100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
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#ifndef ELF_H
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#define ELF_H
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#include <stdint.h>
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#define EI_DATA 5
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#define EI_NIDENT 16
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#define SHT_SYMTAB 2
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#define SHT_DYNAMIC 6
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#define SHT_REL 9
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#define SHT_DYNSYM 11
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#define SHT_MIPS_REGINFO 0x70000006
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#define STN_UNDEF 0
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#define STT_OBJECT 1
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#define STT_FUNC 2
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#define DT_PLTGOT 3
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#define DT_MIPS_LOCAL_GOTNO 0x7000000a
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#define DT_MIPS_SYMTABNO 0x70000011
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#define DT_MIPS_GOTSYM 0x70000013
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#define ELF32_R_SYM(info) ((info) >> 8)
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#define ELF32_R_TYPE(info) ((info) & 0xff)
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#define ELF32_ST_TYPE(info) ((info) & 0xf)
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#define R_MIPS_26 4
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#define R_MIPS_HI16 5
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#define R_MIPS_LO16 6
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#define SHN_UNDEF 0
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#define SHN_COMMON 0xfff2
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#define SHN_MIPS_ACOMMON 0xff00
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#define SHN_MIPS_TEXT 0xff01
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#define SHN_MIPS_DATA 0xff02
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typedef uint32_t Elf32_Addr;
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typedef uint32_t Elf32_Off;
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typedef struct {
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uint8_t e_ident[EI_NIDENT];
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uint16_t e_type;
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uint16_t e_machine;
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uint32_t e_version;
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Elf32_Addr e_entry;
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Elf32_Off e_phoff;
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Elf32_Off e_shoff;
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uint32_t e_flags;
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uint16_t e_ehsize;
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uint16_t e_phentsize;
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uint16_t e_phnum;
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uint16_t e_shentsize;
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uint16_t e_shnum;
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uint16_t e_shstrndx;
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} Elf32_Ehdr;
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typedef struct {
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uint32_t sh_name;
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uint32_t sh_type;
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uint32_t sh_flags;
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Elf32_Addr sh_addr;
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Elf32_Off sh_offset;
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uint32_t sh_size;
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uint32_t sh_link;
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uint32_t sh_info;
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uint32_t sh_addralign;
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uint32_t sh_entsize;
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} Elf32_Shdr;
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typedef struct {
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uint32_t st_name;
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Elf32_Addr st_value;
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uint32_t st_size;
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uint8_t st_info;
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uint8_t st_other;
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uint16_t st_shndx;
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} Elf32_Sym;
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typedef struct {
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Elf32_Addr r_offset;
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uint32_t r_info;
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} Elf32_Rel;
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typedef struct
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{
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uint32_t ri_gprmask; /* General registers used. */
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uint32_t ri_cprmask[4]; /* Coprocessor registers used. */
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int32_t ri_gp_value; /* $gp register value. */
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} Elf32_RegInfo;
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typedef struct
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{
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int32_t d_tag; /* Dynamic entry type */
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union {
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uint32_t d_val; /* Integer value */
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Elf32_Addr d_ptr; /* Address value */
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} d_un;
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} Elf32_Dyn;
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#endif
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