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dd3b648e RP |
1 | /* Memory-access and commands for remote VxWorks processes, for GDB. |
2 | Copyright (C) 1990-1991 Free Software Foundation, Inc. | |
3 | Contributed by Wind River Systems and Cygnus Support. | |
4 | ||
5 | This file is part of GDB. | |
6 | ||
99a7de40 | 7 | This program is free software; you can redistribute it and/or modify |
dd3b648e | 8 | it under the terms of the GNU General Public License as published by |
99a7de40 JG |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. | |
dd3b648e | 11 | |
99a7de40 | 12 | This program is distributed in the hope that it will be useful, |
dd3b648e RP |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
99a7de40 JG |
18 | along with this program; if not, write to the Free Software |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
dd3b648e RP |
20 | |
21 | #include "defs.h" | |
22 | #include "param.h" | |
23 | #include "frame.h" | |
24 | #include "inferior.h" | |
25 | #include "wait.h" | |
26 | #include "target.h" | |
27 | #include "gdbcore.h" | |
28 | #include "command.h" | |
29 | #include "symtab.h" | |
30 | #include "symfile.h" /* for struct complaint */ | |
31 | ||
32 | #include <stdio.h> | |
33 | #include <string.h> | |
34 | #include <errno.h> | |
35 | #include <signal.h> | |
36 | #include <fcntl.h> | |
37 | #include <sys/types.h> | |
38 | #include <sys/time.h> | |
39 | #include <sys/socket.h> | |
40 | #define free bogon_free /* Sun claims "int free()" not void */ | |
41 | #include <rpc/rpc.h> | |
42 | #undef free | |
43 | #include <sys/time.h> /* UTek's <rpc/rpc.h> doesn't #incl this */ | |
44 | #include <netdb.h> | |
45 | #include <ptrace.h> | |
46 | #include "xdr_ptrace.h" | |
47 | #include "xdr_ld.h" | |
48 | #include "xdr_rdb.h" | |
49 | #include "dbgRpcLib.h" | |
50 | ||
51 | /* get rid of value.h if possible */ | |
52 | #include <value.h> | |
53 | #include <symtab.h> | |
54 | ||
55 | extern value call_function_by_hand (); | |
56 | extern void symbol_file_command (); | |
dd3b648e RP |
57 | extern int stop_soon_quietly; /* for wait_for_inferior */ |
58 | ||
59 | static int net_ptrace_clnt_call (); /* Forward decl */ | |
60 | static enum clnt_stat net_clnt_call (); /* Forward decl */ | |
61 | extern struct target_ops vx_ops, vx_run_ops; /* Forward declaration */ | |
62 | ||
63 | /* Saved name of target host and called function for "info files". | |
64 | Both malloc'd. */ | |
65 | ||
66 | static char *vx_host; | |
67 | static char *vx_running; /* Called function */ | |
68 | ||
69 | /* Nonzero means target that is being debugged remotely has a floating | |
70 | point processor. */ | |
71 | ||
72 | static int target_has_fp; | |
73 | ||
74 | /* Default error message when the network is forking up. */ | |
75 | ||
76 | static const char rpcerr[] = "network target debugging: rpc error"; | |
77 | ||
78 | CLIENT *pClient; /* client used in net debugging */ | |
79 | static int ptraceSock = RPC_ANYSOCK; | |
80 | ||
81 | enum clnt_stat net_clnt_call(); | |
82 | static void parse_args (); | |
83 | ||
84 | static struct timeval rpcTimeout = { 10, 0 }; | |
85 | ||
86 | static char *skip_white_space (); | |
87 | static char *find_white_space (); | |
88 | ||
89 | /* Tell the VxWorks target system to download a file. | |
90 | The load addresses of the text, data, and bss segments are | |
91 | stored in pTextAddr, pDataAddr, and *pBssAddr (respectively). | |
92 | Returns 0 for success, -1 for failure. */ | |
93 | ||
94 | static int | |
95 | net_load (filename, pTextAddr, pDataAddr, pBssAddr) | |
96 | char *filename; | |
97 | CORE_ADDR *pTextAddr; | |
98 | CORE_ADDR *pDataAddr; | |
99 | CORE_ADDR *pBssAddr; | |
100 | { | |
101 | enum clnt_stat status; | |
102 | struct ldfile ldstruct; | |
103 | struct timeval load_timeout; | |
104 | ||
105 | bzero ((char *) &ldstruct, sizeof (ldstruct)); | |
106 | ||
107 | /* We invoke clnt_call () here directly, instead of through | |
108 | net_clnt_call (), because we need to set a large timeout value. | |
109 | The load on the target side can take quite a while, easily | |
110 | more than 10 seconds. The user can kill this call by typing | |
111 | CTRL-C if there really is a problem with the load. | |
112 | ||
113 | Do not change the tv_sec value without checking -- select() imposes | |
114 | a limit of 10**8 on it for no good reason that I can see... */ | |
115 | ||
116 | load_timeout.tv_sec = 99999999; /* A large number, effectively inf. */ | |
117 | load_timeout.tv_usec = 0; | |
118 | ||
119 | status = clnt_call (pClient, VX_LOAD, xdr_wrapstring, &filename, xdr_ldfile, | |
120 | &ldstruct, load_timeout); | |
121 | ||
122 | if (status == RPC_SUCCESS) | |
123 | { | |
124 | if (*ldstruct.name == NULL) /* load failed on VxWorks side */ | |
125 | return -1; | |
126 | *pTextAddr = ldstruct.txt_addr; | |
127 | *pDataAddr = ldstruct.data_addr; | |
128 | *pBssAddr = ldstruct.bss_addr; | |
129 | return 0; | |
130 | } | |
131 | else | |
132 | return -1; | |
133 | } | |
134 | ||
135 | /* returns 0 if successful, errno if RPC failed or VxWorks complains. */ | |
136 | ||
137 | static int | |
138 | net_break (addr, procnum) | |
139 | int addr; | |
140 | u_long procnum; | |
141 | { | |
142 | enum clnt_stat status; | |
143 | int break_status; | |
144 | Rptrace ptrace_in; /* XXX This is stupid. It doesn't need to be a ptrace | |
145 | structure. How about something smaller? */ | |
146 | ||
147 | bzero ((char *) &ptrace_in, sizeof (ptrace_in)); | |
148 | break_status = 0; | |
149 | ||
150 | ptrace_in.addr = addr; | |
151 | ptrace_in.pid = inferior_pid; | |
152 | ||
153 | status = net_clnt_call (procnum, xdr_rptrace, &ptrace_in, xdr_int, | |
154 | &break_status); | |
155 | ||
156 | if (status != RPC_SUCCESS) | |
157 | return errno; | |
158 | ||
159 | if (break_status == -1) | |
160 | return ENOMEM; | |
161 | return break_status; /* probably (FIXME) zero */ | |
162 | } | |
163 | ||
164 | /* returns 0 if successful, errno otherwise */ | |
165 | ||
166 | int | |
167 | vx_insert_breakpoint (addr) | |
168 | int addr; | |
169 | { | |
170 | return net_break (addr, VX_BREAK_ADD); | |
171 | } | |
172 | ||
173 | /* returns 0 if successful, errno otherwise */ | |
174 | ||
175 | int | |
176 | vx_remove_breakpoint (addr) | |
177 | int addr; | |
178 | { | |
179 | return net_break (addr, VX_BREAK_DELETE); | |
180 | } | |
181 | ||
182 | /* Call a function on the VxWorks target system. | |
183 | ARGS is a vector of values of arguments (NARGS of them). | |
184 | FUNCTION is a value, the function to be called. | |
185 | Returns a struct value * representing what the function returned. | |
186 | May fail to return, if a breakpoint or signal is hit | |
187 | during the execution of the function. */ | |
188 | ||
189 | #ifdef FIXME | |
190 | /* FIXME, function calls are really fried. GO back to manual method. */ | |
191 | value | |
192 | vx_call_function (function, nargs, args) | |
193 | value function; | |
194 | int nargs; | |
195 | value *args; | |
196 | { | |
197 | register CORE_ADDR sp; | |
198 | register int i; | |
199 | CORE_ADDR start_sp; | |
200 | static REGISTER_TYPE dummy[] = CALL_DUMMY; | |
201 | REGISTER_TYPE dummy1[sizeof dummy / sizeof (REGISTER_TYPE)]; | |
202 | CORE_ADDR old_sp; | |
203 | struct type *value_type; | |
204 | unsigned char struct_return; | |
205 | CORE_ADDR struct_addr; | |
206 | struct inferior_status inf_status; | |
207 | struct cleanup *old_chain; | |
208 | CORE_ADDR funaddr; | |
209 | int using_gcc; | |
210 | ||
211 | save_inferior_status (&inf_status, 1); | |
212 | old_chain = make_cleanup (restore_inferior_status, &inf_status); | |
213 | ||
214 | /* PUSH_DUMMY_FRAME is responsible for saving the inferior registers | |
215 | (and POP_FRAME for restoring them). (At least on most machines) | |
216 | they are saved on the stack in the inferior. */ | |
