1 |
dpavlin |
24 |
/* |
2 |
dpavlin |
34 |
* Copyright (C) 2004-2007 Anders Gavare. All rights reserved. |
3 |
dpavlin |
24 |
* |
4 |
|
|
* Redistribution and use in source and binary forms, with or without |
5 |
|
|
* modification, are permitted provided that the following conditions are met: |
6 |
|
|
* |
7 |
|
|
* 1. Redistributions of source code must retain the above copyright |
8 |
|
|
* notice, this list of conditions and the following disclaimer. |
9 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright |
10 |
|
|
* notice, this list of conditions and the following disclaimer in the |
11 |
|
|
* documentation and/or other materials provided with the distribution. |
12 |
|
|
* 3. The name of the author may not be used to endorse or promote products |
13 |
|
|
* derived from this software without specific prior written permission. |
14 |
|
|
* |
15 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
16 |
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
17 |
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
18 |
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
19 |
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
20 |
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
21 |
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
22 |
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
23 |
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
24 |
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
25 |
|
|
* SUCH DAMAGE. |
26 |
|
|
* |
27 |
|
|
* |
28 |
dpavlin |
44 |
* $Id: debugger_cmds.c,v 1.14 2007/06/28 14:58:38 debug Exp $ |
29 |
dpavlin |
24 |
* |
30 |
|
|
* Debugger commands. Included from debugger.c. |
31 |
|
|
*/ |
32 |
|
|
|
33 |
|
|
|
34 |
|
|
/* |
35 |
|
|
* debugger_cmd_allsettings(): |
36 |
|
|
*/ |
37 |
|
|
static void debugger_cmd_allsettings(struct machine *m, char *cmd_line) |
38 |
|
|
{ |
39 |
|
|
settings_debugdump(global_settings, GLOBAL_SETTINGS_NAME, 1); |
40 |
|
|
} |
41 |
|
|
|
42 |
|
|
|
43 |
|
|
/* |
44 |
|
|
* debugger_cmd_breakpoint(): |
45 |
|
|
* |
46 |
|
|
* TODO: automagic "expansion" for the subcommand names (s => show). |
47 |
|
|
*/ |
48 |
|
|
static void debugger_cmd_breakpoint(struct machine *m, char *cmd_line) |
49 |
|
|
{ |
50 |
|
|
int i, res; |
51 |
|
|
|
52 |
|
|
while (cmd_line[0] != '\0' && cmd_line[0] == ' ') |
53 |
|
|
cmd_line ++; |
54 |
|
|
|
55 |
|
|
if (cmd_line[0] == '\0') { |
56 |
|
|
printf("syntax: breakpoint subcmd [args...]\n"); |
57 |
|
|
printf("Available subcmds (and args) are:\n"); |
58 |
|
|
printf(" add addr add a breakpoint for address addr\n"); |
59 |
|
|
printf(" delete x delete breakpoint nr x\n"); |
60 |
|
|
printf(" show show current breakpoints\n"); |
61 |
|
|
return; |
62 |
|
|
} |
63 |
|
|
|
64 |
|
|
if (strcmp(cmd_line, "show") == 0) { |
65 |
dpavlin |
42 |
if (m->breakpoints.n == 0) |
66 |
dpavlin |
24 |
printf("No breakpoints set.\n"); |
67 |
dpavlin |
42 |
for (i=0; i<m->breakpoints.n; i++) |
68 |
dpavlin |
24 |
show_breakpoint(m, i); |
69 |
|
|
return; |
70 |
|
|
} |
71 |
|
|
|
72 |
|
|
if (strncmp(cmd_line, "delete ", 7) == 0) { |
73 |
|
|
int x = atoi(cmd_line + 7); |
74 |
|
|
|
75 |
dpavlin |
42 |
if (m->breakpoints.n == 0) { |
76 |
dpavlin |
24 |
printf("No breakpoints set.\n"); |
77 |
|
|
return; |
78 |
|
|
} |
79 |
dpavlin |
42 |
if (x < 0 || x > m->breakpoints.n) { |
80 |
dpavlin |
24 |
printf("Invalid breakpoint nr %i. Use 'breakpoint " |
81 |
|
|
"show' to see the current breakpoints.\n", x); |
82 |
|
|
return; |
83 |
|
|
} |
84 |
|
|
|
85 |
dpavlin |
42 |
free(m->breakpoints.string[x]); |
86 |
dpavlin |
24 |
|
87 |
dpavlin |
42 |
for (i=x; i<m->breakpoints.n-1; i++) { |
88 |
|
|
m->breakpoints.addr[i] = m->breakpoints.addr[i+1]; |
89 |
|
|
m->breakpoints.string[i] = m->breakpoints.string[i+1]; |
90 |
dpavlin |
24 |
} |
91 |
dpavlin |
42 |
m->breakpoints.n --; |
92 |
dpavlin |
24 |
|
93 |
|
|
/* Clear translations: */ |
94 |
|
|
for (i=0; i<m->ncpus; i++) |
95 |
|
|
if (m->cpus[i]->translation_cache != NULL) |
96 |
|
|
cpu_create_or_reset_tc(m->cpus[i]); |
97 |
|
|
return; |
98 |
|
|
} |
99 |
|
|
|
100 |
|
|
if (strncmp(cmd_line, "add ", 4) == 0) { |
101 |
|
|
uint64_t tmp; |
102 |
|
|
size_t breakpoint_buf_len; |
103 |
|
|
|
104 |
dpavlin |
42 |
i = m->breakpoints.n; |
105 |
dpavlin |
24 |
|
106 |
dpavlin |
32 |
res = debugger_parse_expression(m, cmd_line + 4, 0, &tmp); |
107 |
dpavlin |
24 |
if (!res) { |
108 |
|
|
printf("Couldn't parse '%s'\n", cmd_line + 4); |
109 |
|
|
return; |
110 |
|
|
} |
111 |
|
|
|
112 |
dpavlin |
42 |
CHECK_ALLOCATION(m->breakpoints.string = realloc( |
113 |
|
|
m->breakpoints.string, sizeof(char *) * |
114 |
|
|
(m->breakpoints.n + 1))); |
115 |
|
|
CHECK_ALLOCATION(m->breakpoints.addr = realloc( |
116 |
|
|
m->breakpoints.addr, sizeof(uint64_t) * |
117 |
|
|
(m->breakpoints.n + 1))); |
118 |
|
|
|
119 |
dpavlin |
24 |
breakpoint_buf_len = strlen(cmd_line+4) + 1; |
120 |
dpavlin |
42 |
|
121 |
|
|
CHECK_ALLOCATION(m->breakpoints.string[i] = |
122 |
|
|
malloc(breakpoint_buf_len)); |
123 |
|
|
strlcpy(m->breakpoints.string[i], cmd_line+4, |
124 |
dpavlin |
24 |
breakpoint_buf_len); |
125 |
dpavlin |
42 |
m->breakpoints.addr[i] = tmp; |
126 |
dpavlin |
24 |
|
127 |
dpavlin |
42 |
m->breakpoints.n ++; |
128 |
dpavlin |
24 |
show_breakpoint(m, i); |
129 |
|
|
|
130 |
|
|
/* Clear translations: */ |
131 |
|
|
for (i=0; i<m->ncpus; i++) |
132 |
|
|
if (m->cpus[i]->translation_cache != NULL) |
133 |
|
|
cpu_create_or_reset_tc(m->cpus[i]); |
134 |
|
|
return; |
135 |
|
|
} |
136 |
|
|
|
137 |
|
|
printf("Unknown breakpoint subcommand.\n"); |
138 |
|
|
} |
139 |
|
|
|
140 |
|
|
|
141 |
|
|
/* |
142 |
|
|
* debugger_cmd_continue(): |
143 |
|
|
*/ |
144 |
|
|
static void debugger_cmd_continue(struct machine *m, char *cmd_line) |
145 |
|
|
{ |
146 |
