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valgrind/valgrind-3.16.1-faccessat2.patch
Mark Wielaard 5071958c7d 3.16.1-6 - Add valgrind-3.16.1-faccessat2.patch 
Resolves: #1888170
unhandled amd64-linux syscall: 439 (faccessat2)
2020-10-16 22:31:30 +02:00

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From fe4b349df3d5edc1c849e9890cbc6b191386a03c Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mark@klomp.org>
Date: Fri, 16 Oct 2020 02:55:06 +0200
Subject: [PATCH] Support new faccessat2 linux syscall (439)
faccessat2 is a new syscall in linux 5.8 and will be used by glibc 2.33.
faccessat2 is simply faccessat with a new flag argument. It has
a common number across all linux arches.
https://bugs.kde.org/427787
---
NEWS | 1 +
coregrind/m_syswrap/priv_syswrap-linux.h | 1 +
coregrind/m_syswrap/syswrap-amd64-linux.c | 2 ++
coregrind/m_syswrap/syswrap-arm-linux.c | 2 ++
coregrind/m_syswrap/syswrap-arm64-linux.c | 2 ++
coregrind/m_syswrap/syswrap-linux.c | 9 +++++++++
coregrind/m_syswrap/syswrap-mips32-linux.c | 2 ++
coregrind/m_syswrap/syswrap-mips64-linux.c | 1 +
coregrind/m_syswrap/syswrap-nanomips-linux.c | 1 +
coregrind/m_syswrap/syswrap-ppc32-linux.c | 2 ++
coregrind/m_syswrap/syswrap-ppc64-linux.c | 2 ++
coregrind/m_syswrap/syswrap-s390x-linux.c | 2 ++
coregrind/m_syswrap/syswrap-x86-linux.c | 2 ++
include/vki/vki-scnums-shared-linux.h | 2 ++
14 files changed, 31 insertions(+)
diff --git a/coregrind/m_syswrap/priv_syswrap-linux.h b/coregrind/m_syswrap/priv_syswrap-linux.h
index eb0b320ca..110f7c832 100644
--- a/coregrind/m_syswrap/priv_syswrap-linux.h
+++ b/coregrind/m_syswrap/priv_syswrap-linux.h
@@ -180,6 +180,7 @@ DECL_TEMPLATE(linux, sys_symlinkat);
DECL_TEMPLATE(linux, sys_readlinkat);
DECL_TEMPLATE(linux, sys_fchmodat);
DECL_TEMPLATE(linux, sys_faccessat);
+DECL_TEMPLATE(linux, sys_faccessat2);
DECL_TEMPLATE(linux, sys_utimensat);
DECL_TEMPLATE(linux, sys_name_to_handle_at);
DECL_TEMPLATE(linux, sys_open_by_handle_at);
diff --git a/coregrind/m_syswrap/syswrap-amd64-linux.c b/coregrind/m_syswrap/syswrap-amd64-linux.c
index d6f3eb910..45e1f3d1b 100644
--- a/coregrind/m_syswrap/syswrap-amd64-linux.c
+++ b/coregrind/m_syswrap/syswrap-amd64-linux.c
@@ -873,6 +873,8 @@ static SyscallTableEntry syscall_table[] = {
LINXY(__NR_io_uring_setup, sys_io_uring_setup), // 425
LINXY(__NR_io_uring_enter, sys_io_uring_enter), // 426
LINXY(__NR_io_uring_register, sys_io_uring_register), // 427
+
+ LINX_(__NR_faccessat2, sys_faccessat2), // 439
};
SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno )
diff --git a/coregrind/m_syswrap/syswrap-arm-linux.c b/coregrind/m_syswrap/syswrap-arm-linux.c
index 70700e53f..978aedbe6 100644
--- a/coregrind/m_syswrap/syswrap-arm-linux.c
