Mercurial > hg > truffle
annotate src/share/vm/c1/c1_Runtime1.hpp @ 1721:413ad0331a0c
6977924: Changes for 6975078 produce build error with certain gcc versions
Summary: The changes introduced for 6975078 assign badHeapOopVal to the _allocation field in the ResourceObj class. In 32 bit linux builds with certain versions of gcc this assignment will be flagged as an error while compiling allocation.cpp. In 32 bit builds the constant value badHeapOopVal (which is cast to an intptr_t) is negative. The _allocation field is typed as an unsigned intptr_t and gcc catches this as an error.
Reviewed-by: jcoomes, ysr, phh
| author | johnc |
|---|---|
| date | Wed, 18 Aug 2010 10:59:06 -0700 |
| parents | 126ea7725993 |
| children | 3e8fbc61cee8 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 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) \ | |
| 63 last_entry(number_of_ids) | |
| 64 | |
| 65 #define DECLARE_STUB_ID(x) x ## _id , | |
| 66 #define DECLARE_LAST_STUB_ID(x) x | |
| 67 #define STUB_NAME(x) #x " Runtime1 stub", | |
| 68 #define LAST_STUB_NAME(x) #x " Runtime1 stub" | |
| 69 | |
| 70 class Runtime1: public AllStatic { | |
| 71 friend class VMStructs; | |
| 72 friend class ArrayCopyStub; | |
| 73 | |
| 74 public: | |
| 75 enum StubID { | |
| 76 RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID) | |
| 77 }; | |
| 78 | |
| 79 // statistics | |
| 80 #ifndef PRODUCT | |
| 81 static int _resolve_invoke_cnt; | |
| 82 static int _handle_wrong_method_cnt; | |
| 83 static int _ic_miss_cnt; | |
| 84 static int _generic_arraycopy_cnt; | |
| 85 static int _primitive_arraycopy_cnt; | |
| 86 static int _oop_arraycopy_cnt; | |
| 87 static int _arraycopy_slowcase_cnt; | |
| 88 static int _new_type_array_slowcase_cnt; | |
| 89 static int _new_object_array_slowcase_cnt; | |
| 90 static int _new_instance_slowcase_cnt; | |
| 91 static int _new_multi_array_slowcase_cnt; | |
| 92 static int _monitorenter_slowcase_cnt; | |
| 93 static int _monitorexit_slowcase_cnt; | |
| 94 static int _patch_code_slowcase_cnt; | |
| 95 static int _throw_range_check_exception_count; | |
| 96 static int _throw_index_exception_count; | |
| 97 static int _throw_div0_exception_count; | |
| 98 static int _throw_null_pointer_exception_count; | |
| 99 static int _throw_class_cast_exception_count; | |
| 100 static int _throw_incompatible_class_change_error_count; | |
| 101 static int _throw_array_store_exception_count; | |
| 102 static int _throw_count; | |
| 103 #endif | |
| 104 | |
| 105 private: | |
| 106 static CodeBlob* _blobs[number_of_ids]; | |
| 107 static const char* _blob_names[]; | |
| 108 | |
| 109 // stub generation | |
| 1584 | 110 static void generate_blob_for(BufferBlob* blob, StubID id); |
| 0 | 111 static OopMapSet* generate_code_for(StubID id, StubAssembler* masm); |
| 112 static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument); | |
| 113 static void generate_handle_exception(StubAssembler *sasm, OopMapSet* oop_maps, OopMap* oop_map, bool ignore_fpu_registers = false); | |
| 114 static void generate_unwind_exception(StubAssembler *sasm); | |
| 115 static OopMapSet* generate_patching(StubAssembler* sasm, address target); | |
| 116 | |
| 117 static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry, | |
| 118 Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg); | |
| 119 | |
| 120 // runtime entry points | |
| 121 static void new_instance (JavaThread* thread, klassOopDesc* klass); | |
| 122 static void new_type_array (JavaThread* thread, klassOopDesc* klass, jint length); | |
| 123 static void new_object_array(JavaThread* thread, klassOopDesc* klass, jint length); | |
| 124 static void new_multi_array (JavaThread* thread, klassOopDesc* klass, int rank, jint* dims); | |
| 125 | |
| 126 #ifdef TIERED | |
| 127 static void counter_overflow(JavaThread* thread, int bci); | |
| 128 #endif // TIERED | |
| 129 | |
| 130 static void unimplemented_entry (JavaThread* thread, StubID id); | |
| 131 | |
| 132 static address exception_handler_for_pc(JavaThread* thread); | |
| 133 static void post_jvmti_exception_throw(JavaThread* thread); | |
| 134 | |
| 135 static void throw_range_check_exception(JavaThread* thread, int index); | |
| 136 static void throw_index_exception(JavaThread* thread, int index); | |
| 137 static void throw_div0_exception(JavaThread* thread); | |
| 138 static void throw_null_pointer_exception(JavaThread* thread); | |
| 139 static void throw_class_cast_exception(JavaThread* thread, oopDesc* obect); | |
| 140 static void throw_incompatible_class_change_error(JavaThread* thread); | |
| 141 static void throw_array_store_exception(JavaThread* thread); | |
| 142 | |
| 143 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock); | |
| 144 static void monitorexit (JavaThread* thread, BasicObjectLock* lock); | |
| 145 | |
| 146 static int access_field_patching(JavaThread* thread); | |
| 147 static int move_klass_patching(JavaThread* thread); | |
| 148 | |
| 149 static void patch_code(JavaThread* thread, StubID stub_id); | |
| 150 | |
| 151 public: | |
| 152 // initialization | |
| 1584 | 153 static void initialize(BufferBlob* blob); |
| 0 | 154 static void initialize_pd(); |
| 155 | |
| 156 // stubs | |
| 157 static CodeBlob* blob_for (StubID id); | |
| 158 static address entry_for(StubID id) { return blob_for(id)->instructions_begin(); } | |
| 159 static const char* name_for (StubID id); | |
| 160 static const char* name_for_address(address entry); | |
| 161 | |
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162 // platform might add runtime names. |
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163 static const char* pd_name_for_address(address entry); |
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164 |
| 0 | 165 // method tracing |
| 166 static void trace_block_entry(jint block_id); | |
| 167 | |
| 168 #ifndef PRODUCT | |
| 169 static address throw_count_address() { return (address)&_throw_count; } | |
| 170 #endif | |
| 171 | |
| 172 // directly accessible leaf routine | |
| 173 static int arraycopy(oopDesc* src, int src_pos, oopDesc* dst, int dst_pos, int length); | |
| 174 static void primitive_arraycopy(HeapWord* src, HeapWord* dst, int length); | |
| 175 static void oop_arraycopy(HeapWord* src, HeapWord* dst, int length); | |
| 176 | |
| 177 static void print_statistics() PRODUCT_RETURN; | |
| 178 }; |