1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/* Functions for generic NeXT as target machine for GNU C compiler.
Copyright (C) 1989, 1990, 1991, 1992, 1993 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. */
/* 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. */
void
handle_pragma (finput, get_line_function)
FILE *finput;
char *(*get_line_function) ();
{
register char *p = (*get_line_function) (finput);
/* Record initial setting of optimize flag, so we can restore it. */
if (!pragma_initialized)
{
pragma_initialized = 1;
initial_optimize_flag = optimize;
}
if (OPT_STRCMP ("CC_OPT_ON"))
{
optimize = 1, obey_regdecls = 0;
warning ("optimization turned on");
}
else if (OPT_STRCMP ("CC_OPT_OFF"))
{
optimize = 0, obey_regdecls = 1;
warning ("optimization turned off");
}
else if (OPT_STRCMP ("CC_OPT_RESTORE"))
{
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");
}
else if (OPT_STRCMP ("CC_WRITABLE_STRINGS"))
flag_writable_strings = 1;
else if (OPT_STRCMP ("CC_NON_WRITABLE_STRINGS"))
flag_writable_strings = 0;
else if (OPT_STRCMP ("CC_NO_MACH_TEXT_SECTIONS"))
flag_no_mach_text_sections = 1;
}
|
