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All msan tests are now passing for mipsel and mips64el except for
allocator_mapping.cc which is marked unsupported.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@279048 91177308-0d34-0410-b5e6-96231b3b80d8
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These tests were recently enabled and have never worked on this builder.
Three tests were sensitive to line number changes:
test/msan/Linux/obstack.cc
test/msan/chained_origin.cc
test/msan/chained_origin_memcpy.cc
and this sensitivity will be addressed in a follow-up patch. Of these,
obstack.cc's sensitivity to line numbers is unexplained since it already uses
[[@LINE]].
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@278671 91177308-0d34-0410-b5e6-96231b3b80d8
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This fixes fails in test/msan/dlerror.cc - when real dlerror calls strcmp,
our strcmp interceptor now skips poison checking, since it's called in
interceptor context. Strictly speaking, only the dlerror change is
necessary to fix the fail, but let's also change the other two just in case.
Differential Revision: http://reviews.llvm.org/D19499
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@267486 91177308-0d34-0410-b5e6-96231b3b80d8
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Reviewers: samsonov
Subscribers: jaydeep, sagar, llvm-commits, aemerson
Differential Revision: http://reviews.llvm.org/D17503
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@261721 91177308-0d34-0410-b5e6-96231b3b80d8
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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
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Target-specific flags should usually be configured by CMake/lit.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@230999 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@207709 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@201412 91177308-0d34-0410-b5e6-96231b3b80d8
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