Commit | Line | Data |
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24e60978 | 1 | /* Target-vector operations for controlling win32 child processes, for GDB. |
0a65a603 AC |
2 | |
3 | Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free | |
4 | Software Foundation, Inc. | |
5 | ||
e6433c28 | 6 | Contributed by Cygnus Solutions, A Red Hat Company. |
e88c49c3 | 7 | |
24e60978 SC |
8 | This file is part of GDB. |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without eve nthe implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software | |
3a4b77d8 | 22 | Foundation, Inc., 59 Temple Place - Suite 330, |
4e052eda | 23 | Boston, MA 02111-1307, USA. */ |
24e60978 SC |
24 | |
25 | /* by Steve Chamberlain, sac@cygnus.com */ | |
26 | ||
3cee93ac | 27 | /* We assume we're being built with and will be used for cygwin. */ |
e88c49c3 | 28 | |
24e60978 | 29 | #include "defs.h" |
97da3b20 | 30 | #include "tm.h" /* required for SSE registers */ |
24e60978 SC |
31 | #include "frame.h" /* required by inferior.h */ |
32 | #include "inferior.h" | |
33 | #include "target.h" | |
24e60978 SC |
34 | #include "gdbcore.h" |
35 | #include "command.h" | |
fa58ee11 | 36 | #include "completer.h" |
4e052eda | 37 | #include "regcache.h" |
2a3d5645 | 38 | #include "top.h" |
c25b74ac | 39 | #include "i386-tdep.h" |
24e60978 SC |
40 | #include <signal.h> |
41 | #include <sys/types.h> | |
42 | #include <fcntl.h> | |
cad9cd60 | 43 | #include <stdlib.h> |
cad9cd60 | 44 | #include <windows.h> |
1e37c281 | 45 | #include <imagehlp.h> |
29fe111d | 46 | #include <sys/cygwin.h> |
cad9cd60 | 47 | |
24e60978 | 48 | #include "buildsym.h" |
1ef980b9 SC |
49 | #include "symfile.h" |
50 | #include "objfiles.h" | |
24e60978 | 51 | #include "gdb_string.h" |
fdfa3315 | 52 | #include "gdbthread.h" |
24e60978 | 53 | #include "gdbcmd.h" |
1750a5ef | 54 | #include <sys/param.h> |
1e37c281 | 55 | #include <unistd.h> |
24e60978 | 56 | |
0714f9bf | 57 | /* The ui's event loop. */ |
507f3c78 | 58 | extern int (*ui_loop_hook) (int signo); |
0714f9bf SS |
59 | |
60 | /* If we're not using the old Cygwin header file set, define the | |
61 | following which never should have been in the generic Win32 API | |
62 | headers in the first place since they were our own invention... */ | |
63 | #ifndef _GNU_H_WINDOWS_H | |
9d3789f7 | 64 | enum |
8e860359 CF |
65 | { |
66 | FLAG_TRACE_BIT = 0x100, | |
67 | CONTEXT_DEBUGGER = (CONTEXT_FULL | CONTEXT_FLOATING_POINT) | |
68 | }; | |
0714f9bf | 69 | #endif |
8e860359 CF |
70 | #include <sys/procfs.h> |
71 | #include <psapi.h> | |
0714f9bf | 72 | |
97da3b20 | 73 | #ifdef HAVE_SSE_REGS |
fa4ba8da PM |
74 | #define CONTEXT_DEBUGGER_DR CONTEXT_DEBUGGER | CONTEXT_DEBUG_REGISTERS \ |
75 | | CONTEXT_EXTENDED_REGISTERS | |
97da3b20 | 76 | #else |
fa4ba8da | 77 | #define CONTEXT_DEBUGGER_DR CONTEXT_DEBUGGER | CONTEXT_DEBUG_REGISTERS |
97da3b20 CF |
78 | #endif |
79 | ||
fa4ba8da PM |
80 | static unsigned dr[8]; |
81 | static int debug_registers_changed = 0; | |
82 | static int debug_registers_used = 0; | |
97da3b20 | 83 | |
3cee93ac CF |
84 | /* The string sent by cygwin when it processes a signal. |
85 | FIXME: This should be in a cygwin include file. */ | |
86 | #define CYGWIN_SIGNAL_STRING "cygwin: signal" | |
87 | ||
29fe111d | 88 | #define CHECK(x) check (x, __FILE__,__LINE__) |
1ef980b9 SC |
89 | #define DEBUG_EXEC(x) if (debug_exec) printf x |
90 | #define DEBUG_EVENTS(x) if (debug_events) printf x | |
91 | #define DEBUG_MEM(x) if (debug_memory) printf x | |
92 | #define DEBUG_EXCEPT(x) if (debug_exceptions) printf x | |
24e60978 SC |
93 | |
94 | /* Forward declaration */ | |
95 | extern struct target_ops child_ops; | |
96 | ||
a14ed312 | 97 | static void child_stop (void); |
39f77062 | 98 | static int win32_child_thread_alive (ptid_t); |
a14ed312 | 99 | void child_kill_inferior (void); |
3cee93ac | 100 | |
7393af7c PM |
101 | static enum target_signal last_sig = TARGET_SIGNAL_0; |
102 | /* Set if a signal was received from the debugged process */ | |
103 | ||
3cee93ac CF |
104 | /* Thread information structure used to track information that is |
105 | not available in gdb's thread structure. */ | |
106 | typedef struct thread_info_struct | |
3a4b77d8 JM |
107 | { |
108 | struct thread_info_struct *next; | |
109 | DWORD id; | |
110 | HANDLE h; | |
111 | char *name; | |
112 | int suspend_count; | |
113 | CONTEXT context; | |
1e37c281 | 114 | STACKFRAME sf; |
8e860359 CF |
115 | } |
116 | thread_info; | |
1e37c281 | 117 | |
29fe111d | 118 | static thread_info thread_head; |
24e60978 | 119 | |
24e60978 SC |
120 | /* The process and thread handles for the above context. */ |
121 | ||
3cee93ac CF |
122 | static DEBUG_EVENT current_event; /* The current debug event from |
123 | WaitForDebugEvent */ | |
124 | static HANDLE current_process_handle; /* Currently executing process */ | |
125 | static thread_info *current_thread; /* Info on currently selected thread */ | |
3a4b77d8 | 126 | static DWORD main_thread_id; /* Thread ID of the main thread */ |
24e60978 SC |
127 | |
128 | /* Counts of things. */ | |
129 | static int exception_count = 0; | |
130 | static int event_count = 0; | |
131 | ||
132 | /* User options. */ | |
133 | static int new_console = 0; | |
1e37c281 | 134 | static int new_group = 1; |
3a4b77d8 JM |
135 | static int debug_exec = 0; /* show execution */ |
136 | static int debug_events = 0; /* show events from kernel */ | |
137 | static int debug_memory = 0; /* show target memory accesses */ | |
1ef980b9 | 138 | static int debug_exceptions = 0; /* show target exceptions */ |
24e60978 SC |
139 | |
140 | /* This vector maps GDB's idea of a register's number into an address | |
3cee93ac | 141 | in the win32 exception context vector. |
24e60978 | 142 | |
3cee93ac | 143 | It also contains the bit mask needed to load the register in question. |
24e60978 SC |
144 | |
145 | One day we could read a reg, we could inspect the context we | |
146 | already have loaded, if it doesn't have the bit set that we need, | |
147 | we read that set of registers in using GetThreadContext. If the | |
148 | context already contains what we need, we just unpack it. Then to | |
149 | write a register, first we have to ensure that the context contains | |
150 | the other regs of the group, and then we copy the info in and set | |
151 | out bit. */ | |
152 | ||
3cee93ac CF |
153 | #define context_offset(x) ((int)&(((CONTEXT *)NULL)->x)) |
154 | static const int mappings[] = | |
24e60978 | 155 | { |
3a4b77d8 JM |
156 | context_offset (Eax), |
157 | context_offset (Ecx), | |
158 | context_offset (Edx), | |
159 | context_offset (Ebx), | |
160 | context_offset (Esp), | |
161 | context_offset (Ebp), | |
162 | context_offset (Esi), | |
163 | context_offset (Edi), | |
164 | context_offset (Eip), | |
165 | context_offset (EFlags), | |
166 | context_offset (SegCs), | |
167 | context_offset (SegSs), | |
168 | context_offset (SegDs), | |
169 | context_offset (SegEs), | |
170 | context_offset (SegFs), | |
171 | context_offset (SegGs), | |
172 | context_offset (FloatSave.RegisterArea[0 * 10]), | |
173 | context_offset (FloatSave.RegisterArea[1 * 10]), | |
174 | context_offset (FloatSave.RegisterArea[2 * 10]), | |
175 | context_offset (FloatSave.RegisterArea[3 * 10]), | |
176 | context_offset (FloatSave.RegisterArea[4 * 10]), | |
177 | context_offset (FloatSave.RegisterArea[5 * 10]), | |
178 | context_offset (FloatSave.RegisterArea[6 * 10]), | |
179 | context_offset (FloatSave.RegisterArea[7 * 10]), | |
1e37c281 JM |
180 | context_offset (FloatSave.ControlWord), |
181 | context_offset (FloatSave.StatusWord), | |
182 | context_offset (FloatSave.TagWord), | |
183 | context_offset (FloatSave.ErrorSelector), | |
184 | context_offset (FloatSave.ErrorOffset), | |
185 | context_offset (FloatSave.DataSelector), | |
186 | context_offset (FloatSave.DataOffset), | |
d3a09475 | 187 | context_offset (FloatSave.ErrorSelector) |
97da3b20 CF |
188 | #ifdef HAVE_SSE_REGS |
189 | /* XMM0-7 */ , | |
441532d7 PM |
190 | context_offset (ExtendedRegisters[10*16]), |
191 | context_offset (ExtendedRegisters[11*16]), | |
192 | context_offset (ExtendedRegisters[12*16]), | |
193 | context_offset (ExtendedRegisters[13*16]), | |
194 | context_offset (ExtendedRegisters[14*16]), | |
195 | context_offset (ExtendedRegisters[15*16]), | |
196 | context_offset (ExtendedRegisters[16*16]), | |
197 | context_offset (ExtendedRegisters[17*16]), | |
198 | /* MXCSR */ | |
199 | context_offset (ExtendedRegisters[24]) | |
97da3b20 | 200 | #endif |
24e60978 SC |
201 | }; |
202 | ||
d3a09475 JM |
203 | #undef context_offset |
204 | ||
24e60978 SC |
205 | /* This vector maps the target's idea of an exception (extracted |
206 | from the DEBUG_EVENT structure) to GDB's idea. */ | |
207 | ||
208 | struct xlate_exception | |
209 | { | |
210 | int them; | |
211 | enum target_signal us; | |
212 | }; | |
213 | ||
24e60978 SC |
214 | static const struct xlate_exception |
215 | xlate[] = | |
216 | { | |
217 | {EXCEPTION_ACCESS_VIOLATION, TARGET_SIGNAL_SEGV}, | |
9cbf6c0e | 218 | {STATUS_STACK_OVERFLOW, TARGET_SIGNAL_SEGV}, |
24e60978 SC |
219 | {EXCEPTION_BREAKPOINT, TARGET_SIGNAL_TRAP}, |
220 | {DBG_CONTROL_C, TARGET_SIGNAL_INT}, | |
221 | {EXCEPTION_SINGLE_STEP, TARGET_SIGNAL_TRAP}, | |
7393af7c | 222 | {STATUS_FLOAT_DIVIDE_BY_ZERO, TARGET_SIGNAL_FPE}, |
24e60978 SC |
223 | {-1, -1}}; |
224 | ||
fa4ba8da PM |
225 | static void |
226 | check (BOOL ok, const char *file, int line) | |
227 | { | |
228 | if (!ok) | |
229 | printf_filtered ("error return %s:%d was %lu\n", file, line, | |
230 | GetLastError ()); | |
231 | } | |
232 | ||
233 | ||
3cee93ac CF |
234 | /* Find a thread record given a thread id. |
235 | If get_context then also retrieve the context for this | |
236 | thread. */ | |
237 | static thread_info * | |
