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Imported Upstream version 5.18.0.207

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Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449
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Xamarin Public Jenkins (auto-signing)
2018-11-17 08:23:10 +00:00
parent 8e12397d70
commit eb85e2fc17
28480 changed files with 72 additions and 3866936 deletions
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106
external/llvm/lib/Target/AArch64/MCTargetDesc/AArch64WinCOFFObjectWriter.cpp vendored
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@ -1,106 +0,0 @@
//= AArch64WinCOFFObjectWriter.cpp - AArch64 Windows COFF Object Writer C++ =//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===---------------------------------------------------------------------===//
#include "MCTargetDesc/AArch64FixupKinds.h"
#include "llvm/ADT/Twine.h"
#include "llvm/BinaryFormat/COFF.h"
#include "llvm/MC/MCAsmBackend.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCFixup.h"
#include "llvm/MC/MCFixupKindInfo.h"
#include "llvm/MC/MCObjectWriter.h"
#include "llvm/MC/MCValue.h"
#include "llvm/MC/MCWinCOFFObjectWriter.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>
using namespace llvm;
namespace {
class AArch64WinCOFFObjectWriter : public MCWinCOFFObjectTargetWriter {
public:
AArch64WinCOFFObjectWriter()
: MCWinCOFFObjectTargetWriter(COFF::IMAGE_FILE_MACHINE_ARM64) {}
~AArch64WinCOFFObjectWriter() override = default;
unsigned getRelocType(MCContext &Ctx, const MCValue &Target,
const MCFixup &Fixup, bool IsCrossSection,
const MCAsmBackend &MAB) const override;
bool recordRelocation(const MCFixup &) const override;
};
} // end anonymous namespace
unsigned AArch64WinCOFFObjectWriter::getRelocType(
MCContext &Ctx, const MCValue &Target, const MCFixup &Fixup,
bool IsCrossSection, const MCAsmBackend &MAB) const {
auto Modifier = Target.isAbsolute() ? MCSymbolRefExpr::VK_None
: Target.getSymA()->getKind();
switch (static_cast<unsigned>(Fixup.getKind())) {
default: {
const MCFixupKindInfo &Info = MAB.getFixupKindInfo(Fixup.getKind());
report_fatal_error(Twine("unsupported relocation type: ") + Info.Name);
}
case FK_Data_4:
switch (Modifier) {
default:
return COFF::IMAGE_REL_ARM64_ADDR32;
case MCSymbolRefExpr::VK_COFF_IMGREL32:
return COFF::IMAGE_REL_ARM64_ADDR32NB;
case MCSymbolRefExpr::VK_SECREL:
return COFF::IMAGE_REL_ARM64_SECREL;
}
case FK_Data_8:
return COFF::IMAGE_REL_ARM64_ADDR64;
case FK_SecRel_2:
return COFF::IMAGE_REL_ARM64_SECTION;
case FK_SecRel_4:
return COFF::IMAGE_REL_ARM64_SECREL;
case AArch64::fixup_aarch64_add_imm12:
return COFF::IMAGE_REL_ARM64_PAGEOFFSET_12A;
case AArch64::fixup_aarch64_ldst_imm12_scale1:
case AArch64::fixup_aarch64_ldst_imm12_scale2:
case AArch64::fixup_aarch64_ldst_imm12_scale4:
case AArch64::fixup_aarch64_ldst_imm12_scale8:
case AArch64::fixup_aarch64_ldst_imm12_scale16:
return COFF::IMAGE_REL_ARM64_PAGEOFFSET_12L;
case AArch64::fixup_aarch64_pcrel_adrp_imm21:
return COFF::IMAGE_REL_ARM64_PAGEBASE_REL21;
case AArch64::fixup_aarch64_pcrel_branch26:
case AArch64::fixup_aarch64_pcrel_call26:
return COFF::IMAGE_REL_ARM64_BRANCH26;
}
}
bool AArch64WinCOFFObjectWriter::recordRelocation(const MCFixup &Fixup) const {
return true;
}
namespace llvm {
std::unique_ptr<MCObjectWriter>
createAArch64WinCOFFObjectWriter(raw_pwrite_stream &OS) {
auto MOTW = llvm::make_unique<AArch64WinCOFFObjectWriter>();
return createWinCOFFObjectWriter(std::move(MOTW), OS);
}
} // end namespace llvm