LCOV - code coverage report
Current view: top level - avtg/fs/jbd/jbd.ko/linux:drivers:clk2/weaver - journal.c.aux (source / functions) Hit Total Coverage
Test: coverage.info Lines: 63 69 91.3 %
Date: 2017-01-25 Functions: 13 15 86.7 %

          Line data    Source code
       1             : 
       2             : struct device;
       3             : 
       4             : void *ldv_dev_get_drvdata(const struct device *dev);
       5             : int ldv_dev_set_drvdata(struct device *dev, void *data);
       6             : 
       7             : struct spi_master;
       8             : struct device;
       9             : struct spi_master *ldv_spi_alloc_master(struct device *host, unsigned size);
      10             : 
      11             : #include <linux/ldv/err.h>
      12             : 
      13             : #include <linux/types.h>
      14             : void *ldv_kzalloc(size_t size, gfp_t flags);
      15             : 
      16             : struct clk;
      17             : 
      18             : extern void ldv_clk_disable(struct clk *clk);
      19             : extern int ldv_clk_enable(void);
      20             : 
      21             : #include <linux/ldv/common.h>
      22             : #include <linux/ldv/irq.h>
      23             : #include <verifier/common.h>
      24             : #include <verifier/nondet.h>
      25             : #include <verifier/memory.h>
      26             : #include <verifier/thread.h>
      27             : 
      28             : #include <linux/timer.h>
      29             : 
      30             : 
      31             : struct ldv_struct_insmod_3 {
      32             :  int signal_pending;
      33             : };
      34             : 
      35             : struct ldv_struct_timer_scenario_1 {
      36             :  struct timer_list *arg0;
      37             :  int signal_pending;
      38             : };
      39             : 
      40             : /* EMG Function declarations */
      41             : void ldv_dispatch_default_deregister_3_3_4(void);
      42             : void ldv_dispatch_default_register_3_3_5(void);
      43             : void ldv_dispatch_insmod_deregister_5_2(void);
      44             : void ldv_dispatch_insmod_register_5_3(void);
      45             : extern void ldv_dispatch_instance_deregister_4_1(struct timer_list *);
      46             : void ldv_dispatch_instance_register_2_4(struct timer_list *);
      47             : extern int ldv_emg_del_timer_sync(struct timer_list *);
      48             : void ldv_factory_scenario_2(void *);
      49             : void ldv_insmod_3(void *);
      50             : void ldv_insmod_journal_exit_3_2(void (*)(void));
      51             : int ldv_insmod_journal_init_3_9(int (*)(void));
      52             : void ldv_main_5(void *);
      53             : void ldv_timer_scenario_1(void *);
      54             : void ldv_timer_scenario_callback_1_2(void (*)(unsigned long), unsigned long);
      55             : int main(void);
      56             : 
      57             : /* EMG variable declarations */
      58           1 : struct ldv_thread ldv_thread_1;
      59           1 : struct ldv_thread ldv_thread_2;
      60           1 : struct ldv_thread ldv_thread_3;
      61           1 : struct ldv_thread ldv_thread_5;
      62             : 
      63             : /* EMG variable initialization */
      64             : 
      65             : /* EMG function definitions */
      66             : /* AUX_FUNC ldv_dispatch_default_deregister_3_3_4 */
      67             : void ldv_dispatch_default_deregister_3_3_4() {
      68             :  struct ldv_struct_insmod_3 *cf_arg_2;
      69             :  /* Skip thread join call */
      70           1 :  return;
      71             : }
      72             : 
      73             : /* AUX_FUNC ldv_dispatch_default_register_3_3_5 */
      74             : void ldv_dispatch_default_register_3_3_5() {
      75             :  struct ldv_struct_insmod_3 *cf_arg_2;
      76           4 :  cf_arg_2 = ldv_xmalloc(sizeof(struct ldv_struct_insmod_3));
      77           3 :  ldv_factory_scenario_2(cf_arg_2);
      78           1 :  return;
      79             : }
      80             : 
      81             : /* AUX_FUNC ldv_dispatch_insmod_deregister_5_2 */
      82             : void ldv_dispatch_insmod_deregister_5_2() {
      83             :  struct ldv_struct_insmod_3 *cf_arg_3;
      84             :  /* Skip thread join call */
