FreeBSD manual

download PDF document: gelf_getsyminfo.3.pdf

GELF_GETSYMINFO(3) FreeBSD Library Functions Manual GELF_GETSYMINFO(3) NAME gelf_getsyminfo, gelf_update_syminfo - read and update symbol information LIBRARY ELF Access Library (libelf, -lelf) SYNOPSIS #include <gelf.h> GElf_Syminfo * gelf_getsyminfo(Elf_Data *data, int ndx, GElf_Syminfo *syminfo); int gelf_update_syminfo(Elf_Data *data, int ndx, GElf_Syminfo *syminfo); DESCRIPTION These convenience functions are used to retrieve and update class- dependent Elf32_Syminfo and Elf64_Syminfo records in an ELF object. Argument data is an Elf_Data descriptor associated with a section of type SHT_SUNW_syminfo. Argument ndx is the index of the record being retrieved or updated. The class-independent GElf_Syminfo structure is described in gelf(3). Function gelf_getsyminfo() retrieves class-dependent record at index ndx in data buffer data and copies it to the destination pointed to by argument syminfo after translation to class-independent form. Function gelf_update_syminfo() converts the class-independent record pointed to by argument syminfo to class-dependent form, and writes it to the record at index ndx in the data buffer described by argument data. RETURN VALUES Function gelf_getsyminfo() returns the value of argument syminfo if successful, or NULL in case of an error. Function gelf_update_syminfo() returns a non-zero value if successful, or zero in case of an error. ERRORS These functions may fail with the following errors: [ELF_E_ARGUMENT] Arguments data or syminfo 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_VERSION] The Elf_Data descriptor denoted by argument data is associated with an ELF object with an unsupported version. SEE ALSO elf(3), elf_getdata(3), elf_getscn(3), gelf(3), gelf_getsym(3), gelf_update_sym(3) FreeBSD 14.0-RELEASE-p11 April 22, 2019 FreeBSD 14.0-RELEASE-p11