LCOV - code coverage report
Current view: top level - avtg/fs/isofs/isofs.ko/linux:drivers:clk2/weaver - dir.c.aux (source / functions) Hit Total Coverage
Test: coverage.info Lines: 76 77 98.7 %
Date: 2017-01-25 Functions: 4 4 100.0 %

          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/cdev.h>
      29             : #include <linux/miscdevice.h>
      30             : #include <linux/fs.h>
      31             : #include <linux/pagemap.h>
      32             : 
      33             : 
      34             : struct ldv_struct_insmod_10 {
      35             :  int signal_pending;
      36             : };
      37             : 
      38             : struct ldv_struct_random_containerless_scenario_9 {
      39             :  struct file_system_type *arg0;
      40             :  int signal_pending;
      41             : };
      42             : 
      43             : /* EMG Function declarations */
      44             : void ldv_character_driver_scenario_1(void *);
      45             : void ldv_character_driver_scenario_callback_1_22(int (*)(struct file *, void *, filldir_t ), struct file *, void *, int (*)(void *, char *, int, loff_t , u64 , unsigned int));
      46             : void ldv_character_driver_scenario_callback_1_5(ssize_t (*)(struct file *, char *, long unsigned int, loff_t *), struct file *, char *, long unsigned int, loff_t *);
      47             : extern int ldv_character_driver_scenario_probe_1_13(int (*)(struct inode *, struct file *), struct inode *, struct file *);
      48             : extern void ldv_character_driver_scenario_write_1_4(ssize_t (*)(struct file *, char *, long unsigned int, loff_t *), struct file *, char *, long unsigned int, loff_t *);
      49             : void ldv_random_containerless_scenario_callback_8_4(struct dentry *(*)(struct inode *, struct dentry *, struct nameidata *), struct inode *, struct dentry *, struct nameidata *);
      50             : 
      51             : /* EMG variable declarations */
      52           1 : struct ldv_thread ldv_thread_1;
      53             : 
      54             : /* EMG variable initialization */
      55             : 
      56             : /* EMG function definitions */
      57             : /* AUX_FUNC ldv_character_driver_scenario_1 */
      58             : void ldv_character_driver_scenario_1(void *arg0) {
      59             :  /* LDV {"thread": 1, "type": "CONTROL_FUNCTION_BEGIN", "comment": "Control function 'character_driver_scenario(file_operations)'", "function": "ldv_character_driver_scenario_1"} */
      60           1 :  /* LDV {"type": "CONTROL_FUNCTION_INIT_BEGIN", "comment": "Declare auxiliary variables."} */
      61           1 :  ssize_t (*ldv_1_callback_read)(struct file *, char *, long unsigned int, loff_t *);
      62             :  int (*ldv_1_callback_readdir)(struct file *, void *, filldir_t );
      63             :  struct file_operations *ldv_1_container_file_operations;
      64           1 :  char *ldv_1_ldv_param_4_1_default;
      65           1 :  long long int *ldv_1_ldv_param_4_3_default;
      66           1 :  char *ldv_1_ldv_param_5_1_default;
      67           1 :  long long int *ldv_1_ldv_param_5_3_default;
      68           1 :  struct file *ldv_1_resource_file;
      69           1 :  struct inode *ldv_1_resource_inode;
      70           1 :  int ldv_1_ret_default;
      71           1 :  int (*ldv_1_size_cnt_func_1_ptr)(void *, char *, int, loff_t , u64 , unsigned int);
      72           1 :  long unsigned int ldv_1_size_cnt_write_size;
      73           1 :  /* LDV {"type": "CONTROL_FUNCTION_INIT_END", "comment": "Declare auxiliary variables."} */
      74           1 :  /* Initialize automaton variables */
      75           2 :  ldv_1_ret_default = 1;
      76           1 :  /* LDV {"action": "DEFAULT_REGISTER_1", "type": "RECEIVE_BEGIN", "comment": "Begin FILE_OPERATIONS callbacks invocations scenario."} */
      77           3 :  ldv_free(arg0);
      78           1 :  /* LDV {"action": "DEFAULT_REGISTER_1", "type": "RECEIVE_END"} */
      79           1 : 
      80           1 :  /* LDV {"action": "DEFAULT_ALLOC_1", "type": "CONDITION_BEGIN", "comment": "Allocate memory after default registration."} */
      81           4 :  ldv_1_container_file_operations = ldv_xmalloc_unknown_size(0);
      82           1 :  /* LDV {"action": "DEFAULT_ALLOC_1", "type": "CONDITION_END"} */
      83           1 : 
      84           1 :  /* LDV {"action": "INIT", "type": "CONDITION_BEGIN", "comment": "Allocate memory for file and inode structures."} */
      85           4 :  ldv_1_resource_file = ldv_xmalloc(sizeof(struct file));
