linux/tools/perf/util/genelf.h

68 lines
1.9 KiB
C

#ifndef __GENELF_H__
#define __GENELF_H__
/* genelf.c */
extern int jit_write_elf(int fd, uint64_t code_addr, const char *sym,
const void *code, int csize,
void *debug, int nr_debug_entries);
/* genelf_debug.c */
extern int jit_add_debug_info(Elf *e, uint64_t code_addr,
void *debug, int nr_debug_entries);
#if defined(__arm__)
#define GEN_ELF_ARCH EM_ARM
#define GEN_ELF_ENDIAN ELFDATA2LSB
#define GEN_ELF_CLASS ELFCLASS32
#elif defined(__aarch64__)
#define GEN_ELF_ARCH EM_AARCH64
#define GEN_ELF_ENDIAN ELFDATA2LSB
#define GEN_ELF_CLASS ELFCLASS64
#elif defined(__x86_64__)
#define GEN_ELF_ARCH EM_X86_64
#define GEN_ELF_ENDIAN ELFDATA2LSB
#define GEN_ELF_CLASS ELFCLASS64
#elif defined(__i386__)
#define GEN_ELF_ARCH EM_386
#define GEN_ELF_ENDIAN ELFDATA2LSB
#define GEN_ELF_CLASS ELFCLASS32
#elif defined(__ppcle__)
#define GEN_ELF_ARCH EM_PPC
#define GEN_ELF_ENDIAN ELFDATA2LSB
#define GEN_ELF_CLASS ELFCLASS64
#elif defined(__powerpc__)
#define GEN_ELF_ARCH EM_PPC64
#define GEN_ELF_ENDIAN ELFDATA2MSB
#define GEN_ELF_CLASS ELFCLASS64
#elif defined(__powerpcle__)
#define GEN_ELF_ARCH EM_PPC64
#define GEN_ELF_ENDIAN ELFDATA2LSB
#define GEN_ELF_CLASS ELFCLASS64
#else
#error "unsupported architecture"
#endif
#if GEN_ELF_CLASS == ELFCLASS64
#define elf_newehdr elf64_newehdr
#define elf_getshdr elf64_getshdr
#define Elf_Ehdr Elf64_Ehdr
#define Elf_Shdr Elf64_Shdr
#define Elf_Sym Elf64_Sym
#define ELF_ST_TYPE(a) ELF64_ST_TYPE(a)
#define ELF_ST_BIND(a) ELF64_ST_BIND(a)
#define ELF_ST_VIS(a) ELF64_ST_VISIBILITY(a)
#else
#define elf_newehdr elf32_newehdr
#define elf_getshdr elf32_getshdr
#define Elf_Ehdr Elf32_Ehdr
#define Elf_Shdr Elf32_Shdr
#define Elf_Sym Elf32_Sym
#define ELF_ST_TYPE(a) ELF32_ST_TYPE(a)
#define ELF_ST_BIND(a) ELF32_ST_BIND(a)
#define ELF_ST_VIS(a) ELF32_ST_VISIBILITY(a)
#endif
/* The .text section is directly after the ELF header */
#define GEN_ELF_TEXT_OFFSET sizeof(Elf_Ehdr)
#endif