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From: Christophe Lyon <christophe.lyon@st.com>
To: <gcc-patches@gcc.gnu.org>
Subject: Re: [ARM/FDPIC v5 00/21] FDPIC ABI for ARM
Date: Thu, 23 May 2019 12:46:00 -0000	[thread overview]
Message-ID: <d4643ae9-0f97-f81a-74c7-cc7b9e34f290@st.com> (raw)
In-Reply-To: <20190515124006.25840-1-christophe.lyon@st.com>

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
>

  parent reply	other threads:[~2019-05-23 12:46 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 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 12:41 ` [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 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 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 12:42 ` [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 12:42 ` [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 12:43 ` [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 12:43 ` [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 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 12:44 ` [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 12:44 ` [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 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 12:45 ` [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 12:45 ` [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 15/21] [ARM][testsuite] FDPIC: Adjust scan-assembler patterns Christophe Lyon
2019-07-19  8:54   ` Kyrill Tkachov
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 12:46 ` [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 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 12:47 ` [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
2019-05-15 12:47 ` [ARM/FDPIC v5 21/21] [ARM] FDPIC: Handle stack-protector combined patterns Christophe Lyon
2019-07-19  9:40   ` Kyrill Tkachov
2019-05-23 12:46 ` Christophe Lyon [this message]
2019-06-04 12:57   ` [ARM/FDPIC v5 00/21] FDPIC ABI for ARM 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
2019-08-29 14:54 ` Christophe Lyon
2019-08-29 16:29   ` Christophe Lyon

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