WindowsToolChain.cpp [plain text]
#include "ToolChains.h"
#include "clang/Driver/Arg.h"
#include "clang/Driver/ArgList.h"
#include "clang/Driver/Compilation.h"
#include "clang/Driver/Driver.h"
#include "clang/Driver/Options.h"
#include "clang/Basic/Version.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Path.h"
#ifdef _MSC_VER
#define WIN32_LEAN_AND_MEAN
#define NOGDI
#define NOMINMAX
#include <Windows.h>
#endif
using namespace clang::driver;
using namespace clang::driver::toolchains;
using namespace clang;
Windows::Windows(const Driver &D, const llvm::Triple& Triple)
: ToolChain(D, Triple) {
}
Tool &Windows::SelectTool(const Compilation &C, const JobAction &JA,
const ActionList &Inputs) const {
Action::ActionClass Key;
if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
Key = Action::AnalyzeJobClass;
else
Key = JA.getKind();
bool UseIntegratedAs = C.getArgs().hasFlag(options::OPT_integrated_as,
options::OPT_no_integrated_as,
IsIntegratedAssemblerDefault());
Tool *&T = Tools[Key];
if (!T) {
switch (Key) {
case Action::InputClass:
case Action::BindArchClass:
case Action::LipoJobClass:
case Action::DsymutilJobClass:
case Action::VerifyJobClass:
llvm_unreachable("Invalid tool kind.");
case Action::PreprocessJobClass:
case Action::PrecompileJobClass:
case Action::AnalyzeJobClass:
case Action::MigrateJobClass:
case Action::CompileJobClass:
T = new tools::Clang(*this); break;
case Action::AssembleJobClass:
if (!UseIntegratedAs && getTriple().getEnvironment() == llvm::Triple::MachO)
T = new tools::darwin::Assemble(*this);
else
T = new tools::ClangAs(*this);
break;
case Action::LinkJobClass:
T = new tools::visualstudio::Link(*this); break;
}
}
return *T;
}
bool Windows::IsIntegratedAssemblerDefault() const {
return true;
}
bool Windows::IsUnwindTablesDefault() const {
return getArchName() == "x86_64";
}
const char *Windows::GetDefaultRelocationModel() const {
return "static";
}
const char *Windows::GetForcedPicModel() const {
if (getArchName() == "x86_64")
return "pic";
return 0;
}
#ifdef _MSC_VER
static bool getSystemRegistryString(const char *keyPath, const char *valueName,
char *value, size_t maxLength) {
HKEY hRootKey = NULL;
HKEY hKey = NULL;
const char* subKey = NULL;
DWORD valueType;
DWORD valueSize = maxLength - 1;
long lResult;
bool returnValue = false;
if (strncmp(keyPath, "HKEY_CLASSES_ROOT\\", 18) == 0) {
hRootKey = HKEY_CLASSES_ROOT;
subKey = keyPath + 18;
} else if (strncmp(keyPath, "HKEY_USERS\\", 11) == 0) {
hRootKey = HKEY_USERS;
subKey = keyPath + 11;
} else if (strncmp(keyPath, "HKEY_LOCAL_MACHINE\\", 19) == 0) {
hRootKey = HKEY_LOCAL_MACHINE;
subKey = keyPath + 19;
} else if (strncmp(keyPath, "HKEY_CURRENT_USER\\", 18) == 0) {
hRootKey = HKEY_CURRENT_USER;
subKey = keyPath + 18;
} else {
return false;
}
const char *placeHolder = strstr(subKey, "$VERSION");
char bestName[256];
bestName[0] = '\0';
if (placeHolder) {
const char *keyEnd = placeHolder - 1;
const char *nextKey = placeHolder;
while ((keyEnd > subKey) && (*keyEnd != '\\'))
keyEnd--;
while (*nextKey && (*nextKey != '\\'))
nextKey++;
size_t partialKeyLength = keyEnd - subKey;
char partialKey[256];
if (partialKeyLength > sizeof(partialKey))
partialKeyLength = sizeof(partialKey);
strncpy(partialKey, subKey, partialKeyLength);
partialKey[partialKeyLength] = '\0';
HKEY hTopKey = NULL;
lResult = RegOpenKeyEx(hRootKey, partialKey, 0, KEY_READ, &hTopKey);
if (lResult == ERROR_SUCCESS) {
char keyName[256];
int bestIndex = -1;
double bestValue = 0.0;
DWORD index, size = sizeof(keyName) - 1;
for (index = 0; RegEnumKeyEx(hTopKey, index, keyName, &size, NULL,
NULL, NULL, NULL) == ERROR_SUCCESS; index++) {
const char *sp = keyName;
while (*sp && !isdigit(*sp))
sp++;
if (!*sp)
continue;
const char *ep = sp + 1;
while (*ep && (isdigit(*ep) || (*ep == '.')))
