--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/elf4rom/libs/libelf-0.8.10/lib/end.c Fri Jan 15 09:07:44 2010 +0000
@@ -0,0 +1,118 @@
+/*
+ * end.c - implementation of the elf_end(3) function.
+ * Copyright (C) 1995 - 2004 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: end.c,v 1.11 2005/05/21 15:39:21 michael Exp $";
+#endif /* lint */
+
+#if HAVE_MMAP
+#include <sys/mman.h>
+#endif /* HAVE_MMAP */
+
+static void
+_elf_free(void *ptr) {
+ if (ptr) {
+ free(ptr);
+ }
+}
+
+static void
+_elf_free_scns(Elf *elf, Elf_Scn *scn) {
+ Scn_Data *sd, *tmp;
+ Elf_Scn *freescn;
+
+ for (freescn = NULL; scn; scn = scn->s_link) {
+ elf_assert(scn->s_magic == SCN_MAGIC);
+ elf_assert(scn->s_elf == elf);
+ for (sd = scn->s_data_1; sd; sd = tmp) {
+ elf_assert(sd->sd_magic == DATA_MAGIC);
+ elf_assert(sd->sd_scn == scn);
+ tmp = sd->sd_link;
+ if (sd->sd_free_data) {
+ _elf_free(sd->sd_memdata);
+ }
+ if (sd->sd_freeme) {
+ free(sd);
+ }
+ }
+ if ((sd = scn->s_rawdata)) {
+ elf_assert(sd->sd_magic == DATA_MAGIC);
+ elf_assert(sd->sd_scn == scn);
+ if (sd->sd_free_data) {
+ _elf_free(sd->sd_memdata);
+ }
+ if (sd->sd_freeme) {
+ free(sd);
+ }
+ }
+ if (scn->s_freeme) {
+ _elf_free(freescn);
+ freescn = scn;
+ }
+ }
+ _elf_free(freescn);
+}
+
+int
+elf_end(Elf *elf) {
+ Elf **siblings;
+
+ if (!elf) {
+ return 0;
+ }
+ elf_assert(elf->e_magic == ELF_MAGIC);
+ if (--elf->e_count) {
+ return elf->e_count;
+ }
+ if (elf->e_parent) {
+ elf_assert(elf->e_parent->e_magic == ELF_MAGIC);
+ elf_assert(elf->e_parent->e_kind == ELF_K_AR);
+ siblings = &elf->e_parent->e_members;
+ while (*siblings) {
+ if (*siblings == elf) {
+ *siblings = elf->e_link;
+ break;
+ }
+ siblings = &(*siblings)->e_link;
+ }
+ elf_end(elf->e_parent);
+ _elf_free(elf->e_arhdr);
+ }
+#if HAVE_MMAP
+ else if (elf->e_unmap_data) {
+ munmap(elf->e_data, elf->e_size);
+ }
+#endif /* HAVE_MMAP */
+ else if (!elf->e_memory) {
+ _elf_free(elf->e_data);
+ }
+ _elf_free_scns(elf, elf->e_scn_1);
+ if (elf->e_rawdata != elf->e_data) {
+ _elf_free(elf->e_rawdata);
+ }
+ if (elf->e_free_syms) {
+ _elf_free(elf->e_symtab);
+ }
+ _elf_free(elf->e_ehdr);
+ _elf_free(elf->e_phdr);
+ free(elf);
+ return 0;
+}