1 /* Target-vector operations for controlling win32 child processes, for GDB.
2 Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001
3 Free Software Foundation, Inc.
4 Contributed by Cygnus Solutions, A Red Hat Company.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without eve nthe implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
23 /* by Steve Chamberlain, sac@cygnus.com */
25 /* We assume we're being built with and will be used for cygwin. */
28 #include "frame.h" /* required by inferior.h */
33 #include "completer.h"
36 #include <sys/types.h>
41 #include <sys/cygwin.h>
46 #include "gdb_string.h"
47 #include "gdbthread.h"
49 #include <sys/param.h>
52 /* The ui's event loop. */
53 extern int (*ui_loop_hook
) (int signo
);
55 /* If we're not using the old Cygwin header file set, define the
56 following which never should have been in the generic Win32 API
57 headers in the first place since they were our own invention... */
58 #ifndef _GNU_H_WINDOWS_H
61 FLAG_TRACE_BIT
= 0x100,
62 CONTEXT_DEBUGGER
= (CONTEXT_FULL
| CONTEXT_FLOATING_POINT
)
65 #include <sys/procfs.h>
68 /* The string sent by cygwin when it processes a signal.
69 FIXME: This should be in a cygwin include file. */
70 #define CYGWIN_SIGNAL_STRING "cygwin: signal"
72 #define CHECK(x) check (x, __FILE__,__LINE__)
73 #define DEBUG_EXEC(x) if (debug_exec) printf x
74 #define DEBUG_EVENTS(x) if (debug_events) printf x
75 #define DEBUG_MEM(x) if (debug_memory) printf x
76 #define DEBUG_EXCEPT(x) if (debug_exceptions) printf x
78 /* Forward declaration */
79 extern struct target_ops child_ops
;
81 static void child_stop (void);
82 static int win32_child_thread_alive (ptid_t
);
83 void child_kill_inferior (void);
85 static int last_sig
= 0; /* Set if a signal was received from the
87 /* Thread information structure used to track information that is
88 not available in gdb's thread structure. */
89 typedef struct thread_info_struct
91 struct thread_info_struct
*next
;
101 static thread_info thread_head
;
103 /* The process and thread handles for the above context. */
105 static DEBUG_EVENT current_event
; /* The current debug event from
107 static HANDLE current_process_handle
; /* Currently executing process */
108 static thread_info
*current_thread
; /* Info on currently selected thread */
109 static DWORD main_thread_id
; /* Thread ID of the main thread */
111 /* Counts of things. */
112 static int exception_count
= 0;
113 static int event_count
= 0;
116 static int new_console
= 0;
117 static int new_group
= 1;
118 static int debug_exec
= 0; /* show execution */
119 static int debug_events
= 0; /* show events from kernel */
120 static int debug_memory
= 0; /* show target memory accesses */
121 static int debug_exceptions
= 0; /* show target exceptions */
123 /* This vector maps GDB's idea of a register's number into an address
124 in the win32 exception context vector.
126 It also contains the bit mask needed to load the register in question.
128 One day we could read a reg, we could inspect the context we
129 already have loaded, if it doesn't have the bit set that we need,
130 we read that set of registers in using GetThreadContext. If the
131 context already contains what we need, we just unpack it. Then to
132 write a register, first we have to ensure that the context contains
133 the other regs of the group, and then we copy the info in and set
136 #define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
137 static const int mappings
[] =
139 context_offset (Eax
),
140 context_offset (Ecx
),
141 context_offset (Edx
),
142 context_offset (Ebx
),
143 context_offset (Esp
),
144 context_offset (Ebp
),
145 context_offset (Esi
),
146 context_offset (Edi
),
147 context_offset (Eip
),
148 context_offset (EFlags
),
149 context_offset (SegCs
),
150 context_offset (SegSs
),
151 context_offset (SegDs
),
152 context_offset (SegEs
),
153 context_offset (SegFs
),
154 context_offset (SegGs
),
155 context_offset (FloatSave
.RegisterArea
[0 * 10]),
156 context_offset (FloatSave
.RegisterArea
[1 * 10]),
157 context_offset (FloatSave
.RegisterArea
[2 * 10]),
158 context_offset (FloatSave
.RegisterArea
[3 * 10]),
159 context_offset (FloatSave
.RegisterArea
[4 * 10]),
160 context_offset (FloatSave
.RegisterArea
[5 * 10]),
161 context_offset (FloatSave
.RegisterArea
[6 * 10]),
162 context_offset (FloatSave
.RegisterArea
[7 * 10]),
163 context_offset (FloatSave
.ControlWord
),
164 context_offset (FloatSave
.StatusWord
),
165 context_offset (FloatSave
.TagWord
),
166 context_offset (FloatSave
.ErrorSelector
),
167 context_offset (FloatSave
.ErrorOffset
),
168 context_offset (FloatSave
.DataSelector
),
169 context_offset (FloatSave
.DataOffset
),
170 context_offset (FloatSave
.ErrorSelector
)
173 #undef context_offset
175 /* This vector maps the target's idea of an exception (extracted
176 from the DEBUG_EVENT structure) to GDB's idea. */
178 struct xlate_exception
181 enum target_signal us
;
184 static const struct xlate_exception
187 {EXCEPTION_ACCESS_VIOLATION
, TARGET_SIGNAL_SEGV
},
188 {STATUS_STACK_OVERFLOW
, TARGET_SIGNAL_SEGV
},
189 {EXCEPTION_BREAKPOINT
, TARGET_SIGNAL_TRAP
},
190 {DBG_CONTROL_C
, TARGET_SIGNAL_INT
},
191 {EXCEPTION_SINGLE_STEP
, TARGET_SIGNAL_TRAP
},
194 /* Find a thread record given a thread id.
