From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: libc-alpha@sourceware.org
Subject: [PATCH v5 17/22] m68k: Fix Race conditions in pthread cancellation [BZ#12683]
Date: Mon, 10 Apr 2023 17:46:09 -0300 [thread overview]
Message-ID: <20230410204614.4129551-9-adhemerval.zanella@linaro.org> (raw)
In-Reply-To: <20230410204614.4129551-1-adhemerval.zanella@linaro.org>
By adding the required syscall_cancel.S.
Checked on m68k-linux-gnu.
---
sysdeps/unix/sysv/linux/m68k/syscall_cancel.S | 84 +++++++++++++++++++
1 file changed, 84 insertions(+)
create mode 100644 sysdeps/unix/sysv/linux/m68k/syscall_cancel.S
diff --git a/sysdeps/unix/sysv/linux/m68k/syscall_cancel.S b/sysdeps/unix/sysv/linux/m68k/syscall_cancel.S
new file mode 100644
index 0000000000..8923bcc71c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/syscall_cancel.S
@@ -0,0 +1,84 @@
+/* Cancellable syscall wrapper. Linux/m68k version.
+ Copyright (C) 2023 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+#include <descr-const.h>
+
+/* long int __syscall_cancel_arch (int *cancelhandling,
+ __syscall_arg_t nr,
+ __syscall_arg_t arg1,
+ __syscall_arg_t arg2,
+ __syscall_arg_t arg3,
+ __syscall_arg_t arg4,
+ __syscall_arg_t arg5,
+ __syscall_arg_t arg6) */
+
+
+ENTRY (__syscall_cancel_arch)
+#ifdef __mcoldfire__
+ lea (-16,%sp),%sp
+ movem.l %d2-%d5,(%sp)
+#else
+ movem.l %d2-%d5,-(%sp)
+#endif
+ cfi_def_cfa_offset (20)
+ cfi_offset (2, -20)
+ cfi_offset (3, -16)
+ cfi_offset (4, -12)
+ cfi_offset (5, -8)
+
+ .global __syscall_cancel_arch_start
+__syscall_cancel_arch_start:
+
+ move.l 20(%sp),%a0
+ move.l (%a0),%d0
+#ifdef __mcoldfire__
+ move.w %d0,%ccr
+ jeq 1f
+#else
+ btst #TCB_CANCELED_BIT,%d0
+ jne 1f
+#endif
+
+ move.l 48(%sp),%a0
+ move.l 44(%sp),%d5
+ move.l 40(%sp),%d4
+ move.l 36(%sp),%d3
+ move.l 32(%sp),%d2
+ move.l 28(%sp),%d1
+ move.l 24(%sp),%d0
+ trap #0
+
+ .global __syscall_cancel_arch_end
+__syscall_cancel_arch_end:
+
+#ifdef __mcoldfire__
+ movem.l (%sp),%d2-%d5
+ lea (16,%sp),%sp
+#else
+ movem.l (%sp)+,%d2-%d5
+#endif
+ rts
+
+1:
+#ifdef PIC
+ bsr.l __syscall_do_cancel
+#else
+ jsr __syscall_do_cancel
+#endif
+END (__syscall_cancel_arch)
--
2.34.1
next prev parent reply other threads:[~2023-04-10 20:46 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-10 19:58 [PATCH v5 00/22] " Adhemerval Zanella
2023-04-10 19:58 ` [PATCH v5 01/22] nptl: " Adhemerval Zanella
2023-04-10 19:58 ` [PATCH v5 02/22] x86_64: " Adhemerval Zanella
2023-04-10 19:58 ` [PATCH v5 03/22] x32: " Adhemerval Zanella
2023-04-10 19:58 ` [PATCH v5 04/22] i386: " Adhemerval Zanella
2023-04-10 19:58 ` [PATCH v5 05/22] aarch64: " Adhemerval Zanella
2023-04-10 19:58 ` [PATCH v5 06/22] arm: " Adhemerval Zanella
2023-04-10 19:58 ` [PATCH v5 07/22] powerpc: " Adhemerval Zanella
2023-04-14 15:27 ` Paul E Murphy
2023-04-27 11:13 ` Adhemerval Zanella Netto
2023-04-10 19:58 ` [PATCH v5 08/22] sparc: " Adhemerval Zanella
2023-04-10 20:46 ` [PATCH v5 09/22] s390: " Adhemerval Zanella
2023-04-10 20:46 ` [PATCH v5 10/22] riscv: " Adhemerval Zanella
2023-04-11 6:35 ` Xi Ruoyao
2023-04-11 7:01 ` Xi Ruoyao
2023-04-11 13:49 ` Adhemerval Zanella Netto
2023-04-10 20:46 ` [PATCH v5 11/22] arc: Fix Race conditions in pthread cancellation [BZ #12683] Adhemerval Zanella
2023-04-10 20:46 ` [PATCH v5 12/22] ia64: Fix Race conditions in pthread cancellation [BZ#12683] Adhemerval Zanella
2023-04-10 20:46 ` [PATCH v5 13/22] sh: " Adhemerval Zanella
2023-04-10 20:46 ` [PATCH v5 14/22] nios2: " Adhemerval Zanella
2023-04-10 20:46 ` [PATCH v5 15/22] microblaze: " Adhemerval Zanella
2023-04-10 20:46 ` [PATCH v5 16/22] hppa: " Adhemerval Zanella
2023-04-10 20:46 ` Adhemerval Zanella [this message]
2023-04-10 20:46 ` [PATCH v5 18/22] alpha: " Adhemerval Zanella
2023-04-10 20:46 ` [PATCH v5 19/22] csky: " Adhemerval Zanella
2023-04-10 20:46 ` [PATCH v5 20/22] mips: " Adhemerval Zanella
2023-04-10 20:46 ` [PATCH v5 21/22] or1k: " Adhemerval Zanella
2023-04-10 20:46 ` [PATCH v5 22/22] loongarch: " Adhemerval Zanella
2023-04-11 6:19 ` Xi Ruoyao
2023-04-11 12:00 ` caiyinyu
2023-04-11 12:21 ` caiyinyu
2023-04-11 12:55 ` Xi Ruoyao
2023-04-11 13:54 ` Adhemerval Zanella Netto
2023-04-11 13:56 ` [PATCH v5 09/22] s390: " Stefan Liebler
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