1
/* longjmp for PA-RISC.
2
Copyright (C) 1997-2012 Free Software Foundation, Inc.
3
This file is part of the GNU C Library.
5
The GNU C Library is free software; you can redistribute it and/or
6
modify it under the terms of the GNU Lesser General Public
7
License as published by the Free Software Foundation; either
8
version 2.1 of the License, or (at your option) any later version.
10
The GNU C Library is distributed in the hope that it will be useful,
11
but WITHOUT ANY WARRANTY; without even the implied warranty of
12
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13
Lesser General Public License for more details.
15
You should have received a copy of the GNU Lesser General Public
16
License along with the GNU C Library. If not, see
17
<http://www.gnu.org/licenses/>. */
22
/* Jump to the position specified by ENV, causing the
23
setjmp call there to return VAL, or 1 if VAL is 0. */
25
__longjmp (__jmp_buf env, int val)
27
/* We must use one of the non-callee saves registers
29
register unsigned long r26 asm ("r26") = (unsigned long)&env[0];
32
CHECK_SP (env[0].__jmp_buf.__sp);
36
/* Set return value. */
38
/* Load callee saves from r3 to r18. */
41
"ldw 12(%1), %%r5\n\t"
42
"ldw 16(%1), %%r6\n\t"
43
"ldw 20(%1), %%r7\n\t"
44
"ldw 24(%1), %%r8\n\t"
45
"ldw 28(%1), %%r9\n\t"
46
"ldw 32(%1), %%r10\n\t"
47
"ldw 36(%1), %%r11\n\t"
48
"ldw 40(%1), %%r12\n\t"
49
"ldw 44(%1), %%r13\n\t"
50
"ldw 48(%1), %%r14\n\t"
51
"ldw 52(%1), %%r15\n\t"
52
"ldw 56(%1), %%r16\n\t"
53
"ldw 60(%1), %%r17\n\t"
54
"ldw 64(%1), %%r18\n\t"
55
/* Load PIC register. */
56
"ldw 68(%1), %%r19\n\t"
57
/* Load static link register. */
58
"ldw 72(%1), %%r27\n\t"
59
/* Load stack pointer. */
60
"ldw 76(%1), %%r30\n\t"
61
/* Load return pointer. */
62
"ldw 80(%1), %%rp\n\t"
63
/* Ues a spare caller saves register. */
64
"ldo 88(%1),%%r20\n\t"
65
/* Load callee saves from fr12 to fr21. */
66
"fldds,ma 8(%%r20), %%fr12\n\t"
67
"fldds,ma 8(%%r20), %%fr13\n\t"
68
"fldds,ma 8(%%r20), %%fr14\n\t"
69
"fldds,ma 8(%%r20), %%fr15\n\t"
70
"fldds,ma 8(%%r20), %%fr16\n\t"
71
"fldds,ma 8(%%r20), %%fr17\n\t"
72
"fldds,ma 8(%%r20), %%fr18\n\t"
73
"fldds,ma 8(%%r20), %%fr19\n\t"
74
"fldds,ma 8(%%r20), %%fr20\n\t"
75
"fldds 0(%%r20), %%fr21\n\t"
76
/* Jump back to stored return address. */
79
: "r" (val == 0 ? 1 : val), "r" (r26)
80
: /* No point in clobbers. */ );
81
/* Avoid `volatile function does return' warnings. */