195 If get_context then also retrieve the context for this
198 thread_rec (DWORD id
, int get_context
)
202 for (th
= &thread_head
; (th
= th
->next
) != NULL
;)
205 if (!th
->suspend_count
&& get_context
)
207 if (get_context
> 0 && id
!= current_event
.dwThreadId
)
208 th
->suspend_count
= SuspendThread (th
->h
) + 1;
209 else if (get_context
< 0)
210 th
->suspend_count
= -1;
212 th
->context
.ContextFlags
= CONTEXT_DEBUGGER
;
213 GetThreadContext (th
->h
, &th
->context
);
221 /* Add a thread to the thread list */
223 child_add_thread (DWORD id
, HANDLE h
)
227 if ((th
= thread_rec (id
, FALSE
)))
230 th
= (thread_info
*) xmalloc (sizeof (*th
));
231 memset (th
, 0, sizeof (*th
));
234 th
->next
= thread_head
.next
;
235 thread_head
.next
= th
;
236 add_thread (pid_to_ptid (id
));
240 /* Clear out any old thread list and reintialize it to a
243 child_init_thread_list (void)
245 thread_info
*th
= &thread_head
;
247 DEBUG_EVENTS (("gdb: child_init_thread_list\n"));
249 while (th
->next
!= NULL
)
251 thread_info
*here
= th
->next
;
252 th
->next
= here
->next
;
253 (void) CloseHandle (here
->h
);
258 /* Delete a thread from the list of threads */
260 child_delete_thread (DWORD id
)
265 printf_unfiltered ("[Deleting %s]\n", target_pid_to_str (pid_to_ptid (id
)));
266 delete_thread (pid_to_ptid (id
));
268 for (th
= &thread_head
;
269 th
->next
!= NULL
&& th
->next
->id
!= id
;
273 if (th
->next
!= NULL
)
275 thread_info
*here
= th
->next
;
276 th
->next
= here
->next
;
277 CloseHandle (here
->h
);
283 check (BOOL ok
, const char *file
, int line
)
286 printf_filtered ("error return %s:%d was %lu\n", file
, line
, GetLastError ());
290 do_child_fetch_inferior_registers (int r
)
292 char *context_offset
= ((char *) ¤t_thread
->context
) + mappings
[r
];
296 l
= *((long *) context_offset
) & 0xffff;
297 supply_register (r
, (char *) &l
);
299 else if (r
== FOP_REGNUM
)
301 l
= (*((long *) context_offset
) >> 16) & ((1 << 11) - 1);
302 supply_register (r
, (char *) &l
);
305 supply_register (r
, context_offset
);
308 for (r
= 0; r
< NUM_REGS
; r
++)
309 do_child_fetch_inferior_registers (r
);
314 child_fetch_inferior_registers (int r
)
316 current_thread
= thread_rec (PIDGET (inferior_ptid
), TRUE
);
317 do_child_fetch_inferior_registers (r
);
321 do_child_store_inferior_registers (int r
)
324 read_register_gen (r
, ((char *) ¤t_thread
->context
) + mappings
[r
]);
327 for (r
= 0; r
< NUM_REGS
; r
++)
328 do_child_store_inferior_registers (r
);
332 /* Store a new register value into the current thread context */
334 child_store_inferior_registers (int r
)
336 current_thread
= thread_rec (PIDGET (inferior_ptid
), TRUE
);
337 do_child_store_inferior_registers (r
);
340 static int psapi_loaded
= 0;
341 static HMODULE psapi_module_handle
= NULL
;
342 static BOOL
WINAPI (*psapi_EnumProcessModules
) (HANDLE
, HMODULE
*, DWORD
, LPDWORD
) = NULL
;
343 static BOOL
WINAPI (*psapi_GetModuleInformation
) (HANDLE
, HMODULE
, LPMODULEINFO
, DWORD
) = NULL
;
344 static DWORD
WINAPI (*psapi_GetModuleFileNameExA
) (HANDLE
, HMODULE
, LPSTR
, DWORD
) = NULL
;
347 psapi_get_dll_name (DWORD BaseAddress
, char *dll_name_ret
)
353 HMODULE
*DllHandle
= dh_buf
;
358 psapi_EnumProcessModules
== NULL
||
359 psapi_GetModuleInformation
== NULL
||
360 psapi_GetModuleFileNameExA
== NULL
)
365 psapi_module_handle
= LoadLibrary ("psapi.dll");
366 if (!psapi_module_handle
)
368 /* printf_unfiltered ("error loading psapi.dll: %u", GetLastError ()); */
371 psapi_EnumProcessModules
= GetProcAddress (psapi_module_handle
, "EnumProcessModules");
372 psapi_GetModuleInformation
= GetProcAddress (psapi_module_handle
, "GetModuleInformation");
373 psapi_GetModuleFileNameExA
= (void *) GetProcAddress (psapi_module_handle
,
374 "GetModuleFileNameExA");
375 if (psapi_EnumProcessModules
== NULL
||
376 psapi_GetModuleInformation
== NULL
||
377 psapi_GetModuleFileNameExA
== NULL
)
382 ok
= (*psapi_EnumProcessModules
) (current_process_handle
,
387 if (!ok
|| !cbNeeded
)
390 DllHandle
= (HMODULE
*) alloca (cbNeeded
);
394 ok
= (*psapi_EnumProcessModules
) (current_process_handle
,
401 for (i
= 0; i
< (int) (cbNeeded
/ sizeof (HMODULE
)); i
++)
403 if (!(*psapi_GetModuleInformation
) (current_process_handle
,
407 error ("Can't get module info");
409 len
= (*psapi_GetModuleFileNameExA
) (current_process_handle
,
414 error ("Error getting dll name: %u\n", GetLastError ());
416 if ((DWORD
) (mi
.lpBaseOfDll
) == BaseAddress
)
421 dll_name_ret
[0] = '\0';
425 /* Encapsulate the information required in a call to
426 symbol_file_add_args */
427 struct safe_symbol_file_add_args
431 struct section_addr_info
*addrs
;
434 struct ui_file
*err
, *out
;
438 /* Maintain a linked list of "so" information. */
441 struct so_stuff
*next
, **last
;
445 } solib_start
, *solib_end
;
447 /* Call symbol_file_add with stderr redirected. We don't care if there
450 safe_symbol_file_add_stub (void *argv
)
452 #define p ((struct safe_symbol_file_add_args *)argv)
453 struct so_stuff
*so
= &solib_start
;
455 while ((so
= so
->next
))
456 if (so
->loaded
&& strcasecmp (so
->name
, p
->name
) == 0)
458 p
->ret
= symbol_file_add (p
->name
, p
