1 files changed, 51 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/mi/strerror.c b/src/third_party/unwind/dist/src/mi/strerror.c
new file mode 100644
index 00000000000..2cec73d1db9
--- /dev/null
+++ b/src/third_party/unwind/dist/src/mi/strerror.c
@@ -0,0 +1,51 @@
+/* libunwind - a platform-independent unwind library
+   Copyright (C) 2004 BEA Systems
+        Contributed by Thomas Hallgren <thallgre@bea.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 "libunwind_i.h"
+
+/* Returns the text corresponding to the given err_code or the
+   text "invalid error code" if the err_code is invalid.  */
+const char *
+unw_strerror (int err_code)
+{
+  const char *cp;
+  unw_error_t error = (unw_error_t)-err_code;
+  switch (error)
+    {
+    case UNW_ESUCCESS:     cp = "no error"; break;
+    case UNW_EUNSPEC:      cp = "unspecified (general) error"; break;
+    case UNW_ENOMEM:       cp = "out of memory"; break;
+    case UNW_EBADREG:      cp = "bad register number"; break;
+    case UNW_EREADONLYREG: cp = "attempt to write read-only register"; break;
+    case UNW_ESTOPUNWIND:  cp = "stop unwinding"; break;
+    case UNW_EINVALIDIP:   cp = "invalid IP"; break;
+    case UNW_EBADFRAME:    cp = "bad frame"; break;
+    case UNW_EINVAL:       cp = "unsupported operation or bad value"; break;
+    case UNW_EBADVERSION:  cp = "unwind info has unsupported version"; break;
+    case UNW_ENOINFO:      cp = "no unwind info found"; break;
+    default:               cp = "invalid error code";
+    }
+  return cp;
+}