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1 | // OBSOLETE /* Target machine definitions for GDB on a Sequent Symmetry under dynix 3.0, |
2 | // OBSOLETE with Weitek 1167 and i387 support. | |
3 | // OBSOLETE | |
4 | // OBSOLETE Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 2003 Free | |
5 | // OBSOLETE Software Foundation, Inc. | |
6 | // OBSOLETE | |
7 | // OBSOLETE Symmetry version by Jay Vosburgh (fubar@sequent.com). | |
8 | // OBSOLETE | |
9 | // OBSOLETE This file is part of GDB. | |
10 | // OBSOLETE | |
11 | // OBSOLETE This program is free software; you can redistribute it and/or modify | |
12 | // OBSOLETE it under the terms of the GNU General Public License as published by | |
13 | // OBSOLETE the Free Software Foundation; either version 2 of the License, or | |
14 | // OBSOLETE (at your option) any later version. | |
15 | // OBSOLETE | |
16 | // OBSOLETE This program is distributed in the hope that it will be useful, | |
17 | // OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | // OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | // OBSOLETE GNU General Public License for more details. | |
20 | // OBSOLETE | |
21 | // OBSOLETE You should have received a copy of the GNU General Public License | |
22 | // OBSOLETE along with this program; if not, write to the Free Software | |
23 | // OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, | |
24 | // OBSOLETE Boston, MA 02111-1307, USA. */ | |
25 | // OBSOLETE | |
26 | // OBSOLETE #ifndef TM_SYMMETRY_H | |
27 | // OBSOLETE #define TM_SYMMETRY_H 1 | |
28 | // OBSOLETE | |
29 | // OBSOLETE #include "regcache.h" | |
30 | // OBSOLETE #include "doublest.h" | |
31 | // OBSOLETE | |
32 | // OBSOLETE /* I don't know if this will work for cross-debugging, even if you do get | |
33 | // OBSOLETE a copy of the right include file. */ | |
34 | // OBSOLETE #include <machine/reg.h> | |
35 | // OBSOLETE | |
36 | // OBSOLETE #include "i386/tm-i386.h" | |
37 | // OBSOLETE | |
38 | // OBSOLETE /* Amount PC must be decremented by after a breakpoint. This is often the | |
39 | // OBSOLETE number of bytes in BREAKPOINT but not always (such as now). */ | |
40 | // OBSOLETE | |
41 | // OBSOLETE #undef DECR_PC_AFTER_BREAK | |
42 | // OBSOLETE #define DECR_PC_AFTER_BREAK 0 | |
43 | // OBSOLETE | |
44 | // OBSOLETE /* Number of machine registers */ | |
45 | // OBSOLETE | |
46 | // OBSOLETE #undef NUM_REGS | |
47 | // OBSOLETE #define NUM_REGS 49 | |
48 | // OBSOLETE | |
49 | // OBSOLETE /* Initializer for an array of names of registers. | |
50 | // OBSOLETE There should be NUM_REGS strings in this initializer. */ | |
51 | // OBSOLETE | |
52 | // OBSOLETE /* Initializer for an array of names of registers. There should be at least | |
53 | // OBSOLETE NUM_REGS strings in this initializer. Any excess ones are simply ignored. | |
54 | // OBSOLETE Symmetry registers are in this weird order to match the register numbers | |
55 | // OBSOLETE in the symbol table entries. If you change the order, things will probably | |
56 | // OBSOLETE break mysteriously for no apparent reason. Also note that the st(0)... | |
