--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/elf4rom/libs/libelf-0.8.10/lib/gelfshdr.c Fri Jan 15 09:07:44 2010 +0000
@@ -0,0 +1,125 @@
+/*
+ * gelfshdr.c - gelf_* translation functions.
+ * Copyright (C) 2000 - 2006 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>
+
+#if __LIBELF64
+
+#ifndef lint
+static const char rcsid[] = "@(#) $Id: gelfshdr.c,v 1.9 2006/07/07 22:16:43 michael Exp $";
+#endif /* lint */
+
+#define check_and_copy(type, d, s, name, eret) \
+ do { \
+ if (sizeof((d)->name) < sizeof((s)->name) \
+ && (type)(s)->name != (s)->name) { \
+ seterr(ERROR_BADVALUE); \
+ return (eret); \
+ } \
+ (d)->name = (type)(s)->name; \
+ } while (0)
+
+GElf_Shdr*
+gelf_getshdr(Elf_Scn *scn, GElf_Shdr *dst) {
+ GElf_Shdr buf;
+
+ if (!scn) {
+ return NULL;
+ }
+ elf_assert(scn->s_magic == SCN_MAGIC);
+ elf_assert(scn->s_elf);
+ elf_assert(scn->s_elf->e_magic == ELF_MAGIC);
+ if (!dst) {
+ dst = &buf;
+ }
+ if (scn->s_elf->e_class == ELFCLASS64) {
+ *dst = scn->s_shdr64;
+ }
+ else if (scn->s_elf->e_class == ELFCLASS32) {
+ Elf32_Shdr *src = &scn->s_shdr32;
+
+ check_and_copy(GElf_Word, dst, src, sh_name, NULL);
+ check_and_copy(GElf_Word, dst, src, sh_type, NULL);
+ check_and_copy(GElf_Xword, dst, src, sh_flags, NULL);
+ check_and_copy(GElf_Addr, dst, src, sh_addr, NULL);
+ check_and_copy(GElf_Off, dst, src, sh_offset, NULL);
+ check_and_copy(GElf_Xword, dst, src, sh_size, NULL);
+ check_and_copy(GElf_Word, dst, src, sh_link, NULL);
+ check_and_copy(GElf_Word, dst, src, sh_info, NULL);
+ check_and_copy(GElf_Xword, dst, src, sh_addralign, NULL);
+ check_and_copy(GElf_Xword, dst, src, sh_entsize, NULL);
+ }
+ else {
+ if (valid_class(scn->s_elf->e_class)) {
+ seterr(ERROR_UNIMPLEMENTED);
+ }
+ else {
+ seterr(ERROR_UNKNOWN_CLASS);
+ }
+ return NULL;
+ }
+ if (dst == &buf) {
+ dst = (GElf_Shdr*)malloc(sizeof(GElf_Shdr));
+ if (!dst) {
+ seterr(ERROR_MEM_SHDR);
+ return NULL;
+ }
+ *dst = buf;
+ }
+ return dst;
+}
+
+int
+gelf_update_shdr(Elf_Scn *scn, GElf_Shdr *src) {
+ if (!scn || !src) {
+ return 0;
+ }
+ elf_assert(scn->s_magic == SCN_MAGIC);
+ elf_assert(scn->s_elf);
+ elf_assert(scn->s_elf->e_magic == ELF_MAGIC);
+ if (scn->s_elf->e_class == ELFCLASS64) {
+ scn->s_shdr64 = *src;
+ }
+ else if (scn->s_elf->e_class == ELFCLASS32) {
+ Elf32_Shdr *dst = &scn->s_shdr32;
+
+ check_and_copy(Elf32_Word, dst, src, sh_name, 0);
+ check_and_copy(Elf32_Word, dst, src, sh_type, 0);
+ check_and_copy(Elf32_Word, dst, src, sh_flags, 0);
+ check_and_copy(Elf32_Addr, dst, src, sh_addr, 0);
+ check_and_copy(Elf32_Off, dst, src, sh_offset, 0);
+ check_and_copy(Elf32_Word, dst, src, sh_size, 0);
+ check_and_copy(Elf32_Word, dst, src, sh_link, 0);
+ check_and_copy(Elf32_Word, dst, src, sh_info, 0);
+ check_and_copy(Elf32_Word, dst, src, sh_addralign, 0);
+ check_and_copy(Elf32_Word, dst, src, sh_entsize, 0);
+ }
+ else {
+ if (valid_class(scn->s_elf->e_class)) {
+ seterr(ERROR_UNIMPLEMENTED);
+ }
+ else {
+ seterr(ERROR_UNKNOWN_CLASS);
+ }
+ return 0;
+ }
+ return 1;
+}
+
+#endif /* __LIBELF64 */