blob: e76a8097d8b5d6ca21002716dd351168fe936fe7 (
plain)
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
|
/* Miscellaneous definitions for both glibc build and test.
Copyright (C) 2024-2025 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _INCLUDE_MISC_H
#define _INCLUDE_MISC_H
#include <config.h>
/* Add the compiler optimization to inhibit loop transformation to library
calls. This is used to avoid recursive calls in memset and memmove
default implementations in tests. */
#ifdef HAVE_CC_INHIBIT_LOOP_TO_LIBCALL
# define inhibit_loop_to_libcall \
__attribute__ ((__optimize__ ("-fno-tree-loop-distribute-patterns")))
#else
# define inhibit_loop_to_libcall
#endif
#ifdef HAVE_TEST_CC_INHIBIT_LOOP_TO_LIBCALL
# define test_cc_inhibit_loop_to_libcall \
__attribute__ ((__optimize__ ("-fno-tree-loop-distribute-patterns")))
#else
# define test_cc_inhibit_loop_to_libcall
#endif
/* Used to disable stack protection in sensitive places, like ifunc
resolvers and early static TLS init. */
#ifdef __clang__
# define cc_inhibit_stack_protector \
__attribute__((no_stack_protector))
#else
# define cc_inhibit_stack_protector \
__attribute__ ((__optimize__ ("-fno-stack-protector")))
#endif
#if IS_IN (testsuite) || IS_IN (testsuite_internal)
# ifdef HAVE_TEST_CC_NO_STACK_PROTECTOR
# define test_inhibit_stack_protector cc_inhibit_stack_protector
# define inhibit_stack_protector cc_inhibit_stack_protector
# else
# define test_inhibit_stack_protector
# define inhibit_stack_protector
# endif
#else
# ifdef HAVE_CC_NO_STACK_PROTECTOR
# define inhibit_stack_protector cc_inhibit_stack_protector
# else
# define inhibit_stack_protector
# endif
#endif
#endif
|
