X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FMachineCodeEmitter.cpp;h=81b49784c05237f5e6a7f287c0a6626f110fc794;hb=f152fe8d487c46873bbdd4abab43200f783e978b;hp=e67b4aaa0218d775e37f3ba99a29430e4394ffd3;hpb=eae77de8690d9e53a695ae0286e289266716772e;p=oota-llvm.git

diff --git a/lib/CodeGen/MachineCodeEmitter.cpp b/lib/CodeGen/MachineCodeEmitter.cpp
index e67b4aaa021..81b49784c05 100644
--- a/lib/CodeGen/MachineCodeEmitter.cpp
+++ b/lib/CodeGen/MachineCodeEmitter.cpp
@@ -1,181 +1,14 @@
-//===-- 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 <iostream>
-#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 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 << "<disp %" << V->getName() << ": 0xXX 0xXX 0xXX 0xXX> ";
-    }
-    void emitGlobalAddress(GlobalValue *V, bool isPCRelative) {
-      std::cout << "<addr %" << V->getName() << ": 0xXX 0xXX 0xXX 0xXX> ";
-    }
-    void emitGlobalAddress(const std::string &Name, bool isPCRelative) {
-      std::cout << "<addr %" << Name << ": 0xXX 0xXX 0xXX 0xXX> ";
-    }
-
-    void emitFunctionConstantValueAddress(unsigned ConstantNum, int Offset) {
-      std::cout << "<addr const#" << ConstantNum;
-      if (Offset) std::cout << " + " << Offset;
-      std::cout << "> ";
-    }
-  };
-}
-
-
-/// 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() {
-  return new DebugMachineCodeEmitter();
-}
-
-namespace {
-  class FilePrinterMachineCodeEmitter : public MachineCodeEmitter {
-    std::ofstream f, actual;
-    std::ostream &o;
-    MachineCodeEmitter *MCE;
-    unsigned counter;
-    bool mustClose;
-    unsigned values[4];
-    
-  public:
-    FilePrinterMachineCodeEmitter() :
-      f("lli.out"), o(f), counter(0), mustClose(true)
-    {
-      if (! f.good()) {
-        std::cerr << "Cannot open 'lli.out' for writing\n";
-        abort();
-      }
-      openActual();
-    }
-
-    FilePrinterMachineCodeEmitter(MachineCodeEmitter &M, std::ostream &os) :
-      o(os), MCE(&M), counter(0)
-    {
-      FilePrinterMachineCodeEmitter();
-      mustClose = false;
-      openActual();
-    }
-
-    ~FilePrinterMachineCodeEmitter() { 
-      o << "\n";
-      actual.close();
-      if (mustClose) f.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
-      if (MCE) MCE->startFunction(F);
-    }
-    void finishFunction(MachineFunction &F) {
-      if (MCE) MCE->finishFunction(F);
-    }
-
-    void startBasicBlock(MachineBasicBlock &BB) {
-      // if any instructions were waiting for the address of this block,
-      // let them fix their addresses now
-      if (MCE) MCE->startBasicBlock(BB);
-    }
-
-    void startFunctionStub(const Function &F, unsigned StubSize) {
-      //
-      if (MCE) MCE->startFunctionStub(F, StubSize);
-    }
-
-    void *finishFunctionStub(const Function &F) {
-      if (MCE) return MCE->finishFunctionStub(F);
-      else return 0;
-    }
-    
-    void emitByte(unsigned char B) {
-      if (MCE) 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 emitPCRelativeDisp(Value *V) {
-      // put block in mapping BB -> { instr, address }. when BB is beginning to
-      // output, find instr, set disp, overwrite instr at addr using the
-      // unsigned value gotten from emitter
-    }
-
-    void emitGlobalAddress(GlobalValue *V, bool isPCRelative) {
-      if (MCE) MCE->emitGlobalAddress(V, isPCRelative);
-    }
-    void emitGlobalAddress(const std::string &Name, bool isPCRelative) {
-      if (MCE) MCE->emitGlobalAddress(Name, isPCRelative);
-    }
 
-    void emitFunctionConstantValueAddress(unsigned ConstantNum, int Offset) {
-      if (MCE) MCE->emitFunctionConstantValueAddress(ConstantNum, Offset);
-    }
-  };
-}
+using namespace llvm;
 
-MachineCodeEmitter *MachineCodeEmitter::createFilePrinterMachineCodeEmitter(MachineCodeEmitter &MCE) {
-  return new FilePrinterMachineCodeEmitter(MCE, std::cerr);
-}
+void MachineCodeEmitter::anchor() { }