Delay the creation of eh_frame so that the user can change the defaults.
Add support for SHT_X86_64_UNWIND.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124059 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index 934a26e..5a0e2cf 100644
--- a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -134,11 +134,6 @@
getContext().getELFSection(".gcc_except_table", ELF::SHT_PROGBITS,
ELF::SHF_ALLOC,
SectionKind::getReadOnly());
- EHFrameSection =
- getContext().getELFSection(".eh_frame", ELF::SHT_PROGBITS,
- ELF::SHF_ALLOC,
- SectionKind::getDataRel());
-
// Debug Info Sections.
DwarfAbbrevSection =
getContext().getELFSection(".debug_abbrev", ELF::SHT_PROGBITS, 0,
@@ -175,6 +170,11 @@
SectionKind::getMetadata());
}
+const MCSection *TargetLoweringObjectFileELF::getEHFrameSection() const {
+ return getContext().getELFSection(".eh_frame", ELF::SHT_PROGBITS,
+ ELF::SHF_ALLOC,
+ SectionKind::getDataRel());
+}
static SectionKind
getELFKindForNamedSection(StringRef Name, SectionKind K) {
@@ -581,14 +581,6 @@
// Exception Handling.
LSDASection = getContext().getMachOSection("__TEXT", "__gcc_except_tab", 0,
SectionKind::getReadOnlyWithRel());
- EHFrameSection =
- getContext().getMachOSection("__TEXT", "__eh_frame",
- MCSectionMachO::S_COALESCED |
- MCSectionMachO::S_ATTR_NO_TOC |
- MCSectionMachO::S_ATTR_STRIP_STATIC_SYMS |
- MCSectionMachO::S_ATTR_LIVE_SUPPORT,
- SectionKind::getReadOnly());
-
// Debug Information.
DwarfAbbrevSection =
getContext().getMachOSection("__DWARF", "__debug_abbrev",
@@ -642,6 +634,15 @@
TLSExtraDataSection = TLSTLVSection;
}
+const MCSection *TargetLoweringObjectFileMachO::getEHFrameSection() const {
+ return getContext().getMachOSection("__TEXT", "__eh_frame",
+ MCSectionMachO::S_COALESCED |
+ MCSectionMachO::S_ATTR_NO_TOC |
+ MCSectionMachO::S_ATTR_STRIP_STATIC_SYMS |
+ MCSectionMachO::S_ATTR_LIVE_SUPPORT,
+ SectionKind::getReadOnly());
+}
+
const MCSection *TargetLoweringObjectFileMachO::
getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const {
@@ -873,13 +874,6 @@
COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ,
SectionKind::getReadOnly());
- EHFrameSection =
- getContext().getCOFFSection(".eh_frame",
- COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
- COFF::IMAGE_SCN_MEM_READ |
- COFF::IMAGE_SCN_MEM_WRITE,
- SectionKind::getDataRel());
-
// Debug info.
DwarfAbbrevSection =
getContext().getCOFFSection(".debug_abbrev",
@@ -943,6 +937,15 @@
SectionKind::getMetadata());
}
+const MCSection *TargetLoweringObjectFileCOFF::getEHFrameSection() const {
+ return getContext().getCOFFSection(".eh_frame",
+ COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ |
+ COFF::IMAGE_SCN_MEM_WRITE,
+ SectionKind::getDataRel());
+}
+
+
static unsigned
getCOFFSectionFlags(SectionKind K) {
unsigned Flags = 0;