// These are the types of physical memory address regions
// from the perspective of the HOST
typedef enum shdw_region_type {
- SHDW_REGION_INVALID, // This region is INVALID (this is a return type to denote errors)
- SHDW_REGION_WRITE_HOOK, // This region is mapped as read-only (page faults on write)
- SHDW_REGION_FULL_HOOK, // This region is mapped as not present (always generate page faults)
- SHDW_REGION_ALLOCATED, // Region is a section of host memory
+ SHDW_REGION_WRITE_HOOK, // This region is mapped as read-only (page faults on write)
+ SHDW_REGION_FULL_HOOK, // This region is mapped as not present (always generate page faults)
+ SHDW_REGION_ALLOCATED, // Region is a section of host memory
} v3_shdw_region_type_t;
-typedef struct v3_shdw_map {
- addr_t hook_hva;
-
- struct rb_root shdw_regions;
-} v3_shdw_map_t;
struct v3_shadow_region {
- addr_t guest_start;
- addr_t guest_end;
+ addr_t guest_start;
+ addr_t guest_end;
- v3_shdw_region_type_t host_type;
+ v3_shdw_region_type_t host_type;
- addr_t host_addr; // This either points to a host address mapping
+ addr_t host_addr; // This either points to a host address mapping
- // Called when data is read from a memory page
- int (*read_hook)(addr_t guest_addr, void * dst, uint_t length, void * priv_data);
- // Called when data is written to a memory page
- int (*write_hook)(addr_t guest_addr, void * src, uint_t length, void * priv_data);
+ // Called when data is read from a memory page
+ int (*read_hook)(addr_t guest_addr, void * dst, uint_t length, void * priv_data);
+ // Called when data is written to a memory page
+ int (*write_hook)(addr_t guest_addr, void * src, uint_t length, void * priv_data);
- void * priv_data;
+ void * priv_data;
- struct rb_node tree_node;
+ struct rb_node tree_node;
};
+typedef struct v3_shdw_map {
+ struct v3_shadow_region base_region;
+
+
+ addr_t hook_hva;
+
+ struct rb_root shdw_regions;
+} v3_shdw_map_t;
+
+
+
-void v3_init_shadow_map(struct guest_info * info);
+int v3_init_shadow_map(struct guest_info * info);
void v3_delete_shadow_map(struct guest_info * info);
-
+int v3_unhook_mem(struct guest_info * info, addr_t guest_addr_start);
void v3_delete_shadow_region(struct guest_info * info, struct v3_shadow_region * reg);
+
+
struct v3_shadow_region * v3_get_shadow_region(struct guest_info * info, addr_t guest_addr);
addr_t v3_get_shadow_addr(struct v3_shadow_region * reg, addr_t guest_addr);
-void print_shadow_map(struct guest_info * info);
+void v3_print_mem_map(struct guest_info * info);