src/share/vm/runtime/javaCalls.hpp

Wed, 01 Dec 2010 15:04:06 +0100

author
stefank
date
Wed, 01 Dec 2010 15:04:06 +0100
changeset 2325
c760f78e0a53
parent 2314
f95d63e2154a
child 2497
3582bf76420e
permissions
-rw-r--r--

7003125: precompiled.hpp is included when precompiled headers are not used
Summary: Added an ifndef DONT_USE_PRECOMPILED_HEADER to precompiled.hpp. Set up DONT_USE_PRECOMPILED_HEADER when compiling with Sun Studio or when the user specifies USE_PRECOMPILED_HEADER=0. Fixed broken include dependencies.
Reviewed-by: coleenp, kvn

duke@435 1 /*
stefank@2314 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #ifndef SHARE_VM_RUNTIME_JAVACALLS_HPP
stefank@2314 26 #define SHARE_VM_RUNTIME_JAVACALLS_HPP
stefank@2314 27
stefank@2314 28 #include "memory/allocation.hpp"
stefank@2314 29 #include "oops/methodOop.hpp"
stefank@2314 30 #include "runtime/handles.hpp"
stefank@2314 31 #include "runtime/javaFrameAnchor.hpp"
stefank@2314 32 #include "runtime/vmThread.hpp"
stefank@2314 33 #ifdef TARGET_ARCH_x86
stefank@2314 34 # include "jniTypes_x86.hpp"
stefank@2314 35 #endif
stefank@2314 36 #ifdef TARGET_ARCH_sparc
stefank@2314 37 # include "jniTypes_sparc.hpp"
stefank@2314 38 #endif
stefank@2314 39 #ifdef TARGET_ARCH_zero
stefank@2314 40 # include "jniTypes_zero.hpp"
stefank@2314 41 #endif
stefank@2314 42 #ifdef TARGET_OS_FAMILY_linux
stefank@2314 43 # include "thread_linux.inline.hpp"
stefank@2314 44 #endif
stefank@2314 45 #ifdef TARGET_OS_FAMILY_solaris
stefank@2314 46 # include "thread_solaris.inline.hpp"
stefank@2314 47 #endif
stefank@2314 48 #ifdef TARGET_OS_FAMILY_windows
stefank@2314 49 # include "thread_windows.inline.hpp"
stefank@2314 50 #endif
stefank@2314 51
duke@435 52 // A JavaCallWrapper is constructed before each JavaCall and destructed after the call.
duke@435 53 // Its purpose is to allocate/deallocate a new handle block and to save/restore the last
duke@435 54 // Java fp/sp. A pointer to the JavaCallWrapper is stored on the stack.
duke@435 55
duke@435 56 class JavaCallWrapper: StackObj {
duke@435 57 friend class VMStructs;
duke@435 58 private:
duke@435 59 JavaThread* _thread; // the thread to which this call belongs
duke@435 60 JNIHandleBlock* _handles; // the saved handle block
duke@435 61 methodOop _callee_method; // to be able to collect arguments if entry frame is top frame
duke@435 62 oop _receiver; // the receiver of the call (if a non-static call)
duke@435 63
duke@435 64 JavaFrameAnchor _anchor; // last thread anchor state that we must restore
duke@435 65
duke@435 66 JavaValue* _result; // result value
duke@435 67
duke@435 68 public:
duke@435 69 // Construction/destruction
duke@435 70 JavaCallWrapper(methodHandle callee_method, Handle receiver, JavaValue* result, TRAPS);
duke@435 71 ~JavaCallWrapper();
duke@435 72
duke@435 73 // Accessors
duke@435 74 JavaThread* thread() const { return _thread; }
duke@435 75 JNIHandleBlock* handles() const { return _handles; }
duke@435 76
duke@435 77 JavaFrameAnchor* anchor(void) { return &_anchor; }
duke@435 78
duke@435 79 JavaValue* result() const { return _result; }
duke@435 80 // GC support
duke@435 81 methodOop callee_method() { return _callee_method; }
duke@435 82 oop receiver() { return _receiver; }
duke@435 83 void oops_do(OopClosure* f);
duke@435 84
duke@435 85 };
duke@435 86
