linaro-toolchain

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5599 discussions

Linaro arm-linux-gnueabihf-gdb versus Ubuntu gdb-multiarch

by ssinfod ssinfod

Hello, I'm trying to perform cross platform remote debugging from my x86 computer to a remote ARM device. (ex: Beagle Bone Black) I'm using Ubuntu 14.04 and Eclipse CDT. I installed the Ubuntu package gcc-arm-linux-gnueabihf but the gdb debugger is not in that package. Therefore, I'm wondering if I should use the Linaro toolchain (which include arm-linux-gnueabihf-gdb) or if I should install the Ubuntu gdb-multiarch package. What is the difference between gdb-multiarch and arm-linux-gnueabihf-gdb ? Is it better to use gdb-multiarch ? Thanks ssinfod

10 years, 10 months

[ACTIVITY] 4 - 8 August 2014

by Omair Javaid

== Progress == BeagleBoard and Pandaboard setup for gdb testing [3/10] * Deployed debian linux on both boards * Installation of required packages for gdb testing * Run gdb native tests on Beagleboard, Pandaboard and Chromebook Arm gdb record-replay bug fix [6/10] [TCWG-314] * Applied previous asimd and vfp patches and test for failures * Fixed exception due to a bug in previous patches with latest trunk. * Fixed issues with solib trampoline code when stepping in reverse. Miscellaneous [1/10] * In pursuit of deploying linux on boards dd,ed my hard drive by accident and spent some time re-installing my desktop. == Plan == Arm record-replay bug fix [TCWG-314] * Test bug fixes with all previous patches and resubmit. Update and Submit Aarch64 record replay patches. Resume work on Aarch64 prologue analysis.

10 years, 10 months

[ACTIVITY] 4th - 8th August 2014

by Bernie Ogden

=Progress= cbuild2 benchmarking- TCWG-360 [6/10] * Existed patches tidied up and gerritified * A few drive-by bugfixes * Cross-building support added and also gerritified lowlevellock patch [1/10] * Resubmitted bugfix, reacted to review * Some wrestling with space-mangling evil in mail clients Meetings/mail/etc [3/10] =Plan= Holiday Tuesday afternoon cbuild2 benchmarking * Get remote targets working * Maybe look at results gathering

10 years, 10 months

[Weekly] 04-08 AUG 2014

by Michael Collison

== This week == * Linaro bugzilla 331 - [4.9 Regression] ICE in final_scan_insn, at final.c:2952 [4/10] - Triaged and investigating * Linaro bugzilla 307 - [Linaro 4.8] ICE in change_address_1, at emit-rtl.c:2019 [1/10] - Unable to validate. Further investigation before closing * TCWG-515 - Neon intrinsic bug testing [5/10] - Linaro Infrastructure headaches and setup. - May split into several blueprints targeting two to three tests - Require assistance debugging DejaGnu script error preventing some tests from running == Next week == - Continue with Neon intrinsic testing - Continue investigation into resolution for Linaro bugzilla 331

10 years, 10 months

[ACTIVITY] Aug 4-10

by Rob Savoye

== Progress == * Fixed aarch64_be-none-elf builds and cross tests. (2/10) * Forked ancient RSH support in DejaGnu to be more SSH aware. SSH is now takes 1/4 of the time it used to for each remote execution test case. (TCWG 512 - 4/10) * Stabilized new ZSSH protocol in DejaGnu, also much faster than the current RSH/SSH support. (TCWG 512 - 3/10) * Meetings and Misc. (1/10) == Plan == * Get my D01 board working finally, since I killed my Odroid U2. * Review benchmarking patches. * Do more thorough testing of SSH performance improvements.

