diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/clone.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/clone.S | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/clone.S b/sysdeps/unix/sysv/linux/alpha/clone.S index f1f62146ac..42df98a9b4 100644 --- a/sysdeps/unix/sysv/linux/alpha/clone.S +++ b/sysdeps/unix/sysv/linux/alpha/clone.S @@ -1,4 +1,4 @@ -/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. +/* Copyright (C) 1996, 1997, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu>, 1996. @@ -24,7 +24,9 @@ #define _ERRNO_H 1 #include <bits/errno.h> -/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg) */ +/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg, + pid_t *tid, void *tls); + */ .text ENTRY(__clone) @@ -49,24 +51,29 @@ ENTRY(__clone) stq a0,0(a1) stq a3,8(a1) - /* Do the system call */ + /* Shift the flags, tid and tls arguments into place; the + child_stack argument is already correct. */ mov a2,a0 + mov a4,a2 + mov a5,a3 + + /* Do the system call. */ ldiq v0,__NR_clone call_pal PAL_callsys bne a3,$error beq v0,thread_start - /* Successful return from the parent */ + /* Successful return from the parent. */ ret - /* Something bad happened -- no child created */ + /* Something bad happened -- no child created. */ $error: #ifndef PROF br gp,1f 1: ldgp gp,0(gp) #endif - jmp zero,__syscall_error + SYSCALL_ERROR_HANDLER END(__clone) @@ -85,11 +92,11 @@ thread_start: ldq a0,8(sp) addq sp,16,sp - /* Call the user's function */ + /* Call the user's function. */ jsr ra,(pv) ldgp gp,0(ra) - /* Call _exit rather than doing it inline for breakpoint purposes */ + /* Call _exit rather than doing it inline for breakpoint purposes. */ mov v0,a0 jsr ra,_exit |