|
|
if (*cmd_line) { |
147 |
|
|
printf("syntax: continue\n"); |
148 |
|
|
return; |
149 |
|
|
} |
150 |
|
|
|
151 |
|
|
exit_debugger = 1; |
152 |
|
|
} |
153 |
|
|
|
154 |
|
|
|
155 |
|
|
/* |
156 |
|
|
* debugger_cmd_device(): |
157 |
|
|
*/ |
158 |
|
|
static void debugger_cmd_device(struct machine *m, char *cmd_line) |
159 |
|
|
{ |
160 |
|
|
int i; |
161 |
|
|
struct memory *mem; |
162 |
|
|
struct cpu *c; |
163 |
|
|
|
164 |
|
|
if (cmd_line[0] == '\0') |
165 |
|
|
goto return_help; |
166 |
|
|
|
167 |
|
|
if (m->cpus == NULL) { |
168 |
|
|
printf("No cpus (?)\n"); |
169 |
|
|
return; |
170 |
|
|
} |
171 |
|
|
c = m->cpus[m->bootstrap_cpu]; |
172 |
|
|
if (c == NULL) { |
173 |
|
|
printf("m->cpus[m->bootstrap_cpu] = NULL\n"); |
174 |
|
|
return; |
175 |
|
|
} |
176 |
|
|
mem = m->cpus[m->bootstrap_cpu]->mem; |
177 |
|
|
|
178 |
|
|
if (m->cpus == NULL) { |
179 |
|
|
printf("No cpus (?)\n"); |
180 |
|
|
return; |
181 |
|
|
} |
182 |
|
|
c = m->cpus[m->bootstrap_cpu]; |
183 |
|
|
if (c == NULL) { |
184 |
|
|
printf("m->cpus[m->bootstrap_cpu] = NULL\n"); |
185 |
|
|
return; |
186 |
|
|
} |
187 |
|
|
mem = m->cpus[m->bootstrap_cpu]->mem; |
188 |
|
|
|
189 |
|
|
if (strcmp(cmd_line, "all") == 0) { |
190 |
|
|
device_dumplist(); |
191 |
|
|
} else if (strncmp(cmd_line, "add ", 4) == 0) { |
192 |
|
|
device_add(m, cmd_line+4); |
193 |
|
|
} else if (strcmp(cmd_line, "consoles") == 0) { |
194 |
|
|
console_debug_dump(m); |
195 |
|
|
} else if (strncmp(cmd_line, "remove ", 7) == 0) { |
196 |
|
|
i = atoi(cmd_line + 7); |
197 |
|
|
if (i==0 && cmd_line[7]!='0') { |
198 |
|
|
printf("Weird device number. Use 'device list'.\n"); |
199 |
|
|
} else |
200 |
|
|
memory_device_remove(m->memory, i); |
201 |
|
|
} else if (strcmp(cmd_line, "list") == 0) { |
202 |
|
|
if (mem->n_mmapped_devices == 0) |
203 |
|
|
printf("No memory-mapped devices in this machine.\n"); |
204 |
|
|
|
205 |
|
|
for (i=0; i<mem->n_mmapped_devices; i++) { |
206 |
|
|
printf("%2i: %25s @ 0x%011"PRIx64", len = 0x%"PRIx64, |
207 |
dpavlin |
32 |
i, mem->devices[i].name, |
208 |
|
|
(uint64_t) mem->devices[i].baseaddr, |
209 |
|
|
(uint64_t) mem->devices[i].length); |
210 |
dpavlin |
24 |
|
211 |
dpavlin |
32 |
if (mem->devices[i].flags) { |
212 |
dpavlin |
24 |
printf(" ("); |
213 |
dpavlin |
32 |
if (mem->devices[i].flags & DM_DYNTRANS_OK) |
214 |
dpavlin |
24 |
printf("DYNTRANS R"); |
215 |
dpavlin |
32 |
if (mem->devices[i].flags &DM_DYNTRANS_WRITE_OK) |
216 |
dpavlin |
24 |
printf("+W"); |
217 |
|
|
printf(")"); |
218 |
|
|
} |
219 |
|
|
printf("\n"); |
220 |
|
|
} |
221 |
|
|
} else |
222 |
|
|
goto return_help; |
223 |
|
|
|
224 |
|
|
return; |
225 |
|
|
|
226 |
|
|
return_help: |
227 |
|
|
printf("syntax: devices cmd [...]\n"); |
228 |
|
|
printf("Available cmds are:\n"); |
229 |
|
|
printf(" add name_and_params add a device to the current " |
230 |
|
|
"machine\n"); |
231 |
|
|
printf(" all list all registered devices\n"); |
232 |
|
|
printf(" consoles list all slave consoles\n"); |
233 |
|
|
printf(" list list memory-mapped devices in the" |
234 |
|
|
" current machine\n"); |
235 |
|
|
printf(" remove x remove device nr x from the " |
236 |
|
|
"current machine\n"); |
237 |
|
|
} |
238 |
|
|
|
239 |
|
|
|
240 |
|
|
/* |
241 |
|
|
* debugger_cmd_dump(): |
242 |
|
|
* |
243 |
|
|
* Dump emulated memory in hex and ASCII. |
244 |
|
|
* |
245 |
|
|
* syntax: dump [addr [endaddr]] |
246 |
|
|
*/ |
247 |
|
|
static void debugger_cmd_dump(struct machine *m, char *cmd_line) |
248 |
|
|
{ |
249 |
|
|
uint64_t addr, addr_start, addr_end; |
250 |
|
|
struct cpu *c; |
251 |
|
|
struct memory *mem; |
252 |
|
|
char *p = NULL; |
253 |
|
|
int x, r; |
254 |
|
|
|
255 |
|
|
if (cmd_line[0] != '\0') { |
256 |
|
|
uint64_t tmp; |
257 |
dpavlin |
42 |
char *tmps; |
258 |
dpavlin |
24 |
|
259 |
dpavlin |
42 |
CHECK_ALLOCATION(tmps = strdup(cmd_line)); |
260 |
|
|
|
261 |
dpavlin |
24 |
/* addr: */ |
262 |
|
|
p = strchr(tmps, ' '); |
263 |
|
|
if (p != NULL) |
264 |
|
|
*p = '\0'; |
265 |
dpavlin |
32 |
r = debugger_parse_expression(m, tmps, 0, &tmp); |
266 |
dpavlin |
24 |
free(tmps); |
267 |
|
|
|
268 |
dpavlin |
32 |
if (r == PARSE_NOMATCH || r == PARSE_MULTIPLE) { |
269 |
dpavlin |
24 |
printf("Unparsable address: %s\n", cmd_line); |
270 |
|
|
return; |
271 |
|
|
} else { |
272 |
|
|
last_dump_addr = tmp; |
273 |
|
|
} |
274 |
|
|
|
275 |
|
|
p = strchr(cmd_line, ' '); |
276 |
|
|
} |
277 |
|
|
|
278 |
dpavlin |
32 |
if (m->cpus == NULL) { |
279 |
|
|
printf("No cpus (?)\n"); |
280 |
|
|
return; |
281 |
|
|
} |
282 |
|
|
c = m->cpus[m->bootstrap_cpu]; |
283 |
|
|
if (c == NULL) { |
284 |
|
|
printf("m->cpus[m->bootstrap_cpu] = NULL\n"); |
285 |
|
|
return; |
286 |
|
|
} |
287 |
|
|
mem = m->cpus[m->bootstrap_cpu]->mem; |
288 |
|
|
|
289 |
dpavlin |
24 |
addr_start = last_dump_addr; |
290 |
|
|
|
291 |
dpavlin |
32 |
if (addr_start == MAGIC_UNTOUCHED) |
292 |
|
|
addr_start = c->pc; |
293 |
dpavlin |
24 |
|
294 |
|
|
addr_end = addr_start + 16 * 16; |
295 |
|
|
|
296 |
|
|
/* endaddr: */ |
297 |
|
|
if (p != NULL) { |
298 |
|
|
while (*p == ' ' && *p) |
299 |
|
|
p++; |
300 |
dpavlin |
32 |
r = debugger_parse_expression(m, p, 0, &addr_end); |
301 |
|
|
if (r == PARSE_NOMATCH || r == PARSE_MULTIPLE) { |
302 |
dpavlin |
24 |
printf("Unparsable address: %s\n", cmd_line); |
303 |
|
|
return; |
304 |
|
|
} |
305 |
|
|
} |
306 |
|
|
|
307 |
|
|
addr = addr_start & ~0xf; |
308 |
|
|
|
309 |
|
|
ctrl_c = 0; |
310 |
|
|
|
311 |
|
|
while (addr < addr_end) { |
312 |
|
|
unsigned char buf[16]; |
313 |
|
|
memset(buf, 0, sizeof(buf)); |
314 |
|
|
r = c->memory_rw(c, mem, addr, &buf[0], sizeof(buf), |
315 |
|
|
MEM_READ, CACHE_NONE | NO_EXCEPTIONS); |
316 |
|
|
|
317 |
|
|
if (c->is_32bit) |
318 |
|
|
printf("0x%08"PRIx32" ", (uint32_t) addr); |
