Commit | Line | Data |
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0f07afe1 | 1 | /* Target-vector operations for controlling Windows CE child processes, for GDB. |
1df84f13 | 2 | |
6aba47ca DJ |
3 | Copyright (C) 1999, 2000, 2001, 2004, 2006, 2007 |
4 | Free Software Foundation, Inc. | |
0f07afe1 CF |
5 | Contributed by Cygnus Solutions, A Red Hat Company. |
6 | ||
7 | This file is part of GDB. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
dc8d251e | 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
0f07afe1 CF |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
197e01b6 EZ |
21 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
22 | Boston, MA 02110-1301, USA. | |
0f07afe1 CF |
23 | */ |
24 | ||
25 | /* by Christopher Faylor (cgf@cygnus.com) */ | |
26 | ||
27 | /* We assume we're being built with and will be used for cygwin. */ | |
28 | ||
29 | #ifdef SHx | |
30 | #undef SH4 | |
ca0b4d12 | 31 | #define SH4 /* Just to get all of the CONTEXT defines. */ |
0f07afe1 CF |
32 | #endif |
33 | ||
34 | #include "defs.h" | |
ca0b4d12 | 35 | #include "frame.h" /* required by inferior.h */ |
0f07afe1 CF |
36 | #include "inferior.h" |
37 | #include "target.h" | |
60250e8b | 38 | #include "exceptions.h" |
0f07afe1 CF |
39 | #include "gdbcore.h" |
40 | #include "command.h" | |
41 | #include <signal.h> | |
42 | #include <sys/types.h> | |
43 | #include <fcntl.h> | |
44 | #include <stdlib.h> | |
45 | ||
46 | #include <windows.h> | |
47 | #include <rapi.h> | |
48 | #include <netdb.h> | |
49 | #include <cygwin/in.h> | |
50 | #include <cygwin/socket.h> | |
51 | ||
52 | #include "buildsym.h" | |
53 | #include "symfile.h" | |
54 | #include "objfiles.h" | |
55 | #include "gdb_string.h" | |
56 | #include "gdbthread.h" | |
57 | #include "gdbcmd.h" | |
58 | #include <sys/param.h> | |
59 | #include "wince-stub.h" | |
61c37cee | 60 | #include <time.h> |
4e052eda | 61 | #include "regcache.h" |
e14e6e9c AC |
62 | #ifdef MIPS |
63 | #include "mips-tdep.h" | |
64 | #endif | |
0f07afe1 | 65 | |
0f07afe1 CF |
66 | /* If we're not using the old Cygwin header file set, define the |
67 | following which never should have been in the generic Win32 API | |
ca0b4d12 | 68 | headers in the first place since they were our own invention... */ |
0f07afe1 CF |
69 | #ifndef _GNU_H_WINDOWS_H |
70 | #define FLAG_TRACE_BIT 0x100 | |
71 | #ifdef CONTEXT_FLOATING_POINT | |
72 | #define CONTEXT_DEBUGGER0 (CONTEXT_FULL | CONTEXT_FLOATING_POINT) | |
73 | #else | |
74 | #define CONTEXT_DEBUGGER0 (CONTEXT_FULL) | |
75 | #endif | |
76 | #endif | |
77 | ||
78 | #ifdef SH4 | |
79 | #define CONTEXT_DEBUGGER ((CONTEXT_DEBUGGER0 & ~(CONTEXT_SH4 | CONTEXT_FLOATING_POINT)) | CONTEXT_SH3) | |
80 | #else | |
81 | #define CONTEXT_DEBUGGER CONTEXT_DEBUGGER0 | |
82 | #endif | |
83 | /* The string sent by cygwin when it processes a signal. | |
ca0b4d12 | 84 | FIXME: This should be in a cygwin include file. */ |
0f07afe1 CF |
85 | #define CYGWIN_SIGNAL_STRING "cygwin: signal" |
86 | ||
87 | #define CHECK(x) check (x, __FILE__,__LINE__) | |
88 | #define DEBUG_EXEC(x) if (debug_exec) printf x | |
89 | #define DEBUG_EVENTS(x) if (debug_events) printf x | |
90 | #define DEBUG_MEM(x) if (debug_memory) printf x | |
91 | #define DEBUG_EXCEPT(x) if (debug_exceptions) printf x | |
92 | ||
ca0b4d12 MS |
93 | static int connection_initialized = 0; /* True if we've initialized a |
94 | RAPI session. */ | |
0f07afe1 | 95 | |
ca0b4d12 | 96 | /* The directory where the stub and executable files are uploaded. */ |
0f07afe1 CF |
97 | static const char *remote_directory = "\\gdb"; |
98 | ||
ca0b4d12 | 99 | /* The types automatic upload available. */ |
0f07afe1 CF |
100 | static enum |
101 | { | |
102 | UPLOAD_ALWAYS = 0, | |
103 | UPLOAD_NEWER = 1, | |
104 | UPLOAD_NEVER = 2 | |
105 | } | |
106 | upload_when = UPLOAD_NEWER; | |
107 | ||
108 | /* Valid options for 'set remoteupload'. Note that options | |
ca0b4d12 | 109 | must track upload_when enum. */ |
0f07afe1 CF |
110 | static struct opts |
111 | { | |
112 | const char *name; | |
113 | int abbrev; | |
114 | } | |
115 | upload_options[3] = | |
116 | { | |
117 | { | |
118 | "always", 1 | |
119 | } | |
120 | , | |
121 | { | |
122 | "newer", 3 | |
123 | } | |
124 | , | |
125 | { | |
126 | "never", 3 | |
127 | } | |
128 | }; | |
129 | ||
ca0b4d12 | 130 | static char *remote_upload = NULL; /* Set by set remoteupload. */ |
0f07afe1 CF |
131 | static int remote_add_host = 0; |
132 | ||
39f77062 | 133 | static int win32_child_thread_alive (ptid_t); |
a14ed312 | 134 | void child_kill_inferior (void); |
0f07afe1 | 135 | |
ca0b4d12 MS |
136 | static int last_sig = 0; /* Set if a signal was received from |
137 | the debugged process. */ | |
0f07afe1 CF |
138 | |
139 | /* Thread information structure used to track information that is | |
ca0b4d12 | 140 | not available in gdb's thread structure. */ |
0f07afe1 CF |
141 | typedef struct thread_info_struct |
142 | { | |
143 | struct thread_info_struct *next; | |
144 | DWORD id; | |
145 | HANDLE h; | |
146 | char *name; | |
147 | int suspend_count; | |
ca0b4d12 | 148 | int stepped; /* True if stepped. */ |
0f07afe1 | 149 | CORE_ADDR step_pc; |
0f07afe1 CF |
150 | CONTEXT context; |
151 | } | |
152 | thread_info; | |
153 | ||
154 | static thread_info thread_head = | |
155 | {NULL}; | |
61c37cee | 156 | static thread_info * thread_rec (DWORD id, int get_context); |
0f07afe1 | 157 | |
ca0b4d12 | 158 | /* The process and thread handles for the above context. */ |
0f07afe1 CF |
159 | |
160 | static DEBUG_EVENT current_event; /* The current debug event from | |
ca0b4d12 MS |
161 | WaitForDebugEvent. */ |
162 | static HANDLE current_process_handle; /* Currently executing process. */ | |
163 | static thread_info *current_thread; /* Info on currently selected | |
164 | thread. */ | |
165 | static thread_info *this_thread; /* Info on thread returned by | |
166 | wait_for_debug_event. */ | |
167 | static DWORD main_thread_id; /* Thread ID of the main thread. */ | |
168 | ||
169 | /* Counts of things. */ | |
0f07afe1 CF |
170 | static int exception_count = 0; |
171 | static int event_count = 0; | |
172 | ||
ca0b4d12 MS |
173 | /* User options. */ |
174 | static int debug_exec = 0; /* show execution */ | |
175 | static int debug_events = 0; /* show events from kernel */ | |
176 | static int debug_memory = 0; /* show target memory accesses */ | |
0f07afe1 CF |
177 | static int debug_exceptions = 0; /* show target exceptions */ |
178 | ||
179 | /* An array of offset mappings into a Win32 Context structure. | |
180 | This is a one-to-one mapping which is indexed by gdb's register | |
181 | numbers. It retrieves an offset into the context structure where | |
182 | the 4 byte register is located. | |
183 | An offset value of -1 indicates that Win32 does not provide this | |
184 | register in it's CONTEXT structure. regptr will return zero for this | |
185 | register. | |
186 | ||
ca0b4d12 | 187 | This is used by the regptr function. */ |
0f07afe1 CF |
188 | #define context_offset(x) ((int)&(((PCONTEXT)NULL)->x)) |
189 | static const int mappings[NUM_REGS + 1] = | |
190 | { | |
191 | #ifdef __i386__ | |
192 | context_offset (Eax), | |
193 | context_offset (Ecx), | |
194 | context_offset (Edx), | |
195 | context_offset (Ebx), | |
196 | context_offset (Esp), | |
197 | context_offset (Ebp), | |
198 | context_offset (Esi), | |
199 | context_offset (Edi), | |
200 | context_offset (Eip), | |
201 | context_offset (EFlags), | |
202 | context_offset (SegCs), | |
203 | context_offset (SegSs), | |
204 | context_offset (SegDs), | |
205 | context_offset (SegEs), | |
206 | context_offset (SegFs), | |
207 | context_offset (SegGs), | |
208 | context_offset (FloatSave.RegisterArea[0 * 10]), | |
209 | context_offset (FloatSave.RegisterArea[1 * 10]), | |
210 | context_offset (FloatSave.RegisterArea[2 * 10]), | |
211 | context_offset (FloatSave.RegisterArea[3 * 10]), | |
212 | context_offset (FloatSave.RegisterArea[4 * 10]), | |
213 | context_offset (FloatSave.RegisterArea[5 * 10]), | |
214 | context_offset (FloatSave.RegisterArea[6 * 10]), | |
215 | context_offset (FloatSave.RegisterArea[7 * 10]), | |
216 | #elif defined(SHx) | |
217 | context_offset (R0), | |
218 | context_offset (R1), | |
219 | context_offset (R2), | |
220 | context_offset (R3), | |
221 | context_offset (R4), | |
222 | context_offset (R5), | |
223 | context_offset (R6), | |
224 | context_offset (R7), | |
225 | context_offset (R8), | |
226 | context_offset (R9), | |
227 | context_offset (R10), | |
228 | context_offset (R11), | |
229 | context_offset (R12), | |
230 | context_offset (R13), | |
231 | context_offset (R14), | |
232 | context_offset (R15), | |
233 | context_offset (Fir), | |
234 | context_offset (PR), /* Procedure Register */ | |
235 | context_offset (GBR), /* Global Base Register */ | |
236 | context_offset (MACH), /* Accumulate */ | |
237 | context_offset (MACL), /* Multiply */ | |
238 | context_offset (Psr), | |
239 | context_offset (Fpul), | |
240 | context_offset (Fpscr), | |
241 | context_offset (FRegs[0]), | |
242 | context_offset (FRegs[1]), | |
243 | context_offset (FRegs[2]), | |
244 | context_offset (FRegs[3]), | |
245 | context_offset (FRegs[4]), | |
246 | context_offset (FRegs[5]), | |
247 | context_offset (FRegs[6]), | |
248 | context_offset (FRegs[7]), | |
249 | context_offset (FRegs[8]), | |
250 | context_offset (FRegs[9]), | |
251 | context_offset (FRegs[10]), | |
252 | context_offset (FRegs[11]), | |
253 | context_offset (FRegs[12]), | |
254 | context_offset (FRegs[13]), | |
255 | context_offset (FRegs[14]), | |
256 | context_offset (FRegs[15]), | |
257 | context_offset (xFRegs[0]), | |
258 | context_offset (xFRegs[1]), | |
259 | context_offset (xFRegs[2]), | |
260 | context_offset (xFRegs[3]), | |
261 | context_offset (xFRegs[4]), | |
262 | context_offset (xFRegs[5]), | |
263 | context_offset (xFRegs[6]), | |
264 | context_offset (xFRegs[7]), | |