      86           3 :  ldv_1_resource_inode = ldv_xmalloc(sizeof(struct inode));
      87           3 :  ldv_1_size_cnt_func_1_ptr = ldv_undef_int();
      88             :  /* LDV {"action": "INIT", "type": "CONDITION_END"} */
      89             : 
      90             :  /* LDV {"action": "MAIN", "type": "SUBPROCESS_BEGIN", "comment": "Device appeared in the system."} */
      91             :  /* LDV {"action": "MAIN", "type": "SUBPROCESS_END"} */
      92             : 
      93             :  /* Jump to a subprocess 'main' initial state */
      94           1 :  goto ldv_main_1;
      95             :  /* End of the process */
      96             :  return;
      97           1 : 
      98             :  /* Sbprocess main */
      99             :  ldv_main_1:
     100             :  /* LDV {"action": null, "type": "ARTIFICIAL", "comment": "Artificial state in scenario"} */
     101             : 
     102           4 :  if (ldv_undef_int()) {
     103             :   /* LDV {"action": "PROBE", "type": "CALL_BEGIN", "callback": true, "comment": "Open the device file. Invoke callback probe from FILE_OPERATIONS."} */
     104           3 :   if (ldv_1_container_file_operations->open) {
     105             :   /* LDV {"type": "CALLBACK", "call": "ldv_1_ret_default = (ldv_1_container_file_operations->open)(ldv_1_resource_inode, ldv_1_resource_file);", "comment": "probe"} */
     106           2 :    ldv_1_ret_default = ldv_character_driver_scenario_probe_1_13(ldv_1_container_file_operations->open, ldv_1_resource_inode, ldv_1_resource_file);
     107             :   }
     108             :   /* Callback post-call */
     109           4 :   ldv_1_ret_default = ldv_filter_err_code(ldv_1_ret_default);
     110             :   /* LDV {"action": "PROBE", "type": "CALL_END"} */
     111             : 
     112           4 :   if (ldv_undef_int()) {
     113             :    /* LDV {"action": "PROBE_SUCCESS", "type": "CONDITION_BEGIN", "comment": "Device file is opened successfully."} */
     114           2 :    ldv_assume(ldv_1_ret_default == 0);
     115             :    /* LDV {"action": "PROBE_SUCCESS", "type": "CONDITION_END"} */
     116             : 
     117             :    /* LDV {"action": "CALL", "type": "SUBPROCESS_BEGIN", "comment": "Device file is opened, ready to read and write."} */
     118             :    /* LDV {"action": "CALL", "type": "SUBPROCESS_END"} */
     119             : 
     120             :    /* Jump to a subprocess 'call' initial state */
     121           1 :    goto ldv_call_1;
     122             :   }
     123             :   else {
     124             :    /* LDV {"action": "PROBE_FAIL", "type": "CONDITION_BEGIN", "comment": "Failed to open devices file."} */
     125           2 :    ldv_assume(ldv_1_ret_default != 0);
     126             :    /* LDV {"action": "PROBE_FAIL", "type": "CONDITION_END"} */
     127             : 
     128             :    /* LDV {"action": "MAIN", "type": "SUBPROCESS_BEGIN", "comment": "Device appeared in the system."} */
     129             :    /* LDV {"action": "MAIN", "type": "SUBPROCESS_END"} */
     130             : 
     131             :    /* Jump to a subprocess 'main' initial state */
     132           1 :    goto ldv_main_1;
     133             :   }
     134             :  }
     135             :  else {
     136             :   /* LDV {"action": "FREE", "type": "CONDITION_BEGIN", "comment": "Free memory of file and inode structures."} */
     137           2 :   ldv_free(ldv_1_resource_file);
     138           2 :   ldv_free(ldv_1_resource_inode);
     139             :   /* LDV {"action": "FREE", "type": "CONDITION_END"} */
     140             : 
     141             :   /* LDV {"action": "DEFAULT_FREE_1", "type": "CONDITION_BEGIN", "comment": "Free memory before default deregistration."} */
     142           2 :   ldv_free(ldv_1_container_file_operations);
     143             :   /* LDV {"action": "DEFAULT_FREE_1", "type": "CONDITION_END"} */
     144             : 
     145             :   /* LDV {"action": "DEFAULT_DEREGISTER_1", "type": "RECEIVE_BEGIN", "comment": "Finish FILE_OPERATIONS callbacks invocations scenario."} */
     146             :   /* Skip a non-replicative signal receiving */
     147             :   /* LDV {"action": "DEFAULT_DEREGISTER_1", "type": "RECEIVE_END"} */
     148             : 
     149             :   /* Exit function at a terminal state */
     150           1 :   return;
     151             :  }
     152             :  /* End of the subprocess 'main' */
     153             :  return;
