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2022-01-05unittests/TestMain: show stack trace on errorJulian Büning
2022-01-05fix CMake: use own TestMain instead of gtest_mainJulian Büning
Before, we would use gtest_main as provided by either LLVM or Google Test itself; the TestMain.cpp was ignored (contrary to its source code comment). In newer versions of Google Test (1.8.1+), gtest_main uses `__FILE__` for its "Running main() from" line, but llvm-lit (which we use to invoke unit tests) currently matches exactly "Running main() from gtest_main.cc" for determining whether to skip this line. This results in spurious "tests" that will be shown as unresolved.
2022-01-05CMake: set Google Test options properlyJulian Büning
If the used CMake version is recent enough to support the necessary policy CMP0077, set INSTALL_GTEST using normal variables instead of cache variables. We never want to allow Google Test to add to the install target, so we should not allow a user to interfere with this. In addition, we set BUILD_GMOCK=OFF (and the necessary BUILD_GTEST=ON for Google Test 1.8.0), as our current tests do not require Google Mock.
2022-01-05fix CMake: GTEST_INSTALL -> INSTALL_GTESTJulian Büning
As far as I can tell, the variable intended to be set here was never called GTEST_INSTALL.
2022-01-05CMake: include GTest include hint for 1.8.0+Julian Büning
Later versions of googletest also ship googlemock alongside googletest. Thus, the include directory we are looking for is located in a subdirectory. The source directory, however, does not change as googletest/CMakeLists.txt references variables set in CMakeLists.txt of the root directory and is not intended to be included directly.
2022-01-05Do not use stat64 directly in gen-random-boutCristian Cadar
2022-01-05Added a test for invocations of klee_make_symbolic with a wrong size to ↵Cristian Cadar
MakeSymbolicAPI.c, and reformatted the file.
2022-01-05Remove outdated reference to klee_make_symbolic_nameCristian Cadar
2022-01-04Use more precise version check for selecting swapoff() signature.Gleb Popov
2021-12-24Added correct signature for swapoff on FreeBSD (to solve recent CI failures)Cristian Cadar
2021-12-23Introduce termination categoriesFrank Busse
Track all path terminations: esp. for debugging or visualising a persistent process tree (with or without full MoKlee integration) it is helpful to know the exact reason (StateTerminationType) why a path terminated.
2021-12-20test/Concrete/GlobalUndef.ll: Remove `target datalayout` and `target triple`Lukáš Zaoral
Fixes assertion violation triggered in LLVM 13 CI job due to incompatibility with default target triple and datalayout.
2021-12-20llvm13: Add LLVM 13 to Travis CI and GitHub ActionsLukas Zaoral
2021-12-20llvm13: Add LLVM 13 to lit.cfgLukas Zaoral
2021-12-20llvm13: llvm::APInt::toString has been moved to StringExtras.hLukas Zaoral
See: https://reviews.llvm.org/D103888
2021-12-20llvm13: CreateGEP no longer accepts nullptrLukas Zaoral
See: https://reviews.llvm.org/D105653
2021-12-20llvm13: CreateLoad API with implicit types has been deprecatedLukas Zaoral
See: https://github.com/llvm/llvm-project/commit/6312c53870897435b38881795460ad9f34bf9819
2021-12-20llvm13: llvm::cl::GeneralCategory is no longer a globalLukas Zaoral
Therefore, llvm::cl::getGeneralCategory() should be used instead. See: https://reviews.llvm.org/D105959
2021-12-20llvm13: llvm::fs::F_None has been removedLukas Zaoral
... and should be replaced with llvm::fs::OF_None since LLVM 7. See: https://reviews.llvm.org/D101506 https://github.com/llvm/llvm-project/commit/1f67a3cba9b09636c56e2109d8a35ae96dc15782
2021-12-20Support/FileHandling.cpp: rewrite to C++14Lukas Zaoral
2021-12-19cmake: copy klee-uclibc and klee-libcxx to expected locationsLukas Zaoral
Before this change, we created a symlink to the given libraries in their expected location and then installed the original library. This was problematic as the install directives are performed the order they are encountered during the configure step and the installation of directory containing the symlink was processed after the installation of the original library. Therefore, the original libraries were installed but were subsequently overwritten by the symlinks that can become broken rather easily. This commit changes the behaviour so that we create copy the libraries to the expected location and install them together with the rest of the KLEE runtime as was originally intended.
2021-11-20Fixed fail with preferCex, removed relation from first argumentTaras Bereznyak
2021-11-02ktest-tool: --extract: warn if object can't be foundFrank Busse
2021-11-02Core/Executor: use `nullptr` instead of `0`ᴀᴇꜱᴏᴘʜᴏʀ
Since KLEE requires C++14, we should prefer `nullptr` to plain `0`.
