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-rw-r--r--lib/Driver/ToolChain.cpp199
1 files changed, 83 insertions, 116 deletions
diff --git a/lib/Driver/ToolChain.cpp b/lib/Driver/ToolChain.cpp
index 36aae33ec838..4f90d083c7dc 100644
--- a/lib/Driver/ToolChain.cpp
+++ b/lib/Driver/ToolChain.cpp
@@ -15,6 +15,7 @@
#include "clang/Driver/Options.h"
#include "clang/Driver/SanitizerArgs.h"
#include "clang/Driver/ToolChain.h"
+#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Option/Arg.h"
#include "llvm/Option/ArgList.h"
@@ -38,8 +39,8 @@ const Driver &ToolChain::getDriver() const {
}
bool ToolChain::useIntegratedAs() const {
- return Args.hasFlag(options::OPT_integrated_as,
- options::OPT_no_integrated_as,
+ return Args.hasFlag(options::OPT_fintegrated_as,
+ options::OPT_fno_integrated_as,
IsIntegratedAssemblerDefault());
}
@@ -114,7 +115,7 @@ Tool *ToolChain::getTool(Action::ActionClass AC) const {
case Action::BindArchClass:
case Action::LipoJobClass:
case Action::DsymutilJobClass:
- case Action::VerifyJobClass:
+ case Action::VerifyDebugInfoJobClass:
llvm_unreachable("Invalid tool kind.");
case Action::CompileJobClass:
@@ -122,6 +123,7 @@ Tool *ToolChain::getTool(Action::ActionClass AC) const {
case Action::PreprocessJobClass:
case Action::AnalyzeJobClass:
case Action::MigrateJobClass:
+ case Action::VerifyPCHJobClass:
return getClang();
}
@@ -146,6 +148,30 @@ std::string ToolChain::GetProgramPath(const char *Name) const {
return D.GetProgramPath(Name, *this);
}
+std::string ToolChain::GetLinkerPath() const {
+ if (Arg *A = Args.getLastArg(options::OPT_fuse_ld_EQ)) {
+ StringRef Suffix = A->getValue();
+
+ // If we're passed -fuse-ld= with no argument, or with the argument ld,
+ // then use whatever the default system linker is.
+ if (Suffix.empty() || Suffix == "ld")
+ return GetProgramPath("ld");
+
+ llvm::SmallString<8> LinkerName("ld.");
+ LinkerName.append(Suffix);
+
+ std::string LinkerPath(GetProgramPath(LinkerName.c_str()));
+ if (llvm::sys::fs::exists(LinkerPath))
+ return LinkerPath;
+
+ getDriver().Diag(diag::err_drv_invalid_linker_name) << A->getAsString(Args);
+ return "";
+ }
+
+ return GetProgramPath("ld");
+}
+
+
types::ID ToolChain::LookupTypeForExtension(const char *Ext) const {
return types::lookupTypeForExtension(Ext);
}
@@ -154,109 +180,27 @@ bool ToolChain::HasNativeLLVMSupport() const {
return false;
}
+bool ToolChain::isCrossCompiling() const {
+ llvm::Triple HostTriple(LLVM_HOST_TRIPLE);
+ switch (HostTriple.getArch()) {
+ // The A32/T32/T16 instruction sets are not separate architectures in this
+ // context.
+ case llvm::Triple::arm:
+ case llvm::Triple::armeb:
+ case llvm::Triple::thumb:
+ case llvm::Triple::thumbeb:
+ return getArch() != llvm::Triple::arm && getArch() != llvm::Triple::thumb &&
+ getArch() != llvm::Triple::armeb && getArch() != llvm::Triple::thumbeb;
+ default:
+ return HostTriple.getArch() != getArch();
+ }
+}
+
ObjCRuntime ToolChain::getDefaultObjCRuntime(bool isNonFragile) const {
return ObjCRuntime(isNonFragile ? ObjCRuntime::GNUstep : ObjCRuntime::GCC,
VersionTuple());
}
-/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targeting.
-//
-// FIXME: tblgen this.
-static const char *getARMTargetCPU(const ArgList &Args,
- const llvm::Triple &Triple) {
- // For Darwin targets, the -arch option (which is translated to a
- // corresponding -march option) should determine the architecture
- // (and the Mach-O slice) regardless of any -mcpu options.
