| /branches/tracing/kernel/generic/include/udebug/udebug.h |
|---|
| 157,6 → 157,7 |
| UDEBUG_EVENT_SYSCALL_E, /**< After finishing syscall execution */ |
| UDEBUG_EVENT_THREAD_B, /**< The task created a new thread */ |
| UDEBUG_EVENT_THREAD_E, /**< A thread exited */ |
| UDEBUG_EVENT_BREAKPOINT /**< Breakpoint instruction executed */ |
| } udebug_event_t; |
| #define UDEBUG_EVMASK(event) (1 << ((event) - 1)) |
| 168,6 → 169,7 |
| UDEBUG_EM_SYSCALL_E = UDEBUG_EVMASK(UDEBUG_EVENT_SYSCALL_E), |
| UDEBUG_EM_THREAD_B = UDEBUG_EVMASK(UDEBUG_EVENT_THREAD_B), |
| UDEBUG_EM_THREAD_E = UDEBUG_EVMASK(UDEBUG_EVENT_THREAD_E), |
| UDEBUG_EM_BREAKPOINT = UDEBUG_EVMASK(UDEBUG_EVENT_BREAKPOINT), |
| UDEBUG_EM_ALL = |
| UDEBUG_EVMASK(UDEBUG_EVENT_FINISHED) | |
| UDEBUG_EVMASK(UDEBUG_EVENT_STOP) | |
| 174,7 → 176,8 |
| UDEBUG_EVMASK(UDEBUG_EVENT_SYSCALL_B) | |
| UDEBUG_EVMASK(UDEBUG_EVENT_SYSCALL_E) | |
| UDEBUG_EVMASK(UDEBUG_EVENT_THREAD_B) | |
| UDEBUG_EVMASK(UDEBUG_EVENT_THREAD_E) |
| UDEBUG_EVMASK(UDEBUG_EVENT_THREAD_E) | |
| UDEBUG_EVMASK(UDEBUG_EVENT_BREAKPOINT) |
| } udebug_evmask_t; |
| #ifdef KERNEL |
| 203,6 → 206,8 |
| void udebug_stoppable_begin(void); |
| void udebug_stoppable_end(void); |
| void udebug_breakpoint_event(uintptr_t addr); |
| int udebug_task_cleanup(struct task *ta); |
| #endif |
| /branches/tracing/kernel/generic/src/udebug/udebug.c |
|---|
| 329,7 → 329,52 |
| /* This event does not sleep - debugging has finished in this thread */ |
| } |
| void udebug_breakpoint_event(uintptr_t addr) |
| { |
| call_t *call; |
| ipl_t ipl; |
| udebug_event_t etype; |
| etype = UDEBUG_EVENT_BREAKPOINT; |
| ipl = interrupts_disable(); |
| spinlock_lock(&THREAD->debug_lock); |
| /* Must only generate events when in debugging session and have go */ |
| if (THREAD->debug_active != true || |
| THREAD->debug_stop == true || |
| (TASK->debug_evmask & UDEBUG_EVMASK(etype)) == 0) { |
| spinlock_unlock(&THREAD->debug_lock); |
| interrupts_restore(ipl); |
| return; |
| } |
| klog_printf("udebug_breakpoint_event"); |
| call = THREAD->debug_go_call; |
| IPC_SET_RETVAL(call->data, 0); |
| IPC_SET_ARG1(call->data, etype); |
| IPC_SET_ARG2(call->data, addr); |
| /* |
| * Make sure debug_stop is true when going to sleep |
| * in case we get woken up by DEBUG_END. (At which |
| * point it must be back to the initial true value). |
| */ |
| THREAD->debug_stop = true; |
| THREAD->cur_event = etype; |
| spinlock_unlock(&THREAD->debug_lock); |
| klog_printf("- send answer"); |
| spinlock_lock(&TASK->lock); |
| ipc_answer(&TASK->answerbox, THREAD->debug_go_call); |
| spinlock_unlock(&TASK->lock); |
| interrupts_restore(ipl); |
| udebug_wait_for_go(&THREAD->go_wq); |
| } |
| /** |
| * Terminate task debugging session. |
| * |