->from_tty
, p
->addrs
, p
->mainline
, p
->flags
);
463 /* Restore gdb's stderr after calling symbol_file_add */
465 safe_symbol_file_add_cleanup (void *p
)
467 #define sp ((struct safe_symbol_file_add_args *)p)
468 gdb_flush (gdb_stderr
);
469 gdb_flush (gdb_stdout
);
470 /* ui_file_delete (gdb_stderr); */
471 ui_file_delete (gdb_stdout
);
472 /* gdb_stderr = sp->err; */
473 gdb_stdout
= sp
->out
;
477 /* symbol_file_add wrapper that prevents errors from being displayed. */
478 static struct objfile
*
479 safe_symbol_file_add (char *name
, int from_tty
,
480 struct section_addr_info
*addrs
,
481 int mainline
, int flags
)
483 struct safe_symbol_file_add_args p
;
484 struct cleanup
*cleanup
;
486 cleanup
= make_cleanup (safe_symbol_file_add_cleanup
, &p
);
490 gdb_flush (gdb_stderr
);
491 gdb_flush (gdb_stdout
);
492 /* gdb_stderr = ui_file_new (); */
493 gdb_stdout
= ui_file_new ();
495 p
.from_tty
= from_tty
;
497 p
.mainline
= mainline
;
499 catch_errors (safe_symbol_file_add_stub
, &p
, "", RETURN_MASK_ERROR
);
501 do_cleanups (cleanup
);
505 /* Remember the maximum DLL length for printing in info dll command. */
506 int max_dll_name_len
;
509 register_loaded_dll (const char *name
, DWORD load_addr
)
512 char ppath
[MAX_PATH
+ 1];
513 cygwin_conv_to_posix_path (name
, ppath
);
514 so
= (struct so_stuff
*) xmalloc (sizeof (struct so_stuff
) + strlen (ppath
) + 8 + 1);
516 so
->load_addr
= load_addr
;
517 strcpy (so
->name
, ppath
);
519 solib_end
->next
= so
;
524 /* Wait for child to do something. Return pid of child, or -1 in case
525 of error; store status through argument pointer OURSTATUS. */
527 handle_load_dll (void *dummy ATTRIBUTE_UNUSED
)
529 LOAD_DLL_DEBUG_INFO
*event
= ¤t_event
.u
.LoadDll
;
532 char dll_buf
[MAX_PATH
+ 1];
533 char *dll_name
= NULL
;
537 dll_buf
[0] = dll_buf
[sizeof (dll_buf
) - 1] = '\0';
539 if (!psapi_get_dll_name ((DWORD
) (event
->lpBaseOfDll
), dll_buf
))
540 dll_buf
[0] = dll_buf
[sizeof (dll_buf
) - 1] = '\0';
544 /* Attempt to read the name of the dll that was detected.
545 This is documented to work only when actively debugging
546 a program. It will not work for attached processes. */
547 if (dll_name
== NULL
|| *dll_name
== '\0')
549 DWORD size
= event
->fUnicode
? sizeof (WCHAR
) : sizeof (char);
553 ReadProcessMemory (current_process_handle
,
554 (LPCVOID
) event
->lpImageName
,
555 (char *) &dll_name_ptr
,
556 sizeof (dll_name_ptr
), &done
);
558 /* See if we could read the address of a string, and that the
559 address isn't null. */
561 if (done
!= sizeof (dll_name_ptr
) || !dll_name_ptr
)
566 ReadProcessMemory (current_process_handle
,
567 (LPCVOID
) (dll_name_ptr
+ len
* size
),
573 while ((b
[0] != 0 || b
[size
- 1] != 0) && done
== size
);
575 dll_name
= alloca (len
);
579 WCHAR
*unicode_dll_name
= (WCHAR
*) alloca (len
* sizeof (WCHAR
));
580 ReadProcessMemory (current_process_handle
,
581 (LPCVOID
) dll_name_ptr
,
583 len
* sizeof (WCHAR
),
586 WideCharToMultiByte (CP_ACP
, 0,
587 unicode_dll_name
, len
,
588 dll_name
, len
, 0, 0);
592 ReadProcessMemory (current_process_handle
,
593 (LPCVOID
) dll_name_ptr
,
603 while ((p
= strchr (dll_name
, '\\')))
606 register_loaded_dll (dll_name
, (DWORD
) event
->lpBaseOfDll
+ 0x1000);
607 len
= strlen (dll_name
);
608 if (len
> max_dll_name_len
)
609 max_dll_name_len
= len
;
614 /* Return name of last loaded DLL. */
616 child_solib_loaded_library_pathname (int pid ATTRIBUTE_UNUSED
)
618 return !solib_end
|| !solib_end
->name
[0] ? NULL
: solib_end
->name
;
621 /* Clear list of loaded DLLs. */
623 child_clear_solibs (void)
625 struct so_stuff
*so
, *so1
= solib_start
.next
;
627 while ((so
= so1
) != NULL
)
633 solib_start
.next
= NULL
;
634 solib_end
= &solib_start
;
635 max_dll_name_len
= sizeof ("DLL Name") - 1;
638 /* Add DLL symbol information. */
640 solib_symbols_add (char *name
, int from_tty
, CORE_ADDR load_addr
)
642 struct section_addr_info section_addrs
;
644 /* The symbols in a dll are offset by 0x1000, which is the
645 the offset from 0 of the first byte in an image - because
646 of the file header and the section alignment. */
648 if (!name
|| !name
[0])
651 memset (§ion_addrs
, 0, sizeof (section_addrs
));
652 section_addrs
.other
[0].name
= ".text";
653 section_addrs
.other
[0].addr
= load_addr
;
654 safe_symbol_file_add (name
, from_tty
, NULL
, 0, OBJF_SHARED
);
659 /* Load DLL symbol info. */
661 dll_symbol_command (char *args
, int from_tty
)
667 error ("dll-symbols requires a file name");
670 if (n
> 4 && strcasecmp (args
+ n
- 4, ".dll") != 0)
672 char *newargs
= (char *) alloca (n
+ 4 + 1);
673 strcpy (newargs
, args
);
674 strcat (newargs
, ".dll");
678 safe_symbol_file_add (args
, from_tty
, NULL
, 0, OBJF_SHARED
| OBJF_USERLOADED
);
681 /* List currently loaded DLLs. */
683 info_dll_command (char *ignore ATTRIBUTE_UNUSED
, int from_tty ATTRIBUTE_UNUSED
)
685 struct so_stuff
*so
= &solib_start
;
690 printf ("%*s Load Address\n", -max_dll_name_len
, "DLL Name");
691 while ((so
= so
->next
) != NULL
)
692 printf_filtered ("%*s %08lx\n", -max_dll_name_len
, so
->name
, so
->load_addr
);
697 /* Handle DEBUG_STRING output from child process.
