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2002-11-07 Richard Henderson <rth@redhat.com>

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* 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.
This commit is contained in:
Roland McGrath 2002-11-08 02:18:45 +00:00
parent 598b541b8c
commit e8b06fdf73
1 changed files with 15 additions and 8 deletions
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23
sysdeps/unix/sysv/linux/alpha/clone.S
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@ -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