#include "llvm/MC/MCSectionCOFF.h"
#include "llvm/MC/MCSectionELF.h"
#include "llvm/MC/MCSectionMachO.h"
+#include "llvm/Support/COFF.h"
+
using namespace llvm;
static bool useCompactUnwind(const Triple &T) {
return false;
}
-void MCObjectFileInfo::InitMachOMCObjectFileInfo(Triple T) {
+void MCObjectFileInfo::initMachOMCObjectFileInfo(Triple T) {
// MachO
SupportsWeakOmittedEHFrame = false;
= Ctx->getMachOSection("__TEXT", "__const", 0,
SectionKind::getReadOnly());
- TextCoalSection
- = Ctx->getMachOSection("__TEXT", "__textcoal_nt",
- MachO::S_COALESCED |
- MachO::S_ATTR_PURE_INSTRUCTIONS,
- SectionKind::getText());
- ConstTextCoalSection
- = Ctx->getMachOSection("__TEXT", "__const_coal",
- MachO::S_COALESCED,
- SectionKind::getReadOnly());
+ // If the target is not powerpc, map the coal sections to the non-coal
+ // sections.
+ //
+ // "__TEXT/__textcoal_nt" => section "__TEXT/__text"
+ // "__TEXT/__const_coal" => section "__TEXT/__const"
+ // "__DATA/__datacoal_nt" => section "__DATA/__data"
+ Triple::ArchType ArchTy = T.getArch();
+
+ if (ArchTy == Triple::ppc || ArchTy == Triple::ppc64) {
+ TextCoalSection
+ = Ctx->getMachOSection("__TEXT", "__textcoal_nt",
+ MachO::S_COALESCED |
+ MachO::S_ATTR_PURE_INSTRUCTIONS,
+ SectionKind::getText());
+ ConstTextCoalSection
+ = Ctx->getMachOSection("__TEXT", "__const_coal",
+ MachO::S_COALESCED,
+ SectionKind::getReadOnly());
+ DataCoalSection
+ = Ctx->getMachOSection("__DATA","__datacoal_nt",
+ MachO::S_COALESCED,
+ SectionKind::getDataRel());
+ } else {
+ TextCoalSection = TextSection;
+ ConstTextCoalSection = ReadOnlySection;
+ DataCoalSection = DataSection;
+ }
+
ConstDataSection // .const_data
= Ctx->getMachOSection("__DATA", "__const", 0,
SectionKind::getReadOnlyWithRel());
- DataCoalSection
- = Ctx->getMachOSection("__DATA","__datacoal_nt",
- MachO::S_COALESCED,
- SectionKind::getDataRel());
DataCommonSection
= Ctx->getMachOSection("__DATA","__common",
MachO::S_ZEROFILL,
// Debug Information.
DwarfAccelNamesSection =
Ctx->getMachOSection("__DWARF", "__apple_names", MachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ SectionKind::getMetadata(), "names_begin");
DwarfAccelObjCSection =
Ctx->getMachOSection("__DWARF", "__apple_objc", MachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ SectionKind::getMetadata(), "objc_begin");
// 16 character section limit...
DwarfAccelNamespaceSection =
Ctx->getMachOSection("__DWARF", "__apple_namespac", MachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ SectionKind::getMetadata(), "namespac_begin");
DwarfAccelTypesSection =
Ctx->getMachOSection("__DWARF", "__apple_types", MachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ SectionKind::getMetadata(), "types_begin");
DwarfAbbrevSection =
Ctx->getMachOSection("__DWARF", "__debug_abbrev", MachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ SectionKind::getMetadata(), "section_abbrev");
DwarfInfoSection =
Ctx->getMachOSection("__DWARF", "__debug_info", MachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ SectionKind::getMetadata(), "section_info");
DwarfLineSection =
Ctx->getMachOSection("__DWARF", "__debug_line", MachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ SectionKind::getMetadata(), "section_line");
DwarfFrameSection =
Ctx->getMachOSection("__DWARF", "__debug_frame", MachO::S_ATTR_DEBUG,
SectionKind::getMetadata());
SectionKind::getMetadata());
DwarfStrSection =
Ctx->getMachOSection("__DWARF", "__debug_str", MachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ SectionKind::getMetadata(), "info_string");
DwarfLocSection =
Ctx->getMachOSection("__DWARF", "__debug_loc", MachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ SectionKind::getMetadata(), "section_debug_loc");
DwarfARangesSection =
Ctx->getMachOSection("__DWARF", "__debug_aranges", MachO::S_ATTR_DEBUG,
SectionKind::getMetadata());
DwarfRangesSection =
Ctx->getMachOSection("__DWARF", "__debug_ranges", MachO::S_ATTR_DEBUG,
- SectionKind::getMetadata());
+ SectionKind::getMetadata(), "debug_range");
DwarfDebugInlineSection =
Ctx->getMachOSection("__DWARF", "__debug_inlined", MachO::S_ATTR_DEBUG,
SectionKind::getMetadata());
StackMapSection = Ctx->getMachOSection("__LLVM_STACKMAPS", "__llvm_stackmaps",
0, SectionKind::getMetadata());
+ FaultMapSection = Ctx->getMachOSection("__LLVM_FAULTMAPS", "__llvm_faultmaps",
+ 0, SectionKind::getMetadata());
+
TLSExtraDataSection = TLSTLVSection;
}
-void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
+void MCObjectFileInfo::initELFMCObjectFileInfo(Triple T) {
switch (T.getArch()) {
case Triple::mips:
case Triple::mipsel:
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;
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.
