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2016-05-27This patch is activating the build of Asan on Windows 64-bits.Etienne Bergeron
It's fixing compilation errors. The runtime is not yet working. Missing features: OverrideFunction for x64 an equiv function for inline asm (atomic_compare_exchange_strong) shadow memory offset needs to be adjusted RoundUpToInstrBoundary for x64 They will be implemented by subsequent patches. Patch by Wei Wang. Differential revision: http://reviews.llvm.org/D20455 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@271049 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-25Fix columns for member function callsHal Finkel
After r270775, Clang is smarter about the generating the locations for member-function calls. Update some ubsan tests accordingly. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@270801 91177308-0d34-0410-b5e6-96231b3b80d8
2016-04-16Replace hardcoded comment at 'lit.site.cfg.in'Alex Denisov
At the moment almost every lit.site.cfg.in contains two lines comment: ## Autogenerated by LLVM/Clang configuration. # Do not edit! The patch adds variable LIT_SITE_CFG_IN_HEADER, that is replaced from configure_lit_site_cfg with the note and some useful information. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@266520 91177308-0d34-0410-b5e6-96231b3b80d8
2016-04-06[sancov] enabling coverage edge pruning by default.Mike Aizatsky
Differential Revision: http://reviews.llvm.org/D18845 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@265614 91177308-0d34-0410-b5e6-96231b3b80d8
2016-03-12Fix bad regression from r263077 when building with MSVC.Nico Weber
That change did: -#if defined(__BIG_ENDIAN__) +#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ If __BYTE_ORDER__ and __ORDER_BIG_ENDIAN__ aren't defined, like they are with MSVC, this condition is true (0 == 0). Fixes PR26919. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@263324 91177308-0d34-0410-b5e6-96231b3b80d8
2016-03-12Disable a test that started failing recently; see PR26919.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@263311 91177308-0d34-0410-b5e6-96231b3b80d8
2016-03-04[ubsan/float-cast-overflow] Make the test also work with C++11 narrowingFilipe Cabecinhas
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@262733 91177308-0d34-0410-b5e6-96231b3b80d8
2016-03-03[test/ubsan/coverage-levels] Fix file references in UBSAN_OPTIONSFilipe Cabecinhas
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@262632 91177308-0d34-0410-b5e6-96231b3b80d8
2016-03-02[test/vptr-non-unique-typeinfo] Address Samsonov's post-commit reviewFilipe Cabecinhas
Reviewers: samsonov Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D17783 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@262469 91177308-0d34-0410-b5e6-96231b3b80d8
2016-02-29Avoid use of -fsanitize=vptr in MSVC env, it is not yet supportedReid Kleckner
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@262251 91177308-0d34-0410-b5e6-96231b3b80d8
2016-02-27[UBSan] Fix isDerivedFromAtOffset on iOS ARM64Filipe Cabecinhas
Summary: iOS on ARM64 doesn't unique RTTI. Ref: clang's iOS64CXXABI::shouldRTTIBeUnique() Due to this, pointer-equality will not necessarily work in this architecture, across dylib boundaries. dynamic_cast<>() will (as expected) still work, since Apple ships with one prepared for this, but we can't rely on the type names being pointer-equal. I've limited the expensive strcmp check to the specific architecture which needs it. Example which triggers this bug: lib.h: struct X { virtual ~X() {} }; X *libCall(); lib.mm: X *libCall() { return new X; } prog.mm: int main() { X *px = libCall(); delete px; } Expected output: Nothing Actual output: <unknown>: runtime error: member call on address 0x00017001ef50 which does not point to an object of type 'X' 0x00017001ef50: note: object is of type 'X' 00 00 00 00 60 00 0f 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^~~~~~~~~~~~~~~~~~~~~~~ vptr for ‘X’ Reviewers: kubabrecka, samsonov, eugenis, rsmith Subscribers: aemerson, llvm-commits, rengolin Differential Revision: http://reviews.llvm.org/D11502 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@262147 91177308-0d34-0410-b5e6-96231b3b80d8
2016-02-23[tests] Always specify correct config.target_arch when configuring test suite.Alexey Samsonov
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@261601 91177308-0d34-0410-b5e6-96231b3b80d8
2016-02-01[ubsan] Stop thinking we can rely on C++ ABI knowledge on WindowsReid Kleckner
We already disabled various tests relying on C++ ABI knowledge, but we still tried to build in this configuration on Windows which was a mistake. Fixes PR26415. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@259388 91177308-0d34-0410-b5e6-96231b3b80d8
2016-01-22When building without DIA SDK, don't set suppressions.cpp failNico Weber