319 |
|
|
else |
320 |
|
|
printf("0x%016"PRIx64" ", (uint64_t) addr); |
321 |
|
|
|
322 |
|
|
if (r == MEMORY_ACCESS_FAILED) |
323 |
|
|
printf("(memory access failed)\n"); |
324 |
|
|
else { |
325 |
|
|
for (x=0; x<16; x++) { |
326 |
|
|
if (addr + x >= addr_start && |
327 |
|
|
addr + x < addr_end) |
328 |
|
|
printf("%02x%s", buf[x], |
329 |
|
|
(x&3)==3? " " : ""); |
330 |
|
|
else |
331 |
|
|
printf(" %s", (x&3)==3? " " : ""); |
332 |
|
|
} |
333 |
|
|
printf(" "); |
334 |
|
|
for (x=0; x<16; x++) { |
335 |
|
|
if (addr + x >= addr_start && |
336 |
|
|
addr + x < addr_end) |
337 |
|
|
printf("%c", (buf[x]>=' ' && |
338 |
|
|
buf[x]<127)? buf[x] : '.'); |
339 |
|
|
else |
340 |
|
|
printf(" "); |
341 |
|
|
} |
342 |
|
|
printf("\n"); |
343 |
|
|
} |
344 |
|
|
|
345 |
|
|
if (ctrl_c) |
346 |
|
|
return; |
347 |
|
|
|
348 |
|
|
addr += sizeof(buf); |
349 |
|
|
} |
350 |
|
|
|
351 |
|
|
last_dump_addr = addr_end; |
352 |
|
|
|
353 |
|
|
strlcpy(repeat_cmd, "dump", MAX_CMD_BUFLEN); |
354 |
|
|
} |
355 |
|
|
|
356 |
|
|
|
357 |
|
|
/* |
358 |
dpavlin |
44 |
* debugger_cmd_emul(): |
359 |
dpavlin |
24 |
* |
360 |
dpavlin |
44 |
* Dump info about the current emulation. |
361 |
dpavlin |
24 |
*/ |
362 |
dpavlin |
44 |
static void debugger_cmd_emul(struct machine *m, char *cmd_line) |
363 |
dpavlin |
24 |
{ |
364 |
dpavlin |
44 |
int iadd = DEBUG_INDENTATION; |
365 |
dpavlin |
24 |
|
366 |
|
|
if (*cmd_line) { |
367 |
dpavlin |
44 |
printf("syntax: emul\n"); |
368 |
dpavlin |
24 |
return; |
369 |
|
|
} |
370 |
|
|
|
371 |
dpavlin |
44 |
debug("emulation \"%s\":\n", debugger_emul->name == NULL? |
372 |
|
|
"(simple setup)" : debugger_emul->name); |
373 |
dpavlin |
24 |
|
374 |
dpavlin |
44 |
debug_indentation(iadd); |
375 |
|
|
emul_dumpinfo(debugger_emul); |
376 |
|
|
debug_indentation(-iadd); |
377 |
dpavlin |
24 |
} |
378 |
|
|
|
379 |
|
|
|
380 |
|
|
/* |
381 |
|
|
* debugger_cmd_focus(): |
382 |
|
|
* |
383 |
dpavlin |
32 |
* Changes focus to specific cpu, in a specific machine (in a specific |
384 |
|
|
* emulation). |
385 |
dpavlin |
24 |
*/ |
386 |
|
|
static void debugger_cmd_focus(struct machine *m, char *cmd_line) |
387 |
|
|
{ |
388 |
dpavlin |
44 |
int x = -1, y = -1; |
389 |
dpavlin |
32 |
char *p, *p2; |
390 |
dpavlin |
24 |
|
391 |
|
|
if (!cmd_line[0]) { |
392 |
dpavlin |
44 |
printf("syntax: focus x[,y]\n"); |
393 |
|
|
printf("where x (cpu id) and y (machine number) " |
394 |
|
|
"are integers as\nreported by the 'emul'" |
395 |
dpavlin |
32 |
" command.\n"); |
396 |
dpavlin |
24 |
goto print_current_focus_and_return; |
397 |
|
|
} |
398 |
|
|
|
399 |
|
|
x = atoi(cmd_line); |
400 |
|
|
p = strchr(cmd_line, ','); |
401 |
|
|
if (p == cmd_line) { |
402 |
dpavlin |
32 |
printf("No cpu number specified?\n"); |
403 |
dpavlin |
24 |
return; |
404 |
|
|
} |
405 |
|
|
|
406 |
dpavlin |
32 |
if (p != NULL) { |
407 |
|
|
y = atoi(p+1); |
408 |
|
|
p2 = strchr(p+1, ','); |
409 |
|
|
if (p2 == p+1) { |
410 |
|
|
printf("No machine number specified?\n"); |
411 |
|
|
return; |
412 |
|
|
} |
413 |
|
|
} |
414 |
|
|
|
415 |
|
|
if (y != -1) { |
416 |
|
|
/* Change machine: */ |
417 |
|
|
if (y < 0 || y >= debugger_emul->n_machines) { |
418 |
|
|
printf("Invalid machine number: %i\n", y); |
419 |
|
|
return; |
420 |
|
|
} |
421 |
|
|
|
422 |
|
|
debugger_cur_machine = y; |
423 |
|
|
debugger_machine = debugger_emul->machines[y]; |
424 |
|
|
} |
425 |
|
|
|
426 |
|
|
/* Change cpu: */ |
427 |
|
|
if (x < 0 || x >= debugger_machine->ncpus) { |
428 |
|
|
printf("Invalid cpu number: %i\n", x); |
429 |
dpavlin |
24 |
return; |
430 |
|
|
} |
431 |
|
|
|
432 |
dpavlin |
32 |
debugger_cur_cpu = x; |
433 |
dpavlin |
24 |
|
434 |
|
|
print_current_focus_and_return: |
435 |
dpavlin |
32 |
if (debugger_emul->n_machines > 1) |
436 |
|
|
printf("current machine (%i): \"%s\"\n", |
437 |
|
|
debugger_cur_machine, debugger_machine->name == NULL? |
438 |
|
|
"(no name)" : debugger_machine->name); |
439 |
|
|
|
440 |
|
|
printf("current cpu (%i)\n", debugger_cur_cpu); |
441 |
dpavlin |
24 |
} |
442 |
|
|
|
443 |
|
|
|
444 |
|
|
/* This is defined below. */ |
445 |
|
|
static void debugger_cmd_help(struct machine *m, char *cmd_line); |
446 |
|
|
|
447 |
|
|
|
448 |
|
|
/* |
449 |
|
|
* debugger_cmd_itrace(): |
450 |
|
|
*/ |
451 |
|
|
static void debugger_cmd_itrace(struct machine *m, char *cmd_line) |
452 |
|
|
{ |
453 |
|
|
if (*cmd_line) { |
454 |
|
|
printf("syntax: itrace\n"); |
455 |
|
|
return; |
456 |
|
|
} |
457 |
|
|
|
458 |
|
|
old_instruction_trace = 1 - old_instruction_trace; |
459 |
|
|
printf("instruction_trace = %s\n", old_instruction_trace? "ON":"OFF"); |
460 |
|
|
/* TODO: how to preserve quiet_mode? */ |
461 |
|
|
old_quiet_mode = 0; |
462 |
|
|
printf("quiet_mode = %s\n", old_quiet_mode? "ON" : "OFF"); |
463 |
|
|
} |
464 |
|
|
|
465 |
|
|
|
466 |
|
|
/* |
467 |
|
|
* debugger_cmd_lookup(): |
468 |
|
|
*/ |
469 |
|
|
static void debugger_cmd_lookup(struct machine *m, char *cmd_line) |
470 |
|
|
{ |
471 |
|
|
uint64_t addr; |
472 |
|
|
int res; |
473 |
|
|
char *symbol; |
474 |
|
|
uint64_t offset; |
475 |
|
|
|
476 |
|
|
if (cmd_line[0] == '\0') { |
477 |
|
|
printf("syntax: lookup name|addr\n"); |
478 |
|
|
return; |
479 |
|
|
|
480 |
|
|
} |
481 |
|
|
|
482 |
|
|
/* Addresses never need to be given in decimal form anyway, |
483 |
|
|
so assuming hex here will be ok. */ |
484 |
|
|
addr = strtoull(cmd_line, NULL, 16); |
485 |
|
|
|
486 |
|
|
if (addr == 0) { |
487 |
|
|
uint64_t newaddr; |
488 |
|
|
res = get_symbol_addr(&m->symbol_context, |
489 |
|
|
cmd_line, &newaddr); |
490 |
|
|
if (!res) { |
491 |
|
|
printf("lookup for '%s' failed\n", cmd_line); |
492 |
|
|
return; |
493 |
|
|
} |
494 |
|
|
printf("%s = 0x", cmd_line); |
495 |
|
|
if (m->cpus[0]->is_32bit) |
496 |
|
|
