| /*===---- lwpintrin.h - LWP intrinsics -------------------------------------=== |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| * |
| *===-----------------------------------------------------------------------=== |
| */ |
| |
| #ifndef __X86INTRIN_H |
| #error "Never use <lwpintrin.h> directly; include <x86intrin.h> instead." |
| #endif |
| |
| #ifndef __LWPINTRIN_H |
| #define __LWPINTRIN_H |
| |
| /* Define the default attributes for the functions in this file. */ |
| #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("lwp"))) |
| |
| /// \brief Parses the LWPCB at the specified address and enables |
| /// profiling if valid. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> LLWPCB </c> instruction. |
| /// |
| /// \param __addr |
| /// Address to the new Lightweight Profiling Control Block (LWPCB). If the |
| /// LWPCB is valid, writes the address into the LWP_CBADDR MSR and enables |
| /// Lightweight Profiling. |
| static __inline__ void __DEFAULT_FN_ATTRS |
| __llwpcb (void *__addr) |
| { |
| __builtin_ia32_llwpcb(__addr); |
| } |
| |
| /// \brief Flushes the LWP state to memory and returns the address of the LWPCB. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> SLWPCB </c> instruction. |
| /// |
| /// \return |
| /// Address to the current Lightweight Profiling Control Block (LWPCB). |
| /// If LWP is not currently enabled, returns NULL. |
| static __inline__ void* __DEFAULT_FN_ATTRS |
| __slwpcb () |
| { |
| return __builtin_ia32_slwpcb(); |
| } |
| |
| /// \brief Inserts programmed event record into the LWP event ring buffer |
| /// and advances the ring buffer pointer. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> LWPINS </c> instruction. |
| /// |
| /// \param DATA2 |
| /// A 32-bit value is zero-extended and inserted into the 64-bit Data2 field. |
| /// \param DATA1 |
| /// A 32-bit value is inserted into the 32-bit Data1 field. |
| /// \param FLAGS |
| /// A 32-bit immediate value is inserted into the 32-bit Flags field. |
| /// \returns If the ring buffer is full and LWP is running in Synchronized Mode, |
| /// the event record overwrites the last record in the buffer, the MissedEvents |
| /// counter in the LWPCB is incremented, the head pointer is not advanced, and |
| /// 1 is returned. Otherwise 0 is returned. |
| #define __lwpins32(DATA2, DATA1, FLAGS) \ |
| (__builtin_ia32_lwpins32((unsigned int) (DATA2), (unsigned int) (DATA1), \ |
| (unsigned int) (FLAGS))) |
| |
| /// \brief Decrements the LWP programmed value sample event counter. If the result is |
| /// negative, inserts an event record into the LWP event ring buffer in memory |
| /// and advances the ring buffer pointer. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> LWPVAL </c> instruction. |
| /// |
| /// \param DATA2 |
| /// A 32-bit value is zero-extended and inserted into the 64-bit Data2 field. |
| /// \param DATA1 |
| /// A 32-bit value is inserted into the 32-bit Data1 field. |
| /// \param FLAGS |
| /// A 32-bit immediate value is inserted into the 32-bit Flags field. |
| #define __lwpval32(DATA2, DATA1, FLAGS) \ |
| (__builtin_ia32_lwpval32((unsigned int) (DATA2), (unsigned int) (DATA1), \ |
| (unsigned int) (FLAGS))) |
| |
| #ifdef __x86_64__ |
| |
| /// \brief Inserts programmed event record into the LWP event ring buffer |
| /// and advances the ring buffer pointer. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> LWPINS </c> instruction. |
| /// |
| /// \param DATA2 |
| /// A 64-bit value is inserted into the 64-bit Data2 field. |
| /// \param DATA1 |
| /// A 32-bit value is inserted into the 32-bit Data1 field. |
| /// \param FLAGS |
| /// A 32-bit immediate value is inserted into the 32-bit Flags field. |
| /// \returns If the ring buffer is full and LWP is running in Synchronized Mode, |
| /// the event record overwrites the last record in the buffer, the MissedEvents |
| /// counter in the LWPCB is incremented, the head pointer is not advanced, and |
| /// 1 is returned. Otherwise 0 is returned. |
| #define __lwpins64(DATA2, DATA1, FLAGS) \ |
| (__builtin_ia32_lwpins64((unsigned long long) (DATA2), (unsigned int) (DATA1), \ |
| (unsigned int) (FLAGS))) |
| |
| /// \brief Decrements the LWP programmed value sample event counter. If the result is |
| /// negative, inserts an event record into the LWP event ring buffer in memory |
| /// and advances the ring buffer pointer. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> LWPVAL </c> instruction. |
| /// |
| /// \param DATA2 |
| /// A 64-bit value is and inserted into the 64-bit Data2 field. |
| /// \param DATA1 |
| /// A 32-bit value is inserted into the 32-bit Data1 field. |
| /// \param FLAGS |
| /// A 32-bit immediate value is inserted into the 32-bit Flags field. |
| #define __lwpval64(DATA2, DATA1, FLAGS) \ |
| (__builtin_ia32_lwpval64((unsigned long long) (DATA2), (unsigned int) (DATA1), \ |
| (unsigned int) (FLAGS))) |
| |
| #endif |
| |
| #undef __DEFAULT_FN_ATTRS |
| |
| #endif /* __LWPINTRIN_H */ |