Re: [PATCH v4] x86: Add -m[no-]direct-extern-access

2022-05-01 Thread Fāng-ruì Sòng via Gcc-patches
On Tue, Feb 8, 2022 at 7:05 PM H.J. Lu via Gcc-patches wrote: > > On Tue, Feb 8, 2022 at 6:38 PM Hongtao Liu wrote: > > > > On Fri, Jan 28, 2022 at 5:53 AM H.J. Lu via Gcc-patches > > wrote: > > > > > > The v3 patch was posted at > > > > > >

Re: [PATCH v4] x86: Add -m[no-]direct-extern-access

2022-02-08 Thread H.J. Lu via Gcc-patches
On Tue, Feb 8, 2022 at 6:38 PM Hongtao Liu wrote: > > On Fri, Jan 28, 2022 at 5:53 AM H.J. Lu via Gcc-patches > wrote: > > > > The v3 patch was posted at > > > > https://gcc.gnu.org/pipermail/gcc-patches/2021-July/574847.html > > > > There is no progress with repeated pings since then. Glibc

Re: [PATCH v4] x86: Add -m[no-]direct-extern-access

2022-02-08 Thread Hongtao Liu via Gcc-patches
On Fri, Jan 28, 2022 at 5:53 AM H.J. Lu via Gcc-patches wrote: > > The v3 patch was posted at > > https://gcc.gnu.org/pipermail/gcc-patches/2021-July/574847.html > > There is no progress with repeated pings since then. Glibc 2.35 and > binutils 2.38 will support

[PATCH v4] x86: Add -m[no-]direct-extern-access

2022-01-27 Thread H.J. Lu via Gcc-patches
The v3 patch was posted at https://gcc.gnu.org/pipermail/gcc-patches/2021-July/574847.html There is no progress with repeated pings since then. Glibc 2.35 and binutils 2.38 will support GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS. I'd like to remove copy relocation to improve security and