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0561b945b9
Summary:
We are using symbols to represent label and csect interchangeably before, and that could be a problem.
There are cases we would need to add storage mapping class to the symbol if that symbol is actually the name of a csect, but it's hard for us to figure out whether that symbol is a label or csect.
This patch intend to do the following:
1. Construct a QualName (A name include the storage mapping class)
MCSymbolXCOFF for every MCSectionXCOFF.
2. Keep a pointer to that QualName inside of MCSectionXCOFF.
3. Use that QualName whenever we need a symbol refers to that
MCSectionXCOFF.
4. Adapt the snowball effect from the above changes in
XCOFFObjectWriter.cpp.
Reviewers: xingxue, DiggerLin, sfertile, daltenty, hubert.reinterpretcast
Reviewed By: DiggerLin, daltenty
Subscribers: wuzish, nemanjai, mgorny, hiraditya, kbarton, jsji, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D69633
31 lines
792 B
C++
31 lines
792 B
C++
//===- MCAsmInfoXCOFF.h - XCOFF asm properties ----------------- *- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_MCASMINFOXCOFF_H
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#define LLVM_MC_MCASMINFOXCOFF_H
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#include "llvm/MC/MCAsmInfo.h"
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namespace llvm {
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class MCAsmInfoXCOFF : public MCAsmInfo {
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virtual void anchor();
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protected:
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MCAsmInfoXCOFF();
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public:
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// Return true only when C is an acceptable character inside a
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// MCSymbolXCOFF.
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bool isAcceptableChar(char C) const override;
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};
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} // end namespace llvm
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#endif // LLVM_MC_MCASMINFOXCOFF_H
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