1 files changed, 0 insertions, 126 deletions
diff --git a/gcc-4.8.1/libgo/runtime/go-callers.c b/gcc-4.8.1/libgo/runtime/go-callers.c
deleted file mode 100644
index dd1cf7909..000000000
--- a/gcc-4.8.1/libgo/runtime/go-callers.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/* go-callers.c -- get callers for Go.
-
-   Copyright 2012 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 "config.h"
-
-#include "backtrace.h"
-
-#include "runtime.h"
-#include "array.h"
-
-/* Argument passed to callback function.  */
-
-struct callers_data
-{
-  Location *locbuf;
-  int skip;
-  int index;
-  int max;
-};
-
-/* Callback function for backtrace_full.  Just collect the locations.
-   Return zero to continue, non-zero to stop.  */
-
-static int
-callback (void *data, uintptr_t pc, const char *filename, int lineno,
-	  const char *function)
-{
-  struct callers_data *arg = (struct callers_data *) data;
-  Location *loc;
-
-  /* Skip split stack functions.  */
-  if (function != NULL)
-    {
-      const char *p;
-
-      p = function;
-      if (__builtin_strncmp (p, "___", 3) == 0)
-	++p;
-      if (__builtin_strncmp (p, "__morestack_", 12) == 0)
-	return 0;
-    }
-  else if (filename != NULL)
-    {
-      const char *p;
-
-      p = strrchr (filename, '/');
-      if (p == NULL)
-	p = filename;
-      if (__builtin_strncmp (p, "/morestack.S", 12) == 0)
-	return 0;
-    }
-
-  if (arg->skip > 0)
-    {
-      --arg->skip;
-      return 0;
-    }
-
-  loc = &arg->locbuf[arg->index];
-  loc->pc = pc;
-
-  /* The libbacktrace library says that these strings might disappear,
-     but with the current implementation they won't.  We can't easily
-     allocate memory here, so for now assume that we can save a
-     pointer to the strings.  */
-  loc->filename = runtime_gostringnocopy ((const byte *) filename);
-  loc->function = runtime_gostringnocopy ((const byte *) function);
-
-  loc->lineno = lineno;
-  ++arg->index;
-  return arg->index >= arg->max;
-}
-
-/* Error callback.  */
-
-static void
-error_callback (void *data __attribute__ ((unused)),
-		const char *msg, int errnum)
-{
-  if (errnum != 0)
-    runtime_printf ("%s errno %d\n", msg, errnum);
-  runtime_throw (msg);
-}
-
-/* Gather caller PC's.  */
-
-int32
-runtime_callers (int32 skip, Location *locbuf, int32 m)
-{
-  struct callers_data data;
-
-  data.locbuf = locbuf;
-  data.skip = skip + 1;
-  data.index = 0;
-  data.max = m;
-  backtrace_full (__go_get_backtrace_state (), 0, callback, error_callback,
-		  &data);
-  return data.index;
-}
-
-int Callers (int, struct __go_open_array)
-  __asm__ (GOSYM_PREFIX "runtime.Callers");
-
-int
-Callers (int skip, struct __go_open_array pc)
-{
-  Location *locbuf;
-  int ret;
-  int i;
-
-  locbuf = (Location *) runtime_mal (pc.__count * sizeof (Location));
-
-  /* In the Go 1 release runtime.Callers has an off-by-one error,
-     which we can not correct because it would break backward
-     compatibility.  Normally we would add 1 to SKIP here, but we
-     don't so that we are compatible.  */
-  ret = runtime_callers (skip, locbuf, pc.__count);
-
-  for (i = 0; i < ret; i++)
-    ((uintptr *) pc.__values)[i] = locbuf[i].pc;
-
-  return ret;
-}