diff options
Diffstat (limited to 'contrib/gdb/gdb/gdbthread.h')
| -rw-r--r-- | contrib/gdb/gdb/gdbthread.h | 242 |
1 files changed, 138 insertions, 104 deletions
diff --git a/contrib/gdb/gdb/gdbthread.h b/contrib/gdb/gdb/gdbthread.h index 653dd65..da89b36 100644 --- a/contrib/gdb/gdb/gdbthread.h +++ b/contrib/gdb/gdb/gdbthread.h @@ -1,24 +1,26 @@ /* Multi-process/thread control defs for GDB, the GNU debugger. - Copyright 1987, 88, 89, 90, 91, 92, 1993, 1998 - - Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA. + Copyright 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1997, 1998, 1999, + 2000 Free Software Foundation, Inc. + Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA. + -This file is part of GDB. + 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 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. + 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. */ + 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. */ #ifndef GDBTHREAD_H #define GDBTHREAD_H @@ -26,96 +28,128 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* For bpstat */ #include "breakpoint.h" -extern void init_thread_list PARAMS ((void)); - -extern void add_thread PARAMS ((int pid)); - -extern void delete_thread PARAMS ((int)); - -extern int thread_id_to_pid PARAMS ((int)); - -extern int in_thread_list PARAMS ((int pid)); - -extern int pid_to_thread_id PARAMS ((int pid)); - -extern int valid_thread_id PARAMS ((int thread)); - -extern void load_infrun_state PARAMS ((int, CORE_ADDR *, CORE_ADDR *, char **, - int *, struct breakpoint **, - struct breakpoint **, CORE_ADDR *, - CORE_ADDR *, CORE_ADDR *, int *, int *, - int *, bpstat *, int *)); - -extern void save_infrun_state PARAMS ((int, CORE_ADDR, CORE_ADDR, char *, - int, struct breakpoint *, - struct breakpoint *, CORE_ADDR, - CORE_ADDR, CORE_ADDR, int, int, - int, bpstat, int)); +struct thread_info +{ + struct thread_info *next; + ptid_t ptid; /* "Actual process id"; + In fact, this may be overloaded with + kernel thread id, etc. */ + int num; /* Convenient handle (GDB thread id) */ + /* State from wait_for_inferior */ + CORE_ADDR prev_pc; + CORE_ADDR prev_func_start; + char *prev_func_name; + struct breakpoint *step_resume_breakpoint; + struct breakpoint *through_sigtramp_breakpoint; + CORE_ADDR step_range_start; + CORE_ADDR step_range_end; + CORE_ADDR step_frame_address; + CORE_ADDR step_sp; + int current_line; + struct symtab *current_symtab; + int trap_expected; + int handling_longjmp; + int another_trap; + + /* This is set TRUE when a catchpoint of a shared library event + triggers. Since we don't wish to leave the inferior in the + solib hook when we report the event, we step the inferior + back to user code before stopping and reporting the event. */ + int stepping_through_solib_after_catch; + + /* When stepping_through_solib_after_catch is TRUE, this is a + list of the catchpoints that should be reported as triggering + when we finally do stop stepping. */ + bpstat stepping_through_solib_catchpoints; + + /* This is set to TRUE when this thread is in a signal handler + trampoline and we're single-stepping through it. */ + int stepping_through_sigtramp; + + /* Private data used by the target vector implementation. */ + struct private_thread_info *private; +}; + +/* Create an empty thread list, or empty the existing one. */ +extern void init_thread_list (void); + +/* Add a thread to the thread list. + Note that add_thread now returns the handle of the new thread, + so that the caller may initialize the private thread data. */ +extern struct thread_info *add_thread (ptid_t ptid); + +/* Delete an existing thread list entry. */ +extern void delete_thread (ptid_t); + +/* Delete a step_resume_breakpoint from the thread database. */ +extern void delete_step_resume_breakpoint (void *); + +/* Translate the integer thread id (GDB's homegrown id, not the system's) + into a "pid" (which may be overloaded with extra thread information). */ +extern ptid_t thread_id_to_pid (int); + +/* Translate a 'pid' (which may be overloaded with extra thread information) + into the integer thread id (GDB's homegrown id, not the system's). */ +extern int pid_to_thread_id (ptid_t ptid); + +/* Boolean test for an already-known pid (which may be overloaded with + extra