tools/perf/util/genelf.h

   1 #ifndef __GENELF_H__
   2 #define __GENELF_H__
   3
   4 /* genelf.c */
   5 extern int jit_write_elf(int fd, uint64_t code_addr, const char *sym,
   6                          const void *code, int csize,
   7                          void *debug, int nr_debug_entries);
   8 /* genelf_debug.c */
   9 extern int jit_add_debug_info(Elf *e, uint64_t code_addr,
  10                               void *debug, int nr_debug_entries);
  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