aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.3.1/gcc/params.c
diff options
context:
space:
mode:
authorJing Yu <jingyu@google.com>2009-11-05 15:11:04 -0800
committerJing Yu <jingyu@google.com>2009-11-05 15:11:04 -0800
commitdf62c1c110e8532b995b23540b7e3695729c0779 (patch)
treedbbd4cbdb50ac38011e058a2533ee4c3168b0205 /gcc-4.3.1/gcc/params.c
parent8d401cf711539af5a2f78d12447341d774892618 (diff)
downloadtoolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.tar.gz
toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.tar.bz2
toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.zip
Check in gcc sources for prebuilt toolchains in Eclair.
Diffstat (limited to 'gcc-4.3.1/gcc/params.c')
-rw-r--r--gcc-4.3.1/gcc/params.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/gcc-4.3.1/gcc/params.c b/gcc-4.3.1/gcc/params.c
new file mode 100644
index 000000000..569ae47f0
--- /dev/null
+++ b/gcc-4.3.1/gcc/params.c
@@ -0,0 +1,86 @@
+/* params.c - Run-time parameters.
+ Copyright (C) 2001, 2003, 2004, 2005, 2007 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 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 "coretypes.h"
+#include "tm.h"
+#include "params.h"
+#include "toplev.h"
+
+/* An array containing the compiler parameters and their current
+ values. */
+
+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. */
+
+void
+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));
+ /* Copy them into the table. */
+ memcpy (compiler_params + num_compiler_params,
+ params,
+ n * sizeof (param_info));
+ /* Keep track of how many parameters we have. */
+ num_compiler_params += n;
+}
+
+/* Set the VALUE associated with the parameter given by NAME. */
+
+void
+set_param_value (const char *name, int value)
+{
+ size_t i;
+
+ /* Make sure nobody tries to set a parameter to an invalid value. */
+ 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)
+ {
+ 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);
+}