265 | context_offset (xFRegs[8]), | |
266 | context_offset (xFRegs[9]), | |
267 | context_offset (xFRegs[10]), | |
268 | context_offset (xFRegs[11]), | |
269 | context_offset (xFRegs[12]), | |
270 | context_offset (xFRegs[13]), | |
271 | context_offset (xFRegs[14]), | |
272 | context_offset (xFRegs[15]), | |
273 | #elif defined(MIPS) | |
274 | context_offset (IntZero), | |
275 | context_offset (IntAt), | |
276 | context_offset (IntV0), | |
277 | context_offset (IntV1), | |
278 | context_offset (IntA0), | |
279 | context_offset (IntA1), | |
280 | context_offset (IntA2), | |
281 | context_offset (IntA3), | |
282 | context_offset (IntT0), | |
283 | context_offset (IntT1), | |
284 | context_offset (IntT2), | |
285 | context_offset (IntT3), | |
286 | context_offset (IntT4), | |
287 | context_offset (IntT5), | |
288 | context_offset (IntT6), | |
289 | context_offset (IntT7), | |
290 | context_offset (IntS0), | |
291 | context_offset (IntS1), | |
292 | context_offset (IntS2), | |
293 | context_offset (IntS3), | |
294 | context_offset (IntS4), | |
295 | context_offset (IntS5), | |
296 | context_offset (IntS6), | |
297 | context_offset (IntS7), | |
298 | context_offset (IntT8), | |
299 | context_offset (IntT9), | |
300 | context_offset (IntK0), | |
301 | context_offset (IntK1), | |
302 | context_offset (IntGp), | |
303 | context_offset (IntSp), | |
304 | context_offset (IntS8), | |
305 | context_offset (IntRa), | |
306 | context_offset (Psr), | |
307 | context_offset (IntLo), | |
308 | context_offset (IntHi), | |
309 | -1, /* bad */ | |
310 | -1, /* cause */ | |
311 | context_offset (Fir), | |
312 | context_offset (FltF0), | |
313 | context_offset (FltF1), | |
314 | context_offset (FltF2), | |
315 | context_offset (FltF3), | |
316 | context_offset (FltF4), | |
317 | context_offset (FltF5), | |
318 | context_offset (FltF6), | |
319 | context_offset (FltF7), | |
320 | context_offset (FltF8), | |
321 | context_offset (FltF9), | |
322 | context_offset (FltF10), | |
323 | context_offset (FltF11), | |
324 | context_offset (FltF12), | |
325 | context_offset (FltF13), | |
326 | context_offset (FltF14), | |
327 | context_offset (FltF15), | |
328 | context_offset (FltF16), | |
329 | context_offset (FltF17), | |
330 | context_offset (FltF18), | |
331 | context_offset (FltF19), | |
332 | context_offset (FltF20), | |
333 | context_offset (FltF21), | |
334 | context_offset (FltF22), | |
335 | context_offset (FltF23), | |
336 | context_offset (FltF24), | |
337 | context_offset (FltF25), | |
338 | context_offset (FltF26), | |
339 | context_offset (FltF27), | |
340 | context_offset (FltF28), | |
341 | context_offset (FltF29), | |
342 | context_offset (FltF30), | |
343 | context_offset (FltF31), | |
344 | context_offset (Fsr), | |
345 | context_offset (Fir), | |
346 | -1, /* fp */ | |
347 | #elif defined(ARM) | |
348 | context_offset (R0), | |
349 | context_offset (R1), | |
350 | context_offset (R2), | |
351 | context_offset (R3), | |
352 | context_offset (R4), | |
353 | context_offset (R5), | |
354 | context_offset (R6), | |
355 | context_offset (R7), | |
356 | context_offset (R8), | |
357 | context_offset (R9), | |
358 | context_offset (R10), | |
359 | context_offset (R11), | |
360 | context_offset (R12), | |
361 | context_offset (Sp), | |
362 | context_offset (Lr), | |
363 | context_offset (Pc), | |
364 | -1, | |
365 | -1, | |
366 | -1, | |
367 | -1, | |
368 | -1, | |
369 | -1, | |
370 | -1, | |
371 | -1, | |
372 | -1, | |
373 | context_offset (Psr), | |
374 | #endif | |
375 | -1 | |
376 | }; | |
377 | ||
61c37cee CF |
378 | /* Return a pointer into a CONTEXT field indexed by gdb register number. |
379 | Return a pointer to an address pointing to zero if there is no | |
380 | corresponding CONTEXT field for the given register number. | |
381 | */ | |
382 | static ULONG * | |
383 | regptr (LPCONTEXT c, int r) | |
0f07afe1 | 384 | { |
61c37cee CF |
385 | static ULONG zero = 0; |
386 | ULONG *p; | |
387 | if (mappings[r] < 0) | |
388 | p = &zero; | |
389 | else | |
390 | p = (ULONG *) (((char *) c) + mappings[r]); | |
391 | return p; | |
392 | } | |
0f07afe1 CF |
393 | |
394 | /******************** Beginning of stub interface ********************/ | |
395 | ||
396 | /* Stub interface description: | |
397 | ||
398 | The Windows CE stub implements a crude RPC. The hand-held device | |
399 | connects to gdb using port 7000. gdb and the stub then communicate | |
400 | using packets where: | |
401 | ||
402 | byte 0: command id (e.g. Create Process) | |
403 | ||
404 | byte 1-4: DWORD | |
405 | ||
406 | byte 1-2: WORD | |
407 | ||
408 | byte 1-2: length | |
409 | byte 3-n: arbitrary memory. | |
410 | ||
ca0b4d12 MS |
411 | The interface is deterministic, i.e., if the stub expects a DWORD |
412 | then the gdb server should send a DWORD. | |
0f07afe1 CF |
413 | */ |
414 | ||
ca0b4d12 MS |
415 | /* Note: In the functions below, the `huh' parameter is a string |
416 | passed from the function containing a descriptive string concerning | |
417 | the current operation. This is used for error reporting. | |
0f07afe1 CF |
418 | |
419 | The 'what' parameter is a command id as found in wince-stub.h. | |
420 | ||
421 | Hopefully, the rest of the parameters are self-explanatory. | |
422 | */ | |
423 | ||
424 | static int s; /* communication socket */ | |
425 | ||
426 | /* v-style interface for handling varying argyment list error messages. | |
427 | Displays the error message in a dialog box and exits when user clicks | |
ca0b4d12 | 428 | on OK. */ |
0f07afe1 CF |
429 | static void |
430 | vstub_error (LPCSTR fmt, va_list * args) | |
431 | { | |
432 | char buf[4096]; | |
433 | vsprintf (buf, fmt, args); | |
434 | s = -1; | |
8a3fe4f8 | 435 | error (("%s"), buf); |
0f07afe1 CF |
436 | } |
437 | ||
ca0b4d12 | 438 | /* The standard way to display an error message and exit. */ |
0f07afe1 CF |
439 | static void |
440 | stub_error (LPCSTR fmt,...) | |
441 | { | |
442 | va_list args; | |
443 | va_start (args, fmt); | |
444 | vstub_error (fmt, args); | |
445 | } | |
446 | ||
ca0b4d12 MS |
447 | /* Standard "oh well" can't communicate error. Someday this might |
448 | attempt synchronization. */ | |
0f07afe1 CF |
449 | static void |
450 | attempt_resync (LPCSTR huh, int s) | |
451 | { | |
452 | stub_error ("lost synchronization with target attempting %s", huh); | |
453 | } | |
454 | ||
ca0b4d12 | 455 | /* Read arbitrary stuff from a socket. */ |
0f07afe1 CF |
456 | static int |
457 | sockread (LPCSTR huh, int s, void *str, size_t n) | |
458 | { | |
459 | for (;;) | |
460 | { | |
461 | if (recv (s, str, n, 0) == n) | |
462 | return n; | |
463 | attempt_resync (huh, s); | |
464 | } | |
465 | } | |
466 | ||
ca0b4d12 | 467 | /* Write arbitrary stuff to a socket. */ |
0f07afe1 CF |
468 | static int |
469 | sockwrite (LPCSTR huh, const void *str, size_t n) | |
470 | { | |
471 | for (;;) | |
472 | { | |
473 | if (send (s, str, n, 0) == n) | |
474 | return n; | |
475 | attempt_resync (huh, s); | |
476 | } | |
477 | } | |
478 | ||
ca0b4d12 | 479 | /* Output an id/dword to the host. */ |
0f07afe1 CF |
480 | static void |
481 | putdword (LPCSTR huh, gdb_wince_id what, DWORD n) | |
482 | { | |
483 | if (sockwrite (huh, &what, sizeof (what)) != sizeof (what)) | |
484 | stub_error ("error writing record id to host for %s", huh); | |
485 | if (sockwrite (huh, &n, sizeof (n)) != sizeof (n)) | |
486 | stub_error ("error writing %s to host.", huh); | |
487 | } | |
488 | ||
ca0b4d12 | 489 | /* Output an id/word to the host. */ |
0f07afe1 CF |
490 | static void |
491 | putword (LPCSTR huh, gdb_wince_id what, WORD n) | |
492 | { | |
493 | if (sockwrite (huh, &what, sizeof (what)) != sizeof (what)) | |
494 | stub_error ("error writing record id to host for %s", huh); | |
495 | if (sockwrite (huh, &n, sizeof (n)) != sizeof (n)) | |
496 | stub_error ("error writing %s host.", huh); | |
497 | } | |
498 | ||
ca0b4d12 | 499 | /* Convenience define for outputting a "gdb_wince_len" type. */ |
0f07afe1 CF |
500 | #define putlen(huh, what, n) putword((huh), (what), (gdb_wince_len) (n)) |
501 | ||
502 | /* Put an arbitrary block of memory to the gdb host. This comes in | |
ca0b4d12 MS |
503 | two chunks an id/dword representing the length and the stream of |
504 | memory itself. */ | |
0f07afe1 | 505 | static void |
ca0b4d12 MS |
506 | putmemory (LPCSTR huh, gdb_wince_id what, |
507 | const void *mem, gdb_wince_len len) | |
0f07afe1 CF |
508 | { |
509 | putlen (huh, what, len); | |
510 | if (((short) len > 0) && sockwrite (huh, mem, len) != len) | |
511 | stub_error ("error writing %s to host.", huh); | |
512 | } | |
513 | ||
ca0b4d12 MS |
514 | /* Output the result of an operation to the host. If res != 0, sends |
515 | a block of memory starting at mem of len bytes. If res == 0, sends | |
516 | -GetLastError () and avoids sending the mem. */ | |
0f07afe1 CF |
517 | static DWORD |
518 | getdword (LPCSTR huh, gdb_wince_id what_this) | |
519 | { | |
520 | DWORD n; | |
521 | gdb_wince_id what; | |
522 | do | |
523 | if (sockread (huh, s, &what, sizeof (what)) != sizeof (what)) | |
524 | stub_error ("error getting record type from host - %s.", huh); | |
525 | while (what_this != what); | |
526 | ||
527 | if (sockread (huh, s, &n, sizeof (n)) != sizeof (n)) | |
528 | stub_error ("error getting %s from host.", huh); | |
529 | ||
530 | return n; | |
531 | } | |
532 | ||
533 | /* Get a an ID (possibly) and a WORD from the host gdb. | |
534 | Don't bother with the id if the main loop has already | |
ca0b4d12 | 535 | read it. */ |
0f07afe1 CF |
536 | static WORD |
537 | getword (LPCSTR huh, gdb_wince_id what_this) | |
538 | { | |
539 | WORD n; | |
540 | gdb_wince_id what; | |
541 | do | |
542 | if (sockread (huh, s, &what, sizeof (what)) != sizeof (what)) | |
543 | stub_error ("error getting record type from host - %s.", huh); | |
544 | while (what_this != what); | |
545 | ||
