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Man Pages


Manual Reference Pages  -  GELF_UPDATE_SYMINFO (3)

NAME

gelf_getsyminfo, gelf_update_syminfo - read and update symbol information

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also

LIBRARY


.Lb libelf

SYNOPSIS


.In 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
.Vt Elf32_Syminfo and
.Vt Elf64_Syminfo records in an ELF object.

Argument data is an
.Vt 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
.Vt 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.

SEE ALSO

elf(3), elf_getdata(3), elf_getscn(3), gelf(3), gelf_getsym(3), gelf_update_sym(3)
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