#define __MODEL_H__
#include <cstddef>
-#include <ucontext.h>
#include <inttypes.h>
#include "mymemory.h"
#include "config.h"
#include "modeltypes.h"
#include "stl-model.h"
+#include "context.h"
+#include "params.h"
/* Forward declaration */
class Node;
class Scheduler;
class Thread;
class ClockVector;
+class TraceAnalysis;
struct model_snapshot_members;
/** @brief Shorthand for a list of release sequence heads */
typedef ModelVector<const ModelAction *> rel_heads_list_t;
-
typedef SnapList<ModelAction *> action_list_t;
-/**
- * Model checker parameter structure. Holds run-time configuration options for
- * the model checker.
- */
-struct model_params {
- int maxreads;
- int maxfuturedelay;
- bool yieldon;
- unsigned int fairwindow;
- unsigned int enabledcount;
- unsigned int bound;
- unsigned int uninitvalue;
-
- /** @brief Maximum number of future values that can be sent to the same
- * read */
- int maxfuturevalues;
-
- /** @brief Only generate a new future value/expiration pair if the
- * expiration time exceeds the existing one by more than the slop
- * value */
- unsigned int expireslop;
-
- /** @brief Verbosity (0 = quiet; 1 = noisy) */
- int verbose;
-
- /** @brief Command-line argument count to pass to user program */
- int argc;
-
- /** @brief Command-line arguments to pass to user program */
- char **argv;
-};
-
/** @brief Model checker execution stats */
struct execution_stats {
int num_total; /**< @brief Total number of executions */
void check_promises(thread_id_t tid, ClockVector *old_cv, ClockVector *merge_cv);
bool isfeasibleprefix() const;
- bool assert_bug(const char *msg);
+ bool assert_bug(const char *msg, ...);
void assert_user_bug(const char *msg);
const model_params params;
Node * get_curr_node() const;
+ void add_trace_analysis(TraceAnalysis *a) {
+ trace_analyses->push_back(a);
+ }
+
+ action_list_t * get_actions_on_obj(void * obj, thread_id_t tid);
+ ModelAction * get_last_action(thread_id_t tid) const;
MEMALLOC
private:
bool check_action_enabled(ModelAction *curr);
Thread * take_step(ModelAction *curr);
+ bool should_terminate_execution();
template <typename T>
bool check_recency(ModelAction *curr, const T *rf) const;
void check_curr_backtracking(ModelAction *curr);
void add_action_to_lists(ModelAction *act);
- ModelAction * get_last_action(thread_id_t tid) const;
ModelAction * get_last_fence_release(thread_id_t tid) const;
ModelAction * get_last_seq_cst_write(ModelAction *curr) const;
ModelAction * get_last_seq_cst_fence(thread_id_t tid, const ModelAction *before_fence) const;
* to a trace of all actions performed on the object. */
HashTable<const void *, action_list_t *, uintptr_t, 4> * const obj_map;
- /** Per-object list of actions. Maps an object (i.e., memory location)
- * to a trace of all actions performed on the object. */
- HashTable<const void *, action_list_t *, uintptr_t, 4> * const lock_waiters_map;
-
/** Per-object list of actions. Maps an object (i.e., memory location)
* to a trace of all actions performed on the object. */
HashTable<const void *, action_list_t *, uintptr_t, 4> * const condvar_waiters_map;
SnapVector<ModelAction *> * const thrd_last_action;
SnapVector<ModelAction *> * const thrd_last_fence_release;
NodeStack * const node_stack;
+ ModelVector<TraceAnalysis *> * trace_analyses;
+
/** Private data members that should be snapshotted. They are grouped
* together for efficiency and maintainability. */
/** @brief The cumulative execution stats */
struct execution_stats stats;
void record_stats();
-
+ void run_trace_analyses();
void print_infeasibility(const char *prefix) const;
bool is_feasible_prefix_ignore_relseq() const;
bool is_infeasible() const;
bool is_deadlocked() const;
- bool is_circular_wait(const Thread *t) const;
+ bool too_many_steps() const;
bool is_complete_execution() const;
bool have_bug_reports() const;
void print_bugs() const;