r201850 - Moving the documentation for the sanitizer negation attributes into AttrDocs.

[Sean Silva]

Sorry to ping this again, but I'm seeing these Sphinx warnings due to the
labels that were removed. Do the TableGen'erated files have equivalent
labels that you could link to?

/home/sean/pg/llvm/llvm/tools/clang/docs/AddressSanitizer.rst:129: WARNING:
undefined label: langext-address_sanitizer (if the link has no caption the
label must precede a section header)
/home/sean/pg/llvm/llvm/tools/clang/docs/MemorySanitizer.rst:86: WARNING:
undefined label: langext-memory_sanitizer (if the link has no caption the
label must precede a section header)
/home/sean/pg/llvm/llvm/tools/clang/docs/ThreadSanitizer.rst:90: WARNING:
undefined label: langext-thread_sanitizer (if the link has no caption the
label must precede a section header)
/home/sean/pg/llvm/llvm/tools/clang/docs/ThreadSanitizer.rst:103: WARNING:
undefined label: langext-thread_sanitizer (if the link has no caption the
label must precede a section header)



On Fri, Feb 21, 2014 at 8:44 AM, Aaron Ballman <aaron at aaronballman.com>wrote:

> Author: aaronballman
> Date: Fri Feb 21 07:44:43 2014
> New Revision: 201850
>
> URL: http://llvm.org/viewvc/llvm-project?rev=201850&view=rev
> Log:
> Moving the documentation for the sanitizer negation attributes into
> AttrDocs.
>
> Modified:
>     cfe/trunk/docs/AttributeReference.rst
>     cfe/trunk/docs/LanguageExtensions.rst
>     cfe/trunk/include/clang/Basic/Attr.td
>     cfe/trunk/include/clang/Basic/AttrDocs.td
>
> Modified: cfe/trunk/docs/AttributeReference.rst
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/AttributeReference.rst?rev=201850&r1=201849&r2=201850&view=diff
>
> ==============================================================================
> --- cfe/trunk/docs/AttributeReference.rst (original)
> +++ cfe/trunk/docs/AttributeReference.rst Fri Feb 21 07:44:43 2014
> @@ -291,6 +291,44 @@ not ODR-equivalent.
>  Query for this feature with ``__has_attribute(enable_if)``.
>
>
> +no_sanitize_address (no_address_safety_analysis,
> gnu::no_address_safety_analysis, gnu::no_sanitize_address)
>
> +-----------------------------------------------------------------------------------------------------------
> +.. csv-table:: Supported Syntaxes
> +   :header: "GNU", "C++11", "__declspec", "Keyword"
> +
> +   "X","X","",""
> +
> +Use ``__attribute__((no_sanitize_address))`` on a function declaration to
> +specify that address safety instrumentation (e.g. AddressSanitizer) should
> +not be applied to that function.
> +
> +
> +no_sanitize_memory
> +------------------
> +.. csv-table:: Supported Syntaxes
> +   :header: "GNU", "C++11", "__declspec", "Keyword"
> +
> +   "X","","",""
> +
> +Use ``__attribute__((no_sanitize_memory))`` on a function declaration to
> +specify that checks for uninitialized memory should not be inserted
> +(e.g. by MemorySanitizer). The function may still be instrumented by the
> tool
> +to avoid false positives in other places.
> +
> +
> +no_sanitize_thread
> +------------------
> +.. csv-table:: Supported Syntaxes
> +   :header: "GNU", "C++11", "__declspec", "Keyword"
> +
> +   "X","","",""
> +
> +Use ``__attribute__((no_sanitize_thread))`` on a function declaration to
> +specify that checks for data races on plain (non-atomic) memory accesses
> should
> +not be inserted by ThreadSanitizer. The function is still instrumented by
> the
> +tool to avoid false positives and provide meaningful stack traces.
> +
> +
>  objc_method_family
>  ------------------
>  .. csv-table:: Supported Syntaxes
>
> Modified: cfe/trunk/docs/LanguageExtensions.rst
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/LanguageExtensions.rst?rev=201850&r1=201849&r2=201850&view=diff
>
> ==============================================================================
> --- cfe/trunk/docs/LanguageExtensions.rst (original)
> +++ cfe/trunk/docs/LanguageExtensions.rst Fri Feb 21 07:44:43 2014
> @@ -1639,46 +1639,15 @@ in the analyzer's `list of source-level
>  Extensions for Dynamic Analysis
>  ===============================
>
> -.. _langext-address_sanitizer:
> -
> -AddressSanitizer
> -----------------
> -
>  Use ``__has_feature(address_sanitizer)`` to check if the code is being
> built
>  with :doc:`AddressSanitizer`.
>
> -Use ``__attribute__((no_sanitize_address))``
> -on a function declaration
> -to specify that address safety instrumentation (e.g. AddressSanitizer)
