From 39507e4a6c52d67780d194dae8cfb636e2dbb87e Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Thu, 26 Jun 2014 09:30:52 -0700 Subject: [PATCH] S390: Consolidate NPTL/non versions of vfork --- ChangeLog | 16 ++++++ .../unix/sysv/linux/s390/s390-32/pt-vfork.S | 52 ------------------ .../unix/sysv/linux/s390/s390-64/pt-vfork.S | 55 ------------------- sysdeps/unix/sysv/linux/s390/pt-vfork.S | 1 + .../sysv/linux/s390/s390-32/syscalls.list | 1 - .../unix/sysv/linux/s390/s390-32/vfork.S | 10 +++- .../sysv/linux/s390/s390-64/syscalls.list | 2 - .../unix/sysv/linux/s390/s390-64/vfork.S | 11 ++-- 8 files changed, 31 insertions(+), 117 deletions(-) delete mode 100644 nptl/sysdeps/unix/sysv/linux/s390/s390-32/pt-vfork.S delete mode 100644 nptl/sysdeps/unix/sysv/linux/s390/s390-64/pt-vfork.S create mode 100644 sysdeps/unix/sysv/linux/s390/pt-vfork.S rename {nptl/sysdeps => sysdeps}/unix/sysv/linux/s390/s390-32/vfork.S (91%) rename {nptl/sysdeps => sysdeps}/unix/sysv/linux/s390/s390-64/vfork.S (91%) diff --git a/ChangeLog b/ChangeLog index 4d88bf9577..b71bf3b7e2 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,21 @@ 2014-06-26 Roland McGrath + * nptl/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S: Moved ... + * sysdeps/unix/sysv/linux/s390/s390-32/vfork.S: ... here. + (__libc_vfork): Define the function under this name. + [!NOT_IN_libc] (__vfork): Make this an alias. + [!NOT_IN_libc] (vfork): Conditionalize the weak_alias. + * nptl/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S: Moved ... + * sysdeps/unix/sysv/linux/s390/s390-64/vfork.S: ... here. + (__libc_vfork): Define the function under this name. + [!NOT_IN_libc] (__vfork): Make this an alias. + [!NOT_IN_libc] (vfork): Conditionalize the weak_alias. + * sysdeps/unix/sysv/linux/s390/pt-vfork.S: New file. + * nptl/sysdeps/unix/sysv/linux/s390/s390-32/pt-vfork.S: File removed. + * nptl/sysdeps/unix/sysv/linux/s390/s390-64/pt-vfork.S: File removed. + * sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list: Remove vfork. + * sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list: Likewise. + * sysdeps/unix/sysv/linux/s390/s390-32/clone.S: Deconditionalize the code that was previously under [RESET_PID]. * sysdeps/unix/sysv/linux/s390/s390-64/clone.S: Likewise. diff --git a/nptl/sysdeps/unix/sysv/linux/s390/s390-32/pt-vfork.S b/nptl/sysdeps/unix/sysv/linux/s390/s390-32/pt-vfork.S deleted file mode 100644 index 4908562221..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/s390/s390-32/pt-vfork.S +++ /dev/null @@ -1,52 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Martin Schwidefsky , 2003. - - 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 - . */ - -#include -#define _ERRNO_H 1 -#include -#include -#include - -/* 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) - ear %r4,%a0 - l %r3,PID(%r4) - lcr %r1,%r3 - st %r1,PID(%r4) - - /* Do vfork system call. */ - svc SYS_ify (vfork) - - ltr %r2,%r2 - je 1f - st %r3,PID(%r4) -1: - /* Check for error. */ - lhi %r4,-4095 - clr %r2,%r4 - jnl SYSCALL_ERROR_LABEL - - /* Normal return. */ - br %r14 -PSEUDO_END(__vfork) - -weak_alias (__vfork, vfork) diff --git a/nptl/sysdeps/unix/sysv/linux/s390/s390-64/pt-vfork.S b/nptl/sysdeps/unix/sysv/linux/s390/s390-64/pt-vfork.S deleted file mode 100644 index 589209d572..