Mercurial > hg > icedtea7-forest-aarch64 > hotspot
changeset 6027:81528bb814f8
merge
| author | adinn |
|---|---|
| date | Thu, 04 Dec 2014 14:30:02 +0000 |
| parents | 205e1ae8868b (current diff) 0c2099cd04cd (diff) |
| children | 6712ee98b46e |
| files | |
| diffstat | 29 files changed, 434 insertions(+), 183 deletions(-) [+] |
line wrap: on
line diff
--- a/.hgtags Thu Nov 27 11:27:10 2014 +0000 +++ b/.hgtags Thu Dec 04 14:30:02 2014 +0000 @@ -775,3 +775,4 @@ 4722cfd15c8386321c8e857951b3cb55461e858b icedtea-2.6pre09 c8417820ac943736822e7b84518b5aca80f39593 icedtea-2.6pre10 e13857ecc7870c28dbebca79ff36612693dac157 icedtea-2.6pre11 +9d2b485d2a58ea57ab2b3c06b2128f456ab39a38 jdk7u80-b03
--- a/make/bsd/makefiles/mapfile-vers-debug Thu Nov 27 11:27:10 2014 +0000 +++ b/make/bsd/makefiles/mapfile-vers-debug Thu Dec 04 14:30:02 2014 +0000 @@ -158,6 +158,7 @@ _JVM_GetStackTraceElement _JVM_GetSystemPackage _JVM_GetSystemPackages + _JVM_GetTemporaryDirectory _JVM_GetThreadStateNames _JVM_GetThreadStateValues _JVM_GetVersionInfo
--- a/make/bsd/makefiles/mapfile-vers-product Thu Nov 27 11:27:10 2014 +0000 +++ b/make/bsd/makefiles/mapfile-vers-product Thu Dec 04 14:30:02 2014 +0000 @@ -158,6 +158,7 @@ _JVM_GetStackTraceElement _JVM_GetSystemPackage _JVM_GetSystemPackages + _JVM_GetTemporaryDirectory _JVM_GetThreadStateNames _JVM_GetThreadStateValues _JVM_GetVersionInfo
--- a/make/linux/makefiles/mapfile-vers-debug Thu Nov 27 11:27:10 2014 +0000 +++ b/make/linux/makefiles/mapfile-vers-debug Thu Dec 04 14:30:02 2014 +0000 @@ -123,7 +123,7 @@ JVM_GetClassModifiers; JVM_GetClassName; JVM_GetClassNameUTF; - JVM_GetClassSignature; + JVM_GetClassSignature; JVM_GetClassSigners; JVM_GetComponentType; JVM_GetDeclaredClasses; @@ -160,6 +160,7 @@ JVM_GetStackTraceElement; JVM_GetSystemPackage; JVM_GetSystemPackages; + JVM_GetTemporaryDirectory; JVM_GetThreadStateNames; JVM_GetThreadStateValues; JVM_GetVersionInfo;
--- a/make/linux/makefiles/mapfile-vers-product Thu Nov 27 11:27:10 2014 +0000 +++ b/make/linux/makefiles/mapfile-vers-product Thu Dec 04 14:30:02 2014 +0000 @@ -160,6 +160,7 @@ JVM_GetStackTraceElement; JVM_GetSystemPackage; JVM_GetSystemPackages; + JVM_GetTemporaryDirectory; JVM_GetThreadStateNames; JVM_GetThreadStateValues; JVM_GetVersionInfo;
--- a/make/solaris/makefiles/mapfile-vers Thu Nov 27 11:27:10 2014 +0000 +++ b/make/solaris/makefiles/mapfile-vers Thu Dec 04 14:30:02 2014 +0000 @@ -160,6 +160,7 @@ JVM_GetStackTraceElement; JVM_GetSystemPackage; JVM_GetSystemPackages; + JVM_GetTemporaryDirectory; JVM_GetThreadStateNames; JVM_GetThreadStateValues; JVM_GetVersionInfo;
--- a/src/cpu/sparc/vm/sharedRuntime_sparc.cpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/cpu/sparc/vm/sharedRuntime_sparc.cpp Thu Dec 04 14:30:02 2014 +0000 @@ -1144,50 +1144,81 @@ // Hoist any int/ptr/long's in the first 6 to int regs. // Hoist any flt/dbl's in the first 16 dbl regs. int j = 0; // Count of actual args, not HALVES - for( int i=0; i<total_args_passed; i++, j++ ) { - switch( sig_bt[i] ) { + VMRegPair param_array_reg; // location of the argument in the parameter array + for (int i = 0; i < total_args_passed; i++, j++) { + param_array_reg.set_bad(); + switch (sig_bt[i]) { case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_INT: case T_SHORT: - regs[i].set1( int_stk_helper( j ) ); break; + regs[i].set1(int_stk_helper(j)); + break; case T_LONG: - assert( sig_bt[i+1] == T_VOID, "expecting half" ); + assert(sig_bt[i+1] == T_VOID, "expecting half"); case T_ADDRESS: // raw pointers, like current thread, for VM calls case T_ARRAY: case T_OBJECT: - regs[i].set2( int_stk_helper( j ) ); + regs[i].set2(int_stk_helper(j)); break; case T_FLOAT: - if ( j < 16 ) { - // V9ism: floats go in ODD registers - regs[i].set1(as_FloatRegister(1 + (j<<1))->as_VMReg()); - } else { - // V9ism: floats go in ODD stack slot - regs[i].set1(VMRegImpl::stack2reg(1 + (j<<1))); + // Per SPARC Compliance Definition 2.4.1, page 3P-12 available here + // http://www.sparc.org/wp-content/uploads/2014/01/SCD.2.4.1.pdf.gz + // + // "When a callee prototype exists, and does not indicate variable arguments, + // floating-point values assigned to locations %sp+BIAS+128 through %sp+BIAS+248 + // will be promoted to floating-point registers" + // + // By "promoted" it means that the argument is located in two places, an unused + // spill slot in the "parameter array" (starts at %sp+BIAS+128), and a live + // float register. In