/* Variables that describe the inferior process running under GDB:
Where it is, why it stopped, and how to step it.
- Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+ 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008
+ Free Software Foundation, Inc.
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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if !defined (INFERIOR_H)
#define INFERIOR_H 1
extern void clear_sigio_trap (void);
-/* File name for default use for standard in/out in the inferior. */
+/* Set/get file name for default use for standard in/out in the inferior. */
-extern char *inferior_io_terminal;
+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. */
extern ptid_t inferior_ptid;
-/* 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_ptid is non-zero.
-
- If this is 0, then exec events should be noticed and responded to
- by the debugger (i.e., be reported to the user).
-
- 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
- zero.
-
- Some targets (stupidly) report more than one exec event per actual
+/* Some targets (stupidly) report more than one exec event per actual
call to an event() system call. If only the last such exec event
need actually be noticed and responded to by the debugger (i.e.,
be reported to the user), then this is the number of "leading"
/* Inferior environment. */
-extern struct environ *inferior_environ;
+extern struct gdb_environ *inferior_environ;
extern void clear_proceed_status (void);
extern void proceed (CORE_ADDR, enum target_signal, int);
+extern ptid_t context_switch_to (ptid_t ptid);
+
/* When set, stop the 'step' command if we enter a function which has
no line number information. The normal behavior is that we step
over such function. */
extern int step_stop_if_no_debug;
-extern void kill_inferior (void);
+/* 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
+ events stop only the thread that had the event -- the other threads
+ are kept running freely. */
+extern int non_stop;
extern void generic_mourn_inferior (void);
extern CORE_ADDR read_pc (void);
-extern CORE_ADDR read_pc_pid (ptid_t);
-
-extern CORE_ADDR generic_target_read_pc (ptid_t);
-
extern void write_pc (CORE_ADDR);
-extern void write_pc_pid (CORE_ADDR, ptid_t);
-
-extern void generic_target_write_pc (CORE_ADDR, ptid_t);
-
-extern CORE_ADDR read_sp (void);
-
-extern CORE_ADDR generic_target_read_sp (void);
-
-extern void generic_target_write_sp (CORE_ADDR);
-
-extern CORE_ADDR deprecated_read_fp (void);
-
-extern CORE_ADDR unsigned_pointer_to_address (struct type *type, const void *buf);
-
-extern void unsigned_address_to_pointer (struct type *type, void *buf,
+extern CORE_ADDR unsigned_pointer_to_address (struct type *type,
+ const gdb_byte *buf);
+extern void unsigned_address_to_pointer (struct type *type, gdb_byte *buf,
CORE_ADDR addr);
extern CORE_ADDR signed_pointer_to_address (struct type *type,
- const void *buf);
-extern void address_to_signed_pointer (struct type *type, void *buf,
+ const gdb_byte *buf);
+extern void address_to_signed_pointer (struct type *type, gdb_byte *buf,
CORE_ADDR addr);
-extern void wait_for_inferior (void);
+extern void wait_for_inferior (int treat_exec_as_sigtrap);
extern void fetch_inferior_event (void *);
struct frame_info *frame,
int regnum, int all);
-extern void store_inferior_registers (int);
-
-extern void fetch_inferior_registers (int);
-
-extern void solib_create_inferior_hook (void);
-
extern void child_terminal_info (char *, int);
extern void term_info (char *, int);
extern void terminal_init_inferior_with_pgrp (int pgrp);
-/* From infptrace.c or infttrace.c */
-
-extern int attach (int);
-
-extern void detach (int);
-
-/* PTRACE method of waiting for inferior process. */
-int ptrace_wait (ptid_t, int *);
-
-extern void child_resume (ptid_t, int, enum target_signal);
-
-#ifndef PTRACE_ARG3_TYPE
-#define PTRACE_ARG3_TYPE int /* Correct definition for most systems. */
-#endif
-
-extern int call_ptrace (int, int, PTRACE_ARG3_TYPE, int);
-
-extern void pre_fork_inferior (void);
-
/* From procfs.c */
extern int proc_iterate_over_mappings (int (*)(int, CORE_ADDR));
/* From inflow.c */
-extern void new_tty_prefork (char *);
+extern void new_tty_prefork (const char *);
extern int gdb_has_a_terminal (void);
/* From infrun.c */
-extern void start_remote (void);
+extern void start_remote (int from_tty);
extern void normal_stop (void);
extern void follow_inferior_reset_breakpoints (void);
+/* Throw an error indicating the current thread is running. */
+extern void error_is_running (void);
+
+/* Calls error_is_running if the current thread is running. */
+extern void ensure_not_running (void);
+
/* From infcmd.c */
extern void tty_command (char *, int);
+extern void post_create_inferior (struct target_ops *, int);
+
extern void attach_command (char *, int);
extern char *get_inferior_args (void);
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);
+
/* Last signal that the inferior received (why it stopped). */
extern enum target_signal stop_signal;
extern CORE_ADDR stop_pc;
-/* Chain containing status of breakpoint(s) that we have stopped at. */
-
-extern bpstat stop_bpstat;
-
/* Flag indicating that a command has proceeded the inferior past the
current breakpoint. */
extern int stopped_by_random_signal;
-/* Range to single step within.
