003 File Manager
Current Path:
/usr/src/lib/libc/amd64/gen
usr
/
src
/
lib
/
libc
/
amd64
/
gen
/
📁
..
📄
Makefile.inc
(286 B)
📄
_set_tp.c
(1.53 KB)
📄
_setjmp.S
(3.05 KB)
📄
fabs.S
(1.61 KB)
📄
flt_rounds.c
(476 B)
📄
fpgetmask.c
(123 B)
📄
fpgetprec.c
(121 B)
📄
fpgetround.c
(122 B)
📄
fpgetsticky.c
(127 B)
📄
fpsetmask.c
(135 B)
📄
fpsetprec.c
(131 B)
📄
fpsetround.c
(131 B)
📄
infinity.c
(276 B)
📄
makecontext.c
(3.53 KB)
📄
rfork_thread.S
(2.57 KB)
📄
setjmp.S
(3.56 KB)
📄
signalcontext.c
(3.48 KB)
📄
sigsetjmp.S
(3.72 KB)
Editing: rfork_thread.S
/*- * Copyright (c) 2000 Peter Wemm <peter@FreeBSD.org> * Copyright (c) 2003 Alan L. Cox <alc@cs.rice.edu> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <machine/asm.h> __FBSDID("$FreeBSD$"); /* * With thanks to John Dyson for the original version of this. */ #include <SYS.h> /* * %edi %rsi %rdx %rcx * rfork_thread(flags, stack_addr, start_fnc, start_arg); * * flags: Flags to rfork system call. See rfork(2). * stack_addr: Top of stack for thread. * start_fnc: Address of thread function to call in child. * start_arg: Argument to pass to the thread function in child. */ ENTRY(rfork_thread) pushq %rbx pushq %r12 movq %rdx, %rbx movq %rcx, %r12 /* * Prepare and execute the thread creation syscall */ movq $SYS_rfork, %rax KERNCALL jb 2f /* * Check to see if we are in the parent or child */ cmpl $0, %edx jnz 1f popq %r12 popq %rbx ret /* * If we are in the child (new thread), then * set-up the call to the internal subroutine. If it * returns, then call __exit. */ 1: movq %rsi, %rsp movq %r12, %rdi call *%rbx movl %eax, %edi /* * Exit system call */ movq $SYS_exit, %rax KERNCALL /* * Branch here if the thread creation fails: */ 2: popq %r12 popq %rbx jmp HIDENAME(cerror) END(rfork_thread) .section .note.GNU-stack,"",%progbits
Upload File
Create Folder