      85           1 :  return;
      86             : }
      87             : 
      88             : /* AUX_FUNC ldv_dispatch_insmod_register_5_3 */
      89             : void ldv_dispatch_insmod_register_5_3() {
      90             :  struct ldv_struct_insmod_3 *cf_arg_3;
      91           4 :  cf_arg_3 = ldv_xmalloc(sizeof(struct ldv_struct_insmod_3));
      92           4 :  ldv_insmod_3(cf_arg_3);
      93           1 :  return;
      94             : }
      95             : 
      96             : /* AUX_FUNC ldv_dispatch_instance_register_2_4 */
      97             : void ldv_dispatch_instance_register_2_4(struct timer_list *arg0) {
      98             :  struct ldv_struct_timer_scenario_1 *cf_arg_1;
      99           4 :  cf_arg_1 = ldv_xmalloc(sizeof(struct ldv_struct_timer_scenario_1));
     100           2 :  cf_arg_1->arg0 = arg0;
     101           4 :  ldv_timer_scenario_1(cf_arg_1);
     102           1 :  return;
     103             : }
     104             : 
     105             : /* AUX_FUNC ldv_factory_scenario_2 */
     106             : void ldv_factory_scenario_2(void *arg0) {
     107             :  /* LDV {"thread": 2, "type": "CONTROL_FUNCTION_BEGIN", "comment": "Control function 'factory_scenario(timer)'", "function": "ldv_factory_scenario_2"} */
     108           1 :  /* LDV {"type": "CONTROL_FUNCTION_INIT_BEGIN", "comment": "Declare auxiliary variables."} */
     109           1 :  struct timer_list *ldv_2_container_timer_list;
     110             :  /* LDV {"type": "CONTROL_FUNCTION_INIT_END", "comment": "Declare auxiliary variables."} */
     111             :  /* LDV {"action": "DEFAULT_REGISTER_3", "type": "RECEIVE_BEGIN", "comment": "Proceed to TIMER callbacks invocations scenarios."} */
     112           2 :  ldv_free(arg0);
     113             :  /* LDV {"action": "DEFAULT_REGISTER_3", "type": "RECEIVE_END"} */
     114             : 
     115             :  /* LDV {"action": "DEFAULT_ALLOC_3", "type": "CONDITION_BEGIN", "comment": "Allocate memory after default registration."} */
     116           3 :  ldv_2_container_timer_list = ldv_xmalloc_unknown_size(0);
     117             :  /* LDV {"action": "DEFAULT_ALLOC_3", "type": "CONDITION_END"} */
     118             : 
     119             :  /* LDV {"action": "INSTANCE_REGISTER", "type": "DISPATCH_BEGIN", "comment": "Initiate scenario for TIMER callbacks invocations"} */
     120           2 :  ldv_dispatch_instance_register_2_4(ldv_2_container_timer_list);
     121             :  /* LDV {"action": "INSTANCE_REGISTER", "type": "DISPATCH_END"} */
     122             : 
     123             :  /* LDV {"action": "INSTANCE_DEREGISTER", "type": "DISPATCH_BEGIN", "comment": "Skip the action, since no callbacks has been found."} */
     124             :  /* Dispatch 'instance_deregister' is not expected by any process, skipping the action */
     125             :  /* Skip the dispatch because there is no process to receive the signal */
     126             :  /* LDV {"action": "INSTANCE_DEREGISTER", "type": "DISPATCH_END"} */
     127             : 
     128             :  /* LDV {"action": "DEFAULT_FREE_3", "type": "CONDITION_BEGIN", "comment": "Free memory before default deregistration."} */
     129           2 :  ldv_free(ldv_2_container_timer_list);
     130             :  /* LDV {"action": "DEFAULT_FREE_3", "type": "CONDITION_END"} */
     131             : 
     132             :  /* LDV {"action": "DEFAULT_DEREGISTER_3", "type": "RECEIVE_BEGIN", "comment": "Finish TIMER callbacks invocations scenarios."} */
     133             :  /* Skip a non-replicative signal receiving */
     134             :  /* LDV {"action": "DEFAULT_DEREGISTER_3", "type": "RECEIVE_END"} */
     135             : 
     136             :  /* Exit function at a terminal state */
     137           1 :  return;
     138             :  /* End of the process */
     139             :  return;
     140             :  /* LDV {"comment": "End of control function based on process 'factory_scenario(timer)'", "type": "CONTROL_FUNCTION_END", "function": "ldv_factory_scenario_2"} */
     141             : }
     142             : 
     143             : /* AUX_FUNC ldv_insmod_3 */
     144             : void ldv_insmod_3(void *arg0) {
     145             :  /* LDV {"thread": 3, "type": "CONTROL_FUNCTION_BEGIN", "comment": "Control function 'insmod(artificial)'", "function": "ldv_insmod_3"} */
