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Re: What CPP macro should -fsanitize=address define?

On Wed, Nov 21, 2012 at 11:25:35AM -0800, H.J. Lu wrote:
> 2012-11-21  H.J. Lu  <hongjiu.lu@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
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