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f727ae92f5
A SMLoc allows MCStreamer to report location-aware diagnostics, which
were previously done by adding SMLoc to various methods (e.g. emit*) in an ad-hoc way.
Since the file:line is most important, the column is less important and
the start token location suffices in many cases, this patch reverts
b7e7131af2dd7bdb03fa42a3bc1b4bc72ab95ce1
```
// old
symbol-binding-changed.s:6:8: error: local changed binding to STB_GLOBAL
.globl local
^
// new
symbol-binding-changed.s:6:1: error: local changed binding to STB_GLOBAL
.globl local
^
```
Reviewed By: rnk
Differential Revision: https://reviews.llvm.org/D90511
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
//===- lib/MC/MCNullStreamer.cpp - Dummy Streamer Implementation ----------===//
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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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#include "llvm/ADT/StringRef.h"
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#include "llvm/MC/MCInst.h"
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#include "llvm/MC/MCStreamer.h"
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#include "llvm/MC/MCSymbol.h"
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using namespace llvm;
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namespace {
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class MCNullStreamer : public MCStreamer {
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public:
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MCNullStreamer(MCContext &Context) : MCStreamer(Context) {}
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/// @name MCStreamer Interface
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/// @{
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bool hasRawTextSupport() const override { return true; }
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void emitRawTextImpl(StringRef String) override {}
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bool emitSymbolAttribute(MCSymbol *Symbol,
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MCSymbolAttr Attribute) override {
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return true;
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}
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void emitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
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unsigned ByteAlignment) override {}
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void emitZerofill(MCSection *Section, MCSymbol *Symbol = nullptr,
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uint64_t Size = 0, unsigned ByteAlignment = 0,
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SMLoc Loc = SMLoc()) override {}
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void emitGPRel32Value(const MCExpr *Value) override {}
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void BeginCOFFSymbolDef(const MCSymbol *Symbol) override {}
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void EmitCOFFSymbolStorageClass(int StorageClass) override {}
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void EmitCOFFSymbolType(int Type) override {}
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void EndCOFFSymbolDef() override {}
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};
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}
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MCStreamer *llvm::createNullStreamer(MCContext &Context) {
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return new MCNullStreamer(Context);
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}
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