546 | if (sockread (huh, s, &n, sizeof (n)) != sizeof (n)) | |
547 | stub_error ("error getting %s from host.", huh); | |
548 | ||
549 | return n; | |
550 | } | |
551 | ||
ca0b4d12 | 552 | /* Handy defines for getting/putting various types of values. */ |
0f07afe1 CF |
553 | #define gethandle(huh, what) (HANDLE) getdword ((huh), (what)) |
554 | #define getpvoid(huh, what) (LPVOID) getdword ((huh), (what)) | |
555 | #define getlen(huh, what) (gdb_wince_len) getword ((huh), (what)) | |
556 | #define puthandle(huh, what, h) putdword ((huh), (what), (DWORD) (h)) | |
557 | #define putpvoid(huh, what, p) putdword ((huh), (what), (DWORD) (p)) | |
558 | ||
ca0b4d12 MS |
559 | /* Retrieve the result of an operation from the stub. If nbytes < 0) |
560 | then nbytes is actually an error and nothing else follows. Use | |
561 | SetLastError to remember this. if nbytes > 0, retrieve a block of | |
562 | *nbytes into buf. | |
0f07afe1 CF |
563 | */ |
564 | int | |
ca0b4d12 MS |
565 | getresult (LPCSTR huh, gdb_wince_id what, LPVOID buf, |
566 | gdb_wince_len * nbytes) | |
0f07afe1 CF |
567 | { |
568 | gdb_wince_len dummy; | |
569 | if (nbytes == NULL) | |
570 | nbytes = &dummy; | |
571 | ||
572 | *nbytes = getlen (huh, what); | |
573 | ||
574 | if ((short) *nbytes < 0) | |
575 | { | |
576 | SetLastError (-(short) *nbytes); | |
577 | return 0; | |
578 | } | |
579 | ||
580 | if ((gdb_wince_len) sockread (huh, s, buf, *nbytes) != *nbytes) | |
581 | stub_error ("couldn't read information from wince stub - %s", huh); | |
582 | ||
583 | return 1; | |
584 | } | |
585 | ||
586 | /* Convert "narrow" string to "wide". Manipulates a buffer ring of 8 | |
587 | buffers which hold the translated string. This is an arbitrary limit | |
588 | but it is approximately double the current needs of this module. | |
589 | */ | |
590 | LPWSTR | |
591 | towide (const char *s, gdb_wince_len * out_len) | |
592 | { | |
593 | static int n = -1; | |
594 | static LPWSTR outs[8] = | |
ca0b4d12 | 595 | {NULL /*, NULL, etc. */ }; |
0f07afe1 CF |
596 | gdb_wince_len dummy; |
597 | ||
598 | if (!out_len) | |
599 | out_len = &dummy; | |
600 | ||
ca0b4d12 MS |
601 | /* First determine the length required to hold the converted string. */ |
602 | *out_len = sizeof (WCHAR) * MultiByteToWideChar (CP_ACP, 0, s, | |
603 | -1, NULL, 0); | |
0f07afe1 | 604 | if (!*out_len) |
ca0b4d12 | 605 | return NULL; /* The conversion failed. */ |
0f07afe1 CF |
606 | |
607 | if (++n >= (sizeof (outs) / sizeof (outs[0]))) | |
608 | n = 0; /* wrap */ | |
609 | ||
ca0b4d12 MS |
610 | /* Allocate space for the converted string, reusing any previously |
611 | allocated space, if applicable. Note that if outs[n] is NULL, | |
612 | xrealloc will act as a malloc (under cygwin, at least). | |
0f07afe1 | 613 | */ |
9ff2efe5 | 614 | outs[n] = (LPWSTR) xrealloc (outs[n], *out_len); |
0f07afe1 CF |
615 | memset (outs[n], 0, *out_len); |
616 | (void) MultiByteToWideChar (CP_ACP, 0, s, -1, outs[n], *out_len); | |
617 | return outs[n]; | |
618 | } | |
619 | ||
620 | /******************** Emulation routines start here. ******************** | |
621 | ||
ca0b4d12 MS |
622 | The functions below are modelled after their Win32 counterparts. |
623 | They are named similarly to Win32 and take exactly the same | |
624 | arguments except where otherwise noted. They communicate with the | |
625 | stub on the hand-held device by sending their arguments over the | |
626 | socket and waiting for results from the socket. | |
627 | ||
628 | There is one universal change. In cases where a length is expected | |
629 | to be returned in a DWORD, we use a gdb_wince_len type instead. | |
630 | Currently this is an unsigned short which is smaller than the | |
631 | standard Win32 DWORD. This is done to minimize unnecessary traffic | |
632 | since the connection to Windows CE can be slow. To change this, | |
633 | modify the typedef in wince-stub.h and change the putlen/getlen | |
634 | macros in this file and in the stub. | |
0f07afe1 | 635 | */ |
61c37cee | 636 | |
0f07afe1 | 637 | static int |
ca0b4d12 MS |
638 | create_process (LPSTR exec_file, LPSTR args, DWORD flags, |
639 | PROCESS_INFORMATION * pi) | |
0f07afe1 CF |
640 | { |
641 | gdb_wince_len len; | |
642 | LPWSTR buf; | |
643 | ||
644 | buf = towide (exec_file, &len); | |
645 | putmemory ("CreateProcess exec_file", GDB_CREATEPROCESS, buf, len); | |
646 | buf = towide (args, &len); | |
647 | putmemory ("CreateProcess args", GDB_CREATEPROCESS, buf, len); | |
648 | putdword ("CreateProcess flags", GDB_CREATEPROCESS, flags); | |
649 | return getresult ("CreateProcess result", GDB_CREATEPROCESS, pi, NULL); | |
650 | } | |
651 | ||
ca0b4d12 MS |
652 | /* Emulate TerminateProcess. |
653 | Don't bother with the second argument since CE ignores it. | |
0f07afe1 CF |
654 | */ |
655 | static int | |
656 | terminate_process (HANDLE h) | |
657 | { | |
658 | gdb_wince_result res; | |
659 | if (s < 0) | |
660 | return 1; | |
661 | puthandle ("TerminateProcess handle", GDB_TERMINATEPROCESS, h); | |
ca0b4d12 MS |
662 | |
663 | return getresult ("TerminateProcess result", | |
664 | GDB_TERMINATEPROCESS, &res, NULL); | |
0f07afe1 CF |
665 | } |
666 | ||
667 | static int | |
668 | wait_for_debug_event (DEBUG_EVENT * ev, DWORD ms) | |
669 | { | |
670 | if (s < 0) | |
671 | return 1; | |
672 | putdword ("WaitForDebugEvent ms", GDB_WAITFORDEBUGEVENT, ms); | |
ca0b4d12 MS |
673 | |
674 | return getresult ("WaitForDebugEvent event", | |
675 | GDB_WAITFORDEBUGEVENT, ev, NULL); | |
0f07afe1 CF |
676 | } |
677 | ||
678 | static int | |
679 | get_thread_context (HANDLE h, CONTEXT * c) | |
680 | { | |
681 | if (s < 0) | |
682 | return 1; | |
683 | puthandle ("GetThreadContext handle", GDB_GETTHREADCONTEXT, h); | |
ca0b4d12 MS |
684 | putdword ("GetThreadContext flags", GDB_GETTHREADCONTEXT, |
685 | c->ContextFlags); | |
686 | ||
687 | return getresult ("GetThreadContext context", | |
688 | GDB_GETTHREADCONTEXT, c, NULL); | |
0f07afe1 CF |
689 | } |
690 | ||
691 | static int | |
692 | set_thread_context (HANDLE h, CONTEXT * c) | |
693 | { | |
694 | gdb_wince_result res; | |
695 | if (s < 0) | |
696 | return 1; | |
697 | puthandle ("SetThreadContext handle", GDB_SETTHREADCONTEXT, h); | |
ca0b4d12 MS |
698 | putmemory ("SetThreadContext context", GDB_SETTHREADCONTEXT, |
699 | c, sizeof (*c)); | |
700 | ||
701 | return getresult ("SetThreadContext context", | |
702 | GDB_SETTHREADCONTEXT, &res, NULL); | |
0f07afe1 CF |
703 | } |
704 | ||
705 | static int | |
ca0b4d12 MS |
706 | read_process_memory (HANDLE h, LPCVOID where, |
707 | LPVOID buf, gdb_wince_len len, | |
708 | gdb_wince_len * nbytes) | |
0f07afe1 CF |
709 | { |
710 | if (s < 0) | |
711 | return 1; | |
712 | puthandle ("ReadProcessMemory handle", GDB_READPROCESSMEMORY, h); | |
713 | putpvoid ("ReadProcessMemory location", GDB_READPROCESSMEMORY, where); | |
714 | putlen ("ReadProcessMemory size", GDB_READPROCESSMEMORY, len); | |
715 | ||
ca0b4d12 MS |
716 | return getresult ("ReadProcessMemory buf", |
717 | GDB_READPROCESSMEMORY, buf, nbytes); | |
0f07afe1 CF |
718 | } |
719 | ||
720 | static int | |
ca0b4d12 MS |
721 | write_process_memory (HANDLE h, LPCVOID where, |
722 | LPCVOID buf, gdb_wince_len len, | |
723 | gdb_wince_len * nbytes) | |
0f07afe1 CF |
724 | { |
725 | if (s < 0) | |
726 | return 1; | |
727 | puthandle ("WriteProcessMemory handle", GDB_WRITEPROCESSMEMORY, h); | |
728 | putpvoid ("WriteProcessMemory location", GDB_WRITEPROCESSMEMORY, where); | |
729 | putmemory ("WriteProcProcessMemory buf", GDB_WRITEPROCESSMEMORY, buf, len); | |
730 | ||
ca0b4d12 MS |
731 | return getresult ("WriteProcessMemory result", |
732 | GDB_WRITEPROCESSMEMORY, nbytes, NULL); | |
0f07afe1 CF |
733 | } |
734 | ||
735 | static int | |
736 | remote_read_bytes (CORE_ADDR memaddr, char *myaddr, int len) | |
737 | { | |
738 | gdb_wince_len nbytes; | |
ca0b4d12 MS |
739 | if (!read_process_memory (current_process_handle, |
740 | (LPCVOID) memaddr, | |
741 | (LPVOID) myaddr, | |
742 | len, &nbytes)) | |
0f07afe1 CF |
743 | return -1; |
744 | return nbytes; | |
745 | } | |
746 | ||
747 | static int | |
748 | remote_write_bytes (CORE_ADDR memaddr, char *myaddr, int len) | |
749 | { | |
750 | gdb_wince_len nbytes; | |
ca0b4d12 MS |
751 | if (!write_process_memory (current_process_handle, |
752 | (LPCVOID) memaddr, | |
753 | (LPCVOID) myaddr, | |
754 | len, &nbytes)) | |
0f07afe1 CF |
755 | return -1; |
756 | return nbytes; | |
757 | } | |
758 | ||
ca0b4d12 MS |
759 | /* This is not a standard Win32 function. It instructs the stub to |
760 | return TRUE if the thread referenced by HANDLE h is alive. | |
0f07afe1 CF |
761 | */ |
762 | static int | |
763 | thread_alive (HANDLE h) | |
764 | { | |
765 | gdb_wince_result res; | |
766 | if (s < 0) | |
767 | return 1; | |
768 | puthandle ("ThreadAlive handle", GDB_THREADALIVE, h); | |
769 | return getresult ("ThreadAlive result", GDB_THREADALIVE, &res, NULL); | |
770 | } | |
771 | ||
772 | static int | |
773 | suspend_thread (HANDLE h) | |
774 | { | |
775 | if (s < 0) | |
776 | return 1; | |
777 | puthandle ("SuspendThread handle", GDB_SUSPENDTHREAD, h); | |
778 | return (int) getdword ("SuspendThread result", GDB_SUSPENDTHREAD); | |
779 | } | |
780 | ||
781 | static int | |
782 | resume_thread (HANDLE h) | |
783 | { | |
784 | if (s < 0) | |
785 | return 1; | |
786 | puthandle ("ResumeThread handle", GDB_RESUMETHREAD, h); | |
787 | return (int) getdword ("SuspendThread result", GDB_RESUMETHREAD); | |
788 | } | |
789 | ||
790 | static int | |
791 | continue_debug_event (DWORD pid, DWORD tid, DWORD status) | |
792 | { | |
793 | gdb_wince_result res; | |
794 | if (s < 0) | |
795 | return 0; | |
796 | putdword ("ContinueDebugEvent pid", GDB_CONTINUEDEBUGEVENT, pid); | |
797 | putdword ("ContinueDebugEvent tid", GDB_CONTINUEDEBUGEVENT, tid); | |
798 | putdword ("ContinueDebugEvent status", GDB_CONTINUEDEBUGEVENT, status); | |
ca0b4d12 MS |
