#include "llvm/MC/MCObjectFileInfo.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/Triple.h"
+#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCSectionCOFF.h"
#include "llvm/MC/MCSectionMachO.h"
using namespace llvm;
+static bool useCompactUnwind(const Triple &T) {
+ // Only on darwin.
+ if (!T.isOSDarwin())
+ return false;
+
+ // aarch64 always has it.
+ if (T.getArch() == Triple::aarch64)
+ return true;
+
+ // Use it on newer version of OS X.
+ if (T.isMacOSX() && !T.isMacOSXVersionLT(10, 6))
+ return true;
+
+ // And the iOS simulator.
+ if (T.isiOS() &&
+ (T.getArch() == Triple::x86_64 || T.getArch() == Triple::x86))
+ return true;
+
+ return false;
+}
+
void MCObjectFileInfo::InitMachOMCObjectFileInfo(Triple T) {
// MachO
- IsFunctionEHFrameSymbolPrivate = false;
SupportsWeakOmittedEHFrame = false;
+ if (T.isOSDarwin() && T.getArch() == Triple::aarch64)
+ SupportsCompactUnwindWithoutEHFrame = true;
+
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel
| dwarf::DW_EH_PE_sdata4;
- LSDAEncoding = FDEEncoding = FDECFIEncoding = dwarf::DW_EH_PE_pcrel;
+ LSDAEncoding = FDECFIEncoding = dwarf::DW_EH_PE_pcrel;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4;
TextSection // .text
= Ctx->getMachOSection("__TEXT", "__text",
- MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
+ MachO::S_ATTR_PURE_INSTRUCTIONS,
SectionKind::getText());
DataSection // .data
= Ctx->getMachOSection("__DATA", "__data", 0,
SectionKind::getDataRel());
// BSSSection might not be expected initialized on msvc.
- BSSSection = 0;
+ BSSSection = nullptr;
TLSDataSection // .tdata
= Ctx->getMachOSection("__DATA", "__thread_data",
- MCSectionMachO::S_THREAD_LOCAL_REGULAR,
+ MachO::S_THREAD_LOCAL_REGULAR,
SectionKind::getDataRel());
TLSBSSSection // .tbss
= Ctx->getMachOSection("__DATA", "__thread_bss",
- MCSectionMachO::S_THREAD_LOCAL_ZEROFILL,
+ MachO::S_THREAD_LOCAL_ZEROFILL,
SectionKind::getThreadBSS());
// TODO: Verify datarel below.
TLSTLVSection // .tlv
= Ctx->getMachOSection("__DATA", "__thread_vars",
- MCSectionMachO::S_THREAD_LOCAL_VARIABLES,
+ MachO::S_THREAD_LOCAL_VARIABLES,
SectionKind::getDataRel());
TLSThreadInitSection
= Ctx->getMachOSection("__DATA", "__thread_init",
- MCSectionMachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS,
+ MachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS,
SectionKind::getDataRel());
CStringSection // .cstring
= Ctx->getMachOSection("__TEXT", "__cstring",
- MCSectionMachO::S_CSTRING_LITERALS,
+ MachO::S_CSTRING_LITERALS,
SectionKind::getMergeable1ByteCString());
UStringSection
= Ctx->getMachOSection("__TEXT","__ustring", 0,
SectionKind::getMergeable2ByteCString());
FourByteConstantSection // .literal4
= Ctx->getMachOSection("__TEXT", "__literal4",
- MCSectionMachO::S_4BYTE_LITERALS,
+ MachO::S_4BYTE_LITERALS,
SectionKind::getMergeableConst4());
EightByteConstantSection // .literal8
= Ctx->getMachOSection("__TEXT", "__literal8",
- MCSectionMachO::S_8BYTE_LITERALS,
+ MachO::S_8BYTE_LITERALS,
SectionKind::getMergeableConst8());
SixteenByteConstantSection // .literal16
= Ctx->getMachOSection("__TEXT", "__literal16",
- MCSectionMachO::S_16BYTE_LITERALS,
+ MachO::S_16BYTE_LITERALS,
SectionKind::getMergeableConst16());
ReadOnlySection // .const
TextCoalSection
= Ctx->getMachOSection("__TEXT", "__textcoal_nt",
- MCSectionMachO::S_COALESCED |
- MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
+ MachO::S_COALESCED |
+ MachO::S_ATTR_PURE_INSTRUCTIONS,
SectionKind::getText());
ConstTextCoalSection
= Ctx->getMachOSection("__TEXT", "__const_coal",
- MCSectionMachO::S_COALESCED,
+ MachO::S_COALESCED,
SectionKind::getReadOnly());
ConstDataSection // .const_data
= Ctx->getMachOSection("__DATA", "__const", 0,
SectionKind::getReadOnlyWithRel());
DataCoalSection
= Ctx->getMachOSection("__DATA","__datacoal_nt",
- MCSectionMachO::S_COALESCED,
+ MachO::S_COALESCED,
SectionKind::getDataRel());
DataCommonSection
= Ctx->getMachOSection("__DATA","__common",
- MCSectionMachO::S_ZEROFILL,
+ MachO::S_ZEROFILL,
SectionKind::getBSS());
DataBSSSection
- = Ctx->getMachOSection("__DATA","__bss", MCSectionMachO::S_ZEROFILL,
+ = Ctx->getMachOSection("__DATA","__bss", MachO::S_ZEROFILL,
SectionKind::getBSS());
LazySymbolPointerSection
= Ctx->getMachOSection("__DATA", "__la_symbol_ptr",
- MCSectionMachO::S_LAZY_SYMBOL_POINTERS,
+ MachO::S_LAZY_SYMBOL_POINTERS,
SectionKind::getMetadata());
NonLazySymbolPointerSection
= Ctx->getMachOSection("__DATA", "__nl_symbol_ptr",
- MCSectionMachO::S_NON_LAZY_SYMBOL_POINTERS,
+ MachO::S_NON_LAZY_SYMBOL_POINTERS,
SectionKind::getMetadata());
if (RelocM == Reloc::Static) {
} else {
StaticCtorSection
= Ctx->getMachOSection("__DATA", "__mod_init_func",
- MCSectionMachO::S_MOD_INIT_FUNC_POINTERS,
+ MachO::S_MOD_INIT_FUNC_POINTERS,
SectionKind::getDataRel());
StaticDtorSection
= Ctx->getMachOSection("__DATA", "__mod_term_func",
- MCSectionMachO::S_MOD_TERM_FUNC_POINTERS,
+ MachO::S_MOD_TERM_FUNC_POINTERS,
SectionKind::getDataRel());
}
