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