/* Variables that describe the inferior process running under GDB:
Where it is, why it stopped, and how to step it.
- Copyright 1986, 1989, 1992, 1996, 1998 Free Software Foundation, Inc.
+ Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+ 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of GDB.
#if !defined (INFERIOR_H)
#define INFERIOR_H 1
+struct gdbarch;
+struct regcache;
+
/* For bpstat. */
#include "breakpoint.h"
*inf_status, int regno,
LONGEST val);
-/* This macro gives the number of registers actually in use by the
- inferior. This may be less than the total number of registers,
- perhaps depending on the actual CPU in use or program being run. */
+/* 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;
-#ifndef ARCH_NUM_REGS
-#define ARCH_NUM_REGS NUM_REGS
-#endif
+/* 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);
+
+/* Save value of inferior_ptid so that it may be restored by
+ a later call to do_cleanups(). Returns the struct cleanup
+ pointer needed for later doing the cleanup. */
+extern struct cleanup * save_inferior_ptid (void);
extern void set_sigint_trap (void);
extern char *inferior_io_terminal;
-/* Pid of our debugged inferior, or 0 if no inferior now. */
+/* Collected pid, tid, etc. of the debugged inferior. When there's
+ no inferior, PIDGET (inferior_ptid) will be 0. */
-extern int inferior_pid;
+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
redisplay the prompt until the execution is actually over. */
extern int sync_execution;
-/* This is only valid when inferior_pid is non-zero.
+/* 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).
extern struct environ *inferior_environ;
-/* Character array containing an image of the inferior programs'
- registers. */
-
-extern char *registers;
-
-/* Character array containing the current state of each register
- (unavailable<0, valid=0, invalid>0). */
-
-extern signed char *register_valid;
-
extern void clear_proceed_status (void);
extern void proceed (CORE_ADDR, enum target_signal, int);
+/* 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);
extern void generic_mourn_inferior (void);
extern void terminal_ours (void);
-extern int run_stack_dummy (CORE_ADDR, char *);
+extern int run_stack_dummy (CORE_ADDR , struct regcache *);
extern CORE_ADDR read_pc (void);
-extern CORE_ADDR read_pc_pid (int);
+extern CORE_ADDR read_pc_pid (ptid_t);
-extern CORE_ADDR generic_target_read_pc (int);
+extern CORE_ADDR generic_target_read_pc (ptid_t);
extern void write_pc (CORE_ADDR);
-extern void write_pc_pid (CORE_ADDR, int);
+extern void write_pc_pid (CORE_ADDR, ptid_t);
-extern void generic_target_write_pc (CORE_ADDR, int);
+extern void generic_target_write_pc (CORE_ADDR, ptid_t);
extern CORE_ADDR read_sp (void);
extern CORE_ADDR generic_target_read_fp (void);
-extern void write_fp (CORE_ADDR);
+extern CORE_ADDR unsigned_pointer_to_address (struct type *type, void *buf);
-extern void generic_target_write_fp (CORE_ADDR);
-
-extern CORE_ADDR generic_pointer_to_address (struct type *type, char *buf);
-
-extern void generic_address_to_pointer (struct type *type, char *buf,
- CORE_ADDR addr);
+extern void unsigned_address_to_pointer (struct type *type, void *buf,
+ CORE_ADDR addr);
+extern CORE_ADDR signed_pointer_to_address (struct type *type, void *buf);
+extern void address_to_signed_pointer (struct type *type, void *buf,
+ CORE_ADDR addr);
extern void wait_for_inferior (void);
/* From misc files */
+extern void default_print_registers_info (struct gdbarch *gdbarch,
+ struct ui_file *file,
+ struct frame_info *frame,
+ int regnum, int all);
+
extern void store_inferior_registers (int);
extern void fetch_inferior_registers (int);
extern void detach (int);
/* PTRACE method of waiting for inferior process. */
-int ptrace_wait (int, int *);
+int ptrace_wait (ptid_t, int *);
-extern void child_resume (int, int, enum target_signal);
+extern void child_resume (ptid_t, int, enum target_signal);
#ifndef PTRACE_ARG3_TYPE
#define PTRACE_ARG3_TYPE int /* Correct definition for most systems. */
extern int proc_iterate_over_mappings (int (*)(int, CORE_ADDR));
-extern int procfs_first_available (void);
+extern ptid_t procfs_first_available (void);
/* From fork-child.c */
extern void startup_inferior (int);
+extern char *construct_inferior_arguments (struct gdbarch *, int, char **);
+
/* From inflow.c */
extern void new_tty_prefork (char *);
extern int signal_pass_update (int, int);
+extern void get_last_target_status(ptid_t *ptid,
+ struct target_waitstatus *status);
+
/* From infcmd.c */
extern void tty_command (char *, int);
extern void attach_command (char *, int);
+extern char *get_inferior_args (void);
+
+extern char *set_inferior_args (char *);
+
+extern void set_inferior_args_vector (int, char **);
+
/* Last signal that the inferior received (why it stopped). */
extern enum target_signal stop_signal;
/* 1 means step over all subroutine calls.