LSDASection = Ctx->getMachOSection("__TEXT", "__gcc_except_tab", 0,
SectionKind::getReadOnlyWithRel());
- COFFDebugSymbolsSection = 0;
+ COFFDebugSymbolsSection = nullptr;
- if (T.isMacOSX() && !T.isMacOSXVersionLT(10, 6)) {
+ if (useCompactUnwind(T)) {
CompactUnwindSection =
- Ctx->getMachOSection("__LD", "__compact_unwind",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getReadOnly());
+ Ctx->getMachOSection("__LD", "__compact_unwind", MachO::S_ATTR_DEBUG,
+ SectionKind::getReadOnly());
if (T.getArch() == Triple::x86_64 || T.getArch() == Triple::x86)
CompactUnwindDwarfEHFrameOnly = 0x04000000;
+ else if (T.getArch() == Triple::aarch64)
+ CompactUnwindDwarfEHFrameOnly = 0x03000000;
}
// Debug Information.
DwarfAccelNamesSection =
- Ctx->getMachOSection("__DWARF", "__apple_names",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__apple_names", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata(), "names_begin");
DwarfAccelObjCSection =
- Ctx->getMachOSection("__DWARF", "__apple_objc",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__apple_objc", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata(), "objc_begin");
// 16 character section limit...
DwarfAccelNamespaceSection =
- Ctx->getMachOSection("__DWARF", "__apple_namespac",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__apple_namespac", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata(), "namespac_begin");
DwarfAccelTypesSection =
- Ctx->getMachOSection("__DWARF", "__apple_types",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__apple_types", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata(), "types_begin");
DwarfAbbrevSection =
- Ctx->getMachOSection("__DWARF", "__debug_abbrev",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__debug_abbrev", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata(), "section_abbrev");
DwarfInfoSection =
- Ctx->getMachOSection("__DWARF", "__debug_info",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__debug_info", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata(), "section_info");
DwarfLineSection =
- Ctx->getMachOSection("__DWARF", "__debug_line",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__debug_line", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata(), "section_line");
DwarfFrameSection =
- Ctx->getMachOSection("__DWARF", "__debug_frame",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__debug_frame", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata());
DwarfPubNamesSection =
- Ctx->getMachOSection("__DWARF", "__debug_pubnames",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__debug_pubnames", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata());
DwarfPubTypesSection =
- Ctx->getMachOSection("__DWARF", "__debug_pubtypes",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__debug_pubtypes", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata());
DwarfGnuPubNamesSection =
- Ctx->getMachOSection("__DWARF", "__debug_gnu_pubn",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__debug_gnu_pubn", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata());
DwarfGnuPubTypesSection =
- Ctx->getMachOSection("__DWARF", "__debug_gnu_pubt",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__debug_gnu_pubt", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata());
DwarfStrSection =
- Ctx->getMachOSection("__DWARF", "__debug_str",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__debug_str", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata(), "info_string");
DwarfLocSection =
- Ctx->getMachOSection("__DWARF", "__debug_loc",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__debug_loc", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata(), "section_debug_loc");
DwarfARangesSection =
- Ctx->getMachOSection("__DWARF", "__debug_aranges",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__debug_aranges", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata());
DwarfRangesSection =
- Ctx->getMachOSection("__DWARF", "__debug_ranges",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
- DwarfMacroInfoSection =
- Ctx->getMachOSection("__DWARF", "__debug_macinfo",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__debug_ranges", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata(), "debug_range");
DwarfDebugInlineSection =
- Ctx->getMachOSection("__DWARF", "__debug_inlined",
- MCSectionMachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
- StackMapSection =
- Ctx->getMachOSection("__LLVM_STACKMAPS", "__llvm_stackmaps", 0,
- SectionKind::getMetadata());
+ Ctx->getMachOSection("__DWARF", "__debug_inlined", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata());
+ StackMapSection = Ctx->getMachOSection("__LLVM_STACKMAPS", "__llvm_stackmaps",
+ 0, SectionKind::getMetadata());
TLSExtraDataSection = TLSTLVSection;
}
void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
- if (T.getArch() == Triple::mips ||
- T.getArch() == Triple::mipsel)
+ switch (T.getArch()) {
+ case Triple::mips:
