All,
During Connect the suggestion was made that each working group should have
its own IRC Channel for discussions and topics relating to the group in
particular (as opposed to #linaro which is 'generic' Linaro conversations).
Therefore I have just set up #linaro-tcwg on Freenode for the Toolchain
Working Group.
This channel is public and open to anyone who wants to talk with the TCWG
group about anything toolchain related.
Thanks,
Matt
--
Matthew Gretton-Dann
Toolchain Working Group, Linaro
The Linaro Toolchain and Platform Working Groups are pleased to
announce the 2013.07 release of the Linaro Toolchain Binaries, a
pre-built version of Linaro GCC and Linaro GDB that runs on generic
Linux or Windows and targets the glibc Linaro Evaluation Build.
Uses include:
* Cross compiling ARM applications from your laptop
* Remote debugging
* Build the Linux kernel for your board
What's included:
* Linaro GCC 4.8 2013.07-1
* Linaro Newlib 2.0 2013.06
* Linaro Binutils 2.23 2013.06
* Linaro Eglibc 2.17-2013.07-2
* Linaro GDB 7.6 2013.05
* A statically linked gdbserver
* A system root
* Manuals under share/doc/
The system root contains the basic header files and libraries to link
your programs against.
Interesting changes include:
* The sysroot is based on Linaro versions of Eglibc. About details of
Linaro Eglibc, please refer
https://releases.linaro.org/13.07/components/toolchain/eglibc-linaro.
The Linux version is supported on Ubuntu 10.04.3 and 12.04, Debian
6.0.2, Fedora 16, openSUSE 12.1, Red Hat Enterprise Linux Workstation
5.7 and later, and should run on any Linux Standard Base 3.0
compatible distribution. Please see the README about running on x86_64
hosts.
The Windows version is supported on Windows XP Pro SP3, Windows Vista
Business SP2, and Windows 7 Pro SP1.
The binaries and build scripts are available from:
https://launchpad.net/linaro-toolchain-binaries/trunk/2013.07
Need help? Ask a question on https://ask.linaro.org/
Already on Launchpad? Submit a bug at
https://bugs.launchpad.net/linaro-toolchain-binaries
On IRC? See us on #linaro on Freenode.
Other ways that you can contact us or get involved are listed at
https://wiki.linaro.org/GettingInvolved.
Know issues:
* Some version information in README are incorrect.
* gdb can not backtrace into libc.
Notes:
* To use all of the features of Linaro eglibc, the sysroot in 32-bit
toolchain release is updated to Linaro eglibc, which is 2.17. If you
get runtime errors about libc version, please get the sysroot from the
release tarball
(gcc-linaro-arm-linux-gnueabihf-4.8-2013.07-1_linux/arm-linux-gnueabihf/libc/)
or download from launchpad
https://launchpad.net/linaro-toolchain-binaries/support/01/+download/linaro…
If you do not want to use Linaro sysroot, you'd add option to gcc to
find your sysroot:
--sysroot=<directory>
* To run 32-bit application built from arm-linux-gnueabihf toolchain
in aarch64 system, you'd copy sysroot and runtime from release package
to your root of aarch64 system. i,e.
scp -r gcc-linaro-arm-linux-gnueabihf-4.8-2013.07-1_linux/arm-linux-gnueabihf/libc/*
AARCH64-SYSTEM:/
scp -r gcc-linaro-arm-linux-gnueabihf-4.8-2013.07-1_runtime/* AARCH64-SYSTEM:/
Just before having to rename it to 2014, the Linaro Toolchain and Builds
and Baselines Working Groups are pleased to announce the 2013.12 release of
the Linaro Toolchain Binaries, a pre-built version of Linaro GCC and Linaro
GDB that runs on generic Linux or Windows and targets the glibc Linaro
Evaluation Build.
Uses include:
* Cross compiling ARM applications from your laptop
* Remote debugging
* Build the Linux kernel for your board
What's included:
* Linaro GCC 4.8 2013.12
* Linaro GDB 7.6.1 2013.12
* Linaro Binutils 2.24 2013.12
* A statically linked gdbserver
* A system root
* Manuals under share/doc/
The system root contains the basic header files and libraries to link your
programs against.
Interesting changes include:
* Binutils has been updated to 2.24, bringing many improvements
* Various bugs have been fixed
The Linux version is supported on Ubuntu 10.04.3 and 12.04, Debian 6.0.2,
Fedora 16, openSUSE 12.1, Red Hat Enterprise Linux Workstation 5.7 and
later, and should run on any Linux Standard Base 3.0 compatible
distribution. Please see the README about running on x86_64 hosts.
The Windows version is supported on Windows XP Pro SP3, Windows Vista
Business SP2, and Windows 7 Pro SP1.
The binaries and build scripts are available from:
https://releases.linaro.org/13.10/components/toolchain/binaries/
Need help? Ask a question on https://ask.linaro.org/
Already on Launchpad? Submit a bug at
https://bugs.launchpad.net/linaro-toolchain-binaries
On IRC? See us on #linaro on Freenode.
Other ways that you can contact us or get involved are listed at
https://wiki.linaro.org/GettingInvolved.
== Progress ==
* Pointer mangling Aarch64 glibc.
Posted patch on pointer mangling. Worked on review comments from maintainer.
Tested on V8 foundation model.
== Plan ==
- Continue working on review comments for Pointer Guard support in
Aarch64 glibc,
- Continue Cbuildv2.
- Investigate PGO for Aarch64.
== Issues ==
Waiting for feedback on libssp machine descriptions changes.
== Issues ==
* None
== Progress ==
* One day off (Dec. 27).
