duke@435: /* dlong@7598: * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved. duke@435: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. duke@435: * duke@435: * This code is free software; you can redistribute it and/or modify it duke@435: * under the terms of the GNU General Public License version 2 only, as duke@435: * published by the Free Software Foundation. duke@435: * duke@435: * This code is distributed in the hope that it will be useful, but WITHOUT duke@435: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or duke@435: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License duke@435: * version 2 for more details (a copy is included in the LICENSE file that duke@435: * accompanied this code). duke@435: * duke@435: * You should have received a copy of the GNU General Public License version duke@435: * 2 along with this work; if not, write to the Free Software Foundation, duke@435: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. duke@435: * trims@1907: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA trims@1907: * or visit www.oracle.com if you need additional information or have any trims@1907: * questions. duke@435: * duke@435: */ duke@435: stefank@2314: #ifndef SHARE_VM_RUNTIME_STUBROUTINES_HPP stefank@2314: #define SHARE_VM_RUNTIME_STUBROUTINES_HPP stefank@2314: stefank@2314: #include "code/codeBlob.hpp" stefank@2314: #include "memory/allocation.hpp" stefank@2314: #include "runtime/frame.hpp" stefank@2314: #include "runtime/mutexLocker.hpp" stefank@2314: #include "runtime/stubCodeGenerator.hpp" stefank@2314: #include "utilities/top.hpp" stefank@2314: #ifdef TARGET_ARCH_x86 stefank@2314: # include "nativeInst_x86.hpp" stefank@2314: #endif stefank@2314: #ifdef TARGET_ARCH_sparc stefank@2314: # include "nativeInst_sparc.hpp" stefank@2314: #endif stefank@2314: #ifdef TARGET_ARCH_zero stefank@2314: # include "nativeInst_zero.hpp" stefank@2314: #endif bobv@2508: #ifdef TARGET_ARCH_arm bobv@2508: # include "nativeInst_arm.hpp" bobv@2508: #endif bobv@2508: #ifdef TARGET_ARCH_ppc bobv@2508: # include "nativeInst_ppc.hpp" bobv@2508: #endif stefank@2314: duke@435: // StubRoutines provides entry points to assembly routines used by duke@435: // compiled code and the run-time system. Platform-specific entry duke@435: // points are defined in the platform-specific inner class. duke@435: // duke@435: // Class scheme: duke@435: // duke@435: // platform-independent platform-dependent duke@435: // duke@435: // stubRoutines.hpp <-- included -- stubRoutines_.hpp duke@435: // ^ ^ duke@435: // | | duke@435: // implements implements duke@435: // | | duke@435: // | | duke@435: // stubRoutines.cpp stubRoutines_.cpp duke@435: // stubRoutines_.cpp stubGenerator_.cpp duke@435: // stubRoutines_.cpp duke@435: // duke@435: // Note 1: The important thing is a clean decoupling between stub duke@435: // entry points (interfacing to the whole vm; i.e., 1-to-n duke@435: // relationship) and stub generators (interfacing only to duke@435: // the entry points implementation; i.e., 1-to-1 relationship). duke@435: // This significantly simplifies changes in the generator duke@435: // structure since the rest of the vm is not affected. duke@435: // duke@435: // Note 2: stubGenerator_.cpp contains a minimal portion of duke@435: // machine-independent code; namely the generator calls of duke@435: // the generator functions that are used platform-independently. duke@435: // However, it comes with the advantage of having a 1-file duke@435: // implementation of the generator. It should be fairly easy duke@435: // to change, should it become a problem later. duke@435: // duke@435: // Scheme for adding a new entry point: duke@435: // duke@435: // 1. determine if it's a platform-dependent or independent entry point duke@435: // a) if platform independent: make subsequent changes in the independent files duke@435: // b) if platform dependent: make subsequent changes in the dependent files duke@435: // 2. add a private instance variable holding the entry point address duke@435: // 3. add a public accessor