to get rid of pending
builds until the fix.
# Plan #
* Review Alan H.'s patches.
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* 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.
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. Done.
* Misc, patches review, meeting. [1/5]
# Plan #
* One day off on Monday,
* PR 22531,
* Resume my pending patches on removing MAX_REGISTER_SIZE.
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tches 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,
--
Y
B 8.1 is released! Bump up GDB version in Linaro toolchain.
* PR 22531,
* Resume my pending patches on removing MAX_REGISTER_SIZE.
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CWG-1040, SVE patches review. [1/5]
Review Alan's patches.
# Plan #
* PR 22531, upstream preparatory patches,
* Write patch series v2 for TCWG-1292.
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.
* 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.
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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.
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= 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.
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l
.
* Misc, [5/10]
Two days travel to Manchester.
# Plan #
* GDB 8.1 release. Fix regressions.
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. Fixed.
* Misc, [3/10]
# Plan #
* GDB 8.1 release, testing for ARM and AArch64.
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l 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.
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ed pointer support in GDB.
* Update my patches to remove the last use of MAX_REGISTER_SIZE.
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te to compile test cases with CLANG.
# Plan #
* TCWG-1125, ARMv8 tagged address support in GDB.
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o, and
we've already created a branch carrying these two patches. According to
the test results sent from Steve, the patches don't reach the bar to merge
them, so some one still has to improve them, and get them merged.
It is a separate discussion about who will do
env. I got
gdb.sum from Steve on 18 Oct. You are on the cc as well. All my analysis
is based on that gdb.sum.
> Anyways I did not see some of those failures listed below when using the
> correct setup.
OK, can you send me a gdb.sum?
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FAIL: gdb.base/gnu-ifunc.exp: p gnu_ifunc executing
FAIL: gdb.base/gnu-ifunc.exp: info sym gnu_ifunc executing
FAIL: gdb.base/gnu-ifunc.exp: info sym
>
>>7. [GDB] Gdbserver support for ILP32.
> The change to aarch64_linux_read_description fixes that.
>
That is not enough, GDBserv
/10]
# Plan #
* TCWG-1040, TCWG-1125.
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armv7
is different, because neon is optional, so you need an option to enable it.
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kernel returns something different for aarch64 process and aarch32
process, to order to be backward compatible. That is why your apps
get different cpuinfo on the same kernel.
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branch. [1/10]
Branch is created! Done.
* Misc, meeting, [1/10]
# Plan #
* Update my patches to remove the last use of MAX_REGISTER_SIZE.
* GDB flexible target description conversion. Upstream patches.
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ranch.
* ARMv8 tagged address support in GDB.
* Update my patches to remove the last use of MAX_REGISTER_SIZE.
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description between GDB and GDBserver. Done.
* File Linaro Connect expense, and misc. [2/10]
# Plan #
* On holiday, Mon - Thu.
* Either GDB target description work,or ILP32 GDB branch.
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_SIZE. Still ongoing.
* Misc, [5/10]
** File cauldron expense.
** Improve gdb_mbuild.sh to build GDB for different supported targets.
# Plan #
* Connect.
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/20]
# Plan #
* Prepare a prototype about regcache, and compare with Alan's
implementation.
* Continue my target description work, for other non-actively-maintained
target descriptions.
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. [2/20]
* Misc [3/20]
# Plan #
* Finish my Cauldron presentation,
* Commit my target description v4 patches, if time allows,
* Off on Wed, and fly to Prague. Back to office on 14th Sep.
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.
* TCWG-1159, rebase my GDB target description patches, and post v4.
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]
** Review some memory leaks fixes.
** One patch about armv8.3 pointer authentication.
Next week:
* On holiday, and back on Thu.
* TCWG-1162, triage the aarch64-elf GDB test result with QEMU.
* TCWG-1159, rebase my GDB target description patches, and post v4.
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issues because I don't have the env
to reproduce them.
* Misc, [1/10]
# Plan #
* TCWG-1162, Test GDB+OpenOCD with AArch64 boards.
Post my newlib patches upstream, and continue to test with
QEMU and OpenOCD respectively.
