- linaro-toolchain - lists.linaro.org

[ACTIVITY] 16-20 April 2018

by Christophe Lyon

== Progress == * GCC - FDPIC - binutils: sent updated patch with new target name - GCC: cleaning patch series - QEMU: updated patches according to Peter's feedback * GCC upstream validation: - minor testsuite fixes * Infrastructure: - Linux kernel + lava failing: kernel now fixed, job OK again * misc (conf-calls, meetings, emails, ....) == Next == * FDPIC: - Handle feedback on binutils and QEMU patches - GCC continue cleanup * GCC upstream validation

7 years, 4 months

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[ACTIVITY] Weekly report for week 16

by Thomas Preudhomme

=== Work done during this GCC week === * TCWG-1379 (stack-protector failure on GCC ARM): need feedback from community + reproduce on trunk and find out why it happens on ARM and not AArch64 or x86 + find potential issue for all targets as well, though less likely + find discrepencies between code and documentation and wondered if code is not overly zealous in some case * 2 days doing Arm handover & meetings === Plan for next week (week 12) === * Progress on stack-protector failure * Support arithmetic on FileCheck regex variable: finish patch

7 years, 4 months

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[ACTIVITY] report week ending 20 Apr

by Peter Maydell

Progress: * VIRT-65 [QEMU upstream maintainership] + sent another patch related to linux-user signal frames (a wrinkle I had thought had no effect with SVE disabled turns out to be relevant in the no-SVE case too) + testing and applying patches for 2.12 rc4 + code review: - latest spin of the SMMUv3 emulation patches - some last-minute fixes to our softfloat refactoring - memory barrier handling in the 32-bit arm TCG backend was broken + tracked down a zephyr test failure on QEMU as the same bug in the Zephyr timer device driver as the one I reported 6 months ago... + sent a patch fixing linux-user emulation of getdents syscall for 64-bit guest on 32-bit host + sent a patchset that removes the long-standing "only 4 serial ports" limit in QEMU (various Arm boards really have 5 or 6) + some patches fixing errors in arm boards that don't properly register all their RAM regions for migration thanks -- PMM

7 years, 4 months

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[ACTIVITY] week ending 15 Apr 2018

by Richard Henderson

[VIRT-198 # QEMU: SVE Emulation Support ] Cleaning up patches and fixing RISU failures. [UPSTREAM] Review of the tb_lock patch set. Finish review of the v2 TranslateOps patch set. Pushed a couple of softfloat fixes and an icount fix for 2.12. r~

7 years, 5 months

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[ACTIVITY] Weekly report for week 15

by Thomas Preudhomme

Note1: working for Linaro every other week === Issues === * IT issues made me loose 1 day of work === Work done during this LLVM+GCC week === * LLVM PR34170 (crashes with inline asm with double output operand in GPR): internal review + improved patch to also support case with several output operands -> had to choose to relax test a bit to not put expectation on register allocator * Support arithmetic on FileCheck regex variables: in progress + an attempt to be able to express that 2 registers are related by some arithmetic expression (eg. vmov dY, rX, rX+1), seems doable Upstream work on Arm GCC side: cmse_nonsecure_caller return wrong answer: backported to GCC 7 * __builtin_arm_set_fpscr crashes with literal values input: committed to trunk, backport oked + do more testing and prepare backport to GCC 6 & 7 * PR85344 (GCC fails constraint check on valid code): in progress + 2 prototype patches done but inconclusive result + pondering what should be the expect behaviour + investigating the extent of the problem -> both immediate and register constraints can be surprising === Plan for next week (week 12) === * Investigate stack-protector failure with Linaro GCC 7 toolchains * DSGHACK-25 (Support arithmetic on FileCheck regex variable): finish patch === Planned leave === * 28th April -> 29th May Sabbatical (Trip to France, then China, then France again)

7 years, 5 months

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[ACTIVITY] week ending Apr. 15 2018

by Alex Bennée

SoftFloat Bugs ([VIRT-69]) ========================== - posted {PATCH v1 0/2} Softfloat Fixes for 2.12 Message-Id: <CAFEAcA_9F3s5h8r-BGF2K_3-qgs7qUzpQQpjwtn+CdgUF-9zkg(a)mail.gmail.com> - posted {PATCH v2 0/2} Softfloat Fixes for 2.12 Message-Id: <3a3a9132-8f03-c476-bd0d-b6c91a9cc3a4(a)mail.uni-paderborn.de> - need to fix the various fcvt corner cases, won't make 2.12 :todo [VIRT-69] https://projects.linaro.org/browse/VIRT-69 Upstream Work ([VIRT-109]) ========================== - catch-up on review queue :todo [VIRT-109] https://projects.linaro.org/browse/VIRT-109 Fixing up tests/tcg ~~~~~~~~~~~~~~~~~~~ - initial response seems good, working on revision - already proved handy for quick test case for [reported bug with CNTVCT] - fix SIGILL for mrs x0, cntvct_el0 :todo [reported bug with CNTVCT] https://projects.linaro.org/browse/HPC-101 Other Tasks =========== - Investigate weird QEMU CI OBS build issue :todo - the OBS build should be failing the RISU tests but isn't, despite the commit id it reports Completed Reviews [13/13] ========================= Absences ======== - VNC18 Connect (17th-21st September 2018) Current Review Queue ==================== * {PATCH v2 00/17} tcg: tb_lock_removal redux v2 Message-Id: <1522980788-1252-1-git-send-email-cota(a)braap.org> * {PATCH v3 00/15} fp-test + hardfloat Message-Id: <1522883475-27858-1-git-send-email-cota(a)braap.org> * {Qemu-devel} {PATCH V7 0/4} tests: Add migration test for aarch64 Message-Id: <20180228180215.25470-1-wei(a)redhat.com> * { PATCH v7 00/22} replay additions Message-Id: <20180227095135.1060.36549.stgit@pasha-VirtualBox> * {Qemu-devel} {PATCH 0/2} target/sh4: translator loop conversion Message-Id: <1518751105-17211-1-git-send-email-cota(a)braap.org> * {Qemu-arm} {PATCH 0/8} v8m: minor missing regs and bugfixes Message-Id: <20180205105720.14620-1-peter.maydell(a)linaro.org> * {Qemu-devel} {PATCH} log-for-trace.h: Split out parts of log.h used by trace.h Message-Id: <20180213140029.8308-1-peter.maydell(a)linaro.org> * {Qemu-devel} {PATCH v5 0/5} coroutine-lock: polymorphic CoQueue Message-Id: <20180203153935.8056-1-pbonzini(a)redhat.com> * {PATCH v3 00/13} Support building with py2 or py3 Message-Id: <20180115102621.9183-1-berrange(a)redhat.com> * {PATCH 0/7} docker: update Ubuntu and Fedora images, deprecate old ones Message-Id: <20180112125000.27256-1-f4bug(a)amsat.org> * {PATCH v14 0/9} Add ARMv8 RAS virtualization support in QEMU Message-Id: <1514440458-10515-6-git-send-email-gengdongjiu(a)huawei.com> * {Qemu-devel} {PATCH v3 00/18} Various build-sys and sanitizer related fixes Message-Id: <20180104160523.22995-1-marcandre.lureau(a)redhat.com> * {Qemu-devel} {RFC PATCH 0/5} Scoped locks using attribute((cleanup)) Message-Id: <20171208105553.12249-3-pbonzini(a)redhat.com> * {Qemu-devel} {PATCH} target/ppc: Fix system lockups caused by interrupt_request state corruption Message-Id: <1511285538-22883-1-git-send-email-richard.purdie(a)linuxfoundation.org> * {PATCH RFC 0/3} TCG: do copy propagation through memory locations Message-Id: <20171109144155.17076-1-batuzovk(a)ispras.ru> * {Qemu-devel} {RFC PATCH 00/26} replay additions Message-Id: <20171031110641.5836.43266.stgit@pasha-VirtualBox> * {RFC PATCH 0/4} Initial KVM SVE support hacks Message-Id: <1510936735-6762-1-git-send-email-Dave.Martin(a)arm.com> * {Qemu-devel} {PATCH v6 00/50} tcg tb_lock removal Message-Id: <20171016172609.23422-1-richard.henderson(a)linaro.org> * {Qemu-arm} {PATCH v2 00/13} More fully implement ARM PMUv3 Message-Id: <1506737310-21880-1-git-send-email-alindsay(a)codeaurora.org> * {Qemu-devel} {PATCH 00/22} tcg: tb_lock removal Message-Id: <1502149958-23381-1-git-send-email-cota(a)braap.org> * {PATCH V2 0/4} ARM64: Fix irq generation between breakpoint and step exception Message-Id: <20170725132737.GC28815(a)arm.com> * {Qemu-devel} {PATCH 00/43} Windbg supporting Message-Id: <150642384156.3900.3326424823772221077.stgit(a)Misha-PC.lan02.inno> * {PATCH v1 00/27} s390x: SMP for TCG (+ cleanups) Message-Id: <20170918160012.4317-1-david(a)redhat.com> * {Qemu-devel} {PATCH} arm: Fix SMC reporting to EL2 when QEMU provides PSCI Message-Id: <1d61ec4d-da94-e96a-e1f6-509a4e80daec(a)siemens.com> * {PATCH RFC 0/7} Proof of concept to power up "make test" with docker Message-Id: <20170908091700.14867-1-famz(a)redhat.com> * {Qemu-devel} {PATCH v6 00/22} instrument: Add basic event instrumentation Message-Id: <150529642278.10902.18234057937634437857.stgit(a)frigg.lan> * {PATCH v13 00/26} translate: {tcg} Generic translation framework Message-Id: <150002001195.22386.4679134058536830996.stgit(a)frigg.lan> * {PATCH for 2.10 00/35} fix bugs reported by Clang Static Analyzer Message-Id: <20170724182751.18261-1-f4bug(a)amsat.org> * {Qemu-devel} {PATCH v2 00/45} tcg: support for multiple TCG contexts Message-Id: <1500235468-15341-1-git-send-email-cota(a)braap.org> * {RFC PATCH 0/8} removal of tci (tcg interpreter) Message-Id: <20170629010300.2848-1-f4bug(a)amsat.org> * {Qemu-devel} {PATCH v8 0/7} trace: {tcg} Optimize per-vCPU tracing states Message-Id: <1496975122-16999-1-git-send-email-cota(a)braap.org> * {Qemu-devel} {PATCH 0/7} Introducing libtcg Message-Id: <20170228171921.21602-1-ale+qemu(a)clearmind.me> * {PATCH v2 0/3} Add litmus tests for MTTCG consistency tests Message-Id: <20160820162846.13501-1-bobby.prani(a)gmail.com> * {Qemu-arm} {PATCH 00/23} GICv3 emulation Message-Id: <1462814989-24360-1-git-send-email-peter.maydell(a)linaro.org> * {Qemu-devel} {RFC PATCH 0/6} decouple board headers from cpu.h Message-Id: <1450189710-18264-1-git-send-email-pbonzini(a)redhat.com> * {PATCH RFC v2 0/2} Enable cp15 timers with user space gic & kvm Message-Id: <1479133935-63848-1-git-send-email-agraf(a)suse.de> * {Qemu-devel} {PATCH 0/5} ARM BE8/BE32 big-endian system-mode fixes (semihosting, gdbstub) Message-Id: <1478194258-75276-1-git-send-email-julian(a)codesourcery.com> * {Qemu-devel} {PATCH v2 00/13} add support for Hypervisor.framework in QEMU Message-Id: <20170830082702.3011-1-Sergio.G.DelReal(a)gmail.com> * {RFC PATCH 0/7} KVM: arm/arm64: Optimize arch timer register handling Message-Id: <20161210204712.21830-1-christoffer.dall(a)linaro.org> * {PATCH RFC 0/6} target-arm: KVM64: Cross type vCPU support Message-Id: <1484558821-15512-1-git-send-email-zhaoshenglong(a)huawei.com> * {Qemu-devel} {PATCH Risu 0/2} PPC64 improvements Message-Id: <1485744457-10324-1-git-send-email-joserz(a)linux.vnet.ibm.com> * {Qemu-devel} {PATCH} linux-user: fill target sigcontext struct accordingly Message-Id: <1485900317-3256-1-git-send-email-joserz(a)linux.vnet.ibm.com> * {Qemu-devel} {PATCH 0/2} qemu-img: fix coverity nits Message-Id: <1486744104-15590-1-git-send-email-peter.maydell(a)linaro.org> * {RFC 0/3} split core mmu_idx from ARMMMUIdx values Message-Id: <1493051615-30715-1-git-send-email-peter.maydell(a)linaro.org> * {Qemu-arm} {RFC v4 0/5} ARM SMMUv3 Emulation Support Message-Id: <1494697399-352-1-git-send-email-eric.auger(a)redhat.com> * {PATCH v1 0/2} arm: Extend PAR format determination Message-Id: <1498830302-19274-1-git-send-email-edgar.iglesias(a)gmail.com> * {Qemu-devel} {PATCH v3 0/5} optimize various tcg_gen() functions using extract op Message-Id: <7d1b12cd-80dc-7fc8-935d-bec7fb08e256(a)amsat.org> -- Alex Bennée

7 years, 5 months

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[ACTIVITY] report week ending 13 Apr

by Peter Maydell

Progress: * VIRT-65 [QEMU upstream maintainership] + sent patch fixing problem where some aarch64 binaries would segfault under linux-user (changes for SVE accidentally caused them to get a too-small signal frame) + wrote an RFC kernel patch which sanitizes the ESR value reported to userspace for faults on kernel addresses, rather than dropping it entirely + wrote a patch to fix a reported QEMU compile failure for Arm guests on MIPS hosts + code review: - various bug fixes for 2.12 - another round of the patchset to implement the PMU properly - DS1338 RTC device emulation overhaul patches - QEMU side of changes to allow more than 123 CPUs with KVM (mostly involving allowing split GIC redistributor regions) - linux-user FDPIC ABI support Hopefully next week I'll be able to get back to non-release related work... thanks -- PMM

7 years, 5 months

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[ACTIVITY] 9-13 April 2018

by Christophe Lyon

* Short week: off Mon/Tue/Wed == Progress == * GCC - FDPIC - binutils: patch series approved, waiting for clarification on target name - GCC: cleaning patch series, fixing lto problems * GCC upstream validation: * Infrastructure: - Linux kernel + lava failing: still failing, it seems the fix hasn't been merged yet - TCWG-1335: GCC validation results now sent to gcc-testresults - looked at some random problems (?) in our GCC validation * misc (conf-calls, meetings, emails, ....) == Next == * FDPIC: - Handle feedback on binutils and QEMU patches - GCC continue cleanup * GCC upstream validation

7 years, 5 months

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LTO support

by David Xia

Hi Team, Could you please let me know which version of toolchain released from Linaro starts to support LTO? Thanks David IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.

7 years, 5 months

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[ACTIVITY] week ending 6th April 2018

by Peter Smith

[TCWG-1375] Make sure MCSubtargetInfo is passed through to ARMAsmBackend functions Spent most of the week working on this and follow up patches. Have submitted a patch for the most important functions. Nearly have one ready for the correct Nop encoding, this is more complicated as Nops can be used as padding. [Plans] In office Monday Tuesday only. Progress [TCWG-1375] Planned Absences: - At ACCU conference Wednesday - Friday [Holiday] - At Euro LLVM following Monday Tuesday

7 years, 5 months

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[ACTIVITY] week ending 8 Apr 2018

by Richard Henderson

[VIRT-198 # QEMU: SVE Emulation Support ] Cleaning up patches and fixing RISU failures. Most of these have thankfully been errors in last week's first pass reordering of the sve_access_check. Typically wrt when we find the address of a register vs the location of the check vs assert_fp_access_checked. [Upstream] Examined a bug affecting aa64 guest on ppc64 host, but only when using gcc 4.8.5 and not gcc 7.2. Fixed; in the end a minor typo on the code, but highly annoying to track down. r~

7 years, 5 months

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[ACTIVITY] Week 14

by Yvan Roux

o 1 day off == Progress == o LLVM * Buildbots babysitting: - Investigate LNT failure due to virtualenv and pip versions (Now fixed). * Working on LLVM benchmarking job o Misc * Various meetings and discussions.

7 years, 5 months

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[ACTIVITY] week ending Apr. 8 2018

