/* Precompiled header implementation for the C languages.
- Copyright (C) 2000, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
+ 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 2, or (at your option)
+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,
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 COPYING. If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#include "langhooks.h"
#include "hosthooks.h"
#include "target.h"
+#include "opts.h"
+#include "timevar.h"
/* This is a list of flag variables that must match exactly, and their
names for the error message. The possible values for *flag_var must
const char *flag_name;
} pch_matching[] = {
{ &flag_exceptions, "-fexceptions" },
- { &flag_unit_at_a_time, "-funit-at-a-time" }
};
enum {
get_ident (void)
{
static char result[IDENT_LENGTH];
- static const char template[IDENT_LENGTH] = "gpch.013";
+ static const char templ[] = "gpch.013";
static const char c_language_chars[] = "Co+O";
- memcpy (result, template, IDENT_LENGTH);
+ memcpy (result, templ, IDENT_LENGTH);
result[4] = c_language_chars[c_language];
return result;
FILE *f;
struct c_pch_validity v;
void *target_validity;
- static const char partial_pch[IDENT_LENGTH] = "gpcWrite";
+ static const char partial_pch[] = "gpcWrite";
#ifdef ASM_COMMENT_START
if (flag_verbose_asm)
gcc_assert (memcmp (executable_checksum, no_checksum, 16) != 0);
+ memset (&v, '\0', sizeof (v));
v.debug_info_type = write_symbols;
{
size_t i;
long written;
struct c_pch_header h;
+ timevar_push (TV_PCH_SAVE);
+
(*debug_hooks->handle_pch) (1);
cpp_write_pch_deps (parse_in, pch_outfile);
fatal_error ("can%'t seek in %s: %m", asm_file_name);
gt_pch_save (pch_outfile);
+
+ timevar_push (TV_PCH_CPP_SAVE);
cpp_write_pch_state (parse_in, pch_outfile);
+ timevar_pop (TV_PCH_CPP_SAVE);
if (fseek (pch_outfile, 0, SEEK_SET) != 0
|| fwrite (get_ident (), IDENT_LENGTH, 1, pch_outfile) != 1)
fatal_error ("can%'t write %s: %m", pch_file);
fclose (pch_outfile);
+
+ timevar_pop (TV_PCH_SAVE);
}
/* Check the PCH file called NAME, open on FD, to see if it can be
fatal_error ("can%'t read %s: %m", name);
else if (sizeread != IDENT_LENGTH + 16)
{
- cpp_error (pfile, CPP_DL_WARNING, "%s: too short to be a PCH file",
- name);
+ if (cpp_get_options (pfile)->warn_invalid_pch)
+ cpp_error (pfile, CPP_DL_WARNING, "%s: too short to be a PCH file",
+ name);
return 2;
}
FILE *f;
struct c_pch_header h;
struct save_macro_data *smd;
+ expanded_location saved_loc;
+ bool saved_trace_includes;
+
+ timevar_push (TV_PCH_RESTORE);
f = fdopen (fd, "rb");
if (f == NULL)
{
cpp_errno (pfile, CPP_DL_ERROR, "calling fdopen");
- return;
+ close (fd);
+ goto end;
}
cpp_get_callbacks (parse_in)->valid_pch = NULL;
if (fread (&h, sizeof (h), 1, f) != 1)
{
cpp_errno (pfile, CPP_DL_ERROR, "reading");
- return;
+ fclose (f);
+ goto end;
}
if (!flag_preprocess_only)
cpp_errno (pfile, CPP_DL_ERROR, "seeking");
}
+ /* Save the location and then restore it after reading the PCH. */
+ saved_loc = expand_location (line_table->highest_line);
+ saved_trace_includes = line_table->trace_includes;
+
+ timevar_push (TV_PCH_CPP_RESTORE);
cpp_prepare_state (pfile, &smd);
+ timevar_pop (TV_PCH_CPP_RESTORE);
gt_pch_restore (f);
+ timevar_push (TV_PCH_CPP_RESTORE);
if (cpp_read_state (pfile, name, f, smd) != 0)
- return;
+ {
+ fclose (f);
+ timevar_pop (TV_PCH_CPP_RESTORE);
+ goto end;
+ }
+ timevar_pop (TV_PCH_CPP_RESTORE);
+
fclose (f);
+ line_table->trace_includes = saved_trace_includes;
+ cpp_set_line_map (pfile, line_table);
+ linemap_add (line_table, LC_RENAME, 0, saved_loc.file, saved_loc.line);
+
/* Give the front end a chance to take action after a PCH file has
been loaded. */
if (lang_post_pch_load)
(*lang_post_pch_load) ();
+
+end:
+ timevar_pop (TV_PCH_RESTORE);
}
/* Indicate that no more PCH files should be read. */
if (!cpp_get_options (pfile)->preprocessed)
{
error ("pch_preprocess pragma should only be used with -fpreprocessed");
- inform ("use #include instead");
+ inform (input_location, "use #include instead");
return;
}
if (c_common_valid_pch (pfile, name, fd) != 1)
{
if (!cpp_get_options (pfile)->warn_invalid_pch)
- inform ("use -Winvalid-pch for more information");
+ inform (input_location, "use -Winvalid-pch for more information");
fatal_error ("%s: PCH file was invalid", name);
}