printf("%08"PRIx32"\n", (uint32_t) newaddr); |
497 |
|
|
else |
498 |
|
|
printf("%016"PRIx64"\n", (uint64_t) newaddr); |
499 |
|
|
return; |
500 |
|
|
} |
501 |
|
|
|
502 |
|
|
symbol = get_symbol_name(&m->symbol_context, addr, &offset); |
503 |
|
|
|
504 |
|
|
if (symbol != NULL) { |
505 |
|
|
if (m->cpus[0]->is_32bit) |
506 |
|
|
printf("0x%08"PRIx32, (uint32_t) addr); |
507 |
|
|
else |
508 |
|
|
printf("0x%016"PRIx64, (uint64_t) addr); |
509 |
|
|
printf(" = %s\n", symbol); |
510 |
|
|
} else |
511 |
|
|
printf("lookup for '%s' failed\n", cmd_line); |
512 |
|
|
} |
513 |
|
|
|
514 |
|
|
|
515 |
|
|
/* |
516 |
|
|
* debugger_cmd_machine(): |
517 |
|
|
* |
518 |
|
|
* Dump info about the currently focused machine. |
519 |
|
|
*/ |
520 |
|
|
static void debugger_cmd_machine(struct machine *m, char *cmd_line) |
521 |
|
|
{ |
522 |
dpavlin |
44 |
int iadd = 0; |
523 |
dpavlin |
24 |
|
524 |
|
|
if (*cmd_line) { |
525 |
|
|
printf("syntax: machine\n"); |
526 |
|
|
return; |
527 |
|
|
} |
528 |
|
|
|
529 |
dpavlin |
44 |
if (m->name != NULL) { |
530 |
|
|
debug("machine \"%s\":\n", m->name); |
531 |
|
|
iadd = DEBUG_INDENTATION; |
532 |
|
|
} |
533 |
|
|
|
534 |
dpavlin |
24 |
debug_indentation(iadd); |
535 |
|
|
machine_dumpinfo(m); |
536 |
|
|
debug_indentation(-iadd); |
537 |
|
|
} |
538 |
|
|
|
539 |
|
|
|
540 |
|
|
/* |
541 |
|
|
* debugger_cmd_ninstrs(): |
542 |
|
|
*/ |
543 |
|
|
static void debugger_cmd_ninstrs(struct machine *m, char *cmd_line) |
544 |
|
|
{ |
545 |
|
|
int toggle = 1; |
546 |
|
|
int previous_mode = m->show_nr_of_instructions; |
547 |
|
|
|
548 |
|
|
if (cmd_line[0] != '\0') { |
549 |
|
|
while (cmd_line[0] != '\0' && cmd_line[0] == ' ') |
550 |
|
|
cmd_line ++; |
551 |
|
|
switch (cmd_line[0]) { |
552 |
|
|
case '0': |
553 |
|
|
toggle = 0; |
554 |
|
|
m->show_nr_of_instructions = 0; |
555 |
|
|
break; |
556 |
|
|
case '1': |
557 |
|
|
toggle = 0; |
558 |
|
|
m->show_nr_of_instructions = 1; |
559 |
|
|
break; |
560 |
|
|
case 'o': |
561 |
|
|
case 'O': |
562 |
|
|
toggle = 0; |
563 |
|
|
switch (cmd_line[1]) { |
564 |
|
|
case 'n': |
565 |
|
|
case 'N': |
566 |
|
|
m->show_nr_of_instructions = 1; |
567 |
|
|
break; |
568 |
|
|
default: |
569 |
|
|
m->show_nr_of_instructions = 0; |
570 |
|
|
} |
571 |
|
|
break; |
572 |
|
|
default: |
573 |
|
|
printf("syntax: trace [on|off]\n"); |
574 |
|
|
return; |
575 |
|
|
} |
576 |
|
|
} |
577 |
|
|
|
578 |
|
|
if (toggle) |
579 |
|
|
m->show_nr_of_instructions = !m->show_nr_of_instructions; |
580 |
|
|
|
581 |
|
|
printf("show_nr_of_instructions = %s", |
582 |
|
|
m->show_nr_of_instructions? "ON" : "OFF"); |
583 |
|
|
if (m->show_nr_of_instructions != previous_mode) |
584 |
|
|
printf(" (was: %s)", previous_mode? "ON" : "OFF"); |
585 |
|
|
printf("\n"); |
586 |
|
|
} |
587 |
|
|
|
588 |
|
|
|
589 |
|
|
/* |
590 |
|
|
* debugger_cmd_pause(): |
591 |
|
|
*/ |
592 |
|
|
static void debugger_cmd_pause(struct machine *m, char *cmd_line) |
593 |
|
|
{ |
594 |
|
|
int cpuid = -1; |
595 |
|
|
|
596 |
|
|
if (cmd_line[0] != '\0') |
597 |
|
|
cpuid = atoi(cmd_line); |
598 |
|
|
else { |
599 |
|
|
printf("syntax: pause cpuid\n"); |
600 |
|
|
return; |
601 |
|
|
} |
602 |
|
|
|
603 |
|
|
if (cpuid < 0 || cpuid >= m->ncpus) { |
604 |
|
|
printf("cpu%i doesn't exist.\n", cpuid); |
605 |
|
|
return; |
606 |
|
|
} |
607 |
|
|
|
608 |
|
|
m->cpus[cpuid]->running ^= 1; |
609 |
|
|
|
610 |
|
|
printf("cpu%i (%s) in machine \"%s\" is now %s\n", cpuid, |
611 |
|
|
m->cpus[cpuid]->name, m->name, |
612 |
|
|
m->cpus[cpuid]->running? "RUNNING" : "STOPPED"); |
613 |
|
|
} |
614 |
|
|
|
615 |
|
|
|
616 |
|
|
/* |
617 |
|
|
* debugger_cmd_print(): |
618 |
|
|
*/ |
619 |
|
|
static void debugger_cmd_print(struct machine *m, char *cmd_line) |
620 |
|
|
{ |
621 |
|
|
int res; |
622 |
|
|
uint64_t tmp; |
623 |
|
|
|
624 |
|
|
while (cmd_line[0] != '\0' && cmd_line[0] == ' ') |
625 |
|
|
cmd_line ++; |
626 |
|
|
|
627 |
|
|
if (cmd_line[0] == '\0') { |
628 |
|
|
printf("syntax: print expr\n"); |
629 |
|
|
return; |
630 |
|
|
} |
631 |
|
|
|
632 |
dpavlin |
32 |
res = debugger_parse_expression(m, cmd_line, 0, &tmp); |
633 |
dpavlin |
24 |
switch (res) { |
634 |
dpavlin |
32 |
case PARSE_NOMATCH: |
635 |
dpavlin |
24 |
printf("No match.\n"); |
636 |
|
|
break; |
637 |
dpavlin |
32 |
case PARSE_MULTIPLE: |
638 |
dpavlin |
24 |
printf("Multiple matches. Try prefixing with %%, $, or @.\n"); |
639 |
|
|
break; |
640 |
dpavlin |
32 |
case PARSE_SETTINGS: |
641 |
dpavlin |
24 |
printf("%s = 0x%"PRIx64"\n", cmd_line, (uint64_t)tmp); |
642 |
|
|
break; |
643 |
dpavlin |
32 |
case PARSE_SYMBOL: |
644 |
dpavlin |
24 |
if (m->cpus[0]->is_32bit) |
645 |
|
|
printf("%s = 0x%08"PRIx32"\n", cmd_line, (uint32_t)tmp); |
646 |
|
|
else |
647 |
|
|
printf("%s = 0x%016"PRIx64"\n", cmd_line,(uint64_t)tmp); |
648 |
|
|
break; |
649 |
dpavlin |
32 |
case PARSE_NUMBER: |
650 |
dpavlin |
24 |
printf("0x%"PRIx64"\n", (uint64_t) tmp); |
651 |
|
|
break; |
652 |
|
|
} |
653 |
|
|
} |
654 |
|
|
|
655 |
|
|
|
656 |
|
|
/* |
657 |
|
|
* debugger_cmd_put(): |
658 |
|
|
*/ |
659 |
|
|
static void debugger_cmd_put(struct machine *m, char *cmd_line) |
660 |
|
|
{ |
661 |
|
|
static char put_type = ' '; /* Remembered across multiple calls. */ |
662 |
|
|
char copy[200]; |
663 |
|
|
int res, syntax_ok = 0; |
664 |
|
|
char *p, *p2, *q = NULL; |
665 |
|
|
uint64_t addr, data; |
666 |
|
|
unsigned char a_byte; |
667 |
|
|
|
668 |
|
|
strncpy(copy, cmd_line, sizeof(copy)); |
669 |
|
|
copy[sizeof(copy)-1] = '\0'; |
670 |
|
|
|
671 |
|
|
/* syntax: put [b|h|w|d|q] addr, data */ |
672 |
|
|
|
673 |
|
|
p = strchr(copy, ','); |
674 |
|
|
if (p != NULL) { |
675 |
|
|
*p++ = '\0'; |
676 |
|
|
while (*p == ' ' && *p) |
677 |
|
|
p++; |
678 |
|
|
while (strlen(copy) >= 1 && |
679 |
|
|
copy[strlen(copy) - 1] == ' ') |
