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Multi-config CMake generators need lit to be able to resolve paths of
artifacts from previous build steps at lit time, rather than expect them
to be fully resolved at CMake time as they may contain the build mode.
Differential Revision: https://reviews.llvm.org/D38471
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Make it possible to control building profile runtime separately from
other options. Before r313549, the profile runtime building was
controlled along with sanitizers. However, since that commit it is built
unconditionally which results in multiple builds for people building
different runtimes separately.
Differential Revision: https://reviews.llvm.org/D38441
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This should fix an issue which arises when running check-compiler-rt on
the coverage bot:
http://green.lab.llvm.org/green/job/clang-stage2-coverage-R_build/1590/
The bot doesn't build the sanitizers, but the check-compiler-rt target
always expects the profile runtime to exist.
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Test just needs profile.
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Breaks buildbot with
CMake Error at projects/compiler-rt/test/CMakeLists.txt:76 (add_dependencies):
The dependency target "check-ubsan-minimal" of target "check-ubsan" does
not exist.
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Summary: This way we don't need to add check-ubsan-minimal steps to all the bots.
Reviewers: vitalybuka
Subscribers: mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D37350
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Should fix:
http://green.lab.llvm.org/green/job/clang-stage2-coverage-R_build/1527
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Resulting library binaries will be named libclang_rt.fuzzer*, and will
be placed in Clang toolchain, allowing redistribution.
Differential Revision: https://reviews.llvm.org/D36908
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Summary: Cleaner than computing the intersection for each possible sanitizer
Reviewers: compnerd, beanz
Subscribers: llvm-commits, mgorny
Differential Revision: https://reviews.llvm.org/D34693
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Summary: This allows check-all to be used when only a subset of the sanitizers are built.
Reviewers: beanz, compnerd, rnk, pcc
Subscribers: llvm-commits, mgorny
Differential Revision: https://reviews.llvm.org/D34644
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COMPILER_RT_SANITIZERS_TO_BUILD is used"
This breaks cfi testing in cases when the cfi runtime isn't built.
This reverts commit 1c6a7b07545f0c9ce68e8b226f5397694ce48af7.
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Summary: This allows check-all to be used when only a subset of the sanitizers are built.
Reviewers: beanz, compnerd
Subscribers: llvm-commits, mgorny
Differential Revision: https://reviews.llvm.org/D34644
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Cover the sanitizer tests with COMPILER_RT_BUILD_SANITIZERS
conditional, and add COMPILER_RT_BUILD_XRAY conditional to the xray
tests. This makes it possible to do a pure-builtins build with tests
enabled.
Differential Revision: https://reviews.llvm.org/D32489
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Looks like the problem was a case-insensitive include of dispatch/dispatch.h.
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This reverts r297382, it was causing build failures.
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This predicate compares the host's marketing OS version to one passed as
argument. Currently, only darwin targets are supported. This is done by parsing
the SystemVersion.plist file.
Also added in this patch is some lit testing infrastructure for builtins, which
previously had none. This part of the patch was written by Alex Lorenz (with
some minor modifications).
This patch is part of a feature I proposed here:
http://lists.llvm.org/pipermail/cfe-dev/2016-July/049851.html
Differential revision: https://reviews.llvm.org/D30136
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Summary:
ASan needs to initialize before ucrtbase.dll so that it can intercept
all of its heap allocations. New versions of dbghelp.dll depend on
ucrtbase.dll, which means both of those DLLs will initialize before the
dynamic ASan runtime. By lazily loading dbghelp.dll with LoadLibrary, we
avoid the issue.
Eventually, I would like to remove our dbghelp.dll dependency in favor
of always using llvm-symbolizer.exe, but this seems like an acceptable
interim solution.
Fixes PR30903
Reviewers: etienneb
Subscribers: kubabrecka, mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D26473
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This exposes a target for building the compiler-rt test dependencies and matches llvm-test-depends.
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Durning standalone builds (which includes runtimes builds) we want to create a target named check-compiler-rt. Additionally we also create check-all if it doesn't already exist as a convienence target that depends on check-compiler-rt.
This allows us to generate a single check target that invokes lit for all test suites in the runtimes projects, while avoiding name collision of check-all and not breaking existing workflows.
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Summary:
We also add one test (and the XRay testing infrastructure) to exercise
the patching and unpatching code. This uses the XRay API exported
through the headers as well, installing a custom log handler.
Depends on D23101 for the updated emitted code alignment for the
return/entry sleds.
Reviewers: rSerge, echristo, rnk
Subscribers: tberghammer, danalbert, srhines, mehdi_amini, llvm-commits
Differential Revision: https://reviews.llvm.org/D23154
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Summary:
The unittests recently added were not running when executing 'check-all'.
Tests are stable on every archictetures and we can now turn them on.
Reviewers: rnk
Subscribers: llvm-commits, wang0109, chrisha
Differential Revision: https://reviews.llvm.org/D22695
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Summary:
This is an initial implementation of a Hardened Allocator based on Sanitizer Common's CombinedAllocator.
It aims at mitigating heap based vulnerabilities by adding several features to the base allocator, while staying relatively fast.
