Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 199 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/gcc-ar.c b/gcc-4.9/gcc/gcc-ar.c
new file mode 100644
index 000000000..aebaa92bf
--- /dev/null
+++ b/gcc-4.9/gcc/gcc-ar.c
@@ -0,0 +1,199 @@
+/* Wrapper for ar/ranlib/nm to pass the LTO plugin.
+   Copyright (C) 2011-2014 Free Software Foundation, Inc.
+   Contributed by Andi Kleen.
+
+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/>.  */
+
+#include "config.h"
+#include "system.h"
+#include "libiberty.h"
+#include "file-find.h"
+
+#ifndef PERSONALITY
+#error "Please set personality"
+#endif
+
+/* The exec prefix as derived at compile-time from --prefix.  */
+
+static const char standard_exec_prefix[] = STANDARD_EXEC_PREFIX;
+
+/* The libexec prefix as derived at compile-time from --prefix.  */
+
+static const char standard_libexec_prefix[] = STANDARD_LIBEXEC_PREFIX;
+
+/* The bindir prefix as derived at compile-time from --prefix.  */
+
+static const char standard_bin_prefix[] = STANDARD_BINDIR_PREFIX;
+
+/* A relative path to be used in finding the location of tools
+   relative to this program.  */
+
+static const char *const tooldir_base_prefix = TOOLDIR_BASE_PREFIX;
+
+/* The exec prefix as relocated from the location of this program.  */
+
+static const char *self_exec_prefix;
+
+/* The libexec prefix as relocated from the location of this program.  */
+
+static const char *self_libexec_prefix;
+
+/* The tools prefix as relocated from the location of this program.  */
+
+static const char *self_tooldir_prefix;
+
+/* The name of the machine that is being targeted.  */
+
+static const char *const target_machine = DEFAULT_TARGET_MACHINE;
+
+/* The target version.  */
+
+static const char *const target_version = DEFAULT_TARGET_VERSION;
+
+/* The collection of target specific path prefixes.  */
+
+static struct path_prefix target_path;
+
+/* The collection path prefixes.  */
+
+static struct path_prefix path;
+
+/* The directory separator.  */
+
+static const char dir_separator[] = { DIR_SEPARATOR, 0 };
+
+static void
+setup_prefixes (const char *exec_path)
+{
+  const char *self;
+
+  self = getenv ("GCC_EXEC_PREFIX");
+  if (!self)
+    self = exec_path;
+  else
+    self = concat (self, "gcc-" PERSONALITY, NULL);
+
+  /* Relocate the exec prefix.  */
+  self_exec_prefix = make_relative_prefix (self,
+					   standard_bin_prefix,
+					   standard_exec_prefix);
+  if (self_exec_prefix == NULL)
+    self_exec_prefix = standard_exec_prefix;
+
+  /* Relocate libexec prefix.  */
+  self_libexec_prefix = make_relative_prefix (self,
+					      standard_bin_prefix,
+					      standard_libexec_prefix);
+  if (self_libexec_prefix == NULL)
+    self_libexec_prefix = standard_libexec_prefix;
+
+
+  /* Build the relative path to the target-specific tool directory.  */
+  self_tooldir_prefix = concat (tooldir_base_prefix, target_machine,
+				dir_separator, NULL);
+  self_tooldir_prefix = concat (self_exec_prefix, target_machine, 
+				dir_separator, target_version, dir_separator,
+				self_tooldir_prefix, NULL);
+
+  /* Add the target-specific tool bin prefix.  */
+  prefix_from_string (concat (self_tooldir_prefix, "bin", NULL), &target_path);
+
+  /* Add the target-specific libexec prefix.  */
+  self_libexec_prefix = concat (self_libexec_prefix, target_machine, 
+				dir_separator, target_version,
+				dir_separator, NULL);
+  prefix_from_string (self_libexec_prefix, &target_path);
+
+  /* Add path as a last resort.  */
+  prefix_from_env ("PATH", &path);
+}
+
+int 
+main (int ac, char **av)
+{
+  const char *exe_name;
+  char *plugin;
+  int k, status, err;
+  const char *err_msg;
+  const char **nargv;
+  bool is_ar = !strcmp (PERSONALITY, "ar");
+  int exit_code = FATAL_EXIT_CODE;
+
+  setup_prefixes (av[0]);
+
+  /* Find the GCC LTO plugin */
+  plugin = find_a_file (&target_path, LTOPLUGINSONAME, R_OK);
+  if (!plugin)
+    {
+      fprintf (stderr, "%s: Cannot find plugin '%s'\n", av[0], LTOPLUGINSONAME);
+      exit (1);
+    }
+
+  /* Find the wrapped binutils program.  */
+  exe_name = find_a_file (&target_path, PERSONALITY, X_OK);
+  if (!exe_name)
+    {
+      const char *real_exe_name = PERSONALITY;
+#ifdef CROSS_DIRECTORY_STRUCTURE
+      real_exe_name = concat (target_machine, "-", PERSONALITY, NULL);
+#endif
+      exe_name = find_a_file (&path, real_exe_name, X_OK);
+      if (!exe_name)
+	{
+	  fprintf (stderr, "%s: Cannot find binary '%s'\n", av[0],
+		   real_exe_name);
+	  exit (1);
+	}
+    }
+
+  /* Create new command line with plugin */
+  nargv = XCNEWVEC (const char *, ac + 4);
+  nargv[0] = exe_name;
+  nargv[1] = "--plugin";
+  nargv[2] = plugin;
+  if (is_ar && av[1] && av[1][0] != '-')
+    av[1] = concat ("-", av[1], NULL);
+  for (k = 1; k < ac; k++)
+    nargv[2 + k] = av[k];
+  nargv[2 + k] = NULL;
+
+  /* Run utility */
+  /* ??? the const is misplaced in pex_one's argv? */
+  err_msg = pex_one (PEX_LAST|PEX_SEARCH, 
+		     exe_name, 
+		     CONST_CAST2 (char * const *, const char **, nargv),
+		     concat ("gcc-", exe_name, NULL),
+		     NULL,NULL,  &status, &err);
+  if (err_msg) 
+    fprintf (stderr, "Error running %s: %s\n", exe_name, err_msg);
+  else if (status)
+    {
+      if (WIFSIGNALED (status))
+	{
+	  int sig = WTERMSIG (status);
+	  fprintf (stderr, "%s terminated with signal %d [%s]%s\n",
+		   exe_name, sig, strsignal (sig),
+		   WCOREDUMP (status) ? ", core dumped" : "");
+	}
+      else if (WIFEXITED (status))
+	exit_code = WEXITSTATUS (status);
+    }
+  else
+    exit_code = SUCCESS_EXIT_CODE;
+
+  return exit_code;
+}