/* 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,
- 2011 Free Software Foundation, Inc.
+ Copyright (C) 1986-2013 Free Software Foundation, Inc.
This file is part of GDB.
struct regcache;
struct ui_out;
struct terminal_info;
+struct target_desc_info;
+
+#include "ptid.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 "registry.h"
struct infcall_suspend_state;
struct infcall_control_state;
extern struct regcache *
get_infcall_suspend_state_regcache (struct infcall_suspend_state *);
-/* 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;
-
-/* The null or zero ptid, often used to indicate no process. */
-extern ptid_t null_ptid;
-
-/* 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);
-
-/* 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);
-
/* 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
a process (ptid_is_pid returns true), in which case, all lwps and
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;
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;
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 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 resume (int, enum target_signal);
+extern void resume (int, enum gdb_signal);
extern ptid_t user_visible_resume_ptid (int step);
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 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);
/* From infrun.c */
-extern int debug_infrun;
+extern unsigned int debug_infrun;
extern int stop_on_solib_events;
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 */
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);
extern void notice_new_inferior (ptid_t, int, int);
+extern struct value *get_return_value (struct value *function,
+ struct type *value_type);
+
/* Address at which inferior stopped. */
extern CORE_ADDR stop_pc;
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.
/* 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.
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
/* 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'. */
/* 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
/* 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. */
- 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);
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 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) */
projects / deliverable / binutils-gdb.git / blobdiff