LXR linux/tools/perf/util/genelf.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __GENELF_H__
   3#define __GENELF_H__
   4
   5/* genelf.c */
   6int jit_write_elf(int fd, uint64_t code_addr, const char *sym,
   7                  const void *code, int csize, void *debug, int nr_debug_entries,
   8                  void *unwinding, uint64_t unwinding_header_size, uint64_t unwinding_size);
   9#ifdef HAVE_DWARF_SUPPORT
  10/* genelf_debug.c */
  11int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_entries);
  12#endif
  13
  14#if   defined(__arm__)
  15#define GEN_ELF_ARCH    EM_ARM
  16#define GEN_ELF_CLASS   ELFCLASS32
  17#elif defined(__aarch64__)
  18#define GEN_ELF_ARCH    EM_AARCH64
  19#define GEN_ELF_CLASS   ELFCLASS64
  20#elif defined(__x86_64__)
  21#define GEN_ELF_ARCH    EM_X86_64
  22#define GEN_ELF_CLASS   ELFCLASS64
  23#elif defined(__i386__)
  24#define GEN_ELF_ARCH    EM_386
  25#define GEN_ELF_CLASS   ELFCLASS32
  26#elif defined(__powerpc64__)
  27#define GEN_ELF_ARCH    EM_PPC64
  28#define GEN_ELF_CLASS   ELFCLASS64
  29#elif defined(__powerpc__)
  30#define GEN_ELF_ARCH    EM_PPC
  31#define GEN_ELF_CLASS   ELFCLASS32
  32#elif defined(__sparc__) && defined(__arch64__)
  33#define GEN_ELF_ARCH    EM_SPARCV9
  34#define GEN_ELF_CLASS   ELFCLASS64
  35#elif defined(__sparc__)
  36#define GEN_ELF_ARCH    EM_SPARC
  37#define GEN_ELF_CLASS   ELFCLASS32
  38#elif defined(__s390x__)
  39#define GEN_ELF_ARCH    EM_S390
  40#define GEN_ELF_CLASS   ELFCLASS64
  41#else
  42#error "unsupported architecture"
  43#endif
  44
  45#if __BYTE_ORDER == __BIG_ENDIAN
  46#define GEN_ELF_ENDIAN  ELFDATA2MSB
  47#else
  48#define GEN_ELF_ENDIAN  ELFDATA2LSB
  49#endif
  50
  51#if GEN_ELF_CLASS == ELFCLASS64
  52#define elf_newehdr     elf64_newehdr
  53#define elf_getshdr     elf64_getshdr
  54#define Elf_Ehdr        Elf64_Ehdr
  55#define Elf_Shdr        Elf64_Shdr
  56#define Elf_Sym         Elf64_Sym
  57#define ELF_ST_TYPE(a)  ELF64_ST_TYPE(a)
  58#define ELF_ST_BIND(a)  ELF64_ST_BIND(a)
  59#define ELF_ST_VIS(a)   ELF64_ST_VISIBILITY(a)
  60#else
  61#define elf_newehdr     elf32_newehdr
  62#define elf_getshdr     elf32_getshdr
  63#define Elf_Ehdr        Elf32_Ehdr
  64#define Elf_Shdr        Elf32_Shdr
  65#define Elf_Sym         Elf32_Sym
  66#define ELF_ST_TYPE(a)  ELF32_ST_TYPE(a)
  67#define ELF_ST_BIND(a)  ELF32_ST_BIND(a)
  68#define ELF_ST_VIS(a)   ELF32_ST_VISIBILITY(a)
  69#endif
  70
  71/* The .text section is directly after the ELF header */
  72#define GEN_ELF_TEXT_OFFSET sizeof(Elf_Ehdr)
  73
  74#endif
  75