Where it is, why it stopped, and how to step it.
Copyright 1986, 1989, 1992, 1996, 1998 Free Software Foundation, Inc.
-This file is part of GDB.
+ This file is part of GDB.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#if !defined (INFERIOR_H)
#define INFERIOR_H 1
control to the inferior which you don't want showing up in your
control variables. */
-#ifdef __STDC__
struct inferior_status;
-#endif
extern struct inferior_status *save_inferior_status PARAMS ((int));
extern void restore_inferior_status PARAMS ((struct inferior_status *));
+extern struct cleanup *make_cleanup_restore_inferior_status (struct inferior_status *);
+
extern void discard_inferior_status PARAMS ((struct inferior_status *));
-extern void write_inferior_status_register PARAMS ((struct inferior_status *inf_status, int regno, LONGEST val));
+extern void write_inferior_status_register PARAMS ((struct inferior_status * inf_status, int regno, LONGEST val));
/* This macro gives the number of registers actually in use by the
inferior. This may be less than the total number of registers,
extern int inferior_pid;
+/* Is the inferior running right now, as a result of a 'run&',
+ 'continue&' etc command? This is used in asycn gdb to determine
+ whether a command that the user enters while the target is running
+ is allowed or not. */
+extern int target_executing;
+
+/* Are we simulating synchronous execution? This is used in async gdb
+ to implement the 'run', 'continue' etc commands, which will not
+ redisplay the prompt until the execution is actually over. */
+extern int sync_execution;
+
/* This is only valid when inferior_pid is non-zero.
If this is 0, then exec events should be noticed and responded to
If this is > 0, then that many subsequent exec events should be
ignored (i.e., not be reported to the user).
- */
+ */
extern int inferior_ignoring_startup_exec_events;
/* This is only valid when inferior_ignoring_startup_exec_events is
need actually be noticed and responded to by the debugger (i.e.,
be reported to the user), then this is the number of "leading"
exec events which should be ignored.
- */
+ */
extern int inferior_ignoring_leading_exec_events;
/* Inferior environment. */
extern void terminal_ours PARAMS ((void));
-extern int run_stack_dummy PARAMS ((CORE_ADDR, char*));
+extern int run_stack_dummy PARAMS ((CORE_ADDR, char *));
extern CORE_ADDR read_pc PARAMS ((void));
extern CORE_ADDR read_pc_pid PARAMS ((int));
+extern CORE_ADDR generic_target_read_pc PARAMS ((int));
+
extern void write_pc PARAMS ((CORE_ADDR));
extern void write_pc_pid PARAMS ((CORE_ADDR, int));
+extern void generic_target_write_pc PARAMS ((CORE_ADDR, int));
+
extern CORE_ADDR read_sp PARAMS ((void));
+extern CORE_ADDR generic_target_read_sp PARAMS ((void));
+
extern void write_sp PARAMS ((CORE_ADDR));
+extern void generic_target_write_sp PARAMS ((CORE_ADDR));
+
extern CORE_ADDR read_fp PARAMS ((void));
+extern CORE_ADDR generic_target_read_fp PARAMS ((void));
+
extern void write_fp PARAMS ((CORE_ADDR));
+extern void generic_target_write_fp PARAMS ((CORE_ADDR));
+
+extern CORE_ADDR generic_pointer_to_address (struct type *type, char *buf);
+
+extern void generic_address_to_pointer (struct type *type, char *buf,
+ CORE_ADDR addr);
+
extern void wait_for_inferior PARAMS ((void));
+extern void fetch_inferior_event PARAMS ((void *));
+
extern void init_wait_for_inferior PARAMS ((void));
extern void close_exec_file PARAMS ((void));
extern int procfs_first_available PARAMS ((void));
-extern int procfs_get_pid_fd PARAMS ((int));
-
/* From fork-child.c */
extern void fork_inferior PARAMS ((char *, char *, char **,
extern int signal_pass_state PARAMS ((int));
+extern int signal_stop_update PARAMS ((int, int));
+
+extern int signal_print_update PARAMS ((int, int));
+
+extern int signal_pass_update PARAMS ((int, int));
+
/* From infcmd.c */
extern void tty_command PARAMS ((char *, int));
that address plus one. But maybe not.). */
extern CORE_ADDR step_range_start; /* Inclusive */
-extern CORE_ADDR step_range_end;/* Exclusive */
+extern CORE_ADDR step_range_end; /* Exclusive */
/* Stack frame address as of when stepping command was issued.