698 Cygwin prepends its messages with a "cygwin:". Interpret this as
699 a Cygwin signal. Otherwise just print the string as a warning. */
701 handle_output_debug_string (struct target_waitstatus
*ourstatus
)
706 if (!target_read_string
707 ((CORE_ADDR
) current_event
.u
.DebugString
.lpDebugStringData
, &s
, 1024, 0)
711 if (strncmp (s
, CYGWIN_SIGNAL_STRING
, sizeof (CYGWIN_SIGNAL_STRING
) - 1) != 0)
713 if (strncmp (s
, "cYg", 3) != 0)
719 int sig
= strtol (s
+ sizeof (CYGWIN_SIGNAL_STRING
) - 1, &p
, 0);
720 gotasig
= target_signal_from_host (sig
);
721 ourstatus
->value
.sig
= gotasig
;
723 ourstatus
->kind
= TARGET_WAITKIND_STOPPED
;
731 handle_exception (struct target_waitstatus
*ourstatus
)
734 DWORD code
= current_event
.u
.Exception
.ExceptionRecord
.ExceptionCode
;
736 ourstatus
->kind
= TARGET_WAITKIND_STOPPED
;
738 /* Record the context of the current thread */
739 th
= thread_rec (current_event
.dwThreadId
, -1);
743 case EXCEPTION_ACCESS_VIOLATION
:
744 DEBUG_EXCEPT (("gdb: Target exception ACCESS_VIOLATION at 0x%08lx\n",
745 (DWORD
) current_event
.u
.Exception
.ExceptionRecord
.ExceptionAddress
));
746 ourstatus
->value
.sig
= TARGET_SIGNAL_SEGV
;
749 case STATUS_FLOAT_UNDERFLOW
:
750 case STATUS_FLOAT_DIVIDE_BY_ZERO
:
751 case STATUS_FLOAT_OVERFLOW
:
752 case STATUS_INTEGER_DIVIDE_BY_ZERO
:
753 DEBUG_EXCEPT (("gdb: Target exception STACK_OVERFLOW at 0x%08lx\n",
754 (DWORD
) current_event
.u
.Exception
.ExceptionRecord
.ExceptionAddress
));
755 ourstatus
->value
.sig
= TARGET_SIGNAL_FPE
;
758 case STATUS_STACK_OVERFLOW
:
759 DEBUG_EXCEPT (("gdb: Target exception STACK_OVERFLOW at 0x%08lx\n",
760 (DWORD
) current_event
.u
.Exception
.ExceptionRecord
.ExceptionAddress
));
761 ourstatus
->value
.sig
= TARGET_SIGNAL_SEGV
;
763 case EXCEPTION_BREAKPOINT
:
764 DEBUG_EXCEPT (("gdb: Target exception BREAKPOINT at 0x%08lx\n",
765 (DWORD
) current_event
.u
.Exception
.ExceptionRecord
.ExceptionAddress
));
766 ourstatus
->value
.sig
= TARGET_SIGNAL_TRAP
;
769 DEBUG_EXCEPT (("gdb: Target exception CONTROL_C at 0x%08lx\n",
770 (DWORD
) current_event
.u
.Exception
.ExceptionRecord
.ExceptionAddress
));
771 ourstatus
->value
.sig
= TARGET_SIGNAL_INT
;
772 last_sig
= SIGINT
; /* FIXME - should check pass state */
774 case EXCEPTION_SINGLE_STEP
:
775 DEBUG_EXCEPT (("gdb: Target exception SINGLE_STEP at 0x%08lx\n",
776 (DWORD
) current_event
.u
.Exception
.ExceptionRecord
.ExceptionAddress
));
777 ourstatus
->value
.sig
= TARGET_SIGNAL_TRAP
;
779 case EXCEPTION_ILLEGAL_INSTRUCTION
:
780 DEBUG_EXCEPT (("gdb: Target exception SINGLE_ILL at 0x%08lx\n",
781 (DWORD
) current_event
.u
.Exception
.ExceptionRecord
.ExceptionAddress
));
782 ourstatus
->value
.sig
= TARGET_SIGNAL_ILL
;
786 if (current_event
.u
.Exception
.dwFirstChance
)
788 printf_unfiltered ("gdb: unknown target exception 0x%08lx at 0x%08lx\n",
789 current_event
.u
.Exception
.ExceptionRecord
.ExceptionCode
,
790 (DWORD
) current_event
.u
.Exception
.ExceptionRecord
.ExceptionAddress
);
791 ourstatus
->value
.sig
= TARGET_SIGNAL_UNKNOWN
;
798 /* Resume all artificially suspended threads if we are continuing
801 child_continue (DWORD continue_status
, int id
)
807 DEBUG_EVENTS (("ContinueDebugEvent (cpid=%ld, ctid=%ld, DBG_CONTINUE);\n",
808 current_event
.dwProcessId
, current_event
.dwThreadId
));
809 res
= ContinueDebugEvent (current_event
.dwProcessId
,
810 current_event
.dwThreadId
,
814 for (th
= &thread_head
; (th
= th
->next
) != NULL
;)
815 if (((id
== -1) || (id
== (int) th
->id
)) && th
->suspend_count
)
817 for (i
= 0; i
< th
->suspend_count
; i
++)
818 (void) ResumeThread (th
->h
);
819 th
->suspend_count
= 0;
825 /* Get the next event from the child. Return 1 if the event requires
826 handling by WFI (or whatever).
