NAME
dwarf_get_elf
—
retrieve the Elf
descriptor associated with a Dwarf_Debug
instance
LIBRARY
library “libdwarf”
SYNOPSIS
#include
<libdwarf.h>
int
dwarf_get_elf
(Dwarf_Debug dbg,
Elf **elf, Dwarf_Error
*err);
DESCRIPTION
Functiondwarf_get_elf
()
returns the Elf descriptor associated with a
Dwarf_Debug instance.
Argument dbg should be a handle to a valid Dwarf_Debug instance returned by a prior call to dwarf_init(3) or dwarf_elf_init(3).
Argument elf points a location into which a handle to an Elf descriptor will be written.
Argument err is used to record error information in case of failure.
RETURN VALUES
On success, function dwarf_get_elf
()
returns DW_DLV_OK
. In case of an error, it returns
DW_DLV_ERROR
and sets argument
err.
EXAMPLES
To retrieve the Elf instance associated with a Dwarf_Debug instance use:
Dwarf_Debug dbg; Dwarf_Error de; Elf *elf; ... allocate dbg using dwarf_init() etc ... if (dwarf_get_elf(dbg, &elf, &de) != DW_DLV_OK) errx(EXIT_FAILURE, "dwarf_get_elf: %s", dwarf_errmsg(de));
SEE ALSO
dwarf(3), dwarf_errmsg(3), dwarf_finish(3), dwarf_init(3), elf(3)