/* params.c - Run-time parameters.
- Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008
+ Free Software Foundation, Inc.
Written by Mark Mitchell <mark@codesourcery.com>.
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) any later
+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
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, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
-
-*/
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
param_info *compiler_params;
/* The number of entries in the table. */
-
static size_t num_compiler_params;
/* Add the N PARAMS to the current list of compiler parameters. */
add_params (const param_info params[], size_t n)
{
/* Allocate enough space for the new parameters. */
- compiler_params = xrealloc (compiler_params,
- (num_compiler_params + n) * sizeof (param_info));
+ compiler_params = XRESIZEVEC (param_info, compiler_params,
+ num_compiler_params + n);
/* Copy them into the table. */
memcpy (compiler_params + num_compiler_params,
params,
size_t i;
/* Make sure nobody tries to set a parameter to an invalid value. */
- if (value == INVALID_PARAM_VAL)
- abort ();
+ gcc_assert (value != INVALID_PARAM_VAL);
/* Scan the parameter table to find a matching entry. */
for (i = 0; i < num_compiler_params; ++i)
if (strcmp (compiler_params[i].option, name) == 0)
{
- compiler_params[i].value = value;
+ if (value < compiler_params[i].min_value)
+ error ("minimum value of parameter %qs is %u",
+ compiler_params[i].option,
+ compiler_params[i].min_value);
+ else if (compiler_params[i].max_value > compiler_params[i].min_value
+ && value > compiler_params[i].max_value)
+ error ("maximum value of parameter %qs is %u",
+ compiler_params[i].option,
+ compiler_params[i].max_value);
+ else
+ {
+ compiler_params[i].value = value;
+ compiler_params[i].set = true;
+ }
return;
}
/* If we didn't find this parameter, issue an error message. */
error ("invalid parameter %qs", name);
}
+
+/* Return the current value of num_compiler_params, for the benefit of
+ plugins that use parameters as features. */
+
+size_t
+get_num_compiler_params (void)
+{
+ return num_compiler_params;
+}