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* Add lastAccessedTime to file_statusMehdi Amini2016-03-251-2/+9
| | | | | | | | | Differential Revision: http://reviews.llvm.org/D18456 This is a re-commit of r264387 and r264388 after fixing a typo. From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 264392
* Revert "Add lastAccessedTime to file_status"Mehdi Amini2016-03-251-9/+2
| | | | | | | | This reverts commit r264387. Bots are broken in various ways, I need to take one commit at a time... From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 264390
* Add lastAccessedTime to file_statusMehdi Amini2016-03-251-2/+9
| | | | | | | | | | | Reviewers: silvas Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D18456 From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 264387
* Fix typo: XDS -> XDGSean Silva2016-03-241-3/+3
| | | | | | Patch by Robert Ma <bob1211@gmail.com>! llvm-svn: 264352
* Remove uses of builtin comma operator.Richard Trieu2016-02-181-1/+1
| | | | | | Cleanup for upcoming Clang warning -Wcomma. No functionality change intended. llvm-svn: 261270
* Fix Clang-tidy modernize-use-nullptr and modernize-use-override warnings; ↵Eugene Zelenko2016-01-261-2/+2
| | | | | | | | other minor fixes. Differential revision: reviews.llvm.org/D16568 llvm-svn: 258831
* [Clang/Support/Windows/Unix] Command lines created by clang may exceed the ↵Oleg Ranevskyy2016-01-051-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | command length limit set by the OS Summary: Hi Rafael, Would you be able to review this patch, please? (Clang part of the patch is D15832). When clang runs an external tool, e.g. a linker, it may create a command line that exceeds the length limit. Clang uses the llvm::sys::argumentsFitWithinSystemLimits function to check if command line length fits the OS limitation. There are two problems in this function that may cause exceeding of the limit: 1. It ignores the length of the program path in its calculations. On the other hand, clang adds the program path to the command line when it runs the program. 2. It assumes no space character is inserted after the last argument, which is not true for Windows. The flattenArgs function adds the trailing space for *each* argument. The result of this is that the terminating NULL character is not counted and may be placed beyond the length limit if the command line is exactly 32768 characters long. The WinAPI's CreateProcess does not find the NULL character and fails. Reviewers: rafael, ygao, probinson Subscribers: asl, llvm-commits Differential Revision: http://reviews.llvm.org/D15831 llvm-svn: 256866
* [SectionMemoryManager] Make better use of virtual memoryKeno Fischer2015-12-161-2/+3
| | | | | | | | | | | | | | | | | Summary: On Windows, the allocation granularity can be significantly larger than a page (64K), so with many small objects, just clearing the FreeMem list rapidly leaks quite a bit of virtual memory space (if not rss). Fix that by only removing those parts of the FreeMem blocks that overlap pages for which we are applying memory permissions, rather than dropping the FreeMem blocks entirely. Reviewers: lhames Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D15202 llvm-svn: 255760
* Avoid buffered reads of /dev/urandomRafael Espindola2015-12-111-4/+9
| | | | | | | | | | | | | | I am seeing disappointing clang performance on a large PowerPC64 Linux box. GetRandomNumberSeed() does a buffered read from /dev/urandom to seed its PRNG. As a result we read an entire page even though we only need 4 bytes. With every clang task reading a page worth of /dev/urandom we end up spending a large amount of time stuck on kernel spinlock. Patch by Anton Blanchard! llvm-svn: 255386
* Use array_lengthof instead of manually calculating it. NFCCraig Topper2015-12-011-3/+2
| | | | llvm-svn: 254380
