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Manual Pages  — DWARF_GET_ELF

NAME

dwarf_get_elf – retrieve the Elf descriptor associated with a Dwarf_Debug instance

CONTENTS

LIBRARY

DWARF Access Library (libdwarf, -ldwarf)

SYNOPSIS

#include <libdwarf.h>

int
dwarf_get_elf(Dwarf_Debug dbg, Elf **elf, Dwarf_Error *err);

DESCRIPTION

Function dwarf_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;


amp;... 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)
DWARF_GET_ELF (3) November 9, 2011
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