829 get_child_debug_event (int pid ATTRIBUTE_UNUSED
, struct target_waitstatus
*ourstatus
)
832 DWORD continue_status
, event_code
;
833 thread_info
*th
= NULL
;
834 static thread_info dummy_thread_info
;
839 if (!(debug_event
= WaitForDebugEvent (¤t_event
, 1000)))
843 continue_status
= DBG_CONTINUE
;
845 event_code
= current_event
.dwDebugEventCode
;
846 ourstatus
->kind
= TARGET_WAITKIND_SPURIOUS
;
850 case CREATE_THREAD_DEBUG_EVENT
:
851 DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%x code=%s)\n",
852 (unsigned) current_event
.dwProcessId
,
853 (unsigned) current_event
.dwThreadId
,
854 "CREATE_THREAD_DEBUG_EVENT"));
855 /* Record the existence of this thread */
856 th
= child_add_thread (current_event
.dwThreadId
,
857 current_event
.u
.CreateThread
.hThread
);
859 printf_unfiltered ("[New %s]\n",
861 pid_to_ptid (current_event
.dwThreadId
)));
862 retval
= current_event
.dwThreadId
;
865 case EXIT_THREAD_DEBUG_EVENT
:
866 DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
867 (unsigned) current_event
.dwProcessId
,
868 (unsigned) current_event
.dwThreadId
,
869 "EXIT_THREAD_DEBUG_EVENT"));
870 child_delete_thread (current_event
.dwThreadId
);
871 th
= &dummy_thread_info
;
874 case CREATE_PROCESS_DEBUG_EVENT
:
875 DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
876 (unsigned) current_event
.dwProcessId
,
877 (unsigned) current_event
.dwThreadId
,
878 "CREATE_PROCESS_DEBUG_EVENT"));
879 CloseHandle (current_event
.u
.CreateProcessInfo
.hFile
);
880 current_process_handle
= current_event
.u
.CreateProcessInfo
.hProcess
;
882 main_thread_id
= current_event
.dwThreadId
;
883 /* Add the main thread */
885 th
= child_add_thread (current_event
.dwProcessId
,
886 current_event
.u
.CreateProcessInfo
.hProcess
);
888 th
= child_add_thread (main_thread_id
,
889 current_event
.u
.CreateProcessInfo
.hThread
);
890 retval
= ourstatus
->value
.related_pid
= current_event
.dwThreadId
;
893 case EXIT_PROCESS_DEBUG_EVENT
:
894 DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
895 (unsigned) current_event
.dwProcessId
,
896 (unsigned) current_event
.dwThreadId
,
897 "EXIT_PROCESS_DEBUG_EVENT"));
898 ourstatus
->kind
= TARGET_WAITKIND_EXITED
;
899 ourstatus
->value
.integer
= current_event
.u
.ExitProcess
.dwExitCode
;
900 CloseHandle (current_process_handle
);
901 retval
= main_thread_id
;
904 case LOAD_DLL_DEBUG_EVENT
:
905 DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
906 (unsigned) current_event
.dwProcessId
,
907 (unsigned) current_event
.dwThreadId
,
908 "LOAD_DLL_DEBUG_EVENT"));
909 CloseHandle (current_event
.u
.LoadDll
.hFile
);
910 catch_errors (handle_load_dll
, NULL
, (char *) "", RETURN_MASK_ALL
);
911 registers_changed (); /* mark all regs invalid */
912 ourstatus
->kind
= TARGET_WAITKIND_LOADED
;
913 ourstatus
->value
.integer
= 0;
914 retval
= main_thread_id
;
917 case UNLOAD_DLL_DEBUG_EVENT
:
918 DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
919 (unsigned) current_event
.dwProcessId
,
920 (unsigned) current_event
.dwThreadId
,
921 "UNLOAD_DLL_DEBUG_EVENT"));
922 break; /* FIXME: don't know what to do here */
924 case EXCEPTION_DEBUG_EVENT
:
925 DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
926 (unsigned) current_event
.dwProcessId
,
927 (unsigned) current_event
.dwThreadId
,
928 "EXCEPTION_DEBUG_EVENT"));
929 if (handle_exception (ourstatus
))
930 retval
= current_event
.dwThreadId
;
933 case OUTPUT_DEBUG_STRING_EVENT
: /* message from the kernel */
934 DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
935 (unsigned) current_event
.dwProcessId
,
936 (unsigned) current_event
.dwThreadId
,
937 "OUTPUT_DEBUG_STRING_EVENT"));
938 if (handle_output_debug_string (ourstatus
))
939 retval
= main_thread_id
;
943 printf_unfiltered ("gdb: kernel event for pid=%ld tid=%ld\n",
944 (DWORD
) current_event
.dwProcessId
,
945 (DWORD
) current_event
.dwThreadId
);
946 printf_unfiltered (" unknown event code %ld\n",
947 current_event
.dwDebugEventCode
);
952 CHECK (child_continue (continue_status
, -1));
955 current_thread
= th
? : thread_rec (current_event
.dwThreadId
, TRUE
);
956 inferior_ptid
= pid_to_ptid (retval
);
963 /* Wait for interesting events to occur in the target process. */
965 child_wait (ptid_t ptid
, struct target_waitstatus
*ourstatus
)
967 int pid
= PIDGET (ptid
);
969 /* We loop when we get a non-standard exception rather than return
970 with a SPURIOUS because resume can try and step or modify things,
971 which needs a current_thread->h. But some of these exceptions mark
972 the birth or death of threads, which mean that the current thread
973 isn't necessarily what you think it is. */
977 int retval
= get_child_debug_event (pid
, ourstatus
);
979 return pid_to_ptid (retval
);
984 if (ui_loop_hook
!= NULL
)
985 detach
= ui_loop_hook (0);
988 child_kill_inferior ();
994 do_initial_child_stuff (DWORD pid
)
996 extern int stop_after_trap
;
1000 exception_count
= 0;
1001 current_event
.dwProcessId
= pid
;
1002 memset (¤t_event
, 0, sizeof (current_event
));
1003 push_target (&child_ops
);
1004 child_init_thread_list ();
1005 child_clear_solibs ();
1006 clear_proceed_status ();
1007 init_wait_for_inferior ();
1009 target_terminal_init ();
1010 target_terminal_inferior ();
1014 stop_after_trap
= 1;
1015 wait_for_inferior ();
1016 if (stop_signal
!= TARGET_SIGNAL_TRAP
)
1017 resume (0, stop_signal
);
1021 stop_after_trap
= 0;
1025 /* Attach to process PID, then initialize for debugging it. */
1028 child_attach (char *args
, int from_tty
)
1034 error_no_arg ("process-id to attach");
1036 pid
= strtoul (args
, 0, 0);
1037 ok
= DebugActiveProcess (pid
);
1040 error ("Can't attach to process.");
1044 char *exec_file
= (char *) get_exec_file (0);
1047 printf_unfiltered ("Attaching to program `%s', %s\n", exec_file
,
1048 target_pid_to_str (pid_to_ptid (pid
)));
1050 printf_unfiltered ("Attaching to %s\n",
1051 target_pid_to_str (pid_to_ptid (pid
)));
1053 gdb_flush (gdb_stdout
);
1056 do_initial_child_stuff (pid
);
1057 target_terminal_ours ();
1061 child_detach (char *args ATTRIBUTE_UNUSED
, int from_tty
)
1065 char *exec_file
= get_exec_file (0);
1068 printf_unfiltered ("Detaching from program: %s %s\n", exec_file
,
1069 target_pid_to_str (inferior_ptid
));
1070 gdb_flush (gdb_stdout
);
1072 inferior_ptid
= null_ptid
;
1073 unpush_target (&child_ops
);
1076 /* Print status information about what we're accessing. */
1079 child_files_info (struct target_ops
*ignore ATTRIBUTE_UNUSED
)
1081 printf_unfiltered ("\tUsing the running image of %s %s.\n",
1082 attach_flag
? "attached" : "child", target_pid_to_str (inferior_ptid
));
1087 child_open (char *arg ATTRIBUTE_UNUSED
, int from_tty ATTRIBUTE_UNUSED
)
1089 error ("Use the \"run\" command to start a Unix child process.");
1092 /* Start an inferior win32 child process and sets inferior_ptid to its pid.
