Makefile.in (HFILES_NO_SRCDIR): Remove "common/gdb_dirent.h".

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

diff --git a/gdb/inferior.h b/gdb/inferior.h
index 5abec6868d897eafcad962f242aa8de844509f6c..d33a01afaa478cc4ca308bd7792cd1a25381c0b0 100644 (file)
--- a/gdb/inferior.h
+++ b/gdb/inferior.h
@@ -1,9 +1,7 @@
 /* Variables that describe the inferior process running under GDB:
    Where it is, why it stopped, and how to step it.
 
 /* Variables that describe the inferior process running under GDB:
    Where it is, why it stopped, and how to step it.
 

-   Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
-   1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
-   Free Software Foundation, Inc.
+   Copyright (C) 1986-2013 Free Software Foundation, Inc.

 
    This file is part of GDB.
 
 
    This file is part of GDB.
 


@@ -31,79 +29,41 @@ struct gdbarch;
 struct regcache;
 struct ui_out;
 struct terminal_info;
 struct regcache;
 struct ui_out;
 struct terminal_info;

+struct target_desc_info;
+
+#include "ptid.h"

 
 /* For bpstat.  */
 #include "breakpoint.h"
 
 
 /* For bpstat.  */
 #include "breakpoint.h"
 

-/* For enum target_signal.  */
+/* For enum gdb_signal.  */

 #include "target.h"
 
 /* For struct frame_id.  */
 #include "frame.h"
 
 #include "progspace.h"
 #include "target.h"
 
 /* For struct frame_id.  */
 #include "frame.h"
 
 #include "progspace.h"

+#include "registry.h"

 
 

-/* Two structures are used to record inferior state.
-
-   inferior_thread_state contains state about the program itself like its
-   registers and any signal it received when it last stopped.
-   This state must be restored regardless of how the inferior function call
-   ends (either successfully, or after it hits a breakpoint or signal)
-   if the program is to properly continue where it left off.
-
-   inferior_status contains state regarding gdb's control of the inferior
-   itself like stepping control.  It also contains session state like the
-   user's currently selected frame.
-
-   Call these routines around hand called functions, including function calls
-   in conditional breakpoints for example.  */
-
-struct inferior_thread_state;
-struct inferior_status;
-
-extern struct inferior_thread_state *save_inferior_thread_state (void);
-extern struct inferior_status *save_inferior_status (void);
-
-extern void restore_inferior_thread_state (struct inferior_thread_state *);
-extern void restore_inferior_status (struct inferior_status *);
-
-extern struct cleanup *make_cleanup_restore_inferior_thread_state (struct inferior_thread_state *);
-extern struct cleanup *make_cleanup_restore_inferior_status (struct inferior_status *);
-
-extern void discard_inferior_thread_state (struct inferior_thread_state *);
-extern void discard_inferior_status (struct inferior_status *);
+struct infcall_suspend_state;
+struct infcall_control_state;

 
 

-extern struct regcache *get_inferior_thread_state_regcache (struct inferior_thread_state *);
+extern struct infcall_suspend_state *save_infcall_suspend_state (void);
+extern struct infcall_control_state *save_infcall_control_state (void);

 
 

-/* The -1 ptid, often used to indicate either an error condition
-   or a "don't care" condition, i.e, "run all threads."  */
-extern ptid_t minus_one_ptid;
+extern void restore_infcall_suspend_state (struct infcall_suspend_state *);
+extern void restore_infcall_control_state (struct infcall_control_state *);

 
 

-/* The null or zero ptid, often used to indicate no process. */
-extern ptid_t null_ptid;
+extern struct cleanup *make_cleanup_restore_infcall_suspend_state
+                                           (struct infcall_suspend_state *);
+extern struct cleanup *make_cleanup_restore_infcall_control_state
+                                           (struct infcall_control_state *);

 
 

-/* Attempt to find and return an existing ptid with the given PID, LWP,
-   and TID components.  If none exists, create a new one and return
-   that.  */
-ptid_t ptid_build (int pid, long lwp, long tid);
+extern void discard_infcall_suspend_state (struct infcall_suspend_state *);
+extern void discard_infcall_control_state (struct infcall_control_state *);

 
 