function to the instance variable duke@435: // 4. implement the corresponding generator function in the platform-dependent duke@435: // stubGenerator_.cpp file and call the function in generate_all() of that file duke@435: duke@435: duke@435: class StubRoutines: AllStatic { duke@435: duke@435: public: duke@435: enum platform_independent_constants { duke@435: max_size_of_parameters = 256 // max. parameter size supported by megamorphic lookups duke@435: }; duke@435: duke@435: // Dependencies duke@435: friend class StubGenerator; dlong@7598: #if defined STUBROUTINES_MD_HPP dlong@7598: # include STUBROUTINES_MD_HPP dlong@7598: #elif defined TARGET_ARCH_MODEL_x86_32 stefank@2314: # include "stubRoutines_x86_32.hpp" dlong@7598: #elif defined TARGET_ARCH_MODEL_x86_64 stefank@2314: # include "stubRoutines_x86_64.hpp" dlong@7598: #elif defined TARGET_ARCH_MODEL_sparc stefank@2314: # include "stubRoutines_sparc.hpp" dlong@7598: #elif defined TARGET_ARCH_MODEL_zero stefank@2314: # include "stubRoutines_zero.hpp" dlong@7598: #elif defined TARGET_ARCH_MODEL_ppc_64 goetz@6441: # include "stubRoutines_ppc_64.hpp" bobv@2508: #endif stefank@2314: duke@435: static jint _verify_oop_count; duke@435: static address _verify_oop_subroutine_entry; duke@435: duke@435: static address _call_stub_return_address; // the return PC, when returning to a call stub duke@435: static address _call_stub_entry; duke@435: static address _forward_exception_entry; duke@435: static address _catch_exception_entry; duke@435: static address _throw_AbstractMethodError_entry; dcubed@451: static address _throw_IncompatibleClassChangeError_entry; duke@435: static address _throw_NullPointerException_at_call_entry; duke@435: static address _throw_StackOverflowError_entry; duke@435: static address _handler_for_unsafe_access_entry; duke@435: duke@435: static address _atomic_xchg_entry; duke@435: static address _atomic_xchg_ptr_entry; duke@435: static address _atomic_store_entry; duke@435: static address _atomic_store_ptr_entry; duke@435: static address _atomic_cmpxchg_entry; duke@435: static address _atomic_cmpxchg_ptr_entry; duke@435: static address _atomic_cmpxchg_long_entry; duke@435: static address _atomic_add_entry; duke@435: static address _atomic_add_ptr_entry; duke@435: static address _fence_entry; duke@435: static address _d2i_wrapper; duke@435: static address _d2l_wrapper; duke@435: duke@435: static jint _fpu_cntrl_wrd_std; duke@435: static jint _fpu_cntrl_wrd_24; duke@435: static jint _fpu_cntrl_wrd_64; duke@435: static jint _fpu_cntrl_wrd_trunc; duke@435: static jint _mxcsr_std; duke@435: static jint _fpu_subnormal_bias1[3]; duke@435: static jint _fpu_subnormal_bias2[3]; duke@435: duke@435: static BufferBlob* _code1; // code buffer for initial routines duke@435: static BufferBlob* _code2; // code buffer for all other routines duke@435: duke@435: // Leaf routines which implement arraycopy and their addresses duke@435: // arraycopy operands aligned on element type boundary duke@435: static address _jbyte_arraycopy; duke@435: static address _jshort_arraycopy; duke@435: static address _jint_arraycopy; duke@435: static address _jlong_arraycopy; iveresov@2606: static address _oop_arraycopy, _oop_arraycopy_uninit; duke@435: static address _jbyte_disjoint_arraycopy; duke@435: static address _jshort_disjoint_arraycopy; duke@435: static address _jint_disjoint_arraycopy; duke@435: static address _jlong_disjoint_arraycopy; iveresov@2606: static address _oop_disjoint_arraycopy, _oop_disjoint_arraycopy_uninit; duke@435: duke@435: // arraycopy operands aligned on zero'th element boundary duke@435: // These are identical to the ones aligned aligned on an duke@435: // element type boundary, except that they assume that both duke@435: // source and destination are HeapWord aligned. duke@435: static address _arrayof_jbyte_arraycopy; duke@435: static address _arrayof_jshort_arraycopy; duke@435: static address _arrayof_jint_arraycopy; duke@435: static address _arrayof_jlong_arraycopy; iveresov@2606: static address _arrayof_oop_arraycopy, _arrayof_oop_arraycopy_uninit; duke@435: static address _arrayof_jbyte_disjoint_arraycopy; duke@435: static address _arrayof_jshort_disjoint_arraycopy; duke@435: static address _arrayof_jint_disjoint_arraycopy; duke@435: static address _arrayof_jlong_disjoint_arraycopy; iveresov@2606: static address _arrayof_oop_disjoint_arraycopy, _arrayof_oop_disjoint_arraycopy_uninit; duke@435: duke@435: // these are recommended but optional: iveresov@2606: static address _checkcast_arraycopy, _checkcast_arraycopy_uninit; duke@435: static address _unsafe_arraycopy; duke@435: static address _generic_arraycopy; duke@435: never@2118: static address _jbyte_fill; never@2118: static address _jshort_fill; never@2118: static address _jint_fill; never@2118: static address _arrayof_jbyte_fill; never@2118: static address _arrayof_jshort_fill; never@2118: static address _arrayof_jint_fill; never@2118: kvn@3092: // zero heap space aligned to jlong (8 bytes) kvn@3092: static address _zero_aligned_words; kvn@3092: kvn@4205: static address _aescrypt_encryptBlock; kvn@4205: static address _aescrypt_decryptBlock; kvn@4205: static address _cipherBlockChaining_encryptAESCrypt; kvn@4205: static address _cipherBlockChaining_decryptAESCrypt; ascarpino@9788: static address _ghash_processBlocks; kvn@4205: kvn@7027: static address _sha1_implCompress; kvn@7027: static address _sha1_implCompressMB; kvn@7027: static address _sha256_implCompress; kvn@7027: static address _sha256_implCompressMB; kvn@7027: static address _sha512_implCompress; kvn@7027: static address _sha512_implCompressMB; kvn@7027: drchase@5353: static address _updateBytesCRC32; drchase@5353: static address _crc_table_adr; drchase@5353: kvn@7152: static address _multiplyToLen; igerasim@8307: static address _squareToLen; igerasim@8307: static address _mulAdd; vkempik@8318: static address _montgomeryMultiply; vkempik@8318: static address _montgomerySquare; kvn@7152: never@1609: // These are versions of the java.lang.Math methods which perform never@1609: // the same operations as the intrinsic version. They are used for never@1609: // constant folding in the compiler to ensure equivalence. If the never@1609: // intrinsic version returns the same result as the strict version never@1609: // then they can be set to the appropriate function from never@1609: // SharedRuntime. never@1609: static double (*_intrinsic_log)(double); never@1609: static double (*_intrinsic_log10)(double); never@1609: static double (*_intrinsic_exp)(double); never@1609: static double (*_intrinsic_pow)(double, double); never@1609: static double (*_intrinsic_sin)(double); never@1609: static double (*_intrinsic_cos)(double); never@1609: static double (*_intrinsic_tan)(double); never@1609: goetz@5400: // Safefetch stubs. goetz@5400: static address _safefetch32_entry; goetz@5400: static address _safefetch32_fault_pc; goetz@5400: static address _safefetch32_continuation_pc; goetz@5400: static address _safefetchN_entry; goetz@5400: static address _safefetchN_fault_pc; goetz@5400: static address _safefetchN_continuation_pc; goetz@5400: duke@435: public: duke@435: // Initialization/Testing duke@435: static void initialize1(); // must happen before universe::genesis duke@435: static void initialize2(); // must happen after universe::genesis duke@435: sla@5237: static bool is_stub_code(address addr) { return contains(addr); } sla@5237: duke@435: static bool contains(address addr) { duke@435: return duke@435: (_code1 != NULL && _code1->blob_contains(addr)) || duke@435: (_code2 != NULL && _code2->blob_contains(addr)) ; duke@435: } duke@435: twisti@3969: static CodeBlob* code1() { return _code1; } twisti@3969: static CodeBlob* code2() { return _code2; } twisti@3969: duke@435: // Debugging duke@435: static jint verify_oop_count() { return _verify_oop_count; } duke@435: static jint* verify_oop_count_addr() { return &_verify_oop_count; } duke@435: // a subroutine for debugging the GC duke@435: static address verify_oop_subroutine_entry_address() { return (address)&_verify_oop_subroutine_entry; } duke@435: duke@435: static address