mirror of
https://github.com/pmret/gcc-papermario.git
synced 2024-11-08 11:53:01 +01:00
103 lines
2.8 KiB
C
103 lines
2.8 KiB
C
/* Functions for generic NeXT as target machine for GNU C compiler.
|
|
Copyright (C) 1989, 90-93, 96, 1997 Free Software Foundation, Inc.
|
|
|
|
This file is part of GNU CC.
|
|
|
|
GNU CC 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 version.
|
|
|
|
GNU CC 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 GNU CC; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include "config.h"
|
|
#include <stdio.h>
|
|
#include "flags.h"
|
|
#include "tree.h"
|
|
|
|
/* Make everything that used to go in the text section really go there. */
|
|
|
|
int flag_no_mach_text_sections = 0;
|
|
|
|
#define OPT_STRCMP(opt) (!strncmp (opt, p, sizeof (opt)-1))
|
|
|
|
/* 1 if handle_pragma has been called yet. */
|
|
|
|
static int pragma_initialized;
|
|
|
|
/* Initial setting of `optimize'. */
|
|
|
|
static int initial_optimize_flag;
|
|
|
|
extern char *get_directive_line ();
|
|
|
|
/* Called from check_newline via the macro HANDLE_PRAGMA.
|
|
FINPUT is the source file input stream.
|
|
CH is the first character after `#pragma'.
|
|
The result is 1 if the pragma was handled. */
|
|
|
|
int
|
|
handle_pragma (finput, node)
|
|
FILE *finput;
|
|
tree node;
|
|
{
|
|
int retval = 0;
|
|
register char *pname;
|
|
|
|
/* Record initial setting of optimize flag, so we can restore it. */
|
|
if (!pragma_initialized)
|
|
{
|
|
pragma_initialized = 1;
|
|
initial_optimize_flag = optimize;
|
|
}
|
|
|
|
if (TREE_CODE (node) != IDENTIFIER_NODE)
|
|
return 0;
|
|
|
|
pname = IDENTIFIER_POINTER (node);
|
|
|
|
if (strcmp (pname, "CC_OPT_ON") == 0)
|
|
{
|
|
optimize = 1, obey_regdecls = 0;
|
|
warning ("optimization turned on");
|
|
retval = 1;
|
|
}
|
|
else if (strcmp (pname, "CC_OPT_OFF") == 0)
|
|
{
|
|
optimize = 0, obey_regdecls = 1;
|
|
warning ("optimization turned off");
|
|
retval = 1;
|
|
}
|
|
else if (strcmp (pname, "CC_OPT_RESTORE") == 0)
|
|
{
|
|
extern int initial_optimize_flag;
|
|
|
|
if (optimize != initial_optimize_flag)
|
|
{
|
|
if (initial_optimize_flag)
|
|
obey_regdecls = 0;
|
|
else
|
|
obey_regdecls = 1;
|
|
optimize = initial_optimize_flag;
|
|
}
|
|
warning ("optimization level restored");
|
|
retval = 1;
|
|
}
|
|
else if (strcmp (pname, "CC_WRITABLE_STRINGS") == 0)
|
|
flag_writable_strings = retval = 1;
|
|
else if (strcmp (pname, "CC_NON_WRITABLE_STRINGS") == 0)
|
|
flag_writable_strings = 0, retval = 1;
|
|
else if (strcmp (pname, "CC_NO_MACH_TEXT_SECTIONS") == 0)
|
|
flag_no_mach_text_sections = retval = 1;
|
|
|
|
return retval;
|
|
}
|