-/* Find/Create a ptid from just a pid. */
-ptid_t pid_to_ptid (int pid);
-
-/* Fetch the pid (process id) component from a ptid. */
-int ptid_get_pid (ptid_t ptid);
-
-/* Fetch the lwp (lightweight process) component from a ptid. */
-long ptid_get_lwp (ptid_t ptid);
-
-/* Fetch the tid (thread id) component from a ptid. */
-long ptid_get_tid (ptid_t ptid);
-
-/* Compare two ptids to see if they are equal */
-extern int ptid_equal (ptid_t p1, ptid_t p2);
-
-/* Return true if PTID represents a process id.  */
-extern int ptid_is_pid (ptid_t ptid);
+extern struct regcache *
+  get_infcall_suspend_state_regcache (struct infcall_suspend_state *);

 
 /* Returns true if PTID matches filter FILTER.  FILTER can be the wild
    card MINUS_ONE_PTID (all ptid match it); can be a ptid representing
 
 /* Returns true if PTID matches filter FILTER.  FILTER can be the wild
    card MINUS_ONE_PTID (all ptid match it); can be a ptid representing


@@ -130,20 +90,20 @@ extern void set_inferior_io_terminal (const char *terminal_name);
 extern const char *get_inferior_io_terminal (void);
 
 /* Collected pid, tid, etc. of the debugged inferior.  When there's
 extern const char *get_inferior_io_terminal (void);
 
 /* Collected pid, tid, etc. of the debugged inferior.  When there's

-   no inferior, PIDGET (inferior_ptid) will be 0. */
+   no inferior, ptid_get_pid (inferior_ptid) will be 0.  */

 
 extern ptid_t inferior_ptid;
 
 /* Are we simulating synchronous execution? This is used in async gdb
    to implement the 'run', 'continue' etc commands, which will not
 
 extern ptid_t inferior_ptid;
 
 /* 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. */
+   redisplay the prompt until the execution is actually over.  */

 extern int sync_execution;
 
 extern int sync_execution;
 

-/* Inferior environment. */
+/* Inferior environment.  */

 
 extern void clear_proceed_status (void);
 
 
 extern void clear_proceed_status (void);
 

-extern void proceed (CORE_ADDR, enum target_signal, int);
+extern void proceed (CORE_ADDR, enum gdb_signal, int);

 
 extern int sched_multi;
 
 
 extern int sched_multi;
 


@@ -154,15 +114,14 @@ extern int step_stop_if_no_debug;
 
 /* If set, the inferior should be controlled in non-stop mode.  In
    this mode, each thread is controlled independently.  Execution
 
 /* If set, the inferior should be controlled in non-stop mode.  In
    this mode, each thread is controlled independently.  Execution

-   commands apply only to the the selected thread by default, and stop
+   commands apply only to the selected thread by default, and stop

    events stop only the thread that had the event -- the other threads
    are kept running freely.  */
 extern int non_stop;
 
    events stop only the thread that had the event -- the other threads
    are kept running freely.  */
 extern int non_stop;
 

-/* If set (default), when following a fork, GDB will detach from one
-   the fork branches, child or parent.  Exactly which branch is
-   detached depends on 'set follow-fork-mode' setting.  */
-extern int detach_fork;
+/* When set (default), the target should attempt to disable the operating
+   system's address space randomization feature when starting an inferior.  */
+extern int disable_randomization;

 
 extern void generic_mourn_inferior (void);
 
 
 extern void generic_mourn_inferior (void);
 


@@ -183,7 +142,7 @@ extern void address_to_signed_pointer (struct gdbarch *gdbarch,
                                       struct type *type, gdb_byte *buf,
                                       CORE_ADDR addr);
 
                                       struct type *type, gdb_byte *buf,
                                       CORE_ADDR addr);
 

-extern void wait_for_inferior (int treat_exec_as_sigtrap);
+extern void wait_for_inferior (void);

 
 extern void prepare_for_detach (void);
 
 
 extern void prepare_for_detach (void);
 


@@ -191,14 +150,18 @@ extern void fetch_inferior_event (void *);
 
 extern void init_wait_for_inferior (void);
 
 
 extern void init_wait_for_inferior (void);
 

-extern void close_exec_file (void);
-

 extern void reopen_exec_file (void);
 
