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authorRoland McGrath <roland@hack.frob.com>2014-06-02 14:29:19 -0700
committerRoland McGrath <roland@hack.frob.com>2014-06-02 14:29:19 -0700
commitd936d379eb1837c35e390b6293f15f75b634db6e (patch)
tree1f6f5f4a4baee13fa98cf504ae97d97f49263548 /nptl/sysdeps
parent9fa76613d0df2a23e2b979e2303b12d617d6729d (diff)
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SH: Consolidate NPTL/non versions of vfork
Diffstat (limited to 'nptl/sysdeps')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/pt-vfork.S65
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/vfork.S70
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)