tools/perf/util/genelf.h

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