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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __ASM_SH_ELF_H
2#define __ASM_SH_ELF_H
3
Paul Mundt315bb962006-09-27 18:22:53 +09004#include <asm/auxvec.h>
5#include <asm/ptrace.h>
6#include <asm/user.h>
7
Linus Torvalds1da177e2005-04-16 15:20:36 -07008/* SH relocation types */
9#define R_SH_NONE 0
10#define R_SH_DIR32 1
11#define R_SH_REL32 2
12#define R_SH_DIR8WPN 3
13#define R_SH_IND12W 4
14#define R_SH_DIR8WPL 5
15#define R_SH_DIR8WPZ 6
16#define R_SH_DIR8BP 7
17#define R_SH_DIR8W 8
18#define R_SH_DIR8L 9
19#define R_SH_SWITCH16 25
20#define R_SH_SWITCH32 26
21#define R_SH_USES 27
22#define R_SH_COUNT 28
23#define R_SH_ALIGN 29
24#define R_SH_CODE 30
25#define R_SH_DATA 31
26#define R_SH_LABEL 32
27#define R_SH_SWITCH8 33
28#define R_SH_GNU_VTINHERIT 34
29#define R_SH_GNU_VTENTRY 35
30#define R_SH_TLS_GD_32 144
31#define R_SH_TLS_LD_32 145
32#define R_SH_TLS_LDO_32 146
33#define R_SH_TLS_IE_32 147
34#define R_SH_TLS_LE_32 148
35#define R_SH_TLS_DTPMOD32 149
36#define R_SH_TLS_DTPOFF32 150
37#define R_SH_TLS_TPOFF32 151
38#define R_SH_GOT32 160
39#define R_SH_PLT32 161
40#define R_SH_COPY 162
41#define R_SH_GLOB_DAT 163
42#define R_SH_JMP_SLOT 164
43#define R_SH_RELATIVE 165
44#define R_SH_GOTOFF 166
45#define R_SH_GOTPC 167
46/* Keep this the last entry. */
47#define R_SH_NUM 256
48
49/*
50 * ELF register definitions..
51 */
52
Linus Torvalds1da177e2005-04-16 15:20:36 -070053typedef unsigned long elf_greg_t;
54
55#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
56typedef elf_greg_t elf_gregset_t[ELF_NGREG];
57
58typedef struct user_fpu_struct elf_fpregset_t;
59
60/*
61 * This is used to ensure we don't load something for the wrong architecture.
62 */
63#define elf_check_arch(x) ( (x)->e_machine == EM_SH )
64
65/*
66 * These are used to set parameters in the core dumps.
67 */
68#define ELF_CLASS ELFCLASS32
69#ifdef __LITTLE_ENDIAN__
70#define ELF_DATA ELFDATA2LSB
71#else
72#define ELF_DATA ELFDATA2MSB
73#endif
74#define ELF_ARCH EM_SH
75
76#define USE_ELF_CORE_DUMP
Paul Mundt21440cf2006-11-20 14:30:26 +090077#define ELF_EXEC_PAGESIZE PAGE_SIZE
Linus Torvalds1da177e2005-04-16 15:20:36 -070078
79/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
80 use of this is to invoke "./ld.so someprog" to test out a new version of
81 the loader. We need to make sure that it is out of the way of the program
82 that it will "exec", and that there is sufficient room for the brk. */
83
84#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
85
86
87#define ELF_CORE_COPY_REGS(_dest,_regs) \
88 memcpy((char *) &_dest, (char *) _regs, \
89 sizeof(struct pt_regs));
90
91/* This yields a mask that user programs can use to figure out what
92 instruction set this CPU supports. This could be done in user space,
93 but it's not easy, and we've already done it here. */
94
Paul Mundt315bb962006-09-27 18:22:53 +090095#define ELF_HWCAP (boot_cpu_data.flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -070096
97/* This yields a string that ld.so will use to load implementation
98 specific libraries for optimization. This is more specific in
99 intent than poking at uname or /proc/cpuinfo.
100
101 For the moment, we have only optimizations for the Intel generations,
102 but that could change... */
103
104#define ELF_PLATFORM (NULL)
105
106#define ELF_PLAT_INIT(_r, load_addr) \
107 do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
108 _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
109 _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
110 _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; \
111 _r->sr = SR_FD; } while (0)
112
113#ifdef __KERNEL__
114#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT)
Tim Schmielau8c65b4a2005-11-07 00:59:43 -0800115struct task_struct;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
117extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
118
119#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
120#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
121#endif
122
Paul Mundt19f9a342006-09-27 18:33:49 +0900123#ifdef CONFIG_VSYSCALL
124/* vDSO has arch_setup_additional_pages */
125#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
126struct linux_binprm;
127extern int arch_setup_additional_pages(struct linux_binprm *bprm,
128 int executable_stack);
129
130extern unsigned int vdso_enabled;
131extern void __kernel_vsyscall;
132
133#define VDSO_BASE ((unsigned long)current->mm->context.vdso)
134#define VDSO_SYM(x) (VDSO_BASE + (unsigned long)(x))
135
Olaf Hering4f9a58d2007-10-16 23:30:12 -0700136/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
Paul Mundt19f9a342006-09-27 18:33:49 +0900137#define ARCH_DLINFO \
138do { \
139 if (vdso_enabled) \
140 NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); \
141} while (0)
142#endif /* CONFIG_VSYSCALL */
143
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144#endif /* __ASM_SH_ELF_H */