diff options
Diffstat (limited to 'gdb/gdbthread.h')
| -rw-r--r-- | gdb/gdbthread.h | 135 |
1 files changed, 109 insertions, 26 deletions
diff --git a/gdb/gdbthread.h b/gdb/gdbthread.h index 9010d39..b6dbb0b 100644 --- a/gdb/gdbthread.h +++ b/gdb/gdbthread.h @@ -1,5 +1,5 @@ /* Multi-process/thread control defs for GDB, the GNU debugger. - Copyright 1987, 88, 89, 90, 91, 92, 1993, 1998 + Copyright 1987, 88, 89, 90, 91, 92, 1993, 1998, 1999, 2000 Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA. Free Software Foundation, Inc. @@ -27,31 +27,114 @@ /* 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; + int pid; /* "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; + 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 (int pid); + +/* Delete an existing thread list entry. */ +extern void delete_thread (int); + +/* 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 int 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 (int pid); + +/* Boolean test for an already-known pid (which may be overloaded with + extra thread information). */ +extern int in_thread_list (int pid); + +/* 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 (int pid); + +/* 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 (int pid, + 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); + +/* infrun context switch: load the debugger state previously saved + for the given thread. */ +extern void load_infrun_state (int pid, + 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); /* Commands with a prefix of `thread'. */ extern struct cmd_list_element *thread_cmd_list; |