The following were implemented:
- additional consistency checks on the allocation function parameters and on the heap chunks;
- use of checksum protected chunk header, to detect corruption;
- randomness to the allocator base;
- delayed freelist (quarantine), to mitigate use after free and overall determinism.
Additional mitigations are in the works.
Reviewers: eugenis, aizatsky, pcc, krasin, vitalybuka, glider, dvyukov, kcc
Subscribers: kubabrecka, filcab, llvm-commits
Differential Revision: http://reviews.llvm.org/D20084
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@271968 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Adds the initial version of a runtime library for the new
EfficiencySanitizer ("esan") family of tools. The library includes:
+ Slowpath code via callouts from the compiler instrumentation for
each memory access.
+ Registration of atexit() to call finalization code.
+ Runtime option flags controlled by the environment variable
ESAN_OPTIONS. The common sanitizer flags are supported such as
verbosity and log_path.
+ An initial simple test.
Still TODO: common code for libc interceptors and shadow memory mapping,
and tool-specific code for shadow state updating.
Reviewers: eugenis, vitalybuka, aizatsky, filcab
Subscribers: filcab, vkalintiris, kubabrecka, llvm-commits, zhaoqin, kcc
Differential Revision: http://reviews.llvm.org/D19168
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If we don't create the target, don't try to add it as a dependency.
After r265595, we were only creating the SanitizerLintCheck when
`CMAKE_HOST_UNIX` was true.
CMake was emitting a warning:
The dependency target "SanitizerLintCheck" of target "check-ubsan" does not
exist.
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Compiler-rt only relies on LLVM for lit support. Pushing this dependency down into the test and unitest layers will allow builtin libraries to be built without LLVM.
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Subscribers: tberghammer, danalbert, srhines
Differential Revision: http://reviews.llvm.org/D16374
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This is a bit more complex than that.
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Fix incorrect condition for enabling the CFI tests. This removes the following CMake warnings on Windows:
The dependency target "cfi" of target "check-all" does not exist.
The dependency target "cfi" of target "check-cfi-and-supported" does not exist.
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libraries."
This reverts r255170. This change caused a bunch of bot failures and needs to be revised.
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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
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CFI itself, on the other hand, doesn't require anything, including
sanitizer_common.
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Also add a test to ensure that this doesn't regress.
Differential Revision: http://reviews.llvm.org/D11584
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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
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compiler-rt runtime support library
This patch adds runtime support for the Safe Stack protection to compiler-rt
(see http://reviews.llvm.org/D6094 for the detailed description of the
Safe Stack).
This patch is our implementation of the safe stack on top of compiler-rt. The
patch adds basic runtime support for the safe stack to compiler-rt that
manages unsafe stack allocation/deallocation for each thread.
Original patch by Volodymyr Kuznetsov and others at the Dependable Systems
Lab at EPFL; updates and upstreaming by myself.
Differential Revision: http://reviews.llvm.org/D6096
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Differential Revision: http://reviews.llvm.org/D7738
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Summary:
It still gets picked up by ASan, but it also gets picked up by the other
test suites.
Otherwise, some test suites (e.g: UBSan) would complain they had no
dependencies, and wouldn't run.
Reviewers: samsonov, eugenis
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D7740
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We don't build the profiling library on Windows, so CMake warns that the
target doesn't exist.
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a test that uses -coverage
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a given platform in a top-level CMakeLists.txt to use it both
in lib/ and in test/ subdirectories. Move architecture/platform
checks to config-ix.
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Add the test infrastructure for testing lib/profile and a single test.
This initial commit only enables the tests on Darwin, but they'll be
enabled on Linux soon after.
<rdar://problem/16458307>
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1) Depend on llvm-config (configured in LLVM_CONFIG_PATH) to
get necessary LLVM source/binary directories.
2) Add basic support for running lit tests (check-xsan commands).
For now this "support" is far from what we want:
* unit tests are not built currently.
* lit tests use Clang/compiler-rt from LLVM build directory,
not the host compiler or just-built compiler-rt libraries.
We should make a choice on the way we intend ti run compiler-rt lit testsuite:
a) use either Clang from LLVM build tree, or the host compiler.
b) use either just-built runtimes, or the runtimes shipped with the
host compiler.
Using just-built runtimes is tricky - we have to know where to put them, so that
Clang/GCC driver would pick them up (and not overwrite the existing runtimes).
Using a host compiler instead of Clang from LLVM build tree will give us a chance to
run lit tests under GCC (which already has support for several sanitizers).
That is, I tend to make the following choice: if we're in a standalone compiler-rt
build, use host compiler with its set of runtime libraries to run lit tests.
This will effectively decouple "make compiler-rt" and "make check-compiler-rt" in
a standalone build - the latter wouldn't invoke the former. Note that if we decide
to fix LLVM/Clang/compiler-rt build system so that it would configure/build
compiler-rt with just-built Clang (as we do in Makefile-based build), this will not
be a problem - we can add a dependency to ensure that clang/compiler-rt are rebuilt
before running compiler-rt tests.
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