On Wed, Nov 21, 2012 at 12:12 PM, Jakub Jelinek <ja...@redhat.com> wrote:
> On Wed, Nov 21, 2012 at 11:25:35AM -0800, H.J. Lu wrote:
>> 2012-11-21 H.J. Lu <hongjiu...@intel.com>
>>
>> PR c/55397
>> * cppbuiltin.c (define_builtin_macros_for_compilation_flags):
>> Define __SANITIZE_ADDRESS__ for flag_asan.
>
> Ok, thanks.
>
>> --- a/gcc/cppbuiltin.c
>> +++ b/gcc/cppbuiltin.c
>> @@ -91,6 +91,9 @@ define_builtin_macros_for_compilation_flags
>> (cpp_reader *pfile)
>> cpp_define_formatted (pfile, "__PIE__=%d", flag_pie);
>> }
>>
>> + if (flag_asan)
>> + cpp_define (pfile, "__SANITIZE_ADDRESS__");
>> +
>> if (optimize_size)
>> cpp_define (pfile, "__OPTIMIZE_SIZE__");
>> if (optimize)
>
> Jakub
Here is a doc patch. OK to install?
Thanks.
--
H.J.
--
2012-11-21 H.J. Lu <hongjiu...@intel.com>
* doc/cpp.texi: Document __SANITIZE_ADDRESS__.
diff --git a/gcc/doc/cpp.texi b/gcc/doc/cpp.texi
index c463e7c..682ee9f 100644
--- a/gcc/doc/cpp.texi
+++ b/gcc/doc/cpp.texi
@@ -2352,6 +2352,10 @@ use.
This macro is defined, with value 2, when @option{-fstack-protector-all} is
in use.
+@item __SANITIZE_ADDRESS__
+This macro is defined, with value 1, when @option{-fsanitize=address} is
+in use.
+
@item __TIMESTAMP__
This macro expands to a string constant that describes the date and time
of the last modification of the current source file. The string constant
