Pass -dumpbase and -dumpdir to gcc for LTO

gcc/

2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR lto/41564
	* common.opt: Add dumpdir.

	* gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
	isn't specified.
	(option_map): Add --dumpdir.

	* gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.

	* lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.

	* opts.c (decode_options): Try dump_dir_name first if
	dump_base_name isn't an absolute path.
	(common_handle_option): Handle OPT_dumpdir.

	* toplev.c (dump_dir_name): New.
	(print_switch_values): Also ignore -dumpdir.

	* toplev.h (dump_dir_name): New.

gcc/lto/

2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR lto/41564
	* lto.c (DUMPBASE_SUFFIX): New.
	(lto_execute_ltrans): Append a sequence number to -dumpbase
	for LTRANS.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@155591 138bc75d-0d04-0410-961f-82ee72b054a4

10 files changed, 130 insertions, 30 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cb0ecfa8fea..414dc2c56b4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,25 @@
+2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR lto/41564
+	* common.opt: Add dumpdir.
+
+	* gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
+	isn't specified.
+	(option_map): Add --dumpdir.
+
+	* gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
+
+	* lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
+
+	* opts.c (decode_options): Try dump_dir_name first if
+	dump_base_name isn't an absolute path.
+	(common_handle_option): Handle OPT_dumpdir.
+
+	* toplev.c (dump_dir_name): New.
+	(print_switch_values): Also ignore -dumpdir.
+
+	* toplev.h (dump_dir_name): New.
+
 2010-01-03  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/42589
diff --git a/gcc/common.opt b/gcc/common.opt
index 77967f89dfd..ac942ee6a1f 100644
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -1,6 +1,6 @@
 ; Options for the language- and target-independent parts of the compiler.
 
-; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
+; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
 ; Free Software Foundation, Inc.
 ;
 ; This file is part of GCC.
@@ -253,6 +253,10 @@ dumpbase
 Common Separate
 -dumpbase <file>	Set the file basename to be used for dumps
 
+dumpdir
+Common Separate
+-dumpdir <dir>		Set the directory name to be used for dumps
+
 ; The version of the C++ ABI in use.  The following values are allowed:
 ;
 ; 0: The version of the ABI believed most conformant with the C++ ABI
diff --git a/gcc/gcc.c b/gcc/gcc.c
index ad69de7bd22..068671dd725 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -1,6 +1,7 @@
 /* Compiler driver program that can handle many languages.
    Copyright (C) 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
+   2010
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -891,7 +892,7 @@ static const char *cpp_debug_options = "%{d*}";
 /* NB: This is shared amongst all front-ends, except for Ada.  */
 static const char *cc1_options =
 "%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
- %1 %{!Q:-quiet} -dumpbase %B %{d*} %{m*} %{a*}\
+ %1 %{!Q:-quiet} %{!dumpbase:-dumpbase %B} %{d*} %{m*} %{a*}\
  %{fcompare-debug-second:%:compare-debug-auxbase-opt(%b)} \
  %{!fcompare-debug-second:%{c|S:%{o*:-auxbase-strip %*}%{!o*:-auxbase %b}}}%{!c:%{!S:-auxbase %b}} \
  %{g*} %{O*} %{W*&pedantic*} %{w} %{std*&ansi&trigraphs}\
@@ -1188,6 +1189,7 @@ static const struct option_map option_map[] =
    {"--dependencies", "-M", 0},
    {"--dump", "-d", "a"},
    {"--dumpbase", "-dumpbase", "a"},
+   {"--dumpdir", "-dumpdir", "a"},
    {"--encoding", "-fencoding=", "aj"},
    {"--entry", "-e", 0},
    {"--extra-warnings", "-W", 0},
diff --git a/gcc/gcc.h b/gcc/gcc.h
index 560c7f91488..e62b11eafc5 100644
--- a/gcc/gcc.h
+++ b/gcc/gcc.h
@@ -1,5 +1,5 @@
 /* Header file for modules that link with gcc.c
-   Copyright (C) 1999, 2000, 2001, 2003, 2004, 2007, 2008
+   Copyright (C) 1999, 2000, 2001, 2003, 2004, 2007, 2008, 2010
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -52,7 +52,8 @@ struct spec_function
   || !strcmp (STR, "isysroot") \
   || !strcmp (STR, "-param") || !strcmp (STR, "specs") \
   || !strcmp (STR, "MF") || !strcmp (STR, "MT") || !strcmp (STR, "MQ") \
-  || !strcmp (STR, "fintrinsic-modules-path") || !strcmp (STR, "dumpbase"))
+  || !strcmp (STR, "fintrinsic-modules-path") \
+  || !strcmp (STR, "dumpbase") || !strcmp (STR, "dumpdir"))
 
 
 /* These are exported by gcc.c.  */
diff --git a/gcc/lto-wrapper.c b/gcc/lto-wrapper.c
index 5f24f59564d..ec0a96ea2b6 100644
--- a/gcc/lto-wrapper.c
+++ b/gcc/lto-wrapper.c
@@ -1,5 +1,5 @@
 /* Wrapper to call lto.  Used by collect2 and the linker plugin.
-   Copyright (C) 2009 Free Software Foundation, Inc.
+   Copyright (C) 2009, 2010 Free Software Foundation, Inc.
 
