blob: f994286e19985f0a084f934db67bf114e97ae812 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __ASM_SH64_ELF_H
2#define __ASM_SH64_ELF_H
3
4/*
5 * This file is subject to the terms and conditions of the GNU General Public
6 * License. See the file "COPYING" in the main directory of this archive
7 * for more details.
8 *
9 * include/asm-sh64/elf.h
10 *
11 * Copyright (C) 2000, 2001 Paolo Alberelli
12 *
13 */
14
15/*
16 * ELF register definitions..
17 */
18
19#include <asm/ptrace.h>
20#include <asm/user.h>
21#include <asm/byteorder.h>
22
23typedef unsigned long elf_greg_t;
24
25#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
26typedef elf_greg_t elf_gregset_t[ELF_NGREG];
27
28typedef struct user_fpu_struct elf_fpregset_t;
29
30/*
31 * This is used to ensure we don't load something for the wrong architecture.
32 */
33#define elf_check_arch(x) ( (x)->e_machine == EM_SH )
34
35/*
36 * These are used to set parameters in the core dumps.
37 */
38#define ELF_CLASS ELFCLASS32
39#ifdef __LITTLE_ENDIAN__
40#define ELF_DATA ELFDATA2LSB
41#else
42#define ELF_DATA ELFDATA2MSB
43#endif
44#define ELF_ARCH EM_SH
45
46#define USE_ELF_CORE_DUMP
47#define ELF_EXEC_PAGESIZE 4096
48
49/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
50 use of this is to invoke "./ld.so someprog" to test out a new version of
51 the loader. We need to make sure that it is out of the way of the program
52 that it will "exec", and that there is sufficient room for the brk. */
53
54#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
55
56#define R_SH_DIR32 1
57#define R_SH_REL32 2
58#define R_SH_IMM_LOW16 246
59#define R_SH_IMM_LOW16_PCREL 247
60#define R_SH_IMM_MEDLOW16 248
61#define R_SH_IMM_MEDLOW16_PCREL 249
62
63#define ELF_CORE_COPY_REGS(_dest,_regs) \
64 memcpy((char *) &_dest, (char *) _regs, \
65 sizeof(struct pt_regs));
66
67/* This yields a mask that user programs can use to figure out what
68 instruction set this CPU supports. This could be done in user space,
69 but it's not easy, and we've already done it here. */
70
71#define ELF_HWCAP (0)
72
73/* This yields a string that ld.so will use to load implementation
74 specific libraries for optimization. This is more specific in
75 intent than poking at uname or /proc/cpuinfo.
76
77 For the moment, we have only optimizations for the Intel generations,
78 but that could change... */
79
80#define ELF_PLATFORM (NULL)
81
82#define ELF_PLAT_INIT(_r, load_addr) \
83 do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
84 _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
85 _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
86 _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; _r->regs[15]=0; \
87 _r->regs[16]=0; _r->regs[17]=0; _r->regs[18]=0; _r->regs[19]=0; \
88 _r->regs[20]=0; _r->regs[21]=0; _r->regs[22]=0; _r->regs[23]=0; \
89 _r->regs[24]=0; _r->regs[25]=0; _r->regs[26]=0; _r->regs[27]=0; \
90 _r->regs[28]=0; _r->regs[29]=0; _r->regs[30]=0; _r->regs[31]=0; \
91 _r->regs[32]=0; _r->regs[33]=0; _r->regs[34]=0; _r->regs[35]=0; \
92 _r->regs[36]=0; _r->regs[37]=0; _r->regs[38]=0; _r->regs[39]=0; \
93 _r->regs[40]=0; _r->regs[41]=0; _r->regs[42]=0; _r->regs[43]=0; \
94 _r->regs[44]=0; _r->regs[45]=0; _r->regs[46]=0; _r->regs[47]=0; \
95 _r->regs[48]=0; _r->regs[49]=0; _r->regs[50]=0; _r->regs[51]=0; \
96 _r->regs[52]=0; _r->regs[53]=0; _r->regs[54]=0; _r->regs[55]=0; \
97 _r->regs[56]=0; _r->regs[57]=0; _r->regs[58]=0; _r->regs[59]=0; \
98 _r->regs[60]=0; _r->regs[61]=0; _r->regs[62]=0; \
99 _r->tregs[0]=0; _r->tregs[1]=0; _r->tregs[2]=0; _r->tregs[3]=0; \
100 _r->tregs[4]=0; _r->tregs[5]=0; _r->tregs[6]=0; _r->tregs[7]=0; \
101 _r->sr = SR_FD | SR_MMU; } while (0)
102
103#ifdef __KERNEL__
104#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT)
105#endif
106
107#endif /* __ASM_SH64_ELF_H */