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-rw-r--r--clang/include/clang/Basic/DiagnosticDriverKinds.td2
-rw-r--r--clang/lib/Driver/Driver.cpp24
-rw-r--r--clang/lib/Driver/ToolChains/Clang.cpp21
-rw-r--r--clang/test/Driver/working-directory.c10
4 files changed, 29 insertions, 28 deletions
diff --git a/clang/include/clang/Basic/DiagnosticDriverKinds.td b/clang/include/clang/Basic/DiagnosticDriverKinds.td
index 2ece1f0f578..ffecccba16a 100644
--- a/clang/include/clang/Basic/DiagnosticDriverKinds.td
+++ b/clang/include/clang/Basic/DiagnosticDriverKinds.td
@@ -91,6 +91,8 @@ def err_no_external_assembler : Error<
"there is no external assembler that can be used on this platform">;
def err_drv_unable_to_remove_file : Error<
"unable to remove file: %0">;
+def err_drv_unable_to_set_working_directory : Error <
+ "unable to set working directory: %0">;
def err_drv_command_failure : Error<
"unable to execute command: %0">;
def err_drv_invalid_darwin_version : Error<
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index 0f7bbb6eb0f..4c153bf3348 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -133,7 +133,7 @@ Driver::Driver(StringRef ClangExecutable, StringRef TargetTriple,
// Provide a sane fallback if no VFS is specified.
if (!this->VFS)
- this->VFS = llvm::vfs::getRealFileSystem();
+ this->VFS = llvm::vfs::createPhysicalFileSystem().release();
Name = llvm::sys::path::filename(ClangExecutable);
Dir = llvm::sys::path::parent_path(ClangExecutable);
@@ -1005,6 +1005,11 @@ Compilation *Driver::BuildCompilation(ArrayRef<const char *> ArgList) {
}
}
+ // Check for working directory option before accessing any files
+ if (Arg *WD = Args.getLastArg(options::OPT_working_directory))
+ if (std::error_code EC = VFS->setCurrentWorkingDirectory(WD->getValue()))
+ Diag(diag::err_drv_unable_to_set_working_directory) << WD->getValue();
+
// FIXME: This stuff needs to go into the Compilation, not the driver.
bool CCCPrintPhases;
@@ -1984,20 +1989,11 @@ bool Driver::DiagnoseInputExistence(const DerivedArgList &Args, StringRef Value,
if (Value == "-")
return true;
- SmallString<64> Path(Value);
- if (Arg *WorkDir = Args.getLastArg(options::OPT_working_directory)) {
- if (!llvm::sys::path::is_absolute(Path)) {
- SmallString<64> Directory(WorkDir->getValue());
- llvm::sys::path::append(Directory, Value);
- Path.assign(Directory);
- }
- }
-
- if (getVFS().exists(Path))
+ if (getVFS().exists(Value))
return true;
if (IsCLMode()) {
- if (!llvm::sys::path::is_absolute(Twine(Path)) &&
+ if (!llvm::sys::path::is_absolute(Twine(Value)) &&
llvm::sys::Process::FindInEnvPath("LIB", Value))
return true;
@@ -2023,12 +2019,12 @@ bool Driver::DiagnoseInputExistence(const DerivedArgList &Args, StringRef Value,
if (getOpts().findNearest(Value, Nearest, IncludedFlagsBitmask,
ExcludedFlagsBitmask) <= 1) {
Diag(clang::diag::err_drv_no_such_file_with_suggestion)
- << Path << Nearest;
+ << Value << Nearest;
return false;
}
}
- Diag(clang::diag::err_drv_no_such_file) << Path;
+ Diag(clang::diag::err_drv_no_such_file) << Value;
return false;
}
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index d76e1759598..3009bc8d292 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -616,11 +616,11 @@ static bool shouldUseLeafFramePointer(const ArgList &Args,
}
/// Add a CC1 option to specify the debug compilation directory.