799 | return getresult ("ContinueDebugEvent result", |
800 | GDB_CONTINUEDEBUGEVENT, &res, NULL); | |
0f07afe1 CF |
801 | } |
802 | ||
803 | static int | |
804 | close_handle (HANDLE h) | |
805 | { | |
806 | gdb_wince_result res; | |
807 | if (s < 0) | |
808 | return 1; | |
809 | puthandle ("CloseHandle handle", GDB_CLOSEHANDLE, h); | |
ca0b4d12 MS |
810 | return (int) getresult ("CloseHandle result", |
811 | GDB_CLOSEHANDLE, &res, NULL); | |
0f07afe1 CF |
812 | } |
813 | ||
ca0b4d12 MS |
814 | /* This is not a standard Win32 interface. This function tells the |
815 | stub to terminate. | |
0f07afe1 CF |
816 | */ |
817 | static void | |
fba45db2 | 818 | stop_stub (void) |
0f07afe1 CF |
819 | { |
820 | if (s < 0) | |
821 | return; | |
822 | (void) putdword ("Stopping gdb stub", GDB_STOPSTUB, 0); | |
823 | s = -1; | |
824 | } | |
825 | ||
826 | /******************** End of emulation routines. ********************/ | |
827 | /******************** End of stub interface ********************/ | |
828 | ||
61c37cee CF |
829 | #define check_for_step(a, x) (x) |
830 | ||
831 | #ifdef MIPS | |
832 | static void | |
833 | undoSStep (thread_info * th) | |
834 | { | |
835 | if (th->stepped) | |
836 | { | |
8181d85f | 837 | remove_single_step_breakpoints (); |
61c37cee CF |
838 | th->stepped = 0; |
839 | } | |
840 | } | |
841 | ||
842 | void | |
379d08a1 AC |
843 | wince_software_single_step (enum target_signal ignore, |
844 | int insert_breakpoints_p) | |
61c37cee CF |
845 | { |
846 | unsigned long pc; | |
ca0b4d12 MS |
847 | /* Info on currently selected thread. */ |
848 | thread_info *th = current_thread; | |
61c37cee CF |
849 | CORE_ADDR mips_next_pc (CORE_ADDR pc); |
850 | ||
851 | if (!insert_breakpoints_p) | |
852 | { | |
853 | undoSStep (th); | |
854 | return; | |
855 | } | |
856 | ||
857 | th->stepped = 1; | |
858 | pc = read_register (PC_REGNUM); | |
859 | th->step_pc = mips_next_pc (pc); | |
8181d85f | 860 | insert_single_step_breakpoint (th->step_pc); |
61c37cee CF |
861 | return; |
862 | } | |
863 | #elif SHx | |
85a453d5 | 864 | /* Renesas SH architecture instruction encoding masks */ |
61c37cee CF |
865 | |
866 | #define COND_BR_MASK 0xff00 | |
867 | #define UCOND_DBR_MASK 0xe000 | |
868 | #define UCOND_RBR_MASK 0xf0df | |
869 | #define TRAPA_MASK 0xff00 | |
870 | ||
871 | #define COND_DISP 0x00ff | |
872 | #define UCOND_DISP 0x0fff | |
873 | #define UCOND_REG 0x0f00 | |
874 | ||
85a453d5 | 875 | /* Renesas SH instruction opcodes */ |
61c37cee CF |
876 | |
877 | #define BF_INSTR 0x8b00 | |
878 | #define BT_INSTR 0x8900 | |
879 | #define BRA_INSTR 0xa000 | |
880 | #define BSR_INSTR 0xb000 | |
881 | #define JMP_INSTR 0x402b | |
882 | #define JSR_INSTR 0x400b | |
883 | #define RTS_INSTR 0x000b | |
884 | #define RTE_INSTR 0x002b | |
885 | #define TRAPA_INSTR 0xc300 | |
886 | #define SSTEP_INSTR 0xc3ff | |
887 | ||
888 | ||
889 | #define T_BIT_MASK 0x0001 | |
890 | ||
891 | static CORE_ADDR | |
892 | sh_get_next_pc (CONTEXT *c) | |
893 | { | |
894 | short *instrMem; | |
895 | int displacement; | |
896 | int reg; | |
897 | unsigned short opcode; | |
898 | ||
899 | instrMem = (short *) c->Fir; | |
900 | ||
901 | opcode = read_memory_integer ((CORE_ADDR) c->Fir, sizeof (opcode)); | |
902 | ||
903 | if ((opcode & COND_BR_MASK) == BT_INSTR) | |
904 | { | |
905 | if (c->Psr & T_BIT_MASK) | |
906 | { | |
907 | displacement = (opcode & COND_DISP) << 1; | |
908 | if (displacement & 0x80) | |
909 | displacement |= 0xffffff00; | |
910 | /* | |
911 | * Remember PC points to second instr. | |
912 | * after PC of branch ... so add 4 | |
913 | */ | |
914 | instrMem = (short *) (c->Fir + displacement + 4); | |
915 | } | |
916 | else | |
917 | instrMem += 1; | |
918 | } | |
919 | else if ((opcode & COND_BR_MASK) == BF_INSTR) | |
920 | { | |
921 | if (c->Psr & T_BIT_MASK) | |
922 | instrMem += 1; | |
923 | else | |
924 | { | |
925 | displacement = (opcode & COND_DISP) << 1; | |
926 | if (displacement & 0x80) | |
927 | displacement |= 0xffffff00; | |
928 | /* | |
929 | * Remember PC points to second instr. | |
930 | * after PC of branch ... so add 4 | |
931 | */ | |
932 | instrMem = (short *) (c->Fir + displacement + 4); | |
933 | } | |
934 | } | |
935 | else if ((opcode & UCOND_DBR_MASK) == BRA_INSTR) | |
936 | { | |
937 | displacement = (opcode & UCOND_DISP) << 1; | |
938 | if (displacement & 0x0800) | |
939 | displacement |= 0xfffff000; | |
940 | ||
941 | /* | |
942 | * Remember PC points to second instr. | |
943 | * after PC of branch ... so add 4 | |
944 | */ | |
945 | instrMem = (short *) (c->Fir + displacement + 4); | |
946 | } | |
947 | else if ((opcode & UCOND_RBR_MASK) == JSR_INSTR) | |
948 | { | |
949 | reg = (char) ((opcode & UCOND_REG) >> 8); | |
950 | ||
951 | instrMem = (short *) *regptr (c, reg); | |
952 | } | |
953 | else if (opcode == RTS_INSTR) | |
954 | instrMem = (short *) c->PR; | |
955 | else if (opcode == RTE_INSTR) | |
956 | instrMem = (short *) *regptr (c, 15); | |
957 | else if ((opcode & TRAPA_MASK) == TRAPA_INSTR) | |
958 | instrMem = (short *) ((opcode & ~TRAPA_MASK) << 2); | |
959 | else | |
960 | instrMem += 1; | |
961 | ||
962 | return (CORE_ADDR) instrMem; | |
963 | } | |
964 | /* Single step (in a painstaking fashion) by inspecting the current | |
965 | instruction and setting a breakpoint on the "next" instruction | |
966 | which would be executed. This code hails from sh-stub.c. | |
967 | */ | |
968 | static void | |
969 | undoSStep (thread_info * th) | |
970 | { | |
971 | if (th->stepped) | |
972 | { | |
8181d85f | 973 | remove_single_step_breakpoints (); |
61c37cee CF |
974 | th->stepped = 0; |
975 | } | |
976 | return; | |
977 | } | |
978 | ||
979 | /* Single step (in a painstaking fashion) by inspecting the current | |
980 | instruction and setting a breakpoint on the "next" instruction | |
981 | which would be executed. This code hails from sh-stub.c. | |
982 | */ | |
983 | void | |
379d08a1 AC |
984 | wince_software_single_step (enum target_signal ignore, |
985 | int insert_breakpoints_p) | |
61c37cee | 986 | { |
ca0b4d12 MS |
987 | /* Info on currently selected thread. */ |
988 | thread_info *th = current_thread; | |
61c37cee CF |
989 | |
990 | if (!insert_breakpoints_p) | |
991 | { | |
992 | undoSStep (th); | |
993 | return; | |
994 | } | |
995 | ||
996 | th->stepped = 1; | |
997 | th->step_pc = sh_get_next_pc (&th->context); | |
8181d85f | 998 | insert_single_step_breakpoint (th->step_pc); |
61c37cee CF |
999 | return; |
1000 | } | |
1001 | #elif defined (ARM) | |
1002 | #undef check_for_step | |
1003 | ||
1004 | static enum target_signal | |
1005 | check_for_step (DEBUG_EVENT *ev, enum target_signal x) | |
1006 | { | |
1007 | thread_info *th = thread_rec (ev->dwThreadId, 1); | |
1008 | ||
1009 | if (th->stepped && | |
1010 | th->step_pc == (CORE_ADDR) ev->u.Exception.ExceptionRecord.ExceptionAddress) | |
1011 | return TARGET_SIGNAL_TRAP; | |
1012 | else | |
1013 | return x; | |
1014 | } | |
1015 | ||
1016 | /* Single step (in a painstaking fashion) by inspecting the current | |
1017 | instruction and setting a breakpoint on the "next" instruction | |
1018 | which would be executed. This code hails from sh-stub.c. | |
1019 | */ | |
1020 | static void | |
1021 | undoSStep (thread_info * th) | |
1022 | { | |
1023 | if (th->stepped) | |
1024 | { | |
8181d85f | 1025 | remove_single_step_breakpoints (); |
61c37cee CF |
1026 | th->stepped = 0; |
1027 | } | |
1028 | } | |
1029 | ||
1030 | void | |
379d08a1 AC |
1031 | wince_software_single_step (enum target_signal ignore, |
1032 | int insert_breakpoints_p) | |
61c37cee CF |
1033 | { |
1034 | unsigned long pc; | |
ca0b4d12 MS |
1035 | /* Info on currently selected thread. */ |
1036 | thread_info *th = current_thread; | |
61c37cee CF |
1037 | CORE_ADDR mips_next_pc (CORE_ADDR pc); |
1038 | ||
1039 | if (!insert_breakpoints_p) | |
1040 | { | |
1041 | undoSStep (th); | |
1042 | return; | |
1043 | } | |
1044 | ||
1045 | th->stepped = 1; | |
1046 | pc = read_register (PC_REGNUM); | |
1047 | th->step_pc = arm_get_next_pc (pc); | |
8181d85f | 1048 | insert_single_step_breakpoint (th->step_pc); |
61c37cee CF |
1049 | return; |
1050 | } | |
1051 | #endif | |
1052 | ||
0f07afe1 | 1053 | /* Find a thread record given a thread id. |
ca0b4d12 MS |
1054 | If get_context then also retrieve the context for this thread. */ |
1055 | ||
0f07afe1 CF |
1056 | static thread_info * |
1057 | thread_rec (DWORD id, int get_context) | |
1058 | { | |
1059 | thread_info *th; | |
1060 | ||
1061 | for (th = &thread_head; (th = th->next) != NULL;) | |
1062 | if (th->id == id) | |
1063 | { | |
1064 | if (!th->suspend_count && get_context) | |
1065 | { | |
1066 | if (get_context > 0 && th != this_thread) | |
1067 | th->suspend_count = suspend_thread (th->h) + 1; | |
1068 | else if (get_context < 0) | |
1069 | th->suspend_count = -1; | |
1070 | ||
1071 | th->context.ContextFlags = CONTEXT_DEBUGGER; | |
1072 | get_thread_context (th->h, &th->context); | |
1073 | } | |
1074 | return th; | |
1075 | } | |
0f07afe1 CF |
1076 | return NULL; |
1077 | } | |
1078 | ||
ca0b4d12 | 1079 | /* Add a thread to the thread list. */ |
0f07afe1 CF |
1080 | static thread_info * |
1081 | child_add_thread (DWORD id, HANDLE h) | |
1082 | { | |
1083 | thread_info *th; | |
1084 | ||
1085 | if ((th = thread_rec (id, FALSE))) | |
1086 | return th; | |
1087 | ||
1088 | th = (thread_info *) xmalloc (sizeof (*th)); | |
1089 | memset (th, 0, sizeof (*th)); | |
1090 | th->id = id; | |
1091 | th->h = h; | |
1092 | th->next = thread_head.next; | |
1093 | thread_head.next = th; | |
1094 | add_thread (id); | |
1095 | return th; | |
1096 | } | |
1097 | ||
1098 | /* Clear out any old thread list and reintialize it to a | |
ca0b4d12 | 1099 | pristine state. */ |
0f07afe1 | 1100 | static void |
fba45db2 | 1101 | child_init_thread_list (void) |
0f07afe1 CF |
1102 | { |
1103 | thread_info *th = &thread_head; | |
1104 | ||
