xref: /freebsd/contrib/llvm-project/clang/lib/Headers/cetintrin.h (revision 81ad626541db97eb356e2c1d4a20eb2a26a766ab)
1 /*===---- cetintrin.h - CET intrinsic --------------------------------------===
2  *
3  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4  * See https://llvm.org/LICENSE.txt for license information.
5  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6  *
7  *===-----------------------------------------------------------------------===
8  */
9 
10 #ifndef __IMMINTRIN_H
11 #error "Never use <cetintrin.h> directly; include <immintrin.h> instead."
12 #endif
13 
14 #ifndef __CETINTRIN_H
15 #define __CETINTRIN_H
16 
17 /* Define the default attributes for the functions in this file. */
18 #define __DEFAULT_FN_ATTRS                                                     \
19   __attribute__((__always_inline__, __nodebug__, __target__("shstk")))
20 
_incsspd(int __a)21 static __inline__ void __DEFAULT_FN_ATTRS _incsspd(int __a) {
22   __builtin_ia32_incsspd((unsigned int)__a);
23 }
24 
25 #ifdef __x86_64__
_incsspq(unsigned long long __a)26 static __inline__ void __DEFAULT_FN_ATTRS _incsspq(unsigned long long __a) {
27   __builtin_ia32_incsspq(__a);
28 }
29 #endif /* __x86_64__ */
30 
31 #ifdef __x86_64__
_inc_ssp(unsigned int __a)32 static __inline__ void __DEFAULT_FN_ATTRS _inc_ssp(unsigned int __a) {
33   __builtin_ia32_incsspq(__a);
34 }
35 #else /* __x86_64__ */
_inc_ssp(unsigned int __a)36 static __inline__ void __DEFAULT_FN_ATTRS _inc_ssp(unsigned int __a) {
37   __builtin_ia32_incsspd(__a);
38 }
39 #endif /* __x86_64__ */
40 
_rdsspd(unsigned int __a)41 static __inline__ unsigned int __DEFAULT_FN_ATTRS _rdsspd(unsigned int __a) {
42   return __builtin_ia32_rdsspd(__a);
43 }
44 
_rdsspd_i32(void)45 static __inline__ unsigned int __DEFAULT_FN_ATTRS _rdsspd_i32(void) {
46 #pragma clang diagnostic push
47 #pragma clang diagnostic ignored "-Wuninitialized"
48   unsigned int t;
49   return __builtin_ia32_rdsspd(t);
50 #pragma clang diagnostic pop
51 }
52 
53 #ifdef __x86_64__
_rdsspq(unsigned long long __a)54 static __inline__ unsigned long long __DEFAULT_FN_ATTRS _rdsspq(unsigned long long __a) {
55   return __builtin_ia32_rdsspq(__a);
56 }
57 
_rdsspq_i64(void)58 static __inline__ unsigned long long __DEFAULT_FN_ATTRS _rdsspq_i64(void) {
59 #pragma clang diagnostic push
60 #pragma clang diagnostic ignored "-Wuninitialized"
61   unsigned long long t;
62   return __builtin_ia32_rdsspq(t);
63 #pragma clang diagnostic pop
64 }
65 #endif /* __x86_64__ */
66 
67 #ifdef __x86_64__
_get_ssp(void)68 static __inline__ unsigned long long __DEFAULT_FN_ATTRS _get_ssp(void) {
69   return __builtin_ia32_rdsspq(0);
70 }
71 #else /* __x86_64__ */
_get_ssp(void)72 static __inline__ unsigned int __DEFAULT_FN_ATTRS _get_ssp(void) {
73   return __builtin_ia32_rdsspd(0);
74 }
75 #endif /* __x86_64__ */
76 
_saveprevssp(void)77 static __inline__ void __DEFAULT_FN_ATTRS _saveprevssp(void) {
78   __builtin_ia32_saveprevssp();
79 }
80 
_rstorssp(void * __p)81 static __inline__ void __DEFAULT_FN_ATTRS _rstorssp(void * __p) {
82   __builtin_ia32_rstorssp(__p);
83 }
84 
_wrssd(unsigned int __a,void * __p)85 static __inline__ void __DEFAULT_FN_ATTRS _wrssd(unsigned int __a, void * __p) {
86   __builtin_ia32_wrssd(__a, __p);
87 }
88 
89 #ifdef __x86_64__
_wrssq(unsigned long long __a,void * __p)90 static __inline__ void __DEFAULT_FN_ATTRS _wrssq(unsigned long long __a, void * __p) {
91   __builtin_ia32_wrssq(__a, __p);
92 }
93 #endif /* __x86_64__ */
94 
_wrussd(unsigned int __a,void * __p)95 static __inline__ void __DEFAULT_FN_ATTRS _wrussd(unsigned int __a, void * __p) {
96   __builtin_ia32_wrussd(__a, __p);
97 }
98 
99 #ifdef __x86_64__
_wrussq(unsigned long long __a,void * __p)100 static __inline__ void __DEFAULT_FN_ATTRS _wrussq(unsigned long long __a, void * __p) {
101   __builtin_ia32_wrussq(__a, __p);
102 }
103 #endif /* __x86_64__ */
104 
_setssbsy(void)105 static __inline__ void __DEFAULT_FN_ATTRS _setssbsy(void) {
106   __builtin_ia32_setssbsy();
107 }
108 
_clrssbsy(void * __p)109 static __inline__ void __DEFAULT_FN_ATTRS _clrssbsy(void * __p) {
110   __builtin_ia32_clrssbsy(__p);
111 }
112 
113 #undef __DEFAULT_FN_ATTRS
114 
115 #endif /* __CETINTRIN_H */
116