57 | // OBSOLETE st(7) 387 registers are represented as st0...st7. */ | |
58 | // OBSOLETE | |
59 | // OBSOLETE #undef REGISTER_NAME | |
60 | // OBSOLETE #define REGISTER_NAMES { "eax", "edx", "ecx", "st0", "st1", \ | |
61 | // OBSOLETE "ebx", "esi", "edi", "st2", "st3", \ | |
62 | // OBSOLETE "st4", "st5", "st6", "st7", "esp", \ | |
63 | // OBSOLETE "ebp", "eip", "eflags","fp1", "fp2", \ | |
64 | // OBSOLETE "fp3", "fp4", "fp5", "fp6", "fp7", \ | |
65 | // OBSOLETE "fp8", "fp9", "fp10", "fp11", "fp12", \ | |
66 | // OBSOLETE "fp13", "fp14", "fp15", "fp16", "fp17", \ | |
67 | // OBSOLETE "fp18", "fp19", "fp20", "fp21", "fp22", \ | |
68 | // OBSOLETE "fp23", "fp24", "fp25", "fp26", "fp27", \ | |
69 | // OBSOLETE "fp28", "fp29", "fp30", "fp31" } | |
70 | // OBSOLETE | |
71 | // OBSOLETE /* Register numbers of various important registers. | |
72 | // OBSOLETE Note that some of these values are "real" register numbers, | |
73 | // OBSOLETE and correspond to the general registers of the machine, | |
74 | // OBSOLETE and some are "phony" register numbers which are too large | |
75 | // OBSOLETE to be actual register numbers as far as the user is concerned | |
76 | // OBSOLETE but do serve to get the desired values when passed to read_register. */ | |
77 | // OBSOLETE | |
78 | // OBSOLETE #define EAX_REGNUM 0 | |
79 | // OBSOLETE #define EDX_REGNUM 1 | |
80 | // OBSOLETE #define ECX_REGNUM 2 | |
81 | // OBSOLETE #define ST0_REGNUM 3 | |
82 | // OBSOLETE #define ST1_REGNUM 4 | |
83 | // OBSOLETE #define EBX_REGNUM 5 | |
84 | // OBSOLETE #define ESI_REGNUM 6 | |
85 | // OBSOLETE #define EDI_REGNUM 7 | |
86 | // OBSOLETE #define ST2_REGNUM 8 | |
87 | // OBSOLETE #define ST3_REGNUM 9 | |
88 | // OBSOLETE | |
89 | // OBSOLETE #define ST4_REGNUM 10 | |
90 | // OBSOLETE #define ST5_REGNUM 11 | |
91 | // OBSOLETE #define ST6_REGNUM 12 | |
92 | // OBSOLETE #define ST7_REGNUM 13 | |
93 | // OBSOLETE | |
94 | // OBSOLETE #define FP1_REGNUM 18 /* first 1167 register */ | |
95 | // OBSOLETE /* Get %fp2 - %fp31 by addition, since they are contiguous */ | |
96 | // OBSOLETE | |
97 | // OBSOLETE #undef SP_REGNUM | |
98 | // OBSOLETE #define SP_REGNUM 14 /* (usp) Contains address of top of stack */ | |
99 | // OBSOLETE #define ESP_REGNUM 14 | |
100 | // OBSOLETE #undef FP_REGNUM | |
101 | // OBSOLETE #define FP_REGNUM 15 /* (ebp) Contains address of executing stack frame */ | |
102 | // OBSOLETE #define EBP_REGNUM 15 | |
103 | // OBSOLETE #undef PC_REGNUM | |
104 | // OBSOLETE #define PC_REGNUM 16 /* (eip) Contains program counter */ | |
105 | // OBSOLETE #define EIP_REGNUM 16 | |
106 | // OBSOLETE #undef PS_REGNUM | |
107 | // OBSOLETE #define PS_REGNUM 17 /* (ps) Contains processor status */ | |
108 | // OBSOLETE #define EFLAGS_REGNUM 17 | |
109 | // OBSOLETE | |
110 | // OBSOLETE /* | |
111 | // OBSOLETE * Following macro translates i386 opcode register numbers to Symmetry | |
112 | // OBSOLETE * register numbers. This is used by i386_frame_find_saved_regs. | |
113 | // OBSOLETE * | |
