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Diffstat (limited to 'contrib/llvm/lib/MC/MCSectionCOFF.cpp')
-rw-r--r-- | contrib/llvm/lib/MC/MCSectionCOFF.cpp | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/contrib/llvm/lib/MC/MCSectionCOFF.cpp b/contrib/llvm/lib/MC/MCSectionCOFF.cpp deleted file mode 100644 index f0c06f70bd73..000000000000 --- a/contrib/llvm/lib/MC/MCSectionCOFF.cpp +++ /dev/null @@ -1,113 +0,0 @@ -//===- lib/MC/MCSectionCOFF.cpp - COFF Code Section Representation --------===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#include "llvm/MC/MCSectionCOFF.h" -#include "llvm/BinaryFormat/COFF.h" -#include "llvm/MC/MCSymbol.h" -#include "llvm/Support/raw_ostream.h" -#include <cassert> - -using namespace llvm; - -// ShouldOmitSectionDirective - Decides whether a '.section' directive -// should be printed before the section name -bool MCSectionCOFF::ShouldOmitSectionDirective(StringRef Name, - const MCAsmInfo &MAI) const { - if (COMDATSymbol) - return false; - - // FIXME: Does .section .bss/.data/.text work everywhere?? - if (Name == ".text" || Name == ".data" || Name == ".bss") - return true; - - return false; -} - -void MCSectionCOFF::setSelection(int Selection) const { - assert(Selection != 0 && "invalid COMDAT selection type"); - this->Selection = Selection; - Characteristics |= COFF::IMAGE_SCN_LNK_COMDAT; -} - -void MCSectionCOFF::PrintSwitchToSection(const MCAsmInfo &MAI, const Triple &T, - raw_ostream &OS, - const MCExpr *Subsection) const { - // standard sections don't require the '.section' - if (ShouldOmitSectionDirective(SectionName, MAI)) { - OS << '\t' << getSectionName() << '\n'; - return; - } - - OS << "\t.section\t" << getSectionName() << ",\""; - if (getCharacteristics() & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA) - OS << 'd'; - if (getCharacteristics() & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA) - OS << 'b'; - if (getCharacteristics() & COFF::IMAGE_SCN_MEM_EXECUTE) - OS << 'x'; - if (getCharacteristics() & COFF::IMAGE_SCN_MEM_WRITE) - OS << 'w'; - else if (getCharacteristics() & COFF::IMAGE_SCN_MEM_READ) - OS << 'r'; - else - OS << 'y'; - if (getCharacteristics() & COFF::IMAGE_SCN_LNK_REMOVE) - OS << 'n'; - if (getCharacteristics() & COFF::IMAGE_SCN_MEM_SHARED) - OS << 's'; - if ((getCharacteristics() & COFF::IMAGE_SCN_MEM_DISCARDABLE) && - !isImplicitlyDiscardable(SectionName)) - OS << 'D'; - OS << '"'; - - if (getCharacteristics() & COFF::IMAGE_SCN_LNK_COMDAT) { - if (COMDATSymbol) - OS << ","; - else - OS << "\n\t.linkonce\t"; - switch (Selection) { - case COFF::IMAGE_COMDAT_SELECT_NODUPLICATES: - OS << "one_only"; - break; - case COFF::IMAGE_COMDAT_SELECT_ANY: - OS << "discard"; - break; - case COFF::IMAGE_COMDAT_SELECT_SAME_SIZE: - OS << "same_size"; - break; - case COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH: - OS << "same_contents"; - break; - case COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE: - OS << "associative"; - break; - case COFF::IMAGE_COMDAT_SELECT_LARGEST: - OS << "largest"; - break; - case COFF::IMAGE_COMDAT_SELECT_NEWEST: - OS << "newest"; - break; - default: - assert(false && "unsupported COFF selection type"); - break; - } - if (COMDATSymbol) { - OS << ","; - COMDATSymbol->print(OS, &MAI); - } - } - OS << '\n'; -} - -bool MCSectionCOFF::UseCodeAlign() const { - return getKind().isText(); -} - -bool MCSectionCOFF::isVirtualSection() const { - return getCharacteristics() & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA; -} |