Sat May 4 14:48:28 2024 UTC (28d)
Remove magic numbers. NFCI.


(skrll)
diff -r1.6 -r1.7 src/lib/libc/arch/hppa/gen/_setjmp.S
cvs diff -r1.6 -r1.7 src/lib/libc/arch/hppa/gen/_setjmp.S (expand / switch to unified diff)

--- src/lib/libc/arch/hppa/gen/_setjmp.S 2020/05/05 06:20:55 1.6
+++ src/lib/libc/arch/hppa/gen/_setjmp.S 2024/05/04 14:48:28 1.7
@@ -1,14 +1,14 @@ @@ -1,14 +1,14 @@
1/* $NetBSD: _setjmp.S,v 1.6 2020/05/05 06:20:55 skrll Exp $ */ 1/* $NetBSD: _setjmp.S,v 1.7 2024/05/04 14:48:28 skrll Exp $ */
2 2
3/*- 3/*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * This code is derived from software contributed to The NetBSD Foundation 7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Matthew Fredette. 8 * by Matthew Fredette.
9 * 9 *
10 * Redistribution and use in source and binary forms, with or without 10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions 11 * modification, are permitted provided that the following conditions
12 * are met: 12 * are met:
13 * 1. Redistributions of source code must retain the above copyright 13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer. 14 * notice, this list of conditions and the following disclaimer.
@@ -19,107 +19,109 @@ @@ -19,107 +19,109 @@
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE. 29 * POSSIBILITY OF SUCH DAMAGE.
30 */ 30 */
31 31
 32#include "assym.h"
 33
32#include <machine/asm.h> 34#include <machine/asm.h>
33#include <machine/frame.h> 35#include <machine/frame.h>
34 36
35#if defined(LIBC_SCCS) && !defined(lint) 37#if defined(LIBC_SCCS) && !defined(lint)
36 RCSID("$NetBSD: _setjmp.S,v 1.6 2020/05/05 06:20:55 skrll Exp $") 38 RCSID("$NetBSD: _setjmp.S,v 1.7 2024/05/04 14:48:28 skrll Exp $")
37#endif /* LIBC_SCCS and not lint */ 39#endif /* LIBC_SCCS and not lint */
38 40
39/* 41/*
40 * C library -- setjmp, longjmp 42 * C library -- setjmp, longjmp
41 * 43 *
42 * longjmp(a,v) 44 * longjmp(a,v)
43 * will generate a "return(v)" from 45 * will generate a "return(v)" from
44 * the last call to 46 * the last call to
45 * setjmp(a) 47 * setjmp(a)
46 * by restoring registers from the stack, 48 * by restoring registers from the stack,
47 * and a struct sigcontext, see <signal.h> 49 * and a struct sigcontext, see <signal.h>
48 */ 50 */
49 51
50ENTRY(_setjmp,0) 52ENTRY(_setjmp,0)
51 /* A sigcontext is at the beginning of our jmp_buf. */ 53 /* A sigcontext is at the beginning of our jmp_buf. */
52 stw %r0, 0(%arg0) ; no onstack 54 stw %r0, _SC_ONSTACK(%arg0) ; no onstack
53 stw %r0, 4(%arg0) ; unused word (old style signal mask) 55 stw %r0, _SC_MASK13(%arg0) ; unused word (old style signal mask)
54 stw %sp, 8(%arg0) ; sc.sc_sp = %sp 56 stw %sp, _SC_REGS_SP(%arg0) ; sc.sc_sp = %sp
55 stw %r0, 16(%arg0) ; sc.sc_ap = NULL 57 stw %r0, _SC_REGS_AP(%arg0) ; sc.sc_ap = NULL
56 mfsp %sr0, %r1 58 mfsp %sr0, %r1
57 stw %r1, 20(%arg0) ; sc.sc_pcsqh = %sr0 59 stw %r1, _SC_REGS_PCSQH(%arg0) ; sc.sc_pcsqh = %sr0
58 stw %rp, 24(%arg0) ; sc.sc_pcoqh = %rp 60 stw %rp, _SC_REGS_PCOQH(%arg0) ; sc.sc_pcoqh = %rp