+ case Triple::mipsel:
FDECFIEncoding = dwarf::DW_EH_PE_sdata4;
- else if (T.getArch() == Triple::mips64 ||
- T.getArch() == Triple::mips64el)
+ break;
+ case Triple::mips64:
+ case Triple::mips64el:
FDECFIEncoding = dwarf::DW_EH_PE_sdata8;
- else
+ break;
+ case Triple::x86_64:
+ FDECFIEncoding = dwarf::DW_EH_PE_pcrel |
+ ((CMModel == CodeModel::Large) ? dwarf::DW_EH_PE_sdata8
+ : dwarf::DW_EH_PE_sdata4);
+
+ break;
+ default:
FDECFIEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
+ break;
+ }
- if (T.getArch() == Triple::x86) {
+ switch (T.getArch()) {
+ case Triple::arm:
+ case Triple::armeb:
+ case Triple::thumb:
+ case Triple::thumbeb:
+ if (Ctx->getAsmInfo()->getExceptionHandlingType() == ExceptionHandling::ARM)
+ break;
+ // Fallthrough if not using EHABI
+ case Triple::ppc:
+ case Triple::x86:
PersonalityEncoding = (RelocM == Reloc::PIC_)
? dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4
: dwarf::DW_EH_PE_absptr;
LSDAEncoding = (RelocM == Reloc::PIC_)
? dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4
: dwarf::DW_EH_PE_absptr;
- FDEEncoding = (RelocM == Reloc::PIC_)
- ? dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4
- : dwarf::DW_EH_PE_absptr;
TTypeEncoding = (RelocM == Reloc::PIC_)
? dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4
: dwarf::DW_EH_PE_absptr;
- } else if (T.getArch() == Triple::x86_64) {
+ break;
+ case Triple::x86_64:
if (RelocM == Reloc::PIC_) {
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
((CMModel == CodeModel::Small || CMModel == CodeModel::Medium)
LSDAEncoding = dwarf::DW_EH_PE_pcrel |
(CMModel == CodeModel::Small
? dwarf::DW_EH_PE_sdata4 : dwarf::DW_EH_PE_sdata8);
- FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
((CMModel == CodeModel::Small || CMModel == CodeModel::Medium)
? dwarf::DW_EH_PE_sdata4 : dwarf::DW_EH_PE_sdata8);
? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr;
LSDAEncoding = (CMModel == CodeModel::Small)
? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr;
- FDEEncoding = dwarf::DW_EH_PE_udata4;
TTypeEncoding = (CMModel == CodeModel::Small)
? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr;
}
- } else if (T.getArch() == Triple::aarch64) {
+ break;
+ case Triple::aarch64:
+ case Triple::aarch64_be:
// The small model guarantees static code/data size < 4GB, but not where it
// will be in memory. Most of these could end up >2GB away so even a signed
// pc-relative 32-bit address is insufficient, theoretically.
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata8;
LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8;
- FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata8;
} else {
PersonalityEncoding = dwarf::DW_EH_PE_absptr;
LSDAEncoding = dwarf::DW_EH_PE_absptr;
- FDEEncoding = dwarf::DW_EH_PE_udata4;
TTypeEncoding = dwarf::DW_EH_PE_absptr;
}
- } else if (T.getArch() == Triple::ppc64 || T.getArch() == Triple::ppc64le) {
+ break;
+ case Triple::mips:
+ case Triple::mipsel:
+ case Triple::mips64:
+ case Triple::mips64el:
+ // MIPS uses indirect pointer to refer personality functions, so that the
+ // eh_frame section can be read-only. DW.ref.personality will be generated
+ // for relocation.
+ PersonalityEncoding = dwarf::DW_EH_PE_indirect;
+ break;
+ case Triple::ppc64:
+ case Triple::ppc64le:
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_udata8;
LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8;
- FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_udata8;
- } else if (T.getArch() == Triple::sparc) {
+ break;
+ case Triple::sparcel:
+ case Triple::sparc:
if (RelocM == Reloc::PIC_) {
LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4;
- FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4;
} else {
LSDAEncoding = dwarf::DW_EH_PE_absptr;
PersonalityEncoding = dwarf::DW_EH_PE_absptr;
- FDEEncoding = dwarf::DW_EH_PE_udata4;
TTypeEncoding = dwarf::DW_EH_PE_absptr;
}
- } else if (T.getArch() == Triple::sparcv9) {
+ break;
+ case Triple::sparcv9:
LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
if (RelocM == Reloc::PIC_) {
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4;
- FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4;
} else {
PersonalityEncoding = dwarf::DW_EH_PE_absptr;
- FDEEncoding = dwarf::DW_EH_PE_udata4;
TTypeEncoding = dwarf::DW_EH_PE_absptr;
}
- } else if (T.getArch() == Triple::systemz) {
+ break;
+ case Triple::systemz:
// All currently-defined code models guarantee that 4-byte PC-relative
// values will be in range.
if (RelocM == Reloc::PIC_) {
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4;
LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
- FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4;
} else {
PersonalityEncoding = dwarf::DW_EH_PE_absptr;
LSDAEncoding = dwarf::DW_EH_PE_absptr;
- FDEEncoding = dwarf::DW_EH_PE_absptr;
TTypeEncoding = dwarf::DW_EH_PE_absptr;
}
+ break;
+ default:
+ break;
}
// Solaris requires different flags for .eh_frame to seemingly every other
// platform.
