1 //===-- MachineCodeEmitter.cpp - Implement the MachineCodeEmitter itf -----===//
3 // This file implements the MachineCodeEmitter interface.
5 //===----------------------------------------------------------------------===//
7 #include "llvm/CodeGen/MachineCodeEmitter.h"
8 #include "llvm/CodeGen/MachineFunction.h"
9 #include "llvm/Function.h"
13 struct DebugMachineCodeEmitter : public MachineCodeEmitter {
14 void startFunction(MachineFunction &F) {
15 std::cout << "\n**** Writing machine code for function: "
16 << F.getFunction()->getName() << "\n";
18 void finishFunction(MachineFunction &F) {
21 void startBasicBlock(MachineBasicBlock &BB) {
22 std::cout << "\n--- Basic Block: " << BB.getBasicBlock()->getName()<<"\n";
25 void startFunctionStub(Function &F, unsigned StubSize) {
26 std::cout << "\n--- Function stub for function: " << F.getName() << "\n";
28 void finishFunctionStub(Function &F) {
32 void emitByte(unsigned char B) {
33 std::cout << "0x" << std::hex << (unsigned int)B << std::dec << " ";
35 void emitPCRelativeDisp(Value *V) {
36 std::cout << "<disp %" << V->getName() << ": 0xXX 0xXX 0xXX 0xXX> ";
38 void emitGlobalAddress(GlobalValue *V, bool isPCRelative) {
39 std::cout << "<addr %" << V->getName() << ": 0xXX 0xXX 0xXX 0xXX> ";
41 void emitGlobalAddress(const std::string &Name, bool isPCRelative) {
42 std::cout << "<addr %" << Name << ": 0xXX 0xXX 0xXX 0xXX> ";
45 void emitFunctionConstantValueAddress(unsigned ConstantNum, int Offset) {
46 std::cout << "<addr const#" << ConstantNum;
47 if (Offset) std::cout << " + " << Offset;
54 /// createDebugMachineCodeEmitter - Return a dynamically allocated machine
55 /// code emitter, which just prints the opcodes and fields out the cout. This
56 /// can be used for debugging users of the MachineCodeEmitter interface.
58 MachineCodeEmitter *MachineCodeEmitter::createDebugMachineCodeEmitter() {
59 return new DebugMachineCodeEmitter();