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C++ ResolvedMethodSymbol::getLocalMappingCursor方法代码示例

本文整理汇总了C++中tr::ResolvedMethodSymbol::getLocalMappingCursor方法的典型用法代码示例。如果您正苦于以下问题：C++ ResolvedMethodSymbol::getLocalMappingCursor方法的具体用法？C++ ResolvedMethodSymbol::getLocalMappingCursor怎么用？C++ ResolvedMethodSymbol::getLocalMappingCursor使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类tr::ResolvedMethodSymbol的用法示例。


在下文中一共展示了ResolvedMethodSymbol::getLocalMappingCursor方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: cg

void
TR::ARM64SystemLinkage::createEpilogue(TR::Instruction *cursor)
   {
   TR::CodeGenerator *codeGen = cg();
   const TR::ARM64LinkageProperties& properties = getProperties();
   TR::Machine *machine = codeGen->machine();
   TR::Node *lastNode = cursor->getNode();
   TR::ResolvedMethodSymbol *bodySymbol = comp()->getJittedMethodSymbol();
   TR::RealRegister *sp = machine->getRealRegister(properties.getStackPointerRegister());

   // restore callee-saved registers
   uint32_t offset = bodySymbol->getLocalMappingCursor() + 8; // +8 for LR
   for (int r = TR::RealRegister::x19; r <= TR::RealRegister::x28; r++)
      {
      TR::RealRegister *rr = machine->getRealRegister((TR::RealRegister::RegNum)r);
      if (rr->getHasBeenAssignedInMethod())
         {
         TR::MemoryReference *stackSlot = new (trHeapMemory()) TR::MemoryReference(sp, offset, codeGen);
         cursor = generateTrg1MemInstruction(cg(), TR::InstOpCode::ldrimmx, lastNode, rr, stackSlot, cursor);
         offset += 8;
         }
      }
   for (int r = TR::RealRegister::v8; r <= TR::RealRegister::v15; r++)
      {
      TR::RealRegister *rr = machine->getRealRegister((TR::RealRegister::RegNum)r);
      if (rr->getHasBeenAssignedInMethod())
         {
         TR::MemoryReference *stackSlot = new (trHeapMemory()) TR::MemoryReference(sp, offset, codeGen);
         cursor = generateTrg1MemInstruction(cg(), TR::InstOpCode::vldrimmd, lastNode, rr, stackSlot, cursor);
         offset += 8;
         }
      }

   // restore link register (x30)
   TR::RealRegister *lr = machine->getRealRegister(TR::RealRegister::lr);
   TR::MemoryReference *stackSlot = new (trHeapMemory()) TR::MemoryReference(sp, bodySymbol->getLocalMappingCursor(), codeGen);
   cursor = generateTrg1MemInstruction(cg(), TR::InstOpCode::ldrimmx, lastNode, lr, stackSlot, cursor);

   // remove space for preserved registers
   uint32_t frameSize = codeGen->getFrameSizeInBytes();
   if (constantIsUnsignedImm12(frameSize))
      {
      cursor = generateTrg1Src1ImmInstruction(codeGen, TR::InstOpCode::addimmx, lastNode, sp, sp, frameSize, cursor);
      }
   else
      {
      TR_ASSERT(false, "Not implemented yet.");
      }

   // return
   cursor = generateRegBranchInstruction(codeGen, TR::InstOpCode::ret, lastNode, lr, cursor);
   }
开发者ID:jduimovich，项目名称:omr，代码行数:52，代码来源:ARM64SystemLinkage.cpp

示例2: cg

void TR::ARMSystemLinkage::createEpilogue(TR::Instruction *cursor)
   {
   TR::CodeGenerator *codeGen = cg();
   const TR::ARMLinkageProperties& properties = getProperties();
   TR::Machine *machine = codeGen->machine();
   TR::Node *lastNode = cursor->getNode();
   TR::ResolvedMethodSymbol* bodySymbol = comp()->getJittedMethodSymbol();
   TR::RealRegister *stackPtr = machine->getRealRegister(properties.getStackPointerRegister());