217 | PUSH_DUMMY_FRAME; | |
218 | ||
219 | old_sp = sp = read_register (SP_REGNUM); | |
220 | ||
221 | #if 1 INNER_THAN 2 /* Stack grows down */ | |
222 | sp -= sizeof dummy; | |
223 | start_sp = sp; | |
224 | #else /* Stack grows up */ | |
225 | start_sp = sp; | |
226 | sp += sizeof dummy; | |
227 | #endif | |
228 | ||
229 | funaddr = find_function_addr (function, &value_type); | |
230 | ||
231 | { | |
232 | struct block *b = block_for_pc (funaddr); | |
233 | /* If compiled without -g, assume GCC. */ | |
234 | using_gcc = b == NULL || BLOCK_GCC_COMPILED (b); | |
235 | } | |
236 | ||
237 | /* Are we returning a value using a structure return or a normal | |
238 | value return? */ | |
239 | ||
240 | struct_return = using_struct_return (function, funaddr, value_type, | |
241 | using_gcc); | |
242 | ||
243 | /* Create a call sequence customized for this function | |
244 | and the number of arguments for it. */ | |
245 | bcopy (dummy, dummy1, sizeof dummy); | |
246 | FIX_CALL_DUMMY (dummy1, start_sp, funaddr, nargs, args, | |
247 | value_type, using_gcc); | |
248 | ||
249 | #if CALL_DUMMY_LOCATION == ON_STACK | |
250 | write_memory (start_sp, dummy1, sizeof dummy); | |
251 | ||
252 | #else /* Not on stack. */ | |
253 | #if CALL_DUMMY_LOCATION == BEFORE_TEXT_END | |
254 | /* Convex Unix prohibits executing in the stack segment. */ | |
255 | /* Hope there is empty room at the top of the text segment. */ | |
256 | { | |
257 | static checked = 0; | |
258 | if (!checked) | |
259 | for (start_sp = text_end - sizeof dummy; start_sp < text_end; ++start_sp) | |
260 | if (read_memory_integer (start_sp, 1) != 0) | |
261 | error ("text segment full -- no place to put call"); | |
262 | checked = 1; | |
263 | sp = old_sp; | |
264 | start_sp = text_end - sizeof dummy; | |
265 | write_memory (start_sp, dummy1, sizeof dummy); | |
266 | } | |
267 | #else /* After text_end. */ | |
268 | { | |
269 | int errcode; | |
270 | sp = old_sp; | |
271 | start_sp = text_end; | |
272 | errcode = target_write_memory (start_sp, dummy1, sizeof dummy); | |
273 | if (errcode != 0) | |
274 | error ("Cannot write text segment -- call_function failed"); | |
275 | } | |
276 | #endif /* After text_end. */ | |
277 | #endif /* Not on stack. */ | |
278 | ||
279 | #ifdef STACK_ALIGN | |
280 | /* If stack grows down, we must leave a hole at the top. */ | |
281 | { | |
282 | int len = 0; | |
283 | ||
284 | /* Reserve space for the return structure to be written on the | |
285 | stack, if necessary */ | |
286 | ||
287 | if (struct_return) | |
288 | len += TYPE_LENGTH (value_type); | |
289 | ||
290 | for (i = nargs - 1; i >= 0; i--) | |
291 | len += TYPE_LENGTH (VALUE_TYPE (value_arg_coerce (args[i]))); | |
292 | #ifdef CALL_DUMMY_STACK_ADJUST | |
293 | len += CALL_DUMMY_STACK_ADJUST; | |
294 | #endif | |
295 | #if 1 INNER_THAN 2 | |
296 | sp -= STACK_ALIGN (len) - len; | |
297 | #else | |
298 | sp += STACK_ALIGN (len) - len; | |
299 | #endif | |
300 | } | |
301 | #endif /* STACK_ALIGN */ | |
302 | ||
303 | /* Reserve space for the return structure to be written on the | |
304 | stack, if necessary */ | |
305 | ||
306 | if (struct_return) | |
307 | { | |
308 | #if 1 INNER_THAN 2 | |
309 | sp -= TYPE_LENGTH (value_type); | |
310 | struct_addr = sp; | |
311 | #else | |
312 | struct_addr = sp; | |
313 | sp += TYPE_LENGTH (value_type); | |
314 | #endif | |
315 | } | |
316 | ||
317 | #if defined (REG_STRUCT_HAS_ADDR) | |
318 | { | |
319 | /* This is a machine like the sparc, where we need to pass a pointer | |
320 | to the structure, not the structure itself. */ | |
321 | if (REG_STRUCT_HAS_ADDR (using_gcc)) | |
322 | for (i = nargs - 1; i >= 0; i--) | |
323 | if (TYPE_CODE (VALUE_TYPE (args[i])) == TYPE_CODE_STRUCT) | |
324 | { | |
325 | CORE_ADDR addr; | |
326 | #if !(1 INNER_THAN 2) | |
327 | /* The stack grows up, so the address of the thing we push | |
328 | is the stack pointer before we push it. */ | |
329 | addr = sp; | |
330 | #endif | |
331 | /* Push the structure. */ | |
332 | sp = value_push (sp, args[i]); | |
333 | #if 1 INNER_THAN 2 | |
334 | /* The stack grows down, so the address of the thing we push | |
335 | is the stack pointer after we push it. */ | |
336 | addr = sp; | |
337 | #endif | |
338 | /* The value we're going to pass is the address of the thing | |
339 | we just pushed. */ | |
340 | args[i] = value_from_long (builtin_type_long, (LONGEST) addr); | |
341 | } | |
342 | } | |
343 | #endif /* REG_STRUCT_HAS_ADDR. */ | |
344 | ||
345 | #ifdef PUSH_ARGUMENTS | |
346 | PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr); | |
347 | #else /* !PUSH_ARGUMENTS */ | |
348 | for (i = nargs - 1; i >= 0; i--) | |
349 | sp = value_arg_push (sp, args[i]); | |
350 | #endif /* !PUSH_ARGUMENTS */ | |
351 | ||
352 | #ifdef CALL_DUMMY_STACK_ADJUST | |
353 | #if 1 INNER_THAN 2 | |
354 | sp -= CALL_DUMMY_STACK_ADJUST; | |
355 | #else | |
356 | sp += CALL_DUMMY_STACK_ADJUST; | |
357 | #endif | |
358 | #endif /* CALL_DUMMY_STACK_ADJUST */ | |
359 | ||
360 | /* Store the address at which the structure is supposed to be | |
361 | written. Note that this (and the code which reserved the space | |
362 | above) assumes that gcc was used to compile this function. Since | |
363 | it doesn't cost us anything but space and if the function is pcc | |
364 | it will ignore this value, we will make that assumption. | |
365 | ||
366 | Also note that on some machines (like the sparc) pcc uses a | |
367 | convention like gcc's. */ | |
368 | ||
369 | if (struct_return) | |
370 | STORE_STRUCT_RETURN (struct_addr, sp); | |
371 | ||
372 | /* Write the stack pointer. This is here because the statements above | |
373 | might fool with it. On SPARC, this write also stores the register | |
374 | window into the right place in the new stack frame, which otherwise | |
375 | wouldn't happen. (See write_inferior_registers in sparc-xdep.c.) */ | |
376 | write_register (SP_REGNUM, sp); | |
377 | ||
378 | /* Figure out the value returned by the function. */ | |
379 | { | |
380 | char retbuf[REGISTER_BYTES]; | |
381 | ||
382 | /* Execute the stack dummy routine, calling FUNCTION. | |
383 | When it is done, discard the empty frame | |
384 | after storing the contents of all regs into retbuf. */ | |
385 | run_stack_dummy (start_sp + CALL_DUMMY_START_OFFSET, retbuf); | |
386 | ||
387 | do_cleanups (old_chain); | |
388 | ||
389 | return value_being_returned (value_type, retbuf, struct_return); | |
390 | } | |
391 | } | |
392 | /* should return a value of some sort */ | |
393 | ||
394 | value | |
395 | vx_call_function (funcAddr, nargs, args, valueType) | |
396 | char *funcAddr; | |
397 | int nargs; | |
398 | value *args; | |
399 | struct type * valueType; | |
400 | { | |
401 | int i; | |
402 | func_call funcInfo; | |
403 | arg_value *argValue; | |
404 | enum clnt_stat status; | |
405 | register int len; | |
406 | arg_value funcReturn; | |
407 | value gdbValue; | |
408 | ||
409 | argValue = (arg_value *) xmalloc (nargs * sizeof (arg_value)); | |
410 | ||
411 | bzero (argValue, nargs * sizeof (arg_value)); | |
412 | bzero (&funcReturn, sizeof (funcReturn)); | |
413 | ||
414 | for (i = nargs - 1; i >= 0; i--) | |
415 | { | |
416 | len = TYPE_LENGTH (VALUE_TYPE (args [i])); | |
417 | ||
418 | switch (TYPE_CODE (VALUE_TYPE (args[i]))) | |
419 | { | |
420 | /* XXX put other types here. Where's CHAR, etc??? */ | |
421 | ||
422 | case TYPE_CODE_FLT: | |
423 | argValue[i].type = T_FLOAT; | |
424 | break; | |
425 | case TYPE_CODE_INT: | |
426 | case TYPE_CODE_PTR: | |
427 | case TYPE_CODE_ENUM: | |
428 | case TYPE_CODE_FUNC: | |
429 | argValue[i].type = T_INT; | |
430 | break; | |
431 | ||
432 | case TYPE_CODE_UNDEF: | |
433 | case TYPE_CODE_ARRAY: | |
434 | case TYPE_CODE_STRUCT: | |
435 | case TYPE_CODE_UNION: | |
