mirror of
https://github.com/c64scene-ar/llvm-6502.git
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d1ee90f1a5
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128 91177308-0d34-0410-b5e6-96231b3b80d8
92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
//===-- llvm/Assembly/Writer.h - Printer for VM assembly files ---*- C++ -*--=//
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//
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// This functionality is implemented by the lib/Assembly/Writer library.
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// This library is used to print VM assembly language files to an iostream. It
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// can print VM code at a variety of granularities, ranging from a whole class
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// down to an individual instruction. This makes it useful for debugging.
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//
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// This file also defines functions that allow it to output files that a program
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// called VCG can read.
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//
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// This library uses the Analysis library to figure out offsets for
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// variables in the method tables...
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ASSEMBLY_WRITER_H
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#define LLVM_ASSEMBLY_WRITER_H
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#include <iostream>
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#include "llvm/Type.h"
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class Module;
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class Method;
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class BasicBlock;
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class Instruction;
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// The only interface defined by this file... convert the internal
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// representation of an object into an ascii bytestream that the parser can
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// understand later... (the parser only understands whole classes though)
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//
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void WriteToAssembly(const Module *Module, ostream &o);
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void WriteToAssembly(const Method *Method, ostream &o);
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void WriteToAssembly(const BasicBlock *BB, ostream &o);
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void WriteToAssembly(const Instruction *In, ostream &o);
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void WriteToAssembly(const ConstPoolVal *V, ostream &o);
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// WriteToVCG - Dump the specified structure to a VCG file. If method is
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// dumped, then the file named is created. If a module is to be written, a
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// family of files with a common base name is created, with a method name
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// suffix.
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//
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void WriteToVCG(const Module *Module, const string &Filename);
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void WriteToVCG(const Method *Method, const string &Filename);
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// Define operator<< to work on the various classes that we can send to an
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// ostream...
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//
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inline ostream &operator<<(ostream &o, const Module *C) {
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WriteToAssembly(C, o); return o;
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}
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inline ostream &operator<<(ostream &o, const Method *M) {
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WriteToAssembly(M, o); return o;
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}
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inline ostream &operator<<(ostream &o, const BasicBlock *B) {
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WriteToAssembly(B, o); return o;
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}
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inline ostream &operator<<(ostream &o, const Instruction *I) {
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WriteToAssembly(I, o); return o;
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}
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inline ostream &operator<<(ostream &o, const ConstPoolVal *I) {
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WriteToAssembly(I, o); return o;
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}
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inline ostream &operator<<(ostream &o, const Type *T) {
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if (!T) return o << "<null Type>";
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return o << T->getName();
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}
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inline ostream &operator<<(ostream &o, const Value *I) {
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switch (I->getValueType()) {
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case Value::TypeVal: return o << (const Type*)I;
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case Value::ConstantVal: WriteToAssembly((const ConstPoolVal*)I, o); break;
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case Value::MethodArgumentVal: return o <<I->getType() << " " << I->getName();
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case Value::InstructionVal: WriteToAssembly((const Instruction *)I, o); break;
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case Value::BasicBlockVal: WriteToAssembly((const BasicBlock *)I, o); break;
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case Value::MethodVal: WriteToAssembly((const Method *)I, o); break;
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case Value::ModuleVal: WriteToAssembly((const Module *)I, o); break;
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default: return o << "<unknown value type: " << I->getValueType() << ">";
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}
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return o;
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}
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#endif
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