src/share/vm/runtime/os.hpp
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src/share/vm/runtime/os.hpp

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 239                               bool executable = false);
 240   static bool   uncommit_memory(char* addr, size_t bytes);
 241   static bool   release_memory(char* addr, size_t bytes);
 242 
 243   enum ProtType { MEM_PROT_NONE, MEM_PROT_READ, MEM_PROT_RW, MEM_PROT_RWX };
 244   static bool   protect_memory(char* addr, size_t bytes, ProtType prot,
 245                                bool is_committed = true);
 246 
 247   static bool   guard_memory(char* addr, size_t bytes);
 248   static bool   unguard_memory(char* addr, size_t bytes);
 249   static bool   create_stack_guard_pages(char* addr, size_t bytes);
 250   static bool   remove_stack_guard_pages(char* addr, size_t bytes);
 251 
 252   static char*  map_memory(int fd, const char* file_name, size_t file_offset,
 253                            char *addr, size_t bytes, bool read_only = false,
 254                            bool allow_exec = false);
 255   static char*  remap_memory(int fd, const char* file_name, size_t file_offset,
 256                              char *addr, size_t bytes, bool read_only,
 257                              bool allow_exec);
 258   static bool   unmap_memory(char *addr, size_t bytes);
 259   static void   free_memory(char *addr, size_t bytes);
 260   static void   realign_memory(char *addr, size_t bytes, size_t alignment_hint);
 261 
 262   // NUMA-specific interface
 263   static bool   numa_has_static_binding();
 264   static bool   numa_has_group_homing();
 265   static void   numa_make_local(char *addr, size_t bytes, int lgrp_hint);
 266   static void   numa_make_global(char *addr, size_t bytes);
 267   static size_t numa_get_groups_num();
 268   static size_t numa_get_leaf_groups(int *ids, size_t size);
 269   static bool   numa_topology_changed();
 270   static int    numa_get_group_id();
 271 
 272   // Page manipulation
 273   struct page_info {
 274     size_t size;
 275     int lgrp_id;
 276   };
 277   static bool   get_page_info(char *start, page_info* info);
 278   static char*  scan_pages(char *start, char* end, page_info* page_expected, page_info* page_found);
 279 




 239                               bool executable = false);
 240   static bool   uncommit_memory(char* addr, size_t bytes);
 241   static bool   release_memory(char* addr, size_t bytes);
 242 
 243   enum ProtType { MEM_PROT_NONE, MEM_PROT_READ, MEM_PROT_RW, MEM_PROT_RWX };
 244   static bool   protect_memory(char* addr, size_t bytes, ProtType prot,
 245                                bool is_committed = true);
 246 
 247   static bool   guard_memory(char* addr, size_t bytes);
 248   static bool   unguard_memory(char* addr, size_t bytes);
 249   static bool   create_stack_guard_pages(char* addr, size_t bytes);
 250   static bool   remove_stack_guard_pages(char* addr, size_t bytes);
 251 
 252   static char*  map_memory(int fd, const char* file_name, size_t file_offset,
 253                            char *addr, size_t bytes, bool read_only = false,
 254                            bool allow_exec = false);
 255   static char*  remap_memory(int fd, const char* file_name, size_t file_offset,
 256                              char *addr, size_t bytes, bool read_only,
 257                              bool allow_exec);
 258   static bool   unmap_memory(char *addr, size_t bytes);
 259   static void   free_memory(char *addr, size_t bytes, size_t alignment_hint);
 260   static void   realign_memory(char *addr, size_t bytes, size_t alignment_hint);
 261 
 262   // NUMA-specific interface
 263   static bool   numa_has_static_binding();
 264   static bool   numa_has_group_homing();
 265   static void   numa_make_local(char *addr, size_t bytes, int lgrp_hint);
 266   static void   numa_make_global(char *addr, size_t bytes);
 267   static size_t numa_get_groups_num();
 268   static size_t numa_get_leaf_groups(int *ids, size_t size);
 269   static bool   numa_topology_changed();
 270   static int    numa_get_group_id();
 271 
 272   // Page manipulation
 273   struct page_info {
 274     size_t size;
 275     int lgrp_id;
 276   };
 277   static bool   get_page_info(char *start, page_info* info);
 278   static char*  scan_pages(char *start, char* end, page_info* page_expected, page_info* page_found);
 279 


src/share/vm/runtime/os.hpp
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