Mercurial > hg > graal-jvmci-8
annotate src/share/vm/c1/c1_Runtime1.hpp @ 1429:abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
* -Dc1x.debug=true turns on the logging proxies and lots of log output on the java side
* provide more information about types to the compiler (type hierarchy, etc)
* provide exception handler tables to the compiler
* add exception handlers to the nmethod
* correct implementation of ExceptionObject
* exception handling/unwinding entry points
* modified versions of handle/unwind exception stubs using standard calling conventions
* exception throwing
* implicit null pointer exception, implicit div by 0 exception
* arraystore/classcast/arrayindex exceptions
* checkcast implementation
* newarray, anewarray, multinewarray implementation
* correct new instance initialization
* access to java class mirrors (for ldc)
* unresolved methods
* class resolving - class patching (asssembly prototype copying)
| author | Lukas Stadler <lukas.stadler@oracle.com> |
|---|---|
| date | Tue, 31 Aug 2010 22:13:30 -0700 |
| parents | 37f87013dfd8 |
| children | 72cfb36c6bb2 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 class StubAssembler; | |
| 26 | |
| 27 // The Runtime1 holds all assembly stubs and VM | |
| 28 // runtime routines needed by code code generated | |
| 29 // by the Compiler1. | |
| 30 | |
| 31 #define RUNTIME1_STUBS(stub, last_entry) \ | |
| 32 stub(dtrace_object_alloc) \ | |
| 33 stub(unwind_exception) \ | |
| 34 stub(forward_exception) \ | |
| 35 stub(throw_range_check_failed) /* throws ArrayIndexOutOfBoundsException */ \ | |
| 36 stub(throw_index_exception) /* throws IndexOutOfBoundsException */ \ | |
| 37 stub(throw_div0_exception) \ | |
| 38 stub(throw_null_pointer_exception) \ | |
| 39 stub(register_finalizer) \ | |
| 40 stub(new_instance) \ | |
| 41 stub(fast_new_instance) \ | |
| 42 stub(fast_new_instance_init_check) \ | |
| 43 stub(new_type_array) \ | |
| 44 stub(new_object_array) \ | |
| 45 stub(new_multi_array) \ | |
| 46 stub(handle_exception_nofpu) /* optimized version that does not preserve fpu registers */ \ | |
| 47 stub(handle_exception) \ | |
| 48 stub(throw_array_store_exception) \ | |
| 49 stub(throw_class_cast_exception) \ | |
| 50 stub(throw_incompatible_class_change_error) \ | |
| 51 stub(slow_subtype_check) \ | |
| 52 stub(monitorenter) \ | |
| 53 stub(monitorenter_nofpu) /* optimized version that does not preserve fpu registers */ \ | |
| 54 stub(monitorexit) \ | |
| 55 stub(monitorexit_nofpu) /* optimized version that does not preserve fpu registers */ \ | |
| 56 stub(access_field_patching) \ | |
| 57 stub(load_klass_patching) \ | |
| 58 stub(jvmti_exception_throw) \ | |
| 342 | 59 stub(g1_pre_barrier_slow) \ |
| 60 stub(g1_post_barrier_slow) \ | |
| 0 | 61 stub(fpu2long_stub) \ |
| 62 stub(counter_overflow) \ | |
|
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
342
diff
changeset
|
63 stub(c1x_unwind_exception_call) \ |
|
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
342
diff
changeset
|
64 stub(c1x_handle_exception) \ |
|
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
342
diff
changeset
|
65 stub(c1x_global_implicit_null) \ |
|
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
342
diff
changeset
|
66 stub(c1x_throw_div0_exception) \ |
|
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
342
diff
changeset
|
67 stub(c1x_slow_subtype_check) \ |
| 0 | 68 last_entry(number_of_ids) |
| 69 | |
| 70 #define DECLARE_STUB_ID(x) x ## _id , | |
| 71 #define DECLARE_LAST_STUB_ID(x) x | |
| 72 #define STUB_NAME(x) #x " Runtime1 stub", | |
| 73 #define LAST_STUB_NAME(x) #x " Runtime1 stub" | |
| 74 | |
| 75 class Runtime1: public AllStatic { | |
| 76 friend class VMStructs; | |
| 77 friend class ArrayCopyStub; | |
| 78 private: | |
| 79 static int desired_max_code_buffer_size() { | |
| 80 return (int) NMethodSizeLimit; // default 256K or 512K | |
| 81 } | |
| 82 static int desired_max_constant_size() { | |
| 83 return (int) NMethodSizeLimit / 10; // about 25K | |
| 84 } | |
| 85 | |
| 86 // Note: This buffers is allocated once at startup since allocation | |
| 87 // for each compilation seems to be too expensive (at least on Intel | |
| 88 // win32). | |
| 89 static BufferBlob* _buffer_blob; | |
| 90 | |
| 91 public: | |
| 92 enum StubID { | |
| 93 RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID) | |
| 94 }; | |
| 95 | |
| 96 // statistics | |
| 97 #ifndef PRODUCT | |
| 98 static int _resolve_invoke_cnt; | |
| 99 static int _handle_wrong_method_cnt; | |
| 100 static int _ic_miss_cnt; | |
| 101 static int _generic_arraycopy_cnt; | |
| 102 static int _primitive_arraycopy_cnt; | |
| 103 static int _oop_arraycopy_cnt; | |
| 104 static int _arraycopy_slowcase_cnt; | |