by Alex Bennée

SVE Support ([VIRT-198]) ======================== [VIRT-198] https://projects.linaro.org/browse/VIRT-198 SVE Reviews ~~~~~~~~~~~ - reviewed {Qemu-arm} {PATCH v2 00/67} target/arm: Scalable Vector Extension Message-Id: <20180217182323.25885-1-richard.henderson(a)linaro.org> SoftFloat Bugs ([VIRT-69]) ========================== - started coding up a [general test case for rounding/limits testing] - looks like Emilo's solution Message-Id: <1522883475-27858-2-git-send-email-cota(a)braap.org> should be good - using the re-factored packing [pretty much works out the box] - still need to sort out ARM alternative FP16 format :todo - also need to check [float32_to_int32 NaN bug] - and fixes from Emilio's tree Message-Id: <1522883475-27858-3-git-send-email-cota(a)braap.org> - and [https://bugs.launchpad.net/bugs/1761401] - cross-building gcc/unit tests [VIRT-69] https://projects.linaro.org/browse/VIRT-69 [general test case for rounding/limits testing] https://github.com/stsquad/testcases/tree/master/float [pretty much works out the box] https://github.com/stsquad/qemu/tree/softfloat-fixes-for-2.12-v1 [float32_to_int32 NaN bug] https://bugs.launchpad.net/qemu/+bug/1759264 Upstream Work ([VIRT-109]) ========================== - catch-up on review queue :todo [VIRT-109] https://projects.linaro.org/browse/VIRT-109 Fixing up tests/tcg ~~~~~~~~~~~~~~~~~~~ - a number of recent patch series have reminded me of this glaring gap - bits from {Qemu-devel} {PATCH 0/6} Enable building and running tcg tests on i386 Message-Id: <20170802201512.29142-1-crosa(a)redhat.com> - and from {PATCH RFC 0/7} Proof of concept to power up "make test" with docker Message-Id: <20170908091700.14867-1-famz(a)redhat.com> - and from {PATCH v5 00/19} Cleanup of TCG tests Message-Id: <20161201051433.17168-1-bobby.prani(a)gmail.com> - and from [{RFC/POC PATCH 0/4} Building TCG tests with emdebian cross compilers] - current [branch works but needs cleaning up] [{RFC/POC PATCH 0/4} Building TCG tests with emdebian cross compilers] mu4e:query:maildir:"/linaro/virtualization/qemu"%20s:tests%20s:tcg%20s:cross [branch works but needs cleaning up] https://github.com/stsquad/qemu/tree/testing/tcg-tests-revival-v1 Other Tasks =========== - the QEMU 2.11.1 and OE-core hang-up Message-Id: <alpine.LRH.2.00.1803101241080.24419(a)sjc-ads-6991.cisco.com> bug has resulted in a patch from Victor - found weird QEMU CI OBS build issue - the OBS build should be failing the RISU tests but isn't, despite the commit id it reports Completed Reviews [10/10] ========================= - Caught up on a bunch of reviews {Qemu-arm} {PATCH v2 00/67} target/arm: Scalable Vector Extension Message-Id: <20180217182323.25885-1-richard.henderson(a)linaro.org> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-04-03 Tue 16:06] Overview pass, looking pretty good. Waiting next iteration. {Qemu-arm} {PATCH 0/9} raspi3: various fixes for Linux booting Message-Id: <20180313153458.26822-1-peter.maydell(a)linaro.org> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-04-04 Wed 11:18] Already merged {RFC PATCH v5 00/24} replay additions Message-Id: <20180123085319.3419.97865.stgit@pasha-VirtualBox> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-04-04 Wed 11:20] superseeded {PATCH v2 0/6} target-mips: support MTTCG feature Message-Id: <20180222223327.GA25701@flamenco> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-04-04 Wed 11:27] Good to see another MTTCG supported target {Qemu-arm} {PATCH v2 00/11} ARM v8.1 simd + v8.3 complex insns Message-Id: <CAFEAcA9PGHMPeATRHESeUEWaU17OpVw99p-+U9KzOPaitSgEGQ(a)mail.gmail.com> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-04-04 Wed 11:28] Already merged {PATCH} cpus: unify qemu_*_wait_io_event Message-Id: <20180111125444.6498-1-pbonzini(a)redhat.com> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-04-04 Wed 11:35] Seems sane {Qemu-devel} {PATCH 0/9} target/arm: Prepatory work for SVE Message-Id: <20171218173022.18418-1-richard.henderson(a)linaro.org> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-04-04 Wed 11:35] Already merged {PATCH 0/2} v8m: make systick banked Message-Id: <1512154296-5652-1-git-send-email-peter.maydell(a)linaro.org> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-04-04 Wed 11:35] Already merged {PATCH 0/7} armv8m: Implement TT, and other bugfixes Message-Id: <1512153879-5291-1-git-send-email-peter.maydell(a)linaro.org> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-04-04 Wed 11:36] Already merged {Qemu-arm} {PATCH v5 0/3} target/arm: Add a dynamic XML-description of the cp-registers to GDB Message-Id: <1521034084-17344-1-git-send-email-abdallah.bouassida(a)lauterbach.com> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-04-04 Wed 13:26] Nice approach, few kinks to work out. {Qemu-devel} {PATCH V5 0/4} tests: Add migration test for aarch64 Message-Id: <20180223215858.16987-1-wei(a)redhat.com> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-04-06 Fri 20:30] v7 now on list, but cross-compilation is a thing {Qemu-devel} {PATCH for-2.11 0/2} Fix TCG atomic writes to nondirty pages Message-Id: <1511184421-23535-1-git-send-email-peter.maydell(a)linaro.org> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-04-06 Fri 20:33] Already merged {Qemu-devel} {PATCH 00/10} linux-user: Speed up guest space initialization on 32-bit ARM target Message-Id: <20171228180814.9749-1-lukeshu(a)lukeshu.com> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-04-06 Fri 20:34] Merged upstream Absences ======== - VNC18 Connect (17th-21st September 2018) Current Review Queue ==================== * {PATCH v2 00/17} tcg: tb_lock_removal redux v2 Message-Id: <1522980788-1252-1-git-send-email-cota(a)braap.org> * {PATCH v3 00/15} fp-test + hardfloat Message-Id: <1522883475-27858-1-git-send-email-cota(a)braap.org> * {Qemu-devel} {PATCH V7 0/4} tests: Add migration test for aarch64 Message-Id: <20180228180215.25470-1-wei(a)redhat.com> * { PATCH v7 00/22} replay additions Message-Id: <20180227095135.1060.36549.stgit@pasha-VirtualBox> * {Qemu-devel} {PATCH 0/2} target/sh4: translator loop conversion Message-Id: <1518751105-17211-1-git-send-email-cota(a)braap.org> * {Qemu-arm} {PATCH 0/8} v8m: minor missing regs and bugfixes Message-Id: <20180205105720.14620-1-peter.maydell(a)linaro.org> * {Qemu-devel} {PATCH} log-for-trace.h: Split out parts of log.h used by trace.h Message-Id: <20180213140029.8308-1-peter.maydell(a)linaro.org> * {Qemu-devel} {PATCH v5 0/5} coroutine-lock: polymorphic CoQueue Message-Id: <20180203153935.8056-1-pbonzini(a)redhat.com> * {PATCH v3 00/13} Support building with py2 or py3 Message-Id: <20180115102621.9183-1-berrange(a)redhat.com> * {PATCH 0/7} docker: update Ubuntu and Fedora images, deprecate old ones Message-Id: <20180112125000.27256-1-f4bug(a)amsat.org> * {PATCH v14 0/9} Add ARMv8 RAS virtualization support in QEMU Message-Id: <1514440458-10515-6-git-send-email-gengdongjiu(a)huawei.com> * {Qemu-devel} {PATCH v3 00/18} Various build-sys and sanitizer related fixes Message-Id: <20180104160523.22995-1-marcandre.lureau(a)redhat.com> * {Qemu-devel} {RFC PATCH 0/5} Scoped locks using attribute((cleanup)) Message-Id: <20171208105553.12249-3-pbonzini(a)redhat.com> * {Qemu-devel} {PATCH} target/ppc: Fix system lockups caused by interrupt_request state corruption Message-Id: <1511285538-22883-1-git-send-email-richard.purdie(a)linuxfoundation.org> * {PATCH RFC 0/3} TCG: do copy propagation through memory locations Message-Id: <20171109144155.17076-1-batuzovk(a)ispras.ru> * {Qemu-devel} {RFC PATCH 00/26} replay additions Message-Id: <20171031110641.5836.43266.stgit@pasha-VirtualBox> * {RFC PATCH 0/4} Initial KVM SVE support hacks Message-Id: <1510936735-6762-1-git-send-email-Dave.Martin(a)arm.com> * {Qemu-devel} {PATCH v6 00/50} tcg tb_lock removal Message-Id: <20171016172609.23422-1-richard.henderson(a)linaro.org> * {Qemu-arm} {PATCH v2 00/13} More fully implement ARM PMUv3 Message-Id: <1506737310-21880-1-git-send-email-alindsay(a)codeaurora.org> * {Qemu-devel} {PATCH 00/22} tcg: tb_lock removal Message-Id: <1502149958-23381-1-git-send-email-cota(a)braap.org> * {PATCH V2 0/4} ARM64: Fix irq generation between breakpoint and step exception Message-Id: <20170725132737.GC28815(a)arm.com> * {Qemu-devel} {PATCH 00/43} Windbg supporting Message-Id: <150642384156.3900.3326424823772221077.stgit(a)Misha-PC.lan02.inno> * {PATCH v1 00/27} s390x: SMP for TCG (+ cleanups) Message-Id: <20170918160012.4317-1-david(a)redhat.com> * {Qemu-devel} {PATCH} arm: Fix SMC reporting to EL2 when QEMU provides PSCI Message-Id: <1d61ec4d-da94-e96a-e1f6-509a4e80daec(a)siemens.com> * {PATCH RFC 0/7} Proof of concept to power up "make test" with docker Message-Id: <20170908091700.14867-1-famz(a)redhat.com> * {Qemu-devel} {PATCH v6 00/22} instrument: Add basic event instrumentation Message-Id: <150529642278.10902.18234057937634437857.stgit(a)frigg.lan> * {PATCH v13 00/26} translate: {tcg} Generic translation framework Message-Id: <150002001195.22386.4679134058536830996.stgit(a)frigg.lan> * {PATCH for 2.10 00/35} fix bugs reported by Clang Static Analyzer Message-Id: <20170724182751.18261-1-f4bug(a)amsat.org> * {Qemu-devel} {PATCH v2 00/45} tcg: support for multiple TCG contexts Message-Id: <1500235468-15341-1-git-send-email-cota(a)braap.org> * {RFC PATCH 0/8} removal of tci (tcg interpreter) Message-Id: <20170629010300.2848-1-f4bug(a)amsat.org> * {Qemu-devel} {PATCH v8 0/7} trace: {tcg} Optimize per-vCPU tracing states Message-Id: <1496975122-16999-1-git-send-email-cota(a)braap.org> * {Qemu-devel} {PATCH 0/7} Introducing libtcg Message-Id: <20170228171921.21602-1-ale+qemu(a)clearmind.me> * {PATCH v2 0/3} Add litmus tests for MTTCG consistency tests Message-Id: <20160820162846.13501-1-bobby.prani(a)gmail.com> * {Qemu-arm} {PATCH 00/23} GICv3 emulation Message-Id: <1462814989-24360-1-git-send-email-peter.maydell(a)linaro.org> * {Qemu-devel} {RFC PATCH 0/6} decouple board headers from cpu.h Message-Id: <1450189710-18264-1-git-send-email-pbonzini(a)redhat.com> * {PATCH RFC v2 0/2} Enable cp15 timers with user space gic & kvm Message-Id: <1479133935-63848-1-git-send-email-agraf(a)suse.de> * {Qemu-devel} {PATCH 0/5} ARM BE8/BE32 big-endian system-mode fixes (semihosting, gdbstub) Message-Id: <1478194258-75276-1-git-send-email-julian(a)codesourcery.com> * {Qemu-devel} {PATCH v2 00/13} add support for Hypervisor.framework in QEMU Message-Id: <20170830082702.3011-1-Sergio.G.DelReal(a)gmail.com> * {RFC PATCH 0/7} KVM: arm/arm64: Optimize arch timer register handling Message-Id: <20161210204712.21830-1-christoffer.dall(a)linaro.org> * {PATCH RFC 0/6} target-arm: KVM64: Cross type vCPU support Message-Id: <1484558821-15512-1-git-send-email-zhaoshenglong(a)huawei.com> * {Qemu-devel} {PATCH Risu 0/2} PPC64 improvements Message-Id: <1485744457-10324-1-git-send-email-joserz(a)linux.vnet.ibm.com> * {Qemu-devel} {PATCH} linux-user: fill target sigcontext struct accordingly Message-Id: <1485900317-3256-1-git-send-email-joserz(a)linux.vnet.ibm.com> * {Qemu-devel} {PATCH 0/2} qemu-img: fix coverity nits Message-Id: <1486744104-15590-1-git-send-email-peter.maydell(a)linaro.org> * {RFC 0/3} split core mmu_idx from ARMMMUIdx values Message-Id: <1493051615-30715-1-git-send-email-peter.maydell(a)linaro.org> * {Qemu-arm} {RFC v4 0/5} ARM SMMUv3 Emulation Support Message-Id: <1494697399-352-1-git-send-email-eric.auger(a)redhat.com> * {PATCH v1 0/2} arm: Extend PAR format determination Message-Id: <1498830302-19274-1-git-send-email-edgar.iglesias(a)gmail.com> * {Qemu-devel} {PATCH v3 0/5} optimize various tcg_gen() functions using extract op Message-Id: <7d1b12cd-80dc-7fc8-935d-bec7fb08e256(a)amsat.org> -- Alex Bennée

7 years, 5 months

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[ACTIVITY] report week ending 6 Apr

by Peter Maydell

Progress: (short week, 2 days) * VIRT-65 [QEMU upstream maintainership] + email/code review/etc catchup following holiday + the usual run of admin work for the release process for rc2 + investigated a problem where in 'icount' mode we weren't firing timer interrupts in a timely manner; with assistance from Paolo, tracked down the cause and sent a patch (https://bugs.launchpad.net/qemu/+bug/1754038) + investigated a problem with v7M emulation reported by the LITE team; this turned out to be a combination of a known limitation combined with a badly worded warning message; sent QEMU patch which rewords the message so it's clearer that it's telling you that you're running into the limitation. + tracked down why aarch64 guest binaries run in icount mode on a 32-bit host misbehave; I have a working but slightly ugly patch which I'll send out next week unless somebody has a neater approach thanks -- PMM

7 years, 5 months

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[ACTIVITY] Weekly report for week 14

by Thomas Preudhomme

Note1: working for Linaro every other week Note2: had some important work to do on GCC this week so I'll do some LLVM work next week as well to catch up === Work done during this LLVM+GCC week === * LLVM PR34170 (crashes with inline asm with double output operand in GPR): upstream review + finish patch and submit for upstream review === Plan for next week (week 12) === * (maybe) follow-up patch for PR34170 to also support case with several output operands * investigate failure to build clang in shared lib mode with gcc

7 years, 5 months

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[ACTIVITY] 2-6 April 2018

by Christophe Lyon

* Monday off == Progress == * GCC - FDPIC - binutils: patch series approved, but need to check the target - GCC: cleaning patch series, fixing lto problems - QEMU: patches posted * GCC upstream validation: * Infrastructure: - Linux kernel + lava failing: still failing, it seems the fix hasn't been merged yet * misc (conf-calls, meetings, emails, ....) == Next == * Off Mon/Tue/Wed * FDPIC: - Handle feedback on binutils and QEMU patches - GCC continue cleanup * GCC upstream validation

7 years, 5 months

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[ACTIVITY] Week 13

by Yvan Roux

o 1 post-connect day off == Progress == o GNU Release transition * Supported Mark for 2018.04 RCs o LLVM * Catching-up on devpt (TCWG-1286, ...) * Benchmarking job for LLVM * Buildbots babysitting o Misc * Various meetings and discussions. * HK18 debriefing

7 years, 5 months

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[ACTIVITY] week ending 1 Apr 2018

by Richard Henderson

Progress: [VIRT-198 # QEMU: SVE Emulation Support ] Rebasing and addressing feedback from v2 posting. - Finished first pass moving sve_access_check after any checks for over decode. - Still lots of cleanup to do across the 70 patches. [Upstream] Fixed a target/hppa bug affecting glibc 2.27. Fixed a tcg optimization bug affecting high-part multiply. r~

7 years, 5 months

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[ACTIVITY] 26-30 March 2018

by Christophe Lyon

== Progress == * GCC - FDPIC - binutils: addressed initial feedback - GCC: cleaning patch series - QEMU: rebasing * GCC upstream validation: * Infrastructure: - TCWG-1335: ready to send results to gcc-testresults. - Linux kernel + lava failing: confirmed to be a kernel bug. TI has a fix. * misc (conf-calls, meetings, emails, ....) == Next == * FDPIC: - Handle feedback on binutils patches - GCC continue cleanup - QEMU rebase/cleanup * GCC upstream validation

7 years, 5 months

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[ACTIVITY] week ending Apr. 1 2018

