X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fgdbthread.h;h=ce4f76f7b7fa8ec7fb5671bd13c7a8ec1fc9d840;hb=885eeb5b8ea021cc79ffebe8ec40122229c572f0;hp=26ca9259edea73e08964fb59761434f6fc533f4b;hpb=b57bacecd5f3684cd9f58b0da0e2caccbb6a546d;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/gdbthread.h b/gdb/gdbthread.h
index 26ca9259ed..ce4f76f7b7 100644
--- a/gdb/gdbthread.h
+++ b/gdb/gdbthread.h
@@ -1,5 +1,5 @@
 /* Multi-process/thread control defs for GDB, the GNU debugger.
-   Copyright (C) 1987-2014 Free Software Foundation, Inc.
+   Copyright (C) 1987-2015 Free Software Foundation, Inc.
    Contributed by Lynx Real-Time Systems, Inc.  Los Gatos, CA.
    
 
@@ -28,6 +28,7 @@ struct symtab;
 #include "ui-out.h"
 #include "inferior.h"
 #include "btrace.h"
+#include "common/vec.h"
 
 /* Frontend view of the thread state.  Possible extensions: stepping,
    finishing, until(ling),...  */
@@ -52,6 +53,13 @@ struct thread_control_state
   /* Exception-resume breakpoint.  */
   struct breakpoint *exception_resume_breakpoint;
 
+  /* Breakpoints used for software single stepping.  Plural, because
+     it may have multiple locations.  E.g., if stepping over a
+     conditional branch instruction we can't decode the condition for,
+     we'll need to put a breakpoint at the branch destination, and
+     another at the instruction after the branch.  */
+  struct breakpoint *single_step_breakpoints;
+
   /* Range to single step within.
 
      If this is nonzero, respond to a single-step signal by continuing
@@ -65,6 +73,9 @@ struct thread_control_state
   CORE_ADDR step_range_start;	/* Inclusive */
   CORE_ADDR step_range_end;	/* Exclusive */
 
+  /* Function the thread was in as of last it started stepping.  */
+  struct symbol *step_start_function;
+
   /* If GDB issues a target step request, and this is nonzero, the
      target should single-step this thread once, and then continue
      single-stepping it without GDB core involvement as long as the
@@ -145,6 +156,10 @@ struct thread_suspend_state
   enum gdb_signal stop_signal;
 };
 
+typedef struct value *value_ptr;
+DEF_VEC_P (value_ptr);
+typedef VEC (value_ptr) value_vec;
+
 struct thread_info
 {
   struct thread_info *next;
@@ -194,9 +209,19 @@ struct thread_info
      SIGTRAP from a breakpoint SIGTRAP.  */
   CORE_ADDR prev_pc;
 
+  /* Did we set the thread stepping a breakpoint instruction?  This is
+     used in conjunction with PREV_PC to decide whether to adjust the
+     PC.  */
+  int stepped_breakpoint;
+
   /* Should we step over breakpoint next time keep_going is called?  */
   int stepping_over_breakpoint;
 
+  /* Should we step over a watchpoint next time keep_going is called?
+     This is needed on targets with non-continuable, non-steppable
+     watchpoints.  */
+  int stepping_over_watchpoint;
+
   /* Set to TRUE if we should finish single-stepping over a breakpoint
      after hitting the current step-resume breakpoint.  The context here
      is that GDB is to do `next' or `step' while signal arrives.
@@ -239,7 +264,7 @@ struct thread_info
   struct frame_id initiating_frame;
 
   /* Private data used by the target vector implementation.  */
-  struct private_thread_info *private;
+  struct private_thread_info *priv;
 
   /* Function that is called to free PRIVATE.  If this is NULL, then
      xfree will be called on PRIVATE.  */
@@ -247,6 +272,14 @@ struct thread_info
 
   /* Branch trace information for this thread.  */
   struct btrace_thread_info btrace;
+
+  /* Flag which indicates that the stack temporaries should be stored while
+     evaluating expressions.  */
+  int stack_temporaries_enabled;
+
+  /* Values that are stored as temporaries on stack while evaluating
+     expressions.  */
+  value_vec *stack_temporaries;
 };
 