EHSectionType = ELF::SHT_PROGBITS;
EHSectionFlags = ELF::SHF_ALLOC;
- if (T.getOS() == Triple::Solaris) {
+ if (T.isOSSolaris()) {
if (T.getArch() == Triple::x86_64)
EHSectionType = ELF::SHT_X86_64_UNWIND;
else
// ELF
- BSSSection =
- Ctx->getELFSection(".bss", ELF::SHT_NOBITS,
- ELF::SHF_WRITE | ELF::SHF_ALLOC,
- SectionKind::getBSS());
-
- TextSection =
- Ctx->getELFSection(".text", ELF::SHT_PROGBITS,
- ELF::SHF_EXECINSTR |
- ELF::SHF_ALLOC,
- SectionKind::getText());
-
- DataSection =
- Ctx->getELFSection(".data", ELF::SHT_PROGBITS,
- ELF::SHF_WRITE |ELF::SHF_ALLOC,
- SectionKind::getDataRel());
+ BSSSection = Ctx->getELFSection(".bss", ELF::SHT_NOBITS,
+ ELF::SHF_WRITE | ELF::SHF_ALLOC);
+
+ TextSection = Ctx->getELFSection(".text", ELF::SHT_PROGBITS,
+ ELF::SHF_EXECINSTR | ELF::SHF_ALLOC);
+
+ DataSection = Ctx->getELFSection(".data", ELF::SHT_PROGBITS,
+ ELF::SHF_WRITE | ELF::SHF_ALLOC);
ReadOnlySection =
- Ctx->getELFSection(".rodata", ELF::SHT_PROGBITS,
- ELF::SHF_ALLOC,
- SectionKind::getReadOnly());
+ Ctx->getELFSection(".rodata", ELF::SHT_PROGBITS, ELF::SHF_ALLOC);
TLSDataSection =
- Ctx->getELFSection(".tdata", ELF::SHT_PROGBITS,
- ELF::SHF_ALLOC | ELF::SHF_TLS |
- ELF::SHF_WRITE,
- SectionKind::getThreadData());
-
- TLSBSSSection =
- Ctx->getELFSection(".tbss", ELF::SHT_NOBITS,
- ELF::SHF_ALLOC | ELF::SHF_TLS |
- ELF::SHF_WRITE,
- SectionKind::getThreadBSS());
-
- DataRelSection =
- Ctx->getELFSection(".data.rel", ELF::SHT_PROGBITS,
- ELF::SHF_ALLOC |ELF::SHF_WRITE,
- SectionKind::getDataRel());
-
- DataRelLocalSection =
- Ctx->getELFSection(".data.rel.local", ELF::SHT_PROGBITS,
- ELF::SHF_ALLOC |ELF::SHF_WRITE,
- SectionKind::getDataRelLocal());
-
- DataRelROSection =
- Ctx->getELFSection(".data.rel.ro", ELF::SHT_PROGBITS,
- ELF::SHF_ALLOC |ELF::SHF_WRITE,
- SectionKind::getReadOnlyWithRel());
-
- DataRelROLocalSection =
- Ctx->getELFSection(".data.rel.ro.local", ELF::SHT_PROGBITS,
- ELF::SHF_ALLOC |ELF::SHF_WRITE,
- SectionKind::getReadOnlyWithRelLocal());
+ Ctx->getELFSection(".tdata", ELF::SHT_PROGBITS,
+ ELF::SHF_ALLOC | ELF::SHF_TLS | ELF::SHF_WRITE);
+
+ TLSBSSSection = Ctx->getELFSection(
+ ".tbss", ELF::SHT_NOBITS, ELF::SHF_ALLOC | ELF::SHF_TLS | ELF::SHF_WRITE);
+
+ DataRelSection = Ctx->getELFSection(".data.rel", ELF::SHT_PROGBITS,
+ ELF::SHF_ALLOC | ELF::SHF_WRITE);
+
+ DataRelLocalSection = Ctx->getELFSection(".data.rel.local", ELF::SHT_PROGBITS,
+ ELF::SHF_ALLOC | ELF::SHF_WRITE);
+
+ DataRelROSection = Ctx->getELFSection(".data.rel.ro", ELF::SHT_PROGBITS,
+ ELF::SHF_ALLOC | ELF::SHF_WRITE);
+
+ DataRelROLocalSection = Ctx->getELFSection(
+ ".data.rel.ro.local", ELF::SHT_PROGBITS, ELF::SHF_ALLOC | ELF::SHF_WRITE);
MergeableConst4Section =
- Ctx->getELFSection(".rodata.cst4", ELF::SHT_PROGBITS,
- ELF::SHF_ALLOC |ELF::SHF_MERGE,
- SectionKind::getMergeableConst4());
+ Ctx->getELFSection(".rodata.cst4", ELF::SHT_PROGBITS,
+ ELF::SHF_ALLOC | ELF::SHF_MERGE, 4, "");
MergeableConst8Section =
- Ctx->getELFSection(".rodata.cst8", ELF::SHT_PROGBITS,
- ELF::SHF_ALLOC |ELF::SHF_MERGE,
- SectionKind::getMergeableConst8());
+ Ctx->getELFSection(".rodata.cst8", ELF::SHT_PROGBITS,
+ ELF::SHF_ALLOC | ELF::SHF_MERGE, 8, "");
MergeableConst16Section =
- Ctx->getELFSection(".rodata.cst16", ELF::SHT_PROGBITS,
- ELF::SHF_ALLOC |ELF::SHF_MERGE,
- SectionKind::getMergeableConst16());
+ Ctx->getELFSection(".rodata.cst16", ELF::SHT_PROGBITS,
+ ELF::SHF_ALLOC | ELF::SHF_MERGE, 16, "");
- StaticCtorSection =
- Ctx->getELFSection(".ctors", ELF::SHT_PROGBITS,
- ELF::SHF_ALLOC |ELF::SHF_WRITE,
- SectionKind::getDataRel());
+ StaticCtorSection = Ctx->getELFSection(".ctors", ELF::SHT_PROGBITS,
+ ELF::SHF_ALLOC | ELF::SHF_WRITE);
- StaticDtorSection =
- Ctx->getELFSection(".dtors", ELF::SHT_PROGBITS,
- ELF::SHF_ALLOC |ELF::SHF_WRITE,
- SectionKind::getDataRel());
+ StaticDtorSection = Ctx->getELFSection(".dtors", ELF::SHT_PROGBITS,
+ ELF::SHF_ALLOC | ELF::SHF_WRITE);
// Exception Handling Sections.