238 | thread_rec (DWORD id, int get_context) | |
24e60978 | 239 | { |
3cee93ac CF |
240 | thread_info *th; |
241 | ||
3a4b77d8 | 242 | for (th = &thread_head; (th = th->next) != NULL;) |
3cee93ac CF |
243 | if (th->id == id) |
244 | { | |
245 | if (!th->suspend_count && get_context) | |
246 | { | |
8a892701 | 247 | if (get_context > 0 && id != current_event.dwThreadId) |
3cee93ac CF |
248 | th->suspend_count = SuspendThread (th->h) + 1; |
249 | else if (get_context < 0) | |
250 | th->suspend_count = -1; | |
251 | ||
97da3b20 | 252 | th->context.ContextFlags = CONTEXT_DEBUGGER_DR; |
3cee93ac | 253 | GetThreadContext (th->h, &th->context); |
fa4ba8da PM |
254 | if (id == current_event.dwThreadId) |
255 | { | |
256 | /* Copy dr values from that thread. */ | |
257 | dr[0] = th->context.Dr0; | |
258 | dr[1] = th->context.Dr1; | |
259 | dr[2] = th->context.Dr2; | |
260 | dr[3] = th->context.Dr3; | |
261 | dr[6] = th->context.Dr6; | |
262 | dr[7] = th->context.Dr7; | |
263 | } | |
3cee93ac CF |
264 | } |
265 | return th; | |
266 | } | |
267 | ||
268 | return NULL; | |
269 | } | |
270 | ||
271 | /* Add a thread to the thread list */ | |
272 | static thread_info * | |
3a4b77d8 | 273 | child_add_thread (DWORD id, HANDLE h) |
3cee93ac CF |
274 | { |
275 | thread_info *th; | |
276 | ||
277 | if ((th = thread_rec (id, FALSE))) | |
278 | return th; | |
279 | ||
280 | th = (thread_info *) xmalloc (sizeof (*th)); | |
3a4b77d8 | 281 | memset (th, 0, sizeof (*th)); |
3cee93ac CF |
282 | th->id = id; |
283 | th->h = h; | |
284 | th->next = thread_head.next; | |
285 | thread_head.next = th; | |
39f77062 | 286 | add_thread (pid_to_ptid (id)); |
fa4ba8da PM |
287 | /* Set the debug registers for the new thread in they are used. */ |
288 | if (debug_registers_used) | |
289 | { | |
290 | /* Only change the value of the debug registers. */ | |
291 | th->context.ContextFlags = CONTEXT_DEBUG_REGISTERS; | |
292 | CHECK (GetThreadContext (th->h, &th->context)); | |
293 | th->context.Dr0 = dr[0]; | |
294 | th->context.Dr1 = dr[1]; | |
295 | th->context.Dr2 = dr[2]; | |
296 | th->context.Dr3 = dr[3]; | |
297 | /* th->context.Dr6 = dr[6]; | |
298 | FIXME: should we set dr6 also ?? */ | |
299 | th->context.Dr7 = dr[7]; | |
300 | CHECK (SetThreadContext (th->h, &th->context)); | |
301 | th->context.ContextFlags = 0; | |
302 | } | |
3cee93ac | 303 | return th; |
24e60978 SC |
304 | } |
305 | ||
3cee93ac CF |
306 | /* Clear out any old thread list and reintialize it to a |
307 | pristine state. */ | |
24e60978 | 308 | static void |
fba45db2 | 309 | child_init_thread_list (void) |
24e60978 | 310 | { |
3cee93ac CF |
311 | thread_info *th = &thread_head; |
312 | ||
313 | DEBUG_EVENTS (("gdb: child_init_thread_list\n")); | |
314 | init_thread_list (); | |
315 | while (th->next != NULL) | |
24e60978 | 316 | { |
3cee93ac CF |
317 | thread_info *here = th->next; |
318 | th->next = here->next; | |
319 | (void) CloseHandle (here->h); | |
b8c9b27d | 320 | xfree (here); |
24e60978 | 321 | } |
3cee93ac CF |
322 | } |
323 | ||
324 | /* Delete a thread from the list of threads */ | |
325 | static void | |
326 | child_delete_thread (DWORD id) | |
327 | { | |
328 | thread_info *th; | |
329 | ||
330 | if (info_verbose) | |
39f77062 KB |
331 | printf_unfiltered ("[Deleting %s]\n", target_pid_to_str (pid_to_ptid (id))); |
332 | delete_thread (pid_to_ptid (id)); | |
3cee93ac CF |
333 | |
334 | for (th = &thread_head; | |
335 | th->next != NULL && th->next->id != id; | |
336 | th = th->next) | |
337 | continue; | |
338 | ||
339 | if (th->next != NULL) | |
24e60978 | 340 | { |
3cee93ac CF |
341 | thread_info *here = th->next; |
342 | th->next = here->next; | |
343 | CloseHandle (here->h); | |
b8c9b27d | 344 | xfree (here); |
24e60978 SC |
345 | } |
346 | } | |
347 | ||
3cee93ac CF |
348 | static void |
349 | do_child_fetch_inferior_registers (int r) | |
24e60978 | 350 | { |
1e37c281 JM |
351 | char *context_offset = ((char *) ¤t_thread->context) + mappings[r]; |
352 | long l; | |
353 | if (r == FCS_REGNUM) | |
354 | { | |
8e860359 | 355 | l = *((long *) context_offset) & 0xffff; |
1e37c281 JM |
356 | supply_register (r, (char *) &l); |
357 | } | |
358 | else if (r == FOP_REGNUM) | |
359 | { | |
8e860359 | 360 | l = (*((long *) context_offset) >> 16) & ((1 << 11) - 1); |
1e37c281 JM |
361 | supply_register (r, (char *) &l); |
362 | } | |
363 | else if (r >= 0) | |
d3a09475 | 364 | supply_register (r, context_offset); |
3cee93ac | 365 | else |
24e60978 SC |
366 | { |
367 | for (r = 0; r < NUM_REGS; r++) | |
3cee93ac | 368 | do_child_fetch_inferior_registers (r); |
24e60978 | 369 | } |
3cee93ac CF |
370 | } |
371 | ||
372 | static void | |
373 | child_fetch_inferior_registers (int r) | |
374 | { | |
39f77062 | 375 | current_thread = thread_rec (PIDGET (inferior_ptid), TRUE); |
3cee93ac CF |
376 | do_child_fetch_inferior_registers (r); |
377 | } | |
378 | ||
379 | static void | |
380 | do_child_store_inferior_registers (int r) | |
381 | { | |
382 | if (r >= 0) | |
383 | read_register_gen (r, ((char *) ¤t_thread->context) + mappings[r]); | |
24e60978 SC |
384 | else |
385 | { | |
3cee93ac CF |
386 | for (r = 0; r < NUM_REGS; r++) |
387 | do_child_store_inferior_registers (r); | |
24e60978 SC |
388 | } |
389 | } | |
390 | ||
3cee93ac CF |
391 | /* Store a new register value into the current thread context */ |
392 | static void | |
393 | child_store_inferior_registers (int r) | |
394 | { | |
39f77062 | 395 | current_thread = thread_rec (PIDGET (inferior_ptid), TRUE); |
3cee93ac CF |
396 | do_child_store_inferior_registers (r); |
397 | } | |
24e60978 | 398 | |
1e37c281 JM |
399 | static int psapi_loaded = 0; |
400 | static HMODULE psapi_module_handle = NULL; | |
8e860359 CF |
401 | static BOOL WINAPI (*psapi_EnumProcessModules) (HANDLE, HMODULE *, DWORD, LPDWORD) = NULL; |
402 | static BOOL WINAPI (*psapi_GetModuleInformation) (HANDLE, HMODULE, LPMODULEINFO, DWORD) = NULL; | |
403 | static DWORD WINAPI (*psapi_GetModuleFileNameExA) (HANDLE, HMODULE, LPSTR, DWORD) = NULL; | |
1e37c281 | 404 | |
3bccec63 | 405 | int |
8e860359 | 406 | psapi_get_dll_name (DWORD BaseAddress, char *dll_name_ret) |
1e37c281 JM |
407 | { |
408 | DWORD len; | |
409 | MODULEINFO mi; | |
410 | int i; | |
8e860359 CF |
411 | HMODULE dh_buf[1]; |
412 | HMODULE *DllHandle = dh_buf; | |
1e37c281 JM |
413 | DWORD cbNeeded; |
414 | BOOL ok; | |
415 | ||
416 | if (!psapi_loaded || | |
8e860359 CF |
417 | psapi_EnumProcessModules == NULL || |
418 | psapi_GetModuleInformation == NULL || | |
419 | psapi_GetModuleFileNameExA == NULL) | |
1e37c281 | 420 | { |
8e860359 CF |
421 | if (psapi_loaded) |
422 | goto failed; | |
1e37c281 JM |
423 | psapi_loaded = 1; |
424 | psapi_module_handle = LoadLibrary ("psapi.dll"); | |
425 | if (!psapi_module_handle) | |
8e860359 CF |
426 | { |
427 | /* printf_unfiltered ("error loading psapi.dll: %u", GetLastError ()); */ | |
428 | goto failed; | |
429 | } | |
430 | psapi_EnumProcessModules = GetProcAddress (psapi_module_handle, "EnumProcessModules"); | |
1e37c281 JM |
431 | psapi_GetModuleInformation = GetProcAddress (psapi_module_handle, "GetModuleInformation"); |
432 | psapi_GetModuleFileNameExA = (void *) GetProcAddress (psapi_module_handle, | |
8e860359 CF |
433 | "GetModuleFileNameExA"); |
434 | if (psapi_EnumProcessModules == NULL || | |
435 | psapi_GetModuleInformation == NULL || | |
436 | psapi_GetModuleFileNameExA == NULL) | |
1e37c281 JM |
437 | goto failed; |
438 | } | |
439 | ||
440 | cbNeeded = 0; | |
441 | ok = (*psapi_EnumProcessModules) (current_process_handle, | |
8e860359 CF |
442 | DllHandle, |
443 | sizeof (HMODULE), | |
444 | &cbNeeded); | |
1e37c281 JM |
445 | |
446 | if (!ok || !cbNeeded) | |
447 | goto failed; | |
448 | ||
8e860359 | 449 | DllHandle = (HMODULE *) alloca (cbNeeded); |
1e37c281 JM |
450 | if (!DllHandle) |
451 | goto failed; | |
452 | ||
453 | ok = (*psapi_EnumProcessModules) (current_process_handle, | |
8e860359 CF |
454 | DllHandle, |
455 | cbNeeded, | |
456 | &cbNeeded); | |
1e37c281 JM |
457 | if (!ok) |
458 | goto failed; | |
459 | ||
29fe111d | 460 | for (i = 0; i < (int) (cbNeeded / sizeof (HMODULE)); i++) |
1e37c281 JM |
461 | { |
462 | if (!(*psapi_GetModuleInformation) (current_process_handle, | |
8e860359 CF |
463 | DllHandle[i], |
464 | &mi, | |
465 | sizeof (mi))) | |
1e37c281 JM |
466 | error ("Can't get module info"); |
467 | ||
468 | len = (*psapi_GetModuleFileNameExA) (current_process_handle, | |
8e860359 CF |
469 | DllHandle[i], |
470 | dll_name_ret, | |
471 | MAX_PATH); | |
1e37c281 | 472 | if (len == 0) |
29fe111d | 473 | error ("Error getting dll name: %u\n", GetLastError ()); |
1e37c281 JM |
474 | |
475 | if ((DWORD) (mi.lpBaseOfDll) == BaseAddress) | |
476 | return 1; | |
477 | } | |
478 | ||
479 | failed: | |
480 | dll_name_ret[0] = '\0'; | |
481 | return 0; | |
482 | } | |
483 | ||
450005e7 CF |
484 | /* Encapsulate the information required in a call to |
485 | symbol_file_add_args */ | |
8a892701 CF |
486 | struct safe_symbol_file_add_args |
487 | { | |
488 | char *name; | |
489 | int from_tty; | |
490 | struct section_addr_info *addrs; | |
491 | int mainline; | |
492 | int flags; | |
7c5c87c0 | 493 | struct ui_file *err, *out; |
8a892701 CF |
494 | struct objfile *ret; |
495 | }; | |
496 | ||
02e423b9 CF |
497 | /* Maintain a linked list of "so" information. */ |
498 | struct so_stuff | |
499 | { | |
d3ff4a77 | 500 | struct so_stuff *next; |
02e423b9 | 501 | DWORD load_addr; |
7470a420 | 502 | int loaded; |
d3ff4a77 | 503 | struct objfile *objfile; |
7470a420 CF |
504 | char name[1]; |
505 | } solib_start, *solib_end; | |
02e423b9 | 506 | |
450005e7 CF |
507 | /* Call symbol_file_add with stderr redirected. We don't care if there |
508 | are errors. */ | |
8a892701 CF |
509 | static int |
510 | safe_symbol_file_add_stub (void *argv) | |
