From e8b06fdf73f9fcb3cabb42e1f7e1e9b23d31c255 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Fri, 8 Nov 2002 02:18:45 +0000 Subject: [PATCH] 2002-11-07 Richard Henderson * elf/tls-macros.h: Add alpha versions. * sysdeps/alpha/dl-machine.h (elf_machine_rela): Handle TLS relocs. * sysdeps/unix/alpha/sysdep.S: Support USE___THREAD. * sysdeps/unix/alpha/sysdep.h: Likewise. Add SYSCALL_ERROR_HANDLER. * sysdeps/unix/sysv/linux/alpha/brk.S: Use it. * sysdeps/unix/sysv/linux/alpha/clone.S: Likewise. * sysdeps/unix/sysv/linux/alpha/getitimer.S: Likewise. * sysdeps/unix/sysv/linux/alpha/getrusage.S: Likewise. * sysdeps/unix/sysv/linux/alpha/gettimeofday.S: Likewise. * sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S: Likewise. * sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S: Likewise. * sysdeps/unix/sysv/linux/alpha/rt_sigaction.S: Likewise. * sysdeps/unix/sysv/linux/alpha/select.S: Likewise. * sysdeps/unix/sysv/linux/alpha/setitimer.S: Likewise. * sysdeps/unix/sysv/linux/alpha/settimeofday.S: Likewise. * sysdeps/unix/sysv/linux/alpha/sigsuspend.S: Likewise. * sysdeps/unix/sysv/linux/alpha/syscall.S: Likewise. * sysdeps/unix/sysv/linux/alpha/utimes.S: Likewise. * sysdeps/unix/sysv/linux/alpha/wait4.S: Likewise. * sysdeps/unix/sysv/linux/alpha/clone.S: Add user_tid and tls args. --- sysdeps/unix/sysv/linux/alpha/clone.S | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/sysdeps/unix/sysv/linux/alpha/clone.S b/sysdeps/unix/sysv/linux/alpha/clone.S index f1f6214..42df98a 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 , 1996. @@ -24,7 +24,9 @@ #define _ERRNO_H 1 #include -/* 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 -- 2.7.4