+ // MIPS uses indirect pointer to refer personality functions and types, so
+ // that the eh_frame section can be read-only. DW.ref.personality will be
+ // generated for relocation.
PersonalityEncoding = dwarf::DW_EH_PE_indirect;
+ // FIXME: The N64 ABI probably ought to use DW_EH_PE_sdata8 but we can't
+ // identify N64 from just a triple.
+ TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
+ dwarf::DW_EH_PE_sdata4;
+ // We don't support PC-relative LSDA references in GAS so we use the default
+ // DW_EH_PE_absptr for those.
break;
case Triple::ppc64:
case Triple::ppc64le:
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_udata8;
break;
+ case Triple::sparcel:
case Triple::sparc:
if (RelocM == Reloc::PIC_) {
LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
EHSectionFlags |= ELF::SHF_WRITE;
}
-
// ELF
BSSSection = Ctx->getELFSection(".bss", ELF::SHT_NOBITS,
ELF::SHF_WRITE | ELF::SHF_ALLOC);
COFFDebugSymbolsSection = nullptr;
// Debug Info Sections.
- DwarfAbbrevSection =
- Ctx->getELFSection(".debug_abbrev", ELF::SHT_PROGBITS, 0);
- DwarfInfoSection = Ctx->getELFSection(".debug_info", ELF::SHT_PROGBITS, 0);
+ DwarfAbbrevSection = Ctx->getELFSection(".debug_abbrev", ELF::SHT_PROGBITS, 0,
+ "section_abbrev");
+ DwarfInfoSection =
+ 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 =
DwarfARangesSection =
Ctx->getELFSection(".debug_aranges", ELF::SHT_PROGBITS, 0);
DwarfRangesSection =
- Ctx->getELFSection(".debug_ranges", ELF::SHT_PROGBITS, 0);
+ 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);
+ Ctx->getELFSection(".apple_names", ELF::SHT_PROGBITS, 0, "names_begin");
DwarfAccelObjCSection =
- Ctx->getELFSection(".apple_objc", ELF::SHT_PROGBITS, 0);
- DwarfAccelNamespaceSection =
- Ctx->getELFSection(".apple_namespaces", ELF::SHT_PROGBITS, 0);
+ 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);
+ Ctx->getELFSection(".apple_types", ELF::SHT_PROGBITS, 0, "types_begin");
// Fission Sections
DwarfInfoDWOSection =
DwarfLineDWOSection =
Ctx->getELFSection(".debug_line.dwo", ELF::SHT_PROGBITS, 0);
DwarfLocDWOSection =
- Ctx->getELFSection(".debug_loc.dwo", ELF::SHT_PROGBITS, 0);
+ Ctx->getELFSection(".debug_loc.dwo", ELF::SHT_PROGBITS, 0, "skel_loc");
DwarfStrOffDWOSection =
Ctx->getELFSection(".debug_str_offsets.dwo", ELF::SHT_PROGBITS, 0);
- DwarfAddrSection = Ctx->getELFSection(".debug_addr", ELF::SHT_PROGBITS, 0);
+ DwarfAddrSection =
+ Ctx->getELFSection(".debug_addr", ELF::SHT_PROGBITS, 0, "addr_sec");
StackMapSection =
Ctx->getELFSection(".llvm_stackmaps", ELF::SHT_PROGBITS, ELF::SHF_ALLOC);
+
+ FaultMapSection =
+ Ctx->getELFSection(".llvm_faultmaps", ELF::SHT_PROGBITS, ELF::SHF_ALLOC);
}
-void MCObjectFileInfo::InitCOFFMCObjectFileInfo(Triple T) {
+void MCObjectFileInfo::initCOFFMCObjectFileInfo(Triple T) {
bool IsWoA = T.getArch() == Triple::arm || T.getArch() == Triple::thumb;
CommDirectiveSupportsAlignment = true;
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;
+ LSDASection = nullptr;
} else {
LSDASection = Ctx->getCOFFSection(".gcc_except_table",
COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
".debug_abbrev",
COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
+ 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());
+ 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());
+ SectionKind::getMetadata(), "section_line");
+
DwarfFrameSection = Ctx->getCOFFSection(
".debug_frame",
COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