by Alex Bennée

SVE Support ([VIRT-198]) ======================== SoftFloat Bugs ([VIRT-69]) ========================== - started coding up a [general test case for rounding/limits testing] - using the re-factored packing [pretty much works out the box] - still need to sort out ARM alternative FP16 format :todo - also need to check [float32_to_int32 NaN bug] - and fixes from Emilio's tree [VIRT-69] https://projects.linaro.org/browse/VIRT-69 [general test case for rounding/limits testing] https://github.com/stsquad/testcases/tree/master/float [pretty much works out the box] https://github.com/stsquad/qemu/tree/softfloat-float-to-float-v1 [float32_to_int32 NaN bug] https://bugs.launchpad.net/qemu/+bug/1759264 Other Tasks =========== - the QEMU 2.11.1 and OE-core hang-up Message-Id: <alpine.LRH.2.00.1803101241080.24419(a)sjc-ads-6991.cisco.com> bug has resulted in a patch from Victor - found weird QEMU CI OBS build issue - the OBS build should be failing the RISU tests but isn't, despite the commit id it reports HKG18 Connect Notes ~~~~~~~~~~~~~~~~~~~ - good to meet the new team and catch-up generally - I enjoyed the range of topics in the TCGW hacking room - spent time conspiring with rth w.r.t. __flatten__ abuse and softmmu - discussed instrumentation/analysis options for QEMU with Maxim & rth - it also looks like initial HardFPU might be already there - good feedback from Fujitsu - seem pretty happy with the SVE work - missed the obvious in the [conference puzzle] [conference puzzle] https://www.bennee.com/~alex/blog/2018/03/26/solving-the-hkg18-puzzle-with-… Completed Reviews [4/4] ======================= - Weed out old/stale entries from review queue :todo {PATCH v1 00/14} fp-test + hostfloat Message-Id: <1521663109-32262-1-git-send-email-cota(a)braap.org> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-03-27 Tue 14:45] Good first pass {PATCH v2 00/14} fp-test + hardfloat Message-Id: <1522128840-498-1-git-send-email-cota(a)braap.org> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-03-28 Wed 14:36] Looks good but I think we can still get rid of the #define stuff {Qemu-devel} {PATCH for 2.13 v2 00/20} linux-user: move arch specific parts to arch directories Message-Id: <20180323225739.17329-1-laurent(a)vivier.eu> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-03-28 Wed 15:35] Welcome series, cleans things up. {Qemu-devel} {PATCH 00/16} tcg: tb_lock removal redux v1 Message-Id: <1519709965-29833-1-git-send-email-cota(a)braap.org> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - CLOSING NOTE [2018-03-29 Thu 17:26] Looking good, only minor comments. Will get my KVM unit tests back up and running for a good soak test. Absences ======== - VNC18 Connect (17th-21st September 2018) Current Review Queue ==================== * {Qemu-arm} {PATCH v5 0/3} target/arm: Add a dynamic XML-description of the cp-registers to GDB Message-Id: <1521034084-17344-1-git-send-email-abdallah.bouassida(a)lauterbach.com> * {Qemu-arm} {PATCH 0/9} raspi3: various fixes for Linux booting Message-Id: <20180313153458.26822-1-peter.maydell(a)linaro.org> * {Qemu-arm} {PATCH v4 0/4} Add a dynamic XML-description of the cp-registers to GDB Message-Id: <1520850690-23245-1-git-send-email-abdallah.bouassida(a)lauterbach.com> * {Qemu-devel} {PATCH V7 0/4} tests: Add migration test for aarch64 Message-Id: <20180228180215.25470-1-wei(a)redhat.com> * {Qemu-arm} {PATCH v2 00/67} target/arm: Scalable Vector Extension Message-Id: <20180217182323.25885-1-richard.henderson(a)linaro.org> * {Qemu-devel} {PATCH V7 0/4} tests: Add migration test for aarch64 Message-Id: <20180228180215.25470-1-wei(a)redhat.com> * { PATCH v7 00/22} replay additions Message-Id: <20180227095135.1060.36549.stgit@pasha-VirtualBox> * {Qemu-devel} {PATCH 0/2} target/sh4: translator loop conversion Message-Id: <1518751105-17211-1-git-send-email-cota(a)braap.org> * {Qemu-arm} {PATCH 0/8} v8m: minor missing regs and bugfixes Message-Id: <20180205105720.14620-1-peter.maydell(a)linaro.org> * {Qemu-devel} {PATCH} log-for-trace.h: Split out parts of log.h used by trace.h Message-Id: <20180213140029.8308-1-peter.maydell(a)linaro.org> * {PATCH v2 0/6} target-mips: support MTTCG feature Message-Id: <20180222223327.GA25701@flamenco> * {Qemu-devel} {PATCH v5 0/5} coroutine-lock: polymorphic CoQueue Message-Id: <20180203153935.8056-1-pbonzini(a)redhat.com> * {RFC PATCH v5 00/24} replay additions Message-Id: <20180123085319.3419.97865.stgit@pasha-VirtualBox> * {Qemu-arm} {PATCH v2 00/11} ARM v8.1 simd + v8.3 complex insns Message-Id: <CAFEAcA9PGHMPeATRHESeUEWaU17OpVw99p-+U9KzOPaitSgEGQ(a)mail.gmail.com> * {PATCH v3 00/13} Support building with py2 or py3 Message-Id: <20180115102621.9183-1-berrange(a)redhat.com> * {Qemu-devel} {PATCH 0/9} target/arm: Prepatory work for SVE Message-Id: <20171218173022.18418-1-richard.henderson(a)linaro.org> * {PATCH 0/7} docker: update Ubuntu and Fedora images, deprecate old ones Message-Id: <20180112125000.27256-1-f4bug(a)amsat.org> * {PATCH v14 0/9} Add ARMv8 RAS virtualization support in QEMU Message-Id: <1514440458-10515-6-git-send-email-gengdongjiu(a)huawei.com> * {PATCH} cpus: unify qemu_*_wait_io_event Message-Id: <20180111125444.6498-1-pbonzini(a)redhat.com> * {Qemu-devel} {PATCH v3 00/18} Various build-sys and sanitizer related fixes Message-Id: <20180104160523.22995-1-marcandre.lureau(a)redhat.com> * {Qemu-devel} {PATCH 00/10} linux-user: Speed up guest space initialization on 32-bit ARM target Message-Id: <20171228180814.9749-1-lukeshu(a)lukeshu.com> * {Qemu-devel} {PATCH 0/9} target/arm: Prepatory work for SVE Message-Id: <20171218173022.18418-1-richard.henderson(a)linaro.org> * {Qemu-devel} {RFC PATCH 0/5} Scoped locks using attribute((cleanup)) Message-Id: <20171208105553.12249-3-pbonzini(a)redhat.com> * {PATCH 0/2} v8m: make systick banked Message-Id: <1512154296-5652-1-git-send-email-peter.maydell(a)linaro.org> * {PATCH 0/7} armv8m: Implement TT, and other bugfixes Message-Id: <1512153879-5291-1-git-send-email-peter.maydell(a)linaro.org> * {Qemu-devel} {PATCH v6 00/26} tcg: generic vector operations Message-Id: <20171121212534.5177-1-richard.henderson(a)linaro.org> * {Qemu-devel} {PATCH} target/ppc: Fix system lockups caused by interrupt_request state corruption Message-Id: <1511285538-22883-1-git-send-email-richard.purdie(a)linuxfoundation.org> * {Qemu-devel} {PATCH for-2.11 0/2} Fix TCG atomic writes to nondirty pages Message-Id: <1511184421-23535-1-git-send-email-peter.maydell(a)linaro.org> * {PATCH RFC 0/3} TCG: do copy propagation through memory locations Message-Id: <20171109144155.17076-1-batuzovk(a)ispras.ru> * {Qemu-devel} {RFC PATCH 00/26} replay additions Message-Id: <20171031110641.5836.43266.stgit@pasha-VirtualBox> * {RFC PATCH 0/4} Initial KVM SVE support hacks Message-Id: <1510936735-6762-1-git-send-email-Dave.Martin(a)arm.com> * {Qemu-devel} {PATCH v6 00/50} tcg tb_lock removal Message-Id: <20171016172609.23422-1-richard.henderson(a)linaro.org> * {Qemu-arm} {PATCH v2 00/13} More fully implement ARM PMUv3 Message-Id: <1506737310-21880-1-git-send-email-alindsay(a)codeaurora.org> * {Qemu-devel} {PATCH 00/22} tcg: tb_lock removal Message-Id: <1502149958-23381-1-git-send-email-cota(a)braap.org> * {PATCH V2 0/4} ARM64: Fix irq generation between breakpoint and step exception Message-Id: <20170725132737.GC28815(a)arm.com> * {Qemu-devel} {PATCH 00/43} Windbg supporting Message-Id: <150642384156.3900.3326424823772221077.stgit(a)Misha-PC.lan02.inno> * {PATCH v1 00/27} s390x: SMP for TCG (+ cleanups) Message-Id: <20170918160012.4317-1-david(a)redhat.com> * {Qemu-devel} {PATCH} arm: Fix SMC reporting to EL2 when QEMU provides PSCI Message-Id: <1d61ec4d-da94-e96a-e1f6-509a4e80daec(a)siemens.com> * {PATCH RFC 0/7} Proof of concept to power up "make test" with docker Message-Id: <20170908091700.14867-1-famz(a)redhat.com> * {Qemu-devel} {PATCH v6 00/22} instrument: Add basic event instrumentation Message-Id: <150529642278.10902.18234057937634437857.stgit(a)frigg.lan> * {PATCH v13 00/26} translate: {tcg} Generic translation framework Message-Id: <150002001195.22386.4679134058536830996.stgit(a)frigg.lan> * {PATCH for 2.10 00/35} fix bugs reported by Clang Static Analyzer Message-Id: <20170724182751.18261-1-f4bug(a)amsat.org> * {Qemu-devel} {PATCH v2 00/45} tcg: support for multiple TCG contexts Message-Id: <1500235468-15341-1-git-send-email-cota(a)braap.org> * {RFC PATCH 0/8} removal of tci (tcg interpreter) Message-Id: <20170629010300.2848-1-f4bug(a)amsat.org> * {Qemu-devel} {PATCH v8 0/7} trace: {tcg} Optimize per-vCPU tracing states Message-Id: <1496975122-16999-1-git-send-email-cota(a)braap.org> * {Qemu-devel} {PATCH 0/7} Introducing libtcg Message-Id: <20170228171921.21602-1-ale+qemu(a)clearmind.me> * {PATCH v2 0/3} Add litmus tests for MTTCG consistency tests Message-Id: <20160820162846.13501-1-bobby.prani(a)gmail.com> * {Qemu-arm} {PATCH 00/23} GICv3 emulation Message-Id: <1462814989-24360-1-git-send-email-peter.maydell(a)linaro.org> * {Qemu-devel} {RFC PATCH 0/6} decouple board headers from cpu.h Message-Id: <1450189710-18264-1-git-send-email-pbonzini(a)redhat.com> * {PATCH RFC v2 0/2} Enable cp15 timers with user space gic & kvm Message-Id: <1479133935-63848-1-git-send-email-agraf(a)suse.de> * {Qemu-devel} {PATCH 0/5} ARM BE8/BE32 big-endian system-mode fixes (semihosting, gdbstub) Message-Id: <1478194258-75276-1-git-send-email-julian(a)codesourcery.com> * {Qemu-devel} {PATCH v2 00/13} add support for Hypervisor.framework in QEMU Message-Id: <20170830082702.3011-1-Sergio.G.DelReal(a)gmail.com> * {RFC PATCH 0/7} KVM: arm/arm64: Optimize arch timer register handling Message-Id: <20161210204712.21830-1-christoffer.dall(a)linaro.org> * {PATCH RFC 0/6} target-arm: KVM64: Cross type vCPU support Message-Id: <1484558821-15512-1-git-send-email-zhaoshenglong(a)huawei.com> * {Qemu-devel} {PATCH Risu 0/2} PPC64 improvements Message-Id: <1485744457-10324-1-git-send-email-joserz(a)linux.vnet.ibm.com> * {Qemu-devel} {PATCH} linux-user: fill target sigcontext struct accordingly Message-Id: <1485900317-3256-1-git-send-email-joserz(a)linux.vnet.ibm.com> * {Qemu-devel} {PATCH 0/2} qemu-img: fix coverity nits Message-Id: <1486744104-15590-1-git-send-email-peter.maydell(a)linaro.org> * {RFC 0/3} split core mmu_idx from ARMMMUIdx values Message-Id: <1493051615-30715-1-git-send-email-peter.maydell(a)linaro.org> * {Qemu-arm} {RFC v4 0/5} ARM SMMUv3 Emulation Support Message-Id: <1494697399-352-1-git-send-email-eric.auger(a)redhat.com> * {PATCH v1 0/2} arm: Extend PAR format determination Message-Id: <1498830302-19274-1-git-send-email-edgar.iglesias(a)gmail.com> * {Qemu-devel} {PATCH v3 0/5} optimize various tcg_gen() functions using extract op Message-Id: <7d1b12cd-80dc-7fc8-935d-bec7fb08e256(a)amsat.org> * { PATCH v7 00/22} replay additions Message-Id: <20180227095135.1060.36549.stgit@pasha-VirtualBox> * {Qemu-devel} {PATCH V5 0/4} tests: Add migration test for aarch64 Message-Id: <20180223215858.16987-1-wei(a)redhat.com> -- Alex Bennée

7 years, 5 months

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[ACTIVITY] 26-29 March 2018

by Peter Smith

[LLVM] - Submitted fix for PR36542, tracked down problem to LLVM not considering the target triple of the MachineFunction when relaxing branch instructions. [TCWG-1375]. - A lot of investigation of a difference in inline assembly between GCC and LLVM, reviewed and approved upstream patch D44815. - Review of upstream changes to support Short Thunks in LLD, managed to find a problem in algorithm and provided a solution. Looks like this could be approved soon. - Review of BFD and Gold patches for my PR on missing support for R_AARCH64_TLSLE_LDST family of relocations. I now need to implement these in LLD. [TCWG] Some post connect note taking and writing up. [Plans] - Continue work on PR36542, address any review comments. - Implement support for R_AARCH64_TLSLE_LDST family in lld. - Get back to building Android with LLD. Friday 30th and Monday the 1st are public holidays in UK.

7 years, 5 months

1
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[ANNOUNCE] Linaro Binary Toolchain Release-Candidate GCC 7.3-2018.04-rc1

by Mark Murray

[ANNOUNCE] Linaro Binary Toolchain Release-Candidate GCC 7.3-2018.04-rc1 The Linaro Binary Toolchain ============================ The Linaro GCC 7.3-2018.04-rc1 Release-Candidate is now available. *Notice*: GCC 7.1 ABI change for arm*-*-* targets, and note for aarch64*-*-* targets From GCC 7.1 release notes: On ARM targets (arm*-*-*), a bug introduced in GCC 5 that affects conformance to the procedure call standard (AAPCS) has been fixed. The bug affects some C++ code where class objects are passed by value to functions and could result in incorrect or inconsistent code being generated. This is an ABI change. If the option -Wpsabi is enabled (on by default) the compiler will emit a diagnostic note for code that might be affected. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77728 GCC 5 and GCC 6 releases will continue to be affected by the ABI bug, since changing ABI in these releases is not practical. A warning enabled by -Wpsabi option was added to GCC 5 and GCC 6 toolchains to diagnose codebases that might be affected by the ABI bug. Additionally, this same bug was present in AArch64 backend in development versions of GCC 7. There was no releases of GCC with this bug present in AArch64 backend, therefore the release notes does not mention this. However, be advised that any code bases built with development versions of GCC 7 need to be recompiled with released version of GCC 7 to conform to ABI. For an explanation of GCC 7 series changes please see the following website: https://gcc.gnu.org/gcc-7/changes.html For help in porting to GCC 7 please see the following explanation: https://gcc.gnu.org/gcc-7/porting_to.html Download release-candidate packages from: (sources) http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.3-2018.04-rc1/ (binaries) http://snapshots.linaro.org/components/toolchain/binaries/7.3-2018.04-rc1/ Previous snapshots and release-candidates are at: http://snapshots.linaro.org/components/toolchain/binaries/ Previous releases are at: http://releases.linaro.org/components/toolchain/binaries/ A description of the arm and AArch64 target triples can be found at: https://collaborate.linaro.org/display/TCWGPUB/ARM+and+AArch64+Target+Tripl… Host Requirements ================== Linaro officially supports the current and previous Ubuntu LTS releases (as of the time of this release). This does not mean that the toolchain will not work on other/older Linux distributions. See the following for the life-time of Ubuntu LTS releases. https://wiki.ubuntu.com/Releases The host system upon which the cross-compiler will run requires a minimum of glibc 2.14, because of API changes to glibc's memcpy API. https://bugs.linaro.org/show_bug.cgi?id=1869 Package Versions ================= Linaro GCC 7.3-2018.04-rc1 http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.3-2018.04-rc1/ FSF glibc 2.25 (release/2.25) https://lists.gnu.org/archive/html/info-gnu/2017-02/msg00002.html Newlib 2.5 (newlib-2_5_0 tag) https://sourceware.org/ml/newlib/2016/msg01191.html GNU Binutils 2.28 (users/linaro/binutils-2_28-branch) https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=blob_plain;f=bin… FSF GDB 8.0 (gdb-8.0-branch) https://sourceware.org/ml/gdb-announce/2017/msg00003.html Linaro toolchain package git branches are hosted at: http://git.linaro.org/toolchain NEWS for GCC 7 (as of Linaro GCC 7.3-2018.04-rc1) ================================================== * The Linaro GCC 7.2-2017.09 snapshot added float and integer moves improvement for AArch64 targets. * The Linaro GCC 7.1-2017.07 snapshot added prefetching configuration improvement for AArch64 targets and laid groundwork to enabling prefetching in more cases. * Previous MinGW hosted version of Linaro GCC C preprocessor failed to convert character set used for string, character constants, etc. This is fixed in this release. Linaro bugzilla #3040 : CC1 and cc1plus cannot convert UTF-8. https://bugs.linaro.org/show_bug.cgi?id=3040 * Performance related backports from the following snapshots have been included: Linaro GCC 7.1-2017.05, Linaro GCC 7.1-2017.06, Linaro GCC 7.1-2017.07, Linaro GCC 7.2-2017.08, Linaro GCC 7.2-2017.09, and Linaro GCC 7.2-2017.10, Linaro GCC 7.2-2018.01 and Linaro GCC 7.2-2018.03. See the following Linaro GCC snapshots: http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.1-2017.05/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.1-2017.06/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.1-2017.07/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.2-2017.08/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.2-2017.09/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.2-2017.10/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.2-2018.01/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.2-2018.03/ Contact Linaro =============== File bugs at http://bugs.linaro.org For Linaro member support see http://support.linaro.org For Linaro community support email linaro-toolchain(a)lists.linaro.org IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.

7 years, 5 months

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[ANNOUNCE] Linaro Binary Toolchain Release-Candidate GCC 6.4-2018.04-rc1

