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Diffstat (limited to 'gdb/inferior.h')
-rw-r--r-- | gdb/inferior.h | 555 |
1 files changed, 0 insertions, 555 deletions
diff --git a/gdb/inferior.h b/gdb/inferior.h deleted file mode 100644 index 8035ccd..0000000 --- a/gdb/inferior.h +++ /dev/null @@ -1,555 +0,0 @@ -/* 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 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 - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - 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. */ - -#if !defined (INFERIOR_H) -#define INFERIOR_H 1 - -struct gdbarch; -struct regcache; - -/* For bpstat. */ -#include "breakpoint.h" - -/* For enum target_signal. */ -#include "target.h" - -/* Structure in which to save the status of the inferior. Create/Save - through "save_inferior_status", restore through - "restore_inferior_status". - - This pair of routines should be called around any transfer of - control to the inferior which you don't want showing up in your - control variables. */ - -struct inferior_status; - -extern struct inferior_status *save_inferior_status (int); - -extern void restore_inferior_status (struct inferior_status *); - -extern struct cleanup *make_cleanup_restore_inferior_status (struct inferior_status *); - -extern void discard_inferior_status (struct inferior_status *); - -extern void write_inferior_status_register (struct inferior_status - *inf_status, int regno, - LONGEST val); - -/* 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); - -/* 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 void clear_sigint_trap (void); - -extern void set_sigio_trap (void); - -extern void clear_sigio_trap (void); - -/* File name for default use for standard in/out in the inferior. */ - -extern char *inferior_io_terminal; - -/* 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 - 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" - exec events which should be ignored. - */ -extern int inferior_ignoring_leading_exec_events; - -/* Inferior environment. */ - -extern struct environ *inferior_environ; - -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_save_ours (void); - -extern void terminal_ours (void); - -extern int run_stack_dummy (CORE_ADDR , struct regcache *); - -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 write_sp (CORE_ADDR); - -extern void generic_target_write_sp (CORE_ADDR); - -extern CORE_ADDR read_fp (void); - -extern CORE_ADDR generic_target_read_fp (void); - -extern CORE_ADDR unsigned_pointer_to_address (struct type *type, void *buf); - -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); - -extern void fetch_inferior_event (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); - -/* 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 solib_create_inferior_hook (void); - -extern void child_terminal_info (char *, int); - -extern void term_info (char *, int); - -extern void terminal_ours_for_output (void); - -extern void terminal_inferior (void); - -extern void terminal_init_inferior (void); - -extern void terminal_init_inferior_with_pgrp (int pgrp); - -/* From infptrace.c or infttrace.c */ - -extern int attach (int); - -#if !defined(REQUIRE_ATTACH) -#define REQUIRE_ATTACH attach -#endif - -#if !defined(REQUIRE_DETACH) -#define REQUIRE_DETACH(pid,siggnal) detach (siggnal) -#endif - -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)); - -extern ptid_t procfs_first_available (void); - -/* From fork-child.c */ - -extern void fork_inferior (char *, char *, char **, - void (*)(void), - void (*)(int), void (*)(void), char *); - - -extern void clone_and_follow_inferior (int, int *); - -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 gdb_has_a_terminal (void); - -/* From infrun.c */ - -extern void start_remote (void); - -extern void normal_stop (void); - -extern int signal_stop_state (int); - -extern int signal_print_state (int); - -extern int signal_pass_state (int); - -extern int signal_stop_update (int, int); - -extern int signal_print_update (int, int); - -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; - -/* Address at which inferior stopped. */ - -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 breakpoint_proceeded; - -/* Nonzero if stopped due to a step command. */ - -extern int stop_step; - -/* Nonzero