| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef __GENELF_H__ |
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| 3 | #define __GENELF_H__ |
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| 4 | |
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| 5 | #include <linux/math.h> |
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| 6 | |
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| 7 | /* genelf.c */ |
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| 8 | int jit_write_elf(int fd, uint64_t code_addr, const char *sym, |
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| 9 | const void *code, int csize, void *debug, int nr_debug_entries, |
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| 10 | void *unwinding, uint64_t , uint64_t unwinding_size); |
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| 11 | #ifdef HAVE_LIBDW_SUPPORT |
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| 12 | /* genelf_debug.c */ |
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| 13 | int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_entries); |
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| 14 | #endif |
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| 15 | |
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| 16 | #if defined(__arm__) |
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| 17 | #define GEN_ELF_ARCH EM_ARM |
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| 18 | #define GEN_ELF_CLASS ELFCLASS32 |
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| 19 | #elif defined(__aarch64__) |
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| 20 | #define GEN_ELF_ARCH EM_AARCH64 |
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| 21 | #define GEN_ELF_CLASS ELFCLASS64 |
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| 22 | #elif defined(__x86_64__) |
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| 23 | #define GEN_ELF_ARCH EM_X86_64 |
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| 24 | #define GEN_ELF_CLASS ELFCLASS64 |
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| 25 | #elif defined(__i386__) |
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| 26 | #define GEN_ELF_ARCH EM_386 |
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| 27 | #define GEN_ELF_CLASS ELFCLASS32 |
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| 28 | #elif defined(__powerpc64__) |
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| 29 | #define GEN_ELF_ARCH EM_PPC64 |
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| 30 | #define GEN_ELF_CLASS ELFCLASS64 |
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| 31 | #elif defined(__powerpc__) |
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| 32 | #define GEN_ELF_ARCH EM_PPC |
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| 33 | #define GEN_ELF_CLASS ELFCLASS32 |
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| 34 | #elif defined(__sparc__) && defined(__arch64__) |
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| 35 | #define GEN_ELF_ARCH EM_SPARCV9 |
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| 36 | #define GEN_ELF_CLASS ELFCLASS64 |
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| 37 | #elif defined(__sparc__) |
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| 38 | #define GEN_ELF_ARCH EM_SPARC |
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| 39 | #define GEN_ELF_CLASS ELFCLASS32 |
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| 40 | #elif defined(__s390x__) |
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| 41 | #define GEN_ELF_ARCH EM_S390 |
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| 42 | #define GEN_ELF_CLASS ELFCLASS64 |
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| 43 | #elif defined(__riscv) && __riscv_xlen == 64 |
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| 44 | #define GEN_ELF_ARCH EM_RISCV |
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| 45 | #define GEN_ELF_CLASS ELFCLASS64 |
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| 46 | #elif defined(__riscv) && __riscv_xlen == 32 |
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| 47 | #define GEN_ELF_ARCH EM_RISCV |
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| 48 | #define GEN_ELF_CLASS ELFCLASS32 |
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| 49 | #elif defined(__loongarch__) |
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| 50 | #define GEN_ELF_ARCH EM_LOONGARCH |
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| 51 | #define GEN_ELF_CLASS ELFCLASS64 |
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| 52 | #else |
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| 53 | #error "unsupported architecture" |
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| 54 | #endif |
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| 55 | |
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| 56 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
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| 57 | #define GEN_ELF_ENDIAN ELFDATA2MSB |
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| 58 | #else |
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| 59 | #define GEN_ELF_ENDIAN ELFDATA2LSB |
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| 60 | #endif |
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| 61 | |
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| 62 | #if GEN_ELF_CLASS == ELFCLASS64 |
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| 63 | #define elf_newehdr elf64_newehdr |
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| 64 | #define elf_newphdr elf64_newphdr |
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| 65 | #define elf_getshdr elf64_getshdr |
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| 66 | #define Elf_Ehdr Elf64_Ehdr |
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| 67 | #define Elf_Phdr Elf64_Phdr |
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| 68 | #define Elf_Shdr Elf64_Shdr |
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| 69 | #define Elf_Sym Elf64_Sym |
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| 70 | #define ELF_ST_TYPE(a) ELF64_ST_TYPE(a) |
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| 71 | #define ELF_ST_BIND(a) ELF64_ST_BIND(a) |
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| 72 | #define ELF_ST_VIS(a) ELF64_ST_VISIBILITY(a) |
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| 73 | #else |
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| 74 | #define elf_newehdr elf32_newehdr |
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| 75 | #define elf_newphdr elf32_newphdr |
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| 76 | #define elf_getshdr elf32_getshdr |
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| 77 | #define Elf_Ehdr Elf32_Ehdr |
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| 78 | #define Elf_Phdr Elf32_Phdr |
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| 79 | #define Elf_Shdr Elf32_Shdr |
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| 80 | #define Elf_Sym Elf32_Sym |
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| 81 | #define ELF_ST_TYPE(a) ELF32_ST_TYPE(a) |
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| 82 | #define ELF_ST_BIND(a) ELF32_ST_BIND(a) |
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| 83 | #define ELF_ST_VIS(a) ELF32_ST_VISIBILITY(a) |
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| 84 | #endif |
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| 85 | |
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| 86 | /* The .text section is directly after the ELF header */ |
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| 87 | #define GEN_ELF_TEXT_OFFSET round_up(sizeof(Elf_Ehdr) + sizeof(Elf_Phdr), 16) |
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| 88 | |
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| 89 | #endif |
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| 90 | |
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