436 | case TYPE_CODE_VOID: | |
437 | case TYPE_CODE_SET: | |
438 | case TYPE_CODE_RANGE: | |
439 | case TYPE_CODE_PASCAL_ARRAY: | |
440 | case TYPE_CODE_MEMBER: /* C++ */ | |
441 | case TYPE_CODE_METHOD: /* C++ */ | |
442 | case TYPE_CODE_REF: /* C++ */ | |
443 | default: | |
444 | error ("No corresponding VxWorks type for %d. CHECK IT OUT!!!\n", | |
445 | TYPE_CODE(VALUE_TYPE(args[i]))); | |
446 | } /* switch */ | |
447 | if (TYPE_CODE(VALUE_TYPE(args[i])) == TYPE_CODE_FUNC) | |
448 | argValue[i].arg_value_u.v_int = VALUE_ADDRESS(args[i]); | |
449 | else | |
450 | bcopy (VALUE_CONTENTS (args[i]), (char *) &argValue[i].arg_value_u, | |
451 | len); | |
452 | } | |
453 | ||
454 | /* XXX what should the type of this function addr be? | |
455 | * XXX Both in gdb and vxWorks | |
456 | */ | |
457 | funcInfo.func_addr = (int) funcAddr; | |
458 | funcInfo.args.args_len = nargs; | |
459 | funcInfo.args.args_val = argValue; | |
460 | ||
461 | status = net_clnt_call (VX_CALL_FUNC, xdr_func_call, (char *) &funcInfo, | |
462 | xdr_arg_value, &funcReturn); | |
463 | ||
464 | free ((char *) argValue); | |
465 | ||
466 | if (status == RPC_SUCCESS) | |
467 | { | |
468 | /* XXX this assumes that vxWorks ALWAYS returns an int, and that | |
469 | * XXX gdb isn't expecting anything more | |
470 | */ | |
471 | ||
472 | /******************* | |
473 | if (funcReturn.type == T_UNKNOWN) | |
474 | return YYYXXX...; | |
475 | *******************/ | |
476 | gdbValue = allocate_value (valueType); | |
477 | bcopy (&funcReturn.arg_value_u.v_int, VALUE_CONTENTS (gdbValue), | |
478 | sizeof (int)); | |
479 | return gdbValue; | |
480 | } | |
481 | else | |
482 | error (rpcerr); | |
483 | } | |
484 | #endif /* FIXME */ | |
485 | ||
486 | /* Start an inferior process and sets inferior_pid to its pid. | |
487 | EXEC_FILE is the file to run. | |
488 | ALLARGS is a string containing the arguments to the program. | |
489 | ENV is the environment vector to pass. | |
490 | Returns process id. Errors reported with error(). | |
491 | On VxWorks, we ignore exec_file. */ | |
492 | ||
493 | void | |
494 | vx_create_inferior (exec_file, args, env) | |
495 | char *exec_file; | |
496 | char *args; | |
497 | char **env; | |
498 | { | |
499 | enum clnt_stat status; | |
500 | arg_array passArgs; | |
501 | TASK_START taskStart; | |
502 | ||
503 | bzero ((char *) &passArgs, sizeof (passArgs)); | |
504 | bzero ((char *) &taskStart, sizeof (taskStart)); | |
505 | ||
506 | /* parse arguments, put them in passArgs */ | |
507 | ||
508 | parse_args (args, &passArgs); | |
509 | ||
510 | if (passArgs.arg_array_len == 0) | |
511 | error ("You must specify a function name to run, and arguments if any"); | |
512 | ||
513 | status = net_clnt_call (PROCESS_START, xdr_arg_array, &passArgs, | |
514 | xdr_TASK_START, &taskStart); | |
515 | ||
516 | if ((status != RPC_SUCCESS) || (taskStart.status == -1)) | |
517 | error ("Can't create process on remote target machine"); | |
518 | ||
519 | /* Save the name of the running function */ | |
520 | vx_running = savestring (passArgs.arg_array_val[0], | |
521 | strlen (passArgs.arg_array_val[0])); | |
522 | ||
523 | #ifdef CREATE_INFERIOR_HOOK | |
524 | CREATE_INFERIOR_HOOK (pid); | |
525 | #endif | |
526 | ||
527 | push_target (&vx_run_ops); | |
528 | inferior_pid = taskStart.pid; | |
529 | ||
530 | #if defined (START_INFERIOR_HOOK) | |
531 | START_INFERIOR_HOOK (); | |
532 | #endif | |
533 | ||
534 | /* We will get a trace trap after one instruction. | |
535 | Insert breakpoints and continue. */ | |
536 | ||
537 | init_wait_for_inferior (); | |
538 | ||
539 | /* Set up the "saved terminal modes" of the inferior | |
540 | based on what modes we are starting it with. */ | |
541 | target_terminal_init (); | |
542 | ||
543 | /* Install inferior's terminal modes. */ | |
544 | target_terminal_inferior (); | |
545 | ||
546 | /* remote_start(args); */ | |
547 | /* trap_expected = 0; */ | |
548 | stop_soon_quietly = 1; | |
549 | wait_for_inferior (); /* Get the task spawn event */ | |
550 | stop_soon_quietly = 0; | |
551 | ||
552 | /* insert_step_breakpoint (); FIXME, do we need this? */ | |
553 | proceed(-1, -1, 0); | |
554 | } | |
555 | ||
556 | /* Fill ARGSTRUCT in argc/argv form with the arguments from the | |
557 | argument string ARGSTRING. */ | |
558 | ||
559 | static void | |
560 | parse_args (arg_string, arg_struct) | |
561 | register char *arg_string; | |
562 | arg_array *arg_struct; | |
563 | { | |
564 | register int arg_count = 0; /* number of arguments */ | |
565 | register int arg_index = 0; | |
566 | register char *p0; | |
567 | ||
568 | bzero ((char *) arg_struct, sizeof (arg_array)); | |
569 | ||
570 | /* first count how many arguments there are */ | |
571 | ||
572 | p0 = arg_string; | |
573 | while (*p0 != '\0') | |
574 | { | |
575 | if (*(p0 = skip_white_space (p0)) == '\0') | |
576 | break; | |
577 | p0 = find_white_space (p0); | |
578 | arg_count++; | |
579 | } | |
580 | ||
581 | arg_struct->arg_array_len = arg_count; | |
582 | arg_struct->arg_array_val = (char **) xmalloc ((arg_count + 1) | |
583 | * sizeof (char *)); | |
584 | ||
585 | /* now copy argument strings into arg_struct. */ | |
586 | ||
587 | while (*(arg_string = skip_white_space (arg_string))) | |
588 | { | |
589 | p0 = find_white_space (arg_string); | |
590 | arg_struct->arg_array_val[arg_index++] = savestring (arg_string, | |
591 | p0 - arg_string); | |
592 | arg_string = p0; | |
593 | } | |
594 | ||
595 | arg_struct->arg_array_val[arg_count] = NULL; | |
596 | } | |
597 | ||
598 | /* Advance a string pointer across whitespace and return a pointer | |
599 | to the first non-white character. */ | |
600 | ||
601 | static char * | |
602 | skip_white_space (p) | |
603 | register char *p; | |
604 | { | |
605 | while (*p == ' ' || *p == '\t') | |
606 | p++; | |
607 | return p; | |
608 | } | |
609 | ||
610 | /* Search for the first unquoted whitespace character in a string. | |
611 | Returns a pointer to the character, or to the null terminator | |
612 | if no whitespace is found. */ | |
613 | ||
614 | static char * | |
615 | find_white_space (p) | |
616 | register char *p; | |
617 | { | |
618 | register int c; | |
619 | ||
620 | while ((c = *p) != ' ' && c != '\t' && c) | |
621 | { | |
622 | if (c == '\'' || c == '"') | |
623 | { | |
624 | while (*++p != c && *p) | |
625 | { | |
626 | if (*p == '\\') | |
627 | p++; | |
628 | } | |
629 | if (!*p) | |
630 | break; | |
631 | } | |
632 | p++; | |
633 | } | |
634 | return p; | |
635 | } | |
636 | ||
637 | /* Poll the VxWorks target system for an event related | |
638 | to the debugged task. | |
639 | Returns -1 if remote wait failed, task status otherwise. */ | |
640 | ||
641 | int | |
642 | net_wait (pEvent) | |
643 | RDB_EVENT *pEvent; | |
644 | { | |
645 | int pid; | |
646 | enum clnt_stat status; | |
647 | ||
648 | bzero ((char *) pEvent, sizeof (RDB_EVENT)); | |
649 | ||
650 | pid = inferior_pid; | |
651 | status = net_clnt_call (PROCESS_WAIT, xdr_int, &pid, xdr_RDB_EVENT, pEvent); | |
652 | ||
653 | return (status == RPC_SUCCESS)? pEvent->status: -1; | |
654 | } | |
655 | ||
656 | /* Suspend the remote task. | |
657 | Returns -1 if suspend fails on target system, 0 otherwise. */ | |
658 | ||
659 | int | |
660 | net_quit () | |
661 | { | |
662 | int pid; | |
663 | int quit_status; | |
664 | enum clnt_stat status; | |
665 | ||
666 | quit_status = 0; | |
667 | ||
668 | /* don't let rdbTask suspend itself by passing a pid of 0 */ | |
669 | ||
670 | if ((pid = inferior_pid) == 0) | |
671 | return -1; | |
672 | ||
673 | status = net_clnt_call (VX_TASK_SUSPEND, xdr_int, &pid, xdr_int, | |
674 | &quit_status); | |
675 | ||
676 | return (status == RPC_SUCCESS)? quit_status: -1; | |
677 | } | |
678 | ||
679 | /* Read a register or registers from the remote system. */ | |
680 | ||
681 | int | |
