diff -r 1af5c1be89f8 -r 92d87f2e53c2 tools/elf4rom/libs/dwarf-20071209/libdwarf/dwarf_abbrev.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/elf4rom/libs/dwarf-20071209/libdwarf/dwarf_abbrev.c	Fri Jan 15 09:07:44 2010 +0000
@@ -0,0 +1,257 @@
+/*
+
+  Copyright (C) 2000,2001,2004,2005 Silicon Graphics, Inc.  All Rights Reserved.
+  Portions Copyright (C) David Anderson. All Rights Reserved.
+
+  This program is free software; you can redistribute it and/or modify it
+  under the terms of version 2.1 of the GNU Lesser General Public License 
+  as published by the Free Software Foundation.
+
+  This program is distributed in the hope that it would be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
+
+  Further, this software is distributed without any warranty that it is
+  free of the rightful claim of any third person regarding infringement 
+  or the like.  Any license provided herein, whether implied or 
+  otherwise, applies only to this software file.  Patent licenses, if
+  any, provided herein do not apply to combinations of this program with 
+  other software, or any other product whatsoever.  
+
+  You should have received a copy of the GNU Lesser General Public 
+  License along with this program; if not, write the Free Software 
+  Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301,
+  USA.
+
+  Contact information:  Silicon Graphics, Inc., 1500 Crittenden Lane,
+  Mountain View, CA 94043, or:
+
+  http://www.sgi.com
+
+  For further information regarding this notice, see:
+
+  http://oss.sgi.com/projects/GenInfo/NoticeExplan
+
+*/
+/* The address of the Free Software Foundation is 
+   Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 
+   Boston, MA 02110-1301, USA.
+   SGI has moved from the above address.
+*/
+
+
+
+
+#include "config.h"
+#include "dwarf_incl.h"
+#include <stdio.h>
+#include "dwarf_abbrev.h"
+
+int
+dwarf_get_abbrev(Dwarf_Debug dbg,
+		 Dwarf_Unsigned offset,
+		 Dwarf_Abbrev * returned_abbrev,
+		 Dwarf_Unsigned * length,
+		 Dwarf_Unsigned * abbr_count, Dwarf_Error * error)
+{
+    Dwarf_Small *abbrev_ptr;
+    Dwarf_Small *abbrev_section_end;
+    Dwarf_Half attr;
+    Dwarf_Half attr_form;
+    Dwarf_Abbrev ret_abbrev;
+    Dwarf_Unsigned labbr_count = 0;
+    Dwarf_Unsigned utmp;
+
+
+    if (dbg == NULL) {
+	_dwarf_error(NULL, error, DW_DLE_DBG_NULL);
+	return (DW_DLV_ERROR);
+    }
+    if (dbg->de_debug_abbrev == 0) {
+	/* Loads abbrev section (and .debug_info as we do those
+	   together). */
+	int res = _dwarf_load_debug_info(dbg, error);
+
+	if (res != DW_DLV_OK) {
+	    return res;
+	}
+    }
+
+    if (offset >= dbg->de_debug_abbrev_size) {
+	return (DW_DLV_NO_ENTRY);
+    }
+
+
+    ret_abbrev = (Dwarf_Abbrev) _dwarf_get_alloc(dbg, DW_DLA_ABBREV, 1);
+    if (ret_abbrev == NULL) {
+	_dwarf_error(dbg, error, DW_DLE_ALLOC_FAIL);
+	return (DW_DLV_ERROR);
+    }
+    ret_abbrev->ab_dbg = dbg;
+    if (returned_abbrev == 0 || abbr_count == 0) {
+	dwarf_dealloc(dbg, ret_abbrev, DW_DLA_ABBREV);
+	_dwarf_error(dbg, error, DW_DLE_DWARF_ABBREV_NULL);
+	return (DW_DLV_ERROR);
+    }
+
+
+    *abbr_count = 0;
+    if (length != NULL)
+	*length = 1;
+
+    abbrev_ptr = dbg->de_debug_abbrev + offset;
+    abbrev_section_end =
+	dbg->de_debug_abbrev + dbg->de_debug_abbrev_size;
+
+    DECODE_LEB128_UWORD(abbrev_ptr, utmp);
+    ret_abbrev->ab_code = (Dwarf_Word) utmp;
+    if (ret_abbrev->ab_code == 0) {
+	*returned_abbrev = ret_abbrev;
+	*abbr_count = 0;