    Factored out of collect2 by Rafael Espindola <espindola@google.com>
 
@@ -258,7 +258,7 @@ run_gcc (unsigned argc, char *argv[])
   const char **argv_ptr;
   char *list_option_full = NULL;
 
-  new_argc += 8;
+  new_argc += 12;
   new_argv = (const char **) xcalloc (sizeof (char *), new_argc);
 
   argv_ptr = new_argv;
@@ -316,7 +316,31 @@ run_gcc (unsigned argc, char *argv[])
 	     temporary file for the LTO output.  The `-o' option
 	     will be interpreted by the linker.  */
 	  if (s[2] == '\0')
-	    i++;
+	    {
+	      char *output_dir, *base, *name;
+
+	      i++;
+	      output_dir = xstrdup (argv[i]);
+	      base = output_dir;
+	      for (name = base; *name; name++)
+		if (IS_DIR_SEPARATOR (*name))
+		  base = name + 1;
+	      *base = '\0';
+
+	      *argv_ptr++ = "-dumpbase";
+	      if (*output_dir == '\0')
+		{
+		  static char current_dir[] =
+		    { '.', DIR_SEPARATOR, '\0' };
+		  output_dir = current_dir;
+		  *argv_ptr++ = argv[i];
+		}
+	      else
+		*argv_ptr++ = &argv[i][base - output_dir];
+
+	      *argv_ptr++ = "-dumpdir";
+	      *argv_ptr++ = output_dir;
+	    }
 	}
       else
 	/* Pass the option or argument to LTO.  */
diff --git a/gcc/lto/ChangeLog b/gcc/lto/ChangeLog
index 2aa86db9d07..92e595fac67 100644
--- a/gcc/lto/ChangeLog
+++ b/gcc/lto/ChangeLog
@@ -1,3 +1,10 @@
+2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR lto/41564
+	* lto.c (DUMPBASE_SUFFIX): New.
+	(lto_execute_ltrans): Append a sequence number to -dumpbase
+	for LTRANS.
+
 2010-01-02  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR lto/42580
diff --git a/gcc/lto/lto.c b/gcc/lto/lto.c
index e62bc02fe48..1608e56e158 100644
--- a/gcc/lto/lto.c
+++ b/gcc/lto/lto.c
@@ -1,5 +1,5 @@
 /* Top-level LTO routines.
-   Copyright 2009 Free Software Foundation, Inc.
+   Copyright 2009, 2010 Free Software Foundation, Inc.
    Contributed by CodeSourcery, Inc.
 
 This file is part of GCC.
@@ -1069,6 +1069,8 @@ lto_wpa_write_files (void)
   return output_files;
 }
 
+/* Template of LTRANS dumpbase suffix.  */
+#define DUMPBASE_SUFFIX	".ltrans18446744073709551615"
 
 /* Perform local transformations (LTRANS) on the files in the NULL-terminated
    FILES array.  These should have been written previously by
@@ -1088,6 +1090,8 @@ lto_execute_ltrans (char *const *files)
   int err;
   int status;
   FILE *ltrans_output_list_stream = NULL;
+  bool seen_dumpbase = false;
+  char *dumpbase_suffix = NULL;
 
   timevar_push (TV_WHOPR_WPA_LTRANS_EXEC);
 
@@ -1126,13 +1130,26 @@ lto_execute_ltrans (char *const *files)
 	  ++j;
 	obstack_init (&env_obstack);
 	obstack_grow (&env_obstack, &collect_gcc_options[i], j - i);
-	obstack_1grow (&env_obstack, 0);
+	if (seen_dumpbase)
+	  obstack_grow (&env_obstack, DUMPBASE_SUFFIX,
+			sizeof (DUMPBASE_SUFFIX));
+	else
+	  obstack_1grow (&env_obstack, 0);
 	option = XOBFINISH (&env_obstack, char *);
+	if (seen_dumpbase)
+	  {
+	    dumpbase_suffix = option + 7 + j - i;
+	    seen_dumpbase = false;
+	  }
 
 	/* LTRANS does not need -fwpa nor -fltrans-*.  */
 	if (strncmp (option, "-fwpa", 5) != 0
 	    && strncmp (option, "-fltrans-", 9) != 0)
-	  *argv_ptr++ = option;
+	  {
+	    if (strncmp (option, "-dumpbase", 9) == 0)
+	      seen_dumpbase = true;
+	    *argv_ptr++ = option;
+	  }
       }
   *argv_ptr++ = "-fltrans";
 