| 105 static int _new_type_array_slowcase_cnt; | |
| 106 static int _new_object_array_slowcase_cnt; | |
| 107 static int _new_instance_slowcase_cnt; | |
| 108 static int _new_multi_array_slowcase_cnt; | |
| 109 static int _monitorenter_slowcase_cnt; | |
| 110 static int _monitorexit_slowcase_cnt; | |
| 111 static int _patch_code_slowcase_cnt; | |
| 112 static int _throw_range_check_exception_count; | |
| 113 static int _throw_index_exception_count; | |
| 114 static int _throw_div0_exception_count; | |
| 115 static int _throw_null_pointer_exception_count; | |
| 116 static int _throw_class_cast_exception_count; | |
| 117 static int _throw_incompatible_class_change_error_count; | |
| 118 static int _throw_array_store_exception_count; | |
| 119 static int _throw_count; | |
| 120 #endif | |
| 121 | |
| 122 private: | |
| 123 static bool _is_initialized; | |
| 124 static CodeBlob* _blobs[number_of_ids]; | |
| 125 static const char* _blob_names[]; | |
| 126 | |
| 127 // stub generation | |
| 128 static void generate_blob_for(StubID id); | |
| 129 static OopMapSet* generate_code_for(StubID id, StubAssembler* masm); | |
| 130 static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument); | |
| 131 static void generate_handle_exception(StubAssembler *sasm, OopMapSet* oop_maps, OopMap* oop_map, bool ignore_fpu_registers = false); | |
|
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
342
diff
changeset
|
132 static void c1x_generate_handle_exception(StubAssembler *sasm, OopMapSet* oop_maps, OopMap* oop_map); |
| 0 | 133 static void generate_unwind_exception(StubAssembler *sasm); |
| 134 static OopMapSet* generate_patching(StubAssembler* sasm, address target); | |
| 135 | |
| 136 static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry, | |
| 137 Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg); | |
| 138 | |
| 139 // runtime entry points | |
| 140 static void new_instance (JavaThread* thread, klassOopDesc* klass); | |
| 141 static void new_type_array (JavaThread* thread, klassOopDesc* klass, jint length); | |
| 142 static void new_object_array(JavaThread* thread, klassOopDesc* klass, jint length); | |
| 143 static void new_multi_array (JavaThread* thread, klassOopDesc* klass, int rank, jint* dims); | |
| 144 | |
| 145 #ifdef TIERED | |
| 146 static void counter_overflow(JavaThread* thread, int bci); | |
| 147 #endif // TIERED | |
| 148 | |
| 149 static void unimplemented_entry (JavaThread* thread, StubID id); | |
| 150 | |
| 151 static address exception_handler_for_pc(JavaThread* thread); | |
| 152 static void post_jvmti_exception_throw(JavaThread* thread); | |
| 153 | |
| 154 static void throw_range_check_exception(JavaThread* thread, int index); | |
| 155 static void throw_index_exception(JavaThread* thread, int index); | |
| 156 static void throw_div0_exception(JavaThread* thread); | |
| 157 static void throw_null_pointer_exception(JavaThread* thread); | |
| 158 static void throw_class_cast_exception(JavaThread* thread, oopDesc* obect); | |
| 159 static void throw_incompatible_class_change_error(JavaThread* thread); | |
| 160 static void throw_array_store_exception(JavaThread* thread); | |
| 161 | |
| 162 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock); | |
| 163 static void monitorexit (JavaThread* thread, BasicObjectLock* lock); | |
| 164 | |
| 165 static int access_field_patching(JavaThread* thread); | |
| 166 static int move_klass_patching(JavaThread* thread); | |
| 167 | |
| 168 static void patch_code(JavaThread* thread, StubID stub_id); | |
| 169 | |
| 170 public: | |
| 171 static BufferBlob* get_buffer_blob(); | |
| 172 static void setup_code_buffer(CodeBuffer* cb, int call_stub_estimate); | |
| 173 | |
| 174 // initialization | |
| 175 static bool is_initialized() { return _is_initialized; } | |
| 176 static void initialize(); | |
| 177 static void initialize_pd(); | |
| 178 | |
| 179 // stubs | |
| 180 static CodeBlob* blob_for (StubID id); | |
| 181 static address entry_for(StubID id) { return blob_for(id)->instructions_begin(); } | |
| 182 static const char* name_for (StubID id); | |
| 183 static const char* name_for_address(address entry); | |
| 184 | |
| 185 // method tracing | |
| 186 static void trace_block_entry(jint block_id); | |
| 187 | |
| 188 #ifndef PRODUCT | |
| 189 static address throw_count_address() { return (address)&_throw_count; } | |
| 190 #endif | |
| 191 | |
| 192 // directly accessible leaf routine | |
| 193 static int arraycopy(oopDesc* src, int src_pos, oopDesc* dst, int dst_pos, int length); | |
| 194 static void primitive_arraycopy(HeapWord* src, HeapWord* dst, int length); | |
| 195 static void oop_arraycopy(HeapWord* src, HeapWord* dst, int length); | |
| 196 | |
| 197 static void print_statistics() PRODUCT_RETURN; | |
| 198 }; |