* TCWG-1159, New design of GDB/GDBserver target description
--
On 28 July 2017 at 18:21, Yao Qi wrote:
>
> # Plan #
>
> * Mon and Tue off.
My holiday plan is changed, due to some unexpected things. I am back
to work.
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move assignment and move constructor. Finish the code, and
testing the patches.
* Send my GDB target description talk abstract to Linaro SFO17.
* Misc [1/10]
# Plan #
* Mon and Tue off.
* TCWG-561, TCWG-1159.
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out presenting GDB target description work in Linaro SFO17,
may add some SVE stuff if possible, to make it more attractive.
# Plan #
* TCWG-1159,
* PR 21717, 21555,
* TCWG-561,
* Register the presentation for Linaro SFO17,
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ssembler,
because my disassembler rework breaks MIPS.
# Plan #
* PR 21555,
* TCWG-1159
* TCWG-561,
# Issue #
* TCWG-1162 is blocked by OpenOCD bugs.
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is my limit, and wonder how does other
people manage large patch series.
* Help people runing GDB tests, and get some fails. It turns out we
encounter PR 21555. [1/10]
* Misc, [2/10]
# Plan #
* TCWG-1159
* PR 21555
* TCWG-561,
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l
information.
** Figure out the Cauldron flight.
* Misc, meeting, [2/10].
# Plan #
* TCWG-1159, patch v3.
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of C++. Need to replace some std::vector
with my vector with stack_allocator in GDB. It should be also useful
to Alan.
# Plan #
* TCWG-1159, send v3.
* TCWG-561, Handle unavailable memory during frame unwinding.
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ilers
to build GDB.
** Review IBM's kernel-awareness v4 patches.
* Misc, [2/10].
# Plan #
Get chance to back to my interrupted works:
* TCWG-333, Fix gdb.base/func-ptrs.exp fails in thumb mode.
* TCWG-561, Handle unavailable memory during frame unwinding.
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_
Misc, [2/10]
** Follow up the OpenOCD work. Create two epics for the following
work.
** Meetings.
# Plan #
* Post my target descriptions changes upstreams.
* Post some leftover patches about GDB and OBJDUMP disassembler
unification.
--
Y
, and back to office on 6th June.
* Post RFC v2 on GDB target description changes.
* Upstream the patches of clean up to gdb and objdump disassembler
unification.
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https
and ask to ping to IBM to update their patches.
# Plan #
* Continue the GDB target description change discussions.
* Push my approved patches.
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, which unify the disassembler
selection in both gdb and objdump.
* Back to the work on handling function pointer assignment in thumb
mode. TCWG-333.
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DB patches.
# Plan #
* Finish the doc about GDB target description changes for SVE, and
send it to Alan.
* Upstream my patches about unit test to value/register conversion
gdbarch hooks.
* Upstream my GDB disassembler patch, which unify the disassembler
selection in both gdb and objdump.
erver side (which is harder).
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ation process.
# Plan #
* Finish my unit test and post them for review (with regcache C++-fy
patch).
* Other issues on 8.0 release if any.
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about the expected behavior. Will do next week.
# Plan #
* Mon and Tue off.
* Figure out more ways to test code touched by SVE patches. Convert
regcache to class if necessary.
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Plan ~
* More remote tests for GDB 8.0 release.
* SVE patches review, and start to think about GDB target description
changes for SVE.
* Public holiday on Friday and next Monday.
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* One day off on Thu.
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more about different RTOSes. [1/10]
* TCWG-1040, SVE patches review, [2/10]
* Misc, [1/10]
~ Plan ~
* Take a look at native ARM testing, and cross testing.
* Post my fix to thread_info refcount issue.
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.
* Review IBM linux kernel awareness patches.
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27;s patch is correct.
* Upstream patches review. [2/10]
** Some python bindings on intel btrace. Make it more portable,
hopefully these python apis can be used for CoreSight in the
future.
~ Plan ~
* Linaro Connect.
* March 13th -- 15th, holiday.
big-endian patch.
** Python event before_prompt patch.
* Off on Thur and Fri. [4/10]
~ Plan ~
* Go to London again on Tue for Schengen visa.