1093 EXEC_FILE is the file to run.
1094 ALLARGS is a string containing the arguments to the program.
1095 ENV is the environment vector to pass. Errors reported with error(). */
1098 child_create_inferior (char *exec_file
, char *allargs
, char **env
)
1100 char real_path
[MAXPATHLEN
];
1106 PROCESS_INFORMATION pi
;
1112 error ("No executable specified, use `target exec'.\n");
1114 memset (&si
, 0, sizeof (si
));
1115 si
.cb
= sizeof (si
);
1117 cygwin_conv_to_win32_path (exec_file
, real_path
);
1119 flags
= DEBUG_ONLY_THIS_PROCESS
;
1122 flags
|= CREATE_NEW_PROCESS_GROUP
;
1125 flags
|= CREATE_NEW_CONSOLE
;
1127 args
= alloca (strlen (real_path
) + strlen (allargs
) + 2);
1129 strcpy (args
, real_path
);
1132 strcat (args
, allargs
);
1134 /* Prepare the environment vars for CreateProcess. */
1136 /* This code use to assume all env vars were file names and would
1137 translate them all to win32 style. That obviously doesn't work in the
1138 general case. The current rule is that we only translate PATH.
1139 We need to handle PATH because we're about to call CreateProcess and
1140 it uses PATH to find DLL's. Fortunately PATH has a well-defined value
1141 in both posix and win32 environments. cygwin.dll will change it back
1142 to posix style if necessary. */
1144 static const char *conv_path_names
[] =
1150 /* CreateProcess takes the environment list as a null terminated set of
1151 strings (i.e. two nulls terminate the list). */
1153 /* Get total size for env strings. */
1154 for (envlen
= 0, i
= 0; env
[i
] && *env
[i
]; i
++)
1158 for (j
= 0; conv_path_names
[j
]; j
++)
1160 len
= strlen (conv_path_names
[j
]);
1161 if (strncmp (conv_path_names
[j
], env
[i
], len
) == 0)
1163 if (cygwin_posix_path_list_p (env
[i
] + len
))
1165 + cygwin_posix_to_win32_path_list_buf_size (env
[i
] + len
);
1167 envlen
+= strlen (env
[i
]) + 1;
1171 if (conv_path_names
[j
] == NULL
)
1172 envlen
+= strlen (env
[i
]) + 1;
1175 winenv
= alloca (envlen
+ 1);
1177 /* Copy env strings into new buffer. */
1178 for (temp
= winenv
, i
= 0; env
[i
] && *env
[i
]; i
++)
1182 for (j
= 0; conv_path_names
[j
]; j
++)
1184 len
= strlen (conv_path_names
[j
]);
1185 if (strncmp (conv_path_names
[j
], env
[i
], len
) == 0)
1187 if (cygwin_posix_path_list_p (env
[i
] + len
))
1189 memcpy (temp
, env
[i
], len
);
1190 cygwin_posix_to_win32_path_list (env
[i
] + len
, temp
+ len
);
1193 strcpy (temp
, env
[i
]);
1197 if (conv_path_names
[j
] == NULL
)
1198 strcpy (temp
, env
[i
]);
1200 temp
+= strlen (temp
) + 1;
1203 /* Final nil string to terminate new env. */
1207 ret
= CreateProcess (0,
1208 args
, /* command line */
1209 NULL
, /* Security */
1211 TRUE
, /* inherit handles */
1212 flags
, /* start flags */
1214 NULL
, /* current directory */
1218 error ("Error creating process %s, (error %d)\n", exec_file
, GetLastError ());
1220 CloseHandle (pi
.hThread
);
1221 CloseHandle (pi
.hProcess
);
1222 do_initial_child_stuff (pi
.dwProcessId
);
1224 /* child_continue (DBG_CONTINUE, -1); */
1225 proceed ((CORE_ADDR
) - 1, TARGET_SIGNAL_0
, 0);
1229 child_mourn_inferior (void)
1231 (void) child_continue (DBG_CONTINUE
, -1);
1232 unpush_target (&child_ops
);
1233 generic_mourn_inferior ();
1236 /* Send a SIGINT to the process group. This acts just like the user typed a
1237 ^C on the controlling terminal. */
1242 DEBUG_EVENTS (("gdb: GenerateConsoleCtrlEvent (CTRLC_EVENT, 0)\n"));
1243 CHECK (GenerateConsoleCtrlEvent (CTRL_C_EVENT
, current_event
.dwProcessId
));
1244 registers_changed (); /* refresh register state */
1248 child_xfer_memory (CORE_ADDR memaddr
, char *our
, int len
,
1249 int write
, struct mem_attrib
*mem ATTRIBUTE_UNUSED
,
1250 struct target_ops
*target ATTRIBUTE_UNUSED
)
1255 DEBUG_MEM (("gdb: write target memory, %d bytes at 0x%08lx\n",
1256 len
, (DWORD
) memaddr
));
1257 WriteProcessMemory (current_process_handle
, (LPVOID
) memaddr
, our
,
1259 FlushInstructionCache (current_process_handle
, (LPCVOID
) memaddr
, len
);
1263 DEBUG_MEM (("gdb: read target memory, %d bytes at 0x%08lx\n",
1264 len
, (DWORD
) memaddr
));
1265 ReadProcessMemory (current_process_handle
, (LPCVOID
) memaddr
, our
, len
,
1272 child_kill_inferior (void)
1274 CHECK (TerminateProcess (current_process_handle
, 0));
1278 if (!child_continue (DBG_CONTINUE
, -1))
1280 if (!WaitForDebugEvent (¤t_event
, INFINITE
))
1282 if (current_event
.dwDebugEventCode
== EXIT_PROCESS_DEBUG_EVENT
)
1286 CHECK (CloseHandle (current_process_handle
));
1288 /* this may fail in an attached process so don't check. */
1289 (void) CloseHandle (current_thread
->h
);
1290 target_mourn_inferior (); /* or just child_mourn_inferior? */
1294 child_resume (ptid_t ptid
, int step
, enum target_signal sig
)
1297 DWORD continue_status
= last_sig
> 0 && last_sig
< NSIG
?
