2010-03-19 11:43:15 +01:00
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//===- lib/MC/MCObjectWriter.cpp - MCObjectWriter implementation ----------===//
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2010-03-19 10:28:59 +01:00
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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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2010-12-24 22:22:02 +01:00
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#include "llvm/MC/MCAssembler.h"
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2010-12-18 07:27:54 +01:00
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#include "llvm/MC/MCExpr.h"
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2010-03-19 10:28:59 +01:00
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#include "llvm/MC/MCObjectWriter.h"
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2010-12-18 07:27:54 +01:00
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#include "llvm/MC/MCSymbol.h"
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2010-03-19 10:28:59 +01:00
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using namespace llvm;
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MCObjectWriter::~MCObjectWriter() {
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}
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2010-09-30 18:52:03 +02:00
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2015-06-05 00:24:41 +02:00
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bool MCObjectWriter::isSymbolRefDifferenceFullyResolved(
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2015-03-25 20:24:39 +01:00
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const MCAssembler &Asm, const MCSymbolRefExpr *A, const MCSymbolRefExpr *B,
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bool InSet) const {
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2010-12-18 07:27:54 +01:00
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// Modified symbol references cannot be resolved.
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if (A->getKind() != MCSymbolRefExpr::VK_None ||
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B->getKind() != MCSymbolRefExpr::VK_None)
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return false;
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const MCSymbol &SA = A->getSymbol();
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const MCSymbol &SB = B->getSymbol();
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2015-04-06 18:10:05 +02:00
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if (SA.isUndefined() || SB.isUndefined())
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2010-12-18 07:27:54 +01:00
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return false;
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2015-05-29 23:45:01 +02:00
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if (!SA.getFragment() || !SB.getFragment())
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2012-02-01 00:02:57 +01:00
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return false;
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2010-12-24 22:22:02 +01:00
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2015-06-05 00:24:41 +02:00
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return isSymbolRefDifferenceFullyResolvedImpl(Asm, SA, *SB.getFragment(),
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2015-05-16 03:01:55 +02:00
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InSet, false);
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2010-12-18 07:27:54 +01:00
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}
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2011-02-16 04:25:55 +01:00
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2015-06-05 00:24:41 +02:00
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bool MCObjectWriter::isSymbolRefDifferenceFullyResolvedImpl(
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2015-05-16 03:01:55 +02:00
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const MCAssembler &Asm, const MCSymbol &SymA, const MCFragment &FB,
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2015-04-17 23:15:17 +02:00
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bool InSet, bool IsPCRel) const {
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2015-05-16 03:01:55 +02:00
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const MCSection &SecA = SymA.getSection();
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2015-05-26 02:36:57 +02:00
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const MCSection &SecB = *FB.getParent();
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2011-02-16 04:25:55 +01:00
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// On ELF and COFF A - B is absolute if A and B are in the same section.
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return &SecA == &SecB;
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}
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2015-03-25 14:16:53 +01:00
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2015-05-20 17:10:03 +02:00
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bool MCObjectWriter::isWeak(const MCSymbol &) const { return false; }
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