680 |
|
|
copy[strlen(copy) - 1] = '\0'; |
681 |
|
|
|
682 |
|
|
/* printf("L = '%s', R = '%s'\n", copy, p); */ |
683 |
|
|
|
684 |
|
|
q = copy; |
685 |
|
|
p2 = strchr(q, ' '); |
686 |
|
|
|
687 |
|
|
if (p2 != NULL) { |
688 |
|
|
*p2 = '\0'; |
689 |
|
|
if (strlen(q) != 1) { |
690 |
|
|
printf("Invalid type '%s'\n", q); |
691 |
|
|
return; |
692 |
|
|
} |
693 |
|
|
put_type = *q; |
694 |
|
|
q = p2 + 1; |
695 |
|
|
} |
696 |
|
|
|
697 |
|
|
/* printf("type '%c', L '%s', R '%s'\n", put_type, q, p); */ |
698 |
|
|
syntax_ok = 1; |
699 |
|
|
} |
700 |
|
|
|
701 |
|
|
if (!syntax_ok) { |
702 |
|
|
printf("syntax: put [b|h|w|d|q] addr, data\n"); |
703 |
|
|
printf(" b byte (8 bits)\n"); |
704 |
|
|
printf(" h half-word (16 bits)\n"); |
705 |
|
|
printf(" w word (32 bits)\n"); |
706 |
|
|
printf(" d doubleword (64 bits)\n"); |
707 |
|
|
printf(" q quad-word (128 bits)\n"); |
708 |
|
|
return; |
709 |
|
|
} |
710 |
|
|
|
711 |
|
|
if (put_type == ' ') { |
712 |
|
|
printf("No type specified.\n"); |
713 |
|
|
return; |
714 |
|
|
} |
715 |
|
|
|
716 |
|
|
/* here: q is the address, p is the data. */ |
717 |
dpavlin |
32 |
res = debugger_parse_expression(m, q, 0, &addr); |
718 |
dpavlin |
24 |
switch (res) { |
719 |
dpavlin |
32 |
case PARSE_NOMATCH: |
720 |
dpavlin |
24 |
printf("Couldn't parse the address.\n"); |
721 |
|
|
return; |
722 |
dpavlin |
32 |
case PARSE_MULTIPLE: |
723 |
dpavlin |
24 |
printf("Multiple matches for the address." |
724 |
|
|
" Try prefixing with %%, $, or @.\n"); |
725 |
|
|
return; |
726 |
dpavlin |
32 |
case PARSE_SETTINGS: |
727 |
|
|
case PARSE_SYMBOL: |
728 |
|
|
case PARSE_NUMBER: |
729 |
dpavlin |
24 |
break; |
730 |
|
|
default: |
731 |
|
|
printf("INTERNAL ERROR in debugger.c.\n"); |
732 |
|
|
return; |
733 |
|
|
} |
734 |
|
|
|
735 |
dpavlin |
32 |
res = debugger_parse_expression(m, p, 0, &data); |
736 |
dpavlin |
24 |
switch (res) { |
737 |
dpavlin |
32 |
case PARSE_NOMATCH: |
738 |
dpavlin |
24 |
printf("Couldn't parse the data.\n"); |
739 |
|
|
return; |
740 |
dpavlin |
32 |
case PARSE_MULTIPLE: |
741 |
dpavlin |
24 |
printf("Multiple matches for the data value." |
742 |
|
|
" Try prefixing with %%, $, or @.\n"); |
743 |
|
|
return; |
744 |
dpavlin |
32 |
case PARSE_SETTINGS: |
745 |
|
|
case PARSE_SYMBOL: |
746 |
|
|
case PARSE_NUMBER: |
747 |
dpavlin |
24 |
break; |
748 |
|
|
default: |
749 |
|
|
printf("INTERNAL ERROR in debugger.c.\n"); |
750 |
|
|
return; |
751 |
|
|
} |
752 |
|
|
|
753 |
|
|
/* TODO: haha, maybe this should be refactored */ |
754 |
|
|
|
755 |
|
|
switch (put_type) { |
756 |
|
|
case 'b': |
757 |
|
|
a_byte = data; |
758 |
|
|
if (m->cpus[0]->is_32bit) |
759 |
|
|
printf("0x%08"PRIx32, (uint32_t) addr); |
760 |
|
|
else |
761 |
|
|
printf("0x%016"PRIx64, (uint64_t) addr); |
762 |
|
|
printf(": %02x", a_byte); |
763 |
|
|
if (data > 255) |
764 |
|
|
printf(" (NOTE: truncating %0"PRIx64")", |
765 |
|
|
(uint64_t) data); |
766 |
|
|
res = m->cpus[0]->memory_rw(m->cpus[0], m->cpus[0]->mem, addr, |
767 |
|
|
&a_byte, 1, MEM_WRITE, CACHE_NONE | NO_EXCEPTIONS); |
768 |
|
|
if (!res) |
769 |
|
|
printf(" FAILED!\n"); |
770 |
|
|
printf("\n"); |
771 |
|
|
return; |
772 |
|
|
case 'h': |
773 |
|
|
if ((addr & 1) != 0) |
774 |
|
|
printf("WARNING: address isn't aligned\n"); |
775 |
|
|
if (m->cpus[0]->is_32bit) |
776 |
|
|
printf("0x%08"PRIx32, (uint32_t) addr); |
777 |
|
|
else |
778 |
|
|
printf("0x%016"PRIx64, (uint64_t) addr); |
779 |
|
|
printf(": %04x", (int)data); |
780 |
|
|
if (data > 0xffff) |
781 |
|
|
printf(" (NOTE: truncating %0"PRIx64")", |
782 |
|
|
(uint64_t) data); |
783 |
|
|
res = store_16bit_word(m->cpus[0], addr, data); |
784 |
|
|
if (!res) |
785 |
|
|
printf(" FAILED!\n"); |
786 |
|
|
printf("\n"); |
787 |
|
|
return; |
788 |
|
|
case 'w': |
789 |
|
|
if ((addr & 3) != 0) |
790 |
|
|
printf("WARNING: address isn't aligned\n"); |
791 |
|
|
if (m->cpus[0]->is_32bit) |
792 |
|
|
printf("0x%08"PRIx32, (uint32_t) addr); |
793 |
|
|
else |
794 |
|
|
printf("0x%016"PRIx64, (uint64_t) addr); |
795 |
|
|
|
796 |
|
|
printf(": %08x", (int)data); |
797 |
|
|
|
798 |
|
|
if (data > 0xffffffff && (data >> 32) != 0 |
799 |
|
|
&& (data >> 32) != 0xffffffff) |
800 |
|
|
printf(" (NOTE: truncating %0"PRIx64")", |
801 |
|
|
(uint64_t) data); |
802 |
|
|
|
803 |
|
|
res = store_32bit_word(m->cpus[0], addr, data); |
804 |
|
|
if (!res) |
805 |
|
|
printf(" FAILED!\n"); |
806 |
|
|
printf("\n"); |
807 |
|
|
return; |
808 |
|
|
case 'd': |
809 |
|
|
if ((addr & 7) != 0) |
810 |
|
|
printf("WARNING: address isn't aligned\n"); |
811 |
|
|
if (m->cpus[0]->is_32bit) |
812 |
|
|
printf("0x%08"PRIx32, (uint32_t) addr); |
813 |
|
|
else |
814 |
|
|
printf("0x%016"PRIx64, (uint64_t) addr); |
815 |
|
|
|
816 |
|
|
printf(": %016"PRIx64, (uint64_t) data); |
817 |
|
|
|
818 |
|
|
res = store_64bit_word(m->cpus[0], addr, data); |
819 |
|
|
if (!res) |
820 |
|
|
printf(" FAILED!\n"); |
821 |
|
|
printf("\n"); |
822 |
|
|
return; |
823 |
|
|
case 'q': |
824 |
|
|
printf("quad-words: TODO\n"); |
825 |
|
|
/* TODO */ |
826 |
|
|
return; |
827 |
|
|
default: |
828 |
|
|
printf("Unimplemented type '%c'\n", put_type); |
829 |
|
|
return; |
830 |
|
|
} |
831 |
|
|
} |
832 |
|
|
|
833 |
|
|
|
834 |
|
|
/* |
835 |
|
|
* debugger_cmd_quiet(): |
836 |
|
|
*/ |
837 |
|
|
static void debugger_cmd_quiet(struct machine *m, char *cmd_line) |
838 |
|
|
{ |
839 |
|
|
int toggle = 1; |
840 |
|
|
int previous_mode = old_quiet_mode; |
841 |
|
|
|
842 |
|
|
if (cmd_line[0] != '\0') { |
843 |
|
|
while (cmd_line[0] != '\0' && cmd_line[0] == ' ') |
844 |
|
|
cmd_line ++; |
845 |
|
|
switch (cmd_line[0]) { |
846 |
|
|
case '0': |
847 |
|
|
toggle = 0; |
848 |
|
|
old_quiet_mode = 0; |
849 |
|
|
break; |
850 |
|
|
case '1': |
851 |
|
|
toggle = 0; |
852 |
|
|
old_quiet_mode = 1; |