+++ b/coregrind/m_syswrap/syswrap-arm-linux.c
@@ -1046,6 +1046,8 @@ static SyscallTableEntry syscall_main_table[] = {
LINXY(__NR_futex_time64, sys_futex_time64), // 422
LINXY(__NR_sched_rr_get_interval_time64,
sys_sched_rr_get_interval_time64), // 423
+
+ LINX_(__NR_faccessat2, sys_faccessat2), // 439
};
diff --git a/coregrind/m_syswrap/syswrap-arm64-linux.c b/coregrind/m_syswrap/syswrap-arm64-linux.c
index acca02442..051d84989 100644
--- a/coregrind/m_syswrap/syswrap-arm64-linux.c
+++ b/coregrind/m_syswrap/syswrap-arm64-linux.c
@@ -825,6 +825,8 @@ static SyscallTableEntry syscall_main_table[] = {
// (__NR_pkey_free, sys_ni_syscall), // 290
LINXY(__NR_statx, sys_statx), // 397
+
+ LINX_(__NR_faccessat2, sys_faccessat2), // 439
};
diff --git a/coregrind/m_syswrap/syswrap-linux.c b/coregrind/m_syswrap/syswrap-linux.c
index 3f488795a..41849873e 100644
--- a/coregrind/m_syswrap/syswrap-linux.c
+++ b/coregrind/m_syswrap/syswrap-linux.c
@@ -5988,6 +5988,15 @@ PRE(sys_faccessat)
PRE_MEM_RASCIIZ( "faccessat(pathname)", ARG2 );
}
+PRE(sys_faccessat2)
+{
+ PRINT("sys_faccessat2 ( %ld, %#" FMT_REGWORD "x(%s), %ld, %ld )",
+ SARG1, ARG2, (HChar*)(Addr)ARG2, SARG3, SARG4);
+ PRE_REG_READ4(long, "faccessat2",
+ int, dfd, const char *, pathname, int, mode, int, flags);
+ PRE_MEM_RASCIIZ( "faccessat2(pathname)", ARG2 );
+}
+
PRE(sys_name_to_handle_at)
{
PRINT("sys_name_to_handle_at ( %ld, %#" FMT_REGWORD "x(%s), %#"
diff --git a/coregrind/m_syswrap/syswrap-mips32-linux.c b/coregrind/m_syswrap/syswrap-mips32-linux.c
index 5face576b..f35fb8bbb 100644
--- a/coregrind/m_syswrap/syswrap-mips32-linux.c
+++ b/coregrind/m_syswrap/syswrap-mips32-linux.c
@@ -1131,6 +1131,8 @@ static SyscallTableEntry syscall_main_table[] = {
LINXY(__NR_futex_time64, sys_futex_time64), // 422
LINXY(__NR_sched_rr_get_interval_time64,
sys_sched_rr_get_interval_time64), // 423
+
+ LINX_ (__NR_faccessat2, sys_faccessat2), // 439
};
SyscallTableEntry* ML_(get_linux_syscall_entry) (UInt sysno)
diff --git a/coregrind/m_syswrap/syswrap-mips64-linux.c b/coregrind/m_syswrap/syswrap-mips64-linux.c
index c64911a50..bd260679c 100644
--- a/coregrind/m_syswrap/syswrap-mips64-linux.c
+++ b/coregrind/m_syswrap/syswrap-mips64-linux.c
@@ -812,6 +812,7 @@ static SyscallTableEntry syscall_main_table[] = {
LINX_ (__NR_syncfs, sys_syncfs),
LINXY (__NR_statx, sys_statx),
LINX_ (__NR_setns, sys_setns),
+ LINX_ (__NR_faccessat2, sys_faccessat2),
};
SyscallTableEntry * ML_(get_linux_syscall_entry) ( UInt sysno )
diff --git a/coregrind/m_syswrap/syswrap-nanomips-linux.c b/coregrind/m_syswrap/syswrap-nanomips-linux.c
index 7ceecb6da..a904745ab 100644
--- a/coregrind/m_syswrap/syswrap-nanomips-linux.c
+++ b/coregrind/m_syswrap/syswrap-nanomips-linux.c