114 | // OBSOLETE * %eax %ecx %edx %ebx %esp %ebp %esi %edi | |
115 | // OBSOLETE * i386 0 1 2 3 4 5 6 7 | |
116 | // OBSOLETE * Symmetry 0 2 1 5 14 15 6 7 | |
117 | // OBSOLETE * | |
118 | // OBSOLETE */ | |
119 | // OBSOLETE #define I386_REGNO_TO_SYMMETRY(n) \ | |
120 | // OBSOLETE ((n)==0?0 :(n)==1?2 :(n)==2?1 :(n)==3?5 :(n)==4?14 :(n)==5?15 :(n)) | |
121 | // OBSOLETE | |
122 | // OBSOLETE /* The magic numbers below are offsets into u_ar0 in the user struct. | |
123 | // OBSOLETE * They live in <machine/reg.h>. Gdb calls this macro with blockend | |
124 | // OBSOLETE * holding u.u_ar0 - KERNEL_U_ADDR. Only the registers listed are | |
125 | // OBSOLETE * saved in the u area (along with a few others that aren't useful | |
126 | // OBSOLETE * here. See <machine/reg.h>). | |
127 | // OBSOLETE */ | |
128 | // OBSOLETE | |
129 | // OBSOLETE #define REGISTER_U_ADDR(addr, blockend, regno) \ | |
130 | // OBSOLETE { struct user foo; /* needed for finding fpu regs */ \ | |
131 | // OBSOLETE switch (regno) { \ | |
132 | // OBSOLETE case 0: \ | |
133 | // OBSOLETE addr = blockend + EAX * sizeof(int); break; \ | |
134 | // OBSOLETE case 1: \ | |
135 | // OBSOLETE addr = blockend + EDX * sizeof(int); break; \ | |
136 | // OBSOLETE case 2: \ | |
137 | // OBSOLETE addr = blockend + ECX * sizeof(int); break; \ | |
138 | // OBSOLETE case 3: /* st(0) */ \ | |
139 | // OBSOLETE addr = ((int)&foo.u_fpusave.fpu_stack[0][0] - (int)&foo); \ | |
140 | // OBSOLETE break; \ | |
141 | // OBSOLETE case 4: /* st(1) */ \ | |
142 | // OBSOLETE addr = ((int) &foo.u_fpusave.fpu_stack[1][0] - (int)&foo); \ | |
143 | // OBSOLETE break; \ | |
144 | // OBSOLETE case 5: \ | |
145 | // OBSOLETE addr = blockend + EBX * sizeof(int); break; \ | |
146 | // OBSOLETE case 6: \ | |
147 | // OBSOLETE addr = blockend + ESI * sizeof(int); break; \ | |
148 | // OBSOLETE case 7: \ | |
149 | // OBSOLETE addr = blockend + EDI * sizeof(int); break; \ | |
150 | // OBSOLETE case 8: /* st(2) */ \ | |
151 | // OBSOLETE addr = ((int) &foo.u_fpusave.fpu_stack[2][0] - (int)&foo); \ | |
152 | // OBSOLETE break; \ | |
153 | // OBSOLETE case 9: /* st(3) */ \ | |
154 | // OBSOLETE addr = ((int) &foo.u_fpusave.fpu_stack[3][0] - (int)&foo); \ | |
155 | // OBSOLETE break; \ | |
156 | // OBSOLETE case 10: /* st(4) */ \ | |
157 | // OBSOLETE addr = ((int) &foo.u_fpusave.fpu_stack[4][0] - (int)&foo); \ | |
158 | // OBSOLETE break; \ | |
159 | // OBSOLETE case 11: /* st(5) */ \ | |
160 | // OBSOLETE addr = ((int) &foo.u_fpusave.fpu_stack[5][0] - (int)&foo); \ | |
161 | // OBSOLETE break; \ | |
162 | // OBSOLETE case 12: /* st(6) */ \ | |
163 | // OBSOLETE addr = ((int) &foo.u_fpusave.fpu_stack[6][0] - (int)&foo); \ | |
164 | // OBSOLETE break; \ | |
165 | // OBSOLETE case 13: /* st(7) */ \ | |
166 | // OBSOLETE addr = ((int) &foo.u_fpusave.fpu_stack[7][0] - (int)&foo); \ | |
167 | // OBSOLETE break; \ | |
168 | // OBSOLETE case 14: \ | |
169 | // OBSOLETE addr = blockend + ESP * sizeof(int); break; \ | |
170 | // OBSOLETE case 15: \ | |
171 | // OBSOLETE addr = blockend + EBP * sizeof(int); break; \ | |
172 | // OBSOLETE case 16: \ | |
