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authorUlrich Drepper <drepper@redhat.com>2003-01-12 23:13:14 +0000
committerUlrich Drepper <drepper@redhat.com>2003-01-12 23:13:14 +0000
commit73398a44bb09014adee1e967a275067a046fe054 (patch)
treef92ac84dbc5e69b0cae7480f69893ec01159b948 /linuxthreads
parentb2608c22036ee37754d87185c29a0b986b7e70c6 (diff)
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Update.
* Makerules (build-shlib-helper): Don't use -z defs linker option if no-z-defs is defined either. 2003-01-10 Martin Schwidefsky <schwidefsky@de.ibm.com> * sysdeps/unix/sysv/linux/s390/s390-64/kernel_stat.h: Remove unused file. 2003-01-10 Martin Schwidefsky <schwidefsky@de.ibm.com> * sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list: Add vfork. * sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list: Likewise. 2003-01-12 Ulrich Drepper <drepper@redhat.com>
Diffstat (limited to 'linuxthreads')
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h17
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S54
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h20
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S47
4 files changed, 121 insertions, 17 deletions
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h b/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h
index 753fdd93f5..9e856a4d0e 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h
+++ b/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h
@@ -38,21 +38,22 @@ ENTRY(name) \
br %r14; \
L(pseudo_cancel): \
STM_##args \
- stm %r13,%r15,52(%r15); \
+ stm %r12,%r15,48(%r15); \
+ lr %r14,%r15; \
ahi %r15,-96; \
+ st %r14,0(%r15); \
basr %r13,0; \
200301: l %r1,200302f-200301b(%r13); \
- bas %r14,0(%r13,%r1); \
+ bas %r14,0(%r1,%r13); \
lr %r0,%r2; \
LM_##args \
DO_CALL(syscall_name, args); \
- l %r3,200303f-200301b(%r13); \
- lr %r4,%r13; \
- lr %r13,%r2; \
+ l %r1,200303f-200301b(%r13); \
+ lr %r12,%r2; \
lr %r2,%r0; \
- bas %r14,0(%r4,%r3); \
- lr %r2,%r13; \
- lm %r13,%r15,52+96(%r15); \
+ bas %r14,0(%r1,%r13); \
+ lr %r2,%r12; \
+ lm %r12,%r15,48+96(%r15); \
lhi %r4,-4095; \
clr %r2,%r4; \
jnl SYSCALL_ERROR_LABEL; \
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S
new file mode 100644
index 0000000000..60477231a8
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S
@@ -0,0 +1,54 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep-cancel.h>
+#define _ERRNO_H 1
+#include <bits/errno.h>
+
+/* Clone the calling process, but without copying the whole address space.
+ The calling process is suspended until the new process exits or is
+ replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
+ and the process ID of the new process to the old process. */
+
+ENTRY (__vfork)
+ SINGLE_THREAD_P
+ jne 0f
+
+ /* Do vfork system call. */
+ svc SYS_ify (vfork)
+
+ /* Check for error. */
+ lhi %r4,-4095
+ clr %r2,%r4
+ jnl SYSCALL_ERROR_LABEL
+
+ /* Normal return. */
+ br %r14
+0:
+ basr %r1,0
+1:
+ l %r1,2f-1b(%r1)
+ br %r1
+2:
+ .long HIDDEN_JUMPTARGET(__fork)
+PSEUDO_END(__vfork)
+
+libc_hidden_def (__vfork)
+
+weak_alias (__vfork, vfork)
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h b/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
index 0e3daa5d31..19ecee80ec 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
+++ b/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
@@ -39,16 +39,18 @@ ENTRY(name) \
L(pseudo_cancel): \
STM_##args \
stmg %r13,%r15,104(%r15); \
- aghi %r15,-192; \
+ lgr %r14,%r15; \
+ aghi %r15,-160; \
+ stg %r14,0(%r15); \
brasl %r14,CENABLE; \
- lr %r0,%r2; \
+ lgr %r0,%r2; \
LM_##args \
DO_CALL(syscall_name, args); \
lgr %r13,%r2; \
- lr %r2,%r0; \
+ lgr %r2,%r0; \
brasl %r14,CDISABLE; \
lgr %r2,%r13; \
- lmg %r13,%r15,104+192(%r15); \
+ lmg %r13,%r15,104+160(%r15); \
lghi %r4,-4095; \
clgr %r2,%r4; \
jnl SYSCALL_ERROR_LABEL; \
@@ -72,11 +74,11 @@ L(pseudo_end):
#define STM_5 stmg %r2,%r5,16(%r15);
#define LM_0 /* Nothing */
-#define LM_1 lg %r2,16+192(%r15);
-#define LM_2 lmg %r2,%r3,16+192(%r15);
-#define LM_3 lmg %r2,%r4,16+192(%r15);
-#define LM_4 lmg %r2,%r5,16+192(%r15);
-#define LM_5 lmg %r2,%r5,16+192(%r15);
+#define LM_1 lg %r2,16+160(%r15);
+#define LM_2 lmg %r2,%r3,16+160(%r15);
+#define LM_3 lmg %r2,%r4,16+160(%r15);
+#define LM_4 lmg %r2,%r5,16+160(%r15);
+#define LM_5 lmg %r2,%r5,16+160(%r15);
# ifndef __ASSEMBLER__
extern int __local_multiple_threads attribute_hidden;
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S
new file mode 100644
index 0000000000..e01d4389d3
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S
@@ -0,0 +1,47 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep-cancel.h>
+#define _ERRNO_H 1
+#include <bits/errno.h>
+
+/* Clone the calling process, but without copying the whole address space.
+ The calling process is suspended until the new process exits or is
+ replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
+ and the process ID of the new process to the old process. */
+
+ENTRY (__vfork)
+ SINGLE_THREAD_P
+ jgne HIDDEN_JUMPTARGET(__fork)
+
+ /* Do vfork system call. */
+ svc SYS_ify (vfork)
+
+ /* Check for error. */
+ lghi %r4,-4095
+ clgr %r2,%r4
+ jnl SYSCALL_ERROR_LABEL
+
+ /* Normal return. */
+ br %r14
+PSEUDO_END(__vfork)
+
+libc_hidden_def (__vfork)
+
+weak_alias (__vfork, vfork)