| 1 |
1275 |
phoenix |
/*
|
| 2 |
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
| 3 |
|
|
* License. See the file "COPYING" in the main directory of this archive
|
| 4 |
|
|
* for more details.
|
| 5 |
|
|
*/
|
| 6 |
|
|
#ifndef _ASM_ELF_H
|
| 7 |
|
|
#define _ASM_ELF_H
|
| 8 |
|
|
|
| 9 |
|
|
#include <asm/ptrace.h>
|
| 10 |
|
|
#include <asm/user.h>
|
| 11 |
|
|
|
| 12 |
|
|
/* ELF header e_flags defines. */
|
| 13 |
|
|
/* MIPS architecture level. */
|
| 14 |
|
|
#define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code. */
|
| 15 |
|
|
#define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code. */
|
| 16 |
|
|
#define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code. */
|
| 17 |
|
|
#define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code. */
|
| 18 |
|
|
#define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */
|
| 19 |
|
|
#define EF_MIPS_ARCH_32 0x50000000 /* MIPS32 code. */
|
| 20 |
|
|
#define EF_MIPS_ARCH_64 0x60000000 /* MIPS64 code. */
|
| 21 |
|
|
/* The ABI of a file. */
|
| 22 |
|
|
#define EF_MIPS_ABI_O32 0x00001000 /* O32 ABI. */
|
| 23 |
|
|
#define EF_MIPS_ABI_O64 0x00002000 /* O32 extended for 64 bit. */
|
| 24 |
|
|
|
| 25 |
|
|
#ifndef ELF_ARCH
|
| 26 |
|
|
/* ELF register definitions */
|
| 27 |
|
|
#define ELF_NGREG 45
|
| 28 |
|
|
#define ELF_NFPREG 33
|
| 29 |
|
|
|
| 30 |
|
|
typedef unsigned long elf_greg_t;
|
| 31 |
|
|
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
|
| 32 |
|
|
|
| 33 |
|
|
typedef double elf_fpreg_t;
|
| 34 |
|
|
typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
|
| 35 |
|
|
|
| 36 |
|
|
/*
|
| 37 |
|
|
* This is used to ensure we don't load something for the wrong architecture.
|
| 38 |
|
|
*/
|
| 39 |
|
|
#define elf_check_arch(hdr) \
|
| 40 |
|
|
({ \
|
| 41 |
|
|
int __res = 1; \
|
| 42 |
|
|
struct elfhdr *__h = (hdr); \
|
| 43 |
|
|
\
|
| 44 |
|
|
if (__h->e_machine != EM_MIPS) \
|
| 45 |
|
|
__res = 0; \
|
| 46 |
|
|
if (__h->e_ident[EI_CLASS] == ELFCLASS32) \
|
| 47 |
|
|
__res = 0; \
|
| 48 |
|
|
\
|
| 49 |
|
|
__res; \
|
| 50 |
|
|
})
|
| 51 |
|
|
|
| 52 |
|
|
/*
|
| 53 |
|
|
* These are used to set parameters in the core dumps.
|
| 54 |
|
|
*/
|
| 55 |
|
|
#define ELF_CLASS ELFCLASS64
|
| 56 |
|
|
#ifdef __MIPSEB__
|
| 57 |
|
|
#define ELF_DATA ELFDATA2MSB
|
| 58 |
|
|
#elif __MIPSEL__
|
| 59 |
|
|
#define ELF_DATA ELFDATA2LSB
|
| 60 |
|
|
#endif
|
| 61 |
|
|
#define ELF_ARCH EM_MIPS
|
| 62 |
|
|
#endif /* !defined(ELF_ARCH) */
|
| 63 |
|
|
|
| 64 |
|
|
#define USE_ELF_CORE_DUMP
|
| 65 |
|
|
#define ELF_EXEC_PAGESIZE PAGE_SIZE
|
| 66 |
|
|
|
| 67 |
|
|
#define ELF_CORE_COPY_REGS(_dest,_regs) \
|
| 68 |
|
|
memcpy((char *) &_dest, (char *) _regs, \
|
| 69 |
|
|
sizeof(struct pt_regs));
|
| 70 |
|
|
|
| 71 |
|
|
/* This yields a mask that user programs can use to figure out what
|
| 72 |
|
|
instruction set this cpu supports. This could be done in userspace,
|
| 73 |
|
|
but it's not easy, and we've already done it here. */
|
| 74 |
|
|
|
| 75 |
|
|
#define ELF_HWCAP (0)
|
| 76 |
|
|
|
| 77 |
|
|
/* This yields a string that ld.so will use to load implementation
|
| 78 |
|
|
specific libraries for optimization. This is more specific in
|
| 79 |
|
|
intent than poking at uname or /proc/cpuinfo.
