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1/* longjmp for PA-RISC.
2 Copyright (C) 1997-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
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.
9
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.
14
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/>. */
18
19#include <setjmp.h>
20#include <stdlib.h>
21
22/* Jump to the position specified by ENV, causing the
23 setjmp call there to return VAL, or 1 if VAL is 0. */
24void
25__longjmp (__jmp_buf env, int val)
26{
27#ifdef CHECK_SP
28 CHECK_SP (env[0].__jmp_buf.__sp);
29#endif
30
31 /* We must use one of the non-callee saves registers
32 for env. */
33 register unsigned long r26 asm ("r26") = (unsigned long)&env[0];
34 register unsigned long r25 asm ("r25") = (unsigned long)(val == 0 ? 1 : val);
35
36 asm volatile(
37 /* Set return value. */
38 "copy %0, %%r28\n\t"
39 /* Load callee saves from r3 to r18. */
40 "ldw 0(%1), %%r3\n\t"
41 "ldw 8(%1), %%r4\n\t"
42 "ldw 12(%1), %%r5\n\t"
43 "ldw 16(%1), %%r6\n\t"
44 "ldw 20(%1), %%r7\n\t"
45 "ldw 24(%1), %%r8\n\t"
46 "ldw 28(%1), %%r9\n\t"
47 "ldw 32(%1), %%r10\n\t"
48 "ldw 36(%1), %%r11\n\t"
49 "ldw 40(%1), %%r12\n\t"
50 "ldw 44(%1), %%r13\n\t"
51 "ldw 48(%1), %%r14\n\t"
52 "ldw 52(%1), %%r15\n\t"
53 "ldw 56(%1), %%r16\n\t"
54 "ldw 60(%1), %%r17\n\t"
55 "ldw 64(%1), %%r18\n\t"
56 /* Load PIC register. */
57 "ldw 68(%1), %%r19\n\t"
58 /* Load static link register. */
59 "ldw 72(%1), %%r27\n\t"
60 /* Load stack pointer. */
61 "ldw 76(%1), %%r30\n\t"
62 /* Load return pointer. */
63 "ldw 80(%1), %%rp\n\t"
64 /* Ues a spare caller saves register. */
65 "ldo 88(%1),%%r25\n\t"
66 /* Load callee saves from fr12 to fr21. */
67 "fldds,ma 8(%%r25), %%fr12\n\t"
68 "fldds,ma 8(%%r25), %%fr13\n\t"
69 "fldds,ma 8(%%r25), %%fr14\n\t"
70 "fldds,ma 8(%%r25), %%fr15\n\t"
71 "fldds,ma 8(%%r25), %%fr16\n\t"
72 "fldds,ma 8(%%r25), %%fr17\n\t"
73 "fldds,ma 8(%%r25), %%fr18\n\t"
74 "fldds,ma 8(%%r25), %%fr19\n\t"
75 "fldds,ma 8(%%r25), %%fr20\n\t"
76 "fldds 0(%%r25), %%fr21\n\t"
77 /* Jump back to stored return address. */
78 "bv,n %%r0(%%r2)\n\t"
79 : /* No outputs. */
80 : "r" (r25), "r" (r26)
81 : /* No point in clobbers. */ );
82
83 /* Avoid `volatile function does return' warnings. */
84 for (;;);
85}
86

Warning: That file was not part of the compilation database. It may have many parsing errors.