From: Christophe Lyon <christophe.lyon@linaro.org>
To: gcc Patches <gcc-patches@gcc.gnu.org>
Cc: Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>,
Richard Earnshaw <Richard.Earnshaw@arm.com>,
Kyrylo Tkachov <kyrylo.tkachov@arm.com>,
nick clifton <nickc@redhat.com>
Subject: Re: [ARM/FDPIC v5 00/21] FDPIC ABI for ARM
Date: Tue, 16 Jul 2019 09:13:00 -0000 [thread overview]
Message-ID: <CAKdteOYqeaD9xNR03_eU0WDmT0P8wXkqrpP-xT2EggG58DWMPA@mail.gmail.com> (raw)
In-Reply-To: <CAKdteOa=6qstN6+28on0C95xLrQof-bb35GV7h94aPLsmvPEKw@mail.gmail.com>
Ping^6?
Le lun. 8 juil. 2019 à 16:27, Christophe Lyon <christophe.lyon@linaro.org>
a écrit :
> ping^5?
>
> On Mon, 1 Jul 2019 at 14:15, Christophe Lyon <christophe.lyon@linaro.org>
> wrote:
> >
> > ping^4 ?
> > https://gcc.gnu.org/ml/gcc-patches/2019-05/msg00817.html
> >
> > On Mon, 17 Jun 2019 at 13:41, Christophe Lyon
> > <christophe.lyon@linaro.org> wrote:
> > >
> > > ping^3 ?
> > >
> > > On Thu, 6 Jun 2019 at 14:36, Christophe Lyon <
> christophe.lyon@linaro.org> wrote:
> > > >
> > > > Hi,
> > > >
> > > > If this makes review easier, here are the areas covered by the
> patches:
> > > >
> > > > - patches 1,3,4,7,8,9,10,12,21: target-specific
> > > > - patch 2: configure
> > > > - patch 5,6,11,13: generic parts, undef #if defined(__FDPIC__)
> > > > - patches 14-20: testsuite
> > > >
> > > > Christophe
> > > >
> > > > On Tue, 4 Jun 2019 at 14:57, Christophe Lyon <
> christophe.lyon@linaro.org> wrote:
> > > > >
> > > > > Ping?
> > > > >
> > > > >
> > > > > On Thu, 23 May 2019 at 14:46, Christophe Lyon <
> christophe.lyon@st.com> wrote:
> > > > > >
> > > > > > Ping?
> > > > > >
> > > > > > Any feedback other than what I got on patch 03/21 ?
> > > > > >
> > > > > > Thanks,
> > > > > >
> > > > > > Christophe
> > > > > >
> > > > > >
> > > > > > On 15/05/2019 14:39, Christophe Lyon wrote:
> > > > > > > Hello,
> > > > > > >
> > > > > > > This patch series implements the GCC contribution of the FDPIC
> ABI for
> > > > > > > ARM targets.
> > > > > > >
> > > > > > > This ABI enables to run Linux on ARM MMU-less cores and
> supports
> > > > > > > shared libraries to reduce the memory footprint.
> > > > > > >
> > > > > > > Without MMU, text and data segments relative distances are
> different
> > > > > > > from one process to another, hence the need for a dedicated
> FDPIC
> > > > > > > register holding the start address of the data segment. One of
> the
> > > > > > > side effects is that function pointers require two words to be
> > > > > > > represented: the address of the code, and the data segment
> start
> > > > > > > address. These two words are designated as "Function
> Descriptor",
> > > > > > > hence the "FD PIC" name.
> > > > > > >
> > > > > > > On ARM, the FDPIC register is r9 [1], and the target name is
> > > > > > > arm-uclinuxfdpiceabi. Note that arm-uclinux exists, but uses
> another
> > > > > > > ABI and the BFLAT file format; it does not support code
> sharing.
> > > > > > > The -mfdpic option is enabled by default, and -mno-fdpic
> should be
> > > > > > > used to build the Linux kernel.
