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author | Roland McGrath <roland@gnu.org> | 2005-07-03 04:40:34 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 2005-07-03 04:40:34 +0000 |
commit | 88e3fbcb5d6829f8980d6bb356b1c0cd7a38187b (patch) | |
tree | 41b73f55c91439f87d82e5d32b9d8e46e82ce3c1 /linuxthreads/sysdeps/unix/sysv/linux/mips/vfork.S | |
parent | d19b1b4f2ff49e085b55e8564b52ca17b028e335 (diff) | |
download | glibc-88e3fbcb5d6829f8980d6bb356b1c0cd7a38187b.tar.gz |
linuxthreads, linuxthreads_db: Directories removed (preserved in ports repository).
Diffstat (limited to 'linuxthreads/sysdeps/unix/sysv/linux/mips/vfork.S')
-rw-r--r-- | linuxthreads/sysdeps/unix/sysv/linux/mips/vfork.S | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/mips/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/mips/vfork.S deleted file mode 100644 index 7bbab5c59c..0000000000 --- a/linuxthreads/sysdeps/unix/sysv/linux/mips/vfork.S +++ /dev/null @@ -1,104 +0,0 @@ -/* Copyright (C) 2005 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* vfork() is just a special case of clone(). */ - -#include <sys/asm.h> -#include <sysdep.h> -#include <asm/unistd.h> - -/* int vfork() */ - - .text -LOCALSZ= 1 -FRAMESZ= (((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK -GPOFF= FRAMESZ-(1*SZREG) -NESTED(__vfork,FRAMESZ,sp) -#ifdef __PIC__ - SETUP_GP -#endif - PTR_SUBU sp, FRAMESZ - SETUP_GP64 (a5, __vfork) -#ifdef __PIC__ - SAVE_GP (GPOFF) -#endif -#ifdef PROF -# if (_MIPS_SIM != _ABIO32) - PTR_S a5, GPOFF(sp) -# endif - .set noat - move $1, ra -# if (_MIPS_SIM == _ABIO32) - subu sp,sp,8 -# endif - jal _mcount - .set at -# if (_MIPS_SIM != _ABIO32) - PTR_L a5, GPOFF(sp) -# endif -#endif - - /* If libpthread is loaded, we need to call fork instead. */ -#ifdef SHARED - PTR_L a0, __libc_pthread_functions -#else - .weak pthread_create - PTR_LA a0, pthread_create -#endif - - PTR_ADDU sp, FRAMESZ - - bnez a0, L(call_fork) - - li a0, 0x4112 /* CLONE_VM | CLONE_VFORK | SIGCHLD */ - move a1, sp - - /* Do the system call */ - li v0,__NR_clone - syscall - - bnez a3,L(error) - - /* Successful return from the parent or child. */ - RESTORE_GP64 - ret - - /* Something bad happened -- no child created. */ -L(error): -#ifdef __PIC__ - PTR_LA t9, __syscall_error - RESTORE_GP64 - jr t9 -#else - RESTORE_GP64 - j __syscall_error -#endif - -L(call_fork): -#ifdef __PIC__ - PTR_LA t9, fork - RESTORE_GP64 - jr t9 -#else - RESTORE_GP64 - j fork -#endif - END(__vfork) - -libc_hidden_def(__vfork) -weak_alias (__vfork, vfork) |