853 |
|
|
break; |
854 |
|
|
case 'o': |
855 |
|
|
case 'O': |
856 |
|
|
toggle = 0; |
857 |
|
|
switch (cmd_line[1]) { |
858 |
|
|
case 'n': |
859 |
|
|
case 'N': |
860 |
|
|
old_quiet_mode = 1; |
861 |
|
|
break; |
862 |
|
|
default: |
863 |
|
|
old_quiet_mode = 0; |
864 |
|
|
} |
865 |
|
|
break; |
866 |
|
|
default: |
867 |
|
|
printf("syntax: quiet [on|off]\n"); |
868 |
|
|
return; |
869 |
|
|
} |
870 |
|
|
} |
871 |
|
|
|
872 |
|
|
if (toggle) |
873 |
|
|
old_quiet_mode = 1 - old_quiet_mode; |
874 |
|
|
|
875 |
|
|
printf("quiet_mode = %s", old_quiet_mode? "ON" : "OFF"); |
876 |
|
|
if (old_quiet_mode != previous_mode) |
877 |
|
|
printf(" (was: %s)", previous_mode? "ON" : "OFF"); |
878 |
|
|
printf("\n"); |
879 |
|
|
} |
880 |
|
|
|
881 |
|
|
|
882 |
|
|
/* |
883 |
|
|
* debugger_cmd_quit(): |
884 |
|
|
*/ |
885 |
|
|
static void debugger_cmd_quit(struct machine *m, char *cmd_line) |
886 |
|
|
{ |
887 |
dpavlin |
44 |
int j, k; |
888 |
dpavlin |
24 |
|
889 |
|
|
if (*cmd_line) { |
890 |
|
|
printf("syntax: quit\n"); |
891 |
|
|
return; |
892 |
|
|
} |
893 |
|
|
|
894 |
dpavlin |
44 |
single_step = NOT_SINGLE_STEPPING; |
895 |
dpavlin |
24 |
|
896 |
dpavlin |
44 |
force_debugger_at_exit = 0; |
897 |
dpavlin |
24 |
|
898 |
dpavlin |
44 |
for (j=0; j<debugger_emul->n_machines; j++) { |
899 |
|
|
struct machine *m = debugger_emul->machines[j]; |
900 |
dpavlin |
24 |
|
901 |
dpavlin |
44 |
for (k=0; k<m->ncpus; k++) |
902 |
|
|
m->cpus[k]->running = 0; |
903 |
dpavlin |
24 |
|
904 |
dpavlin |
44 |
m->exit_without_entering_debugger = 1; |
905 |
dpavlin |
24 |
} |
906 |
|
|
|
907 |
|
|
exit_debugger = 1; |
908 |
|
|
} |
909 |
|
|
|
910 |
|
|
|
911 |
|
|
/* |
912 |
|
|
* debugger_cmd_reg(): |
913 |
|
|
*/ |
914 |
|
|
static void debugger_cmd_reg(struct machine *m, char *cmd_line) |
915 |
|
|
{ |
916 |
dpavlin |
32 |
int cpuid = debugger_cur_cpu, coprocnr = -1; |
917 |
dpavlin |
24 |
int gprs, coprocs; |
918 |
|
|
char *p; |
919 |
|
|
|
920 |
|
|
/* [cpuid][,c] */ |
921 |
|
|
if (cmd_line[0] != '\0') { |
922 |
|
|
if (cmd_line[0] != ',') { |
923 |
|
|
cpuid = strtoull(cmd_line, NULL, 0); |
924 |
|
|
if (cpuid < 0 || cpuid >= m->ncpus) { |
925 |
|
|
printf("cpu%i doesn't exist.\n", cpuid); |
926 |
|
|
return; |
927 |
|
|
} |
928 |
|
|
} |
929 |
|
|
p = strchr(cmd_line, ','); |
930 |
|
|
if (p != NULL) { |
931 |
|
|
coprocnr = atoi(p + 1); |
932 |
|
|
if (coprocnr < 0 || coprocnr >= 4) { |
933 |
|
|
printf("Invalid coprocessor number.\n"); |
934 |
|
|
return; |
935 |
|
|
} |
936 |
|
|
} |
937 |
|
|
} |
938 |
|
|
|
939 |
|
|
gprs = (coprocnr == -1)? 1 : 0; |
940 |
|
|
coprocs = (coprocnr == -1)? 0x0 : (1 << coprocnr); |
941 |
|
|
|
942 |
dpavlin |
32 |
cpu_register_dump(m, m->cpus[cpuid], gprs, coprocs); |
943 |
dpavlin |
24 |
} |
944 |
|
|
|
945 |
|
|
|
946 |
|
|
/* |
947 |
|
|
* debugger_cmd_step(): |
948 |
|
|
*/ |
949 |
|
|
static void debugger_cmd_step(struct machine *m, char *cmd_line) |
950 |
|
|
{ |
951 |
|
|
int n = 1; |
952 |
|
|
|
953 |
|
|
if (cmd_line[0] != '\0') { |
954 |
|
|
n = strtoull(cmd_line, NULL, 0); |
955 |
|
|
if (n < 1) { |
956 |
|
|
printf("invalid nr of steps\n"); |
957 |
|
|
return; |
958 |
|
|
} |
959 |
|
|
} |
960 |
|
|
|
961 |
|
|
debugger_n_steps_left_before_interaction = n - 1; |
962 |
|
|
|
963 |
|
|
/* Special hack, see debugger() for more info. */ |
964 |
|
|
exit_debugger = -1; |
965 |
|
|
|
966 |
|
|
strlcpy(repeat_cmd, "step", MAX_CMD_BUFLEN); |
967 |
|
|
} |
968 |
|
|
|
969 |
|
|
|
970 |
|
|
/* |
971 |
|
|
* debugger_cmd_tlbdump(): |
972 |
|
|
* |
973 |
|
|
* Dump each CPU's TLB contents. |
974 |
|
|
*/ |
975 |
|
|
static void debugger_cmd_tlbdump(struct machine *m, char *cmd_line) |
976 |
|
|
{ |
977 |
|
|
int x = -1; |
978 |
|
|
int rawflag = 0; |
979 |
|
|
|
980 |
|
|
if (cmd_line[0] != '\0') { |
981 |
|
|
char *p; |
982 |
|
|
if (cmd_line[0] != ',') { |
983 |
|
|
x = strtoull(cmd_line, NULL, 0); |
984 |
|
|
if (x < 0 || x >= m->ncpus) { |
985 |
|
|
printf("cpu%i doesn't exist.\n", x); |
986 |
|
|
return; |
987 |
|
|
} |
988 |
|
|
} |
989 |
|
|
p = strchr(cmd_line, ','); |
990 |
|
|
if (p != NULL) { |
991 |
|
|
switch (p[1]) { |
992 |
|
|
case 'r': |
993 |
|
|
case 'R': |
994 |
|
|
rawflag = 1; |
995 |
|
|
break; |
996 |
|
|
default: |
997 |
|
|
printf("Unknown tlbdump flag.\n"); |
998 |
|
|
printf("syntax: tlbdump [cpuid][,r]\n"); |
999 |
|
|
return; |
1000 |
|
|
} |
1001 |
|
|
} |
1002 |
|
|
} |
1003 |
|
|
|
1004 |
|
|
cpu_tlbdump(m, x, rawflag); |
1005 |
|
|
} |
1006 |
|
|
|
1007 |
|
|
|
1008 |
|
|
/* |
1009 |
|
|
* debugger_cmd_trace(): |
1010 |
|
|
*/ |
1011 |
|
|
static void debugger_cmd_trace(struct machine *m, char *cmd_line) |
1012 |
|
|
{ |
1013 |
|
|
int toggle = 1; |
1014 |
|
|
int previous_mode = old_show_trace_tree; |
1015 |
|
|
|
1016 |
|
|
if (cmd_line[0] != '\0') { |
1017 |
|
|
while (cmd_line[0] != '\0' && cmd_line[0] == ' ') |
1018 |
|
|
cmd_line ++; |
1019 |
|
|
switch (cmd_line[0]) { |
1020 |
|
|
case '0': |
1021 |
|
|
toggle = 0; |
1022 |
|
|
old_show_trace_tree = 0; |
1023 |
|
|
break; |
1024 |
|
|
case '1': |
1025 |
|
|
toggle = 0; |
1026 |
|
|
old_show_trace_tree = 1; |
1027 |
|
|
break; |
1028 |
|
|
case 'o': |
1029 |
|
|
case 'O': |
1030 |
|
|
toggle = 0; |
1031 |
|
|
switch (cmd_line[1]) { |
1032 |
|
|
case 'n': |
1033 |
|
|
case 'N': |
1034 |
|
|
old_show_trace_tree = 1; |
1035 |
|
|
break; |
1036 |
|
|
default: |
1037 |
|
|
old_show_trace_tree = 0; |
1038 |
|
|
} |
1039 |
|
|
break; |
1040 |
|
|
default: |
1041 |
|
|
printf("syntax: trace [on|off]\n"); |
1042 |
|
|
return; |
1043 |
|
|
} |
1044 |
|
|
} |
1045 |
|
|
|
1046 |
|
|
if (toggle) |
1047 |
|
|
old_show_trace_tree = 1 - old_show_trace_tree; |
1048 |
|
|
|
1049 |
|
|
printf("show_trace_tree = %s", old_show_trace_tree? "ON" : "OFF"); |
1050 |
|
|
