| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __GENELF_H__ |
| #define __GENELF_H__ |
| |
| #include <linux/math.h> |
| |
| /* genelf.c */ |
| int jit_write_elf(int fd, uint64_t code_addr, const char *sym, |
| const void *code, int csize, void *debug, int nr_debug_entries, |
| void *unwinding, uint64_t unwinding_header_size, uint64_t unwinding_size); |
| #ifdef HAVE_DWARF_SUPPORT |
| /* genelf_debug.c */ |
| int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_entries); |
| #endif |
| |
| #if defined(__arm__) |
| #define GEN_ELF_ARCH EM_ARM |
| #define GEN_ELF_CLASS ELFCLASS32 |
| #elif defined(__aarch64__) |
| #define GEN_ELF_ARCH EM_AARCH64 |
| #define GEN_ELF_CLASS ELFCLASS64 |
| #elif defined(__x86_64__) |
| #define GEN_ELF_ARCH EM_X86_64 |
| #define GEN_ELF_CLASS ELFCLASS64 |
| #elif defined(__i386__) |
| #define GEN_ELF_ARCH EM_386 |
| #define GEN_ELF_CLASS ELFCLASS32 |
| #elif defined(__powerpc64__) |
| #define GEN_ELF_ARCH EM_PPC64 |
| #define GEN_ELF_CLASS ELFCLASS64 |
| #elif defined(__powerpc__) |
| #define GEN_ELF_ARCH EM_PPC |
| #define GEN_ELF_CLASS ELFCLASS32 |
| #elif defined(__sparc__) && defined(__arch64__) |
| #define GEN_ELF_ARCH EM_SPARCV9 |
| #define GEN_ELF_CLASS ELFCLASS64 |
| #elif defined(__sparc__) |
| #define GEN_ELF_ARCH EM_SPARC |
| #define GEN_ELF_CLASS ELFCLASS32 |
| #elif defined(__s390x__) |
| #define GEN_ELF_ARCH EM_S390 |
| #define GEN_ELF_CLASS ELFCLASS64 |
| #elif defined(__riscv) && __riscv_xlen == 64 |
| #define GEN_ELF_ARCH EM_RISCV |
| #define GEN_ELF_CLASS ELFCLASS64 |
| #elif defined(__loongarch__) |
| #define GEN_ELF_ARCH EM_LOONGARCH |
| #define GEN_ELF_CLASS ELFCLASS64 |
| #else |
| #error "unsupported architecture" |
| #endif |
| |
| #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
| #define GEN_ELF_ENDIAN ELFDATA2MSB |
| #else |
| #define GEN_ELF_ENDIAN ELFDATA2LSB |
| #endif |
| |
| #if GEN_ELF_CLASS == ELFCLASS64 |
| #define elf_newehdr elf64_newehdr |
| #define elf_newphdr elf64_newphdr |
| #define elf_getshdr elf64_getshdr |
| #define Elf_Ehdr Elf64_Ehdr |
| #define Elf_Phdr Elf64_Phdr |
| #define Elf_Shdr Elf64_Shdr |
| #define Elf_Sym Elf64_Sym |
| #define ELF_ST_TYPE(a) ELF64_ST_TYPE(a) |
| #define ELF_ST_BIND(a) ELF64_ST_BIND(a) |
| #define ELF_ST_VIS(a) ELF64_ST_VISIBILITY(a) |
| #else |
| #define elf_newehdr elf32_newehdr |
| #define elf_newphdr elf32_newphdr |
| #define elf_getshdr elf32_getshdr |
| #define Elf_Ehdr Elf32_Ehdr |
| #define Elf_Phdr Elf32_Phdr |
| #define Elf_Shdr Elf32_Shdr |
| #define Elf_Sym Elf32_Sym |
| #define ELF_ST_TYPE(a) ELF32_ST_TYPE(a) |
| #define ELF_ST_BIND(a) ELF32_ST_BIND(a) |
| #define ELF_ST_VIS(a) ELF32_ST_VISIBILITY(a) |
| #endif |
| |
| /* The .text section is directly after the ELF header */ |
| #define GEN_ELF_TEXT_OFFSET round_up(sizeof(Elf_Ehdr) + sizeof(Elf_Phdr), 16) |
| |
| #endif |
