APR_DECLARE(apr_status_t) port_vmem_reserve(port_vmem_t **block, void **address,
size_t amount, unsigned int mode,
size_t pageSize, apr_pool_t *pool){
void *start = 0;
DWORD action = MEM_RESERVE;
DWORD protection = PAGE_NOACCESS;
int large = 0;
size_t* ps = port_vmem_page_sizes();
if ((pageSize == PORT_VMEM_PAGESIZE_LARGE && ps[1] != 0)
|| pageSize > ps[0]) {
/* Using large pages on Win64 seems to require MEM_COMMIT and PAGE_READWRITE.*/
action = MEM_COMMIT | MEM_LARGE_PAGES;
protection = PAGE_READWRITE;
large = 1;
}
start = VirtualAlloc(*address, amount, action, protection);
if (!start) {
return apr_get_os_error();
}
*block = apr_palloc(pool, sizeof(port_vmem_t));
(*block)->pool = pool;
(*block)->start = start;
(*block)->size = amount;
(*block)->protection = convertProtectionMask(mode);
(*block)->large = large;
*address = start;
return APR_SUCCESS;
}
BasePoolManager::BasePoolManager(size_t initial_size,
bool use_large_pages,
bool is_code) :
_use_large_pages(use_large_pages),
_default_pool_size(initial_size),
_is_code(is_code)
{
size_t* ps = port_vmem_page_sizes();
_page_size = ps[0];
if (_use_large_pages && ps[1] != 0)
_page_size = ps[1];
VERIFY_SUCCESS(apr_pool_create(&aux_pool, 0));
VERIFY_SUCCESS(apr_thread_mutex_create(&aux_mutex, APR_THREAD_MUTEX_NESTED, aux_pool));
#ifdef VM_STATS
VM_Statistics::get_vm_stats().number_memorymanager_created++;
#endif
}
APR_DECLARE(apr_status_t) port_vmem_reserve(port_vmem_t **block, void **address,
size_t size, unsigned int mode,
size_t page, apr_pool_t *pool) {
void *start = 0;
if (PORT_VMEM_PAGESIZE_DEFAULT == page || PORT_VMEM_PAGESIZE_LARGE == page) {
page = port_vmem_page_sizes()[0];
}
int protection = convertProtectionBits(mode);
errno = 0;
size = (size + page - 1) & ~(page - 1); /* Align */
#ifdef MAP_ANONYMOUS
start = mmap(*address, size, protection, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
#elif defined(MAP_ANON)
start = mmap(*address, size, protection, MAP_PRIVATE | MAP_ANON, -1, 0);
#else
int fd = open("/dev/zero", O_RDONLY);
start = mmap(*address, size, protection, MAP_PRIVATE, fd, 0);
close(fd);
#endif
if (MAP_FAILED == start) {
return apr_get_os_error();
}
*block = apr_palloc(pool, sizeof(port_vmem_t));
(*block)->pool = pool;
(*block)->start = start;
(*block)->size = size;
(*block)->page = page;
(*block)->protection = protection;
*address = start;
return APR_SUCCESS;
}
APR_DECLARE(size_t) port_vmem_committed_size(){
char* buf = (char*) malloc(PATH_MAX + 1);
size_t vmem = 0;
pid_t my_pid = getpid();
sprintf(buf, "/proc/%d/statm", my_pid);
FILE* file = fopen(buf, "r");
if (!file) {
goto cleanup;
}
size_t size = 0;
ssize_t len = getline(&buf, &size, file);
fclose(file);
if (len == -1) {
goto cleanup;
}
sscanf(buf, "%lu", &vmem);
cleanup:
free(buf);
return vmem * port_vmem_page_sizes()[0];
}
Global_Env::Global_Env(apr_pool_t * pool, size_t string_pool_size):
mem_pool(pool),
bootstrap_class_loader(NULL),
system_class_loader(NULL),
TI(NULL),
nsoTable(NULL),
portLib(NULL),
dcList(NULL),
assert_reg(NULL),
string_pool(string_pool_size),
total_loaded_class_count(0),
unloaded_class_count(0),
total_compilation_time(0),
bootstrapping(false),
ready_for_exceptions(false)
{
// TODO: Use proper MM.
