From: Christophe Lyon <christophe.lyon@linaro.org>
To: Kyrill Tkachov <kyrylo.tkachov@foss.arm.com>
Cc: christophe lyon St <christophe.lyon@st.com>,
gcc Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [ARM/FDPIC v2 01/21] [ARM] FDPIC: Add -mfdpic option support
Date: Fri, 31 Aug 2018 14:09:00 -0000 [thread overview]
Message-ID: <CAKdteOazp5xJBmgzAyPJebNydfdyYEGufO_SPjAMJux-VAqRCg@mail.gmail.com> (raw)
In-Reply-To: <5B86797C.9030300@foss.arm.com>
On Wed, 29 Aug 2018 at 12:46, Kyrill Tkachov
<kyrylo.tkachov@foss.arm.com> wrote:
>
> Hi Christophe,
>
> On 13/07/18 17:10, christophe.lyon@st.com wrote:
> > From: Christophe Lyon <christophe.lyon@linaro.org>
> >
> > 2018-XX-XX Christophe Lyon <christophe.lyon@st.com>
> > Mickaël Guêné <mickael.guene@st.com>
> >
> > gcc/
> > * config/arm/arm.opt: Add -mfdpic option.
> >
> > Change-Id: Ie5c4ed7434488933de6133186da09cd3ea1291a7
> >
> > diff --git a/gcc/config/arm/arm.opt b/gcc/config/arm/arm.opt
> > index a1286a4..231c1cb 100644
> > --- a/gcc/config/arm/arm.opt
> > +++ b/gcc/config/arm/arm.opt
> > @@ -302,3 +302,7 @@ When linking for big-endian targets, generate a legacy BE32 format image.
> > mbranch-cost=
> > Target RejectNegative Joined UInteger Var(arm_branch_cost) Init(-1)
> > Cost to assume for a branch insn.
> > +
> > +mfdpic
> > +Target Report Mask(FDPIC)
> > +Enable Function Descriptor PIC mode.
>
> So since this is an ABI, why isn't it just adding a new -mabi value?
I think it's just an oversight, because we always talk about "FDPIC
mode". I can change it, it's meant to be mostly hidden and toggled by
the target name.
> In any case, command-line option changes need documentation in invoke.texi.
I keep forgetting this, sorry.
> Thanks,
> Kyrill
>
>
> > --
> > 2.6.3
> >
>
next prev parent reply other threads:[~2018-08-31 14:09 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-13 16:12 [ARM/FDPIC v2 00/21] FDPIC ABI for ARM christophe.lyon
2018-07-13 16:12 ` [ARM/FDPIC v2 02/21] [ARM] FDPIC: Handle arm*-*-uclinuxfdpiceabi in configure scripts christophe.lyon
2018-08-29 10:46 ` Kyrill Tkachov
2018-08-31 14:13 ` Christophe Lyon
2018-09-09 8:16 ` Christophe Lyon
2018-07-13 16:12 ` [ARM/FDPIC v2 01/21] [ARM] FDPIC: Add -mfdpic option support christophe.lyon
2018-08-29 10:46 ` Kyrill Tkachov
2018-08-31 14:09 ` Christophe Lyon [this message]
2018-09-21 15:41 ` Christophe Lyon
2018-07-13 16:13 ` [ARM/FDPIC v2 05/21] [ARM] FDPIC: Fix __do_global_dtors_aux and frame_dummy generation christophe.lyon
2018-07-13 16:13 ` [ARM/FDPIC v2 03/21] [ARM] FDPIC: Force FDPIC related options unless -mno-fdpic is provided christophe.lyon
2018-07-13 16:13 ` [ARM/FDPIC v2 04/21] [ARM] FDPIC: Add support for FDPIC for arm architecture christophe.lyon
2018-08-29 10:46 ` Kyrill Tkachov
2018-09-04 15:29 ` Richard Earnshaw (lists)
2018-09-05 12:07 ` Christophe Lyon
2018-07-13 16:14 ` [ARM/FDPIC v2 08/21] [ARM] FDPIC: Ensure local/global binding for function descriptors christophe.lyon
2018-07-13 16:14 ` [ARM/FDPIC v2 07/21] [ARM] FDPIC: Avoid saving/restoring r9 on stack since it is RO christophe.lyon
2018-08-29 10:52 ` Kyrill Tkachov
2018-07-13 16:14 ` [ARM/FDPIC v2 06/21] [ARM] FDPIC: Add support for c++ exceptions christophe.lyon
2018-08-29 10:49 ` Kyrill Tkachov
2018-07-13 16:15 ` [ARM/FDPIC v2 11/21] [ARM] FDPIC: Add support to unwind FDPIC signal frame christophe.lyon
2018-07-13 16:15 ` [ARM/FDPIC v2 09/21] [ARM] FDPIC: Add support for taking address of nested function christophe.lyon
2018-08-29 11:01 ` Kyrill Tkachov
2018-08-31 14:17 ` Christophe Lyon
2018-07-13 16:15 ` [ARM/FDPIC v2 10/21] [ARM] FDPIC: Implement TLS support christophe.lyon
2018-07-13 16:16 ` [ARM/FDPIC v2 14/21] [ARM][testsuite] FDPIC: Skip unsupported tests christophe.lyon
2018-07-13 16:16 ` [ARM/FDPIC v2 12/21] [ARM] FDPIC: Restore r9 after we call __aeabi_read_tp christophe.lyon
2018-07-13 16:16 ` [ARM/FDPIC v2 13/21] [ARM] FDPIC: Force LSB bit for PC in Cortex-M architecture christophe.lyon
2018-07-13 16:17 ` [ARM/FDPIC v2 16/21] [ARM][testsuite] FDPIC: Skip v8-m and v6-m tests that currently produce an ICE christophe.lyon
2018-07-13 16:17 ` [ARM/FDPIC v2 17/21] [ARM][testsuite] FDPIC: Skip tests that don't work in PIC mode christophe.lyon
2018-07-13 16:17 ` [ARM/FDPIC v2 15/21] [ARM][testsuite] FDPIC: Adjust scan-assembler patterns christophe.lyon
2018-07-13 16:18 ` [ARM/FDPIC v2 20/21] [ARM][testsuite] FDPIC: Adjust pr43698.c to avoid clash with uclibc christophe.lyon
2018-07-13 16:18 ` [ARM/FDPIC v2 19/21] [ARM][testsuite] FDPIC: Enable tests on pie_enabled targets christophe.lyon
2018-07-13 16:18 ` [ARM/FDPIC v2 18/21] [ARM][testsuite] FDPIC: Handle *-*-uclinux* christophe.lyon
2018-07-13 16:19 ` [ARM/FDPIC v2 21/21] [ARM][testsuite] FDPIC: Skip tests using architecture older than v7 christophe.lyon
2018-08-01 14:03 ` [ARM/FDPIC v2 00/21] FDPIC ABI for ARM Christophe Lyon
2018-08-16 22:20 ` Christophe Lyon
2018-08-28 16:09 ` Christophe Lyon
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