1105 | DEBUG_EVENTS (("gdb: child_init_thread_list\n")); | |
1106 | init_thread_list (); | |
1107 | while (th->next != NULL) | |
1108 | { | |
1109 | thread_info *here = th->next; | |
1110 | th->next = here->next; | |
1111 | (void) close_handle (here->h); | |
b8c9b27d | 1112 | xfree (here); |
0f07afe1 CF |
1113 | } |
1114 | } | |
1115 | ||
ca0b4d12 | 1116 | /* Delete a thread from the list of threads. */ |
0f07afe1 CF |
1117 | static void |
1118 | child_delete_thread (DWORD id) | |
1119 | { | |
1120 | thread_info *th; | |
1121 | ||
1122 | if (info_verbose) | |
1123 | printf_unfiltered ("[Deleting %s]\n", target_pid_to_str (id)); | |
1124 | delete_thread (id); | |
1125 | ||
1126 | for (th = &thread_head; | |
1127 | th->next != NULL && th->next->id != id; | |
1128 | th = th->next) | |
1129 | continue; | |
1130 | ||
1131 | if (th->next != NULL) | |
1132 | { | |
1133 | thread_info *here = th->next; | |
1134 | th->next = here->next; | |
1135 | close_handle (here->h); | |
b8c9b27d | 1136 | xfree (here); |
0f07afe1 CF |
1137 | } |
1138 | } | |
1139 | ||
1140 | static void | |
1141 | check (BOOL ok, const char *file, int line) | |
1142 | { | |
1143 | if (!ok) | |
ca0b4d12 MS |
1144 | printf_filtered ("error return %s:%d was %d\n", |
1145 | file, line, GetLastError ()); | |
0f07afe1 CF |
1146 | } |
1147 | ||
0f07afe1 CF |
1148 | static void |
1149 | do_child_fetch_inferior_registers (int r) | |
1150 | { | |
1151 | if (r >= 0) | |
1152 | { | |
23a6d369 AC |
1153 | regcache_raw_supply (current_regcache, r, |
1154 | (char *) regptr (¤t_thread->context, r)); | |
0f07afe1 CF |
1155 | } |
1156 | else | |
1157 | { | |
1158 | for (r = 0; r < NUM_REGS; r++) | |
1159 | do_child_fetch_inferior_registers (r); | |
1160 | } | |
1161 | } | |
1162 | ||
1163 | static void | |
1164 | child_fetch_inferior_registers (int r) | |
1165 | { | |
39f77062 | 1166 | current_thread = thread_rec (PIDGET (inferior_ptid), TRUE); |
0f07afe1 CF |
1167 | do_child_fetch_inferior_registers (r); |
1168 | } | |
1169 | ||
1170 | static void | |
1171 | do_child_store_inferior_registers (int r) | |
1172 | { | |
1173 | if (r >= 0) | |
4caf0990 | 1174 | deprecated_read_register_gen (r, ((char *) ¤t_thread->context) + mappings[r]); |
0f07afe1 CF |
1175 | else |
1176 | { | |
1177 | for (r = 0; r < NUM_REGS; r++) | |
1178 | do_child_store_inferior_registers (r); | |
1179 | } | |
1180 | } | |
1181 | ||
ca0b4d12 | 1182 | /* Store a new register value into the current thread context. */ |
0f07afe1 CF |
1183 | static void |
1184 | child_store_inferior_registers (int r) | |
1185 | { | |
39f77062 | 1186 | current_thread = thread_rec (PIDGET (inferior_ptid), TRUE); |
0f07afe1 CF |
1187 | do_child_store_inferior_registers (r); |
1188 | } | |
1189 | ||
1190 | /* Wait for child to do something. Return pid of child, or -1 in case | |
1191 | of error; store status through argument pointer OURSTATUS. */ | |
1192 | ||
1193 | static int | |
9ff2efe5 | 1194 | handle_load_dll (void *dummy) |
0f07afe1 CF |
1195 | { |
1196 | LOAD_DLL_DEBUG_INFO *event = ¤t_event.u.LoadDll; | |
1197 | char dll_buf[MAX_PATH + 1]; | |
1198 | char *p, *bufp, *imgp, *dll_name, *dll_basename; | |
1199 | int len; | |
1200 | ||
1201 | dll_buf[0] = dll_buf[sizeof (dll_buf) - 1] = '\0'; | |
1202 | if (!event->lpImageName) | |
1203 | return 1; | |
1204 | ||
1205 | len = 0; | |
1206 | for (bufp = dll_buf, imgp = event->lpImageName; | |
1207 | bufp < dll_buf + sizeof (dll_buf); | |
1208 | bufp += 16, imgp += 16) | |
1209 | { | |
1210 | gdb_wince_len nbytes = 0; | |
1211 | (void) read_process_memory (current_process_handle, | |
1212 | imgp, bufp, 16, &nbytes); | |
1213 | ||
1214 | if (!nbytes && bufp == dll_buf) | |
1215 | return 1; /* couldn't read it */ | |
1216 | for (p = bufp; p < bufp + nbytes; p++) | |
1217 | { | |
1218 | len++; | |
1219 | if (*p == '\0') | |
1220 | goto out; | |
1221 | if (event->fUnicode) | |
1222 | p++; | |
1223 | } | |
1224 | if (!nbytes) | |
1225 | break; | |
1226 | } | |
1227 | ||
1228 | out: | |
1229 | if (!len) | |
1230 | return 1; | |
61c37cee | 1231 | #if 0 |
0f07afe1 | 1232 | dll_buf[len] = '\0'; |
61c37cee | 1233 | #endif |
0f07afe1 CF |
1234 | dll_name = alloca (len); |
1235 | ||
1236 | if (!dll_name) | |
1237 | return 1; | |
1238 | ||
1239 | if (!event->fUnicode) | |
1240 | memcpy (dll_name, dll_buf, len); | |
1241 | else | |
ca0b4d12 MS |
1242 | WideCharToMultiByte (CP_ACP, 0, (LPCWSTR) dll_buf, |
1243 | len, dll_name, len, 0, 0); | |
0f07afe1 CF |
1244 | |
1245 | while ((p = strchr (dll_name, '\\'))) | |
1246 | *p = '/'; | |
1247 | ||
ca0b4d12 MS |
1248 | /* FIXME!! It would be nice to define one symbol which pointed to |
1249 | the front of the dll if we can't find any symbols. */ | |
0f07afe1 CF |
1250 | |
1251 | if (!(dll_basename = strrchr (dll_name, '/'))) | |
1252 | dll_basename = dll_name; | |
1253 | else | |
1254 | dll_basename++; | |
1255 | ||
1256 | /* The symbols in a dll are offset by 0x1000, which is the | |
1257 | the offset from 0 of the first byte in an image - because | |
1258 | of the file header and the section alignment. | |
1259 | ||
1260 | FIXME: Is this the real reason that we need the 0x1000 ? */ | |
1261 | ||
1262 | printf_unfiltered ("%x:%s", event->lpBaseOfDll, dll_name); | |
0f07afe1 CF |
1263 | printf_unfiltered ("\n"); |
1264 | ||
1265 | return 1; | |
1266 | } | |
1267 | ||
ca0b4d12 | 1268 | /* Handle DEBUG_STRING output from child process. */ |
0f07afe1 CF |
1269 | static void |
1270 | handle_output_debug_string (struct target_waitstatus *ourstatus) | |
1271 | { | |
1272 | char p[256]; | |
1273 | char s[255]; | |
1274 | char *q; | |
1275 | gdb_wince_len nbytes_read; | |
1276 | gdb_wince_len nbytes = current_event.u.DebugString.nDebugStringLength; | |
1277 | ||
1278 | if (nbytes > 255) | |
1279 | nbytes = 255; | |
1280 | ||
1281 | memset (p, 0, sizeof (p)); | |
1282 | if (!read_process_memory (current_process_handle, | |
1283 | current_event.u.DebugString.lpDebugStringData, | |
1284 | &p, nbytes, &nbytes_read) | |
1285 | || !*p) | |
1286 | return; | |
1287 | ||
1288 | memset (s, 0, sizeof (s)); | |
ca0b4d12 MS |
1289 | WideCharToMultiByte (CP_ACP, 0, (LPCWSTR) p, (int) nbytes_read, |
1290 | s, sizeof (s) - 1, NULL, NULL); | |
0f07afe1 CF |
1291 | q = strchr (s, '\n'); |
1292 | if (q != NULL) | |
1293 | { | |
1294 | *q = '\0'; | |
1295 | if (*--q = '\r') | |
1296 | *q = '\0'; | |
1297 | } | |
1298 | ||
1299 | warning (s); | |
61c37cee | 1300 | |
0f07afe1 CF |
1301 | return; |
1302 | } | |
1303 | ||
ca0b4d12 | 1304 | /* Handle target exceptions. */ |
0f07afe1 CF |
1305 | static int |
1306 | handle_exception (struct target_waitstatus *ourstatus) | |
1307 | { | |
61c37cee | 1308 | #if 0 |
0f07afe1 CF |
1309 | if (current_event.u.Exception.dwFirstChance) |
1310 | return 0; | |
61c37cee | 1311 | #endif |
0f07afe1 CF |
1312 | |
1313 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
1314 | ||
0f07afe1 CF |
1315 | switch (current_event.u.Exception.ExceptionRecord.ExceptionCode) |
1316 | { | |
1317 | case EXCEPTION_ACCESS_VIOLATION: | |
1318 | DEBUG_EXCEPT (("gdb: Target exception ACCESS_VIOLATION at 0x%08x\n", | |
1319 | (unsigned) current_event.u.Exception.ExceptionRecord.ExceptionAddress)); | |
1320 | ourstatus->value.sig = TARGET_SIGNAL_SEGV; | |
1321 | break; | |
1322 | case STATUS_STACK_OVERFLOW: | |
1323 | DEBUG_EXCEPT (("gdb: Target exception STACK_OVERFLOW at 0x%08x\n", | |
1324 | (unsigned) current_event.u.Exception.ExceptionRecord.ExceptionAddress)); | |
1325 | ourstatus->value.sig = TARGET_SIGNAL_SEGV; | |
1326 | break; | |
1327 | case EXCEPTION_BREAKPOINT: | |
1328 | DEBUG_EXCEPT (("gdb: Target exception BREAKPOINT at 0x%08x\n", | |
1329 | (unsigned) current_event.u.Exception.ExceptionRecord.ExceptionAddress)); | |
1330 | ourstatus->value.sig = TARGET_SIGNAL_TRAP; | |
1331 | break; | |
1332 | case DBG_CONTROL_C: | |
1333 | DEBUG_EXCEPT (("gdb: Target exception CONTROL_C at 0x%08x\n", | |
1334 | (unsigned) current_event.u.Exception.ExceptionRecord.ExceptionAddress)); | |
1335 | ourstatus->value.sig = TARGET_SIGNAL_INT; | |
ca0b4d12 MS |
1336 | /* User typed CTRL-C. Continue with this status. */ |
1337 | last_sig = SIGINT; /* FIXME - should check pass state. */ | |
0f07afe1 CF |
1338 | break; |
1339 | case EXCEPTION_SINGLE_STEP: | |
1340 | DEBUG_EXCEPT (("gdb: Target exception SINGLE_STEP at 0x%08x\n", | |
1341 | (unsigned) current_event.u.Exception.ExceptionRecord.ExceptionAddress)); | |
1342 | ourstatus->value.sig = TARGET_SIGNAL_TRAP; | |
1343 | break; | |
61c37cee CF |
1344 | case EXCEPTION_ILLEGAL_INSTRUCTION: |
1345 | DEBUG_EXCEPT (("gdb: Target exception SINGLE_ILL at 0x%08x\n", | |
ca0b4d12 MS |
1346 | /* (unsigned)? */ current_event.u.Exception.ExceptionRecord.ExceptionAddress)); |
1347 | ourstatus->value.sig = check_for_step (¤t_event, | |
1348 | TARGET_SIGNAL_ILL); | |
61c37cee | 1349 | break; |
0f07afe1 CF |
1350 | default: |
1351 | /* This may be a structured exception handling exception. In | |
61c37cee CF |
1352 | that case, we want to let the program try to handle it, and |
1353 | only break if we see the exception a second time. */ | |
0f07afe1 | 1354 | |
ca0b4d12 MS |
1355 | printf_unfiltered |
1356 | ("gdb: unknown target exception 0x%08x at 0x%08x\n", | |
1357 | current_event.u.Exception.ExceptionRecord.ExceptionCode, | |
1358 | current_event.u.Exception.ExceptionRecord.ExceptionAddress); | |
0f07afe1 CF |
1359 | ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN; |
1360 | break; | |
1361 | } | |
1362 | exception_count++; | |
1363 | return 1; | |
1364 | } | |
1365 | ||
1366 | /* Resume all artificially suspended threads if we are continuing | |
ca0b4d12 | 1367 | execution. */ |
0f07afe1 CF |
1368 | static BOOL |
1369 | child_continue (DWORD continue_status, int id) | |
1370 | { | |
1371 | int i; | |
1372 | thread_info *th; | |
1373 | BOOL res; | |
1374 | ||
1375 | DEBUG_EVENTS (("ContinueDebugEvent (cpid=%d, ctid=%d, DBG_CONTINUE);\n", | |
ca0b4d12 MS |