 /* The `resume' routine should only be called in special circumstances.
    Normally, use `proceed', which handles a lot of bookkeeping.  */
 
 extern void reopen_exec_file (void);
 
 /* The `resume' routine should only be called in special circumstances.
    Normally, use `proceed', which handles a lot of bookkeeping.  */
 

-extern void resume (int, enum target_signal);
+extern void resume (int, enum gdb_signal);
+
+extern ptid_t user_visible_resume_ptid (int step);
+
+extern void insert_step_resume_breakpoint_at_sal (struct gdbarch *,
+                                                 struct symtab_and_line ,
+                                                 struct frame_id);

 
 /* From misc files */
 
 
 /* From misc files */
 


@@ -207,7 +170,7 @@ extern void default_print_registers_info (struct gdbarch *gdbarch,
                                          struct frame_info *frame,
                                          int regnum, int all);
 
                                          struct frame_info *frame,
                                          int regnum, int all);
 

-extern void child_terminal_info (char *, int);
+extern void child_terminal_info (const char *, int);

 
 extern void term_info (char *, int);
 
 
 extern void term_info (char *, int);
 


@@ -223,7 +186,9 @@ extern void terminal_init_inferior_with_pgrp (int pgrp);
 
 extern int fork_inferior (char *, char *, char **,
                          void (*)(void),
 
 extern int fork_inferior (char *, char *, char **,
                          void (*)(void),

-                         void (*)(int), void (*)(void), char *);
+                         void (*)(int), void (*)(void), char *,
+                          void (*)(const char *,
+                                   char * const *, char * const *));

 
 
 extern void startup_inferior (int);
 
 
 extern void startup_inferior (int);


@@ -232,7 +197,7 @@ extern char *construct_inferior_arguments (int, char **);
 
 /* From infrun.c */
 
 
 /* From infrun.c */
 

-extern int debug_infrun;
+extern unsigned int debug_infrun;

 
 extern int stop_on_solib_events;
 
 
 extern int stop_on_solib_events;
 


@@ -257,13 +222,13 @@ extern void get_last_target_status(ptid_t *ptid,
 
 extern void follow_inferior_reset_breakpoints (void);
 
 
 extern void follow_inferior_reset_breakpoints (void);
 

-/* Throw an error indicating the current thread is running.  */
-extern void error_is_running (void);
+void set_step_info (struct frame_info *frame, struct symtab_and_line sal);

 
 

-/* Calls error_is_running if the current thread is running.  */
-extern void ensure_not_running (void);
+/* Clear the convenience variables associated with the exit of the
+   inferior.  Currently, those variables are $_exitcode and
+   $_exitsignal.  */

 
 

-void set_step_info (struct frame_info *frame, struct symtab_and_line sal);
+extern void clear_exit_convenience_vars (void);

 
 /* From infcmd.c */
 
 
 /* From infcmd.c */
 


@@ -279,22 +244,38 @@ extern void set_inferior_args_vector (int, char **);
 
 extern void registers_info (char *, int);
 
 
 extern void registers_info (char *, int);
 

-extern void nexti_command (char *, int);
-
-extern void stepi_command (char *, int);
-

 extern void continue_1 (int all_threads);
 
 extern void continue_1 (int all_threads);
 

-extern void continue_command (char *, int);
-
-extern void interrupt_target_command (char *args, int from_tty);
-

 extern void interrupt_target_1 (int all_threads);
 
 extern void interrupt_target_1 (int all_threads);
 

+extern void delete_longjmp_breakpoint_cleanup (void *arg);
+

 extern void detach_command (char *, int);
 
 extern void notice_new_inferior (ptid_t, int, int);
 
 extern void detach_command (char *, int);
 
 extern void notice_new_inferior (ptid_t, int, int);
 

+extern struct value *get_return_value (struct value *function,
+                                       struct type *value_type);
+
+/* Whether to start up the debuggee under a shell.
+
+   If startup-with-shell is set, GDB's "run" will attempt to start up
+   the debuggee under a shell.
+
+   This is in order for argument-expansion to occur.  E.g.,
+
+   (gdb) run *
+
+   The "*" gets expanded by the shell into a list of files.
+
+   While this is a nice feature, it may be handy to bypass the shell
+   in some cases.  To disable this feature, do "set startup-with-shell
+   false".
+
+   The catch-exec traps expected during start-up will be one more if
+   the target is started up with a shell.  */
+extern int startup_with_shell;
+