ep++;
char numBuf[32];
strncpy(numBuf, sp, sizeof(numBuf) - 1);
numBuf[sizeof(numBuf) - 1] = '\0';
double value = strtod(numBuf, NULL);
if (value > bestValue) {
bestIndex = (int)index;
bestValue = value;
strcpy(bestName, keyName);
}
size = sizeof(keyName) - 1;
}
if (bestIndex != -1) {
strncat(bestName, nextKey, sizeof(bestName) - 1);
bestName[sizeof(bestName) - 1] = '\0';
lResult = RegOpenKeyEx(hTopKey, bestName, 0, KEY_READ, &hKey);
if (lResult == ERROR_SUCCESS) {
lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType,
(LPBYTE)value, &valueSize);
if (lResult == ERROR_SUCCESS)
returnValue = true;
RegCloseKey(hKey);
}
}
RegCloseKey(hTopKey);
}
} else {
lResult = RegOpenKeyEx(hRootKey, subKey, 0, KEY_READ, &hKey);
if (lResult == ERROR_SUCCESS) {
lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType,
(LPBYTE)value, &valueSize);
if (lResult == ERROR_SUCCESS)
returnValue = true;
RegCloseKey(hKey);
}
}
return returnValue;
}
static bool getWindowsSDKDir(std::string &path) {
char windowsSDKInstallDir[256];
bool hasSDKDir = getSystemRegistryString(
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Microsoft SDKs\\Windows\\$VERSION",
"InstallationFolder",
windowsSDKInstallDir,
sizeof(windowsSDKInstallDir) - 1);
if (hasSDKDir && windowsSDKInstallDir[0]) {
path = windowsSDKInstallDir;
return true;
}
return false;
}
static bool getVisualStudioDir(std::string &path) {
const char* vcinstalldir = getenv("VCINSTALLDIR");
if (vcinstalldir) {
char *p = const_cast<char *>(strstr(vcinstalldir, "\\VC"));
if (p)
*p = '\0';
path = vcinstalldir;
return true;
}
char vsIDEInstallDir[256];
char vsExpressIDEInstallDir[256];
bool hasVCDir = getSystemRegistryString(
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION",
"InstallDir", vsIDEInstallDir, sizeof(vsIDEInstallDir) - 1);
bool hasVCExpressDir = getSystemRegistryString(
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VCExpress\\$VERSION",
"InstallDir", vsExpressIDEInstallDir, sizeof(vsExpressIDEInstallDir) - 1);
if (hasVCDir && vsIDEInstallDir[0]) {
char *p = (char*)strstr(vsIDEInstallDir, "\\Common7\\IDE");
if (p)
*p = '\0';
path = vsIDEInstallDir;
return true;
}
if (hasVCExpressDir && vsExpressIDEInstallDir[0]) {
char *p = (char*)strstr(vsExpressIDEInstallDir, "\\Common7\\IDE");
if (p)
*p = '\0';
path = vsExpressIDEInstallDir;
return true;
}
const char *vs100comntools = getenv("VS100COMNTOOLS");
const char *vs90comntools = getenv("VS90COMNTOOLS");
const char *vs80comntools = getenv("VS80COMNTOOLS");
const char *vscomntools = NULL;
if(false) {}
#if (_MSC_VER >= 1600) else if(vs100comntools) {
vscomntools = vs100comntools;
}
#elif (_MSC_VER == 1500) else if(vs90comntools) {
vscomntools = vs90comntools;
}
#elif (_MSC_VER == 1400) else if(vs80comntools) {
vscomntools = vs80comntools;
}
#endif
else if (vs100comntools)
vscomntools = vs100comntools;
else if (vs90comntools)
vscomntools = vs90comntools;
else if (vs80comntools)
vscomntools = vs80comntools;
if (vscomntools && *vscomntools) {
const char *p = strstr(vscomntools, "\\Common7\\Tools");
path = p ? std::string(vscomntools, p) : vscomntools;
return true;
}
return false;
}
#endif // _MSC_VER
void Windows::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
ArgStringList &CC1Args) const {
if (DriverArgs.hasArg(options::OPT_nostdinc))
return;
if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
llvm::sys::Path P(getDriver().ResourceDir);
P.appendComponent("include");
addSystemInclude(DriverArgs, CC1Args, P.str());
}
if (DriverArgs.hasArg(options::OPT_nostdlibinc))
return;
#ifdef _MSC_VER
if (const char *cl_include_dir = getenv("INCLUDE")) {
SmallVector<StringRef, 8> Dirs;
StringRef(cl_include_dir).split(Dirs, ";");
int n = 0;
for (SmallVectorImpl<StringRef>::iterator I = Dirs.begin(), E = Dirs.end();
I != E; ++I) {
StringRef d = *I;
if (d.size() == 0)
continue;
++n;
addSystemInclude(DriverArgs, CC1Args, d);
}
if (n) return;
}
std::string VSDir;
std::string WindowsSDKDir;
if (getVisualStudioDir(VSDir)) {
addSystemInclude(DriverArgs, CC1Args, VSDir + "\\VC\\include");
if (getWindowsSDKDir(WindowsSDKDir))
addSystemInclude(DriverArgs, CC1Args, WindowsSDKDir + "\\include");
else
addSystemInclude(DriverArgs, CC1Args,
VSDir + "\\VC\\PlatformSDK\\Include");
return;
}
#endif // _MSC_VER
const StringRef Paths[] = {
"C:/Program Files/Microsoft Visual Studio 10.0/VC/include",
"C:/Program Files/Microsoft Visual Studio 9.0/VC/include",
"C:/Program Files/Microsoft Visual Studio 9.0/VC/PlatformSDK/Include",
"C:/Program Files/Microsoft Visual Studio 8/VC/include",
"C:/Program Files/Microsoft Visual Studio 8/VC/PlatformSDK/Include"
};
addSystemIncludes(DriverArgs, CC1Args, Paths);
}
void Windows::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
ArgStringList &CC1Args) const {
}