1 files changed, 0 insertions, 230 deletions
diff --git a/gcc-4.8.1/libgo/runtime/go-caller.c b/gcc-4.8.1/libgo/runtime/go-caller.c
deleted file mode 100644
index d84580fa5..000000000
--- a/gcc-4.8.1/libgo/runtime/go-caller.c
+++ /dev/null
@@ -1,230 +0,0 @@
-/* go-caller.c -- runtime.Caller and runtime.FuncForPC for Go.
-
-   Copyright 2009 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.  */
-
-/* Implement runtime.Caller.  */
-
-#include <stdint.h>
-
-#include "backtrace.h"
-
-#include "runtime.h"
-
-/* Get the function name, file name, and line number for a PC value.
-   We use the backtrace library to get this.  */
-
-/* Data structure to gather file/line information.  */
-
-struct caller
-{
-  String fn;
-  String file;
-  intgo line;
-};
-
-/* Collect file/line information for a PC value.  If this is called
-   more than once, due to inlined functions, we use the last call, as
-   that is usually the most useful one.  */
-
-static int
-callback (void *data, uintptr_t pc __attribute__ ((unused)),
-	  const char *filename, int lineno, const char *function)
-{
-  struct caller *c = (struct caller *) data;
-
-  if (function == NULL)
-    {
-      c->fn.str = NULL;
-      c->fn.len = 0;
-    }
-  else
-    {
-      byte *s;
-
-      c->fn.len = __builtin_strlen (function);
-      s = runtime_malloc (c->fn.len);
-      __builtin_memcpy (s, function, c->fn.len);
-      c->fn.str = s;
-    }
-
-  if (filename == NULL)
-    {
-      c->file.str = NULL;
-      c->file.len = 0;
-    }
-  else
-    {
-      byte *s;
-
-      c->file.len = __builtin_strlen (filename);
-      s = runtime_malloc (c->file.len);
-      __builtin_memcpy (s, filename, c->file.len);
-      c->file.str = s;
-    }
-
-  c->line = lineno;
-
-  return 0;
-}
-
-/* The error callback for backtrace_pcinfo and backtrace_syminfo.  */
-
-static void
-error_callback (void *data __attribute__ ((unused)),
-		const char *msg, int errnum)
-{
-  if (errnum == -1)
-    return;
-  if (errnum > 0)
-    runtime_printf ("%s errno %d\n", msg, errnum);
-  runtime_throw (msg);
-}
-
-/* The backtrace library state.  */
-
-static void *back_state;
-
-/* A lock to control creating back_state.  */
-
-static Lock back_state_lock;
-
-/* Fetch back_state, creating it if necessary.  */
-
-struct backtrace_state *
-__go_get_backtrace_state ()
-{
-  runtime_lock (&back_state_lock);
-  if (back_state == NULL)
-    {
-      const char *filename;
-
-      filename = (const char *) runtime_progname ();
-      back_state = backtrace_create_state (filename, 1, error_callback, NULL);
-    }
-  runtime_unlock (&back_state_lock);
-  return back_state;
-}
-
-/* Return function/file/line information for PC.  */
-
-_Bool
-__go_file_line (uintptr pc, String *fn, String *file, intgo *line)
-{
-  struct caller c;
-
-  runtime_memclr (&c, sizeof c);
-  backtrace_pcinfo (__go_get_backtrace_state (), pc, callback,
-		    error_callback, &c);
-  *fn = c.fn;
-  *file = c.file;
-  *line = c.line;
-  return c.file.len > 0;
-}
-
-/* Collect symbol information.  */
-
-static void
-syminfo_callback (void *data, uintptr_t pc __attribute__ ((unused)),
-		  const char *symname __attribute__ ((unused)),
-		  uintptr_t address)
-{
-  uintptr_t *pval = (uintptr_t *) data;
-
-  *pval = address;
-}
-
-/* Set *VAL to the value of the symbol for PC.  */
-
-static _Bool
-__go_symbol_value (uintptr_t pc, uintptr_t *val)
-{
-  *val = 0;
-  backtrace_syminfo (__go_get_backtrace_state (), pc, syminfo_callback,
-		     error_callback, val);
-  return *val != 0;
-}
-
-/* The values returned by runtime.Caller.  */
-
-struct caller_ret
-{
-  uintptr_t pc;
-  String file;
-  intgo line;
-  _Bool ok;
-};
-
-struct caller_ret Caller (int n) __asm__ (GOSYM_PREFIX "runtime.Caller");
-
-Func *FuncForPC (uintptr_t) __asm__ (GOSYM_PREFIX "runtime.FuncForPC");
-
-/* Implement runtime.Caller.  */
-
-struct caller_ret
-Caller (int skip)
-{
-  struct caller_ret ret;
-  Location loc;
-  int32 n;
-
-  runtime_memclr (&ret, sizeof ret);
-  n = runtime_callers (skip + 1, &loc, 1);
-  if (n < 1)
-    return ret;
-  ret.pc = loc.pc;
-  ret.file = loc.filename;
-  ret.line = loc.lineno;
-  ret.ok = 1;
-  return ret;
-}
-
-/* Implement runtime.FuncForPC.  */
-
-Func *
-FuncForPC (uintptr_t pc)
-{
-  Func *ret;
-  String fn;
-  String file;
-  intgo line;
-  uintptr_t val;
-
-  if (!__go_file_line (pc, &fn, &file, &line))
-    return NULL;
-
-  ret = (Func *) runtime_malloc (sizeof (*ret));
-  ret->name = fn;
-
-  if (__go_symbol_value (pc, &val))
-    ret->entry = val;
-  else
-    ret->entry = 0;
-
-  return ret;
-}
-
-/* Look up the file and line information for a PC within a
-   function.  */
-
-struct funcline_go_return
-{
-  String retfile;
-  intgo retline;
-};
-
-struct funcline_go_return
-runtime_funcline_go (Func *f, uintptr targetpc)
-  __asm__ (GOSYM_PREFIX "runtime.funcline_go");
-
-struct funcline_go_return
-runtime_funcline_go (Func *f __attribute__((unused)), uintptr targetpc)
-{
-  struct funcline_go_return ret;
-  String fn;
-
-  if (!__go_file_line (targetpc, &fn, &ret.retfile,  &ret.retline))
-    runtime_memclr (&ret, sizeof ret);
-  return ret;
-}