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361618ec68
We'd disabled them on x86 because back in the early days some host tools couldn't handle the new load commands. This no longer holds: anyone capable of deploying Clang should be able to deploy its copies of ar/ranlib/etc. rdar://25254790 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267075 91177308-0d34-0410-b5e6-96231b3b80d8
53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
//===-- MCAsmBackend.cpp - Target MC Assembly Backend ----------------------==//
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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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#include "llvm/MC/MCAsmBackend.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/MC/MCFixupKindInfo.h"
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using namespace llvm;
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MCAsmBackend::MCAsmBackend() {}
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MCAsmBackend::~MCAsmBackend() {}
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Optional<MCFixupKind> MCAsmBackend::getFixupKind(StringRef Name) const {
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return None;
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}
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const MCFixupKindInfo &MCAsmBackend::getFixupKindInfo(MCFixupKind Kind) const {
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static const MCFixupKindInfo Builtins[] = {
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{"FK_Data_1", 0, 8, 0},
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{"FK_Data_2", 0, 16, 0},
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{"FK_Data_4", 0, 32, 0},
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{"FK_Data_8", 0, 64, 0},
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{"FK_PCRel_1", 0, 8, MCFixupKindInfo::FKF_IsPCRel},
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{"FK_PCRel_2", 0, 16, MCFixupKindInfo::FKF_IsPCRel},
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{"FK_PCRel_4", 0, 32, MCFixupKindInfo::FKF_IsPCRel},
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{"FK_PCRel_8", 0, 64, MCFixupKindInfo::FKF_IsPCRel},
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{"FK_GPRel_1", 0, 8, 0},
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{"FK_GPRel_2", 0, 16, 0},
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{"FK_GPRel_4", 0, 32, 0},
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{"FK_GPRel_8", 0, 64, 0},
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{"FK_SecRel_1", 0, 8, 0},
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{"FK_SecRel_2", 0, 16, 0},
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{"FK_SecRel_4", 0, 32, 0},
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{"FK_SecRel_8", 0, 64, 0}};
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assert((size_t)Kind <= array_lengthof(Builtins) && "Unknown fixup kind");
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return Builtins[Kind];
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}
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bool MCAsmBackend::fixupNeedsRelaxationAdvanced(
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const MCFixup &Fixup, bool Resolved, uint64_t Value,
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const MCRelaxableFragment *DF, const MCAsmLayout &Layout) const {
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if (!Resolved)
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return true;
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return fixupNeedsRelaxation(Fixup, Value, DF, Layout);
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}
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