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* [TSan][libdispatch] Move libdispatch tests out of Darwin folderJulian Lettner2019-04-1223-6/+8
| | | | | | | The libdispatch tests are now not tied to Darwin anymore. Move them to their own platform-independent folder. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358316 91177308-0d34-0410-b5e6-96231b3b80d8
* [libFuzzer] Fix DataFlow.cpp logic when tracing long inputs.Max Moroz2019-04-121-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | Summary: 1. Do not create DFSan labels for the bytes which we do not trace. This is where we run out of labels at the first place. 2. When dumping the traces on the disk, make sure to offset the label identifiers by the number of the first byte in the trace range. 3. For the last label, make sure to write it at the last position of the trace bit string, as that label represents the input size, not any particular byte. Also fixed the bug with division in python which I've introduced when migrated the scripts to Python3 (`//` is required for integral division). Otherwise, the scripts are wasting too much time unsuccessfully trying to collect and process traces from the long inputs. For more context, see https://github.com/google/oss-fuzz/issues/1632#issuecomment-481761789 Reviewers: kcc Reviewed By: kcc Subscribers: delcypher, #sanitizers, llvm-commits Tags: #llvm, #sanitizers Differential Revision: https://reviews.llvm.org/D60538 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358311 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Don't link against FoundationJulian Lettner2019-04-126-13/+22
| | | | | | | Now that our tests don't depend on Foundation anymore, don't link it in. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358309 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Replace NSTemporaryDirectory in testsJulian Lettner2019-04-126-13/+8
| | | | | | | | | | | | | After this change, most tests don't have a dependency on Foundation. Note: To hold the file name `tempnam` allocates a new buffer. We leak this buffer (omit the free), but I don't think we need to care. Reviewed By: kubamracek Differential Revision: https://reviews.llvm.org/D60591 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358308 91177308-0d34-0410-b5e6-96231b3b80d8
* [libFuzzer] support -runs=N in the fork mode. Make sure we see one-line ↵Kostya Serebryany2019-04-122-0/+23
| | | | | | reports from ubsan in the fork mode. Test both git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358306 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Fix failing testJulian Lettner2019-04-121-0/+1
| | | | | | | | | The ThreadSanitizer-x86_64-iossim configuration (different SDK) seems to require an additional #include. rdar://49856637 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358300 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Delete old testsJulian Lettner2019-04-112-69/+0
| | | | | | | | | | In a previous commit, I re-enabled the ported variants of these 2 tests: tsan/Darwin/gcd-data.mm -> tsan/libdispatch/data.c tsan/Darwin/gcd-source-serial.mm -> tsan/libdispatch/source-serial.c So now we can delete the Darwin-only version. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358235 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Re-enable disabled testsJulian Lettner2019-04-112-6/+0
| | | | | | | | I re-activated "broad strokes suppressions" (ignore_noninstrumented_modules=1) in my last commit. Re-enable tests that only fail on our bots to check if they work now. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358209 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Turn ignore_noninstrumented_modules=1 back on for DarwinJulian Lettner2019-04-111-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358208 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Replace usage of NSMutableData with stack arrayJulian Lettner2019-04-115-10/+10
| | | | | | | | Reviewed By: kubamracek Differential Revision: https://reviews.llvm.org/D60477 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358205 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Change test to have two simultaneous timersJulian Lettner2019-04-111-1/+1
| | | | | | | | | | | Change test semantics by waiting for both timer callbacks at the end instead of serializing operations: start/wait timer 1 then 2. Reviewed By: kubamracek Differential Revision: https://reviews.llvm.org/D60476 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358204 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Replace CFRunLoop with dispatch_semaphore, pt. 2Julian Lettner2019-04-1111-83/+97
