This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
122 lines
3.3 KiB
ArmAsm
122 lines
3.3 KiB
ArmAsm
/* $NetBSD: compat_sigsetjmp.S,v 1.5 2006/01/05 19:21:37 uwe Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1990 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* William Jolitz.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* from: @(#)setjmp.s 5.1 (Berkeley) 4/23/90"
|
|
*/
|
|
|
|
#include <machine/asm.h>
|
|
#include <machine/setjmp.h>
|
|
|
|
#if defined(LIBC_SCCS)
|
|
RCSID("$NetBSD: compat_sigsetjmp.S,v 1.5 2006/01/05 19:21:37 uwe Exp $")
|
|
#endif
|
|
|
|
ENTRY(sigsetjmp)
|
|
tst r5, r5
|
|
mov.l r5, @(_JB_HAS_MASK * 4, r4)
|
|
bt 2f /* if (savemask == 0) */
|
|
|
|
PIC_PROLOGUE(.L_got_1)
|
|
sts.l pr, @-sp
|
|
mov.l r4, @-sp
|
|
|
|
mov.l .L_sigblock, r0
|
|
1: CALL r0 /* int mask = sigblock(0); */
|
|
mov #0, r4
|
|
|
|
mov.l @sp+, r4
|
|
lds.l @sp+, pr
|
|
PIC_EPILOGUE
|
|
|
|
mov.l r0, @(_JB_SIGMASK * 4, r4)
|
|
|
|
2: /* identical to _setjmp sans mask */
|
|
add #((_JB_REG_R15 + 1) * 4), r4
|
|
mov.l r15, @-r4
|
|
mov.l r14, @-r4
|
|
mov.l r13, @-r4
|
|
mov.l r12, @-r4
|
|
mov.l r11, @-r4
|
|
mov.l r10, @-r4
|
|
mov.l r9, @-r4
|
|
mov.l r8, @-r4
|
|
sts.l pr, @-r4
|
|
rts
|
|
xor r0, r0
|
|
|
|
.align 2
|
|
.L_got_1: PIC_GOT_DATUM
|
|
.L_sigblock: CALL_DATUM(_C_LABEL(sigblock), 1b)
|
|
SET_ENTRY_SIZE(sigsetjmp)
|
|
|
|
|
|
ENTRY(siglongjmp)
|
|
mov.l @(_JB_HAS_MASK * 4, r4), r0
|
|
tst r0, r0
|
|
bt 2f /* if no mask */
|
|
|
|
/* we won't return here, so we don't need to save pr and r12 */
|
|
PIC_PROLOGUE_NOSAVE(.L_got_2)
|
|
mov.l r5, @-sp
|
|
mov.l r4, @-sp
|
|
|
|
mov.l .L_sigsetmask, r0
|
|
1: CALL r0 /* sigsetmask(saved mask) */
|
|
mov.l @(_JB_SIGMASK * 4, r4), r4
|
|
|
|
mov.l @sp+, r4
|
|
mov.l @sp+, r5
|
|
|
|
2: /* identical to _longjmp */
|
|
lds.l @r4+, pr
|
|
mov.l @r4+, r8
|
|
mov.l @r4+, r9
|
|
mov.l @r4+, r10
|
|
mov.l @r4+, r11
|
|
mov.l @r4+, r12
|
|
mov.l @r4+, r13
|
|
mov.l @r4+, r14
|
|
mov.l @r4+, r15
|
|
|
|
mov r5, r0
|
|
tst r0, r0 /* make sure return value is non-zero */
|
|
bf .L0
|
|
add #1, r0
|
|
.L0:
|
|
rts
|
|
nop
|
|
|
|
.align 2
|
|
.L_got_2: PIC_GOT_DATUM
|
|
.L_sigsetmask: CALL_DATUM(_C_LABEL(sigsetmask), 1b)
|
|
SET_ENTRY_SIZE(siglongjmp)
|