catch_exception_entry() { return _catch_exception_entry; } duke@435: duke@435: // Calls to Java duke@435: typedef void (*CallStub)( duke@435: address link, duke@435: intptr_t* result, duke@435: BasicType result_type, coleenp@4037: Method* method, duke@435: address entry_point, duke@435: intptr_t* parameters, duke@435: int size_of_parameters, duke@435: TRAPS duke@435: ); duke@435: duke@435: static CallStub call_stub() { return CAST_TO_FN_PTR(CallStub, _call_stub_entry); } duke@435: duke@435: // Exceptions duke@435: static address forward_exception_entry() { return _forward_exception_entry; } duke@435: // Implicit exceptions duke@435: static address throw_AbstractMethodError_entry() { return _throw_AbstractMethodError_entry; } dcubed@451: static address throw_IncompatibleClassChangeError_entry(){ return _throw_IncompatibleClassChangeError_entry; } duke@435: static address throw_NullPointerException_at_call_entry(){ return _throw_NullPointerException_at_call_entry; } duke@435: static address throw_StackOverflowError_entry() { return _throw_StackOverflowError_entry; } duke@435: duke@435: // Exceptions during unsafe access - should throw Java exception rather duke@435: // than crash. duke@435: static address handler_for_unsafe_access() { return _handler_for_unsafe_access_entry; } duke@435: duke@435: static address atomic_xchg_entry() { return _atomic_xchg_entry; } duke@435: static address atomic_xchg_ptr_entry() { return _atomic_xchg_ptr_entry; } duke@435: static address atomic_store_entry() { return _atomic_store_entry; } duke@435: static address atomic_store_ptr_entry() { return _atomic_store_ptr_entry; } duke@435: static address atomic_cmpxchg_entry() { return _atomic_cmpxchg_entry; } duke@435: static address atomic_cmpxchg_ptr_entry() { return _atomic_cmpxchg_ptr_entry; } duke@435: static address atomic_cmpxchg_long_entry() { return _atomic_cmpxchg_long_entry; } duke@435: static address atomic_add_entry() { return _atomic_add_entry; } duke@435: static address atomic_add_ptr_entry() { return _atomic_add_ptr_entry; } duke@435: static address fence_entry() { return _fence_entry; } duke@435: duke@435: static address d2i_wrapper() { return _d2i_wrapper; } duke@435: static address d2l_wrapper() { return _d2l_wrapper; } duke@435: static jint fpu_cntrl_wrd_std() { return _fpu_cntrl_wrd_std; } duke@435: static address addr_fpu_cntrl_wrd_std() { return (address)&_fpu_cntrl_wrd_std; } duke@435: static address addr_fpu_cntrl_wrd_24() { return (address)&_fpu_cntrl_wrd_24; } duke@435: static address addr_fpu_cntrl_wrd_64() { return (address)&_fpu_cntrl_wrd_64; } duke@435: static address addr_fpu_cntrl_wrd_trunc() { return (address)&_fpu_cntrl_wrd_trunc; } duke@435: static address addr_mxcsr_std() { return (address)&_mxcsr_std; } duke@435: static address addr_fpu_subnormal_bias1() { return (address)&_fpu_subnormal_bias1; } duke@435: static address addr_fpu_subnormal_bias2() { return (address)&_fpu_subnormal_bias2; } duke@435: duke@435: roland@2728: static address select_arraycopy_function(BasicType t, bool aligned, bool disjoint, const char* &name, bool dest_uninitialized); roland@2728: duke@435: static address jbyte_arraycopy() { return _jbyte_arraycopy; } duke@435: static address jshort_arraycopy() { return _jshort_arraycopy; } duke@435: static address jint_arraycopy() { return _jint_arraycopy; } duke@435: static address jlong_arraycopy() { return _jlong_arraycopy; } iveresov@2606: static address oop_arraycopy(bool dest_uninitialized = false) { iveresov@2606: return dest_uninitialized ? _oop_arraycopy_uninit : _oop_arraycopy; iveresov@2606: } duke@435: static address jbyte_disjoint_arraycopy() { return _jbyte_disjoint_arraycopy; } duke@435: static address jshort_disjoint_arraycopy() { return _jshort_disjoint_arraycopy; } duke@435: static address jint_disjoint_arraycopy() { return _jint_disjoint_arraycopy; } duke@435: static address jlong_disjoint_arraycopy() { return _jlong_disjoint_arraycopy; } iveresov@2606: static address oop_disjoint_arraycopy(bool dest_uninitialized = false) { iveresov@2606: return