-static void addDebugCompDirArg(const ArgList &Args, ArgStringList &CmdArgs) {
- SmallString<128> cwd;
- if (!llvm::sys::fs::current_path(cwd)) {
+static void addDebugCompDirArg(const ArgList &Args, ArgStringList &CmdArgs,
+ const llvm::vfs::FileSystem &VFS) {
+ if (llvm::ErrorOr<std::string> CWD = VFS.getCurrentWorkingDirectory()) {
CmdArgs.push_back("-fdebug-compilation-dir");
- CmdArgs.push_back(Args.MakeArgString(cwd));
+ CmdArgs.push_back(Args.MakeArgString(*CWD));
}
}
@@ -885,13 +885,8 @@ static void addPGOAndCoverageFlags(const ToolChain &TC, Compilation &C,
else
OutputFilename = llvm::sys::path::filename(Output.getBaseInput());
SmallString<128> CoverageFilename = OutputFilename;
- if (llvm::sys::path::is_relative(CoverageFilename)) {
- SmallString<128> Pwd;
- if (!llvm::sys::fs::current_path(Pwd)) {
- llvm::sys::path::append(Pwd, CoverageFilename);
- CoverageFilename.swap(Pwd);
- }
- }
+ if (llvm::sys::path::is_relative(CoverageFilename))
+ (void)D.getVFS().makeAbsolute(CoverageFilename);
llvm::sys::path::replace_extension(CoverageFilename, "gcno");
CmdArgs.push_back(Args.MakeArgString(CoverageFilename));
@@ -4354,7 +4349,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back("-fno-autolink");
// Add in -fdebug-compilation-dir if necessary.
- addDebugCompDirArg(Args, CmdArgs);
+ addDebugCompDirArg(Args, CmdArgs, D.getVFS());
addDebugPrefixMapArg(D, Args, CmdArgs);
@@ -6065,7 +6060,7 @@ void ClangAs::ConstructJob(Compilation &C, const JobAction &JA,
DebugInfoKind = (WantDebug ? codegenoptions::LimitedDebugInfo
: codegenoptions::NoDebugInfo);
// Add the -fdebug-compilation-dir flag if needed.
- addDebugCompDirArg(Args, CmdArgs);
+ addDebugCompDirArg(Args, CmdArgs, C.getDriver().getVFS());
addDebugPrefixMapArg(getToolChain().getDriver(), Args, CmdArgs);
diff --git a/clang/test/Driver/working-directory.c b/clang/test/Driver/working-directory.c
index 15ba8f00bd1..fbd4ed4f9e1 100644
--- a/clang/test/Driver/working-directory.c
+++ b/clang/test/Driver/working-directory.c
@@ -1,3 +1,11 @@
// RUN: %clang -### -working-directory /no/such/dir/ input 2>&1 | FileCheck %s
+// RUN: %clang -### -working-directory %p/Inputs no_such_file.cpp -c 2>&1 | FileCheck %s --check-prefix=CHECK_NO_FILE
+// RUN: %clang -### -working-directory %p/Inputs pchfile.cpp -c 2>&1 | FileCheck %s --check-prefix=CHECK_WORKS
-//CHECK: no such file or directory: '/no/such/dir/input'
+// CHECK: unable to set working directory: /no/such/dir/
+
+// CHECK_NO_FILE: no such file or directory: 'no_such_file.cpp'
+
+// CHECK_WORKS: "-coverage-notes-file" "{{[^"]+}}test{{/|\\\\}}Driver{{/|\\\\}}Inputs{{/|\\\\}}pchfile.gcno"
+// CHECK_WORKS: "-working-directory" "{{[^"]+}}test{{/|\\\\}}Driver{{/|\\\\}}Inputs"
+// CHECK_WORKS: "-fdebug-compilation-dir" "{{[^"]+}}test{{/|\\\\}}Driver{{/|\\\\}}Inputs"
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