//===-- 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/MachineFunction.h"
#include "llvm/Function.h"
#include <fstream>
+#include <iostream>
+
+using namespace llvm;
namespace {
struct DebugMachineCodeEmitter : public MachineCodeEmitter {
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 startFunctionStub(unsigned StubSize) {
+ std::cout << "\n--- Function stub:\n";
}
- void *finishFunctionStub(const Function &F) {
- std::cout << "\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 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 << ") ";
+ }
- 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;
+ void addRelocation(const MachineRelocation &MR) {
+ std::cout << "<relocation> ";
}
- };
-}
+ virtual unsigned char* allocateGlobal(unsigned size, unsigned alignment)
+ { 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();
-}
+ uint64_t getConstantPoolEntryAddress(unsigned Num) { return 0; }
+ uint64_t getCurrentPCValue() { return 0; }
+ uint64_t getCurrentPCOffset() { return 0; }
+ };
-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() {
+
+ ~FilePrinterEmitter() {
o << "\n";
actual.close();
}
MCE.finishFunction(F);
}
- void startFunctionStub(const Function &F, unsigned StubSize) {
- MCE.startFunctionStub(F, StubSize);
+ void emitConstantPool(MachineConstantPool *MCP) {
+ MCE.emitConstantPool(MCP);
}
- void *finishFunctionStub(const Function &F) {
+ 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();
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);
+ void emitWordAt(unsigned W, unsigned *Ptr) {
+ MCE.emitWordAt(W, Ptr);
}
uint64_t getConstantPoolEntryAddress(unsigned Num) {
return MCE.getConstantPoolEntryAddress(Num);
}
+
+ virtual unsigned char* allocateGlobal(unsigned size, unsigned alignment)
+ { return MCE.allocateGlobal(size, alignment); }
+
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);
+ 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::createDebugEmitter() {
+ return new DebugMachineCodeEmitter();
+}
+
MachineCodeEmitter *
MachineCodeEmitter::createFilePrinterEmitter(MachineCodeEmitter &MCE) {
return new FilePrinterEmitter(MCE, std::cerr);