682 | vx_read_register (regno) | |
683 | int regno; | |
684 | { | |
685 | int status; | |
686 | Rptrace ptrace_in; | |
687 | Ptrace_return ptrace_out; | |
688 | struct regs inferior_registers; | |
689 | struct fp_status inferior_fp_registers; | |
690 | extern char registers[]; | |
691 | ||
692 | bzero ((char *) &ptrace_in, sizeof (ptrace_in)); | |
693 | bzero ((char *) &ptrace_out, sizeof (ptrace_out)); | |
694 | ||
695 | /* FIXME, eventually only get the ones we need. */ | |
696 | registers_fetched (); | |
697 | ||
698 | ptrace_in.pid = inferior_pid; | |
699 | ptrace_out.info.more_data = (caddr_t) &inferior_registers; | |
700 | status = net_ptrace_clnt_call (PTRACE_GETREGS, &ptrace_in, &ptrace_out); | |
701 | if (status) | |
702 | error (rpcerr); | |
703 | if (ptrace_out.status == -1) | |
704 | { | |
705 | errno = ptrace_out.errno; | |
706 | return -1; | |
707 | } | |
708 | ||
709 | #ifdef I80960 | |
710 | ||
711 | bcopy ((char *) inferior_registers.r_lreg, | |
712 | ®isters[REGISTER_BYTE (R0_REGNUM)], 16 * sizeof (int)); | |
713 | bcopy ((char *) inferior_registers.r_greg, | |
714 | ®isters[REGISTER_BYTE (G0_REGNUM)], 16 * sizeof (int)); | |
715 | ||
716 | /* Don't assume that a location in registers[] is properly aligned. */ | |
717 | ||
718 | bcopy ((char *) &inferior_registers.r_pcw, | |
719 | ®isters[REGISTER_BYTE (PCW_REGNUM)], sizeof (int)); | |
720 | bcopy ((char *) &inferior_registers.r_acw, | |
721 | ®isters[REGISTER_BYTE (ACW_REGNUM)], sizeof (int)); | |
722 | bcopy ((char *) &inferior_registers.r_lreg[2], /* r2 (RIP) -> IP */ | |
723 | ®isters[REGISTER_BYTE (IP_REGNUM)], sizeof (int)); | |
724 | bcopy ((char *) &inferior_registers.r_tcw, | |
725 | ®isters[REGISTER_BYTE (TCW_REGNUM)], sizeof (int)); | |
726 | ||
727 | /* If the target has floating point registers, fetch them. | |
728 | Otherwise, zero the floating point register values in | |
729 | registers[] for good measure, even though we might not | |
730 | need to. */ | |
731 | ||
732 | if (target_has_fp) | |
733 | { | |
734 | ptrace_in.pid = inferior_pid; | |
735 | ptrace_out.info.more_data = (caddr_t) &inferior_fp_registers; | |
736 | status = net_ptrace_clnt_call (PTRACE_GETFPREGS, &ptrace_in, &ptrace_out); | |
737 | if (status) | |
738 | error (rpcerr); | |
739 | if (ptrace_out.status == -1) | |
740 | { | |
741 | errno = ptrace_out.errno; | |
742 | return -1; | |
743 | } | |
744 | ||
745 | bcopy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)], | |
746 | REGISTER_RAW_SIZE (FP0_REGNUM) * 4); | |
747 | } | |
748 | else | |
749 | { | |
750 | bzero ((char *) ®isters[REGISTER_BYTE (FP0_REGNUM)], | |
751 | REGISTER_RAW_SIZE (FP0_REGNUM) * 4); | |
752 | } | |
753 | ||
754 | #else /* not 960, thus must be 68000: FIXME! */ | |
755 | ||
756 | bcopy (&inferior_registers, registers, 16 * 4); | |
757 | *(int *)®isters[REGISTER_BYTE (PS_REGNUM)] = inferior_registers.r_ps; | |
758 | *(int *)®isters[REGISTER_BYTE (PC_REGNUM)] = inferior_registers.r_pc; | |
759 | ||
760 | if (target_has_fp) | |
761 | { | |
762 | ptrace_in.pid = inferior_pid; | |
763 | ptrace_out.info.more_data = (caddr_t) &inferior_fp_registers; | |
764 | status = net_ptrace_clnt_call (PTRACE_GETFPREGS, &ptrace_in, &ptrace_out); | |
765 | if (status) | |
766 | error (rpcerr); | |
767 | if (ptrace_out.status == -1) | |
768 | { | |
769 | errno = ptrace_out.errno; | |
770 | return -1; | |
771 | } | |
772 | ||
773 | bcopy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)], | |
774 | sizeof inferior_fp_registers.fps_regs); | |
775 | bcopy (&inferior_fp_registers.fps_control, | |
776 | ®isters[REGISTER_BYTE (FPC_REGNUM)], | |
777 | sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs); | |
778 | } | |
779 | else | |
780 | { | |
781 | bzero (®isters[REGISTER_BYTE (FP0_REGNUM)], | |
782 | sizeof inferior_fp_registers.fps_regs); | |
783 | bzero (®isters[REGISTER_BYTE (FPC_REGNUM)], | |
784 | sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs); | |
785 | } | |
786 | #endif /* various architectures */ | |
787 | ||
788 | return 0; | |
789 | } | |
790 | ||
791 | /* Prepare to store registers. Since we will store all of them, | |
792 | read out their current values now. */ | |
793 | ||
794 | void | |
795 | vx_prepare_to_store () | |
796 | { | |
797 | vx_read_register (-1); | |
798 | } | |
799 | ||
800 | ||
801 | /* Store our register values back into the inferior. | |
802 | If REGNO is -1, do this for all registers. | |
803 | Otherwise, REGNO specifies which register (so we can save time). */ | |
804 | /* FIXME, look at REGNO to save time here */ | |
805 | ||
806 | vx_write_register (regno) | |
807 | int regno; | |
808 | { | |
809 | struct regs inferior_registers; | |
810 | struct fp_status inferior_fp_registers; | |
811 | extern char registers[]; | |
812 | int status; | |
813 | Rptrace ptrace_in; | |
814 | Ptrace_return ptrace_out; | |
815 | ||
816 | bzero ((char *) &ptrace_in, sizeof (ptrace_in)); | |
817 | bzero ((char *) &ptrace_out, sizeof (ptrace_out)); | |
818 | ||
819 | #ifdef I80960 | |
820 | ||
821 | bcopy (®isters[REGISTER_BYTE (R0_REGNUM)], | |
822 | (char *) inferior_registers.r_lreg, 16 * sizeof (int)); | |
823 | bcopy (®isters[REGISTER_BYTE (G0_REGNUM)], | |
824 | (char *) inferior_registers.r_greg, 16 * sizeof (int)); | |
825 | ||
826 | /* Don't assume that a location in registers[] is properly aligned. */ | |
827 | ||
828 | bcopy (®isters[REGISTER_BYTE (PCW_REGNUM)], | |
829 | (char *) &inferior_registers.r_pcw, sizeof (int)); | |
830 | bcopy (®isters[REGISTER_BYTE (ACW_REGNUM)], | |
831 | (char *) &inferior_registers.r_acw, sizeof (int)); | |
832 | bcopy (®isters[REGISTER_BYTE (TCW_REGNUM)], | |
833 | (char *) &inferior_registers.r_tcw, sizeof (int)); | |
834 | ||
835 | #else /* not 960 -- assume 68k -- FIXME */ | |
836 | ||
837 | bcopy (registers, &inferior_registers, 16 * 4); | |
838 | inferior_registers.r_ps = *(int *)®isters[REGISTER_BYTE (PS_REGNUM)]; | |
839 | inferior_registers.r_pc = *(int *)®isters[REGISTER_BYTE (PC_REGNUM)]; | |
840 | ||
841 | #endif /* Different register sets */ | |
842 | ||
843 | ptrace_in.pid = inferior_pid; | |
844 | ptrace_in.info.ttype = REGS; | |
845 | ptrace_in.info.more_data = (caddr_t) &inferior_registers; | |
846 | ||
847 | /* XXX change second param to be a proc number */ | |
848 | status = net_ptrace_clnt_call (PTRACE_SETREGS, &ptrace_in, &ptrace_out); | |
849 | if (status) | |
850 | error (rpcerr); | |
851 | if (ptrace_out.status == -1) | |
852 | { | |
853 | errno = ptrace_out.errno; | |
854 | return -1; | |
855 | } | |
856 | ||
857 | /* Store floating point registers if the target has them. */ | |
858 | ||
859 | if (target_has_fp) | |
860 | { | |
861 | #ifdef I80960 | |
862 | ||
863 | bcopy (®isters[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers, | |
864 | sizeof inferior_fp_registers.fps_regs); | |
865 | ||
866 | #else /* not 960 -- assume 68k -- FIXME */ | |
867 | ||
868 | bcopy (®isters[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers, | |
869 | sizeof inferior_fp_registers.fps_regs); | |
870 | bcopy (®isters[REGISTER_BYTE (FPC_REGNUM)], | |
871 | &inferior_fp_registers.fps_control, | |
872 | sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs); | |
873 | ||
874 | #endif /* Different register sets */ | |
875 | ||
876 | ptrace_in.pid = inferior_pid; | |
877 | ptrace_in.info.ttype = FPREGS; | |
878 | ptrace_in.info.more_data = (caddr_t) &inferior_fp_registers; | |
879 | ||
880 | status = net_ptrace_clnt_call (PTRACE_SETFPREGS, &ptrace_in, &ptrace_out); | |
881 | if (status) | |
882 | error (rpcerr); | |
883 | if (ptrace_out.status == -1) | |
884 | { | |
885 | errno = ptrace_out.errno; | |
886 | return -1; | |
887 | } | |
888 | } | |
889 | return 0; | |
890 | } | |
891 | ||
892 | /* Copy LEN bytes to or from remote inferior's memory starting at MEMADDR | |
