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                   void *unwinding, uint64_t unwinding_header_size, uint64_t unwinding_size);
   8 #ifdef HAVE_DWARF_SUPPORT
   9 /* genelf_debug.c */
  10 int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_entries);
  11 #endif
  12
  13 #if   defined(__arm__)
  14 #define GEN_ELF_ARCH    EM_ARM
  15 #define GEN_ELF_CLASS   ELFCLASS32
  16 #elif defined(__aarch64__)
  17 #define GEN_ELF_ARCH    EM_AARCH64
  18 #define GEN_ELF_CLASS   ELFCLASS64
  19 #elif defined(__x86_64__)
  20 #define GEN_ELF_ARCH    EM_X86_64
  21 #define GEN_ELF_CLASS   ELFCLASS64
  22 #elif defined(__i386__)
  23 #define GEN_ELF_ARCH    EM_386
  24 #define GEN_ELF_CLASS   ELFCLASS32
  25 #elif defined(__powerpc64__)
  26 #define GEN_ELF_ARCH    EM_PPC64
  27 #define GEN_ELF_CLASS   ELFCLASS64
  28 #elif defined(__powerpc__)
  29 #define GEN_ELF_ARCH    EM_PPC
  30 #define GEN_ELF_CLASS   ELFCLASS32
  31 #else
  32 #error "unsupported architecture"
  33 #endif
  34
  35 #if __BYTE_ORDER == __BIG_ENDIAN
  36 #define GEN_ELF_ENDIAN  ELFDATA2MSB
  37 #else
  38 #define GEN_ELF_ENDIAN  ELFDATA2LSB
  39 #endif
  40
  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