by Mark Murray

The Linaro Binary Toolchain ============================ The Linaro GCC 6.4-2018.04-rc1 Release-Candidate is now available. The GCC 6 Release series has significant changes from the GCC 5 release series. For an explanation of the changes please see the following website: https://gcc.gnu.org/gcc-6/changes.html For help in porting to GCC 6 please see the following explanation: https://gcc.gnu.org/gcc-6/porting_to.html Download release-candidate packages from: (sources) http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.4-2018.04-rc1/ (binaries) http://snapshots.linaro.org/components/toolchain/binaries/6.4-2018.04-rc1/ Previous snapshots and release-candidates are at: http://snapshots.linaro.org/components/toolchain/binaries/ Previous releases are at: http://releases.linaro.org/components/toolchain/binaries/ A description of the arm and AArch64 target triples can be found at: https://collaborate.linaro.org/display/TCWGPUB/ARM+and+AArch64+Target+Tripl… Host Requirements ================== Linaro officially supports the current and previous Ubuntu LTS releases (as of the time of this release). This does not mean that the toolchain will not work on other/older Linux distributions. See the following for the life-time of Ubuntu LTS releases. https://wiki.ubuntu.com/Releases The host system upon which the cross-compiler will run requires a minimum of glibc 2.14, because of API changes to glibc's memcpy API. https://bugs.linaro.org/show_bug.cgi?id=1869 Package Versions ================= Linaro GCC 6.4-2018.04-rc1 http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.4-2018.04-rc1/ Linaro glibc 2.23 (linaro/2.23/master) https://lists.gnu.org/archive/html/info-gnu/2016-02/msg00009.html Linaro newlib 2.4-2016.03 (linaro_2.4-branch) https://sourceware.org/ml/newlib/2016/msg00370.html Linaro binutils 2.27 (users/linaro/binutils-2_27-branch) https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=blob_plain;f=bin… Linaro GDB 8.1 (gdb-8.1-branch) https://lists.gnu.org/archive/html/info-gnu/2018-01/msg00016.html Linaro toolchain package git branches are hosted at: http://git.linaro.org/toolchain NEWS for GCC 6 (as of Linaro GCC 6.4-2018.04-rc1) ================================================== * Previous MinGW hosted version of Linaro GCC C preprocessor failed to convert character set used for string, character constants, etc. This is fixed in this release. Linaro bugzilla #3040 : CC1 and cc1plus cannot convert UTF-8. https://bugs.linaro.org/show_bug.cgi?id=3040 * The Linaro GCC 6.3-2017.05 snapshot added support for -mpure-code option to ARMv7-M and ARMv8-M targets. This option ensures functions are put into sections that contain only code and no data. * The GDB version was upgraded from GDB 8.0. * Previous versions of the Linaro GCC 6 toolchain, when -static -E/—dynamic-list are passed to the linker, might create executables with dynamic sections which aren’t supported by run-time. This was exhibited in Perf Tools build system and has been fixed upstream and backported into Linaro Binutils 2.27 branch. Linaro bugzilla #2926 : Perf tools compiled statically for AArch64 with Linaro release 6.1 and later ones was not statically linked. https://bugs.linaro.org/show_bug.cgi?id=2926 * The Linaro GCC 6.3-2017.03 snapshot fixed some ILP32 issues (TLS, exception handling, …) and these have been incorporated into this release. * Previous versions of the Linaro GCC 6 toolchain were incorrectly generating floating-point code for soft-float Linux targets (arm-linux-gnueabi, and armeb-linux-gnueabi). This escaped detection until recently because the soft-float targeted toolchains were configured to use general-purpose registers for passing floating-point values (which is what you would expect for soft-float toolchains) and the intra-routine floating-code was not noticed. The issue would only show up on targets that were run on hardware that truly didn't have floating-point hardware where the kernel did not trap and emulate floating-point routines. This has been solved in Linaro GCC 6.3-2017.02-rc2 by configuring the toolchain (using --with-float=soft) to generate code without any floating-point instructions at all (-mfloat-abi=soft). https://review.linaro.org/#/c/16968/2 This change should not break compatibility between existing binaries compiled with these toolchains since the float-point parameter passing ABI is still the same. * A bug/regression in the compiler has been identified whereby the target function that is invoked when calling a "weak" function directly is the "strong" override, whereas when calling the function via a pointer the "weak" implementation is used. This would be noticed as inconsistent function invocation when invoking directly vs. invoking via function pointer. This issue only affected 32-bit arm targets. This regression has been fixed upstream and backported into Linaro GCC 6.3-2017.02-rc2. GCC PR target/78253: [5/6/7 Regression] [ARM] call weak function instead of strong when called through pointer. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78253 Linaro bugzilla #2562: ARM GCC 5.2 call weak function instead of strong when called through pointer https://bugs.linaro.org/show_bug.cgi?id=2562 * MS Windows does not support symlinks and the MS Windows archive extractor does not properly deep copy the symlink target files/directories into the symlinked directory structure when unpacking the toolchain archive. This causes problems with missing dependencies when using the Linaro mingw toolchains, as identified in the following bugs: https://bugs.linaro.org/show_bug.cgi?id=2684 https://bugs.linaro.org/show_bug.cgi?id=2192 https://bugs.linaro.org/show_bug.cgi?id=2762 This has been solved by copying files rather than using symlinks when the mingw targetted toolchain archives are created. https://review.linaro.org/#/c/16415/ * Users of Linaro's toolchain have encountered problems when building projects with Autotools (specifically libtool): https://bugs.linaro.org/show_bug.cgi?id=2764 The Linaro binary toolchain release contained files with a .la suffix as artifacts of the toolchain build process. These .la files are helper files for libtool, but unlike a gcc install tree, they are not position independent and contain full paths. Since these artifacts contain absolute paths they can actually mislead user invocation of libtool into not finding required libraries (because they reference the build tree, not the install location) and hence breaking Autotools builds. These *.la file artifacts have been removed from Linaro toolchain binaries because they are unnecessary for users. * The Linaro GCC 6.3-2017.01 snapshot added further enablement for ARMv8-M and these have been incorporated into this release. * Compiling and statically linking some SPEC2006int tests against tcmalloc have been failing due to a problem with glibc's memory allocator function overrides. This was fixed upstream: https://sourceware.org/bugzilla/show_bug.cgi?id=20432 Backported into Linaro glibc 2.23: commit 058b5a41d56b9a8860dede14d97dd443792d064b Author: Florian Weimer <fweimer(a)redhat.com> Date: Fri Aug 26 22:40:27 2016 +0200 malloc: Simplify static malloc interposition [BZ #20432] * Host binaries for x86_64 linux hosts now have symbols and debug information stripped in order to reduce the size of the toolchain binary archives. This reduces the archive size from 1.5G to 600M for aarch64-linux-gnu target with the gcc-6-branch. * The GDB version was upgraded from GDB 7.11 in the Linaro GCC 6.1-2016.08 release to GDB 7.12 in the Linaro GCC 6.2-2016.11 release. * The Linaro GCC 6.2-2016.10 snapshot added AArch32 support for ARMv8.2 and ARMv8m, as well as some AArch64 fixes for ARMv8.2, and bug fixes merged from FSF GCC 6.2. This is available in the binary toolchain as of Linaro GCC 6.2-2016.11. * Basic tuning support for the Qualcomm qdf24xx was added to the Linaro GCC 6.2-2016.10 snapshot and is available in the binary toolchain as of Linaro GCC 6.2-2016.11. * IFUNC was disabled for baremetal targets, as it was causing test-suite failures, and is presently a Linux only feature. * The gold linker was added to this binary release. * Backported malloc_lock fix into Linaro newlib 2.4. commit 2665915cfc46aa6403bb2efd473c523d3167e0cb Author: Andre Vieira (lists) <Andre.SimoesDiasVieira(a)arm.com> Date: Thu Jun 16 12:23:51 2016 +0100 Re-enable malloc_lock for newlib-nano * Backported rawmemchr patch into Linaro newlib 2.4. commit e7b1ee2ea6aa3ee1da41976407410e6202a098c5 Author: Wilco Dijkstra <Wilco.Dijkstra(a)arm.com> Date: Thu May 12 16:16:58 2016 +0000 Add rawmemchr * Backported strlen fix when using Thumb-2 and -Os -marm into Linaro newlib 2.4. commit 5c02bcc086a96b174e1b9e1445a4a1770070107a Author: Thomas Preud'homme <thomas.preudhomme(a)arm.com> Date: Wed May 11 17:18:48 2016 -0400 Fix strlen using Thumb-2 with -Os -marm * Backported fix for semihosting ARM when heapinfo not provided by debugger into Linaro newlib 2.4. commit 5c9403eaf40951f8a4f55ed65f661b485ff44be7 Author: David Hoover <spm2(a)dangerous.li> Date: Thu Apr 21 07:12:24 2016 +0200 Fixed semihosting for ARM when heapinfo not provided by debugger. * Merged latest FSF glibc release/2.23/master into Linaro glibc 2.23. * Backported __ASSUME_REQUEUE_PI check Linaro glibc 2.23 branch. commit 2d20c3bf918cd94ebd4106693adb3a5c9272baba Author: Adhemerval Zanella <adhemerval.zanella(a)linaro.org> Date: Tue May 17 10:16:39 2016 -0300 Add runtime check for __ASSUME_REQUEUE_PI (BZ# 18463) * Backported removal of __ASSUME_SET_ROBUST_LIST from Linaro glibc 2.23 branch. commit bb8f09d72756186a3d82a1f7b2adcf8bc1fbaed1 Author: Adhemerval Zanella <adhemerval.zanella(a)linaro.org> Date: Mon May 16 19:01:10 2016 -0300 Remove __ASSUME_SET_ROBUST_LIST * Backported removal of __ASSUME_FUTEX_LOCK_PI from Linaro glibc 2.23 branch. commit e48b4e7fed0de06dd7832ead48bea8ebc813a204 Author: Adhemerval Zanella <adhemerval.zanella(a)linaro.org> Date: Mon May 16 10:35:25 2016 -0300 Remove __ASSUME_FUTEX_LOCK_PI * Merged latest FSF binutils-2_27-branch into linaro_binutils-2_27-branch. * The libwinpthread DLL is now copied into the host bin directory to satisfy mingw package dependencies. * Backported GNU Linker fix. commit fbc6c6763e70cb2376e2de990c7fc54c0ee44a59 Author: Nick Clifton <nickc(a)redhat.com> Date: Tue Aug 23 09:45:11 2016 +0100 Fix seg-fault in ARM linker when trying to parse a binary file. * Backported GNU Assembler fix for PR 20364 commit 5fe7ebe5ab43750abf8f490b785d99a1e598e7fd Author: Nick Clifton <nickc(a)redhat.com> Date: Fri Aug 5 10:37:57 2016 +0100 Fix the generation of alignment frags in code sections for AArch64. https://sourceware.org/bugzilla/show_bug.cgi?id=20364 * Performance related backports from the following snapshots have been included: Linaro GCC 6.1-2016.06, Linaro GCC 6.1-2016.07, Linaro GCC 6.1-2016.08, Linaro GCC 6.2-2016.09, Linaro GCC 6.2-2016.10, Linaro GCC 6.2-2016.11, Linaro GCC 6.2-2016.12, Linaro GCC 6.3-2017.01, Linaro GCC 6.3-2017.02, Linaro GCC 6.3-2017.03, Linaro GCC 6.3-2017.04, Linaro GCC 6.3-2017.05, Linaro GCC 6.3-2017.06, Linaro GCC 6.4-2017.07, Linaro GCC 6.4-2017.08, Linaro GCC 6.4-2017.09, Linaro GCC 6.4-2017.10, Linaro GCC 6.4-2018.01 and Linaro GCC 6.4-2018.03 . See the following Linaro GCC snapshots: http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.1-2016.06/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.1-2016.07/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.1-2016.08/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.2-2016.09/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.2-2016.10/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.2-2016.11/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.2-2016.12/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.3-2017.01/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.3-2017.02/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.3-2017.03/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.3-2017.04/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.3-2017.05/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.3-2017.06/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.4-2017.07/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.4-2017.08/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.4-2017.09/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.4-2017.10/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.4-2018.01/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.4-2018.03/ Contact Linaro =============== File bugs at http://bugs.linaro.org For Linaro member support see http://support.linaro.org For Linaro community support email linaro-toolchain(a)lists.linaro.org IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.

7 years, 5 months

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[ACTIVITY] 19-23 March 2018

by Christophe Lyon

== Progress == * GCC - FDPIC - posted binutils patches * GCC upstream validation: - a few minor testsuite fixes/problems reported * Infrastructure: - TCWG-1335: merged abe and jenkins jobs patches. GCC contrib/test_summary patch committed. Next step: switch recipient to gcc-testresutls@ - tcwg-buildapp job (Linux kernel + lava) failing for a couple of days. Likely a kernel bug, TBC. * misc (conf-calls, meetings, emails, ....) == Next == * FDPIC: - Handle feedback on binutils patches - GCC continue cleanup * GCC upstream validation

7 years, 5 months

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[ACTIVITY] report week ending 23 Mar

by Peter Maydell

Progress: * VIRT-65 [QEMU upstream maintainership] + raspi3: came up with plausible fix for sd controller model that makes Linux driver work. Unfortunately it's pure guesswork since there's no public documentation for the hardware :-( + drafted a blog post describing booting Linux on the raspi3 model (for publication once we've got the sdcard fix in master) + tagged 2.12.0 rc0 (first release candidate), various other release work * VIRT-164 [improve Cortex-M emulation] + a little more progress with the stack-limit checking feature thanks -- PMM

7 years, 5 months

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armv7a-vfp-neon-oe-linux-gnueabi

by Georgi Angelov

Hello Can you recommend Cross GCC for Windows for armv7a-vfp-neon-oe-linux-gnueabi -march=armv7-a, -mfloat-abi=softfp, -mfpu=neon Qualcomm ARM Cortex A7 MDM9x07&MDM9628 The device is Quectel EC20 GSM Module Best regards Georgi Angelov

7 years, 5 months

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[virt-weekly] week ending Mar. 18 2018

by Alex Bennée

SVE Support ([VIRT-198]) ======================== SVE Reviews ~~~~~~~~~~~ - continued reviewing {Qemu-arm} {PATCH v2 00/67} target/arm: Scalable Vector Extension Message-Id: <20180217182323.25885-1-richard.henderson(a)linaro.org> SoftFloat Bugs ([VIRT-69]) ========================== - started coding up a [general test case for rounding/limits testing] - using the re-factored packing [pretty much works out the box] - still need to sort out ARM alternative FP16 format :todo [VIRT-69] https://projects.linaro.org/browse/VIRT-69 [general test case for rounding/limits testing] https://github.com/stsquad/testcases/tree/master/float [pretty much works out the box] https://github.com/stsquad/qemu/tree/softfloat-float-to-float-v1 Upstream Work ([VIRT-109]) ========================== - posted {PATCH v1 0/4} Travis Build Speed-ups Message-Id: <20180313153210.28264-1-alex.bennee(a)linaro.org> - investigating weird lock-up on hackbox with -smp 12 and heavy load (can kill host!) - might be dodgy hardware (hackbox) - catch-up on review queue :todo [VIRT-109] https://projects.linaro.org/browse/VIRT-109 Other Tasks =========== - finished prepping HKG18 presentation - so far no joy recreating QEMU 2.11.1 and OE-core hang-up Message-Id: <alpine.LRH.2.00.1803101241080.24419(a)sjc-ads-6991.cisco.com> - helped Milosz try to solve some LAVA LTP failures Completed Reviews [0/0] ======================= - Weed out old/stale entries from review queue :todo Absences ======== - HKG18 Connect (19th-23rd March 2018) - VNC18 Connect (17th-21st September 2018) Current Review Queue ==================== * {Qemu-arm} {PATCH v5 0/3} target/arm: Add a dynamic XML-description of the cp-registers to GDB Message-Id: <1521034084-17344-1-git-send-email-abdallah.bouassida(a)lauterbach.com> * {Qemu-arm} {PATCH 0/9} raspi3: various fixes for Linux booting Message-Id: <20180313153458.26822-1-peter.maydell(a)linaro.org> * {Qemu-arm} {PATCH v4 0/4} Add a dynamic XML-description of the cp-registers to GDB Message-Id: <1520850690-23245-1-git-send-email-abdallah.bouassida(a)lauterbach.com> * {Qemu-devel} {PATCH V7 0/4} tests: Add migration test for aarch64 Message-Id: <20180228180215.25470-1-wei(a)redhat.com> * {Qemu-arm} {PATCH v2 00/67} target/arm: Scalable Vector Extension Message-Id: <20180217182323.25885-1-richard.henderson(a)linaro.org> * {Qemu-devel} {PATCH V7 0/4} tests: Add migration test for aarch64 Message-Id: <20180228180215.25470-1-wei(a)redhat.com> * { PATCH v7 00/22} replay additions Message-Id: <20180227095135.1060.36549.stgit@pasha-VirtualBox> * {Qemu-devel} {PATCH 0/2} target/sh4: translator loop conversion Message-Id: <1518751105-17211-1-git-send-email-cota(a)braap.org> * {Qemu-arm} {PATCH 0/8} v8m: minor missing regs and bugfixes Message-Id: <20180205105720.14620-1-peter.maydell(a)linaro.org> * {Qemu-devel} {PATCH} log-for-trace.h: Split out parts of log.h used by trace.h Message-Id: <20180213140029.8308-1-peter.maydell(a)linaro.org> * {PATCH v2 0/6} target-mips: support MTTCG feature Message-Id: <20180222223327.GA25701@flamenco> * {Qemu-devel} {PATCH v5 0/5} coroutine-lock: polymorphic CoQueue Message-Id: <20180203153935.8056-1-pbonzini(a)redhat.com> * {RFC PATCH v5 00/24} replay additions Message-Id: <20180123085319.3419.97865.stgit@pasha-VirtualBox> * {Qemu-arm} {PATCH v2 00/11} ARM v8.1 simd + v8.3 complex insns Message-Id: <CAFEAcA9PGHMPeATRHESeUEWaU17OpVw99p-+U9KzOPaitSgEGQ(a)mail.gmail.com> * {PATCH v3 00/13} Support building with py2 or py3 Message-Id: <20180115102621.9183-1-berrange(a)redhat.com> * {Qemu-devel} {PATCH 0/9} target/arm: Prepatory work for SVE Message-Id: <20171218173022.18418-1-richard.henderson(a)linaro.org> * {PATCH 0/7} docker: update Ubuntu and Fedora images, deprecate old ones Message-Id: <20180112125000.27256-1-f4bug(a)amsat.org> * {PATCH v14 0/9} Add ARMv8 RAS virtualization support in QEMU Message-Id: <1514440458-10515-6-git-send-email-gengdongjiu(a)huawei.com> * {PATCH} cpus: unify qemu_*_wait_io_event Message-Id: <20180111125444.6498-1-pbonzini(a)redhat.com> * {Qemu-devel} {PATCH v3 00/18} Various build-sys and sanitizer related fixes Message-Id: <20180104160523.22995-1-marcandre.lureau(a)redhat.com> * {Qemu-devel} {PATCH 00/10} linux-user: Speed up guest space initialization on 32-bit ARM target Message-Id: <20171228180814.9749-1-lukeshu(a)lukeshu.com> * {Qemu-devel} {PATCH 0/9} target/arm: Prepatory work for SVE Message-Id: <20171218173022.18418-1-richard.henderson(a)linaro.org> * {Qemu-devel} {RFC PATCH 0/5} Scoped locks using attribute((cleanup)) Message-Id: <20171208105553.12249-3-pbonzini(a)redhat.com> * {PATCH 0/2} v8m: make systick banked Message-Id: <1512154296-5652-1-git-send-email-peter.maydell(a)linaro.org> * {PATCH 0/7} armv8m: Implement TT, and other bugfixes Message-Id: <1512153879-5291-1-git-send-email-peter.maydell(a)linaro.org> * {Qemu-devel} {PATCH v6 00/26} tcg: generic vector operations Message-Id: <20171121212534.5177-1-richard.henderson(a)linaro.org> * {Qemu-devel} {PATCH} target/ppc: Fix system lockups caused by interrupt_request state corruption Message-Id: <1511285538-22883-1-git-send-email-richard.purdie(a)linuxfoundation.org> * {Qemu-devel} {PATCH for-2.11 0/2} Fix TCG atomic writes to nondirty pages Message-Id: <1511184421-23535-1-git-send-email-peter.maydell(a)linaro.org> * {PATCH RFC 0/3} TCG: do copy propagation through memory locations Message-Id: <20171109144155.17076-1-batuzovk(a)ispras.ru> * {Qemu-devel} {RFC PATCH 00/26} replay additions Message-Id: <20171031110641.5836.43266.stgit@pasha-VirtualBox> * {RFC PATCH 0/4} Initial KVM SVE support hacks Message-Id: <1510936735-6762-1-git-send-email-Dave.Martin(a)arm.com> * {Qemu-devel} {PATCH v6 00/50} tcg tb_lock removal Message-Id: <20171016172609.23422-1-richard.henderson(a)linaro.org> * {Qemu-arm} {PATCH v2 00/13} More fully implement ARM PMUv3 Message-Id: <1506737310-21880-1-git-send-email-alindsay(a)codeaurora.org> * {Qemu-devel} {PATCH 00/22} tcg: tb_lock removal Message-Id: <1502149958-23381-1-git-send-email-cota(a)braap.org> * {PATCH V2 0/4} ARM64: Fix irq generation between breakpoint and step exception Message-Id: <20170725132737.GC28815(a)arm.com> * {Qemu-devel} {PATCH 00/43} Windbg supporting Message-Id: <150642384156.3900.3326424823772221077.stgit(a)Misha-PC.lan02.inno> * {PATCH v1 00/27} s390x: SMP for TCG (+ cleanups) Message-Id: <20170918160012.4317-1-david(a)redhat.com> * {Qemu-devel} {PATCH} arm: Fix SMC reporting to EL2 when QEMU provides PSCI Message-Id: <1d61ec4d-da94-e96a-e1f6-509a4e80daec(a)siemens.com> * {PATCH RFC 0/7} Proof of concept to power up "make test" with docker Message-Id: <20170908091700.14867-1-famz(a)redhat.com> * {Qemu-devel} {PATCH v6 00/22} instrument: Add basic event instrumentation Message-Id: <150529642278.10902.18234057937634437857.stgit(a)frigg.lan> * {PATCH v13 00/26} translate: {tcg} Generic translation framework Message-Id: <150002001195.22386.4679134058536830996.stgit(a)frigg.lan> * {PATCH for 2.10 00/35} fix bugs reported by Clang Static Analyzer Message-Id: <20170724182751.18261-1-f4bug(a)amsat.org> * {Qemu-devel} {PATCH v2 00/45} tcg: support for multiple TCG contexts Message-Id: <1500235468-15341-1-git-send-email-cota(a)braap.org> * {RFC PATCH 0/8} removal of tci (tcg interpreter) Message-Id: <20170629010300.2848-1-f4bug(a)amsat.org> * {Qemu-devel} {PATCH v8 0/7} trace: {tcg} Optimize per-vCPU tracing states Message-Id: <1496975122-16999-1-git-send-email-cota(a)braap.org> * {Qemu-devel} {PATCH 0/7} Introducing libtcg Message-Id: <20170228171921.21602-1-ale+qemu(a)clearmind.me> * {PATCH v2 0/3} Add litmus tests for MTTCG consistency tests Message-Id: <20160820162846.13501-1-bobby.prani(a)gmail.com> * {Qemu-arm} {PATCH 00/23} GICv3 emulation Message-Id: <1462814989-24360-1-git-send-email-peter.maydell(a)linaro.org> * {Qemu-devel} {RFC PATCH 0/6} decouple board headers from cpu.h Message-Id: <1450189710-18264-1-git-send-email-pbonzini(a)redhat.com> * {PATCH RFC v2 0/2} Enable cp15 timers with user space gic & kvm Message-Id: <1479133935-63848-1-git-send-email-agraf(a)suse.de> * {Qemu-devel} {PATCH 0/5} ARM BE8/BE32 big-endian system-mode fixes (semihosting, gdbstub) Message-Id: <1478194258-75276-1-git-send-email-julian(a)codesourcery.com> * {Qemu-devel} {PATCH v2 00/13} add support for Hypervisor.framework in QEMU Message-Id: <20170830082702.3011-1-Sergio.G.DelReal(a)gmail.com> * {RFC PATCH 0/7} KVM: arm/arm64: Optimize arch timer register handling Message-Id: <20161210204712.21830-1-christoffer.dall(a)linaro.org> * {PATCH RFC 0/6} target-arm: KVM64: Cross type vCPU support Message-Id: <1484558821-15512-1-git-send-email-zhaoshenglong(a)huawei.com> * {Qemu-devel} {PATCH Risu 0/2} PPC64 improvements Message-Id: <1485744457-10324-1-git-send-email-joserz(a)linux.vnet.ibm.com> * {Qemu-devel} {PATCH} linux-user: fill target sigcontext struct accordingly Message-Id: <1485900317-3256-1-git-send-email-joserz(a)linux.vnet.ibm.com> * {Qemu-devel} {PATCH 0/2} qemu-img: fix coverity nits Message-Id: <1486744104-15590-1-git-send-email-peter.maydell(a)linaro.org> * {RFC 0/3} split core mmu_idx from ARMMMUIdx values Message-Id: <1493051615-30715-1-git-send-email-peter.maydell(a)linaro.org> * {Qemu-arm} {RFC v4 0/5} ARM SMMUv3 Emulation Support Message-Id: <1494697399-352-1-git-send-email-eric.auger(a)redhat.com> * {PATCH v1 0/2} arm: Extend PAR format determination Message-Id: <1498830302-19274-1-git-send-email-edgar.iglesias(a)gmail.com> * {Qemu-devel} {PATCH v3 0/5} optimize various tcg_gen() functions using extract op Message-Id: <7d1b12cd-80dc-7fc8-935d-bec7fb08e256(a)amsat.org> * { PATCH v7 00/22} replay additions Message-Id: <20180227095135.1060.36549.stgit@pasha-VirtualBox> * {Qemu-devel} {PATCH V5 0/4} tests: Add migration test for aarch64 Message-Id: <20180223215858.16987-1-wei(a)redhat.com> -- Alex Bennée

