!14 [sync] PR-11: valgrind: Implement linux rseq syscall as ENOSYS
From: @openeuler-sync-bot Reviewed-by: @wangxp006 Signed-off-by: @wangxp006
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valgrind-Implement-linux-rseq-syscall-as-ENOSYS.patch
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203
valgrind-Implement-linux-rseq-syscall-as-ENOSYS.patch
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From 64c0d0ffbe9ee5c1c4399bc998a2602c0848b70b Mon Sep 17 00:00:00 2001
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From: Mark Wielaard <mark@klomp.org>
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Date: Wed, 2 Mar 2022 21:07:09 -0500
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Subject: [PATCH] valgrind: Implement linux rseq syscall as ENOSYS
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This implements rseq for amd64, arm, arm64, ppc32, ppc64,
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s390x and x86 linux as ENOSYS (without warning).
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glibc will start using rseq to accelerate sched_getcpu, if
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available. This would cause a warning from valgrind every
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time a new thread is started.
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Real rseq (restartable sequences) support is pretty hard, so
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for now just explicitly return ENOSYS (just like we do for clone3).
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https://sourceware.org/pipermail/libc-alpha/2021-December/133656.html
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-----
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conflicts:
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context conflicts
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---
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coregrind/m_syswrap/syswrap-amd64-linux.c | 2 ++
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coregrind/m_syswrap/syswrap-arm-linux.c | 1 +
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coregrind/m_syswrap/syswrap-arm64-linux.c | 4 +++-
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coregrind/m_syswrap/syswrap-ppc32-linux.c | 2 ++
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coregrind/m_syswrap/syswrap-ppc64-linux.c | 3 +++
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coregrind/m_syswrap/syswrap-s390x-linux.c | 3 +++
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coregrind/m_syswrap/syswrap-x86-linux.c | 2 ++
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include/vki/vki-scnums-arm-linux.h | 1 +
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include/vki/vki-scnums-arm64-linux.h | 4 +++-
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include/vki/vki-scnums-ppc32-linux.h | 1 +
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include/vki/vki-scnums-ppc64-linux.h | 1 +
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include/vki/vki-scnums-s390x-linux.h | 5 ++++-
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12 files changed, 26 insertions(+), 3 deletions(-)
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diff --git a/coregrind/m_syswrap/syswrap-amd64-linux.c b/coregrind/m_syswrap/syswrap-amd64-linux.c
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index d0d7efa..5cd630f 100644
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--- a/coregrind/m_syswrap/syswrap-amd64-linux.c
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+++ b/coregrind/m_syswrap/syswrap-amd64-linux.c
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@@ -862,6 +862,8 @@ static SyscallTableEntry syscall_table[] = {
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LINXY(__NR_statx, sys_statx), // 332
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+ GENX_(__NR_rseq, sys_ni_syscall), // 334
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+
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LINX_(__NR_membarrier, sys_membarrier), // 324
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LINX_(__NR_copy_file_range, sys_copy_file_range), // 326
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diff --git a/coregrind/m_syswrap/syswrap-arm-linux.c b/coregrind/m_syswrap/syswrap-arm-linux.c
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index ea703e3..8dbe3bc 100644
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--- a/coregrind/m_syswrap/syswrap-arm-linux.c
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+++ b/coregrind/m_syswrap/syswrap-arm-linux.c
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@@ -1020,6 +1020,7 @@ static SyscallTableEntry syscall_main_table[] = {
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LINX_(__NR_pwritev2, sys_pwritev2), // 393
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LINXY(__NR_statx, sys_statx), // 397
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+ GENX_(__NR_rseq, sys_ni_syscall), // 398
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LINXY(__NR_clock_gettime64, sys_clock_gettime64), // 403
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LINX_(__NR_clock_settime64, sys_clock_settime64), // 404
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diff --git a/coregrind/m_syswrap/syswrap-arm64-linux.c b/coregrind/m_syswrap/syswrap-arm64-linux.c
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index 9a9a1f9..76e14fa 100644
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--- a/coregrind/m_syswrap/syswrap-arm64-linux.c
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+++ b/coregrind/m_syswrap/syswrap-arm64-linux.c
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@@ -823,8 +823,10 @@ static SyscallTableEntry syscall_main_table[] = {
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// (__NR_pkey_mprotect, sys_ni_syscall), // 288
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// (__NR_pkey_alloc, sys_ni_syscall), // 289
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// (__NR_pkey_free, sys_ni_syscall), // 290