     154           1 : 
     155             :  /* Sbprocess call */
     156             :  ldv_call_1:
     157             :  /* LDV {"action": null, "type": "ARTIFICIAL", "comment": "Artificial state in scenario"} */
     158             : 
     159           2 :  switch (ldv_undef_int()) {
     160           3 :   case 1: {
     161             :    /* LDV {"action": "PRE_CALL_4", "type": "CONDITION_BEGIN", "comment": "Allocate memory for adhoc callback parameters."} */
     162           3 :    ldv_1_ldv_param_4_1_default = ldv_xmalloc_unknown_size(0);
     163           3 :    ldv_1_ldv_param_4_3_default = ldv_xmalloc_unknown_size(0);
     164             :    /* LDV {"action": "PRE_CALL_4", "type": "CONDITION_END"} */
     165             : 
     166             :    /* LDV {"action": "WRITE", "type": "CALL_BEGIN", "callback": true, "comment": "Write data to the device. Invoke callback write from FILE_OPERATIONS."} */
     167             :    /* Callback pre-call */
     168           2 :    ldv_assume(ldv_1_size_cnt_func_1_ptr <= (INT_MAX & PAGE_CACHE_MASK));
     169           3 :    if (ldv_1_container_file_operations->write) {
     170             :    /* LDV {"type": "CALLBACK", "call": "(ldv_1_container_file_operations->write)(ldv_1_resource_file, ldv_1_ldv_param_4_1_default, ldv_1_size_cnt_write_size, ldv_1_ldv_param_4_3_default);", "comment": "write"} */
     171           3 :     ldv_character_driver_scenario_write_1_4(ldv_1_container_file_operations->write, ldv_1_resource_file, ldv_1_ldv_param_4_1_default, ldv_1_size_cnt_write_size, ldv_1_ldv_param_4_3_default);
     172             :    }
     173             :    /* LDV {"action": "WRITE", "type": "CALL_END"} */
     174             : 
     175             :    /* LDV {"action": "POST_CALL_4", "type": "CONDITION_BEGIN", "comment": "Free memory of adhoc callback parameters."} */
     176           4 :    ldv_free(ldv_1_ldv_param_4_1_default);
     177           2 :    ldv_free(ldv_1_ldv_param_4_3_default);
     178             :    /* LDV {"action": "POST_CALL_4", "type": "CONDITION_END"} */
     179             : 
     180             :    /* LDV {"action": "CALL", "type": "SUBPROCESS_BEGIN", "comment": "Device file is opened, ready to read and write."} */
     181             :    /* LDV {"action": "CALL", "type": "SUBPROCESS_END"} */
     182             : 
     183             :    /* Jump to a subprocess 'call' initial state */
     184           1 :    goto ldv_call_1;
     185           1 :    break;
     186             :   }
     187           3 :   case 2: {
     188             :    /* LDV {"action": "RELEASE", "type": "CALL_BEGIN", "comment": "Call callback 'release' of a process 'character_driver_scenario' of an interface category 'file_operations'"} */
     189             :    /* Skip callback without implementations */
     190             :    /* LDV {"action": "RELEASE", "type": "CALL_END"} */
     191             : 
     192             :    /* LDV {"action": "MAIN", "type": "SUBPROCESS_BEGIN", "comment": "Device appeared in the system."} */
     193             :    /* LDV {"action": "MAIN", "type": "SUBPROCESS_END"} */
     194             : 
     195             :    /* Jump to a subprocess 'main' initial state */
     196           1 :    goto ldv_main_1;
     197           1 :    break;
     198             :   }
     199           3 :   case 3: {
     200             :    /* LDV {"action": "PRE_CALL_5", "type": "CONDITION_BEGIN", "comment": "Allocate memory for adhoc callback parameters."} */
     201           3 :    ldv_1_ldv_param_5_1_default = ldv_xmalloc_unknown_size(0);
     202           3 :    ldv_1_ldv_param_5_3_default = ldv_xmalloc_unknown_size(0);
     203             :    /* LDV {"action": "PRE_CALL_5", "type": "CONDITION_END"} */
     204             : 
     205           4 :    if (ldv_undef_int()) {
     206             :     /* LDV {"action": "CALLBACK", "type": "CALL_BEGIN", "callback": true, "comment": "Invoke callback readdir from file_operations."} */
     207             :     /* LDV {"type": "CALLBACK", "call": "((& isofs_readdir))(ldv_1_resource_file, ldv_1_resource_inode, ldv_1_size_cnt_func_1_ptr);", "comment": "callback"} */
     208           2 :     ldv_character_driver_scenario_callback_1_22(ldv_1_callback_readdir, ldv_1_resource_file, ldv_1_resource_inode, ldv_1_size_cnt_func_1_ptr);
     209             :     /* LDV {"action": "CALLBACK", "type": "CALL_END"} */
     210             : 
     211             :    }
     212             :    else {
     213             :     /* LDV {"action": "CALLBACK", "type": "CALL_BEGIN", "callback": true, "comment": "Invoke callback read from file_operations."} */