most cases, there are 6 or fewer arguments of any type, + // and the standard parameter array slots (%sp+BIAS+128 to %sp+BIAS+176 exclusive) + // serve as shadow slots. Per the spec floating point registers %d6 to %d16 + // require slots beyond that (up to %sp+BIAS+248). + // + { + // V9ism: floats go in ODD registers and stack slots + int float_index = 1 + (j << 1); + param_array_reg.set1(VMRegImpl::stack2reg(float_index)); + if (j < 16) { + regs[i].set1(as_FloatRegister(float_index)->as_VMReg()); + } else { + regs[i] = param_array_reg; + } } break; case T_DOUBLE: - assert( sig_bt[i+1] == T_VOID, "expecting half" ); - if ( j < 16 ) { - // V9ism: doubles go in EVEN/ODD regs - regs[i].set2(as_FloatRegister(j<<1)->as_VMReg()); - } else { - // V9ism: doubles go in EVEN/ODD stack slots - regs[i].set2(VMRegImpl::stack2reg(j<<1)); + { + assert(sig_bt[i + 1] == T_VOID, "expecting half"); + // V9ism: doubles go in EVEN/ODD regs and stack slots + int double_index = (j << 1); + param_array_reg.set2(VMRegImpl::stack2reg(double_index)); + if (j < 16) { + regs[i].set2(as_FloatRegister(double_index)->as_VMReg()); + } else { + // V9ism: doubles go in EVEN/ODD stack slots + regs[i] = param_array_reg; + } } break; - case T_VOID: regs[i].set_bad(); j--; break; // Do not count HALVES + case T_VOID: + regs[i].set_bad(); + j--; + break; // Do not count HALVES default: ShouldNotReachHere(); } - if (regs[i].first()->is_stack()) { - int off = regs[i].first()->reg2stack(); + // Keep track of the deepest parameter array slot. + if (!param_array_reg.first()->is_valid()) { + param_array_reg = regs[i]; + } + if (param_array_reg.first()->is_stack()) { + int off = param_array_reg.first()->reg2stack(); if (off > max_stack_slots) max_stack_slots = off; } - if (regs[i].second()->is_stack()) { - int off = regs[i].second()->reg2stack(); + if (param_array_reg.second()->is_stack()) { + int off = param_array_reg.second()->reg2stack(); if (off > max_stack_slots) max_stack_slots = off; } } @@ -1195,8 +1226,8 @@ #else // _LP64 // V8 convention: first 6 things in O-regs, rest on stack. // Alignment is willy-nilly. - for( int i=0; i<total_args_passed; i++ ) { - switch( sig_bt[i] ) { + for (int i = 0; i < total_args_passed; i++) { + switch (sig_bt[i]) { case T_ADDRESS: // raw pointers, like current thread, for VM calls case T_ARRAY: case T_BOOLEAN: @@ -1206,23 +1237,23 @@ case T_INT: case T_OBJECT: case T_SHORT: - regs[i].set1( int_stk_helper( i ) ); + regs[i].set1(int_stk_helper(i)); break; case T_DOUBLE: case T_LONG: - assert( sig_bt[i+1] == T_VOID, "expecting half" ); - regs[i].set_pair( int_stk_helper( i+1 ), int_stk_helper( i ) ); + assert(sig_bt[i + 1] == T_VOID, "expecting half"); + regs[i].set_pair(int_stk_helper(i + 1), int_stk_helper(i)); break; case T_VOID: regs[i].set_bad(); break; default: ShouldNotReachHere(); } if (regs[i].first()->is_stack()) { - int off = regs[i].first()->reg2stack(); + int off = regs[i].first()->reg2stack(); if (off > max_stack_slots) max_stack_slots = off; } if (regs[i].second()->is_stack()) { - int off = regs[i].second()->reg2stack(); + int off = regs[i].second()->reg2stack(); if (off > max_stack_slots) max_stack_slots = off; } } @@ -1375,11 +1406,10 @@ const Register rOop = src.first()->as_Register(); const Register rHandle = L5; int oop_slot = rOop->input_number() * VMRegImpl::slots_per_word + oop_handle_offset; - int offset = oop_slot*VMRegImpl::stack_slot_size; - Label skip; + int offset = oop_slot * VMRegImpl::stack_slot_size; __ st_ptr(rOop, SP, offset + STACK_BIAS); if (is_receiver) { - *receiver_offset = oop_slot * VMRegImpl::stack_slot_size; + *receiver_offset = offset; } map->set_oop(VMRegImpl::stack2reg(oop_slot)); __ add(SP, offset + STACK_BIAS, rHandle);
--- a/src/cpu/sparc/vm/sparc.ad Thu Nov 27 11:27:10 2014 +0000 +++ b/src/cpu/sparc/vm/sparc.ad Thu Dec 04 14:30:02 2014 +0000 @@ -1990,7 +1990,7 @@ // to implement the UseStrictFP mode. const bool Matcher::strict_fp_requires_explicit_rounding = false; -// Are floats conerted to double when stored to stack during deoptimization? +// Are floats converted to double when stored to stack during deoptimization? // Sparc does not handle callee-save floats. bool Matcher::float_in_double() { return false; } @@ -3228,7 +3228,7 @@ // are owned by the CALLEE. Holes should not be nessecary in the // incoming area, as the Java calling convention is completely under // the control of the AD file. Doubles can be sorted and packed to -// avoid holes. Holes in the outgoing arguments may be nessecary for +// avoid holes. Holes in the outgoing arguments may be necessary for // varargs C calling conventions. // Note 3: Region 0-3 is even aligned, with pad2 as needed. Region 3-5 is // even aligned with pad0 as needed. @@ -3294,7 +3294,7 @@ %} // Body of function which returns an OptoRegs array locating - // arguments either in registers or in stack slots for callin + // arguments either in registers or in stack slots for calling // C. c_calling_convention %{ // This is obviously always outgoing
