1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 29b07e27fSStephane Eranian #ifndef __GENELF_H__ 39b07e27fSStephane Eranian #define __GENELF_H__ 49b07e27fSStephane Eranian 5*89b15d00SAdrian Hunter #include <linux/math.h> 6*89b15d00SAdrian 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 469b07e27fSStephane Eranian #else 479b07e27fSStephane Eranian #error "unsupported architecture" 489b07e27fSStephane Eranian #endif 499b07e27fSStephane Eranian 504e88118cSIlya Leoshkevich #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 519f56c092SAnton Blanchard #define GEN_ELF_ENDIAN ELFDATA2MSB 529f56c092SAnton Blanchard #else 539f56c092SAnton Blanchard #define GEN_ELF_ENDIAN ELFDATA2LSB 549f56c092SAnton Blanchard #endif 559f56c092SAnton Blanchard 569b07e27fSStephane Eranian #if GEN_ELF_CLASS == ELFCLASS64 579b07e27fSStephane Eranian #define elf_newehdr elf64_newehdr 58babd0438SLieven Hey #define elf_newphdr elf64_newphdr 599b07e27fSStephane Eranian #define elf_getshdr elf64_getshdr 609b07e27fSStephane Eranian #define Elf_Ehdr Elf64_Ehdr 61babd0438SLieven Hey #define Elf_Phdr Elf64_Phdr 629b07e27fSStephane Eranian #define Elf_Shdr Elf64_Shdr 639b07e27fSStephane Eranian #define Elf_Sym Elf64_Sym 649b07e27fSStephane Eranian #define ELF_ST_TYPE(a) ELF64_ST_TYPE(a) 659b07e27fSStephane Eranian #define ELF_ST_BIND(a) ELF64_ST_BIND(a) 669b07e27fSStephane Eranian #define ELF_ST_VIS(a) ELF64_ST_VISIBILITY(a) 679b07e27fSStephane Eranian #else 689b07e27fSStephane Eranian #define elf_newehdr elf32_newehdr 69babd0438SLieven Hey #define elf_newphdr elf32_newphdr 709b07e27fSStephane Eranian #define elf_getshdr elf32_getshdr 719b07e27fSStephane Eranian #define Elf_Ehdr Elf32_Ehdr 72babd0438SLieven Hey #define Elf_Phdr Elf32_Phdr 739b07e27fSStephane Eranian #define Elf_Shdr Elf32_Shdr 749b07e27fSStephane Eranian #define Elf_Sym Elf32_Sym 759b07e27fSStephane Eranian #define ELF_ST_TYPE(a) ELF32_ST_TYPE(a) 769b07e27fSStephane Eranian #define ELF_ST_BIND(a) ELF32_ST_BIND(a) 779b07e27fSStephane Eranian #define ELF_ST_VIS(a) ELF32_ST_VISIBILITY(a) 789b07e27fSStephane Eranian #endif 799b07e27fSStephane Eranian 809b07e27fSStephane Eranian /* The .text section is directly after the ELF header */ 81*89b15d00SAdrian Hunter #define GEN_ELF_TEXT_OFFSET round_up(sizeof(Elf_Ehdr) + sizeof(Elf_Phdr), 16) 829b07e27fSStephane Eranian 839b07e27fSStephane Eranian #endif 84