perf tools: Simplify die() mechanism
[linux-2.6-block.git] / tools / perf / util / genelf.h
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1#ifndef __GENELF_H__
2#define __GENELF_H__
3
4/* genelf.c */
5extern int jit_write_elf(int fd, uint64_t code_addr, const char *sym,
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6 const void *code, int csize,
7 void *debug, int nr_debug_entries);
8/* genelf_debug.c */
9extern int jit_add_debug_info(Elf *e, uint64_t code_addr,
10 void *debug, int nr_debug_entries);
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11
12#if defined(__arm__)
13#define GEN_ELF_ARCH EM_ARM
14#define GEN_ELF_ENDIAN ELFDATA2LSB
15#define GEN_ELF_CLASS ELFCLASS32
16#elif defined(__aarch64__)
17#define GEN_ELF_ARCH EM_AARCH64
18#define GEN_ELF_ENDIAN ELFDATA2LSB
19#define GEN_ELF_CLASS ELFCLASS64
20#elif defined(__x86_64__)
21#define GEN_ELF_ARCH EM_X86_64
22#define GEN_ELF_ENDIAN ELFDATA2LSB
23#define GEN_ELF_CLASS ELFCLASS64
24#elif defined(__i386__)
25#define GEN_ELF_ARCH EM_386
26#define GEN_ELF_ENDIAN ELFDATA2LSB
27#define GEN_ELF_CLASS ELFCLASS32
28#elif defined(__ppcle__)
29#define GEN_ELF_ARCH EM_PPC
30#define GEN_ELF_ENDIAN ELFDATA2LSB
31#define GEN_ELF_CLASS ELFCLASS64
32#elif defined(__powerpc__)
33#define GEN_ELF_ARCH EM_PPC64
34#define GEN_ELF_ENDIAN ELFDATA2MSB
35#define GEN_ELF_CLASS ELFCLASS64
36#elif defined(__powerpcle__)
37#define GEN_ELF_ARCH EM_PPC64
38#define GEN_ELF_ENDIAN ELFDATA2LSB
39#define GEN_ELF_CLASS ELFCLASS64
40#else
41#error "unsupported architecture"
42#endif
43
44#if GEN_ELF_CLASS == ELFCLASS64
45#define elf_newehdr elf64_newehdr
46#define elf_getshdr elf64_getshdr
47#define Elf_Ehdr Elf64_Ehdr
48#define Elf_Shdr Elf64_Shdr
49#define Elf_Sym Elf64_Sym
50#define ELF_ST_TYPE(a) ELF64_ST_TYPE(a)
51#define ELF_ST_BIND(a) ELF64_ST_BIND(a)
52#define ELF_ST_VIS(a) ELF64_ST_VISIBILITY(a)
53#else
54#define elf_newehdr elf32_newehdr
55#define elf_getshdr elf32_getshdr
56#define Elf_Ehdr Elf32_Ehdr
57#define Elf_Shdr Elf32_Shdr
58#define Elf_Sym Elf32_Sym
59#define ELF_ST_TYPE(a) ELF32_ST_TYPE(a)
60#define ELF_ST_BIND(a) ELF32_ST_BIND(a)
61#define ELF_ST_VIS(a) ELF32_ST_VISIBILITY(a)
62#endif
63
64/* The .text section is directly after the ELF header */
65#define GEN_ELF_TEXT_OFFSET sizeof(Elf_Ehdr)
66
67#endif