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085dd6e6 JM |
1 | /* OBSOLETE /* Definitions to make GDB run on an Altos 3068 (m68k running SVR2) */ |
2 | /* OBSOLETE Copyright (C) 1987,1989 Free Software Foundation, Inc. */ | |
3 | /* OBSOLETE */ | |
4 | /* OBSOLETE This file is part of GDB. */ | |
5 | /* OBSOLETE */ | |
6 | /* OBSOLETE This program is free software; you can redistribute it and/or modify */ | |
7 | /* OBSOLETE it under the terms of the GNU General Public License as published by */ | |
8 | /* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ | |
9 | /* OBSOLETE (at your option) any later version. */ | |
10 | /* OBSOLETE */ | |
11 | /* OBSOLETE This program is distributed in the hope that it will be useful, */ | |
12 | /* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ | |
13 | /* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ | |
14 | /* OBSOLETE GNU General Public License for more details. */ | |
15 | /* OBSOLETE */ | |
16 | /* OBSOLETE You should have received a copy of the GNU General Public License */ | |
17 | /* OBSOLETE along with this program; if not, write to the Free Software */ | |
18 | /* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *x/ */ | |
19 | /* OBSOLETE */ | |
20 | /* OBSOLETE #define HOST_BYTE_ORDER BIG_ENDIAN */ | |
21 | /* OBSOLETE */ | |
22 | /* OBSOLETE /* The altos support would make a good base for a port to other USGR2 systems */ | |
23 | /* OBSOLETE (like the 3b1 and the Convergent miniframe). *x/ */ | |
24 | /* OBSOLETE */ | |
25 | /* OBSOLETE /* This is only needed in one file, but it's cleaner to put it here than */ | |
26 | /* OBSOLETE putting in more #ifdef's. *x/ */ | |
27 | /* OBSOLETE #include <sys/page.h> */ | |
28 | /* OBSOLETE #include <sys/net.h> */ | |
29 | /* OBSOLETE */ | |
30 | /* OBSOLETE #define USG */ | |
31 | /* OBSOLETE */ | |
32 | /* OBSOLETE #define HAVE_TERMIO */ | |
33 | /* OBSOLETE */ | |
34 | /* OBSOLETE #define CBREAK XTABS /* It takes all kinds... *x/ */ | |
35 | /* OBSOLETE */ | |
36 | /* OBSOLETE #ifndef R_OK */ | |
37 | /* OBSOLETE #define R_OK 4 */ | |
38 | /* OBSOLETE #define W_OK 2 */ | |
39 | /* OBSOLETE #define X_OK 1 */ | |
40 | /* OBSOLETE #define F_OK 0 */ | |
41 | /* OBSOLETE #endif */ | |
42 | /* OBSOLETE */ | |
43 | /* OBSOLETE /* Get sys/wait.h ie. from a Sun and edit it a little (mc68000 to m68k) *x/ */ | |
44 | /* OBSOLETE /* Why bother? *x/ */ | |
45 | /* OBSOLETE #if 0 */ | |
46 | /* OBSOLETE #define HAVE_WAIT_STRUCT */ | |
47 | /* OBSOLETE #endif */ | |
48 | /* OBSOLETE */ | |
49 | /* OBSOLETE /* This is the amount to subtract from u.u_ar0 */ | |
50 | /* OBSOLETE to get the offset in the core file of the register values. *x/ */ | |
51 | /* OBSOLETE */ | |
52 | /* OBSOLETE #define KERNEL_U_ADDR 0x1fbf000 */ | |
53 | /* OBSOLETE */ | |
54 | /* OBSOLETE #define REGISTER_U_ADDR(addr, blockend, regno) \ */ | |
55 | /* OBSOLETE { if (regno <= SP_REGNUM) \ */ | |
56 | /* OBSOLETE addr = blockend + regno * 4; \ */ | |
57 | /* OBSOLETE else if (regno == PS_REGNUM) \ */ | |
58 | /* OBSOLETE addr = blockend + regno * 4 + 4; \ */ | |
59 | /* OBSOLETE else if (regno == PC_REGNUM) \ */ | |
60 | /* OBSOLETE addr = blockend + regno * 4 + 2; \ */ | |
61 | /* OBSOLETE } */ | |
62 | /* OBSOLETE */ | |
63 | /* OBSOLETE #define REGISTER_ADDR(u_ar0, regno) \ */ | |
64 | /* OBSOLETE (((regno) < PS_REGNUM) \ */ | |