* Back to GDB work, think about SVE GDB patches,
8.0 release, etc.
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re the code.
* Go to London for visa application on Friday.
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gging patches.
* Set up AArch64 bare debugging with GDB, OpenOCD, JTAG and
HiKey. Soldering is needed.
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kernel debugging patches.
* Set up AArch64 bare debugging with GDB, OpenOCD, JTAG and
HiKey. Soldering is needed.
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explained to them why Linaro focused on cortex-a
devices so far.
* Linaro Connect. [1/10]
Register the connect, book flight and hotel.
~ Plan ~
* TCWG-984 and TCWG-333
* Carefully read Dave M's SVE user space VL control API.
* Carefully read IBM's kernel debugging patches.
arget descriptions, and post my comments upstreams. Hack
GDBserver to get SVE on normal juno board. Need more time to think
about how to move on.
** Review sparc target descriptions.
** 7.12.1 release discussion.
~ Plan ~
* PR 20939, PR 20977.
* On Holiday from Wed.
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~
* TCWG-984, Post the RFC and list three approaches fixing this problem.
* TCWG-333
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,
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o new GDB ports, RISC-V and OpenRISC.
** Chat with Antoine on ptrace atomicity, and insist that he should
refactor 'struct tracepoint' before add arm-linux tracepoint
support.
# Plan #
* TCWG-333
* TCWG-416
* TCWG-965
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Intel's fortran patch until a bug we found in gfortran is
confirmed.
# Plan #
* TCWG-923,
* Training from Tue to Friday.
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OpenOCD reads DSPSR (32-bit), so don't have to
update GDB target description now.
* Short chat with Peter Griffin on thread ids in linux-kthread.
# Plan #
TCWG-547, TCWG-333.
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On 4 November 2016 at 17:01, Yao Qi wrote:
> * Maintain upstream GDB, patches review, [2/10]
Forgot this one.
** Get the GDB test coverage on x86_64 and aarch64. Line coverage is
60%+, better than my expectation. Some followup are needed later.
http://people.linaro.org/~yao.qi/
little bit. [1/10]
* Discuss with OpenOCD people on supporting thread awareness for
RTOS. [1/10]
* Misc, meeting. [1/10]
# Plan #
* TCWG-333, TCWG-547
* Add new aarch64 target description for 64-bit xPSR.
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ow to help to get these patches merged.
* Misc, [2/10]
Meeting, and various discussions.
# Plan #
* Continue all above.
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.
** Read "C++ Primer". Need more knowledge on C++.
# Plan #
* Other thing on OpenOCD,
* TCWG-167, TCWG-416,
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, and patches review. [1/10].
All blocking issues are gone. 7.12 should be released soon.
* Clean up arm xml files. Done. [3/10]
* Misc, meetings. [1/10]
# Plan #
* TCWG-333, TCWG-556.
* As 7.12 goes out, ping my pending patches on TCWG-518, and TCWG-547
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l.
# Plan #
* Linaro Connect.
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for the US travel.
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it
http://lists.infradead.org/pipermail/linux-arm-kernel/2016-September/453289.html
[1/10]
* Think about the GDB plan, and write down a list of things I need to
do. [1/10]
# Plan #
* TCWG-685, TCWG-518.
* GNU Cauldron.
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t might be a GDB bug
or kernel bug.
# Plan #
* Resume works interrupted by 7.12 release.
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ilures, so I look at it. prelink
isn't active, because I can't see any mails in archive since 2013.
ARM is supported, but AArch64 isn't.
* Misc, [1/10].
Set up email 2fa.
# Plan #
* GDB 7.12 release.
* Upgrade the linux kernel on my juno board.
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___
0]
# Plan #
* TCWG-685, GDB 7.12 release.
Build recent native armhf toolchain, and test gdb 7.12 with it.
Bug fixes if needed.
* Off on Wed and Thu.
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# Progress #
* TCWG-685, GDB 7.12 release. [5/10]
Release branch is created. Finished the test and triage for aarch64
native.
Tests are good. Two patches are committed. Running regression tests
for cross for arm and aarch64.