   // restore link register (r14)
   auto *stackSlot = new (trHeapMemory()) TR::MemoryReference(stackPtr, bodySymbol->getLocalMappingCursor(), codeGen);
   cursor = generateMemSrc1Instruction(cg(), ARMOp_ldr, lastNode, stackSlot, machine->getRealRegister(TR::RealRegister::gr14), cursor);

   // restore all preserved registers
   for (int r = TR::RealRegister::gr4; r <= TR::RealRegister::gr11; ++r)
      {
      auto *stackSlot = new (trHeapMemory()) TR::MemoryReference(stackPtr, (TR::RealRegister::gr11 - r + 1)*4 + bodySymbol->getLocalMappingCursor(), codeGen);
      cursor = generateMemSrc1Instruction(cg(), ARMOp_ldr, lastNode, stackSlot, machine->getRealRegister((TR::RealRegister::RegNum)r), cursor);
      }

   // remove space for preserved registers
   auto frameSize = codeGen->getFrameSizeInBytes();
   cursor = generateTrg1Src1ImmInstruction(codeGen, ARMOp_add, lastNode, stackPtr, stackPtr, frameSize, 0, cursor);

   // return using `mov r15, r14`
   TR::RealRegister *gr14 = machine->getRealRegister(TR::RealRegister::gr14);
   TR::RealRegister *gr15 = machine->getRealRegister(TR::RealRegister::gr15);
   cursor = generateTrg1Src1Instruction(codeGen, ARMOp_mov, lastNode, gr15, gr14, cursor);
   }
开发者ID:hangshao0，项目名称:omr，代码行数:29，代码来源:ARMSystemLinkage.cpp

示例3: comp

TR::Instruction *
TR_X86SystemLinkage::savePreservedRegisters(TR::Instruction *cursor)
   {
   // For IA32, if disableShrinkWrapping, usePushForPreservedRegs will be true; otherwise false;
   //          For X64,  shrinkWraping is always on, and usePushForPreservedRegs always false;
    // TR_ASSERT(!getProperties().getUsesPushesForPreservedRegs(), "assertion failure");
   TR::ResolvedMethodSymbol *bodySymbol = comp()->getJittedMethodSymbol();
   const int32_t localSize = getProperties().getOffsetToFirstLocal() - bodySymbol->getLocalMappingCursor();
   const int32_t pointerSize = getProperties().getPointerSize();

   int32_t offsetCursor = -localSize + getProperties().getOffsetToFirstLocal() - pointerSize;

   if (_properties.getUsesPushesForPreservedRegs())
      {
      for (int32_t pindex = _properties.getMaxRegistersPreservedInPrologue()-1;
           pindex >= 0;
           pindex--)
         {
         TR::RealRegister::RegNum idx = _properties.getPreservedRegister((uint32_t)pindex);
         TR::RealRegister *reg = machine()->getX86RealRegister(idx);
         if (reg->getHasBeenAssignedInMethod() && reg->getState() != TR::RealRegister::Locked)
            {
            cursor = new (trHeapMemory()) TR::X86RegInstruction(cursor, PUSHReg, reg, cg());
            }
         }
      }
   else
      {
      TR_BitVector *p = cg()->getPreservedRegsInPrologue();
      for (int32_t pindex = getProperties().getMaxRegistersPreservedInPrologue()-1;
           pindex >= 0;
           pindex--)
         {
         TR::RealRegister::RegNum idx = _properties.getPreservedRegister((uint32_t)pindex);
         TR::RealRegister *reg = machine()->getX86RealRegister(getProperties().getPreservedRegister((uint32_t)pindex));
         if(reg->getHasBeenAssignedInMethod() && reg->getState() != TR::RealRegister::Locked)
            {
            if (!p || p->get(idx))
               {
               cursor = generateMemRegInstruction(
                  cursor,
                  movOpcodes[MemReg][fullRegisterMovType(reg)],
                  generateX86MemoryReference(machine()->getX86RealRegister(TR::RealRegister::vfp), offsetCursor, cg()),
                  reg,
                  cg()
                  );
               }
            offsetCursor -= pointerSize;
            }
         }
      }
   return cursor;
   }
开发者ID:rservant，项目名称:omr，代码行数:53，代码来源:X86SystemLinkage.cpp

