Data64bitsDirective = 0; // we can't emit a 64-bit unit
ZeroDirective = "\t.space\t"; // ".space N" emits N zeros.
ZeroFillDirective = "\t.zerofill\t"; // Uses .zerofill
- if (TM.getRelocationModel() != Reloc::Static)
- ConstantPoolSection = "\t.const_data";
- else
- ConstantPoolSection = "\t.const\n";
LCOMMDirective = "\t.lcomm\t";
// Leopard and above support aligned common symbols.
ProtectedDirective = "\t.globl\t";
SupportsDebugInformation = true;
- DwarfDebugInlineSection = ".section __DWARF,__debug_inlined,regular,debug";
DwarfUsesInlineInfoSection = true;
// Exceptions handling
GlobalEHDirective = "\t.globl\t";
SupportsWeakOmittedEHFrame = false;
AbsoluteEHSectionOffsets = false;
- DwarfEHFrameSection =
- ".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";
- DwarfExceptionSection = ".section __DATA,__gcc_except_tab";
-}
-
-unsigned
-X86DarwinTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
- bool Global) const {
- if ((Reason == DwarfEncoding::Data || Reason == DwarfEncoding::Functions)
- && Global)
- return DW_EH_PE_pcrel | DW_EH_PE_indirect | DW_EH_PE_sdata4;
-
- if (Reason == DwarfEncoding::CodeLabels || !Global)
- return DW_EH_PE_pcrel;
-
- return DW_EH_PE_absptr;
-}
-
-const char *
-X86DarwinTargetAsmInfo::getEHGlobalPrefix() const {
- const X86Subtarget* Subtarget = &TM.getSubtarget<X86Subtarget>();
- if (Subtarget->getDarwinVers() > 9)
- return PrivateGlobalPrefix;
- return "";
}
X86ELFTargetAsmInfo::X86ELFTargetAsmInfo(const X86TargetMachine &TM) :
- X86TargetAsmInfo<ELFTargetAsmInfo>(TM) {
+ X86TargetAsmInfo<TargetAsmInfo>(TM) {
- CStringSection = ".rodata.str";
PrivateGlobalPrefix = ".L";
WeakRefDirective = "\t.weak\t";
SetDirective = "\t.set\t";
// Debug Information
AbsoluteDebugSectionOffsets = true;
SupportsDebugInformation = true;
- DwarfAbbrevSection = "\t.section\t.debug_abbrev,\"\",@progbits";
- DwarfInfoSection = "\t.section\t.debug_info,\"\",@progbits";
- DwarfLineSection = "\t.section\t.debug_line,\"\",@progbits";
- DwarfFrameSection = "\t.section\t.debug_frame,\"\",@progbits";
- DwarfPubNamesSection ="\t.section\t.debug_pubnames,\"\",@progbits";
- DwarfPubTypesSection ="\t.section\t.debug_pubtypes,\"\",@progbits";
- DwarfStrSection = "\t.section\t.debug_str,\"\",@progbits";
- DwarfLocSection = "\t.section\t.debug_loc,\"\",@progbits";
- DwarfARangesSection = "\t.section\t.debug_aranges,\"\",@progbits";
- DwarfRangesSection = "\t.section\t.debug_ranges,\"\",@progbits";
- DwarfMacroInfoSection = "\t.section\t.debug_macinfo,\"\",@progbits";
// Exceptions handling
SupportsExceptionHandling = true;
AbsoluteEHSectionOffsets = false;
- DwarfEHFrameSection = "\t.section\t.eh_frame,\"aw\",@progbits";
- DwarfExceptionSection = "\t.section\t.gcc_except_table,\"a\",@progbits";
// On Linux we must declare when we can use a non-executable stack.
if (TM.getSubtarget<X86Subtarget>().isLinux())
NonexecutableStackDirective = "\t.section\t.note.GNU-stack,\"\",@progbits";
}
-unsigned
-X86ELFTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
- bool Global) const {
- CodeModel::Model CM = TM.getCodeModel();
- bool is64Bit = TM.getSubtarget<X86Subtarget>().is64Bit();
-
- if (TM.getRelocationModel() == Reloc::PIC_) {
- unsigned Format = 0;
-
- if (!is64Bit)
- // 32 bit targets always encode pointers as 4 bytes
- Format = DW_EH_PE_sdata4;
- else {
- // 64 bit targets encode pointers in 4 bytes iff:
- // - code model is small OR
- // - code model is medium and we're emitting externally visible symbols
- // or any code symbols
- if (CM == CodeModel::Small ||
- (CM == CodeModel::Medium && (Global ||
- Reason != DwarfEncoding::Data)))
- Format = DW_EH_PE_sdata4;
- else
- Format = DW_EH_PE_sdata8;
- }
-
- if (Global)
- Format |= DW_EH_PE_indirect;
-
- return (Format | DW_EH_PE_pcrel);
- } else {
- if (is64Bit &&
- (CM == CodeModel::Small ||
- (CM == CodeModel::Medium && Reason != DwarfEncoding::Data)))
- return DW_EH_PE_udata4;
- else
- return DW_EH_PE_absptr;
- }
-}
-
-
-unsigned
-X86COFFTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
- bool Global) const {
- CodeModel::Model CM = TM.getCodeModel();
- bool is64Bit = TM.getSubtarget<X86Subtarget>().is64Bit();
-
- if (TM.getRelocationModel() == Reloc::PIC_) {
- unsigned Format = 0;
-
- if (!is64Bit)
- // 32 bit targets always encode pointers as 4 bytes
- Format = DW_EH_PE_sdata4;
- else {
- // 64 bit targets encode pointers in 4 bytes iff:
- // - code model is small OR
- // - code model is medium and we're emitting externally visible symbols
- // or any code symbols
- if (CM == CodeModel::Small ||
- (CM == CodeModel::Medium && (Global ||
- Reason != DwarfEncoding::Data)))
- Format = DW_EH_PE_sdata4;
- else
- Format = DW_EH_PE_sdata8;
- }
-
- if (Global)
- Format |= DW_EH_PE_indirect;
-
- return (Format | DW_EH_PE_pcrel);
- }
-
- if (is64Bit &&
- (CM == CodeModel::Small ||
- (CM == CodeModel::Medium && Reason != DwarfEncoding::Data)))
- return DW_EH_PE_udata4;
- return DW_EH_PE_absptr;
-}
-
-
X86WinTargetAsmInfo::X86WinTargetAsmInfo(const X86TargetMachine &TM):
X86TargetAsmInfo<TargetAsmInfo>(TM) {
AlignmentIsInBytes = true;
- JumpTableDataSection = NULL;
SwitchToSectionDirective = "";
TextSectionStartSuffix = "\tSEGMENT PARA 'CODE'";
DataSectionStartSuffix = "\tSEGMENT PARA 'DATA'";
- SectionEndDirectiveSuffix = "\tends\n";
}
// Instantiate default implementation.