> > > > > > >
> > > > > > > This work was developed some time ago by STMicroelectronics,
> and was
> > > > > > > presented during Linaro Connect SFO15 (September 2015). You
> can watch
> > > > > > > the discussion and read the slides [2].
> > > > > > > This presentation was related to the toolchain published on
> github [3],
> > > > > > > which is based on binutils-2.22, gcc-4.7, uclibc-0.9.33.2,
> gdb-7.5.1
> > > > > > > and qemu-2.3.0, and for which pre-built binaries are available
> [3].
> > > > > > >
> > > > > > > The ABI itself is described in details in [1].
> > > > > > >
> > > > > > > Our Linux kernel patches have been updated and committed by
> Nicolas
> > > > > > > Pitre (Linaro) in July 2017. They are required so that the
> loader is
> > > > > > > able to handle this new file type. Indeed, the ELF files are
> tagged
> > > > > > > with ELFOSABI_ARM_FDPIC. This new tag has been allocated by
> ARM, as
> > > > > > > well as the new relocations involved.
> > > > > > >
> > > > > > > The binutils, QEMU and uclibc-ng patch series have been merged
> a few
> > > > > > > months ago. [4][5][6]
> > > > > > >
> > > > > > > This series provides support for architectures that support
> ARM and/or
> > > > > > > Thumb-2 and has been tested on arm-linux-gnueabi without
> regression,
> > > > > > > as well as arm-uclinuxfdpiceabi, using QEMU.
> arm-uclinuxfdpiceabi has
> > > > > > > a few more failures than arm-linux-gnueabi, but is quite
> functional.
> > > > > > >
> > > > > > > I have also booted an STM32 board (stm32f469) which uses a
> cortex-m4
> > > > > > > with linux-4.20.17 and ran successfully several tools.
> > > > > > >
> > > > > > > Are the GCC patches OK for inclusion in master?
> > > > > > >
> > > > > > > Changes between v4 and v5:
> > > > > > > - rebased on top of recent gcc-10 master (April 26th, 2019)
> > > > > > > - fixed handling of stack-protector combined patterns in FDPIC
> mode
> > > > > > >
> > > > > > > Changes between v3 and v4:
> > > > > > >
> > > > > > > - improved documentation (patch 1)
> > > > > > > - emit an error message (sorry) if the target architecture
> does not
> > > > > > > support arm nor thumb-2 modes (patch 4)
> > > > > > > - handle Richard's comments on patch 4 (comments, unspec)
> > > > > > > - added .align directive (patch 5)
> > > > > > > - fixed use of kernel helpers (__kernel_cmpxchg, __kernel_dmb)
> (patch 6)
> > > > > > > - code factorization in patch 7
> > > > > > > - typos/internal function name in patch 8
> > > > > > > - improved patch 12
> > > > > > > - dropped patch 16
> > > > > > > - patch 20 introduces arm_arch*_thumb_ok effective targets to
> help
> > > > > > > skip some tests
> > > > > > > - I tested patch 2 on xtensa-buildroot-uclinux-uclibc, it adds
> many
> > > > > > > new tests, but a few regressions
> > > > > > > (https://gcc.gnu.org/ml/gcc-patches/2018-11/msg00713.html)
> > > > > > > - I compiled and executed several LTP tests to exercise
> pthreads and signals
> > > > > > > - I wrote and executed a simple testcase to change the
> interaction
> > > > > > > with __kernel_cmpxchg (ie. call the kernel helper rather
> than use an
> > > > > > > implementation in libgcc as requested by Richard)
> > > > > > >
> > > > > > > Changes between v2 and v3:
> > > > > > > - added doc entry for -mfdpic new option
> > > > > > > - took Kyrill's comments into account (use "Armv7" instead of
> "7",
> > > > > > > code factorization, use preprocessor instead of hard-coding
> "r9",
> > > > > > > remove leftover code for thumb1 support, fixed comments)
> > > > > > > - rebase over recent trunk
> > > > > > > - patches with changes: 1, 2 (commit message), 3 (rebase), 4,
> 6, 7, 9,
> > > > > > > 14 (rebase), 19 (rebase)
> > > > > > >
> > > > > > > Changes between v1 and v2:
> > > > > > > - fix GNU coding style
> > > > > > > - exit with an error for pre-Armv7
> > > > > > > - use ACLE __ARM_ARCH and remove dead code for pre-Armv4
> > > > > > > - remove unsupported attempts of pre-Armv7/thumb1 support
> > > > > > > - add instructions in comments next to opcodes
> > > > > > > - merge patches 11 and 13
> > > > > > > - fixed protected visibility handling in patch 8
> > > > > > > - merged legitimize_tls_address_fdpic and
> > > > > > > legitimize_tls_address_not_fdpic as requested
> > > > > > >
> > > > > > > Thanks,
> > > > > > >
> > > > > > > Christophe.
