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perf jit: Add unwinding support
[mirror_ubuntu-artful-kernel.git] / tools / perf / util / genelf.h
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1#ifndef __GENELF_H__
2#define __GENELF_H__
3
4/* genelf.c */
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5int jit_write_elf(int fd, uint64_t code_addr, const char *sym,
6 const void *code, int csize, void *debug, int nr_debug_entries);
621cb4e7 7#ifdef HAVE_DWARF_SUPPORT
598b7c69 8/* genelf_debug.c */
3938bad4 9int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_entries);
621cb4e7 10#endif
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11
12#if defined(__arm__)
13#define GEN_ELF_ARCH EM_ARM
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14#define GEN_ELF_CLASS ELFCLASS32
15#elif defined(__aarch64__)
16#define GEN_ELF_ARCH EM_AARCH64
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17#define GEN_ELF_CLASS ELFCLASS64
18#elif defined(__x86_64__)
19#define GEN_ELF_ARCH EM_X86_64
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20#define GEN_ELF_CLASS ELFCLASS64
21#elif defined(__i386__)
22#define GEN_ELF_ARCH EM_386
9b07e27f 23#define GEN_ELF_CLASS ELFCLASS32
9f56c092 24#elif defined(__powerpc64__)
9b07e27f 25#define GEN_ELF_ARCH EM_PPC64
9b07e27f 26#define GEN_ELF_CLASS ELFCLASS64
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27#elif defined(__powerpc__)
28#define GEN_ELF_ARCH EM_PPC
29#define GEN_ELF_CLASS ELFCLASS32
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30#else
31#error "unsupported architecture"
32#endif
33
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34#if __BYTE_ORDER == __BIG_ENDIAN
35#define GEN_ELF_ENDIAN ELFDATA2MSB
36#else
37#define GEN_ELF_ENDIAN ELFDATA2LSB
38#endif
39
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40#if GEN_ELF_CLASS == ELFCLASS64
41#define elf_newehdr elf64_newehdr
42#define elf_getshdr elf64_getshdr
43#define Elf_Ehdr Elf64_Ehdr
44#define Elf_Shdr Elf64_Shdr
45#define Elf_Sym Elf64_Sym
46#define ELF_ST_TYPE(a) ELF64_ST_TYPE(a)
47#define ELF_ST_BIND(a) ELF64_ST_BIND(a)
48#define ELF_ST_VIS(a) ELF64_ST_VISIBILITY(a)
49#else
50#define elf_newehdr elf32_newehdr
51#define elf_getshdr elf32_getshdr
52#define Elf_Ehdr Elf32_Ehdr
53#define Elf_Shdr Elf32_Shdr
54#define Elf_Sym Elf32_Sym
55#define ELF_ST_TYPE(a) ELF32_ST_TYPE(a)
56#define ELF_ST_BIND(a) ELF32_ST_BIND(a)
57#define ELF_ST_VIS(a) ELF32_ST_VISIBILITY(a)
58#endif
59
60/* The .text section is directly after the ELF header */
61#define GEN_ELF_TEXT_OFFSET sizeof(Elf_Ehdr)
62
63#endif