duke@435 87
duke@435 88 // Encapsulates arguments to a JavaCall (faster, safer, and more convenient than using var-args)
duke@435 89 class JavaCallArguments : public StackObj {
duke@435 90 private:
duke@435 91 enum Constants {
duke@435 92 _default_size = 8 // Must be at least # of arguments in JavaCalls methods
duke@435 93 };
duke@435 94
duke@435 95 intptr_t _value_buffer [_default_size + 1];
duke@435 96 bool _is_oop_buffer[_default_size + 1];
duke@435 97
duke@435 98 intptr_t* _value;
duke@435 99 bool* _is_oop;
duke@435 100 int _size;
duke@435 101 int _max_size;
duke@435 102 bool _start_at_zero; // Support late setting of receiver
duke@435 103
duke@435 104 void initialize() {
duke@435 105 // Starts at first element to support set_receiver.
duke@435 106 _value = &_value_buffer[1];
duke@435 107 _is_oop = &_is_oop_buffer[1];
duke@435 108
duke@435 109 _max_size = _default_size;
duke@435 110 _size = 0;
duke@435 111 _start_at_zero = false;
duke@435 112 }
duke@435 113
duke@435 114 public:
duke@435 115 JavaCallArguments() { initialize(); }
duke@435 116
duke@435 117 JavaCallArguments(Handle receiver) {
duke@435 118 initialize();
duke@435 119 push_oop(receiver);
duke@435 120 }
duke@435 121
duke@435 122 JavaCallArguments(int max_size) {
duke@435 123 if (max_size > _default_size) {
duke@435 124 _value = NEW_RESOURCE_ARRAY(intptr_t, max_size + 1);
duke@435 125 _is_oop = NEW_RESOURCE_ARRAY(bool, max_size + 1);
twisti@1861 126
duke@435 127 // Reserve room for potential receiver in value and is_oop
duke@435 128 _value++; _is_oop++;
twisti@1861 129
duke@435 130 _max_size = max_size;
duke@435 131 _size = 0;
duke@435 132 _start_at_zero = false;
duke@435 133 } else {
duke@435 134 initialize();
duke@435 135 }
duke@435 136 }
duke@435 137
duke@435 138 inline void push_oop(Handle h) { _is_oop[_size] = true;
duke@435 139 JNITypes::put_obj((oop)h.raw_value(), _value, _size); }
duke@435 140
duke@435 141 inline void push_int(int i) { _is_oop[_size] = false;
duke@435 142 JNITypes::put_int(i, _value, _size); }
duke@435 143
duke@435 144 inline void push_double(double d) { _is_oop[_size] = false; _is_oop[_size + 1] = false;
duke@435 145 JNITypes::put_double(d, _value, _size); }
duke@435 146
duke@435 147 inline void push_long(jlong l) { _is_oop[_size] = false; _is_oop[_size + 1] = false;
duke@435 148 JNITypes::put_long(l, _value, _size); }
duke@435 149
duke@435 150 inline void push_float(float f) { _is_oop[_size] = false;
duke@435 151 JNITypes::put_float(f, _value, _size); }
duke@435 152
duke@435 153 // receiver
duke@435 154 Handle receiver() {
duke@435 155 assert(_size > 0, "must at least be one argument");
duke@435 156 assert(_is_oop[0], "first argument must be an oop");
duke@435 157 assert(_value[0] != 0, "receiver must be not-null");
duke@435 158 return Handle((oop*)_value[0], false);
duke@435 159 }
duke@435 160
duke@435 161 void set_receiver(Handle h) {
duke@435 162 assert(_start_at_zero == false, "can only be called once");
duke@435 163 _start_at_zero = true;
duke@435 164 _is_oop--;
duke@435 165 _value--;
duke@435 166 _size++;
duke@435 167 _is_oop[0] = true;
duke@435 168 _value[0] = (intptr_t)h.raw_value();
duke@435 169 }
duke@435 170
duke@435 171 // Converts all Handles to oops, and returns a reference to parameter vector
duke@435 172 intptr_t* parameters() ;
