diff options
Diffstat (limited to 'contrib/llvm-project/clang/include/clang/Driver/ToolChain.h')
| -rw-r--r-- | contrib/llvm-project/clang/include/clang/Driver/ToolChain.h | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/contrib/llvm-project/clang/include/clang/Driver/ToolChain.h b/contrib/llvm-project/clang/include/clang/Driver/ToolChain.h index 7495e08fe6e6..28c37a44e1eb 100644 --- a/contrib/llvm-project/clang/include/clang/Driver/ToolChain.h +++ b/contrib/llvm-project/clang/include/clang/Driver/ToolChain.h @@ -27,6 +27,7 @@ #include "llvm/Support/VersionTuple.h" #include "llvm/Target/TargetOptions.h" #include <cassert> +#include <climits> #include <memory> #include <string> #include <utility> @@ -327,7 +328,14 @@ public: /// Returns the linker path, respecting the -fuse-ld= argument to determine /// the linker suffix or name. - std::string GetLinkerPath() const; + /// If LinkerIsLLD is non-nullptr, it is set to true if the returned linker + /// is LLD. If it's set, it can be assumed that the linker is LLD built + /// at the same revision as clang, and clang can make assumptions about + /// LLD's supported flags, error output, etc. + /// If LinkerIsLLDDarwinNew is non-nullptr, it's set if the linker is + /// the new version in lld/MachO. + std::string GetLinkerPath(bool *LinkerIsLLD = nullptr, + bool *LinkerIsLLDDarwinNew = nullptr) const; /// Returns the linker path for emitting a static library. std::string GetStaticLibToolPath() const; @@ -382,9 +390,10 @@ public: virtual bool useRelaxRelocations() const; /// GetDefaultStackProtectorLevel - Get the default stack protector level for - /// this tool chain (0=off, 1=on, 2=strong, 3=all). - virtual unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const { - return 0; + /// this tool chain. + virtual LangOptions::StackProtectorMode + GetDefaultStackProtectorLevel(bool KernelOrKext) const { + return LangOptions::SSPOff; } /// Get the default trivial automatic variable initialization. @@ -419,10 +428,10 @@ public: getCompilerRTArgString(const llvm::opt::ArgList &Args, StringRef Component, FileType Type = ToolChain::FT_Static) const; - std::string getCompilerRTBasename(const llvm::opt::ArgList &Args, - StringRef Component, - FileType Type = ToolChain::FT_Static, - bool AddArch = true) const; + virtual std::string + getCompilerRTBasename(const llvm::opt::ArgList &Args, StringRef Component, + FileType Type = ToolChain::FT_Static, + bool AddArch = true) const; // Returns target specific runtime path if it exists. virtual Optional<std::string> getRuntimePath() const; @@ -435,7 +444,7 @@ public: std::string getArchSpecificLibPath() const; // Returns <OSname> part of above. - StringRef getOSLibName() const; + virtual StringRef getOSLibName() const; /// needsProfileRT - returns true if instrumentation profile is on. static bool needsProfileRT(const llvm::opt::ArgList &Args); @@ -481,6 +490,11 @@ public: // to the contrary. virtual unsigned GetDefaultDwarfVersion() const { return 4; } + // Some toolchains may have different restrictions on the DWARF version and + // may need to adjust it. E.g. NVPTX may need to enforce DWARF2 even when host + // compilation uses DWARF5. + virtual unsigned getMaxDwarfVersion() const { return UINT_MAX; } + // True if the driver should assume "-fstandalone-debug" // in the absence of an option specifying otherwise, // provided that debugging was requested in the first place. |