7 years, 6 months

1
0
0 0

[ACTIVITY] report week ending 16 Mar

by Peter Maydell

Progress: * VIRT-65 [QEMU upstream maintainership] + raspi3 board: tested with a Debian kernel, and fixed and sent patches for various issues that were causing it to panic. Unfortunately there's a more tricky issue with the sd controller still that means it doesn't boot yet... + bug investigation week: - LP:1748434: wrong logic for ICC_PMR and ICC_RPR accesses by NS code when the GICv3 emulation has security extensions enabled. Sent patch. - LP:1751674: segfault doing a VM memory dump on vexpress-a9. This is a combination of user error and a longstanding bug where the GICv2 crashes if you try to read its banked-per-CPU registers from a context that isn't a guest CPU (like the monitor or the gdbstub) - LP:1755479: confirmed that crash when using -icount is one that has been fixed by a patch from Pavel that was lurking in a record/replay series + handling all the merge requests for softfreeze * VIRT-164 [improve Cortex-M emulation] + started to look at implementing the stack-limit checking feature thanks -- PMM

7 years, 6 months

1
0
0 0

[ACTIVITY] 12-16 March 2018

by Christophe Lyon

== Progress == * GCC - FDPIC - reworking/cleaning binutils patches * GCC upstream validation: * Infrastructure: - TCWG-1335: updated builder dockerfiles with postfix config updated Jenkins test-job, ready to merge to main job. contrib/test_summary patch pending review. * misc (conf-calls, meetings, emails, ....) == Next == * GCC/FDPIC * GCC upstream validation

7 years, 6 months

1
0
0 0

[ACTIVITY] Weekly report for week 10

by Thomas Preudhomme

Note: working for Linaro every other week === Work done during this LLVM week === * finish slides for bswap/store merging passes presentation in hacker room at Connect HK2018 * Continue working on fix for PR34170 / TCWG1137 (cannot select truncate in ARMv7 backend): -> better understanding of generation of ISD node for inline asm, finally seeing a way forward === Plan for next Linaro week (week 12) === * Linaro connect If time permits: * finish fix for PR34170 / TCWG1137 (cannot select truncate in ARMv7 backend) * investigate failure to build clang in shared lib mode with gcc

7 years, 6 months

1
0
0 0

[ACTIVITY] 5 - 9 March 2018

by Prathamesh Kulkarni

== This Week == * Code hoisting/TCWG-1234 (4/10) - Continuing with cost model approach * Connect slides (4/10) * Misc (2/10) - Meetings - Experimenting with ipa-dse == Next Week == - Continue ongoing tasks

7 years, 6 months

1
0
0 0

[ACTIVITY] Week 10

by Yvan Roux

== Progress == o LLVM * Benchmarking job * Buildbots babysitting o Misc * Various meetings and discussions. * Preparing Connect

7 years, 6 months

1
0
0 0

[ACTIVITY] 5-9 March 2018

by Christophe Lyon

== Progress == * GCC - FDPIC - reworking/cleaning binutils patches * GCC upstream validation: * Infrastructure: - TCWG-1335: updated builder dockerfiles with postfix config, pending review ABE patch merged. contrib/test_summary patch pending review. - Enabling use of Linaro binary release on old distro: not worth the effort needed to do this cleanly - bug #3344: fixed gdbserver build in Linaro releases * misc (conf-calls, meetings, emails, ....) == Next == * GCC/FDPIC * GCC upstream validation

7 years, 6 months

1
0
0 0

libpython2.7.so missing

by Pukitis, Martins

Hi. gdb doesn't run due to there is no libpython2.7.so on the system. $ ./gdb/gdb --version ./gdb/gdb: error while loading shared libraries: libpython2.7.so: cannot open shared object file: No such file or directory There is only static python library available. Is there a way to build gdb with static python library? Regards, Martins

7 years, 6 months

2
1
0 0

[ACTIVITY] Week 09

by Yvan Roux

== Progress == o LLVM * Benchmarking job * Buildbots babysitting o Misc * Various meetings and discussions. * Preparing Connect

7 years, 6 months

1
0
0 0

[ACTIVITY] 26 February-2 March 2018

by Christophe Lyon

== Progress == * GCC - FDPIC - reworking/cleaning binutils patches * GCC upstream validation: * Infrastructure: - TCWG-1335: updated builder dockerfiles with postfix config. ABE patch under review to send test results. Sent a patch for contrib/test_summary script. - Enabling use of Linaro binary release on old distro: unsuccessful experiment with LD_PRELOAD so far. * misc (conf-calls, meetings, emails, ....) == Next == * GCC/FDPIC * GCC upstream validation

7 years, 6 months

1
0
0 0

[ACTIVITY] 26 Feb - 02 March

by Yao Qi

* Off on Friday afternoon. # Progress # * Fix non-gdbserver issue and GDB buildbot issue. Intel people committed a patch breaks every non-x86 gdbserver. Test with GDBserver is slowed down from 20~40 minutes to 6~12 hours. The fix is pushed in, requested upstream GDB buildbot maintainer to get rid of pending builds until the fix. # Plan # * Review Alan H.'s patches. -- Yao Qi

7 years, 6 months

1
0
0 0

[ACTIVITY] 19 - 23 Feb 2018

by Prathamesh Kulkarni

== This Week == * Coremark regression (TCWG-1234) (6/10) - Working on defining a cost model for hoisting. * Public Holiday (2/10) * Misc (2/10) - Meetings - Slides == Next Week == - Continue ongoing tasks.

7 years, 6 months

1
0
0 0

[ACTIVITY] Week 08

by Yvan Roux

== Progress == o LLVM * Benchmarking job * Buildbots babysitting * Python scripts reviews o Misc * Various meetings and discussions. * Preparing Connect presentations

7 years, 6 months

1
0
0 0

[ACTIVITY] Weekly report for week 8

by Thomas Preudhomme

Note: working for Linaro every other week * start looking at fix for PR34170 / TCWG1137 (cannot select truncate in ARMv7 backend): + inline asm with >=64bit floating-point output is not handled + wrote a tentative patch which crashes later in the code, need to investigate * Start slides for technical talk in TCWG room @ Linaro connect: + bswap done, started to refamiliarize myself with store merging pass and its latest improvement * Merge the two patches for TCWG-1308 (missing pseudo expansion + crash in instruction selection of vector load/store with register writeback) === Plan for next Linaro week (week 10) === * finish fix for PR34170 / TCWG1137 (cannot select truncate in ARMv7 backend) * finish slides for bswap/store merging passes presentation in hacker room at Connect HK2018

7 years, 6 months

1
0
0 0

[ACTIVITY] 19 - 23 Feb

by Yao Qi

* Off on Monday [1/5] # Progress # * GDB is confused by the line table generated by GCC with -gcolumn-info PR 22531. [2/5] Preparatory patches v2 are posted. * Merge my patches on removing MAX_REGISTER_SIZE. Done. [2/5] # Plan # * PR 22531, * Upstream patches review. -- Yao Qi

7 years, 6 months

1
0
0 0

[ACTIVITY] 19-23 February 2018

by Christophe Lyon

== Progress == * GCC - FDPIC - reworking/cleaning binutils patches * GCC upstream validation: - no regression to report this week :-) * Infrastructure: - tcwg-buildapp + lava now triggered daily, to check lava/lab reliability. - updated builder dockerfiles with postfix config. Patch under review - some progress on enabling use of Linaro binary release on old distro. My proposal was rejected, but the discussion moved forward. - fixed toolchain build not to ship 'runtest' anymore, and moved gdbserver from bin/ to sysroot dir * misc (conf-calls, meetings, emails, ....) == Next == * GCC/FDPIC * GCC upstream validation

7 years, 6 months

1
0
0 0

[ACTIVITY] 12 - 16 Feb

by Yao Qi

# Progress # * GDB is confused by the line table generated by GCC with -gcolumn-info PR 22531. [2/5] Tested one patch again, committed. Keep going on the rest of them. * Fix one GDB issue with OpenOCD, which is a long standing issue. [2/5] Commit patch to both GDB master and 8.1 branch. Done. * Misc, patches review, meeting. [1/5] # Plan # * One day off on Monday, * PR 22531, * Resume my pending patches on removing MAX_REGISTER_SIZE. -- Yao Qi

7 years, 6 months

1
0
0 0

[ACTIVITY] 12-16 February 2018

by Christophe Lyon

== Progress == * GCC - FDPIC - rebased GCC and GDB patches on top of recent master branches. - adjusted some of the GDB (gdbserver) patches to cope with gcc-8 complaints. - adjusted CI testsuite to cope with gcc-8 * GCC upstream validation: - no regression to report this week :-) - still checking go/libgo random results on some tests * Infrastructure: - improved tcwg-buildapp (Using Lava, thanks to Remi). Now retries lava job several times if needed. - managed to configure postfix to send emails from our build containers (thanks Ben). Once this is properly configured/deployed, we'll finally be able to send GCC validation results to the appropriate list - resurrected my old work to force use of the old memcpy version such that our binary toolchains work on older distros (such as RHEL6...) * misc (conf-calls, meetings, emails, ....) == Next == * GCC/FDPIC * GCC upstream validation

7 years, 6 months

1
0
0 0

[ACTIVITY] 5 - 9 February 2018

by Prathamesh Kulkarni

== This Week == * Code hoisting (TCWG-1234) (6/10) - Working on approach to add basic block info to ANTIC sets * GCC bugs (3/10) - Extend sincos to handle sin 2x (PR83661): Patch completed. * Misc (1/10) - Meetings

7 years, 7 months

1
0
0 0

[ACTIVITY] 05 - 09 Feb

by Yao Qi

# Progress # * GDB is confused by the line table generated by GCC with -gcolumn-info PR 22531. [2/5] Override operator new/delete, patch is OK'ed but Tom still believes classes must be is_trivially_destructible. * Resume my pending patches on removing MAX_REGISTER_SIZE. [2/5] Patches v2 are updated and posted. * Fix one GDB issue with OpenOCD, which is a long standing issue. [1/5] Patch is tested, but not committed yet. # Plan # * PR 22531, * Resume my pending patches on removing MAX_REGISTER_SIZE. * More patches review, -- Yao Qi

7 years, 7 months

1
0
0 0

[ACTIVITY] 5-9 February 2018

by Christophe Lyon

== Progress == * GCC - FDPIC - updated binutils ref results in CI. There are a couple of new failures to investigate - started GCC upgrade: rebased the FDPIC GCC pile of patches on top of trunk. - debugging ICE while building libgcc * GCC upstream validation: - helped reproduce a bugzilla on armeb - reported random go/libgo test failures. Intel confirmed they also see similar random results. * Infrastructure: - improved tcwg-buildapp script/job to actually boot arm/arm64 boards after building a kernel with a given toolchain. (Using Lava, thanks to Remi) * misc (conf-calls, meetings, emails, ....) == Next == * GCC/FDPIC * GCC upstream validation

7 years, 7 months

1
0
0 0

[ACTIVITY] 29 January - 2 February 2018

by Prathamesh Kulkarni

== This Week == * Code hoisting (TCWG-1234) (6/10) - Working on patch with feedback from Thomas. * GCC bugs (3/10) - Extend sincos to handle sin 2x (PR83661): WIP patch * Misc (1/10) - Meetings == Next Week == - TCWG-1234 - GCC bugs

7 years, 7 months

1
0
0 0

[ACTIVITY] Week 05

by Yvan Roux

== Progress == o LLVM * "unpredictable" handling: - Bugzilla 33011: Fix committed - Working on unpredictable cases when using PC as operand. * Buildbots failures: - Analyzed regressions, due to D42574 - Tested and reviewed proposed tix * 6.0.0 release test failure: - Investigate Bug 35996 (asan_rt_conflict_test segfaults) - Issue due to hardcoded filename;s lenght is too short - Validating a fix * Got commit after approval access granted o Misc * Various meetings and discussions.

7 years, 7 months

1
0
0 0

[ACTIVITY] 29/01 -- 02/02

by Yao Qi

# Progress # * gfortran 7.2 vs 8.0 debug information difference. [2/5] Open GCC bug to get more attention, PR debug/84131. It is a GCC 8 regression. Jakub fixed it two hours after I opened the bug. Now, there is no gdb.fortran test fails with truk gcc. * GDB is confused by the line table generated by GCC with -gcolumn-info PR 22531. [2/5] Patches are done, to be posted for review. Investigate how to override new/delete operator in C++. * Resume my pending patches on removing MAX_REGISTER_SIZE. [1/5] Update patch series v2 per reviewers' comments. # Plan # * GDB 8.1 is released! Bump up GDB version in Linaro toolchain. * PR 22531, * Resume my pending patches on removing MAX_REGISTER_SIZE. -- Yao Qi

7 years, 7 months

1
0
0 0

[ACTIVITY] 29 January-2 February 2018

by Christophe Lyon

== Progress == * GCC - FDPIC - debugged CI loop - analyzing new failures * GCC upstream validation: - reported a few regressions - contributed to jenkins jobs * Infrastructure: - looking at configuring email relay in our builders to send validation results * misc (conf-calls, meetings, emails, ....) == Next == * GCC/FDPIC * GCC upstream validation

7 years, 7 months

1
0
0 0

[ACTIVITY] 22 - 26 Jan 2018

by Prathamesh Kulkarni

== This Week == * GCC bugs (5/10) a) Extend malloc_candidate_p to handle multiple phi's (TCWG-1331): Fixed testsuite regressions b) Extend sincos to handle sin 2x (PR83661): Started working on patch. * TCWG-1234 (2/10) - A one liner patch that pessimizes hoisting by requiring an expression to be in AVAIL blocks of all immediate successors works for improving the regression. - Working to make the patch more general to avoid pessimizing hoisting. * Public holiday (2/10) * Misc (1/10) - Meetings

7 years, 7 months

1
0
0 0

[ACTIVITY] Week 04

by Yvan Roux

== Progress == o Linaro GCC/Validation * 2018.01 snapshots deployed * 2018.02 release candidates will be done when CVE mitigation will be contributed upstream. o LLVM * "unpredictable" handling (Bugzilla 33011, ...): on-going * Investigated OOM issue further... without much success. * Python scripts reviews o Misc * Various meetings and discussions. * Preparing Connect presentations

7 years, 7 months

1
0
0 0

[ACTIVITY] Weekly report for week 4

by Thomas Preudhomme

Note: working for Linaro every other week == Progress == * PR35157 / TCWG-1308 (crash in ARM backend for VST1d64TPseudoWB_fixed instruction): + after 2 attempts got now a clean patch with no testsuite regression + need to add testcase and it will be good to go upstream * Track down why xdg-open launches libreoffice for .dot files and opened Launchpad LP#1744953. * Misc meetings == Plan == * submit fix for PR35157 (crash in ARM backend for VST1d64TPseudoWB_fixed instruction) * fix for PR34170 / TCWG1137 (cannot select truncate in ARMv7 backend) * start preparing slide for bswap/store merging passes presentation in hacker room at Connect HK2018

7 years, 7 months

1
0
0 0

[ACTIVITY] 22 - 26 Jan

by Yao Qi

# Progress # * GDB is confused by the line table generated by GCC with -gcolumn-info PR 22531. [2/5] My preparatory patches are reviewed, mostly on C++, get encouraged to use more fancy C++ features. * gfortran 7.2 vs 8.0 debug information difference. [2/5] Many gdb.fortran test fails with gfortran 8 but gfotran 7.2 is OK. I 'git bisect' gcc and find the commit causing the debug info change, it is like a bug to me, but my compiler/fortran knowledge is too few to claim it is a 7.2 -> 8.0 regression. Posted my analysis to gcc@ and fortran@ mail list. * TCWG-1040, SVE patches review. [1/5] Review Alan's patches. # Plan # * PR 22531, upstream preparatory patches, * Write patch series v2 for TCWG-1292. -- Yao Qi

7 years, 7 months

1
0
0 0

Linaro aarch64-none-elf builds on Cygwin

by Tim Ozimek

Hello, I'm attempting an aarch64-none-elf build on Cygwin. Has this been done? Any obvious things that will prevent such an attempt? Thanks, Tim

7 years, 7 months

1
0
0 0

[ACTIVITY] 22-26 January 2018

by Christophe Lyon

== Progress == * GCC - FDPIC - debugging CI loop * GCC upstream validation: - reported a few regressions - contributed to jenkins jobs * Infrastructure: - looking at how to use lava to boot boards in gcc validation (with Remi) * misc (conf-calls, meetings, emails, ....) == Next == * GCC/FDPIC * GCC upstream validation

7 years, 7 months

1
0
0 0

arm-eabi-g++: -isystem option handle header as c linkage

by Kaul, Martin

Hi, given the following code: -- isystem_test.cpp ------------- #include < isystem_test.h> bool dummy_function( void ) { return false; } ----------------------------------------- -- isystem_test.h ------------------ template <class _CS_cT> class allocator { }; ----------------------------------------- and g++ version: arm-eabi-g++.exe (Linaro GCC 7.2-2017.11) 1. compiling with "arm-eabi-g++ -I . -g -c isystem_test.cpp" --> OK 2. compiling with " arm-eabi-g++ -isystem . -g -c isystem_test.cpp " --> output error: In file included from isystem_test.cpp:3:0: ./isystem_test.h:3:1: error: template with C linkage template <class _CS_cT> ^~~~~~~~ It seams that the option -isystem changes the include of isystems_test.h into a C include, i.e. the header content seems to be handled as C-Code Same error behavior with arm-eabi Linaro GCC 6.4-2017.11, Linaro GCC 6.3-2017.05 ----------------- Testing the same with the mingw msys g++ compiler outputs no error: g++.exe (Rev2, Built by MSYS2 project) 7.2.0 Copyright (C) 2017 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. --------------- Also no errors for: arm-linux-gnueabihf-g++.exe (Linaro GCC 6.3-2017.05) --------------- Is there a special behavior for arm-eabi g++ compiler? Best regards Martin Kaul

7 years, 7 months

2
1
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[ANNOUNCE] Linaro GCC 6 and 7 2018.01 source snapshots

by Mark Murray

The Linaro Toolchain Working Group (TCWG) is pleased to announce the 2018.01 snapshot of Linaro GCC 6 and 7 source packages. o The GCC 7 series introduced an ABI change for ARM targets by fixing a bug (present since GCC 5, see link below) that affects conformance to the procedure call standard (AAPCS). The bug affects some C++ code where class objects are passed by value to functions and could result in incorrect or inconsistent code being generated. If the option -Wpsabi is enabled (on by default) the compiler will emit a diagnostic note for code that might be affected by this ABI change. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77728 For an explanation of the changes please see the following website: https://gcc.gnu.org/gcc-7/changes.html o Linaro GCC 7 monthly snapshot[1] is based on FSF GCC 7.2+svn254792 and includes performance improvements and bug fixes backported from mainline GCC. The contents of this snapshot will be part of the 2018.02 stable[2] quarterly release. This snapshot tarball is available on: http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.2-2018.01/ Interesting changes in this GCC source package snapshot include: * Updates to GCC 7.2+svn256695 o Linaro GCC 6 monthly snapshot[1] is based on FSF GCC 6.4+svn254791 and includes performance improvements and bug fixes backported from mainline GCC. This snapshot contents will be part of the next maintenance release. This snapshot tarball is available on: http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.4-2018.01/ Interesting changes in this GCC source package snapshot include: * Updates to GCC 6.4+svn256699 o Subscribe to the important Linaro mailing lists and join our IRC channels to stay on top of Linaro development. ** Linaro Toolchain Development "mailing list": http://lists.linaro.org/mailman/listinfo/linaro-toolchain ** Linaro Toolchain IRC channel on irc.freenode.net at @#linaro-tcwg@ * Bug reports should be filed in Bugzilla against GCC product: http://bugs.linaro.org/enter_bug.cgi?product=GCC * Interested in commercial support? inquire at "Linaro support": mailto:support@linaro.org [1]. Source package snapshots are defined when the compiler is only put through unit-testing and full validation is not performed. [2]. Stable source package releases are defined as releases where the full Linaro Toolchain validation plan is executed. IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.