This test requires llvm-symbolizer to be able to convert a stack address into a function name. It is only able to do this if the DIA SDK was found at cmake time. Add a lit feature for this, and let the test depend on it. See also discussion in D15363. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@258545 91177308-0d34-0410-b5e6-96231b3b80d8
2016-01-15Re-disable suppressions.cpp on Windows.Nico Weber
See discussion in http://reviews.llvm.org/D15363 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@257952 91177308-0d34-0410-b5e6-96231b3b80d8
2016-01-08Make ubsan suppression test pass on Windows.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@257183 91177308-0d34-0410-b5e6-96231b3b80d8
2015-12-23XFAIL ubsan suppressions.cpp test on Windows for now.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@256307 91177308-0d34-0410-b5e6-96231b3b80d8
2015-12-18[UBSan] Implement runtime suppressions (PR25066).Alexey Samsonov
Summary: Add the ability to suppress UBSan reports for files/functions/modules at runtime. The user can now pass UBSAN_OPTIONS=suppressions=supp.txt with the contents of the form: signed-integer-overflow:file-with-known-overflow.cpp alignment:function_doing_unaligned_access vptr:shared_object_with_vptr_failures.so Suppression categories match the arguments passed to -fsanitize= flag (although, see below). There is no overhead if suppressions are not provided. Otherwise there is extra overhead for symbolization. Limitations: 1) sometimes suppressions need debug info / symbol table to function properly (although sometimes frontend generates enough info to do the match). 2) it's only possible to suppress recoverable UB kinds - if you've built the code with -fno-sanitize-recover=undefined, suppressions will not work. 3) categories are fine-grained check kinds, not groups like "undefined" or "integer", so you can't write "undefined:file_with_ub.cc". Reviewers: rsmith, kcc Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D15363 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@256018 91177308-0d34-0410-b5e6-96231b3b80d8
2015-12-10Revert "[CMake] Provide options for toggling on and off various runtime ↵Chris Bieneman
libraries." This reverts r255170. This change caused a bunch of bot failures and needs to be revised. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@255184 91177308-0d34-0410-b5e6-96231b3b80d8
2015-12-09[CMake] Provide options for toggling on and off various runtime libraries.Chris Bieneman
Summary: Rather than having to add new "experimental" options each time someone wants to work on bringing a sanitizer to a new platform, this patch makes options for all of them. The default values for the options are set by the platform checks that would have enabled them, but they can be overridden on or off. Reviewers: kubabrecka, samsonov Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D14846 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@255170 91177308-0d34-0410-b5e6-96231b3b80d8
2015-12-01Fix the RUN on UBSAN unit testsSumanth Gundapaneni
For the build set up which runs the unit tests using an emulator like QEMU, the unit tests must be run using %run. Differential Revision: http://reviews.llvm.org/D15081 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@254467 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-20Reapply: [asan] On OS X, log reports to syslog and os_traceAnna Zaks
When ASan currently detects a bug, by default it will only print out the text of the report to stderr. This patch changes this behavior and writes the full text of the report to syslog before we terminate the process. It also calls os_trace (Activity Tracing available on OS X and iOS) with a message saying that the report is available in syslog. This is useful, because this message will be shown in the crash log. For this to work, the patch makes sure we store the full report into error_message_buffer unconditionally, and it also strips out ANSI escape sequences from the report (they are used when producing colored reports). I've initially tried to log to syslog during printing, which is done on Android right now. The advantage is that if we crash during error reporting or the produced error does not go through ScopedInErrorReport, we would still get a (partial) message in the syslog. However, that solution is very problematic on OS X. One issue is that the logging routine uses GCD, which may spawn a new thread on its behalf. In many cases, the reporting logic locks threadRegistry, which leads to deadlocks. Reviewed at http://reviews.llvm.org/D13452 (In addition, add sanitizer_common_libcdep.cc to buildgo.sh to avoid build failures on Linux.) git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@253688 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-04Revert "Reapply: [asan] On OS X, log reports to syslog and os_trace"Juergen Ributzka
Looks like this commit is deadlocking the ASAN tests on the green dragon bot (http://lab.llvm.org:8080/green/job/clang-stage1-cmake-RA/). git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@252076 91177308-0d34-0410-b5e6-96231b3b80d8