     214             :     /* LDV {"type": "CALLBACK", "call": "((& generic_read_dir))(ldv_1_resource_file, ldv_1_ldv_param_5_1_default, ldv_1_size_cnt_write_size, ldv_1_ldv_param_5_3_default);", "comment": "callback"} */
     215           2 :     ldv_character_driver_scenario_callback_1_5(ldv_1_callback_read, ldv_1_resource_file, ldv_1_ldv_param_5_1_default, ldv_1_size_cnt_write_size, ldv_1_ldv_param_5_3_default);
     216             :     /* LDV {"action": "CALLBACK", "type": "CALL_END"} */
     217             : 
     218             :    }
     219           2 :    break;
     220           1 :   }
     221           2 :   default: ldv_stop();
     222           1 :  }
     223           0 :  /* LDV {"action": "POST_CALL_5", "type": "CONDITION_BEGIN", "comment": "Free memory of adhoc callback parameters."} */
     224           4 :  ldv_free(ldv_1_ldv_param_5_1_default);
     225           2 :  ldv_free(ldv_1_ldv_param_5_3_default);
     226             :  /* LDV {"action": "POST_CALL_5", "type": "CONDITION_END"} */
     227             : 
     228             :  /* LDV {"action": "CALL", "type": "SUBPROCESS_BEGIN", "comment": "Device file is opened, ready to read and write."} */
     229             :  /* LDV {"action": "CALL", "type": "SUBPROCESS_END"} */
     230             : 
     231             :  /* Jump to a subprocess 'call' initial state */
     232           1 :  goto ldv_call_1;
     233             :  /* Jump to a subprocess 'call' initial state */
     234             :  goto ldv_call_1;
     235             :  /* End of the subprocess 'call' */
     236             :  return;
     237             :  /* LDV {"comment": "End of control function based on process 'character_driver_scenario(file_operations)'", "type": "CONTROL_FUNCTION_END", "function": "ldv_character_driver_scenario_1"} */
     238             : }
     239             : 
     240             : /* AUX_FUNC_CALLBACK ldv_character_driver_scenario_callback_1_22 */
     241             : void ldv_character_driver_scenario_callback_1_22(int (*arg0)(struct file *, void *, filldir_t ), struct file *arg1, void *arg2, int (*arg3)(void *, char *, int, loff_t , u64 , unsigned int)) {
     242           3 :  ((& isofs_readdir))(arg1, arg2, arg3);
     243           1 : }
     244             : 
     245             : /* AUX_FUNC_CALLBACK ldv_character_driver_scenario_callback_1_5 */
     246             : void ldv_character_driver_scenario_callback_1_5(ssize_t (*arg0)(struct file *, char *, long unsigned int, loff_t *), struct file *arg1, char *arg2, long unsigned int arg3, long long int *arg4) {
     247           1 :  ((& generic_read_dir))(arg1, arg2, arg3, arg4);
     248           1 : }
     249             : 
     250             : /* AUX_FUNC_CALLBACK ldv_random_containerless_scenario_callback_8_4 */
     251             : void ldv_random_containerless_scenario_callback_8_4(struct dentry *(*arg0)(struct inode *, struct dentry *, struct nameidata *), struct inode *arg1, struct dentry *arg2, struct nameidata *arg3) {
     252           5 :  ((& isofs_lookup))(arg1, arg2, arg3);
     253           1 : }
     254             : 
     255             : 
     256             : /* AUX_FUNC  ERR_PTR */
     257             : static inline void *ERR_PTR (long int error)
     258             : {
     259             : 
     260             :  return ldv_err_ptr(error);
     261             : }
     262             : 
     263             : /* AUX_FUNC  PTR_ERR */
     264             : static inline long int PTR_ERR (void const *ptr)
     265             : {
     266             : 
     267             :  return ldv_ptr_err(ptr);
     268             : }
     269             : 
     270             : /* AUX_FUNC  IS_ERR */
     271             : static inline long int IS_ERR (void const *ptr)
     272             : {
     273             : 
     274             :  return ldv_is_err(ptr);
     275             : }
     276             : 
     277             : /* AUX_FUNC  IS_ERR_OR_NULL */
     278             : static inline long int IS_ERR_OR_NULL (void const *ptr)
     279             : {
     280             : 
     281             :  return ldv_is_err_or_null(ptr);
     282             : }
     283             : 
     284             : /* AUX_FUNC  kzalloc */
     285             : static inline void *kzalloc (size_t size, gfp_t flags)
     286             : {
     287             : 
     288             :  return ldv_kzalloc(size, flags);
     289             : }

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