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Summary:
Purging allocator quarantine and returning memory to OS might be desired
between fuzzer iterations since, most likely, the quarantine is not
going to catch bugs in the code under fuzz, but reducing RSS might
significantly prolong the fuzzing session.
Reviewers: cryptoad
Subscribers: kubamracek, llvm-commits
Differential Revision: https://reviews.llvm.org/D39153
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@316347 91177308-0d34-0410-b5e6-96231b3b80d8
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redundant weak definition.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@297914 91177308-0d34-0410-b5e6-96231b3b80d8
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Add a new auxiliary file to each sanitizer: sanitizer_interface.inc, listing all
the functions exported, with the macros: INTERFACE_FUNCTION() and
INTERFACE_WEAK_FUNCTION().
So, when we need to define or repeat a procedure for each function in the
sanitizer's interface, we can define the macros and include that header.
In particular, these files are needed for Windows, in the nexts commits.
Also, this files could replace the existing files: weak_symbols.txt for Apple.
Instead of reading weak_symbols.txt to get the list of weak symbols, we could
read the file sanitizer_interface.inc and consider all the symbols included with
the macro INTERFACE_WEAK_FUNCTION(Name).
In this commit, I only include these files to the sanitizers that work on
Windows. We could do the same for the rest of the sanitizers when needed.
I updated tests for: Linux, Darwin and Windows. If a new function is exported
but is not present in the interface list, the tests
"interface_symbols_[darwin|windows|linux].c" fail.
Also, I remove the comments: "/* OPTIONAL */" which are not required any more,
because we use the macro: INTERFACE_WEAK_FUNCTION() for weak functions.
Differential Revision: https://reviews.llvm.org/D29148
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@293682 91177308-0d34-0410-b5e6-96231b3b80d8
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far this is a very basic heap-profile functionality
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@281546 91177308-0d34-0410-b5e6-96231b3b80d8
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__sanitizer_install_malloc_and_free_hooks
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@272943 91177308-0d34-0410-b5e6-96231b3b80d8
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Introduce new public header <sanitizer/allocator_interface.h> and a set
of functions __sanitizer_get_ownership(), __sanitizer_malloc_hook() etc.
that will eventually replace their tool-specific equivalents
(__asan_get_ownership(), __msan_get_ownership() etc.). Tool-specific
functions are now deprecated and implemented as stubs redirecting
to __sanitizer_ versions (which are implemented differently in each tool).
Replace all uses of __xsan_ versions with __sanitizer_ versions in unit
and lit tests.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@212469 91177308-0d34-0410-b5e6-96231b3b80d8
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