1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 29b07e27fSStephane Eranian #ifndef __GENELF_H__ 39b07e27fSStephane Eranian #define __GENELF_H__ 49b07e27fSStephane Eranian 589b15d00SAdrian Hunter #include <linux/math.h> 689b15d00SAdrian Hunter 79b07e27fSStephane Eranian /* genelf.c */ 83938bad4SArnaldo Carvalho de Melo int jit_write_elf(int fd, uint64_t code_addr, const char *sym, 9086f9f3dSStefano Sanfilippo const void *code, int csize, void *debug, int nr_debug_entries, 10086f9f3dSStefano Sanfilippo void *unwinding, uint64_t unwinding_header_size, uint64_t unwinding_size); 11621cb4e7SMaciej Debski #ifdef HAVE_DWARF_SUPPORT 12598b7c69SStephane Eranian /* genelf_debug.c */ 133938bad4SArnaldo Carvalho de Melo int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_entries); 14621cb4e7SMaciej Debski #endif 159b07e27fSStephane Eranian 169b07e27fSStephane Eranian #if defined(__arm__) 179b07e27fSStephane Eranian #define GEN_ELF_ARCH EM_ARM 189b07e27fSStephane Eranian #define GEN_ELF_CLASS ELFCLASS32 199b07e27fSStephane Eranian #elif defined(__aarch64__) 209b07e27fSStephane Eranian #define GEN_ELF_ARCH EM_AARCH64 219b07e27fSStephane Eranian #define GEN_ELF_CLASS ELFCLASS64 229b07e27fSStephane Eranian #elif defined(__x86_64__) 239b07e27fSStephane Eranian #define GEN_ELF_ARCH EM_X86_64 249b07e27fSStephane Eranian #define GEN_ELF_CLASS ELFCLASS64 259b07e27fSStephane Eranian #elif defined(__i386__) 269b07e27fSStephane Eranian #define GEN_ELF_ARCH EM_386 279b07e27fSStephane Eranian #define GEN_ELF_CLASS ELFCLASS32 289f56c092SAnton Blanchard #elif defined(__powerpc64__) 299f56c092SAnton Blanchard #define GEN_ELF_ARCH EM_PPC64 309b07e27fSStephane Eranian #define GEN_ELF_CLASS ELFCLASS64 319b07e27fSStephane Eranian #elif defined(__powerpc__) 329f56c092SAnton Blanchard #define GEN_ELF_ARCH EM_PPC 339f56c092SAnton Blanchard #define GEN_ELF_CLASS ELFCLASS32 34d87b9790SDavid Miller #elif defined(__sparc__) && defined(__arch64__) 35d87b9790SDavid Miller #define GEN_ELF_ARCH EM_SPARCV9 36d87b9790SDavid Miller #define GEN_ELF_CLASS ELFCLASS64 37d87b9790SDavid Miller #elif defined(__sparc__) 38d87b9790SDavid Miller #define GEN_ELF_ARCH EM_SPARC 39d87b9790SDavid Miller #define GEN_ELF_CLASS ELFCLASS32 4061bf4ee2SThomas Richter #elif defined(__s390x__) 4161bf4ee2SThomas Richter #define GEN_ELF_ARCH EM_S390 4261bf4ee2SThomas Richter #define GEN_ELF_CLASS ELFCLASS64 43335f70faSEric Lin #elif defined(__riscv) && __riscv_xlen == 64 44335f70faSEric Lin #define GEN_ELF_ARCH EM_RISCV 45335f70faSEric Lin #define GEN_ELF_CLASS ELFCLASS64 46*2fa5ebe3SHuacai Chen #elif defined(__loongarch__) 47*2fa5ebe3SHuacai Chen #define GEN_ELF_ARCH EM_LOONGARCH 48*2fa5ebe3SHuacai Chen #define GEN_ELF_CLASS ELFCLASS64 499b07e27fSStephane Eranian #else 509b07e27fSStephane Eranian #error "unsupported architecture" 519b07e27fSStephane Eranian #endif 529b07e27fSStephane Eranian 534e88118cSIlya Leoshkevich #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 549f56c092SAnton Blanchard #define GEN_ELF_ENDIAN ELFDATA2MSB 559f56c092SAnton Blanchard #else 569f56c092SAnton Blanchard #define GEN_ELF_ENDIAN ELFDATA2LSB 579f56c092SAnton Blanchard #endif 589f56c092SAnton Blanchard 599b07e27fSStephane Eranian #if GEN_ELF_CLASS == ELFCLASS64 609b07e27fSStephane Eranian #define elf_newehdr elf64_newehdr 61babd0438SLieven Hey #define elf_newphdr elf64_newphdr 629b07e27fSStephane Eranian #define elf_getshdr elf64_getshdr 639b07e27fSStephane Eranian #define Elf_Ehdr Elf64_Ehdr 64babd0438SLieven Hey #define Elf_Phdr Elf64_Phdr 659b07e27fSStephane Eranian #define Elf_Shdr Elf64_Shdr 669b07e27fSStephane Eranian #define Elf_Sym Elf64_Sym 679b07e27fSStephane Eranian #define ELF_ST_TYPE(a) ELF64_ST_TYPE(a) 689b07e27fSStephane Eranian #define ELF_ST_BIND(a) ELF64_ST_BIND(a) 699b07e27fSStephane Eranian #define ELF_ST_VIS(a) ELF64_ST_VISIBILITY(a) 709b07e27fSStephane Eranian #else 719b07e27fSStephane Eranian #define elf_newehdr elf32_newehdr 72babd0438SLieven Hey #define elf_newphdr elf32_newphdr 739b07e27fSStephane Eranian #define elf_getshdr elf32_getshdr 749b07e27fSStephane Eranian #define Elf_Ehdr Elf32_Ehdr 75babd0438SLieven Hey #define Elf_Phdr Elf32_Phdr 769b07e27fSStephane Eranian #define Elf_Shdr Elf32_Shdr 779b07e27fSStephane Eranian #define Elf_Sym Elf32_Sym 789b07e27fSStephane Eranian #define ELF_ST_TYPE(a) ELF32_ST_TYPE(a) 799b07e27fSStephane Eranian #define ELF_ST_BIND(a) ELF32_ST_BIND(a) 809b07e27fSStephane Eranian #define ELF_ST_VIS(a) ELF32_ST_VISIBILITY(a) 819b07e27fSStephane Eranian #endif 829b07e27fSStephane Eranian 839b07e27fSStephane Eranian /* The .text section is directly after the ELF header */ 8489b15d00SAdrian Hunter #define GEN_ELF_TEXT_OFFSET round_up(sizeof(Elf_Ehdr) + sizeof(Elf_Phdr), 16) 859b07e27fSStephane Eranian 869b07e27fSStephane Eranian #endif 87