#include "ovni.h" #include "ovni_trace.h" #include "emu.h" #include "uthash.h" #include struct nosv_task *tasks = NULL; struct hook_entry { char id[4]; void (*hook)(struct ovni_emu *); }; static void pre_task_create(struct ovni_emu *emu) { struct nosv_task *task, *p = NULL; task = malloc(sizeof(*task)); if(task == NULL) { perror("malloc"); abort(); } task->id = emu->cur_ev->payload.i32[0]; task->state = TASK_ST_CREATED; /* Ensure the task id is new */ HASH_FIND_INT(tasks, &task->id, p); if(p != NULL) { err("A task with id %d already exists\n", task->id); abort(); } /* Add the new task to the hash table */ HASH_ADD_INT(tasks, id, task); emu->cur_task = task; dbg("new task created id=%d\n", task->id); } static void pre_task_execute(struct ovni_emu *emu) { struct nosv_task *task; int taskid; taskid = emu->cur_ev->payload.i32[0]; HASH_FIND_INT(tasks, &taskid, task); assert(task != NULL); assert(emu->cur_thread->state == TH_ST_RUNNING); assert(emu->cur_thread->task == NULL); task->state = TASK_ST_RUNNING; task->thread = emu->cur_thread; emu->cur_thread->task = task; emu->cur_task = task; dbg("task id=%d runs now\n", task->id); } static void pre_task_pause(struct ovni_emu *emu) { struct nosv_task *task; int taskid; taskid = emu->cur_ev->payload.i32[0]; HASH_FIND_INT(tasks, &taskid, task); assert(task != NULL); assert(task->state == TASK_ST_RUNNING); assert(emu->cur_thread->state == TH_ST_RUNNING); assert(emu->cur_thread->task == task); assert(emu->cur_thread == task->thread); task->state = TASK_ST_PAUSED; emu->cur_task = task; dbg("task id=%d pauses\n", task->id); } static void pre_task_resume(struct ovni_emu *emu) { struct nosv_task *task; int taskid; taskid = emu->cur_ev->payload.i32[0]; HASH_FIND_INT(tasks, &taskid, task); assert(task != NULL); assert(task->state == TASK_ST_PAUSED); assert(emu->cur_thread->state == TH_ST_RUNNING); assert(emu->cur_thread->task == task); assert(emu->cur_thread == task->thread); task->state = TASK_ST_RUNNING; emu->cur_task = task; dbg("task id=%d resumes\n", task->id); } static void pre_task_end(struct ovni_emu *emu) { struct nosv_task *task; int taskid; taskid = emu->cur_ev->payload.i32[0]; /* Ensure the task id is new */ HASH_FIND_INT(tasks, &taskid, task); assert(task != NULL); assert(task->state == TASK_ST_RUNNING); assert(emu->cur_thread->state == TH_ST_RUNNING); assert(emu->cur_thread->task == task); assert(emu->cur_thread == task->thread); task->state = TASK_ST_DEAD; task->thread = NULL; emu->cur_thread->task = NULL; emu->cur_task = task; dbg("task id=%d ends\n", task->id); } static void pre_task(struct ovni_emu *emu) { emu_emit(emu); switch(emu->cur_ev->value) { case 'c': pre_task_create(emu); break; case 'x': pre_task_execute(emu); break; case 'e': pre_task_end(emu); break; case 'p': pre_task_pause(emu); break; case 'r': pre_task_resume(emu); break; default: emu->cur_task = NULL; break; } } void hook_pre_nosv(struct ovni_emu *emu) { dbg("pre nosv\n"); switch(emu->cur_ev->class) { case 'T': pre_task(emu); break; default: break; } } /* --------------------------- views ------------------------------- */ static void emit_prv(struct ovni_emu *emu, int type, int val) { printf("2:0:1:1:%d:%ld:%d:%d\n", emu->cur_thread->cpu->cpu_id + 2, emu->delta_time, type, val); } static void emit_task_create(struct ovni_emu *emu) { //emit_prv(emu, 200, emu->cur_task->id); } static void emit_task_execute(struct ovni_emu *emu) { emit_prv(emu, 200, emu->cur_task->id + 1); } static void emit_task_pause(struct ovni_emu *emu) { emit_prv(emu, 200, 0); } static void emit_task_resume(struct ovni_emu *emu) { emit_prv(emu, 200, emu->cur_task->id + 1); } static void emit_task_end(struct ovni_emu *emu) { emit_prv(emu, 200, 0); } static void emit_task(struct ovni_emu *emu) { switch(emu->cur_ev->value) { case 'c': emit_task_create(emu); break; case 'x': emit_task_execute(emu); break; case 'p': emit_task_pause(emu); break; case 'r': emit_task_resume(emu); break; case 'e': emit_task_end(emu); break; default: break; } } void hook_view_nosv(struct ovni_emu *emu) { dbg("pre nosv\n"); switch(emu->cur_ev->class) { case 'T': emit_task(emu); break; default: break; } } struct hook_entry pre_hooks[] = { { "VTc", pre_task_create }, { "VTx", pre_task_create }, };