--- a/src/cpu/x86/vm/frame_x86.inline.hpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/cpu/x86/vm/frame_x86.inline.hpp Thu Dec 04 14:30:02 2014 +0000 @@ -296,14 +296,18 @@ return true; } - +inline oop frame::saved_oop_result(RegisterMap* map) const { + oop* result_adr = (oop *)map->location(rax->as_VMReg()); + guarantee(result_adr != NULL, "bad register save location"); -inline oop frame::saved_oop_result(RegisterMap* map) const { - return *((oop*) map->location(rax->as_VMReg())); + return (*result_adr); } inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) { - *((oop*) map->location(rax->as_VMReg())) = obj; + oop* result_adr = (oop *)map->location(rax->as_VMReg()); + guarantee(result_adr != NULL, "bad register save location"); + + *result_adr = obj; } #endif // CPU_X86_VM_FRAME_X86_INLINE_HPP
--- a/src/share/vm/classfile/javaClasses.cpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/classfile/javaClasses.cpp Thu Dec 04 14:30:02 2014 +0000 @@ -578,6 +578,7 @@ instanceKlass::cast(k())->do_local_static_fields(&initialize_static_field, CHECK_NULL); } // set the classLoader field in the java_lang_Class instance + assert(class_loader() == k->class_loader(), "should be same"); set_class_loader(mirror(), class_loader()); return mirror(); } else {
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp Thu Dec 04 14:30:02 2014 +0000 @@ -2778,10 +2778,12 @@ } } -void CompactibleFreeListSpace:: par_get_chunk_of_blocks(size_t word_sz, size_t n, FreeList<FreeChunk>* fl) { - assert(fl->count() == 0, "Precondition."); - assert(word_sz < CompactibleFreeListSpace::IndexSetSize, - "Precondition"); +// Used by par_get_chunk_of_blocks() for the chunks from the +// indexed_free_lists. Looks for a chunk with size that is a multiple +// of "word_sz" and if found, splits it into "word_sz" chunks and add +// to the free list "fl". "n" is the maximum number of chunks to +// be added to "fl". +bool CompactibleFreeListSpace:: par_get_chunk_of_blocks_IFL(size_t word_sz, size_t n, FreeList<FreeChunk>* fl) { // We'll try all multiples of word_sz in the indexed set, starting with // word_sz itself and, if CMSSplitIndexedFreeListBlocks, try larger multiples, @@ -2862,11 +2864,15 @@ Mutex::_no_safepoint_check_flag); ssize_t births = _indexedFreeList[word_sz].split_births() + num; _indexedFreeList[word_sz].set_split_births(births); - return; + return true; } } + return found; } - // Otherwise, we'll split a block from the dictionary. +} + +FreeChunk* CompactibleFreeListSpace::get_n_way_chunk_to_split(size_t word_sz, size_t n) { + FreeChunk* fc = NULL; FreeChunk* rem_fc = NULL; size_t rem; @@ -2878,16 +2884,12 @@ _dictionary->min_size()), FreeBlockDictionary<FreeChunk>::atLeast); if (fc != NULL) { - _bt.allocated((HeapWord*)fc, fc->size(), true /* reducing */); // update _unallocated_blk - dictionary()->dict_census_udpate(fc->size(), - true /*split*/, - false /*birth*/); break; } else { n--; } } - if (fc == NULL) return; + if (fc == NULL) return NULL; // Otherwise, split up that block. assert((ssize_t)n >= 1, "Control point invariant"); assert(fc->is_free(), "Error: should be a free block"); @@ -2909,10 +2911,14 @@ // dictionary and return, leaving "fl" empty. if (n == 0) { returnChunkToDictionary(fc); - assert(fl->count() == 0, "We never allocated any blocks"); - return; + return NULL; } + _bt.allocated((HeapWord*)fc, fc->size(), true /* reducing */); // update _unallocated_blk + dictionary()->dict_census_udpate(fc->size(), + true /*split*/, + false /*birth*/); + // First return the remainder, if any. // Note that we hold the lock until we decide if we're going to give // back the remainder to the dictionary, since a concurrent allocation @@ -2945,7 +2951,24 @@ _indexedFreeList[rem].return_chunk_at_head(rem_fc); smallSplitBirth(rem); } - assert((ssize_t)n > 0 && fc != NULL, "Consistency"); + assert(n * word_sz == fc->size(), + err_msg("Chunk size " SIZE_FORMAT " is not exactly splittable by " + SIZE_FORMAT " sized chunks of size " SIZE_FORMAT, + fc->size(), n, word_sz)); + return fc; +} + +void CompactibleFreeListSpace:: par_get_chunk_of_blocks_dictionary(size_t word_sz, size_t targetted_number_of_chunks, FreeList<FreeChunk>* fl) { + + FreeChunk* fc = get_n_way_chunk_to_split(word_sz, targetted_number_of_chunks); + + if (fc == NULL) { + return; + } + + size_t n = fc->size() / word_sz; + + assert((ssize_t)n > 0, "Consistency"); // Now do the splitting up. // Must do this in reverse order, so that anybody attempting to // access the main chunk sees it as a single free block until we @@ -2993,6 +3016,20 @@ assert(fl->tail()->next() == NULL, "List invariant."); } +void CompactibleFreeListSpace:: par_get_chunk_of_blocks(size_t word_sz, size_t n, FreeList<FreeChunk>* fl) { + assert(fl->count() == 0, "Precondition."); + assert(word_sz < CompactibleFreeListSpace::IndexSetSize, + "Precondition"); + + if (par_get_chunk_of_blocks_IFL(word_sz, n, fl)) { + // Got it + return; + } + + // Otherwise, we'll split a block from the dictionary. + par_get_chunk_of_blocks_dictionary(word_sz, n, fl); +} + // Set up the space's par_seq_tasks structure for work claiming // for parallel rescan. See CMSParRemarkTask where this is currently used. // XXX Need to suitably abstract and generalize this and the next
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp Thu Dec 04 14:30:02 2014 +0000 @@ -171,6 +171,20 @@ // list of size "word_sz", and must now be decremented. void par_get_chunk_of_blocks(size_t word_sz, size_t n, FreeList<FreeChunk>* fl); + // Used by par_get_chunk_of_blocks() for the chunks from the + // indexed_free_lists. + bool par_get_chunk_of_blocks_IFL(size_t word_sz, size_t n, FreeList<FreeChunk>* fl); + + // Used by par_get_chunk_of_blocks_dictionary() to get a chunk + // evenly splittable into "n" "word_sz" chunks. Returns that + // evenly splittable chunk. May split a larger chunk to get the + // evenly splittable chunk. + FreeChunk* get_n_way_chunk_to_split(size_t word_sz, size_t n); + + // Used by par_get_chunk_of_blocks() for the chunks from the + // dictionary. + void par_get_chunk_of_blocks_dictionary(size_t word_sz, size_t n, FreeList<FreeChunk>* fl); + // Allocation helper functions // Allocate using a strategy that takes from the indexed free lists // first. This allocation strategy assumes a companion sweeping
--- a/src/share/vm/oops/arrayKlass.cpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/oops/arrayKlass.cpp Thu Dec 04 14:30:02 2014 +0000 @@ -124,7 +124,7 @@ ResourceMark rm(THREAD); k->initialize_supers(super_klass(), CHECK); k->vtable()->initialize_vtable(false, CHECK); - java_lang_Class::create_mirror(k, CHECK); + java_lang_Class::create_mirror(k, Handle(THREAD, k->class_loader()), CHECK); } objArrayOop arrayKlass::compute_secondary_supers(int num_extra_slots, TRAPS) {
--- a/src/share/vm/oops/methodDataOop.hpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/oops/methodDataOop.hpp Thu Dec 04 14:30:02 2014 +0000 @@ -1394,7 +1394,7 @@ // Whole-method sticky bits and flags public: enum { - _trap_hist_limit = 17, // decoupled from Deoptimization::Reason_LIMIT + _trap_hist_limit = 18, // decoupled from Deoptimization::Reason_LIMIT _trap_hist_mask = max_jubyte, _extra_data_count = 4 // extra DataLayout headers, for trap history }; // Public flag values
--- a/src/share/vm/oops/objArrayKlass.cpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/oops/objArrayKlass.cpp Thu Dec 04 14:30:02 2014 +0000 @@ -202,6 +202,15 @@ } } +// Protect against _bottom_klass being null, when called from Universe::fixup_mirrors +oop objArrayKlass::class_loader() const { + if (bottom_klass() != NULL) { + return Klass::cast(bottom_klass())->class_loader(); + } else { + return NULL; + } +} + klassOop objArrayKlass::array_klass_impl(bool or_null, int n, TRAPS) { objArrayKlassHandle h_this(THREAD, as_klassOop());
--- a/src/share/vm/oops/objArrayKlass.hpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/oops/objArrayKlass.hpp Thu Dec 04 14:30:02 2014 +0000 @@ -68,7 +68,7 @@ // Compute protection domain oop protection_domain() { return Klass::cast(bottom_klass())->protection_domain(); } // Compute class loader - oop class_loader() const { return Klass::cast(bottom_klass())->class_loader(); } + oop class_loader() const; private: // Either oop or narrowOop depending on UseCompressedOops.
