1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/* $OpenBSD: md_init.h,v 1.16 2023/11/18 16:26:16 deraadt Exp $ */
/*
* Copyright (c) 2003 Dale Rahn. All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* hppa overrides these because it has different label syntax
*/
#define MD_DATA_SECTION_FLAGS_SYMBOL(section, flags, type, symbol) \
extern __dso_hidden type symbol[]; \
__asm(" .section "section",\""flags"\",@progbits \n" \
" .balign 4 \n" \
#symbol" \n" \
" .previous")
#define MD_DATA_SECTION_SYMBOL_VALUE(section, type, symbol, value) \
extern __dso_hidden type symbol[]; \
__asm(" .section "section",\"aw\",@progbits \n" \
" .balign 4 \n" \
#symbol" \n" \
" .int "#value" \n" \
" .previous")
#define MD_DATA_SECTION_FLAGS_VALUE(section, flags, value) \
__asm(" .section "section",\""flags"\",@progbits \n" \
" .balign 4 \n" \
" .int "#value" \n" \
" .previous")
#define MD_SECT_CALL_FUNC(section, func) \
__asm (".section "#section",\"ax\",@progbits \n" \
" bl " #func ",%r2 \n" \
" stw %r19,-80(%r30) \n" \
" ldw -80(%r30),%r19 \n" \
" .previous")
#define MD_SECTION_PROLOGUE(sect, entry_pt) \
__asm ( \
" .section "#sect",\"ax\",@progbits \n" \
" .EXPORT "#entry_pt",ENTRY,PRIV_LEV=3,ARGW0=NO,ARGW1=NO,ARGW2=NO,ARGW3=NO,RTNVAL=NO \n" \
" .align 4 \n" \
#entry_pt" \n" \
" stw %r2, -20(%r30) \n" \
" ldo 64(%r30),%r30 \n" \
" /* fall thru */ \n" \
" .previous")
#define MD_SECTION_EPILOGUE(sect) \
__asm ( \
" .section "#sect",\"ax\",@progbits \n" \
" ldw -84(%r30),%r2 \n" \
" bv %r0(%r2) \n" \
" ldo -64(%r30),%r30 \n" \
" .previous")
#include <sys/exec.h> /* for struct ps_strings */
#define MD_CRT0_START \
__asm( \
".import $global$, data \n" \
" .import ___start, code \n" \
" .text \n" \
" .align 4 \n" \
" .export __start, entry \n" \
" .type __start,@function \n" \
" .label __start \n" \
" .proc \n" \
" .callinfo frame=0, calls \n" \
" .entry \n" \
" bl L$lpc, %r27 \n" \
" depi 0, 31, 2, %r27 \n" \
"L$lpc: addil L'$global$ - ($PIC_pcrel$0 - 8), %r27 \n" \
" ldo R'$global$ - ($PIC_pcrel$0 - 12)(%r1),%r27 \n" \
" .call \n" \
" b ___start \n" \
" copy %r27, %r19 \n" \
" .exit \n" \
" .procend")
#define MD_RCRT0_START \
__asm( \
".import $global$, data \n" \
" .import ___start, code \n" \
" .text \n" \
" .align 4 \n" \
" .export __start, entry \n" \
" .type __start,@function \n" \
" .label __start \n" \
" .proc \n" \
" .callinfo frame=0, calls \n" \
" .entry \n" \
" copy %r3, %r1 \n" \
" copy %sp, %r3 \n" \
" stwm %r1, 64+16*4(%sp) \n" \
" stw %arg0, -36(%r3) \n" \
" bl 1f, %dp \n" \
" depi 0, 31, 2, %dp \n" \
"1: addil L'$global$ - ($PIC_pcrel$0 - 8), %dp \n" \
" ldo R'$global$ - ($PIC_pcrel$0 - 12)(%r1), %dp \n" \
" bl 1f, %arg2 \n" \
" depi 0, 31, 2, %arg2 \n" \
"1: addil L'_DYNAMIC - ($PIC_pcrel$0 - 8), %arg2 \n" \
" ldo R'_DYNAMIC - ($PIC_pcrel$0 - 12)(%r1), %arg2 \n" \
" stw %arg2, -40(%r3) \n" \
" ldw 0(%arg0), %arg0 \n" \
" ldo 4(%r3), %arg1 \n" \
" ldo -4(%arg0), %arg0 \n" \
" bl _dl_boot_bind, %rp \n" \
" copy %dp, %r19 \n" \
" ldw -36(%r3), %arg0 \n" \
" copy %r0, %arg1 \n" \
" ldo 64(%r3), %sp \n" \
" ldwm -64(%sp), %r3 \n" \
" .call \n" \
" b ___start \n" \
" copy %dp, %r19 \n" \
" .exit \n" \
" .procend \n" \
" .export _csu_abort, entry \n" \
" .type _csu_abort,@function \n" \
" .label _csu_abort \n" \
" .proc \n" \
" .callinfo frame=0, calls \n" \
" .entry \n" \
"_csu_abort: \n" \
" break 0,0 \n" \
" .exit \n" \
" .procend")
#define MD_START_ARGS struct ps_strings *arginfo, void (*cleanup)(void)
#define MD_START_SETUP \
char **argv, **envp; \
int argc; \
\
argv = arginfo->ps_argvstr; \
argc = arginfo->ps_nargvstr; \
envp = arginfo->ps_envstr;
#define MD_EPROL_LABEL __asm (".export _eprol, entry\n\t.label _eprol")
|