> > > > > > >
> > > > > > >
> > > > > > > [1]
> https://github.com/mickael-guene/fdpic_doc/blob/master/abi.txt
> > > > > > > [2]
> http://connect.linaro.org/resource/sfo15/sfo15-406-arm-fdpic-toolset-kernel-libraries-for-cortex-m-cortex-r-mmuless-cores/
> > > > > > > [3] https://github.com/mickael-guene/fdpic_manifest
> > > > > > > [4]
> https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commit;h=f1ac0afe481e83c9a33f247b81fa7de789edc4d9
> > > > > > > [5]
> https://git.qemu.org/?p=qemu.git;a=commit;h=e8fa72957419c11984608062c7dcb204a6003a06
> > > > > > > [6]
> https://cgit.uclibc-ng.org/cgi/cgit/uclibc-ng.git/commit/?id=13c46fbc1e5a021f2b9ed32d83aecc93ae5e655d
> > > > > > >
> > > > > > > Christophe Lyon (21):
> > > > > > > [ARM] FDPIC: Add -mfdpic option support
> > > > > > > [ARM] FDPIC: Handle arm*-*-uclinuxfdpiceabi in configure
> scripts
> > > > > > > [ARM] FDPIC: Force FDPIC related options unless -mno-fdpic
> is provided
> > > > > > > [ARM] FDPIC: Add support for FDPIC for arm architecture
> > > > > > > [ARM] FDPIC: Fix __do_global_dtors_aux and frame_dummy
> generation
> > > > > > > [ARM] FDPIC: Add support for c++ exceptions
> > > > > > > [ARM] FDPIC: Avoid saving/restoring r9 on stack since it is
> read-only
> > > > > > > [ARM] FDPIC: Enforce local/global binding for function
> descriptors
> > > > > > > [ARM] FDPIC: Add support for taking address of nested
> function
> > > > > > > [ARM] FDPIC: Implement TLS support.
> > > > > > > [ARM] FDPIC: Add support to unwind FDPIC signal frame
> > > > > > > [ARM] FDPIC: Restore r9 after we call __aeabi_read_tp
> > > > > > > [ARM] FDPIC: Force LSB bit for PC in Cortex-M architecture
> > > > > > > [ARM][testsuite] FDPIC: Skip unsupported tests
> > > > > > > [ARM][testsuite] FDPIC: Adjust scan-assembler patterns.
> > > > > > > [ARM][testsuite] FDPIC: Skip tests that don't work in PIC
> mode
> > > > > > > [ARM][testsuite] FDPIC: Handle *-*-uclinux*
> > > > > > > [ARM][testsuite] FDPIC: Enable tests on pie_enabled targets
> > > > > > > [ARM][testsuite] FDPIC: Adjust pr43698.c to avoid clash
> with uclibc.
