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2018-07-04Reorganise runtime libraries provided by KLEEMartin Nowack
Strictly differentiate between the following type of libraries: * FreeStanding: contains minimal amount of methods a compiler would expect * klee-libc: contains a minimal libc implementation * POSIX: contains a POSIX layer that can be used on top of a libc implementation * Intrinsic: contains additional runtime functions which provide KLEE-specific functionalities, (e.g. checks) Builds always archives instead of single modules. This allows to reduce linked-in dependencies of tested applications.
2018-07-02Removed obsolete scriptCristian Cadar
2018-07-02test/lit.cfg: remove obsolete hack from (LLVM < 3.0 is no longer supported)Julian Büning
2018-07-02CMake: use cmake_{push,pop}_check_stateJulian Büning
2018-07-02CMake: check for ctype and mallinfo functions with CXX instead of C compilerJulian Büning
2018-06-29fix out of range access in KleeHandler::getKTestFilesInDirFrank Busse
2018-06-29Explicitly initialize value to squelch a potentially uninitialized value warningDaniel Schemmel
2018-06-29Fix the final -Wimplicit-fallthrough warningDaniel Schemmel
2018-06-29Make ConstantExpr hashing function faster and modify affected testTimotej Kapus
2018-06-14Add unittest for DiscretePDFMartin Nowack
2018-06-13klee_int: allow NULL as nameFrank Busse
2018-06-11cmake: find_llvm, handle libLLVM-version.so properlyJiri Slaby
Some builds of llvm contain a lib like this: /usr/lib64/libLLVM-3.9.so Extend the regular expression, so that we really return what we are supposed to. Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
2018-06-11Fixed memory leak from Executor::inCloseMerge, fixes #883Lukas Wölfer
2018-05-24isLSB should be a boolean, as it is only used in truth contextsDaniel Schemmel
2018-05-24remove switch fallthrough in floating point comparisionDaniel Schemmel
2018-05-24llvm37: enable travis testingJiri Slaby
Suggested by @MartinNowack in #681. Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
2018-05-24llvm37: handle getRegisteredOptionsJiri Slaby
In LLVM 3.7 and later, getRegisteredOptions takes no arguments and returns the map directly. Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
2018-05-24test: add versions of some tests for LLVM 3.7Richard Trembecký
Clone some tests to have their 3.7 version. 'call's, 'load's and 'getelementptr's match the new specification in them. @andreamattavelli: Fixed test cases: BitCastAlias test cases included modification to alias specifications that require LLVM 3.8 [v2] added comments what was changed and why [v3] the new tests are without suffix, the old ones have ".leq36". Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
2018-05-24llvm: make KLEE compile against LLVM 3.7Richard Trembecký
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
2018-05-24llvm37: handle GetElementPtrInst::Create's new parameterJiri Slaby
LLVM 3.7 added a PointeeType parameter to GetElementPtrInst::Create. Let's handle that by a macro called KLEE_LLVM_GEP_TYPE, defined in Version.h. Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
2018-05-23test: add parenthesis around & operandsJiri Slaby
Some compilers are picky, so avoid the warning by additional parentheses: test/VectorInstructions/integer_ops_unsigned_symbolic.c:85:22: warning: & has lower precedence than <; < will be evaluated first [-Wparentheses] Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
2018-05-22clang-format on lib/Module/{IntrinsicCleaner.cpp,Passes.h}Julian Büning
2018-05-22some housekeeping in Passes.h and IntrinsicCleaner.cppJulian Büning
This commit addresses the following: * remove unused variables block_split (::runOnBasicBlock) and LI (::IntrinsicCleanerPass) in IntrinsicCleanerPass * add `dirty = true` to `Intrinsic::vacopy` case * use `eraseFromParent()` methods instead of `removeFromParent()` and `delete` * add `override` keyword to `runOn{Module,Function}` methods
2018-05-22CompressionStream: fix sporadic segfaults (uninitialised avail_in)Frank Busse
2018-05-22Removed .c_str() from getSourceLocation callsCristian Cadar
2018-05-22Renamed printFileLine to getSourceLocation (as suggested by @delcypher) to ↵Cristian Cadar
reflect the fact that it simply returns a string
2018-05-22Simplified printFileLine by using std::to_string, and removed unneeded ↵Cristian Cadar
version that takes an argument a stream
2018-05-21stop using DEBUG macro nameJiri Slaby
This is too generic and llvm 6.0 defines DEBUG as follows: #define DEBUG(X) DEBUG_WITH_TYPE(DEBUG_TYPE, X) This then results in various build failures where once the macro is defined, once it is not. So rename this generic macro to KLEE_ARRAY_DEBUG. Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
2018-05-21fix some casts for LLP64 compilersFrank Busse
2018-05-18tests: use names in klee_make_symbolicFrank Busse
2018-05-18Delete coverageServer.pyTimotej Kapus
Delete the old coverage gathering code. Unneccessary with move to codecov.
2018-05-17Abort execution if --only-output-states-covering-new is enabled but its ↵Cristian Cadar
dependency --output-istats is not
2018-05-17Add support for concretizing symbolic objects passed to external functionsTimotej Kapus
2018-05-17Improve error messages for ReadStringAtAddressTimotej Kapus
2018-05-15Improved code qualityLukas Wölfer
2018-05-15Implemented incomplete mergingLukas Wölfer
2018-05-15remove QueryLog.hFrank Busse
2018-05-12Update clang-format standard for KLEE codebase to C++11Martin Nowack
2018-05-09Fix test case to check for correct call stringMartin Nowack
2018-05-09Improve handling of constant array in Z3Timotej Kapus
2018-05-09Remove the option for truncating lines in assembly.llMartin Nowack
The behaviour couldn't be triggered for a kcachegrind from 2012.
2018-05-09Remove workaround for bug in older LLVM version (< 3)Martin Nowack
2018-05-09Fix include filesMartin Nowack
2018-05-08remove unused file: tools/klee/Debug.cppDaniel Schemmel
2018-05-07Fixed test case to exercise modification to utimes()Cristian Cadar
2018-05-07Fixed utimes() behavior for symbolic files when the second argument is NULLyxliang01
2018-05-06Moved regression test to proper location. Fixes #705Cristian Cadar
2018-05-05Fix handling of errno if external functions are invokedMartin Nowack
If an external function in KLEE is invoked, it might update errno. Previously, the errno specific variable in a state was only updated if it was part of the executed instructions. That opened up a timeframe that increased the likelihood of errno being overwritten by another method call. This patch fixes two issues: * the errno of the KLEE process state is updated before the external function call allowing to detect changes to it later on * after the external call, the memory object of errno is directly updated with its new value, reducing the likelihood to be overwritten by another call Additional features: * Add support for `errno()` for Darwin as well. * Simplified errno handling in POSIX layer
2018-05-05Factor out method to update state memory with process stateMartin Nowack
2018-05-01Ensured program reliably has 3 paths to be explored, and removed unnecessary ↵Cristian Cadar
options. Make klee_abort() call abort() in replay, and removed trivial test which cannot be easily integrated into the test suite.
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