// it contains relocatable pointers. In PIC mode, this is probably a big
// runtime hit for C++ apps. Either the contents of the LSDA need to be
// adjusted or this should be a data section.
- LSDASection =
- Ctx->getELFSection(".gcc_except_table", ELF::SHT_PROGBITS,
- ELF::SHF_ALLOC,
- SectionKind::getReadOnly());
+ LSDASection = Ctx->getELFSection(".gcc_except_table", ELF::SHT_PROGBITS,
+ ELF::SHF_ALLOC);
- COFFDebugSymbolsSection = 0;
+ COFFDebugSymbolsSection = nullptr;
// Debug Info Sections.
- DwarfAbbrevSection =
- Ctx->getELFSection(".debug_abbrev", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ DwarfAbbrevSection = Ctx->getELFSection(".debug_abbrev", ELF::SHT_PROGBITS, 0,
+ "section_abbrev");
DwarfInfoSection =
- Ctx->getELFSection(".debug_info", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
- DwarfLineSection =
- Ctx->getELFSection(".debug_line", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
- DwarfFrameSection =
- Ctx->getELFSection(".debug_frame", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".debug_info", ELF::SHT_PROGBITS, 0, "section_info");
+ DwarfLineSection = Ctx->getELFSection(".debug_line", ELF::SHT_PROGBITS, 0);
+ DwarfFrameSection = Ctx->getELFSection(".debug_frame", ELF::SHT_PROGBITS, 0);
DwarfPubNamesSection =
- Ctx->getELFSection(".debug_pubnames", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".debug_pubnames", ELF::SHT_PROGBITS, 0);
DwarfPubTypesSection =
- Ctx->getELFSection(".debug_pubtypes", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".debug_pubtypes", ELF::SHT_PROGBITS, 0);
DwarfGnuPubNamesSection =
- Ctx->getELFSection(".debug_gnu_pubnames", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".debug_gnu_pubnames", ELF::SHT_PROGBITS, 0);
DwarfGnuPubTypesSection =
- Ctx->getELFSection(".debug_gnu_pubtypes", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".debug_gnu_pubtypes", ELF::SHT_PROGBITS, 0);
DwarfStrSection =
- Ctx->getELFSection(".debug_str", ELF::SHT_PROGBITS,
- ELF::SHF_MERGE | ELF::SHF_STRINGS,
- SectionKind::getMergeable1ByteCString());
- DwarfLocSection =
- Ctx->getELFSection(".debug_loc", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".debug_str", ELF::SHT_PROGBITS,
+ ELF::SHF_MERGE | ELF::SHF_STRINGS, 1, "");
+ DwarfLocSection = Ctx->getELFSection(".debug_loc", ELF::SHT_PROGBITS, 0);
DwarfARangesSection =
- Ctx->getELFSection(".debug_aranges", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".debug_aranges", ELF::SHT_PROGBITS, 0);
DwarfRangesSection =
- Ctx->getELFSection(".debug_ranges", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
- DwarfMacroInfoSection =
- Ctx->getELFSection(".debug_macinfo", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".debug_ranges", ELF::SHT_PROGBITS, 0, "debug_range");
// DWARF5 Experimental Debug Info
// Accelerator Tables
DwarfAccelNamesSection =
- Ctx->getELFSection(".apple_names", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".apple_names", ELF::SHT_PROGBITS, 0, "names_begin");
DwarfAccelObjCSection =
- Ctx->getELFSection(".apple_objc", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
- DwarfAccelNamespaceSection =
- Ctx->getELFSection(".apple_namespaces", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".apple_objc", ELF::SHT_PROGBITS, 0, "objc_begin");
+ DwarfAccelNamespaceSection = Ctx->getELFSection(
+ ".apple_namespaces", ELF::SHT_PROGBITS, 0, "namespac_begin");
DwarfAccelTypesSection =
- Ctx->getELFSection(".apple_types", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".apple_types", ELF::SHT_PROGBITS, 0, "types_begin");
// Fission Sections
DwarfInfoDWOSection =
- Ctx->getELFSection(".debug_info.dwo", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".debug_info.dwo", ELF::SHT_PROGBITS, 0);
+ DwarfTypesDWOSection =
+ Ctx->getELFSection(".debug_types.dwo", ELF::SHT_PROGBITS, 0);
DwarfAbbrevDWOSection =
- Ctx->getELFSection(".debug_abbrev.dwo", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".debug_abbrev.dwo", ELF::SHT_PROGBITS, 0);
DwarfStrDWOSection =
- Ctx->getELFSection(".debug_str.dwo", ELF::SHT_PROGBITS,
- ELF::SHF_MERGE | ELF::SHF_STRINGS,
- SectionKind::getMergeable1ByteCString());
+ Ctx->getELFSection(".debug_str.dwo", ELF::SHT_PROGBITS,
+ ELF::SHF_MERGE | ELF::SHF_STRINGS, 1, "");
DwarfLineDWOSection =
- Ctx->getELFSection(".debug_line.dwo", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".debug_line.dwo", ELF::SHT_PROGBITS, 0);
