void llvm::emitLinkerFlagsForGlobalCOFF(raw_ostream &OS, const GlobalValue *GV,
const Triple &TT, Mangler &Mangler) {
if (!GV->hasDLLExportStorageClass() || GV->isDeclaration())
return;
if (TT.isKnownWindowsMSVCEnvironment())
OS << " /EXPORT:";
else
OS << " -export:";
if (TT.isWindowsGNUEnvironment() || TT.isWindowsCygwinEnvironment()) {
std::string Flag;
raw_string_ostream FlagOS(Flag);
Mangler.getNameWithPrefix(FlagOS, GV, false);
FlagOS.flush();
if (Flag[0] == GV->getParent()->getDataLayout().getGlobalPrefix())
OS << Flag.substr(1);
else
OS << Flag;
} else {
Mangler.getNameWithPrefix(OS, GV, false);
}
if (!GV->getValueType()->isFunctionTy()) {
if (TT.isKnownWindowsMSVCEnvironment())
OS << ",DATA";
else
OS << ",data";
}
}
void llvm::emitLinkerFlagsForUsedCOFF(raw_ostream &OS, const GlobalValue *GV,
const Triple &T, Mangler &M) {
if (!T.isKnownWindowsMSVCEnvironment())
return;
OS << " /INCLUDE:";
M.getNameWithPrefix(OS, GV, false);
}
static std::unique_ptr<TargetLoweringObjectFile> createTLOF(const Triple &TT) {
if (TT.isOSBinFormatMachO()) {
if (TT.getArch() == Triple::x86_64)
return make_unique<X86_64MachoTargetObjectFile>();
return make_unique<TargetLoweringObjectFileMachO>();
}
if (TT.isOSLinux() || TT.isOSNaCl())
return make_unique<X86LinuxNaClTargetObjectFile>();
if (TT.isOSBinFormatELF())
return make_unique<X86ELFTargetObjectFile>();
if (TT.isKnownWindowsMSVCEnvironment() || TT.isWindowsCoreCLREnvironment())
return make_unique<X86WindowsTargetObjectFile>();
if (TT.isOSBinFormatCOFF())
return make_unique<TargetLoweringObjectFileCOFF>();
llvm_unreachable("unknown subtarget type");
}
void MCObjectFileInfo::initCOFFMCObjectFileInfo(Triple T) {
EHFrameSection = Ctx->getCOFFSection(
".eh_frame", 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;
// 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());
} else {
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.
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 = nullptr;
} 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_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());
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::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.isKnownWindowsMSVCEnvironment()) {
StaticCtorSection =
Ctx->getCOFFSection(".CRT$XCU",
COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ,
SectionKind::getReadOnly());
} else {
StaticCtorSection =
Ctx->getCOFFSection(".ctors",
COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ |
COFF::IMAGE_SCN_MEM_WRITE,
SectionKind::getDataRel());
}
if (T.isKnownWindowsMSVCEnvironment()) {
StaticDtorSection =
Ctx->getCOFFSection(".CRT$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());
}
// 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());
// 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());
DwarfInfoDWOSection =
Ctx->getCOFFSection(".debug_info.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
COFF::IMAGE_SCN_MEM_READ,
SectionKind::getMetadata());
DwarfAbbrevDWOSection =
Ctx->getCOFFSection(".debug_abbrev.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
COFF::IMAGE_SCN_MEM_READ,
SectionKind::getMetadata());
DwarfStrDWOSection =
Ctx->getCOFFSection(".debug_str.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
COFF::IMAGE_SCN_MEM_READ,
SectionKind::getMetadata());
DwarfLineDWOSection =
Ctx->getCOFFSection(".debug_line.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
COFF::IMAGE_SCN_MEM_READ,
SectionKind::getMetadata());
DwarfLocDWOSection =
Ctx->getCOFFSection(".debug_loc.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
COFF::IMAGE_SCN_MEM_READ,
SectionKind::getMetadata());
DwarfStrOffDWOSection =
Ctx->getCOFFSection(".debug_str_offsets.dwo", COFF::IMAGE_SCN_MEM_DISCARDABLE |
COFF::IMAGE_SCN_MEM_READ,
SectionKind::getMetadata());
DwarfAddrSection = Ctx->getCOFFSection(
".debug_addr", 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());
}
/// initialize - Initialize the set of available library functions based on the
/// specified target triple. This should be carefully written so that a missing
/// target triple gets a sane set of defaults.
static void initialize(TargetLibraryInfo &TLI, const Triple &T,
const char **StandardNames) {
initializeTargetLibraryInfoPass(*PassRegistry::getPassRegistry());
#ifndef NDEBUG
// Verify that the StandardNames array is in alphabetical order.
