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.
+ 1996, 1998, 1999, 2000, 2001, 2003, 2004, 2005
+ Free Software Foundation, Inc.
This file is part of GDB.
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. */
/* Inferior environment. */
-extern struct environ *inferior_environ;
+extern struct gdb_environ *inferior_environ;
extern void clear_proceed_status (void);
extern CORE_ADDR read_sp (void);
-extern void deprecated_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 child_resume (ptid_t, int, enum target_signal);
#ifndef PTRACE_ARG3_TYPE
-#define PTRACE_ARG3_TYPE int /* Correct definition for most systems. */
+#define PTRACE_ARG3_TYPE PTRACE_TYPE_ARG3
#endif
extern int call_ptrace (int, int, PTRACE_ARG3_TYPE, int);
/* From inflow.c */
-extern void new_tty_prefork (char *);
+extern void new_tty_prefork (const char *);
extern int gdb_has_a_terminal (void);
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. */
/* 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. */
-
-#if !defined PUSH_DUMMY_FRAME
-#define PUSH_DUMMY_FRAME (internal_error (__FILE__, __LINE__, "PUSH_DUMMY_FRAME"), 0)
-#endif
-
-#if !defined STORE_STRUCT_RETURN
-#define STORE_STRUCT_RETURN(a1,a2) (internal_error (__FILE__, __LINE__, "STORE_STRUCT_RETURN"), 0)
-#endif
-
-
-/* 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
+#define AT_SYMBOL 5
/* If STARTUP_WITH_SHELL is set, GDB's "run"
will attempts to start up the debugee under a shell.