示例4: comp

TR::Instruction *
TR::X86SystemLinkage::savePreservedRegisters(TR::Instruction *cursor)
   {
   // For IA32 usePushForPreservedRegs will be true;
   // For X64, usePushForPreservedRegs always false;
   TR::ResolvedMethodSymbol *bodySymbol = comp()->getJittedMethodSymbol();
   const int32_t localSize = getProperties().getOffsetToFirstLocal() - bodySymbol->getLocalMappingCursor();
   const int32_t pointerSize = getProperties().getPointerSize();

   int32_t offsetCursor = -localSize + getProperties().getOffsetToFirstLocal() - pointerSize;

   if (_properties.getUsesPushesForPreservedRegs())
      {
      for (int32_t pindex = _properties.getMaxRegistersPreservedInPrologue()-1;
           pindex >= 0;
           pindex--)
         {
         TR::RealRegister::RegNum idx = _properties.getPreservedRegister((uint32_t)pindex);
         TR::RealRegister *reg = machine()->getX86RealRegister(idx);
         if (reg->getHasBeenAssignedInMethod() && reg->getState() != TR::RealRegister::Locked)
            {
            cursor = new (trHeapMemory()) TR::X86RegInstruction(cursor, PUSHReg, reg, cg());
            }
         }
      }
   else
      {
      for (int32_t pindex = getProperties().getMaxRegistersPreservedInPrologue()-1;
           pindex >= 0;
           pindex--)
         {
         TR::RealRegister::RegNum idx = _properties.getPreservedRegister((uint32_t)pindex);
         TR::RealRegister *reg = machine()->getX86RealRegister(getProperties().getPreservedRegister((uint32_t)pindex));
         if(reg->getHasBeenAssignedInMethod() && reg->getState() != TR::RealRegister::Locked)
            {
            cursor = generateMemRegInstruction(
               cursor,
               TR::Linkage::movOpcodes(MemReg, fullRegisterMovType(reg)),
               generateX86MemoryReference(machine()->getX86RealRegister(TR::RealRegister::vfp), offsetCursor, cg()),
               reg,
               cg()
               );
            offsetCursor -= pointerSize;
            }
         }
      }
   return cursor;
   }
开发者ID:sophia-guo，项目名称:omr，代码行数:48，代码来源:X86SystemLinkage.cpp

示例5: cg

void
TR::ARM64SystemLinkage::createPrologue(TR::Instruction *cursor, List<TR::ParameterSymbol> &parmList)
   {
   TR::CodeGenerator *codeGen = cg();
   TR::Machine *machine = codeGen->machine();
   TR::ResolvedMethodSymbol *bodySymbol = comp()->getJittedMethodSymbol();
   const TR::ARM64LinkageProperties& properties = getProperties();
   TR::RealRegister *sp = machine->getRealRegister(properties.getStackPointerRegister());
   TR::Node *firstNode = comp()->getStartTree()->getNode();

   // allocate stack space
   uint32_t frameSize = (uint32_t)codeGen->getFrameSizeInBytes();
   if (constantIsUnsignedImm12(frameSize))
      {
      cursor = generateTrg1Src1ImmInstruction(codeGen, TR::InstOpCode::subimmx, firstNode, sp, sp, frameSize, cursor);
      }
   else
      {
      TR_UNIMPLEMENTED();
      }

   // save link register (x30)
   if (machine->getLinkRegisterKilled())
      {
      TR::MemoryReference *stackSlot = new (trHeapMemory()) TR::MemoryReference(sp, 0, codeGen);
      cursor = generateMemSrc1Instruction(cg(), TR::InstOpCode::strimmx, firstNode, stackSlot, machine->getRealRegister(TR::RealRegister::x30), cursor);
      }

