diff options
Diffstat (limited to 'contrib/llvm/lib/MC/MCObjectFileInfo.cpp')
| -rw-r--r-- | contrib/llvm/lib/MC/MCObjectFileInfo.cpp | 49 |
1 files changed, 9 insertions, 40 deletions
diff --git a/contrib/llvm/lib/MC/MCObjectFileInfo.cpp b/contrib/llvm/lib/MC/MCObjectFileInfo.cpp index d05bcea..8fd71f6 100644 --- a/contrib/llvm/lib/MC/MCObjectFileInfo.cpp +++ b/contrib/llvm/lib/MC/MCObjectFileInfo.cpp @@ -177,20 +177,6 @@ void MCObjectFileInfo::initMachOMCObjectFileInfo(const Triple &T) { MachO::S_THREAD_LOCAL_VARIABLE_POINTERS, SectionKind::getMetadata()); - if (!PositionIndependent) { - StaticCtorSection = Ctx->getMachOSection("__TEXT", "__constructor", 0, - SectionKind::getData()); - StaticDtorSection = Ctx->getMachOSection("__TEXT", "__destructor", 0, - SectionKind::getData()); - } else { - StaticCtorSection = Ctx->getMachOSection("__DATA", "__mod_init_func", - MachO::S_MOD_INIT_FUNC_POINTERS, - SectionKind::getData()); - StaticDtorSection = Ctx->getMachOSection("__DATA", "__mod_term_func", - MachO::S_MOD_TERM_FUNC_POINTERS, - SectionKind::getData()); - } - // Exception Handling. LSDASection = Ctx->getMachOSection("__TEXT", "__gcc_except_tab", 0, SectionKind::getReadOnlyWithRel()); @@ -311,6 +297,7 @@ void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T) { if (Ctx->getAsmInfo()->getExceptionHandlingType() == ExceptionHandling::ARM) break; // Fallthrough if not using EHABI + LLVM_FALLTHROUGH; case Triple::ppc: case Triple::x86: PersonalityEncoding = PositionIndependent @@ -395,6 +382,14 @@ void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T) { 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. + + // FreeBSD must be explicit about the data size and using pcrel since it's + // assembler/linker won't do the automatic conversion that the Linux tools + // do. + if (T.isOSFreeBSD()) { + PersonalityEncoding |= dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4; + LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4; + } break; case Triple::ppc64: case Triple::ppc64le: @@ -498,12 +493,6 @@ void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T) { Ctx->getELFSection(".rodata.cst32", ELF::SHT_PROGBITS, ELF::SHF_ALLOC | ELF::SHF_MERGE, 32, ""); - 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); - // Exception Handling Sections. // FIXME: We're emitting LSDA info into a readonly section on ELF, even though @@ -621,26 +610,6 @@ void MCObjectFileInfo::initCOFFMCObjectFileInfo(const Triple &T) { ".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()); - } else { - StaticCtorSection = Ctx->getCOFFSection( - ".ctors", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | - COFF::IMAGE_SCN_MEM_READ | COFF::IMAGE_SCN_MEM_WRITE, - SectionKind::getData()); - StaticDtorSection = Ctx->getCOFFSection( - ".dtors", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | - COFF::IMAGE_SCN_MEM_READ | COFF::IMAGE_SCN_MEM_WRITE, - SectionKind::getData()); - } - // 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 |