| | | | | | | | Reviewed By: kubamracek Differential Revision: https://reviews.llvm.org/D60475 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358203 91177308-0d34-0410-b5e6-96231b3b80d8
* Prospective test fix in response to r358104.John McCall2019-04-111-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358149 91177308-0d34-0410-b5e6-96231b3b80d8
* [NFC] Use clearer naming for local variablesJF Bastien2019-04-101-9/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358145 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Replace CFRunLoop with dispatch_semaphore, pt. 1Julian Lettner2019-04-096-53/+54
| | | | | | | | | | | | Remove the dependency on Foundation so we can start running those tests on other platforms. Rename/move of tests will be done in a separate commit. Reviewed By: kubamracek, dvyukov Differential Revision: https://reviews.llvm.org/D60347 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358023 91177308-0d34-0410-b5e6-96231b3b80d8
* hwasan: Enable -hwasan-allow-ifunc by default.Peter Collingbourne2019-04-091-2/+1
| | | | | | | | | It's been on in Android for a while without causing problems, so it's time to make it the default and remove the flag. Differential Revision: https://reviews.llvm.org/D60355 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357960 91177308-0d34-0410-b5e6-96231b3b80d8
* [asan_symbolize] Use proper logging infrastructure.Dan Liew2019-04-083-0/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: The previous logging infrastructure had several problems: * Debugging output was emitted to standard output which is also where the symbolized output would go. Interleaving these two separate bits of information makes inspecting the output difficult and could potentially break tests. * Enabling debugging output requires modifying the script which is not very conveninent. * When debugging it isn't immediately obvious where the output is coming from. This patch uses the Python standard library logging infrastructure which fixes all of the above problems. Logging is controlled using two new options. * `--log-level` - Sets the logging level, default is `info`. * `--log-dest` - Set the logging destination, default is standard error. Some simple test cases for the feature are included. rdar://problem/49476995 Reviewers: kubamracek, yln, samsonov, dvyukov, vitalybuka Subscribers: #sanitizers, llvm-commits Tags: #llvm, #sanitizers Differential Revision: https://reviews.llvm.org/D60343 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357951 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sanitizer] Make wcrtomb test posix-onlyPavel Labath2019-04-081-0/+3
| | | | | | | | | | | | wcrtomb is not intercepted on windows, so this test fails there. It's not clear to me why we do not intercept this function there (I'll look into that separately), but for now this should at least make the windows sanitizer bot green again (broken by r357889, when I added this test). I also add "UNSUPPORTED: android" as this function is also not intercepted there. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357892 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sanitizer] Fix a possible write to freed memory in the wcrtomb interceptorPavel Labath2019-04-082-0/+49
| | | | | | | | | | | | | | | | | | Summary: r357240 added an interceptor for wctomb, which uses a temporary local buffer to make sure we don't write to unallocated memory. This patch applies the same technique to wcrtomb, and adds some additional tests for this function. Reviewers: vitalybuka, eugenis Subscribers: kubamracek, delcypher, llvm-commits, #sanitizers Tags: #llvm, #sanitizers Differential Revision: https://reviews.llvm.org/D59984 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357889 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Remove Darwin-only version of fully-ported testsJulian Lettner2019-04-0610-428/+0
| | | | | | | Remove 10 tests that already have a copy in tsan/libdispatch, without dependencies on Darwin-specifis. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357832 91177308-0d34-0410-b5e6-96231b3b80d8
* Use binary write mode in WriteToFile function to avoid appended \r ↵Vitaly Buka2019-04-052-0/+37
| | | | | | | | | | | | | | | | | | | | | characters on Windows Summary: When using libfuzzer on Windows, in the contents of a crash sample, bytes that can be mistaken for a \n are replaced by a \r\n sequence. As a consequence, crashes are not reproducible. This patch will open files in binary mode to fix this issue. The patch does not affect POSIX systems. Patch by tuktuk Reviewers: kcc, vitalybuka Reviewed By: vitalybuka Subscribers: dexonsmith, jdoerfert, llvm-commits, #sanitizers Tags: #llvm, #sanitizers Differential Revision: https://reviews.llvm.org/D60008 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357807 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Make test work on Linux, pt. 2Julian Lettner2019-04-051-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357741 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Make test work on LinuxJulian Lettner2019-04-041-3/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357729 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Stricter checks via `--implicit-check-not`Julian Lettner2019-04-047-16/+8