59 stw %r1, 28(%arg0) ; sc.sc_pcsqh = %sr0 61 stw %r1, _SC_REGS_PCSQT(%arg0) ; sc.sc_pcsqh = %sr0
60 ldo 4(%rp), %r1 62 ldo 4(%rp), %r1
61 stw %r1, 32(%arg0) ; sc.sc_pcoqt = %rp + 4 63 stw %r1, _SC_REGS_PCOQT(%arg0) ; sc.sc_pcoqt = %rp + 4
62 stw %r0, 36(%arg0) ; set sc.sc_ps 64 stw %r0, _SC_REGS_PS(%arg0) ; set sc.sc_ps
63 65
64 /* We store all callee-saved registers after the sigcontext. */ 66 /* We store all callee-saved registers after the sigcontext. */
65 ldo 56(%arg0), %r1 67 ldo SIZEOF_SIGCONTEXT(%arg0), %r1
66 stwm %r3, 4(%r1) 68 stwm %r3, 4(%r1)
67 stwm %r4, 4(%r1) 69 stwm %r4, 4(%r1)
68 stwm %r5, 4(%r1) 70 stwm %r5, 4(%r1)
69 stwm %r6, 4(%r1) 71 stwm %r6, 4(%r1)
70 stwm %r7, 4(%r1) 72 stwm %r7, 4(%r1)
71 stwm %r8, 4(%r1) 73 stwm %r8, 4(%r1)
72 stwm %r9, 4(%r1) 74 stwm %r9, 4(%r1)
73 stwm %r10, 4(%r1) 75 stwm %r10, 4(%r1)
74 stwm %r11, 4(%r1) 76 stwm %r11, 4(%r1)
75 stwm %r12, 4(%r1) 77 stwm %r12, 4(%r1)
76 stwm %r13, 4(%r1) 78 stwm %r13, 4(%r1)
77 stwm %r14, 4(%r1) 79 stwm %r14, 4(%r1)
78 stwm %r15, 4(%r1) 80 stwm %r15, 4(%r1)
79 stwm %r16, 4(%r1) 81 stwm %r16, 4(%r1)
80 stwm %r17, 4(%r1) 82 stwm %r17, 4(%r1)
81 stwm %r18, 4(%r1) 83 stwm %r18, 4(%r1)
82 84
83 /* Return 0. */ 85 /* Return 0. */
84 bv %r0(%rp) 86 bv %r0(%rp)
85 copy %r0, %ret0 87 copy %r0, %ret0
86EXIT(_setjmp) 88EXIT(_setjmp)
87 89
88ENTRY(_longjmp,0) 90ENTRY(_longjmp,0)
89 ldw 8(%arg0), %r1 ; ensure non-zero SP 91 ldw _SC_REGS_SP(%arg0), %r1 ; ensure non-zero SP
90 combt,=,n %r0, %r1, botch ; oops! 92 combt,=,n %r0, %r1, botch ; oops!
91 add,<> %r0, %arg1, %ret0 ; ensure return value non-zero 93 add,<> %r0, %arg1, %ret0 ; ensure return value non-zero
92 ldi 1, %ret0 94 ldi 1, %ret0
93 95
94 /* restore callee-saved registers */ 96 /* restore callee-saved registers */
95 ldo 56(%arg0), %r1 97 ldo SIZEOF_SIGCONTEXT(%arg0), %r1
96 ldwm 4(%r1), %r3 98 ldwm 4(%r1), %r3
97 ldwm 4(%r1), %r4 99 ldwm 4(%r1), %r4
98 ldwm 4(%r1), %r5 100 ldwm 4(%r1), %r5
99 ldwm 4(%r1), %r6 101 ldwm 4(%r1), %r6
100 ldwm 4(%r1), %r7 102 ldwm 4(%r1), %r7
101 ldwm 4(%r1), %r8 103 ldwm 4(%r1), %r8
102 ldwm 4(%r1), %r9 104 ldwm 4(%r1), %r9
103 ldwm 4(%r1), %r10 105 ldwm 4(%r1), %r10
104 ldwm 4(%r1), %r11 106 ldwm 4(%r1), %r11
105 ldwm 4(%r1), %r12 107 ldwm 4(%r1), %r12
106 ldwm 4(%r1), %r13 108 ldwm 4(%r1), %r13
107 ldwm 4(%r1), %r14 109 ldwm 4(%r1), %r14
108 ldwm 4(%r1), %r15 110 ldwm 4(%r1), %r15
109 ldwm 4(%r1), %r16 111 ldwm 4(%r1), %r16
110 ldwm 4(%r1), %r17 112 ldwm 4(%r1), %r17
111 ldwm 4(%r1), %r18 113 ldwm 4(%r1), %r18
112 114
113 /* restore the rest */ 115 /* restore the rest */
114 ldw 8(%arg0), %sp 116 ldw _SC_REGS_SP(%arg0), %sp
115 ldw 24(%arg0), %rp 117 ldw _SC_REGS_PCOQH(%arg0), %rp
116 bv %r0(%rp) 118 bv %r0(%rp)
117 nop 119 nop
118botch: 120botch:
119 bl longjmperror, %rp 121 bl longjmperror, %rp
120 nop 122 nop
121 bl abort, %rp 123 bl abort, %rp
122 nop 124 nop
123EXIT(_longjmp) 125EXIT(_longjmp)
124 126
125 .end 127 .end