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/s390/s390-64/pt-vfork.S +++ /dev/null @@ -1,55 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Martin Schwidefsky , 2003. - - 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 - . */ - -#include -#define _ERRNO_H 1 -#include -#include -#include - -/* 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) - - ear %r4,%a0 - sllg %r4,%r4,32 - ear %r4,%a1 - l %r3,PID(%r4) - lcr %r1,%r3 - st %r1,PID(%r4) - - /* Do vfork system call. */ - svc SYS_ify (vfork) - - ltgr %r2,%r2 - je 1f - st %r3,PID(%r4) -1: - /* Check for error. */ - lghi %r4,-4095 - clgr %r2,%r4 - jgnl SYSCALL_ERROR_LABEL - - /* Normal return. */ - br %r14 -PSEUDO_END(__vfork) - -weak_alias (__vfork, vfork) diff --git a/sysdeps/unix/sysv/linux/s390/pt-vfork.S b/sysdeps/unix/sysv/linux/s390/pt-vfork.S new file mode 100644 index 0000000000..65cc3823ac --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/pt-vfork.S @@ -0,0 +1 @@ +#include diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list b/sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list index e946d332d5..ce9f21081a 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list +++ b/sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list @@ -2,7 +2,6 @@ oldgetrlimit EXTRA getrlimit i:ip __old_getrlimit getrlimit@GLIBC_2.0 oldsetrlimit EXTRA setrlimit i:ip __old_setrlimit setrlimit@GLIBC_2.0 -vfork - vfork 0 __vfork vfork prlimit64 EXTRA prlimit64 i:iipp prlimit64 fanotify_mark EXTRA fanotify_mark i:iiiiis fanotify_mark diff --git a/nptl/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S b/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S similarity index 91% rename from nptl/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S rename to sysdeps/unix/sysv/linux/s390/s390-32/vfork.S index 45411bad43..290e464089 100644 --- a/nptl/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S +++ b/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S @@ -27,7 +27,7 @@ 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) +ENTRY (__libc_vfork) ear %r4,%a0 lhi %r1,1 icm %r3,15,PID(%r4) @@ -50,6 +50,10 @@ ENTRY (__vfork) /* Normal return. */ br %r14 -PSEUDO_END(__vfork) +PSEUDO_END (__libc_vfork) + +#if !NOT_IN_libc +weak_alias (__libc_vfork, vfork) +strong_alias (__libc_vfork, __vfork) libc_hidden_def (__vfork) -weak_alias (__vfork, vfork) +#endif diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list b/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list index b826c5d074..5b8c1024ac 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list +++ b/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list @@ -1,7 +1,5 @@ # File name Caller Syscall name # args Strong name Weak names -vfork - vfork 0 __vfork vfork - # semaphore and shm system calls msgctl - msgctl i:iip __msgctl msgctl msgget - msgget i:ii __msgget msgget diff --git a/nptl/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S b/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S similarity index 91% rename from nptl/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S rename to sysdeps/unix/sysv/linux/s390/s390-64/vfork.S index 205e893089..7de1bb07ad 100644 --- a/nptl/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S +++ b/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S @@ -27,8 +27,7 @@ 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) - +ENTRY (__libc_vfork) ear %r4,%a0 sllg %r4,%r4,32 ear %r4,%a1 @@ -52,6 +51,10 @@ ENTRY (__vfork) /* Normal return. */ br %r14 -PSEUDO_END(__vfork) +PSEUDO_END (__libc_vfork) + +#if !NOT_IN_libc +weak_alias (__libc_vfork, vfork) +strong_alias (__libc_vfork, __vfork) libc_hidden_def (__vfork) -weak_alias (__vfork, vfork) +#endif