--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/elf4rom/libs/libelf-0.8.10/lib/gelfehdr.c	Fri Jan 15 09:07:44 2010 +0000
@@ -0,0 +1,140 @@
+/*
+ * gelfehdr.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: gelfehdr.c,v 1.8 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_Ehdr*
+gelf_getehdr(Elf *elf, GElf_Ehdr *dst) {
+    GElf_Ehdr buf;
+    char *tmp;
+
+    if (!elf) {
+	return NULL;
+    }
+    elf_assert(elf->e_magic == ELF_MAGIC);
+    tmp = _elf_getehdr(elf, elf->e_class);
+    if (!tmp) {
+	return NULL;
+    }
+    if (!dst) {
+	dst = &buf;
+    }
+    if (elf->e_class == ELFCLASS64) {
+	*dst = *(Elf64_Ehdr*)tmp;
+    }
+    else if (elf->e_class == ELFCLASS32) {
+	Elf32_Ehdr *src = (Elf32_Ehdr*)tmp;
+
+	memcpy(dst->e_ident, src->e_ident, EI_NIDENT);
+	check_and_copy(GElf_Half, dst, src, e_type,      NULL);
+	check_and_copy(GElf_Half, dst, src, e_machine,   NULL);
+	check_and_copy(GElf_Word, dst, src, e_version,   NULL);
+	check_and_copy(GElf_Addr, dst, src, e_entry,     NULL);
+	check_and_copy(GElf_Off,  dst, src, e_phoff,     NULL);
+	check_and_copy(GElf_Off,  dst, src, e_shoff,     NULL);
+	check_and_copy(GElf_Word, dst, src, e_flags,     NULL);
+	check_and_copy(GElf_Half, dst, src, e_ehsize,    NULL);
+	check_and_copy(GElf_Half, dst, src, e_phentsize, NULL);
+	check_and_copy(GElf_Half, dst, src, e_phnum,     NULL);
+	check_and_copy(GElf_Half, dst, src, e_shentsize, NULL);
+	check_and_copy(GElf_Half, dst, src, e_shnum,     NULL);
+	check_and_copy(GElf_Half, dst, src, e_shstrndx,  NULL);
+    }
+    else {
+	if (valid_class(elf->e_class)) {
+	    seterr(ERROR_UNIMPLEMENTED);
+	}
+	else {
+	    seterr(ERROR_UNKNOWN_CLASS);
+	}
+	return NULL;
+    }
+    if (dst == &buf) {
+	dst = (GElf_Ehdr*)malloc(sizeof(GElf_Ehdr));
+	if (!dst) {
+	    seterr(ERROR_MEM_EHDR);
+	    return NULL;
+	}
+	*dst = buf;
+    }
+    return dst;
+}
+
+int
+gelf_update_ehdr(Elf *elf, GElf_Ehdr *src) {
+    char *tmp;
+
+    if (!elf || !src) {
+	return 0;
+    }
+    elf_assert(elf->e_magic == ELF_MAGIC);
+    tmp = _elf_getehdr(elf, elf->e_class);
+    if (!tmp) {
+	return 0;
+    }
+    if (elf->e_class == ELFCLASS64) {
+	*(Elf64_Ehdr*)tmp = *src;
+    }
+    else if (elf->e_class == ELFCLASS32) {
+	Elf32_Ehdr *dst = (Elf32_Ehdr*)tmp;
+
+	memcpy(dst->e_ident, src->e_ident, EI_NIDENT);
+	check_and_copy(Elf32_Half, dst, src, e_type,      0);
+	check_and_copy(Elf32_Half, dst, src, e_machine,   0);
+	check_and_copy(Elf32_Word, dst, src, e_version,   0);
+	check_and_copy(Elf32_Addr, dst, src, e_entry,     0);
+	check_and_copy(Elf32_Off,  dst, src, e_phoff,     0);
+	check_and_copy(Elf32_Off,  dst, src, e_shoff,     0);
+	check_and_copy(Elf32_Word, dst, src, e_flags,     0);
+	check_and_copy(Elf32_Half, dst, src, e_ehsize,    0);
+	check_and_copy(Elf32_Half, dst, src, e_phentsize, 0);
+	check_and_copy(Elf32_Half, dst, src, e_phnum,     0);
+	check_and_copy(Elf32_Half, dst, src, e_shentsize, 0);
+	check_and_copy(Elf32_Half, dst, src, e_shnum,     0);
+	check_and_copy(Elf32_Half, dst, src, e_shstrndx,  0);
+    }
+    else {
+	if (valid_class(elf->e_class)) {
+	    seterr(ERROR_UNIMPLEMENTED);
+	}
+	else {
+	    seterr(ERROR_UNKNOWN_CLASS);
+	}
+	return 0;
+    }
+    return 1;
+}
+
+#endif /* __LIBELF64 */