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Diffstat (limited to 'lib/MC/MCObjectFileInfo.cpp')
-rw-r--r--lib/MC/MCObjectFileInfo.cpp93
1 files changed, 78 insertions, 15 deletions
diff --git a/lib/MC/MCObjectFileInfo.cpp b/lib/MC/MCObjectFileInfo.cpp
index a6b5c43f1d2a..29d34a8c1e3e 100644
--- a/lib/MC/MCObjectFileInfo.cpp
+++ b/lib/MC/MCObjectFileInfo.cpp
@@ -135,6 +135,10 @@ void MCObjectFileInfo::initMachOMCObjectFileInfo(const Triple &T) {
// "__DATA/__datacoal_nt" => section "__DATA/__data"
Triple::ArchType ArchTy = T.getArch();
+ ConstDataSection // .const_data
+ = Ctx->getMachOSection("__DATA", "__const", 0,
+ SectionKind::getReadOnlyWithRel());
+
if (ArchTy == Triple::ppc || ArchTy == Triple::ppc64) {
TextCoalSection
= Ctx->getMachOSection("__TEXT", "__textcoal_nt",
@@ -147,15 +151,14 @@ void MCObjectFileInfo::initMachOMCObjectFileInfo(const Triple &T) {
SectionKind::getReadOnly());
DataCoalSection = Ctx->getMachOSection(
"__DATA", "__datacoal_nt", MachO::S_COALESCED, SectionKind::getData());
+ ConstDataCoalSection = DataCoalSection;
} else {
TextCoalSection = TextSection;
ConstTextCoalSection = ReadOnlySection;
DataCoalSection = DataSection;
+ ConstDataCoalSection = ConstDataSection;
}
- ConstDataSection // .const_data
- = Ctx->getMachOSection("__DATA", "__const", 0,
- SectionKind::getReadOnlyWithRel());
DataCommonSection
= Ctx->getMachOSection("__DATA","__common",
MachO::S_ZEROFILL,
@@ -201,6 +204,9 @@ void MCObjectFileInfo::initMachOMCObjectFileInfo(const Triple &T) {
}
// Debug Information.
+ DwarfDebugNamesSection =
+ Ctx->getMachOSection("__DWARF", "__debug_names", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata(), "debug_names_begin");
DwarfAccelNamesSection =
Ctx->getMachOSection("__DWARF", "__apple_names", MachO::S_ATTR_DEBUG,
SectionKind::getMetadata(), "names_begin");
@@ -228,6 +234,9 @@ void MCObjectFileInfo::initMachOMCObjectFileInfo(const Triple &T) {
DwarfLineSection =
Ctx->getMachOSection("__DWARF", "__debug_line", MachO::S_ATTR_DEBUG,
SectionKind::getMetadata(), "section_line");
+ DwarfLineStrSection =
+ Ctx->getMachOSection("__DWARF", "__debug_line_str", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata(), "section_line_str");
DwarfFrameSection =
Ctx->getMachOSection("__DWARF", "__debug_frame", MachO::S_ATTR_DEBUG,
SectionKind::getMetadata());
@@ -258,6 +267,9 @@ void MCObjectFileInfo::initMachOMCObjectFileInfo(const Triple &T) {
DwarfRangesSection =
Ctx->getMachOSection("__DWARF", "__debug_ranges", MachO::S_ATTR_DEBUG,
SectionKind::getMetadata(), "debug_range");
+ DwarfRnglistsSection =
+ Ctx->getMachOSection("__DWARF", "__debug_rnglists", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata(), "debug_range");
DwarfMacinfoSection =
Ctx->getMachOSection("__DWARF", "__debug_macinfo", MachO::S_ATTR_DEBUG,
SectionKind::getMetadata(), "debug_macinfo");
@@ -289,6 +301,8 @@ void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T, bool Large) {
case Triple::mips64el:
FDECFIEncoding = dwarf::DW_EH_PE_sdata8;
break;
+ case Triple::ppc64:
+ case Triple::ppc64le:
case Triple::x86_64:
FDECFIEncoding = dwarf::DW_EH_PE_pcrel |
(Large ? dwarf::DW_EH_PE_sdata8 : dwarf::DW_EH_PE_sdata4);
@@ -518,8 +532,7 @@ void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T, bool Large) {
// MIPS .debug_* sections should have SHT_MIPS_DWARF section type
// to distinguish among sections contain DWARF and ECOFF debug formats.
