1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __GENELF_H__ 3 #define __GENELF_H__ 4 5 /* genelf.c */ 6 int 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 */ 11 int 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_newphdr elf64_newphdr 57 #define elf_getshdr elf64_getshdr 58 #define Elf_Ehdr Elf64_Ehdr 59 #define Elf_Phdr Elf64_Phdr 60 #define Elf_Shdr Elf64_Shdr 61 #define Elf_Sym Elf64_Sym 62 #define ELF_ST_TYPE(a) ELF64_ST_TYPE(a) 63 #define ELF_ST_BIND(a) ELF64_ST_BIND(a) 64 #define ELF_ST_VIS(a) ELF64_ST_VISIBILITY(a) 65 #else 66 #define elf_newehdr elf32_newehdr 67 #define elf_newphdr elf32_newphdr 68 #define elf_getshdr elf32_getshdr 69 #define Elf_Ehdr Elf32_Ehdr 70 #define Elf_Phdr Elf32_Phdr 71 #define Elf_Shdr Elf32_Shdr 72 #define Elf_Sym Elf32_Sym 73 #define ELF_ST_TYPE(a) ELF32_ST_TYPE(a) 74 #define ELF_ST_BIND(a) ELF32_ST_BIND(a) 75 #define ELF_ST_VIS(a) ELF32_ST_VISIBILITY(a) 76 #endif 77 78 /* The .text section is directly after the ELF header */ 79 #define GEN_ELF_TEXT_OFFSET sizeof(Elf_Ehdr) 80 81 #endif 82