[llvm-commits] CVS: llvm/include/llvm/CodeGen/MachineCodeEmitter.h

[Chris Lattner]

Changes in directory llvm/include/llvm/CodeGen:

MachineCodeEmitter.h updated: 1.1 -> 1.2

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Log message:

Start adding to the meat of MachineCodeEmitter


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Diffs of the changes:

Index: llvm/include/llvm/CodeGen/MachineCodeEmitter.h
diff -u llvm/include/llvm/CodeGen/MachineCodeEmitter.h:1.1 llvm/include/llvm/CodeGen/MachineCodeEmitter.h:1.2
--- llvm/include/llvm/CodeGen/MachineCodeEmitter.h:1.1	Mon Dec  2 15:21:36 2002
+++ llvm/include/llvm/CodeGen/MachineCodeEmitter.h	Mon Dec  2 15:44:13 2002
@@ -10,11 +10,29 @@
 #ifndef LLVM_CODEGEN_MACHINE_CODE_EMITTER_H
 #define LLVM_CODEGEN_MACHINE_CODE_EMITTER_H
 
-struct MachineCodeEmitter {
+class MachineFunction;
+class MachineBasicBlock;
 
+struct MachineCodeEmitter {
 
+  /// startFunction - This callback is invoked when the specified function is
+  /// about to be code generated.
+  ///
+  virtual void startFunction(MachineFunction &F) {}
   
+  /// finishFunction - This callback is invoked when the specified function has
+  /// finished code generation.
+  ///
+  virtual void finishFunction(MachineFunction &F) {}
+
+  /// startBasicBlock - This callback is invoked when a new basic block is about
+  /// to be emitted.
+  ///
+  virtual void startBasicBlock(MachineBasicBlock &BB) {}
 
+  /// emitByte - This callback is invoked when a byte needs to be written to the
+  /// output stream.
+  virtual void emitByte(unsigned char B) {}
 };
 
 #endif