| | | | | | | | `--implicit-check-not='ThreadSanitizer'` checks in the entire output while `// CHECK-NOT: ThreadSanitizer` only checks after (before) the previous (next) match. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357727 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Specify libdispatch header dir for lit testsJulian Lettner2019-04-042-6/+7
| | | | | | | | | Specify libdispatch header dir (include path) for lit tests. This is the last missing piece in order to run the libdispatch tests on Linux even when libdispatch is installed in a custom path instead of a default (system) location. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357707 91177308-0d34-0410-b5e6-96231b3b80d8
* [NFC][TSan][libdispatch] Better CMake variable namesJulian Lettner2019-04-041-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357664 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typos in tests. NFC.Xing GUO2019-04-031-1/+1
| | | | | | | | | | | | | | Reviewers: Higuoxing Reviewed By: Higuoxing Subscribers: kubamracek, cfe-commits, #sanitizers, llvm-commits Tags: #clang, #sanitizers, #llvm Differential Revision: https://reviews.llvm.org/D60183 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357577 91177308-0d34-0410-b5e6-96231b3b80d8
* [NFC][TSan][libdispatch] Cleanup testJulian Lettner2019-04-021-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357530 91177308-0d34-0410-b5e6-96231b3b80d8
* [NFC] Test is C++, not CJulian Lettner2019-04-021-0/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357524 91177308-0d34-0410-b5e6-96231b3b80d8
* [NFC][libdispatch] Improve a few testsJulian Lettner2019-04-023-6/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357510 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix tests after r357452Hans Wennborg2019-04-022-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357462 91177308-0d34-0410-b5e6-96231b3b80d8
* [compiler-rt][test] Make instrprof-set-dir-mode test tolerant of group IDMatt Davis2019-04-021-1/+5
| | | | | | | | | | | | | | | | | | | Patch from 'troyj': Hi, I ran into a problem with this test when the source was located in certain directories. The mkdir(2) man page states that the set-group-ID bit is inherited from the parent directory, but this test was written in such a way that it assumes the bit is unset. Whether that assumption is true depends on where the checkout lives, which leads to some people being able to reproduce the problem whereas others cannot. I think the correct fix is to exclude the bit from the check. Making probinson a reviewer since they reviewed the original test. Patch landed for troyj, thanks! Differential Revision: D53832 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357449 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sanitizer] Add interceptor for wctombPavel Labath2019-03-291-0/+14
| | | | | | | | | | | | | | | | | Summary: This is required to avoid msan false positives for code using this function (although generally one should avoid using this function in favor of wcrtomb). Reviewers: eugenis, EricWF, vitalybuka Subscribers: srhines, kubamracek, fedor.sergeev, delcypher, llvm-commits, #sanitizers Tags: #llvm, #sanitizers Differential Revision: https://reviews.llvm.org/D59548 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357240 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "[builtins] Rounding mode support for addxf3/subxf3"Yi Kong2019-03-272-43/+1
| | | | | | | | This reverts commit 2cabea054e40ae2837da959d0ca89ae25cf1b1f1. Test failure on buildbots. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357048 91177308-0d34-0410-b5e6-96231b3b80d8
* [builtins] Rounding mode support for addxf3/subxf3Yi Kong2019-03-262-1/+43
| | | | | | | | | | | | | | | | | Implement rounding mode support for addxf3/subxf3. On architectures that implemented the support, this will access the corresponding floating point environment register to apply the correct rounding. For other architectures, it will keep the current behaviour and use IEEE-754 default rounding mode (to nearest, ties to even). ARM32/AArch64 support implemented in this change. i386 and AMD64 will be added in a follow up change. Differential Revision: https://reviews.llvm.org/D57143 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@357035 91177308-0d34-0410-b5e6-96231b3b80d8
