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Adds a new esan public interface routine __esan_get_sample_count() and uses
it to ensure that tests of sampling receive the minimum number of samples.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275948 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Adds a new public interface routine __esan_report() which can be used to
request profiling results prior to abnormal termination (e.g., for a server
process killed by its parent where the normal exit does not allow for
normal result reporting).
Implements this for the working-set tool. The cache frag tool is left
unimplemented as it requires missing iteration capabilities.
Adds a new test.
Reviewers: aizatsky
Subscribers: vitalybuka, zhaoqin, kcc, eugenis, llvm-commits, kubabrecka
Differential Revision: http://reviews.llvm.org/D22098
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@274964 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Adds a global variable to specify the tool, to support handling early
interceptors that invoke instrumented code, thus requiring shadow memory to
be initialized prior to __esan_init() being invoked.
Reviewers: aizatsky
Subscribers: vitalybuka, zhaoqin, kcc, eugenis, llvm-commits, kubabrecka
Differential Revision: http://reviews.llvm.org/D20974
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@271714 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Adds processCompilationUnitInit and processCompilationUnitExit
for compilation unit init/exit.
Adds a tool-specific argument passed to esan_init.
Adds the dtor and esan_exit called from the dtor.
A test will be added separately (adding it here results in failure until
the corresponding compilation patch is in place).
Reviewers: aizatsky
Subscribers: kubabrecka, bruening, kcc, vitalybuka, eugenis, llvm-commits
Differential Revision: http://reviews.llvm.org/D20486
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@270624 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Adds the initial version of a runtime library for the new
EfficiencySanitizer ("esan") family of tools. The library includes:
+ Slowpath code via callouts from the compiler instrumentation for
each memory access.
+ Registration of atexit() to call finalization code.
+ Runtime option flags controlled by the environment variable
ESAN_OPTIONS. The common sanitizer flags are supported such as
verbosity and log_path.
+ An initial simple test.
Still TODO: common code for libc interceptors and shadow memory mapping,
and tool-specific code for shadow state updating.
Reviewers: eugenis, vitalybuka, aizatsky, filcab
Subscribers: filcab, vkalintiris, kubabrecka, llvm-commits, zhaoqin, kcc
Differential Revision: http://reviews.llvm.org/D19168
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@267060 91177308-0d34-0410-b5e6-96231b3b80d8
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