7 years, 7 months

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[ACTIVITY] 15 - 19 January 2018

by Prathamesh Kulkarni

== This Week == * GCC bugs (4/10) a) Extend malloc_candidate_p to handle multiple phi's (TCWG-1331) - Created patch b) CSE erf/erfc pair (PR83750) - Created patch * TCWG-1234 (5/10) - WIP patch on second approach * Misc (1/10) - Meetings == Next Week == - GCC bugs - TCWG-1234

7 years, 7 months

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[ACTIVITY] 8 - 12 January 2018

by Prathamesh Kulkarni

== This Week == * GCC bugs (4/10) a) TCWG-1331 - Created patch b) PR83750 - Created patch * TCWG-1234 (5/10) - WIP patch on second approach * Misc (1/10) - Meetings == Next Week == - GCC bugs - TCWG-1234

7 years, 7 months

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[ACTIVITY] Week 03

by Yvan Roux

== Progress == o LLVM * Bugzilla 33011 (MVN instruction "Upredictable" bit patterns incorrect): - Working on upstream comments * Working on more unpredictable handling in Tablegen * Fixing an issue with registers class in peephole optimization (exhibited by unpredictable patches). * Buildbots babysitting: investigated OOM issue, offending patch reverted. o Misc * Various meetings and discussions.

7 years, 7 months

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[ACTIVITY] 15 - 19 Jan

by Yao Qi

# Progress # * GDB is confused by the line table generated by GCC with -gcolumn-info PR 22531. [2/5] Chat with other two people who are changing the same file, and they are OK to get my changes first. Commit one obvious patch, and testing one patch series for refactor. * TCWG-181, GDB compile feature. [2/5] Many new test failures in gdb.compile, because it is not supported on arm and aarch64, but we have no way to disable them. Commit two fixes to get test better, but still many fails on arm-linux. I think I still need a patch to disable the test form arm-linux. * TCWG-1040, SVE patches review. [1/5] Review Alan's patches. # Plan # * PR 22531, upstream preparatory patches, * Answer questions to my pending patch series, TCWG-1292. -- Yao Qi

7 years, 7 months

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[ACTIVITY] 15-19 January 2018

by Christophe Lyon

== Progress == * GCC - FDPIC - fixed crash during program startup (self-relocation) - CI loop now almost green * GCC upstream validation: - reported a few of regressions - committed a few minor testsuite fixes * Infrastructure: * misc (conf-calls, meetings, emails, ....) == Next == * GCC/FDPIC * GCC upstream validation

7 years, 7 months

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[update]: Does linaro toolchain support c++11 ??

by zhangwentao (M)

Hi, all I have updated my test case: Compile passed but failed while linking. wentao@ubuntu:~/test/lamda$ cat a.cc #include <iostream> using namespace std; int main() { auto f = [=]() { cout <<"Hello world"<<endl; }; f(); return 0; } wentao@ubuntu:~/test/lamda$ arm-eabi-g++ --std=gnu++11 a.cc -o arm32 /home/wentao/TeeOS/tools/gcc-linaro-6.3.1-2017.05-x86_64_arm-eabi/bin/../lib/gcc/arm-eabi/6.3.1/../../../../arm-eabi/lib/libstdc++.a(locale.o): In function `get_locale_cache_mutex': /home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/snapshots/gcc.git~linaro-6.3-2017.05/libstdc++-v3/src/c++98/locale.cc:36: undefined reference to `__sync_synchronize' /home/wentao/TeeOS/tools/gcc-linaro-6.3.1-2017.05-x86_64_arm-eabi/bin/../lib/gcc/arm-eabi/6.3.1/../../../../arm-eabi/lib/libstdc++.a(future.o): In function `__future_category_instance': /home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/snapshots/gcc.git~linaro-6.3-2017.05/libstdc++-v3/src/c++11/future.cc:64: undefined reference to `__sync_synchronize' /home/wentao/TeeOS/tools/gcc-linaro-6.3.1-2017.05-x86_64_arm-eabi/bin/../lib/gcc/arm-eabi/6.3.1/../../../../arm-eabi/lib/libstdc++.a(locale_init.o): In function `(anonymous namespace)::get_locale_mutex()': /home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/snapshots/gcc.git~linaro-6.3-2017.05/libstdc++-v3/src/c++98/locale_init.cc:66: undefined reference to `__sync_synchronize' collect2: error: ld returned 1 exit status wentao@ubuntu:~/test/lamda$ ��: zhangwentao (M) ��ʱ��: 2018��1��10�� 10:22 �ռ��: 'linaro-toolchain(a)lists.linaro.org' ��: Huangqiang (H); Lizefan; leijitang ��: Does linaro toolchain support c++11 ?? Hi all, I wonder if my compiler supports C++11? If not, where could I found the compiler supports c++11 (both 32bit and 64bit arm). THANKS a lot~~~ My compiler information is as below: wentao@ubuntu:~/test/lamda$ arm-eabi-g++ -v Using built-in specs. COLLECT_GCC=arm-eabi-g++ COLLECT_LTO_WRAPPER=/home/wentao/TeeOS/tools/gcc-linaro-6.3.1-2017.05-x86_64_arm-eabi/bin/../libexec/gcc/arm-eabi/6.3.1/lto-wrapper Target: arm-eabi Configured with: '/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/snapshots/gcc.git~linaro-6.3-2017.05/configure' SHELL=/bin/bash --with-mpc=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/builds/destdir/x86_64-unknown-linux-gnu --with-mpfr=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/builds/destdir/x86_64-unknown-linux-gnu --with-gmp=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/builds/destdir/x86_64-unknown-linux-gnu --with-gnu-as --with-gnu-ld --disable-libmudflap --enable-lto --enable-shared --without-included-gettext --enable-nls --disable-sjlj-exceptions --enable-gnu-unique-object --enable-linker-build-id --disable-libstdcxx-pch --enable-c99 --enable-clocale=gnu --enable-libstdcxx-debug --enable-long-long --with-cloog=no --with-ppl=no --with-isl=no --enable-multilib --with-multilib-list=aprofile --enable-threads=no --disable-multiarch --with-newlib --with-build-sysroot=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/sysroots/arm-eabi --with-sysroot=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/builds/destdir/x86_64-unknown-linux-gnu/arm-eabi/libc --enable-checking=release --disable-bootstrap --enable-languages=c,c++,lto --build=x86_64-unknown-linux-gnu --host=x86_64-unknown-linux-gnu --target=arm-eabi --prefix=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/builds/destdir/x86_64-unknown-linux-gnu Thread model: single gcc version 6.3.1 20170404 (Linaro GCC 6.3-2017.05) wentao@ubuntu:~/test/lamda$ ===> And more, I wrote a ��hello-world�� program using c++11, it could work with host g++, but when I change to ��arm-eabi-g++��, it does not work. Information as below: wentao@ubuntu:~/test/lamda$ cat a.cc #include <iostream> using namespace std; typedef void(*Func)(); int main() { Func f = [=]() { cout <<"Hello world"<<endl; }; f(); return 0; } wentao@ubuntu:~/test/lamda$ g++ a.cc -o host a.cc: In function ��int main()��: a.cc:10:2: warning: lambda expressions only available with -std=c++11 or -std=gnu++11 [enabled by default] }; ^ wentao@ubuntu:~/test/lamda$ ./host Hello world wentao@ubuntu:~/test/lamda$ arm-eabi-g++ a.cc -o arm32 a.cc: In function ��int main()��: a.cc:10:2: error: cannot convert ��main()::<lambda()>�� to ��Func {aka void (*)()}�� in initialization }; ^ wentao@ubuntu:~/test/lamda$ arm-eabi-g++ --std=gnu++11 a.cc -o arm32 # if gives �Cstd=c++11 , the error is the same. a.cc: In function ��int main()��: a.cc:10:2: error: cannot convert ��main()::<lambda()>�� to ��Func {aka void (*)()}�� in initialization }; ^ wentao@ubuntu:~/test/lamda$

7 years, 8 months

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[ACTIVITY] Weekly report for week 1 & 2

by Thomas Preudhomme

Hi everyone, Note 1: Working on Linaro 50% time. Note 2: had afternoons off for the first 2 weeks of January == Progress == * Week 1 (2/1 -> 5/1) working for Arm * Fix poor screen resolution issue * Onboarding process: + read all docs, setup accounts (gmail, octopus, ...) * PR35157 / TCWG-1308 (Crash in ARM backend for VST1d64TPseudoWB_fixed instruction): + reproduce in llc under gdb, start investigating == Plan == * PR35157 / TCWG-1308 (Crash in ARM backend for VST1d64TPseudoWB_fixed instruction)

7 years, 8 months

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[ACTIVITY] 08 - - 12 Jan 2018

by Yao Qi

# Progress # * GDB 8.1 release. 8.1 RC was created. 8.1 will be released soon, I think. * GDB is confused by the line table generated by GCC with -gcolumn-info PR 22531. [3/5] Get a working patch, but need to upstream my refactoring first. Other two people from upstream are also changing the same file, need to cooperate. * Upstream patches review, [2/5] ** Review changes to dwarf2read.c, ** Review one ARMv8 OpenOCD patch, # Plan # * PR 22531, * Resume my pending patches on removing MAX_REGISTER_SIZE. -- Yao Qi

7 years, 8 months

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[ACTIVITY] Week 02

by Yvan Roux

== Progress == o LLVM * TCWG-1324 (failures of Clang::atomic_ops.c and frem.ll on armv8l host): - Fix committed in mainline as r322098 * Bugzilla 33011 (MVN instruction "Upredictable" bit patterns incorrect): - Fix submitted upstream * Buildbots babysitting. * LLVM scripts reviews o Misc * Various meetings and discussions.

7 years, 8 months

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[ACTIVITY] 8 - 12 January 2018

by Prathamesh Kulkarni

== This Week == * GCC bugs (8/10) - PR81703: Committed to trunk, restricted test-case to x86_64 for now. - PR83514: Committed to trunk. - PR82665: Upstream iteration and approved for next stage-1. - PR83648: Upstream iteration and approved for next stage-1. - TCWG-1329: Created patch. - PR83570: Work in progress patch. * libgo regression (1/10) - Individual tests failing with makechan size out of range - Sent patch to add failing tests to unstable-tests.txt * Misc (1/10) - libgo regressions - Meetings == Next Week == - TCWG-1234 - GCC bugs

7 years, 8 months

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[ACTIVITY] 8-12 January 2018

by Christophe Lyon

== Progress == * GCC - FDPIC - understood crash during program startup (self-relocation): self-relocated data is set read-only by the dynamic linker. * GCC upstream validation: - reported a couple of regressions - helped validating a couple of patches before they are committed * Infrastructure: * misc (conf-calls, meetings, emails, ....) == Next == * GCC/FDPIC * GCC upstream validation

7 years, 8 months

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Does linaro toolchain support c++11 ??

by zhangwentao (M)

Hi all, I wonder if my compiler supports C++11? If not, where could I found the compiler supports c++11 (both 32bit and 64bit arm). THANKS a lot~~~ My compiler information is as below: wentao@ubuntu:~/test/lamda$ arm-eabi-g++ -v Using built-in specs. COLLECT_GCC=arm-eabi-g++ COLLECT_LTO_WRAPPER=/home/wentao/TeeOS/tools/gcc-linaro-6.3.1-2017.05-x86_64_arm-eabi/bin/../libexec/gcc/arm-eabi/6.3.1/lto-wrapper Target: arm-eabi Configured with: '/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/snapshots/gcc.git~linaro-6.3-2017.05/configure' SHELL=/bin/bash --with-mpc=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/builds/destdir/x86_64-unknown-linux-gnu --with-mpfr=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/builds/destdir/x86_64-unknown-linux-gnu --with-gmp=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/builds/destdir/x86_64-unknown-linux-gnu --with-gnu-as --with-gnu-ld --disable-libmudflap --enable-lto --enable-shared --without-included-gettext --enable-nls --disable-sjlj-exceptions --enable-gnu-unique-object --enable-linker-build-id --disable-libstdcxx-pch --enable-c99 --enable-clocale=gnu --enable-libstdcxx-debug --enable-long-long --with-cloog=no --with-ppl=no --with-isl=no --enable-multilib --with-multilib-list=aprofile --enable-threads=no --disable-multiarch --with-newlib --with-build-sysroot=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/sysroots/arm-eabi --with-sysroot=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/builds/destdir/x86_64-unknown-linux-gnu/arm-eabi/libc --enable-checking=release --disable-bootstrap --enable-languages=c,c++,lto --build=x86_64-unknown-linux-gnu --host=x86_64-unknown-linux-gnu --target=arm-eabi --prefix=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/builds/destdir/x86_64-unknown-linux-gnu Thread model: single gcc version 6.3.1 20170404 (Linaro GCC 6.3-2017.05) wentao@ubuntu:~/test/lamda$ ===> And more, I wrote a "hello-world" program using c++11, it could work with host g++, but when I change to "arm-eabi-g++", it does not work. Information as below: wentao@ubuntu:~/test/lamda$ cat a.cc #include <iostream> using namespace std; typedef void(*Func)(); int main() { Func f = [=]() { cout <<"Hello world"<<endl; }; f(); return 0; } wentao@ubuntu:~/test/lamda$ g++ a.cc -o host a.cc: In function 'int main()': a.cc:10:2: warning: lambda expressions only available with -std=c++11 or -std=gnu++11 [enabled by default] }; ^ wentao@ubuntu:~/test/lamda$ ./host Hello world wentao@ubuntu:~/test/lamda$ arm-eabi-g++ a.cc -o arm32 a.cc: In function 'int main()': a.cc:10:2: error: cannot convert 'main()::<lambda()>' to 'Func {aka void (*)()}' in initialization }; ^ wentao@ubuntu:~/test/lamda$ arm-eabi-g++ --std=gnu++11 a.cc -o arm32 # if gives -std=c++11 , the error is the same. a.cc: In function 'int main()': a.cc:10:2: error: cannot convert 'main()::<lambda()>' to 'Func {aka void (*)()}' in initialization }; ^ wentao@ubuntu:~/test/lamda$

7 years, 8 months

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[ACTIVITY] Week 01

by Yvan Roux

o 3 days off == Progress == o LLVM * TCWG-1317 (lencod miscompilation on clang-native-arm-lnt-perf bot): - Can't reproduce the miscompilation on the builder at a revision where it should - Issue fixed on the bot * TCWG-1324 (failures of Clang::atomic_ops.c and frem.ll on armv8l host): - Built the toolchains and start to investigate * Buildbots babysitting: - Investigate and reported upstream regressions o Misc * Catch-up after vacations

7 years, 8 months

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[ACTIVITY] 2 - 5 January 2018

by Prathamesh Kulkarni

== This Week == * GCC bugs (8/10) a) PR83501 - Committed to trunk. b) PR82665 - Upstream iteration, waiting for final approval. c) PR83648 - Upstream iteration. d) PR81703 - Created a fix. e) PR83661 - Work in progress patch. * Public Holiday (2/10) == Next Week == - Continue ongoing tasks

7 years, 8 months

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[ACTIVITY] 2-5 January 2018

by Christophe Lyon

* 1 day off (Monday) == Progress == * GCC - FDPIC - debugging crash during program startup (self-relocation) - fixed linker assert when using -static * GCC upstream validation: - reported a couple of regressions - incremental improvements for more robustness, and easier configuration of validations * Infrastructure: * misc (conf-calls, meetings, emails, ....) == Next == * GCC/FDPIC * GCC upstream validation

7 years, 8 months

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[ACTIVITY] 02 - - 05 Jan 2018

by Yao Qi

* New year holiday # Progress # * GDB 8.1 release. 8.1 branch is created. Fix GDB and GDBserver build failure in release mode. Patches are posted. Looking at several test fails caused by new GCC emitting multiple line entries for the same line but with different columns, like, i = 1; j = 2; GDB can't step over the whole source line, and program stops at the middle of the source line. # Plan # * GDB 8.1 release. * Resume my pending patches on removing MAX_REGISTER_SIZE. -- Yao Qi

7 years, 8 months

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Regarding license manifest for Linaro toolchain packages

by Ronak Desai

Hi, I am using the following linaro toolchain and need to create a license manifest in terms what are the packages are there, what license they use. https://releases.linaro.org/components/toolchain/binaries/ 5.2-2015.11-2/aarch64-linux-gnu/ I don't see any such manifest in the release archive nor in the toolchain archive. If such manifest is available then would you please point me to it. -- *Ronak A Desai*

7 years, 8 months

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ACTIVITY] 18-22 December 2017

by Christophe Lyon

1 day off (Friday) == Progress == * GCC - FDPIC - debugging crash during program startup (self-relocation), and linker assert when using -static * GCC upstream validation: - reported a couple of regressions, tested a couple of patches for upstream - incremental improvements for more robustness, and easier configuration of validations * Infrastructure: * misc (conf-calls, meetings, emails, ....) == Next == Holidays until Jan 2nd, 2018 Merry Christmas and happy new year!

