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#include <gelf.h>
Argument data is an Elf_Data descriptor associated with a section of type SHT_SYMTAB, SHT_DYNSYM or SHT_GNU_versym. Argument ndx is the index of the symbol being retrieved or updated. The class-independent GElf_Sym structure is described in gelf(3).
Function gelf_getsym() retrieves class-dependent symbol information at index ndx in data buffer data and copies it to the destination pointed to by argument sym after translation to class-independent form.
Function gelf_update_sym() converts the class-independent symbol information pointed to by argument sym to class-dependent form, and writes it to the symbol entry at index ndx in the data buffer described by argument data. Function gelf_update_sym() signals an error if any of the values in the class-independent representation exceeds the representable limits of the target type.
[ELF_E_ARGUMENT] | |
Arguments data or sym were NULL. | |
[ELF_E_ARGUMENT] | |
Argument ndx was less than zero or larger than the number of symbols in the data descriptor. | |
[ELF_E_ARGUMENT] | |
Data descriptor data was not associated with a section containing symbol information. | |
[ELF_E_RANGE] | A value was not representable in the target type. |
[ELF_E_VERSION] | The Elf_Data descriptor denoted by argument data is associated with an ELF object with an unsupported version. |
GELF_GETSYM (3) | April 22, 2019 |
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