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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 /* __rdtsc */
     64 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
     65 __rdtsc(void) {
     66   return __builtin_ia32_rdtsc();
     67 }
     68 
     69 /* __rdtscp */
     70 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
     71 __rdtscp(unsigned int *__A) {
     72   return __builtin_ia32_rdtscp(__A);
     73 }
     74 
     75 #define _rdtsc() __rdtsc()
     76 
     77 #define _rdpmc(A) __rdpmc(A)
     78 
     79 #endif /* __IA32INTRIN_H */
     80