genelf.h (2259B)
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#elif defined(__riscv) && __riscv_xlen == 64 42#define GEN_ELF_ARCH EM_RISCV 43#define GEN_ELF_CLASS ELFCLASS64 44#else 45#error "unsupported architecture" 46#endif 47 48#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 49#define GEN_ELF_ENDIAN ELFDATA2MSB 50#else 51#define GEN_ELF_ENDIAN ELFDATA2LSB 52#endif 53 54#if GEN_ELF_CLASS == ELFCLASS64 55#define elf_newehdr elf64_newehdr 56#define elf_getshdr elf64_getshdr 57#define Elf_Ehdr Elf64_Ehdr 58#define Elf_Shdr Elf64_Shdr 59#define Elf_Sym Elf64_Sym 60#define ELF_ST_TYPE(a) ELF64_ST_TYPE(a) 61#define ELF_ST_BIND(a) ELF64_ST_BIND(a) 62#define ELF_ST_VIS(a) ELF64_ST_VISIBILITY(a) 63#else 64#define elf_newehdr elf32_newehdr 65#define elf_getshdr elf32_getshdr 66#define Elf_Ehdr Elf32_Ehdr 67#define Elf_Shdr Elf32_Shdr 68#define Elf_Sym Elf32_Sym 69#define ELF_ST_TYPE(a) ELF32_ST_TYPE(a) 70#define ELF_ST_BIND(a) ELF32_ST_BIND(a) 71#define ELF_ST_VIS(a) ELF32_ST_VISIBILITY(a) 72#endif 73 74/* The .text section is directly after the ELF header */ 75#define GEN_ELF_TEXT_OFFSET sizeof(Elf_Ehdr) 76 77#endif