| 7a53bca1db2adfb22c9e830f3e91833214b12663 |
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13-Mar-2013 |
Reid Kleckner <reid@kleckner.net> |
[msan] Clean up extensions during msandr shutdown
Otherwise debug DynamoRIO complains at us for leaking memory.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@176947 91177308-0d34-0410-b5e6-96231b3b80d8
/external/compiler-rt/lib/msandr/msandr.cc
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| 0f92deb81207c80481ff0257fbaba640fe669633 |
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11-Mar-2013 |
Reid Kleckner <reid@kleckner.net> |
[msan] intercept dlopen and clear shadow for it
Summary:
The loader does not call mmap() through the PLT because it has to
bootstrap the process before libc is present. Hooking dlopen() isn't
enough either because the loader runs module initializers before
returning, and they could run arbitrary msan instrumented code.
If msandr is present, then we can intercept the mmaps from dlopen at the
syscall layer and clear the shadow there. If msandr is missing, we
clear the shadow after dlopen() and hope any initializers are trivial.
Reviewers: eugenis
CC: kcc, llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D509
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@176818 91177308-0d34-0410-b5e6-96231b3b80d8
/external/compiler-rt/lib/msandr/msandr.cc
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| 79b2d17fbaed2afa1a5a8f7bda42e45322709636 |
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22-Feb-2013 |
Evgeniy Stepanov <eugeni.stepanov@gmail.com> |
[msan] MSanDR: initial commit.
MSanDR is a DynamoRio-based tool that handles uninstrumented libraries and
dynamically generated code for MSan.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@175883 91177308-0d34-0410-b5e6-96231b3b80d8
/external/compiler-rt/lib/msandr/msandr.cc
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