dest_uninitialized ? _oop_disjoint_arraycopy_uninit : _oop_disjoint_arraycopy; iveresov@2606: } duke@435: duke@435: static address arrayof_jbyte_arraycopy() { return _arrayof_jbyte_arraycopy; } duke@435: static address arrayof_jshort_arraycopy() { return _arrayof_jshort_arraycopy; } duke@435: static address arrayof_jint_arraycopy() { return _arrayof_jint_arraycopy; } duke@435: static address arrayof_jlong_arraycopy() { return _arrayof_jlong_arraycopy; } iveresov@2606: static address arrayof_oop_arraycopy(bool dest_uninitialized = false) { iveresov@2606: return dest_uninitialized ? _arrayof_oop_arraycopy_uninit : _arrayof_oop_arraycopy; iveresov@2606: } duke@435: duke@435: static address arrayof_jbyte_disjoint_arraycopy() { return _arrayof_jbyte_disjoint_arraycopy; } duke@435: static address arrayof_jshort_disjoint_arraycopy() { return _arrayof_jshort_disjoint_arraycopy; } duke@435: static address arrayof_jint_disjoint_arraycopy() { return _arrayof_jint_disjoint_arraycopy; } duke@435: static address arrayof_jlong_disjoint_arraycopy() { return _arrayof_jlong_disjoint_arraycopy; } iveresov@2606: static address arrayof_oop_disjoint_arraycopy(bool dest_uninitialized = false) { iveresov@2606: return dest_uninitialized ? _arrayof_oop_disjoint_arraycopy_uninit : _arrayof_oop_disjoint_arraycopy; iveresov@2606: } duke@435: iveresov@2606: static address checkcast_arraycopy(bool dest_uninitialized = false) { iveresov@2606: return dest_uninitialized ? _checkcast_arraycopy_uninit : _checkcast_arraycopy; iveresov@2606: } duke@435: static address unsafe_arraycopy() { return _unsafe_arraycopy; } duke@435: static address generic_arraycopy() { return _generic_arraycopy; } duke@435: never@2118: static address jbyte_fill() { return _jbyte_fill; } never@2118: static address jshort_fill() { return _jshort_fill; } never@2118: static address jint_fill() { return _jint_fill; } never@2118: static address arrayof_jbyte_fill() { return _arrayof_jbyte_fill; } never@2118: static address arrayof_jshort_fill() { return _arrayof_jshort_fill; } never@2118: static address arrayof_jint_fill() { return _arrayof_jint_fill; } never@2118: kvn@4205: static address aescrypt_encryptBlock() { return _aescrypt_encryptBlock; } kvn@4205: static address aescrypt_decryptBlock() { return _aescrypt_decryptBlock; } kvn@4205: static address cipherBlockChaining_encryptAESCrypt() { return _cipherBlockChaining_encryptAESCrypt; } kvn@4205: static address cipherBlockChaining_decryptAESCrypt() { return _cipherBlockChaining_decryptAESCrypt; } ascarpino@9788: static address ghash_processBlocks() { return _ghash_processBlocks; } kvn@4205: kvn@7027: static address sha1_implCompress() { return _sha1_implCompress; } kvn@7027: static address sha1_implCompressMB() { return _sha1_implCompressMB; } kvn@7027: static address sha256_implCompress() { return _sha256_implCompress; } kvn@7027: static address sha256_implCompressMB() { return _sha256_implCompressMB; } kvn@7027: static address sha512_implCompress() { return _sha512_implCompress; } kvn@7027: static address sha512_implCompressMB() { return _sha512_implCompressMB; } kvn@7027: drchase@5353: static address updateBytesCRC32() { return _updateBytesCRC32; } drchase@5353: static address crc_table_addr() { return _crc_table_adr; } drchase@5353: kvn@7152: static address multiplyToLen() {return _multiplyToLen; } igerasim@8307: static address squareToLen() {return _squareToLen; } igerasim@8307: static address mulAdd() {return _mulAdd; } vkempik@8318: static address montgomeryMultiply() { return _montgomeryMultiply; } vkempik@8318: static address montgomerySquare() { return _montgomerySquare; } kvn@7152: never@2118: static address select_fill_function(BasicType t, bool aligned, const char* &name); never@2118: kvn@3092: static address zero_aligned_words() { return _zero_aligned_words; } never@2118: never@1609: static double intrinsic_log(double d) { never@1609: assert(_intrinsic_log != NULL, "must be defined"); never@1609: return _intrinsic_log(d); never@1609: } never@1609: static double intrinsic_log10(double