- if (!Triple.isOSDarwin()) {
- // FIXME: Warn on inconsistent use of -mcpu and -march.
- // If we have -mcpu=, use that.
- if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
- return A->getValue();
- }
-
- StringRef MArch;
- if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
- // Otherwise, if we have -march= choose the base CPU for that arch.
- MArch = A->getValue();
- } else {
- // Otherwise, use the Arch from the triple.
- MArch = Triple.getArchName();
- }
-
- if (Triple.getOS() == llvm::Triple::NetBSD) {
- if (MArch == "armv6")
- return "arm1176jzf-s";
- }
-
- const char *result = llvm::StringSwitch<const char *>(MArch)
- .Cases("armv2", "armv2a","arm2")
- .Case("armv3", "arm6")
- .Case("armv3m", "arm7m")
- .Case("armv4", "strongarm")
- .Case("armv4t", "arm7tdmi")
- .Cases("armv5", "armv5t", "arm10tdmi")
- .Cases("armv5e", "armv5te", "arm1026ejs")
- .Case("armv5tej", "arm926ej-s")
- .Cases("armv6", "armv6k", "arm1136jf-s")
- .Case("armv6j", "arm1136j-s")
- .Cases("armv6z", "armv6zk", "arm1176jzf-s")
- .Case("armv6t2", "arm1156t2-s")
- .Cases("armv6m", "armv6-m", "cortex-m0")
- .Cases("armv7", "armv7a", "armv7-a", "cortex-a8")
- .Cases("armv7l", "armv7-l", "cortex-a8")
- .Cases("armv7f", "armv7-f", "cortex-a9-mp")
- .Cases("armv7s", "armv7-s", "swift")
- .Cases("armv7r", "armv7-r", "cortex-r4")
- .Cases("armv7m", "armv7-m", "cortex-m3")
- .Cases("armv7em", "armv7e-m", "cortex-m4")
- .Cases("armv8", "armv8a", "armv8-a", "cortex-a53")
- .Case("ep9312", "ep9312")
- .Case("iwmmxt", "iwmmxt")
- .Case("xscale", "xscale")
- // If all else failed, return the most base CPU with thumb interworking
- // supported by LLVM.
- .Default(0);
-
- if (result)
- return result;
-
- return
- Triple.getEnvironment() == llvm::Triple::GNUEABIHF
- ? "arm1176jzf-s"
- : "arm7tdmi";
-}
-
-/// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular
-/// CPU.
-//
-// FIXME: This is redundant with -mcpu, why does LLVM use this.
-// FIXME: tblgen this, or kill it!
-static const char *getLLVMArchSuffixForARM(StringRef CPU) {
- return llvm::StringSwitch<const char *>(CPU)
- .Case("strongarm", "v4")
- .Cases("arm7tdmi", "arm7tdmi-s", "arm710t", "v4t")
- .Cases("arm720t", "arm9", "arm9tdmi", "v4t")
- .Cases("arm920", "arm920t", "arm922t", "v4t")
- .Cases("arm940t", "ep9312","v4t")
- .Cases("arm10tdmi", "arm1020t", "v5")
- .Cases("arm9e", "arm926ej-s", "arm946e-s", "v5e")
- .Cases("arm966e-s", "arm968e-s", "arm10e", "v5e")
- .Cases("arm1020e", "arm1022e", "xscale", "iwmmxt", "v5e")
- .Cases("arm1136j-s", "arm1136jf-s", "arm1176jz-s", "v6")
- .Cases("arm1176jzf-s", "mpcorenovfp", "mpcore", "v6")
- .Cases("arm1156t2-s", "arm1156t2f-s", "v6t2")
- .Cases("cortex-a5", "cortex-a7", "cortex-a8", "v7")
- .Cases("cortex-a9", "cortex-a12", "cortex-a15", "v7")
- .Cases("cortex-r4", "cortex-r5", "v7r")
- .Case("cortex-m0", "v6m")
- .Case("cortex-m3", "v7m")
- .Case("cortex-m4", "v7em")
- .Case("cortex-a9-mp", "v7f")
- .Case("swift", "v7s")
- .Cases("cortex-a53", "cortex-a57", "v8")
- .Default("");
-}
-
std::string ToolChain::ComputeLLVMTriple(const ArgList &Args,
types::ID InputType) const {
switch (getTriple().getArch()) {
@@ -265,7 +209,7 @@ std::string ToolChain::ComputeLLVMTriple(const ArgList &Args,
case llvm::Triple::x86_64: {
llvm::Triple Triple = getTriple();
- if (!Triple.isOSDarwin())
+ if (!Triple.isOSBinFormatMachO())
return getTripleString();
if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
@@ -278,23 +222,51 @@ std::string ToolChain::ComputeLLVMTriple(const ArgList &Args,
return Triple.getTriple();
}
case llvm::Triple::arm:
- case llvm::Triple::thumb: {
+ case llvm::Triple::armeb:
+ case llvm::Triple::thumb:
+ case llvm::Triple::thumbeb: {
// FIXME: Factor into subclasses.