> > > > > > > [ARM][testsuite] FDPIC: Skip tests using architectures
> unsupported by
> > > > > > > FDPIC
> > > > > > > [ARM] FDPIC: Handle stack-protector combined patterns
> > > > > > >
> > > > > > > config/futex.m4 | 2 +-
> > > > > > > config/tls.m4 | 2 +-
> > > > > > > gcc/config.gcc | 13 +-
> > > > > > > gcc/config/arm/arm-c.c | 2 +
> > > > > > > gcc/config/arm/arm-protos.h | 1 +
> > > > > > > gcc/config/arm/arm.c | 485
> ++++++++++++++++++---
> > > > > > > gcc/config/arm/arm.h | 16 +-
> > > > > > > gcc/config/arm/arm.md | 151
> ++++++-
> > > > > > > gcc/config/arm/arm.opt | 4 +
> > > > > > > gcc/config/arm/bpabi.h | 4 +-
> > > > > > > gcc/config/arm/linux-eabi.h | 7 +-
> > > > > > > gcc/config/arm/uclinuxfdpiceabi.h | 53 +++
> > > > > > > gcc/config/arm/unspecs.md | 1 +
> > > > > > > gcc/doc/invoke.texi | 20 +-
> > > > > > > gcc/ginclude/unwind-arm-common.h | 2 +-
> > > > > > > gcc/testsuite/g++.dg/abi/forced.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/abi/guard2.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/cpp0x/noexcept03.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/ext/cleanup-10.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/ext/cleanup-11.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/ext/cleanup-8.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/ext/cleanup-9.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/ext/sync-4.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/ipa/comdat.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/ipa/devirt-c-7.C | 3 +-
> > > > > > > gcc/testsuite/g++.dg/ipa/ivinline-1.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/ipa/ivinline-2.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/ipa/ivinline-3.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/ipa/ivinline-4.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/ipa/ivinline-5.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/ipa/ivinline-7.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/ipa/ivinline-8.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/ipa/ivinline-9.C | 2 +-
> > > > > > > gcc/testsuite/g++.dg/other/anon5.C | 1 +
> > > > > > > gcc/testsuite/g++.dg/tls/pr79288.C | 2 +-
> > > > > > > gcc/testsuite/gcc.c-torture/compile/pr82096.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/20020312-2.c | 1 +
> > > > > > > gcc/testsuite/gcc.dg/20041106-1.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/addr_equal-1.c | 3 +-
> > > > > > > gcc/testsuite/gcc.dg/cleanup-10.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/cleanup-11.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/cleanup-8.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/cleanup-9.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/const-1.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/fdata-sections-1.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/fdata-sections-2.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/ipa/pure-const-1.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/noreturn-8.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/pr33826.c | 3 +-
> > > > > > > gcc/testsuite/gcc.dg/pr39323-1.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/pr39323-2.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/pr39323-3.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/pr65780-1.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/pr65780-2.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/pr67338.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/pr78185.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/pr83100-1.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/pr83100-4.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/strlenopt-12g.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/strlenopt-14g.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/strlenopt-14gf.