   // spill argument registers
   int32_t nextIntArgReg = 0;
   int32_t nextFltArgReg = 0;
   ListIterator<TR::ParameterSymbol> parameterIterator(&parmList);
   for (TR::ParameterSymbol *parameter = parameterIterator.getFirst();
        parameter != NULL && (nextIntArgReg < getProperties().getNumIntArgRegs() || nextFltArgReg < getProperties().getNumFloatArgRegs());
        parameter = parameterIterator.getNext())
      {
      TR::MemoryReference *stackSlot = new (trHeapMemory()) TR::MemoryReference(sp, parameter->getParameterOffset(), codeGen);
      TR::InstOpCode::Mnemonic op;

      switch (parameter->getDataType())
         {
         case TR::Int8:
         case TR::Int16:
         case TR::Int32:
         case TR::Int64:
         case TR::Address:
            if (nextIntArgReg < getProperties().getNumIntArgRegs())
               {
               op = (parameter->getSize() == 8) ? TR::InstOpCode::strimmx : TR::InstOpCode::strimmw;
               cursor = generateMemSrc1Instruction(cg(), op, firstNode, stackSlot, machine->getRealRegister((TR::RealRegister::RegNum)(TR::RealRegister::x0 + nextIntArgReg)), cursor);
               nextIntArgReg++;
               }
            else
               {
               nextIntArgReg = getProperties().getNumIntArgRegs() + 1;
               }
            break;
         case TR::Float:
         case TR::Double:
            if (nextFltArgReg < getProperties().getNumFloatArgRegs())
               {
               op = (parameter->getSize() == 8) ? TR::InstOpCode::vstrimmd : TR::InstOpCode::vstrimms;
               cursor = generateMemSrc1Instruction(cg(), op, firstNode, stackSlot, machine->getRealRegister((TR::RealRegister::RegNum)(TR::RealRegister::v0 + nextFltArgReg)), cursor);
               nextFltArgReg++;
               }
            else
               {
               nextFltArgReg = getProperties().getNumFloatArgRegs() + 1;
               }
            break;
         case TR::Aggregate:
            TR_ASSERT(false, "Function parameters of aggregate types are not currently supported on AArch64.");
            break;
         default:
            TR_ASSERT(false, "Unknown parameter type.");
         }
      }

   // save callee-saved registers
   uint32_t offset = bodySymbol->getLocalMappingCursor();
   for (int r = TR::RealRegister::x19; r <= TR::RealRegister::x28; r++)
      {
      TR::RealRegister *rr = machine->getRealRegister((TR::RealRegister::RegNum)r);
      if (rr->getHasBeenAssignedInMethod())
         {
         TR::MemoryReference *stackSlot = new (trHeapMemory()) TR::MemoryReference(sp, offset, codeGen);
         cursor = generateMemSrc1Instruction(cg(), TR::InstOpCode::strimmx, firstNode, stackSlot, rr, cursor);
         offset += 8;
         }
      }
   for (int r = TR::RealRegister::v8; r <= TR::RealRegister::v15; r++)
      {
      TR::RealRegister *rr = machine->getRealRegister((TR::RealRegister::RegNum)r);
      if (rr->getHasBeenAssignedInMethod())
         {
         TR::MemoryReference *stackSlot = new (trHeapMemory()) TR::MemoryReference(sp, offset, codeGen);
         cursor = generateMemSrc1Instruction(cg(), TR::InstOpCode::vstrimmd, firstNode, stackSlot, rr, cursor);
         offset += 8;
         }
      }
//.........这里部分代码省略.........
开发者ID:LinHu2016，项目名称:omr，代码行数:101，代码来源:ARM64SystemLinkage.cpp


注：本文中的tr::ResolvedMethodSymbol::getLocalMappingCursor方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。