Summary:
Exactly what the title says. I've tested this change against the libc++ test failures and it solves all of them. The check-msan rule also still passes.
I'm not sure why it called memset originally.
I can add tests if requested but currently there are no tests involving wide chars and they are a c++11 features.
Reviewers: kcc, eugenis
Reviewed By: eugenis
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D6352
llvm-svn: 222673
Summary:
TestCases/Linux/heavy_uar_test.cc was failing on my
PowerPC64 box with GCC 4.8.2, because the compiler recognised
a memset-like loop and turned it into a call to memset, which
got intercepted by __asan_memset, which got upset because it was
being called on an address in high shadow memory.
Use break_optimization to stop the compiler from doing this.
Reviewers: kcc, samsonov
Reviewed By: kcc
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D6266
llvm-svn: 222572
Let the users of SymbolizationLoop define a function that produces the list of .dSYM hints (possible path to the .dSYM bundle) for the given binary.
Because the hints can't be added to an existing llvm-symbolizer process, we spawn a new symbolizer process ones each time a new hint appears.
Those can only appear for binaries that we haven't seen before.
llvm-svn: 222535
Reviewed at http://reviews.llvm.org/D6238
ASan on Darwin during launch reads DYLD_INSERT_LIBRARIES env. variable and if it's not set or if the ASan dylib is not present in there, it relaunches the process. The check whether the dylib is present in the variable is now trying to find a full path in there. This fails in the scenarios where we want to copy the dylib to the executable's directory or somewhere else and set the DYLD_INSERT_LIBRARIES manually, see http://reviews.llvm.org/D6018.
Let's change the search in DYLD_INSERT_LIBRARIES to only look for the filename of the dylib and not the full path.
llvm-svn: 222297
MSanDR is a dynamic instrumentation tool that can instrument the code
(prebuilt libraries and such) that could not be instrumented at compile time.
This code is unused (to the best of our knowledge) and unmaintained, and
starting to bit-rot.
llvm-svn: 222232
Summary:
This test explicitly sets ASAN_OPTIONS=detect_leaks=1 which is only
supported on x86-64. The test is currently restricted to run only on
64-bit targets, but needs to be restricted further so it only runs on
x86-64.
Reviewers: kcc, eugenis, earthdok, samsonov
Reviewed By: samsonov
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D6189
llvm-svn: 222091
Summary:
AsanOnSIGSEGV has some heuristics for detecting stack overflow, but
they don't cope with a PowerPC store-with-update instruction which
modifies sp and stores to the modified address in one instruction.
This patch adds some PowerPC-specific code to check for this case.
This fixes the last few cases of the stack-overflow test.
Reviewers: kcc, samsonov, eugenis
Reviewed By: eugenis
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D6253
llvm-svn: 222001
This change removes libclang_rt.profile-pic-<arch>.a version of
profile runtime. Instead, it's sufficient to always build
libclang_rt.profile-<arch>.a with -fPIC, as it can be linked into
both executables and shared objects.
llvm-svn: 221952
Summary:
As a follow-up to D6167, this patch fixes the test to account for
another difference between PowerPC and x86 systems.
On x86 if you branch to an invalid address, you get a SIGSEGV with PC
set to the invalid address (and si_addr in the siginfo struct also set
to the same address).
On PowerPC, you get a SIGSEGV with PC pointing at the branch
instruction, but si_addr set to the invalid address.
You can see this difference if you run the test case under gdb.
Reviewers: kcc, glider, samsonov
Reviewed By: samsonov
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D6226
llvm-svn: 221929
Summary:
I don't know anything about profiling but it seems to work out of the
box on PowerPC64. At least "make check-profile" works.
A few tests needed tweaking because PowerPC64 IR declares main with
"define signext i32 @main" instead of just "define i32 @main".
This also fixes the asan asan_and_llvm_coverage_test test, which
compiles with -coverage so requires that a profiling version of
libclang_rt has been built.
Reviewers: dexonsmith, kcc, samsonov
Reviewed By: samsonov
Subscribers: samsonov, llvm-commits
Differential Revision: http://reviews.llvm.org/D6233
llvm-svn: 221877
Summary: My PowerPC64 Linux box has 64k pages. The test assumes 4k pages. Fix it.
Reviewers: glider, eugenis, samsonov
Reviewed By: samsonov
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D6228
llvm-svn: 221875
The code in {add,sub}v.i3 routines does not trap when it should, because
it performs the actual add/subtract operation in signed arithmetic,
rather than unsigned.
Patch by Francois-Xavie Coudert!
llvm-svn: 221826
Summary: This test case is blatantly x86-specific, so skip it on other targets.
Reviewers: kcc, eugenis, earthdok, samsonov
Reviewed By: samsonov
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D6216
llvm-svn: 221778
Summary:
Address sanitization of ptrace(2) is only implemented for x86, so skip
the test on other targets.
Reviewers: kcc, eugenis, earthdok, samsonov
Reviewed By: samsonov
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D6215
llvm-svn: 221777
Summary:
The option -asan-instrument-assembly is declared in the X86 backend.
If I test on PowerPC configured with LLVM_TARGETS_TO_BUILD=All then the
option is tolerated but ignored.
If I test on PowerPC configured with LLVM_TARGETS_TO_BUILD=PowerPC then
the testsuite fails with:
[ 93%] Generating ASAN_INST_TEST_OBJECTS.gtest-all.cc.powerpc64-inline.o
clang (LLVM option parsing): Unknown command line argument '-asan-instrument-assembly'. Try: 'clang (LLVM option parsing) -help'
Fix this inconsistency by only adding the option if that toolchain was
built with the X86 backend included.
Reviewers: kcc, samsonov, eugenis
Reviewed By: eugenis
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D6190
llvm-svn: 221687
The minimal fake SDK was very useful in allowing us to build for all
Darwin platforms without needing access to the real SDKs, but it did
not support building any of the sanitizer runtimes. It's important to
fix that. As a consequence, if you don't have the iOS SDKs installed,
we will now skip building the iOS-specific libclang_rt libraries.
rdar://problem/18825276
llvm-svn: 221621
Alexey Samsonov