1057 should correctly integrate libdwarf sources

Reviewed by: Gordon Ross <gwr@nexenta.com>
Reviewed by: Garrett D'Amore <garrett@nexenta.com>
Approved by: Eric Schrock <eric.schrock@delphix.com>

--HG--
rename : usr/src/tools/ctf/dwarf/dwarf.h => usr/src/tools/ctf/dwarf/common/dwarf.h
rename : usr/src/tools/ctf/dwarf/libdwarf.h => usr/src/tools/ctf/dwarf/common/libdwarf.h

1 files changed, 82 insertions, 0 deletions

diff --git a/usr/src/tools/ctf/dwarf/common/dwarf_string.c b/usr/src/tools/ctf/dwarf/common/dwarf_string.c
new file mode 100644
index 0000000000..886174ee8a
--- /dev/null
+++ b/usr/src/tools/ctf/dwarf/common/dwarf_string.c
@@ -0,0 +1,82 @@
+/*
+
+  Copyright (C) 2000, 2002 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., 59 Temple Place - Suite 330, Boston MA 02111-1307, 
+  USA.
+
+  Contact information:  Silicon Graphics, Inc., 1600 Amphitheatre Pky,
+  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"
+
+int
+dwarf_get_str(Dwarf_Debug dbg,
+	      Dwarf_Off offset,
+	      char **string,
+	      Dwarf_Signed * returned_str_len, Dwarf_Error * error)
+{
+    int res;
+
+    if (dbg == NULL) {
+	_dwarf_error(NULL, error, DW_DLE_DBG_NULL);
+	return (DW_DLV_ERROR);
+    }
+
+    if (offset == dbg->de_debug_str_size) {
+	/* Normal (if we've iterated thru the set of strings
+	   using dwarf_get_str and are at the end). */
+	return DW_DLV_NO_ENTRY;
+    }
+    if (offset > dbg->de_debug_str_size) {
+	_dwarf_error(dbg, error, DW_DLE_DEBUG_STR_OFFSET_BAD);
+	return (DW_DLV_ERROR);
+    }
+
+    if (string == NULL) {
+	_dwarf_error(dbg, error, DW_DLE_STRING_PTR_NULL);
+	return (DW_DLV_ERROR);
+    }
+
+    res =
+       _dwarf_load_section(dbg,
+                           dbg->de_debug_str_index,
+                           &dbg->de_debug_str,
+                           error);
+    if (res != DW_DLV_OK) {
+        return res;
+    }
+
+    *string = (char *) dbg->de_debug_str + offset;
+
+    *returned_str_len = (strlen(*string));
+    return DW_DLV_OK;
+}