diff options
Diffstat (limited to 'lib/Target/TargetLoweringObjectFile.cpp')
| -rw-r--r-- | lib/Target/TargetLoweringObjectFile.cpp | 260 |
1 files changed, 122 insertions, 138 deletions
diff --git a/lib/Target/TargetLoweringObjectFile.cpp b/lib/Target/TargetLoweringObjectFile.cpp index e983285..8a60086 100644 --- a/lib/Target/TargetLoweringObjectFile.cpp +++ b/lib/Target/TargetLoweringObjectFile.cpp @@ -280,7 +280,7 @@ TargetLoweringObjectFile::getSectionForConstant(SectionKind Kind) const { //===----------------------------------------------------------------------===// const MCSection *TargetLoweringObjectFileELF:: -getOrCreateSection(const char *Name, bool isDirective, SectionKind Kind) const { +getELFSection(const char *Name, bool isDirective, SectionKind Kind) const { if (MCSection *S = getContext().GetSection(Name)) return S; return MCSection::Create(Name, isDirective, Kind, getContext()); @@ -290,47 +290,47 @@ void TargetLoweringObjectFileELF::Initialize(MCContext &Ctx, const TargetMachine &TM) { TargetLoweringObjectFile::Initialize(Ctx, TM); if (!HasCrazyBSS) - BSSSection = getOrCreateSection("\t.bss", true, SectionKind::getBSS()); + BSSSection = getELFSection("\t.bss", true, SectionKind::getBSS()); else // PPC/Linux doesn't support the .bss directive, it needs .section .bss. // FIXME: Does .section .bss work everywhere?? // FIXME2: this should just be handle by the section printer. We should get // away from syntactic view of the sections and MCSection should just be a // semantic view. - BSSSection = getOrCreateSection("\t.bss", false, SectionKind::getBSS()); + BSSSection = getELFSection("\t.bss", false, SectionKind::getBSS()); - TextSection = getOrCreateSection("\t.text", true, SectionKind::getText()); - DataSection = getOrCreateSection("\t.data", true, SectionKind::getDataRel()); + TextSection = getELFSection("\t.text", true, SectionKind::getText()); + DataSection = getELFSection("\t.data", true, SectionKind::getDataRel()); ReadOnlySection = - getOrCreateSection("\t.rodata", false, SectionKind::getReadOnly()); + getELFSection("\t.rodata", false, SectionKind::getReadOnly()); TLSDataSection = - getOrCreateSection("\t.tdata", false, SectionKind::getThreadData()); + getELFSection("\t.tdata", false, SectionKind::getThreadData()); - TLSBSSSection = getOrCreateSection("\t.tbss", false, + TLSBSSSection = getELFSection("\t.tbss", false, SectionKind::getThreadBSS()); - DataRelSection = getOrCreateSection("\t.data.rel", false, + DataRelSection = getELFSection("\t.data.rel", false, SectionKind::getDataRel()); - DataRelLocalSection = getOrCreateSection("\t.data.rel.local", false, + DataRelLocalSection = getELFSection("\t.data.rel.local", false, SectionKind::getDataRelLocal()); - DataRelROSection = getOrCreateSection("\t.data.rel.ro", false, + DataRelROSection = getELFSection("\t.data.rel.ro", false, SectionKind::getReadOnlyWithRel()); DataRelROLocalSection = - getOrCreateSection("\t.data.rel.ro.local", false, + getELFSection("\t.data.rel.ro.local", false, SectionKind::getReadOnlyWithRelLocal()); - MergeableConst4Section = getOrCreateSection(".rodata.cst4", false, + MergeableConst4Section = getELFSection(".rodata.cst4", false, SectionKind::getMergeableConst4()); - MergeableConst8Section = getOrCreateSection(".rodata.cst8", false, + MergeableConst8Section = getELFSection(".rodata.cst8", false, SectionKind::getMergeableConst8()); - MergeableConst16Section = getOrCreateSection(".rodata.cst16", false, + MergeableConst16Section = getELFSection(".rodata.cst16", false, SectionKind::getMergeableConst16()); StaticCtorSection = - getOrCreateSection(".ctors", false, SectionKind::getDataRel()); + getELFSection(".ctors", false, SectionKind::getDataRel()); StaticDtorSection = - getOrCreateSection(".dtors", false, SectionKind::getDataRel()); + getELFSection(".dtors", false, SectionKind::getDataRel()); // Exception Handling Sections. @@ -339,33 +339,33 @@ void TargetLoweringObjectFileELF::Initialize(MCContext &Ctx, // runtime hit for C++ apps. Either the contents of the LSDA need to be // adjusted or this should be a data section. LSDASection = - getOrCreateSection(".gcc_except_table", false, SectionKind::getReadOnly()); + getELFSection(".gcc_except_table", false, SectionKind::getReadOnly()); EHFrameSection = - getOrCreateSection(".eh_frame", false, SectionKind::getDataRel()); + getELFSection(".eh_frame", false, SectionKind::getDataRel()); // Debug Info Sections. DwarfAbbrevSection = - getOrCreateSection(".debug_abbrev", false, SectionKind::getMetadata()); + getELFSection(".debug_abbrev", false, SectionKind::getMetadata()); DwarfInfoSection = - getOrCreateSection(".debug_info", false, SectionKind::getMetadata()); + getELFSection(".debug_info", false, SectionKind::getMetadata()); DwarfLineSection = - getOrCreateSection(".debug_line", false, SectionKind::getMetadata()); + getELFSection(".debug_line", false, SectionKind::getMetadata()); DwarfFrameSection = - getOrCreateSection(".debug_frame", false, SectionKind::getMetadata()); + getELFSection(".debug_frame", false, SectionKind::getMetadata()); DwarfPubNamesSection = - getOrCreateSection(".debug_pubnames", false, SectionKind::getMetadata()); + getELFSection(".debug_pubnames", false, SectionKind::getMetadata()); DwarfPubTypesSection = - getOrCreateSection(".debug_pubtypes", false, SectionKind::getMetadata()); + getELFSection(".debug_pubtypes", false, SectionKind::getMetadata()); DwarfStrSection = - getOrCreateSection(".debug_str", false, SectionKind::getMetadata()); + getELFSection(".debug_str", false, SectionKind::getMetadata()); DwarfLocSection = - getOrCreateSection(".debug_loc", false, SectionKind::getMetadata()); + getELFSection(".debug_loc", false, SectionKind::getMetadata()); DwarfARangesSection = - getOrCreateSection(".debug_aranges", false, SectionKind::getMetadata()); + getELFSection(".debug_aranges", false, SectionKind::getMetadata()); DwarfRangesSection = - getOrCreateSection(".debug_ranges", false, SectionKind::getMetadata()); + getELFSection(".debug_ranges", false, SectionKind::getMetadata()); DwarfMacroInfoSection = - getOrCreateSection(".debug_macinfo", false, SectionKind::getMetadata()); + getELFSection(".debug_macinfo", false, SectionKind::getMetadata()); } @@ -401,7 +401,7 @@ getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind, // Infer section flags from the section name if we can. Kind = getELFKindForNamedSection(GV->getSection().c_str(), Kind); - return getOrCreateSection(GV->getSection().c_str(), false, Kind); + return getELFSection(GV->getSection().c_str(), false, Kind); } @@ -497,7 +497,7 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind, if (GV->isWeakForLinker()) { const char *Prefix = getSectionPrefixForUniqueGlobal(Kind); std::string Name = Mang->makeNameProper(GV->getNameStr()); - return getOrCreateSection((Prefix+Name).c_str(), false, Kind); + return getELFSection((Prefix+Name).c_str(), false, Kind); } if (Kind.isText()) return TextSection; @@ -522,7 +522,7 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind, std::string Name = SizeSpec + utostr(Align); - return getOrCreateSection(Name.c_str(), false, Kind); + return getELFSection(Name.c_str(), false, Kind); } if (Kind.isMergeableConst()) { @@ -574,36 +574,29 @@ getSectionForConstant(SectionKind Kind) const { // MachO //===----------------------------------------------------------------------===// + const MCSection *TargetLoweringObjectFileMachO:: -getOrCreateSection(const char *Name, bool isDirective, SectionKind Kind) const { +getMachOSection(const char *Name, bool isDirective, SectionKind Kind) const { if (MCSection *S = getContext().GetSection(Name)) return S; return MCSection::Create(Name, isDirective, Kind, getContext()); } -const MCSection *TargetLoweringObjectFileMachO:: -getMachOSection(const char *Name, bool isDirective, SectionKind K) { - // FOR NOW, Just forward. - return