|
| 80 |
|
|
|
| 81 |
|
|
For the moment, we have only optimizations for the Intel generations,
|
| 82 |
|
|
but that could change... */
|
| 83 |
|
|
|
| 84 |
|
|
#define ELF_PLATFORM (NULL)
|
| 85 |
|
|
|
| 86 |
|
|
/*
|
| 87 |
|
|
* See comments in asm-alpha/elf.h, this is the same thing
|
| 88 |
|
|
* on the MIPS.
|
| 89 |
|
|
*/
|
| 90 |
|
|
#define ELF_PLAT_INIT(_r, load_addr) do { \
|
| 91 |
|
|
_r->regs[1] = _r->regs[2] = _r->regs[3] = _r->regs[4] = 0; \
|
| 92 |
|
|
_r->regs[5] = _r->regs[6] = _r->regs[7] = _r->regs[8] = 0; \
|
| 93 |
|
|
_r->regs[9] = _r->regs[10] = _r->regs[11] = _r->regs[12] = 0; \
|
| 94 |
|
|
_r->regs[13] = _r->regs[14] = _r->regs[15] = _r->regs[16] = 0; \
|
| 95 |
|
|
_r->regs[17] = _r->regs[18] = _r->regs[19] = _r->regs[20] = 0; \
|
| 96 |
|
|
_r->regs[21] = _r->regs[22] = _r->regs[23] = _r->regs[24] = 0; \
|
| 97 |
|
|
_r->regs[25] = _r->regs[26] = _r->regs[27] = _r->regs[28] = 0; \
|
| 98 |
|
|
_r->regs[30] = _r->regs[31] = 0; \
|
| 99 |
|
|
} while (0)
|
| 100 |
|
|
|
| 101 |
|
|
/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
|
| 102 |
|
|
use of this is to invoke "./ld.so someprog" to test out a new version of
|
| 103 |
|
|
the loader. We need to make sure that it is out of the way of the program
|
| 104 |
|
|
that it will "exec", and that there is sufficient room for the brk. */
|
| 105 |
|
|
|
| 106 |
|
|
#ifndef ELF_ET_DYN_BASE
|
| 107 |
|
|
#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
|
| 108 |
|
|
#endif
|
| 109 |
|
|
|
| 110 |
|
|
#ifdef __KERNEL__
|
| 111 |
|
|
#define SET_PERSONALITY(ex, ibcs2) \
|
| 112 |
|
|
do { current->thread.mflags &= ~MF_ABI_MASK; \
|
| 113 |
|
|
if ((ex).e_ident[EI_CLASS] == ELFCLASS32) { \
|
| 114 |
|
|
if ((((ex).e_flags & EF_MIPS_ABI2) != 0) && \
|
| 115 |
|
|
((ex).e_flags & EF_MIPS_ABI) == 0) \
|
| 116 |
|
|
current->thread.mflags |= MF_N32; \
|
| 117 |
|
|
else \
|
| 118 |
|
|
current->thread.mflags |= MF_O32; \
|
| 119 |
|
|
} else \
|
| 120 |
|
|
current->thread.mflags |= MF_N64; \
|
| 121 |
|
|
if (ibcs2) \
|
| 122 |
|
|
set_personality(PER_SVR4); \
|
| 123 |
|
|
else if (current->personality != PER_LINUX32) \
|
| 124 |
|
|
set_personality(PER_LINUX); \
|
| 125 |
|
|
} while (0)
|
| 126 |
|
|
#endif
|
| 127 |
|
|
|
| 128 |
|
|
#endif /* _ASM_ELF_H */
|
