On Mon, Jan 27, 2014 at 5:37 AM, Kostya Serebryany <[email protected]> wrote:
>> > How do I "export" __signal_safe_memalign? (I/d like to experiment myself)
>> You'll need this snippet of above patch: (line 61,5):
>
> Paul, I tried this:
>
> --- a/elf/Versions
> +++ b/elf/Versions
> @@ -62,5 +62,8 @@ ld {
>
> # Pointer protection.
> __pointer_chk_guard;
> + # for signal safe TLS
> + __signal_safe_malloc; __signal_safe_free; __signal_safe_memalign;
> + __signal_safe_realloc; __signal_safe_calloc;
> }
> }
>
> it did not help: "nm libc.so | grep signal_safe_memalign" is empty.
It probably did. I believe these functions are defined and used in
'ld.so', so try 'nm ld.so | grep signal_safe'.
--
Paul Pluzhnikov
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