getOrCreateSection(Name, isDirective, K); -} - void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx, const TargetMachine &TM) { TargetLoweringObjectFile::Initialize(Ctx, TM); - TextSection = getOrCreateSection("\t.text", true, - SectionKind::getText()); - DataSection = getOrCreateSection("\t.data", true, - SectionKind::getDataRel()); - - CStringSection = getOrCreateSection("\t.cstring", true, - SectionKind::getMergeable1ByteCString()); - UStringSection = getOrCreateSection("__TEXT,__ustring", false, - SectionKind::getMergeable2ByteCString()); - FourByteConstantSection = getOrCreateSection("\t.literal4\n", true, - SectionKind::getMergeableConst4()); - EightByteConstantSection = getOrCreateSection("\t.literal8\n", true, + TextSection = getMachOSection("\t.text", true, SectionKind::getText()); + DataSection = getMachOSection("\t.data", true, SectionKind::getDataRel()); + + CStringSection = getMachOSection("\t.cstring", true, + SectionKind::getMergeable1ByteCString()); + UStringSection = getMachOSection("__TEXT,__ustring", false, + SectionKind::getMergeable2ByteCString()); + FourByteConstantSection = getMachOSection("\t.literal4\n", true, + SectionKind::getMergeableConst4()); + EightByteConstantSection = getMachOSection("\t.literal8\n", true, SectionKind::getMergeableConst8()); // ld_classic doesn't support .literal16 in 32-bit mode, and ld64 falls back @@ -611,93 +604,90 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx, if (TM.getRelocationModel() != Reloc::Static && TM.getTargetData()->getPointerSize() == 32) SixteenByteConstantSection = - getOrCreateSection("\t.literal16\n", true, - SectionKind::getMergeableConst16()); + getMachOSection("\t.literal16\n", true, + SectionKind::getMergeableConst16()); else SixteenByteConstantSection = 0; - ReadOnlySection = getOrCreateSection("\t.const", true, - SectionKind::getReadOnly()); + ReadOnlySection = getMachOSection("\t.const", true, + SectionKind::getReadOnly()); TextCoalSection = - getOrCreateSection("\t__TEXT,__textcoal_nt,coalesced,pure_instructions", - false, SectionKind::getText()); - ConstTextCoalSection = getOrCreateSection("\t__TEXT,__const_coal,coalesced", - false, - SectionKind::getText()); - ConstDataCoalSection = getOrCreateSection("\t__DATA,__const_coal,coalesced", - false, - SectionKind::getText()); - ConstDataSection = getOrCreateSection("\t.const_data", true, - SectionKind::getReadOnlyWithRel()); - DataCoalSection = getOrCreateSection("\t__DATA,__datacoal_nt,coalesced", - false, - SectionKind::getDataRel()); + getMachOSection("\t__TEXT,__textcoal_nt,coalesced,pure_instructions", + false, SectionKind::getText()); + ConstTextCoalSection = getMachOSection("\t__TEXT,__const_coal,coalesced", + false, SectionKind::getText()); + ConstDataCoalSection = getMachOSection("\t__DATA,__const_coal,coalesced", + false, SectionKind::getText()); + ConstDataSection = getMachOSection("\t.const_data", true, + SectionKind::getReadOnlyWithRel()); + DataCoalSection = getMachOSection("\t__DATA,__datacoal_nt,coalesced", + false, SectionKind::getDataRel()); if (TM.getRelocationModel() == Reloc::Static) { StaticCtorSection = - getOrCreateSection(".constructor", true, SectionKind::getDataRel()); + getMachOSection(".constructor", true, SectionKind::getDataRel()); StaticDtorSection = - getOrCreateSection(".destructor", true, SectionKind::getDataRel()); + getMachOSection(".destructor", true, SectionKind::getDataRel()); } else { StaticCtorSection = - getOrCreateSection(".mod_init_func", true, SectionKind::getDataRel()); + getMachOSection(".mod_init_func", true, SectionKind::getDataRel()); StaticDtorSection = - getOrCreateSection(".mod_term_func", true, SectionKind::getDataRel()); + getMachOSection(".mod_term_func", true, SectionKind::getDataRel()); } // Exception Handling. - LSDASection = getOrCreateSection("__DATA,__gcc_except_tab", false, - SectionKind::getDataRel()); + LSDASection = getMachOSection("__DATA,__gcc_except_tab", false, + SectionKind::getDataRel()); EHFrameSection = - getOrCreateSection("__TEXT,__eh_frame,coalesced,no_toc+strip_static_syms" - "+live_support", false, SectionKind::getReadOnly()); + getMachOSection("__TEXT,__eh_frame,coalesced,no_toc+strip_static_syms" + "+live_support", false, SectionKind::getReadOnly()); // Debug Information. // FIXME: Don't use 'directive' syntax: need flags for debug/regular?? // FIXME: Need __DWARF segment. DwarfAbbrevSection = - getOrCreateSection(".section __DWARF,__debug_abbrev,regular,debug", true, - SectionKind::getMetadata()); + getMachOSection(".section __DWARF,__debug_abbrev,regular,debug", true, + SectionKind::getMetadata()); DwarfInfoSection = - getOrCreateSection(".section __DWARF,__debug_info,regular,debug", true, - SectionKind::getMetadata()); + getMachOSection(".section __DWARF,__debug_info,regular,debug", true, + SectionKind::getMetadata()); DwarfLineSection = - getOrCreateSection(".section __DWARF,__debug_line,regular,debug", true, - SectionKind::getMetadata()); + getMachOSection(".section __DWARF,__debug_line,regular,debug", true, + SectionKind::getMetadata()); DwarfFrameSection = - getOrCreateSection(".section __DWARF,__debug_frame,regular,debug", true, - SectionKind::getMetadata()); + getMachOSection(".section __DWARF,__debug_frame,regular,debug", true, + SectionKind::getMetadata()); DwarfPubNamesSection = - getOrCreateSection(".section __DWARF,__debug_pubnames,regular,debug", true, - SectionKind::getMetadata()); + getMachOSection(".section __DWARF,__debug_pubnames,regular,debug", true, + SectionKind::getMetadata()); DwarfPubTypesSection = - getOrCreateSection(".section __DWARF,__debug_pubtypes,regular,debug", true, - SectionKind::getMetadata()); + getMachOSection(".section __DWARF,__debug_pubtypes,regular,debug", true, + SectionKind::getMetadata()); DwarfStrSection = - getOrCreateSection(".section __DWARF,__debug_str,regular,debug", true, - SectionKind::getMetadata()); + getMachOSection(".section __DWARF,__debug_str,regular,debug", true, + SectionKind::getMetadata()); DwarfLocSection = - getOrCreateSection(".section __DWARF,__debug_loc,regular,debug", true, - SectionKind::getMetadata()); + getMachOSection(".section __DWARF,__debug_loc,regular,debug", true, + SectionKind::getMetadata()); DwarfARangesSection = - getOrCreateSection(".section __DWARF,__debug_aranges,regular,debug", true, - SectionKind::getMetadata()); + getMachOSection(".section __DWARF,__debug_aranges,regular,debug", true, + SectionKind::getMetadata()); DwarfRangesSection = - getOrCreateSection(".section __DWARF,__debug_ranges,regular,debug", true, - SectionKind::getMetadata()); + getMachOSection(".section __DWARF,__debug_ranges,regular,debug", true, + SectionKind::getMetadata()); DwarfMacroInfoSection = - getOrCreateSection(".section __DWARF,__debug_macinfo,regular,debug", true, - SectionKind::getMetadata()); + getMachOSection(".section __DWARF,__debug_macinfo,regular,debug", true, + SectionKind::getMetadata()); DwarfDebugInlineSection = - getOrCreateSection(".section __DWARF,__debug_inlined,regular,debug", true, - SectionKind::getMetadata()); + getMachOSection(".section __DWARF,__debug_inlined,regular,debug", true, + SectionKind::getMetadata()); } const MCSection *TargetLoweringObjectFileMachO:: getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind, Mangler *Mang, const TargetMachine &TM) const { - return getOrCreateSection(GV->getSection().c_str(), false, Kind); + return getMachOSection(GV->getSection().c_str(), false, Kind); } const MCSection *TargetLoweringObjectFileMachO:: @@ -794,72 +784,66 @@ shouldEmitUsedDirectiveFor(const GlobalValue *GV, Mangler *Mang) const { // COFF //===----------------------------------------------------------------------===// + const MCSection *TargetLoweringObjectFileCOFF:: -getOrCreateSection(const char *Name, bool isDirective, SectionKind Kind) const { +getCOFFSection(const char *Name, bool isDirective, SectionKind Kind) const { if (MCSection *S = getContext().GetSection(Name)) return