https://bugs.kde.org/show_bug.cgi?id=386945
--- Comment #49 from Mark Wielaard ---
We did discuss this a bit more on irc (#valgrind irc.freenode.net) and there
are a couple more issues that need to be resolved to make all this work
correctly.
lxvd2x and lxvb16x have a similar issue where
https://bugs.kde.org/show_bug.cgi?id=401742
Mark Wielaard changed:
What|Removed |Added
CC||m...@klomp.org
--- Comment #11 from Mark
https://bugs.kde.org/show_bug.cgi?id=401719
Mark Wielaard changed:
What|Removed |Added
CC||m...@klomp.org
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https://bugs.kde.org/show_bug.cgi?id=401627
Mark Wielaard changed:
What|Removed |Added
Status|REPORTED|ASSIGNED
Ever confirmed|0
https://bugs.kde.org/show_bug.cgi?id=401627
Bug ID: 401627
Summary: memcheck errors with glibc avx2 optimized wcsncmp
Product: valgrind
Version: unspecified
Platform: Other
URL:
https://bugs.kde.org/show_bug.cgi?id=386945
--- Comment #45 from Mark Wielaard ---
Unfortunately even with the ldbrx patch (which seems an OK improvement in
itself) we still have some issues.
ldbrx is also used on unaligned addresses. In which case even
--partial-loads-ok=yes doesn't help us
https://bugs.kde.org/show_bug.cgi?id=386945
Mark Wielaard changed:
What|Removed |Added
Attachment #116586|0 |1
is obsolete
https://bugs.kde.org/show_bug.cgi?id=386945
--- Comment #43 from Mark Wielaard ---
Created attachment 116586
--> https://bugs.kde.org/attachment.cgi?id=116586=edit
PPC Iop_Reverse8sIn64_x1 implementation
This compiles and runs, but hasn't been tested at all (combine with the patch
in comm
https://bugs.kde.org/show_bug.cgi?id=386945
--- Comment #41 from Mark Wielaard ---
Hoping that the JRS FIXME for ldbrx (Load Doubleword Byte-Reverse Indexed) was
a hint that memcheck would be helped by a single double-word load plus
Iop_Reverse I hacked up:
DIP("ldbrx r%u,r%u,
https://bugs.kde.org/show_bug.cgi?id=386945
--- Comment #40 from Mark Wielaard ---
Created attachment 116575
--> https://bugs.kde.org/attachment.cgi?id=116575=edit
t binary testcase
The t binary from comment #39 to help with debugging.
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--- Comment #39 from Mark Wielaard ---
With that gcc backport https://gcc.gnu.org/ml/gcc-patches/2018-11/msg02161.html
and the valgrind fixes we get rid of all the Conditional jump or move depends
on uninitialised value(s) issues, but unfortunately we
https://bugs.kde.org/show_bug.cgi?id=401277
Mark Wielaard changed:
What|Removed |Added
CC||m...@klomp.org
--- Comment #2 from Mark
https://bugs.kde.org/show_bug.cgi?id=398649
--- Comment #2 from Mark Wielaard ---
It looks the same, but binutils 2.31 certainly should be new enough, it was
released this year. Are you sure you are using 2.31?
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https://bugs.kde.org/show_bug.cgi?id=386945
--- Comment #33 from Mark Wielaard ---
I assume the testing was done against GCC9/svn trunk? If so, are there any
specific GCC9 patches that could/should be backported to GCC8?
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https://bugs.kde.org/show_bug.cgi?id=400878
Mark Wielaard changed:
What|Removed |Added
CC||m...@klomp.org
Status|REPORTED
https://bugs.kde.org/show_bug.cgi?id=388786
Mark Wielaard changed:
What|Removed |Added
CC||f...@redhat.com
--- Comment #9 from Mark
https://bugs.kde.org/show_bug.cgi?id=353370
Mark Wielaard changed:
What|Removed |Added
CC||sebastian.groth@enervision
https://bugs.kde.org/show_bug.cgi?id=400279
Mark Wielaard changed:
What|Removed |Added
CC||m...@klomp.org
Resolution
https://bugs.kde.org/show_bug.cgi?id=386945
--- Comment #24 from Mark Wielaard ---
Created attachment 115701
--> https://bugs.kde.org/attachment.cgi?id=115701=edit
Small ppc64le binary with inlined string functions
Here is an example with some inlined string functions on Fedora 28 ppc6
https://bugs.kde.org/show_bug.cgi?id=386945
Mark Wielaard changed:
What|Removed |Added
CC||m...@klomp.org
Status|REPORTED
https://bugs.kde.org/show_bug.cgi?id=385409
--- Comment #65 from Mark Wielaard ---
(In reply to Mark Wielaard from comment #64)
> Which attached patches (there are 7 now) and in which order should they be
> applied?