* [JIT/Memory] Fix up semantic of setExecutable().Davide Italiano2015-11-171-4/+1
| | | | | | | | | | setExecutable() should do everything that's needed to make the memory executable on host, i.e. unconditionally set permissions + invalidate instruction cache. llvm-rtdyld will be updated in my next commit. Discusseed with: Lang Hames (as part of D13631). llvm-svn: 253341
* Combine ifdefs around dl_iterate_phdr in Unix/Signals.incReid Kleckner2015-11-091-13/+8
| | | | | | | This avoids the need to have two dummy implementations of findModulesAndOffsets. llvm-svn: 252531
* Appease hosts without HAVE_BACKTRACE nor ENABLE_BACKTRACES.NAKAMURA Takumi2015-11-081-0/+7
| | | | | | | llvm/lib/Support/Signals.cpp:66:13: warning: unused function 'printSymbolizedStackTrace' [-Wunused-function] llvm/lib/Support/Signals.cpp:52:13: warning: function 'findModulesAndOffsets' has internal linkage but is not defined [-Wundefined-internal] llvm-svn: 252418
* Fix OSX build after r252118 (missing parameter for findModulesAndOffsets())Mehdi Amini2015-11-051-1/+2
| | | | | From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 252137
* Remove empty linesMehdi Amini2015-11-051-2/+2
| | | | | From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 252136
* [Windows] Symbolize with llvm-symbolizer instead of dbghelp in a self-hostReid Kleckner2015-11-051-87/+2
| | | | | | | | | | | | | | | | Summary: llvm-symbolizer understands both PDBs and DWARF, so it is more likely to succeed at symbolization. If llvm-symbolizer is unavailable, we will fall back to dbghelp. This also makes our crash traces more similar between Windows and Linux. Reviewers: Bigcheese, zturner, chapuni Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D12884 llvm-svn: 252118
* Use static instead of anonymous namespace for helper functions. NFC.Pawel Bylica2015-11-021-5/+2
| | | | llvm-svn: 251801
* [Support] Extend sys::path with user_cache_directory function.Pawel Bylica2015-11-021-21/+53
| | | | | | | | | | | | | | | | | | | | Summary: The new function sys::path::user_cache_directory tries to discover a directory suitable for cache storage for current system user. On Windows and Darwin it returns a path to system-specific user cache directory. On Linux it follows XDG Base Directory Specification, what is: - use non-empty $XDG_CACHE_HOME env var, - use $HOME/.cache. Reviewers: chapuni, aaron.ballman, rafael Subscribers: rafael, aaron.ballman, llvm-commits Differential Revision: http://reviews.llvm.org/D13801 llvm-svn: 251784
* Fix Clang-tidy modernize-use-nullptr warnings in source directories and ↵Hans Wennborg2015-10-061-20/+20
| | | | | | | | | | generated files; other minor cleanups. Patch by Eugene Zelenko! Differential Revision: http://reviews.llvm.org/D13321 llvm-svn: 249482
* Untabify.NAKAMURA Takumi2015-09-221-3/+2
| | | | llvm-svn: 248264
* ScanDirForExecutable on Windows fails to find executables with the "exe" ↵Reid Kleckner2015-09-101-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | extension in name When the driver tries to locate a program by its name, e.g. a linker, it scans the paths provided by the toolchain using the ScanDirForExecutable function. If the lookup fails, the driver uses llvm::sys::findProgramByName. Unlike llvm::sys::findProgramByName, ScanDirForExecutable is not aware of file extensions. If the program has the "exe" extension in its name, which is very common on Windows, ScanDirForExecutable won't find it under the toolchain-provided paths. This patch changes the Windows version of the "`can_execute`" function called by ScanDirForExecutable to respect file extensions, similarly to llvm::sys::findProgramByName. Patch by Oleg Ranevskyy Reviewers: rnk Differential Revision: http://reviews.llvm.org/D12711 llvm-svn: 247358
* Thread premissions through sys::fs::create_director{y|ies}Frederic Riss2015-08-061-2/+3
