xref: /linux/tools/perf/util/genelf.h (revision 607bfbd7ffc60156ae0831c917497dc91a57dd8d)
1 #ifndef __GENELF_H__
2 #define __GENELF_H__
3 
4 /* genelf.c */
5 extern int jit_write_elf(int fd, uint64_t code_addr, const char *sym,
6 			 const void *code, int csize,
7 			 void *debug, int nr_debug_entries);
8 /* genelf_debug.c */
9 extern int jit_add_debug_info(Elf *e, uint64_t code_addr,
10 			      void *debug, int nr_debug_entries);
11 
12 #if   defined(__arm__)
13 #define GEN_ELF_ARCH	EM_ARM
14 #define GEN_ELF_ENDIAN	ELFDATA2LSB
15 #define GEN_ELF_CLASS	ELFCLASS32
16 #elif defined(__aarch64__)
17 #define GEN_ELF_ARCH	EM_AARCH64
18 #define GEN_ELF_ENDIAN	ELFDATA2LSB
19 #define GEN_ELF_CLASS	ELFCLASS64
20 #elif defined(__x86_64__)
21 #define GEN_ELF_ARCH	EM_X86_64
22 #define GEN_ELF_ENDIAN	ELFDATA2LSB
23 #define GEN_ELF_CLASS	ELFCLASS64
24 #elif defined(__i386__)
25 #define GEN_ELF_ARCH	EM_386
26 #define GEN_ELF_ENDIAN	ELFDATA2LSB
27 #define GEN_ELF_CLASS	ELFCLASS32
28 #elif defined(__ppcle__)
29 #define GEN_ELF_ARCH	EM_PPC
30 #define GEN_ELF_ENDIAN	ELFDATA2LSB
31 #define GEN_ELF_CLASS	ELFCLASS64
32 #elif defined(__powerpc__)
33 #define GEN_ELF_ARCH	EM_PPC64
34 #define GEN_ELF_ENDIAN	ELFDATA2MSB
35 #define GEN_ELF_CLASS	ELFCLASS64
36 #elif defined(__powerpcle__)
37 #define GEN_ELF_ARCH	EM_PPC64
38 #define GEN_ELF_ENDIAN	ELFDATA2LSB
39 #define GEN_ELF_CLASS	ELFCLASS64
40 #else
41 #error "unsupported architecture"
42 #endif
43 
44 #if GEN_ELF_CLASS == ELFCLASS64
45 #define elf_newehdr	elf64_newehdr
46 #define elf_getshdr	elf64_getshdr
47 #define Elf_Ehdr	Elf64_Ehdr
48 #define Elf_Shdr	Elf64_Shdr
49 #define Elf_Sym		Elf64_Sym
50 #define ELF_ST_TYPE(a)	ELF64_ST_TYPE(a)
51 #define ELF_ST_BIND(a)	ELF64_ST_BIND(a)
52 #define ELF_ST_VIS(a)	ELF64_ST_VISIBILITY(a)
53 #else
54 #define elf_newehdr	elf32_newehdr
55 #define elf_getshdr	elf32_getshdr
56 #define Elf_Ehdr	Elf32_Ehdr
57 #define Elf_Shdr	Elf32_Shdr
58 #define Elf_Sym		Elf32_Sym
59 #define ELF_ST_TYPE(a)	ELF32_ST_TYPE(a)
60 #define ELF_ST_BIND(a)	ELF32_ST_BIND(a)
61 #define ELF_ST_VIS(a)	ELF32_ST_VISIBILITY(a)
62 #endif
63 
64 /* The .text section is directly after the ELF header */
65 #define GEN_ELF_TEXT_OFFSET sizeof(Elf_Ehdr)
66 
67 #endif
68