gelf_checksum()

An analog to elf32_checksum(3ELF) and elf64_checksum(3ELF).

gelf_getclass()

Returns one of the constants ELFCLASS32, ELFCLASS64 or ELFCLASSNONE.

gelf_fsize()

An analog to elf32_fsize(3ELF) and elf64_fsize(3ELF).

gelf_getehdr()

An analog to elf32_getehdr(3ELF) and elf64_getehdr(3ELF). dst points to the location where the GElf_Ehdr header will be stored.

gelf_update_ehdr()

Copies the contents of the GElf_Ehdr ELF header to the underlying Elf32_Ehdr or Elf64_Ehdr structure.

gelf_newehdr()

An analog to elf32_newehdr(3ELF) and elf64_newehdr(3ELF).

gelf_getphdr()

An analog toelf32_getphdr(3ELF) and elf64_getphdr(3ELF). dst points to the location where the GElf_Phdr program header will be stored.

gelf_update_phdr()

Copies of the contents of GElf_Phdr program header to underlying the Elf32_Phdr or Elf64_Phdr structure.

gelf_newphdr()

An analog to elf32_newphdr(3ELF) and elf64_newphdr(3ELF).

gelf_getshdr()

An analog to elf32_getshdr(3ELF) and elf64_getshdr(3ELF). dst points to the location where the GElf_Shdr section header will be stored.

gelf_update_shdr()

Copies of the contents of GElf_Shdr section header to underlying the Elf32_Shdr or Elf64_Shdr structure.

gelf_xlatetof()

An analog to elf32_xlatetof(3ELF) and elf64_xlatetof(3ELF)

gelf_xlatetom()

An analog to elf32_xlatetom(3ELF) and elf64_xlatetom(3ELF)

gelf_getsym()

Retrieves the Elf32_Sym or Elf64_Sym information from the symbol table at the given index. dst points to the location where the GElf_Sym symbol entry will be stored.

gelf_update_sym()

Copies the GElf_Sym information back into the underlying Elf32_Sym or Elf64_Sym structure at the given index.

gelf_getdyn()

Retrieves the Elf32_Dyn or Elf64_Dyn information from the dynamic table at the given index. dst points to the location where the GElf_Dyn dynamic entry will be stored.

gelf_update_dyn()

Copies the GElf_Dyn information back into the underlying Elf32_Dyn or Elf64_Dyn structure at the given index.

gelf_getrela()

Retrieves the Elf32_Rela or Elf64_Rela information from the relocation table at the given index. dst points to the location where the GElf_Rela relocation entry will be stored.

gelf_update_rela()

Copies the GElf_Rela information back into the underlying Elf32_Rela or Elf64_Rela structure at the given index.

gelf_getrel()

Retrieves the Elf32_Rel or Elf64_Rel information from the relocation table at the given index. dst points to the location where the GElf_Rel relocation entry will be stored.

gelf_update_rel()

Copies the GElf_Rel information back into the underlying Elf32_Rel or Elf64_Rel structure at the given index.

gelf_getsyminfo()

Retrieves the Elf32_Syminfo or Elf64_Syminfo information from the relocation table at the given index. dst points to the location where the GElf_Syminfo symbol information entry will be stored.

gelf_update_syminfo()

Copies the GElf_Syminfo information back into the underlying Elf32_Syminfo or Elf64_Syminfo structure at the given index.

gelf_getmove()

Retrieves the Elf32_Move or Elf64_Move information from the move table at the given index. dst points to the location where the GElf_Move move entry will be stored.

gelf_update_move()

Copies the GElf_Move information back into the underlying Elf32_Move or Elf64_Move structure at the given index.

#include <stdio.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <libelf.h> #include <gelf.h> void main(int argc, char **argv) { Elf *elf; Elf_Scn *scn = NULL; GElf_Shdr shdr; Elf_Data *data; int fd, ii, count; elf_version(EV_CURRENT); fd = open(argv[1], O_RDONLY); elf = elf_begin(fd, ELF_C_READ, NULL); while ((scn = elf_nextscn(elf, scn)) != NULL) { gelf_getshdr(scn, &shdr); if (shdr.sh_type == SHT_SYMTAB) { /* found a symbol table, go print it. */ break; } } data = elf_getdata(scn, NULL); count = shdr.sh_size / shdr.sh_entsize; /* print the symbol names */ for (ii = 0; ii < count; ++ii) { GElf_Sym sym; gelf_getsym(data, ii, &sym); printf("%s\n", elf_strptr(elf, shdr.sh_link, sym.st_name)); } elf_end(elf); close(fd); }