* [NFC][TSan][libdispatch] Don't use ignore_noninstrumented_modules on LinuxJulian Lettner2019-03-221-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@356728 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable `asan/TestCases/Posix/start-deactivated.cc` test for iOS.Dan Liew2019-03-212-2/+1
| | | | | | | | | | | | | | | | | | | Summary: To make this test pass it was necesary to change `iossim_run.py` to propagate the `ASAN_ACTIVATION_OPTIONS` environment variable into the testing environment. rdar://problem/49114807 Reviewers: kubamracek, yln, serge-sans-paille Subscribers: #sanitizers, llvm-commits Tags: #sanitizers, #llvm Differential Revision: https://reviews.llvm.org/D59660 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@356701 91177308-0d34-0410-b5e6-96231b3b80d8
* [builtins] Divide shouldn't underflow if rounded result would be normal.Eli Friedman2019-03-193-2/+97
| | | | | | | | | | | | | We were treating certain edge cases that are actually normal as denormal results, and flushing them to zero; we shouldn't do that. Not sure this is the cleanest way to implement this edge case, but I wanted to avoid adding any code on the common path. Differential Revision: https://reviews.llvm.org/D59070 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@356529 91177308-0d34-0410-b5e6-96231b3b80d8
* [asan] Disable -Wfortify-source in intentional OOB testsReid Kleckner2019-03-182-4/+4
| | | | | | Needed after r356397 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@356426 91177308-0d34-0410-b5e6-96231b3b80d8
* [NFC][TSan][libdispatch] Fix test for dispatch_apply[_f]Julian Lettner2019-03-181-12/+18
| | | | | | | | | | | | | | | | * Array index out of bounds: 100 iterations, but size of array is 2. * Unmatched barrier_init (2) with barrier_wait (200) * Number of iterations must be smaller than the available parallelism for the queue, otherwise we deadlock (since every barrier_wait call blocks the thread). Scary: All of this worked reliably in gcd-apply.mm (for Darwin) Rievewed By: kubamracek Differential Revision: https://reviews.llvm.org/D59510 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@356418 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Configure libdispatch lit testsJulian Lettner2019-03-161-1/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@356311 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan][libdispatch] Enable linking and running of tests on LinuxJulian Lettner2019-03-151-0/+3
| | | | | | | | | | | | | | | | | | | | | When COMPILER_RT_INTERCEPT_LIBDISPATCH is ON the TSan runtime library now has a dependency on the blocks runtime and libdispatch. Make sure we set all the required linking options. Also add cmake options for specifying additional library paths to instruct the linker where to search for libdispatch and the blocks runtime. This allows us to build TSan runtime with libdispatch support without installing those libraries into default linker library paths. `CMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY` is necessary to avoid aborting the build due to failing the link step in CMake's check_c_compiler test. Reviewed By: dvyukov, kubamracek Differential Revision: https://reviews.llvm.org/D59334 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@356281 91177308-0d34-0410-b5e6-96231b3b80d8
* [NFC][TSan] Move libdispatch tests into their own subfolderJulian Lettner2019-03-1414-31/+18
| | | | | | | | | | | | | | | | | Remove 'gcd' file prefix. GCD stands for Grand Central Dispatch, which is another name for libdispatch. https://apple.github.io/swift-corelibs-libdispatch/ Remove `REQUIRE: dispatch` from tests. Also rename lit feature 'dispatch' -> 'libdispatch' to be more explicit what this is about. Reviewed By: kubamracek Differential Revision: https://reviews.llvm.org/D59341 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@356202 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove ASan asm instrumentation.Evgeniy Stepanov2019-03-111-33/+0
| | | | | | | | | | | | | | Summary: It is incomplete and has no users AFAIK. Reviewers: pcc, vitalybuka Subscribers: srhines, kubamracek, mgorny, krytarowski, eraman, hiraditya, jdoerfert, #sanitizers, llvm-commits, thakis Tags: #sanitizers, #llvm Differential Revision: https://reviews.llvm.org/D59154 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@355870 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove esan.Nico Weber2019-03-1116-984/+0
