1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef __GENELF_H__ 3#define __GENELF_H__ 4 5#include <linux/math.h> 6 7/* genelf.c */ 8int jit_write_elf(int fd, uint64_t code_addr, const char *sym, 9 const void *code, int csize, void *debug, int nr_debug_entries, 10 void *unwinding, uint64_t unwinding_header_size, uint64_t unwinding_size); 11#ifdef HAVE_DWARF_SUPPORT 12/* genelf_debug.c */ 13int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_entries); 14#endif 15 16#if defined(__arm__) 17#define GEN_ELF_ARCH EM_ARM 18#define GEN_ELF_CLASS ELFCLASS32 19#elif defined(__aarch64__) 20#define GEN_ELF_ARCH EM_AARCH64 21#define GEN_ELF_CLASS ELFCLASS64 22#elif defined(__x86_64__) 23#define GEN_ELF_ARCH EM_X86_64 24#define GEN_ELF_CLASS ELFCLASS64 25#elif defined(__i386__) 26#define GEN_ELF_ARCH EM_386 27#define GEN_ELF_CLASS ELFCLASS32 28#elif defined(__powerpc64__) 29#define GEN_ELF_ARCH EM_PPC64 30#define GEN_ELF_CLASS ELFCLASS64 31#elif defined(__powerpc__) 32#define GEN_ELF_ARCH EM_PPC 33#define GEN_ELF_CLASS ELFCLASS32 34#elif defined(__sparc__) && defined(__arch64__) 35#define GEN_ELF_ARCH EM_SPARCV9 36#define GEN_ELF_CLASS ELFCLASS64 37#elif defined(__sparc__) 38#define GEN_ELF_ARCH EM_SPARC 39#define GEN_ELF_CLASS ELFCLASS32 40#elif defined(__s390x__) 41#define GEN_ELF_ARCH EM_S390 42#define GEN_ELF_CLASS ELFCLASS64 43#elif defined(__riscv) && __riscv_xlen == 64 44#define GEN_ELF_ARCH EM_RISCV 45#define GEN_ELF_CLASS ELFCLASS64 46#elif defined(__loongarch__) 47#define GEN_ELF_ARCH EM_LOONGARCH 48#define GEN_ELF_CLASS ELFCLASS64 49#else 50#error "unsupported architecture" 51#endif 52 53#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 54#define GEN_ELF_ENDIAN ELFDATA2MSB 55#else 56#define GEN_ELF_ENDIAN ELFDATA2LSB 57#endif 58 59#if GEN_ELF_CLASS == ELFCLASS64 60#define elf_newehdr elf64_newehdr 61#define elf_newphdr elf64_newphdr 62#define elf_getshdr elf64_getshdr 63#define Elf_Ehdr Elf64_Ehdr 64#define Elf_Phdr Elf64_Phdr 65#define Elf_Shdr Elf64_Shdr 66#define Elf_Sym Elf64_Sym 67#define ELF_ST_TYPE(a) ELF64_ST_TYPE(a) 68#define ELF_ST_BIND(a) ELF64_ST_BIND(a) 69#define ELF_ST_VIS(a) ELF64_ST_VISIBILITY(a) 70#else 71#define elf_newehdr elf32_newehdr 72#define elf_newphdr elf32_newphdr 73#define elf_getshdr elf32_getshdr 74#define Elf_Ehdr Elf32_Ehdr 75#define Elf_Phdr Elf32_Phdr 76#define Elf_Shdr Elf32_Shdr 77#define Elf_Sym Elf32_Sym 78#define ELF_ST_TYPE(a) ELF32_ST_TYPE(a) 79#define ELF_ST_BIND(a) ELF32_ST_BIND(a) 80#define ELF_ST_VIS(a) ELF32_ST_VISIBILITY(a) 81#endif 82 83/* The .text section is directly after the ELF header */ 84#define GEN_ELF_TEXT_OFFSET round_up(sizeof(Elf_Ehdr) + sizeof(Elf_Phdr), 16) 85 86#endif 87