--- a/src/share/vm/opto/c2_globals.hpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/opto/c2_globals.hpp Thu Dec 04 14:30:02 2014 +0000 @@ -461,6 +461,9 @@ product(bool, DoEscapeAnalysis, true, \ "Perform escape analysis") \ \ + product(double, EscapeAnalysisTimeout, 20. DEBUG_ONLY(+40.), \ + "Abort EA when it reaches time limit (in sec)") \ + \ develop(bool, ExitEscapeAnalysisOnTimeout, true, \ "Exit or throw assert in EA when it reaches time limit") \ \
--- a/src/share/vm/opto/doCall.cpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/opto/doCall.cpp Thu Dec 04 14:30:02 2014 +0000 @@ -735,10 +735,16 @@ // each arm of the Phi. If I know something clever about the exceptions // I'm loading the class from, I can replace the LoadKlass with the // klass constant for the exception oop. - if( ex_node->is_Phi() ) { - ex_klass_node = new (C) PhiNode( ex_node->in(0), TypeKlassPtr::OBJECT ); - for( uint i = 1; i < ex_node->req(); i++ ) { - Node* p = basic_plus_adr( ex_node->in(i), ex_node->in(i), oopDesc::klass_offset_in_bytes() ); + if (ex_node->is_Phi()) { + ex_klass_node = new (C) PhiNode(ex_node->in(0), TypeKlassPtr::OBJECT); + for (uint i = 1; i < ex_node->req(); i++) { + Node* ex_in = ex_node->in(i); + if (ex_in == top() || ex_in == NULL) { + // This path was not taken. + ex_klass_node->init_req(i, top()); + continue; + } + Node* p = basic_plus_adr(ex_in, ex_in, oopDesc::klass_offset_in_bytes()); Node* k = _gvn.transform( LoadKlassNode::make(_gvn, immutable_memory(), p, TypeInstPtr::KLASS, TypeKlassPtr::OBJECT) ); ex_klass_node->init_req( i, k ); }
--- a/src/share/vm/opto/escape.cpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/opto/escape.cpp Thu Dec 04 14:30:02 2014 +0000 @@ -37,6 +37,8 @@ ConnectionGraph::ConnectionGraph(Compile * C, PhaseIterGVN *igvn) : _nodes(C->comp_arena(), C->unique(), C->unique(), NULL), + _in_worklist(C->comp_arena()), + _next_pidx(0), _collecting(true), _verify(false), _compile(C), @@ -120,13 +122,19 @@ if (C->root() != NULL) { ideal_nodes.push(C->root()); } + // Processed ideal nodes are unique on ideal_nodes list + // but several ideal nodes are mapped to the phantom_obj. + // To avoid duplicated entries on the following worklists + // add the phantom_obj only once to them. + ptnodes_worklist.append(phantom_obj); + java_objects_worklist.append(phantom_obj); for( uint next = 0; next < ideal_nodes.size(); ++next ) { Node* n = ideal_nodes.at(next); // Create PointsTo nodes and add them to Connection Graph. Called // only once per ideal node since ideal_nodes is Unique_Node list. add_node_to_connection_graph(n, &delayed_worklist); PointsToNode* ptn = ptnode_adr(n->_idx); - if (ptn != NULL) { + if (ptn != NULL && ptn != phantom_obj) { ptnodes_worklist.append(ptn); if (ptn->is_JavaObject()) { java_objects_worklist.append(ptn->as_JavaObject()); @@ -395,7 +403,7 @@ } case Op_CreateEx: { // assume that all exception objects globally escape - add_java_object(n, PointsToNode::GlobalEscape); + map_ideal_node(n, phantom_obj); break; } case Op_LoadKlass: @@ -1016,13 +1024,8 @@ // on graph complexity. Observed 8 passes in jvm2008 compiler.compiler. // Set limit to 20 to catch situation when something did go wrong and // bailout Escape Analysis. - // Also limit build time to 30 sec (60 in debug VM). + // Also limit build time to 20 sec (60 in debug VM), EscapeAnalysisTimeout flag. #define CG_BUILD_ITER_LIMIT 20 -#ifdef ASSERT -#define CG_BUILD_TIME_LIMIT 60.0 -#else -#define CG_BUILD_TIME_LIMIT 30.0 -#endif // Propagate GlobalEscape and ArgEscape escape states and check that // we still have non-escaping objects. The method pushs on _worklist @@ -1033,12 +1036,13 @@ // Now propagate references to all JavaObject nodes. int java_objects_length = java_objects_worklist.length(); elapsedTimer time; + bool timeout = false; int new_edges = 1; int iterations = 0; do { while ((new_edges > 0) && - (iterations++ < CG_BUILD_ITER_LIMIT) && - (time.seconds() < CG_BUILD_TIME_LIMIT)) { + (iterations++ < CG_BUILD_ITER_LIMIT)) { + double start_time = time.seconds(); time.start(); new_edges = 0; // Propagate references to phantom_object for nodes pushed on _worklist @@ -1047,7 +1051,26 @@ for (int next = 0; next < java_objects_length; ++next) { JavaObjectNode* ptn = java_objects_worklist.at(next); new_edges += add_java_object_edges(ptn, true); + +#define SAMPLE_SIZE 4 + if ((next % SAMPLE_SIZE) == 0) { + // Each 4 iterations calculate how much time it will take + // to complete graph construction. + time.stop(); + double stop_time = time.seconds(); + double time_per_iter = (stop_time - start_time) / (double)SAMPLE_SIZE; + double time_until_end = time_per_iter * (double)(java_objects_length - next); + if ((start_time + time_until_end) >= EscapeAnalysisTimeout) { + timeout = true; + break; // Timeout + } + start_time = stop_time; + time.start(); + } +#undef SAMPLE_SIZE + } + if (timeout) break; if (new_edges > 0) { // Update escape states on each iteration if graph was updated. if (!find_non_escaped_objects(ptnodes_worklist, non_escaped_worklist)) { @@ -1055,9 +1078,12 @@ } } time.stop(); + if (time.seconds() >= EscapeAnalysisTimeout) { + timeout = true; + break; + } } - if ((iterations < CG_BUILD_ITER_LIMIT) && - (time.seconds() < CG_BUILD_TIME_LIMIT)) { + if ((iterations < CG_BUILD_ITER_LIMIT) && !timeout) { time.start(); // Find fields which have unknown value. int fields_length = oop_fields_worklist.length(); @@ -1070,18 +1096,21 @@ } } time.stop(); + if (time.seconds() >= EscapeAnalysisTimeout) { + timeout = true; + break; + } } else { new_edges = 0; // Bailout } } while (new_edges > 0); // Bailout if passed limits. - if ((iterations >= CG_BUILD_ITER_LIMIT) || - (time.seconds() >= CG_BUILD_TIME_LIMIT)) { + if ((iterations >= CG_BUILD_ITER_LIMIT) || timeout) { Compile* C = _compile; if (C->log() != NULL) { C->log()->begin_elem("connectionGraph_bailout reason='reached "); - C->log()->text("%s", (iterations >= CG_BUILD_ITER_LIMIT) ? "iterations" : "time"); + C->log()->text("%s", timeout ? "time" : "iterations"); C->log()->end_elem(" limit'"); } assert(ExitEscapeAnalysisOnTimeout, err_msg_res("infinite EA connection graph build (%f sec, %d iterations) with %d nodes and worklist size %d", @@ -1098,7 +1127,6 @@ #endif #undef CG_BUILD_ITER_LIMIT -#undef CG_BUILD_TIME_LIMIT // Find fields initialized by NULL for non-escaping Allocations. int non_escaped_length = non_escaped_worklist.length(); @@ -1222,8 +1250,8 @@ } } } - while(_worklist.length() > 0) { - PointsToNode* use = _worklist.pop(); + for (int l = 0; l < _worklist.length(); l++) { + PointsToNode* use = _worklist.at(l); if (PointsToNode::is_base_use(use)) { // Add reference from jobj to field and from field to jobj (field's base). use = PointsToNode::get_use_node(use)->as_Field(); @@ -1270,6 +1298,8 @@ add_field_uses_to_worklist(use->as_Field()); } } + _worklist.clear(); + _in_worklist.Reset(); return new_edges; } @@ -1838,7 +1868,7 @@ return; } Compile* C = _compile; - ptadr = new (C->comp_arena()) LocalVarNode(C, n, es); + ptadr = new (C->comp_arena()) LocalVarNode(this, n, es); _nodes.at_put(n->_idx, ptadr); } @@ -1849,7 +1879,7 @@ return; } Compile* C = _compile; - ptadr = new (C->comp_arena()) JavaObjectNode(C, n, es); + ptadr = new (C->comp_arena()) JavaObjectNode(this, n, es); _nodes.at_put(n->_idx, ptadr); } @@ -1865,7 +1895,7 @@ es = PointsToNode::GlobalEscape; } Compile* C = _compile; - FieldNode* field = new (C->comp_arena()) FieldNode(C, n, es, offset, is_oop); + FieldNode* field = new (C->comp_arena()) FieldNode(this, n, es, offset, is_oop); _nodes.at_put(n->_idx, field); } @@ -1879,7 +1909,7 @@ return; } Compile* C = _compile; - ptadr = new (C->comp_arena()) ArraycopyNode(C, n, es); + ptadr = new (C->comp_arena()) ArraycopyNode(this, n, es); _nodes.at_put(n->_idx, ptadr); // Add edge from arraycopy node to source object. (void)add_edge(ptadr, src);
--- a/src/share/vm/opto/escape.hpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/opto/escape.hpp Thu Dec 04 14:30:02 2014 +0000 @@ -125,6 +125,8 @@ class FieldNode; class ArraycopyNode; +class ConnectionGraph; + // ConnectionGraph nodes class PointsToNode : public ResourceObj { GrowableArray<PointsToNode*> _edges; // List of nodes this node points to @@ -137,6 +139,7 @@ Node* const _node; // Ideal node corresponding to this PointsTo node. const int _idx; // Cached ideal node's _idx + const uint _pidx; // Index of this node public: typedef enum { @@ -165,17 +168,9 @@ } NodeFlags; - PointsToNode(Compile *C, Node* n, EscapeState es, NodeType type): - _edges(C->comp_arena(), 2, 0, NULL), - _uses (C->comp_arena(), 2, 0, NULL), - _node(n), - _idx(n->_idx), - _type((u1)type), - _escape((u1)es), - _fields_escape((u1)es), - _flags(ScalarReplaceable) { - assert(n != NULL && es != UnknownEscape, "sanity"); - } + inline PointsToNode(ConnectionGraph* CG, Node* n, EscapeState es, NodeType type); + + uint pidx() const { return _pidx; } Node* ideal_node() const { return _node; } int idx() const { return _idx; } @@ -243,14 +238,14 @@ class LocalVarNode: public PointsToNode { public: - LocalVarNode(Compile *C, Node* n, EscapeState es): - PointsToNode(C, n, es, LocalVar) {} + LocalVarNode(ConnectionGraph *CG, Node* n, EscapeState es): + PointsToNode(CG, n, es, LocalVar) {} }; class JavaObjectNode: public PointsToNode { public: - JavaObjectNode(Compile *C, Node* n, EscapeState