     146           1 :  /* LDV {"type": "CONTROL_FUNCTION_INIT_BEGIN", "comment": "Declare auxiliary variables."} */
     147           1 :  void (*ldv_3_journal_exit_default)(void);
     148           1 :  int (*ldv_3_journal_init_default)(void);
     149           1 :  int ldv_3_ret_default;
     150           1 :  /* LDV {"type": "CONTROL_FUNCTION_INIT_END", "comment": "Declare auxiliary variables."} */
     151             :  /* LDV {"action": "INSMOD_REGISTER", "type": "RECEIVE_BEGIN", "comment": "Trigger module initialization."} */
     152           2 :  ldv_free(arg0);
     153             :  /* LDV {"action": "INSMOD_REGISTER", "type": "RECEIVE_END"} */
     154             : 
     155             :  /* LDV {"action": "JOURNAL_INIT", "type": "CALL_BEGIN", "callback": true, "comment": "Initialize the module after insmod with 'journal_init' function. Invoke callback journal_init from ARTIFICIAL."} */
     156             :  /* LDV {"type": "CALLBACK", "call": "ldv_3_ret_default = (journal_init)();", "comment": "journal_init"} */
     157           2 :  ldv_3_ret_default = ldv_insmod_journal_init_3_9(ldv_3_journal_init_default);
     158             :  /* Callback post-call */
     159           2 :  ldv_3_ret_default = ldv_post_init(ldv_3_ret_default);
     160             :  /* LDV {"action": "JOURNAL_INIT", "type": "CALL_END"} */
     161             : 
     162           4 :  if (ldv_undef_int()) {
     163             :   /* LDV {"action": "INIT_FAILED", "type": "CONDITION_BEGIN", "comment": "Failed to initialize the module."} */
     164           2 :   ldv_assume(ldv_3_ret_default != 0);
     165             :   /* LDV {"action": "INIT_FAILED", "type": "CONDITION_END"} */
     166             : 
     167             :   /* LDV {"action": "INSMOD_DEREGISTER", "type": "RECEIVE_BEGIN", "comment": "Trigger module exit."} */
     168             :   /* Skip a non-replicative signal receiving */
     169             :   /* LDV {"action": "INSMOD_DEREGISTER", "type": "RECEIVE_END"} */
     170             : 
     171             :   /* Exit function at a terminal state */
     172           1 :   return;
     173             :  }
     174             :  else {
     175             :   /* LDV {"action": "INIT_SUCCESS", "type": "CONDITION_BEGIN", "comment": "Module has been initialized."} */
     176           2 :   ldv_assume(ldv_3_ret_default == 0);
     177             :   /* LDV {"action": "INIT_SUCCESS", "type": "CONDITION_END"} */
     178             : 
     179           4 :   if (ldv_undef_int()) {
     180             :    /* LDV {"action": "DEFAULT_REGISTER_3", "type": "DISPATCH_BEGIN", "comment": "Register 'TIMER' callbacks with unknown registration function."} */
     181           2 :    ldv_dispatch_default_register_3_3_5();
     182             :    /* LDV {"action": "DEFAULT_REGISTER_3", "type": "DISPATCH_END"} */
     183             : 
     184             :    /* LDV {"action": "DEFAULT_DEREGISTER_3", "type": "DISPATCH_BEGIN", "comment": "Deregister 'TIMER' callbacks with unknown deregistration function."} */
     185           2 :    ldv_dispatch_default_deregister_3_3_4();
     186             :    /* LDV {"action": "DEFAULT_DEREGISTER_3", "type": "DISPATCH_END"} */
     187             : 
     188             :   }
     189             :   else {
     190             :    /* LDV {"action": "NONE", "type": "CONDITION_BEGIN", "comment": "Skip default callbacks registrations and deregistrations."} */
     191             :    /* LDV {"action": "NONE", "type": "CONDITION_END"} */
     192             : 
     193             :   }
     194             :   /* LDV {"action": "JOURNAL_EXIT", "type": "CALL_BEGIN", "callback": true, "comment": "Exit the module before its unloading with 'journal_exit' function. Invoke callback journal_exit from ARTIFICIAL."} */
     195             :   /* LDV {"type": "CALLBACK", "call": "(journal_exit)();", "comment": "journal_exit"} */
     196           4 :   ldv_insmod_journal_exit_3_2(ldv_3_journal_exit_default);
     197             :   /* LDV {"action": "JOURNAL_EXIT", "type": "CALL_END"} */
     198             : 
     199             :   /* LDV {"action": "INSMOD_DEREGISTER", "type": "RECEIVE_BEGIN", "comment": "Trigger module exit."} */
     200             :   /* Skip a non-replicative signal receiving */
     201             :   /* LDV {"action": "INSMOD_DEREGISTER", "type": "RECEIVE_END"} */
     202             : 
     203             :   /* Exit function at a terminal state */
     204           1 :   return;
