//===-- 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 <fstream>
#include <iostream>
+using namespace llvm;
+
namespace {
struct DebugMachineCodeEmitter : public MachineCodeEmitter {
void startFunction(MachineFunction &F) {
void finishFunction(MachineFunction &F) {
std::cout << "\n";
}
- void startBasicBlock(MachineBasicBlock &BB) {
- std::cout << "\n--- Basic Block: " << BB.getBasicBlock()->getName()<<"\n";
+ void startFunctionStub(unsigned StubSize) {
+ std::cout << "\n--- Function stub:\n";
+ }
+ void *finishFunctionStub(const Function *F) {
+ std::cout << "\n--- End of stub for Function\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 emitWord(unsigned W) {
+ std::cout << "0x" << std::hex << W << std::dec << " ";
+ }
+ void emitWordAt(unsigned W, unsigned *Ptr) {
+ std::cout << "0x" << std::hex << W << std::dec << " (at "
+ << (void*) Ptr << ") ";
}
- void emitGlobalAddress(GlobalValue *V, bool isPCRelative) {
- std::cout << "<addr %" << V->getName() << ": 0xXX 0xXX 0xXX 0xXX> ";
+
+ void addRelocation(const MachineRelocation &MR) {
+ std::cout << "<relocation> ";
+ }
+
+ uint64_t getConstantPoolEntryAddress(unsigned Num) { return 0; }
+ uint64_t getCurrentPCValue() { return 0; }
+ uint64_t getCurrentPCOffset() { 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();
}
- void emitGlobalAddress(const std::string &Name, bool isPCRelative) {
- std::cout << "<addr %" << Name << ": 0xXX 0xXX 0xXX 0xXX> ";
+
+ ~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 emitFunctionConstantValueAddress(unsigned ConstantNum, int Offset) {
- std::cout << "<addr const#" << ConstantNum;
- if (Offset) std::cout << " + " << Offset;
- std::cout << "> ";
+ void startFunctionStub(unsigned StubSize) {
+ MCE.startFunctionStub(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);
+ }
+ void emitWordAt(unsigned W, unsigned *Ptr) {
+ MCE.emitWordAt(W, Ptr);
+ }
+ uint64_t getConstantPoolEntryAddress(unsigned Num) {
+ return MCE.getConstantPoolEntryAddress(Num);
+ }
+ uint64_t getCurrentPCValue() {
+ return MCE.getCurrentPCValue();
+ }
+ uint64_t getCurrentPCOffset() {
+ return MCE.getCurrentPCOffset();
+ }
+ void addRelocation(const MachineRelocation &MR) {
+ return MCE.addRelocation(MR);
}
};
}
-
/// 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);
+}