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-rw-r--r--lib/Driver/ToolChain.cpp187
1 files changed, 105 insertions, 82 deletions
diff --git a/lib/Driver/ToolChain.cpp b/lib/Driver/ToolChain.cpp
index 9453848..db4d2a8 100644
--- a/lib/Driver/ToolChain.cpp
+++ b/lib/Driver/ToolChain.cpp
@@ -14,31 +14,31 @@
#include "clang/Driver/ArgList.h"
#include "clang/Driver/Driver.h"
#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/HostInfo.h"
#include "clang/Driver/ObjCRuntime.h"
#include "clang/Driver/Options.h"
+#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/ErrorHandling.h"
using namespace clang::driver;
using namespace clang;
-ToolChain::ToolChain(const HostInfo &H, const llvm::Triple &T)
- : Host(H), Triple(T) {
+ToolChain::ToolChain(const Driver &D, const llvm::Triple &T)
+ : D(D), Triple(T) {
}
ToolChain::~ToolChain() {
}
const Driver &ToolChain::getDriver() const {
- return Host.getDriver();
+ return D;
}
std::string ToolChain::GetFilePath(const char *Name) const {
- return Host.getDriver().GetFilePath(Name, *this);
+ return D.GetFilePath(Name, *this);
}
std::string ToolChain::GetProgramPath(const char *Name, bool WantFile) const {
- return Host.getDriver().GetProgramPath(Name, *this, WantFile);
+ return D.GetProgramPath(Name, *this, WantFile);
}
types::ID ToolChain::LookupTypeForExtension(const char *Ext) const {
@@ -55,6 +55,7 @@ void ToolChain::configureObjCRuntime(ObjCRuntime &runtime) const {
// Assume a minimal NeXT runtime.
runtime.HasARC = false;
runtime.HasWeak = false;
+ runtime.HasSubscripting = false;
runtime.HasTerminate = false;
return;
@@ -62,6 +63,7 @@ void ToolChain::configureObjCRuntime(ObjCRuntime &runtime) const {
// Assume a maximal GNU runtime.
runtime.HasARC = true;
runtime.HasWeak = true;
+ runtime.HasSubscripting = false; // to be added
runtime.HasTerminate = false; // to be added
return;
}
@@ -73,11 +75,15 @@ void ToolChain::configureObjCRuntime(ObjCRuntime &runtime) const {
// FIXME: tblgen this.
static const char *getARMTargetCPU(const ArgList &Args,
const llvm::Triple &Triple) {
- // 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(Args);
+ // 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(Args);
+ }
StringRef MArch;
if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
@@ -88,45 +94,27 @@ static const char *getARMTargetCPU(const ArgList &Args,
MArch = Triple.getArchName();
}
- if (MArch == "armv2" || MArch == "armv2a")
- return "arm2";
- if (MArch == "armv3")
- return "arm6";
- if (MArch == "armv3m")
- return "arm7m";
- if (MArch == "armv4" || MArch == "armv4t")
- return "arm7tdmi";
- if (MArch == "armv5" || MArch == "armv5t")
- return "arm10tdmi";
- if (MArch == "armv5e" || MArch == "armv5te")
- return "arm1026ejs";
- if (MArch == "armv5tej")
- return "arm926ej-s";
- if (MArch == "armv6" || MArch == "armv6k")
- return "arm1136jf-s";
- if (MArch == "armv6j")
- return "arm1136j-s";
- if (MArch == "armv6z" || MArch == "armv6zk")
- return "arm1176jzf-s";
- if (MArch == "armv6t2")
- return "arm1156t2-s";
- if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a")
- return "cortex-a8";
- if (MArch == "armv7r" || MArch == "armv7-r")
- return "cortex-r4";
- if (MArch == "armv7m" || MArch == "armv7-m")
- return "cortex-m3";
- if (MArch == "ep9312")
- return "ep9312";
- if (MArch == "iwmmxt")
- return "iwmmxt";
- if (MArch == "xscale")
- return "xscale";
- if (MArch == "armv6m" || MArch == "armv6-m")
- return "cortex-m0";
-
- // If all else failed, return the most base CPU LLVM supports.
- return "arm7tdmi";
+ return llvm::StringSwitch<const char *>(MArch)
+ .Cases("armv2", "armv2a","arm2")
+ .Case("armv3", "arm6")
+ .Case("armv3m", "arm7m")
+ .Cases("armv4", "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("armv7", "armv7a", "armv7-a", "cortex-a8")
+ .Cases("armv7r", "armv7-r", "cortex-r4")
+ .Cases("armv7m", "armv7-m", "cortex-m3")
+ .Case("ep9312", "ep9312")
+ .Case("iwmmxt", "iwmmxt")
+ .Case("xscale", "xscale")
+ .Cases("armv6m", "armv6-m", "cortex-m0")
+ // If all else failed, return the most base CPU LLVM supports.