173 | // OBSOLETE addr = blockend + EIP * sizeof(int); break; \ | |
174 | // OBSOLETE case 17: \ | |
175 | // OBSOLETE addr = blockend + FLAGS * sizeof(int); break; \ | |
176 | // OBSOLETE case 18: /* fp1 */ \ | |
177 | // OBSOLETE case 19: /* fp2 */ \ | |
178 | // OBSOLETE case 20: /* fp3 */ \ | |
179 | // OBSOLETE case 21: /* fp4 */ \ | |
180 | // OBSOLETE case 22: /* fp5 */ \ | |
181 | // OBSOLETE case 23: /* fp6 */ \ | |
182 | // OBSOLETE case 24: /* fp7 */ \ | |
183 | // OBSOLETE case 25: /* fp8 */ \ | |
184 | // OBSOLETE case 26: /* fp9 */ \ | |
185 | // OBSOLETE case 27: /* fp10 */ \ | |
186 | // OBSOLETE case 28: /* fp11 */ \ | |
187 | // OBSOLETE case 29: /* fp12 */ \ | |
188 | // OBSOLETE case 30: /* fp13 */ \ | |
189 | // OBSOLETE case 31: /* fp14 */ \ | |
190 | // OBSOLETE case 32: /* fp15 */ \ | |
191 | // OBSOLETE case 33: /* fp16 */ \ | |
192 | // OBSOLETE case 34: /* fp17 */ \ | |
193 | // OBSOLETE case 35: /* fp18 */ \ | |
194 | // OBSOLETE case 36: /* fp19 */ \ | |
195 | // OBSOLETE case 37: /* fp20 */ \ | |
196 | // OBSOLETE case 38: /* fp21 */ \ | |
197 | // OBSOLETE case 39: /* fp22 */ \ | |
198 | // OBSOLETE case 40: /* fp23 */ \ | |
199 | // OBSOLETE case 41: /* fp24 */ \ | |
200 | // OBSOLETE case 42: /* fp25 */ \ | |
201 | // OBSOLETE case 43: /* fp26 */ \ | |
202 | // OBSOLETE case 44: /* fp27 */ \ | |
203 | // OBSOLETE case 45: /* fp28 */ \ | |
204 | // OBSOLETE case 46: /* fp29 */ \ | |
205 | // OBSOLETE case 47: /* fp30 */ \ | |
206 | // OBSOLETE case 48: /* fp31 */ \ | |
207 | // OBSOLETE addr = ((int) &foo.u_fpasave.fpa_regs[(regno)-18] - (int)&foo); \ | |
208 | // OBSOLETE } \ | |
209 | // OBSOLETE } | |
210 | // OBSOLETE | |
211 | // OBSOLETE /* Total amount of space needed to store our copies of the machine's | |
212 | // OBSOLETE register state, the array `registers'. 10 i*86 registers, 8 i387 | |
213 | // OBSOLETE registers, and 31 Weitek 1167 registers */ | |
214 | // OBSOLETE | |
215 | // OBSOLETE #undef REGISTER_BYTES | |
216 | // OBSOLETE #define REGISTER_BYTES ((10 * 4) + (8 * 10) + (31 * 4)) | |
217 | // OBSOLETE | |
218 | // OBSOLETE /* Nonzero if register N requires conversion | |
219 | // OBSOLETE from raw format to virtual format. */ | |
220 | // OBSOLETE | |
221 | // OBSOLETE #undef REGISTER_CONVERTIBLE | |
222 | // OBSOLETE #define REGISTER_CONVERTIBLE(N) \ | |
223 | // OBSOLETE (((N) < 3) ? 0 : \ | |
224 | // OBSOLETE ((N) < 5) ? 1 : \ | |
225 | // OBSOLETE ((N) < 8) ? 0 : \ | |
226 | // OBSOLETE ((N) < 14) ? 1 : \ | |
227 | // OBSOLETE 0) | |
228 | // OBSOLETE | |
229 | // OBSOLETE #include "floatformat.h" | |
230 | // OBSOLETE | |
231 | // OBSOLETE /* Convert data from raw format for register REGNUM in buffer FROM | |
232 | // OBSOLETE to virtual format with type TYPE in buffer TO. */ | |
233 | // OBSOLETE | |
234 | // OBSOLETE #undef REGISTER_CONVERT_TO_VIRTUAL | |
235 | // OBSOLETE #define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \ | |
236 | // OBSOLETE { \ | |
237 | // OBSOLETE DOUBLEST val; \ | |
238 | // OBSOLETE floatformat_to_doublest (&floatformat_i387_ext, (FROM), &val); \ | |