The answer to that is (it is actually 8 patches) and they should all be a
https://bugs.kde.org/show_bug.cgi?id=385409
--- Comment #64 from Mark Wielaard ---
Which attached patches (there are 7 now) and in which order should they be
applied?
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https://bugs.kde.org/show_bug.cgi?id=396839
--- Comment #8 from Mark Wielaard ---
(In reply to Mark Wielaard from comment #5)
> (In reply to Andreas Arnez from comment #4)
> > Created attachment 115146 [details]
> > Implement conditional trap instructions
>
> Nice. With th
https://bugs.kde.org/show_bug.cgi?id=396839
Mark Wielaard changed:
What|Removed |Added
Ever confirmed|0 |1
Status|REPORTED
https://bugs.kde.org/show_bug.cgi?id=398649
Bug ID: 398649
Summary: New s390x z13 support doesn't build with older
gcc/binutils
Product: valgrind
Version: 3.14 SVN
Platform: Other
OS: Linux
https://bugs.kde.org/show_bug.cgi?id=398066
Mark Wielaard changed:
What|Removed |Added
Resolution|--- |FIXED
Status|UNCONFIRMED
https://bugs.kde.org/show_bug.cgi?id=397354
Mark Wielaard changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution
https://bugs.kde.org/show_bug.cgi?id=396452
Mark Wielaard changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution
https://bugs.kde.org/show_bug.cgi?id=398086
Mark Wielaard changed:
What|Removed |Added
CC||m...@klomp.org
--- Comment #1 from Mark
https://bugs.kde.org/show_bug.cgi?id=396839
Mark Wielaard changed:
What|Removed |Added
CC||m...@klomp.org
--- Comment #3 from Mark
https://bugs.kde.org/show_bug.cgi?id=398066
Bug ID: 398066
Summary: cgijl dep1, 0 reports Conditional jump or move depends
on uninitialised value(s)
Product: valgrind
Version: unspecified
Platform: Other
https://bugs.kde.org/show_bug.cgi?id=397354
Bug ID: 397354
Summary: utimensat should ignore timespec tv_sec when tv_nsec
is UTIME_NOW or UTIME_OMIT
Product: valgrind
Version: unspecified
Platform: Other
OS:
https://bugs.kde.org/show_bug.cgi?id=396887
Mark Wielaard changed:
What|Removed |Added
CC||vand...@gmail.com
--- Comment #2 from Mark
https://bugs.kde.org/show_bug.cgi?id=397286
Mark Wielaard changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution
https://bugs.kde.org/show_bug.cgi?id=385409
Mark Wielaard changed:
What|Removed |Added
CC||m...@klomp.org
--- Comment #40 from Mark
https://bugs.kde.org/show_bug.cgi?id=397012
Mark Wielaard changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution
https://bugs.kde.org/show_bug.cgi?id=397187
Bug ID: 397187
Summary: z13 vector register support for vgdb gdbserver
Product: valgrind
Version: 3.14 SVN
Platform: Other
OS: Linux
Status: UNCONFIRMED
https://bugs.kde.org/show_bug.cgi?id=397012
Bug ID: 397012
Summary: glibc ld.so uses arch_prctl on i386
Product: valgrind
Version: 3.14 SVN
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
https://bugs.kde.org/show_bug.cgi?id=396887
Mark Wielaard changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution
https://bugs.kde.org/show_bug.cgi?id=396887
Bug ID: 396887
Summary: arch_prctl should return EINVAL on unknown option
Product: valgrind
Version: unspecified
Platform: Other
URL:
https://bugs.kde.org/show_bug.cgi?id=395682
Mark Wielaard changed:
What|Removed |Added
Status|CONFIRMED |RESOLVED
Resolution
https://bugs.kde.org/show_bug.cgi?id=396476
Bug 396476 depends on bug 395682, which changed state.
