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phoenix |
/* $Id: elf.h,v 1.1.1.1 2004-04-15 03:00:56 phoenix Exp $ */
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#ifndef __ASM_SPARC64_ELF_H
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#define __ASM_SPARC64_ELF_H
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/*
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* ELF register definitions..
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*/
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#include <asm/ptrace.h>
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#ifdef __KERNEL__
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#include <asm/processor.h>
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#endif
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/*
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* These are used to set parameters in the core dumps.
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*/
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#ifndef ELF_ARCH
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#define ELF_ARCH EM_SPARCV9
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#define ELF_CLASS ELFCLASS64
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#define ELF_DATA ELFDATA2MSB
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typedef unsigned long elf_greg_t;
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#define ELF_NGREG 36
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typedef elf_greg_t elf_gregset_t[ELF_NGREG];
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/* Format of 64-bit elf_gregset_t is:
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* G0 --> G7
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* O0 --> O7
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* L0 --> L7
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* I0 --> I7
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* TSTATE
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* TPC
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* TNPC
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* Y
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*/
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#include <asm/psrcompat.h>
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#define ELF_CORE_COPY_REGS(__elf_regs, __pt_regs) \
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do { unsigned long *dest = &(__elf_regs[0]); \
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struct pt_regs *src = (__pt_regs); \
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unsigned long *sp; \
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int i; \
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for(i = 0; i < 16; i++) \
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dest[i] = src->u_regs[i]; \
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/* Don't try this at home kids... */ \
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set_fs(USER_DS); \
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sp = (unsigned long *) \
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((src->u_regs[14] + STACK_BIAS) \
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& 0xfffffffffffffff8UL); \
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for(i = 0; i < 16; i++) \
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__get_user(dest[i+16], &sp[i]); \
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set_fs(KERNEL_DS); \
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dest[32] = src->tstate; \
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dest[33] = src->tpc; \
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dest[34] = src->tnpc; \
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dest[35] = src->y; \
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} while (0);
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typedef struct {
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unsigned long pr_regs[32];
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unsigned long pr_fsr;
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unsigned long pr_gsr;
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unsigned long pr_fprs;
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} elf_fpregset_t;
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#endif
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/*
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* This is used to ensure we don't load something for the wrong architecture.
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*/
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#ifndef elf_check_arch
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#define elf_check_arch(x) ((x)->e_machine == ELF_ARCH) /* Might be EM_SPARCV9 or EM_SPARC */
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#endif
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#define USE_ELF_CORE_DUMP
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#define ELF_EXEC_PAGESIZE PAGE_SIZE
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/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
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use of this is to invoke "./ld.so someprog" to test out a new version of
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the loader. We need to make sure that it is out of the way of the program
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that it will "exec", and that there is sufficient room for the brk. */
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#ifndef ELF_ET_DYN_BASE
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#define ELF_ET_DYN_BASE 0x0000010000000000UL
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#endif
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/* This yields a mask that user programs can use to figure out what
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instruction set this cpu supports. */
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/* On Ultra, we support all of the v8 capabilities. */
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#define ELF_HWCAP ((HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
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HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV | \
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HWCAP_SPARC_V9) | \
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((tlb_type == cheetah || tlb_type == cheetah_plus) ? \
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HWCAP_SPARC_ULTRA3 : 0))
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/* This yields a string that ld.so will use to load implementation
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specific libraries for optimization. This is more specific in
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intent than poking at uname or /proc/cpuinfo. */
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#define ELF_PLATFORM (NULL)
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#ifdef __KERNEL__
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#define SET_PERSONALITY(ex, ibcs2) \
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do { unsigned char flags = current->thread.flags; \
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if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
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flags |= SPARC_FLAG_32BIT; \
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else \
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flags &= ~SPARC_FLAG_32BIT; \
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if (flags != current->thread.flags) { \
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/* flush_thread will update pgd cache */\
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current->thread.flags |= SPARC_FLAG_ABI_PENDING; \
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} else { \
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current->thread.flags &= ~SPARC_FLAG_ABI_PENDING; \
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} \
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if (ibcs2) \
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set_personality(PER_SVR4); \
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else if (current->personality != PER_LINUX32) \
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set_personality(PER_LINUX); \
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} while (0)
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#endif
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#endif /* !(__ASM_SPARC64_ELF_H) */
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