glibc/sysdeps/unix/sysv/linux/alpha/gettimeofday.S
Roland McGrath c6481412ff * configure.in (ASM_ALPHA_NG_SYMBOL_PREFIX): Remove test.
* configure: Regenerated.
	* config.h.in (ASM_ALPHA_NG_SYMBOL_PREFIX): Remove #undef.
	* sysdeps/alpha/dl-machine.h (TRAMPOLINE_TEMPLATE): Use !samegp.
	(RTLD_START): Likewise.  Access _dl_skip_args, _rtld_local, and
	_dl_fini via gp-relative relocations.
	* sysdeps/alpha/fpu/e_sqrt.c: Use !samegp.

	* 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/sysdep.h: Re-include protect.
	Kill argument registers across the inline syscall.

	* sysdeps/unix/sysv/linux/alpha/clone.S: Add user_tid and tls args.

	* linuxthreads/sysdeps/alpha/tls.h: New file.
	* sysdeps/alpha/dl-tls.h: New file.
2002-11-08 02:20:41 +00:00

113 lines
2.9 KiB
ArmAsm

/* Copyright (C) 1998, 2002 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. */
#include <sysdep.h>
#define _ERRNO_H 1
#include <bits/errno.h>
/* The problem here is that initially we made struct timeval compatible with
OSF/1, using int32. But we defined time_t with uint64, and later found
that POSIX requires tv_sec to be time_t.
So now we have to do compatibility stuff. */
/* The variable is shared between all wrappers around signal handling
functions which have RT equivalents. */
.comm __libc_missing_axp_tv64, 4
.text
#if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
#define GETTIMEOFDAY __gettimeofday_tv64
#else
#define GETTIMEOFDAY __gettimeofday
#endif
LEAF(GETTIMEOFDAY, 16)
ldgp gp, 0(pv)
subq sp, 16, sp
#ifdef PROF
.set noat
lda AT, _mcount
jsr AT, (AT), _mcount
.set at
#endif
.prologue 1
ldl t0, __libc_missing_axp_tv64
/* Save arguments in case we do need to fall back. */
stq a0, 0(sp)
stq a1, 8(sp)
bne t0, $do32
ldi v0, SYS_ify(gettimeofday)
callsys
bne a3, $err64
/* Everything ok. */
addq sp, 16, sp
ret
/* If we didn't get ENOSYS, it is a real error. */
.align 3
$err64: cmpeq v0, ENOSYS, t0
beq t0, $error
stl t0, __libc_missing_axp_tv64
/* Recover the saved arguments. */
ldq a1, 8(sp)
ldq a0, 0(sp)
.align 3
$do32: ldi v0, SYS_ify(osf_gettimeofday)
callsys
bne a3, $error
/* Copy back to proper format. */
ldq a0, 0(sp)
beq a0, 2f
ldl t0, 0(a0)
ldl t1, 4(a0)
stq t0, 0(a0)
stq t1, 0(a0)
2: addq sp, 16, sp
ret
.align 3
$error:
addq sp, 16, sp
SYSCALL_ERROR_HANDLER
END(GETTIMEOFDAY)
#if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
default_symbol_version (__gettimeofday_tv64, __gettimeofday, GLIBC_2.1)
/* It seems to me to be a misfeature of the assembler that we can only
have one version-alias per symbol. So create an alias ourselves.
The 'p' is for 'public'. *Shrug* */
strong_alias (__gettimeofday_tv64, __gettimeofday_tv64p)
default_symbol_version (__gettimeofday_tv64p, gettimeofday, GLIBC_2.1)
#else
weak_alias (__gettimeofday, gettimeofday)
#endif
strong_alias(GETTIMEOFDAY, __gettimeofday_internal)