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Re: [PR libgomp/64625] Remove __OFFLOAD_TABLE__ variable/formal parameter (was: Merge current set of OpenACC changes from gomp-4_0-branch)
- From: Ilya Verbin <iverbin at gmail dot com>
- To: Jack Howarth <howarth dot at dot gcc at gmail dot com>
- Cc: Thomas Schwinge <thomas at codesourcery dot com>, jakub at gcc dot gnu dot org, GCC Patches <gcc-patches at gcc dot gnu dot org>, howarth at bromo dot med dot uc dot edu, Dominique d'Humières <dominiq at lps dot ens dot fr>, andrey dot turetskiy at gmail dot com, bernds at gcc dot gnu dot org, kyukhin at gcc dot gnu dot org
- Date: Sat, 17 Jan 2015 02:30:38 +0300
- Subject: Re: [PR libgomp/64625] Remove __OFFLOAD_TABLE__ variable/formal parameter (was: Merge current set of OpenACC changes from gomp-4_0-branch)
- Authentication-results: sourceware.org; auth=none
- References: <87egqvu77s dot fsf at schwinge dot name> <87r3uuzcqg dot fsf at kepler dot schwinge dot homeip dot net> <20150116224038 dot GA48380 at msticlxl57 dot ims dot intel dot com> <CAJMcOU8NGaS+N6LffnML1TGgv3wDSoxL-d40z-maOHquhMZb+g at mail dot gmail dot com>
On 16 Jan 18:22, Jack Howarth wrote:
> On 86_64 Fedora 15, current gcc trunk only producesâ
>
> nm libgcc_s.so.1 | grep OFF
> 0000000000215478 d _GLOBAL_OFFSET_TABLE_
>
> and not __OFFLOAD_TABLE__, The libgcc_s.so.1 built on
> x86_64-apple-darwin14 doesn't even contain the _GLOBAL_OFFSET_TABLE_
> symbol.
>
> On Fri, Jan 16, 2015 at 5:40 PM, Ilya Verbin <iverbin@gmail.com> wrote:
> > Why do you think so? __OFFLOAD_TABLE__ symbol lives in libgcc/offloadstuff.c
> > since November without regressions.
That's correct.
1. offloadstuff.c isn't linked into libgcc_s.so.1
2. __OFFLOAD_TABLE__ is guarded with ENABLE_OFFLOADING, which is disabled in
default configuration.
-- Ilya