2004 newer gcc, and sanity, would benefit from a newer libdwarf

Reviewed by: Jason King <jason.brian.king@gmail.com>
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Reviewed by: Dan McDonald <danmcd@nexenta.com>
Reviewed by: Joshua M. Clulow <josh@sysmgr.org>
Approved by: Gordon Ross <gwr@nexenta.com>

1 files changed, 110 insertions, 0 deletions

diff --git a/usr/src/tools/ctf/dwarf/common/dwarf_line2.c b/usr/src/tools/ctf/dwarf/common/dwarf_line2.c
new file mode 100644
index 0000000000..634b848167
--- /dev/null
+++ b/usr/src/tools/ctf/dwarf/common/dwarf_line2.c
@@ -0,0 +1,110 @@
+/*
+
+  Copyright (C) 2000,2002,2004,2005,2006 Silicon Graphics, Inc. All Rights Reserved.
+  Portions Copyright 2008-2010 David Anderson, 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
+
+*/
+
+/* This source file used for SGI-IRIX rqs processing.
+   Unused otherwise.
+*/
+
+
+#include "config.h"
+#include "dwarf_incl.h"
+#include <stdio.h>
+#include "dwarf_line.h"
+
+/*
+        Return DW_DLV_OK or, if error,
+        DW_DLV_ERROR.
+
+        Thru pointers, return 2 arrays and a count
+        for rqs.
+*/
+int
+_dwarf_line_address_offsets(Dwarf_Debug dbg,
+                            Dwarf_Die die,
+                            Dwarf_Addr ** addrs,
+                            Dwarf_Off ** offs,
+                            Dwarf_Unsigned * returncount,
+                            Dwarf_Error * err)
+{
+    Dwarf_Addr *laddrs;
+    Dwarf_Off *loffsets;
+    Dwarf_Signed lcount;
+    Dwarf_Signed i;
+    int res;
+    Dwarf_Line *linebuf;
+
+    res = _dwarf_internal_srclines(die, &linebuf, &lcount,      /* addrlist= 
+                                                                 */ true,
+                                   /* linelist= */ false, err);
+    if (res != DW_DLV_OK) {
+        return res;
+    }
+    laddrs = (Dwarf_Addr *)
+        _dwarf_get_alloc(dbg, DW_DLA_ADDR, lcount);
+    if (laddrs == NULL) {
+        dwarf_srclines_dealloc(dbg, linebuf, lcount);
+        _dwarf_error(dbg, err, DW_DLE_ALLOC_FAIL);
+        return (DW_DLV_ERROR);
+    }
+    loffsets = (Dwarf_Off *)
+        _dwarf_get_alloc(dbg, DW_DLA_ADDR, lcount);
+    if (loffsets == NULL) {
+        dwarf_srclines_dealloc(dbg, linebuf, lcount);
+        /* We already allocated what laddrs points at, so we'e better
+           deallocate that space since we are not going to return the
+           pointer to the caller. */
+        dwarf_dealloc(dbg, laddrs, DW_DLA_ADDR);
+        _dwarf_error(dbg, err, DW_DLE_ALLOC_FAIL);
+        return (DW_DLV_ERROR);
+    }
+
+    for (i = 0; i < lcount; i++) {
+        laddrs[i] = linebuf[i]->li_address;
+        loffsets[i] = linebuf[i]->li_addr_line.li_offset;
+    }
+    dwarf_srclines_dealloc(dbg, linebuf, lcount);
+    *returncount = lcount;
+    *offs = loffsets;
+    *addrs = laddrs;
+    return DW_DLV_OK;
+}
+
+/*
+   It's impossible for callers of dwarf_srclines() to get to and
+   free all the resources (in particular, the li_context and its
+   lc_file_entries). 
+   So this function, new July 2005, does it.  
+*/