Re: [trans-mem,darwin] PR/52042 find tm_clone_table with PIE

[Patrick Marlier <patrick dot marlier at gmail dot com>]

Jack,

Can I ask you to close this PR?
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52042
Indeed, my bugzilla account is a simple one and I cannot to change the 
bug status...

--
Patrick


On 02/07/2012 10:36 PM, Patrick Marlier wrote:
> Hi,
>
> The problem in this PR is that with PIE, getsectdata does not return the
> position of tm_clone_table after the relocation.
> While _dyld_get_image_vmaddr_slide(0) is enough for PIE, this is not
> enough for dylib.
> I did not find an easy API function to get position of the
> tm_clone_table for a shared library (dylib). So the only way I found is
> to get the mach_header address of the current dylib (via
> _dyld_get_image_header_containing_address), iterate over loaded binaries
> to find the current shared library and use _dyld_get_image_vmaddr_slide
> to find the position.
> Any other proposal (my knowledge of darwin is really limited)?
>
> Can someone do a bootstrap and test libitm on darwin (I have a limited
> access to a darwin machine, at least libitm tests pass)? Thanks!
>
> If tests passed, ok for 4.7?
> --
> Patrick Marlier.
> libgcc:
>
> PR libitm/52042
> * config/darwin-crt-tm.c: Changes for PIE and shared library.