if (old_show_trace_tree != previous_mode) |
1051 |
|
|
printf(" (was: %s)", previous_mode? "ON" : "OFF"); |
1052 |
|
|
printf("\n"); |
1053 |
|
|
} |
1054 |
|
|
|
1055 |
|
|
|
1056 |
|
|
/* |
1057 |
|
|
* debugger_cmd_unassemble(): |
1058 |
|
|
* |
1059 |
|
|
* Dump emulated memory as instructions. |
1060 |
|
|
* |
1061 |
|
|
* syntax: unassemble [addr [endaddr]] |
1062 |
|
|
*/ |
1063 |
|
|
static void debugger_cmd_unassemble(struct machine *m, char *cmd_line) |
1064 |
|
|
{ |
1065 |
|
|
uint64_t addr, addr_start, addr_end; |
1066 |
|
|
struct cpu *c; |
1067 |
|
|
struct memory *mem; |
1068 |
|
|
char *p = NULL; |
1069 |
|
|
int r, lines_left = -1; |
1070 |
|
|
|
1071 |
|
|
if (cmd_line[0] != '\0') { |
1072 |
|
|
uint64_t tmp; |
1073 |
dpavlin |
42 |
char *tmps; |
1074 |
dpavlin |
24 |
|
1075 |
dpavlin |
42 |
CHECK_ALLOCATION(tmps = strdup(cmd_line)); |
1076 |
|
|
|
1077 |
dpavlin |
24 |
/* addr: */ |
1078 |
|
|
p = strchr(tmps, ' '); |
1079 |
|
|
if (p != NULL) |
1080 |
|
|
*p = '\0'; |
1081 |
dpavlin |
32 |
r = debugger_parse_expression(m, tmps, 0, &tmp); |
1082 |
dpavlin |
24 |
free(tmps); |
1083 |
|
|
|
1084 |
dpavlin |
32 |
if (r == PARSE_NOMATCH || r == PARSE_MULTIPLE) { |
1085 |
dpavlin |
24 |
printf("Unparsable address: %s\n", cmd_line); |
1086 |
|
|
return; |
1087 |
|
|
} else { |
1088 |
|
|
last_unasm_addr = tmp; |
1089 |
|
|
} |
1090 |
|
|
|
1091 |
|
|
p = strchr(cmd_line, ' '); |
1092 |
|
|
} |
1093 |
|
|
|
1094 |
dpavlin |
32 |
if (m->cpus == NULL) { |
1095 |
|
|
printf("No cpus (?)\n"); |
1096 |
|
|
return; |
1097 |
|
|
} |
1098 |
|
|
c = m->cpus[m->bootstrap_cpu]; |
1099 |
|
|
if (c == NULL) { |
1100 |
|
|
printf("m->cpus[m->bootstrap_cpu] = NULL\n"); |
1101 |
|
|
return; |
1102 |
|
|
} |
1103 |
|
|
mem = m->cpus[m->bootstrap_cpu]->mem; |
1104 |
|
|
|
1105 |
dpavlin |
24 |
addr_start = last_unasm_addr; |
1106 |
|
|
|
1107 |
dpavlin |
32 |
if (addr_start == MAGIC_UNTOUCHED) |
1108 |
|
|
addr_start = c->pc; |
1109 |
dpavlin |
24 |
|
1110 |
|
|
addr_end = addr_start + 1000; |
1111 |
|
|
|
1112 |
|
|
/* endaddr: */ |
1113 |
|
|
if (p != NULL) { |
1114 |
|
|
while (*p == ' ' && *p) |
1115 |
|
|
p++; |
1116 |
dpavlin |
32 |
r = debugger_parse_expression(m, p, 0, &addr_end); |
1117 |
|
|
if (r == PARSE_NOMATCH || r == PARSE_MULTIPLE) { |
1118 |
dpavlin |
24 |
printf("Unparsable address: %s\n", cmd_line); |
1119 |
|
|
return; |
1120 |
|
|
} |
1121 |
|
|
} else |
1122 |
|
|
lines_left = 20; |
1123 |
|
|
|
1124 |
|
|
addr = addr_start; |
1125 |
|
|
|
1126 |
|
|
ctrl_c = 0; |
1127 |
|
|
|
1128 |
|
|
while (addr < addr_end) { |
1129 |
|
|
unsigned int i, len; |
1130 |
|
|
int failed = 0; |
1131 |
|
|
unsigned char buf[17]; /* TODO: How long can an |
1132 |
|
|
instruction be, on weird archs? */ |
1133 |
|
|
memset(buf, 0, sizeof(buf)); |
1134 |
|
|
|
1135 |
|
|
for (i=0; i<sizeof(buf); i++) { |
1136 |
|
|
if (c->memory_rw(c, mem, addr+i, buf+i, 1, MEM_READ, |
1137 |
|
|
CACHE_NONE | NO_EXCEPTIONS) == MEMORY_ACCESS_FAILED) |
1138 |
|
|
failed ++; |
1139 |
|
|
} |
1140 |
|
|
|
1141 |
|
|
if (failed == sizeof(buf)) { |
1142 |
|
|
printf("(memory access failed)\n"); |
1143 |
|
|
break; |
1144 |
|
|
} |
1145 |
|
|
|
1146 |
|
|
len = cpu_disassemble_instr(m, c, buf, 0, addr); |
1147 |
|
|
|
1148 |
|
|
if (ctrl_c) |
1149 |
|
|
return; |
1150 |
|
|
if (len == 0) |
1151 |
|
|
break; |
1152 |
|
|
|
1153 |
|
|
addr += len; |
1154 |
|
|
|
1155 |
|
|
if (lines_left != -1) { |
1156 |
|
|
lines_left --; |
1157 |
|
|
if (lines_left == 0) |
1158 |
|
|
break; |
1159 |
|
|
} |
1160 |
|
|
} |
1161 |
|
|
|
1162 |
|
|
last_unasm_addr = addr; |
1163 |
|
|
|
1164 |
|
|
strlcpy(repeat_cmd, "unassemble", MAX_CMD_BUFLEN); |
1165 |
|
|
} |
1166 |
|
|
|
1167 |
|
|
|
1168 |
|
|
/* |
1169 |
|
|
* debugger_cmd_version(): |
1170 |
|
|
*/ |
1171 |
|
|
static void debugger_cmd_version(struct machine *m, char *cmd_line) |
1172 |
|
|
{ |
1173 |
|
|
if (*cmd_line) { |
1174 |
|
|
printf("syntax: version\n"); |
1175 |
|
|
return; |
1176 |
|
|
} |
1177 |
|
|
|
1178 |
|
|
printf("%s, %s\n", VERSION, COMPILE_DATE); |
1179 |
|
|
} |
1180 |
|
|
|
1181 |
|
|
|
1182 |
|
|
/****************************************************************************/ |
1183 |
|
|
|
1184 |
|
|
|
1185 |
|
|
struct cmd { |
1186 |
|
|
char *name; |
1187 |
|
|
char *args; |
1188 |
|
|
int tmp_flag; |
1189 |
|
|
void (*f)(struct machine *, char *cmd_line); |
1190 |
|
|
char *description; |
1191 |
|
|
}; |
1192 |
|
|
|
1193 |
|
|
static struct cmd cmds[] = { |
1194 |
|
|
{ "allsettings", "", 0, debugger_cmd_allsettings, |
1195 |
|
|
"show all settings" }, |
1196 |
|
|
|
1197 |
|
|
{ "breakpoint", "...", 0, debugger_cmd_breakpoint, |
1198 |
|
|
"manipulate breakpoints" }, |
1199 |
|
|
|
1200 |
|
|
/* NOTE: Try to keep 'c' down to only one command. Having 'continue' |
1201 |
|
|
available as a one-letter command is very convenient. */ |
1202 |
|
|
|
1203 |
|
|
{ "continue", "", 0, debugger_cmd_continue, |
1204 |
|
|
"continue execution" }, |
1205 |
|
|
|
1206 |
|
|
{ "device", "...", 0, debugger_cmd_device, |
1207 |
|
|
"show info about (or manipulate) devices" }, |
1208 |
|
|
|
1209 |
|
|
{ "dump", "[addr [endaddr]]", 0, debugger_cmd_dump, |
1210 |
|
|
"dump memory contents in hex and ASCII" }, |
1211 |
|
|
|
1212 |
dpavlin |
44 |
{ "emul", "", 0, debugger_cmd_emul, |
1213 |
|
|
"print a summary of the current emulation" }, |
1214 |
dpavlin |
24 |
|
1215 |
dpavlin |
32 |
{ "focus", "x[,y[,z]]", 0, debugger_cmd_focus, |
1216 |
|
|
"changes focus to cpu x, machine x, emul z" }, |
1217 |
dpavlin |
24 |
|
1218 |
|
|
{ "help", "", 0, debugger_cmd_help, |
1219 |
|
|
"print this help message" }, |
1220 |
|
|
|
1221 |
|
|
{ "itrace", "", 0, debugger_cmd_itrace, |
1222 |
|
|
"toggle instruction_trace on or off" }, |
1223 |
|
|
|
1224 |
|
|
{ "lookup", "name|addr", 0, debugger_cmd_lookup, |
