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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/31501] _dl_tlsdesc_dynamic_xsavec may clobber %rbx
Date: Sun, 17 Mar 2024 16:28:34 +0000 [thread overview]
Message-ID: <bug-31501-131-pk0FCYksKT@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-31501-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=31501
--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 15411
--> https://sourceware.org/bugzilla/attachment.cgi?id=15411&action=edit
Dump xsave
On Intel AVX machine, the last 128 bytes (LWP area) of xsave buffer is
unchanged:
[hjl@gnu-cfl-3 xsave-1]$ make
./x
xstate_header.xfeatures: 0xfffffffffffffff6
xmm0: 0xffffffffffffffffffffffffffffffff
xmm1: 0x00000000000000000000000000000000
xmm2: 0x00000000000000000000000000000000
xmm3: 0x00000000000000000000000000000000
xmm4: 0x00000000000000000000000000000000
xmm5: 0x00000000000000000000000000000000
xmm6: 0x00000000000000000000000000000000
xmm7: 0xffffffffffffffffffffffffffffffff
xmm8: 0x00000000000000000000000000000000
xmm9: 0x00000000000000000000000000000000
xmm10: 0x00000000000000000000000000000000
xmm11: 0x00000000000000000000000000000000
xmm12: 0x00000000000000000000000000000000
xmm13: 0x00000000000000000000000000000000
xmm14: 0x00000000000000000000000000000000
xmm15: 0xffffffffffffffffffffffffffffffff
ymm_h0: 0xffffffffffffffffffffffffffffffff
ymm_h1: 0x00000000000000000000000000000000
ymm_h2: 0x00000000000000000000000000000000
ymm_h3: 0x00000000000000000000000000000000
ymm_h4: 0x00000000000000000000000000000000
ymm_h5: 0x00000000000000000000000000000000
ymm_h6: 0x00000000000000000000000000000000
ymm_h7: 0xffffffffffffffffffffffffffffffff
ymm_h8: 0x00000000000000000000000000000000
ymm_h9: 0x00000000000000000000000000000000
ymm_h10: 0x00000000000000000000000000000000
ymm_h11: 0x00000000000000000000000000000000
ymm_h12: 0x00000000000000000000000000000000
ymm_h13: 0x00000000000000000000000000000000
ymm_h14: 0x00000000000000000000000000000000
ymm_h15: 0xffffffffffffffffffffffffffffffff
lwp: 0xffffffffffffffffffffffffffffffff
mpx0: 0x00000000000000000000000000000000
mpx1: 0x00000000000000000000000000000000
mpx2: 0x00000000000000000000000000000000
mpx3: 0x00000000000000000000000000000000
mpx4: 0xffffffffffffffffffffffffffffffff
mpx5: 0xffffffffffffffffffffffffffffffff
mpx6: 0xffffffffffffffffffffffffffffffff
mpx7: 0xffffffffffffffffffffffffffffffff
k0: 0xffffffffffffffff
k1: 0xffffffffffffffff
k2: 0xffffffffffffffff
k3: 0xffffffffffffffff
k4: 0xffffffffffffffff
k5: 0xffffffffffffffff
k6: 0xffffffffffffffff
k7: 0xffffffffffffffff
zmmh0: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh1: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh2: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh3: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh4: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh5: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh6: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh7: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh8: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh9: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh10: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh11: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh12: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh13: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh14: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh15: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh16: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh17: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh18: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh19: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh20: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh21: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh22: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh23: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh24: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh25: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh26: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh27: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh28: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh29: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh30: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
zmmh31: 0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
0xffffffffffffffffffffffffffffffff0xffffffffffffffffffffffffffffffff
[hjl@gnu-cfl-3 xsave-1]$
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next prev parent reply other threads:[~2024-03-17 16:28 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-16 14:23 [Bug dynamic-link/31501] New: " fweimer at redhat dot com
2024-03-16 14:23 ` [Bug dynamic-link/31501] " fweimer at redhat dot com
2024-03-16 14:35 ` fweimer at redhat dot com
2024-03-16 14:48 ` hjl.tools at gmail dot com
2024-03-16 17:05 ` hjl.tools at gmail dot com
2024-03-17 4:00 ` sam at gentoo dot org
2024-03-17 8:12 ` fweimer at redhat dot com
2024-03-17 10:39 ` hjl.tools at gmail dot com
2024-03-17 10:43 ` sam at gentoo dot org
2024-03-17 10:57 ` sam at gentoo dot org
2024-03-17 16:28 ` hjl.tools at gmail dot com [this message]
2024-03-19 2:46 ` cvs-commit at gcc dot gnu.org
2024-03-19 2:46 ` hjl.tools at gmail dot com
2024-03-20 15:37 ` fweimer at redhat dot com
2024-04-02 13:17 ` carlos at redhat dot com
2024-04-03 17:43 ` cvs-commit at gcc dot gnu.org
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