d) { never@1609: assert(_intrinsic_log != NULL, "must be defined"); never@1609: return _intrinsic_log10(d); never@1609: } never@1609: static double intrinsic_exp(double d) { never@1609: assert(_intrinsic_exp != NULL, "must be defined"); never@1609: return _intrinsic_exp(d); never@1609: } never@1609: static double intrinsic_pow(double d, double d2) { never@1609: assert(_intrinsic_pow != NULL, "must be defined"); never@1609: return _intrinsic_pow(d, d2); never@1609: } never@1609: static double intrinsic_sin(double d) { never@1609: assert(_intrinsic_sin != NULL, "must be defined"); never@1609: return _intrinsic_sin(d); never@1609: } never@1609: static double intrinsic_cos(double d) { never@1609: assert(_intrinsic_cos != NULL, "must be defined"); never@1609: return _intrinsic_cos(d); never@1609: } never@1609: static double intrinsic_tan(double d) { never@1609: assert(_intrinsic_tan != NULL, "must be defined"); never@1609: return _intrinsic_tan(d); never@1609: } never@1609: duke@435: // goetz@5400: // Safefetch stub support goetz@5400: // goetz@5400: goetz@5400: typedef int (*SafeFetch32Stub)(int* adr, int errValue); goetz@5400: typedef intptr_t (*SafeFetchNStub) (intptr_t* adr, intptr_t errValue); goetz@5400: goetz@5400: static SafeFetch32Stub SafeFetch32_stub() { return CAST_TO_FN_PTR(SafeFetch32Stub, _safefetch32_entry); } goetz@5400: static SafeFetchNStub SafeFetchN_stub() { return CAST_TO_FN_PTR(SafeFetchNStub, _safefetchN_entry); } goetz@5400: goetz@5400: static bool is_safefetch_fault(address pc) { goetz@5400: return pc != NULL && goetz@5400: (pc == _safefetch32_fault_pc || goetz@5400: pc == _safefetchN_fault_pc); goetz@5400: } goetz@5400: goetz@5400: static address continuation_for_safefetch_fault(address pc) { goetz@5400: assert(_safefetch32_continuation_pc != NULL && goetz@5400: _safefetchN_continuation_pc != NULL, goetz@5400: "not initialized"); goetz@5400: goetz@5400: if (pc == _safefetch32_fault_pc) return _safefetch32_continuation_pc; goetz@5400: if (pc == _safefetchN_fault_pc) return _safefetchN_continuation_pc; goetz@5400: goetz@5400: ShouldNotReachHere(); goetz@5400: return NULL; goetz@5400: } goetz@5400: goetz@5400: // duke@435: // Default versions of the above arraycopy functions for platforms which do duke@435: // not have specialized versions duke@435: // iveresov@2606: static void jbyte_copy (jbyte* src, jbyte* dest, size_t count); iveresov@2606: static void jshort_copy (jshort* src, jshort* dest, size_t count); iveresov@2606: static void jint_copy (jint* src, jint* dest, size_t count); iveresov@2606: static void jlong_copy (jlong* src, jlong* dest, size_t count); iveresov@2606: static void oop_copy (oop* src, oop* dest, size_t count); iveresov@2606: static void oop_copy_uninit(oop* src, oop* dest, size_t count); duke@435: iveresov@2606: static void arrayof_jbyte_copy (HeapWord* src, HeapWord* dest, size_t count); iveresov@2606: static void arrayof_jshort_copy (HeapWord* src, HeapWord* dest, size_t count); iveresov@2606: static void arrayof_jint_copy (HeapWord* src, HeapWord* dest, size_t count); iveresov@2606: static void arrayof_jlong_copy (HeapWord* src, HeapWord* dest, size_t count); iveresov@2606: static void arrayof_oop_copy (HeapWord* src, HeapWord* dest, size_t count); iveresov@2606: static void arrayof_oop_copy_uninit(HeapWord* src, HeapWord* dest, size_t count); duke@435: }; stefank@2314: goetz@5400: // Safefetch allows to load a value from a location that's not known goetz@5400: // to be valid. If the load causes a fault, the error value is returned. goetz@5400: inline int SafeFetch32(int* adr, int errValue) { goetz@5400: assert(StubRoutines::SafeFetch32_stub(), "stub not yet generated"); goetz@5400: return StubRoutines::SafeFetch32_stub()(adr, errValue); goetz@5400: } goetz@5400: inline intptr_t SafeFetchN(intptr_t* adr, intptr_t errValue) { goetz@5400: assert(StubRoutines::SafeFetchN_stub(), "stub not yet generated"); goetz@5400: return StubRoutines::SafeFetchN_stub()(adr, errValue); goetz@5400: } goetz@5400: stefank@2314: #endif // SHARE_VM_RUNTIME_STUBROUTINES_HPP