if stopped due to completion of a stack dummy routine. */ - -extern int stop_stack_dummy; - -/* Nonzero if program stopped due to a random (unexpected) signal in - inferior process. */ - -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 CORE_ADDR step_frame_address; - -/* 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. */ - -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 - if it stops due to stepping. */ - -extern int step_multi; - -/* Nonzero means expecting a trap and caller will handle it themselves. - It is used after attach, due to attaching to a process; - when running in the shell before the child program has been exec'd; - and when running some kinds of remote stuff (FIXME?). */ - -extern int stop_soon_quietly; - -/* Nonzero if proceed is being used for a "finish" command or a similar - situation when stop_registers should be saved. */ - -extern int proceed_to_finish; - -/* Save register contents here when about to pop a stack dummy frame, - if-and-only-if proceed_to_finish is set. - Thus this contains the return value from the called function (assuming - values are returned in a register). */ - -extern struct regcache *stop_registers; - -/* Nonzero if the child process in inferior_ptid was attached rather - than forked. */ - -extern int attach_flag; - -/* Possible values for CALL_DUMMY_LOCATION. */ -#define ON_STACK 1 -#define BEFORE_TEXT_END 2 -#define AFTER_TEXT_END 3 -#define AT_ENTRY_POINT 4 - -#if !defined (USE_GENERIC_DUMMY_FRAMES) -#define USE_GENERIC_DUMMY_FRAMES 0 -#endif - -#if !defined (CALL_DUMMY_LOCATION) -#define CALL_DUMMY_LOCATION ON_STACK -#endif /* No CALL_DUMMY_LOCATION. */ - -#if !defined (CALL_DUMMY_ADDRESS) -#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 (__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 (__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 (__FILE__, __LINE__, "CALL_DUMMY_LENGTH"), 0) -#endif - -#if defined (CALL_DUMMY_STACK_ADJUST) -#if !defined (CALL_DUMMY_STACK_ADJUST_P) -#define CALL_DUMMY_STACK_ADJUST_P (1) -#endif -#endif -#if !defined (CALL_DUMMY_STACK_ADJUST) -#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 - -/* FIXME: cagney/2000-04-17: gdbarch should manage this. The default - shouldn't be necessary. */ - -#if !defined (CALL_DUMMY_P) -#if defined (CALL_DUMMY) -#define CALL_DUMMY_P 1 -#else -#define CALL_DUMMY_P 0 -#endif -#endif - -#if !defined PUSH_DUMMY_FRAME -#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 (__FILE__, __LINE__, "FIX_CALL_DUMMY"), 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? */ - -extern int pc_in_call_dummy_before_text_end (CORE_ADDR pc, CORE_ADDR sp, - CORE_ADDR frame_address); -#if !GDB_MULTI_ARCH -#if !defined (PC_IN_CALL_DUMMY) && CALL_DUMMY_LOCATION == BEFORE_TEXT_END -#define PC_IN_CALL_DUMMY(pc, sp, frame_address) pc_in_call_dummy_before_text_end (pc, sp, frame_address) -#endif /* Before text_end. */ -#endif - -extern int pc_in_call_dummy_after_text_end (CORE_ADDR pc, CORE_ADDR sp, - CORE_ADDR frame_address); -#if !GDB_MULTI_ARCH -#if !defined (PC_IN_CALL_DUMMY) && CALL_DUMMY_LOCATION == AFTER_TEXT_END -#define PC_IN_CALL_DUMMY(pc, sp, frame_address) pc_in_call_dummy_after_text_end (pc, sp, frame_address) -#endif -#endif - -extern int pc_in_call_dummy_on_stack (CORE_ADDR pc, CORE_ADDR sp, - CORE_ADDR frame_address); -#if !GDB_MULTI_ARCH -#if !defined (PC_IN_CALL_DUMMY) && CALL_DUMMY_LOCATION == ON_STACK -#define PC_IN_CALL_DUMMY(pc, sp, frame_address) pc_in_call_dummy_on_stack (pc, sp, frame_address) -#endif -#endif - -extern int pc_in_call_dummy_at_entry_point (CORE_ADDR pc, CORE_ADDR sp, - CORE_ADDR frame_address); -#if !GDB_MULTI_ARCH -#if !defined (PC_IN_CALL_DUMMY) && CALL_DUMMY_LOCATION == AT_ENTRY_POINT -#define PC_IN_CALL_DUMMY(pc, sp, frame_address) pc_in_call_dummy_at_entry_point (pc, sp, frame_address) -#endif -#endif - -/* 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 CALL_DUMMY_BREAKPOINT_OFFSET mechanism. - - If a target does define 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) \ - PC_IN_CALL_DUMMY((pc), (sp), (frame_address)) -#endif - -/* 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 -#if !defined(START_INFERIOR_TRAPS_EXPECTED) -#define START_INFERIOR_TRAPS_EXPECTED 2 -#endif -#endif /* !defined (INFERIOR_H) */ |