2015-10-28Reapply: [asan] On OS X, log reports to syslog and os_traceAnna Zaks
When ASan currently detects a bug, by default it will only print out the text of the report to stderr. This patch changes this behavior and writes the full text of the report to syslog before we terminate the process. It also calls os_trace (Activity Tracing available on OS X and iOS) with a message saying that the report is available in syslog. This is useful, because this message will be shown in the crash log. For this to work, the patch makes sure we store the full report into error_message_buffer unconditionally, and it also strips out ANSI escape sequences from the report (they are used when producing colored reports). I've initially tried to log to syslog during printing, which is done on Android right now. The advantage is that if we crash during error reporting or the produced error does not go through ScopedInErrorReport, we would still get a (partial) message in the syslog. However, that solution is very problematic on OS X. One issue is that the logging routine uses GCD, which may spawn a new thread on its behalf. In many cases, the reporting logic locks threadRegistry, which leads to deadlocks. Reviewed at http://reviews.llvm.org/D13452 (In addition, add sanitizer_common_libcdep.cc to buildgo.sh to avoid build failures on Linux.) git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@251577 91177308-0d34-0410-b5e6-96231b3b80d8
2015-10-27Revert "[asan] On OS X, log reports to syslog and os_trace"Anna Zaks
This reverts commit 251447. (Which caused failures on a Linux bot.) git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@251467 91177308-0d34-0410-b5e6-96231b3b80d8
2015-10-27[asan] On OS X, log reports to syslog and os_traceAnna Zaks
When ASan currently detects a bug, by default it will only print out the text of the report to stderr. This patch changes this behavior and writes the full text of the report to syslog before we terminate the process. It also calls os_trace (Activity Tracing available on OS X and iOS) with a message saying that the report is available in syslog. This is useful, because this message will be shown in the crash log. For this to work, the patch makes sure we store the full report into error_message_buffer unconditionally, and it also strips out ANSI escape sequences from the report (they are used when producing colored reports). I've initially tried to log to syslog during printing, which is done on Android right now. The advantage is that if we crash during error reporting or the produced error does not go through ScopedInErrorReport, we would still get a (partial) message in the syslog. However, that solution is very problematic on OS X. One issue is that the logging routine uses GCD, which may spawn a new thread on its behalf. In many cases, the reporting logic locks threadRegistry, which leads to deadlocks. Reviewed at http://reviews.llvm.org/D13452 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@251447 91177308-0d34-0410-b5e6-96231b3b80d8
2015-10-23Fixup test/ubsan/TestCases/Misc/coverage-levels.cc, LLVM is smarterHal Finkel
Fixing up this test case because LLVM is smarter now, and can better analyze: if ((argc << shift) == 16) in this test case. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@251147 91177308-0d34-0410-b5e6-96231b3b80d8
2015-10-12[ubsan] Invoke test program using %run.Filipe Cabecinhas
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@250063 91177308-0d34-0410-b5e6-96231b3b80d8
2015-09-18[compiler-rt] [sanitizer] Clean buildbot failures for aarch64Adhemerval Zanella
Currently aarch64 lacks instrumentation support for variadic arguments for MSan. This patch sets the UBSan tests that uses it as to require stable-runtime and sets aarch64/ubsan as an unstable one. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@247996 91177308-0d34-0410-b5e6-96231b3b80d8
2015-09-17Revert "ubsan: Implement memory permission validation for vtables."Evgeniy Stepanov
This reverts r247484 and two follow-up commits. Breaks ppc and x86_64 sanitizer bots. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@247921 91177308-0d34-0410-b5e6-96231b3b80d8
2015-09-16[MSan] Enable MSAN for aarch64Adhemerval Zanella