// Sections with ECOFF debug format are obsoleted and marked by SHT_PROGBITS.
- if (T.getArch() == Triple::mips || T.getArch() == Triple::mipsel ||
- T.getArch() == Triple::mips64 || T.getArch() == Triple::mips64el)
+ if (T.isMIPS())
DebugSecType = ELF::SHT_MIPS_DWARF;
// Debug Info Sections.
@@ -527,6 +540,9 @@ void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T, bool Large) {
Ctx->getELFSection(".debug_abbrev", DebugSecType, 0);
DwarfInfoSection = Ctx->getELFSection(".debug_info", DebugSecType, 0);
DwarfLineSection = Ctx->getELFSection(".debug_line", DebugSecType, 0);
+ DwarfLineStrSection =
+ Ctx->getELFSection(".debug_line_str", DebugSecType,
+ ELF::SHF_MERGE | ELF::SHF_STRINGS, 1, "");
DwarfFrameSection = Ctx->getELFSection(".debug_frame", DebugSecType, 0);
DwarfPubNamesSection =
Ctx->getELFSection(".debug_pubnames", DebugSecType, 0);
@@ -550,6 +566,8 @@ void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T, bool Large) {
// DWARF5 Experimental Debug Info
// Accelerator Tables
+ DwarfDebugNamesSection =
+ Ctx->getELFSection(".debug_names", ELF::SHT_PROGBITS, 0);
DwarfAccelNamesSection =
Ctx->getELFSection(".apple_names", ELF::SHT_PROGBITS, 0);
DwarfAccelObjCSection =
@@ -563,6 +581,7 @@ void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T, bool Large) {
DwarfStrOffSection =
Ctx->getELFSection(".debug_str_offsets", DebugSecType, 0);
DwarfAddrSection = Ctx->getELFSection(".debug_addr", DebugSecType, 0);
+ DwarfRnglistsSection = Ctx->getELFSection(".debug_rnglists", DebugSecType, 0);
// Fission Sections
DwarfInfoDWOSection =
@@ -580,6 +599,8 @@ void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T, bool Large) {
Ctx->getELFSection(".debug_loc.dwo", DebugSecType, 0);
DwarfStrOffDWOSection =
Ctx->getELFSection(".debug_str_offsets.dwo", DebugSecType, 0);
+ DwarfRnglistsDWOSection =
+ Ctx->getELFSection(".debug_rnglists.dwo", DebugSecType, 0);
// DWP Sections
DwarfCUIndexSection =
@@ -677,7 +698,11 @@ void MCObjectFileInfo::initCOFFMCObjectFileInfo(const Triple &T) {
COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ,
SectionKind::getMetadata(), "section_line");
-
+ DwarfLineStrSection = Ctx->getCOFFSection(
+ ".debug_line_str",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "section_line_str");
DwarfFrameSection = Ctx->getCOFFSection(
".debug_frame",
COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
@@ -783,6 +808,11 @@ void MCObjectFileInfo::initCOFFMCObjectFileInfo(const Triple &T) {
COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ,
SectionKind::getMetadata());
+ DwarfDebugNamesSection = Ctx->getCOFFSection(
+ ".debug_names",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata(), "debug_names_begin");
DwarfAccelNamesSection = Ctx->getCOFFSection(
".apple_names",
COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
@@ -819,6 +849,11 @@ void MCObjectFileInfo::initCOFFMCObjectFileInfo(const Triple &T) {
SXDataSection = Ctx->getCOFFSection(".sxdata", COFF::IMAGE_SCN_LNK_INFO,
SectionKind::getMetadata());
+ GFIDsSection = Ctx->getCOFFSection(".gfids$y",
+ COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata());
+
TLSDataSection = Ctx->getCOFFSection(
".tls$", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ |
COFF::IMAGE_SCN_MEM_WRITE,
@@ -831,22 +866,29 @@ void MCObjectFileInfo::initCOFFMCObjectFileInfo(const Triple &T) {
}
void MCObjectFileInfo::initWasmMCObjectFileInfo(const Triple &T) {
- // TODO: Set the section types and flags.