511 | { | |
512 | #define p ((struct safe_symbol_file_add_args *)argv) | |
fefd0a37 | 513 | struct so_stuff *so = &solib_start; |
02e423b9 CF |
514 | |
515 | while ((so = so->next)) | |
7470a420 | 516 | if (so->loaded && strcasecmp (so->name, p->name) == 0) |
02e423b9 | 517 | return 0; |
8a892701 CF |
518 | p->ret = symbol_file_add (p->name, p->from_tty, p->addrs, p->mainline, p->flags); |
519 | return !!p->ret; | |
520 | #undef p | |
521 | } | |
522 | ||
450005e7 | 523 | /* Restore gdb's stderr after calling symbol_file_add */ |
8a892701 | 524 | static void |
7c5c87c0 | 525 | safe_symbol_file_add_cleanup (void *p) |
8a892701 | 526 | { |
8e860359 | 527 | #define sp ((struct safe_symbol_file_add_args *)p) |
450005e7 | 528 | gdb_flush (gdb_stderr); |
7c5c87c0 | 529 | gdb_flush (gdb_stdout); |
d3ff4a77 | 530 | ui_file_delete (gdb_stderr); |
7c5c87c0 | 531 | ui_file_delete (gdb_stdout); |
d3ff4a77 | 532 | gdb_stderr = sp->err; |
9d3789f7 | 533 | gdb_stdout = sp->out; |
8e860359 | 534 | #undef sp |
8a892701 CF |
535 | } |
536 | ||
450005e7 | 537 | /* symbol_file_add wrapper that prevents errors from being displayed. */ |
8a892701 CF |
538 | static struct objfile * |
539 | safe_symbol_file_add (char *name, int from_tty, | |
540 | struct section_addr_info *addrs, | |
541 | int mainline, int flags) | |
8a892701 CF |
542 | { |
543 | struct safe_symbol_file_add_args p; | |
544 | struct cleanup *cleanup; | |
545 | ||
7c5c87c0 | 546 | cleanup = make_cleanup (safe_symbol_file_add_cleanup, &p); |
8a892701 | 547 | |
7c5c87c0 CF |
548 | p.err = gdb_stderr; |
549 | p.out = gdb_stdout; | |
450005e7 | 550 | gdb_flush (gdb_stderr); |
7c5c87c0 | 551 | gdb_flush (gdb_stdout); |
d3ff4a77 | 552 | gdb_stderr = ui_file_new (); |
7c5c87c0 | 553 | gdb_stdout = ui_file_new (); |
8a892701 CF |
554 | p.name = name; |
555 | p.from_tty = from_tty; | |
556 | p.addrs = addrs; | |
557 | p.mainline = mainline; | |
558 | p.flags = flags; | |
559 | catch_errors (safe_symbol_file_add_stub, &p, "", RETURN_MASK_ERROR); | |
560 | ||
561 | do_cleanups (cleanup); | |
562 | return p.ret; | |
563 | } | |
564 | ||
450005e7 CF |
565 | /* Remember the maximum DLL length for printing in info dll command. */ |
566 | int max_dll_name_len; | |
567 | ||
8e860359 CF |
568 | static void |
569 | register_loaded_dll (const char *name, DWORD load_addr) | |
570 | { | |
571 | struct so_stuff *so; | |
7470a420 | 572 | char ppath[MAX_PATH + 1]; |
3f8ad85b CF |
573 | char buf[MAX_PATH + 1]; |
574 | char cwd[MAX_PATH + 1]; | |
575 | char *p; | |
576 | WIN32_FIND_DATA w32_fd; | |
577 | HANDLE h = FindFirstFile(name, &w32_fd); | |
578 | size_t len; | |
579 | ||
580 | FindClose (h); | |
581 | strcpy (buf, name); | |
582 | if (GetCurrentDirectory (MAX_PATH + 1, cwd)) | |
583 | { | |
584 | p = strrchr (buf, '\\'); | |
585 | if (p) | |
586 | p[1] = '\0'; | |
587 | SetCurrentDirectory (buf); | |
588 | GetFullPathName (w32_fd.cFileName, MAX_PATH, buf, &p); | |
589 | SetCurrentDirectory (cwd); | |
590 | } | |
591 | ||
592 | cygwin_conv_to_posix_path (buf, ppath); | |
7470a420 CF |
593 | so = (struct so_stuff *) xmalloc (sizeof (struct so_stuff) + strlen (ppath) + 8 + 1); |
594 | so->loaded = 0; | |
8e860359 | 595 | so->load_addr = load_addr; |
d3ff4a77 CF |
596 | so->next = NULL; |
597 | so->objfile = NULL; | |
7470a420 | 598 | strcpy (so->name, ppath); |
8e860359 CF |
599 | |
600 | solib_end->next = so; | |
601 | solib_end = so; | |
3f8ad85b CF |
602 | len = strlen (ppath); |
603 | if (len > max_dll_name_len) | |
604 | max_dll_name_len = len; | |
8e860359 CF |
605 | } |
606 | ||
24e60978 SC |
607 | /* Wait for child to do something. Return pid of child, or -1 in case |
608 | of error; store status through argument pointer OURSTATUS. */ | |
1750a5ef | 609 | static int |
0a65a603 | 610 | handle_load_dll (void *dummy) |
24e60978 | 611 | { |
3a4b77d8 | 612 | LOAD_DLL_DEBUG_INFO *event = ¤t_event.u.LoadDll; |
24e60978 SC |
613 | DWORD dll_name_ptr; |
614 | DWORD done; | |
3cee93ac | 615 | char dll_buf[MAX_PATH + 1]; |
450005e7 | 616 | char *dll_name = NULL; |
450005e7 | 617 | char *p; |
3cee93ac | 618 | |
3a4b77d8 | 619 | dll_buf[0] = dll_buf[sizeof (dll_buf) - 1] = '\0'; |
3cee93ac | 620 | |
1e37c281 | 621 | if (!psapi_get_dll_name ((DWORD) (event->lpBaseOfDll), dll_buf)) |
8e860359 | 622 | dll_buf[0] = dll_buf[sizeof (dll_buf) - 1] = '\0'; |
3cee93ac | 623 | |
1e37c281 | 624 | dll_name = dll_buf; |
24e60978 | 625 | |
3cee93ac CF |
626 | /* Attempt to read the name of the dll that was detected. |
627 | This is documented to work only when actively debugging | |
628 | a program. It will not work for attached processes. */ | |
629 | if (dll_name == NULL || *dll_name == '\0') | |
24e60978 | 630 | { |
29fe111d | 631 | DWORD size = event->fUnicode ? sizeof (WCHAR) : sizeof (char); |
24e60978 SC |
632 | int len = 0; |
633 | char b[2]; | |
3cee93ac CF |
634 | |
635 | ReadProcessMemory (current_process_handle, | |
636 | (LPCVOID) event->lpImageName, | |
637 | (char *) &dll_name_ptr, | |
638 | sizeof (dll_name_ptr), &done); | |
639 | ||
640 | /* See if we could read the address of a string, and that the | |
3bccec63 | 641 | address isn't null. */ |
3cee93ac CF |
642 | |
643 | if (done != sizeof (dll_name_ptr) || !dll_name_ptr) | |
644 | return 1; | |
645 | ||
24e60978 SC |
646 | do |
647 | { | |
3cee93ac CF |
648 | ReadProcessMemory (current_process_handle, |
649 | (LPCVOID) (dll_name_ptr + len * size), | |
24e60978 SC |
650 | &b, |
651 | size, | |
652 | &done); | |
653 | len++; | |
654 | } | |
655 | while ((b[0] != 0 || b[size - 1] != 0) && done == size); | |
656 | ||
24e60978 SC |
657 | dll_name = alloca (len); |
658 | ||
3cee93ac | 659 | if (event->fUnicode) |
24e60978 SC |
660 | { |
661 | WCHAR *unicode_dll_name = (WCHAR *) alloca (len * sizeof (WCHAR)); | |
3cee93ac CF |
662 | ReadProcessMemory (current_process_handle, |
663 | (LPCVOID) dll_name_ptr, | |
24e60978 SC |
664 | unicode_dll_name, |
665 | len * sizeof (WCHAR), | |
666 | &done); | |
667 | ||
668 | WideCharToMultiByte (CP_ACP, 0, | |
669 | unicode_dll_name, len, | |
670 | dll_name, len, 0, 0); | |
671 | } | |
672 | else | |
673 | { | |
3cee93ac CF |
674 | ReadProcessMemory (current_process_handle, |
675 | (LPCVOID) dll_name_ptr, | |
24e60978 SC |
676 | dll_name, |
677 | len, | |
678 | &done); | |
679 | } | |
24e60978 | 680 | } |
3cee93ac CF |
681 | |
682 | if (!dll_name) | |
683 | return 1; | |
684 | ||
8e860359 | 685 | register_loaded_dll (dll_name, (DWORD) event->lpBaseOfDll + 0x1000); |
450005e7 CF |
686 | |
687 | return 1; | |
688 | } | |
689 | ||
d3ff4a77 | 690 | static int |
0a65a603 | 691 | handle_unload_dll (void *dummy) |
d3ff4a77 CF |
692 | { |
693 | DWORD lpBaseOfDll = (DWORD) current_event.u.UnloadDll.lpBaseOfDll + 0x1000; | |
694 | struct so_stuff *so; | |
695 | ||
696 | for (so = &solib_start; so->next != NULL; so = so->next) | |
697 | if (so->next->load_addr == lpBaseOfDll) | |
698 | { | |
699 | struct so_stuff *sodel = so->next; | |
700 | so->next = sodel->next; | |
701 | if (!so->next) | |
702 | solib_end = so; | |
703 | if (sodel->objfile) | |
704 | free_objfile (sodel->objfile); | |
705 | xfree(sodel); | |
706 | return 1; | |
707 | } | |
708 | error ("Error: dll starting at 0x%lx not found.\n", (DWORD) lpBaseOfDll); | |
709 | ||
710 | return 0; | |
711 | } | |
712 | ||
450005e7 CF |
713 | /* Return name of last loaded DLL. */ |
714 | char * | |
0a65a603 | 715 | child_solib_loaded_library_pathname (int pid) |
450005e7 | 716 | { |
8e860359 | 717 | return !solib_end || !solib_end->name[0] ? NULL : solib_end->name; |
450005e7 CF |
718 | } |
719 | ||
720 | /* Clear list of loaded DLLs. */ | |
721 | void | |
722 | child_clear_solibs (void) | |
723 | { | |
724 | struct so_stuff *so, *so1 = solib_start.next; | |
725 | ||
726 | while ((so = so1) != NULL) | |
727 | { | |
728 | so1 = so->next; | |
b8c9b27d | 729 | xfree (so); |
450005e7 CF |
730 | } |
731 | ||
732 | solib_start.next = NULL; | |
d3ff4a77 | 733 | solib_start.objfile = NULL; |
450005e7 CF |
734 | solib_end = &solib_start; |
735 | max_dll_name_len = sizeof ("DLL Name") - 1; | |
736 | } | |
737 | ||
738 | /* Add DLL symbol information. */ | |
d3ff4a77 | 739 | static struct objfile * |
02e423b9 | 740 | solib_symbols_add (char *name, int from_tty, CORE_ADDR load_addr) |
450005e7 CF |
741 | { |
742 | struct section_addr_info section_addrs; | |
743 | ||
3cee93ac CF |
744 | /* The symbols in a dll are offset by 0x1000, which is the |
745 | the offset from 0 of the first byte in an image - because | |
8a892701 | 746 | of the file header and the section alignment. */ |
3cee93ac | 747 | |
8e860359 | 748 | if (!name || !name[0]) |
d3ff4a77 | 749 | return NULL; |
450005e7 CF |
750 | |
751 | memset (§ion_addrs, 0, sizeof (section_addrs)); | |
0aa9cf96 | 752 | section_addrs.other[0].name = ".text"; |
8e860359 | 753 | section_addrs.other[0].addr = load_addr; |
d3ff4a77 | 754 | return safe_symbol_file_add (name, from_tty, NULL, 0, OBJF_SHARED); |
450005e7 CF |
755 | } |
756 | ||
757 | /* Load DLL symbol info. */ | |
758 | void | |
7470a420 | 759 | dll_symbol_command (char *args, int from_tty) |
450005e7 | 760 | { |
8e860359 | 761 | int n; |
450005e7 | 762 | dont_repeat (); |
8e860359 | 763 | |
450005e7 CF |
764 | if (args == NULL) |
765 | error ("dll-symbols requires a file name"); | |
766 | ||
8e860359 CF |
767 | n = strlen (args); |
768 | if (n > 4 && strcasecmp (args + n - 4, ".dll") != 0) | |
769 | { | |
770 | char *newargs = (char *) alloca (n + 4 + 1); | |
771 | strcpy (newargs, args); | |
772 | strcat (newargs, ".dll"); | |
773 | args = newargs; | |
774 | } | |
775 | ||
7470a420 | 776 | safe_symbol_file_add (args, from_tty, NULL, 0, OBJF_SHARED | OBJF_USERLOADED); |
8e860359 | 777 | } |
450005e7 CF |
778 | |
779 | /* List currently loaded DLLs. */ | |
780 | void | |
