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* win32-low.c (win32_get_thread_context)
(win32_set_thread_context): New functions. (thread_rec): Use win32_get_thread_context. (continue_one_thread, win32_resume): Use win32_set_thread_context. * win32-low.h (win32_thread_info) [_WIN32_WCE]: Add `base_context' field.
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@ -1,3 +1,12 @@
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2007-12-03 Pedro Alves <pedro_alves@portugalmail.pt>
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* win32-low.c (win32_get_thread_context)
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(win32_set_thread_context): New functions.
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(thread_rec): Use win32_get_thread_context.
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(continue_one_thread, win32_resume): Use win32_set_thread_context.
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* win32-low.h (win32_thread_info) [_WIN32_WCE]: Add `base_context'
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field.
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2007-12-03 Leo Zayas
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Pedro Alves <pedro_alves@portugalmail.pt>
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@ -100,6 +100,39 @@ current_inferior_tid (void)
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return th->tid;
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}
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/* Get the thread context of the thread associated with TH. */
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static void
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win32_get_thread_context (win32_thread_info *th)
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{
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memset (&th->context, 0, sizeof (CONTEXT));
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(*the_low_target.get_thread_context) (th, ¤t_event);
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#ifdef _WIN32_WCE
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memcpy (&th->base_context, &th->context, sizeof (CONTEXT));
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#endif
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}
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/* Set the thread context of the thread associated with TH. */
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static void
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win32_set_thread_context (win32_thread_info *th)
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{
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#ifdef _WIN32_WCE
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/* Calling SuspendThread on a thread that is running kernel code
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will report that the suspending was successful, but in fact, that
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will often not be true. In those cases, the context returned by
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GetThreadContext will not be correct by the time the thread
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stops, hence we can't set that context back into the thread when
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resuming - it will most likelly crash the inferior.
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Unfortunately, there is no way to know when the thread will
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really stop. To work around it, we'll only write the context
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back to the thread when either the user or GDB explicitly change
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it between stopping and resuming. */
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if (memcmp (&th->context, &th->base_context, sizeof (CONTEXT)) != 0)
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#endif
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(*the_low_target.set_thread_context) (th, ¤t_event);
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}
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/* Find a thread record given a thread id. If GET_CONTEXT is set then
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also retrieve the context for this thread. */
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static win32_thread_info *
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@ -127,7 +160,7 @@ thread_rec (DWORD id, int get_context)
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th->suspended = 1;
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}
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(*the_low_target.get_thread_context) (th, ¤t_event);
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win32_get_thread_context (th);
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}
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return th;
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@ -281,7 +314,7 @@ continue_one_thread (struct inferior_list_entry *this_thread, void *id_ptr)
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{
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if (th->context.ContextFlags)
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{
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(*the_low_target.set_thread_context) (th, ¤t_event);
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win32_set_thread_context (th);
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th->context.ContextFlags = 0;
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}
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@ -806,7 +839,7 @@ win32_resume (struct thread_resume *resume_info)
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"in this configuration.\n");
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}
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(*the_low_target.set_thread_context) (th, ¤t_event);
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win32_set_thread_context (th);
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th->context.ContextFlags = 0;
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}
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}
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@ -31,7 +31,12 @@ typedef struct win32_thread_info
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/* Non zero if SuspendThread was called on this thread. */
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int suspended;
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/* The context of the thread. */
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#ifdef _WIN32_WCE
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/* The context as retrieved right after suspending the thread. */
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CONTEXT base_context;
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#endif
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/* The context of the thread, including any manipulations. */
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CONTEXT context;
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} win32_thread_info;
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