1 files changed, 45 insertions, 0 deletions
diff --git a/src/pal/src/libunwind/src/x86/Gget_proc_info.c b/src/pal/src/libunwind/src/x86/Gget_proc_info.c
new file mode 100644
index 0000000000..4dc2cff366
--- /dev/null
+++ b/src/pal/src/libunwind/src/x86/Gget_proc_info.c
@@ -0,0 +1,45 @@
+/* libunwind - a platform-independent unwind library
+   Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P.
+        Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
+
+#include "unwind_i.h"
+
+int
+unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi)
+{
+  struct cursor *c = (struct cursor *) cursor;
+
+  if (dwarf_make_proc_info (&c->dwarf) < 0)
+    {
+      /* On x86, it's relatively common to be missing DWARF unwind
+         info.  We don't want to fail in that case, because the
+         frame-chain still would let us do a backtrace at least.  */
+      memset (pi, 0, sizeof (*pi));
+      pi->start_ip = c->dwarf.ip;
+      pi->end_ip = c->dwarf.ip + 1;
+      return 0;
+    }
+  *pi = c->dwarf.pi;
+  return 0;
+}