* Prepare toolchain binaries release
- Backport the newlib patches for ftruncate() and truncate() stubs
- Test and update binutils version to linaro-2.24-2013.12 and
workaround gold compile fail issue.
* Retest -fira-loop-pressure performance on cortex-m4. But get
regression in several suites of eembc-v1. Will re-investigate it when
aarch64 performance test is ready since it is enabled in ia64 and
rs6000, and the comment says:
/* Numerous experiment shows that IRA based loop pressure
calculation works better for RTL loop invariant motion on targets
with enough (>= 32) registers. It is an expensive optimization.
So it is on only for peak performance. */
* R/M toolchain related work.
== Plan ==
* Linaro toolchain binaries 2013.12 release
== Progress ==
* ARM Process Record made the changes pointed out in maintainers
comments. [3/10] [TCWG-336] [TCWG-338] [TCWG-339]
- Put the new bug fixes patches on hold as they can be sent in the
same series.[TCWG-317] [TCWG-315]
* Time off for setting up new office space. [4/10]
- Found a good room for office in a central location, need to get
internet and other stuff working before shifting. I will get started
on that once I get the possession of the space next week.
* Time off for Macau visa information [1/10]
* 25th December Public Holiday [2/10]
== Plan ==
* ARM Process Record:
- Create new patches as per maintainers suggestions, incorporating bug
fixes as separate patches in the list.
- Test and send all patches upstream.
* New office space setup, will be away from my desk for few hours.
Hi,
seen in a segfault running the tests in the coinor-osi package,
https://launchpad.net/bugs/1263576, both in saucy and trusty, version 0.106.4
and 0.106.5. Version 0.103 doesn't show the issue.
both the 4.7 and 4.8 linaro branches show this behaviour, and trunk 20131121
(didn't build a newer one yet).
William Grant tracked that down to a bug with very negative vcall_offsets in
aarch64 multiple inheritance thunks. The example below has two consecutive
thunks, with the second adding 263 instead of subtracting 264.
aarch64_build_constant seems to not handle negative integers. He tried a quick
gcc patch to avoid using aarch64_build_constant, and the coinor-osi tests succeed.
0000000000401ca4 <_ZTv0_n256_N1C2adEv>:
401ca4: f9400010 ldr x16, [x0]
401ca8: f8500211 ldr x17, [x16,#-256]
401cac: 8b110000 add x0, x0, x17
401cb0: 17fffff9 b 401c94 <_ZN1C2adEv>
[...]
0000000000401cc4 <_ZTv0_n264_N1C2aeEv>:
401cc4: f9400010 ldr x16, [x0]
401cc8: d28020f1 mov x17, #0x107 // #263
401ccc: f8716a11 ldr x17, [x16,x17]
401cd0: 8b110000 add x0, x0, x17
401cd4: 17fffff8 b 401cb4 <_ZN1C2aeEv>
Any chance for a quick 2013 review?
Thanks, Matthias
--- a/gcc/config/aarch64/aarch64.c
+++ b/gcc/config/aarch64/aarch64.c
@@ -2540,8 +2540,8 @@
addr = plus_constant (Pmode, temp0, vcall_offset);
else
{
- aarch64_build_constant (IP1_REGNUM, vcall_offset);
- addr = gen_rtx_PLUS (Pmode, temp0, temp1);
+ aarch64_add_constant (IP0_REGNUM, IP1_REGNUM, vcall_offset);
+ addr = temp0;
}
aarch64_emit_move (temp1, gen_rtx_MEM (Pmode,addr));
== Progress ==
* Lots of little changes to the Jenkins configure files and
Cbuildv2 so Jenkins can do a builds in a 32 bit chroot. (4/10)
* Misc - meetings and misc tasks (2/10).
* Helped with binutils & GCC releases. 4/10)
* New Arndale Octa arrived.
== Plan ==
* Get back to adding the neon intrinsics tests to the GCC
testsuite.
* More Jenkins hacking for 32bit chroot builds.
* More hacking on binary release automation.
* Review Kugan's benchmarking support in Cbuildv2.
== Issues ==
* Loosing ssh access to many of the machines we work on is a
problem...
== Leave ==
* A bit complicated. On the road till Jan 13, offline some, mixed with
some work days depending on the weather. Should have email
access most nights.
Hi All,
I am getting a weird error while building binutils from
http://cbuild.validation.linaro.org/snapshots/Latest/binutils-linaro-2.23.2…
GCC version gcc version 4.8.1 (Ubuntu/Linaro 4.8.1-10ubuntu9)
Ubuntu 13.10
Steps:
1)
/work/sources/binutils/configure --target=aarch64-unknown-linux-gnu
--prefix=/work/builds/gcc-fsf-trunk/tools
--with-sysroot=/work/builds/gcc-fsf-trunk/sysroot-aarch64-unknown-linux-gnu
2)
make
(Snip)
gcc -c -DHAVE_CONFIG_H -g -O2 -I.
-I/work/sources/binutils/libiberty/../include -W -Wall
-Wwrite-strings -Wc++-compat -Wstrict-prototypes -pedantic
/work/sources/binutils/libiberty/regex.c -o regex.o
In file included from /work/sources/binutils/libiberty/regex.c:128:0:
/usr/include/stdlib.h:510:35: error: expected ‘,’ or ‘;’ before
‘__attribute_alloc_size__’
__THROW __attribute_malloc__ __attribute_alloc_size__ ((2)) __wur;
^
make[2]: *** [regex.o] Error 1
make[2]: Leaving directory
`/work/builds/gcc-fsf-trunk/obj-aarch64-unknown-linux-gnu/binutils/libiberty'
(Snip)
Can anyone point me what is going wrong here.
regards,
Venkat,
