//===-- MachineCodeEmitter.cpp - Implement the MachineCodeEmitter itf -----===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
//
// This file implements the MachineCodeEmitter interface.
//
#include "llvm/CodeGen/MachineCodeEmitter.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/Function.h"
-#include <iostream>
+#include <fstream>
+
+namespace llvm {
namespace {
struct DebugMachineCodeEmitter : public MachineCodeEmitter {
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 << "<" << V->getName() << ": 0xXX 0xXX 0xXX 0xXX> ";
+ 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;
}
};
-}
+ 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);
+ }
+ };
+}
/// 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() {
+MachineCodeEmitter *
+MachineCodeEmitter::createDebugEmitter() {
return new DebugMachineCodeEmitter();
}
+
+MachineCodeEmitter *
+MachineCodeEmitter::createFilePrinterEmitter(MachineCodeEmitter &MCE) {
+ return new FilePrinterEmitter(MCE, std::cerr);
+}
+
+} // End llvm namespace