This is how we know when we step into a subroutine call,
#endif /* No CALL_DUMMY_LOCATION. */
#if !defined (CALL_DUMMY_ADDRESS)
-#define CALL_DUMMY_ADDRESS() (abort (), 0) /* anything to abort GDB */
+#define CALL_DUMMY_ADDRESS() (internal_error ("CALL_DUMMY_ADDRESS"), 0)
#endif
#if !defined (CALL_DUMMY_START_OFFSET)
-#define CALL_DUMMY_START_OFFSET (abort (), 0) /* anything to abort GDB */
+#define CALL_DUMMY_START_OFFSET (internal_error ("CALL_DUMMY_START_OFFSET"), 0)
#endif
#if !defined (CALL_DUMMY_BREAKPOINT_OFFSET)
#define CALL_DUMMY_BREAKPOINT_OFFSET_P (0)
-#define CALL_DUMMY_BREAKPOINT_OFFSET (abort (), 0) /* anything to abort GDB */
+#define CALL_DUMMY_BREAKPOINT_OFFSET (internal_error ("CALL_DUMMY_BREAKPOINT_OFFSET"), 0)
#endif
#if !defined CALL_DUMMY_BREAKPOINT_OFFSET_P
#define CALL_DUMMY_BREAKPOINT_OFFSET_P (1)
#endif
#if !defined (CALL_DUMMY_LENGTH)
-#define CALL_DUMMY_LENGTH (abort (), 0) /* anything to abort GDB */
+#define CALL_DUMMY_LENGTH (internal_error ("CALL_DUMMY_LENGTH"), 0)
#endif
#if defined (CALL_DUMMY_STACK_ADJUST)
#endif
#endif
#if !defined (CALL_DUMMY_STACK_ADJUST)
-#define CALL_DUMMY_STACK_ADJUST (abort (), 0)
+#define CALL_DUMMY_STACK_ADJUST (internal_error ("CALL_DUMMY_STACK_ADJUST"), 0)
#endif
#if !defined (CALL_DUMMY_STACK_ADJUST_P)
#define CALL_DUMMY_STACK_ADJUST_P (0)
#endif
+/* FIXME: cagney/2000-04-17: gdbarch should manage this. The default
+ shouldn't be necessary. */
+
#if !defined (CALL_DUMMY_P)
#if defined (CALL_DUMMY)
#define CALL_DUMMY_P 1
#endif
#endif
-#if !defined (CALL_DUMMY_WORDS)
-#if defined (CALL_DUMMY)
-extern LONGEST call_dummy_words[];
-#define CALL_DUMMY_WORDS (call_dummy_words)
-#else
-#define CALL_DUMMY_WORDS (abort (), (void*) 0) /* anything to abort GDB */
-#endif
-#endif
-
-#if !defined (SIZEOF_CALL_DUMMY_WORDS)
-#if defined (CALL_DUMMY)
-extern int sizeof_call_dummy_words;
-#define SIZEOF_CALL_DUMMY_WORDS (sizeof_call_dummy_words)
-#else
-#define SIZEOF_CALL_DUMMY_WORDS (abort (), 0) /* anything to abort GDB */
-#endif
-#endif
-
#if !defined PUSH_DUMMY_FRAME
-#define PUSH_DUMMY_FRAME (abort ())
+#define PUSH_DUMMY_FRAME (internal_error ("PUSH_DUMMY_FRAME"), 0)
#endif
#if !defined FIX_CALL_DUMMY
-#define FIX_CALL_DUMMY(a1,a2,a3,a4,a5,a6,a7) (abort ())
+#define FIX_CALL_DUMMY(a1,a2,a3,a4,a5,a6,a7) (internal_error ("FIX_CALL_DUMMY"), 0)
#endif
#if !defined STORE_STRUCT_RETURN
-#define STORE_STRUCT_RETURN(a1,a2) (abort ())
+#define STORE_STRUCT_RETURN(a1,a2) (internal_error ("STORE_STRUCT_RETURN"), 0)
#endif
/* Are we in a call dummy? */
extern int pc_in_call_dummy_before_text_end PARAMS ((CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address));
+#if !GDB_MULTI_ARCH
#if !defined (PC_IN_CALL_DUMMY) && CALL_DUMMY_LOCATION == BEFORE_TEXT_END
#define PC_IN_CALL_DUMMY(pc, sp, frame_address) pc_in_call_dummy_before_text_end (pc, sp, frame_address)
#endif /* Before text_end. */
+#endif
extern int pc_in_call_dummy_after_text_end PARAMS ((CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address));
+#if !GDB_MULTI_ARCH
#if !defined (PC_IN_CALL_DUMMY) && CALL_DUMMY_LOCATION == AFTER_TEXT_END
-#define PC_IN_CALL_DUMMY(pc, sp, frame_address) pc_in_call_dummy_after_text_end (pc, sp, frame_address)
+#define PC_IN_CALL_DUMMY(pc, sp, frame_address) pc_in_call_dummy_after_text_end (pc, sp, frame_address)
+#endif
#endif
extern int pc_in_call_dummy_on_stack PARAMS ((CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address));
+#if !GDB_MULTI_ARCH
#if !defined (PC_IN_CALL_DUMMY) && CALL_DUMMY_LOCATION == ON_STACK
#define PC_IN_CALL_DUMMY(pc, sp, frame_address) pc_in_call_dummy_on_stack (pc, sp, frame_address)
#endif
+#endif
extern int pc_in_call_dummy_at_entry_point PARAMS ((CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address));
+#if !GDB_MULTI_ARCH
#if !defined (PC_IN_CALL_DUMMY) && CALL_DUMMY_LOCATION == AT_ENTRY_POINT
#define PC_IN_CALL_DUMMY(pc, sp, frame_address) pc_in_call_dummy_at_entry_point (pc, sp, frame_address)
#endif
+#endif
/* It's often not enough for our clients to know whether the PC is merely
somewhere within the call dummy. They may need to know whether the
default implementation of CALL_DUMMY_HAS_COMPLETED is sufficient.
Else, a target may wish to supply an implementation that works in
the presense of multiple breakpoints in its call dummy.
- */
+ */
#if !defined(CALL_DUMMY_HAS_COMPLETED)
#define CALL_DUMMY_HAS_COMPLETED(pc, sp, frame_address) \
PC_IN_CALL_DUMMY((pc), (sp), (frame_address))
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