es): - PointsToNode(C, n, es, JavaObject) { + JavaObjectNode(ConnectionGraph *CG, Node* n, EscapeState es): + PointsToNode(CG, n, es, JavaObject) { if (es > NoEscape) set_scalar_replaceable(false); } @@ -262,8 +257,8 @@ const bool _is_oop; // Field points to object bool _has_unknown_base; // Has phantom_object base public: - FieldNode(Compile *C, Node* n, EscapeState es, int offs, bool is_oop): - PointsToNode(C, n, es, Field), + FieldNode(ConnectionGraph *CG, Node* n, EscapeState es, int offs, bool is_oop): + PointsToNode(CG, n, es, Field), _offset(offs), _is_oop(is_oop), _has_unknown_base(false) {} @@ -284,8 +279,8 @@ class ArraycopyNode: public PointsToNode { public: - ArraycopyNode(Compile *C, Node* n, EscapeState es): - PointsToNode(C, n, es, Arraycopy) {} + ArraycopyNode(ConnectionGraph *CG, Node* n, EscapeState es): + PointsToNode(CG, n, es, Arraycopy) {} }; // Iterators for PointsTo node's edges: @@ -323,11 +318,14 @@ class ConnectionGraph: public ResourceObj { + friend class PointsToNode; private: GrowableArray<PointsToNode*> _nodes; // Map from ideal nodes to // ConnectionGraph nodes. GrowableArray<PointsToNode*> _worklist; // Nodes to be processed + VectorSet _in_worklist; + uint _next_pidx; bool _collecting; // Indicates whether escape information // is still being collected. If false, @@ -353,6 +351,8 @@ } uint nodes_size() const { return _nodes.length(); } + uint next_pidx() { return _next_pidx++; } + // Add nodes to ConnectionGraph. void add_local_var(Node* n, PointsToNode::EscapeState es); void add_java_object(Node* n, PointsToNode::EscapeState es); @@ -396,15 +396,26 @@ int add_java_object_edges(JavaObjectNode* jobj, bool populate_worklist); // Put node on worklist if it is (or was) not there. - void add_to_worklist(PointsToNode* pt) { - _worklist.push(pt); - return; + inline void add_to_worklist(PointsToNode* pt) { + PointsToNode* ptf = pt; + uint pidx_bias = 0; + if (PointsToNode::is_base_use(pt)) { + // Create a separate entry in _in_worklist for a marked base edge + // because _worklist may have an entry for a normal edge pointing + // to the same node. To separate them use _next_pidx as bias. + ptf = PointsToNode::get_use_node(pt)->as_Field(); + pidx_bias = _next_pidx; + } + if (!_in_worklist.test_set(ptf->pidx() + pidx_bias)) { + _worklist.append(pt); + } } // Put on worklist all uses of this node. - void add_uses_to_worklist(PointsToNode* pt) { - for (UseIterator i(pt); i.has_next(); i.next()) - _worklist.push(i.get()); + inline void add_uses_to_worklist(PointsToNode* pt) { + for (UseIterator i(pt); i.has_next(); i.next()) { + add_to_worklist(i.get()); + } } // Put on worklist all field's uses and related field nodes. @@ -517,8 +528,8 @@ } // Helper functions bool is_oop_field(Node* n, int offset, bool* unsafe); - static Node* get_addp_base(Node *addp); - static Node* find_second_addp(Node* addp, Node* n); + static Node* get_addp_base(Node *addp); + static Node* find_second_addp(Node* addp, Node* n); // offset of a field reference int address_offset(Node* adr, PhaseTransform *phase); @@ -587,4 +598,17 @@ #endif }; +inline PointsToNode::PointsToNode(ConnectionGraph *CG, Node* n, EscapeState es, NodeType type): + _edges(CG->_compile->comp_arena(), 2, 0, NULL), + _uses (CG->_compile->comp_arena(), 2, 0, NULL), + _node(n), + _idx(n->_idx), + _pidx(CG->next_pidx()), + _type((u1)type), + _escape((u1)es), + _fields_escape((u1)es), + _flags(ScalarReplaceable) { + assert(n != NULL && es != UnknownEscape, "sanity"); +} + #endif // SHARE_VM_OPTO_ESCAPE_HPP
--- a/src/share/vm/opto/loopopts.cpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/opto/loopopts.cpp Thu Dec 04 14:30:02 2014 +0000 @@ -1393,7 +1393,8 @@ // loop. Happens if people set a loop-exit flag; then test the flag // in the loop to break the loop, then test is again outside of the // loop to determine which way the loop exited. - if( use->is_If() || use->is_CMove() ) { + // Loop predicate If node connects to Bool node through Opaque1 node. + if (use->is_If() || use->is_CMove() || C->is_predicate_opaq(use)) { // Since this code is highly unlikely, we lazily build the worklist // of such Nodes to go split. if( !split_if_set )