Bug 395682 Summary: Reading debug info of binaries with readonly PT_LOAD
segments
https://bugs.kde.org/show_bug.cgi?id=395682
What|Removed |Added
https://bugs.kde.org/show_bug.cgi?id=390871
Mark Wielaard changed:
What|Removed |Added
CC||m...@klomp.org
--- Comment #3 from Mark
https://bugs.kde.org/show_bug.cgi?id=395682
--- Comment #12 from Mark Wielaard ---
(In reply to H.J. Lu from comment #10)
> (In reply to Mark Wielaard from comment #9)
> > This patch fixes the issue with the reported binary in this bug and with the
> > i386 glibc ld.so created
https://bugs.kde.org/show_bug.cgi?id=396452
Bug ID: 396452
Summary: none/test/arm/vfp.c doesn't build with binutils 2.31
gas
Product: valgrind
Version: unspecified
Platform: Other
OS: Linux
https://bugs.kde.org/show_bug.cgi?id=395682
Mark Wielaard changed:
What|Removed |Added
Assignee|jsew...@acm.org |m...@klomp.org
--- Comment #9 from Mark
https://bugs.kde.org/show_bug.cgi?id=395682
--- Comment #6 from Mark Wielaard ---
(In reply to H.J. Lu from comment #5)
> (In reply to Mark Wielaard from comment #4)
> > The root cause is that ld -z separate-code introduces various new PT_LOAD
>
> This is very misleading.
I don
https://bugs.kde.org/show_bug.cgi?id=395682
Mark Wielaard changed:
What|Removed |Added
Summary|Reading debug info |Reading debug info
https://bugs.kde.org/show_bug.cgi?id=353370
Mark Wielaard changed:
What|Removed |Added
CC||mathias.cabiochdelalande@gm
https://bugs.kde.org/show_bug.cgi?id=395809
Mark Wielaard changed:
What|Removed |Added
CC||m...@klomp.org
Resolution
https://bugs.kde.org/show_bug.cgi?id=368913
Mark Wielaard changed:
What|Removed |Added
Status|CONFIRMED |RESOLVED
Resolution
https://bugs.kde.org/show_bug.cgi?id=381556
Mark Wielaard changed:
What|Removed |Added
Resolution|--- |FIXED
Status|UNCONFIRMED
https://bugs.kde.org/show_bug.cgi?id=368913
--- Comment #4 from Mark Wielaard ---
Created attachment 113433
--> https://bugs.kde.org/attachment.cgi?id=113433=edit
Implement PRE and POST sys_ptrace for arm64
With this gdb can be run under valgrind on arm64:
$ valgrind -q gdb --quiet -ex wh
https://bugs.kde.org/show_bug.cgi?id=368913
Mark Wielaard changed:
What|Removed |Added
Status|UNCONFIRMED |CONFIRMED
Ever confirmed|0
https://bugs.kde.org/show_bug.cgi?id=388664
Mark Wielaard changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution
https://bugs.kde.org/show_bug.cgi?id=368913
Mark Wielaard changed:
What|Removed |Added
CC||jrei...@bitwagon.com
--- Comment #2 from Mark
https://bugs.kde.org/show_bug.cgi?id=381556
--- Comment #14 from Mark Wielaard ---
Created attachment 113427
--> https://bugs.kde.org/attachment.cgi?id=113427=edit
mask arm64 hwcaps
This patch should do the right thing.
It simply adds the VKI_HWCAPs to vki/vki-arm64-linux.h and masks AT_HW
https://bugs.kde.org/show_bug.cgi?id=381556
--- Comment #10 from Mark Wielaard ---
(In reply to Tom Hughes from comment #9)
> ARM ARM is the ARM Architecture Reference Manual, aka the official
> documentation of the instruction set.
Thanks. Is that document publicly available anywhere? Th
https://bugs.kde.org/show_bug.cgi?id=381556
--- Comment #8 from Mark Wielaard ---
(In reply to Peter Maydell from comment #6)
> Looking back in the history, my comment #3 should have enough information
> for somebody who knows what instructions Valgrind implements to be able to
> set t
https://bugs.kde.org/show_bug.cgi?id=381556
--- Comment #7 from Mark Wielaard ---
(In reply to Peter Maydell from comment #5)
> That workaround change looks wrong to me. Surely Valgrind supports at least
> FP and Neon ?