1225 |
|
|
"lookup a symbol by name or address" }, |
1226 |
|
|
|
1227 |
|
|
{ "machine", "", 0, debugger_cmd_machine, |
1228 |
|
|
"print a summary of the current machine" }, |
1229 |
|
|
|
1230 |
|
|
{ "ninstrs", "[on|off]", 0, debugger_cmd_ninstrs, |
1231 |
|
|
"toggle (set or unset) show_nr_of_instructions" }, |
1232 |
|
|
|
1233 |
|
|
{ "pause", "cpuid", 0, debugger_cmd_pause, |
1234 |
|
|
"pause (or unpause) a CPU" }, |
1235 |
|
|
|
1236 |
|
|
{ "print", "expr", 0, debugger_cmd_print, |
1237 |
|
|
"evaluate an expression without side-effects" }, |
1238 |
|
|
|
1239 |
|
|
{ "put", "[b|h|w|d|q] addr, data", 0, debugger_cmd_put, |
1240 |
|
|
"modify emulated memory contents" }, |
1241 |
|
|
|
1242 |
|
|
{ "quiet", "[on|off]", 0, debugger_cmd_quiet, |
1243 |
|
|
"toggle quiet_mode on or off" }, |
1244 |
|
|
|
1245 |
|
|
{ "quit", "", 0, debugger_cmd_quit, |
1246 |
|
|
"quit the emulator" }, |
1247 |
|
|
|
1248 |
|
|
/* NOTE: Try to keep 'r' down to only one command. Having 'reg' |
1249 |
|
|
available as a one-letter command is very convenient. */ |
1250 |
|
|
|
1251 |
|
|
{ "reg", "[cpuid][,c]", 0, debugger_cmd_reg, |
1252 |
|
|
"show GPRs (or coprocessor c's registers)" }, |
1253 |
|
|
|
1254 |
|
|
/* NOTE: Try to keep 's' down to only one command. Having 'step' |
1255 |
|
|
available as a one-letter command is very convenient. */ |
1256 |
|
|
|
1257 |
|
|
{ "step", "[n]", 0, debugger_cmd_step, |
1258 |
|
|
"single-step one (or n) instruction(s)" }, |
1259 |
|
|
|
1260 |
|
|
{ "tlbdump", "[cpuid][,r]", 0, debugger_cmd_tlbdump, |
1261 |
|
|
"dump TLB contents (add ',r' for raw data)" }, |
1262 |
|
|
|
1263 |
|
|
{ "trace", "[on|off]", 0, debugger_cmd_trace, |
1264 |
|
|
"toggle show_trace_tree on or off" }, |
1265 |
|
|
|
1266 |
|
|
{ "unassemble", "[addr [endaddr]]", 0, debugger_cmd_unassemble, |
1267 |
|
|
"dump memory contents as instructions" }, |
1268 |
|
|
|
1269 |
|
|
{ "version", "", 0, debugger_cmd_version, |
1270 |
|
|
"print version information" }, |
1271 |
|
|
|
1272 |
|
|
/* Note: NULL handler. */ |
1273 |
|
|
{ "x = expr", "", 0, NULL, "generic assignment" }, |
1274 |
|
|
|
1275 |
|
|
{ NULL, NULL, 0, NULL, NULL } |
1276 |
|
|
}; |
1277 |
|
|
|
1278 |
|
|
|
1279 |
|
|
/* |
1280 |
|
|
* debugger_cmd_help(): |
1281 |
|
|
* |
1282 |
|
|
* Print a list of available commands. |
1283 |
|
|
* |
1284 |
|
|
* NOTE: This is placed after the cmds[] array, because it needs to |
1285 |
|
|
* access it. |
1286 |
|
|
* |
1287 |
|
|
* TODO: Command completion (ie just type "help s" for "help step"). |
1288 |
|
|
*/ |
1289 |
|
|
static void debugger_cmd_help(struct machine *m, char *cmd_line) |
1290 |
|
|
{ |
1291 |
|
|
int only_one = 0, only_one_match = 0; |
1292 |
|
|
char *nlines_env = getenv("LINES"); |
1293 |
|
|
int nlines = atoi(nlines_env != NULL? nlines_env : "999999"), curlines; |
1294 |
|
|
size_t i, j, max_name_len = 0; |
1295 |
|
|
|
1296 |
|
|
if (cmd_line[0] != '\0') { |
1297 |
|
|
only_one = 1; |
1298 |
|
|
} |
1299 |
|
|
|
1300 |
|
|
i = 0; |
1301 |
|
|
while (cmds[i].name != NULL) { |
1302 |
|
|
size_t a = strlen(cmds[i].name); |
1303 |
|
|
if (cmds[i].args != NULL) |
1304 |
|
|
a += 1 + strlen(cmds[i].args); |
1305 |
|
|
if (a > max_name_len) |
1306 |
|
|
max_name_len = a; |
1307 |
|
|
i++; |
1308 |
|
|
} |
1309 |
|
|
|
1310 |
|
|
curlines = 0; |
1311 |
|
|
if (!only_one) { |
1312 |
|
|
printf("Available commands:\n"); |
1313 |
|
|
curlines++; |
1314 |
|
|
} |
1315 |
|
|
|
1316 |
|
|
i = 0; |
1317 |
|
|
while (cmds[i].name != NULL) { |
1318 |
|
|
char buf[100]; |
1319 |
|
|
snprintf(buf, sizeof(buf), "%s", cmds[i].name); |
1320 |
|
|
|
1321 |
|
|
if (only_one) { |
1322 |
|
|
if (strcmp(cmds[i].name, cmd_line) != 0) { |
1323 |
|
|
i++; |
1324 |
|
|
continue; |
1325 |
|
|
} |
1326 |
|
|
only_one_match = 1; |
1327 |
|
|
} |
1328 |
|
|
|
1329 |
|
|
if (cmds[i].args != NULL) |
1330 |
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
1331 |
|
|
" %s", cmds[i].args); |
1332 |
|
|
|
1333 |
|
|
printf(" "); |
1334 |
|
|
for (j=0; j<max_name_len; j++) |
1335 |
|
|
if (j < strlen(buf)) |
1336 |
|
|
printf("%c", buf[j]); |
1337 |
|
|
else |
1338 |
|
|
printf(" "); |
1339 |
|
|
|
1340 |
|
|
printf(" %s\n", cmds[i].description); |
1341 |
|
|
i++; |
1342 |
|
|
|
1343 |
|
|
curlines ++; |
1344 |
|
|
if (curlines >= nlines - 1) { |
1345 |
|
|
char ch; |
1346 |
|
|
printf("-- more --"); fflush(stdout); |
1347 |
|
|
ch = debugger_readchar(); |
1348 |
|
|
printf("\n"); |
1349 |
|
|
if (ch == 'q' || ch == 'Q') |
1350 |
|
|
return; |
1351 |
|
|
curlines = 0; |
1352 |
|
|
} |
1353 |
|
|
} |
1354 |
|
|
|
1355 |
|
|
if (only_one) { |
1356 |
|
|
if (!only_one_match) |
1357 |
|
|
printf("%s: no such command\n", cmd_line); |
1358 |
|
|
return; |
1359 |
|
|
} |
1360 |
|
|
|
1361 |
|
|
/* TODO: generalize/refactor */ |
1362 |
|
|
curlines += 8; |
1363 |
|
|
if (curlines > nlines - 1) { |
1364 |
|
|
char ch; |
1365 |
|
|
printf("-- more --"); fflush(stdout); |
1366 |
|
|
ch = debugger_readchar(); |
1367 |
|
|
printf("\n"); |
1368 |
|
|
if (ch == 'q' || ch == 'Q') |
1369 |
|
|
return; |
1370 |
|
|
curlines = 0; |
1371 |
|
|
} |
1372 |
|
|
|
1373 |
dpavlin |
32 |
printf("\nIn generic assignments, x must be a register or other " |
1374 |
|
|
"writable settings\nvariable, and expr can contain registers/" |
1375 |
|
|
"settings, numeric values, or symbol\nnames, in combination with" |
1376 |
dpavlin |
34 |
" parenthesis and + - * / & %% ^ | operators.\nIn case there are" |
1377 |
dpavlin |
32 |
" multiple matches (i.e. a symbol that has the same name as a\n" |
1378 |
|
|
"register), you may add a prefix character as a hint: '#' for" |
1379 |
|
|
" registers, '@'\nfor symbols, and '$' for numeric values. Use" |
1380 |
|
|
" 0x for hexadecimal values.\n"); |
1381 |
dpavlin |
24 |
} |
1382 |
|
|
|