diff options
Diffstat (limited to 'gdb/gdbserver/linux-low.h')
| -rw-r--r-- | gdb/gdbserver/linux-low.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gdb/gdbserver/linux-low.h b/gdb/gdbserver/linux-low.h index bbb0db6..2021914 100644 --- a/gdb/gdbserver/linux-low.h +++ b/gdb/gdbserver/linux-low.h @@ -120,6 +120,22 @@ struct linux_target_ops /* Returns true if the low target supports tracepoints. */ int (*supports_tracepoints) (void); + + /* Fill ADDRP with the thread area address of LWPID. Returns 0 on + success, -1 on failure. */ + int (*get_thread_area) (int lwpid, CORE_ADDR *addrp); + + /* Install a fast tracepoint jump pad. See target.h for + comments. */ + int (*install_fast_tracepoint_jump_pad) (CORE_ADDR tpoint, CORE_ADDR tpaddr, + CORE_ADDR collector, + CORE_ADDR lockaddr, + ULONGEST orig_size, + CORE_ADDR *jump_entry, + unsigned char *jjump_pad_insn, + ULONGEST *jjump_pad_insn_size, + CORE_ADDR *adjusted_insn_addr, + CORE_ADDR *adjusted_insn_addr_end); }; extern struct linux_target_ops the_low_target; @@ -201,6 +217,22 @@ struct lwp_info and then processed and cleared in linux_resume_one_lwp. */ struct thread_resume *resume; + /* True if it is known that this lwp is presently collecting a fast + tracepoint (it is in the jump pad or in some code that will + return to the jump pad. Normally, we won't care about this, but + we will if a signal arrives to this lwp while it is + collecting. */ + int collecting_fast_tracepoint; + + /* If this is non-zero, it points to a chain of signals which need + to be reported to GDB. These were deferred because the thread + was doing a fast tracepoint collect when they arrived. */ + struct pending_signals *pending_signals_to_report; + + /* When collecting_fast_tracepoint is first found to be 1, we insert + a exit-jump-pad-quickly breakpoint. This is it. */ + struct breakpoint *exit_jump_pad_bkpt; + /* True if the LWP was seen stop at an internal breakpoint and needs stepping over later when it is resumed. */ int need_step_over; @@ -223,6 +255,7 @@ int elf_64_file_p (const char *file); void linux_attach_lwp (unsigned long pid); struct lwp_info *find_lwp_pid (ptid_t ptid); +int linux_get_thread_area (int lwpid, CORE_ADDR *area); /* From thread-db.c */ int thread_db_init (int use_events); |