elf.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:4k
- /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
- #ifndef _ASM_ELF_H
- #define _ASM_ELF_H
- #include <asm/ptrace.h>
- #include <asm/user.h>
- /* ELF header e_flags defines. */
- /* MIPS architecture level. */
- #define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code. */
- #define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code. */
- #define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code. */
- #define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code. */
- #define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */
- #define EF_MIPS_ARCH_32 0x50000000 /* MIPS32 code. */
- #define EF_MIPS_ARCH_64 0x60000000 /* MIPS64 code. */
- /* The ABI of a file. */
- #define EF_MIPS_ABI_O32 0x00001000 /* O32 ABI. */
- #define EF_MIPS_ABI_O64 0x00002000 /* O32 extended for 64 bit. */
- #ifndef ELF_ARCH
- /* ELF register definitions */
- #define ELF_NGREG 45
- #define ELF_NFPREG 33
- typedef unsigned long elf_greg_t;
- typedef elf_greg_t elf_gregset_t[ELF_NGREG];
- typedef double elf_fpreg_t;
- typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
- /*
- * This is used to ensure we don't load something for the wrong architecture.
- */
- #define elf_check_arch(hdr)
- ({
- int __res = 1;
- struct elfhdr *__h = (hdr);
-
- if (__h->e_machine != EM_MIPS)
- __res = 0;
- if ((__h->e_ident[EI_CLASS] == ELFCLASS32) &&
- ((__h->e_flags & EF_MIPS_ABI2) == 0))
- __res = 0;
-
- __res;
- })
- /*
- * These are used to set parameters in the core dumps.
- */
- #define ELF_CLASS ELFCLASS64
- #ifdef __MIPSEB__
- #define ELF_DATA ELFDATA2MSB
- #elif __MIPSEL__
- #define ELF_DATA ELFDATA2LSB
- #endif
- #define ELF_ARCH EM_MIPS
- #endif /* !defined(ELF_ARCH) */
- #define USE_ELF_CORE_DUMP
- #define ELF_EXEC_PAGESIZE 4096
- #define ELF_CORE_COPY_REGS(_dest,_regs)
- memcpy((char *) &_dest, (char *) _regs,
- sizeof(struct pt_regs));
- /* This yields a mask that user programs can use to figure out what
- instruction set this cpu supports. This could be done in userspace,
- but it's not easy, and we've already done it here. */
- #define ELF_HWCAP (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.
- For the moment, we have only optimizations for the Intel generations,
- but that could change... */
- #define ELF_PLATFORM (NULL)
- /*
- * See comments in asm-alpha/elf.h, this is the same thing
- * on the MIPS.
- */
- #define ELF_PLAT_INIT(_r) do {
- _r->regs[1] = _r->regs[2] = _r->regs[3] = _r->regs[4] = 0;
- _r->regs[5] = _r->regs[6] = _r->regs[7] = _r->regs[8] = 0;
- _r->regs[9] = _r->regs[10] = _r->regs[11] = _r->regs[12] = 0;
- _r->regs[13] = _r->regs[14] = _r->regs[15] = _r->regs[16] = 0;
- _r->regs[17] = _r->regs[18] = _r->regs[19] = _r->regs[20] = 0;
- _r->regs[21] = _r->regs[22] = _r->regs[23] = _r->regs[24] = 0;
- _r->regs[25] = _r->regs[26] = _r->regs[27] = _r->regs[28] = 0;
- _r->regs[30] = _r->regs[31] = 0;
- } while (0)
- /* 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 (TASK_SIZE / 3 * 2)
- #endif
- #ifdef __KERNEL__
- #define SET_PERSONALITY(ex, ibcs2)
- do { if ((ex).e_ident[EI_CLASS] == ELFCLASS32)
- current->thread.mflags |= MF_32BIT;
- else
- current->thread.mflags &= ~MF_32BIT;
- if (ibcs2)
- set_personality(PER_SVR4);
- else if (current->personality != PER_LINUX32)
- set_personality(PER_LINUX);
- } while (0)
- #endif
- #endif /* _ASM_ELF_H */