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| author | Kostya Serebryany <kcc@google.com> | 2016-05-27 15:49:32 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2016-05-27 15:49:32 +0000 |
| commit | d82059446ca4bf5f16a6ffa3f5bb1aa93d279fc2 (patch) | |
| tree | 3af71395067ad87f92fd774947b9541be459d788 /docs/MemorySanitizer.rst | |
| parent | c0ff89d7517dcc160e10341acc32165e64b36a26 (diff) | |
[msan] add a sentence about inline assembly
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@271005 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/MemorySanitizer.rst')
| -rw-r--r-- | docs/MemorySanitizer.rst | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/docs/MemorySanitizer.rst b/docs/MemorySanitizer.rst index 62cacce215..4e58588b80 100644 --- a/docs/MemorySanitizer.rst +++ b/docs/MemorySanitizer.rst @@ -171,6 +171,8 @@ Handling external code MemorySanitizer requires that all program code is instrumented. This also includes any libraries that the program depends on, even libc. Failing to achieve this may result in false reports. +For the same reason you may need to replace all inline assembly code that writes to memory +with a pure C/C++ code. Full MemorySanitizer instrumentation is very difficult to achieve. To make it easier, MemorySanitizer runtime library includes 70+ |