duke@435 173 int size_of_parameters() const { return _size; }
duke@435 174
duke@435 175 // Verify that pushed arguments fits a given method
poonam@900 176 void verify(methodHandle method, BasicType return_type, Thread *thread);
duke@435 177 };
duke@435 178
duke@435 179 // All calls to Java have to go via JavaCalls. Sets up the stack frame
duke@435 180 // and makes sure that the last_Java_frame pointers are chained correctly.
duke@435 181 //
duke@435 182
duke@435 183 class JavaCalls: AllStatic {
duke@435 184 static void call_helper(JavaValue* result, methodHandle* method, JavaCallArguments* args, TRAPS);
duke@435 185 public:
duke@435 186 // Optimized Constuctor call
duke@435 187 static void call_default_constructor(JavaThread* thread, methodHandle method, Handle receiver, TRAPS);
duke@435 188
duke@435 189 // call_special
duke@435 190 // ------------
duke@435 191 // The receiver must be first oop in argument list
duke@435 192 static void call_special(JavaValue* result, KlassHandle klass, symbolHandle name, symbolHandle signature, JavaCallArguments* args, TRAPS);
duke@435 193
duke@435 194 static void call_special(JavaValue* result, Handle receiver, KlassHandle klass, symbolHandle name, symbolHandle signature, TRAPS); // No args
duke@435 195 static void call_special(JavaValue* result, Handle receiver, KlassHandle klass, symbolHandle name, symbolHandle signature, Handle arg1, TRAPS);
duke@435 196 static void call_special(JavaValue* result, Handle receiver, KlassHandle klass, symbolHandle name, symbolHandle signature, Handle arg1, Handle arg2, TRAPS);
duke@435 197
duke@435 198 // virtual call
duke@435 199 // ------------
duke@435 200
duke@435 201 // The receiver must be first oop in argument list
duke@435 202 static void call_virtual(JavaValue* result, KlassHandle spec_klass, symbolHandle name, symbolHandle signature, JavaCallArguments* args, TRAPS);
duke@435 203
duke@435 204 static void call_virtual(JavaValue* result, Handle receiver, KlassHandle spec_klass, symbolHandle name, symbolHandle signature, TRAPS); // No args
duke@435 205 static void call_virtual(JavaValue* result, Handle receiver, KlassHandle spec_klass, symbolHandle name, symbolHandle signature, Handle arg1, TRAPS);
duke@435 206 static void call_virtual(JavaValue* result, Handle receiver, KlassHandle spec_klass, symbolHandle name, symbolHandle signature, Handle arg1, Handle arg2, TRAPS);
duke@435 207
duke@435 208 // Static call
duke@435 209 // -----------
duke@435 210 static void call_static(JavaValue* result, KlassHandle klass, symbolHandle name, symbolHandle signature, JavaCallArguments* args, TRAPS);
duke@435 211
duke@435 212 static void call_static(JavaValue* result, KlassHandle klass, symbolHandle name, symbolHandle signature, TRAPS);
duke@435 213 static void call_static(JavaValue* result, KlassHandle klass, symbolHandle name, symbolHandle signature, Handle arg1, TRAPS);
duke@435 214 static void call_static(JavaValue* result, KlassHandle klass, symbolHandle name, symbolHandle signature, Handle arg1, Handle arg2, TRAPS);
duke@435 215
duke@435 216 // Low-level interface
duke@435 217 static void call(JavaValue* result, methodHandle method, JavaCallArguments* args, TRAPS);
duke@435 218 };
stefank@2314 219
stefank@2314 220 #endif // SHARE_VM_RUNTIME_JAVACALLS_HPP

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