- If this is nonzero, respond to a single-step signal
- by continuing to step if the pc is in this range.
-
- If step_range_start and step_range_end are both 1, it means to step for
- a single instruction (FIXME: it might clean up wait_for_inferior in a
- minor way if this were changed to the address of the instruction and
- that address plus one. But maybe not.). */
-
-extern CORE_ADDR step_range_start; /* Inclusive */
-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,
- and how to set the frame for the breakpoint used to step out. */
-
-extern struct frame_id step_frame_id;
-
-/* Our notion of the current stack pointer. */
-
-extern CORE_ADDR step_sp;
-
/* 1 means step over all subroutine calls.
-1 means step over calls to undebuggable functions. */
STEP_OVER_UNDEBUGGABLE
};
-extern enum step_over_calls_kind step_over_calls;
-
/* If stepping, nonzero means step count is > 1
so don't print frame next time inferior stops
if it stops due to stepping. */
extern int step_multi;
-/* Nonzero means expecting a trap and caller will handle it
- themselves. It is used when running in the shell before the child
- program has been exec'd; and when running some kinds of remote
- stuff (FIXME?). */
+/* Anything but NO_STOP_QUIETLY means we expect a trap and the caller
+ will handle it themselves. STOP_QUIETLY is used when running in
+ the shell before the child program has been exec'd and when running
+ through shared library loading. STOP_QUIETLY_REMOTE is used when
+ 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
is a bit trickier. When doing an attach, the kernel stops the
{
NO_STOP_QUIETLY = 0,
STOP_QUIETLY,
+ STOP_QUIETLY_REMOTE,
STOP_QUIETLY_NO_SIGSTOP
};
than forked. */
extern int attach_flag;
-\f
-/* Possible values for CALL_DUMMY_LOCATION. */
-#define ON_STACK 1
-#define AT_ENTRY_POINT 4
-/* FIXME: cagney/2000-04-17: gdbarch should manage this. The default
- shouldn't be necessary. */
+/* True if we are debugging displaced stepping. */
+extern int debug_displaced;
-#if !defined PUSH_DUMMY_FRAME
-#define PUSH_DUMMY_FRAME (internal_error (__FILE__, __LINE__, "PUSH_DUMMY_FRAME"), 0)
-#endif
+/* Dump LEN bytes at BUF in hex to FILE, followed by a newline. */
+void displaced_step_dump_bytes (struct ui_file *file,
+ const gdb_byte *buf, size_t len);
-#if !defined STORE_STRUCT_RETURN
-#define STORE_STRUCT_RETURN(a1,a2) (internal_error (__FILE__, __LINE__, "STORE_STRUCT_RETURN"), 0)
-#endif
+/* When set, normal_stop will not call the normal_stop observer. */
+extern int suppress_stop_observer;
-/* Are we in a call dummy? */
-
-/* NOTE: cagney/2002-11-24: Targets need to both switch to generic
- dummy frames, and use generic_pc_in_call_dummy(). The generic
- version should be able to handle all cases since that code works by
- saving the address of the dummy's breakpoint (where ever it is). */
-
-extern int deprecated_pc_in_call_dummy_on_stack (CORE_ADDR pc,
- CORE_ADDR sp,
- CORE_ADDR frame_address);
-
-/* NOTE: cagney/2002-11-24: Targets need to both switch to generic
- dummy frames, and use generic_pc_in_call_dummy(). The generic
- version should be able to handle all cases since that code works by
- saving the address of the dummy's breakpoint (where ever it is). */
-
-extern int deprecated_pc_in_call_dummy_at_entry_point (CORE_ADDR pc,
- CORE_ADDR sp,
- CORE_ADDR frame_address);
-
-/* 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
- call dummy has actually completed. (For example, wait_for_inferior
- wants to know when it should truly stop because the call dummy has
- completed. If we're single-stepping because of slow watchpoints,
- then we may find ourselves stopped at the entry of the call dummy,
- and want to continue stepping until we reach the end.)
-
- Note that this macro is intended for targets (like HP-UX) which
- require more than a single breakpoint in their call dummies, and
- therefore cannot use the DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET
- mechanism.
-
- If a target does define DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET,
- then this 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) \
- DEPRECATED_PC_IN_CALL_DUMMY((pc), (sp), (frame_address))
-#endif
+/* When set, no calls to target_resumed observer will be made. */
+extern int suppress_resume_observer;
+
+\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.
projects / deliverable / binutils-gdb.git / blobdiff