This patch enabled msan for aarch64 with 39-bit VMA and 42-bit VMA. As defined by lib/msan/msan.h the memory layout used is for 39-bit is: 00 0000 0000 - 40 0000 0000: invalid 40 0000 0000 - 43 0000 0000: shadow 43 0000 0000 - 46 0000 0000: origin 46 0000 0000 - 55 0000 0000: invalid 55 0000 0000 - 56 0000 0000: app (low) 56 0000 0000 - 70 0000 0000: invalid 70 0000 0000 - 80 0000 0000: app (high) And for 42-bit VMA: 000 0000 0000 - 100 0000 0000: invalid 100 0000 0000 - 11b 0000 0000: shadow 11b 0000 0000 - 120 0000 0000: invalid 120 0000 0000 - 13b 0000 0000: origin 13b 0000 0000 - 2aa 0000 0000: invalid 2aa 0000 0000 - 2ab 0000 0000: app (low) 2ab 0000 0000 - 3f0 0000 0000: invalid 3f0 0000 0000 - 400 0000 0000: app (high) Most of tests are passing with exception of: * Linux/mallinfo.cc * chained_origin_limits.cc * dlerror.cc * param_tls_limit.cc * signal_stress_test.cc * nonnull-arg.cpp The 'Linux/mallinfo.cc' is due the fact AArch64 returns the sret in 'x8' instead of default first argument 'x1'. So a function prototype that aims to mimic (by using first argument as the return of function) won't work. For GCC one can make a register alias (register var asm ("r8")), but for clang it detects is an unused variable and generate wrong code. The 'chained_origin_limits' is probably due a wrong code generation, since it fails only when origin memory is used (-fsanitize-memory-track-origins=2) and only in the returned code (return buf[50]). The 'signal_streess_test' and 'nonnull-arg' are due currently missing variadic argument handling in memory sanitizer code instrumentation on LLVM side. Both 'dlerror' and 'param_tls_test' are unknown failures that require further investigation. All the failures are XFAIL for aarch64 for now. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@247809 91177308-0d34-0410-b5e6-96231b3b80d8
2015-09-12ubsan: Also disable vptr validation on powerpc64le.Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@247499 91177308-0d34-0410-b5e6-96231b3b80d8
2015-09-12ubsan: Disable vptr validation on powerpc64.Peter Collingbourne
Should fix sanitizer-ppc64-linux1 bot. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@247493 91177308-0d34-0410-b5e6-96231b3b80d8
2015-09-11ubsan: Implement memory permission validation for vtables.Peter Collingbourne
If the pointer passed to the getVtablePrefix function was read from a freed object, we may end up following pointers into objects on the heap and printing bogus dynamic type names in diagnostics. However, we know that vtable pointers will generally only point into memory mapped from object files, not objects on the heap. This change causes us to only follow pointers in a vtable if the vtable and one of the virtual functions it points to appear to have appropriate permissions (i.e. non-writable, and maybe executable), which will generally exclude heap pointers. Only enabled for Linux; this hasn't been tested on FreeBSD, and vtables are writable on Mac (PR24782) so this won't work there. Differential Revision: http://reviews.llvm.org/D12790 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@247484 91177308-0d34-0410-b5e6-96231b3b80d8
2015-09-01Mark the log_path ubsan test as requiring a shell. It uses globs.Reid Kleckner
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@246566 91177308-0d34-0410-b5e6-96231b3b80d8
2015-08-27[Sanitizers] Make abort_on_error common flag.Alexey Samsonov
Summary: Teach all sanitizers to call abort() instead of _exit() after printing an error report, if requested. This behavior is the default on Mac OS. Reviewers: kcc, kubabrecka Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D12332 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@246205 91177308-0d34-0410-b5e6-96231b3b80d8
2015-08-25[UBSan] Test churn: use the approach from r244839 and r245962 in UBSan lit ↵Alexey Samsonov
tests. Introduce %env_ubsan_opts= substitution instead of specifying UBSAN_OPTIONS manually in the RUN-lines. This will come in handy once we introduce some default UBSAN_OPTIONS for the whole testsuite (for instance, make abort_on_error common option). git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@245967 91177308-0d34-0410-b5e6-96231b3b80d8
2015-08-24[UBSan] Add the ability to print more precise error kind in summary line.Alexey Samsonov
Reviewers: rsmith, pcc Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D12215 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@245897 91177308-0d34-0410-b5e6-96231b3b80d8
2015-08-21[CMake] Need to filter out test architectures on ubsan as well.Chris Bieneman
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@245714 91177308-0d34-0410-b5e6-96231b3b80d8
2015-08-18Revert "[sanitizer] Move definition of stable-runtime to common lit config."Renato Golin
This reverts commit r245263, and the change wasn't catched by UBsan. It also reverts: "[ARM] Also disable stable-runtime check on UBsan, to use generic one" (r245287), as it didn't fix the UBsan builds. We need to investigate what's going on before continuing, since this is breaking all ARM RT buildbots for a while. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@245292 91177308-0d34-0410-b5e6-96231b3b80d8
2015-08-18[ARM] Also disable stable-runtime check on UBsan, to use generic oneRenato Golin
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@245287 91177308-0d34-0410-b5e6-96231b3b80d8
2015-08-12[windows] Always use the lit shell on Windows, even if bash is presentReid Kleckner