0a65a603 | 781 | info_dll_command (char *ignore, int from_tty) |
450005e7 CF |
782 | { |
783 | struct so_stuff *so = &solib_start; | |
784 | ||
785 | if (!so->next) | |
786 | return; | |
787 | ||
788 | printf ("%*s Load Address\n", -max_dll_name_len, "DLL Name"); | |
789 | while ((so = so->next) != NULL) | |
7c5c87c0 | 790 | printf_filtered ("%*s %08lx\n", -max_dll_name_len, so->name, so->load_addr); |
450005e7 CF |
791 | |
792 | return; | |
24e60978 SC |
793 | } |
794 | ||
3cee93ac CF |
795 | /* Handle DEBUG_STRING output from child process. |
796 | Cygwin prepends its messages with a "cygwin:". Interpret this as | |
797 | a Cygwin signal. Otherwise just print the string as a warning. */ | |
798 | static int | |
799 | handle_output_debug_string (struct target_waitstatus *ourstatus) | |
800 | { | |
801 | char *s; | |
802 | int gotasig = FALSE; | |
803 | ||
804 | if (!target_read_string | |
3a4b77d8 | 805 | ((CORE_ADDR) current_event.u.DebugString.lpDebugStringData, &s, 1024, 0) |
3cee93ac CF |
806 | || !s || !*s) |
807 | return gotasig; | |
808 | ||
d3a09475 | 809 | if (strncmp (s, CYGWIN_SIGNAL_STRING, sizeof (CYGWIN_SIGNAL_STRING) - 1) != 0) |
3cee93ac | 810 | { |
d3a09475 | 811 | if (strncmp (s, "cYg", 3) != 0) |
29fe111d | 812 | warning ("%s", s); |
3cee93ac | 813 | } |
d3a09475 | 814 | else |
3cee93ac CF |
815 | { |
816 | char *p; | |
1e37c281 JM |
817 | int sig = strtol (s + sizeof (CYGWIN_SIGNAL_STRING) - 1, &p, 0); |
818 | gotasig = target_signal_from_host (sig); | |
0714f9bf SS |
819 | ourstatus->value.sig = gotasig; |
820 | if (gotasig) | |
3cee93ac CF |
821 | ourstatus->kind = TARGET_WAITKIND_STOPPED; |
822 | } | |
823 | ||
b8c9b27d | 824 | xfree (s); |
3cee93ac CF |
825 | return gotasig; |
826 | } | |
24e60978 | 827 | |
7393af7c PM |
828 | #define DEBUG_EXCEPTION_SIMPLE(x) if (debug_exceptions) \ |
829 | printf ("gdb: Target exception %s at 0x%08lx\n", x, \ | |
830 | (DWORD) current_event.u.Exception.ExceptionRecord.ExceptionAddress) | |
831 | ||
36339ecd | 832 | static int |
450005e7 | 833 | handle_exception (struct target_waitstatus *ourstatus) |
24e60978 | 834 | { |
3cee93ac | 835 | thread_info *th; |
29fe111d | 836 | DWORD code = current_event.u.Exception.ExceptionRecord.ExceptionCode; |
3cee93ac | 837 | |
29fe111d | 838 | ourstatus->kind = TARGET_WAITKIND_STOPPED; |
8a892701 | 839 | |
3cee93ac CF |
840 | /* Record the context of the current thread */ |
841 | th = thread_rec (current_event.dwThreadId, -1); | |
24e60978 | 842 | |
29fe111d | 843 | switch (code) |
24e60978 | 844 | { |
1ef980b9 | 845 | case EXCEPTION_ACCESS_VIOLATION: |
7393af7c PM |
846 | DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_ACCESS_VIOLATION"); |
847 | ourstatus->value.sig = TARGET_SIGNAL_SEGV; | |
848 | break; | |
849 | case STATUS_STACK_OVERFLOW: | |
850 | DEBUG_EXCEPTION_SIMPLE ("STATUS_STACK_OVERFLOW"); | |
1ef980b9 | 851 | ourstatus->value.sig = TARGET_SIGNAL_SEGV; |
7393af7c PM |
852 | break; |
853 | case STATUS_FLOAT_DENORMAL_OPERAND: | |
854 | DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_DENORMAL_OPERAND"); | |
855 | ourstatus->value.sig = TARGET_SIGNAL_FPE; | |
856 | break; | |
857 | case EXCEPTION_ARRAY_BOUNDS_EXCEEDED: | |
858 | DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_ARRAY_BOUNDS_EXCEEDED"); | |
859 | ourstatus->value.sig = TARGET_SIGNAL_FPE; | |
860 | break; | |
861 | case STATUS_FLOAT_INEXACT_RESULT: | |
862 | DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_INEXACT_RESULT"); | |
863 | ourstatus->value.sig = TARGET_SIGNAL_FPE; | |
864 | break; | |
865 | case STATUS_FLOAT_INVALID_OPERATION: | |
866 | DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_INVALID_OPERATION"); | |
867 | ourstatus->value.sig = TARGET_SIGNAL_FPE; | |
868 | break; | |
869 | case STATUS_FLOAT_OVERFLOW: | |
870 | DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_OVERFLOW"); | |
871 | ourstatus->value.sig = TARGET_SIGNAL_FPE; | |
872 | break; | |
873 | case STATUS_FLOAT_STACK_CHECK: | |
874 | DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_STACK_CHECK"); | |
875 | ourstatus->value.sig = TARGET_SIGNAL_FPE; | |
1ef980b9 | 876 | break; |
3b7c8b74 | 877 | case STATUS_FLOAT_UNDERFLOW: |
7393af7c PM |
878 | DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_UNDERFLOW"); |
879 | ourstatus->value.sig = TARGET_SIGNAL_FPE; | |
880 | break; | |
3b7c8b74 | 881 | case STATUS_FLOAT_DIVIDE_BY_ZERO: |
7393af7c PM |
882 | DEBUG_EXCEPTION_SIMPLE ("STATUS_FLOAT_DIVIDE_BY_ZERO"); |
883 | ourstatus->value.sig = TARGET_SIGNAL_FPE; | |
884 | break; | |
3b7c8b74 | 885 | case STATUS_INTEGER_DIVIDE_BY_ZERO: |
7393af7c | 886 | DEBUG_EXCEPTION_SIMPLE ("STATUS_INTEGER_DIVIDE_BY_ZERO"); |
3b7c8b74 | 887 | ourstatus->value.sig = TARGET_SIGNAL_FPE; |
3b7c8b74 | 888 | break; |
7393af7c PM |
889 | case STATUS_INTEGER_OVERFLOW: |
890 | DEBUG_EXCEPTION_SIMPLE ("STATUS_INTEGER_OVERFLOW"); | |
891 | ourstatus->value.sig = TARGET_SIGNAL_FPE; | |
1ef980b9 SC |
892 | break; |
893 | case EXCEPTION_BREAKPOINT: | |
7393af7c | 894 | DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_BREAKPOINT"); |
1ef980b9 SC |
895 | ourstatus->value.sig = TARGET_SIGNAL_TRAP; |
896 | break; | |
897 | case DBG_CONTROL_C: | |
7393af7c | 898 | DEBUG_EXCEPTION_SIMPLE ("DBG_CONTROL_C"); |
1ef980b9 | 899 | ourstatus->value.sig = TARGET_SIGNAL_INT; |
5b421780 PM |
900 | break; |
901 | case DBG_CONTROL_BREAK: | |
7393af7c | 902 | DEBUG_EXCEPTION_SIMPLE ("DBG_CONTROL_BREAK"); |
5b421780 | 903 | ourstatus->value.sig = TARGET_SIGNAL_INT; |
1ef980b9 SC |
904 | break; |
905 | case EXCEPTION_SINGLE_STEP: | |
7393af7c | 906 | DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_SINGLE_STEP"); |
1ef980b9 SC |
907 | ourstatus->value.sig = TARGET_SIGNAL_TRAP; |
908 | break; | |
8227c82d | 909 | case EXCEPTION_ILLEGAL_INSTRUCTION: |
7393af7c PM |
910 | DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_ILLEGAL_INSTRUCTION"); |
911 | ourstatus->value.sig = TARGET_SIGNAL_ILL; | |
912 | break; | |
913 | case EXCEPTION_PRIV_INSTRUCTION: | |
914 | DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_PRIV_INSTRUCTION"); | |
915 | ourstatus->value.sig = TARGET_SIGNAL_ILL; | |
916 | break; | |
917 | case EXCEPTION_NONCONTINUABLE_EXCEPTION: | |
918 | DEBUG_EXCEPTION_SIMPLE ("EXCEPTION_NONCONTINUABLE_EXCEPTION"); | |
8227c82d CF |
919 | ourstatus->value.sig = TARGET_SIGNAL_ILL; |
920 | break; | |
1ef980b9 | 921 | default: |
02e423b9 CF |
922 | if (current_event.u.Exception.dwFirstChance) |
923 | return 0; | |
29fe111d | 924 | printf_unfiltered ("gdb: unknown target exception 0x%08lx at 0x%08lx\n", |
3a4b77d8 | 925 | current_event.u.Exception.ExceptionRecord.ExceptionCode, |
8e860359 | 926 | (DWORD) current_event.u.Exception.ExceptionRecord.ExceptionAddress); |
24e60978 | 927 | ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN; |
1ef980b9 | 928 | break; |
24e60978 | 929 | } |
24e60978 | 930 | exception_count++; |
7393af7c | 931 | last_sig = ourstatus->value.sig; |
36339ecd | 932 | return 1; |
24e60978 SC |
933 | } |
934 | ||
3cee93ac CF |
935 | /* Resume all artificially suspended threads if we are continuing |
936 | execution */ | |
937 | static BOOL | |
8a892701 | 938 | child_continue (DWORD continue_status, int id) |
3cee93ac CF |
939 | { |
940 | int i; | |
941 | thread_info *th; | |
942 | BOOL res; | |
943 | ||
7393af7c PM |
944 | DEBUG_EVENTS (("ContinueDebugEvent (cpid=%ld, ctid=%ld, %s);\n", |
945 | current_event.dwProcessId, current_event.dwThreadId, | |
946 | continue_status == DBG_CONTINUE ? | |
947 | "DBG_CONTINUE" : "DBG_EXCEPTION_NOT_HANDLED")); | |
0714f9bf SS |
948 | res = ContinueDebugEvent (current_event.dwProcessId, |
949 | current_event.dwThreadId, | |
950 | continue_status); | |
1e37c281 | 951 | continue_status = 0; |
0714f9bf | 952 | if (res) |
3a4b77d8 | 953 | for (th = &thread_head; (th = th->next) != NULL;) |
29fe111d | 954 | if (((id == -1) || (id == (int) th->id)) && th->suspend_count) |
3cee93ac | 955 | { |
fa4ba8da | 956 | |
3cee93ac CF |
957 | for (i = 0; i < th->suspend_count; i++) |
958 | (void) ResumeThread (th->h); | |
959 | th->suspend_count = 0; | |
fa4ba8da PM |
960 | if (debug_registers_changed) |
961 | { | |
962 | /* Only change the value of the debug reisters */ | |
963 | th->context.ContextFlags = CONTEXT_DEBUG_REGISTERS; | |
964 | th->context.Dr0 = dr[0]; | |
965 | th->context.Dr1 = dr[1]; | |
966 | th->context.Dr2 = dr[2]; | |
967 | th->context.Dr3 = dr[3]; | |
968 | /* th->context.Dr6 = dr[6]; | |
969 | FIXME: should we set dr6 also ?? */ | |
970 | th->context.Dr7 = dr[7]; | |
971 | CHECK (SetThreadContext (th->h, &th->context)); | |
972 | th->context.ContextFlags = 0; | |
973 | } | |
3cee93ac CF |
974 | } |
975 | ||
fa4ba8da | 976 | debug_registers_changed = 0; |
3cee93ac CF |
977 | return res; |
978 | } | |
979 | ||
8a892701 CF |
980 | /* Get the next event from the child. Return 1 if the event requires |
981 | handling by WFI (or whatever). | |
982 | */ | |
1e37c281 | 983 | static int |
0a65a603 | 984 | get_child_debug_event (int pid, struct target_waitstatus *ourstatus) |
1e37c281 JM |
985 | { |
986 | BOOL debug_event; | |
8a892701 CF |
987 | DWORD continue_status, event_code; |
988 | thread_info *th = NULL; | |
989 | static thread_info dummy_thread_info; | |
450005e7 | 990 | int retval = 0; |
1e37c281 | 991 | |
7393af7c | 992 | last_sig = TARGET_SIGNAL_0; |
9d3789f7 | 993 | |
8a892701 | 994 | if (!(debug_event = WaitForDebugEvent (¤t_event, 1000))) |
29fe111d | 995 | goto out; |
1e37c281 JM |
996 | |
997 | event_count++; | |
998 | continue_status = DBG_CONTINUE; | |
1e37c281 | 999 | |
8a892701 | 1000 | event_code = current_event.dwDebugEventCode; |
450005e7 | 1001 | ourstatus->kind = TARGET_WAITKIND_SPURIOUS; |
8a892701 CF |
1002 | |
1003 | switch (event_code) | |
1e37c281 JM |
1004 | { |
1005 | case CREATE_THREAD_DEBUG_EVENT: | |