7 years, 8 months

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[ACTIVITY] 11 - 15 Dec 2017

by Prathamesh Kulkarni

== This Week == * alloc_size propagation (6/10) - Prototype patch done * Sick leave (4/10) - Cough and Viral fevers == Next Week == - Continue ongoing tasks

7 years, 8 months

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[ACTIVITY] 11th -- 15th Dec

by Yao Qi

# Progress # * GDB 8.1 release. [2/10] Triage regressions on aarch64 and arm. * PR 21698. [3/10] During the patch review, I doubt the patch fixes an invalid python use in gdb. The GDB doc is quite unclear on how that python api should be used. Ask the python api owner to clarify. * Misc, [5/10] Two days travel to Manchester. # Plan # * GDB 8.1 release. Fix regressions. -- Yao Qi

7 years, 8 months

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[ACTIVITY] 11-15 December 2017

by Christophe Lyon

== Progress == * GCC - FDPIC - debugging crash during program startup (self-relocation) * GCC upstream validation: - reported a couple of regressions, tested a couple of patches for upstream - incremental improvements for more robustness, and easier configuration of validations * Infrastructure: - updated Jenkins job for GCC upstream monitoring * misc (conf-calls, meetings, emails, ....) == Next == * GCC/FDPIC * GCC upstream validation

7 years, 9 months

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[ACTIVITY] 4th -- 8th Dec

by Yao Qi

# Progress # * TCWG-1125, ARMv8 tagged address support in GDB. Finish v3, and committed. Done. [5/10] * TCWG-1040, Update my patches to remove the last use of MAX_REGISTER_SIZE. No response, people are busy on release. * GDB 8.1 release. [2/10] PR gdb/21698. It is a regression. Fixed. * Misc, [3/10] # Plan # * GDB 8.1 release, testing for ARM and AArch64. -- Yao Qi

7 years, 9 months

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[ACTIVITY] Week 49

by Yvan Roux

== Progress == o Linaro GCC/Validation * 6.4 an 7.2 2017.11 snapshots deployed. o LLVM ramp-up * Buildbots babysitting: - Investigate and reported upstream regressions * Patch benchmarking job (TCWG-1306): - Start to look at it * Upstream BZ 32999: - Still on-going o Misc * Various meetings and discussions.

7 years, 9 months

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[ACTIVITY] 4-8 December 2017

by Christophe Lyon

== Progress == * GCC - FDPIC - debugged linker assert while building gcc target libs - now debugging crash during program startup (self-relocation) * GCC upstream validation: - reported a couple of regressions - a few more improvements to handle random infrastructure problems - experimenting with new builders * Infrastructure: - updated Jenkins job for GCC upstream monitoring * misc (conf-calls, meetings, emails, ....) == Next == * GCC/FDPIC * GCC upstream validation

7 years, 9 months

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[ANNOUNCE] Linaro GCC 6 and 7 2017.11 source snapshots

by Mark Murray

The Linaro Toolchain Working Group (TCWG) is pleased to announce the 2017.11 snapshot of Linaro GCC 6 and 7 source packages. o The GCC 7 series introduced an ABI change for ARM targets by fixing a bug (present since GCC 5, see link below) that affects conformance to the procedure call standard (AAPCS). The bug affects some C++ code where class objects are passed by value to functions and could result in incorrect or inconsistent code being generated. If the option -Wpsabi is enabled (on by default) the compiler will emit a diagnostic note for code that might be affected by this ABI change. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77728 For an explanation of the changes please see the following website: https://gcc.gnu.org/gcc-7/changes.html o Linaro GCC 7 monthly snapshot[1] is based on FSF GCC 7.2+svn254792 and includes performance improvements and bug fixes backported from mainline GCC. The contents of this snapshot will be part of the 2018.02 stable[2] quarterly release. This snapshot tarball is available on: http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.2-2017.11/ Interesting changes in this GCC source package snapshot include: * Updates to GCC 7.2+svn254792 o Linaro GCC 6 monthly snapshot[1] is based on FSF GCC 6.4+svn254791 and includes performance improvements and bug fixes backported from mainline GCC. This snapshot contents will be part of the next maintenance release. This snapshot tarball is available on: http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.4-2017.11/ Interesting changes in this GCC source package snapshot include: * Updates to GCC 6.4+svn254791 o Subscribe to the important Linaro mailing lists and join our IRC channels to stay on top of Linaro development. ** Linaro Toolchain Development "mailing list": http://lists.linaro.org/mailman/listinfo/linaro-toolchain ** Linaro Toolchain IRC channel on irc.freenode.net at @#linaro-tcwg@ * Bug reports should be filed in bugzilla against GCC product: http://bugs.linaro.org/enter_bug.cgi?product=GCC * Interested in commercial support? inquire at "Linaro support": mailto:support@linaro.org [1]. Source package snapshots are defined when the compiler is only put through unit-testing and full validation is not performed. [2]. Stable source package releases are defined as releases where the full Linaro Toolchain validation plan is executed. IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.

7 years, 9 months

1
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[ACTIVITY] 27 November - 1 December 2017

by Prathamesh Kulkarni

== This Week == * TCWG-1234 (6/10) - WIP patch * Public Holiday (2/10) * Misc (2/10) - PR83142 - Meetings == Next Week == - Continue ongoing tasks

7 years, 9 months

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[ACTIVITY] Week 48

by Yvan Roux

* One day off * One day sick and half one in the snow == Progress == o Linaro GCC/Validation * GCC 6.4 and 7.2 binary releases deployed * 2017.11 snapshots: - 6.4 and 7.2 ready to be deployed o LLVM ramp-up * Upstream BZ 32999: - Struggled to construct the testcases which produce the DAGs needed for a good coverage - Re-working sub-vectors indexes logic to handle these testcases. o Misc * Various meetings and discussions.

7 years, 9 months

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[ACTIVITY] 27th Nov -- 1st Dec

by Yao Qi

# Progress # * TCWG-1040, [6/10] Update my patches to remove the last use of MAX_REGISTER_SIZE. Post the whole patch series as an RFC. There are 15 patches, but I rewrote them in seven times. This version is quite satisfying. Targeting to GDB 8.2. One patch can't be merged until 8.1 is branched. * TCWG-1125, ARMv8 tagged address support in GDB. Writing v3. [2/10] * Misc, [2/10] # Plan # * TCWG-1125, * GDB 8.1 release. Testing for ARM and AArch64. -- Yao Qi

7 years, 9 months

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[ACTIVITY] 27 November - 1 December 2017

by Christophe Lyon

== Progress == * GCC - FDPIC:debugging linker assert while building gcc target libs * GCC upstream validation: - reported a couple of regressions * Infrastructure: * misc (conf-calls, meetings, emails, ....) == Next == * GCC/FDPIC * GCC upstream validation

7 years, 9 months

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[ACTIVITY] 20 - 24 November 2017

by Prathamesh Kulkarni

== This Week == * TCWG-1234 (6/10) - Using dfs to compute bb dist - Reading through rest of PRE/SCCVN to better understand the infrastructure * PR82808 (2/10) - Trying to find an approach to pass parm_type from all callers. - Martin posted a patch to address the parm_type issue. * Misc (2/10) - Meetings - Filed PR83194, browsing through other PR's. == Next Week == - Continue ongoing tasks

7 years, 9 months

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[ANNOUNCE] Linaro Binary Toolchain Release GCC 7.2-2017.11

by Mark Murray

The Linaro Binary Toolchain ============================ The Linaro GCC 7.2-2017.11 Release is now available. *Notice*: GCC 7.1 ABI change for arm*-*-* targets, and note for aarch64*-*-* targets From GCC 7.1 release notes: On ARM targets (arm*-*-*), a bug introduced in GCC 5 that affects conformance to the procedure call standard (AAPCS) has been fixed. The bug affects some C++ code where class objects are passed by value to functions and could result in incorrect or inconsistent code being generated. This is an ABI change. If the option -Wpsabi is enabled (on by default) the compiler will emit a diagnostic note for code that might be affected. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77728 GCC 5 and GCC 6 releases will continue to be affected by the ABI bug, since changing ABI in these releases is not practical. A warning enabled by -Wpsabi option was added to GCC 5 and GCC 6 toolchains to diagnose codebases that might be affected by the ABI bug. Additionally, this same bug was present in AArch64 backend in development versions of GCC 7. There was no releases of GCC with this bug present in AArch64 backend, therefore the release notes does not mention this. However, be advised that any code bases built with development versions of GCC 7 need to be recompiled with released version of GCC 7 to conform to ABI. For an explanation of GCC 7 series changes please see the following website: https://gcc.gnu.org/gcc-7/changes.html For help in porting to GCC 7 please see the following explanation: https://gcc.gnu.org/gcc-7/porting_to.html Download release packages from: (sources) http://releases.linaro.org/components/toolchain/gcc-linaro/7.2-2017.11/ (binaries) http://releases.linaro.org/components/toolchain/binaries/7.2-2017.11/ Previous snapshots and release-candidates are at: http://snapshots.linaro.org/components/toolchain/binaries/ Previous releases are at: http://releases.linaro.org/components/toolchain/binaries/ A description of the arm and AArch64 target triples can be found at: https://collaborate.linaro.org/display/TCWGPUB/ARM+and+AArch64+Target+Tripl… Host Requirements ================== Linaro officially supports the current and previous Ubuntu LTS releases (as of the time of this release). This does not mean that the toolchain will not work on other/older Linux distributions. See the following for the life-time of Ubuntu LTS releases. https://wiki.ubuntu.com/Releases The host system upon which the cross-compiler will run requires a minimum of glibc 2.14, because of API changes to glibc's memcpy API. https://bugs.linaro.org/show_bug.cgi?id=1869 Package Versions ================= Linaro GCC 7.2-2017.11 http://releases.linaro.org/components/toolchain/gcc-linaro/7.2-2017.11/ FSF glibc 2.25 (release/2.25) https://lists.gnu.org/archive/html/info-gnu/2017-02/msg00002.html Newlib 2.5 (newlib-2_5_0 tag) https://sourceware.org/ml/newlib/2016/msg01191.html GNU Binutils 2.28 (users/linaro/binutils-2_28-branch) https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=blob_plain;f=bin… FSF GDB 8.0 (gdb-8.0-branch) https://sourceware.org/ml/gdb-announce/2017/msg00003.html Linaro toolchain package git branches are hosted at: http://git.linaro.org/toolchain NEWS for GCC 7 (as of Linaro GCC 7.2-2017.11) ============================================== * The Linaro GCC 7.2-2017.09 snapshot added float and integer moves improvement for AArch64 targets. * The Linaro GCC 7.1-2017.07 snapshot added prefetching configuration improvement for AArch64 targets and laid groundwork to enabling prefetching in more cases. * Previous MinGW hosted version of Linaro GCC C preprocessor failed to convert character set used for string, character constants, etc. This is fixed in this release. Linaro bugzilla #3040 : CC1 and cc1plus cannot convert UTF-8. https://bugs.linaro.org/show_bug.cgi?id=3040 * Performance related backports from the following snapshots have been included: Linaro GCC 7.1-2017.05, Linaro GCC 7.1-2017.06, Linaro GCC 7.1-2017.07, Linaro GCC 7.2-2017.08, Linaro GCC 7.2-2017.09 and Linaro GCC 7.2-2017.10. See the following Linaro GCC snapshots: http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.1-2017.05/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.1-2017.06/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.1-2017.07/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.2-2017.08/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.2-2017.09/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.2-2017.10/ Contact Linaro =============== File bugs at http://bugs.linaro.org For Linaro member support see http://support.linaro.org For Linaro community support email linaro-toolchain(a)lists.linaro.org IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.

7 years, 9 months

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[ANNOUNCE] Linaro Binary Toolchain Release GCC 6.4-2017.11

by Mark Murray

The Linaro Binary Toolchain ============================ The Linaro GCC 6.4-2017.11 Release is now available. The GCC 6 Release series has significant changes from the GCC 5 release series. For an explanation of the changes please see the following website: https://gcc.gnu.org/gcc-6/changes.html For help in porting to GCC 6 please see the following explanation: https://gcc.gnu.org/gcc-6/porting_to.html Download release packages from: (sources) http://releases.linaro.org/components/toolchain/gcc-linaro/6.4-2017.11/ (binaries) http://releases.linaro.org/components/toolchain/binaries/6.4-2017.11/ Previous snapshots and release-candidates are at: http://snapshots.linaro.org/components/toolchain/binaries/ Previous releases are at: http://releases.linaro.org/components/toolchain/binaries/ A description of the arm and AArch64 target triples can be found at: https://collaborate.linaro.org/display/TCWGPUB/ARM+and+AArch64+Target+Tripl… Host Requirements ================== Linaro officially supports the current and previous Ubuntu LTS releases (as of the time of this release). This does not mean that the toolchain will not work on other/older Linux distributions. See the following for the life-time of Ubuntu LTS releases. https://wiki.ubuntu.com/Releases The host system upon which the cross-compiler will run requires a minimum of glibc 2.14, because of API changes to glibc's memcpy API. https://bugs.linaro.org/show_bug.cgi?id=1869 Package Versions ================= Linaro GCC 6.4-2017.11 http://releases.linaro.org/components/toolchain/gcc-linaro/6.4-2017.11/ Linaro glibc 2.23 (linaro/2.23/master) https://lists.gnu.org/archive/html/info-gnu/2016-02/msg00009.html Linaro newlib 2.4-2016.03 (linaro_2.4-branch) https://sourceware.org/ml/newlib/2016/msg00370.html Linaro binutils 2.27 (users/linaro/binutils-2_27-branch) https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=blob_plain;f=bin… Linaro GDB 8.0 (gdb-8.0-branch) https://lists.gnu.org/archive/html/info-gnu/2016-10/msg00007.html Linaro toolchain package git branches are hosted at: http://git.linaro.org/toolchain NEWS for GCC 6 (as of Linaro GCC 6.4-2017.11) ============================================== * Previous MinGW hosted version of Linaro GCC C preprocessor failed to convert character set used for string, character constants, etc. This is fixed in this release. Linaro bugzilla #3040 : CC1 and cc1plus cannot convert UTF-8. https://bugs.linaro.org/show_bug.cgi?id=3040 * The Linaro GCC 6.3-2017.05 snapshot added support for -mpure-code option to ARMv7-M and ARMv8-M targets. This option ensures functions are put into sections that contain only code and no data. * The GDB version was upgraded from GDB 8.0. * Previous versions of the Linaro GCC 6 toolchain, when -static -E/—dynamic-list are passed to the linker, might create executables with dynamic sections which aren’t supported by run-time. This was exhibited in Perf Tools build system and has been fixed upstream and backported into Linaro Binutils 2.27 branch. Linaro bugzilla #2926 : Perf tools compiled statically for AArch64 with Linaro release 6.1 and later ones was not statically linked. https://bugs.linaro.org/show_bug.cgi?id=2926 * The Linaro GCC 6.3-2017.03 snapshot fixed some ILP32 issues (TLS, exception handling, …) and these have been incorporated into this release. * Previous versions of the Linaro GCC 6 toolchain were incorrectly generating floating-point code for soft-float Linux targets (arm-linux-gnueabi, and armeb-linux-gnueabi). This escaped detection until recently because the soft-float targeted toolchains were configured to use general-purpose registers for passing floating-point values (which is what you would expect for soft-float toolchains) and the intra-routine floating-code was not noticed. The issue would only show up on targets that were run on hardware that truly didn't have floating-point hardware where the kernel did not trap and emulate floating-point routines. This has been solved in Linaro GCC 6.3-2017.02-rc2 by configuring the toolchain (using --with-float=soft) to generate code without any floating-point instructions at all (-mfloat-abi=soft). https://review.linaro.org/#/c/16968/2 This change should not break compatibility between existing binaries compiled with these toolchains since the float-point parameter passing ABI is still the same. * A bug/regression in the compiler has been identified whereby the target function that is invoked when calling a "weak" function directly is the "strong" override, whereas when calling the function via a pointer the "weak" implementation is used. This would be noticed as inconsistent function invocation when invoking directly vs. invoking via function pointer. This issue only affected 32-bit arm targets. This regression has been fixed upstream and backported into Linaro GCC 6.3-2017.02-rc2. GCC PR target/78253: [5/6/7 Regression] [ARM] call weak function instead of strong when called through pointer. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78253 Linaro bugzilla #2562: ARM GCC 5.2 call weak function instead of strong when called through pointer https://bugs.linaro.org/show_bug.cgi?id=2562 * MS Windows does not support symlinks and the MS Windows archive extractor does not properly deep copy the symlink target files/directories into the symlinked directory structure when unpacking the toolchain archive. This causes problems with missing dependencies when using the Linaro mingw toolchains, as identified in the following bugs: https://bugs.linaro.org/show_bug.cgi?id=2684 https://bugs.linaro.org/show_bug.cgi?id=2192 https://bugs.linaro.org/show_bug.cgi?id=2762 This has been solved by copying files rather than using symlinks when the mingw targetted toolchain archives are created. https://review.linaro.org/#/c/16415/ * Users of Linaro's toolchain have encountered problems when building projects with Autotools (specifically libtool): https://bugs.linaro.org/show_bug.cgi?id=2764 The Linaro binary toolchain release contained files with a .la suffix as artifacts of the toolchain build process. These .la files are helper files for libtool, but unlike a gcc install tree, they are not position independent and contain full paths. Since these artifacts contain absolute paths they can actually mislead user invocation of libtool into not finding required libraries (because they reference the build tree, not the install location) and hence breaking Autotools builds. These *.la file artifacts have been removed from Linaro toolchain binaries because they are unnecessary for users. * The Linaro GCC 6.3-2017.01 snapshot added further enablement for ARMv8-M and these have been incorporated into this release. * Compiling and statically linking some SPEC2006int tests against tcmalloc have been failing due to a problem with glibc's memory allocator function overrides. This was fixed upstream: https://sourceware.org/bugzilla/show_bug.cgi?id=20432 Backported into Linaro glibc 2.23: commit 058b5a41d56b9a8860dede14d97dd443792d064b Author: Florian Weimer <fweimer(a)redhat.com> Date: Fri Aug 26 22:40:27 2016 +0200 malloc: Simplify static malloc interposition [BZ #20432] * Host binaries for x86_64 linux hosts now have symbols and debug information stripped in order to reduce the size of the toolchain binary archives. This reduces the archive size from 1.5G to 600M for aarch64-linux-gnu target with the gcc-6-branch. * The GDB version was upgraded from GDB 7.11 in the Linaro GCC 6.1-2016.08 release to GDB 7.12 in the Linaro GCC 6.2-2016.11 release. * The Linaro GCC 6.2-2016.10 snapshot added AArch32 support for ARMv8.2 and ARMv8m, as well as some AArch64 fixes for ARMv8.2, and bug fixes merged from FSF GCC 6.2. This is available in the binary toolchain as of Linaro GCC 6.2-2016.11. * Basic tuning support for the Qualcomm qdf24xx was added to the Linaro GCC 6.2-2016.10 snapshot and is available in the binary toolchain as of Linaro GCC 6.2-2016.11. * IFUNC was disabled for baremetal targets, as it was causing test-suite failures, and is presently a Linux only feature. * The gold linker was added to this binary release. * Backported malloc_lock fix into Linaro newlib 2.4. commit 2665915cfc46aa6403bb2efd473c523d3167e0cb Author: Andre Vieira (lists) <Andre.SimoesDiasVieira(a)arm.com> Date: Thu Jun 16 12:23:51 2016 +0100 Re-enable malloc_lock for newlib-nano * Backported rawmemchr patch into Linaro newlib 2.4. commit e7b1ee2ea6aa3ee1da41976407410e6202a098c5 Author: Wilco Dijkstra <Wilco.Dijkstra(a)arm.com> Date: Thu May 12 16:16:58 2016 +0000 Add rawmemchr * Backported strlen fix when using Thumb-2 and -Os -marm into Linaro newlib 2.4. commit 5c02bcc086a96b174e1b9e1445a4a1770070107a Author: Thomas Preud'homme <thomas.preudhomme(a)arm.com> Date: Wed May 11 17:18:48 2016 -0400 Fix strlen using Thumb-2 with -Os -marm * Backported fix for semihosting ARM when heapinfo not provided by debugger into Linaro newlib 2.4. commit 5c9403eaf40951f8a4f55ed65f661b485ff44be7 Author: David Hoover <spm2(a)dangerous.li> Date: Thu Apr 21 07:12:24 2016 +0200 Fixed semihosting for ARM when heapinfo not provided by debugger. * Merged latest FSF glibc release/2.23/master into Linaro glibc 2.23. * Backported __ASSUME_REQUEUE_PI check Linaro glibc 2.23 branch. commit 2d20c3bf918cd94ebd4106693adb3a5c9272baba Author: Adhemerval Zanella <adhemerval.zanella(a)linaro.org> Date: Tue May 17 10:16:39 2016 -0300 Add runtime check for __ASSUME_REQUEUE_PI (BZ# 18463) * Backported removal of __ASSUME_SET_ROBUST_LIST from Linaro glibc 2.23 branch. commit bb8f09d72756186a3d82a1f7b2adcf8bc1fbaed1 Author: Adhemerval Zanella <adhemerval.zanella(a)linaro.org> Date: Mon May 16 19:01:10 2016 -0300 Remove __ASSUME_SET_ROBUST_LIST * Backported removal of __ASSUME_FUTEX_LOCK_PI from Linaro glibc 2.23 branch. commit e48b4e7fed0de06dd7832ead48bea8ebc813a204 Author: Adhemerval Zanella <adhemerval.zanella(a)linaro.org> Date: Mon May 16 10:35:25 2016 -0300 Remove __ASSUME_FUTEX_LOCK_PI * Merged latest FSF binutils-2_27-branch into linaro_binutils-2_27-branch. * The libwinpthread DLL is now copied into the host bin directory to satisfy mingw package dependencies. * Backported GNU Linker fix. commit fbc6c6763e70cb2376e2de990c7fc54c0ee44a59 Author: Nick Clifton <nickc(a)redhat.com> Date: Tue Aug 23 09:45:11 2016 +0100 Fix seg-fault in ARM linker when trying to parse a binary file. * Backported GNU Assembler fix for PR 20364 commit 5fe7ebe5ab43750abf8f490b785d99a1e598e7fd Author: Nick Clifton <nickc(a)redhat.com> Date: Fri Aug 5 10:37:57 2016 +0100 Fix the generation of alignment frags in code sections for AArch64. https://sourceware.org/bugzilla/show_bug.cgi?id=20364 * Performance related backports from the following snapshots have been included: Linaro GCC 6.1-2016.06, Linaro GCC 6.1-2016.07, Linaro GCC 6.1-2016.08, Linaro GCC 6.2-2016.09, Linaro GCC 6.2-2016.10, Linaro GCC 6.2-2016.11, Linaro GCC 6.2-2016.12, Linaro GCC 6.3-2017.01, Linaro GCC 6.3-2017.02, Linaro GCC 6.3-2017.03, Linaro GCC 6.3-2017.04, Linaro GCC 6.3-2017.05, Linaro GCC 6.3-2017.06, Linaro GCC 6.4-2017.07, Linaro GCC 6.4-2017.08, Linaro GCC 6.4-2017.09 and Linaro GCC 6.4-2017.10 . See the following Linaro GCC snapshots: http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.1-2016.06/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.1-2016.07/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.1-2016.08/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.2-2016.09/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.2-2016.10/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.2-2016.11/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.2-2016.12/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.3-2017.01/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.3-2017.02/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.3-2017.03/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.3-2017.04/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.3-2017.05/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.3-2017.06/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.4-2017.07/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.4-2017.08/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.4-2017.09/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.4-2017.10/ Contact Linaro =============== File bugs at http://bugs.linaro.org For Linaro member support see http://support.linaro.org For Linaro community support email linaro-toolchain(a)lists.linaro.org IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.