 /* Address at which inferior stopped.  */
 
 extern CORE_ADDR stop_pc;
 /* Address at which inferior stopped.  */
 
 extern CORE_ADDR stop_pc;


@@ -326,10 +307,10 @@ enum step_over_calls_kind
    setting up a remote connection; it is like STOP_QUIETLY_NO_SIGSTOP
    except that there is no need to hide a signal.  */
 
    setting up a remote connection; it is like STOP_QUIETLY_NO_SIGSTOP
    except that there is no need to hide a signal.  */
 

-/* It is also used after attach, due to attaching to a process. This
+/* It is also used after attach, due to attaching to a process.  This

    is a bit trickier.  When doing an attach, the kernel stops the
    debuggee with a SIGSTOP.  On newer GNU/Linux kernels (>= 2.5.61)
    is a bit trickier.  When doing an attach, the kernel stops the
    debuggee with a SIGSTOP.  On newer GNU/Linux kernels (>= 2.5.61)

-   the handling of SIGSTOP for a ptraced process has changed. Earlier
+   the handling of SIGSTOP for a ptraced process has changed.  Earlier

    versions of the kernel would ignore these SIGSTOPs, while now
    SIGSTOP is treated like any other signal, i.e. it is not muffled.
    
    versions of the kernel would ignore these SIGSTOPs, while now
    SIGSTOP is treated like any other signal, i.e. it is not muffled.
    


@@ -337,7 +318,7 @@ enum step_over_calls_kind
    the global variable stop_signal (which stores the signal from the
    attach, SIGSTOP) to the ptrace(PTRACE_CONT,...)  call.  This is
    problematic, because the kernel doesn't ignore such SIGSTOP
    the global variable stop_signal (which stores the signal from the
    attach, SIGSTOP) to the ptrace(PTRACE_CONT,...)  call.  This is
    problematic, because the kernel doesn't ignore such SIGSTOP

-   now. I.e. it is reported back to gdb, which in turn presents it
+   now.  I.e. it is reported back to gdb, which in turn presents it

    back to the user.
  
    To avoid the problem, we use STOP_QUIETLY_NO_SIGSTOP, which allows
    back to the user.
  
    To avoid the problem, we use STOP_QUIETLY_NO_SIGSTOP, which allows


@@ -356,11 +337,13 @@ enum stop_kind
 enum exec_direction_kind
   {
     EXEC_FORWARD,
 enum exec_direction_kind
   {
     EXEC_FORWARD,

-    EXEC_REVERSE,
-    EXEC_ERROR
+    EXEC_REVERSE

   };
 
   };
 

-extern enum exec_direction_kind execution_direction;
+/* The current execution direction.  This should only be set to enum
+   exec_direction_kind values.  It is only an int to make it
+   compatible with make_cleanup_restore_integer.  */
+extern int execution_direction;

 
 /* Save register contents here when executing a "finish" command or are
    about to pop a stack dummy frame, if-and-only-if proceed_to_finish is set.
 
 /* Save register contents here when executing a "finish" command or are
    about to pop a stack dummy frame, if-and-only-if proceed_to_finish is set.


@@ -376,35 +359,42 @@ extern int debug_displaced;
 void displaced_step_dump_bytes (struct ui_file *file,
                                 const gdb_byte *buf, size_t len);
 
 void displaced_step_dump_bytes (struct ui_file *file,
                                 const gdb_byte *buf, size_t len);
 

+struct displaced_step_closure *get_displaced_step_closure_by_addr (CORE_ADDR addr);

 \f
 /* Possible values for gdbarch_call_dummy_location.  */
 #define ON_STACK 1
 #define AT_ENTRY_POINT 4
 \f
 /* Possible values for gdbarch_call_dummy_location.  */
 #define ON_STACK 1
 #define AT_ENTRY_POINT 4

-#define AT_SYMBOL 5

 
 

