[GCC 4.8] Initial check-in of GCC 4.8.0

Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771

1 files changed, 90 insertions, 0 deletions

diff --git a/gcc-4.8/libgo/runtime/go-runtime-error.c b/gcc-4.8/libgo/runtime/go-runtime-error.c
new file mode 100644
index 000000000..f5ab4f919
--- /dev/null
+++ b/gcc-4.8/libgo/runtime/go-runtime-error.c
@@ -0,0 +1,90 @@
+/* go-runtime-error.c -- Go runtime error.
+
+   Copyright 2010 The Go Authors. All rights reserved.
+   Use of this source code is governed by a BSD-style
+   license that can be found in the LICENSE file.  */
+
+#include "runtime.h"
+
+/* The compiler generates calls to this function.  This enum values
+   are known to the compiler and used by compiled code.  Any change
+   here must be reflected in the compiler.  */
+
+enum
+{
+  /* Slice index out of bounds: negative or larger than the length of
+     the slice.  */
+  SLICE_INDEX_OUT_OF_BOUNDS = 0,
+
+  /* Array index out of bounds.  */
+  ARRAY_INDEX_OUT_OF_BOUNDS = 1,
+
+  /* String index out of bounds.  */
+  STRING_INDEX_OUT_OF_BOUNDS = 2,
+
+  /* Slice slice out of bounds: negative or larger than the length of
+     the slice or high bound less than low bound.  */
+  SLICE_SLICE_OUT_OF_BOUNDS = 3,
+
+  /* Array slice out of bounds.  */
+  ARRAY_SLICE_OUT_OF_BOUNDS = 4,
+
+  /* String slice out of bounds.  */
+  STRING_SLICE_OUT_OF_BOUNDS = 5,
+
+  /* Dereference of nil pointer.  This is used when there is a
+     dereference of a pointer to a very large struct or array, to
+     ensure that a gigantic array is not used a proxy to access random
+     memory locations.  */
+  NIL_DEREFERENCE = 6,
+
+  /* Slice length or capacity out of bounds in make: negative or
+     overflow or length greater than capacity.  */
+  MAKE_SLICE_OUT_OF_BOUNDS = 7,
+
+  /* Map capacity out of bounds in make: negative or overflow.  */
+  MAKE_MAP_OUT_OF_BOUNDS = 8,
+
+  /* Channel capacity out of bounds in make: negative or overflow.  */
+  MAKE_CHAN_OUT_OF_BOUNDS = 9,
+
+  /* Integer division by zero.  */
+  DIVISION_BY_ZERO = 10
+};
+
+extern void __go_runtime_error () __attribute__ ((noreturn));
+
+void
+__go_runtime_error (int32 i)
+{
+  switch (i)
+    {
+    case SLICE_INDEX_OUT_OF_BOUNDS:
+    case ARRAY_INDEX_OUT_OF_BOUNDS:
+    case STRING_INDEX_OUT_OF_BOUNDS:
+      runtime_panicstring ("index out of range");
+
+    case SLICE_SLICE_OUT_OF_BOUNDS:
+    case ARRAY_SLICE_OUT_OF_BOUNDS:
+    case STRING_SLICE_OUT_OF_BOUNDS:
+      runtime_panicstring ("slice bounds out of range");
+
+    case NIL_DEREFERENCE:
+      runtime_panicstring ("nil pointer dereference");
+
+    case MAKE_SLICE_OUT_OF_BOUNDS:
+      runtime_panicstring ("make slice len or cap out of range");
+
+    case MAKE_MAP_OUT_OF_BOUNDS:
+      runtime_panicstring ("make map len out of range");
+
+    case MAKE_CHAN_OUT_OF_BOUNDS:
+      runtime_panicstring ("make chan len out of range");
+
+    case DIVISION_BY_ZERO:
+      runtime_panicstring ("integer divide by zero");
+
+    default:
+      runtime_panicstring ("unknown runtime error");
+    }
+}