TextSection = Ctx->getWasmSection(".text", SectionKind::getText());
DataSection = Ctx->getWasmSection(".data", SectionKind::getData());
- // TODO: Set the section types and flags.
- DwarfLineSection = Ctx->getWasmSection(".debug_line", SectionKind::getMetadata());
- DwarfStrSection = Ctx->getWasmSection(".debug_str", SectionKind::getMetadata());
- DwarfLocSection = Ctx->getWasmSection(".debug_loc", SectionKind::getMetadata());
- DwarfAbbrevSection = Ctx->getWasmSection(".debug_abbrev", SectionKind::getMetadata(), "section_abbrev");
+ DwarfLineSection =
+ Ctx->getWasmSection(".debug_line", SectionKind::getMetadata());
+ DwarfLineStrSection =
+ Ctx->getWasmSection(".debug_line_str", SectionKind::getMetadata());
+ DwarfStrSection =
+ Ctx->getWasmSection(".debug_str", SectionKind::getMetadata());
+ DwarfLocSection =
+ Ctx->getWasmSection(".debug_loc", SectionKind::getMetadata());
+ DwarfAbbrevSection =
+ Ctx->getWasmSection(".debug_abbrev", SectionKind::getMetadata());
DwarfARangesSection = Ctx->getWasmSection(".debug_aranges", SectionKind::getMetadata());
- DwarfRangesSection = Ctx->getWasmSection(".debug_ranges", SectionKind::getMetadata(), "debug_range");
- DwarfMacinfoSection = Ctx->getWasmSection(".debug_macinfo", SectionKind::getMetadata(), "debug_macinfo");
+ DwarfRangesSection =
+ Ctx->getWasmSection(".debug_ranges", SectionKind::getMetadata());
+ DwarfMacinfoSection =
+ Ctx->getWasmSection(".debug_macinfo", SectionKind::getMetadata());
DwarfAddrSection = Ctx->getWasmSection(".debug_addr", SectionKind::getMetadata());
DwarfCUIndexSection = Ctx->getWasmSection(".debug_cu_index", SectionKind::getMetadata());
DwarfTUIndexSection = Ctx->getWasmSection(".debug_tu_index", SectionKind::getMetadata());
- DwarfInfoSection = Ctx->getWasmSection(".debug_info", SectionKind::getMetadata(), "section_info");
+ DwarfInfoSection =
+ Ctx->getWasmSection(".debug_info", SectionKind::getMetadata());
DwarfFrameSection = Ctx->getWasmSection(".debug_frame", SectionKind::getMetadata());
DwarfPubNamesSection = Ctx->getWasmSection(".debug_pubnames", SectionKind::getMetadata());
DwarfPubTypesSection = Ctx->getWasmSection(".debug_pubtypes", SectionKind::getMetadata());
@@ -911,3 +953,24 @@ MCSection *MCObjectFileInfo::getDwarfTypesSection(uint64_t Hash) const {
return Ctx->getELFSection(".debug_types", ELF::SHT_PROGBITS, ELF::SHF_GROUP,
0, utostr(Hash));
}
+
+MCSection *
+MCObjectFileInfo::getStackSizesSection(const MCSection &TextSec) const {
+ if (Env != IsELF)
+ return StackSizesSection;
+
+ const MCSectionELF &ElfSec = static_cast<const MCSectionELF &>(TextSec);
+ unsigned Flags = ELF::SHF_LINK_ORDER;
+ StringRef GroupName;
+ if (const MCSymbol *Group = ElfSec.getGroup()) {
+ GroupName = Group->getName();
+ Flags |= ELF::SHF_GROUP;
+ }
+
+ const MCSymbol *Link = TextSec.getBeginSymbol();
+ auto It = StackSizesUniquing.insert({Link, StackSizesUniquing.size()});
+ unsigned UniqueID = It.first->second;
+
+ return Ctx->getELFSection(".stack_sizes", ELF::SHT_PROGBITS, Flags, 0,
+ GroupName, UniqueID, cast<MCSymbolELF>(Link));
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 20:29:18 +0000