DwarfLocDWOSection =
- Ctx->getELFSection(".debug_loc.dwo", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".debug_loc.dwo", ELF::SHT_PROGBITS, 0, "skel_loc");
DwarfStrOffDWOSection =
- Ctx->getELFSection(".debug_str_offsets.dwo", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
+ Ctx->getELFSection(".debug_str_offsets.dwo", ELF::SHT_PROGBITS, 0);
DwarfAddrSection =
- Ctx->getELFSection(".debug_addr", ELF::SHT_PROGBITS, 0,
- SectionKind::getMetadata());
-}
+ Ctx->getELFSection(".debug_addr", ELF::SHT_PROGBITS, 0, "addr_sec");
+ StackMapSection =
+ Ctx->getELFSection(".llvm_stackmaps", ELF::SHT_PROGBITS, ELF::SHF_ALLOC);
+}
void MCObjectFileInfo::InitCOFFMCObjectFileInfo(Triple T) {
- // COFF
- BSSSection =
- Ctx->getCOFFSection(".bss",
- COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA |
- COFF::IMAGE_SCN_MEM_READ |
- COFF::IMAGE_SCN_MEM_WRITE,
- SectionKind::getBSS());
- TextSection =
- Ctx->getCOFFSection(".text",
- COFF::IMAGE_SCN_CNT_CODE |
- COFF::IMAGE_SCN_MEM_EXECUTE |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getText());
- DataSection =
- Ctx->getCOFFSection(".data",
- COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
- COFF::IMAGE_SCN_MEM_READ |
- COFF::IMAGE_SCN_MEM_WRITE,
- SectionKind::getDataRel());
- ReadOnlySection =
- Ctx->getCOFFSection(".rdata",
- COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getReadOnly());
- if (T.getOS() == Triple::Win32) {
- StaticCtorSection =
- Ctx->getCOFFSection(".CRT$XCU",
- COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getReadOnly());
- } else {
- StaticCtorSection =
- Ctx->getCOFFSection(".ctors",
- COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
- COFF::IMAGE_SCN_MEM_READ |
- COFF::IMAGE_SCN_MEM_WRITE,
- SectionKind::getDataRel());
- }
+ bool IsWoA = T.getArch() == Triple::arm || T.getArch() == Triple::thumb;
+ CommDirectiveSupportsAlignment = true;
- if (T.getOS() == Triple::Win32) {
+ // COFF
+ BSSSection = Ctx->getCOFFSection(
+ ".bss", COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ | COFF::IMAGE_SCN_MEM_WRITE,
+ SectionKind::getBSS());
+ TextSection = Ctx->getCOFFSection(
+ ".text",
+ (IsWoA ? COFF::IMAGE_SCN_MEM_16BIT : (COFF::SectionCharacteristics)0) |
+ COFF::IMAGE_SCN_CNT_CODE | COFF::IMAGE_SCN_MEM_EXECUTE |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getText());
+ DataSection = Ctx->getCOFFSection(
+ ".data", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ |
+ COFF::IMAGE_SCN_MEM_WRITE,
+ SectionKind::getDataRel());
+ ReadOnlySection = Ctx->getCOFFSection(
+ ".rdata", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getReadOnly());
+
+ if (T.isKnownWindowsMSVCEnvironment() || T.isWindowsItaniumEnvironment()) {
+ StaticCtorSection =
+ Ctx->getCOFFSection(".CRT$XCU", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getReadOnly());
StaticDtorSection =
- Ctx->getCOFFSection(".CRT$XTX",
- COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getReadOnly());
+ Ctx->getCOFFSection(".CRT$XTX", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getReadOnly());
} else {
- StaticDtorSection =
- Ctx->getCOFFSection(".dtors",
- COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
- COFF::IMAGE_SCN_MEM_READ |
- COFF::IMAGE_SCN_MEM_WRITE,
- SectionKind::getDataRel());
+ StaticCtorSection = Ctx->getCOFFSection(
+ ".ctors", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ | COFF::IMAGE_SCN_MEM_WRITE,
+ SectionKind::getDataRel());
+ StaticDtorSection = Ctx->getCOFFSection(
+ ".dtors", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ | COFF::IMAGE_SCN_MEM_WRITE,
+ SectionKind::getDataRel());
}
// FIXME: We're emitting LSDA info into a readonly section on COFF, even
// though it contains relocatable pointers. In PIC mode, this is probably a
// big runtime hit for C++ apps. Either the contents of the LSDA need to be
// adjusted or this should be a data section.
- LSDASection =
- Ctx->getCOFFSection(".gcc_except_table",
- COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getReadOnly());
+ assert(T.isOSWindows() && "Windows is the only supported COFF target");
+ if (T.getArch() == Triple::x86_64) {
+ // On Windows 64 with SEH, the LSDA is emitted into the .xdata section
+ LSDASection = 0;
+ } else {
+ LSDASection = Ctx->getCOFFSection(".gcc_except_table",
+ COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getReadOnly());
+ }
// Debug info.
