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| author | Alexey Samsonov <samsonov@google.com> | 2013-03-14 12:26:21 +0000 |
|---|---|---|
| committer | Alexey Samsonov <samsonov@google.com> | 2013-03-14 12:26:21 +0000 |
| commit | f37b1e2415806ba7644515edfeb5398e3be01553 (patch) | |
| tree | ef6644d1cf606359687a49e63348280ad6c16a92 | |
| parent | 7ac415b489dd3b22b0335af60d874143c9fdf63a (diff) | |
[ASan] Update docs for -fsanitize=init-order option
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177062 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | docs/AddressSanitizer.rst | 9 | ||||
| -rw-r--r-- | docs/UsersManual.rst | 4 |
2 files changed, 11 insertions, 2 deletions
diff --git a/docs/AddressSanitizer.rst b/docs/AddressSanitizer.rst index ad30d0ae6a..57cb4fe7c8 100644 --- a/docs/AddressSanitizer.rst +++ b/docs/AddressSanitizer.rst @@ -117,6 +117,15 @@ supported by other compilers, so we suggest to use it together with ``__has_feature(address_sanitizer)``. Note: currently, this attribute will be lost if the function is inlined. +``Initialization order checking`` +--------------------------------- + +AddressSanitizer can optionally detect dynamic initialization order problems, +when initialization of globals defined in one translation unit uses +globals defined in another translation unit. To enable this check at runtime, +you should set environment variable +``ASAN_OPTIONS=check_initialization_order=1``. + Supported Platforms =================== diff --git a/docs/UsersManual.rst b/docs/UsersManual.rst index 281cc20653..6cc836130f 100644 --- a/docs/UsersManual.rst +++ b/docs/UsersManual.rst @@ -842,6 +842,8 @@ are listed below. ``-fsanitize=address``: :doc:`AddressSanitizer`, a memory error detector. + - ``-fsanitize=init-order``: Make AddressSanitizer check for + dynamic initialization order problems. Implied by ``-fsanitize=address``. - ``-fsanitize=address-full``: AddressSanitizer with all the experimental features listed below. - ``-fsanitize=integer``: Enables checks for undefined or @@ -917,8 +919,6 @@ are listed below. Experimental features of AddressSanitizer (not ready for widespread use, require explicit ``-fsanitize=address``): - - ``-fsanitize=init-order``: Check for dynamic initialization order - problems. - ``-fsanitize=use-after-return``: Check for use-after-return errors (accessing local variable after the function exit). - ``-fsanitize=use-after-scope``: Check for use-after-scope errors |