--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/elf4rom/libs/libelf-0.8.10/lib/rawdata.c Fri Jan 15 09:07:44 2010 +0000
@@ -0,0 +1,89 @@
+/*
+rawdata.c - implementation of the elf_rawdata(3) function.
+Copyright (C) 1995 - 2000 Michael Riepe
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+This library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include <private.h>
+
+#ifndef lint
+static const char rcsid[] = "@(#) $Id: rawdata.c,v 1.9 2005/05/21 15:39:26 michael Exp $";
+#endif /* lint */
+
+Elf_Data*
+elf_rawdata(Elf_Scn *scn, Elf_Data *data) {
+ Scn_Data *sd;
+ Elf *elf;
+
+ if (!scn) {
+ return NULL;
+ }
+ elf_assert(scn->s_magic == SCN_MAGIC);
+ elf = scn->s_elf;
+ elf_assert(elf);
+ elf_assert(elf->e_magic == ELF_MAGIC);
+ if (!elf->e_readable) {
+ return NULL;
+ }
+ else if (scn->s_index == SHN_UNDEF || scn->s_type == SHT_NULL) {
+ seterr(ERROR_NULLSCN);
+ }
+ else if (data) {
+ return NULL;
+ }
+ else if ((sd = scn->s_rawdata)) {
+ elf_assert(sd->sd_magic == DATA_MAGIC);
+ elf_assert(sd->sd_scn == scn);
+ return &sd->sd_data;
+ }
+ else if (scn->s_offset < 0 || scn->s_offset > elf->e_size) {
+ seterr(ERROR_OUTSIDE);
+ }
+ else if (scn->s_type != SHT_NOBITS
+ && scn->s_offset + scn->s_size > elf->e_size) {
+ seterr(ERROR_TRUNC_SCN);
+ }
+ else if (!(sd = (Scn_Data*)malloc(sizeof(*sd)))) {
+ seterr(ERROR_MEM_SCNDATA);
+ }
+ else {
+ *sd = _elf_data_init;
+ sd->sd_scn = scn;
+ sd->sd_freeme = 1;
+ sd->sd_data.d_size = scn->s_size;
+ sd->sd_data.d_version = _elf_version;
+ if (scn->s_type != SHT_NOBITS && scn->s_size) {
+ if (!(sd->sd_memdata = (char*)malloc(scn->s_size))) {
+ seterr(ERROR_IO_2BIG);
+ free(sd);
+ return NULL;
+ }
+ else if (elf->e_rawdata) {
+ memcpy(sd->sd_memdata, elf->e_rawdata + scn->s_offset, scn->s_size);
+ }
+ else if (!_elf_read(elf, sd->sd_memdata, scn->s_offset, scn->s_size)) {
+ free(sd->sd_memdata);
+ free(sd);
+ return NULL;
+ }
+ sd->sd_data.d_buf = sd->sd_memdata;
+ sd->sd_free_data = 1;
+ }
+ scn->s_rawdata = sd;
+ return &sd->sd_data;
+ }
+ return NULL;
+}