Summary: This is consistent with LLVM and Clang. The lit shell isn't a complete bash implementation, but its behavior is more easily reproducible. This fixes some ubsan test failures. One ubsan test requires a shell currently, so I added "REQUIRES: shell", and the other doesn't work on Windows because it prints a stack trace and uses a linker that doesn't support DWARF. We can fix it eventually through other means. Reviewers: samsonov, pcc Subscribers: yaron.keren, filcab, llvm-commits Differential Revision: http://reviews.llvm.org/D11960 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@244837 91177308-0d34-0410-b5e6-96231b3b80d8
2015-08-11[compiler-rt] Add SourceLocations for float_cast_overflow data.Filipe Cabecinhas
Summary: Compiler-rt part of http://reviews.llvm.org/D11757 I ended up making UBSan work with both the old version and the new version of the float_cast_overflow data (instead of just erroring with the previous version). The old version will try to symbolize its caller. Now we compile the float_cast_overflow tests without -g, and make sure we have the source file+line+column. If you think I'm trying too hard to make sure we can still use both versions, let me know. Reviewers: samsonov, rsmith Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D11793 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@244567 91177308-0d34-0410-b5e6-96231b3b80d8
2015-08-05[UBSan] Fix UBSan-vptr false positive.Alexey Samsonov
Offset from vptr to the start of most-derived object can actually be positive in some virtual base class vtables. Patch by Stephan Bergmann! git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@244101 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-31[UBSan] Test: Move coverage-levels.cc out of Linux directoryFilipe Cabecinhas
Summary: This test is working on other platforms. Reviewers: samsonov, emaste Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D10415 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@243771 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-28Applying the Darwin-specific default lit ASAN_OPTIONS to UBSan+ASan tests asKuba Brecka
well. Should fix the test failures after r243418, see review at http://reviews.llvm.org/D7203. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@243423 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-08CFI: Get check-cfi passing on Windows.Peter Collingbourne
Specifically: - Start using %expect_crash. - Provide an implementation of __ubsan::getDynamicTypeInfoFromVtable for the Microsoft C++ ABI. This is all that is needed for CFI diagnostics; UBSan's -fsanitize=vptr also requires an implementation of __ubsan::checkDynamicType. - Build the sanitizer runtimes against the release version of the C runtime, even in debug builds. - Accommodate demangling differences in tests. Differential Revision: http://reviews.llvm.org/D11029 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@241745 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-02UBSan: Enable runtime library tests on Windows, and get most tests passing.Peter Collingbourne
Specifically: - Disable int128 tests on Windows, as MSVC cl.exe does not support int128, so we might not have been able to build the runtime with int128 support. - XFAIL the vptr tests as we lack Microsoft ABI support. - XFAIL enum.cpp as UBSan fails to add the correct instrumentation code for some reason. - Modify certain tests that build executables multiple times to use unique names for each executable. This works around a race condition observed on Windows. - Implement IsAccessibleMemoryRange for Windows to fix the last misaligned.cpp test. - Introduce a substitution for testing crashes on Windows using KillTheDoctor. Differential Revision: http://reviews.llvm.org/D10864 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@241303 91177308-0d34-0410-b5e6-96231b3b80d8
2015-06-25[CMake] Fix PR23539: Don't reference C++ ABI symbols prior to Mac OS 10.9.Alexey Samsonov
Summary: This patch implements step 1 from https://llvm.org/bugs/show_bug.cgi?id=23539#c10 I'd appreciate if you could test it on Mac OS and verify that parts of UBSan runtime that reference C++ ABI symbols are properly excluded, and fix ASan/UBSan builds. Test Plan: regression test suite Reviewers: thakis, hans Subscribers: llvm-commits, zaks.anna, kubabrecka Differential Revision: http://reviews.llvm.org/D10621 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@240617 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-19[sanitizer][MIPS] Add --target flag for MIPS32Sagar Thakur
Without the --target flag, clang uses the mips64 triple which selects the n64 abi. We need to add --target=mips-linux-gnu, so that clang can select the correct abi for mips32r2. Reviewers: dsanders, kcc, samsonov Subscribers: llvm-commits, mohit.bhakkad, jaydeep Differential Revision: http://reviews.llvm.org/D9249 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@237675 91177308-0d34-0410-b5e6-96231b3b80d8
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