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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5215 91177308-0d34-0410-b5e6-96231b3b80d8
54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
//===-- MachineCodeEmitter.cpp - Implement the MachineCodeEmitter itf -----===//
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//
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// This file implements the MachineCodeEmitter interface.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/MachineCodeEmitter.h"
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#include "llvm/CodeGen/MachineFunction.h"
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#include "llvm/Function.h"
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#include <iostream>
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namespace {
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struct DebugMachineCodeEmitter : public MachineCodeEmitter {
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void startFunction(MachineFunction &F) {
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std::cout << "\n**** Writing machine code for function: "
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<< F.getFunction()->getName() << "\n";
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}
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void finishFunction(MachineFunction &F) {
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std::cout << "\n";
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}
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void startBasicBlock(MachineBasicBlock &BB) {
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std::cout << "\n--- Basic Block: " << BB.getBasicBlock()->getName()<<"\n";
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}
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void emitByte(unsigned char B) {
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std::cout << "0x" << std::hex << (unsigned int)B << std::dec << " ";
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}
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void emitPCRelativeDisp(Value *V) {
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std::cout << "<disp %" << V->getName() << ": 0xXX 0xXX 0xXX 0xXX> ";
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}
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void emitGlobalAddress(GlobalValue *V, bool isPCRelative) {
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std::cout << "<addr %" << V->getName() << ": 0xXX 0xXX 0xXX 0xXX> ";
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}
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void emitGlobalAddress(const std::string &Name, bool isPCRelative) {
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std::cout << "<addr %" << Name << ": 0xXX 0xXX 0xXX 0xXX> ";
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}
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void emitFunctionConstantValueAddress(unsigned ConstantNum, int Offset) {
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std::cout << "<addr const#" << ConstantNum;
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if (Offset) std::cout << " + " << Offset;
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std::cout << "> ";
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}
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};
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}
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/// createDebugMachineCodeEmitter - Return a dynamically allocated machine
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/// code emitter, which just prints the opcodes and fields out the cout. This
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/// can be used for debugging users of the MachineCodeEmitter interface.
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///
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MachineCodeEmitter *MachineCodeEmitter::createDebugMachineCodeEmitter() {
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return new DebugMachineCodeEmitter();
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}
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