239 | // OBSOLETE deprecated_store_floating ((TO), TYPE_LENGTH (TYPE), val); \ | |
240 | // OBSOLETE } | |
241 | // OBSOLETE | |
242 | // OBSOLETE /* Convert data from virtual format with type TYPE in buffer FROM | |
243 | // OBSOLETE to raw format for register REGNUM in buffer TO. */ | |
244 | // OBSOLETE | |
245 | // OBSOLETE #undef REGISTER_CONVERT_TO_RAW | |
246 | // OBSOLETE #define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \ | |
247 | // OBSOLETE { \ | |
248 | // OBSOLETE DOUBLEST val = deprecated_extract_floating ((FROM), TYPE_LENGTH (TYPE)); \ | |
249 | // OBSOLETE floatformat_from_doublest (&floatformat_i387_ext, &val, (TO)); \ | |
250 | // OBSOLETE } | |
251 | // OBSOLETE | |
252 | // OBSOLETE /* Return the GDB type object for the "standard" data type | |
253 | // OBSOLETE of data in register N. */ | |
254 | // OBSOLETE | |
255 | // OBSOLETE #undef REGISTER_VIRTUAL_TYPE | |
256 | // OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) \ | |
257 | // OBSOLETE ((N < 3) ? builtin_type_int : \ | |
258 | // OBSOLETE (N < 5) ? builtin_type_double : \ | |
259 | // OBSOLETE (N < 8) ? builtin_type_int : \ | |
260 | // OBSOLETE (N < 14) ? builtin_type_double : \ | |
261 | // OBSOLETE builtin_type_int) | |
262 | // OBSOLETE | |
263 | // OBSOLETE /* Store the address of the place in which to copy the structure the | |
264 | // OBSOLETE subroutine will return. This is called from call_function. | |
265 | // OBSOLETE Native cc passes the address in eax, gcc (up to version 2.5.8) | |
266 | // OBSOLETE passes it on the stack. gcc should be fixed in future versions to | |
267 | // OBSOLETE adopt native cc conventions. */ | |
268 | // OBSOLETE | |
269 | // OBSOLETE #undef DEPRECATED_PUSH_ARGUMENTS | |
270 | // OBSOLETE #undef STORE_STRUCT_RETURN | |
271 | // OBSOLETE #define STORE_STRUCT_RETURN(ADDR, SP) write_register(0, (ADDR)) | |
272 | // OBSOLETE | |
273 | // OBSOLETE /* Extract from an array REGBUF containing the (raw) register state | |
274 | // OBSOLETE a function return value of type TYPE, and copy that, in virtual format, | |
275 | // OBSOLETE into VALBUF. */ | |
276 | // OBSOLETE | |
277 | // OBSOLETE #undef DEPRECATED_EXTRACT_RETURN_VALUE | |
278 | // OBSOLETE #define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ | |
279 | // OBSOLETE symmetry_extract_return_value(TYPE, REGBUF, VALBUF) | |
280 | // OBSOLETE | |
281 | // OBSOLETE /* The following redefines make backtracing through sigtramp work. | |
282 | // OBSOLETE They manufacture a fake sigtramp frame and obtain the saved pc in sigtramp | |
283 | // OBSOLETE from the sigcontext structure which is pushed by the kernel on the | |
284 | // OBSOLETE user stack, along with a pointer to it. */ | |
285 | // OBSOLETE | |
286 | // OBSOLETE #define IN_SIGTRAMP(pc, name) ((name) && STREQ ("_sigcode", name)) | |
287 | // OBSOLETE | |
288 | // OBSOLETE /* Offset to saved PC in sigcontext, from <signal.h>. */ | |
289 | // OBSOLETE #define SIGCONTEXT_PC_OFFSET 16 | |
290 | // OBSOLETE | |
291 | // OBSOLETE #endif /* ifndef TM_SYMMETRY_H */ |