thread information). */ +extern int in_thread_list (ptid_t ptid); + +/* Boolean test for an already-known thread id (GDB's homegrown id, + not the system's). */ +extern int valid_thread_id (int thread); + +/* Search function to lookup a thread by 'pid'. */ +extern struct thread_info *find_thread_pid (ptid_t ptid); + +/* Iterator function to call a user-provided callback function + once for each known thread. */ +typedef int (*thread_callback_func) (struct thread_info *, void *); +extern struct thread_info *iterate_over_threads (thread_callback_func, void *); + +/* infrun context switch: save the debugger state for the given thread. */ +extern void save_infrun_state (ptid_t ptid, + CORE_ADDR prev_pc, + CORE_ADDR prev_func_start, + char *prev_func_name, + int trap_expected, + struct breakpoint *step_resume_breakpoint, + struct breakpoint *through_sigtramp_breakpoint, + CORE_ADDR step_range_start, + CORE_ADDR step_range_end, + CORE_ADDR step_frame_address, + int handling_longjmp, + int another_trap, + int stepping_through_solib_after_catch, + bpstat stepping_through_solib_catchpoints, + int stepping_through_sigtramp, + int current_line, + struct symtab *current_symtab, + CORE_ADDR step_sp); + +/* infrun context switch: load the debugger state previously saved + for the given thread. */ +extern void load_infrun_state (ptid_t ptid, + CORE_ADDR *prev_pc, + CORE_ADDR *prev_func_start, + char **prev_func_name, + int *trap_expected, + struct breakpoint **step_resume_breakpoint, + struct breakpoint **through_sigtramp_breakpoint, + CORE_ADDR *step_range_start, + CORE_ADDR *step_range_end, + CORE_ADDR *step_frame_address, + int *handling_longjmp, + int *another_trap, + int *stepping_through_solib_affter_catch, + bpstat *stepping_through_solib_catchpoints, + int *stepping_through_sigtramp, + int *current_line, + struct symtab **current_symtab, + CORE_ADDR *step_sp); /* Commands with a prefix of `thread'. */ extern struct cmd_list_element *thread_cmd_list; -/* Support for external (remote) systems with threads (processes) */ -/* For example real time operating systems */ - -#define OPAQUETHREADBYTES 8 -/* a 64 bit opaque identifier */ -typedef unsigned char threadref[OPAQUETHREADBYTES] ; -/* WARNING: This threadref data structure comes from the remote O.S., libstub - protocol encoding, and remote.c. it is not particularly changable */ - -/* Right now, the internal structure is int. We want it to be bigger. - Plan to fix this. - */ -typedef int gdb_threadref ; /* internal GDB thread reference */ - -/* gdb_ext_thread_info is an internal GDB data structure which is - equivalint to the reply of the remote threadinfo packet */ - -struct gdb_ext_thread_info -{ - threadref threadid ; /* External form of thread reference */ - int active ; /* Has state interesting to GDB? , regs, stack */ - char display[256] ; /* Brief state display, name, blocked/syspended */ - char shortname[32] ; /* To be used to name threads */ - char more_display[256] ; /* Long info, statistics, queue depth, whatever */ -} ; - -/* The volume of remote transfers can be limited by submitting - a mask containing bits specifying the desired information. - Use a union of these values as the 'selection' parameter to - get_thread_info. FIXME: Make these TAG names more thread specific. - */ -#define TAG_THREADID 1 -#define TAG_EXISTS 2 -#define TAG_DISPLAY 4 -#define TAG_THREADNAME 8 -#define TAG_MOREDISPLAY 16 - -/* Always initialize an instance of this structure using run time assignments */ -/* Because we are likely to add entrtries to it. */ -/* Alternatly, WE COULD ADD THESE TO THE TARGET VECTOR */ - -struct target_thread_vector -{ - int (*find_new_threads)PARAMS((void)) ; - int (*get_thread_info) PARAMS(( - gdb_threadref * ref, - int selection, - struct gdb_ext_thread_info * info - )) ; - /* to_thread_alive - Already in the target vector */ - /* to_switch_thread - Done via select frame */ -} ; - -extern void bind_target_thread_vector PARAMS((struct target_thread_vector * vec)) ; - -extern struct target_thread_vector * unbind_target_thread_vector PARAMS ((void)) ; - -extern int target_get_thread_info PARAMS(( - gdb_threadref * ref, - int selection, - struct gdb_ext_thread_info * info)) ; - - -#endif /* GDBTHREAD_H */ +#endif /* GDBTHREAD_H */ |