65 | /* OBSOLETE ? (&((struct exception_stack *) (u_ar0))->e_regs[(regno + R0)]) \ */ | |
66 | /* OBSOLETE : (((regno) == PS_REGNUM) \ */ | |
67 | /* OBSOLETE ? ((int *) (&((struct exception_stack *) (u_ar0))->e_PS)) \ */ | |
68 | /* OBSOLETE : (&((struct exception_stack *) (u_ar0))->e_PC))) */ | |
69 | /* OBSOLETE */ | |
70 | /* OBSOLETE #define FP_REGISTER_ADDR(u, regno) \ */ | |
71 | /* OBSOLETE (((char *) \ */ | |
72 | /* OBSOLETE (((regno) < FPC_REGNUM) \ */ | |
73 | /* OBSOLETE ? (&u.u_pcb.pcb_mc68881[FMC68881_R0 + (((regno) - FP0_REGNUM) * 3)]) \ */ | |
74 | /* OBSOLETE : (&u.u_pcb.pcb_mc68881[FMC68881_C + ((regno) - FPC_REGNUM)]))) \ */ | |
75 | /* OBSOLETE - ((char *) (& u))) */ | |
76 | /* OBSOLETE */ | |
77 | /* OBSOLETE \f */ | |
78 | /* OBSOLETE #ifndef __GNUC__ */ | |
79 | /* OBSOLETE #undef USE_GAS */ | |
80 | /* OBSOLETE #define ALTOS_AS */ | |
81 | /* OBSOLETE #else */ | |
82 | /* OBSOLETE #define USE_GAS */ | |
83 | /* OBSOLETE #endif */ | |
84 | /* OBSOLETE */ | |
85 | /* OBSOLETE /* Motorola assembly format *x/ */ | |
86 | /* OBSOLETE #if !defined(USE_GAS) && !defined(ALTOS) */ | |
87 | /* OBSOLETE #define MOTOROLA */ | |
88 | /* OBSOLETE #endif */ | |
89 | /* OBSOLETE */ | |
90 | /* OBSOLETE /* Interface definitions for kernel debugger KDB. *x/ */ | |
91 | /* OBSOLETE */ | |
92 | /* OBSOLETE /* Map machine fault codes into signal numbers. */ | |
93 | /* OBSOLETE First subtract 0, divide by 4, then index in a table. */ | |
94 | /* OBSOLETE Faults for which the entry in this table is 0 */ | |
95 | /* OBSOLETE are not handled by KDB; the program's own trap handler */ | |
96 | /* OBSOLETE gets to handle then. *x/ */ | |
97 | /* OBSOLETE */ | |
98 | /* OBSOLETE #define FAULT_CODE_ORIGIN 0 */ | |
99 | /* OBSOLETE #define FAULT_CODE_UNITS 4 */ | |
100 | /* OBSOLETE #define FAULT_TABLE \ */ | |
101 | /* OBSOLETE { 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \ */ | |
102 | /* OBSOLETE 0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \ */ | |
103 | /* OBSOLETE 0, 0, 0, 0, 0, 0, 0, 0, \ */ | |
104 | /* OBSOLETE SIGILL } */ | |
105 | /* OBSOLETE */ | |
106 | /* OBSOLETE /* Start running with a stack stretching from BEG to END. */ | |
107 | /* OBSOLETE BEG and END should be symbols meaningful to the assembler. */ | |
108 | /* OBSOLETE This is used only for kdb. *x/ */ | |
109 | /* OBSOLETE */ | |
110 | /* OBSOLETE #ifdef MOTOROLA */ | |
111 | /* OBSOLETE #define INIT_STACK(beg, end) \ */ | |
112 | /* OBSOLETE { asm (".globl end"); \ */ | |
113 | /* OBSOLETE asm ("move.l $ end, sp"); \ */ | |
114 | /* OBSOLETE asm ("clr.l fp"); } */ | |
115 | /* OBSOLETE #else */ | |
116 | /* OBSOLETE #ifdef ALTOS_AS */ | |
117 | /* OBSOLETE #define INIT_STACK(beg, end) \ */ | |
118 | /* OBSOLETE { asm ("global end"); \ */ | |
119 | /* OBSOLETE asm ("mov.l &end,%sp"); \ */ | |
120 | /* OBSOLETE asm ("clr.l %fp"); } */ | |
121 | /* OBSOLETE #else */ | |
122 | /* OBSOLETE #define INIT_STACK(beg, end) \ */ | |
123 | /* OBSOLETE { asm (".globl end"); \ */ | |
124 | /* OBSOLETE asm ("movel $ end, sp"); \ */ | |
125 | /* OBSOLETE asm ("clrl fp"); } */ | |
126 | /* OBSOLETE #endif */ | |
127 | /* OBSOLETE #endif */ | |
128 | /* OBSOLETE */ | |
129 | /* OBSOLETE /* Push the frame pointer register on the stack. *x/ */ | |
130 | /* OBSOLETE #ifdef MOTOROLA */ | |
131 | /* OBSOLETE #define PUSH_FRAME_PTR \ */ | |