-1 means step over calls to undebuggable functions. */
-extern int step_over_calls;
+enum step_over_calls_kind
+ {
+ STEP_OVER_NONE,
+ STEP_OVER_ALL,
+ 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
Thus this contains the return value from the called function (assuming
values are returned in a register). */
-extern char *stop_registers;
+extern struct regcache *stop_registers;
-/* Nonzero if the child process in inferior_pid was attached rather
+/* Nonzero if the child process in inferior_ptid was attached rather
than forked. */
extern int attach_flag;
\f
-/* Sigtramp is a routine that the kernel calls (which then calls the
- signal handler). On most machines it is a library routine that
- is linked into the executable.
-
- This macro, given a program counter value and the name of the
- function in which that PC resides (which can be null if the
- name is not known), returns nonzero if the PC and name show
- that we are in sigtramp.
-
- On most machines just see if the name is sigtramp (and if we have
- no name, assume we are not in sigtramp). */
-#if !defined (IN_SIGTRAMP)
-#if defined (SIGTRAMP_START)
-#define IN_SIGTRAMP(pc, name) \
- ((pc) >= SIGTRAMP_START(pc) \
- && (pc) < SIGTRAMP_END(pc) \
- )
-#else
-#define IN_SIGTRAMP(pc, name) \
- (name && STREQ ("_sigtramp", name))
-#endif
-#endif
-\f
/* Possible values for CALL_DUMMY_LOCATION. */
#define ON_STACK 1
#define BEFORE_TEXT_END 2
#endif /* No CALL_DUMMY_LOCATION. */
#if !defined (CALL_DUMMY_ADDRESS)
-#define CALL_DUMMY_ADDRESS() (internal_error ("CALL_DUMMY_ADDRESS"), 0)
+#define CALL_DUMMY_ADDRESS() (internal_error (__FILE__, __LINE__, "CALL_DUMMY_ADDRESS"), 0)
#endif
#if !defined (CALL_DUMMY_START_OFFSET)
-#define CALL_DUMMY_START_OFFSET (internal_error ("CALL_DUMMY_START_OFFSET"), 0)
+#define CALL_DUMMY_START_OFFSET (internal_error (__FILE__, __LINE__, "CALL_DUMMY_START_OFFSET"), 0)
#endif
#if !defined (CALL_DUMMY_BREAKPOINT_OFFSET)
#define CALL_DUMMY_BREAKPOINT_OFFSET_P (0)
-#define CALL_DUMMY_BREAKPOINT_OFFSET (internal_error ("CALL_DUMMY_BREAKPOINT_OFFSET"), 0)
+#define CALL_DUMMY_BREAKPOINT_OFFSET (internal_error (__FILE__, __LINE__, "CALL_DUMMY_BREAKPOINT_OFFSET"), 0)
#endif
#if !defined CALL_DUMMY_BREAKPOINT_OFFSET_P
#define CALL_DUMMY_BREAKPOINT_OFFSET_P (1)
#endif
#if !defined (CALL_DUMMY_LENGTH)
-#define CALL_DUMMY_LENGTH (internal_error ("CALL_DUMMY_LENGTH"), 0)
+#define CALL_DUMMY_LENGTH (internal_error (__FILE__, __LINE__, "CALL_DUMMY_LENGTH"), 0)
#endif
#if defined (CALL_DUMMY_STACK_ADJUST)
#endif
#endif
#if !defined (CALL_DUMMY_STACK_ADJUST)
-#define CALL_DUMMY_STACK_ADJUST (internal_error ("CALL_DUMMY_STACK_ADJUST"), 0)
+#define CALL_DUMMY_STACK_ADJUST (internal_error (__FILE__, __LINE__, "CALL_DUMMY_STACK_ADJUST"), 0)
#endif
#if !defined (CALL_DUMMY_STACK_ADJUST_P)
#define CALL_DUMMY_STACK_ADJUST_P (0)
#endif
#if !defined PUSH_DUMMY_FRAME
-#define PUSH_DUMMY_FRAME (internal_error ("PUSH_DUMMY_FRAME"), 0)
+#define PUSH_DUMMY_FRAME (internal_error (__FILE__, __LINE__, "PUSH_DUMMY_FRAME"), 0)
#endif
#if !defined FIX_CALL_DUMMY
-#define FIX_CALL_DUMMY(a1,a2,a3,a4,a5,a6,a7) (internal_error ("FIX_CALL_DUMMY"), 0)
+#define FIX_CALL_DUMMY(a1,a2,a3,a4,a5,a6,a7) (internal_error (__FILE__, __LINE__, "FIX_CALL_DUMMY"), 0)
#endif
#if !defined STORE_STRUCT_RETURN
-#define STORE_STRUCT_RETURN(a1,a2) (internal_error ("STORE_STRUCT_RETURN"), 0)
+#define STORE_STRUCT_RETURN(a1,a2) (internal_error (__FILE__, __LINE__, "STORE_STRUCT_RETURN"), 0)
#endif
projects / deliverable / binutils-gdb.git / blobdiff