RE: Enable no-exec stacks for more targets using the Linux kernel

2017-09-25 Thread Nagaraju Mekala
> -Original Message- > From: gcc-patches-ow...@gcc.gnu.org [mailto:gcc-patches- > ow...@gcc.gnu.org] On Behalf Of Nagaraju Mekala > Sent: Thursday, September 21, 2017 2:56 PM > To: Joseph Myers > Cc: sch...@suse.de; gcc-patches@gcc.gnu.org; l...@redhat.com; >

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-21 Thread Jakub Jelinek
On Wed, Sep 20, 2017 at 12:25:46PM +, Joseph Myers wrote: > On Wed, 20 Sep 2017, Andreas Schwab wrote: > > > On Sep 19 2017, Joseph Myers wrote: > > > > > I've sent a glibc patch > > > . I think > > >

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-21 Thread Eric Botcazou
> Thanks. I think this adequately confirms my glibc patch is safe for ia64. > The questions above remain for hppa and microblaze. HP-PA uses function descriptors like IA-64 so same outcome. -- Eric Botcazou

RE: Enable no-exec stacks for more targets using the Linux kernel

2017-09-21 Thread Nagaraju Mekala
> -Original Message- > From: Joseph Myers [mailto:jos...@codesourcery.com] > Sent: Wednesday, September 20, 2017 5:52 PM > To: Nagaraju Mekala > Cc: sch...@suse.de; gcc-patches@gcc.gnu.org; l...@redhat.com; > d...@anglin.bell.net; wil...@tuliptree.org; Michael Eager >

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-20 Thread Joseph Myers
On Wed, 20 Sep 2017, Andreas Schwab wrote: > On Sep 19 2017, Joseph Myers wrote: > > > I've sent a glibc patch > > . I think the > > key questions for architecture experts now are: on each of those three >

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-20 Thread Joseph Myers
On Wed, 20 Sep 2017, Nagaraju Mekala wrote: > > I've sent a glibc patch > > . I think the > >key questions for architecture experts now are: on each of those three > >architectures, do trampolines ever require executable stacks, and,

RE: Enable no-exec stacks for more targets using the Linux kernel

2017-09-20 Thread Nagaraju Mekala
> -Original Message- > From: gcc-patches-ow...@gcc.gnu.org [mailto:gcc-patches- > ow...@gcc.gnu.org] On Behalf Of Andreas Schwab > Sent: Wednesday, September 20, 2017 12:19 PM > To: Joseph Myers > Cc: gcc-patches@gcc.gnu.org; l...@redhat.com;

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-20 Thread Andreas Schwab
On Sep 19 2017, Joseph Myers wrote: > I've sent a glibc patch > . I think the > key questions for architecture experts now are: on each of those three > architectures, do trampolines ever require executable

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-20 Thread Nagaraju Mekala
>On Tue, 19 Sep 2017, Andreas Schwab wrote: > >On Sep 18 2017, Joseph Myers wrote: > > > > Building glibc for many different configurations and running the > > compilation parts of the testsuite runs into failures of the > > elf/check-execstack test for hppa, ia64 and

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-19 Thread Joseph Myers
On Tue, 19 Sep 2017, Andreas Schwab wrote: > On Sep 18 2017, Joseph Myers wrote: > > > Building glibc for many different configurations and running the > > compilation parts of the testsuite runs into failures of the > > elf/check-execstack test for hppa, ia64 and

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-19 Thread Michael Eager
On 09/19/2017 12:17 AM, Andreas Schwab wrote: On Sep 18 2017, Joseph Myers wrote: Building glibc for many different configurations and running the compilation parts of the testsuite runs into failures of the elf/check-execstack test for hppa, ia64 and microblaze.

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-19 Thread Andreas Schwab
On Sep 18 2017, Joseph Myers wrote: > Building glibc for many different configurations and running the > compilation parts of the testsuite runs into failures of the > elf/check-execstack test for hppa, ia64 and microblaze. ia64 is non-execstack by default, so it

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-18 Thread Jim Wilson
On Mon, 2017-09-18 at 22:03 +, Joseph Myers wrote: > Thus, I'd like the architecture maintainers to advise on whether any > such issues apply for their architecture.  If they do, that will > provide the information needed for a comment on XFAILing the test in > glibc.  If no such reasons apply