893 | to debugger memory starting at MYADDR. WRITE is true if writing to the | |
894 | inferior. | |
895 | Result is the number of bytes written or read (zero if error). The | |
896 | protocol allows us to return a negative count, indicating that we can't | |
897 | handle the current address but can handle one N bytes further, but | |
898 | vxworks doesn't give us that information. */ | |
899 | ||
900 | int | |
8f1f2a72 | 901 | vx_xfer_memory (memaddr, myaddr, len, write, target) |
dd3b648e RP |
902 | CORE_ADDR memaddr; |
903 | char *myaddr; | |
904 | int len; | |
8f1f2a72 JG |
905 | int write; |
906 | struct target_ops *target; /* ignored */ | |
dd3b648e RP |
907 | { |
908 | int status; | |
909 | Rptrace ptrace_in; | |
910 | Ptrace_return ptrace_out; | |
911 | C_bytes data; | |
912 | ||
913 | bzero ((char *) &ptrace_in, sizeof (ptrace_in)); | |
914 | bzero ((char *) &ptrace_out, sizeof (ptrace_out)); | |
915 | ||
916 | ptrace_in.pid = inferior_pid; /* XXX pid unnecessary for READDATA */ | |
917 | ptrace_in.addr = (int) memaddr; /* Where from */ | |
918 | ptrace_in.data = len; /* How many bytes */ | |
919 | ||
920 | if (write) | |
921 | { | |
922 | ptrace_in.info.ttype = DATA; | |
923 | ptrace_in.info.more_data = (caddr_t) &data; | |
924 | ||
925 | data.bytes = (caddr_t) myaddr; /* Where from */ | |
926 | data.len = len; /* How many bytes (again, for XDR) */ | |
927 | ||
928 | /* XXX change second param to be a proc number */ | |
929 | status = net_ptrace_clnt_call (PTRACE_WRITEDATA, &ptrace_in, &ptrace_out); | |
930 | } | |
931 | else | |
932 | { | |
933 | ptrace_out.info.more_data = (caddr_t) &data; | |
934 | data.bytes = myaddr; /* Where to */ | |
935 | data.len = len; /* How many (again, for XDR) */ | |
936 | ||
937 | /* XXX change second param to be a proc number */ | |
938 | status = net_ptrace_clnt_call (PTRACE_READDATA, &ptrace_in, &ptrace_out); | |
939 | } | |
940 | ||
941 | if (status) | |
942 | error (rpcerr); | |
943 | if (ptrace_out.status == -1) | |
944 | { | |
945 | return 0; /* No bytes moved */ | |
946 | } | |
947 | return len; /* Moved *all* the bytes */ | |
948 | } | |
949 | ||
950 | void | |
951 | vx_files_info () | |
952 | { | |
953 | printf ("\tAttached to host `%s'", vx_host); | |
954 | printf (", which has %sfloating point", target_has_fp? "": "no "); | |
955 | printf (".\n"); | |
956 | } | |
957 | ||
958 | void | |
959 | vx_run_files_info () | |
960 | { | |
961 | printf ("\tRunning %s VxWorks process 0x%x", | |
962 | vx_running? "child": "attached", | |
963 | inferior_pid); | |
964 | if (vx_running) | |
965 | printf (", function `%s'", vx_running); | |
966 | printf(".\n"); | |
967 | } | |
968 | ||
969 | void | |
970 | vx_resume (step, siggnal) | |
971 | int step; | |
972 | int siggnal; | |
973 | { | |
974 | int status; | |
975 | Rptrace ptrace_in; | |
976 | Ptrace_return ptrace_out; | |
977 | ||
978 | if (siggnal != 0 && siggnal != stop_signal) | |
979 | error ("Cannot send signals to VxWorks processes"); | |
980 | ||
981 | bzero ((char *) &ptrace_in, sizeof (ptrace_in)); | |
982 | bzero ((char *) &ptrace_out, sizeof (ptrace_out)); | |
983 | ||
984 | ptrace_in.pid = inferior_pid; | |
985 | ptrace_in.addr = 1; /* Target side insists on this, or it panics. */ | |
986 | ||
987 | /* XXX change second param to be a proc number */ | |
988 | status = net_ptrace_clnt_call (step? PTRACE_SINGLESTEP: PTRACE_CONT, | |
989 | &ptrace_in, &ptrace_out); | |
990 | if (status) | |
991 | error (rpcerr); | |
992 | if (ptrace_out.status == -1) | |
993 | { | |
994 | errno = ptrace_out.errno; | |
995 | perror_with_name ("Resuming remote process"); | |
996 | } | |
997 | } | |
998 | ||
999 | void | |
1000 | vx_mourn_inferior () | |
1001 | { | |
1002 | pop_target (); /* Pop back to no-child state */ | |
1003 | generic_mourn_inferior (); | |
1004 | } | |
1005 | ||
1006 | \f | |
1007 | /* This function allows the addition of incrementally linked object files. */ | |
1008 | ||
1009 | void | |
1010 | vx_load_command (arg_string, from_tty) | |
1011 | char* arg_string; | |
1012 | int from_tty; | |
1013 | { | |
1014 | CORE_ADDR text_addr; | |
1015 | CORE_ADDR data_addr; | |
1016 | CORE_ADDR bss_addr; | |
1017 | ||
1018 | if (arg_string == 0) | |
1019 | error ("The load command takes a file name"); | |
1020 | ||
1021 | arg_string = tilde_expand (arg_string); | |
1022 | make_cleanup (free, arg_string); | |
1023 | ||
1024 | dont_repeat (); | |
1025 | ||
1026 | QUIT; | |
1027 | immediate_quit++; | |
1028 | if (net_load (arg_string, &text_addr, &data_addr, &bss_addr) == -1) | |
1029 | error ("Load failed on target machine"); | |
1030 | immediate_quit--; | |
1031 | ||
1032 | /* FIXME, for now we ignore data_addr and bss_addr. */ | |
1033 | symbol_file_add (arg_string, from_tty, text_addr, 0); | |
1034 | } | |
1035 | ||
1036 | #ifdef FIXME /* Not ready for prime time */ | |
1037 | /* Single step the target program at the source or machine level. | |
1038 | Takes an error exit if rpc fails. | |
1039 | Returns -1 if remote single-step operation fails, else 0. */ | |
1040 | ||
1041 | static int | |
1042 | net_step () | |
1043 | { | |
1044 | enum clnt_stat status; | |
1045 | int step_status; | |
1046 | SOURCE_STEP source_step; | |
1047 | ||
1048 | source_step.taskId = inferior_pid; | |
1049 | ||
1050 | if (step_range_end) | |
1051 | { | |
1052 | source_step.startAddr = step_range_start; | |
1053 | source_step.endAddr = step_range_end; | |
1054 | } | |
1055 | else | |
1056 | { | |
1057 | source_step.startAddr = 0; | |
1058 | source_step.endAddr = 0; | |
1059 | } | |
1060 | ||
1061 | status = net_clnt_call (VX_SOURCE_STEP, xdr_SOURCE_STEP, &source_step, | |
1062 | xdr_int, &step_status); | |
1063 | ||
1064 | if (status == RPC_SUCCESS) | |
1065 | return step_status; | |
1066 | else | |
1067 | error (rpcerr); | |
1068 | } | |
1069 | #endif | |
1070 | ||
1071 | /* Emulate ptrace using RPC calls to the VxWorks target system. | |
1072 | Returns nonzero (-1) if RPC status to VxWorks is bad, 0 otherwise. */ | |
1073 | ||
1074 | static int | |
1075 | net_ptrace_clnt_call (request, pPtraceIn, pPtraceOut) | |
1076 | enum ptracereq request; | |
1077 | Rptrace *pPtraceIn; | |
1078 | Ptrace_return *pPtraceOut; | |
1079 | { | |
1080 | enum clnt_stat status; | |
1081 | ||
1082 | status = net_clnt_call (request, xdr_rptrace, pPtraceIn, xdr_ptrace_return, | |
1083 | pPtraceOut); | |
1084 | ||
1085 | if (status != RPC_SUCCESS) | |
1086 | return -1; | |
1087 | ||
1088 | return 0; | |
1089 | } | |
1090 | ||
1091 | /* Query the target for the name of the file from which VxWorks was | |
1092 | booted. pBootFile is the address of a pointer to the buffer to | |
1093 | receive the file name; if the pointer pointed to by pBootFile is | |
1094 | NULL, memory for the buffer will be allocated by XDR. | |
1095 | Returns -1 if rpc failed, 0 otherwise. */ | |
1096 | ||
1097 | int | |
1098 | net_get_boot_file (pBootFile) | |
1099 | char **pBootFile; | |
1100 | { | |
1101 | enum clnt_stat status; | |
1102 | ||
1103 | status = net_clnt_call (VX_BOOT_FILE_INQ, xdr_void, (char *) 0, | |
1104 | xdr_wrapstring, pBootFile); | |
1105 | return (status == RPC_SUCCESS) ? 0 : -1; | |
1106 | } | |
1107 | ||
1108 | /* Fetch a list of loaded object modules from the VxWorks target. | |
1109 | Returns -1 if rpc failed, 0 otherwise | |
1110 | There's no way to check if the returned loadTable is correct. | |
1111 | VxWorks doesn't check it. */ | |
1112 | ||
1113 | int | |
1114 | net_get_symbols (pLoadTable) | |
1115 | ldtabl *pLoadTable; /* return pointer to ldtabl here */ | |
1116 | { | |
1117 | enum clnt_stat status; | |
1118 | ||
1119 | bzero ((char *) pLoadTable, sizeof (struct ldtabl)); | |
1120 | ||
1121 | status = net_clnt_call (VX_STATE_INQ, xdr_void, 0, xdr_ldtabl, pLoadTable); | |
1122 | return (status == RPC_SUCCESS) ? 0 : -1; | |
