* config/pa/tm-hppa.h: Define lots register offsets needed by

[deliverable/binutils-gdb.git] / gdb / inferior.h

diff --git a/gdb/inferior.h b/gdb/inferior.h
index ee1fe092d5cba37c4cb2a46265b4982752aca894..014eecc20258e7758806ca274144f7493a1817fd 100644 (file)
--- a/gdb/inferior.h
+++ b/gdb/inferior.h
@@ -27,6 +27,9 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* For FRAME_ADDR.  */
 #include "frame.h"
 
+/* For enum target_signal.  */
+#include "target.h"
+
 /*
  * Structure in which to save the status of the inferior.  Save
  * through "save_inferior_status", restore through
@@ -36,9 +39,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  * control variables.
  */
 struct inferior_status {
-  int pc_changed;
-  int stop_signal;
-  int stop_pc;
+  enum target_signal stop_signal;
+  CORE_ADDR stop_pc;
   FRAME_ADDR stop_frame_address;
   bpstat stop_bpstat;
   int stop_step;
@@ -55,6 +57,12 @@ struct inferior_status {
   FRAME_ADDR selected_frame_address;
   int selected_level;
   char stop_registers[REGISTER_BYTES];
+
+  /* These are here because if call_function_by_hand has written some
+     registers and then decides to call error(), we better not have changed
+     any registers.  */
+  char registers[REGISTER_BYTES];
+
   int breakpoint_proceeded;
   int restore_stack_info;
   int proceed_to_finish;
@@ -66,6 +74,12 @@ save_inferior_status PARAMS ((struct inferior_status *, int));
 extern void
 restore_inferior_status PARAMS ((struct inferior_status *));
 
+extern void set_sigint_trap PARAMS ((void));
+extern void clear_sigint_trap PARAMS ((void));
+
+extern void set_sigio_trap PARAMS ((void));
+extern void clear_sigio_trap PARAMS ((void));
+
 /* File name for default use for standard in/out in the inferior.  */
 
 extern char *inferior_io_terminal;
@@ -87,7 +101,7 @@ extern void
 clear_proceed_status PARAMS ((void));
 
 extern void
-proceed PARAMS ((CORE_ADDR, int, int));
+proceed PARAMS ((CORE_ADDR, enum target_signal, int));
 
 extern void
 kill_inferior PARAMS ((void));
@@ -98,12 +112,14 @@ generic_mourn_inferior PARAMS ((void));
 extern void
 terminal_ours PARAMS ((void));
 
-extern void
-run_stack_dummy PARAMS ((CORE_ADDR, char [REGISTER_BYTES]));
+extern int run_stack_dummy PARAMS ((CORE_ADDR, char [REGISTER_BYTES]));
 
 extern CORE_ADDR
 read_pc PARAMS ((void));
 
+extern CORE_ADDR
+read_pc_pid PARAMS ((int));
+
 extern void
 write_pc PARAMS ((CORE_ADDR));
 
@@ -134,7 +150,7 @@ reopen_exec_file PARAMS ((void));
 /* The `resume' routine should only be called in special circumstances.
    Normally, use `proceed', which handles a lot of bookkeeping.  */
 extern void
-resume PARAMS ((int, int));
+resume PARAMS ((int, enum target_signal));
 
 /* From misc files */
 
@@ -171,7 +187,7 @@ void
 detach PARAMS ((int));
 
 extern void
-child_resume PARAMS ((int, int));
+child_resume PARAMS ((int, int, enum target_signal));
 
 #ifndef PTRACE_ARG3_TYPE
 #define PTRACE_ARG3_TYPE int   /* Correct definition for most systems. */
@@ -187,10 +203,11 @@ proc_iterate_over_mappings PARAMS ((int (*) (int, CORE_ADDR)));
 
 /* From fork-child.c */
 
-extern void
-fork_inferior PARAMS ((char *, char *, char **,
-                      void (*) (void),
-                      void (*) (int)));
+extern void fork_inferior PARAMS ((char *, char *, char **,
+                                  void (*) (void),
+                                  void (*) (int), char *));
+
+extern void startup_inferior PARAMS ((int));
 
 /* From inflow.c */
 
@@ -226,7 +243,7 @@ attach_command PARAMS ((char *, int));
 
 /* Last signal that the inferior received (why it stopped).  */
 
-extern int stop_signal;
+extern enum target_signal stop_signal;
 
 /* Address at which inferior stopped.  */
 
@@ -260,7 +277,12 @@ extern int stopped_by_random_signal;
 
 /* Range to single step within.
    If this is nonzero, respond to a single-step signal
-   by continuing to step if the pc is in this range.  */
+   by continuing to step if the pc is in this range.
+
+   If step_range_start and step_range_end are both 1, it means to step for
+   a single instruction (FIXME: it might clean up wait_for_inferior in a
+   minor way if this were changed to the address of the instruction and
+   that address plus one.  But maybe not.).  */
 
 extern CORE_ADDR step_range_start; /* Inclusive */
 extern CORE_ADDR step_range_end; /* Exclusive */
@@ -301,11 +323,6 @@ extern int proceed_to_finish;
 
 extern char stop_registers[REGISTER_BYTES];
 
-/* Nonzero if pc has been changed by the debugger
-   since the inferior stopped.  */
-
-extern int pc_changed;
-
 /* Nonzero if the child process in inferior_pid was attached rather
    than forked.  */
 
@@ -338,6 +355,7 @@ extern int attach_flag;
 #define ON_STACK 1
 #define BEFORE_TEXT_END 2
 #define AFTER_TEXT_END 3
+#define AT_ENTRY_POINT 4
 
 #if !defined (CALL_DUMMY_LOCATION)
 #define CALL_DUMMY_LOCATION ON_STACK
@@ -352,14 +370,16 @@ extern CORE_ADDR text_end;
 #define PC_IN_CALL_DUMMY(pc, sp, frame_address) \
   ((pc) >= text_end - CALL_DUMMY_LENGTH         \
    && (pc) <= text_end + DECR_PC_AFTER_BREAK)
-#else /* Not before text_end.  */
+#endif /* Before text_end.  */
+
 #if CALL_DUMMY_LOCATION == AFTER_TEXT_END
 extern CORE_ADDR text_end;
 #define PC_IN_CALL_DUMMY(pc, sp, frame_address) \
   ((pc) >= text_end   \
    && (pc) <= text_end + CALL_DUMMY_LENGTH + DECR_PC_AFTER_BREAK)
-#else /* On stack.  */
+#endif /* After text_end.  */
 
+#if CALL_DUMMY_LOCATION == ON_STACK
 /* Is the PC in a call dummy?  SP and FRAME_ADDRESS are the bottom and
    top of the stack frame which we are checking, where "bottom" and
    "top" refer to some section of memory which contains the code for
@@ -381,7 +401,12 @@ extern CORE_ADDR text_end;
 #define PC_IN_CALL_DUMMY(pc, sp, frame_address) \
   ((sp) INNER_THAN (pc) && (frame_address != 0) && (pc) INNER_THAN (frame_address))
 #endif /* On stack.  */
-#endif /* Not before text_end.  */
+
+#if CALL_DUMMY_LOCATION == AT_ENTRY_POINT
+#define PC_IN_CALL_DUMMY(pc, sp, frame_address)                        \
+  ((pc) >= CALL_DUMMY_ADDRESS ()                               \
+   && (pc) <= (CALL_DUMMY_ADDRESS () + DECR_PC_AFTER_BREAK))
+#endif /* At entry point.  */
 #endif /* No PC_IN_CALL_DUMMY.  */
 
 #endif /* !defined (INFERIOR_H) */