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 #else 33 #error "unsupported architecture" 34 #endif 35 36 #if __BYTE_ORDER == __BIG_ENDIAN 37 #define GEN_ELF_ENDIAN ELFDATA2MSB 38 #else 39 #define GEN_ELF_ENDIAN ELFDATA2LSB 40 #endif 41 42 #if GEN_ELF_CLASS == ELFCLASS64 43 #define elf_newehdr elf64_newehdr 44 #define elf_getshdr elf64_getshdr 45 #define Elf_Ehdr Elf64_Ehdr 46 #define Elf_Shdr Elf64_Shdr 47 #define Elf_Sym Elf64_Sym 48 #define ELF_ST_TYPE(a) ELF64_ST_TYPE(a) 49 #define ELF_ST_BIND(a) ELF64_ST_BIND(a) 50 #define ELF_ST_VIS(a) ELF64_ST_VISIBILITY(a) 51 #else 52 #define elf_newehdr elf32_newehdr 53 #define elf_getshdr elf32_getshdr 54 #define Elf_Ehdr Elf32_Ehdr 55 #define Elf_Shdr Elf32_Shdr 56 #define Elf_Sym Elf32_Sym 57 #define ELF_ST_TYPE(a) ELF32_ST_TYPE(a) 58 #define ELF_ST_BIND(a) ELF32_ST_BIND(a) 59 #define ELF_ST_VIS(a) ELF32_ST_VISIBILITY(a) 60 #endif 61 62 /* The .text section is directly after the ELF header */ 63 #define GEN_ELF_TEXT_OFFSET sizeof(Elf_Ehdr) 64 65 #endif 66