1006 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%x code=%s)\n", | |
8a892701 CF |
1007 | (unsigned) current_event.dwProcessId, |
1008 | (unsigned) current_event.dwThreadId, | |
1009 | "CREATE_THREAD_DEBUG_EVENT")); | |
1e37c281 | 1010 | /* Record the existence of this thread */ |
8a892701 CF |
1011 | th = child_add_thread (current_event.dwThreadId, |
1012 | current_event.u.CreateThread.hThread); | |
1e37c281 JM |
1013 | if (info_verbose) |
1014 | printf_unfiltered ("[New %s]\n", | |
39f77062 KB |
1015 | target_pid_to_str ( |
1016 | pid_to_ptid (current_event.dwThreadId))); | |
450005e7 | 1017 | retval = current_event.dwThreadId; |
1e37c281 JM |
1018 | break; |
1019 | ||
1020 | case EXIT_THREAD_DEBUG_EVENT: | |
1021 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", | |
8a892701 CF |
1022 | (unsigned) current_event.dwProcessId, |
1023 | (unsigned) current_event.dwThreadId, | |
1024 | "EXIT_THREAD_DEBUG_EVENT")); | |
1e37c281 | 1025 | child_delete_thread (current_event.dwThreadId); |
8a892701 | 1026 | th = &dummy_thread_info; |
1e37c281 JM |
1027 | break; |
1028 | ||
1029 | case CREATE_PROCESS_DEBUG_EVENT: | |
1030 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", | |
8a892701 CF |
1031 | (unsigned) current_event.dwProcessId, |
1032 | (unsigned) current_event.dwThreadId, | |
1033 | "CREATE_PROCESS_DEBUG_EVENT")); | |
700b351b | 1034 | CloseHandle (current_event.u.CreateProcessInfo.hFile); |
1e37c281 JM |
1035 | current_process_handle = current_event.u.CreateProcessInfo.hProcess; |
1036 | ||
9d3789f7 | 1037 | main_thread_id = current_event.dwThreadId; |
1e37c281 | 1038 | /* Add the main thread */ |
9d3789f7 | 1039 | #if 0 |
450005e7 CF |
1040 | th = child_add_thread (current_event.dwProcessId, |
1041 | current_event.u.CreateProcessInfo.hProcess); | |
9d3789f7 CF |
1042 | #endif |
1043 | th = child_add_thread (main_thread_id, | |
8a892701 | 1044 | current_event.u.CreateProcessInfo.hThread); |
9d3789f7 | 1045 | retval = ourstatus->value.related_pid = current_event.dwThreadId; |
1e37c281 JM |
1046 | break; |
1047 | ||
1048 | case EXIT_PROCESS_DEBUG_EVENT: | |
1049 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", | |
8a892701 CF |
1050 | (unsigned) current_event.dwProcessId, |
1051 | (unsigned) current_event.dwThreadId, | |
1052 | "EXIT_PROCESS_DEBUG_EVENT")); | |
1e37c281 JM |
1053 | ourstatus->kind = TARGET_WAITKIND_EXITED; |
1054 | ourstatus->value.integer = current_event.u.ExitProcess.dwExitCode; | |
1055 | CloseHandle (current_process_handle); | |
9d3789f7 | 1056 | retval = main_thread_id; |
8a892701 | 1057 | break; |
1e37c281 JM |
1058 | |
1059 | case LOAD_DLL_DEBUG_EVENT: | |
1060 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", | |
8a892701 CF |
1061 | (unsigned) current_event.dwProcessId, |
1062 | (unsigned) current_event.dwThreadId, | |
1063 | "LOAD_DLL_DEBUG_EVENT")); | |
700b351b | 1064 | CloseHandle (current_event.u.LoadDll.hFile); |
8a892701 | 1065 | catch_errors (handle_load_dll, NULL, (char *) "", RETURN_MASK_ALL); |
1e37c281 | 1066 | registers_changed (); /* mark all regs invalid */ |
450005e7 CF |
1067 | ourstatus->kind = TARGET_WAITKIND_LOADED; |
1068 | ourstatus->value.integer = 0; | |
9d3789f7 | 1069 | retval = main_thread_id; |
1e37c281 JM |
1070 | break; |
1071 | ||
1072 | case UNLOAD_DLL_DEBUG_EVENT: | |
1073 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", | |
8a892701 CF |
1074 | (unsigned) current_event.dwProcessId, |
1075 | (unsigned) current_event.dwThreadId, | |
1076 | "UNLOAD_DLL_DEBUG_EVENT")); | |
d3ff4a77 CF |
1077 | catch_errors (handle_unload_dll, NULL, (char *) "", RETURN_MASK_ALL); |
1078 | registers_changed (); /* mark all regs invalid */ | |
1079 | /* ourstatus->kind = TARGET_WAITKIND_UNLOADED; | |
3bccec63 | 1080 | does not exist yet. */ |
d3ff4a77 | 1081 | break; |
1e37c281 JM |
1082 | |
1083 | case EXCEPTION_DEBUG_EVENT: | |
1084 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", | |
8a892701 CF |
1085 | (unsigned) current_event.dwProcessId, |
1086 | (unsigned) current_event.dwThreadId, | |
1087 | "EXCEPTION_DEBUG_EVENT")); | |
02e423b9 CF |
1088 | if (handle_exception (ourstatus)) |
1089 | retval = current_event.dwThreadId; | |
1e37c281 JM |
1090 | break; |
1091 | ||
8a892701 | 1092 | case OUTPUT_DEBUG_STRING_EVENT: /* message from the kernel */ |
1e37c281 | 1093 | DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", |
8a892701 CF |
1094 | (unsigned) current_event.dwProcessId, |
1095 | (unsigned) current_event.dwThreadId, | |
1096 | "OUTPUT_DEBUG_STRING_EVENT")); | |
8e860359 | 1097 | if (handle_output_debug_string (ourstatus)) |
9d3789f7 | 1098 | retval = main_thread_id; |
1e37c281 | 1099 | break; |
9d3789f7 | 1100 | |
1e37c281 | 1101 | default: |
29fe111d CF |
1102 | printf_unfiltered ("gdb: kernel event for pid=%ld tid=%ld\n", |
1103 | (DWORD) current_event.dwProcessId, | |
1104 | (DWORD) current_event.dwThreadId); | |
1105 | printf_unfiltered (" unknown event code %ld\n", | |
1e37c281 JM |
1106 | current_event.dwDebugEventCode); |
1107 | break; | |
1108 | } | |
1109 | ||
450005e7 | 1110 | if (!retval) |
8a892701 | 1111 | CHECK (child_continue (continue_status, -1)); |
450005e7 | 1112 | else |
9d3789f7 | 1113 | { |
8e860359 | 1114 | current_thread = th ? : thread_rec (current_event.dwThreadId, TRUE); |
39f77062 | 1115 | inferior_ptid = pid_to_ptid (retval); |
9d3789f7 | 1116 | } |
1e37c281 JM |
1117 | |
1118 | out: | |
450005e7 | 1119 | return retval; |
1e37c281 JM |
1120 | } |
1121 | ||
1e37c281 | 1122 | /* Wait for interesting events to occur in the target process. */ |
39f77062 KB |
1123 | static ptid_t |
1124 | child_wait (ptid_t ptid, struct target_waitstatus *ourstatus) | |
24e60978 | 1125 | { |
39f77062 KB |
1126 | int pid = PIDGET (ptid); |
1127 | ||
24e60978 SC |
1128 | /* We loop when we get a non-standard exception rather than return |
1129 | with a SPURIOUS because resume can try and step or modify things, | |
3cee93ac | 1130 | which needs a current_thread->h. But some of these exceptions mark |
24e60978 SC |
1131 | the birth or death of threads, which mean that the current thread |
1132 | isn't necessarily what you think it is. */ | |
1133 | ||
1134 | while (1) | |
450005e7 CF |
1135 | { |
1136 | int retval = get_child_debug_event (pid, ourstatus); | |
1137 | if (retval) | |
39f77062 | 1138 | return pid_to_ptid (retval); |
450005e7 CF |
1139 | else |
1140 | { | |
1141 | int detach = 0; | |
3cee93ac | 1142 | |
450005e7 CF |
1143 | if (ui_loop_hook != NULL) |
1144 | detach = ui_loop_hook (0); | |
0714f9bf | 1145 | |
450005e7 CF |
1146 | if (detach) |
1147 | child_kill_inferior (); | |
1148 | } | |
1149 | } | |
24e60978 SC |
1150 | } |
1151 | ||
9d3789f7 CF |
1152 | static void |
1153 | do_initial_child_stuff (DWORD pid) | |
1154 | { | |
1155 | extern int stop_after_trap; | |
fa4ba8da | 1156 | int i; |
9d3789f7 | 1157 | |
7393af7c | 1158 | last_sig = TARGET_SIGNAL_0; |
9d3789f7 CF |
1159 | event_count = 0; |
1160 | exception_count = 0; | |
fa4ba8da PM |
1161 | debug_registers_changed = 0; |
1162 | debug_registers_used = 0; | |
1163 | for (i = 0; i < sizeof (dr) / sizeof (dr[0]); i++) | |
1164 | dr[i] = 0; | |
9d3789f7 CF |
1165 | current_event.dwProcessId = pid; |
1166 | memset (¤t_event, 0, sizeof (current_event)); | |
1167 | push_target (&child_ops); | |
1168 | child_init_thread_list (); | |
1169 | child_clear_solibs (); | |
1170 | clear_proceed_status (); | |
1171 | init_wait_for_inferior (); | |
1172 | ||
1173 | target_terminal_init (); | |
1174 | target_terminal_inferior (); | |
1175 | ||
1176 | while (1) | |
1177 | { | |
1178 | stop_after_trap = 1; | |
1179 | wait_for_inferior (); | |
1180 | if (stop_signal != TARGET_SIGNAL_TRAP) | |
1181 | resume (0, stop_signal); | |
1182 | else | |
1183 | break; | |
1184 | } | |
1185 | stop_after_trap = 0; | |
1186 | return; | |
1187 | } | |
1188 | ||
02cc9f49 CV |
1189 | /* Since Windows XP, detaching from a process is supported by Windows. |
1190 | The following code tries loading the appropriate functions dynamically. | |
1191 | If loading these functions succeeds use them to actually detach from | |
1192 | the inferior process, otherwise behave as usual, pretending that | |
1193 | detach has worked. */ | |
1194 | static BOOL WINAPI (*DebugSetProcessKillOnExit)(BOOL); | |
1195 | static BOOL WINAPI (*DebugActiveProcessStop)(DWORD); | |
1196 | ||
1197 | static int | |
1198 | has_detach_ability () | |
1199 | { | |
1200 | static HMODULE kernel32 = NULL; | |
1201 | ||
1202 | if (!kernel32) | |
1203 | kernel32 = LoadLibrary ("kernel32.dll"); | |
1204 | if (kernel32) | |
1205 | { | |
1206 | if (!DebugSetProcessKillOnExit) | |
1207 | DebugSetProcessKillOnExit = GetProcAddress (kernel32, | |
1208 | "DebugSetProcessKillOnExit"); | |
1209 | if (!DebugActiveProcessStop) | |
1210 | DebugActiveProcessStop = GetProcAddress (kernel32, | |
1211 | "DebugActiveProcessStop"); | |
1212 | if (DebugSetProcessKillOnExit && DebugActiveProcessStop) | |
1213 | return 1; | |
1214 | } | |
1215 | return 0; | |
1216 | } | |
24e60978 | 1217 | |
02cc9f49 | 1218 | /* Attach to process PID, then initialize for debugging it. */ |
24e60978 | 1219 | static void |
fba45db2 | 1220 | child_attach (char *args, int from_tty) |
24e60978 SC |
1221 | { |
1222 | BOOL ok; | |
559e75c0 | 1223 | DWORD pid; |
24e60978 SC |
1224 | |
1225 | if (!args) | |
1226 | error_no_arg ("process-id to attach"); | |
1227 | ||
559e75c0 | 1228 | pid = strtoul (args, 0, 0); |
9d3789f7 | 1229 | ok = DebugActiveProcess (pid); |
24e60978 SC |
1230 | |
1231 | if (!ok) | |
1232 | error ("Can't attach to process."); | |
1233 | ||
02cc9f49 CV |
1234 | if (has_detach_ability ()) |
1235 | { | |
1236 | attach_flag = 1; | |
1237 | DebugSetProcessKillOnExit (FALSE); | |
1238 | } | |
1239 | ||
24e60978 SC |
1240 | if (from_tty) |
1241 | { | |
