#include "simgrid_config.h"
#include <stdio.h>
+#include <stdbool.h>
#ifndef WIN32
#include <sys/mman.h>
#endif
#include "msg/datatypes.h"
#include "xbt/strbuff.h"
#include "xbt/parmap.h"
+#include "mc_mmu.h"
+
+SG_BEGIN_DECL()
typedef struct s_dw_frame s_dw_frame_t, *dw_frame_t;
typedef struct s_mc_function_index_item s_mc_function_index_item_t, *mc_function_index_item_t;
size_t* page_numbers;
} s_mc_mem_region_t, *mc_mem_region_t;
+static inline __attribute__ ((always_inline))
+bool mc_region_contain(mc_mem_region_t region, void* p)
+{
+ return p >= region->start_addr &&
+ p < (void*)((char*) region->start_addr + region->size);
+}
+
/** Ignored data
*
* Some parts of the snapshot are ignored by zeroing them out: the real
xbt_dynar_t ignored_data;
} s_mc_snapshot_t, *mc_snapshot_t;
+mc_mem_region_t mc_get_snapshot_region(void* addr, mc_snapshot_t snapshot);
+
+static inline __attribute__ ((always_inline))
+mc_mem_region_t mc_get_region_hinted(void* addr, mc_snapshot_t snapshot, mc_mem_region_t region)
+{
+ if (mc_region_contain(region, addr))
+ return region;
+ else
+ return mc_get_snapshot_region(addr, snapshot);
+}
+
/** Information about a given stack frame
*
*/
typedef struct s_mc_snapshot_stack{
xbt_dynar_t local_variables;
- void *stack_pointer;
- void *real_address;
xbt_dynar_t stack_frames; // mc_stack_frame_t
}s_mc_snapshot_stack_t, *mc_snapshot_stack_t;
size_t size;
}s_mc_checkpoint_ignore_region_t, *mc_checkpoint_ignore_region_t;
-SG_BEGIN_DECL()
-
-inline static void* mc_snapshot_get_heap_end(mc_snapshot_t snapshot) {
- if(snapshot==NULL)
- xbt_die("snapshot is NULL");
- xbt_mheap_t heap = (xbt_mheap_t)snapshot->regions[0]->data;
- return heap->breakval;
-}
+static void* mc_snapshot_get_heap_end(mc_snapshot_t snapshot);
mc_snapshot_t SIMIX_pre_mc_snapshot(smx_simcall_t simcall);
mc_snapshot_t MC_take_snapshot(int num_state);
typedef struct s_mc_pages_store s_mc_pages_store_t, * mc_pages_store_t;
mc_pages_store_t mc_pages_store_new();
+static inline __attribute__((always_inline))
+bool mc_snapshot_region_linear(mc_mem_region_t region) {
+ return !region || !region->data;
+}
+
+void* mc_snapshot_read_region(void* addr, mc_mem_region_t region, void* target, size_t size);
+void* mc_snapshot_read(void* addr, mc_snapshot_t snapshot, void* target, size_t size);
+int mc_snapshot_region_memcp(
+ void* addr1, mc_mem_region_t region1,
+ void* addr2, mc_mem_region_t region2, size_t size);
+int mc_snapshot_memcp(
+ void* addr1, mc_snapshot_t snapshot1,
+ void* addr2, mc_snapshot_t snapshot2, size_t size);
+
+static void* mc_snapshot_read_pointer(void* addr, mc_snapshot_t snapshot);
+
/** @brief State of the model-checker (global variables for the model checker)
*
* Each part of the state of the model chercker represented as a global
extern mc_model_checker_t mc_model_checker;
-/** \brief Translate a pointer from process address space to snapshot address space
- *
- * The address space contains snapshot of the main/application memory:
- * this function finds the address in a given snaphot for a given
- * real/application address.
- *
- * For read only memory regions and other regions which are not int the
- * snapshot, the address is not changed.
- *
- * \param addr Application address
- * \param snapshot The snapshot of interest (if NULL no translation is done)
- * \return Translated address in the snapshot address space
- * */
-void* mc_translate_address(uintptr_t addr, mc_snapshot_t snapshot);
-
-/** \brief Translate a pointer from the snapshot address space to the application address space
- *
- * This is the inverse of mc_translate_address.
- *
- * \param addr Address in the snapshot address space
- * \param snapsot Snapshot of interest (if NULL no translation is done)
- * \return Translated address in the application address space
- */
-uintptr_t mc_untranslate_address(void* addr, mc_snapshot_t snapshot);
-
extern xbt_dynar_t mc_checkpoint_ignore;
/********************************* MC Global **********************************/
};
void* mc_member_resolve(const void* base, dw_type_t type, dw_type_t member, mc_snapshot_t snapshot);
-void* mc_member_snapshot_resolve(const void* base, dw_type_t type, dw_type_t member, mc_snapshot_t snapshot);
typedef struct s_dw_variable{
Dwarf_Off dwarf_offset; /* Global offset of the field. */
* */
uint64_t mc_hash_processes_state(int num_state, xbt_dynar_t stacks);
+//
+
+static inline __attribute__ ((always_inline))
+ void* mc_snapshot_get_heap_end(mc_snapshot_t snapshot) {
+ if(snapshot==NULL)
+ xbt_die("snapshot is NULL");
+ void** addr = &((xbt_mheap_t)std_heap)->breakval;
+ return mc_snapshot_read_pointer(addr, snapshot);
+}
+
+static inline __attribute__ ((always_inline))
+void* mc_snapshot_read_pointer(void* addr, mc_snapshot_t snapshot)
+{
+ void* res;
+ return *(void**) mc_snapshot_read(addr, snapshot, &res, sizeof(void*));
+}
+
SG_END_DECL()
#endif