@@ -821,6 +821,7 @@ static SyscallTableEntry syscall_main_table[] = {
// (__NR_pkey_mprotect, sys_ni_syscall),
// (__NR_pkey_alloc, sys_ni_syscall),
// (__NR_pkey_free, sys_ni_syscall),
+ LINX_ (__NR_faccessat2, sys_faccessat2),
};
SyscallTableEntry* ML_(get_linux_syscall_entry) (UInt sysno)
diff --git a/coregrind/m_syswrap/syswrap-ppc32-linux.c b/coregrind/m_syswrap/syswrap-ppc32-linux.c
index c19cb9e0e..6ddd482d9 100644
--- a/coregrind/m_syswrap/syswrap-ppc32-linux.c
+++ b/coregrind/m_syswrap/syswrap-ppc32-linux.c
@@ -1049,6 +1049,8 @@ static SyscallTableEntry syscall_table[] = {
LINXY(__NR_futex_time64, sys_futex_time64), // 422
LINXY(__NR_sched_rr_get_interval_time64,
sys_sched_rr_get_interval_time64), // 423
+
+ LINX_(__NR_faccessat2, sys_faccessat2), // 439
};
SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno )
diff --git a/coregrind/m_syswrap/syswrap-ppc64-linux.c b/coregrind/m_syswrap/syswrap-ppc64-linux.c
index b6422a765..7026e4ac6 100644
--- a/coregrind/m_syswrap/syswrap-ppc64-linux.c
+++ b/coregrind/m_syswrap/syswrap-ppc64-linux.c
@@ -1014,6 +1014,8 @@ static SyscallTableEntry syscall_table[] = {
LINX_(__NR_pwritev2, sys_pwritev2), // 381
LINXY(__NR_statx, sys_statx), // 383
+
+ LINX_(__NR_faccessat2, sys_faccessat2), // 439
};
SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno )
diff --git a/coregrind/m_syswrap/syswrap-s390x-linux.c b/coregrind/m_syswrap/syswrap-s390x-linux.c
index 3427fee16..c5e4bb957 100644
--- a/coregrind/m_syswrap/syswrap-s390x-linux.c
+++ b/coregrind/m_syswrap/syswrap-s390x-linux.c
@@ -859,6 +859,8 @@ static SyscallTableEntry syscall_table[] = {
LINX_(__NR_pwritev2, sys_pwritev2), // 377
LINXY(__NR_statx, sys_statx), // 379
+
+ LINX_(__NR_faccessat2, sys_faccessat2), // 439
};
SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno )
diff --git a/coregrind/m_syswrap/syswrap-x86-linux.c b/coregrind/m_syswrap/syswrap-x86-linux.c
index b59d96f37..67d866497 100644
--- a/coregrind/m_syswrap/syswrap-x86-linux.c
+++ b/coregrind/m_syswrap/syswrap-x86-linux.c
@@ -1644,6 +1644,8 @@ static SyscallTableEntry syscall_table[] = {
LINXY(__NR_io_uring_setup, sys_io_uring_setup), // 425
LINXY(__NR_io_uring_enter, sys_io_uring_enter), // 426
LINXY(__NR_io_uring_register, sys_io_uring_register),// 427
+
+ LINX_(__NR_faccessat2, sys_faccessat2), // 439
};
SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno )
diff --git a/include/vki/vki-scnums-shared-linux.h b/include/vki/vki-scnums-shared-linux.h
index 6221d5a81..c8bc31b4b 100644
--- a/include/vki/vki-scnums-shared-linux.h
+++ b/include/vki/vki-scnums-shared-linux.h
@@ -39,4 +39,6 @@
#define __NR_fsmount 432
#define __NR_fspick 433
+#define __NR_faccessat2 439
+
#endif
--
2.20.1
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