+	if (length) {
+	    *length = 1;
+	}
+	return (DW_DLV_OK);
+    }
+
+    DECODE_LEB128_UWORD(abbrev_ptr, utmp);
+    ret_abbrev->ab_tag = utmp;
+    ret_abbrev->ab_has_child = *(abbrev_ptr++);
+    ret_abbrev->ab_abbrev_ptr = abbrev_ptr;
+
+    do {
+	Dwarf_Unsigned utmp2;
+
+	DECODE_LEB128_UWORD(abbrev_ptr, utmp2);
+	attr = (Dwarf_Half) utmp2;
+	DECODE_LEB128_UWORD(abbrev_ptr, utmp2);
+	attr_form = (Dwarf_Half) utmp2;
+
+	if (attr != 0)
+	    (labbr_count)++;
+
+    } while (abbrev_ptr < abbrev_section_end &&
+	     (attr != 0 || attr_form != 0));
+
+    if (abbrev_ptr > abbrev_section_end) {
+	dwarf_dealloc(dbg, ret_abbrev, DW_DLA_ABBREV);
+	_dwarf_error(dbg, error, DW_DLE_ABBREV_DECODE_ERROR);
+	return (DW_DLV_ERROR);
+    }
+
+    if (length != NULL)
+	*length = abbrev_ptr - dbg->de_debug_abbrev - offset;
+
+    *returned_abbrev = ret_abbrev;
+    *abbr_count = labbr_count;
+    return (DW_DLV_OK);
+}
+
+int
+dwarf_get_abbrev_code(Dwarf_Abbrev abbrev,
+		      Dwarf_Unsigned * returned_code,
+		      Dwarf_Error * error)
+{
+    if (abbrev == NULL) {
+	_dwarf_error(NULL, error, DW_DLE_DWARF_ABBREV_NULL);
+	return (DW_DLV_ERROR);
+    }
+
+    *returned_code = abbrev->ab_code;
+    return (DW_DLV_OK);
+}
+
+int
+dwarf_get_abbrev_tag(Dwarf_Abbrev abbrev,
+		     Dwarf_Half * returned_tag, Dwarf_Error * error)
+{
+    if (abbrev == NULL) {
+	_dwarf_error(NULL, error, DW_DLE_DWARF_ABBREV_NULL);
+	return (DW_DLV_ERROR);
+    }
+
+    *returned_tag = abbrev->ab_tag;
+    return (DW_DLV_OK);
+}
+
+
+int
+dwarf_get_abbrev_children_flag(Dwarf_Abbrev abbrev,
+			       Dwarf_Signed * returned_flag,
+			       Dwarf_Error * error)
+{
+    if (abbrev == NULL) {
+	_dwarf_error(NULL, error, DW_DLE_DWARF_ABBREV_NULL);
+	return (DW_DLV_ERROR);
+    }
+
+    *returned_flag = abbrev->ab_has_child;
+    return (DW_DLV_OK);
+}
+
+
+int
+dwarf_get_abbrev_entry(Dwarf_Abbrev abbrev,
+		       Dwarf_Signed index,
+		       Dwarf_Half * returned_attr_num,
+		       Dwarf_Signed * form,
+		       Dwarf_Off * offset, Dwarf_Error * error)
+{
+    Dwarf_Byte_Ptr abbrev_ptr = 0;
+    Dwarf_Byte_Ptr abbrev_end = 0;
+    Dwarf_Byte_Ptr mark_abbrev_ptr = 0;
+    Dwarf_Half attr = 0;
+    Dwarf_Half attr_form = 0;
+
+    if (index < 0)
+	return (DW_DLV_NO_ENTRY);
+
+    if (abbrev == NULL) {
+	_dwarf_error(NULL, error, DW_DLE_DWARF_ABBREV_NULL);
+	return (DW_DLV_ERROR);
+    }
+
+    if (abbrev->ab_code == 0) {
+	return (DW_DLV_NO_ENTRY);
+    }
+
+    if (abbrev->ab_dbg == NULL) {
+	_dwarf_error(NULL, error, DW_DLE_DBG_NULL);
+	return (DW_DLV_ERROR);
+    }
+
+    abbrev_ptr = abbrev->ab_abbrev_ptr;
+    abbrev_end =
+	abbrev->ab_dbg->de_debug_abbrev +
+	abbrev->ab_dbg->de_debug_abbrev_size;
+
+    for (attr = 1, attr_form = 1;
+	 index >= 0 && abbrev_ptr < abbrev_end && (attr != 0 ||
+						   attr_form != 0);
+	 index--) {
+	Dwarf_Unsigned utmp4;
+
+	mark_abbrev_ptr = abbrev_ptr;
+	DECODE_LEB128_UWORD(abbrev_ptr, utmp4);
+	attr = (Dwarf_Half) utmp4;
+	DECODE_LEB128_UWORD(abbrev_ptr, utmp4);
+	attr_form = (Dwarf_Half) utmp4;
+    }
+
+    if (abbrev_ptr >= abbrev_end) {
+	_dwarf_error(abbrev->ab_dbg, error, DW_DLE_ABBREV_DECODE_ERROR);
+	return (DW_DLV_ERROR);
+    }
+
+    if (index >= 0) {
+	return (DW_DLV_NO_ENTRY);
+    }
+
+    if (form != NULL)
+	*form = attr_form;
+    if (offset != NULL)
+	*offset = mark_abbrev_ptr - abbrev->ab_dbg->de_debug_abbrev;
+
+    *returned_attr_num = (attr);
+    return DW_DLV_OK;
+}