tools/elf4rom/libs/dwarf-20071209/libdwarf/dwarf_weaks.c
changeset 34 92d87f2e53c2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/elf4rom/libs/dwarf-20071209/libdwarf/dwarf_weaks.c	Fri Jan 15 09:07:44 2010 +0000
@@ -0,0 +1,140 @@
+/*
+
+  Copyright (C) 2000,2002,2004,2005 Silicon Graphics, Inc.  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
+
+*/
+
+
+
+#include "config.h"
+#include "dwarf_incl.h"
+#include <stdio.h>
+#include "dwarf_weaks.h"
+#include "dwarf_global.h"
+
+int
+dwarf_get_weaks(Dwarf_Debug dbg,
+		Dwarf_Weak ** weaks,
+		Dwarf_Signed * ret_weak_count, Dwarf_Error * error)
+{
+    int res;
+
+    res =
+	_dwarf_load_section(dbg,
+			    dbg->de_debug_weaknames_index,
+			    &dbg->de_debug_weaknames, error);
+    if (res != DW_DLV_OK) {
+	return res;
+    }
+
+    return _dwarf_internal_get_pubnames_like_data(dbg, dbg->de_debug_weaknames, dbg->de_debug_weaknames_size, (Dwarf_Global **) weaks,	/* type 
+																	   punning, 
+																	   Dwarf_Type 
+																	   is 
+																	   never 
+																	   a 
+																	   completed 
+																	   type 
+																	 */
+						  ret_weak_count,
+						  error,
+						  DW_DLA_WEAK_CONTEXT,
+						  DW_DLA_WEAK,
+						  DW_DLE_DEBUG_WEAKNAMES_LENGTH_BAD,
+						  DW_DLE_DEBUG_WEAKNAMES_VERSION_ERROR);
+
+}
+
+/* Deallocating fully requires deallocating the list
+   and all entries.  But some internal data is
+   not exposed, so we need a function with internal knowledge.
+*/
+
+void
+dwarf_weaks_dealloc(Dwarf_Debug dbg, Dwarf_Weak * dwgl,
+		    Dwarf_Signed count)
+{
+    _dwarf_internal_globals_dealloc(dbg, (Dwarf_Global *) dwgl,
+				    count,
+				    DW_DLA_WEAK_CONTEXT,
+				    DW_DLA_WEAK, DW_DLA_LIST);
+    return;
+}
+
+
+
+int
+dwarf_weakname(Dwarf_Weak weak_in, char **ret_name, Dwarf_Error * error)
+{
+    Dwarf_Global weak = (Dwarf_Global) weak_in;
+
+    if (weak == NULL) {
+	_dwarf_error(NULL, error, DW_DLE_WEAK_NULL);
+	return (DW_DLV_ERROR);
+    }
+    *ret_name = (char *) (weak->gl_name);
+    return DW_DLV_OK;
+}
+
+
+int
+dwarf_weak_die_offset(Dwarf_Weak weak_in,
+		      Dwarf_Off * weak_off, Dwarf_Error * error)
+{
+    Dwarf_Global weak = (Dwarf_Global) weak_in;
+
+    return dwarf_global_die_offset(weak, weak_off, error);
+}
+
+
+int
+dwarf_weak_cu_offset(Dwarf_Weak weak_in,
+		     Dwarf_Off * weak_off, Dwarf_Error * error)
+{
+    Dwarf_Global weak = (Dwarf_Global) weak_in;
+
+    return dwarf_global_cu_offset(weak, weak_off, error);
+}
+
+
+int
+dwarf_weak_name_offsets(Dwarf_Weak weak_in,
+			char **weak_name,
+			Dwarf_Off * die_offset,
+			Dwarf_Off * cu_offset, Dwarf_Error * error)
+{
+    Dwarf_Global weak = (Dwarf_Global) weak_in;
+
+    return dwarf_global_name_offsets(weak,
+				     weak_name,
+				     die_offset, cu_offset, error);
+}