m_java_properties = new Properties();
m_vm_properties = new Properties();
bootstrap_class_loader = new BootstrapClassLoader(this);
hythread_lib_create(&hythread_lib);
#if defined _IPF_ || defined _EM64T_
compact_fields = true;
sort_fields = true;
#else // !_IPF_
compact_fields = false;
sort_fields = false;
#endif // !IPF_
heap_base = heap_end = managed_null = NULL;
JavaLangString_String = string_pool.lookup("java/lang/String");
JavaLangStringBuffer_String = string_pool.lookup("java/lang/StringBuffer");
JavaLangObject_String = string_pool.lookup("java/lang/Object");
JavaLangClass_String = string_pool.lookup("java/lang/Class");
VoidVoidDescriptor_String = string_pool.lookup("()V");
VoidBooleanDescriptor_String = string_pool.lookup("()Z");
VoidIntegerDescriptor_String = string_pool.lookup("()I");
JavaLangThrowable_String = string_pool.lookup("java/lang/Throwable");
JavaLangNoClassDefFoundError_String = string_pool.lookup("java/lang/NoClassDefFoundError");
JavaLangArrayIndexOutOfBoundsException_String = string_pool.lookup("java/lang/ArrayIndexOutOfBoundsException");
JavaNioByteBuffer_String = string_pool.lookup("java/nio/ByteBuffer");
JavaLangIllegalArgumentException_String = string_pool.lookup("java/lang/IllegalArgumentException");
JavaLangReflectField_String = string_pool.lookup("java/lang/reflect/Field");
JavaLangReflectConstructor_String = string_pool.lookup("java/lang/reflect/Constructor");
JavaLangReflectMethod_String = string_pool.lookup("java/lang/reflect/Method");
JavaLangUnsatisfiedLinkError_String = string_pool.lookup("java/lang/UnsatisfiedLinkError");
JavaLangNullPointerException_String = string_pool.lookup("java/lang/NullPointerException");
Init_String = string_pool.lookup("<init>");
Clinit_String = string_pool.lookup("<clinit>");
FinalizeName_String = string_pool.lookup("finalize");
EnqueueName_String = string_pool.lookup("enqueue");
Clonable_String = string_pool.lookup("java/lang/Cloneable");
Serializable_String = string_pool.lookup("java/io/Serializable");
Detach_String = string_pool.lookup("detach");
DetachDescriptor_String = string_pool.lookup("(Ljava/lang/Throwable;)V");
GetUncaughtExceptionHandler_String = string_pool.lookup("getUncaughtExceptionHandler");
GetUncaughtExceptionHandlerDescriptor_String = string_pool.lookup("()Ljava/lang/Thread$UncaughtExceptionHandler;");
UncaughtException_String = string_pool.lookup("uncaughtException");
UncaughtExceptionDescriptor_String = string_pool.lookup("(Ljava/lang/Thread;Ljava/lang/Throwable;)V");
GetDefaultUncaughtExceptionHandler_String = string_pool.lookup("getDefaultUncaughtExceptionHandler");
GetDefaultUncaughtExceptionHandlerDescriptor_String = string_pool.lookup("()Ljava/lang/Thread$UncaughtExceptionHandler;");
GetName_String = string_pool.lookup("getName");
GetNameDescriptor_String = string_pool.lookup("()Ljava/lang/String;");
Remove_String = string_pool.lookup("remove");
RemoveDescriptor_String = string_pool.lookup("(Ljava/lang/Thread;)V");
LLRemove_String = string_pool.lookup("remove");
LLRemoveDescriptor_String = string_pool.lookup("(Ljava/lang/Object;)Z");
Length_String = string_pool.lookup("length");
LoadClass_String = string_pool.lookup("loadClass");
InitCause_String = string_pool.lookup("initCause");
FromStringConstructorDescriptor_String = string_pool.lookup("(Ljava/lang/String;)V");
LoadClassDescriptor_String = string_pool.lookup("(Ljava/lang/String;)Ljava/lang/Class;");
InitCauseDescriptor_String = string_pool.lookup("(Ljava/lang/Throwable;)Ljava/lang/Throwable;");
//
// globals
//
// HT support from command line disabled. VM should automatically detect HT status at startup.
