This patch adds a new convenience variable called "$_exitsignal", which

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

diff --git a/gdb/inferior.h b/gdb/inferior.h
index fc3b6d40818a07c5cd270ab165eac6e7fc0888d6..fff072bbb7068dc13ef9bc1a0c411943afd209ad 100644 (file)
--- a/gdb/inferior.h
+++ b/gdb/inferior.h
@@ -1,8 +1,7 @@
 /* Variables that describe the inferior process running under GDB:
    Where it is, why it stopped, and how to step it.
 
-   Copyright (C) 1986, 1988-1996, 1998-2001, 2003-2012 Free Software
-   Foundation, Inc.
+   Copyright (C) 1986-2013 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -30,6 +29,7 @@ struct gdbarch;
 struct regcache;
 struct ui_out;
 struct terminal_info;
+struct target_desc_info;
 
 #include "ptid.h"
 
@@ -43,6 +43,7 @@ struct terminal_info;
 #include "frame.h"
 
 #include "progspace.h"
+#include "registry.h"
 
 struct infcall_suspend_state;
 struct infcall_control_state;
@@ -89,7 +90,7 @@ 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
-   no inferior, PIDGET (inferior_ptid) will be 0.  */
+   no inferior, ptid_get_pid (inferior_ptid) will be 0.  */
 
 extern ptid_t inferior_ptid;
 
@@ -118,11 +119,6 @@ extern int step_stop_if_no_debug;
    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;
@@ -174,7 +170,7 @@ extern void default_print_registers_info (struct gdbarch *gdbarch,
                                          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);
 
@@ -201,7 +197,7 @@ extern char *construct_inferior_arguments (int, char **);
 
 /* From infrun.c */
 
-extern int debug_infrun;
+extern unsigned int debug_infrun;
 
 extern int stop_on_solib_events;
 
@@ -226,13 +222,13 @@ extern void get_last_target_status(ptid_t *ptid,
 
 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 */
 
@@ -248,16 +244,8 @@ extern void set_inferior_args_vector (int, char **);
 
 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_command (char *, int);
-
-extern void interrupt_target_command (char *args, int from_tty);
-
 extern void interrupt_target_1 (int all_threads);
 
 extern void delete_longjmp_breakpoint_cleanup (void *arg);
@@ -395,9 +383,11 @@ struct inferior_control_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
@@ -429,7 +419,9 @@ struct inferior
 
   /* 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
@@ -506,22 +498,31 @@ struct inferior
      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.  */
-  void **data;
-  unsigned num_data;
+  REGISTRY_FIELDS;
 };
 
 /* 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);
@@ -632,6 +633,8 @@ 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,