> should
> -not be applied to that function.
> -
> -.. _langext-thread_sanitizer:
> -
> -ThreadSanitizer
> -----------------
> -
>  Use ``__has_feature(thread_sanitizer)`` to check if the code is being
> built
>  with :doc:`ThreadSanitizer`.
>
> -Use ``__attribute__((no_sanitize_thread))`` on a function declaration
> -to specify that checks for data races on plain (non-atomic) memory
> accesses
> -should not be inserted by ThreadSanitizer.
> -The function is still instrumented by the tool to avoid false positives
> and
> -provide meaningful stack traces.
> -
> -.. _langext-memory_sanitizer:
> -
> -MemorySanitizer
> -----------------
>  Use ``__has_feature(memory_sanitizer)`` to check if the code is being
> built
>  with :doc:`MemorySanitizer`.
>
> -Use ``__attribute__((no_sanitize_memory))`` on a function declaration
> -to specify that checks for uninitialized memory should not be inserted
> -(e.g. by MemorySanitizer). The function may still be instrumented by the
> tool
> -to avoid false positives in other places.
> -
> -
>  Thread Safety Analysis
>  ======================
>
>
> Modified: cfe/trunk/include/clang/Basic/Attr.td
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Attr.td?rev=201850&r1=201849&r2=201850&view=diff
>
> ==============================================================================
> --- cfe/trunk/include/clang/Basic/Attr.td (original)
> +++ cfe/trunk/include/clang/Basic/Attr.td Fri Feb 21 07:44:43 2014
> @@ -1244,21 +1244,21 @@ def NoSanitizeAddress : InheritableAttr
>    let Spellings = [GCC<"no_address_safety_analysis">,
>                     GCC<"no_sanitize_address">];
>    let Subjects = SubjectList<[Function, FunctionTemplate], ErrorDiag>;
> -  let Documentation = [Undocumented];
> +  let Documentation = [NoSanitizeAddressDocs];
>  }
>
>  // Attribute to disable ThreadSanitizer checks.
>  def NoSanitizeThread : InheritableAttr {
>    let Spellings = [GNU<"no_sanitize_thread">];
>    let Subjects = SubjectList<[Function, FunctionTemplate], ErrorDiag>;
> -  let Documentation = [Undocumented];
> +  let Documentation = [NoSanitizeThreadDocs];
>  }
>
>  // Attribute to disable MemorySanitizer checks.
>  def NoSanitizeMemory : InheritableAttr {
>    let Spellings = [GNU<"no_sanitize_memory">];
>    let Subjects = SubjectList<[Function, FunctionTemplate], ErrorDiag>;
> -  let Documentation = [Undocumented];
> +  let Documentation = [NoSanitizeMemoryDocs];
>  }
>
>  // C/C++ Thread safety attributes (e.g. for deadlock, data race checking)
>
> Modified: cfe/trunk/include/clang/Basic/AttrDocs.td
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/AttrDocs.td?rev=201850&r1=201849&r2=201850&view=diff
>
> ==============================================================================
> --- cfe/trunk/include/clang/Basic/AttrDocs.td (original)
> +++ cfe/trunk/include/clang/Basic/AttrDocs.td Fri Feb 21 07:44:43 2014
> @@ -571,3 +571,35 @@ This attribute accepts a single paramete
>  ``unknown``, ``consumed``, or ``unconsumed``.
>    }];
>  }
> +
> +def NoSanitizeAddressDocs : Documentation {
> +  let Category = DocCatFunction;
> +  // This function has multiple distinct spellings, and so it requires a
> custom
> +  // heading to be specified. The most common spelling is sufficient.
> +  let Heading = "no_sanitize_address";
> +  let Content = [{
> +Use ``__attribute__((no_sanitize_address))`` on a function declaration to
> +specify that address safety instrumentation (e.g. AddressSanitizer) should
> +not be applied to that function.
> +  }];
> +}
> +
> +def NoSanitizeThreadDocs : Documentation {
> +  let Category = DocCatFunction;
> +  let Content = [{
> +Use ``__attribute__((no_sanitize_thread))`` on a function declaration to
> +specify that checks for data races on plain (non-atomic) memory accesses
> should
> +not be inserted by ThreadSanitizer. The function is still instrumented by
> the
> +tool to avoid false positives and provide meaningful stack traces.
> +  }];
> +}
> +
> +def NoSanitizeMemoryDocs : Documentation {
> +  let Category = DocCatFunction;
> +  let Content = [{
> +Use ``__attribute__((no_sanitize_memory))`` on a function declaration to
> +specify that checks for uninitialized memory should not be inserted
> +(e.g. by MemorySanitizer). The function may still be instrumented by the
> tool
> +to avoid false positives in other places.
> +  }];
> +}
>
>
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