for (unsigned F = 1; F < LibFunc::NumLibFuncs; ++F) {
if (strcmp(StandardNames[F-1], StandardNames[F]) >= 0)
llvm_unreachable("TargetLibraryInfo function names must be sorted");
}
#endif // !NDEBUG
// memset_pattern16 is only available on iOS 3.0 and Mac OS X 10.5 and later.
if (T.isMacOSX()) {
if (T.isMacOSXVersionLT(10, 5))
TLI.setUnavailable(LibFunc::memset_pattern16);
} else if (T.isiOS()) {
if (T.isOSVersionLT(3, 0))
TLI.setUnavailable(LibFunc::memset_pattern16);
} else {
TLI.setUnavailable(LibFunc::memset_pattern16);
}
if (!hasSinCosPiStret(T)) {
TLI.setUnavailable(LibFunc::sinpi);
TLI.setUnavailable(LibFunc::sinpif);
TLI.setUnavailable(LibFunc::cospi);
TLI.setUnavailable(LibFunc::cospif);
TLI.setUnavailable(LibFunc::sincospi_stret);
TLI.setUnavailable(LibFunc::sincospif_stret);
}
if (T.isMacOSX() && T.getArch() == Triple::x86 &&
!T.isMacOSXVersionLT(10, 7)) {
// x86-32 OSX has a scheme where fwrite and fputs (and some other functions
// we don't care about) have two versions; on recent OSX, the one we want
// has a $UNIX2003 suffix. The two implementations are identical except
// for the return value in some edge cases. However, we don't want to
// generate code that depends on the old symbols.
TLI.setAvailableWithName(LibFunc::fwrite, "fwrite$UNIX2003");
TLI.setAvailableWithName(LibFunc::fputs, "fputs$UNIX2003");
}
// iprintf and friends are only available on XCore and TCE.
if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) {
TLI.setUnavailable(LibFunc::iprintf);
TLI.setUnavailable(LibFunc::siprintf);
TLI.setUnavailable(LibFunc::fiprintf);
}
if (T.isKnownWindowsMSVCEnvironment()) {
// Win32 does not support long double
TLI.setUnavailable(LibFunc::acosl);
TLI.setUnavailable(LibFunc::asinl);
TLI.setUnavailable(LibFunc::atanl);
TLI.setUnavailable(LibFunc::atan2l);
TLI.setUnavailable(LibFunc::ceill);
TLI.setUnavailable(LibFunc::copysignl);
TLI.setUnavailable(LibFunc::cosl);
TLI.setUnavailable(LibFunc::coshl);
TLI.setUnavailable(LibFunc::expl);
TLI.setUnavailable(LibFunc::fabsf); // Win32 and Win64 both lack fabsf
TLI.setUnavailable(LibFunc::fabsl);
TLI.setUnavailable(LibFunc::floorl);
TLI.setUnavailable(LibFunc::fmaxl);
TLI.setUnavailable(LibFunc::fminl);
TLI.setUnavailable(LibFunc::fmodl);
TLI.setUnavailable(LibFunc::frexpl);
TLI.setUnavailable(LibFunc::ldexpf);
TLI.setUnavailable(LibFunc::ldexpl);
TLI.setUnavailable(LibFunc::logl);
TLI.setUnavailable(LibFunc::modfl);
TLI.setUnavailable(LibFunc::powl);
TLI.setUnavailable(LibFunc::sinl);
TLI.setUnavailable(LibFunc::sinhl);
TLI.setUnavailable(LibFunc::sqrtl);
TLI.setUnavailable(LibFunc::tanl);
TLI.setUnavailable(LibFunc::tanhl);
// Win32 only has C89 math
TLI.setUnavailable(LibFunc::acosh);
TLI.setUnavailable(LibFunc::acoshf);
TLI.setUnavailable(LibFunc::acoshl);
TLI.setUnavailable(LibFunc::asinh);
TLI.setUnavailable(LibFunc::asinhf);
TLI.setUnavailable(LibFunc::asinhl);
TLI.setUnavailable(LibFunc::atanh);
TLI.setUnavailable(LibFunc::atanhf);
TLI.setUnavailable(LibFunc::atanhl);
TLI.setUnavailable(LibFunc::cbrt);
TLI.setUnavailable(LibFunc::cbrtf);
TLI.setUnavailable(LibFunc::cbrtl);
TLI.setUnavailable(LibFunc::exp2);
TLI.setUnavailable(LibFunc::exp2f);
TLI.setUnavailable(LibFunc::exp2l);
TLI.setUnavailable(LibFunc::expm1);
TLI.setUnavailable(LibFunc::expm1f);
TLI.setUnavailable(LibFunc::expm1l);
TLI.setUnavailable(LibFunc::log2);
