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Diffstat (limited to 'include/asm-sparc64/elf.h')
| -rw-r--r-- | include/asm-sparc64/elf.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/include/asm-sparc64/elf.h b/include/asm-sparc64/elf.h new file mode 100644 index 00000000000..91458118277 --- /dev/null +++ b/include/asm-sparc64/elf.h @@ -0,0 +1,181 @@ +/* $Id: elf.h,v 1.32 2002/02/09 19:49:31 davem Exp $ */ +#ifndef __ASM_SPARC64_ELF_H +#define __ASM_SPARC64_ELF_H + +/* + * ELF register definitions.. + */ + +#include <asm/ptrace.h> +#ifdef __KERNEL__ +#include <asm/processor.h> +#include <asm/uaccess.h> +#endif + +/* + * 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 1 /* CPU supports flush instruction. */ +#define HWCAP_SPARC_STBAR 2 +#define HWCAP_SPARC_SWAP 4 +#define HWCAP_SPARC_MULDIV 8 +#define HWCAP_SPARC_V9 16 +#define HWCAP_SPARC_ULTRA3 32 + +/* + * These are used to set parameters in the core dumps. + */ +#ifndef ELF_ARCH +#define ELF_ARCH EM_SPARCV9 +#define ELF_CLASS ELFCLASS64 +#define ELF_DATA ELFDATA2MSB + +typedef unsigned long elf_greg_t; + +#define ELF_NGREG 36 +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; +/* Format of 64-bit elf_gregset_t is: + * G0 --> G7 + * O0 --> O7 + * L0 --> L7 + * I0 --> I7 + * TSTATE + * TPC + * TNPC + * Y + */ +#define ELF_CORE_COPY_REGS(__elf_regs, __pt_regs) \ +do { unsigned long *dest = &(__elf_regs[0]); \ + struct pt_regs *src = (__pt_regs); \ + unsigned long __user *sp; \ + int i; \ + for(i = 0; i < 16; i++) \ + dest[i] = src->u_regs[i]; \ + /* Don't try this at home kids... */ \ + sp = (unsigned long __user *) \ + ((src->u_regs[14] + STACK_BIAS) \ + & 0xfffffffffffffff8UL); \ + for(i = 0; i < 16; i++) \ + __get_user(dest[i+16], &sp[i]); \ + dest[32] = src->tstate; \ + dest[33] = src->tpc; \ + dest[34] = src->tnpc; \ + dest[35] = src->y; \ +} while (0); + +typedef struct { + unsigned long pr_regs[32]; + unsigned long pr_fsr; + unsigned long pr_gsr; + unsigned long pr_fprs; +} elf_fpregset_t; +#endif + +#define ELF_CORE_COPY_TASK_REGS(__tsk, __elf_regs) \ + ({ ELF_CORE_COPY_REGS((*(__elf_regs)), (__tsk)->thread_info->kregs); 1; }) + +/* + * This is used to ensure we don't load something for the wrong architecture. + */ +#ifndef elf_check_arch +#define elf_check_arch(x) ((x)->e_machine == ELF_ARCH) /* Might be EM_SPARCV9 or EM_SPARC */ +#endif + +#define USE_ELF_CORE_DUMP +#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. */ + +#ifndef ELF_ET_DYN_BASE +#define ELF_ET_DYN_BASE 0x0000010000000000UL +#endif + + +/* This yields a mask that user programs can use to figure out what + instruction set this cpu supports. */ + +/* On Ultra, we support all of the v8 capabilities. */ +#define ELF_HWCAP ((HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \ + HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV | \ + HWCAP_SPARC_V9) | \ + ((tlb_type == cheetah || tlb_type == cheetah_plus) ? \ + HWCAP_SPARC_ULTRA3 : 0)) + +/* 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) + +#ifdef __KERNEL__ +#define SET_PERSONALITY(ex, ibcs2) \ +do { unsigned long new_flags = current_thread_info()->flags; \ + new_flags &= _TIF_32BIT; \ + if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ + new_flags |= _TIF_32BIT; \ + else \ + new_flags &= ~_TIF_32BIT; \ + if ((current_thread_info()->flags & _TIF_32BIT) \ + != new_flags) \ + set_thread_flag(TIF_ABI_PENDING); \ + else \ + clear_thread_flag(TIF_ABI_PENDING); \ + /* flush_thread will update pgd cache */ \ + if (ibcs2) \ + set_personality(PER_SVR4); \ + else if (current->personality != PER_LINUX32) \ + set_personality(PER_LINUX); \ +} while (0) +#endif + +#endif /* !(__ASM_SPARC64_ELF_H) */ |