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Add the Object Code Emitter class. Original patch by Aaron Gray, I did some

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cleanup, removed some #includes and moved Object Code Emitter out-of-line.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74813 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes
2009-07-06 05:09:34 +00:00
parent 14ce9ef2e9
commit ac57e6e498
29 changed files with 438 additions and 323 deletions
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include/llvm/CodeGen/MachineCodeEmitter.h
+1 -20
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@@ -74,24 +74,6 @@ public:
/// false.
///
virtual bool finishFunction(MachineFunction &F) = 0;
/// startGVStub - This callback is invoked when the JIT needs the
/// address of a GV (e.g. function) that has not been code generated yet.
/// The StubSize specifies the total size required by the stub.
///
virtual void startGVStub(const GlobalValue* GV, unsigned StubSize,
unsigned Alignment = 1) = 0;
/// startGVStub - This callback is invoked when the JIT needs the address of a
/// GV (e.g. function) that has not been code generated yet. Buffer points to
/// memory already allocated for this stub.
///
virtual void startGVStub(const GlobalValue* GV, void *Buffer,
unsigned StubSize) = 0;
/// finishGVStub - This callback is invoked to terminate a GV stub.
///
virtual void *finishGVStub(const GlobalValue* F) = 0;
/// emitByte - This callback is invoked when a byte needs to be written to the
/// output stream.
@@ -288,14 +270,13 @@ public:
/// getCurrentPCOffset - Return the offset from the start of the emitted
/// buffer that we are currently writing to.
uintptr_t getCurrentPCOffset() const {
virtual uintptr_t getCurrentPCOffset() const {
return CurBufferPtr-BufferBegin;
}
/// addRelocation - Whenever a relocatable address is needed, it should be
/// noted with this interface.
virtual void addRelocation(const MachineRelocation &MR) = 0;
/// FIXME: These should all be handled with relocations!