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