I think so, but nobody seems to test the AT_HWCAP bits for them it
https://bugs.kde.org/show_bug.cgi?id=381556
--- Comment #4 from Mark Wielaard ---
I pushed the workaround mentioned in comment #1:
commit ad4481d23aa54ad947f7dcd194f1233e0b99c70f
Author: Mark Wielaard
Date: Mon Jun 18 15:07:27 2018 +0200
Add workaround for arm64 AT_HWCAP on newer
https://bugs.kde.org/show_bug.cgi?id=393062
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Reso
https://bugs.kde.org/show_bug.cgi?id=393062
Bug ID: 393062
Summary: Reading build-id ELF note through phdrs triggers
"debuginfo reader: ensure_valid failed"
Product: valgrind
Version: unspecified
Platform: Other
https://bugs.kde.org/show_bug.cgi?id=392118
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
CC||m...@klo
https://bugs.kde.org/show_bug.cgi?id=391164
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
CC||c...@us.ibm.com
-
https://bugs.kde.org/show_bug.cgi?id=391164
Bug ID: 391164
Summary: constraint bug in tests/ppc64/test_isa_2_07_part1.c
for mtfprwa
Product: valgrind
Version: 3.13.0
Platform: Other
OS: Linux
https://bugs.kde.org/show_bug.cgi?id=327427
--- Comment #5 from Mark Wielaard <m...@klomp.org> ---
BTW. The valgrind crash does change when using --keep-debuginfo=yes for these
cases. Now it crashes because of:
valgrind: m_debuginfo/debuginfo.c:452 (discard_or_archive_DebugInfo): Ass
https://bugs.kde.org/show_bug.cgi?id=327427
--- Comment #4 from Mark Wielaard <m...@klomp.org> ---
I had hoped the fix for Bug 79362 - Debug info is lost for .so files when they
are dlclose'd, would have also fixed this issue. But it didn't.
Note that this is a somewhat weird/specia
https://bugs.kde.org/show_bug.cgi?id=387773
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
Resolution|--- |FIXED
https://bugs.kde.org/show_bug.cgi?id=388706
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
Summary|warning:|w
https://bugs.kde.org/show_bug.cgi?id=387773
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
Status|RESOLVED|REOPENED
Ever confi
https://bugs.kde.org/show_bug.cgi?id=387773
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
Resolution|--- |FIXED
https://bugs.kde.org/show_bug.cgi?id=387712
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Reso
https://bugs.kde.org/show_bug.cgi?id=387712
--- Comment #4 from Mark Wielaard <m...@klomp.org> ---
(In reply to Julian Seward from comment #3)
> This fixes it for me. Mark, can you give it a spin?
Works for me. I ran the whole elfutils testsuite under valgrind with this patch
and it l
https://bugs.kde.org/show_bug.cgi?id=387773
Bug ID: 387773
Summary: Files in .gnu_debugaltlink should be resolved relative
to .debug file, not symlink.
Product: valgrind
Version: 3.14 SVN
Platform: Other
https://bugs.kde.org/show_bug.cgi?id=387712
--- Comment #2 from Mark Wielaard <m...@klomp.org> ---
SB 5392 (evchecks 243347) [tid 1] 0x4066170 __libdwfl_frame_unwind+64
/home/mjw/elfutils/libdw/libdw.so+0x35170
Front end
cgijnl
https://bugs.kde.org/show_bug.cgi?id=387712
--- Comment #1 from Mark Wielaard <m...@klomp.org> ---
SB 4912 (evchecks 237802) [tid 1] 0x406615c __libdwfl_frame_unwind+44
/home/mjw/elfutils/libdw/libdw.so+0x3515c
Front end
lg
https://bugs.kde.org/show_bug.cgi?id=387712
Bug ID: 387712
Summary: s390x cgijnl reports Conditional jump or move depends
on uninitialised value(s)
Product: valgrind
Version: 3.13.0
Platform: Other
OS:
https://bugs.kde.org/show_bug.cgi?id=386203
Bug ID: 386203
Summary: Disable RTM cpuid bit by default
Product: valgrind
Version: unspecified
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
https://bugs.kde.org/show_bug.cgi?id=385868
--- Comment #5 from Mark Wielaard <m...@klomp.org> ---
(In reply to John Reiser from comment #4)
> Please state the version of glibc ld.so where this problem was observed.
