Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 133 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/errors.c b/gcc-4.9/gcc/errors.c
new file mode 100644
index 000000000..be38b1f27
--- /dev/null
+++ b/gcc-4.9/gcc/errors.c
@@ -0,0 +1,133 @@
+/* Basic error reporting routines.
+   Copyright (C) 1999-2014 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+/* warning, error, and fatal.  These definitions are suitable for use
+   in the generator programs; the compiler has a more elaborate suite
+   of diagnostic printers, found in diagnostic.c.  */
+
+#ifdef GENERATOR_FILE
+#include "bconfig.h"
+#else
+#include "config.h"
+#endif
+#include "system.h"
+#include "errors.h"
+
+/* Set this to argv[0] at the beginning of main.  */
+
+const char *progname;
+
+/* Starts out 0, set to 1 if error is called.  */
+
+int have_error = 0;
+
+/* Print a warning message - output produced, but there may be problems.  */
+
+void
+warning (const char *format, ...)
+{
+  va_list ap;
+
+  va_start (ap, format);
+  fprintf (stderr, "%s: warning: ", progname);
+  vfprintf (stderr, format, ap);
+  va_end (ap);
+  fputc ('\n', stderr);
+}
+
+
+/* Print an error message - we keep going but the output is unusable.  */
+
+void
+error (const char *format, ...)
+{
+  va_list ap;
+
+  va_start (ap, format);
+  fprintf (stderr, "%s: ", progname);
+  vfprintf (stderr, format, ap);
+  va_end (ap);
+  fputc ('\n', stderr);
+
+  have_error = 1;
+}
+
+
+/* Fatal error - terminate execution immediately.  Does not return.  */
+
+void
+fatal (const char *format, ...)
+{
+  va_list ap;
+
+  va_start (ap, format);
+  fprintf (stderr, "%s: ", progname);
+  vfprintf (stderr, format, ap);
+  va_end (ap);
+  fputc ('\n', stderr);
+  exit (FATAL_EXIT_CODE);
+}
+
+/* Similar, but say we got an internal error.  */
+
+void
+internal_error (const char *format, ...)
+{
+  va_list ap;
+
+  va_start (ap, format);
+  fprintf (stderr, "%s: Internal error: ", progname);
+  vfprintf (stderr, format, ap);
+  va_end (ap);
+  fputc ('\n', stderr);
+  exit (FATAL_EXIT_CODE);
+}
+
+/* Given a partial pathname as input, return another pathname that
+   shares no directory elements with the pathname of __FILE__.  This
+   is used by fancy_abort() to print `Internal compiler error in expr.c'
+   instead of `Internal compiler error in ../../GCC/gcc/expr.c'.  This
+   version is meant to be used for the gen* programs and therefor need not
+   handle subdirectories.  */
+
+const char *
+trim_filename (const char *name)
+{
+  static const char this_file[] = __FILE__;
+  const char *p = name, *q = this_file;
+
+  /* Skip any parts the two filenames have in common.  */
+  while (*p == *q && *p != 0 && *q != 0)
+    p++, q++;
+
+  /* Now go backwards until the previous directory separator.  */
+  while (p > name && !IS_DIR_SEPARATOR (p[-1]))
+    p--;
+
+  return p;
+}
+
+/* "Fancy" abort.  Reports where in the compiler someone gave up.
+   This file is used only by build programs, so we're not as polite as
+   the version in diagnostic.c.  */
+void
+fancy_abort (const char *file, int line, const char *func)
+{
+  internal_error ("abort in %s, at %s:%d", func, trim_filename (file), line);
+}