X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Finfrun.h;h=5820296cd140bf075d6584039f54d68a591a7c92;hb=10b2ded43caa3298cded1df8b620caaaee3f9209;hp=7978d2c82008970ae2afc86a55f67293b1f3e9a8;hpb=221e1a37cd14f7c98b4ea1ab24bd721a8b144711;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/infrun.h b/gdb/infrun.h index 7978d2c820..5820296cd1 100644 --- a/gdb/infrun.h +++ b/gdb/infrun.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1986-2015 Free Software Foundation, Inc. +/* Copyright (C) 1986-2018 Free Software Foundation, Inc. This file is part of GDB. @@ -19,10 +19,12 @@ #define INFRUN_H 1 #include "symtab.h" +#include "common/byte-vector.h" struct target_waitstatus; struct frame_info; struct address_space; +struct return_value_info; /* True if we are debugging run control. */ extern unsigned int debug_infrun; @@ -34,11 +36,6 @@ extern int debug_displaced; of shared library events by the dynamic linker. */ extern int stop_on_solib_events; -/* 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; - /* True if execution commands resume all threads of all processes by default; otherwise, resume only threads of the current inferior process. */ @@ -61,6 +58,11 @@ extern int non_stop; starting an inferior. */ extern int disable_randomization; +/* Returns a unique identifier for the current stop. This can be used + to tell whether a command has proceeded the inferior past the + current location. */ +extern ULONGEST get_stop_id (void); + /* Reverse execution. */ enum exec_direction_kind { @@ -68,10 +70,8 @@ enum exec_direction_kind EXEC_REVERSE }; -/* The current execution direction. This should only be set to enum - exec_direction_kind values. It is only an int to make it - compatible with make_cleanup_restore_integer. */ -extern int execution_direction; +/* The current execution direction. */ +extern enum exec_direction_kind execution_direction; extern void start_remote (int from_tty); @@ -99,11 +99,21 @@ extern ptid_t user_visible_resume_ptid (int step); extern void wait_for_inferior (void); -extern void normal_stop (void); +/* Return control to GDB when the inferior stops for real. Print + appropriate messages, remove breakpoints, give terminal our modes, + and run the stop hook. Returns true if the stop hook proceeded the + target, false otherwise. */ +extern int normal_stop (void); extern void get_last_target_status (ptid_t *ptid, struct target_waitstatus *status); +extern void set_last_target_status (ptid_t ptid, + struct target_waitstatus status); + +/* Stop all threads. Only returns after everything is halted. */ +extern void stop_all_threads (void); + extern void prepare_for_detach (void); extern void fetch_inferior_event (void *); @@ -119,6 +129,10 @@ extern void insert_step_resume_breakpoint_at_sal (struct gdbarch *, extern int stepping_past_instruction_at (struct address_space *aspace, CORE_ADDR address); +/* Returns true if thread whose thread number is THREAD is stepping + over a breakpoint. */ +extern int thread_is_stepping_over_breakpoint (int thread); + /* Returns true if we're trying to step past an instruction that triggers a non-steppable watchpoint. */ extern int stepping_past_nonsteppable_watchpoint (void); @@ -148,7 +162,18 @@ extern void print_exited_reason (struct ui_out *uiout, int exitstatus); inferior has stopped. */ extern void print_no_history_reason (struct ui_out *uiout); -extern void print_stop_event (struct target_waitstatus *ws); +/* Print the result of a function at the end of a 'finish' command. + RV points at an object representing the captured return value/type + and its position in the value history. */ + +extern void print_return_value (struct ui_out *uiout, + struct return_value_info *rv); + +/* Print current location without a level number, if we have changed + functions or hit a breakpoint. Print source line if we have one. + If the execution command captured a return value, print it. */ + +extern void print_stop_event (struct ui_out *uiout); /* Pretty print the results of target_wait, for debugging purposes. */ @@ -197,8 +222,44 @@ enum gdb_signal gdb_signal_from_command (int num); /* Enables/disables infrun's async event source in the event loop. */ extern void infrun_async (int enable); +/* Call infrun's event handler the next time through the event + loop. */ +extern void mark_infrun_async_event_handler (void); + /* The global queue of threads that need to do a step-over operation to get past e.g., a breakpoint. */ extern struct thread_info *step_over_queue_head; +/* Remove breakpoints if possible (usually that means, if everything + is stopped). On failure, print a message. */ +extern void maybe_remove_breakpoints (void); + +/* If a UI was in sync execution mode, and now isn't, restore its + prompt (a synchronous execution command has finished, and we're + ready for input). */ +extern void all_uis_check_sync_execution_done (void); + +/* If a UI was in sync execution mode, and hasn't displayed the prompt + yet, re-disable its prompt (a synchronous execution command was + started or re-started). */ +extern void all_uis_on_sync_execution_starting (void); + +/* Base class for displaced stepping closures (the arch-specific data). */ + +struct displaced_step_closure +{ + virtual ~displaced_step_closure () = 0; +}; + +/* A simple displaced step closure that contains only a byte buffer. */ + +struct buf_displaced_step_closure : displaced_step_closure +{ + buf_displaced_step_closure (int buf_size) + : buf (buf_size) + {} + + gdb::byte_vector buf; +}; + #endif /* INFRUN_H */