1376 | (unsigned) current_event.dwProcessId, |
1377 | (unsigned) current_event.dwThreadId)); | |
0f07afe1 CF |
1378 | res = continue_debug_event (current_event.dwProcessId, |
1379 | current_event.dwThreadId, | |
1380 | continue_status); | |
1381 | if (res) | |
1382 | for (th = &thread_head; (th = th->next) != NULL;) | |
1383 | if (((id == -1) || (id == th->id)) && th->suspend_count) | |
1384 | { | |
1385 | for (i = 0; i < th->suspend_count; i++) | |
1386 | (void) resume_thread (th->h); | |
1387 | th->suspend_count = 0; | |
1388 | } | |
1389 | ||
1390 | return res; | |
1391 | } | |
1392 | ||
1393 | /* Get the next event from the child. Return 1 if the event requires | |
1394 | handling by WFI (or whatever). | |
1395 | */ | |
1396 | static int | |
61c37cee CF |
1397 | get_child_debug_event (int pid, struct target_waitstatus *ourstatus, |
1398 | DWORD target_event_code, int *retval) | |
0f07afe1 | 1399 | { |
61c37cee | 1400 | int breakout = 0; |
0f07afe1 | 1401 | BOOL debug_event; |
61c37cee CF |
1402 | DWORD continue_status, event_code; |
1403 | thread_info *th = NULL; | |
1404 | static thread_info dummy_thread_info; | |
0f07afe1 CF |
1405 | |
1406 | if (!(debug_event = wait_for_debug_event (¤t_event, 1000))) | |
1407 | { | |
61c37cee | 1408 | *retval = 0; |
0f07afe1 CF |
1409 | goto out; |
1410 | } | |
1411 | ||
0f07afe1 CF |
1412 | event_count++; |
1413 | continue_status = DBG_CONTINUE; | |
1414 | *retval = 0; | |
61c37cee CF |
1415 | |
1416 | event_code = current_event.dwDebugEventCode; | |
1417 | breakout = event_code == target_event_code; | |
1418 | ||
1419 | switch (event_code) | |
0f07afe1 CF |
1420 | { |
1421 | case CREATE_THREAD_DEBUG_EVENT: | |
1422 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%x code=%s)\n", | |
1423 | (unsigned) current_event.dwProcessId, | |
1424 | (unsigned) current_event.dwThreadId, | |
1425 | "CREATE_THREAD_DEBUG_EVENT")); | |
1426 | /* Record the existence of this thread */ | |
61c37cee CF |
1427 | th = child_add_thread (current_event.dwThreadId, |
1428 | current_event.u.CreateThread.hThread); | |
0f07afe1 CF |
1429 | if (info_verbose) |
1430 | printf_unfiltered ("[New %s]\n", | |
1431 | target_pid_to_str (current_event.dwThreadId)); | |
1432 | break; | |
1433 | ||
1434 | case EXIT_THREAD_DEBUG_EVENT: | |
1435 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", | |
1436 | (unsigned) current_event.dwProcessId, | |
1437 | (unsigned) current_event.dwThreadId, | |
1438 | "EXIT_THREAD_DEBUG_EVENT")); | |
1439 | child_delete_thread (current_event.dwThreadId); | |
61c37cee | 1440 | th = &dummy_thread_info; |
0f07afe1 CF |
1441 | break; |
1442 | ||
1443 | case CREATE_PROCESS_DEBUG_EVENT: | |
1444 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", | |
1445 | (unsigned) current_event.dwProcessId, | |
1446 | (unsigned) current_event.dwThreadId, | |
1447 | "CREATE_PROCESS_DEBUG_EVENT")); | |
1448 | current_process_handle = current_event.u.CreateProcessInfo.hProcess; | |
1449 | ||
39f77062 KB |
1450 | main_thread_id = current_event.dwThreadId; |
1451 | inferior_ptid = pid_to_ptid (main_thread_id); | |
0f07afe1 | 1452 | /* Add the main thread */ |
39f77062 | 1453 | th = child_add_thread (PIDGET (inferior_ptid), |
61c37cee | 1454 | current_event.u.CreateProcessInfo.hThread); |
0f07afe1 CF |
1455 | break; |
1456 | ||
1457 | case EXIT_PROCESS_DEBUG_EVENT: | |
1458 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", | |
1459 | (unsigned) current_event.dwProcessId, | |
1460 | (unsigned) current_event.dwThreadId, | |
1461 | "EXIT_PROCESS_DEBUG_EVENT")); | |
1462 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
1463 | ourstatus->value.integer = current_event.u.ExitProcess.dwExitCode; | |
1464 | close_handle (current_process_handle); | |
1465 | *retval = current_event.dwProcessId; | |
61c37cee CF |
1466 | breakout = 1; |
1467 | break; | |
0f07afe1 CF |
1468 | |
1469 | case LOAD_DLL_DEBUG_EVENT: | |
1470 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", | |
1471 | (unsigned) current_event.dwProcessId, | |
1472 | (unsigned) current_event.dwThreadId, | |
1473 | "LOAD_DLL_DEBUG_EVENT")); | |
ca0b4d12 MS |
1474 | catch_errors (handle_load_dll, NULL, |
1475 | (char *) "", RETURN_MASK_ALL); | |
0f07afe1 CF |
1476 | registers_changed (); /* mark all regs invalid */ |
1477 | break; | |
1478 | ||
1479 | case UNLOAD_DLL_DEBUG_EVENT: | |
1480 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", | |
1481 | (unsigned) current_event.dwProcessId, | |
1482 | (unsigned) current_event.dwThreadId, | |
1483 | "UNLOAD_DLL_DEBUG_EVENT")); | |
1484 | break; /* FIXME: don't know what to do here */ | |
1485 | ||
1486 | case EXCEPTION_DEBUG_EVENT: | |
1487 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", | |
1488 | (unsigned) current_event.dwProcessId, | |
1489 | (unsigned) current_event.dwThreadId, | |
1490 | "EXCEPTION_DEBUG_EVENT")); | |
1491 | if (handle_exception (ourstatus)) | |
61c37cee CF |
1492 | *retval = current_event.dwThreadId; |
1493 | else | |
0f07afe1 | 1494 | { |
61c37cee CF |
1495 | continue_status = DBG_EXCEPTION_NOT_HANDLED; |
1496 | breakout = 0; | |
0f07afe1 | 1497 | } |
0f07afe1 CF |
1498 | break; |
1499 | ||
1500 | case OUTPUT_DEBUG_STRING_EVENT: /* message from the kernel */ | |
1501 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", | |
1502 | (unsigned) current_event.dwProcessId, | |
1503 | (unsigned) current_event.dwThreadId, | |
1504 | "OUTPUT_DEBUG_STRING_EVENT")); | |
61c37cee | 1505 | handle_output_debug_string ( ourstatus); |
0f07afe1 CF |
1506 | break; |
1507 | default: | |
1508 | printf_unfiltered ("gdb: kernel event for pid=%d tid=%d\n", | |
1509 | current_event.dwProcessId, | |
1510 | current_event.dwThreadId); | |
1511 | printf_unfiltered (" unknown event code %d\n", | |
1512 | current_event.dwDebugEventCode); | |
1513 | break; | |
1514 | } | |
1515 | ||
61c37cee | 1516 | if (breakout) |
ca0b4d12 MS |
1517 | this_thread = current_thread = th ?: thread_rec (current_event.dwThreadId, |
1518 | TRUE); | |
61c37cee CF |
1519 | else |
1520 | CHECK (child_continue (continue_status, -1)); | |
0f07afe1 CF |
1521 | |
1522 | out: | |
1523 | return breakout; | |
1524 | } | |
1525 | ||
ca0b4d12 | 1526 | /* Wait for interesting events to occur in the target process. */ |
39f77062 KB |
1527 | static ptid_t |
1528 | child_wait (ptid_t ptid, struct target_waitstatus *ourstatus) | |
0f07afe1 CF |
1529 | { |
1530 | DWORD event_code; | |
1531 | int retval; | |
39f77062 | 1532 | int pid = PIDGET (ptid); |
0f07afe1 CF |
1533 | |
1534 | /* We loop when we get a non-standard exception rather than return | |
1535 | with a SPURIOUS because resume can try and step or modify things, | |
1536 | which needs a current_thread->h. But some of these exceptions mark | |
1537 | the birth or death of threads, which mean that the current thread | |
ca0b4d12 | 1538 | isn't necessarily what you think it is. */ |
0f07afe1 CF |
1539 | |
1540 | while (1) | |
ca0b4d12 MS |
1541 | if (get_child_debug_event (pid, ourstatus, |
1542 | EXCEPTION_DEBUG_EVENT, &retval)) | |
39f77062 | 1543 | return pid_to_ptid (retval); |
0f07afe1 CF |
1544 | else |
1545 | { | |
1546 | int detach = 0; | |
1547 | ||
98bbd631 AC |
1548 | if (deprecated_ui_loop_hook != NULL) |
1549 | detach = deprecated_ui_loop_hook (0); | |
0f07afe1 CF |
1550 | |
1551 | if (detach) | |
1552 | child_kill_inferior (); | |
1553 | } | |
1554 | } | |
1555 | ||
1556 | /* Print status information about what we're accessing. */ | |
1557 | ||
1558 | static void | |
fba45db2 | 1559 | child_files_info (struct target_ops *ignore) |
0f07afe1 CF |
1560 | { |
1561 | printf_unfiltered ("\tUsing the running image of child %s.\n", | |
39f77062 | 1562 | target_pid_to_str (inferior_ptid)); |
0f07afe1 CF |
1563 | } |
1564 | ||
0f07afe1 | 1565 | static void |
fba45db2 | 1566 | child_open (char *arg, int from_tty) |
0f07afe1 | 1567 | { |
8a3fe4f8 | 1568 | error (_("Use the \"run\" command to start a child process.")); |
0f07afe1 CF |
1569 | } |
1570 | ||
1571 | #define FACTOR (0x19db1ded53ea710LL) | |
1572 | #define NSPERSEC 10000000 | |
1573 | ||
ca0b4d12 | 1574 | /* Convert a Win32 time to "UNIX" format. */ |
0f07afe1 CF |
1575 | long |
1576 | to_time_t (FILETIME * ptr) | |
1577 | { | |
1578 | /* A file time is the number of 100ns since jan 1 1601 | |
1579 | stuffed into two long words. | |
1580 | A time_t is the number of seconds since jan 1 1970. */ | |
1581 | ||
1582 | long rem; | |
1583 | long long x = ((long long) ptr->dwHighDateTime << 32) + ((unsigned) ptr->dwLowDateTime); | |
ca0b4d12 | 1584 | x -= FACTOR; /* Number of 100ns between 1601 and 1970. */ |
0f07afe1 CF |
1585 | rem = x % ((long long) NSPERSEC); |
1586 | rem += (NSPERSEC / 2); | |
ca0b4d12 | 1587 | x /= (long long) NSPERSEC; /* Number of 100ns in a second. */ |
0f07afe1 CF |
1588 | x += (long long) (rem / NSPERSEC); |
1589 | return x; | |
1590 | } | |
1591 | ||
1592 | /* Upload a file to the remote device depending on the user's | |
ca0b4d12 | 1593 | 'set remoteupload' specification. */ |
0f07afe1 CF |
1594 | char * |
1595 | upload_to_device (const char *to, const char *from) | |
1596 | { | |
1597 | HANDLE h; | |
61c37cee | 1598 | const char *dir = remote_directory ?: "\\gdb"; |
0f07afe1 CF |
1599 | int len; |
1600 | static char *remotefile = NULL; | |
1601 | LPWSTR wstr; | |
1602 | char *p; | |
1603 | DWORD err; | |
1604 | const char *in_to = to; | |
61c37cee CF |
1605 | FILETIME crtime, actime, wrtime; |
1606 | time_t utime; | |
0f07afe1 CF |
1607 | struct stat st; |
1608 | int fd; | |
1609 | ||
ca0b4d12 | 1610 | /* Look for a path separator and only use trailing part. */ |
0f07afe1 CF |
1611 | while ((p = strpbrk (to, "/\\")) != NULL) |
1612 | to = p + 1; | |
1613 | ||
1614 | if (!*to) | |
8a3fe4f8 | 1615 | error (_("no filename found to upload - %s."), in_to); |
0f07afe1 CF |
1616 | |
1617 | len = strlen (dir) + strlen (to) + 2; | |
9ff2efe5 | 1618 | remotefile = (char *) xrealloc (remotefile, len); |