@@ -1190,6 +1207,11 @@ lto_execute_ltrans (char *const *files)
 	  argv_ptr[2] = files[i];
 	  argv_ptr[3] = NULL;
 
+	  /* Append a sequence number to -dumpbase for LTRANS.  */
+	  if (dumpbase_suffix)
+	    snprintf (dumpbase_suffix, sizeof (DUMPBASE_SUFFIX) - 7,
+		      "%lu", (unsigned long) i);
+
 	  /* Execute the driver.  */
 	  pex = pex_init (0, "lto1", NULL);
 	  if (pex == NULL)
diff --git a/gcc/opts.c b/gcc/opts.c
index 540752769bf..4ba0d7fd0bf 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -1,5 +1,5 @@
 /* Command line option handling.
-   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
    Free Software Foundation, Inc.
    Contributed by Neil Booth.
 
@@ -971,24 +971,31 @@ decode_options (unsigned int argc, const char **argv)
 
   handle_options (argc, argv, lang_mask);
 
-  /* Make DUMP_BASE_NAME relative to the AUX_BASE_NAME directory,
-     typically the directory to contain the object file.  */
-  if (aux_base_name && ! IS_ABSOLUTE_PATH (dump_base_name))
+  if (dump_base_name && ! IS_ABSOLUTE_PATH (dump_base_name))
     {
-      const char *aux_base;
-
-      base_of_path (aux_base_name, &aux_base);
-      if (aux_base_name != aux_base)
+      /* First try to make DUMP_BASE_NAME relative to the DUMP_DIR_NAME
+	 directory.  Then try to make DUMP_BASE_NAME relative to the
+	 AUX_BASE_NAME directory, typically the directory to contain
+	 the object file.  */
+      if (dump_dir_name)
+	dump_base_name = concat (dump_dir_name, dump_base_name, NULL);
+      else if (aux_base_name)
 	{
-	  int dir_len = aux_base - aux_base_name;
-	  char *new_dump_base_name =
-	    XNEWVEC (char, strlen(dump_base_name) + dir_len + 1);
-
-	  /* Copy directory component from AUX_BASE_NAME.  */
-	  memcpy (new_dump_base_name, aux_base_name, dir_len);
-	  /* Append existing DUMP_BASE_NAME.  */
-	  strcpy (new_dump_base_name + dir_len, dump_base_name);
-	  dump_base_name = new_dump_base_name;
+	  const char *aux_base;
+
+	  base_of_path (aux_base_name, &aux_base);
+	  if (aux_base_name != aux_base)
+	    {
+	      int dir_len = aux_base - aux_base_name;
+	      char *new_dump_base_name =
+		XNEWVEC (char, strlen(dump_base_name) + dir_len + 1);
+
+	      /* Copy directory component from AUX_BASE_NAME.  */
+	      memcpy (new_dump_base_name, aux_base_name, dir_len);
+	      /* Append existing DUMP_BASE_NAME.  */
+	      strcpy (new_dump_base_name + dir_len, dump_base_name);
+	      dump_base_name = new_dump_base_name;
+	    }
 	}
     }
 
@@ -1701,6 +1708,10 @@ common_handle_option (size_t scode, const char *arg, int value,
       dump_base_name = arg;
       break;
 
+    case OPT_dumpdir:
+      dump_dir_name = arg;
+      break;
+
     case OPT_falign_functions_:
       align_functions = value;
       break;
diff --git a/gcc/toplev.c b/gcc/toplev.c
index e916c8de88c..224b28892d2 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -152,6 +152,10 @@ struct line_maps *line_table;
 
 const char *dump_base_name;
 
+/* Directory used for dump output files.  */
+
+const char *dump_dir_name;
+
 /* Name to use as a base for auxiliary output files.  */
 
 const char *aux_base_name;
@@ -1388,6 +1392,7 @@ print_switch_values (print_switch_fn_type print_fn)
 	  /* Ignore these.  */
 	  if (strcmp (*p, "-o") == 0
 	      || strcmp (*p, "-dumpbase") == 0
+	      || strcmp (*p, "-dumpdir") == 0
 	      || strcmp (*p, "-auxbase") == 0)
 	    {
 	      if (p[1] != NULL)
diff --git a/gcc/toplev.h b/gcc/toplev.h
index 53f981c7141..983022eff69 100644
--- a/gcc/toplev.h
+++ b/gcc/toplev.h
@@ -1,6 +1,7 @@
 /* toplev.h - Various declarations for functions found in toplev.c
-   Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008,
-   2009 Free Software Foundation, Inc.
+   Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007,
+   2008, 2009, 2010
+   Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -116,6 +117,7 @@ extern unsigned local_tick;
 
 extern const char *progname;
 extern const char *dump_base_name;
+extern const char *dump_dir_name;
 extern const char *aux_base_name;
 extern const char *aux_info_file_name;
 extern const char *profile_data_prefix;