7 years, 9 months

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[ACTIVITY] Week 47

by Yvan Roux

* 2 days off (Internal Training) == Progress == o Linaro GCC/Validation * Final GCC 5.5 release deployed and announced * GCC 6.4 and 7.2 deployed * 2017.11 snapshots on-going (branch merges done) o LLVM ramp-up * Upstream BZ 32999: - Addressing upstream comments. * Upstream BZ 35272: - Analysed and commented upstream. o Misc * Various meetings and discussions. == Plan == o Continue on on-going LLVM Bugs. o Wednesday off

7 years, 9 months

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[ACTIVITY] 20-24 Nov

by Yao Qi

# Progress # * TCWG-1040, [4/10] Update my patches to remove the last use of MAX_REGISTER_SIZE. Commit my 1/6 patch series. Prepare 2/6 patch series. Need to be sync'ed with GDB 8.1 release. * TCWG-1159, [4/10] GDB flexible target description conversion. Commit patch for tic6x, and ready to post patches for nios2. * Run GDB testsuite with CLANG. [1/10] Commit my patches, but leave some controversial patches in my tree. Now, I get some reasonable GDB test result with clang. * Upstream patches review. [1/10] Approved four Alan's patches. # Plan # * ARMv8 tagged pointer support in GDB. * Update my patches to remove the last use of MAX_REGISTER_SIZE. -- Yao Qi

7 years, 9 months

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[ACTIVITY] 20-24 November 2017

by Christophe Lyon

== Progress == * GCC - FDPIC: hitting a linker assert while building gcc target libs * GCC upstream validation: - reported a few regressions, fixed a couple of obvious errors - struggling with ST-internal infrastructure difficulties * Infrastructure: - looking at ABE & building a native toolchain from a manifest * misc (conf-calls, meetings, emails, ....) - became 1 year older :) == Next == * GCC/FDPIC * GCC upstream validation

7 years, 9 months

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[ANNOUNCE] Linaro Binary Toolchain Final Release GCC 5.5-2017.10

by Mark Murray

The Linaro Binary Toolchain ============================ The Linaro GCC 5.5-2017.10 Final Release is now available. Notice: All Linaro GCC 5 series toolchain users should migrate to the latest version of the Linaro GCC 5 toolchain in order to mitigate potential security exposure to CVE-2015-7547. See the NEWS section below for details. Download release packages from: (sources) http://releases.linaro.org/components/toolchain/gcc-linaro/5.5-2017.10/ (binaries) http://releases.linaro.org/components/toolchain/binaries/5.5-2017.10/ Previous snapshots and release-candidates are at: http://snapshots.linaro.org/components/toolchain/binaries/ Previous releases are at: http://releases.linaro.org/components/toolchain/binaries/ A description of the arm and AArch64 target triples can be found at: https://collaborate.linaro.org/display/TCWGPUB/ARM+and+AArch64+Target+Tripl… Host Requirements ================== Linaro officially supports the current and previous Ubuntu LTS releases (as of the time of this release). This does not mean that the toolchain will not work on other/older Linux distributions. See the following for the life-time of Ubuntu LTS releases. https://wiki.ubuntu.com/Releases The host system upon which the cross-compiler will run requires a minimum of glibc 2.14, because of API changes to glibc's memcpy API. https://bugs.linaro.org/show_bug.cgi?id=1869 Package Versions ================= Linaro GCC 5.5-2017.10 http://releases.linaro.org/components/toolchain/gcc-linaro/5.5-2017.10/ Linaro glibc 2.21 (linaro/2.21) https://lists.gnu.org/archive/html/info-gnu/2015-02/msg00001.html Linaro newlib 2.1.0-2014.09 (linaro_newlib-branch) https://sourceware.org/ml/newlib/2013/msg01128.html Linaro binutils 2.25 (users/linaro/binutils-2_25-branch) https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=blob_plain;f=bin… FSF GDB 8.0 (gdb-8.0-branch) https://sourceware.org/ml/gdb-announce/2017/msg00001.html Linaro toolchain package git branches are hosted at: http://git.linaro.org/toolchain NEWS for GCC 5 (as of Linaro GCC 5.5-2017.10) ============================================== * Include Binutils fix for bugzilla #20364: Data-based padding causes current address evaluation to be non-constant on aarch64 https://sourceware.org/bugzilla/show_bug.cgi?id=20364 * Include GCC fix for Linaro bugzilla #2575: ICE: declaration and definition of function with __attribute__((target("thumb"))) and inlined assembler, with debug symbols enabled https://bugs.linaro.org/show_bug.cgi?id=2575 * Include GCC fix for Linaro bugzilla #2575: Internal compiler error using -mtune=cortex-a57.cortex-a53. https://bugs.linaro.org/show_bug.cgi?id=2785 * The soft-float targeted toolchains have now been configured to generate code using -mfloat-abi=soft. This makes arm-linux-gnueabi and armeb-linux-gnueabi toolchains use the “soft” FP ABI instead of “softfp”. Historically, TCWG’s toolchains provided both “soft” and “softfp” multilibs, but when switching from crosstool-ng to cbuildv2/abe (which support a single multilib) “softfp” multilib was choosen. Using “-mfloat-abi=soft” is a better choice for a gnueabi toolchain, since it doesn’t require cores to have a floating-point unit. This change should not break compatibility for toolchain users since the ABI will stay the same. The compiler and glibc libraries will not refernce FP instructions. * Include GCC fix for Linaro bugzilla #2562: ARM GCC 5.2 call weak function instead of strong when called through pointer https://bugs.linaro.org/show_bug.cgi?id=2562 * Include GCC fix for Linaro bugzilla #1925: [regression] FAIL: libgomp.fortran/retval1.f90 -O1 execution test https://bugs.linaro.org/show_bug.cgi?id=1925 * Include GCC fix for Linaro bugzilla #2185: aarch64-linux-gnu-g++ internal compiler error: in curr_insn_transform https://bugs.linaro.org/show_bug.cgi?id=2185 * Backported glibc patch to simplify static malloc interposition [BZ #20432] to correct user identified issue. commit 058b5a41d56b9a8860dede14d97dd443792d064b Author: Florian Weimer Date: Fri Aug 26 22:40:27 2016 +0200 malloc: Simplify static malloc interposition [BZ #20432] * Host binaries for x86_64 linux hosts now have symbols and debug information stripped in order to reduce the size of the toolchain binary archives. This reduces the archive size from 1.1G to 580M for aarch64-linux-gnu target with the gcc-5-branch. * Removed .la files from binary toolchain archive as these files break autotools builds. https://bugs.linaro.org/show_bug.cgi?id=2764 * The mingw toolchains are now archived using the rsync -L option in order to avoid problems with Windows extractors and symbolic links. https://review.linaro.org/#/c/16415/ This resolves the following user bugs: https://bugs.linaro.org/show_bug.cgi?id=2684 https://bugs.linaro.org/show_bug.cgi?id=2192 https://bugs.linaro.org/show_bug.cgi?id=2762 * Copy the libwinpthread DLL into the bin directories so it gets into the tmp directory before tar is run. https://review.linaro.org/#/c/13723/ * Increment binutils release date to 2016_02 to reflect the most recent commit: commit ef90a4718f535cbe6345b4e7168baea7b1972abf Author: Matthew Wahab <matthew.wahab(a)arm.com> Date: Tue Jan 12 16:35:30 2016 +0000 [ARM] Support ARMv8.2 RAS extension. * Baremetal sysroot names now contain 'newlib' rather than 'glibc'. * Manifests now contain relative paths rather than absolute paths. * Now generating proper manifest files. * Fixed pi requeue support in glibc 2.21 while allowing the existing 2.21 minimum kernel default setting. This was checked into the linaro/2.21/master branch. commit a68cafa11c500d8a49a3014c43c5152859d037ae Author: Adhemerval Zanella <adhemerval.zanella(a)linaro.org> Date: Tue May 17 10:16:39 2016 -0300 Add runtime check for __ASSUME_REQUEUE_PI (BZ# 18463) commit 6e5cb616b5b442ce8b2664ad673c0acf42a490ac Author: Adhemerval Zanella <adhemerval.zanella(a)linaro.org> Date: Mon May 16 19:01:10 2016 -0300 Remove __ASSUME_SET_ROBUST_LIST commit 9ac61c0047295696cbcdbc26bdc174c7bd25a3c8 Author: Adhemerval Zanella <adhemerval.zanella(a)linaro.org> Date: Mon May 16 10:35:25 2016 -0300 Remove __ASSUME_FUTEX_LOCK_PI * Backported support into GCC for Cortex-A32, Cortex-A35, and Cortex-R8. * Applied fix for CVE-2015-7547 - A stack-based buffer overflow in glibc's getaddrinfo() was corrected in glibc 2.23 and backported into glibc 2.21. https://sourceware.org/ml/libc-alpha/2016-02/msg00416.html * ARMv8.1 Instruction Support - ARMv8.1 instructions support was checked into GCC and binutils. It has been backported into Linaro GCC 5.3 and Linaro binutils 2.25. * Backported -Bsymbolic-functions into Linaro binutils 2.25. * Performance related backports from Linaro GCC 5.2-2015.11, Linaro GCC 5.2-2015.12, and Linaro GCC 5.3-2016.01-1, Linaro GCC 5.3-2016.02, Linaro GCC 5.3-2016.03, Linaro GCC 5.3-2016.04, Linaro GCC 5.4-2016.06, Linaro GCC 5.4-2016.10, Linaro GCC 5.4-2016.12, Linaro GCC 5.4-2017.02, GCC 5.4-2017.04 and Linaro GCC 5.5-2017.10 have been included. See the following Linaro GCC snapshots: http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.2-2015.11/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.3-2015.12/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.3-2016.01-1/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.3-2016.02 http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.3-2016.03 http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.3-2016.04 http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.4-2016.06 http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.4-2016.10 http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.4-2016.12 http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.4-2017.02 http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.4-2017.04 http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.5-2017.10 Contact Linaro =============== File bugs at http://bugs.linaro.org For Linaro member support see http://support.linaro.org For Linaro community support email linaro-toolchain(a)lists.linaro.org IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.

7 years, 9 months

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[ACTIVITY] 13 - 17 November 2017

by Prathamesh Kulkarni

== This Week == * PR82665 (3/10) - Submitted patch upstream - Blocked on POINTER_DIFF_EXPR patch by Marc Glisse. * PR82808 (1/10) - Submitted another fix but was rejected by Richard. * TCWG-1234 (4/10) - Tried tweaking with register allocator, but to no effect - Trying to think about possible approaches for stage-3 fixes. * Misc (2/10) - Meetings - Managed to get autofdo working == Next Week == - Continue ongoing tasks

7 years, 9 months

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[ACTIVITY] 13-17 November 2017

by Christophe Lyon

== Progress == * GCC - FDPIC: rebased binutils patches, debugging CI loop. * GCC upstream validation: - iterating on qemu/sanitizers problems. Found a bug in arm sanitizer libs, already fixed upstream. Requested a new merge in GCC. - reported a few regressions * Infrastructure: - looking at ABE & building a native toolchain from a manifest * misc (conf-calls, meetings, emails, ....) - started looking at hcqc == Next == * GCC/FDPIC * GCC upstream validation

7 years, 10 months

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[ACTIVITY] Nov 13 -- Nov 17

by Yao Qi

# Progress # * TCWG-1040, [4/10] Update my patches to remove the last use of MAX_REGISTER_SIZE. Get everything in shape. Post my 1/6 patch series. * TCWG-1159, [4/10] GDB flexible target description conversion. Post patch for tic6x, and write the patch for nios2. * ILP32 GDB. [1/10] Chat with Maxim, triage some test failures. * Open GCC PR 83010. AArch64 GCC doesn't generate DW_AT_location for TLS variable. It causes some GDB test failures. CLANG+GOLD can correctly generate DW_AT_location. * Run GDB testsuite with CLANG. [1/10] Post three patches to GDB testsuite to compile test cases with CLANG. # Plan # * TCWG-1125, ARMv8 tagged address support in GDB. -- Yao Qi

7 years, 10 months

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arm-eabi toolchain memcpy using hard float causing unaligned access

by Yupeng Chang

Hi Linaro Team, I'm currently using toolchain gcc-linaro-7.1.1-2017.08-x86_64_arm-eabi.tar.xz <https://releases.linaro.org/components/toolchain/binaries/latest/arm-eabi/g…> to develop my bera-metal programs. My compile option is "-marm -march=armv7-a -mtune=cortex-a9 -mlittle-endian -mfloat-abi=hard -mfpu=neon" I found an issue, when I use memcpy, and if the DEST or SOURCE address is not 4 bytes aligned, the system hangs. It seems that this toolchain doesn't support using hard float and NEON ? My question is does this toolchain support hard float and NEON in the newlib C library? If I want to use hard float and NEON, how can I do that? Your reply is more appreciated!!

7 years, 10 months

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ILP32 toolchain status update

by Maxim Kuvyrkov

Over the last couple of months arm64 community and us have tested various aspects of ILP32 toolchain and, while most of toolchain works as expected, several features are still missing. Most of the work left is on GDB side, especially using LP64 GDB to debug ILP32 applications. 1. [GCC] GCC sanitizers (ASAN, UBSAN) are not supported for ILP32. -- TCWG is working on implementing sanitizer support for ILP32. 2. [GLIBC] LP64 glibc libthread_db does not support ILP32. This causes failures when LP64 GDB is trying to debug ILP32 threaded application. It is expected by users to be able to use LP64 GDB to debug ILP32 applications (LP64 AArch64 GDB can successfully debug AArch32 applications already!). -- Steve, do you plan to work on adding libthread_db support for ILP32? 3. [GDB] Handle ILP32 siginfo layout. Kernel siginfo layout is different between LP64 and ILP32. 4. [GDB] Inferior call passing pointer argument. GDB may need update to handle 32-bit pointer vs 64-bit pointer. 5. Handle shared libraries. GDB needs to read a linked list out of the inferior, and that list is about the libraries loaded already. LP64 and ILP32 may have different layouts. 6. [GDB] GDB resolves ifunc functions, needs to read auxv (HWCAP) from the inferior. auxv is different on LP64 and ILP32. 7. [GDB] Gdbserver support for ILP32. -- Maxim Kuvyrkov www.linaro.org

7 years, 10 months

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