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Diffstat (limited to 'arch/sparc/include/asm/elf_64.h')
| -rw-r--r-- | arch/sparc/include/asm/elf_64.h | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h new file mode 100644 index 000000000..7e078bc73 --- /dev/null +++ b/arch/sparc/include/asm/elf_64.h @@ -0,0 +1,233 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_SPARC64_ELF_H +#define __ASM_SPARC64_ELF_H + +/* + * ELF register definitions.. + */ + +#include <asm/ptrace.h> +#include <asm/processor.h> +#include <asm/extable_64.h> +#include <asm/spitfire.h> +#include <asm/adi.h> + +/* + * Sparc section types + */ +#define STT_REGISTER 13 + +/* + * Sparc ELF relocation types + */ +#define R_SPARC_NONE 0 +#define R_SPARC_8 1 +#define R_SPARC_16 2 +#define R_SPARC_32 3 +#define R_SPARC_DISP8 4 +#define R_SPARC_DISP16 5 +#define R_SPARC_DISP32 6 +#define R_SPARC_WDISP30 7 +#define R_SPARC_WDISP22 8 +#define R_SPARC_HI22 9 +#define R_SPARC_22 10 +#define R_SPARC_13 11 +#define R_SPARC_LO10 12 +#define R_SPARC_GOT10 13 +#define R_SPARC_GOT13 14 +#define R_SPARC_GOT22 15 +#define R_SPARC_PC10 16 +#define R_SPARC_PC22 17 +#define R_SPARC_WPLT30 18 +#define R_SPARC_COPY 19 +#define R_SPARC_GLOB_DAT 20 +#define R_SPARC_JMP_SLOT 21 +#define R_SPARC_RELATIVE 22 +#define R_SPARC_UA32 23 +#define R_SPARC_PLT32 24 +#define R_SPARC_HIPLT22 25 +#define R_SPARC_LOPLT10 26 +#define R_SPARC_PCPLT32 27 +#define R_SPARC_PCPLT22 28 +#define R_SPARC_PCPLT10 29 +#define R_SPARC_10 30 +#define R_SPARC_11 31 +#define R_SPARC_64 32 +#define R_SPARC_OLO10 33 +#define R_SPARC_WDISP16 40 +#define R_SPARC_WDISP19 41 +#define R_SPARC_7 43 +#define R_SPARC_5 44 +#define R_SPARC_6 45 + +/* Bits present in AT_HWCAP, primarily for Sparc32. */ +#define HWCAP_SPARC_FLUSH 0x00000001 +#define HWCAP_SPARC_STBAR 0x00000002 +#define HWCAP_SPARC_SWAP 0x00000004 +#define HWCAP_SPARC_MULDIV 0x00000008 +#define HWCAP_SPARC_V9 0x00000010 +#define HWCAP_SPARC_ULTRA3 0x00000020 +#define HWCAP_SPARC_BLKINIT 0x00000040 +#define HWCAP_SPARC_N2 0x00000080 + +/* Solaris compatible AT_HWCAP bits. */ +#define AV_SPARC_MUL32 0x00000100 /* 32x32 multiply is efficient */ +#define AV_SPARC_DIV32 0x00000200 /* 32x32 divide is efficient */ +#define AV_SPARC_FSMULD 0x00000400 /* 'fsmuld' is efficient */ +#define AV_SPARC_V8PLUS 0x00000800 /* v9 insn available to 32bit */ +#define AV_SPARC_POPC 0x00001000 /* 'popc' is efficient */ +#define AV_SPARC_VIS 0x00002000 /* VIS insns available */ +#define AV_SPARC_VIS2 0x00004000 /* VIS2 insns available */ +#define AV_SPARC_ASI_BLK_INIT 0x00008000 /* block init ASIs available */ +#define AV_SPARC_FMAF 0x00010000 /* fused multiply-add */ +#define AV_SPARC_VIS3 0x00020000 /* VIS3 insns available */ +#define AV_SPARC_HPC 0x00040000 /* HPC insns available */ +#define AV_SPARC_RANDOM 0x00080000 /* 'random' insn available */ +#define AV_SPARC_TRANS 0x00100000 /* transaction insns available */ +#define AV_SPARC_FJFMAU 0x00200000 /* unfused multiply-add */ +#define AV_SPARC_IMA 0x00400000 /* integer multiply-add */ +#define AV_SPARC_ASI_CACHE_SPARING \ + 0x00800000 /* cache sparing ASIs available */ +#define AV_SPARC_PAUSE 0x01000000 /* PAUSE available */ +#define AV_SPARC_CBCOND 0x02000000 /* CBCOND insns available */ + +/* Solaris decided to enumerate every single crypto instruction type + * in the AT_HWCAP bits. This is wasteful, since if crypto is present, + * you still need to look in the CFR register to see if the opcode is + * really available. So we simply advertise only "crypto" support. + */ +#define HWCAP_SPARC_CRYPTO 0x04000000 /* CRYPTO insns available */ +#define