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https://github.com/c64scene-ar/llvm-6502.git
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bd3327654b
disassembler API. Hooked this up to the ARM target so such tools as Darwin's otool(1) can now print things like branch targets for example this: blx _puts instead of this: blx #-36 And even print the expression encoded in the Mach-O relocation entried for things like this: movt r0, :upper16:((_foo-_bar)+1234) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129284 91177308-0d34-0410-b5e6-96231b3b80d8
91 lines
3.3 KiB
C++
91 lines
3.3 KiB
C++
//===------------- Disassembler.h - LLVM Disassembler -----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the interface for the Disassembly library's disassembler
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// context. The disassembler is responsible for producing strings for
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// individual instructions according to a given architecture and disassembly
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// syntax.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm-c/Disassembler.h"
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#include <string>
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#include "llvm/ADT/OwningPtr.h"
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namespace llvm {
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class TargetAsmInfo;
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class MCContext;
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class MCAsmInfo;
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class MCDisassembler;
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class MCInstPrinter;
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class Target;
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class TargetMachine;
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//
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// This is the disassembler context returned by LLVMCreateDisasm().
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//
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class LLVMDisasmContext {
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private:
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//
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// The passed parameters when the disassembler context is created.
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//
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// The TripleName for this disassembler.
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std::string TripleName;
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// The pointer to the caller's block of symbolic information.
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void *DisInfo;
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// The Triple specific symbolic information type returned by GetOpInfo.
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int TagType;
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// The function to get the symbolic information for operands.
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LLVMOpInfoCallback GetOpInfo;
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// The function to look up a symbol name.
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LLVMSymbolLookupCallback SymbolLookUp;
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//
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// The objects created and saved by LLVMCreateDisasm() then used by
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// LLVMDisasmInstruction().
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//
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// The LLVM target corresponding to the disassembler.
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// FIXME: using llvm::OwningPtr<const llvm::Target> causes a malloc error
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// when this LLVMDisasmContext is deleted.
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const Target *TheTarget;
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// The assembly information for the target architecture.
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llvm::OwningPtr<const llvm::MCAsmInfo> MAI;
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// The target machine instance.
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llvm::OwningPtr<llvm::TargetMachine> TM;
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// The disassembler for the target architecture.
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// FIXME: using llvm::OwningPtr<const llvm::TargetAsmInfo> causes a malloc
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// error when this LLVMDisasmContext is deleted.
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const TargetAsmInfo *Tai;
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// The assembly context for creating symbols and MCExprs.
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llvm::OwningPtr<const llvm::MCContext> Ctx;
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// The disassembler for the target architecture.
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llvm::OwningPtr<const llvm::MCDisassembler> DisAsm;
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// The instruction printer for the target architecture.
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llvm::OwningPtr<llvm::MCInstPrinter> IP;
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public:
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LLVMDisasmContext(std::string tripleName, void *disInfo, int tagType,
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LLVMOpInfoCallback getOpInfo,
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LLVMSymbolLookupCallback symbolLookUp,
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const Target *theTarget, const MCAsmInfo *mAI,
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llvm::TargetMachine *tM, const TargetAsmInfo *tai,
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llvm::MCContext *ctx, const MCDisassembler *disAsm,
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MCInstPrinter *iP) : TripleName(tripleName),
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DisInfo(disInfo), TagType(tagType), GetOpInfo(getOpInfo),
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SymbolLookUp(symbolLookUp), TheTarget(theTarget), Tai(tai) {
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TM.reset(tM);
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MAI.reset(mAI);
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Ctx.reset(ctx);
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DisAsm.reset(disAsm);
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IP.reset(iP);
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}
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const MCDisassembler *getDisAsm() const { return DisAsm.get(); }
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MCInstPrinter *getIP() { return IP.get(); }
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};
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} // namespace llvm
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