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+ LINXY(__NR_statx, sys_statx), // 291
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+
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+ GENX_(__NR_rseq, sys_ni_syscall), // 293
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- LINXY(__NR_statx, sys_statx), // 397
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GENX_(__NR_clone3, sys_ni_syscall), // 435
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};
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diff --git a/coregrind/m_syswrap/syswrap-ppc32-linux.c b/coregrind/m_syswrap/syswrap-ppc32-linux.c
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index 260b8b4..f07fb8e 100644
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--- a/coregrind/m_syswrap/syswrap-ppc32-linux.c
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+++ b/coregrind/m_syswrap/syswrap-ppc32-linux.c
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@@ -1023,6 +1023,8 @@ static SyscallTableEntry syscall_table[] = {
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LINXY(__NR_statx, sys_statx), // 383
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+ GENX_(__NR_rseq, sys_ni_syscall), // 387
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+
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LINXY(__NR_clock_gettime64, sys_clock_gettime64), // 403
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LINX_(__NR_clock_settime64, sys_clock_settime64), // 404
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diff --git a/coregrind/m_syswrap/syswrap-ppc64-linux.c b/coregrind/m_syswrap/syswrap-ppc64-linux.c
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index f29f0a2..106b56c 100644
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--- a/coregrind/m_syswrap/syswrap-ppc64-linux.c
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+++ b/coregrind/m_syswrap/syswrap-ppc64-linux.c
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@@ -1010,6 +1010,9 @@ static SyscallTableEntry syscall_table[] = {
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LINX_(__NR_pwritev2, sys_pwritev2), // 381
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LINXY(__NR_statx, sys_statx), // 383
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+
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+ GENX_(__NR_rseq, sys_ni_syscall), // 387
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+
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GENX_(__NR_clone3, sys_ni_syscall), // 435
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};
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diff --git a/coregrind/m_syswrap/syswrap-s390x-linux.c b/coregrind/m_syswrap/syswrap-s390x-linux.c
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index e0c0d5d..9756d23 100644
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--- a/coregrind/m_syswrap/syswrap-s390x-linux.c
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+++ b/coregrind/m_syswrap/syswrap-s390x-linux.c
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@@ -857,6 +857,9 @@ static SyscallTableEntry syscall_table[] = {
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LINX_(__NR_pwritev2, sys_pwritev2), // 377
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LINXY(__NR_statx, sys_statx), // 379
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+
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+ GENX_(__NR_rseq, sys_ni_syscall), // 381
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+
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GENX_(__NR_clone3, sys_ni_syscall), // 435
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};
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diff --git a/coregrind/m_syswrap/syswrap-x86-linux.c b/coregrind/m_syswrap/syswrap-x86-linux.c
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index d432e32..d29f82c 100644
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--- a/coregrind/m_syswrap/syswrap-x86-linux.c
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+++ b/coregrind/m_syswrap/syswrap-x86-linux.c
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@@ -1618,6 +1618,8 @@ static SyscallTableEntry syscall_table[] = {
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/* Explicitly not supported on i386 yet. */
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GENX_(__NR_arch_prctl, sys_ni_syscall), // 384
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+ GENX_(__NR_rseq, sys_ni_syscall), // 386
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+
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LINXY(__NR_clock_gettime64, sys_clock_gettime64), // 403
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LINX_(__NR_clock_settime64, sys_clock_settime64), // 404
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diff --git a/include/vki/vki-scnums-arm-linux.h b/include/vki/vki-scnums-arm-linux.h
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index ff560e1..485db8b 100644
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--- a/include/vki/vki-scnums-arm-linux.h
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+++ b/include/vki/vki-scnums-arm-linux.h
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@@ -432,6 +432,7 @@
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#define __NR_pkey_alloc 395
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#define __NR_pkey_free 396
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#define __NR_statx 397
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+#define __NR_rseq 398
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diff --git a/include/vki/vki-scnums-arm64-linux.h b/include/vki/vki-scnums-arm64-linux.h
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index 9aa3b2b..acdfb39 100644
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--- a/include/vki/vki-scnums-arm64-linux.h
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+++ b/include/vki/vki-scnums-arm64-linux.h