COFFDebugSymbolsSection =
- Ctx->getCOFFSection(".debug$S",
- COFF::IMAGE_SCN_MEM_DISCARDABLE |
- COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
-
- DwarfAbbrevSection =
- Ctx->getCOFFSection(".debug_abbrev",
- COFF::IMAGE_SCN_MEM_DISCARDABLE |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
- DwarfInfoSection =
- Ctx->getCOFFSection(".debug_info",
- COFF::IMAGE_SCN_MEM_DISCARDABLE |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
- DwarfLineSection =
- Ctx->getCOFFSection(".debug_line",
- COFF::IMAGE_SCN_MEM_DISCARDABLE |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
- DwarfFrameSection =
- Ctx->getCOFFSection(".debug_frame",
- COFF::IMAGE_SCN_MEM_DISCARDABLE |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
- DwarfPubNamesSection =
- Ctx->getCOFFSection(".debug_pubnames",
- COFF::IMAGE_SCN_MEM_DISCARDABLE |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
- DwarfPubTypesSection =
- Ctx->getCOFFSection(".debug_pubtypes",
- COFF::IMAGE_SCN_MEM_DISCARDABLE |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
- DwarfGnuPubNamesSection =
- Ctx->getCOFFSection(".debug_gnu_pubnames",
- COFF::IMAGE_SCN_MEM_DISCARDABLE |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
- DwarfGnuPubTypesSection =
- Ctx->getCOFFSection(".debug_gnu_pubtypes",
- COFF::IMAGE_SCN_MEM_DISCARDABLE |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
- DwarfStrSection =
- Ctx->getCOFFSection(".debug_str",
- COFF::IMAGE_SCN_MEM_DISCARDABLE |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
- DwarfLocSection =
- Ctx->getCOFFSection(".debug_loc",
- COFF::IMAGE_SCN_MEM_DISCARDABLE |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
- DwarfARangesSection =
- Ctx->getCOFFSection(".debug_aranges",
- COFF::IMAGE_SCN_MEM_DISCARDABLE |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
- DwarfRangesSection =
- Ctx->getCOFFSection(".debug_ranges",
- COFF::IMAGE_SCN_MEM_DISCARDABLE |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
- DwarfMacroInfoSection =
- Ctx->getCOFFSection(".debug_macinfo",
- COFF::IMAGE_SCN_MEM_DISCARDABLE |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
-
- DrectveSection =
- Ctx->getCOFFSection(".drectve",
- COFF::IMAGE_SCN_LNK_INFO,
- SectionKind::getMetadata());
-
- PDataSection =
- Ctx->getCOFFSection(".pdata",
- COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getDataRel());
-
- XDataSection =
- Ctx->getCOFFSection(".xdata",
- COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
- COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getDataRel());
- TLSDataSection =
- Ctx->getCOFFSection(".tls$",
- COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
- COFF::IMAGE_SCN_MEM_READ |
- COFF::IMAGE_SCN_MEM_WRITE,
- SectionKind::getDataRel());
+ Ctx->getCOFFSection(".debug$S", COFF::IMAGE_SCN_MEM_DISCARDABLE |
+ COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata());
+
+ DwarfAbbrevSection = Ctx->getCOFFSection(
+ ".debug_abbrev",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "section_abbrev");
+ DwarfInfoSection = Ctx->getCOFFSection(
+ ".debug_info",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "section_info");
+ DwarfLineSection = Ctx->getCOFFSection(
+ ".debug_line",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "section_line");
+
+ DwarfFrameSection = Ctx->getCOFFSection(
+ ".debug_frame",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata());
+ DwarfPubNamesSection = Ctx->getCOFFSection(
+ ".debug_pubnames",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata());
+ DwarfPubTypesSection = Ctx->getCOFFSection(
+ ".debug_pubtypes",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata());
+ DwarfGnuPubNamesSection = Ctx->getCOFFSection(
+ ".debug_gnu_pubnames",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata());
+ DwarfGnuPubTypesSection = Ctx->getCOFFSection(
+ ".debug_gnu_pubtypes",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata());
+ DwarfStrSection = Ctx->getCOFFSection(
+ ".debug_str",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "info_string");
+ DwarfLocSection = Ctx->getCOFFSection(
+ ".debug_loc",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "section_debug_loc");
+ DwarfARangesSection = Ctx->getCOFFSection(
+ ".debug_aranges",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata());
+ DwarfRangesSection = Ctx->getCOFFSection(
+ ".debug_ranges",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "debug_range");
+ DwarfInfoDWOSection = Ctx->getCOFFSection(
+ ".debug_info.dwo",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "section_info_dwo");
+ DwarfTypesDWOSection = Ctx->getCOFFSection(
+ ".debug_types.dwo",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "section_types_dwo");
+ DwarfAbbrevDWOSection = Ctx->getCOFFSection(
+ ".debug_abbrev.dwo",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "section_abbrev_dwo");
+ DwarfStrDWOSection = Ctx->getCOFFSection(
+ ".debug_str.dwo",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "skel_string");
+ DwarfLineDWOSection = Ctx->getCOFFSection(
+ ".debug_line.dwo",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata());
+ DwarfLocDWOSection = Ctx->getCOFFSection(
+ ".debug_loc.dwo",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "skel_loc");
+ DwarfStrOffDWOSection = Ctx->getCOFFSection(
+ ".debug_str_offsets.dwo",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata());
+ DwarfAddrSection = Ctx->getCOFFSection(
+ ".debug_addr",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "addr_sec");
+ DwarfAccelNamesSection = Ctx->getCOFFSection(
+ ".apple_names",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "names_begin");
+ DwarfAccelNamespaceSection = Ctx->getCOFFSection(
+ ".apple_namespaces",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "namespac_begin");
+ DwarfAccelTypesSection = Ctx->getCOFFSection(
+ ".apple_types",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "types_begin");
+ DwarfAccelObjCSection = Ctx->getCOFFSection(
+ ".apple_objc",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "objc_begin");
+
+ DrectveSection = Ctx->getCOFFSection(
+ ".drectve", COFF::IMAGE_SCN_LNK_INFO | COFF::IMAGE_SCN_LNK_REMOVE,
+ SectionKind::getMetadata());
+
+ PDataSection = Ctx->getCOFFSection(
+ ".pdata", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getDataRel());
+
+ XDataSection = Ctx->getCOFFSection(
+ ".xdata", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getDataRel());
+
+ TLSDataSection = Ctx->getCOFFSection(
+ ".tls$", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ |
+ COFF::IMAGE_SCN_MEM_WRITE,
+ SectionKind::getDataRel());
}
-void MCObjectFileInfo::InitMCObjectFileInfo(StringRef TT, Reloc::Model relocm,
+void MCObjectFileInfo::InitMCObjectFileInfo(StringRef T, Reloc::Model relocm,
CodeModel::Model cm,
MCContext &ctx) {
RelocM = relocm;
// Common.