Upgrade the native compiler to gcc mainline, and run aarch
* Off on Tue and Wed [4/10]
# Progress #
* TCWG-655, workaround ARM linux kernel ptrace bug on setting VFP
registers. Pedro isn't happy about the workaround, and inclined to
upgrade kernel.
* TCWG-685, GDB 7.12 release. [4/10]
Fix a bug on threads are disappeared when gdb detach. GDB g
# Progress #
* TCWG-518, ARM range stepping patches. [2/10]
The last one is approved, and all patches are committed! Need to
enable range stepping and collect the performance data. Range
stepping should speed up remote debugging.
* TCWG-655, Workaround ARM linux kernel ptrace bug on set
* On holiday [6/20]
# Progress #
* TCWG-655, Workaround ARM linux kernel ptrace bug. [2/20]
After the discussion, patch is posted. Pedro is on holiday, so the
patch is pending there for review.
* TCWG-518, ARM range stepping patches. [3/20]
The last "to-be-approved" patch is posted. Pe
# Progress #
* TCWG-655, Workaround ARM linux kernel ptrace bug on setting VFP
registers. [2/10]
Think about different approaches to workaround the kernel bug, but
can't work unfortunately. Propose an approach that workaround it in
gdb testing by setting affinity if the kernel is known
# Progress #
* TCWG-333, ISA bit treatment in ARM thumb mode.
Got some comments from Maciej (MIPS) and need to address them.
* TCWG-518, ARM range stepping patches. [2/10]
Combine the path of "proceed" and "resume" so that we only change one
place instead of two to support range stepping.
# Progress #
* TCWG-333, ISA bit treatment in ARM thumb mode. [2/10]
Post a patch to skip the test for thumb mode. Finish the prototype
which shows many issues that I can't overcome. Convince myself that
we should skip the test rather than support that in GDB.
* TCWG-518, ARM range step
* One day off on Thu [2/10]
# Progress #
* TCWG-639, non-8-byte-aligned watchpoint is missed on aarch64. [4/10].
It is caused by limited kernel BAS support. RedHat reports this
problem and posts a patch. Good to see they start to contribute to
aarch64 GDB, but I don't like the patch. Sp
* Off on Friday [2/10]
# Progress #
* TCWG-518, V1 got reviewed, and working on V2. Two existing bugs in
GDBserver are found, and fixed. Testing them... [4/10]
* Upstream patches review, all of them are about GDB python. [2/10]
* Respond to Jim Wilson's question on AIX GDB build failure
# Progress #
* TCWG-518, [6/10]
fix all bugs, and post them upstreams for review!
* PR 19998, write a patch to fix it. [2/10]
* Some discussions on unstable GDB test results in validation tests.
[1/10]
* Meetings [1/10]
# Plan #
* Respond comments to my patches,
* TCWG-333, think about
* Monday off [2/10]
# Progress #
* TCWG-518, arm linux range stepping patches. [5/10]
Tried different ways to manage breakpoints, but the program still
gets SIGILL from time to time. Post my WIP patches upstream to see
if people have some ideas on this.
* TCWG-547, [1/10].
Try two app
# Progress #
* TCWG-518, range stepping on arm-linux. Rebase my patches, and choose
a different approach which is better. However, GDBserver crashes in
some cases, and I am investigating the crash. [5/10]
* TCWG-547, make some progress on the upstream discussion. We agree to
do it in a
# Progress #
* TCWG-545, patches are committed. Done. [3/10]
* TCWG-167, ARM reverse debugging bug fixes. All test fails are
fixed. Done. [2/10].
* PR 19947. The fix is approved, but the patch triggering the bug
needs update. [2/10]
* Help to fix broken ARM GDB after C++ switch. [2/10
# Progress #
* TCWG-545, 7 patches are approved, and 1 patch needs update, which
needs the change somewhere else. [3/10]
* TCWG-547, patch is pending. Pinged Pedro on IRC, to be reviewed, but
no response.
* TCWG-167, [3/10]. ARM reverse debugging fixes. Post one patch to fix
test case.