1123 | } | |
1124 | ||
1125 | /* Look up a symbol in the VxWorks target's symbol table. | |
1126 | Returns status of symbol read on target side (0=success, -1=fail) | |
1127 | Returns -1 and complain()s if rpc fails. */ | |
1128 | ||
1129 | struct complaint cant_contact_target = | |
1130 | {"Lost contact with VxWorks target", 0, 0}; | |
1131 | ||
1132 | int | |
1133 | vx_lookup_symbol (name, pAddr) | |
1134 | char *name; /* symbol name */ | |
1135 | CORE_ADDR *pAddr; | |
1136 | { | |
1137 | enum clnt_stat status; | |
1138 | SYMBOL_ADDR symbolAddr; | |
1139 | ||
1140 | *pAddr = 0; | |
1141 | bzero ((char *) &symbolAddr, sizeof (symbolAddr)); | |
1142 | ||
1143 | status = net_clnt_call (VX_SYMBOL_INQ, xdr_wrapstring, &name, | |
1144 | xdr_SYMBOL_ADDR, &symbolAddr); | |
1145 | if (status != RPC_SUCCESS) { | |
1146 | complain (&cant_contact_target, 0); | |
1147 | return -1; | |
1148 | } | |
1149 | ||
1150 | *pAddr = symbolAddr.addr; | |
1151 | return symbolAddr.status; | |
1152 | } | |
1153 | ||
1154 | /* Check to see if the VxWorks target has a floating point coprocessor. | |
1155 | Returns 1 if target has floating point processor, 0 otherwise. | |
1156 | Calls error() if rpc fails. */ | |
1157 | ||
1158 | int | |
1159 | net_check_for_fp () | |
1160 | { | |
1161 | enum clnt_stat status; | |
1162 | bool_t fp = 0; /* true if fp processor is present on target board */ | |
1163 | ||
1164 | status = net_clnt_call (VX_FP_INQUIRE, xdr_void, 0, xdr_bool, &fp); | |
1165 | if (status != RPC_SUCCESS) | |
1166 | error (rpcerr); | |
1167 | ||
1168 | return (int) fp; | |
1169 | } | |
1170 | ||
1171 | /* Establish an RPC connection with the VxWorks target system. | |
1172 | Calls error () if unable to establish connection. */ | |
1173 | ||
1174 | void | |
1175 | net_connect (host) | |
1176 | char *host; | |
1177 | { | |
1178 | struct sockaddr_in destAddr; | |
1179 | struct hostent *destHost; | |
1180 | ||
1181 | /* get the internet address for the given host */ | |
1182 | ||
1183 | if ((destHost = (struct hostent *) gethostbyname (host)) == NULL) | |
1184 | error ("Invalid hostname. Couldn't find remote host address."); | |
1185 | ||
1186 | bzero (&destAddr, sizeof (destAddr)); | |
1187 | ||
1188 | destAddr.sin_addr.s_addr = * (u_long *) destHost->h_addr; | |
1189 | destAddr.sin_family = AF_INET; | |
1190 | destAddr.sin_port = 0; /* set to actual port that remote | |
1191 | ptrace is listening on. */ | |
1192 | ||
1193 | /* Create a tcp client transport on which to issue | |
1194 | calls to the remote ptrace server. */ | |
1195 | ||
1196 | ptraceSock = RPC_ANYSOCK; | |
1197 | pClient = clnttcp_create (&destAddr, RDBPROG, RDBVERS, &ptraceSock, 0, 0); | |
1198 | /* FIXME, here is where we deal with different version numbers of the proto */ | |
1199 | ||
1200 | if (pClient == NULL) | |
1201 | { | |
1202 | clnt_pcreateerror ("\tnet_connect"); | |
1203 | error ("Couldn't connect to remote target."); | |
1204 | } | |
1205 | } | |
1206 | \f | |
1207 | /* Sleep for the specified number of milliseconds | |
1208 | * (assumed to be less than 1000). | |
1209 | * If select () is interrupted, returns immediately; | |
1210 | * takes an error exit if select () fails for some other reason. | |
1211 | */ | |
1212 | ||
1213 | static void | |
1214 | sleep_ms (ms) | |
1215 | long ms; | |
1216 | { | |
1217 | struct timeval select_timeout; | |
1218 | int status; | |
1219 | ||
1220 | select_timeout.tv_sec = 0; | |
1221 | select_timeout.tv_usec = ms * 1000; | |
1222 | ||
1223 | status = select (0, (fd_set *) 0, (fd_set *) 0, (fd_set *) 0, &select_timeout); | |
1224 | ||
1225 | if (status < 0 && errno != EINTR) | |
1226 | perror_with_name ("select"); | |
1227 | } | |
1228 | ||
1229 | /* Wait for control to return from inferior to debugger. | |
1230 | If inferior gets a signal, we may decide to start it up again | |
1231 | instead of returning. That is why there is a loop in this function. | |
1232 | When this function actually returns it means the inferior | |
1233 | should be left stopped and GDB should read more commands. */ | |
1234 | ||
1235 | /* For network debugging with VxWorks. | |
1236 | * VxWorks knows when tasks hit breakpoints, receive signals, exit, etc, | |
1237 | * so vx_wait() receives this information directly from | |
1238 | * VxWorks instead of trying to figure out what happenned via a wait() call. | |
1239 | */ | |
1240 | ||
1241 | static int | |
1242 | vx_wait (status) | |
1243 | int *status; | |
1244 | { | |
1245 | register int pid; | |
1246 | WAITTYPE w; | |
1247 | RDB_EVENT rdbEvent; | |
1248 | int quit_failed; | |
1249 | ||
1250 | do | |
1251 | { | |
1252 | /* If CTRL-C is hit during this loop, | |
1253 | suspend the inferior process. */ | |
1254 | ||
1255 | quit_failed = 0; | |
1256 | if (quit_flag) | |
1257 | { | |
1258 | quit_failed = (net_quit () == -1); | |
1259 | quit_flag = 0; | |
1260 | } | |
1261 | ||
1262 | /* If a net_quit () or net_wait () call has failed, | |
1263 | allow the user to break the connection with the target. | |
1264 | We can't simply error () out of this loop, since the | |
1265 | data structures representing the state of the inferior | |
1266 | are in an inconsistent state. */ | |
1267 | ||
1268 | if (quit_failed || net_wait (&rdbEvent) == -1) | |
1269 | { | |
1270 | terminal_ours (); | |
1271 | if (query ("Can't %s. Disconnect from target system? ", | |
1272 | (quit_failed) ? "suspend remote task" | |
1273 | : "get status of remote task")) | |
1274 | { | |
1275 | target_mourn_inferior(); | |
1276 | error ("Use the \"target\" command to reconnect."); | |
1277 | } | |
1278 | else | |
1279 | { | |
1280 | terminal_inferior (); | |
1281 | continue; | |
1282 | } | |
1283 | } | |
1284 | ||
1285 | pid = rdbEvent.taskId; | |
1286 | if (pid == 0) | |
1287 | { | |
1288 | sleep_ms (200); /* FIXME Don't kill the network too badly */ | |
1289 | } | |
1290 | else if (pid != inferior_pid) | |
1291 | fatal ("Bad pid for debugged task: 0x%x\n", pid); | |
1292 | } while (pid == 0); | |
1293 | ||
1294 | /* FIXME, eventually do more then SIGTRAP on everything... */ | |
1295 | switch (rdbEvent.eventType) | |
1296 | { | |
1297 | case EVENT_EXIT: | |
1298 | WSETEXIT (w, 0); | |
1299 | /* FIXME is it possible to distinguish between a | |
1300 | XXX normal vs abnormal exit in VxWorks? */ | |
1301 | break; | |
1302 | ||
1303 | case EVENT_START: /* Task was just started. */ | |
1304 | WSETSTOP (w, SIGTRAP); | |
1305 | break; | |
1306 | ||
1307 | case EVENT_STOP: | |
1308 | WSETSTOP (w, SIGTRAP); | |
1309 | /* XXX was it stopped by a signal? act accordingly */ | |
1310 | break; | |
1311 | ||
1312 | case EVENT_BREAK: /* Breakpoint was hit. */ | |
1313 | WSETSTOP (w, SIGTRAP); | |
1314 | break; | |
1315 | ||
1316 | case EVENT_SUSPEND: /* Task was suspended, probably by ^C. */ | |
1317 | WSETSTOP (w, SIGINT); | |
1318 | break; | |
1319 | ||
1320 | case EVENT_BUS_ERR: /* Task made evil nasty reference. */ | |
1321 | WSETSTOP (w, SIGBUS); | |
1322 | break; | |
1323 | ||
1324 | case EVENT_ZERO_DIV: /* Division by zero */ | |
1325 | WSETSTOP (w, SIGFPE); /* Like Unix, call it a float exception. */ | |
1326 | ||
1327 | case EVENT_SIGNAL: | |
1328 | /* The target is not running Unix, and its | |
1329 | faults/traces do not map nicely into Unix signals. | |
1330 | Make sure they do not get confused with Unix signals | |
1331 | by numbering them with values higher than the highest | |
1332 | legal Unix signal. code in the arch-dependent PRINT_RANDOM_SIGNAL | |
1333 | routine will interpret the value for wait_for_inferior. */ | |
1334 | WSETSTOP (w, rdbEvent.sigType + NSIG); | |
1335 | break; | |
1336 | } /* switch */ | |
1337 | *status = *(int *)&w; /* Grumble union wait crap Grumble */ | |
1338 | return pid; | |
1339 | } | |
1340 | \f | |
1341 | static int | |