132 | /* OBSOLETE asm ("move.l fp, -(sp)"); */ | |
133 | /* OBSOLETE #else */ | |
134 | /* OBSOLETE #ifdef ALTOS_AS */ | |
135 | /* OBSOLETE #define PUSH_FRAME_PTR \ */ | |
136 | /* OBSOLETE asm ("mov.l %fp, -(%sp)"); */ | |
137 | /* OBSOLETE #else */ | |
138 | /* OBSOLETE #define PUSH_FRAME_PTR \ */ | |
139 | /* OBSOLETE asm ("movel fp, -(sp)"); */ | |
140 | /* OBSOLETE #endif */ | |
141 | /* OBSOLETE #endif */ | |
142 | /* OBSOLETE */ | |
143 | /* OBSOLETE /* Copy the top-of-stack to the frame pointer register. *x/ */ | |
144 | /* OBSOLETE #ifdef MOTOROLA */ | |
145 | /* OBSOLETE #define POP_FRAME_PTR \ */ | |
146 | /* OBSOLETE asm ("move.l (sp), fp"); */ | |
147 | /* OBSOLETE #else */ | |
148 | /* OBSOLETE #ifdef ALTOS_AS */ | |
149 | /* OBSOLETE #define POP_FRAME_PTR \ */ | |
150 | /* OBSOLETE asm ("mov.l (%sp), %fp"); */ | |
151 | /* OBSOLETE #else */ | |
152 | /* OBSOLETE #define POP_FRAME_PTR \ */ | |
153 | /* OBSOLETE asm ("movl (sp), fp"); */ | |
154 | /* OBSOLETE #endif */ | |
155 | /* OBSOLETE #endif */ | |
156 | /* OBSOLETE */ | |
157 | /* OBSOLETE /* After KDB is entered by a fault, push all registers */ | |
158 | /* OBSOLETE that GDB thinks about (all NUM_REGS of them), */ | |
159 | /* OBSOLETE so that they appear in order of ascending GDB register number. */ | |
160 | /* OBSOLETE The fault code will be on the stack beyond the last register. *x/ */ | |
161 | /* OBSOLETE */ | |
162 | /* OBSOLETE #ifdef MOTOROLA */ | |
163 | /* OBSOLETE #define PUSH_REGISTERS \ */ | |
164 | /* OBSOLETE { asm ("clr.w -(sp)"); \ */ | |
165 | /* OBSOLETE asm ("pea (10,sp)"); \ */ | |
166 | /* OBSOLETE asm ("movem $ 0xfffe,-(sp)"); } */ | |
167 | /* OBSOLETE #else */ | |
168 | /* OBSOLETE #ifdef ALTOS_AS */ | |
169 | /* OBSOLETE #define PUSH_REGISTERS \ */ | |
170 | /* OBSOLETE { asm ("clr.w -(%sp)"); \ */ | |
171 | /* OBSOLETE asm ("pea (10,%sp)"); \ */ | |
172 | /* OBSOLETE asm ("movm.l &0xfffe,-(%sp)"); } */ | |
173 | /* OBSOLETE #else */ | |
174 | /* OBSOLETE #define PUSH_REGISTERS \ */ | |
175 | /* OBSOLETE { asm ("clrw -(sp)"); \ */ | |
176 | /* OBSOLETE asm ("pea 10(sp)"); \ */ | |
177 | /* OBSOLETE asm ("movem $ 0xfffe,-(sp)"); } */ | |
178 | /* OBSOLETE #endif */ | |
179 | /* OBSOLETE #endif */ | |
180 | /* OBSOLETE */ | |
181 | /* OBSOLETE /* Assuming the registers (including processor status) have been */ | |
182 | /* OBSOLETE pushed on the stack in order of ascending GDB register number, */ | |
183 | /* OBSOLETE restore them and return to the address in the saved PC register. *x/ */ | |
184 | /* OBSOLETE */ | |
185 | /* OBSOLETE #ifdef MOTOROLA */ | |
186 | /* OBSOLETE #define POP_REGISTERS \ */ | |
187 | /* OBSOLETE { asm ("subi.l $8,28(sp)"); \ */ | |
188 | /* OBSOLETE asm ("movem (sp),$ 0xffff"); \ */ | |
189 | /* OBSOLETE asm ("rte"); } */ | |
190 | /* OBSOLETE #else */ | |
191 | /* OBSOLETE #ifdef ALTOS_AS */ | |
192 | /* OBSOLETE #define POP_REGISTERS \ */ | |
193 | /* OBSOLETE { asm ("sub.l &8,28(%sp)"); \ */ | |
194 | /* OBSOLETE asm ("movem (%sp),&0xffff"); \ */ | |
195 | /* OBSOLETE asm ("rte"); } */ | |
196 | /* OBSOLETE #else */ | |
197 | /* OBSOLETE #define POP_REGISTERS \ */ | |
198 | /* OBSOLETE { asm ("subil $8,28(sp)"); \ */ | |
199 | /* OBSOLETE asm ("movem (sp),$ 0xffff"); \ */ | |
200 | /* OBSOLETE asm ("rte"); } */ | |
201 | /* OBSOLETE #endif */ | |
202 | /* OBSOLETE #endif */ |