is_hyperthreading_enabled = false;
use_lil_stubs = true;
#ifdef REFS_USE_RUNTIME_SWITCH
#ifdef POINTER64
compress_references = true;
#else // POINTER64
compress_references = false;
#endif // POINTER64
#endif // REFS_USE_RUNTIME_SWITCH
strings_are_compressed = false;
// page size detection
use_large_pages = false;
size_t *ps = port_vmem_page_sizes();
if (ps[1] != 0 && use_large_pages) {
system_page_size = ps[1];
}
else {
system_page_size = ps[0];
}
verify_all = false;
verify_strict = false;
verify = true;
pin_interned_strings = false;
retain_invisible_annotations = false;
// initialize critical sections
p_jit_a_method_lock = new Lock_Manager();
p_vtable_patch_lock = new Lock_Manager();
p_handle_lock = new Lock_Manager();
p_method_call_lock = new Lock_Manager();
p_dclist_lock = new Lock_Manager();
p_suspend_lock = new Lock_Manager();
//
// preloaded classes
//
Boolean_Class = NULL;
Char_Class = NULL;
Float_Class = NULL;
Double_Class = NULL;
Byte_Class = NULL;
Short_Class = NULL;
Int_Class = NULL;
Long_Class = NULL;
ArrayOfBoolean_Class = NULL;
ArrayOfChar_Class = NULL;
ArrayOfFloat_Class = NULL;
ArrayOfDouble_Class = NULL;
ArrayOfByte_Class = NULL;
ArrayOfShort_Class = NULL;
ArrayOfInt_Class = NULL;
ArrayOfLong_Class = NULL;
JavaLangObject_Class = NULL;
JavaLangString_Class = NULL;
JavaLangClass_Class = NULL;
java_lang_Throwable_Class = NULL;
java_lang_Error_Class = NULL;
java_lang_ExceptionInInitializerError_Class = NULL;
java_lang_NullPointerException_Class = NULL;
java_lang_StackOverflowError_Class = NULL;
java_lang_ArrayIndexOutOfBoundsException_Class = NULL;
java_lang_ArrayStoreException_Class = NULL;
java_lang_ArithmeticException_Class = NULL;
java_lang_ClassCastException_Class = NULL;
java_lang_OutOfMemoryError_Class = NULL;
java_lang_InternalError_Class = NULL;
java_lang_ThreadDeath_Class = NULL;
java_lang_OutOfMemoryError = NULL;
popFrameException = NULL;
java_lang_FinalizerThread_Class = NULL;
java_io_Serializable_Class = NULL;
java_lang_Cloneable_Class = NULL;
java_lang_Thread_Class = NULL;
java_lang_ThreadGroup_Class = NULL;
java_lang_reflect_Constructor_Class = NULL;
java_lang_reflect_Field_Class = NULL;
java_lang_reflect_Method_Class = NULL;
JavaLangString_VTable = NULL;
java_security_ProtectionDomain_Class = NULL;
Class_domain_field_offset = 0;
vm_class_offset = 0;
vm_state = VM_INITIALIZING;
TI = new DebugUtilsTI;
NCAI = new GlobalNCAI;
nsoTable = nso_init_lookup_table(&string_pool);
} //Global_Env::Global_Env