| | | | llvm-svn: 244268
* Remove the configure and cmake checks for sys/wait.hJustin Bogner2015-08-042-19/+1
| | | | | | | | | | If we don't have sys/wait.h and we're on a unix system there's no way that several of the llvm tools work at all. This includes clang. Just remove the configure and cmake checks entirely - we'll get a build error instead of building something broken now. llvm-svn: 243957
* Remove unnecessary in C++11 c_str() callsYaron Keren2015-07-231-18/+1
| | | | | | | | While theoratically required in pre-C++11 to avoid re-allocation upon call, C++11 guarantees that c_str() returns a pointer to the internal array so pre-calling c_str() is no longer required. llvm-svn: 242983
* Rename RunCallBacksToRun to llvm::sys::RunSignalHandlersYaron Keren2015-07-221-1/+1
| | | | | | | | | | | | And expose it in Signals.h, allowing clients to call it directly, possibly LLVMErrorHandler which currently calls RunInterruptHandlers but not RunSignalHandlers, thus for example not printing the stack backtrace on Unixish OSes. On Windows it does happen because RunInterruptHandlers ends up calling the callbacks as well via Cleanup(). This difference in behaviour and code structures in */Signals.inc should be patched in the future. llvm-svn: 242936
* De-duplicate Unix & Windows CallBacksToRunYaron Keren2015-07-221-9/+1
| | | | | | | | | Move CallBacksToRun into the common Signals.cpp, create RunCallBacksToRun() and use these in both Unix/Signals.inc and Windows/Signals.inc. Lots of potential code to be merged here. llvm-svn: 242925
* Remove C++98 workaround in llvm::sys::DontRemoveFileOnSignal()Yaron Keren2015-07-221-7/+0
| | | | llvm-svn: 242920
* Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC)Alexander Kornienko2015-06-235-7/+7
| | | | | | Apparently, the style needs to be agreed upon first. llvm-svn: 240390
* Fixed/added namespace ending comments using clang-tidy. NFCAlexander Kornienko2015-06-195-7/+7
| | | | | | | | | | | | | The patch is generated using this command: tools/clang/tools/extra/clang-tidy/tool/run-clang-tidy.py -fix \ -checks=-*,llvm-namespace-comment -header-filter='llvm/.*|clang/.*' \ llvm/lib/ Thanks to Eugene Kosov for the original patch! llvm-svn: 240137
* Don't use std::errc.Rafael Espindola2015-06-131-2/+3
| | | | | | | | | | | | | | | | | | | | | As noted on Errc.h: // * std::errc is just marked with is_error_condition_enum. This means that // common patters like AnErrorCode == errc::no_such_file_or_directory take // 4 virtual calls instead of two comparisons. And on some libstdc++ those virtual functions conclude that ------------------------ int main() { std::error_code foo = std::make_error_code(std::errc::no_such_file_or_directory); return foo == std::errc::no_such_file_or_directory; } ------------------------- should exit with 0. llvm-svn: 239683
* Use auto instead of the long type name. NFC.Steven Wu2015-05-071-2/+1
| | | | llvm-svn: 236768
* Fix another hang caused by ManagedStatic in SignalHandlerSteven Wu2015-05-071-4/+11
| | | | | | | | | Fix two other variables that might cause the same hang fixed in r235914. The hang is caused by constructing ManagedStatic in signalhandler. In this case, if FileToRemove or CallBacksToRun is not contructed, it means there is no work to do. llvm-svn: 236741
* Fixes a hang that can occur if a signal comes in during malloc calls.Chris Bieneman2015-04-271-0/+6
| | | | | | We need to dereference the signals mutex during handler registration so that we force its construction. This is to prevent the first use being during handling an actual signal because you can't safely allocate memory in a signal handler. llvm-svn: 235914
* Fix build broken by incorrect class name.Zachary Turner2015-04-271-3/+3
| | | | llvm-svn: 235901
* Make an RAII com initializer.Zachary Turner2015-04-271-0/+27