TLI.setUnavailable(LibFunc::log2f);
TLI.setUnavailable(LibFunc::log2l);
TLI.setUnavailable(LibFunc::log1p);
TLI.setUnavailable(LibFunc::log1pf);
TLI.setUnavailable(LibFunc::log1pl);
TLI.setUnavailable(LibFunc::logb);
TLI.setUnavailable(LibFunc::logbf);
TLI.setUnavailable(LibFunc::logbl);
TLI.setUnavailable(LibFunc::nearbyint);
TLI.setUnavailable(LibFunc::nearbyintf);
TLI.setUnavailable(LibFunc::nearbyintl);
TLI.setUnavailable(LibFunc::rint);
TLI.setUnavailable(LibFunc::rintf);
TLI.setUnavailable(LibFunc::rintl);
TLI.setUnavailable(LibFunc::round);
TLI.setUnavailable(LibFunc::roundf);
TLI.setUnavailable(LibFunc::roundl);
TLI.setUnavailable(LibFunc::trunc);
TLI.setUnavailable(LibFunc::truncf);
TLI.setUnavailable(LibFunc::truncl);
// Win32 provides some C99 math with mangled names
TLI.setAvailableWithName(LibFunc::copysign, "_copysign");
if (T.getArch() == Triple::x86) {
// Win32 on x86 implements single-precision math functions as macros
TLI.setUnavailable(LibFunc::acosf);
TLI.setUnavailable(LibFunc::asinf);
TLI.setUnavailable(LibFunc::atanf);
TLI.setUnavailable(LibFunc::atan2f);
TLI.setUnavailable(LibFunc::ceilf);
TLI.setUnavailable(LibFunc::copysignf);
TLI.setUnavailable(LibFunc::cosf);
TLI.setUnavailable(LibFunc::coshf);
TLI.setUnavailable(LibFunc::expf);
TLI.setUnavailable(LibFunc::floorf);
TLI.setUnavailable(LibFunc::fminf);
TLI.setUnavailable(LibFunc::fmaxf);
TLI.setUnavailable(LibFunc::fmodf);
TLI.setUnavailable(LibFunc::logf);
TLI.setUnavailable(LibFunc::powf);
TLI.setUnavailable(LibFunc::sinf);
TLI.setUnavailable(LibFunc::sinhf);
TLI.setUnavailable(LibFunc::sqrtf);
TLI.setUnavailable(LibFunc::tanf);
TLI.setUnavailable(LibFunc::tanhf);
}
// Win32 does *not* provide provide these functions, but they are
// generally available on POSIX-compliant systems:
TLI.setUnavailable(LibFunc::access);
TLI.setUnavailable(LibFunc::bcmp);
TLI.setUnavailable(LibFunc::bcopy);
TLI.setUnavailable(LibFunc::bzero);
TLI.setUnavailable(LibFunc::chmod);
TLI.setUnavailable(LibFunc::chown);
TLI.setUnavailable(LibFunc::closedir);
TLI.setUnavailable(LibFunc::ctermid);
TLI.setUnavailable(LibFunc::fdopen);
TLI.setUnavailable(LibFunc::ffs);
TLI.setUnavailable(LibFunc::fileno);
TLI.setUnavailable(LibFunc::flockfile);
TLI.setUnavailable(LibFunc::fseeko);
TLI.setUnavailable(LibFunc::fstat);
TLI.setUnavailable(LibFunc::fstatvfs);
TLI.setUnavailable(LibFunc::ftello);
TLI.setUnavailable(LibFunc::ftrylockfile);
TLI.setUnavailable(LibFunc::funlockfile);
TLI.setUnavailable(LibFunc::getc_unlocked);
TLI.setUnavailable(LibFunc::getitimer);
TLI.setUnavailable(LibFunc::getlogin_r);
TLI.setUnavailable(LibFunc::getpwnam);
TLI.setUnavailable(LibFunc::gettimeofday);
TLI.setUnavailable(LibFunc::htonl);
TLI.setUnavailable(LibFunc::htons);
TLI.setUnavailable(LibFunc::lchown);
TLI.setUnavailable(LibFunc::lstat);
TLI.setUnavailable(LibFunc::memccpy);
TLI.setUnavailable(LibFunc::mkdir);
TLI.setUnavailable(LibFunc::ntohl);
TLI.setUnavailable(LibFunc::ntohs);
TLI.setUnavailable(LibFunc::open);
TLI.setUnavailable(LibFunc::opendir);
TLI.setUnavailable(LibFunc::pclose);
TLI.setUnavailable(LibFunc::popen);
TLI.setUnavailable(LibFunc::pread);
TLI.setUnavailable(LibFunc::pwrite);
TLI.setUnavailable(LibFunc::read);
TLI.setUnavailable(LibFunc::readlink);
TLI.setUnavailable(LibFunc::realpath);
TLI.setUnavailable(LibFunc::rmdir);