S; return MCSection::Create(Name, isDirective, Kind, getContext()); } -const MCSection *TargetLoweringObjectFileCOFF:: -getCOFFSection(const char *Name, bool isDirective, SectionKind K) { - return getOrCreateSection(Name, isDirective, K); -} - void TargetLoweringObjectFileCOFF::Initialize(MCContext &Ctx, const TargetMachine &TM) { TargetLoweringObjectFile::Initialize(Ctx, TM); - TextSection = getOrCreateSection("\t.text", true, - SectionKind::getText()); - DataSection = getOrCreateSection("\t.data", true, - SectionKind::getDataRel()); + TextSection = getCOFFSection("\t.text", true, SectionKind::getText()); + DataSection = getCOFFSection("\t.data", true, SectionKind::getDataRel()); StaticCtorSection = - getOrCreateSection(".ctors", false, SectionKind::getDataRel()); + getCOFFSection(".ctors", false, SectionKind::getDataRel()); StaticDtorSection = - getOrCreateSection(".dtors", false, SectionKind::getDataRel()); + getCOFFSection(".dtors", false, SectionKind::getDataRel()); // Debug info. // FIXME: Don't use 'directive' mode here. DwarfAbbrevSection = - getOrCreateSection("\t.section\t.debug_abbrev,\"dr\"", - true, SectionKind::getMetadata()); + getCOFFSection("\t.section\t.debug_abbrev,\"dr\"", + true, SectionKind::getMetadata()); DwarfInfoSection = - getOrCreateSection("\t.section\t.debug_info,\"dr\"", - true, SectionKind::getMetadata()); + getCOFFSection("\t.section\t.debug_info,\"dr\"", + true, SectionKind::getMetadata()); DwarfLineSection = - getOrCreateSection("\t.section\t.debug_line,\"dr\"", - true, SectionKind::getMetadata()); + getCOFFSection("\t.section\t.debug_line,\"dr\"", + true, SectionKind::getMetadata()); DwarfFrameSection = - getOrCreateSection("\t.section\t.debug_frame,\"dr\"", - true, SectionKind::getMetadata()); + getCOFFSection("\t.section\t.debug_frame,\"dr\"", + true, SectionKind::getMetadata()); DwarfPubNamesSection = - getOrCreateSection("\t.section\t.debug_pubnames,\"dr\"", - true, SectionKind::getMetadata()); + getCOFFSection("\t.section\t.debug_pubnames,\"dr\"", + true, SectionKind::getMetadata()); DwarfPubTypesSection = - getOrCreateSection("\t.section\t.debug_pubtypes,\"dr\"", - true, SectionKind::getMetadata()); + getCOFFSection("\t.section\t.debug_pubtypes,\"dr\"", + true, SectionKind::getMetadata()); DwarfStrSection = - getOrCreateSection("\t.section\t.debug_str,\"dr\"", - true, SectionKind::getMetadata()); + getCOFFSection("\t.section\t.debug_str,\"dr\"", + true, SectionKind::getMetadata()); DwarfLocSection = - getOrCreateSection("\t.section\t.debug_loc,\"dr\"", - true, SectionKind::getMetadata()); + getCOFFSection("\t.section\t.debug_loc,\"dr\"", + true, SectionKind::getMetadata()); DwarfARangesSection = - getOrCreateSection("\t.section\t.debug_aranges,\"dr\"", - true, SectionKind::getMetadata()); + getCOFFSection("\t.section\t.debug_aranges,\"dr\"", + true, SectionKind::getMetadata()); DwarfRangesSection = - getOrCreateSection("\t.section\t.debug_ranges,\"dr\"", - true, SectionKind::getMetadata()); + getCOFFSection("\t.section\t.debug_ranges,\"dr\"", + true, SectionKind::getMetadata()); DwarfMacroInfoSection = - getOrCreateSection("\t.section\t.debug_macinfo,\"dr\"", - true, SectionKind::getMetadata()); + getCOFFSection("\t.section\t.debug_macinfo,\"dr\"", + true, SectionKind::getMetadata()); } const MCSection *TargetLoweringObjectFileCOFF:: getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind, Mangler *Mang, const TargetMachine &TM) const { - return getOrCreateSection(GV->getSection().c_str(), false, Kind); + return getCOFFSection(GV->getSection().c_str(), false, Kind); } @@ -895,7 +879,7 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind, if (GV->isWeakForLinker()) { const char *Prefix = getCOFFSectionPrefixForUniqueGlobal(Kind); std::string Name = Mang->makeNameProper(GV->getNameStr()); - return getOrCreateSection((Prefix+Name).c_str(), false, Kind); + return getCOFFSection((Prefix+Name).c_str(), false, Kind); } if (Kind.isText()) |