+ .Default("arm7tdmi");
}
/// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular
@@ -135,38 +123,23 @@ static const char *getARMTargetCPU(const ArgList &Args,
// FIXME: This is redundant with -mcpu, why does LLVM use this.
// FIXME: tblgen this, or kill it!
static const char *getLLVMArchSuffixForARM(StringRef CPU) {
- if (CPU == "arm7tdmi" || CPU == "arm7tdmi-s" || CPU == "arm710t" ||
- CPU == "arm720t" || CPU == "arm9" || CPU == "arm9tdmi" ||
- CPU == "arm920" || CPU == "arm920t" || CPU == "arm922t" ||
- CPU == "arm940t" || CPU == "ep9312")
- return "v4t";
-
- if (CPU == "arm10tdmi" || CPU == "arm1020t")
- return "v5";
-
- if (CPU == "arm9e" || CPU == "arm926ej-s" || CPU == "arm946e-s" ||
- CPU == "arm966e-s" || CPU == "arm968e-s" || CPU == "arm10e" ||
- CPU == "arm1020e" || CPU == "arm1022e" || CPU == "xscale" ||
- CPU == "iwmmxt")
- return "v5e";
-
- if (CPU == "arm1136j-s" || CPU == "arm1136jf-s" || CPU == "arm1176jz-s" ||
- CPU == "arm1176jzf-s" || CPU == "mpcorenovfp" || CPU == "mpcore")
- return "v6";
-
- if (CPU == "arm1156t2-s" || CPU == "arm1156t2f-s")
- return "v6t2";
-
- if (CPU == "cortex-a8" || CPU == "cortex-a9")
- return "v7";
-
- if (CPU == "cortex-m3")
- return "v7m";
-
- if (CPU == "cortex-m0")
- return "v6m";
-
- return "";
+ return llvm::StringSwitch<const char *>(CPU)
+ .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-a8", "cortex-a9", "v7")
+ .Case("cortex-m3", "v7m")
+ .Case("cortex-m4", "v7m")
+ .Case("cortex-m0", "v6m")
+ .Default("");
}
std::string ToolChain::ComputeLLVMTriple(const ArgList &Args,
@@ -216,6 +189,22 @@ void ToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
// Each toolchain should provide the appropriate include flags.
}
+ToolChain::RuntimeLibType ToolChain::GetRuntimeLibType(
+ const ArgList &Args) const
+{
+ if (Arg *A = Args.getLastArg(options::OPT_rtlib_EQ)) {
+ StringRef Value = A->getValue(Args);
+ if (Value == "compiler-rt")
+ return ToolChain::RLT_CompilerRT;
+ if (Value == "libgcc")
+ return ToolChain::RLT_Libgcc;
+ getDriver().Diag(diag::err_drv_invalid_rtlib_name)
+ << A->getAsString(Args);
+ }
+
+ return GetDefaultRuntimeLibType();
+}
+
ToolChain::CXXStdlibType ToolChain::GetCXXStdlibType(const ArgList &Args) const{
if (Arg *A = Args.getLastArg(options::OPT_stdlib_EQ)) {
StringRef Value = A->getValue(Args);
@@ -230,6 +219,40 @@ ToolChain::CXXStdlibType ToolChain::GetCXXStdlibType(const ArgList &Args) const{
return ToolChain::CST_Libstdcxx;
}
+/// \brief Utility function to add a system include directory to CC1 arguments.
+/*static*/ void ToolChain::addSystemInclude(const ArgList &DriverArgs,
+ ArgStringList &CC1Args,
+ const Twine &Path) {
+ CC1Args.push_back("-internal-isystem");
+ CC1Args.push_back(DriverArgs.MakeArgString(Path));
+}
+
+/// \brief Utility function to add a system include directory with extern "C"
+/// semantics to CC1 arguments.
+///
+/// Note that this should be used rarely, and only for directories that
+/// historically and for legacy reasons are treated as having implicit extern
+/// "C" semantics. These semantics are *ignored* by and large today, but its
+/// important to preserve the preprocessor changes resulting from the
+/// classification.
+/*static*/ void ToolChain::addExternCSystemInclude(const ArgList &DriverArgs,
+ ArgStringList &CC1Args,
+ const Twine &Path) {
+ CC1Args.push_back("-internal-externc-isystem");
+ CC1Args.push_back(DriverArgs.MakeArgString(Path));
+}
+
+/// \brief Utility function to add a list of system include directories to CC1.
+/*static*/ void ToolChain::addSystemIncludes(const ArgList &DriverArgs,
+ ArgStringList &CC1Args,
+ ArrayRef<StringRef> Paths) {
+ for (ArrayRef<StringRef>::iterator I = Paths.begin(), E = Paths.end();
+ I != E; ++I) {
+ CC1Args.push_back("-internal-isystem");
+ CC1Args.push_back(DriverArgs.MakeArgString(*I));
+ }
+}
+
void ToolChain::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
ArgStringList &CC1Args) const {
// Header search paths should be handled by each of the subclasses.
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