equal
deleted
inserted
replaced
94 // Executable parameter flag for os::commit_memory() and |
94 // Executable parameter flag for os::commit_memory() and |
95 // os::commit_memory_or_exit(). |
95 // os::commit_memory_or_exit(). |
96 const bool ExecMem = true; |
96 const bool ExecMem = true; |
97 |
97 |
98 // Typedef for structured exception handling support |
98 // Typedef for structured exception handling support |
99 typedef void (*java_call_t)(JavaValue* value, methodHandle* method, JavaCallArguments* args, Thread* thread); |
99 typedef void (*java_call_t)(JavaValue* value, const methodHandle& method, JavaCallArguments* args, Thread* thread); |
100 |
100 |
101 class MallocTracker; |
101 class MallocTracker; |
102 |
102 |
103 class os: AllStatic { |
103 class os: AllStatic { |
104 friend class VMStructs; |
104 friend class VMStructs; |
261 // exception processing) There are guard pages, and above that shadow |
261 // exception processing) There are guard pages, and above that shadow |
262 // pages for stack overflow checking. |
262 // pages for stack overflow checking. |
263 static bool uses_stack_guard_pages(); |
263 static bool uses_stack_guard_pages(); |
264 static bool allocate_stack_guard_pages(); |
264 static bool allocate_stack_guard_pages(); |
265 static void bang_stack_shadow_pages(); |
265 static void bang_stack_shadow_pages(); |
266 static bool stack_shadow_pages_available(Thread *thread, methodHandle method); |
266 static bool stack_shadow_pages_available(Thread *thread, const methodHandle& method); |
267 |
267 |
268 // OS interface to Virtual Memory |
268 // OS interface to Virtual Memory |
269 |
269 |
270 // Return the default page size. |
270 // Return the default page size. |
271 static int vm_page_size(); |
271 static int vm_page_size(); |
720 // random number generation |
720 // random number generation |
721 static long random(); // return 32bit pseudorandom number |
721 static long random(); // return 32bit pseudorandom number |
722 static void init_random(long initval); // initialize random sequence |
722 static void init_random(long initval); // initialize random sequence |
723 |
723 |
724 // Structured OS Exception support |
724 // Structured OS Exception support |
725 static void os_exception_wrapper(java_call_t f, JavaValue* value, methodHandle* method, JavaCallArguments* args, Thread* thread); |
725 static void os_exception_wrapper(java_call_t f, JavaValue* value, const methodHandle& method, JavaCallArguments* args, Thread* thread); |
726 |
726 |
727 // On Posix compatible OS it will simply check core dump limits while on Windows |
727 // On Posix compatible OS it will simply check core dump limits while on Windows |
728 // it will check if dump file can be created. Check or prepare a core dump to be |
728 // it will check if dump file can be created. Check or prepare a core dump to be |
729 // taken at a later point in the same thread in os::abort(). Use the caller |
729 // taken at a later point in the same thread in os::abort(). Use the caller |
730 // provided buffer as a scratch buffer. The status message which will be written |
730 // provided buffer as a scratch buffer. The status message which will be written |