205 		uint8_t *instr, *limit;  in fbt_provide_module()  local
284 		instr = (uint8_t *)sym->st_value;  in fbt_provide_module()
288 		while (instr < limit) {  in fbt_provide_module()
289 			if (*instr == FBT_PUSHL_EBP)  in fbt_provide_module()
292 			if ((size = dtrace_instr_size(instr)) <= 0)  in fbt_provide_module()
295 			instr += size;  in fbt_provide_module()
298 		if (instr >= limit || *instr != FBT_PUSHL_EBP) {  in fbt_provide_module()
307 		if (instr[0] != FBT_PUSHL_EBP)  in fbt_provide_module()
310 		if (!(instr[1] == FBT_MOVL_ESP_EBP0_V0 &&  in fbt_provide_module()
311 		    instr[2] == FBT_MOVL_ESP_EBP1_V0) &&  in fbt_provide_module()
312 		    !(instr[1] == FBT_MOVL_ESP_EBP0_V1 &&  in fbt_provide_module()
313 		    instr[2] == FBT_MOVL_ESP_EBP1_V1))  in fbt_provide_module()
321 		fbt->fbtp_patchpoint = instr;  in fbt_provide_module()
325 		fbt->fbtp_savedval = *instr;  in fbt_provide_module()
328 		fbt->fbtp_hashnext = fbt_probetab[FBT_ADDR2NDX(instr)];  in fbt_provide_module()
330 		fbt_probetab[FBT_ADDR2NDX(instr)] = fbt;  in fbt_provide_module()
336 		if (instr >= limit)  in fbt_provide_module()
344 		if ((size = dtrace_instr_size(instr)) <= 0)  in fbt_provide_module()
353 		if (*instr != FBT_RET) {  in fbt_provide_module()
354 			instr += size;  in fbt_provide_module()
359 		    (*instr == FBT_POPL_EBP || *instr == FBT_LEAVE) &&  in fbt_provide_module()
360 		    (*(instr + 1) == FBT_RET ||  in fbt_provide_module()
361 		    *(instr + 1) == FBT_RET_IMM16))) {  in fbt_provide_module()
362 			instr += size;  in fbt_provide_module()
379 			uintptr_t check = (uintptr_t)instr - j;  in fbt_provide_module()
391 				instr += size;  in fbt_provide_module()
411 		fbt->fbtp_patchpoint = instr;  in fbt_provide_module()
416 		if (*instr == FBT_POPL_EBP) {  in fbt_provide_module()
419 			ASSERT(*instr == FBT_LEAVE);  in fbt_provide_module()
423 		    (uintptr_t)(instr - (uint8_t *)sym->st_value) + 1;  in fbt_provide_module()
426 		ASSERT(*instr == FBT_RET);  in fbt_provide_module()
429 		    (uintptr_t)(instr - (uint8_t *)sym->st_value);  in fbt_provide_module()
432 		fbt->fbtp_savedval = *instr;  in fbt_provide_module()
434 		fbt->fbtp_hashnext = fbt_probetab[FBT_ADDR2NDX(instr)];  in fbt_provide_module()
436 		fbt_probetab[FBT_ADDR2NDX(instr)] = fbt;  in fbt_provide_module()
440 		instr += size;  in fbt_provide_module()