1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/math.h>
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 unwinding_header_size, uint64_t unwinding_size);
11 #ifdef HAVE_DWARF_SUPPORT
13 int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_entries);
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
50 #error "unsupported architecture"
53 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
54 #define GEN_ELF_ENDIAN ELFDATA2MSB
56 #define GEN_ELF_ENDIAN ELFDATA2LSB
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)
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)
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)