llvm::Triple Triple = getTriple();
+ bool IsBigEndian = getTriple().getArch() == llvm::Triple::armeb ||
+ getTriple().getArch() == llvm::Triple::thumbeb;
+
+ // Handle pseudo-target flags '-mlittle-endian'/'-EL' and
+ // '-mbig-endian'/'-EB'.
+ if (Arg *A = Args.getLastArg(options::OPT_mlittle_endian,
+ options::OPT_mbig_endian)) {
+ if (A->getOption().matches(options::OPT_mlittle_endian))
+ IsBigEndian = false;
+ else
+ IsBigEndian = true;
+ }
// Thumb2 is the default for V7 on Darwin.
//
// FIXME: Thumb should just be another -target-feaure, not in the triple.
- StringRef Suffix =
- getLLVMArchSuffixForARM(getARMTargetCPU(Args, Triple));
- bool ThumbDefault = Suffix.startswith("v6m") ||
- (Suffix.startswith("v7") && getTriple().isOSDarwin());
- std::string ArchName = "arm";
+ StringRef Suffix = Triple.isOSBinFormatMachO()
+ ? tools::arm::getLLVMArchSuffixForARM(tools::arm::getARMCPUForMArch(Args, Triple))
+ : tools::arm::getLLVMArchSuffixForARM(tools::arm::getARMTargetCPU(Args, Triple));
+ bool ThumbDefault = Suffix.startswith("v6m") || Suffix.startswith("v7m") ||
+ Suffix.startswith("v7em") ||
+ (Suffix.startswith("v7") && getTriple().isOSBinFormatMachO());
+ // FIXME: this is invalid for WindowsCE
+ if (getTriple().isOSWindows())
+ ThumbDefault = true;
+ std::string ArchName;
+ if (IsBigEndian)
+ ArchName = "armeb";
+ else
+ ArchName = "arm";
// Assembly files should start in ARM mode.
if (InputType != types::TY_PP_Asm &&
Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault))
- ArchName = "thumb";
+ {
+ if (IsBigEndian)
+ ArchName = "thumbeb";
+ else
+ ArchName = "thumb";
+ }
Triple.setArchName(ArchName + Suffix.str());
return Triple.getTriple();
@@ -304,13 +276,6 @@ std::string ToolChain::ComputeLLVMTriple(const ArgList &Args,
std::string ToolChain::ComputeEffectiveClangTriple(const ArgList &Args,
types::ID InputType) const {
- // Diagnose use of Darwin OS deployment target arguments on non-Darwin.
- if (Arg *A = Args.getLastArg(options::OPT_mmacosx_version_min_EQ,
- options::OPT_miphoneos_version_min_EQ,
- options::OPT_mios_simulator_version_min_EQ))
- getDriver().Diag(diag::err_drv_clang_unsupported)
- << A->getAsString(Args);
-
return ComputeLLVMTriple(Args, InputType);
}
@@ -323,6 +288,8 @@ void ToolChain::addClangTargetOptions(const ArgList &DriverArgs,
ArgStringList &CC1Args) const {
}
+void ToolChain::addClangWarningOptions(ArgStringList &CC1Args) const {}
+
ToolChain::RuntimeLibType ToolChain::GetRuntimeLibType(
const ArgList &Args) const
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 03:05:33 +0000