--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/c1/c1_Runtime1.hpp Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,190 @@
+/*
+ * Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+class StubAssembler;
+
+// The Runtime1 holds all assembly stubs and VM
+// runtime routines needed by code code generated
+// by the Compiler1.
+
+#define RUNTIME1_STUBS(stub, last_entry) \
+ stub(dtrace_object_alloc) \
+ stub(unwind_exception) \
+ stub(forward_exception) \
+ stub(throw_range_check_failed) /* throws ArrayIndexOutOfBoundsException */ \
+ stub(throw_index_exception) /* throws IndexOutOfBoundsException */ \
+ stub(throw_div0_exception) \
+ stub(throw_null_pointer_exception) \
+ stub(register_finalizer) \
+ stub(new_instance) \
+ stub(fast_new_instance) \
+ stub(fast_new_instance_init_check) \
+ stub(new_type_array) \
+ stub(new_object_array) \
+ stub(new_multi_array) \
+ stub(handle_exception_nofpu) /* optimized version that does not preserve fpu registers */ \
+ stub(handle_exception) \
+ stub(throw_array_store_exception) \
+ stub(throw_class_cast_exception) \
+ stub(throw_incompatible_class_change_error) \
+ stub(slow_subtype_check) \
+ stub(monitorenter) \
+ stub(monitorenter_nofpu) /* optimized version that does not preserve fpu registers */ \
+ stub(monitorexit) \
+ stub(monitorexit_nofpu) /* optimized version that does not preserve fpu registers */ \
+ stub(access_field_patching) \
+ stub(load_klass_patching) \
+ stub(jvmti_exception_throw) \
+ stub(fpu2long_stub) \
+ stub(counter_overflow) \
+ last_entry(number_of_ids)
+
+#define DECLARE_STUB_ID(x) x ## _id ,
+#define DECLARE_LAST_STUB_ID(x) x
+#define STUB_NAME(x) #x " Runtime1 stub",
+#define LAST_STUB_NAME(x) #x " Runtime1 stub"
+
+class Runtime1: public AllStatic {
+ friend class VMStructs;
+ friend class ArrayCopyStub;
+ private:
+ static int desired_max_code_buffer_size() {
+ return (int) NMethodSizeLimit; // default 256K or 512K
+ }
+ static int desired_max_constant_size() {
+ return (int) NMethodSizeLimit / 10; // about 25K
+ }
+
+ // Note: This buffers is allocated once at startup since allocation
+ // for each compilation seems to be too expensive (at least on Intel
+ // win32).
+ static BufferBlob* _buffer_blob;
+
+ public:
+ enum StubID {
+ RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID)
+ };
+
+ // statistics
+#ifndef PRODUCT
+ static int _resolve_invoke_cnt;
+ static int _handle_wrong_method_cnt;
+ static int _ic_miss_cnt;
+ static int _generic_arraycopy_cnt;
+ static int _primitive_arraycopy_cnt;
+ static int _oop_arraycopy_cnt;
+ static int _arraycopy_slowcase_cnt;
+ static int _new_type_array_slowcase_cnt;
+ static int _new_object_array_slowcase_cnt;
+ static int _new_instance_slowcase_cnt;
+ static int _new_multi_array_slowcase_cnt;
+ static int _monitorenter_slowcase_cnt;
+ static int _monitorexit_slowcase_cnt;
+ static int _patch_code_slowcase_cnt;
+ static int _throw_range_check_exception_count;
+ static int _throw_index_exception_count;
+ static int _throw_div0_exception_count;
+ static int _throw_null_pointer_exception_count;
+ static int _throw_class_cast_exception_count;
+ static int _throw_incompatible_class_change_error_count;
+ static int _throw_array_store_exception_count;
+ static int _throw_count;
+#endif
+
+ private:
+ static bool _is_initialized;
+ static CodeBlob* _blobs[number_of_ids];
+ static const char* _blob_names[];
+
+ // stub generation
+ static void generate_blob_for(StubID id);
+ static OopMapSet* generate_code_for(StubID id, StubAssembler* masm);
+ static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument);
+ static void generate_handle_exception(StubAssembler *sasm, OopMapSet* oop_maps, OopMap* oop_map, bool ignore_fpu_registers = false);
+ static void generate_unwind_exception(StubAssembler *sasm);
+ static OopMapSet* generate_patching(StubAssembler* sasm, address target);
+
+ static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry,
+ Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
+
+ // runtime entry points
+ static void new_instance (JavaThread* thread, klassOopDesc* klass);
+ static void new_type_array (JavaThread* thread, klassOopDesc* klass, jint length);
+ static void new_object_array(JavaThread* thread, klassOopDesc* klass, jint length);
+ static void new_multi_array (JavaThread* thread, klassOopDesc* klass, int rank, jint* dims);
+
+#ifdef TIERED
+ static void counter_overflow(JavaThread* thread, int bci);
+#endif // TIERED
+
+ static void unimplemented_entry (JavaThread* thread, StubID id);
+
+ static address exception_handler_for_pc(JavaThread* thread);
+ static void post_jvmti_exception_throw(JavaThread* thread);
+
+ static void throw_range_check_exception(JavaThread* thread, int index);
+ static void throw_index_exception(JavaThread* thread, int index);
+ static void throw_div0_exception(JavaThread* thread);
+ static void throw_null_pointer_exception(JavaThread* thread);
+ static void throw_class_cast_exception(JavaThread* thread, oopDesc* obect);
+ static void throw_incompatible_class_change_error(JavaThread* thread);
+ static void throw_array_store_exception(JavaThread* thread);
+
+ static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock);
+ static void monitorexit (JavaThread* thread, BasicObjectLock* lock);
+
+ static int access_field_patching(JavaThread* thread);
+ static int move_klass_patching(JavaThread* thread);
+
+ static void patch_code(JavaThread* thread, StubID stub_id);
+
+ public:
+ static BufferBlob* get_buffer_blob();
+ static void setup_code_buffer(CodeBuffer* cb, int call_stub_estimate);
+
+ // initialization
+ static bool is_initialized() { return _is_initialized; }
+ static void initialize();
+ static void initialize_pd();
+
+ // stubs
+ static CodeBlob* blob_for (StubID id);
+ static address entry_for(StubID id) { return blob_for(id)->instructions_begin(); }
+ static const char* name_for (StubID id);
+ static const char* name_for_address(address entry);
+
+ // method tracing
+ static void trace_block_entry(jint block_id);
+
+#ifndef PRODUCT
+ static address throw_count_address() { return (address)&_throw_count; }
+#endif
+
+ // directly accessible leaf routine
+ static int arraycopy(oopDesc* src, int src_pos, oopDesc* dst, int dst_pos, int length);
+ static void primitive_arraycopy(HeapWord* src, HeapWord* dst, int length);
+ static void oop_arraycopy(HeapWord* src, HeapWord* dst, int length);
+
+ static void print_statistics() PRODUCT_RETURN;
+};