# Progress #
* TCWG-167, ARM reverse debugging bug fixes. [4/10]
Four patches are committed. All FAILs are fixed if test case is
compiled with -fomit-frame-pointer. Some FAILs when
-fno-omit-frame-pointer are caused by epilogue unwinder doesn't parse
epilogue correctly if FP is involve
* Monday off [2/10]
# Progress #
* TCWG-167, ARM reverse debugging bug fixes. [4/10]
Two patches are posted. Two patches are being tested. They fix
207 FAILs (242 -> 35) in gdb.reverse.
* TCWG-545, no progress, patches are pending for review.
* TCWG-547, [2/10]. Write a patch as Pedro su
# Progress #
* TCWG-532, done. [1/10]
Canonicalize ARM syscall patch is committed.
* TCWG-167, patch is posted for review. [4/10]
Add ARM epilogue unwinder in GDB, which fixes many gdb.reverse test
fails.
* TCWG-545, V2 are posted. [1/10]
* TCWG-547, [2/10] patches are reviewed, almost OK
* Sick on Monday [2/10]
# Progress #
* AArch64/ARM linux syscall for process record. [2/10] TCWG-532
ARM patch (fixing the register for syscall arg pass) is committed.
Canonicalize ARM syscall patch is posted for review.
* Support range stepping on arm-linux. [4/10] TCWG-545
Preparatory
# Progress #
* TCWG-545, Handle "branch-to-self" instruction in single stepping.
[5/10] Patches are posted upstream for review.
* TCWG-532, one patch is committed and one patch is posted for review.
[2/10]
* Tweak ARM process record. [2/10]
Two patches are pushed in. Many test fails are f
# Progress #
* Support range stepping on arm-linux. TCWG-518. [5/10]
Post patch series about "the thread is stepping over breakpoint but
it spawns child thread". The fix is OK but the test case changes are
being reviewed.
The more I test my range stepping patches, the more existing bug
# Progress #
* Support range stepping on arm-linux. TCWG-518. [4/10]
My patches causes some regressions but my patches just expose the
existing problem in GDBserver. Fix them and post patches upstream.
* Linaro connect. [2/10]
Go to London for visa application.
* GDB 7.11 release. No i
# Progress #
* Support range stepping on arm-linux. TCWG-518. [4/10]
Preparatory patches are pushed in. Patches are being tested.
* Linaro connect. [3/10]
** Slides are done.
** Collect documents for visa application.
* GDB 7.11 release. TCWG-509. [1/10]
Release branch is created. Di
* Off from Mon. to Wed. [6/10]
# Progress #
* TCWG-518. Support range stepping on arm-linux. Ongoing. [2/10]
First do software single step in GDBserver side.
* TCWG-509. GDB 7.11 release. [1/10]
PR 19474, review Keith's patch. The patch is OK to mainline, but we
don't want to take ris
# Progress #
In general, GDB mainline is in a good state. All known bugs are fixed,
but still have some patches pending for review. The release can be
created after these pending patches are in.
* Fix fail in gdb.base/interrupt-noterm.exp. TCWG-517. Done. [2/10]
* Fix fail in gdb.fortran/vl
# Progress #
* Fix the arm software single step regression. [3/10]. Done.
* TCWG-503 Done.
* TCWG-491, have a patch to avoid GDB crash. Patch is pending for
review.
* TCWG-517. [2/10]
Fix fail in gdb.base/interrupt-noterm.exp. Patch is posted.
* TCWG-514. [3/10]
Fix new fails in foll-
# Progress #
* Estimate the effort of GDB kernel-awareness work. Give comments
on formal slides. [1/10]
* GDB inserts breakpoints on the wrong place if these files'
basename is the same. TCWG-491. At least, post a patch to avoid
GDB crash. Reproduced with a simpler case, open PR 19474.
# Progress #
* Handle input interrupt in GDB. TCWG-424. Done. [3/10]
Need to update GDB manual to clarify the expected behaviour of GDB.
* Estimate the effort of GDB kernel-awareness work. Done. [1/10]
* TCWG-491. Ongoing. [2/10]. Understand symbol handling
in GDB.
* Various patch rev
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