0f07afe1 CF |
1619 | strcpy (remotefile, dir); |
1620 | strcat (remotefile, "\\"); | |
1621 | strcat (remotefile, to); | |
1622 | ||
1623 | if (upload_when == UPLOAD_NEVER) | |
ca0b4d12 | 1624 | return remotefile; /* Don't bother uploading. */ |
0f07afe1 | 1625 | |
ca0b4d12 MS |
1626 | /* Open the source. */ |
1627 | if ((fd = openp (getenv ("PATH"), OPF_TRY_CWD_FIRST, (char *) from, | |
1628 | O_RDONLY, 0, NULL)) < 0) | |
8a3fe4f8 | 1629 | error (_("couldn't open %s"), from); |
0f07afe1 | 1630 | |
ca0b4d12 | 1631 | /* Get the time for later comparison. */ |
0f07afe1 CF |
1632 | if (fstat (fd, &st)) |
1633 | st.st_mtime = (time_t) - 1; | |
1634 | ||
ca0b4d12 | 1635 | /* Always attempt to create the directory on the remote system. */ |
0f07afe1 CF |
1636 | wstr = towide (dir, NULL); |
1637 | (void) CeCreateDirectory (wstr, NULL); | |
1638 | ||
ca0b4d12 | 1639 | /* Attempt to open the remote file, creating it if it doesn't exist. */ |
0f07afe1 CF |
1640 | wstr = towide (remotefile, NULL); |
1641 | h = CeCreateFile (wstr, GENERIC_READ | GENERIC_WRITE, 0, NULL, | |
1642 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); | |
1643 | ||
ca0b4d12 | 1644 | /* Some kind of problem? */ |
0f07afe1 | 1645 | err = CeGetLastError (); |
61c37cee | 1646 | if (h == NULL || h == INVALID_HANDLE_VALUE) |
8a3fe4f8 | 1647 | error (_("error opening file \"%s\". Windows error %d."), |
0f07afe1 CF |
1648 | remotefile, err); |
1649 | ||
61c37cee CF |
1650 | CeGetFileTime (h, &crtime, &actime, &wrtime); |
1651 | utime = to_time_t (&wrtime); | |
1652 | #if 0 | |
1653 | if (utime < st.st_mtime) | |
1654 | { | |
1655 | char buf[80]; | |
1656 | strcpy (buf, ctime(&utime)); | |
1657 | printf ("%s < %s\n", buf, ctime(&st.st_mtime)); | |
1658 | } | |
1659 | #endif | |
ca0b4d12 | 1660 | /* See if we need to upload the file. */ |
0f07afe1 CF |
1661 | if (upload_when == UPLOAD_ALWAYS || |
1662 | err != ERROR_ALREADY_EXISTS || | |
61c37cee CF |
1663 | !CeGetFileTime (h, &crtime, &actime, &wrtime) || |
1664 | to_time_t (&wrtime) < st.st_mtime) | |
0f07afe1 CF |
1665 | { |
1666 | DWORD nbytes; | |
1667 | char buf[4096]; | |
1668 | int n; | |
1669 | ||
ca0b4d12 | 1670 | /* Upload the file. */ |
0f07afe1 CF |
1671 | while ((n = read (fd, buf, sizeof (buf))) > 0) |
1672 | if (!CeWriteFile (h, buf, (DWORD) n, &nbytes, NULL)) | |
8a3fe4f8 | 1673 | error (_("error writing to remote device - %d."), |
0f07afe1 CF |
1674 | CeGetLastError ()); |
1675 | } | |
1676 | ||
1677 | close (fd); | |
61c37cee | 1678 | if (!CeCloseHandle (h)) |
8a3fe4f8 | 1679 | error (_("error closing remote file - %d."), CeGetLastError ()); |
0f07afe1 CF |
1680 | |
1681 | return remotefile; | |
1682 | } | |
1683 | ||
ca0b4d12 | 1684 | /* Initialize the connection to the remote device. */ |
0f07afe1 | 1685 | static void |
fba45db2 | 1686 | wince_initialize (void) |
0f07afe1 CF |
1687 | { |
1688 | int tmp; | |
1689 | char args[256]; | |
1690 | char *hostname; | |
1691 | struct sockaddr_in sin; | |
1692 | char *stub_file_name; | |
1693 | int s0; | |
1694 | PROCESS_INFORMATION pi; | |
1695 | ||
1696 | if (!connection_initialized) | |
1697 | switch (CeRapiInit ()) | |
1698 | { | |
1699 | case 0: | |
1700 | connection_initialized = 1; | |
1701 | break; | |
1702 | default: | |
1703 | CeRapiUninit (); | |
8a3fe4f8 | 1704 | error (_("Can't initialize connection to remote device.")); |
0f07afe1 CF |
1705 | } |
1706 | ||
ca0b4d12 | 1707 | /* Upload the stub to the handheld device. */ |
0f07afe1 CF |
1708 | stub_file_name = upload_to_device ("wince-stub.exe", WINCE_STUB); |
1709 | strcpy (args, stub_file_name); | |
1710 | ||
1711 | if (remote_add_host) | |
1712 | { | |
1713 | strcat (args, " "); | |
1714 | hostname = strchr (args, '\0'); | |
1715 | if (gethostname (hostname, sizeof (args) - strlen (args))) | |
8a3fe4f8 | 1716 | error (_("couldn't get hostname of this system.")); |
0f07afe1 CF |
1717 | } |
1718 | ||
ca0b4d12 | 1719 | /* Get a socket. */ |
0f07afe1 CF |
1720 | if ((s0 = socket (AF_INET, SOCK_STREAM, 0)) < 0) |
1721 | stub_error ("Couldn't connect to host system."); | |
1722 | ||
ca0b4d12 | 1723 | /* Allow rapid reuse of the port. */ |
0f07afe1 | 1724 | tmp = 1; |
ca0b4d12 MS |
1725 | (void) setsockopt (s0, SOL_SOCKET, SO_REUSEADDR, |
1726 | (char *) &tmp, sizeof (tmp)); | |
0f07afe1 CF |
1727 | |
1728 | ||
ca0b4d12 | 1729 | /* Set up the information for connecting to the host gdb process. */ |
0f07afe1 CF |
1730 | memset (&sin, 0, sizeof (sin)); |
1731 | sin.sin_family = AF_INET; | |
ca0b4d12 | 1732 | sin.sin_port = htons (7000); /* FIXME: This should be configurable. */ |
0f07afe1 CF |
1733 | |
1734 | if (bind (s0, (struct sockaddr *) &sin, sizeof (sin))) | |
8a3fe4f8 | 1735 | error (_("couldn't bind socket")); |
0f07afe1 CF |
1736 | |
1737 | if (listen (s0, 1)) | |
8a3fe4f8 | 1738 | error (_("Couldn't open socket for listening.")); |
0f07afe1 | 1739 | |
ca0b4d12 MS |
1740 | /* Start up the stub on the remote device. */ |
1741 | if (!CeCreateProcess (towide (stub_file_name, NULL), | |
1742 | towide (args, NULL), | |
1743 | NULL, NULL, 0, 0, | |
1744 | NULL, NULL, NULL, &pi)) | |
8a3fe4f8 | 1745 | error (_("Unable to start remote stub '%s'. Windows CE error %d."), |
0f07afe1 CF |
1746 | stub_file_name, CeGetLastError ()); |
1747 | ||
1748 | /* Wait for a connection */ | |
1749 | ||
1750 | if ((s = accept (s0, NULL, NULL)) < 0) | |
8a3fe4f8 | 1751 | error (_("couldn't set up server for connection.")); |
0f07afe1 CF |
1752 | |
1753 | close (s0); | |
1754 | } | |
1755 | ||
39f77062 | 1756 | /* Start an inferior win32 child process and sets inferior_ptid to its pid. |
0f07afe1 CF |
1757 | EXEC_FILE is the file to run. |
1758 | ALLARGS is a string containing the arguments to the program. | |
ca0b4d12 MS |
1759 | ENV is the environment vector to pass. |
1760 | Errors reported with error(). */ | |
0f07afe1 | 1761 | static void |
c27cda74 AC |
1762 | child_create_inferior (char *exec_file, char *args, char **env, |
1763 | int from_tty) | |
0f07afe1 CF |
1764 | { |
1765 | PROCESS_INFORMATION pi; | |
1766 | struct target_waitstatus dummy; | |
1767 | int ret; | |
1768 | DWORD flags, event_code; | |
1769 | char *exec_and_args; | |
1770 | ||
1771 | if (!exec_file) | |
8a3fe4f8 | 1772 | error (_("No executable specified, use `target exec'.")); |
0f07afe1 CF |
1773 | |
1774 | flags = DEBUG_PROCESS; | |
1775 | ||
ca0b4d12 | 1776 | wince_initialize (); /* Make sure we've got a connection. */ |
0f07afe1 CF |
1777 | |
1778 | exec_file = upload_to_device (exec_file, exec_file); | |
1779 | ||
1780 | while (*args == ' ') | |
1781 | args++; | |
1782 | ||
1783 | /* Allocate space for "command<sp>args" */ | |
1784 | if (*args == '\0') | |
1785 | { | |
1786 | exec_and_args = alloca (strlen (exec_file) + 1); | |
1787 | strcpy (exec_and_args, exec_file); | |
1788 | } | |
1789 | else | |
1790 | { | |
1791 | exec_and_args = alloca (strlen (exec_file + strlen (args) + 2)); | |
1792 | sprintf (exec_and_args, "%s %s", exec_file, args); | |
1793 | } | |
1794 | ||
1795 | memset (&pi, 0, sizeof (pi)); | |
ca0b4d12 | 1796 | /* Execute the process. */ |
0f07afe1 | 1797 | if (!create_process (exec_file, exec_and_args, flags, &pi)) |
8a3fe4f8 | 1798 | error (_("Error creating process %s, (error %d)."), |
ca0b4d12 | 1799 | exec_file, GetLastError ()); |
0f07afe1 CF |
1800 | |
1801 | exception_count = 0; | |
1802 | event_count = 0; | |
1803 | ||
1804 | current_process_handle = pi.hProcess; | |
1805 | current_event.dwProcessId = pi.dwProcessId; | |
1806 | memset (¤t_event, 0, sizeof (current_event)); | |
39f77062 KB |
1807 | current_event.dwThreadId = pi.dwThreadId; |
1808 | inferior_ptid = pid_to_ptid (current_event.dwThreadId); | |
1df84f13 | 1809 | push_target (&deprecated_child_ops); |
0f07afe1 CF |
1810 | child_init_thread_list (); |
1811 | child_add_thread (pi.dwThreadId, pi.hThread); | |
1812 | init_wait_for_inferior (); | |
1813 | clear_proceed_status (); | |
1814 | target_terminal_init (); | |
1815 | target_terminal_inferior (); | |
1816 | ||
0f07afe1 | 1817 | /* Run until process and threads are loaded */ |
39f77062 | 1818 | while (!get_child_debug_event (PIDGET (inferior_ptid), &dummy, |
61c37cee CF |
1819 | CREATE_PROCESS_DEBUG_EVENT, &ret)) |
1820 | continue; | |
0f07afe1 CF |
1821 | } |
1822 | ||
ca0b4d12 | 1823 | /* Chile has gone bye-bye. */ |
0f07afe1 | 1824 | static void |
fba45db2 | 1825 | child_mourn_inferior (void) |
0f07afe1 CF |
1826 | { |
1827 | (void) child_continue (DBG_CONTINUE, -1); | |
1df84f13 | 1828 | unpush_target (&deprecated_child_ops); |
0f07afe1 CF |
1829 | stop_stub (); |
1830 | CeRapiUninit (); | |
1831 | connection_initialized = 0; | |
1832 | generic_mourn_inferior (); | |
1833 | } | |
1834 | ||
ca0b4d12 | 1835 | /* Move memory from child to/from gdb. */ |
0f07afe1 | 1836 | int |
6c932e54 | 1837 | child_xfer_memory (CORE_ADDR memaddr, gdb_byte *our, |
ca0b4d12 | 1838 | int len, int write, |
043780a1 AC |
1839 | struct mem_attrib *attrib, |
1840 | struct target_ops *target) | |
0f07afe1 CF |
1841 | { |
1842 | if (len <= 0) | |
1843 | return 0; | |
4930751a C |
1844 | |
1845 | if (write) | |
1846 | res = remote_write_bytes (memaddr, our, len); | |
1847 | else | |
1848 | res = remote_read_bytes (memaddr, our, len); | |
1849 | ||
1850 | return res; | |
0f07afe1 CF |
1851 | } |
1852 | ||
ca0b4d12 MS |
1853 | /* Terminate the process and wait for child to tell us it has |
1854 | completed. */ | |
0f07afe1 CF |
1855 | void |
1856 | child_kill_inferior (void) | |
1857 | { | |
1858 | CHECK (terminate_process (current_process_handle)); | |
1859 | ||
1860 | for (;;) | |
1861 | { | |
1862 | if (!child_continue (DBG_CONTINUE, -1)) | |
1863 | break; | |
1864 | if (!wait_for_debug_event (¤t_event, INFINITE)) | |
1865 | break; | |
1866 | if (current_event.dwDebugEventCode == EXIT_PROCESS_DEBUG_EVENT) | |
1867 | break; | |
1868 | } | |
1869 | ||
1870 | CHECK (close_handle (current_process_handle)); | |