-/* If STARTUP_WITH_SHELL is set, GDB's "run"
-   will attempts to start up the debugee under a shell.
-   This is in order for argument-expansion to occur. E.g.,
-   (gdb) run *
-   The "*" gets expanded by the shell into a list of files.
-   While this is a nice feature, it turns out to interact badly
-   with some of the catch-fork/catch-exec features we have added.
-   In particular, if the shell does any fork/exec's before
-   the exec of the target program, that can confuse GDB.
-   To disable this feature, set STARTUP_WITH_SHELL to 0.
-   To enable this feature, set STARTUP_WITH_SHELL to 1.
-   The catch-exec traps expected during start-up will
-   be 1 if target is not started up with a shell, 2 if it is.
-   - RT
-   If you disable this, you need to decrement
-   START_INFERIOR_TRAPS_EXPECTED in tm.h. */
-#define STARTUP_WITH_SHELL 1
+/* Number of traps that happen between exec'ing the shell to run an
+   inferior and when we finally get to the inferior code, not counting
+   the exec for the shell.  This is 1 on most implementations.
+   Overridden in nm.h files.  */

 #if !defined(START_INFERIOR_TRAPS_EXPECTED)
 #if !defined(START_INFERIOR_TRAPS_EXPECTED)

-#define START_INFERIOR_TRAPS_EXPECTED  2
+#define START_INFERIOR_TRAPS_EXPECTED  1

 #endif
 
 struct private_inferior;
 
 #endif
 
 struct private_inferior;
 

+/* Inferior process specific part of `struct infcall_control_state'.
+
+   Inferior thread counterpart is `struct thread_control_state'.  */
+
+struct inferior_control_state
+{
+  /* See the definition of stop_kind above.  */
+  enum stop_kind stop_soon;
+};
+
+/* Inferior process specific part of `struct infcall_suspend_state'.
+
+   Inferior thread counterpart is `struct thread_suspend_state'.  */
+
+#if 0 /* Currently unused and empty structures are not valid C.  */
+struct inferior_suspend_state
+{
+};
+#endif
+

 /* GDB represents the state of each program execution with an object
    called an inferior.  An inferior typically corresponds to a process
    but is more general and applies also to targets that do not have a
 /* GDB represents the state of each program execution with an object
    called an inferior.  An inferior typically corresponds to a process
    but is more general and applies also to targets that do not have a


@@ -426,6 +416,18 @@ struct inferior
   /* Actual target inferior id, usually, a process id.  This matches
      the ptid_t.pid member of threads of this inferior.  */
   int pid;
   /* Actual target inferior id, usually, a process id.  This matches
      the ptid_t.pid member of threads of this inferior.  */
   int pid;

+  /* True if the PID was actually faked by GDB.  */
+  int fake_pid_p;
+
+  /* State of GDB control of inferior process execution.
+     See `struct inferior_control_state'.  */
+  struct inferior_control_state control;
+
+  /* State of inferior process to restore after GDB is done with an inferior
+     call.  See `struct inferior_suspend_state'.  */
+#if 0 /* Currently unused and empty structures are not valid C.  */
+  struct inferior_suspend_state suspend;
+#endif

 
   /* True if this was an auto-created inferior, e.g. created from
      following a fork; false, if this inferior was manually added by
 
   /* True if this was an auto-created inferior, e.g. created from
      following a fork; false, if this inferior was manually added by


@@ -458,9 +460,6 @@ struct inferior
      in format described in environ.h.  */
   struct gdb_environ *environment;
 
      in format described in environ.h.  */
   struct gdb_environ *environment;
 

-  /* See the definition of stop_kind above.  */
-  enum stop_kind stop_soon;
-

   /* Nonzero if this child process was attached rather than
      forked.  */
   int attach_flag;
   /* Nonzero if this child process was attached rather than
      forked.  */
   int attach_flag;


@@ -495,36 +494,41 @@ struct inferior
   /* Private data used by the target vector implementation.  */
   struct private_inferior *private;
 
   /* Private data used by the target vector implementation.  */
   struct private_inferior *private;
 