     205             :  }
     206             :  /* End of the process */
     207             :  return;
     208             :  /* LDV {"comment": "End of control function based on process 'insmod(artificial)'", "type": "CONTROL_FUNCTION_END", "function": "ldv_insmod_3"} */
     209             : }
     210             : 
     211             : /* AUX_FUNC_CALLBACK ldv_insmod_journal_exit_3_2 */
     212             : void ldv_insmod_journal_exit_3_2(void (*arg0)(void)) {
     213           4 :  (journal_exit)();
     214           2 : }
     215             : 
     216             : /* AUX_FUNC_CALLBACK ldv_insmod_journal_init_3_9 */
     217             : int ldv_insmod_journal_init_3_9(int (*arg0)(void)) {
     218           3 :  return (journal_init)();
     219           1 : }
     220             : 
     221             : /* AUX_FUNC ldv_main_5 */
     222             : void ldv_main_5(void *arg0) {
     223             :  /* LDV {"thread": 5, "type": "CONTROL_FUNCTION_BEGIN", "comment": "Control function 'main(main)'", "function": "ldv_main_5"} */
     224             :  /* LDV {"type": "CONTROL_FUNCTION_INIT_BEGIN", "comment": "Declare auxiliary variables."} */
     225             :  /* LDV {"type": "CONTROL_FUNCTION_INIT_END", "comment": "Declare auxiliary variables."} */
     226             :  /* LDV {"action": "INIT", "type": "CONDITION_BEGIN", "comment": "Initialize rule models."} */
     227           1 :  ldv_initialize();
     228             :  /* LDV {"action": "INIT", "type": "CONDITION_END"} */
     229             : 
     230             :  /* LDV {"action": "INSMOD_REGISTER", "type": "DISPATCH_BEGIN", "comment": "Start environment model scenarios."} */
     231           2 :  ldv_dispatch_insmod_register_5_3();
     232             :  /* LDV {"action": "INSMOD_REGISTER", "type": "DISPATCH_END"} */
     233             : 
     234             :  /* LDV {"action": "INSMOD_DEREGISTER", "type": "DISPATCH_BEGIN", "comment": "Stop environment model scenarios."} */
     235           2 :  ldv_dispatch_insmod_deregister_5_2();
     236             :  /* LDV {"action": "INSMOD_DEREGISTER", "type": "DISPATCH_END"} */
     237             : 
     238             :  /* LDV {"action": "FINAL", "type": "CONDITION_BEGIN", "comment": "Check rule model state at the exit."} */
     239           1 :  ldv_check_final_state();
     240           1 :  ldv_stop();
     241             :  /* LDV {"action": "FINAL", "type": "CONDITION_END"} */
     242             : 
     243             :  /* Exit function at a terminal state */
     244           0 :  return;
     245             :  /* End of the process */
     246             :  return;
     247             :  /* LDV {"comment": "End of control function based on process 'main(main)'", "type": "CONTROL_FUNCTION_END", "function": "ldv_main_5"} */
     248             : }
     249             : 
     250             : /* AUX_FUNC ldv_timer_scenario_1 */
     251             : void ldv_timer_scenario_1(void *arg0) {
     252             :  /* LDV {"thread": 1, "type": "CONTROL_FUNCTION_BEGIN", "comment": "Control function 'timer_scenario(timer)'", "function": "ldv_timer_scenario_1"} */
     253           1 :  /* LDV {"type": "CONTROL_FUNCTION_INIT_BEGIN", "comment": "Declare auxiliary variables."} */
     254           1 :  struct timer_list *ldv_1_container_timer_list;
     255             :  /* Received labels */
     256           1 :  struct ldv_struct_timer_scenario_1 *data = (struct ldv_struct_timer_scenario_1*) arg0;
     257             : 
     258             :  /* LDV {"type": "CONTROL_FUNCTION_INIT_END", "comment": "Declare auxiliary variables."} */
     259             :  /* LDV {"action": "INSTANCE_REGISTER", "type": "RECEIVE_BEGIN", "comment": "Begin TIMER callbacks invocations scenario."} */
     260             :  /* Assign recieved labels */
     261           2 :  if (data) {
     262           1 :   ldv_1_container_timer_list = data->arg0;
     263           2 :   ldv_free(data);
     264             :  }
     265             :  /* LDV {"action": "INSTANCE_REGISTER", "type": "RECEIVE_END"} */
     266             : 
     267             :  /* LDV {"action": "CALLBACK", "type": "CALL_BEGIN", "callback": true, "comment": "Time has come: call the timer callback. Invoke callback callback from TIMER."} */
     268             :  /* Callback pre-call */
     269           2 :  ldv_switch_to_interrupt_context();
     270           6 :  if (ldv_1_container_timer_list->function) {