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/strlenopt-16g.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/strlenopt-17g.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/strlenopt-18g.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/strlenopt-1f.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/strlenopt-22g.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/strlenopt-2f.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/strlenopt-31g.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/strlenopt-33g.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/strlenopt-4g.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/strlenopt-4gf.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/strncmp-2.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/struct-ret-3.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/torture/ipa-pta-1.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/torture/pr69760.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/tree-ssa/alias-2.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/tree-ssa/ipa-split-5.c | 2 +-
> > > > > > > gcc/testsuite/gcc.dg/tree-ssa/loadpre6.c | 2 +-
> > > > > > > gcc/testsuite/gcc.target/arm/20051215-1.c | 1 +
> > > > > > > .../gcc.target/arm/armv6-unaligned-load-ice.c | 1 +
> > > > > > > .../gcc.target/arm/attr-unaligned-load-ice.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/attr_arm-err.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/data-rel-2.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/data-rel-3.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/div64-unwinding.c | 2 +-
> > > > > > > gcc/testsuite/gcc.target/arm/eliminate.c | 2 +-
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv4-arm.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv4t-arm.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv4t-thumb.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv5t-arm.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv5t-thumb.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv5te-arm.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv5te-thumb.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv6-arm.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv6-thumb.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv6k-arm.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv6k-thumb.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv6m-thumb.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv6t2-arm.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv6t2-thumb.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv6z-arm.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/ftest-armv6z-thumb.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/g2.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/interrupt-1.c | 6 +-
> > > > > > > gcc/testsuite/gcc.target/arm/interrupt-2.c | 6 +-
> > > > > > > gcc/testsuite/gcc.target/arm/ivopts-2.c | 2 +-
> > > > > > > gcc/testsuite/gcc.target/arm/ivopts-3.c | 2 +-
> > > > > > > gcc/testsuite/gcc.target/arm/ivopts-4.c | 2 +-
> > > > > > > gcc/testsuite/gcc.target/arm/ivopts-5.c | 2 +-
> > > > > > > gcc/testsuite/gcc.target/arm/macro_defs1.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/mmx-1.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/pr19599.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/pr40887.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/pr43597.c | 2 +-
> > > > > > > gcc/testsuite/gcc.target/arm/pr43698.c | 4 +-
> > > > > > > gcc/testsuite/gcc.target/arm/pr43920-2.c | 2 +-
> > > > > > > gcc/testsuite/gcc.target/arm/pr45701-1.c | 4 +-
> > > > > > > gcc/testsuite/gcc.target/arm/pr45701-2.c | 4 +-
> > > > > > > gcc/testsuite/gcc.target/arm/pr59858.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/pr61948.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/pr65647-2.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/pr66912.c | 2 +-
