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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __GENELF_H__
3#define __GENELF_H__
4
5/* genelf.c */
6int jit_write_elf(int fd, uint64_t code_addr, const char *sym,
7 const void *code, int csize, void *debug, int nr_debug_entries,
8 void *unwinding, uint64_t unwinding_header_size, uint64_t unwinding_size);
9#ifdef HAVE_DWARF_SUPPORT
10/* genelf_debug.c */
11int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_entries);
12#endif
13
14#if defined(__arm__)
15#define GEN_ELF_ARCH EM_ARM
16#define GEN_ELF_CLASS ELFCLASS32
17#elif defined(__aarch64__)
18#define GEN_ELF_ARCH EM_AARCH64
19#define GEN_ELF_CLASS ELFCLASS64
20#elif defined(__x86_64__)
21#define GEN_ELF_ARCH EM_X86_64
22#define GEN_ELF_CLASS ELFCLASS64
23#elif defined(__i386__)
24#define GEN_ELF_ARCH EM_386
25#define GEN_ELF_CLASS ELFCLASS32
26#elif defined(__powerpc64__)
27#define GEN_ELF_ARCH EM_PPC64
28#define GEN_ELF_CLASS ELFCLASS64
29#elif defined(__powerpc__)
30#define GEN_ELF_ARCH EM_PPC
31#define GEN_ELF_CLASS ELFCLASS32
32#else
33#error "unsupported architecture"
34#endif
35
36#if __BYTE_ORDER == __BIG_ENDIAN
37#define GEN_ELF_ENDIAN ELFDATA2MSB
38#else
39#define GEN_ELF_ENDIAN ELFDATA2LSB
40#endif
41
42#if GEN_ELF_CLASS == ELFCLASS64
43#define elf_newehdr elf64_newehdr
44#define elf_getshdr elf64_getshdr
45#define Elf_Ehdr Elf64_Ehdr
46#define Elf_Shdr Elf64_Shdr
47#define Elf_Sym Elf64_Sym
48#define ELF_ST_TYPE(a) ELF64_ST_TYPE(a)
49#define ELF_ST_BIND(a) ELF64_ST_BIND(a)
50#define ELF_ST_VIS(a) ELF64_ST_VISIBILITY(a)
51#else
52#define elf_newehdr elf32_newehdr
53#define elf_getshdr elf32_getshdr
54#define Elf_Ehdr Elf32_Ehdr
55#define Elf_Shdr Elf32_Shdr
56#define Elf_Sym Elf32_Sym
57#define ELF_ST_TYPE(a) ELF32_ST_TYPE(a)
58#define ELF_ST_BIND(a) ELF32_ST_BIND(a)
59#define ELF_ST_VIS(a) ELF32_ST_VISIBILITY(a)
60#endif
61
62/* The .text section is directly after the ELF header */
63#define GEN_ELF_TEXT_OFFSET sizeof(Elf_Ehdr)
64
65#endif