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https://github.com/c64scene-ar/llvm-6502.git
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Move the ARMAsmPrinter class defintiion into a header file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120551 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach
parent
5265f22f45
commit
baf120fbe8
@ -29,7 +29,7 @@ class formatted_raw_ostream;
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class MCCodeEmitter;
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class TargetAsmBackend;
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class MachineInstr;
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class AsmPrinter;
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class ARMAsmPrinter;
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class MCInst;
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MCCodeEmitter *createARMMCCodeEmitter(const Target &,
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@ -55,8 +55,8 @@ FunctionPass *createThumb2SizeReductionPass();
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extern Target TheARMTarget, TheThumbTarget;
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void LowerARMMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI,
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AsmPrinter &AP);
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ARMAsmPrinter &AP);
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} // end namespace llvm;
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#endif
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@ -18,6 +18,7 @@
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#include "ARMAddressingModes.h"
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#include "ARMConstantPoolValue.h"
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#include "InstPrinter/ARMInstPrinter.h"
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#include "ARMAsmPrinter.h"
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#include "ARMMachineFunctionInfo.h"
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#include "ARMTargetMachine.h"
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#include "ARMTargetObjectFile.h"
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@ -26,7 +27,6 @@
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#include "llvm/Module.h"
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#include "llvm/Type.h"
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#include "llvm/Assembly/Writer.h"
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#include "llvm/CodeGen/AsmPrinter.h"
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#include "llvm/CodeGen/MachineModuleInfoImpls.h"
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#include "llvm/CodeGen/MachineFunctionPass.h"
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#include "llvm/CodeGen/MachineJumpTableInfo.h"
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@ -54,15 +54,6 @@
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#include <cctype>
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using namespace llvm;
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namespace llvm {
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namespace ARM {
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enum DW_ISA {
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DW_ISA_ARM_thumb = 1,
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DW_ISA_ARM_arm = 2
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};
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}
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}
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namespace {
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// Per section and per symbol attributes are not supported.
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@ -144,92 +135,21 @@ namespace {
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}
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};
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class ARMAsmPrinter : public AsmPrinter {
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/// Subtarget - Keep a pointer to the ARMSubtarget around so that we can
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/// make the right decision when printing asm code for different targets.
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const ARMSubtarget *Subtarget;
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/// AFI - Keep a pointer to ARMFunctionInfo for the current
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/// MachineFunction.
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ARMFunctionInfo *AFI;
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/// MCP - Keep a pointer to constantpool entries of the current
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/// MachineFunction.
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const MachineConstantPool *MCP;
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public:
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explicit ARMAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
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: AsmPrinter(TM, Streamer), AFI(NULL), MCP(NULL) {
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Subtarget = &TM.getSubtarget<ARMSubtarget>();
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}
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virtual const char *getPassName() const {
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return "ARM Assembly Printer";
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}
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void printOperand(const MachineInstr *MI, int OpNum, raw_ostream &O,
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const char *Modifier = 0);
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virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
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unsigned AsmVariant, const char *ExtraCode,
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raw_ostream &O);
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virtual bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
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unsigned AsmVariant,
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const char *ExtraCode, raw_ostream &O);
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void EmitJumpTable(const MachineInstr *MI);
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void EmitJump2Table(const MachineInstr *MI);
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virtual void EmitInstruction(const MachineInstr *MI);
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bool runOnMachineFunction(MachineFunction &F);
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virtual void EmitConstantPool() {} // we emit constant pools customly!
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virtual void EmitFunctionEntryLabel();
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void EmitStartOfAsmFile(Module &M);
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void EmitEndOfAsmFile(Module &M);
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private:
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// Helpers for EmitStartOfAsmFile() and EmitEndOfAsmFile()
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void emitAttributes();
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// Helper for ELF .o only
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void emitARMAttributeSection();
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public:
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void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);
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MachineLocation getDebugValueLocation(const MachineInstr *MI) const {
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MachineLocation Location;
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assert(MI->getNumOperands() == 4 && "Invalid no. of machine operands!");
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// Frame address. Currently handles register +- offset only.
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if (MI->getOperand(0).isReg() && MI->getOperand(1).isImm())
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Location.set(MI->getOperand(0).getReg(), MI->getOperand(1).getImm());
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else {
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DEBUG(dbgs() << "DBG_VALUE instruction ignored! " << *MI << "\n");
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}
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return Location;
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}
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virtual unsigned getISAEncoding() {
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// ARM/Darwin adds ISA to the DWARF info for each function.
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if (!Subtarget->isTargetDarwin())
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return 0;
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return Subtarget->isThumb() ?
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llvm::ARM::DW_ISA_ARM_thumb : llvm::ARM::DW_ISA_ARM_arm;
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}
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MCSymbol *GetARMSetPICJumpTableLabel2(unsigned uid, unsigned uid2,
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const MachineBasicBlock *MBB) const;
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MCSymbol *GetARMJTIPICJumpTableLabel2(unsigned uid, unsigned uid2) const;
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MCSymbol *GetARMSJLJEHLabel(void) const;
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/// EmitMachineConstantPoolValue - Print a machine constantpool value to
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/// the .s file.