1342 | symbol_stub (arg) | |
bdbd5f50 | 1343 | char *arg; |
dd3b648e | 1344 | { |
bdbd5f50 | 1345 | symbol_file_command (arg, 0); |
dd3b648e RP |
1346 | return 1; |
1347 | } | |
1348 | ||
1349 | static int | |
1350 | add_symbol_stub (arg) | |
bdbd5f50 | 1351 | char *arg; |
dd3b648e RP |
1352 | { |
1353 | struct ldfile *pLoadFile = (struct ldfile *)arg; | |
1354 | ||
1355 | printf("\t%s: ", pLoadFile->name); | |
1356 | symbol_file_add (pLoadFile->name, 0, pLoadFile->txt_addr, 0); | |
1357 | printf ("ok\n"); | |
1358 | return 1; | |
1359 | } | |
1360 | /* Target command for VxWorks target systems. | |
1361 | ||
1362 | Used in vxgdb. Takes the name of a remote target machine | |
1363 | running vxWorks and connects to it to initialize remote network | |
1364 | debugging. */ | |
1365 | ||
1366 | static void | |
1367 | vx_open (args, from_tty) | |
1368 | char *args; | |
1369 | int from_tty; | |
1370 | { | |
1371 | extern int close (); | |
1372 | char *bootFile; | |
1373 | extern char *source_path; | |
1374 | struct ldtabl loadTable; | |
1375 | struct ldfile *pLoadFile; | |
1376 | int i; | |
1377 | extern CLIENT *pClient; | |
1378 | ||
1379 | if (!args) | |
1380 | error_no_arg ("target machine name"); | |
1381 | ||
70dcc196 JK |
1382 | target_preopen (from_tty); |
1383 | ||
dd3b648e RP |
1384 | unpush_target (&vx_ops); |
1385 | printf ("Attaching remote machine across net...\n"); | |
1386 | fflush (stdout); | |
1387 | ||
1388 | /* Allow the user to kill the connect attempt by typing ^C. | |
1389 | Wait until the call to target_has_fp () completes before | |
1390 | disallowing an immediate quit, since even if net_connect () | |
1391 | is successful, the remote debug server might be hung. */ | |
1392 | ||
1393 | immediate_quit++; | |
1394 | ||
1395 | net_connect (args); | |
1396 | target_has_fp = net_check_for_fp (); | |
1397 | printf_filtered ("Connected to %s.\n", args); | |
1398 | ||
1399 | immediate_quit--; | |
1400 | ||
1401 | push_target (&vx_ops); | |
1402 | ||
1403 | /* Save a copy of the target host's name. */ | |
1404 | vx_host = savestring (args, strlen (args)); | |
1405 | ||
1406 | /* Find out the name of the file from which the target was booted | |
1407 | and load its symbol table. */ | |
1408 | ||
1409 | printf_filtered ("Looking in Unix path for all loaded modules:\n"); | |
1410 | bootFile = NULL; | |
1411 | if (!net_get_boot_file (&bootFile)) | |
1412 | { | |
1413 | if (*bootFile) { | |
1414 | printf_filtered ("\t%s: ", bootFile); | |
bdbd5f50 | 1415 | if (catch_errors (symbol_stub, bootFile, |
dd3b648e RP |
1416 | "Error reading symbols from boot file")) |
1417 | puts_filtered ("ok\n"); | |
1418 | } else if (from_tty) | |
1419 | printf ("VxWorks kernel symbols not loaded.\n"); | |
1420 | } | |
1421 | else | |
1422 | error ("Can't retrieve boot file name from target machine."); | |
1423 | ||
1424 | clnt_freeres (pClient, xdr_wrapstring, &bootFile); | |
1425 | ||
1426 | if (net_get_symbols (&loadTable) != 0) | |
1427 | error ("Can't read loaded modules from target machine"); | |
1428 | ||
1429 | i = 0-1; | |
1430 | while (++i < loadTable.tbl_size) | |
1431 | { | |
1432 | QUIT; /* FIXME, avoids clnt_freeres below: mem leak */ | |
1433 | pLoadFile = &loadTable.tbl_ent [i]; | |
1434 | #ifdef WRS_ORIG | |
1435 | { | |
1436 | register int desc; | |
1437 | struct cleanup *old_chain; | |
1438 | char *fullname = NULL; | |
1439 | ||
1440 | desc = openp (source_path, 0, pLoadFile->name, O_RDONLY, 0, &fullname); | |
1441 | if (desc < 0) | |
1442 | perror_with_name (pLoadFile->name); | |
1443 | old_chain = make_cleanup (close, desc); | |
1444 | add_file_at_addr (fullname, desc, pLoadFile->txt_addr, pLoadFile->data_addr, | |
1445 | pLoadFile->bss_addr); | |
1446 | do_cleanups (old_chain); | |
1447 | } | |
1448 | #else | |
1449 | /* Botches, FIXME: | |
1450 | (1) Searches the PATH, not the source path. | |
1451 | (2) data and bss are assumed to be at the usual offsets from text. */ | |
bdbd5f50 | 1452 | catch_errors (add_symbol_stub, (char *)pLoadFile, (char *)0); |
dd3b648e RP |
1453 | #endif |
1454 | } | |
1455 | printf_filtered ("Done.\n"); | |
1456 | ||
1457 | clnt_freeres (pClient, xdr_ldtabl, &loadTable); | |
1458 | } | |
1459 | \f | |
1460 | /* attach_command -- | |
1461 | takes a task started up outside of gdb and ``attaches'' to it. | |
1462 | This stops it cold in its tracks and allows us to start tracing it. */ | |
1463 | ||
1464 | static void | |
1465 | vx_attach (args, from_tty) | |
1466 | char *args; | |
1467 | int from_tty; | |
1468 | { | |
1469 | int pid; | |
1470 | char *cptr = 0; | |
1471 | Rptrace ptrace_in; | |
1472 | Ptrace_return ptrace_out; | |
1473 | int status; | |
1474 | ||
1475 | dont_repeat(); | |
1476 | ||
1477 | if (!args) | |
1478 | error_no_arg ("process-id to attach"); | |
1479 | ||
1480 | pid = strtol (args, &cptr, 0); | |
1481 | if ((cptr == args) || (*cptr != '\0')) | |
1482 | error ("Invalid process-id -- give a single number in decimal or 0xhex"); | |
1483 | ||
1484 | if (from_tty) | |
1485 | printf ("Attaching pid 0x%x.\n", pid); | |
1486 | ||
1487 | bzero ((char *)&ptrace_in, sizeof (ptrace_in)); | |
1488 | bzero ((char *)&ptrace_out, sizeof (ptrace_out)); | |
1489 | ptrace_in.pid = pid; | |
1490 | ||
1491 | status = net_ptrace_clnt_call (PTRACE_ATTACH, &ptrace_in, &ptrace_out); | |
1492 | if (status == -1) | |
1493 | error (rpcerr); | |
1494 | if (ptrace_out.status == -1) | |
1495 | { | |
1496 | errno = ptrace_out.errno; | |
1497 | perror_with_name ("Attaching remote process"); | |
1498 | } | |
1499 | ||
1500 | /* It worked... */ | |
1501 | push_target (&vx_run_ops); | |
1502 | inferior_pid = pid; | |
1503 | vx_running = 0; | |
1504 | ||
1505 | #if defined (START_INFERIOR_HOOK) | |
1506 | START_INFERIOR_HOOK (); | |
1507 | #endif | |
1508 | ||
1509 | mark_breakpoints_out (); | |
1510 | ||
1511 | /* Set up the "saved terminal modes" of the inferior | |
1512 | based on what modes we are starting it with. */ | |
1513 | target_terminal_init (); | |
1514 | ||
1515 | /* Install inferior's terminal modes. */ | |
1516 | target_terminal_inferior (); | |
1517 | ||
1518 | /* We will get a task spawn event immediately. */ | |
1519 | init_wait_for_inferior (); | |
1520 | clear_proceed_status (); | |
1521 | stop_soon_quietly = 1; | |
1522 | wait_for_inferior (); | |
1523 | stop_soon_quietly = 0; | |
1524 | normal_stop (); | |
1525 | } | |
1526 | ||
1527 | ||
1528 | /* detach_command -- | |
1529 | takes a program previously attached to and detaches it. | |
1530 | The program resumes execution and will no longer stop | |
1531 | on signals, etc. We better not have left any breakpoints | |
1532 | in the program or it'll die when it hits one. For this | |
1533 | to work, it may be necessary for the process to have been | |
1534 | previously attached. It *might* work if the program was | |
1535 | started via the normal ptrace (PTRACE_TRACEME). */ | |
1536 | ||
1537 | static void | |
1538 | vx_detach (args, from_tty) | |
1539 | char *args; | |
1540 | int from_tty; | |
1541 | { | |
1542 | Rptrace ptrace_in; | |
1543 | Ptrace_return ptrace_out; | |
1544 | int signal = 0; | |
1545 | int status; | |
1546 | ||
1547 | if (args) | |
1548 | error ("Argument given to VxWorks \"detach\"."); | |
1549 | ||
1550 | if (from_tty) | |
1551 | printf ("Detaching pid 0x%x.\n", inferior_pid); | |
1552 | ||
1553 | if (args) /* FIXME, should be possible to leave suspended */ | |
1554 | signal = atoi (args); | |
1555 | ||
1556 | bzero ((char *)&ptrace_in, sizeof (ptrace_in)); | |
1557 | bzero ((char *)&ptrace_out, sizeof (ptrace_out)); | |
1558 | ptrace_in.pid = inferior_pid; | |
1559 | ||
1560 | status = net_ptrace_clnt_call (PTRACE_DETACH, &ptrace_in, &ptrace_out); | |
1561 | if (status == -1) | |
1562 | error (rpcerr); | |
1563 | if (ptrace_out.status == -1) | |
1564 | { | |