HWCAP_SPARC_ADI 0x08000000 /* ADI available */ + +#define CORE_DUMP_USE_REGSET + +/* + * These are used to set parameters in the core dumps. + */ +#define ELF_ARCH EM_SPARCV9 +#define ELF_CLASS ELFCLASS64 +#define ELF_DATA ELFDATA2MSB + +/* Format of 64-bit elf_gregset_t is: + * G0 --> G7 + * O0 --> O7 + * L0 --> L7 + * I0 --> I7 + * TSTATE + * TPC + * TNPC + * Y + */ +typedef unsigned long elf_greg_t; +#define ELF_NGREG 36 +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; + +typedef struct { + unsigned long pr_regs[32]; + unsigned long pr_fsr; + unsigned long pr_gsr; + unsigned long pr_fprs; +} elf_fpregset_t; + +/* Format of 32-bit elf_gregset_t is: + * G0 --> G7 + * O0 --> O7 + * L0 --> L7 + * I0 --> I7 + * PSR, PC, nPC, Y, WIM, TBR + */ +typedef unsigned int compat_elf_greg_t; +#define COMPAT_ELF_NGREG 38 +typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG]; + +typedef struct { + union { + unsigned int pr_regs[32]; + unsigned long pr_dregs[16]; + } pr_fr; + unsigned int __unused; + unsigned int pr_fsr; + unsigned char pr_qcnt; + unsigned char pr_q_entrysize; + unsigned char pr_en; + unsigned int pr_q[64]; +} compat_elf_fpregset_t; + +/* UltraSparc extensions. Still unused, but will be eventually. */ +typedef struct { + unsigned int pr_type; + unsigned int pr_align; + union { + struct { + union { + unsigned int pr_regs[32]; + unsigned long pr_dregs[16]; + long double pr_qregs[8]; + } pr_xfr; + } pr_v8p; + unsigned int pr_xfsr; + unsigned int pr_fprs; + unsigned int pr_xg[8]; + unsigned int pr_xo[8]; + unsigned long pr_tstate; + unsigned int pr_filler[8]; + } pr_un; +} elf_xregset_t; + +/* + * This is used to ensure we don't load something for the wrong architecture. + */ +#define elf_check_arch(x) ((x)->e_machine == ELF_ARCH) +#define compat_elf_check_arch(x) ((x)->e_machine == EM_SPARC || \ + (x)->e_machine == EM_SPARC32PLUS) +#define compat_start_thread start_thread32 + +#define ELF_EXEC_PAGESIZE PAGE_SIZE + +/* This is the location that an ET_DYN program is loaded if exec'ed. Typical + use of this is to invoke "./ld.so someprog" to test out a new version of + the loader. We need to make sure that it is out of the way of the program + that it will "exec", and that there is sufficient room for the brk. */ + +#define ELF_ET_DYN_BASE 0x0000010000000000UL +#define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL + +extern unsigned long sparc64_elf_hwcap; +#define ELF_HWCAP sparc64_elf_hwcap + +/* This yields a string that ld.so will use to load implementation + specific libraries for optimization. This is more specific in + intent than poking at uname or /proc/cpuinfo. */ + +#define ELF_PLATFORM (NULL) + +#define SET_PERSONALITY(ex) \ +do { if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ + set_thread_flag(TIF_32BIT); \ + else \ + clear_thread_flag(TIF_32BIT); \ + /* flush_thread will update pgd cache */ \ + if (personality(current->personality) != PER_LINUX32) \ + set_personality(PER_LINUX | \ + (current->personality & (~PER_MASK))); \ +} while (0) + +extern unsigned int vdso_enabled; + +#define ARCH_DLINFO \ +do { \ + extern struct adi_config adi_state; \ + if (vdso_enabled) \ + NEW_AUX_ENT(AT_SYSINFO_EHDR, \ + (unsigned long)current->mm->context.vdso); \ + NEW_AUX_ENT(AT_ADI_BLKSZ, adi_state.caps.blksz); \ + NEW_AUX_ENT(AT_ADI_NBITS, adi_state.caps.nbits); \ + NEW_AUX_ENT(AT_ADI_UEONADI, adi_state.caps.ue_on_adi); \ +} while (0) + +struct linux_binprm; + +#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 +extern int arch_setup_additional_pages(struct linux_binprm *bprm, + int uses_interp); +#endif /* !(__ASM_SPARC64_ELF_H) */ |