10 years, 10 months

[ACTIVITY] 4 August - 8 August 2014

by Venkataramanan Kumar

== Progress == * TCWG-180 Debugging - LTO bootstrap failure in Aarch64 with GCC 4.9. (6/10) Tried to recompile object files that showed differences in GCC trunk on amd64 machine.It turned out that GCC make system always builds LTO files in “gcc” directory and uses prev-gcc/xg++ to build them. No differences when building stage2 and stage3 objects under same directory “gcc” in FSF trunk. Doing the same experiment with gcc 4.9 branch shows failure both in x86_64 and aarch64. Communicated the issue to Richard Beiner. Got some feedback on debugging from Honza and Richard. Tried passing –save-temps to BOOT_CFLAGS using FSF trunk, getting assembler errors. Need to come back to this problem after finding root cause. Read about LTO passes and wpa (partitioned ) vs non portioned mode. * Others (2/10) * Upstream patch review. * 1-1 Meeting Christophe. * Misc and internal meeting. * setup LLVM. * Friday off (2/10). == Plan == * Continue LTO bootstrap issue. * Benchmark Core mark with LTO. * Upstream patch review. == MISC == * National holiday on 15th August .

10 years, 10 months

[ACTIVITY] 4 - 8 August 2014

by Kugan

== Progress == TCWG-445 - AArch64 does not generate post-decrement stores. * Issue resolved with Jiong's prologue/epilogue patch committed to trunk. * Closed the card. TCWG-291 - Zero/sign extensions (5/10) * More review and posted patch based on that which was accepted * Ran full set of validation (including s390x, aarch64 be, x86 and arm) * Committed two outstanding patches * Closed the card. TCWG-413 - Release benchmarking (2/10) * Benchmarking or release for a15 and a57 TCWG-468: Sha1 regress (2/10) * Experimented with back-end patterns. Not much improvement for the test-case. - Misc (1/10) * Looked at gcc bugs and closed old ones. * Posted test-case patch. == Plan == - Sha1 regressions - Fixing assigned Bugs

10 years, 10 months

[ACTIVITY] Week 32

by Zhenqiang Chen

== Issue == * None. == Progress == * Refine and send the patch to fix pr61225 in Combine pass for review (2/10). * Send out the ARM backend patch to keep some constant in register (TCWG-486, 2/10). * Rebase and test ccmp related patches (TCWG-488, 2/10). * R/M toolchain related work (4/10). == Plans == * Ping pending patches. == Planed leaves == * Aug. 18 - 26.

10 years, 10 months

[ACTIVITY] Week 32

by Renato Golin

* Benchmarks (CARD-716 3/10) - Working on Linaro's SPEC scripts for LLVM - Running SPEC2000 INT/FP (C/C++ only) on both ARMv7 and AArch64 - Re-writing some EEMBC scripts to be more stable - EEMBC reported some regressions from 3.4.2 - But still same when compared with GCC 4.8 (all in Jira) * Toolchain (CARD-862 3/10) - Fixing bugs in the assembler/libc++abi - http://llvm.org/PR20529 - http://llvm.org/PR20025 - Investigating other bugs in the assembler - http://llvm.org/PR18926 - http://llvm.org/PR20422 * LLVM 3.5 Release (TCWG-476 1/10) - Building and testing release candidate 2 * Background (3/10) - Code review, meetings, discussions, etc. - Buildbot failures - Plan for 2014 H2 - Basic LLD AArch64 support landed upstream == Plan == * Take actual holidays * Work on more assembler fixes * Finish SPEC runs, hopefully test last release candidate * Have a look at the bots, libraries, CMake, NEON, etc

10 years, 10 months

[ACTIVITY] 4 - 8 August 2014

by Will Newton

== Progress == * Upstream work (2/10, CARD-341) - Patch review - Submitted a fix for armeb-eabi configurations of binutils - Tested and removed aarch64 lowlevellock.h - Tidied up glibc patchwork * Rewrote src-release as a shell script (4/10, TCWG-487) - Allows building releases as xz - 80% less evil than existing makefile * Booting upstream kernel on Chromebook (2/10) - Kernel configured and built - I think I have a plan... * Off Wednesday (2/10) == Issues == * None == Plan == * Upstream kernel on Chromebook * malloc app benchmarks * Potentially glibc 2.20 release week -- Will Newton Toolchain Working Group, Linaro

10 years, 10 months

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