TLI.setUnavailable(LibFunc::setitimer);
TLI.setUnavailable(LibFunc::stat);
TLI.setUnavailable(LibFunc::statvfs);
TLI.setUnavailable(LibFunc::stpcpy);
TLI.setUnavailable(LibFunc::stpncpy);
TLI.setUnavailable(LibFunc::strcasecmp);
TLI.setUnavailable(LibFunc::strncasecmp);
TLI.setUnavailable(LibFunc::times);
TLI.setUnavailable(LibFunc::uname);
TLI.setUnavailable(LibFunc::unlink);
TLI.setUnavailable(LibFunc::unsetenv);
TLI.setUnavailable(LibFunc::utime);
TLI.setUnavailable(LibFunc::utimes);
TLI.setUnavailable(LibFunc::write);
// Win32 does *not* provide provide these functions, but they are
// specified by C99:
TLI.setUnavailable(LibFunc::atoll);
TLI.setUnavailable(LibFunc::frexpf);
TLI.setUnavailable(LibFunc::llabs);
}
switch (T.getOS()) {
case Triple::MacOSX:
// exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0
// and their names are __exp10 and __exp10f. exp10l is not available on
// OS X or iOS.
TLI.setUnavailable(LibFunc::exp10l);
if (T.isMacOSXVersionLT(10, 9)) {
TLI.setUnavailable(LibFunc::exp10);
TLI.setUnavailable(LibFunc::exp10f);
} else {
TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
}
break;
case Triple::IOS:
TLI.setUnavailable(LibFunc::exp10l);
if (T.isOSVersionLT(7, 0)) {
TLI.setUnavailable(LibFunc::exp10);
TLI.setUnavailable(LibFunc::exp10f);
} else {
TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
}
break;
case Triple::Linux:
// exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely
// buggy prior to glibc version 2.18. Until this version is widely deployed
// or we have a reasonable detection strategy, we cannot use exp10 reliably
// on Linux.
//
// Fall through to disable all of them.
default:
TLI.setUnavailable(LibFunc::exp10);
TLI.setUnavailable(LibFunc::exp10f);
TLI.setUnavailable(LibFunc::exp10l);
}
// ffsl is available on at least Darwin, Mac OS X, iOS, FreeBSD, and
// Linux (GLIBC):
// http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/ffsl.3.html
// http://svn.freebsd.org/base/user/eri/pf45/head/lib/libc/string/ffsl.c
// http://www.gnu.org/software/gnulib/manual/html_node/ffsl.html
switch (T.getOS()) {
case Triple::Darwin:
case Triple::MacOSX:
case Triple::IOS:
case Triple::FreeBSD:
case Triple::Linux:
break;
default:
TLI.setUnavailable(LibFunc::ffsl);
}
// ffsll is available on at least FreeBSD and Linux (GLIBC):
// http://svn.freebsd.org/base/user/eri/pf45/head/lib/libc/string/ffsll.c
// http://www.gnu.org/software/gnulib/manual/html_node/ffsll.html
switch (T.getOS()) {
case Triple::FreeBSD:
case Triple::Linux:
break;
default:
TLI.setUnavailable(LibFunc::ffsll);
}
// The following functions are available on at least Linux:
if (!T.isOSLinux()) {
TLI.setUnavailable(LibFunc::dunder_strdup);
TLI.setUnavailable(LibFunc::dunder_strtok_r);
TLI.setUnavailable(LibFunc::dunder_isoc99_scanf);
TLI.setUnavailable(LibFunc::dunder_isoc99_sscanf);
TLI.setUnavailable(LibFunc::under_IO_getc);
TLI.setUnavailable(LibFunc::under_IO_putc);
TLI.setUnavailable(LibFunc::memalign);
TLI.setUnavailable(LibFunc::fopen64);
TLI.setUnavailable(LibFunc::fseeko64);
TLI.setUnavailable(LibFunc::fstat64);
TLI.setUnavailable(LibFunc::fstatvfs64);
TLI.setUnavailable(LibFunc::ftello64);
TLI.setUnavailable(LibFunc::lstat64);
TLI.setUnavailable(LibFunc::open64);
TLI.setUnavailable(LibFunc::stat64);
TLI.setUnavailable(LibFunc::statvfs64);
TLI.setUnavailable(LibFunc::tmpfile64);
}
}