1242 | char *exec_file = (char *) get_exec_file (0); | |
1243 | ||
1244 | if (exec_file) | |
1245 | printf_unfiltered ("Attaching to program `%s', %s\n", exec_file, | |
39f77062 | 1246 | target_pid_to_str (pid_to_ptid (pid))); |
24e60978 SC |
1247 | else |
1248 | printf_unfiltered ("Attaching to %s\n", | |
39f77062 | 1249 | target_pid_to_str (pid_to_ptid (pid))); |
24e60978 SC |
1250 | |
1251 | gdb_flush (gdb_stdout); | |
1252 | } | |
1253 | ||
9d3789f7 CF |
1254 | do_initial_child_stuff (pid); |
1255 | target_terminal_ours (); | |
24e60978 SC |
1256 | } |
1257 | ||
24e60978 | 1258 | static void |
0a65a603 | 1259 | child_detach (char *args, int from_tty) |
24e60978 | 1260 | { |
02cc9f49 CV |
1261 | int detached = 1; |
1262 | ||
1263 | if (has_detach_ability ()) | |
1264 | { | |
1265 | delete_command (NULL, 0); | |
1266 | child_continue (DBG_CONTINUE, -1); | |
1267 | if (!DebugActiveProcessStop (current_event.dwProcessId)) | |
3bccec63 | 1268 | { |
02cc9f49 CV |
1269 | error ("Can't detach process %lu (error %lu)", |
1270 | current_event.dwProcessId, GetLastError ()); | |
1271 | detached = 0; | |
3bccec63 | 1272 | } |
02cc9f49 CV |
1273 | DebugSetProcessKillOnExit (FALSE); |
1274 | } | |
1275 | if (detached && from_tty) | |
24e60978 SC |
1276 | { |
1277 | char *exec_file = get_exec_file (0); | |
1278 | if (exec_file == 0) | |
1279 | exec_file = ""; | |
02cc9f49 CV |
1280 | printf_unfiltered ("Detaching from program: %s, Pid %lu\n", exec_file, |
1281 | current_event.dwProcessId); | |
24e60978 SC |
1282 | gdb_flush (gdb_stdout); |
1283 | } | |
39f77062 | 1284 | inferior_ptid = null_ptid; |
24e60978 SC |
1285 | unpush_target (&child_ops); |
1286 | } | |
1287 | ||
24e60978 SC |
1288 | /* Print status information about what we're accessing. */ |
1289 | ||
1290 | static void | |
0a65a603 | 1291 | child_files_info (struct target_ops *ignore) |
24e60978 SC |
1292 | { |
1293 | printf_unfiltered ("\tUsing the running image of %s %s.\n", | |
39f77062 | 1294 | attach_flag ? "attached" : "child", target_pid_to_str (inferior_ptid)); |
24e60978 SC |
1295 | } |
1296 | ||
1297 | /* ARGSUSED */ | |
1298 | static void | |
0a65a603 | 1299 | child_open (char *arg, int from_tty) |
24e60978 SC |
1300 | { |
1301 | error ("Use the \"run\" command to start a Unix child process."); | |
1302 | } | |
1303 | ||
39f77062 | 1304 | /* Start an inferior win32 child process and sets inferior_ptid to its pid. |
24e60978 SC |
1305 | EXEC_FILE is the file to run. |
1306 | ALLARGS is a string containing the arguments to the program. | |
1307 | ENV is the environment vector to pass. Errors reported with error(). */ | |
1308 | ||
24e60978 | 1309 | static void |
fba45db2 | 1310 | child_create_inferior (char *exec_file, char *allargs, char **env) |
24e60978 | 1311 | { |
1750a5ef SC |
1312 | char real_path[MAXPATHLEN]; |
1313 | char *winenv; | |
1314 | char *temp; | |
3a4b77d8 | 1315 | int envlen; |
1750a5ef | 1316 | int i; |
24e60978 SC |
1317 | STARTUPINFO si; |
1318 | PROCESS_INFORMATION pi; | |
24e60978 SC |
1319 | BOOL ret; |
1320 | DWORD flags; | |
eb708f2e | 1321 | char *args; |
24e60978 SC |
1322 | |
1323 | if (!exec_file) | |
450005e7 | 1324 | error ("No executable specified, use `target exec'.\n"); |
24e60978 SC |
1325 | |
1326 | memset (&si, 0, sizeof (si)); | |
1327 | si.cb = sizeof (si); | |
1328 | ||
29fe111d | 1329 | cygwin_conv_to_win32_path (exec_file, real_path); |
24e60978 | 1330 | |
3cee93ac | 1331 | flags = DEBUG_ONLY_THIS_PROCESS; |
24e60978 SC |
1332 | |
1333 | if (new_group) | |
1334 | flags |= CREATE_NEW_PROCESS_GROUP; | |
1335 | ||
1336 | if (new_console) | |
1337 | flags |= CREATE_NEW_CONSOLE; | |
1338 | ||
3d78f532 SC |
1339 | args = alloca (strlen (real_path) + strlen (allargs) + 2); |
1340 | ||
1341 | strcpy (args, real_path); | |
eb708f2e | 1342 | |
eb708f2e SC |
1343 | strcat (args, " "); |
1344 | strcat (args, allargs); | |
1345 | ||
e88c49c3 DE |
1346 | /* Prepare the environment vars for CreateProcess. */ |
1347 | { | |
1348 | /* This code use to assume all env vars were file names and would | |
1349 | translate them all to win32 style. That obviously doesn't work in the | |
2dcfc9c7 DE |
1350 | general case. The current rule is that we only translate PATH. |
1351 | We need to handle PATH because we're about to call CreateProcess and | |
1352 | it uses PATH to find DLL's. Fortunately PATH has a well-defined value | |
1353 | in both posix and win32 environments. cygwin.dll will change it back | |
1354 | to posix style if necessary. */ | |
e88c49c3 DE |
1355 | |
1356 | static const char *conv_path_names[] = | |
3a4b77d8 JM |
1357 | { |
1358 | "PATH=", | |
1359 | 0 | |
1360 | }; | |
e88c49c3 DE |
1361 | |
1362 | /* CreateProcess takes the environment list as a null terminated set of | |
1363 | strings (i.e. two nulls terminate the list). */ | |
1364 | ||
1365 | /* Get total size for env strings. */ | |
1366 | for (envlen = 0, i = 0; env[i] && *env[i]; i++) | |
1367 | { | |
2dcfc9c7 | 1368 | int j, len; |
e88c49c3 | 1369 | |
2dcfc9c7 DE |
1370 | for (j = 0; conv_path_names[j]; j++) |
1371 | { | |
1372 | len = strlen (conv_path_names[j]); | |
1373 | if (strncmp (conv_path_names[j], env[i], len) == 0) | |
e88c49c3 | 1374 | { |
29fe111d | 1375 | if (cygwin_posix_path_list_p (env[i] + len)) |
2dcfc9c7 | 1376 | envlen += len |
29fe111d | 1377 | + cygwin_posix_to_win32_path_list_buf_size (env[i] + len); |
2dcfc9c7 DE |
1378 | else |
1379 | envlen += strlen (env[i]) + 1; | |
1380 | break; | |
e88c49c3 | 1381 | } |
e88c49c3 | 1382 | } |
2dcfc9c7 | 1383 | if (conv_path_names[j] == NULL) |
e88c49c3 DE |
1384 | envlen += strlen (env[i]) + 1; |
1385 | } | |
1386 | ||
1387 | winenv = alloca (envlen + 1); | |
1388 | ||
1389 | /* Copy env strings into new buffer. */ | |
3cee93ac | 1390 | for (temp = winenv, i = 0; env[i] && *env[i]; i++) |
e88c49c3 | 1391 | { |
2dcfc9c7 | 1392 | int j, len; |
e88c49c3 | 1393 | |
2dcfc9c7 DE |
1394 | for (j = 0; conv_path_names[j]; j++) |
1395 | { | |
1396 | len = strlen (conv_path_names[j]); | |
1397 | if (strncmp (conv_path_names[j], env[i], len) == 0) | |
e88c49c3 | 1398 | { |
29fe111d | 1399 | if (cygwin_posix_path_list_p (env[i] + len)) |
e88c49c3 DE |
1400 | { |
1401 | memcpy (temp, env[i], len); | |
29fe111d | 1402 | cygwin_posix_to_win32_path_list (env[i] + len, temp + len); |
e88c49c3 | 1403 | } |
2dcfc9c7 DE |
1404 | else |
1405 | strcpy (temp, env[i]); | |
1406 | break; | |
e88c49c3 | 1407 | } |
e88c49c3 | 1408 | } |
2dcfc9c7 | 1409 | if (conv_path_names[j] == NULL) |
e88c49c3 | 1410 | strcpy (temp, env[i]); |
2dcfc9c7 | 1411 | |
e88c49c3 DE |
1412 | temp += strlen (temp) + 1; |
1413 | } | |
1414 | ||
1415 | /* Final nil string to terminate new env. */ | |
1416 | *temp = 0; | |
1417 | } | |
1750a5ef | 1418 | |
1750a5ef | 1419 | ret = CreateProcess (0, |
3a4b77d8 | 1420 | args, /* command line */ |
24e60978 SC |
1421 | NULL, /* Security */ |
1422 | NULL, /* thread */ | |
1423 | TRUE, /* inherit handles */ | |
1424 | flags, /* start flags */ | |
1750a5ef | 1425 | winenv, |
24e60978 SC |
1426 | NULL, /* current directory */ |
1427 | &si, | |
1428 | &pi); | |
1429 | if (!ret) | |
3a4b77d8 | 1430 | error ("Error creating process %s, (error %d)\n", exec_file, GetLastError ()); |
24e60978 | 1431 | |
700b351b CF |
1432 | CloseHandle (pi.hThread); |
1433 | CloseHandle (pi.hProcess); | |
9d3789f7 | 1434 | do_initial_child_stuff (pi.dwProcessId); |
d3a09475 | 1435 | |
8e860359 | 1436 | /* child_continue (DBG_CONTINUE, -1); */ |
1e37c281 | 1437 | proceed ((CORE_ADDR) - 1, TARGET_SIGNAL_0, 0); |
24e60978 SC |
1438 | } |
1439 | ||
1440 | static void | |
fba45db2 | 1441 | child_mourn_inferior (void) |
24e60978 | 1442 | { |
8a892701 | 1443 | (void) child_continue (DBG_CONTINUE, -1); |
fa4ba8da | 1444 | i386_cleanup_dregs(); |
24e60978 SC |
1445 | unpush_target (&child_ops); |
1446 | generic_mourn_inferior (); | |
1447 | } | |
1448 | ||
24e60978 SC |
1449 | /* Send a SIGINT to the process group. This acts just like the user typed a |
1450 | ^C on the controlling terminal. */ | |
1451 | ||
b607efe7 | 1452 | static void |
fba45db2 | 1453 | child_stop (void) |
24e60978 | 1454 | { |
1ef980b9 | 1455 | DEBUG_EVENTS (("gdb: GenerateConsoleCtrlEvent (CTRLC_EVENT, 0)\n")); |
1e37c281 | 1456 | CHECK (GenerateConsoleCtrlEvent (CTRL_C_EVENT, current_event.dwProcessId)); |
3a4b77d8 | 1457 | registers_changed (); /* refresh register state */ |
24e60978 SC |
1458 | } |
1459 | ||
1460 | int | |
eb708f2e | 1461 | child_xfer_memory (CORE_ADDR memaddr, char *our, int len, |
0a65a603 AC |
1462 | int write, struct mem_attrib *mem, |
1463 | struct target_ops *target) | |
24e60978 SC |
1464 | { |
1465 | DWORD done; | |
1466 | if (write) | |
1467 | { | |
29fe111d CF |
1468 | DEBUG_MEM (("gdb: write target memory, %d bytes at 0x%08lx\n", |
1469 | len, (DWORD) memaddr)); | |
3cee93ac CF |
1470 | WriteProcessMemory (current_process_handle, (LPVOID) memaddr, our, |
1471 | len, &done); | |
1472 | FlushInstructionCache (current_process_handle, (LPCVOID) memaddr, len); | |
24e60978 SC |
1473 | } |
1474 | else | |
1475 | { | |
29fe111d CF |
1476 | DEBUG_MEM (("gdb: read target memory, %d bytes at 0x%08lx\n", |
1477 | len, (DWORD) memaddr)); | |
3cee93ac CF |
1478 | ReadProcessMemory (current_process_handle, (LPCVOID) memaddr, our, len, |
1479 | &done); | |
24e60978 SC |
1480 | } |
1481 | return done; | |
1482 | } | |
1483 | ||
1484 | void | |
1485 | child_kill_inferior (void) | |
1486 | { | |
3cee93ac CF |
1487 | CHECK (TerminateProcess (current_process_handle, 0)); |
1488 | ||
b5edcb45 ILT |
1489 | for (;;) |
1490 | { | |
8a892701 | 1491 | if (!child_continue (DBG_CONTINUE, -1)) |
b5edcb45 | 1492 | break; |
3cee93ac | 1493 | if (!WaitForDebugEvent (¤t_event, INFINITE)) |
b5edcb45 | 1494 | break; |
3cee93ac | 1495 | if (current_event.dwDebugEventCode == EXIT_PROCESS_DEBUG_EVENT) |
