mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-30 04:54:52 +00:00
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
|
/* Return string associated with given attribute.
|
||
|
|
Copyright (C) 2003-2010, 2013 Red Hat, Inc.
|
||
|
|
This file is part of elfutils.
|
||
|
|
Written by Ulrich Drepper <drepper@redhat.com>, 2003.
|
||
|
|
|
||
|
|
This file is free software; you can redistribute it and/or modify
|
||
|
|
it under the terms of either
|
||
|
|
|
||
|
|
* the GNU Lesser General Public License as published by the Free
|
||
|
|
Software Foundation; either version 3 of the License, or (at
|
||
|
|
your option) any later version
|
||
|
|
|
||
|
|
or
|
||
|
|
|
||
|
|
* the GNU General Public License as published by the Free
|
||
|
|
Software Foundation; either version 2 of the License, or (at
|
||
|
|
your option) any later version
|
||
|
|
|
||
|
|
or both in parallel, as here.
|
||
|
|
|
||
|
|
elfutils is distributed in the hope that it will be useful, but
|
||
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
General Public License for more details.
|
||
|
|
|
||
|
|
You should have received copies of the GNU General Public License and
|
||
|
|
the GNU Lesser General Public License along with this program. If
|
||
|
|
not, see <http://www.gnu.org/licenses/>. */
|
||
|
|
|
||
|
|
#ifdef HAVE_CONFIG_H
|
||
|
|
# include <config.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <dwarf.h>
|
||
|
|
#include "libdwP.h"
|
||
|
|
|
||
|
|
|
||
|
|
const char *
|
||
|
|
dwarf_formstring (Dwarf_Attribute *attrp)
|
||
|
|
{
|
||
|
|
/* Ignore earlier errors. */
|
||
|
|
if (attrp == NULL)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
/* We found it. Now determine where the string is stored. */
|
||
|
|
if (attrp->form == DW_FORM_string)
|
||
|
|
/* A simple inlined string. */
|
||
|
|
return (const char *) attrp->valp;
|
||
|
|
|
||
|
|
Dwarf *dbg = attrp->cu->dbg;
|
||
|
|
Dwarf *dbg_ret = attrp->form == DW_FORM_GNU_strp_alt ? dbg->alt_dwarf : dbg;
|
||
|
|
|
||
|
|
if (unlikely (dbg_ret == NULL))
|
||
|
|
{
|
||
|
|
__libdw_seterrno (DWARF_E_NO_ALT_DEBUGLINK);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if (unlikely (attrp->form != DW_FORM_strp
|
||
|
|
&& attrp->form != DW_FORM_GNU_strp_alt)
|
||
|
|
|| dbg_ret->sectiondata[IDX_debug_str] == NULL)
|
||
|
|
{
|
||
|
|
__libdw_seterrno (DWARF_E_NO_STRING);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint64_t off;
|
||
|
|
if (__libdw_read_offset (dbg, dbg_ret, cu_sec_idx (attrp->cu), attrp->valp,
|
||
|
|
attrp->cu->offset_size, &off, IDX_debug_str, 1))
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
return (const char *) dbg_ret->sectiondata[IDX_debug_str]->d_buf + off;
|
||
|
|
}
|
||
|
|
INTDEF(dwarf_formstring)
|