".debug_str",
COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
+ 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());
+ SectionKind::getMetadata(), "section_debug_loc");
DwarfARangesSection = Ctx->getCOFFSection(
".debug_aranges",
COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
".debug_ranges",
COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
+ 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());
+ 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());
+ 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());
+ 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());
+ SectionKind::getMetadata(), "skel_string");
DwarfLineDWOSection = Ctx->getCOFFSection(
".debug_line.dwo",
COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
".debug_loc.dwo",
COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
+ SectionKind::getMetadata(), "skel_loc");
DwarfStrOffDWOSection = Ctx->getCOFFSection(
".debug_str_offsets.dwo",
COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
".debug_addr",
COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ,
- SectionKind::getMetadata());
+ 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());
+ 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());
+ 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());
+ 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());
+ SectionKind::getMetadata(), "objc_begin");
DrectveSection = Ctx->getCOFFSection(
".drectve", COFF::IMAGE_SCN_LNK_INFO | COFF::IMAGE_SCN_LNK_REMOVE,
".xdata", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ,
SectionKind::getDataRel());
+ SXDataSection = Ctx->getCOFFSection(".sxdata", COFF::IMAGE_SCN_LNK_INFO,
+ SectionKind::getMetadata());
+
TLSDataSection = Ctx->getCOFFSection(
".tls$", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ |
COFF::IMAGE_SCN_MEM_WRITE,
SectionKind::getDataRel());
+
+ StackMapSection = Ctx->getCOFFSection(".llvm_stackmaps",
+ COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getReadOnly());
}
-void MCObjectFileInfo::InitMCObjectFileInfo(StringRef T, Reloc::Model relocm,
+void MCObjectFileInfo::InitMCObjectFileInfo(const Triple &TheTriple,
+ Reloc::Model relocm,
CodeModel::Model cm,
MCContext &ctx) {
RelocM = relocm;
DwarfAccelNamespaceSection = nullptr; // Used only by selected targets.
DwarfAccelTypesSection = nullptr; // Used only by selected targets.
- TT = Triple(T);
+ TT = TheTriple;
Triple::ArchType Arch = TT.getArch();
// FIXME: Checking for Arch here to filter out bogus triples such as
Arch == Triple::aarch64 ||
Arch == Triple::ppc || Arch == Triple::ppc64 ||
Arch == Triple::UnknownArch) &&
- (TT.isOSDarwin() || TT.isOSBinFormatMachO())) {
+ TT.isOSBinFormatMachO()) {
Env = IsMachO;
- InitMachOMCObjectFileInfo(TT);
+ 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(TT);
+ initCOFFMCObjectFileInfo(TT);
} else {
Env = IsELF;
- InitELFMCObjectFileInfo(TT);
+ initELFMCObjectFileInfo(TT);
}
}
-const MCSection *MCObjectFileInfo::getDwarfTypesSection(uint64_t Hash) const {
+void MCObjectFileInfo::InitMCObjectFileInfo(StringRef TT, Reloc::Model RM,
+ CodeModel::Model CM,
+ MCContext &ctx) {
+ InitMCObjectFileInfo(Triple(TT), RM, CM, ctx);
+}
+
+MCSection *MCObjectFileInfo::getDwarfTypesSection(uint64_t Hash) const {
return Ctx->getELFSection(".debug_types", ELF::SHT_PROGBITS, ELF::SHF_GROUP,
0, utostr(Hash));
}
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