> That bounds the search for interactions between software. The l
https://bugs.kde.org/show_bug.cgi?id=385912
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
Resolution|--- |FIXED
https://bugs.kde.org/show_bug.cgi?id=385868
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Reso
https://bugs.kde.org/show_bug.cgi?id=385912
Bug ID: 385912
Summary: none/tests/rlimit_nofile fails on newer glibc/kernel
Product: valgrind
Version: 3.13.0
Platform: Other
OS: Linux
Status: UNCONFIRMED
https://bugs.kde.org/show_bug.cgi?id=385868
--- Comment #2 from Mark Wielaard <m...@klomp.org> ---
Created attachment 108408
--> https://bugs.kde.org/attachment.cgi?id=108408=edit
Add default suppression for _dl_runtime_resolve_avx_slow
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https://bugs.kde.org/show_bug.cgi?id=385868
--- Comment #1 from Mark Wielaard <m...@klomp.org> ---
Created attachment 108407
--> https://bugs.kde.org/attachment.cgi?id=108407=edit
Test case workaround
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https://bugs.kde.org/show_bug.cgi?id=385868
Bug ID: 385868
Summary: glibc ld.so _dl_runtime_resolve_avx_slow conditional
jump warning
Product: valgrind
Version: 3.13.0
Platform: Other
OS: Linux
https://bugs.kde.org/show_bug.cgi?id=385477
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
CC||m...@klomp.org
--- Comm
https://bugs.kde.org/show_bug.cgi?id=384732
--- Comment #6 from Mark Wielaard <m...@klomp.org> ---
(In reply to Tom Hughes from comment #5)
> We already detect CLONE_VFORK|CLONE_VM as a special case and deliberately
> drop CLONE_VM because I imagine anything else would b
https://bugs.kde.org/show_bug.cgi?id=384732
--- Comment #4 from Mark Wielaard <m...@klomp.org> ---
I wonder if we can also rely on the CLONE_VFORK mechanism.
So if we see a clone with CLONE_VFORK | CLONE_VM we don't drop the CLONE_VM,
but do freeze all other threads till we see the exe
https://bugs.kde.org/show_bug.cgi?id=384732
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
CC||m...@klomp.org
--- Comm
https://bugs.kde.org/show_bug.cgi?id=381556
--- Comment #2 from Mark Wielaard <m...@klomp.org> ---
I cannot find any information on the arm64 HWCAP. There is just this list of
constants in the kernel sources:
#define HWCAP_FP(1 << 0)
#define HWCAP_ASIMD
https://bugs.kde.org/show_bug.cgi?id=381805
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Reso
https://bugs.kde.org/show_bug.cgi?id=381805
Bug ID: 381805
Summary: arm32 needs ld.so index hardwire for new glibc
security fixes
Product: valgrind
Version: 3.13.0
Platform: Other
OS: Linux
https://bugs.kde.org/show_bug.cgi?id=381769
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
CC||m...@klo
https://bugs.kde.org/show_bug.cgi?id=353370
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
CC||gcc.h...@gmail.com
--- C
https://bugs.kde.org/show_bug.cgi?id=381699
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
CC||m...@klo
https://bugs.kde.org/show_bug.cgi?id=381556
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
CC||m...@klomp.org
--- Comm
https://bugs.kde.org/show_bug.cgi?id=381274
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
Resolution|--- |FIXED
https://bugs.kde.org/show_bug.cgi?id=381274
--- Comment #1 from Mark Wielaard <m...@klomp.org> ---
Proposed patch:
diff --git a/priv/guest_ppc_toIR.c b/priv/guest_ppc_toIR.c
index e16e837..a8d4926 100644
--- a/priv/guest_ppc_toIR.c
+++ b/priv/guest_ppc_toIR.c
@@ -29356,62 +29356,70 @@ Dis
https://bugs.kde.org/show_bug.cgi?id=381289
Mark Wielaard <m...@klomp.org> changed:
What|Removed |Added
Resolution|--- |FIXED
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