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#elif defined(__sparc__) && defined(__arch64__)
33#define GEN_ELF_ARCH	EM_SPARCV9
34#define GEN_ELF_CLASS	ELFCLASS64
35#elif defined(__sparc__)
36#define GEN_ELF_ARCH	EM_SPARC
37#define GEN_ELF_CLASS	ELFCLASS32
38#elif defined(__s390x__)
39#define GEN_ELF_ARCH	EM_S390
40#define GEN_ELF_CLASS	ELFCLASS64
 
 
 
 
 
 
41#else
42#error "unsupported architecture"
43#endif
44
45#if __BYTE_ORDER == __BIG_ENDIAN
46#define GEN_ELF_ENDIAN	ELFDATA2MSB
47#else
48#define GEN_ELF_ENDIAN	ELFDATA2LSB
49#endif
50
51#if GEN_ELF_CLASS == ELFCLASS64
52#define elf_newehdr	elf64_newehdr
 
53#define elf_getshdr	elf64_getshdr
54#define Elf_Ehdr	Elf64_Ehdr
 
55#define Elf_Shdr	Elf64_Shdr
56#define Elf_Sym		Elf64_Sym
57#define ELF_ST_TYPE(a)	ELF64_ST_TYPE(a)
58#define ELF_ST_BIND(a)	ELF64_ST_BIND(a)
59#define ELF_ST_VIS(a)	ELF64_ST_VISIBILITY(a)
60#else
61#define elf_newehdr	elf32_newehdr
 
62#define elf_getshdr	elf32_getshdr
63#define Elf_Ehdr	Elf32_Ehdr
 
64#define Elf_Shdr	Elf32_Shdr
65#define Elf_Sym		Elf32_Sym
66#define ELF_ST_TYPE(a)	ELF32_ST_TYPE(a)
67#define ELF_ST_BIND(a)	ELF32_ST_BIND(a)
68#define ELF_ST_VIS(a)	ELF32_ST_VISIBILITY(a)
69#endif
70
71/* The .text section is directly after the ELF header */
72#define GEN_ELF_TEXT_OFFSET sizeof(Elf_Ehdr)
73
74#endif

 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 */
 8int 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
12/* genelf_debug.c */
13int 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