1565 | errno = ptrace_out.errno; | |
1566 | perror_with_name ("Detaching VxWorks process"); | |
1567 | } | |
1568 | ||
1569 | inferior_pid = 0; | |
1570 | pop_target (); /* go back to non-executing VxWorks connection */ | |
1571 | } | |
1572 | ||
1573 | /* vx_kill -- takes a running task and wipes it out. */ | |
1574 | ||
1575 | static void | |
1576 | vx_kill (args, from_tty) | |
1577 | char *args; | |
1578 | int from_tty; | |
1579 | { | |
1580 | Rptrace ptrace_in; | |
1581 | Ptrace_return ptrace_out; | |
1582 | int status; | |
1583 | ||
1584 | if (args) | |
1585 | error ("Argument given to VxWorks \"kill\"."); | |
1586 | ||
1587 | if (from_tty) | |
1588 | printf ("Killing pid 0x%x.\n", inferior_pid); | |
1589 | ||
1590 | bzero ((char *)&ptrace_in, sizeof (ptrace_in)); | |
1591 | bzero ((char *)&ptrace_out, sizeof (ptrace_out)); | |
1592 | ptrace_in.pid = inferior_pid; | |
1593 | ||
1594 | status = net_ptrace_clnt_call (PTRACE_KILL, &ptrace_in, &ptrace_out); | |
1595 | if (status == -1) | |
1596 | error (rpcerr); | |
1597 | if (ptrace_out.status == -1) | |
1598 | { | |
1599 | errno = ptrace_out.errno; | |
1600 | perror_with_name ("Killing VxWorks process"); | |
1601 | } | |
1602 | ||
1603 | /* If it gives good status, the process is *gone*, no events remain. */ | |
1604 | inferior_pid = 0; | |
1605 | pop_target (); /* go back to non-executing VxWorks connection */ | |
1606 | } | |
1607 | ||
1608 | /* Clean up from the VxWorks process target as it goes away. */ | |
1609 | ||
1610 | void | |
1611 | vx_proc_close (quitting) | |
1612 | int quitting; | |
1613 | { | |
1614 | inferior_pid = 0; /* No longer have a process. */ | |
1615 | if (vx_running) | |
1616 | free (vx_running); | |
1617 | vx_running = 0; | |
1618 | } | |
1619 | \f | |
1620 | /* Cross-net conversion of floats to and from extended form. | |
1621 | (This is needed because different target machines have different | |
1622 | extended floating point formats.) */ | |
1623 | ||
1624 | /* Convert from an extended float to a double. | |
1625 | ||
1626 | The extended float is stored as raw data pointed to by FROM. | |
1627 | Return the converted value as raw data in the double pointed to by TO. | |
1628 | */ | |
1629 | ||
1630 | static void | |
1631 | vx_convert_to_virtual (regno, from, to) | |
1632 | int regno; | |
1633 | char *from; | |
1634 | char *to; | |
1635 | { | |
1636 | enum clnt_stat status; | |
1637 | ||
1638 | if (REGISTER_CONVERTIBLE (regno)) | |
1639 | { | |
1640 | if (!target_has_fp) { | |
1641 | *(double *)to = 0.0; /* Skip the trouble if no float anyway */ | |
1642 | return; | |
1643 | } | |
1644 | ||
1645 | status = net_clnt_call (VX_CONV_FROM_68881, xdr_ext_fp, from, | |
1646 | xdr_double, to); | |
1647 | ||
1648 | if (status == RPC_SUCCESS) | |
1649 | return; | |
1650 | else | |
1651 | error (rpcerr); | |
1652 | } | |
1653 | else | |
1654 | bcopy (from, to, REGISTER_VIRTUAL_SIZE (regno)); | |
1655 | } | |
1656 | ||
1657 | ||
1658 | /* The converse: convert from a double to an extended float. | |
1659 | ||
1660 | The double is stored as raw data pointed to by FROM. | |
1661 | Return the converted value as raw data in the extended | |
1662 | float pointed to by TO. | |
1663 | */ | |
1664 | ||
1665 | static void | |
1666 | vx_convert_from_virtual (regno, from, to) | |
1667 | int regno; | |
1668 | char *from; | |
1669 | char *to; | |
1670 | { | |
1671 | enum clnt_stat status; | |
1672 | ||
1673 | if (REGISTER_CONVERTIBLE (regno)) | |
1674 | { | |
1675 | if (!target_has_fp) { | |
1676 | bzero (to, REGISTER_RAW_SIZE (FP0_REGNUM)); /* Shrug */ | |
1677 | return; | |
1678 | } | |
1679 | ||
1680 | status = net_clnt_call (VX_CONV_TO_68881, xdr_double, from, | |
1681 | xdr_ext_fp, to); | |
1682 | if (status == RPC_SUCCESS) | |
1683 | return; | |
1684 | else | |
1685 | error (rpcerr); | |
1686 | } | |
1687 | else | |
1688 | bcopy (from, to, REGISTER_VIRTUAL_SIZE (regno)); | |
1689 | } | |
1690 | \f | |
1691 | /* Make an RPC call to the VxWorks target. | |
1692 | Returns RPC status. */ | |
1693 | ||
1694 | static enum clnt_stat | |
1695 | net_clnt_call (procNum, inProc, in, outProc, out) | |
1696 | enum ptracereq procNum; | |
1697 | xdrproc_t inProc; | |
1698 | char *in; | |
1699 | xdrproc_t outProc; | |
1700 | char *out; | |
1701 | { | |
1702 | enum clnt_stat status; | |
1703 | ||
1704 | status = clnt_call (pClient, procNum, inProc, in, outProc, out, rpcTimeout); | |
1705 | ||
1706 | if (status != RPC_SUCCESS) | |
1707 | clnt_perrno (status); | |
1708 | ||
1709 | return status; | |
1710 | } | |
1711 | ||
1712 | /* Clean up before losing control. */ | |
1713 | ||
1714 | void | |
1715 | vx_close (quitting) | |
1716 | int quitting; | |
1717 | { | |
1718 | if (pClient) | |
1719 | clnt_destroy (pClient); /* The net connection */ | |
1720 | pClient = 0; | |
1721 | ||
1722 | if (vx_host) | |
1723 | free (vx_host); /* The hostname */ | |
1724 | vx_host = 0; | |
1725 | } | |
1726 | ||
70dcc196 JK |
1727 | /* A vxprocess target should be started via "run" not "target". */ |
1728 | /*ARGSUSED*/ | |
1729 | static void | |
1730 | vx_proc_open (name, from_tty) | |
1731 | char *name; | |
1732 | int from_tty; | |
1733 | { | |
1734 | error ("Use the \"run\" command to start a VxWorks process."); | |
1735 | } | |
dd3b648e RP |
1736 | |
1737 | /* Target ops structure for accessing memory and such over the net */ | |
1738 | ||
1739 | struct target_ops vx_ops = { | |
1740 | "vxworks", "VxWorks target memory via RPC over TCP/IP", | |
70dcc196 JK |
1741 | "Use VxWorks target memory. \n\ |
1742 | Specify the name of the machine to connect to.", | |
dd3b648e RP |
1743 | vx_open, vx_close, vx_attach, 0, /* vx_detach, */ |
1744 | 0, 0, /* resume, wait */ | |
1745 | 0, 0, /* read_reg, write_reg */ | |
1746 | 0, vx_convert_to_virtual, vx_convert_from_virtual, /* prep_to_store, */ | |
1747 | vx_xfer_memory, vx_files_info, | |
1748 | 0, 0, /* insert_breakpoint, remove_breakpoint */ | |
1749 | 0, 0, 0, 0, 0, /* terminal stuff */ | |
1750 | 0, /* vx_kill, */ | |
8f1f2a72 | 1751 | vx_load_command, |
dd3b648e RP |
1752 | 0, /* call_function */ |
1753 | vx_lookup_symbol, | |
1754 | vx_create_inferior, 0, /* mourn_inferior */ | |
1755 | core_stratum, 0, /* next */ | |
1756 | 1, 1, 0, 0, 0, /* all mem, mem, stack, regs, exec */ | |
8f1f2a72 | 1757 | 0, 0, /* Section pointers */ |
dd3b648e RP |
1758 | OPS_MAGIC, /* Always the last thing */ |
1759 | }; | |
1760 | ||
1761 | /* Target ops structure for accessing VxWorks child processes over the net */ | |
1762 | ||
1763 | struct target_ops vx_run_ops = { | |
1764 | "vxprocess", "VxWorks process", | |
70dcc196 JK |
1765 | "VxWorks process, started by the \"run\" command.", |
1766 | vx_proc_open, vx_proc_close, 0, vx_detach, /* vx_attach */ | |
dd3b648e RP |
1767 | vx_resume, vx_wait, |
1768 | vx_read_register, vx_write_register, | |
1769 | vx_prepare_to_store, vx_convert_to_virtual, vx_convert_from_virtual, | |
1770 | vx_xfer_memory, vx_run_files_info, | |
1771 | vx_insert_breakpoint, vx_remove_breakpoint, | |
1772 | 0, 0, 0, 0, 0, /* terminal stuff */ | |
1773 | vx_kill, | |
8f1f2a72 | 1774 | vx_load_command, |
dd3b648e RP |
1775 | call_function_by_hand, /* FIXME, calling fns is maybe botched? */ |
1776 | vx_lookup_symbol, | |
1777 | 0, vx_mourn_inferior, | |
1778 | process_stratum, 0, /* next */ | |
1779 | 0, 1, 1, 1, 1, /* all mem, mem, stack, regs, exec */ | |
1780 | /* all_mem is off to avoid spurious msg in "i files" */ | |
8f1f2a72 | 1781 | 0, 0, /* Section pointers */ |
dd3b648e RP |
1782 | OPS_MAGIC, /* Always the last thing */ |
1783 | }; | |
1784 | /* ==> Remember when reading at end of file, there are two "ops" structs here. */ | |
1785 | \f | |
1786 | void | |
1787 | _initialize_vx () | |
1788 | { | |
1789 | add_target (&vx_ops); | |
1790 | add_target (&vx_run_ops); | |
1791 | } |