1298 DBG_EXCEPTION_NOT_HANDLED
: DBG_CONTINUE
;
1299 int pid
= PIDGET (ptid
);
1303 DEBUG_EXEC (("gdb: child_resume (pid=%d, step=%d, sig=%d);\n",
1306 /* Get context for currently selected thread */
1307 th
= thread_rec (current_event
.dwThreadId
, FALSE
);
1312 /* Single step by setting t bit */
1313 child_fetch_inferior_registers (PS_REGNUM
);
1314 th
->context
.EFlags
|= FLAG_TRACE_BIT
;
1317 if (th
->context
.ContextFlags
)
1319 CHECK (SetThreadContext (th
->h
, &th
->context
));
1320 th
->context
.ContextFlags
= 0;
1324 /* Allow continuing with the same signal that interrupted us.
1325 Otherwise complain. */
1327 child_continue (continue_status
, pid
);
1331 child_prepare_to_store (void)
1333 /* Do nothing, since we can store individual regs */
1337 child_can_run (void)
1343 child_close (int x ATTRIBUTE_UNUSED
)
1345 DEBUG_EVENTS (("gdb: child_close, inferior_ptid=%d\n",
1346 PIDGET (inferior_ptid
)));
1349 struct target_ops child_ops
;
1352 init_child_ops (void)
1354 child_ops
.to_shortname
= "child";
1355 child_ops
.to_longname
= "Win32 child process";
1356 child_ops
.to_doc
= "Win32 child process (started by the \"run\" command).";
1357 child_ops
.to_open
= child_open
;
1358 child_ops
.to_close
= child_close
;
1359 child_ops
.to_attach
= child_attach
;
1360 child_ops
.to_detach
= child_detach
;
1361 child_ops
.to_resume
= child_resume
;
1362 child_ops
.to_wait
= child_wait
;
1363 child_ops
.to_fetch_registers
= child_fetch_inferior_registers
;
1364 child_ops
.to_store_registers
= child_store_inferior_registers
;
1365 child_ops
.to_prepare_to_store
= child_prepare_to_store
;
1366 child_ops
.to_xfer_memory
= child_xfer_memory
;
1367 child_ops
.to_files_info
= child_files_info
;
1368 child_ops
.to_insert_breakpoint
= memory_insert_breakpoint
;
1369 child_ops
.to_remove_breakpoint
= memory_remove_breakpoint
;
1370 child_ops
.to_terminal_init
= terminal_init_inferior
;
1371 child_ops
.to_terminal_inferior
= terminal_inferior
;
1372 child_ops
.to_terminal_ours_for_output
= terminal_ours_for_output
;
1373 child_ops
.to_terminal_ours
= terminal_ours
;
1374 child_ops
.to_terminal_info
= child_terminal_info
;
1375 child_ops
.to_kill
= child_kill_inferior
;
1376 child_ops
.to_load
= 0;
1377 child_ops
.to_lookup_symbol
= 0;
1378 child_ops
.to_create_inferior
= child_create_inferior
;
1379 child_ops
.to_mourn_inferior
= child_mourn_inferior
;
1380 child_ops
.to_can_run
= child_can_run
;
1381 child_ops
.to_notice_signals
= 0;
1382 child_ops
.to_thread_alive
= win32_child_thread_alive
;
1383 child_ops
.to_pid_to_str
= cygwin_pid_to_str
;
1384 child_ops
.to_stop
= child_stop
;
1385 child_ops
.to_stratum
= process_stratum
;
1386 child_ops
.DONT_USE
= 0;
1387 child_ops
.to_has_all_memory
= 1;
1388 child_ops
.to_has_memory
= 1;
1389 child_ops
.to_has_stack
= 1;
1390 child_ops
.to_has_registers
= 1;
1391 child_ops
.to_has_execution
= 1;
1392 child_ops
.to_sections
= 0;
1393 child_ops
.to_sections_end
= 0;
1394 child_ops
.to_magic
= OPS_MAGIC
;
1398 _initialize_inftarg (void)
1400 struct cmd_list_element
*c
;
1404 c
= add_com ("dll-symbols", class_files
, dll_symbol_command
,
1405 "Load dll library symbols from FILE.");
1406 c
->completer
= filename_completer
;
1409 add_com_alias ("sharedlibrary", "dll-symbols", class_alias
, 1);
1411 add_show_from_set (add_set_cmd ("new-console", class_support
, var_boolean
,
1412 (char *) &new_console
,
1413 "Set creation of new console when creating child process.",
1417 add_show_from_set (add_set_cmd ("new-group", class_support
, var_boolean
,
1418 (char *) &new_group
,
1419 "Set creation of new group when creating child process.",
1423 add_show_from_set (add_set_cmd ("debugexec", class_support
, var_boolean
,
1424 (char *) &debug_exec
,
1425 "Set whether to display execution in child process.",
1429 add_show_from_set (add_set_cmd ("debugevents", class_support
, var_boolean
,
1430 (char *) &debug_events
,
1431 "Set whether to display kernel events in child process.",
1435 add_show_from_set (add_set_cmd ("debugmemory", class_support
, var_boolean
,
1436 (char *) &debug_memory
,
1437 "Set whether to display memory accesses in child process.",
1441 add_show_from_set (add_set_cmd ("debugexceptions", class_support
, var_boolean
,
1442 (char *) &debug_exceptions
,
1443 "Set whether to display kernel exceptions in child process.",
1447 add_info ("dll", info_dll_command
, "Status of loaded DLLs.");
1448 add_info_alias ("sharedlibrary", "dll", 1);
1450 add_target (&child_ops
);
1453 /* Determine if the thread referenced by "pid" is alive
1454 by "polling" it. If WaitForSingleObject returns WAIT_OBJECT_0
1455 it means that the pid has died. Otherwise it is assumed to be alive. */
1457 win32_child_thread_alive (ptid_t ptid
)
1459 int pid
= PIDGET (ptid
);
1461 return WaitForSingleObject (thread_rec (pid
, FALSE
)->h
, 0) == WAIT_OBJECT_0
?
