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author | Roland McGrath <roland@hack.frob.com> | 2014-06-02 14:29:19 -0700 |
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committer | Roland McGrath <roland@hack.frob.com> | 2014-06-02 14:29:19 -0700 |
commit | d936d379eb1837c35e390b6293f15f75b634db6e (patch) | |
tree | 1f6f5f4a4baee13fa98cf504ae97d97f49263548 /nptl/sysdeps | |
parent | 9fa76613d0df2a23e2b979e2303b12d617d6729d (diff) | |
download | glibc-d936d379eb1837c35e390b6293f15f75b634db6e.tar.gz glibc-d936d379eb1837c35e390b6293f15f75b634db6e.tar.xz glibc-d936d379eb1837c35e390b6293f15f75b634db6e.zip |
SH: Consolidate NPTL/non versions of vfork
Diffstat (limited to 'nptl/sysdeps')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sh/pt-vfork.S | 65 | ||||
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sh/vfork.S | 70 |
2 files changed, 0 insertions, 135 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pt-vfork.S b/nptl/sysdeps/unix/sysv/linux/sh/pt-vfork.S deleted file mode 100644 index 1febd1fd4e..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/sh/pt-vfork.S +++ /dev/null @@ -1,65 +0,0 @@ -/* Copyright (C) 2003-2014 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> -#define _ERRNO_H 1 -#include <bits/errno.h> -#include <tcb-offsets.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) - /* Save the PID value. */ - stc gbr, r2 - mov.w .L2, r0 - mov.l @(r0,r2), r4 - neg r4, r1 - mov.l r1, @(r0,r2) - - mov.w .L1, r3 - trapa #0x10 - mov r0, r1 - - /* Restore the old PID value in the parent. */ - tst r0, r0 - bt/s 2f - stc gbr, r2 - mov.w .L2, r0 - mov.l r4, @(r0,r2) - mov r1, r0 -2: - mov #-12, r2 - shad r2, r1 - not r1, r1 // r1=0 means r0 = -1 to -4095 - tst r1, r1 // i.e. error in linux - bf .Lpseudo_end - SYSCALL_ERROR_HANDLER -.Lpseudo_end: - rts - nop -.L1: - .word __NR_vfork -.L2: - .word PID - TLS_PRE_TCB_SIZE - -PSEUDO_END (__vfork) -libc_hidden_def (__vfork) - -weak_alias (__vfork, vfork) diff --git a/nptl/sysdeps/unix/sysv/linux/sh/vfork.S b/nptl/sysdeps/unix/sysv/linux/sh/vfork.S deleted file mode 100644 index 2676858dcf..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/sh/vfork.S +++ /dev/null @@ -1,70 +0,0 @@ -/* Copyright (C) 2004-2014 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> -#define _ERRNO_H 1 -#include <bits/errno.h> -#include <tcb-offsets.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) - /* Save the PID value. */ - stc gbr, r2 - mov.w .L2, r0 - mov.l @(r0,r2), r4 - neg r4, r1 - tst r1, r1 - bf 1f - mov #1, r1 - rotr r1 -1: - mov.l r1, @(r0,r2) - - mov.w .L1, r3 - trapa #0x10 - mov r0, r1 - - /* Restore the old PID value in the parent. */ - tst r0, r0 - bt.s 2f - stc gbr, r2 - mov.w .L2, r0 - mov.l r4, @(r0,r2) - mov r1, r0 -2: - mov #-12, r2 - shad r2, r1 - not r1, r1 // r1=0 means r0 = -1 to -4095 - tst r1, r1 // i.e. error in linux - bf .Lpseudo_end - SYSCALL_ERROR_HANDLER -.Lpseudo_end: - rts - nop -.L1: - .word __NR_vfork -.L2: - .word PID - TLS_PRE_TCB_SIZE - .align 2 -PSEUDO_END (__vfork) -libc_hidden_def (__vfork) - -weak_alias (__vfork, vfork) |