about summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/sparc
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc')
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/arch-syscall.h1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/clone.S3
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/syscall_cancel.S71
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/arch-syscall.h1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/clone.S3
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/syscall_cancel.S74
6 files changed, 153 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/arch-syscall.h b/sysdeps/unix/sysv/linux/sparc/sparc32/arch-syscall.h
index 19fa614624..3bad6f102f 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/arch-syscall.h
@@ -211,6 +211,7 @@
 #define __NR_mq_timedsend_time64 418
 #define __NR_mq_unlink 274
 #define __NR_mremap 250
+#define __NR_mseal 462
 #define __NR_msgctl 402
 #define __NR_msgget 399
 #define __NR_msgrcv 401
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S b/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
index 748d25fcfe..c9cf9bb055 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
@@ -28,6 +28,9 @@
 	.text
 ENTRY (__clone)
 	save	%sp,-96,%sp
+	save	%sp,-96,%sp
+	flushw
+	restore
 	cfi_def_cfa_register(%fp)
 	cfi_window_save
 	cfi_register(%o7, %i7)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/syscall_cancel.S b/sysdeps/unix/sysv/linux/sparc/sparc32/syscall_cancel.S
new file mode 100644
index 0000000000..aa5c658ce1
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/syscall_cancel.S
@@ -0,0 +1,71 @@
+/* Cancellable syscall wrapper.  Linux/sparc32 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,
+				   long int nr,
+				   long int arg1,
+				   long int arg2,
+				   long int arg3,
+				   long int arg4,
+				   long int arg5,
+				   long int arg6)  */
+
+ENTRY (__syscall_cancel_arch)
+	save	%sp, -96, %sp
+
+	cfi_window_save
+	cfi_register (%o7, %i7)
+	cfi_def_cfa_register (%fp)
+
+	.globl __syscall_cancel_arch_start
+__syscall_cancel_arch_start:
+
+	/* if (*cancelhandling & CANCELED_BITMASK)
+	     __syscall_do_cancel()  */
+	ld	[%i0], %g2
+	andcc	%g2, TCB_CANCELED_BITMASK, %g0
+	bne,pn	%icc, 2f
+	/* Issue a 6 argument syscall.  */
+	 mov	%i1, %g1
+	mov	%i2, %o0
+	mov	%i3, %o1
+	mov	%i4, %o2
+	mov	%i5, %o3
+	ld	[%fp+92], %o4
+	ld	[%fp+96], %o5
+	ta	0x10
+
+	.globl __syscall_cancel_arch_end
+__syscall_cancel_arch_end:
+	bcc	1f
+	 nop
+	sub	%g0, %o0, %o0
+1:
+	mov	%o0, %i0
+	return	%i7+8
+	 nop
+
+2:
+	call	__syscall_do_cancel, 0
+	 nop
+	nop
+
+END (__syscall_cancel_arch)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/arch-syscall.h b/sysdeps/unix/sysv/linux/sparc/sparc64/arch-syscall.h
index 18516f20cb..98e1437920 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/arch-syscall.h
@@ -192,6 +192,7 @@
 #define __NR_mq_timedsend 275
 #define __NR_mq_unlink 274
 #define __NR_mremap 250
+#define __NR_mseal 462
 #define __NR_msgctl 402
 #define __NR_msgget 399
 #define __NR_msgrcv 401
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
index e5ff2cf1a0..370d51fda2 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
@@ -32,6 +32,9 @@
 
 ENTRY (__clone)
 	save	%sp, -192, %sp
+	save	%sp, -192, %sp
+	flushw
+	restore
 	cfi_def_cfa_register(%fp)
 	cfi_window_save
 	cfi_register(%o7, %i7)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/syscall_cancel.S b/sysdeps/unix/sysv/linux/sparc/sparc64/syscall_cancel.S
new file mode 100644
index 0000000000..21b0728d5a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/syscall_cancel.S
@@ -0,0 +1,74 @@
+/* Cancellable syscall wrapper.  Linux/sparc64 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>
+
+	.register       %g2, #scratch
+
+/* long int __syscall_cancel_arch (int *cancelhandling,
+				   long int nr,
+				   long int arg1,
+				   long int arg2,
+				   long int arg3,
+				   long int arg4,
+				   long int arg5,
+				   long int arg6)  */
+
+ENTRY (__syscall_cancel_arch)
+	save	%sp, -176, %sp
+
+	cfi_window_save
+	cfi_register (%o7, %i7)
+	cfi_def_cfa_register (%fp)
+
+	.globl __syscall_cancel_arch_start
+__syscall_cancel_arch_start:
+
+	/* if (*cancelhandling & CANCELED_BITMASK)
+	     __syscall_do_cancel()  */
+	lduw	[%i0], %g2
+	andcc	%g2, TCB_CANCELED_BITMASK, %g0
+	bne,pn	%xcc, 2f
+	/* Issue a 6 argument syscall.  */
+	 mov	%i1, %g1
+	mov	%i2, %o0
+	mov	%i3, %o1
+	mov	%i4, %o2
+	mov	%i5, %o3
+	ldx	[%fp + STACK_BIAS + 176], %o4
+	ldx	[%fp + STACK_BIAS + 184], %o5
+	ta	0x6d
+
+	.global __syscall_cancel_arch_end
+__syscall_cancel_arch_end:
+
+	bcc,pt	%xcc, 1f
+	 nop
+	sub	%g0, %o0, %o0
+1:
+	mov	%o0, %i0
+	return	%i7+8
+	 nop
+
+2:
+	call	__syscall_do_cancel, 0
+	 nop
+	nop
+
+END (__syscall_cancel_arch)