134 	struct intel_pt_stack stack;  member
281 static void intel_pt_pop_blk(struct intel_pt_stack *stack)  in intel_pt_pop_blk()  argument
283 	struct intel_pt_blk *blk = stack->blk;  in intel_pt_pop_blk()
285 	stack->blk = blk->prev;  in intel_pt_pop_blk()
286 	if (!stack->spare)  in intel_pt_pop_blk()
287 		stack->spare = blk;  in intel_pt_pop_blk()
292 static uint64_t intel_pt_pop(struct intel_pt_stack *stack)  in intel_pt_pop()  argument
294 	if (!stack->pos) {  in intel_pt_pop()
295 		if (!stack->blk)  in intel_pt_pop()
297 		intel_pt_pop_blk(stack);  in intel_pt_pop()
298 		if (!stack->blk)  in intel_pt_pop()
300 		stack->pos = INTEL_PT_BLK_SIZE;  in intel_pt_pop()
302 	return stack->blk->ip[--stack->pos];  in intel_pt_pop()
305 static int intel_pt_alloc_blk(struct intel_pt_stack *stack)  in intel_pt_alloc_blk()  argument
309 	if (stack->spare) {  in intel_pt_alloc_blk()
310 		blk = stack->spare;  in intel_pt_alloc_blk()
311 		stack->spare = NULL;  in intel_pt_alloc_blk()
318 	blk->prev = stack->blk;  in intel_pt_alloc_blk()
319 	stack->blk = blk;  in intel_pt_alloc_blk()
320 	stack->pos = 0;  in intel_pt_alloc_blk()
324 static int intel_pt_push(struct intel_pt_stack *stack, uint64_t ip)  in intel_pt_push()  argument
328 	if (!stack->blk || stack->pos == INTEL_PT_BLK_SIZE) {  in intel_pt_push()
329 		err = intel_pt_alloc_blk(stack);  in intel_pt_push()
334 	stack->blk->ip[stack->pos++] = ip;  in intel_pt_push()
338 static void intel_pt_clear_stack(struct intel_pt_stack *stack)  in intel_pt_clear_stack()  argument
340 	while (stack->blk)  in intel_pt_clear_stack()
341 		intel_pt_pop_blk(stack);  in intel_pt_clear_stack()
342 	stack->pos = 0;  in intel_pt_clear_stack()
345 static void intel_pt_free_stack(struct intel_pt_stack *stack)  in intel_pt_free_stack()  argument
347 	intel_pt_clear_stack(stack);  in intel_pt_free_stack()
348 	zfree(&stack->blk);  in intel_pt_free_stack()
349 	zfree(&stack->spare);  in intel_pt_free_stack()
354 	intel_pt_free_stack(&decoder->stack);  in intel_pt_decoder_free()
1026 			err = intel_pt_push(&decoder->stack, decoder->ip +  in intel_pt_walk_insn()
1032 		decoder->ret_addr = intel_pt_pop(&decoder->stack);  in intel_pt_walk_insn()
1978 			intel_pt_clear_stack(&decoder->stack);  in intel_pt_walk_trace()
2380 			intel_pt_clear_stack(&decoder->stack);  in intel_pt_walk_to_ip()
2542 	intel_pt_clear_stack(&decoder->stack);  in intel_pt_sync()