about summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/alpha/fraiseexcpt.S
blob: b8f344e6117d7d50e22d59e1edc122bc5d2e1dbc (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
/* Copyright (C) 2004-2014 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, see
   <http://www.gnu.org/licenses/>.  */

#include <sysdep.h>
#include "kernel_sysinfo.h"


	.text

ENTRY(__feraiseexcept)
	cfi_startproc
	PSEUDO_PROLOGUE

	lda	sp, -16(sp)
	cfi_adjust_cfa_offset(16)

	ldi	v0, __NR_osf_setsysinfo
	stq	a0, 0(sp)
	mov	sp, a1
	ldi	a0, SSI_IEEE_RAISE_EXCEPTION
	call_pal PAL_callsys

	lda	sp, 16(sp)
	cfi_adjust_cfa_offset(-16)

	/* Here in libm we can't use SYSCALL_ERROR_LABEL.  Nor is it clear
	   that we'd want to set errno anyway.  All we're required to do is
	   return non-zero on error.  Which is exactly A3.  */
	mov	a3, v0
	ret

END(__feraiseexcept)
	cfi_endproc

#if IS_IN (libm)
# include <shlib-compat.h>
# if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
strong_alias (__feraiseexcept, __old_feraiseexcept)
compat_symbol (libm, __old_feraiseexcept, feraiseexcept, GLIBC_2_1);
# endif
libm_hidden_ver (__feraiseexcept, feraiseexcept)
versioned_symbol (libm, __feraiseexcept, feraiseexcept, GLIBC_2_2);
#endif