1465 /* Convert pid to printable format. */
1467 cygwin_pid_to_str (ptid_t ptid
)
1469 static char buf
[80];
1470 int pid
= PIDGET (ptid
);
1472 if ((DWORD
) pid
== current_event
.dwProcessId
)
1473 sprintf (buf
, "process %d", pid
);
1475 sprintf (buf
, "thread %ld.0x%x", current_event
.dwProcessId
, pid
);
1480 core_dll_symbols_add (char *dll_name
, DWORD base_addr
)
1482 struct objfile
*objfile
;
1483 char *objfile_basename
;
1484 const char *dll_basename
;
1486 if (!(dll_basename
= strrchr (dll_name
, '/')))
1487 dll_basename
= dll_name
;
1491 ALL_OBJFILES (objfile
)
1493 objfile_basename
= strrchr (objfile
->name
, '/');
1495 if (objfile_basename
&&
1496 strcmp (dll_basename
, objfile_basename
+ 1) == 0)
1498 printf_unfiltered ("%08lx:%s (symbols previously loaded)\n",
1499 base_addr
, dll_name
);
1504 register_loaded_dll (dll_name
, base_addr
+ 0x1000);
1505 solib_symbols_add (dll_name
, 0, (CORE_ADDR
) base_addr
+ 0x1000);
1513 struct target_ops
*target
;
1516 map_code_section_args
;
1519 map_single_dll_code_section (bfd
* abfd
, asection
* sect
, void *obj
)
1523 struct section_table
*new_target_sect_ptr
;
1525 map_code_section_args
*args
= (map_code_section_args
*) obj
;
1526 struct target_ops
*target
= args
->target
;
1527 if (sect
->flags
& SEC_CODE
)
1529 update_coreops
= core_ops
.to_sections
== target
->to_sections
;
1531 if (target
->to_sections
)
1533 old
= target
->to_sections_end
- target
->to_sections
;
1534 target
->to_sections
= (struct section_table
*)
1535 xrealloc ((char *) target
->to_sections
,
1536 (sizeof (struct section_table
)) * (1 + old
));
1541 target
->to_sections
= (struct section_table
*)
1542 xmalloc ((sizeof (struct section_table
)));
1544 target
->to_sections_end
= target
->to_sections
+ (1 + old
);
1546 /* Update the to_sections field in the core_ops structure
1550 core_ops
.to_sections
= target
->to_sections
;
1551 core_ops
.to_sections_end
= target
->to_sections_end
;
1553 new_target_sect_ptr
= target
->to_sections
+ old
;
1554 new_target_sect_ptr
->addr
= args
->addr
+ bfd_section_vma (abfd
, sect
);
1555 new_target_sect_ptr
->endaddr
= args
->addr
+ bfd_section_vma (abfd
, sect
) +
1556 bfd_section_size (abfd
, sect
);;
1557 new_target_sect_ptr
->the_bfd_section
= sect
;
1558 new_target_sect_ptr
->bfd
= abfd
;
1563 dll_code_sections_add (const char *dll_name
, int base_addr
, struct target_ops
*target
)
1566 map_code_section_args map_args
;
1567 asection
*lowest_sect
;
1569 if (dll_name
== NULL
|| target
== NULL
)
1571 name
= xstrdup (dll_name
);
1572 dll_bfd
= bfd_openr (name
, "pei-i386");
1573 if (dll_bfd
== NULL
)
1576 if (bfd_check_format (dll_bfd
, bfd_object
))
1578 lowest_sect
= bfd_get_section_by_name (dll_bfd
, ".text");
1579 if (lowest_sect
== NULL
)
1581 map_args
.target
= target
;
1582 map_args
.addr
= base_addr
- bfd_section_vma (dll_bfd
, lowest_sect
);
1584 bfd_map_over_sections (dll_bfd
, &map_single_dll_code_section
, (void *) (&map_args
));
1591 core_section_load_dll_symbols (bfd
* abfd
, asection
* sect
, void *obj
)
1593 struct target_ops
*target
= (struct target_ops
*) obj
;
1598 char *dll_name
= NULL
;
1600 struct win32_pstatus
*pstatus
;
1603 if (strncmp (sect
->name
, ".module", 7))
1606 buf
= (char *) xmalloc (sect
->_raw_size
+ 1);
1609 printf_unfiltered ("memory allocation failed for %s\n", sect
->name
);
1612 if (!bfd_get_section_contents (abfd
, sect
, buf
, 0, sect
->_raw_size
))
1615 pstatus
= (struct win32_pstatus
*) buf
;
1617 memmove (&base_addr
, &(pstatus
->data
.module_info
.base_address
), sizeof (base_addr
));
1618 dll_name_size
= pstatus
->data
.module_info
.module_name_size
;
1619 if (offsetof (struct win32_pstatus
, data
.module_info
.module_name
) + dll_name_size
> sect
->_raw_size
)
1622 dll_name
= (char *) xmalloc (dll_name_size
+ 1);
1625 printf_unfiltered ("memory allocation failed for %s\n", sect
->name
);
1628 strncpy (dll_name
, pstatus
->data
.module_info
.module_name
, dll_name_size
);
1630 while ((p
= strchr (dll_name
, '\\')))
1633 if (!core_dll_symbols_add (dll_name
, (DWORD
) base_addr
))
1634 printf_unfiltered ("%s: Failed to load dll symbols.\n", dll_name
);
1636 if (!dll_code_sections_add (dll_name
, (DWORD
) base_addr
+ 0x1000, target
))
1637 printf_unfiltered ("%s: Failed to map dll code sections.\n", dll_name
);
1648 child_solib_add (char *filename ATTRIBUTE_UNUSED
, int from_tty
, struct target_ops
*target
)
1652 child_clear_solibs ();
1653 bfd_map_over_sections (core_bfd
, &core_section_load_dll_symbols
, target
);
1657 if (solib_end
&& solib_end
->name
)
1658 solib_symbols_add (solib_end
->name
, from_tty
, solib_end
->load_addr
);
1663 fetch_elf_core_registers (char *core_reg_sect
,
1664 unsigned core_reg_size
,
1669 if (core_reg_size
< sizeof (CONTEXT
))
1671 error ("Core file register section too small (%u bytes).", core_reg_size
);
1674 for (r
= 0; r
< NUM_REGS
; r
++)
1675 supply_register (r
, core_reg_sect
+ mappings
[r
]);
1678 static struct core_fns win32_elf_core_fns
=
1680 bfd_target_elf_flavour
,
1681 default_check_format
,
1682 default_core_sniffer
,
1683 fetch_elf_core_registers
,
1688 _initialize_core_win32 (void)
1690 add_core_fns (&win32_elf_core_fns
);