1871 | close_handle (current_thread->h); | |
ca0b4d12 | 1872 | target_mourn_inferior (); /* or just child_mourn_inferior? */ |
0f07afe1 CF |
1873 | } |
1874 | ||
ca0b4d12 | 1875 | /* Resume the child after an exception. */ |
0f07afe1 | 1876 | void |
39f77062 | 1877 | child_resume (ptid_t ptid, int step, enum target_signal sig) |
0f07afe1 CF |
1878 | { |
1879 | thread_info *th; | |
1880 | DWORD continue_status = last_sig > 0 && last_sig < NSIG ? | |
ca0b4d12 | 1881 | DBG_EXCEPTION_NOT_HANDLED : DBG_CONTINUE; |
39f77062 | 1882 | int pid = PIDGET (ptid); |
0f07afe1 CF |
1883 | |
1884 | DEBUG_EXEC (("gdb: child_resume (pid=%d, step=%d, sig=%d);\n", | |
1885 | pid, step, sig)); | |
1886 | ||
1887 | /* Get context for currently selected thread */ | |
1888 | th = thread_rec (current_event.dwThreadId, FALSE); | |
1889 | ||
1890 | if (th->context.ContextFlags) | |
1891 | { | |
1892 | CHECK (set_thread_context (th->h, &th->context)); | |
1893 | th->context.ContextFlags = 0; | |
1894 | } | |
1895 | ||
0f07afe1 | 1896 | /* Allow continuing with the same signal that interrupted us. |
ca0b4d12 | 1897 | Otherwise complain. */ |
0f07afe1 | 1898 | if (sig && sig != last_sig) |
ca0b4d12 MS |
1899 | fprintf_unfiltered (gdb_stderr, |
1900 | "Can't send signals to the child. signal %d\n", | |
1901 | sig); | |
0f07afe1 CF |
1902 | |
1903 | last_sig = 0; | |
1904 | child_continue (continue_status, pid); | |
1905 | } | |
1906 | ||
1907 | static void | |
fba45db2 | 1908 | child_prepare_to_store (void) |
0f07afe1 CF |
1909 | { |
1910 | /* Do nothing, since we can store individual regs */ | |
1911 | } | |
1912 | ||
1913 | static int | |
fba45db2 | 1914 | child_can_run (void) |
0f07afe1 CF |
1915 | { |
1916 | return 1; | |
1917 | } | |
1918 | ||
1919 | static void | |
fba45db2 | 1920 | child_close (void) |
0f07afe1 | 1921 | { |
39f77062 | 1922 | DEBUG_EVENTS (("gdb: child_close, inferior_ptid=%d\n", |
ca0b4d12 | 1923 | PIDGET (inferior_ptid))); |
0f07afe1 CF |
1924 | } |
1925 | ||
1926 | /* Explicitly upload file to remotedir */ | |
1927 | ||
1928 | static void | |
1929 | child_load (char *file, int from_tty) | |
1930 | { | |
1931 | upload_to_device (file, file); | |
1932 | } | |
1933 | ||
0f07afe1 CF |
1934 | static void |
1935 | init_child_ops (void) | |
1936 | { | |
1df84f13 AC |
1937 | memset (&deprecated_child_ops, 0, sizeof (deprecated_child_ops)); |
1938 | deprecated_child_ops.to_shortname = (char *) "child"; | |
1939 | deprecated_child_ops.to_longname = (char *) "Windows CE process"; | |
1940 | deprecated_child_ops.to_doc = (char *) "Windows CE process (started by the \"run\" command)."; | |
1941 | deprecated_child_ops.to_open = child_open; | |
1942 | deprecated_child_ops.to_close = child_close; | |
1943 | deprecated_child_ops.to_resume = child_resume; | |
1944 | deprecated_child_ops.to_wait = child_wait; | |
1945 | deprecated_child_ops.to_fetch_registers = child_fetch_inferior_registers; | |
1946 | deprecated_child_ops.to_store_registers = child_store_inferior_registers; | |
1947 | deprecated_child_ops.to_prepare_to_store = child_prepare_to_store; | |
c8e73a31 | 1948 | deprecated_child_ops.deprecated_xfer_memory = child_xfer_memory; |
1df84f13 AC |
1949 | deprecated_child_ops.to_files_info = child_files_info; |
1950 | deprecated_child_ops.to_insert_breakpoint = memory_insert_breakpoint; | |
1951 | deprecated_child_ops.to_remove_breakpoint = memory_remove_breakpoint; | |
1952 | deprecated_child_ops.to_terminal_init = terminal_init_inferior; | |
1953 | deprecated_child_ops.to_terminal_inferior = terminal_inferior; | |
1954 | deprecated_child_ops.to_terminal_ours_for_output = terminal_ours_for_output; | |
1955 | deprecated_child_ops.to_terminal_ours = terminal_ours; | |
1956 | deprecated_child_ops.to_terminal_save_ours = terminal_save_ours; | |
1957 | deprecated_child_ops.to_terminal_info = child_terminal_info; | |
1958 | deprecated_child_ops.to_kill = child_kill_inferior; | |
1959 | deprecated_child_ops.to_load = child_load; | |
1960 | deprecated_child_ops.to_create_inferior = child_create_inferior; | |
1961 | deprecated_child_ops.to_mourn_inferior = child_mourn_inferior; | |
1962 | deprecated_child_ops.to_can_run = child_can_run; | |
1963 | deprecated_child_ops.to_thread_alive = win32_child_thread_alive; | |
1964 | deprecated_child_ops.to_stratum = process_stratum; | |
1965 | deprecated_child_ops.to_has_all_memory = 1; | |
1966 | deprecated_child_ops.to_has_memory = 1; | |
1967 | deprecated_child_ops.to_has_stack = 1; | |
1968 | deprecated_child_ops.to_has_registers = 1; | |
1969 | deprecated_child_ops.to_has_execution = 1; | |
1970 | deprecated_child_ops.to_magic = OPS_MAGIC; | |
0f07afe1 CF |
1971 | } |
1972 | ||
1973 | ||
ca0b4d12 | 1974 | /* Handle 'set remoteupload' parameter. */ |
0f07afe1 CF |
1975 | |
1976 | #define replace_upload(what) \ | |
ca0b4d12 MS |
1977 | upload_when = what; \ |
1978 | remote_upload = xrealloc (remote_upload, \ | |
1979 | strlen (upload_options[upload_when].name) + 1); \ | |
1980 | strcpy (remote_upload, upload_options[upload_when].name); | |
0f07afe1 CF |
1981 | |
1982 | static void | |
1983 | set_upload_type (char *ignore, int from_tty) | |
1984 | { | |
1985 | int i, len; | |
1986 | char *bad_option; | |
1987 | ||
1988 | if (!remote_upload || !remote_upload[0]) | |
1989 | { | |
1990 | replace_upload (UPLOAD_NEWER); | |
1991 | if (from_tty) | |
1992 | printf_unfiltered ("Upload upload_options are: always, newer, never.\n"); | |
1993 | return; | |
1994 | } | |
1995 | ||
1996 | len = strlen (remote_upload); | |
ca0b4d12 MS |
1997 | for (i = 0; |
1998 | i < (sizeof (upload_options) / sizeof (upload_options[0])); | |
1999 | i++) | |
0f07afe1 CF |
2000 | if (len >= upload_options[i].abbrev && |
2001 | strncasecmp (remote_upload, upload_options[i].name, len) == 0) | |
2002 | { | |
61c37cee | 2003 | replace_upload (i); |
0f07afe1 CF |
2004 | return; |
2005 | } | |
2006 | ||
2007 | bad_option = remote_upload; | |
2008 | replace_upload (UPLOAD_NEWER); | |
8a3fe4f8 | 2009 | error (_("Unknown upload type: %s."), bad_option); |
0f07afe1 CF |
2010 | } |
2011 | ||
2012 | void | |
a6b6b089 | 2013 | _initialize_wince (void) |
0f07afe1 CF |
2014 | { |
2015 | struct cmd_list_element *set; | |
2016 | init_child_ops (); | |
2017 | ||
26c41df3 AC |
2018 | add_setshow_string_noescape_cmd ("remotedirectory", no_class, |
2019 | &remote_directory, _("\ | |
2020 | Set directory for remote upload."), _("\ | |
2021 | Show directory for remote upload."), NULL, | |
2022 | NULL, /* FIXME: i18n: */ | |
2023 | NULL, NULL, | |
2024 | &setlist, &showlist); | |
0f07afe1 CF |
2025 | remote_directory = xstrdup (remote_directory); |
2026 | ||
26c41df3 AC |
2027 | add_setshow_string_noescape_cmd ("remoteupload", no_class, |
2028 | &remote_upload, _("\ | |
2029 | Set how to upload executables to remote device."), _("\ | |
2030 | Show how to upload executables to remote device."), NULL, | |
2031 | NULL, /* FIXME: i18n: */ | |
2032 | set_upload_type, NULL, | |
2033 | &setlist, &showlist); | |
0f07afe1 | 2034 | set_upload_type (NULL, 0); |
0f07afe1 | 2035 | |
5bf193a2 AC |
2036 | add_setshow_boolean_cmd ("debugexec", class_support, &debug_exec, _("\ |
2037 | Set whether to display execution in child process."), _("\ | |
2038 | Show whether to display execution in child process."), NULL, | |
2039 | NULL, | |
2040 | NULL, /* FIXME: i18n: */ | |
2041 | &setlist, &showlist); | |
2042 | ||
2043 | add_setshow_boolean_cmd ("remoteaddhost", class_support, | |
2044 | &remote_add_host, _("\ | |
7be0c536 | 2045 | Set whether to add this host to remote stub arguments for\n\ |
5bf193a2 AC |
2046 | debugging over a network."), _("\ |
2047 | Show whether to add this host to remote stub arguments for\n\ | |
2048 | debugging over a network."), NULL, | |
2049 | NULL, | |
2050 | NULL, /* FIXME: i18n: */ | |
2051 | &setlist, &showlist); | |
2052 | ||
2053 | add_setshow_boolean_cmd ("debugevents", class_support, &debug_events, _("\ | |
2054 | Set whether to display kernel events in child process."), _("\ | |
2055 | Show whether to display kernel events in child process."), NULL, | |
2056 | NULL, | |
2057 | NULL, /* FIXME: i18n: */ | |
2058 | &setlist, &showlist); | |
2059 | ||
2060 | add_setshow_boolean_cmd ("debugmemory", class_support, &debug_memory, _("\ | |
2061 | Set whether to display memory accesses in child process."), _("\ | |
2062 | Show whether to display memory accesses in child process."), NULL, | |
2063 | NULL, | |
2064 | NULL, /* FIXME: i18n: */ | |
2065 | &setlist, &showlist); | |
2066 | ||
2067 | add_setshow_boolean_cmd ("debugexceptions", class_support, | |
2068 | &debug_exceptions, _("\ | |
2069 | Set whether to display kernel exceptions in child process."), _("\ | |
2070 | Show whether to display kernel exceptions in child process."), NULL, | |
2071 | NULL, | |
2072 | NULL, /* FIXME: i18n: */ | |
2073 | &setlist, &showlist); | |
0f07afe1 | 2074 | |
1df84f13 | 2075 | add_target (&deprecated_child_ops); |
0f07afe1 CF |
2076 | } |
2077 | ||
ca0b4d12 MS |
2078 | /* Determine if the thread referenced by "pid" is alive by "polling" |
2079 | it. If WaitForSingleObject returns WAIT_OBJECT_0 it means that the | |
2080 | pid has died. Otherwise it is assumed to be alive. */ | |
0f07afe1 | 2081 | static int |
39f77062 | 2082 | win32_child_thread_alive (ptid_t ptid) |
0f07afe1 | 2083 | { |
39f77062 | 2084 | int pid = PIDGET (ptid); |
0f07afe1 CF |
2085 | return thread_alive (thread_rec (pid, FALSE)->h); |
2086 | } | |
2087 | ||
ca0b4d12 | 2088 | /* Convert pid to printable format. */ |
0f07afe1 CF |
2089 | char * |
2090 | cygwin_pid_to_str (int pid) | |
2091 | { | |
2092 | static char buf[80]; | |
2093 | if (pid == current_event.dwProcessId) | |
2094 | sprintf (buf, "process %d", pid); | |
2095 | else | |
ca0b4d12 MS |
2096 | sprintf (buf, "thread %d.0x%x", |
2097 | (unsigned) current_event.dwProcessId, pid); | |
0f07afe1 CF |
2098 | return buf; |
2099 | } |