X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FMachineCodeEmitter.cpp;h=81b49784c05237f5e6a7f287c0a6626f110fc794;hb=a63b6e28400aecd8ab1f8fc69bfe85f6b379142c;hp=248b06a999bc5c52692bda76c3a00648f8a41fce;hpb=cf88d324a892c8f93ccdac55788afb48b17c728b;p=oota-llvm.git diff --git a/lib/CodeGen/MachineCodeEmitter.cpp b/lib/CodeGen/MachineCodeEmitter.cpp index 248b06a999b..81b49784c05 100644 --- a/lib/CodeGen/MachineCodeEmitter.cpp +++ b/lib/CodeGen/MachineCodeEmitter.cpp @@ -1,169 +1,14 @@ -//===-- MachineCodeEmitter.cpp - Implement the MachineCodeEmitter itf -----===// -// -// The LLVM Compiler Infrastructure +//===-- llvm/CodeGen/MachineCodeEmitter.cpp - Code emission -----*- C++ -*-===// // -// 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. -// -//===----------------------------------------------------------------------===// +// The LLVM Compiler Infrastructure // -// This file implements the MachineCodeEmitter interface. +// 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 -#include using namespace llvm; -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(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 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 addRelocation(const MachineRelocation &MR) { - std::cout << " "; - } - - 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(); - } - - ~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(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::createDebugEmitter() { - return new DebugMachineCodeEmitter(); -} - -MachineCodeEmitter * -MachineCodeEmitter::createFilePrinterEmitter(MachineCodeEmitter &MCE) { - return new FilePrinterEmitter(MCE, std::cerr); -} +void MachineCodeEmitter::anchor() { }