-  /* We keep a count of the number of times the user has requested a
-     particular syscall to be tracked, and pass this information to the
-     target.  This lets capable targets implement filtering directly.  */
-
-  /* Number of times that "any" syscall is requested.  */
-  int any_syscall_count;
-
-  /* Count of each system call.  */
-  VEC(int) *syscalls_counts;
-
-  /* This counts all syscall catch requests, so we can readily determine
-     if any catching is necessary.  */
-  int total_syscalls_count;
+  /* HAS_EXIT_CODE is true if the inferior exited with an exit code.
+     In this case, the EXIT_CODE field is also valid.  */
+  int has_exit_code;
+  LONGEST exit_code;
+
+  /* Default flags to pass to the symbol reading functions.  These are
+     used whenever a new objfile is created.  The valid values come
+     from enum symfile_add_flags.  */
+  int symfile_flags;
+
+  /* Info about an inferior's target description (if it's fetched; the
+     user supplied description's filename, if any; etc.).  */
+  struct target_desc_info *tdesc_info;
+
+  /* The architecture associated with the inferior through the
+     connection to the target.
+
+     The architecture vector provides some information that is really
+     a property of the inferior, accessed through a particular target:
+     ptrace operations; the layout of certain RSP packets; the
+     solib_ops vector; etc.  To differentiate architecture accesses to
+     per-inferior/target properties from
+     per-thread/per-frame/per-objfile properties, accesses to
+     per-inferior/target properties should be made through
+     this gdbarch.  */
+  struct gdbarch *gdbarch;

 
   /* Per inferior data-pointers required by other GDB modules.  */
 
   /* Per inferior data-pointers required by other GDB modules.  */

-  void **data;
-  unsigned num_data;
+  REGISTRY_FIELDS;

 };
 
 /* Keep a registry of per-inferior data-pointers required by other GDB
    modules.  */
 
 };
 
 /* Keep a registry of per-inferior data-pointers required by other GDB
    modules.  */
 

-extern const struct inferior_data *register_inferior_data (void);
-extern const struct inferior_data *register_inferior_data_with_cleanup
-  (void (*cleanup) (struct inferior *, void *));
-extern void clear_inferior_data (struct inferior *inf);
-extern void set_inferior_data (struct inferior *inf,
-                              const struct inferior_data *data, void *value);
-extern void *inferior_data (struct inferior *inf,
-                           const struct inferior_data *data);
+DECLARE_REGISTRY (inferior);

 
 /* Create an empty inferior list, or empty the existing one.  */
 extern void init_inferior_list (void);
 
 /* Create an empty inferior list, or empty the existing one.  */
 extern void init_inferior_list (void);


@@ -601,12 +605,6 @@ extern struct inferior *iterate_over_inferiors (int (*) (struct inferior *,
                                                         void *),
                                                void *);
 
                                                         void *),
                                                void *);
 

-/* Prints the list of inferiors and their details on UIOUT.
-
-   If REQUESTED_INFERIOR is not -1, it's the GDB id of the inferior
-   that should be printed.  Otherwise, all inferiors are printed.  */
-extern void print_inferior (struct ui_out *uiout, int requested_inferior);
-

 /* Returns true if the inferior list is not empty.  */
 extern int have_inferiors (void);
 
 /* Returns true if the inferior list is not empty.  */
 extern int have_inferiors (void);
 


@@ -622,6 +620,11 @@ extern void set_current_inferior (struct inferior *);
 
 extern struct cleanup *save_current_inferior (void);
 
 
 extern struct cleanup *save_current_inferior (void);
 

+/* Traverse all inferiors.  */
+
+#define ALL_INFERIORS(I) \
+  for ((I) = inferior_list; (I); (I) = (I)->next)
+

 extern struct inferior *inferior_list;
 
 /* Prune away automatically added inferiors that aren't required
 extern struct inferior *inferior_list;
 
 /* Prune away automatically added inferiors that aren't required


@@ -634,4 +637,18 @@ extern struct inferior *add_inferior_with_spaces (void);
 
 extern void update_observer_mode (void);
 
 
 extern void update_observer_mode (void);
 

+extern void update_signals_program_target (void);
+
+extern void signal_catch_update (const unsigned int *);
+
+/* In some circumstances we allow a command to specify a numeric
+   signal.  The idea is to keep these circumstances limited so that
+   users (and scripts) develop portable habits.  For comparison,
+   POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a
+   numeric signal at all is obsolescent.  We are slightly more lenient
+   and allow 1-15 which should match host signal numbers on most
+   systems.  Use of symbolic signal names is strongly encouraged.  */
+
+enum gdb_signal gdb_signal_from_command (int num);
+

 #endif /* !defined (INFERIOR_H) */
 #endif /* !defined (INFERIOR_H) */