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@@ -323,9 +323,11 @@
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#define __NR_pkey_alloc 289
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#define __NR_pkey_free 290
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#define __NR_statx 291
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+#define __NR_io_pgetevents 291
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+#define __NR_rseq 293
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#undef __NR_syscalls
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-#define __NR_syscalls 292
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+#define __NR_syscalls 294
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///*
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// * All syscalls below here should go away really,
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diff --git a/include/vki/vki-scnums-ppc32-linux.h b/include/vki/vki-scnums-ppc32-linux.h
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index 6987ad9..08fa77d 100644
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--- a/include/vki/vki-scnums-ppc32-linux.h
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+++ b/include/vki/vki-scnums-ppc32-linux.h
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@@ -415,6 +415,7 @@
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#define __NR_pkey_alloc 384
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#define __NR_pkey_free 385
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#define __NR_pkey_mprotect 386
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+#define __NR_rseq 387
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#endif /* __VKI_SCNUMS_PPC32_LINUX_H */
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diff --git a/include/vki/vki-scnums-ppc64-linux.h b/include/vki/vki-scnums-ppc64-linux.h
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index 6827964..507117b 100644
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--- a/include/vki/vki-scnums-ppc64-linux.h
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+++ b/include/vki/vki-scnums-ppc64-linux.h
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@@ -407,6 +407,7 @@
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#define __NR_pkey_alloc 384
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#define __NR_pkey_free 385
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#define __NR_pkey_mprotect 386
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+#define __NR_pkey_rseq 387
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#endif /* __VKI_SCNUMS_PPC64_LINUX_H */
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diff --git a/include/vki/vki-scnums-s390x-linux.h b/include/vki/vki-scnums-s390x-linux.h
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index f386170..51cc572 100644
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--- a/include/vki/vki-scnums-s390x-linux.h
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+++ b/include/vki/vki-scnums-s390x-linux.h
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@@ -340,8 +340,11 @@
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#define __NR_s390_guarded_storage 378
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#define __NR_statx 379
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#define __NR_s390_sthyi 380
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+#define __NR_kexec_file_load 381
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+#define __NR_io_pgetevents 382
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+#define __NR_rseq 383
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-#define NR_syscalls 381
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+#define NR_syscalls 384
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/*
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* There are some system calls that are not present on 64 bit, some
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--
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2.27.0
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@ -13,7 +13,7 @@
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Name: valgrind
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Version: 3.16.0
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Release: 2
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Release: 3
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Epoch: 1
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Summary: An instrumentation framework for building dynamic analysis tools
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License: GPLv2+
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@ -24,6 +24,7 @@ Patch1: valgrind-3.9.0-cachegrind-improvements.patch
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Patch2: valgrind-3.9.0-helgrind-race-supp.patch
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Patch3: valgrind-3.9.0-ldso-supp.patch
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Patch4: backport-Generate-a-ENOSYS-sys_ni_syscall-for-clone3-on-all-linux-arches.patch
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Patch5: valgrind-Implement-linux-rseq-syscall-as-ENOSYS.patch
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BuildRequires: glibc glibc-devel gdb procps gcc-c++ perl(Getopt::Long)
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@ -99,6 +100,9 @@ popd
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%{_mandir}/man1/*
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%changelog
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* Wed Mar 02 2022 qinyu <qiny16@huawei.com> - 3.16.0-3
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- Implement linux rseq syscall as ENOSYS
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* Wed Feb 09 2022 gaoxingwang <gaoxingwang@huawei.com> - 3.16.0-2
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- backport patch :Generate a ENOSYS (sys_ni_syscall) for clone3 on all linux arches
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