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ia32intrin.h
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1 /* ===-------- ia32intrin.h ---------------------------------------------------===
2  *
3  * Permission is hereby granted, free of charge, to any person obtaining a copy
4  * of this software and associated documentation files (the "Software"), to deal
5  * in the Software without restriction, including without limitation the rights
6  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7  * copies of the Software, and to permit persons to whom the Software is
8  * furnished to do so, subject to the following conditions:
9  *
10  * The above copyright notice and this permission notice shall be included in
11  * all copies or substantial portions of the Software.
12  *
13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19  * THE SOFTWARE.
20  *
21  *===-----------------------------------------------------------------------===
22  */
23 
24 #ifndef __X86INTRIN_H
25 #error "Never use <ia32intrin.h> directly; include <x86intrin.h> instead."
26 #endif
27 
28 #ifndef __IA32INTRIN_H
29 #define __IA32INTRIN_H
30 
31 #ifdef __x86_64__
32 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
33 __readeflags(void)
34 {
35  return __builtin_ia32_readeflags_u64();
36 }
37 
38 static __inline__ void __attribute__((__always_inline__, __nodebug__))
39 __writeeflags(unsigned long long __f)
40 {
41  __builtin_ia32_writeeflags_u64(__f);
42 }
43 
44 #else /* !__x86_64__ */
45 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
46 __readeflags(void)
47 {
48  return __builtin_ia32_readeflags_u32();
49 }
50 
51 static __inline__ void __attribute__((__always_inline__, __nodebug__))
52 __writeeflags(unsigned int __f)
53 {
54  __builtin_ia32_writeeflags_u32(__f);
55 }
56 #endif /* !__x86_64__ */
57 
58 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
59 __rdpmc(int __A) {
60  return __builtin_ia32_rdpmc(__A);
61 }
62 
63 /* __rdtscp */
64 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
65 __rdtscp(unsigned int *__A) {
66  return __builtin_ia32_rdtscp(__A);
67 }
68 
69 #define _rdtsc() __rdtsc()
70 
71 #define _rdpmc(A) __rdpmc(A)
72 
73 #endif /* __IA32INTRIN_H */
static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) __readeflags(void)
Definition: ia32intrin.h:45