 0, os.ErrInvalid + + case newOffset == 0: + r.r = nil + + case newOffset == r.size: + r.r = errorReader{io.EOF} + + default: + if newOffset < r.offset { + // Restart at the beginning. + r.start() + } + // Read until we reach offset. + var buf [512]byte + for r.offset < newOffset { + b := buf[:] + if newOffset-r.offset < int64(len(buf)) { + b = buf[:newOffset-r.offset] + } + if _, err := r.Read(b); err != nil { + return 0, err + } + } + } + r.offset = newOffset + return r.offset, nil +} diff --git a/src/debug/elf/symbols_test.go b/src/debug/elf/symbols_test.go new file mode 100644 index 0000000..42f0231 --- /dev/null +++ b/src/debug/elf/symbols_test.go @@ -0,0 +1,838 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package elf + +import ( + "io" + "path" + "reflect" + "testing" +) + +// TODO: remove duplicate code +func TestSymbols(t *testing.T) { + do := func(file string, ts []Symbol, getfunc func(*File) ([]Symbol, error)) { + var f *File + var err error + if path.Ext(file) == ".gz" { + var r io.ReaderAt + if r, err = decompress(file); err == nil { + f, err = NewFile(r) + } + } else { + f, err = Open(file) + } + if err != nil { + t.Errorf("TestSymbols: cannot open file %s: %v", file, err) + return + } + defer f.Close() + fs, err := getfunc(f) + if err != nil && err != ErrNoSymbols { + t.Error(err) + return + } else if err == ErrNoSymbols { + fs = []Symbol{} + } + if !reflect.DeepEqual(ts, fs) { + t.Errorf("%s: Symbols = %v, want %v", file, ts, fs) + } + } + for file, ts := range symbolsGolden { + do(file, ts, (*File).Symbols) + } + for file, ts := range dynamicSymbolsGolden { + do(file, ts, (*File).DynamicSymbols) + } +} + +// golden symbol table data generated by testdata/getgoldsym.c + +var symbolsGolden = map[string][]Symbol{ + "testdata/gcc-amd64-linux-exec": { + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x1, + Value: 0x400200, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x2, + Value: 0x40021C, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x3, + Value: 0x400240, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x4, + Value: 0x400268, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x5, + Value: 0x400288, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x6, + Value: 0x4002E8, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x7, + Value: 0x400326, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x8, + Value: 0x400330, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x9, + Value: 0x400350, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0xA, + Value: 0x400368, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0xB, + Value: 0x400398, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0xC, + Value: 0x4003B0, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0xD, + Value: 0x4003E0, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0xE, + Value: 0x400594, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0xF, + Value: 0x4005A4, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x10, + Value: 0x4005B8, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x11, + Value: 0x4005E0, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x12, + Value: 0x600688, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x13, + Value: 0x600698, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x14, + Value: 0x6006A8, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x15, + Value: 0x6006B0, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x16, + Value: 0x600850, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x17, + Value: 0x600858, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x18, + Value: 0x600880, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x19, + Value: 0x600898, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x1A, + Value: 0x0, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x1B, + Value: 0x0, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x1C, + Value: 0x0, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x1D, + Value: 0x0, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x1E, + Value: 0x0, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x1F, + Value: 0x0, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x20, + Value: 0x0, + Size: 0x0, + }, + Symbol{ + Name: "", + Info: 0x3, + Other: 0x0, + Section: 0x21, + Value: 0x0, + Size: 0x0, + }, + Symbol{ + Name: "init.c", + Info: 0x4, + Other: 0x0, + Section: 0xFFF1, + Value: 0x0, + Size: 0x0, + }, + Symbol{ + Name: "initfini.c", + Info: 0x4, + Other: 0x0, + Section: 0xFFF1, + Value: 0x0, + Size: 0x0, + }, + Symbol{ + Name: "call_gmon_start", + Info: 0x2, + Other: 0x0, + Section: 0xD, + Value: 0x40040C, + Size: 0x0, + }, + Symbol{ + Name: "crtstuff.c", + Info: 0x4, + Other: 0x0, + Section: 0xFFF1, + Value: 0x0, + Size: 0x0, + }, + Symbol{ + Name: "__CTOR_LIST__", + Info: 0x1, + Other: 0x0, + Section: 0x12, + Value: 0x600688, + Size: 0x0, + }, + Symbol{ + Name: "__DTOR_LIST__", + Info: 0x1, + Other: 0x0, + Section: 0x13, + Value: 0x600698, + Size: 0x0, + }, + Symbol{ + Name: "__JCR_LIST__", + Info: 0x1, + Other: 0x0, + Section: 0x14, + Value: 0x6006A8, + Size: 0x0, + }, + Symbol{ + Name: "__do_global_dtors_aux", + Info: 0x2, + Other: 0x0, + Section: 0xD, + Value: 0x400430, + Size: 0x0, + }, + Symbol{ + Name: "completed.6183", + Info: 0x1, + Other: 0x0, + Section: 0x19, + Value: 0x600898, + Size: 0x1, + }, + Symbol{ + Name: "p.6181", + Info: 0x1, + Other: 0x0, + Section: 0x18, + Value: 0x600890, + Size: 0x0, + }, + Symbol{ + Name: "frame_dummy", + Info: 0x2, + Other: 0x0, + Section: 0xD, + Value: 0x400470, + Size: 0x0, + }, + Symbol{ + Name: "crtstuff.c", + Info: 0x4, + Other: 0x0, + Section: 0xFFF1, + Value: 0x0, + Size: 0x0, + }, + Symbol{ + Name: "__CTOR_END__", + Info: 0x1, + Other: 0x0, + Section: 0x12, + Value: 0x600690, + Size: 0x0, + }, + Symbol{ + Name: "__DTOR_END__", + Info: 0x1, + Other: 0x0, + Section: 0x13, + Value: 0x6006A0, + Size: 0x0, + }, + Symbol{ + Name: "__FRAME_END__", + Info: 0x1, + Other: 0x0, + Section: 0x11, + Value: 0x400680, + Size: 0x0, + }, + Symbol{ + Name: "__JCR_END__", + Info: 0x1, + Other: 0x0, + Section: 0x14, + Value: 0x6006A8, + Size: 0x0, + }, + Symbol{ + Name: "__do_global_ctors_aux", + Info: 0x2, + Other: 0x0, + Section: 0xD, + Value: 0x400560, + Size: 0x0, + }, + Symbol{ + Name: "initfini.c", + Info: 0x4, + Other: 0x0, + Section: 0xFFF1, + Value: 0x0, + Size: 0x0, + }, + Symbol{ + Name: "hello.c", + Info: 0x4, + Other: 0x0, + Section: 0xFFF1, + Value: 0x0, + Size: 0x0, + }, + Symbol{ + Name: "_GLOBAL_OFFSET_TABLE_", + Info: 0x1, + Other: 0x2, + Section: 0x17, + Value: 0x600858, + Size: 0x0, + }, + Symbol{ + Name: "__init_array_end", + Info: 0x0, + Other: 0x2, + Section: 0x12, + Value: 0x600684, + Size: 0x0, + }, + Symbol{ + Name: 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a/src/debug/elf/testdata/go-relocation-test-gcc930-ranges-with-rela-x86-64 b/src/debug/elf/testdata/go-relocation-test-gcc930-ranges-with-rela-x86-64 Binary files differnew file mode 100644 index 0000000..51e03aa --- /dev/null +++ b/src/debug/elf/testdata/go-relocation-test-gcc930-ranges-with-rela-x86-64 diff --git a/src/debug/elf/testdata/hello-world-core.gz b/src/debug/elf/testdata/hello-world-core.gz Binary files differnew file mode 100644 index 0000000..6d76ab0 --- /dev/null +++ b/src/debug/elf/testdata/hello-world-core.gz diff --git a/src/debug/elf/testdata/hello.c b/src/debug/elf/testdata/hello.c new file mode 100644 index 0000000..34d9ee7 --- /dev/null +++ b/src/debug/elf/testdata/hello.c @@ -0,0 +1,7 @@ +#include <stdio.h> + +void +main(int argc, char *argv[]) +{ + printf("hello, world\n"); +} diff --git a/src/debug/elf/testdata/multiple-code-sections.c b/src/debug/elf/testdata/multiple-code-sections.c new file mode 100644 index 0000000..03b9d53 --- /dev/null +++ b/src/debug/elf/testdata/multiple-code-sections.c @@ -0,0 +1,28 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Build with: +// gcc -g multiple-code-sections.c -Wl,--emit-relocs -Wl,--discard-none -Wl,-zmax-page-size=1 -fno-asynchronous-unwind-tables -o go-relocation-test-gcc930-ranges-with-rela-x86-64 +// gcc -g multiple-code-sections.c -Wl,-zmax-page-size=1 -fno-asynchronous-unwind-tables -o go-relocation-test-gcc930-ranges-no-rela-x86-64 +// Strip with: +// strip --only-keep-debug \ +// --remove-section=.eh_frame \ +// --remove-section=.eh_frame_hdr \ +// --remove-section=.shstrtab \ +// --remove-section=.strtab \ +// --remove-section=.symtab \ +// --remove-section=.note.gnu.build-id \ +// --remove-section=.note.ABI-tag \ +// --remove-section=.dynamic \ +// --remove-section=.gnu.hash \ +// --remove-section=.interp \ +// --remove-section=.rodata +__attribute__((section(".separate_section"))) // To get GCC to emit a DW_AT_ranges attribute for the CU. +int func(void) { + return 0; +} + +int main(int argc, char *argv[]) { + return 0; +} diff --git a/src/debug/elf/testdata/zdebug-test-gcc484-x86-64.obj b/src/debug/elf/testdata/zdebug-test-gcc484-x86-64.obj Binary files differnew file mode 100644 index 0000000..a595a01 --- /dev/null +++ b/src/debug/elf/testdata/zdebug-test-gcc484-x86-64.obj |