| | | | | | | Differential Revision: http://reviews.llvm.org/D9267 Reviewed By: Aaron Ballman, David Majnemer llvm-svn: 235898
* Add boolean to PrintStackTraceOnErrorSignal to disable crash reporting.Pete Cooper2015-04-071-2/+2
| | | | | | | | | | | | | | | | | | | The current crash reporting on Mac OS is only disabled via an environment variable. This adds a boolean (default false) which can also disable crash reporting. The only client right now is the unittests which don't ever want crash reporting, but do want to detect killed programs. Reduces the time to run the APFloat unittests on my machine from [----------] 47 tests from APFloatTest (51250 ms total) to [----------] 47 tests from APFloatTest (765 ms total) Reviewed by Reid Kleckner and Justin Bogner llvm-svn: 234353
* Purge unused includes throughout libSupport.Benjamin Kramer2015-03-231-1/+2
| | | | | | NFC. llvm-svn: 232976
* Replace PrintStackTrace(FILE*) with PrintStackTrace(raw_ostream&)Zachary Turner2015-03-051-21/+23
| | | | | | | | | | This will be followed by a change on the clang side to update the only user of this function with the new version. Differential Revision: http://reviews.llvm.org/D8074 Reviewed By: Reid Kleckner llvm-svn: 231392
* Small cleanup. Don't use else when not needed.Davide Italiano2015-02-211-4/+2
| | | | | | Pointed out by David Majnemer. llvm-svn: 230122
* Checking if TARGET_OS_IPHONE is defined isn't good enough for 10.7 and earlier.Chris Bieneman2015-02-191-2/+10
| | | | | | | | Older versions of the TargetConditionals header always defined TARGET_OS_IPHONE to something (0 or 1), so we need to test not only for the existence but also if it is 1. This resolves PR22631. llvm-svn: 229904
* [Support/Timer] Make GetMallocUsage() aware of jemalloc.Davide Italiano2015-02-191-0/+10
| | | | | | | Differential Revision: D7657 Reviewed by: shankarke, majnemer llvm-svn: 229824
* Removing LLVM_DELETED_FUNCTION, as MSVC 2012 was the last reason for ↵Aaron Ballman2015-02-151-2/+2
| | | | | | requiring the macro. NFC; LLVM edition. llvm-svn: 229340
* Triple: refactor redundant code.Tim Northover2015-02-121-19/+5
| | | | | | | | | | Should be no functional change, since most of the logic removed was completely pointless (after some previous refactoring) and the rest duplicated elsewhere. Patch by Kamil Rytarowski. llvm-svn: 228926
* iOS doesn't have crt_externs.h available, so we fall back to the posix method.Chris Bieneman2015-01-301-2/+5
| | | | llvm-svn: 227521
* [Support][Windows] Unify dialog box suppression and print stack traces on abort.Michael J. Spencer2015-01-291-0/+2
| | | | llvm-svn: 227470
* [mips] Use __clear_cache builtin instead of cacheflush()Petar Jovanovic2015-01-271-13/+2
| | | | | | | | | Use __clear_cache builtin instead of cacheflush() in Unix Memory::InvalidateInstructionCache(). Differential Revision: http://reviews.llvm.org/D7198 llvm-svn: 227269
* [cleanup] Re-sort all the #include lines in LLVM usingChandler Carruth2015-01-141-3/+3
| | | | | | | | | | | utils/sort_includes.py. I clearly haven't done this in a while, so more changed than usual. This even uncovered a missing include from the InstrProf library that I've added. No functionality changed here, just mechanical cleanup of the include order. llvm-svn: 225974
* Remove unnecessary StringRef->std::string conversion.Alexey Samsonov2014-12-291-1/+1
| | | | llvm-svn: 224953
* ThreadLocal: Move Unix-specific code out of Support/ThreadLocal.cppDavid Majnemer2014-12-151-0/+43
| | | | | | Just a cleanup, no functionality change is intended. llvm-svn: 224227
* ThreadLocal: Return a mutable pointer if templated with a non-const typeDavid Majnemer2014-12-151-1/+1
| | | | | | | It makes more sense for ThreadLocal<const T>::get to return a const T* and ThreadLocal<T>::get to return a T*. llvm-svn: 224225
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