> > > > > > > gcc/testsuite/gcc.target/arm/pr70830.c | 3 +-
> > > > > > > gcc/testsuite/gcc.target/arm/pr77933-1.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/pr77933-2.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/pr79058.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/pr83712.c | 1 +
> > > > > > > .../gcc.target/arm/pragma_arch_switch_2.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/scd42-1.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/scd42-2.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/scd42-3.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/sibcall-1.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/stack-checking.c | 2 +-
> > > > > > > gcc/testsuite/gcc.target/arm/stack-red-zone.c | 2 +-
> > > > > > > gcc/testsuite/gcc.target/arm/synchronize.c | 2 +-
> > > > > > > gcc/testsuite/gcc.target/arm/tail-long-call.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/tlscall.c | 1 +
> > > > > > > gcc/testsuite/gcc.target/arm/vfp-longcall-apcs.c | 1 +
> > > > > > > gcc/testsuite/lib/target-supports.exp | 10 +
> > > > > > > libatomic/configure | 8 +-
> > > > > > > libatomic/configure.tgt | 2 +-
> > > > > > > libgcc/config.host | 4 +-
> > > > > > > libgcc/config/arm/linux-atomic.c | 55 ++-
> > > > > > > libgcc/config/arm/unwind-arm.c | 5 +
> > > > > > > libgcc/config/arm/unwind-arm.h | 31 +-
> > > > > > > libgcc/crtstuff.c | 18 +
> > > > > > > libgcc/unwind-arm-common.inc | 216
> +++++++++
> > > > > > > libgcc/unwind-pe.h | 17 +
> > > > > > > libitm/configure | 20 +-
> > > > > > > libitm/configure.tgt | 2 +-
> > > > > > > libsanitizer/configure.tgt | 3 +
> > > > > > > libstdc++-v3/acinclude.m4 | 12 +-
> > > > > > > libstdc++-v3/configure | 36 +-
> > > > > > > libstdc++-v3/configure.host | 6 +-
> > > > > > > libstdc++-v3/libsupc++/eh_personality.cc | 10 +-
> > > > > > > libtool.m4 | 14 +-
> > > > > > > 156 files changed, 1233 insertions(+), 219 deletions(-)
> > > > > > > create mode 100644 gcc/config/arm/uclinuxfdpiceabi.h
> > > > > > >
> > > > > >
>
next prev parent reply other threads:[~2019-07-16 9:07 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-15 12:40 Christophe Lyon
2019-05-15 12:40 ` [ARM/FDPIC v5 01/21] [ARM] FDPIC: Add -mfdpic option support Christophe Lyon
2019-07-16 10:18 ` Richard Sandiford
2019-08-29 15:08 ` Christophe Lyon
2019-08-30 10:06 ` Richard Sandiford
2019-05-15 12:41 ` [ARM/FDPIC v5 05/21] [ARM] FDPIC: Fix __do_global_dtors_aux and frame_dummy generation Christophe Lyon
2019-07-12 6:49 ` Richard Sandiford
2019-07-12 14:25 ` Christophe Lyon
2019-08-29 15:39 ` Christophe Lyon
2019-08-30 8:41 ` Richard Sandiford
2019-05-15 12:41 ` [ARM/FDPIC v5 02/21] [ARM] FDPIC: Handle arm*-*-uclinuxfdpiceabi in configure scripts Christophe Lyon
2019-07-12 7:44 ` Richard Sandiford
2019-07-12 13:25 ` Christophe Lyon
2019-07-12 13:28 ` Richard Sandiford
2019-08-29 15:14 ` Christophe Lyon
2019-08-30 9:30 ` Richard Sandiford
2019-08-30 14:48 ` Christophe Lyon
2019-08-30 15:15 ` Richard Sandiford
2019-09-02 7:51 ` Christophe Lyon
2019-09-02 8:31 ` Richard Sandiford
2019-08-30 14:40 ` Jonathan Wakely
2019-05-15 12:41 ` [ARM/FDPIC v5 03/21] [ARM] FDPIC: Force FDPIC related options unless -mno-fdpic is provided Christophe Lyon
2019-05-15 13:55 ` Szabolcs Nagy
2019-05-15 14:37 ` Rich Felker
2019-05-15 15:12 ` Christophe Lyon
2019-05-15 15:37 ` Rich Felker
2019-05-15 15:59 ` Szabolcs Nagy
2019-05-15 16:07 ` Rich Felker
2019-05-21 15:29 ` Christophe Lyon
2019-05-21 15:48 ` Rich Felker
2019-05-22 8:39 ` Szabolcs Nagy
2019-05-22 8:45 ` Christophe Lyon
2019-05-23 12:45 ` Christophe Lyon
2019-07-16 10:38 ` Richard Sandiford
2019-07-16 20:00 ` Rich Felker
2019-08-01 10:13 ` Christophe Lyon
2019-08-06 14:28 ` Richard Sandiford
2019-08-29 15:14 ` Christophe Lyon
