-//===-- MachineCodeEmitter.cpp - Implement the MachineCodeEmitter itf -----===//
+//===-- llvm/CodeGen/MachineCodeEmitter.cpp - Code emission -----*- C++ -*-===//
//
-// This file implements the MachineCodeEmitter interface.
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/MachineCodeEmitter.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/Function.h"
-#include <iostream>
-#include <fstream>
-
-namespace {
- struct DebugMachineCodeEmitter : public MachineCodeEmitter {
- void startFunction(MachineFunction &F) {
- std::cout << "\n**** Writing machine code for function: "
- << F.getFunction()->getName() << "\n";
- }
- void finishFunction(MachineFunction &F) {
- std::cout << "\n";
- }
- void startBasicBlock(MachineBasicBlock &BB) {
- std::cout << "\n--- Basic Block: " << BB.getBasicBlock()->getName()<<"\n";
- }
-
- void startFunctionStub(const Function &F, unsigned StubSize) {
- std::cout << "\n--- Function stub for function: " << F.getName() << "\n";
- }
- void *finishFunctionStub(const Function &F) {
- std::cout << "\n";
- return 0;
- }
-
- void emitByte(unsigned char B) {
- std::cout << "0x" << std::hex << (unsigned int)B << std::dec << " ";
- }
- void emitPCRelativeDisp(Value *V) {
- std::cout << "<disp %" << V->getName() << ": 0xXX 0xXX 0xXX 0xXX> ";
- }
- void emitGlobalAddress(GlobalValue *V, bool isPCRelative) {
- std::cout << "<addr %" << V->getName() << ": 0xXX 0xXX 0xXX 0xXX> ";
- }
- void emitGlobalAddress(const std::string &Name, bool isPCRelative) {
- std::cout << "<addr %" << Name << ": 0xXX 0xXX 0xXX 0xXX> ";
- }
-
- void emitFunctionConstantValueAddress(unsigned ConstantNum, int Offset) {
- std::cout << "<addr const#" << ConstantNum;
- if (Offset) std::cout << " + " << Offset;
- std::cout << "> ";
- }
- };
-}
-
-
-/// createDebugMachineCodeEmitter - Return a dynamically allocated machine
-/// code emitter, which just prints the opcodes and fields out the cout. This
-/// can be used for debugging users of the MachineCodeEmitter interface.
-///
-MachineCodeEmitter *MachineCodeEmitter::createDebugMachineCodeEmitter() {
- return new DebugMachineCodeEmitter();
-}
-
-namespace {
- class FilePrinterMachineCodeEmitter : public MachineCodeEmitter {
- std::ofstream f, actual;
- std::ostream &o;
- MachineCodeEmitter *MCE;
- unsigned counter;
- bool mustClose;
- unsigned values[4];
-
- public:
- FilePrinterMachineCodeEmitter() :
- f("lli.out"), o(f), counter(0), mustClose(true)
- {
- if (! f.good()) {
- std::cerr << "Cannot open 'lli.out' for writing\n";
- abort();
- }
- openActual();
- }
-
- FilePrinterMachineCodeEmitter(MachineCodeEmitter &M, std::ostream &os) :
- o(os), MCE(&M), counter(0)
- {
- FilePrinterMachineCodeEmitter();
- mustClose = false;
- openActual();
- }
-
- ~FilePrinterMachineCodeEmitter() {
- o << "\n";
- actual.close();
- if (mustClose) f.close();
- }
-
- void openActual() {
- actual.open("lli.actual.obj");
- if (! actual.good()) {
- std::cerr << "Cannot open 'lli.actual.obj' for writing\n";
- abort();
- }
- }
-
- void startFunction(MachineFunction &F) {
- // resolve any outstanding calls
- if (MCE) MCE->startFunction(F);
- }
- void finishFunction(MachineFunction &F) {
- if (MCE) MCE->finishFunction(F);
- }
-
- void startBasicBlock(MachineBasicBlock &BB) {
- // if any instructions were waiting for the address of this block,
- // let them fix their addresses now
- if (MCE) MCE->startBasicBlock(BB);
- }
-
- void startFunctionStub(const Function &F, unsigned StubSize) {
- //
- if (MCE) MCE->startFunctionStub(F, StubSize);
- }
-
- void *finishFunctionStub(const Function &F) {
- if (MCE) return MCE->finishFunctionStub(F);
- else return 0;
- }
-
- void emitByte(unsigned char B) {
- if (MCE) MCE->emitByte(B);
- actual << B; actual.flush();
-
- values[counter] = (unsigned int) B;
- if (++counter % 4 == 0 && counter != 0) {
- o << std::hex;
- for (unsigned i=0; i<4; ++i) {
- if (values[i] < 16) o << "0";
- o << values[i] << " ";
- }
-
- o << std::dec << "\t";
- for (unsigned i=0; i<4; ++i) {
- for (int j=7; j>=0; --j) {
- o << ((values[i] >> j) & 1);
- }
- o << " ";
- }
-
- o << "\n";
-
- unsigned instr = 0;
- for (unsigned i=0; i<4; ++i)
- instr |= values[i] << (i*8);
-
- o << "--- * --- * --- * --- * ---\n";
- counter %= 4;
- }
- }
- void emitPCRelativeDisp(Value *V) {
- if (MCE) MCE->emitPCRelativeDisp(V);
- }
-
- void emitGlobalAddress(GlobalValue *V, bool isPCRelative) {
- if (MCE) MCE->emitGlobalAddress(V, isPCRelative);
- }
- void emitGlobalAddress(const std::string &Name, bool isPCRelative) {
- if (MCE) MCE->emitGlobalAddress(Name, isPCRelative);
- }
-
- void emitFunctionConstantValueAddress(unsigned ConstantNum, int Offset) {
- if (MCE) MCE->emitFunctionConstantValueAddress(ConstantNum, Offset);
- }
-
- virtual void saveBBreference(BasicBlock* BB, MachineInstr &MI) {
- if (MCE) MCE->saveBBreference(BB, MI);
- }
- };
-}
+using namespace llvm;
-MachineCodeEmitter *MachineCodeEmitter::createFilePrinterMachineCodeEmitter
-(MachineCodeEmitter &MCE) {
- return new FilePrinterMachineCodeEmitter(MCE, std::cerr);
-}
+void MachineCodeEmitter::anchor() { }