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Diffstat (limited to 'include/iprt/formats/elf-amd64.h')
| -rw-r--r-- | include/iprt/formats/elf-amd64.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/include/iprt/formats/elf-amd64.h b/include/iprt/formats/elf-amd64.h new file mode 100644 index 00000000..c0c7f0c1 --- /dev/null +++ b/include/iprt/formats/elf-amd64.h @@ -0,0 +1,131 @@ +/*- + * Copyright (c) 1996-1997 John D. Polstra. + * 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. + */ + +#ifndef IPRT_INCLUDED_formats_elf_amd64_h +#define IPRT_INCLUDED_formats_elf_amd64_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +/* + * ELF definitions for the AMD64 architecture. + */ + +#if 0 /* later */ +/* + * Auxiliary vector entries for passing information to the interpreter. + * + * The i386 supplement to the SVR4 ABI specification names this "auxv_t", + * but POSIX lays claim to all symbols ending with "_t". + */ +typedef struct { /* Auxiliary vector entry on initial stack */ + int a_type; /* Entry type. */ + union { + int a_val; /* Integer value. */ + } a_un; +} Elf32_Auxinfo; + + +typedef struct { /* Auxiliary vector entry on initial stack */ + long a_type; /* Entry type. */ + union { + long a_val; /* Integer value. */ + void *a_ptr; /* Address. */ + void (*a_fcn)(void); /* Function pointer (not used). */ + } a_un; +} Elf64_Auxinfo; + +__ElfType(Auxinfo); + +/* Values for a_type. */ +#define AT_NULL 0 /* Terminates the vector. */ +#define AT_IGNORE 1 /* Ignored entry. */ +#define AT_EXECFD 2 /* File descriptor of program to load. */ +#define AT_PHDR 3 /* Program header of program already loaded. */ +#define AT_PHENT 4 /* Size of each program header entry. */ +#define AT_PHNUM 5 /* Number of program header entries. */ +#define AT_PAGESZ 6 /* Page size in bytes. */ +#define AT_BASE 7 /* Interpreter's base address. */ +#define AT_FLAGS 8 /* Flags (unused for i386). */ +#define AT_ENTRY 9 /* Where interpreter should transfer control. */ + +/* + * The following non-standard values are used for passing information + * from John Polstra's testbed program to the dynamic linker. These + * are expected to go away soon. + * + * Unfortunately, these overlap the Linux non-standard values, so they + * must not be used in the same context. + */ +#define AT_BRK 10 /* Starting point for sbrk and brk. */ +#define AT_DEBUG 11 /* Debugging level. */ + +/* + * The following non-standard values are used in Linux ELF binaries. + */ +#define AT_NOTELF 10 /* Program is not ELF ?? */ +#define AT_UID 11 /* Real uid. */ +#define AT_EUID 12 /* Effective uid. */ +#define AT_GID 13 /* Real gid. */ +#define AT_EGID 14 /* Effective gid. */ + +#define AT_COUNT 15 /* Count of defined aux entry types. */ + +#endif /* later */ + +/* + * Relocation types. + */ + +#define R_X86_64_NONE 0 /* No relocation. */ +#define R_X86_64_64 1 /* Add 64 bit symbol value. */ +#define R_X86_64_PC32 2 /* PC-relative 32 bit signed sym value. */ +#define R_X86_64_GOT32 3 /* PC-relative 32 bit GOT offset. */ +#define R_X86_64_PLT32 4 /* PC-relative 32 bit PLT offset. */ +#define R_X86_64_COPY 5 /* Copy data from shared object. */ +#define R_X86_64_GLOB_DAT 6 /* Set GOT entry to data address. */ +#define R_X86_64_JMP_SLOT 7 /* Set GOT entry to code address. */ +#define R_X86_64_RELATIVE 8 /* Add load address of shared object. */ +#define R_X86_64_GOTPCREL 9 /* Add 32 bit signed pcrel offset to GOT. */ +#define R_X86_64_32 10 /* Add 32 bit zero extended symbol value */ +#define R_X86_64_32S 11 /* Add 32 bit sign extended symbol value */ +#define R_X86_64_16 12 /* Add 16 bit zero extended symbol value */ +#define R_X86_64_PC16 13 /* Add 16 bit signed extended pc relative symbol value */ +#define R_X86_64_8 14 /* Add 8 bit zero extended symbol value */ +#define R_X86_64_PC8 15 /* Add 8 bit signed extended pc relative symbol value */ +#define R_X86_64_DTPMOD64 16 /* ID of module containing symbol */ +#define R_X86_64_DTPOFF64 17 /* Offset in TLS block */ +#define R_X86_64_TPOFF64 18 /* Offset in static TLS block */ +#define R_X86_64_TLSGD 19 /* PC relative offset to GD GOT entry */ +#define R_X86_64_TLSLD 20 /* PC relative offset to LD GOT entry */ +#define R_X86_64_DTPOFF32 21 /* Offset in TLS block */ +#define R_X86_64_GOTTPOFF 22 /* PC relative offset to IE GOT entry */ +#define R_X86_64_TPOFF32 23 /* Offset in static TLS block */ + +#define R_X86_64_COUNT 24 /* Count of defined relocation types. */ + +#endif /* !IPRT_INCLUDED_formats_elf_amd64_h */ + |