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virtual void EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV);
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};
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} // end of anonymous namespace
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MachineLocation ARMAsmPrinter::
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getDebugValueLocation(const MachineInstr *MI) const {
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MachineLocation Location;
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assert(MI->getNumOperands() == 4 && "Invalid no. of machine operands!");
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// Frame address. Currently handles register +- offset only.
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if (MI->getOperand(0).isReg() && MI->getOperand(1).isImm())
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Location.set(MI->getOperand(0).getReg(), MI->getOperand(1).getImm());
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else {
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DEBUG(dbgs() << "DBG_VALUE instruction ignored! " << *MI << "\n");
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}
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return Location;
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}
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void ARMAsmPrinter::EmitFunctionEntryLabel() {
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if (AFI->isThumbFunction()) {
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OutStreamer.EmitAssemblerFlag(MCAF_Code16);
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107
lib/Target/ARM/ARMAsmPrinter.h
Normal file
107
lib/Target/ARM/ARMAsmPrinter.h
Normal file
@ -0,0 +1,107 @@
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//===-- ARMAsmPrinter.h - Print machine code to an ARM .s file ------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// ARM Assembly printer class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef ARMASMPRINTER_H
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#define ARMASMPRINTER_H
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#include "ARM.h"
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#include "ARMTargetMachine.h"
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#include "llvm/CodeGen/AsmPrinter.h"
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#include "llvm/Support/Compiler.h"
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namespace llvm {
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namespace ARM {
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enum DW_ISA {
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DW_ISA_ARM_thumb = 1,
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DW_ISA_ARM_arm = 2
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};
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}
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class LLVM_LIBRARY_VISIBILITY ARMAsmPrinter : public AsmPrinter {
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/// Subtarget - Keep a pointer to the ARMSubtarget around so that we can
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/// make the right decision when printing asm code for different targets.
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const ARMSubtarget *Subtarget;
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/// AFI - Keep a pointer to ARMFunctionInfo for the current
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/// MachineFunction.
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ARMFunctionInfo *AFI;
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/// MCP - Keep a pointer to constantpool entries of the current
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/// MachineFunction.
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const MachineConstantPool *MCP;
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public:
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explicit ARMAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
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: AsmPrinter(TM, Streamer), AFI(NULL), MCP(NULL) {
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Subtarget = &TM.getSubtarget<ARMSubtarget>();
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}
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virtual const char *getPassName() const {
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return "ARM Assembly Printer";
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}
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void printOperand(const MachineInstr *MI, int OpNum, raw_ostream &O,
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const char *Modifier = 0);
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virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
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unsigned AsmVariant, const char *ExtraCode,
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raw_ostream &O);
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virtual bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
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unsigned AsmVariant,
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const char *ExtraCode, raw_ostream &O);
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void EmitJumpTable(const MachineInstr *MI);
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void EmitJump2Table(const MachineInstr *MI);
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virtual void EmitInstruction(const MachineInstr *MI);
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bool runOnMachineFunction(MachineFunction &F);
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virtual void EmitConstantPool() {} // we emit constant pools customly!
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virtual void EmitFunctionEntryLabel();
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void EmitStartOfAsmFile(Module &M);
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void EmitEndOfAsmFile(Module &M);
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private:
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// Helpers for EmitStartOfAsmFile() and EmitEndOfAsmFile()
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void emitAttributes();
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// Helper for ELF .o only
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void emitARMAttributeSection();
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public:
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void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);
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MachineLocation getDebugValueLocation(const MachineInstr *MI) const;
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virtual unsigned getISAEncoding() {
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// ARM/Darwin adds ISA to the DWARF info for each function.
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if (!Subtarget->isTargetDarwin())
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return 0;
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return Subtarget->isThumb() ?
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llvm::ARM::DW_ISA_ARM_thumb : llvm::ARM::DW_ISA_ARM_arm;
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}
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MCSymbol *GetARMSetPICJumpTableLabel2(unsigned uid, unsigned uid2,
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const MachineBasicBlock *MBB) const;
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MCSymbol *GetARMJTIPICJumpTableLabel2(unsigned uid, unsigned uid2) const;
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MCSymbol *GetARMSJLJEHLabel(void) const;
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/// EmitMachineConstantPoolValue - Print a machine constantpool value to
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/// the .s file.
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virtual void EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV);
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};
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} // end namespace llvm
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#endif
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@ -13,7 +13,7 @@
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//===----------------------------------------------------------------------===//
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#include "ARM.h"
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#include "llvm/CodeGen/AsmPrinter.h"
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#include "ARMAsmPrinter.h"
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#include "llvm/Constants.h"
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#include "llvm/CodeGen/MachineBasicBlock.h"
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#include "llvm/MC/MCExpr.h"
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@ -23,7 +23,7 @@ using namespace llvm;
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static MCOperand GetSymbolRef(const MachineOperand &MO, const MCSymbol *Symbol,
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AsmPrinter &Printer) {
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ARMAsmPrinter &Printer) {
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MCContext &Ctx = Printer.OutContext;
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const MCExpr *Expr;
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switch (MO.getTargetFlags()) {
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@ -51,7 +51,7 @@ static MCOperand GetSymbolRef(const MachineOperand &MO, const MCSymbol *Symbol,
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}
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void llvm::LowerARMMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI,
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AsmPrinter &AP) {
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ARMAsmPrinter &AP) {
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OutMI.setOpcode(MI->getOpcode());
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for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
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