CommDirectiveSupportsAlignment = true;
SupportsWeakOmittedEHFrame = true;
- IsFunctionEHFrameSymbolPrivate = true;
+ SupportsCompactUnwindWithoutEHFrame = false;
- PersonalityEncoding = LSDAEncoding = FDEEncoding = FDECFIEncoding =
- TTypeEncoding = dwarf::DW_EH_PE_absptr;
+ PersonalityEncoding = LSDAEncoding = FDECFIEncoding = TTypeEncoding =
+ dwarf::DW_EH_PE_absptr;
CompactUnwindDwarfEHFrameOnly = 0;
- EHFrameSection = 0; // Created on demand.
- CompactUnwindSection = 0; // Used only by selected targets.
- DwarfAccelNamesSection = 0; // Used only by selected targets.
- DwarfAccelObjCSection = 0; // Used only by selected targets.
- DwarfAccelNamespaceSection = 0; // Used only by selected targets.
- DwarfAccelTypesSection = 0; // Used only by selected targets.
+ EHFrameSection = nullptr; // Created on demand.
+ CompactUnwindSection = nullptr; // Used only by selected targets.
+ DwarfAccelNamesSection = nullptr; // Used only by selected targets.
+ DwarfAccelObjCSection = nullptr; // Used only by selected targets.
+ DwarfAccelNamespaceSection = nullptr; // Used only by selected targets.
+ DwarfAccelTypesSection = nullptr; // Used only by selected targets.
+
+ TT = Triple(T);
- Triple T(TT);
- Triple::ArchType Arch = T.getArch();
+ Triple::ArchType Arch = TT.getArch();
// FIXME: Checking for Arch here to filter out bogus triples such as
// cellspu-apple-darwin. Perhaps we should fix in Triple?
if ((Arch == Triple::x86 || Arch == Triple::x86_64 ||
Arch == Triple::arm || Arch == Triple::thumb ||
+ Arch == Triple::aarch64 ||
Arch == Triple::ppc || Arch == Triple::ppc64 ||
Arch == Triple::UnknownArch) &&
- (T.isOSDarwin() || T.isOSBinFormatMachO())) {
+ TT.isOSBinFormatMachO()) {
Env = IsMachO;
- InitMachOMCObjectFileInfo(T);
- } else if ((Arch == Triple::x86 || Arch == Triple::x86_64) &&
- T.getObjectFormat() != Triple::ELF && T.isOSWindows()) {
+ InitMachOMCObjectFileInfo(TT);
+ } else if ((Arch == Triple::x86 || Arch == Triple::x86_64 ||
+ Arch == Triple::arm || Arch == Triple::thumb) &&
+ (TT.isOSWindows() && TT.getObjectFormat() == Triple::COFF)) {
Env = IsCOFF;
- InitCOFFMCObjectFileInfo(T);
+ InitCOFFMCObjectFileInfo(TT);
} else {
Env = IsELF;
- InitELFMCObjectFileInfo(T);
+ InitELFMCObjectFileInfo(TT);
}
}
-const MCSection *MCObjectFileInfo::getDwarfTypesSection(uint64_t Hash) const {
+MCSection *MCObjectFileInfo::getDwarfTypesSection(uint64_t Hash) const {
return Ctx->getELFSection(".debug_types", ELF::SHT_PROGBITS, ELF::SHF_GROUP,
- SectionKind::getMetadata(), 0, utostr(Hash));
-}
-
-const MCSection *
-MCObjectFileInfo::getDwarfTypesDWOSection(uint64_t Hash) const {
- return Ctx->getELFSection(".debug_types.dwo", ELF::SHT_PROGBITS,
- ELF::SHF_GROUP, SectionKind::getMetadata(), 0,
- utostr(Hash));
+ 0, utostr(Hash));
}
void MCObjectFileInfo::InitEHFrameSection() {
if (Env == IsMachO)
EHFrameSection =
Ctx->getMachOSection("__TEXT", "__eh_frame",
- MCSectionMachO::S_COALESCED |
- MCSectionMachO::S_ATTR_NO_TOC |
- MCSectionMachO::S_ATTR_STRIP_STATIC_SYMS |
- MCSectionMachO::S_ATTR_LIVE_SUPPORT,
+ MachO::S_COALESCED |
+ MachO::S_ATTR_NO_TOC |
+ MachO::S_ATTR_STRIP_STATIC_SYMS |
+ MachO::S_ATTR_LIVE_SUPPORT,
SectionKind::getReadOnly());
else if (Env == IsELF)
EHFrameSection =
- Ctx->getELFSection(".eh_frame", EHSectionType,
- EHSectionFlags,
- SectionKind::getDataRel());
+ Ctx->getELFSection(".eh_frame", EHSectionType, EHSectionFlags);
else
EHFrameSection =
Ctx->getCOFFSection(".eh_frame",
projects / oota-llvm.git / blobdiff