     271             :  /* LDV {"type": "CALLBACK", "call": "(ldv_1_container_timer_list->function)(ldv_1_container_timer_list->data);", "comment": "callback"} */
     272           4 :   ldv_timer_scenario_callback_1_2(ldv_1_container_timer_list->function, ldv_1_container_timer_list->data);
     273             :  }
     274             :  /* Callback post-call */
     275           3 :  ldv_switch_to_process_context();
     276             :  /* LDV {"action": "CALLBACK", "type": "CALL_END"} */
     277             : 
     278             :  /* LDV {"action": "INSTANCE_DEREGISTER", "type": "RECEIVE_BEGIN", "comment": "Finish TIMER callbacks invocations scenario."} */
     279             :  /* Skip a non-replicative signal receiving */
     280             :  /* LDV {"action": "INSTANCE_DEREGISTER", "type": "RECEIVE_END"} */
     281             : 
     282             :  /* Exit function at a terminal state */
     283           3 :  return;
     284             :  /* End of the process */
     285             :  return;
     286             :  /* LDV {"comment": "End of control function based on process 'timer_scenario(timer)'", "type": "CONTROL_FUNCTION_END", "function": "ldv_timer_scenario_1"} */
     287             : }
     288             : 
     289             : /* AUX_FUNC_CALLBACK ldv_timer_scenario_callback_1_2 */
     290             : void ldv_timer_scenario_callback_1_2(void (*arg0)(unsigned long), unsigned long arg1) {
     291           4 :  (*arg0)(arg1);
     292           2 : }
     293             : 
     294             : /* AUX_FUNC main */
     295             : int main() {
     296           1 :  ldv_main_5(0);
     297           0 :  return 0;
     298             : }
     299             : 
     300             : 
     301             : /* AUX_FUNC  ERR_PTR */
     302             : static inline void *ERR_PTR (long int error)
     303             : {
     304             : 
     305             :  return ldv_err_ptr(error);
     306             : }
     307             : 
     308             : /* AUX_FUNC  PTR_ERR */
     309             : static inline long int PTR_ERR (void const *ptr)
     310             : {
     311             : 
     312             :  return ldv_ptr_err(ptr);
     313             : }
     314             : 
     315             : /* AUX_FUNC  IS_ERR */
     316             : static inline long int IS_ERR (void const *ptr)
     317             : {
     318             : 
     319             :  return ldv_is_err(ptr);
     320             : }
     321             : 
     322             : /* AUX_FUNC  IS_ERR_OR_NULL */
     323             : static inline long int IS_ERR_OR_NULL (void const *ptr)
     324             : {
     325             : 
     326             :  return ldv_is_err_or_null(ptr);
     327             : }
     328             : 
     329             : /* AUX_FUNC  ldv_del_timer_sync_5 */
     330             : int ldv_del_timer_sync_5 (struct timer_list *ldv_func_arg1)
     331             : {
     332             : 
     333             :  /* LDV {"type": "KERNEL_MODEL", "comment": "Perform the model code of the function 'del_timer_sync'"} */
     334             :  return ldv_emg_del_timer_sync(ldv_func_arg1);
     335             : }
     336             : 
     337             : /* AUX_FUNC  kzalloc */
     338             : static inline void *kzalloc (size_t size, gfp_t flags)
     339             : {
     340             : 
     341             :  return ldv_kzalloc(size, flags);
     342             : }
     343             : 
     344             : /* AUX_FUNC  ldv_del_timer_sync_7 */
     345             : int ldv_del_timer_sync_7 (struct timer_list *ldv_func_arg1)
     346             : {
     347           0 : 
     348             :  /* LDV {"type": "KERNEL_MODEL", "comment": "Perform the model code of the function 'del_timer_sync'"} */
     349           0 :  return ldv_emg_del_timer_sync(ldv_func_arg1);
     350             : }
     351             : 
     352             : /* AUX_FUNC  ldv_del_timer_sync_8 */
     353             : int ldv_del_timer_sync_8 (struct timer_list *ldv_func_arg1)
     354             : {
     355           0 : 
     356             :  /* LDV {"type": "KERNEL_MODEL", "comment": "Perform the model code of the function 'del_timer_sync'"} */
     357           0 :  return ldv_emg_del_timer_sync(ldv_func_arg1);
     358             : }

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