 /* Create an empty thread list, or empty the existing one.  */
@@ -280,6 +313,19 @@ extern void delete_step_resume_breakpoint (struct thread_info *);
 /* Delete an exception_resume_breakpoint from the thread database.  */
 extern void delete_exception_resume_breakpoint (struct thread_info *);
 
+/* Delete the single-step breakpoints of thread TP, if any.  */
+extern void delete_single_step_breakpoints (struct thread_info *tp);
+
+/* Check if the thread has software single stepping breakpoints
+   set.  */
+extern int thread_has_single_step_breakpoints_set (struct thread_info *tp);
+
+/* Check whether the thread has software single stepping breakpoints
+   set at PC.  */
+extern int thread_has_single_step_breakpoint_here (struct thread_info *tp,
+						   struct address_space *aspace,
+						   CORE_ADDR addr);
+
 /* Translate the integer thread id (GDB's homegrown id, not the system's)
    into a "pid" (which may be overloaded with extra thread information).  */
 extern ptid_t thread_id_to_pid (int);
@@ -329,13 +375,21 @@ extern struct thread_info *iterate_over_threads (thread_callback_func, void *);
   for (T = thread_list; T; T = T->next) \
     if ((T)->state != THREAD_EXITED)
 
+/* Like ALL_NON_EXITED_THREADS, but allows deleting the currently
+   iterated thread.  */
+#define ALL_NON_EXITED_THREADS_SAFE(T, TMP)	\
+  for ((T) = thread_list;			\
+       (T) != NULL ? ((TMP) = (T)->next, 1): 0;	\
+       (T) = (TMP))				\
+    if ((T)->state != THREAD_EXITED)
+
 extern int thread_count (void);
 
 /* Switch from one thread to another.  */
 extern void switch_to_thread (ptid_t ptid);
 
 /* Marks thread PTID is running, or stopped. 
-   If ptid_get_pid (PTID) is -1, marks all threads.  */
+   If PTID is minus_one_ptid, marks all threads.  */
 extern void set_running (ptid_t ptid, int running);
 
 /* Marks or clears thread(s) PTID as having been requested to stop.
@@ -370,7 +424,7 @@ extern int is_exited (ptid_t ptid);
 /* In the frontend's perpective, is this thread stopped?  */
 extern int is_stopped (ptid_t ptid);
 
-/* Marks thread PTID as executing, or not.  If ptid_get_pid (PTID) is -1,
+/* Marks thread PTID as executing, or not.  If PTID is minus_one_ptid,
    marks all threads.
 
    Note that this is different from the running state.  See the
@@ -391,7 +445,7 @@ extern int threads_are_executing (void);
    "executing"     -> "running"
    "exited"        -> "exited"
 
-   If ptid_get_pid (PTID) is -1, go over all threads.
+   If PTID is minus_one_ptid, go over all threads.
 
    Notifications are only emitted if the thread state did change.  */
 extern void finish_thread_state (ptid_t ptid);
@@ -404,6 +458,8 @@ extern void finish_thread_state_cleanup (void *ptid_p);
 /* Commands with a prefix of `thread'.  */
 extern struct cmd_list_element *thread_cmd_list;
 
+extern void thread_command (char *tidstr, int from_tty);
+
 /* Print notices on thread events (attach, detach, etc.), set with
    `set print thread-events'.  */
 extern int print_thread_events;
@@ -419,10 +475,24 @@ extern struct thread_info* inferior_thread (void);
 
 extern void update_thread_list (void);
 
+/* Delete any thread the target says is no longer alive.  */
+
+extern void prune_threads (void);
+
 /* Return true if PC is in the stepping range of THREAD.  */
 
 int pc_in_thread_step_range (CORE_ADDR pc, struct thread_info *thread);
 
+extern struct cleanup *enable_thread_stack_temporaries (ptid_t ptid);
+
+extern int thread_stack_temporaries_enabled_p (ptid_t ptid);
+
+extern void push_thread_stack_temporary (ptid_t ptid, struct value *v);
+
+extern struct value *get_last_thread_stack_temporary (ptid_t);
+
+extern int value_in_thread_stack_temporaries (struct value *, ptid_t);
+
 extern struct thread_info *thread_list;
 
 #endif /* GDBTHREAD_H */