1 /* $NetBSD: sigsetjmp.S,v 1.12 2013/09/14 05:38:00 nakayama Exp $ */
3 * Copyright (c) 1995 Paul Kranenburg
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Paul Kranenburg.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 * We use the sc_npc field inside the sigcontext to store the save mask
38 #define MASK_OFFSET 0x68
43 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE
44 st %o1,[%o0+MASK_OFFSET] ! end of jmpbuf
45 sethi %hi(_C_LABEL(__setjmp14)), %o2
46 sethi %hi(_C_LABEL(_setjmp)), %o3
47 or %o2, %lo(_C_LABEL(__setjmp14)), %o2
48 or %o3, %lo(_C_LABEL(_setjmp)), %o3
50 ldx [%g1+%o3], %o3 ! if (%o1 == 0) goto _setjmp;
51 ldx [%g1+%o2], %o3 ! else goto __setjmp;
57 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE
58 ld [%o0+MASK_OFFSET], %o2 ! end of jmpbuf
59 sethi %hi(_C_LABEL(__longjmp14)), %o3
60 sethi %hi(_C_LABEL(_longjmp)), %o4
61 or %o3, %lo(_C_LABEL(__longjmp14)), %o3
62 or %o4, %lo(_C_LABEL(_longjmp)), %o4
64 ldx [%g1+%o4], %o4 ! if (%o2 == 0) goto _longjmp;
65 ldx [%g1+%o3], %o4 ! else goto __longjmp;
71 #elif __PIC__ - 0 >= 1
74 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE
76 st %o1,[%o0+MASK_OFFSET] ! end of jmpbuf
78 ldx [%g1+_C_LABEL(__setjmp14)], %g1 ! if (%o1 != 0) goto __setjmp;
79 ldx [%g1+_C_LABEL(_setjmp)], %g1 ! else goto _setjmp;
85 PIC_PROLOGUE(%g1,%o2) ! %g1 = _GLOBAL_OFFSET_TABLE
86 ld [%o0+MASK_OFFSET],%o2 ! end of jmpbuf
89 ldx [%g1+_C_LABEL(__longjmp14)], %g1 ! if (%o2 != 0) goto __longjmp;
90 ldx [%g1+_C_LABEL(_longjmp)], %g1 ! else goto _longjmp;
101 st %o1,[%o0+MASK_OFFSET] ! end of jmpbuf
102 ba,a _C_LABEL(__setjmp14)
105 ENTRY(__siglongjmp14)
106 ld [%o0+MASK_OFFSET],%g1
108 be _C_LABEL(_longjmp)
110 ba,a _C_LABEL(__longjmp14)
113 #endif /* !__PIC__ */