2021-11-02tests: adjust Feature/KleeStatsColumns.test for fixed column orderFrank Busse
2021-11-02klee-stats: order remaining columns alphabeticallyFrank Busse
2021-10-27tools/klee: Warn if module and host target triples differLukas Zaoral
... as running a bitcode with a different target triple may result in unexpected crashes or assertion violations.
2021-10-27Module/RaiseAsm: Support i686 target as wellLukas Zaoral
Add i686 to the list of supporterd targets by this transformation pass.
2021-10-27Module/RaiseAsm: Fix crash when host and bitcode target triples differLukas Zaoral
RaiseAsm always created a target machine for the host target and not for the bitcode one. Therefore, KLEE could crash on i686 bitcode as x86_64 target machine cannot be used to raise i686 assembly. Fixes: LLVM ERROR: 64-bit code requested on a subtarget that doesn't support it!
2021-10-22Switch FreeBSD CI to 12.2 and 13.0, as 11.4 has gone EOL.Gleb Popov
2021-10-17test/Runtime/POSIX/Futimesat: futimesat(2) requires _GNU_SOURCE on glibc ↵Lukas Zaoral
platforms
2021-10-17test/Runtime/POSIX/Futimesat: Compile with -std=c99Lukas Zaoral
.. so that `linux` is not a defined macro. Without the `-std=c99` option, linux is an implicitly defined macro so all such substrings in the given path will be replaced with `1` during stringification. Unfortunately, Fedora's rpmbuild uses `x86_64-redhat-linux-gnu` as a build directory for all CMake projects which leads to a failure due to a change to `x86_64-redhat-1-gnu`. Fixes: #1424
2021-10-13test/Feature/FunctionAlias.c: Add missing CHECK-UNKNOWN prefixLukas Zaoral
This test started to fail on LLVM 13 because FileCheck switched the default setting regarding the allowance of unused prefixes. This is now considered to be a fatal error.
2021-09-15Install git as a requirement for codecovMartin Nowack
Codecov depends on git to detect the SHA sum of the repository. Install as a dependency.
2021-09-10llvm12: Implement llvm.abs intrinsicLukas Zaoral
The vector variants are not implemented at the moment. See: https://reviews.llvm.org/D84125 Co-authored-by: Lukas Zaoral <lzaoral@redhat.com> Co-authored-by: Martin Nowack <m.nowack@imperial.ac.uk>
2021-09-10llvm11: Handle llvm.roundeven instrinsicLukas Zaoral
See: https://reviews.llvm.org/D75670
2021-09-10llvm12: Implement llvm.{s,u}{max,min} intrinsicsLukas Zaoral
The vector variants are not implemented at the moment. See: https://reviews.llvm.org/D84125 Co-authored-by: Lukas Zaoral <lzaoral@redhat.com> Co-authored-by: Martin Nowack <m.nowack@imperial.ac.uk>
2021-09-10CI: Use the latest release of CMakeLukas Zaoral
2021-09-10llvm12: Add LLVM 12 to Travis CI and GitHub ActionsLukas Zaoral
2021-09-10llvm12: Add LLVM 12 to lit.cfgLukas Zaoral
2021-09-10llvm12: VectorType::getNumElements() has been deprecatedLukas Zaoral
... and has already been removed from the LLVM 13 source tree. See: https://reviews.llvm.org/D78127 https://reviews.llvm.org/D95570
2021-06-19Test failure for WSL 1Pavel Yatcheniy
2021-05-10allocate memory objects for functionsJulian Büning
Before, we reused the llvm::Function* value in the target program, even though it stems from KLEE's own address space. This leads to non-deterministic function pointers, even with --allocate-determ. This issue was identified in the MoKLEE paper. Now, we allocate a memory object per function, for its (potentially) deterministic address. Mapping this address back to llvm::Functions is done by the legalFunctions map. Also, pointer width now depends on the target, not the host.
2021-05-10extend function pointer testJulian Büning
Part of the test was already disabled in the initial checkin. However, we do support function pointers if they are restricted to one or more possible values.
2021-05-04cirrus: update FreeBSD python dependenciesFrank Busse
2021-05-04tests: adjust to new summary outputFrank Busse
2021-05-04differentiate between partial and completed paths in summary and fix paths ↵Frank Busse
stats when not dumping states
2021-05-04test: count paths with -dump-states-on-halt=falseFrank Busse
2021-04-30posix runtime: add malloc checksFrank Busse
2021-04-29Fix erroneous klee-stats legend for --print-allJordy Ruiz
Only absolute times were displayed, and were marked as %. Fixes CexCacheTime, ForkTime and ResolveTime columns.