elf.h File Reference

ELF structures. More...

#include <libtransistor/types.h>
#include <assert.h>
#include <stdint.h>

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Data Structures
struct	Elf64_Dyn
struct	Elf64_Rela
struct	Elf64_Rel
struct	Elf64_Sym
struct	Elf64_Ehdr
struct	Elf64_Phdr

Macros
#define	STN_UNDEF   0
#define	SHN_UNDEF   0

Enumerations
enum	{   EI_MAG0, EI_MAG1, EI_MAG2, EI_MAG3,   EI_CLASS, EI_DATA, EI_VERSION, EI_OSABI,   EI_ABIVERSION, EI_NIDENT = 16 }
enum	{ PF_X = 0x1, PF_W = 0x2, PF_R = 0x4 }
enum	{ PT_NULL, PT_LOAD, PT_DYNAMIC }
enum	{   DT_NULL = 0, DT_NEEDED = 1, DT_PLTRELSZ = 2, DT_PLTGOT = 3,   DT_HASH = 4, DT_STRTAB = 5, DT_SYMTAB = 6, DT_RELA = 7,   DT_RELASZ = 8, DT_RELAENT = 9, DT_STRSZ = 10, DT_SYMENT = 11,   DT_SYMBOLIC = 16, DT_REL = 17, DT_RELSZ = 18, DT_RELENT = 19,   DT_PLTREL = 20, DT_JMPREL = 23, DT_INIT_ARRAY = 25, DT_FINI_ARRAY = 26,   DT_INIT_ARRAYSZ = 27, DT_FINI_ARRAYSZ = 28, DT_FLAGS = 30, DT_GNU_HASH = 0x6ffffef5,   DT_RELACOUNT = 0x6ffffff9 }

Functions
result_t	elf_dynamic_find_value (Elf64_Dyn *dynamic, int64_t tag, uint64_t *value)
	Finds the value of the given tag in a dynamic section. More...
result_t	elf_dynamic_find_offset (Elf64_Dyn *dynamic, int64_t tag, void **value, void *base)
	Finds the value of the given tag in the dynamic section, treated as an offset from a given base. More...
uint64_t	elf_hash_string (const char *string)
	Hashes a string for lookup in the .hash table.

Detailed Description

ELF structures.

Function Documentation

result_t elf_dynamic_find_offset	(	Elf64_Dyn *	dynamic,
		int64_t	tag,
		void **	value,
		void *	base
	)

Finds the value of the given tag in the dynamic section, treated as an offset from a given base.

Returns

RESULT_OK, LIBTRANSISTOR_ERR_TRNLD_DUPLICATE_DT_ENTRY, or LIBTRANSISTOR_ERR_TRNLD_MISSING_DT_ENTRY

result_t elf_dynamic_find_value	(	Elf64_Dyn *	dynamic,
		int64_t	tag,
		uint64_t *	value
	)

Finds the value of the given tag in a dynamic section.

Returns

RESULT_OK, LIBTRANSISTOR_ERR_TRNLD_DUPLICATE_DT_ENTRY, or LIBTRANSISTOR_ERR_TRNLD_MISSING_DT_ENTRY