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 #else 39 #error "unsupported architecture" 40 #endif 41 42 #if __BYTE_ORDER == __BIG_ENDIAN 43 #define GEN_ELF_ENDIAN ELFDATA2MSB 44 #else 45 #define GEN_ELF_ENDIAN ELFDATA2LSB 46 #endif 47 48 #if GEN_ELF_CLASS == ELFCLASS64 49 #define elf_newehdr elf64_newehdr 50 #define elf_getshdr elf64_getshdr 51 #define Elf_Ehdr Elf64_Ehdr 52 #define Elf_Shdr Elf64_Shdr 53 #define Elf_Sym Elf64_Sym 54 #define ELF_ST_TYPE(a) ELF64_ST_TYPE(a) 55 #define ELF_ST_BIND(a) ELF64_ST_BIND(a) 56 #define ELF_ST_VIS(a) ELF64_ST_VISIBILITY(a) 57 #else 58 #define elf_newehdr elf32_newehdr 59 #define elf_getshdr elf32_getshdr 60 #define Elf_Ehdr Elf32_Ehdr 61 #define Elf_Shdr Elf32_Shdr 62 #define Elf_Sym Elf32_Sym 63 #define ELF_ST_TYPE(a) ELF32_ST_TYPE(a) 64 #define ELF_ST_BIND(a) ELF32_ST_BIND(a) 65 #define ELF_ST_VIS(a) ELF32_ST_VISIBILITY(a) 66 #endif 67 68 /* The .text section is directly after the ELF header */ 69 #define GEN_ELF_TEXT_OFFSET sizeof(Elf_Ehdr) 70 71 #endif 72