b5edcb45 ILT |
1496 | break; |
1497 | } | |
1498 | ||
3cee93ac CF |
1499 | CHECK (CloseHandle (current_process_handle)); |
1500 | ||
1501 | /* this may fail in an attached process so don't check. */ | |
1502 | (void) CloseHandle (current_thread->h); | |
3a4b77d8 | 1503 | target_mourn_inferior (); /* or just child_mourn_inferior? */ |
24e60978 SC |
1504 | } |
1505 | ||
1506 | void | |
39f77062 | 1507 | child_resume (ptid_t ptid, int step, enum target_signal sig) |
24e60978 | 1508 | { |
3cee93ac | 1509 | thread_info *th; |
7393af7c PM |
1510 | DWORD continue_status = DBG_CONTINUE; |
1511 | ||
39f77062 | 1512 | int pid = PIDGET (ptid); |
8a892701 | 1513 | |
7393af7c PM |
1514 | if (sig != TARGET_SIGNAL_0) |
1515 | { | |
1516 | if (current_event.dwDebugEventCode != EXCEPTION_DEBUG_EVENT) | |
1517 | { | |
1518 | DEBUG_EXCEPT(("Cannot continue with signal %d here.\n",sig)); | |
1519 | } | |
1520 | else if (sig == last_sig) | |
1521 | continue_status = DBG_EXCEPTION_NOT_HANDLED; | |
1522 | else | |
1523 | #if 0 | |
1524 | /* This code does not seem to work, because | |
1525 | the kernel does probably not consider changes in the ExceptionRecord | |
1526 | structure when passing the exception to the inferior. | |
1527 | Note that this seems possible in the exception handler itself. */ | |
1528 | { | |
1529 | int i; | |
1530 | for (i = 0; xlate[i].them != -1; i++) | |
1531 | if (xlate[i].us == sig) | |
1532 | { | |
1533 | current_event.u.Exception.ExceptionRecord.ExceptionCode = | |
1534 | xlate[i].them; | |
1535 | continue_status = DBG_EXCEPTION_NOT_HANDLED; | |
1536 | break; | |
1537 | } | |
1538 | if (continue_status == DBG_CONTINUE) | |
1539 | { | |
1540 | DEBUG_EXCEPT(("Cannot continue with signal %d.\n",sig)); | |
1541 | } | |
1542 | } | |
1543 | #endif | |
1544 | DEBUG_EXCEPT(("Can only continue with recieved signal %d.\n", | |
1545 | last_sig)); | |
1546 | } | |
1547 | ||
1548 | last_sig = TARGET_SIGNAL_0; | |
24e60978 | 1549 | |
3cee93ac CF |
1550 | DEBUG_EXEC (("gdb: child_resume (pid=%d, step=%d, sig=%d);\n", |
1551 | pid, step, sig)); | |
1552 | ||
1553 | /* Get context for currently selected thread */ | |
1554 | th = thread_rec (current_event.dwThreadId, FALSE); | |
450005e7 | 1555 | if (th) |
24e60978 | 1556 | { |
450005e7 CF |
1557 | if (step) |
1558 | { | |
1559 | /* Single step by setting t bit */ | |
1560 | child_fetch_inferior_registers (PS_REGNUM); | |
1561 | th->context.EFlags |= FLAG_TRACE_BIT; | |
1562 | } | |
24e60978 | 1563 | |
450005e7 CF |
1564 | if (th->context.ContextFlags) |
1565 | { | |
fa4ba8da PM |
1566 | if (debug_registers_changed) |
1567 | { | |
1568 | th->context.Dr0 = dr[0]; | |
1569 | th->context.Dr1 = dr[1]; | |
1570 | th->context.Dr2 = dr[2]; | |
1571 | th->context.Dr3 = dr[3]; | |
1572 | /* th->context.Dr6 = dr[6]; | |
1573 | FIXME: should we set dr6 also ?? */ | |
1574 | th->context.Dr7 = dr[7]; | |
1575 | } | |
450005e7 CF |
1576 | CHECK (SetThreadContext (th->h, &th->context)); |
1577 | th->context.ContextFlags = 0; | |
1578 | } | |
24e60978 SC |
1579 | } |
1580 | ||
3cee93ac CF |
1581 | /* Allow continuing with the same signal that interrupted us. |
1582 | Otherwise complain. */ | |
24e60978 | 1583 | |
8a892701 | 1584 | child_continue (continue_status, pid); |
24e60978 SC |
1585 | } |
1586 | ||
1587 | static void | |
fba45db2 | 1588 | child_prepare_to_store (void) |
24e60978 SC |
1589 | { |
1590 | /* Do nothing, since we can store individual regs */ | |
1591 | } | |
1592 | ||
1593 | static int | |
fba45db2 | 1594 | child_can_run (void) |
24e60978 SC |
1595 | { |
1596 | return 1; | |
1597 | } | |
1598 | ||
1599 | static void | |
0a65a603 | 1600 | child_close (int x) |
24e60978 | 1601 | { |
39f77062 | 1602 | DEBUG_EVENTS (("gdb: child_close, inferior_ptid=%d\n", |
3bccec63 | 1603 | PIDGET (inferior_ptid))); |
24e60978 | 1604 | } |
1ef980b9 | 1605 | |
3a4b77d8 | 1606 | struct target_ops child_ops; |
c719b714 | 1607 | |
3a4b77d8 JM |
1608 | static void |
1609 | init_child_ops (void) | |
24e60978 | 1610 | { |
3a4b77d8 JM |
1611 | child_ops.to_shortname = "child"; |
1612 | child_ops.to_longname = "Win32 child process"; | |
1613 | child_ops.to_doc = "Win32 child process (started by the \"run\" command)."; | |
1614 | child_ops.to_open = child_open; | |
1615 | child_ops.to_close = child_close; | |
1616 | child_ops.to_attach = child_attach; | |
1617 | child_ops.to_detach = child_detach; | |
1618 | child_ops.to_resume = child_resume; | |
1619 | child_ops.to_wait = child_wait; | |
1620 | child_ops.to_fetch_registers = child_fetch_inferior_registers; | |
1621 | child_ops.to_store_registers = child_store_inferior_registers; | |
1622 | child_ops.to_prepare_to_store = child_prepare_to_store; | |
1623 | child_ops.to_xfer_memory = child_xfer_memory; | |
1624 | child_ops.to_files_info = child_files_info; | |
1625 | child_ops.to_insert_breakpoint = memory_insert_breakpoint; | |
1626 | child_ops.to_remove_breakpoint = memory_remove_breakpoint; | |
1627 | child_ops.to_terminal_init = terminal_init_inferior; | |
1628 | child_ops.to_terminal_inferior = terminal_inferior; | |
1629 | child_ops.to_terminal_ours_for_output = terminal_ours_for_output; | |
1630 | child_ops.to_terminal_ours = terminal_ours; | |
1631 | child_ops.to_terminal_info = child_terminal_info; | |
1632 | child_ops.to_kill = child_kill_inferior; | |
1633 | child_ops.to_load = 0; | |
1634 | child_ops.to_lookup_symbol = 0; | |
1635 | child_ops.to_create_inferior = child_create_inferior; | |
1636 | child_ops.to_mourn_inferior = child_mourn_inferior; | |
1637 | child_ops.to_can_run = child_can_run; | |
1638 | child_ops.to_notice_signals = 0; | |
1639 | child_ops.to_thread_alive = win32_child_thread_alive; | |
d3a09475 | 1640 | child_ops.to_pid_to_str = cygwin_pid_to_str; |
3a4b77d8 JM |
1641 | child_ops.to_stop = child_stop; |
1642 | child_ops.to_stratum = process_stratum; | |
1643 | child_ops.DONT_USE = 0; | |
1644 | child_ops.to_has_all_memory = 1; | |
1645 | child_ops.to_has_memory = 1; | |
1646 | child_ops.to_has_stack = 1; | |
1647 | child_ops.to_has_registers = 1; | |
1648 | child_ops.to_has_execution = 1; | |
1649 | child_ops.to_sections = 0; | |
1650 | child_ops.to_sections_end = 0; | |
1651 | child_ops.to_magic = OPS_MAGIC; | |
c719b714 | 1652 | } |
24e60978 SC |
1653 | |
1654 | void | |
fba45db2 | 1655 | _initialize_inftarg (void) |
24e60978 | 1656 | { |
fa58ee11 EZ |
1657 | struct cmd_list_element *c; |
1658 | ||
3a4b77d8 | 1659 | init_child_ops (); |
1ef980b9 | 1660 | |
fa58ee11 EZ |
1661 | c = add_com ("dll-symbols", class_files, dll_symbol_command, |
1662 | "Load dll library symbols from FILE."); | |
1663 | c->completer = filename_completer; | |
450005e7 CF |
1664 | |
1665 | add_com_alias ("sharedlibrary", "dll-symbols", class_alias, 1); | |
1666 | ||
1667 | add_show_from_set (add_set_cmd ("new-console", class_support, var_boolean, | |
8e860359 CF |
1668 | (char *) &new_console, |
1669 | "Set creation of new console when creating child process.", | |
1670 | &setlist), | |
1671 | &showlist); | |
24e60978 | 1672 | |
450005e7 | 1673 | add_show_from_set (add_set_cmd ("new-group", class_support, var_boolean, |
8e860359 CF |
1674 | (char *) &new_group, |
1675 | "Set creation of new group when creating child process.", | |
1676 | &setlist), | |
1677 | &showlist); | |
24e60978 | 1678 | |
450005e7 | 1679 | add_show_from_set (add_set_cmd ("debugexec", class_support, var_boolean, |
8e860359 CF |
1680 | (char *) &debug_exec, |
1681 | "Set whether to display execution in child process.", | |
1682 | &setlist), | |
1683 | &showlist); | |
1ef980b9 | 1684 | |
450005e7 | 1685 | add_show_from_set (add_set_cmd ("debugevents", class_support, var_boolean, |
8e860359 CF |
1686 | (char *) &debug_events, |
1687 | "Set whether to display kernel events in child process.", | |
1688 | &setlist), | |
1689 | &showlist); | |
1ef980b9 | 1690 | |
450005e7 | 1691 | add_show_from_set (add_set_cmd ("debugmemory", class_support, var_boolean, |
8e860359 CF |
1692 | (char *) &debug_memory, |
1693 | "Set whether to display memory accesses in child process.", | |
1694 | &setlist), | |
1695 | &showlist); | |
1ef980b9 | 1696 | |
450005e7 | 1697 | add_show_from_set (add_set_cmd ("debugexceptions", class_support, var_boolean, |
8e860359 CF |
1698 | (char *) &debug_exceptions, |
1699 | "Set whether to display kernel exceptions in child process.", | |
1700 | &setlist), | |
1701 | &showlist); | |
1ef980b9 | 1702 | |
450005e7 CF |
1703 | add_info ("dll", info_dll_command, "Status of loaded DLLs."); |
1704 | add_info_alias ("sharedlibrary", "dll", 1); | |
1705 | ||
24e60978 SC |
1706 | add_target (&child_ops); |
1707 | } | |
3cee93ac | 1708 | |
fa4ba8da PM |
1709 | /* Hardware watchpoint support, adapted from go32-nat.c code. */ |
1710 | ||
1711 | /* Pass the address ADDR to the inferior in the I'th debug register. | |
1712 | Here we just store the address in dr array, the registers will be | |
1713 | actually set up when child_continue is called. */ | |
1714 | void | |
1715 | cygwin_set_dr (int i, CORE_ADDR addr) | |
1716 | { | |
1717 | if (i < 0 || i > 3) | |
1718 | internal_error (__FILE__, __LINE__, | |
1719 | "Invalid register %d in cygwin_set_dr.\n", i); | |
1720 | dr[i] = (unsigned) addr; | |
1721 | debug_registers_changed = 1; | |
1722 | debug_registers_used = 1; | |
1723 | } | |
1724 | ||
1725 | /* Pass the value VAL to the inferior in the DR7 debug control | |
1726 | register. Here we just store the address in D_REGS, the watchpoint | |
1727 | will be actually set up in child_wait. */ | |
1728 | void | |
1729 | cygwin_set_dr7 (unsigned val) | |
1730 | { | |
1731 | dr[7] = val; | |
1732 | debug_registers_changed = 1; | |
1733 | debug_registers_used = 1; | |
1734 | } | |
1735 | ||
1736 | /* Get the value of the DR6 debug status register from the inferior. | |
