-extern void shared_region_dump_file_entry(
- int trace_level,
- load_struct_t *entry); /* forward */
-
-void shared_region_dump_file_entry(
- int trace_level,
- load_struct_t *entry)
-{
- int i;
- loaded_mapping_t *mapping;
-
- if (trace_level > shared_region_trace_level) {
- return;
- }
- printf("shared region: %p: "
- "file_entry %p base_address=0x%x file_offset=0x%x "
- "%d mappings\n",
- current_thread(), entry,
- entry->base_address, entry->file_offset, entry->mapping_cnt);
- mapping = entry->mappings;
- for (i = 0; i < entry->mapping_cnt; i++) {
- printf("shared region: %p:\t#%d: "
- "offset=0x%x size=0x%x file_offset=0x%x prot=%d\n",
- current_thread(),
- i,
- mapping->mapping_offset,
- mapping->size,
- mapping->file_offset,
- mapping->protection);
- mapping = mapping->next;
- }
-}
-
-extern void shared_region_dump_mappings(
- int trace_level,
- struct shared_file_mapping_np *mappings,
- int map_cnt,
- mach_vm_offset_t base_offset); /* forward */
-
-void shared_region_dump_mappings(
- int trace_level,
- struct shared_file_mapping_np *mappings,
- int map_cnt,
- mach_vm_offset_t base_offset)
-{
- int i;
-
- if (trace_level > shared_region_trace_level) {
- return;
- }
-
- printf("shared region: %p: %d mappings base_offset=0x%llx\n",
- current_thread(), map_cnt, (uint64_t) base_offset);
- for (i = 0; i < map_cnt; i++) {
- printf("shared region: %p:\t#%d: "
- "addr=0x%llx, size=0x%llx, file_offset=0x%llx, "
- "prot=(%d,%d)\n",
- current_thread(),
- i,
- (uint64_t) mappings[i].sfm_address,
- (uint64_t) mappings[i].sfm_size,
- (uint64_t) mappings[i].sfm_file_offset,
- mappings[i].sfm_max_prot,
- mappings[i].sfm_init_prot);
- }
-}
-
-extern void shared_region_dump_conflict_info(
- int trace_level,
- vm_map_t map,
- vm_map_offset_t offset,
- vm_map_size_t size); /* forward */
-
-void
-shared_region_dump_conflict_info(
- int trace_level,
- vm_map_t map,
- vm_map_offset_t offset,
- vm_map_size_t size)
-{
- vm_map_entry_t entry;
- vm_object_t object;
- memory_object_t mem_object;
- kern_return_t kr;
- char *filename;
-
- if (trace_level > shared_region_trace_level) {
- return;
- }
-
- object = VM_OBJECT_NULL;
-
- vm_map_lock_read(map);
- if (!vm_map_lookup_entry(map, offset, &entry)) {
- entry = entry->vme_next;
- }
-
- if (entry != vm_map_to_entry(map)) {
- if (entry->is_sub_map) {
- printf("shared region: %p: conflict with submap "
- "at 0x%llx size 0x%llx !?\n",
- current_thread(),
- (uint64_t) offset,
- (uint64_t) size);
- goto done;
- }
-
- object = entry->object.vm_object;
- if (object == VM_OBJECT_NULL) {
- printf("shared region: %p: conflict with NULL object "
- "at 0x%llx size 0x%llx !?\n",
- current_thread(),
- (uint64_t) offset,
- (uint64_t) size);
- object = VM_OBJECT_NULL;
- goto done;
- }
-
- vm_object_lock(object);
- while (object->shadow != VM_OBJECT_NULL) {
- vm_object_t shadow;
-
- shadow = object->shadow;
- vm_object_lock(shadow);
- vm_object_unlock(object);
- object = shadow;
- }
-
- if (object->internal) {
- printf("shared region: %p: conflict with anonymous "
- "at 0x%llx size 0x%llx\n",
- current_thread(),
- (uint64_t) offset,
- (uint64_t) size);
- goto done;
- }
- if (! object->pager_ready) {
- printf("shared region: %p: conflict with uninitialized "
- "at 0x%llx size 0x%llx\n",
- current_thread(),
- (uint64_t) offset,
- (uint64_t) size);
- goto done;
- }
-
- mem_object = object->pager;
-
- /*
- * XXX FBDP: "!internal" doesn't mean it's a vnode pager...
- */
- kr = vnode_pager_get_object_filename(mem_object,
- &filename);
- if (kr != KERN_SUCCESS) {
- filename = NULL;
- }
- printf("shared region: %p: conflict with '%s' "
- "at 0x%llx size 0x%llx\n",
- current_thread(),
- filename ? filename : "<unknown>",
- (uint64_t) offset,
- (uint64_t) size);
- }
-done:
- if (object != VM_OBJECT_NULL) {
- vm_object_unlock(object);
- }
- vm_map_unlock_read(map);
-}
-
projects / apple / xnu.git / blobdiff