2019-08-30 9:40 ` Richard Sandiford
2019-05-15 12:41 ` [ARM/FDPIC v5 04/21] [ARM] FDPIC: Add support for FDPIC for arm architecture Christophe Lyon
2019-07-16 12:33 ` Richard Sandiford
2019-08-20 17:13 ` Christophe Lyon
2019-08-29 15:39 ` Christophe Lyon
2019-09-02 16:12 ` Richard Sandiford
2019-09-02 20:04 ` Christophe Lyon
2019-09-03 8:40 ` Richard Sandiford
2019-09-04 19:59 ` Christophe Lyon
2019-09-05 8:03 ` Richard Sandiford
2019-05-15 12:42 ` [ARM/FDPIC v5 06/21] [ARM] FDPIC: Add support for c++ exceptions Christophe Lyon
2019-08-30 9:31 ` Kyrill Tkachov
2019-08-30 14:44 ` Jonathan Wakely
2019-05-15 12:42 ` [ARM/FDPIC v5 07/21] [ARM] FDPIC: Avoid saving/restoring r9 on stack since it is read-only Christophe Lyon
2019-07-16 10:42 ` Kyrill Tkachov
2019-05-15 12:43 ` [ARM/FDPIC v5 09/21] [ARM] FDPIC: Add support for taking address of nested function Christophe Lyon
2019-07-16 11:53 ` Kyrill Tkachov
2019-07-16 13:31 ` Kyrill Tkachov
2019-07-31 14:48 ` Christophe Lyon
2019-08-29 15:40 ` Christophe Lyon
2019-08-30 8:54 ` Kyrill Tkachov
2019-05-15 12:43 ` [ARM/FDPIC v5 10/21] [ARM] FDPIC: Implement TLS support Christophe Lyon
2019-09-04 14:16 ` Kyrill Tkachov
2019-09-04 20:03 ` Christophe Lyon
2019-09-09 8:54 ` Christophe Lyon
2019-05-15 12:43 ` [ARM/FDPIC v5 08/21] [ARM] FDPIC: Enforce local/global binding for function descriptors Christophe Lyon
2019-07-16 10:51 ` Kyrill Tkachov
2019-05-15 12:44 ` [ARM/FDPIC v5 13/21] [ARM] FDPIC: Force LSB bit for PC in Cortex-M architecture Christophe Lyon
2019-08-29 15:37 ` Kyrill Tkachov
2019-09-05 8:30 ` Christophe Lyon
2019-09-05 8:32 ` Christophe Lyon
2019-09-05 20:56 ` Ian Lance Taylor
2019-09-05 9:03 ` Kyrill Tkachov
2019-09-09 8:58 ` Christophe Lyon
2019-05-15 12:44 ` [ARM/FDPIC v5 12/21] [ARM] FDPIC: Restore r9 after we call __aeabi_read_tp Christophe Lyon
2019-08-29 15:40 ` Christophe Lyon
2019-08-29 15:44 ` Kyrill Tkachov
2019-05-15 12:44 ` [ARM/FDPIC v5 11/21] [ARM] FDPIC: Add support to unwind FDPIC signal frame Christophe Lyon
2019-09-04 14:19 ` Kyrill Tkachov
2019-05-15 12:45 ` [ARM/FDPIC v5 15/21] [ARM][testsuite] FDPIC: Adjust scan-assembler patterns Christophe Lyon
2019-07-19 8:54 ` Kyrill Tkachov
2019-05-15 12:45 ` [ARM/FDPIC v5 14/21] [ARM][testsuite] FDPIC: Skip unsupported tests Christophe Lyon
2019-07-19 8:52 ` Kyrill Tkachov
2019-05-15 12:45 ` [ARM/FDPIC v5 16/21] [ARM][testsuite] FDPIC: Skip tests that don't work in PIC mode Christophe Lyon
2019-07-19 8:56 ` Kyrill Tkachov
2019-05-15 12:46 ` [ARM/FDPIC v5 19/21] [ARM][testsuite] FDPIC: Adjust pr43698.c to avoid clash with uclibc Christophe Lyon
2019-07-19 9:00 ` Kyrill Tkachov
2019-05-15 12:46 ` [ARM/FDPIC v5 18/21] [ARM][testsuite] FDPIC: Enable tests on pie_enabled targets Christophe Lyon
2019-07-19 8:59 ` Kyrill Tkachov
2019-07-22 19:50 ` Mike Stump
2019-05-15 12:46 ` [ARM/FDPIC v5 17/21] [ARM][testsuite] FDPIC: Handle *-*-uclinux* Christophe Lyon
2019-07-19 8:57 ` Kyrill Tkachov
2019-07-22 19:37 ` Mike Stump
2019-05-15 12:47 ` [ARM/FDPIC v5 21/21] [ARM] FDPIC: Handle stack-protector combined patterns Christophe Lyon
2019-07-19 9:40 ` Kyrill Tkachov
2019-05-15 12:47 ` [ARM/FDPIC v5 20/21] [ARM][testsuite] FDPIC: Skip tests using architectures unsupported by FDPIC Christophe Lyon
2019-07-19 9:03 ` Kyrill Tkachov
2019-09-06 8:01 ` Christophe Lyon
2019-09-06 8:28 ` Kyrill Tkachov
2019-09-06 9:10 ` Christophe Lyon
2019-09-06 17:44 ` Christophe Lyon
2019-09-09 8:38 ` Christophe Lyon
2019-05-23 12:46 ` [ARM/FDPIC v5 00/21] FDPIC ABI for ARM Christophe Lyon
2019-06-04 12:57 ` Christophe Lyon
2019-06-06 12:36 ` Christophe Lyon
2019-06-17 11:42 ` Christophe Lyon
2019-07-01 12:16 ` Christophe Lyon
2019-07-08 14:28 ` Christophe Lyon
2019-07-16 9:13 ` Christophe Lyon [this message]
2019-08-29 14:54 ` Christophe Lyon
2019-08-29 16:29 ` Christophe Lyon
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