| | | | | | | | | | | It hasn't seen active development in years, and it hasn't reached a state where it was useful. Remove the code until someone is interested in working on it again. Differential Revision: https://reviews.llvm.org/D59133 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@355862 91177308-0d34-0410-b5e6-96231b3b80d8
* [HWASan] Save + print registers when tag mismatch occurs in AArch64.Mitch Phillips2019-03-081-0/+43
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This change change the instrumentation to allow users to view the registers at the point at which tag mismatch occured. Most of the heavy lifting is done in the runtime library, where we save the registers to the stack and emit unwind information. This allows us to reduce the overhead, as very little additional work needs to be done in each __hwasan_check instance. In this implementation, the fast path of __hwasan_check is unmodified. There are an additional 4 instructions (16B) emitted in the slow path in every __hwasan_check instance. This may increase binary size somewhat, but as most of the work is done in the runtime library, it's manageable. The failure trace now contains a list of registers at the point of which the failure occured, in a format similar to that of Android's tombstones. It currently has the following format: Registers where the failure occurred (pc 0x0055555561b4): x0 0000000000000014 x1 0000007ffffff6c0 x2 1100007ffffff6d0 x3 12000056ffffe025 x4 0000007fff800000 x5 0000000000000014 x6 0000007fff800000 x7 0000000000000001 x8 12000056ffffe020 x9 0200007700000000 x10 0200007700000000 x11 0000000000000000 x12 0000007fffffdde0 x13 0000000000000000 x14 02b65b01f7a97490 x15 0000000000000000 x16 0000007fb77376b8 x17 0000000000000012 x18 0000007fb7ed6000 x19 0000005555556078 x20 0000007ffffff768 x21 0000007ffffff778 x22 0000000000000001 x23 0000000000000000 x24 0000000000000000 x25 0000000000000000 x26 0000000000000000 x27 0000000000000000 x28 0000000000000000 x29 0000007ffffff6f0 x30 00000055555561b4 ... and prints after the dump of memory tags around the buggy address. Every register is saved exactly as it was at the point where the tag mismatch occurs, with the exception of x16/x17. These registers are used in the tag mismatch calculation as scratch registers during __hwasan_check, and cannot be saved without affecting the fast path. As these registers are designated as scratch registers for linking, there should be no important information in them that could aid in debugging. Reviewers: pcc, eugenis Reviewed By: pcc, eugenis Subscribers: srhines, kubamracek, mgorny, javed.absar, krytarowski, kristof.beyls, hiraditya, jdoerfert, llvm-commits, #sanitizers Tags: #sanitizers, #llvm Differential Revision: https://reviews.llvm.org/D58857 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@355738 91177308-0d34-0410-b5e6-96231b3b80d8
* Reland compiler-rt support for order file instrumentation.Manman Ren2019-03-083-0/+41
| | | | | | | | | | | | | | | | r355343 was landed and was reverted in r355363 due to build breakage. This patch adds Linux/Windows support on top of r355343. In this patch, Darwin should be working with testing case. Linux should be working, I will enable the testing case in a follwup diff. Windows/Other should be building. Correct implementation for Other platforms will be added. Thanks David for reviewing the original diff, helping me with issues on Linux, and giving suggestions for adding support for Other platforms. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@355701 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan] Temporarily disable test which fails on build botJulian Lettner2019-03-071-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@355642 91177308-0d34-0410-b5e6-96231b3b80d8
* [TSan] Temporarily disable test which fails on build botJulian Lettner2019-03-071-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@355633 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete x86_64 ShadowCallStack supportVlad Tsyrklevich2019-03-076-30/+7
| | | | | | | | | | | | | | | | | | | | | Summary: ShadowCallStack on x86_64 suffered from the same racy security issues as Return Flow Guard and had performance overhead as high as 13% depending on the benchmark. x86_64 ShadowCallStack was always an experimental feature and never shipped a runtime required to support it, as such there are no expected downstream users. Reviewers: pcc Reviewed By: pcc Subscribers: mgorny, javed.absar, hiraditya, jdoerfert, cfe-commits, #sanitizers, llvm-commits Tags: #clang, #sanitizers, #llvm Differential Revision: https://reviews.llvm.org/D59034 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@355624 91177308-0d34-0410-b5e6-96231b3b80d8
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