/* 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) 1986-2014 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 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 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 void terminal_ours_for_output (void);
-extern void terminal_inferior (void);
+extern void terminal_inferior (struct target_ops *self);
-extern void terminal_init_inferior (void);
+extern void terminal_init_inferior (struct target_ops *self);
extern void terminal_init_inferior_with_pgrp (int pgrp);
/* 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 type *func_type,
+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;
/* 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)
-#define START_INFERIOR_TRAPS_EXPECTED 2
+#define START_INFERIOR_TRAPS_EXPECTED 1
#endif
struct private_inferior;
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
int has_exit_code;
LONGEST exit_code;
- /* 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. */
+ /* 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;
- /* Number of times that "any" syscall is requested. */
- int any_syscall_count;
+ /* 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;
- /* Count of each system call. */
- VEC(int) *syscalls_counts;
+ /* The architecture associated with the inferior through the
+ connection to the target.
- /* This counts all syscall catch requests, so we can readily determine
- if any catching is necessary. */
- int total_syscalls_count;
+ 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 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