-//===-- 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 <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 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 emitWord(unsigned W) {
- std::cout << "0x" << std::hex << W << std::dec << " ";
- }
-
- uint64_t getGlobalValueAddress(GlobalValue *V) { return 0; }
- uint64_t getGlobalValueAddress(const std::string &Name) { return 0; }
- uint64_t getConstantPoolEntryAddress(unsigned Num) { return 0; }
- uint64_t getCurrentPCValue() { return 0; }
-
- // forceCompilationOf - Force the compilation of the specified function, and
- // return its address, because we REALLY need the address now.
- //
- // FIXME: This is JIT specific!
- //
- virtual uint64_t forceCompilationOf(Function *F) {
- return 0;
- }
- };
-}
-
-
-/// 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::createDebugEmitter() {
- return new DebugMachineCodeEmitter();
-}
-
-namespace {
- class FilePrinterEmitter : public MachineCodeEmitter {
- std::ofstream actual;
- std::ostream &o;
- MachineCodeEmitter &MCE;
- unsigned counter;
- unsigned values[4];
-
- public:
- FilePrinterEmitter(MachineCodeEmitter &M, std::ostream &os)
- : o(os), MCE(M), counter(0) {
- openActual();
- }
-
- ~FilePrinterEmitter() {
- o << "\n";
- actual.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
- MCE.startFunction(F);
- }
- void finishFunction(MachineFunction &F) {
- MCE.finishFunction(F);
- }
-
- void emitConstantPool(MachineConstantPool *MCP) {
- MCE.emitConstantPool(MCP);
- }
-
- void startFunctionStub(const Function &F, unsigned StubSize) {
- MCE.startFunctionStub(F, StubSize);
- }
-
- void *finishFunctionStub(const Function &F) {
- return MCE.finishFunctionStub(F);
- }
-
- void emitByte(unsigned char B) {
- 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 emitWord(unsigned W) {
- MCE.emitWord(W);
- }
- uint64_t getGlobalValueAddress(GlobalValue *V) {
- return MCE.getGlobalValueAddress(V);
- }
- uint64_t getGlobalValueAddress(const std::string &Name) {
- return MCE.getGlobalValueAddress(Name);
- }
- uint64_t getConstantPoolEntryAddress(unsigned Num) {
- return MCE.getConstantPoolEntryAddress(Num);
- }
- uint64_t getCurrentPCValue() {
- return MCE.getCurrentPCValue();
- }
- // forceCompilationOf - Force the compilation of the specified function, and
- // return its address, because we REALLY need the address now.
- //
- // FIXME: This is JIT specific!
- //
- virtual uint64_t forceCompilationOf(Function *F) {
- return MCE.forceCompilationOf(F);
- }
- };
-}
+using namespace llvm;
-MachineCodeEmitter *
-MachineCodeEmitter::createFilePrinterEmitter(MachineCodeEmitter &MCE) {
- return new FilePrinterEmitter(MCE, std::cerr);
-}
+void MachineCodeEmitter::anchor() { }