1737 | Here we just return the value stored in dr[6] | |
1738 | by the last call to thread_rec for current_event.dwThreadId id. */ | |
1739 | unsigned | |
1740 | cygwin_get_dr6 (void) | |
1741 | { | |
1742 | return dr[6]; | |
1743 | } | |
1744 | ||
1745 | ||
3cee93ac CF |
1746 | /* Determine if the thread referenced by "pid" is alive |
1747 | by "polling" it. If WaitForSingleObject returns WAIT_OBJECT_0 | |
1748 | it means that the pid has died. Otherwise it is assumed to be alive. */ | |
1749 | static int | |
39f77062 | 1750 | win32_child_thread_alive (ptid_t ptid) |
3cee93ac | 1751 | { |
39f77062 KB |
1752 | int pid = PIDGET (ptid); |
1753 | ||
3a4b77d8 JM |
1754 | return WaitForSingleObject (thread_rec (pid, FALSE)->h, 0) == WAIT_OBJECT_0 ? |
1755 | FALSE : TRUE; | |
3cee93ac CF |
1756 | } |
1757 | ||
1758 | /* Convert pid to printable format. */ | |
1759 | char * | |
39f77062 | 1760 | cygwin_pid_to_str (ptid_t ptid) |
3cee93ac CF |
1761 | { |
1762 | static char buf[80]; | |
39f77062 KB |
1763 | int pid = PIDGET (ptid); |
1764 | ||
29fe111d | 1765 | if ((DWORD) pid == current_event.dwProcessId) |
3cee93ac CF |
1766 | sprintf (buf, "process %d", pid); |
1767 | else | |
29fe111d | 1768 | sprintf (buf, "thread %ld.0x%x", current_event.dwProcessId, pid); |
3cee93ac CF |
1769 | return buf; |
1770 | } | |
8e860359 CF |
1771 | |
1772 | static int | |
1773 | core_dll_symbols_add (char *dll_name, DWORD base_addr) | |
1774 | { | |
1775 | struct objfile *objfile; | |
1776 | char *objfile_basename; | |
1777 | const char *dll_basename; | |
1778 | ||
1779 | if (!(dll_basename = strrchr (dll_name, '/'))) | |
1780 | dll_basename = dll_name; | |
1781 | else | |
1782 | dll_basename++; | |
1783 | ||
1784 | ALL_OBJFILES (objfile) | |
1785 | { | |
1786 | objfile_basename = strrchr (objfile->name, '/'); | |
1787 | ||
1788 | if (objfile_basename && | |
1789 | strcmp (dll_basename, objfile_basename + 1) == 0) | |
1790 | { | |
1791 | printf_unfiltered ("%08lx:%s (symbols previously loaded)\n", | |
1792 | base_addr, dll_name); | |
1793 | goto out; | |
1794 | } | |
1795 | } | |
1796 | ||
1797 | register_loaded_dll (dll_name, base_addr + 0x1000); | |
02e423b9 | 1798 | solib_symbols_add (dll_name, 0, (CORE_ADDR) base_addr + 0x1000); |
8e860359 CF |
1799 | |
1800 | out: | |
1801 | return 1; | |
1802 | } | |
1803 | ||
1804 | typedef struct | |
1805 | { | |
1806 | struct target_ops *target; | |
1807 | bfd_vma addr; | |
1808 | } | |
1809 | map_code_section_args; | |
1810 | ||
1811 | static void | |
554cb486 | 1812 | map_single_dll_code_section (bfd * abfd, asection * sect, void *obj) |
8e860359 CF |
1813 | { |
1814 | int old; | |
1815 | int update_coreops; | |
1816 | struct section_table *new_target_sect_ptr; | |
1817 | ||
1818 | map_code_section_args *args = (map_code_section_args *) obj; | |
1819 | struct target_ops *target = args->target; | |
1820 | if (sect->flags & SEC_CODE) | |
1821 | { | |
1822 | update_coreops = core_ops.to_sections == target->to_sections; | |
1823 | ||
1824 | if (target->to_sections) | |
1825 | { | |
1826 | old = target->to_sections_end - target->to_sections; | |
1827 | target->to_sections = (struct section_table *) | |
1828 | xrealloc ((char *) target->to_sections, | |
1829 | (sizeof (struct section_table)) * (1 + old)); | |
1830 | } | |
1831 | else | |
1832 | { | |
1833 | old = 0; | |
1834 | target->to_sections = (struct section_table *) | |
1835 | xmalloc ((sizeof (struct section_table))); | |
1836 | } | |
1837 | target->to_sections_end = target->to_sections + (1 + old); | |
1838 | ||
1839 | /* Update the to_sections field in the core_ops structure | |
3bccec63 | 1840 | if needed. */ |
8e860359 CF |
1841 | if (update_coreops) |
1842 | { | |
1843 | core_ops.to_sections = target->to_sections; | |
1844 | core_ops.to_sections_end = target->to_sections_end; | |
1845 | } | |
1846 | new_target_sect_ptr = target->to_sections + old; | |
1847 | new_target_sect_ptr->addr = args->addr + bfd_section_vma (abfd, sect); | |
1848 | new_target_sect_ptr->endaddr = args->addr + bfd_section_vma (abfd, sect) + | |
1849 | bfd_section_size (abfd, sect);; | |
1850 | new_target_sect_ptr->the_bfd_section = sect; | |
1851 | new_target_sect_ptr->bfd = abfd; | |
1852 | } | |
1853 | } | |
1854 | ||
1855 | static int | |
1856 | dll_code_sections_add (const char *dll_name, int base_addr, struct target_ops *target) | |
1857 | { | |
1858 | bfd *dll_bfd; | |
1859 | map_code_section_args map_args; | |
1860 | asection *lowest_sect; | |
1861 | char *name; | |
1862 | if (dll_name == NULL || target == NULL) | |
1863 | return 0; | |
66ed1d85 | 1864 | name = xstrdup (dll_name); |
8e860359 CF |
1865 | dll_bfd = bfd_openr (name, "pei-i386"); |
1866 | if (dll_bfd == NULL) | |
1867 | return 0; | |
1868 | ||
1869 | if (bfd_check_format (dll_bfd, bfd_object)) | |
1870 | { | |
1871 | lowest_sect = bfd_get_section_by_name (dll_bfd, ".text"); | |
1872 | if (lowest_sect == NULL) | |
1873 | return 0; | |
1874 | map_args.target = target; | |
1875 | map_args.addr = base_addr - bfd_section_vma (dll_bfd, lowest_sect); | |
1876 | ||
554cb486 | 1877 | bfd_map_over_sections (dll_bfd, &map_single_dll_code_section, (void *) (&map_args)); |
8e860359 CF |
1878 | } |
1879 | ||
1880 | return 1; | |
1881 | } | |
1882 | ||
1883 | static void | |
554cb486 | 1884 | core_section_load_dll_symbols (bfd * abfd, asection * sect, void *obj) |
8e860359 CF |
1885 | { |
1886 | struct target_ops *target = (struct target_ops *) obj; | |
1887 | ||
1888 | DWORD base_addr; | |
1889 | ||
1890 | int dll_name_size; | |
1891 | char *dll_name = NULL; | |
1892 | char *buf = NULL; | |
1893 | struct win32_pstatus *pstatus; | |
1894 | char *p; | |
1895 | ||
1896 | if (strncmp (sect->name, ".module", 7)) | |
1897 | return; | |
1898 | ||
1899 | buf = (char *) xmalloc (sect->_raw_size + 1); | |
1900 | if (!buf) | |
1901 | { | |
1902 | printf_unfiltered ("memory allocation failed for %s\n", sect->name); | |
1903 | goto out; | |
1904 | } | |
1905 | if (!bfd_get_section_contents (abfd, sect, buf, 0, sect->_raw_size)) | |
1906 | goto out; | |
1907 | ||
1908 | pstatus = (struct win32_pstatus *) buf; | |
1909 | ||
1910 | memmove (&base_addr, &(pstatus->data.module_info.base_address), sizeof (base_addr)); | |
1911 | dll_name_size = pstatus->data.module_info.module_name_size; | |
1912 | if (offsetof (struct win32_pstatus, data.module_info.module_name) + dll_name_size > sect->_raw_size) | |
1913 | goto out; | |
1914 | ||
1915 | dll_name = (char *) xmalloc (dll_name_size + 1); | |
1916 | if (!dll_name) | |
1917 | { | |
1918 | printf_unfiltered ("memory allocation failed for %s\n", sect->name); | |
1919 | goto out; | |
1920 | } | |
1921 | strncpy (dll_name, pstatus->data.module_info.module_name, dll_name_size); | |
1922 | ||
1923 | while ((p = strchr (dll_name, '\\'))) | |
1924 | *p = '/'; | |
1925 | ||
1926 | if (!core_dll_symbols_add (dll_name, (DWORD) base_addr)) | |
1927 | printf_unfiltered ("%s: Failed to load dll symbols.\n", dll_name); | |
1928 | ||
1929 | if (!dll_code_sections_add (dll_name, (DWORD) base_addr + 0x1000, target)) | |
1930 | printf_unfiltered ("%s: Failed to map dll code sections.\n", dll_name); | |
1931 | ||
1932 | out: | |
1933 | if (buf) | |
b8c9b27d | 1934 | xfree (buf); |
8e860359 | 1935 | if (dll_name) |
b8c9b27d | 1936 | xfree (dll_name); |
8e860359 CF |
1937 | return; |
1938 | } | |
1939 | ||
1940 | void | |
0a65a603 AC |
1941 | child_solib_add (char *filename, int from_tty, struct target_ops *target, |
1942 | int readsyms) | |
8e860359 | 1943 | { |
990f9fe3 FF |
1944 | if (!readsyms) |
1945 | return; | |
8e860359 CF |
1946 | if (core_bfd) |
1947 | { | |
1948 | child_clear_solibs (); | |
1949 | bfd_map_over_sections (core_bfd, &core_section_load_dll_symbols, target); | |
1950 | } | |
1951 | else | |
1952 | { | |
1953 | if (solib_end && solib_end->name) | |
d3ff4a77 | 1954 | solib_end->objfile = solib_symbols_add (solib_end->name, from_tty, |
3bccec63 | 1955 | solib_end->load_addr); |
8e860359 CF |
1956 | } |
1957 | } | |
1958 | ||
1959 | static void | |
1960 | fetch_elf_core_registers (char *core_reg_sect, | |
1961 | unsigned core_reg_size, | |
1962 | int which, | |
1963 | CORE_ADDR reg_addr) | |
1964 | { | |
1965 | int r; | |
1966 | if (core_reg_size < sizeof (CONTEXT)) | |
1967 | { | |
1968 | error ("Core file register section too small (%u bytes).", core_reg_size); | |
1969 | return; | |
1970 | } | |
1971 | for (r = 0; r < NUM_REGS; r++) | |
1972 | supply_register (r, core_reg_sect + mappings[r]); | |
1973 | } | |
1974 | ||
1975 | static struct core_fns win32_elf_core_fns = | |
1976 | { | |
1977 | bfd_target_elf_flavour, | |
1978 | default_check_format, | |
1979 | default_core_sniffer, | |
1980 | fetch_elf_core_registers, | |
1981 | NULL | |
1982 | }; | |
1983 | ||
1984 | void | |
0613c401 | 1985 | _initialize_core_win32 (void) |
8e860359 CF |
1986 | { |
1987 | add_core_fns (&win32_elf_core_fns); | |
1988 | } | |
2a3d5645 CF |
1989 | |
1990 | void | |
1991 | _initialize_check_for_gdb_ini (void) | |
1992 | { | |
1993 | char *homedir; | |
1994 | if (inhibit_gdbinit) | |
1995 | return; | |
1996 | ||
1997 | homedir = getenv ("HOME"); | |
1998 | if (homedir) | |
1999 | { | |
2000 | char *p; | |
2001 | char *oldini = (char *) alloca (strlen (homedir) + | |
2002 | sizeof ("/gdb.ini")); | |
2003 | strcpy (oldini, homedir); | |
2004 | p = strchr (oldini, '\0'); | |
2005 | if (p > oldini && p[-1] != '/') | |
2006 | *p++ = '/'; | |
2007 | strcpy (p, "gdb.ini"); | |
2008 | if (access (oldini, 0) == 0) | |
2009 | { | |
2010 | int len = strlen (oldini); | |
2011 | char *newini = alloca (len + 1); | |
2012 | sprintf (newini, "%.*s.gdbinit", len - (sizeof ("gdb.ini") - 1), oldini); | |
2013 | warning ("obsolete '%s' found. Rename to '%s'.", oldini, newini); | |
2014 | } | |
2015 | } | |
2016 | } |