Line data    Source code

       1             : /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
       2             : Copyright (c) 2008-2017, Petr Kobalicek
       3             : 
       4             : This software is provided 'as-is', without any express or implied
       5             : warranty. In no event will the authors be held liable for any damages
       6             : arising from the use of this software.
       7             : 
       8             : Permission is granted to anyone to use this software for any purpose,
       9             : including commercial applications, and to alter it and redistribute it
      10             : freely, subject to the following restrictions:
      11             : 
      12             : 1. The origin of this software must not be misrepresented; you must not
      13             :    claim that you wrote the original software. If you use this software
      14             :    in a product, an acknowledgment in the product documentation would be
      15             :    appreciated but is not required.
      16             : 2. Altered source versions must be plainly marked as such, and must not be
      17             :    misrepresented as being the original software.
      18             : 3. This notice may not be removed or altered from any source distribution.
      19             : +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
      20             : #ifndef __PLUMED_asmjit_inst_h
      21             : #define __PLUMED_asmjit_inst_h
      22             : #ifdef __PLUMED_HAS_ASMJIT
      23             : #pragma GCC diagnostic push
      24             : #pragma GCC diagnostic ignored "-Wpedantic"
      25             : // [AsmJit]
      26             : // Complete x86/x64 JIT and Remote Assembler for C++.
      27             : //
      28             : // [License]
      29             : // Zlib - See LICENSE.md file in the package.
      30             : 
      31             : // [Guard]
      32             : #ifndef _ASMJIT_BASE_INST_H
      33             : #define _ASMJIT_BASE_INST_H
      34             : 
      35             : // [Dependencies]
      36             : #include "./cpuinfo.h"
      37             : #include "./operand.h"
      38             : 
      39             : // [Api-Begin]
      40             : #include "./asmjit_apibegin.h"
      41             : 
      42             : namespace PLMD {
      43             : namespace asmjit {
      44             : 
      45             : //! \addtogroup asmjit_base
      46             : //! \{
      47             : 
      48             : // ============================================================================
      49             : // [asmjit::Inst]
      50             : // ============================================================================
      51             : 
      52             : //! Definitions and utilities related to instructions used by all architectures.
      53             : struct Inst {
      54             :   ASMJIT_ENUM(Id) {
      55             :     kIdNone = 0                          //!< Invalid or uninitialized instruction id.
      56             :   };
      57             : 
      58             :   //! Describes an instruction's jump type, if any.
      59             :   ASMJIT_ENUM(JumpType) {
      60             :     kJumpTypeNone        = 0,            //!< Instruction doesn't jump (regular instruction).
      61             :     kJumpTypeDirect      = 1,            //!< Instruction is a unconditional (direct) jump.
      62             :     kJumpTypeConditional = 2,            //!< Instruction is a conditional jump.
      63             :     kJumpTypeCall        = 3,            //!< Instruction is a function call.
      64             :     kJumpTypeReturn      = 4             //!< Instruction is a function return.
      65             :   };
      66             : 
      67             :   // --------------------------------------------------------------------------
      68             :   // [Detail]
      69             :   // --------------------------------------------------------------------------
      70             : 
      71             :   //! Instruction id, options, and extraReg packed in a single structure. This
      72             :   //! structure exists to simplify analysis and validation API that requires a
      73             :   //! lot of information about the instruction to be processed.
      74             :   class Detail {
      75             :   public:
      76             :     ASMJIT_INLINE Detail() noexcept
      77      593300 :       : instId(0),
      78             :         options(0),
      79      593300 :         extraReg() {}
      80             : 
      81             :     explicit ASMJIT_INLINE Detail(uint32_t instId, uint32_t options = 0) noexcept
      82             :       : instId(instId),
      83             :         options(options),
      84             :         extraReg() {}
      85             : 
      86             :     ASMJIT_INLINE Detail(uint32_t instId, uint32_t options, const RegOnly& reg) noexcept
      87           0 :       : instId(instId),
      88           0 :         options(options),
      89           0 :         extraReg(reg) {}
      90             : 
      91             :     ASMJIT_INLINE Detail(uint32_t instId, uint32_t options, const Reg& reg) noexcept
      92             :       : instId(instId),
      93             :         options(options) { extraReg.init(reg); }
      94             : 
      95             :     // ------------------------------------------------------------------------
      96             :     // [Accessors]
      97             :     // ------------------------------------------------------------------------
      98             : 
      99             :     ASMJIT_INLINE bool hasExtraReg() const noexcept { return extraReg.isValid(); }
     100             : 
     101             :     // ------------------------------------------------------------------------
     102             :     // [Members]
     103             :     // ------------------------------------------------------------------------
     104             : 
     105             :     uint32_t instId;
     106             :     uint32_t options;
     107             :     RegOnly extraReg;
     108             :   };
     109             : 
     110             :   // --------------------------------------------------------------------------
     111             :   // [API]
     112             :   // --------------------------------------------------------------------------
     113             : 
     114             : #if !defined(ASMJIT_DISABLE_VALIDATION)
     115             :   //! Validate the given instruction.
     116             :   ASMJIT_API static Error validate(uint32_t archType, const Detail& detail, const Operand_* operands, uint32_t count) noexcept;
     117             : #endif // !ASMJIT_DISABLE_VALIDATION
     118             : 
     119             : #if !defined(ASMJIT_DISABLE_EXTENSIONS)
     120             :   //! Check CPU features required to execute the given instruction.
     121             :   ASMJIT_API static Error checkFeatures(uint32_t archType, const Detail& detail, const Operand_* operands, uint32_t count, CpuFeatures& out) noexcept;
     122             : #endif // !defined(ASMJIT_DISABLE_EXTENSIONS)
     123             : };
     124             : 
     125             : //! \}
     126             : 
     127             : } // asmjit namespace
     128             : } // namespace PLMD
     129             : 
     130             : // [Api-End]
     131             : #include "./asmjit_apiend.h"
     132             : 
     133             : // [Guard]
     134             : #endif // _ASMJIT_BASE_INST_H
     135             : #pragma GCC diagnostic pop
     136             : #endif // __PLUMED_HAS_ASMJIT
     137             : #endif