--- a/src/share/vm/opto/parse2.cpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/opto/parse2.cpp Thu Dec 04 14:30:02 2014 +0000 @@ -895,53 +895,12 @@ // if a path is never taken, its controlling comparison is // already acting in a stable fashion. If the comparison // seems stable, we will put an expensive uncommon trap -// on the untaken path. To be conservative, and to allow -// partially executed counted loops to be compiled fully, -// we will plant uncommon traps only after pointer comparisons. +// on the untaken path. bool Parse::seems_stable_comparison(BoolTest::mask btest, Node* cmp) { - for (int depth = 4; depth > 0; depth--) { - // The following switch can find CmpP here over half the time for - // dynamic language code rich with type tests. - // Code using counted loops or array manipulations (typical - // of benchmarks) will have many (>80%) CmpI instructions. - switch (cmp->Opcode()) { - case Op_CmpP: - // A never-taken null check looks like CmpP/BoolTest::eq. - // These certainly should be closed off as uncommon traps. - if (btest == BoolTest::eq) - return true; - // A never-failed type check looks like CmpP/BoolTest::ne. - // Let's put traps on those, too, so that we don't have to compile - // unused paths with indeterminate dynamic type information. - if (ProfileDynamicTypes) - return true; - return false; - - case Op_CmpI: - // A small minority (< 10%) of CmpP are masked as CmpI, - // as if by boolean conversion ((p == q? 1: 0) != 0). - // Detect that here, even if it hasn't optimized away yet. - // Specifically, this covers the 'instanceof' operator. - if (btest == BoolTest::ne || btest == BoolTest::eq) { - if (_gvn.type(cmp->in(2))->singleton() && - cmp->in(1)->is_Phi()) { - PhiNode* phi = cmp->in(1)->as_Phi(); - int true_path = phi->is_diamond_phi(); - if (true_path > 0 && - _gvn.type(phi->in(1))->singleton() && - _gvn.type(phi->in(2))->singleton()) { - // phi->region->if_proj->ifnode->bool->cmp - BoolNode* bol = phi->in(0)->in(1)->in(0)->in(1)->as_Bool(); - btest = bol->_test._test; - cmp = bol->in(1); - continue; - } - } - } - return false; - } + if (C->too_many_traps(method(), bci(), Deoptimization::Reason_unstable_if)) { + return false; } - return false; + return true; } //-------------------------------repush_if_args-------------------------------- @@ -1180,32 +1139,8 @@ bool is_fallthrough = (path == successor_for_bci(iter().next_bci())); if (seems_never_taken(prob) && seems_stable_comparison(btest, c)) { - // If this might possibly turn into an implicit null check, - // and the null has never yet been seen, we need to generate - // an uncommon trap, so as to recompile instead of suffering - // with very slow branches. (We'll get the slow branches if - // the program ever changes phase and starts seeing nulls here.) - // - // We do not inspect for a null constant, since a node may - // optimize to 'null' later on. - // - // Null checks, and other tests which expect inequality, - // show btest == BoolTest::eq along the non-taken branch. - // On the other hand, type tests, must-be-null tests, - // and other tests which expect pointer equality, - // show btest == BoolTest::ne along the non-taken branch. - // We prune both types of branches if they look unused. repush_if_args(); - // We need to mark this branch as taken so that if we recompile we will - // see that it is possible. In the tiered system the interpreter doesn't - // do profiling and by the time we get to the lower tier from the interpreter - // the path may be cold again. Make sure it doesn't look untaken - if (is_fallthrough) { - profile_not_taken_branch(!ProfileInterpreter); - } else { - profile_taken_branch(iter().get_dest(), !ProfileInterpreter); - } - uncommon_trap(Deoptimization::Reason_unreached, + uncommon_trap(Deoptimization::Reason_unstable_if, Deoptimization::Action_reinterpret, NULL, (is_fallthrough ? "taken always" : "taken never"));
--- a/src/share/vm/prims/jvm.cpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/prims/jvm.cpp Thu Dec 04 14:30:02 2014 +0000 @@ -391,6 +391,23 @@ JVM_END +/* + * Return the temporary directory that the VM uses for the attach + * and perf data files. + * + * It is important that this directory is well-known and the + * same for all VM instances. It cannot be affected by configuration + * variables such as java.io.tmpdir. + */ +JVM_ENTRY(jstring, JVM_GetTemporaryDirectory(JNIEnv *env)) + JVMWrapper("JVM_GetTemporaryDirectory"); + HandleMark hm(THREAD); + const char* temp_dir = os::get_temp_directory(); + Handle h = java_lang_String::create_from_platform_dependent_str(temp_dir, CHECK_NULL); + return (jstring) JNIHandles::make_local(env, h()); +JVM_END + + // java.lang.Runtime ///////////////////////////////////////////////////////////////////////// extern volatile jint vm_created;
--- a/src/share/vm/prims/jvm.h Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/prims/jvm.h Thu Dec 04 14:30:02 2014 +0000 @@ -1480,6 +1480,9 @@ JNIEXPORT jobject JNICALL JVM_InitAgentProperties(JNIEnv *env, jobject agent_props); +JNIEXPORT jstring JNICALL +JVM_GetTemporaryDirectory(JNIEnv *env); + /* Generics reflection support. * * Returns information about the given class's EnclosingMethod
--- a/src/share/vm/runtime/deoptimization.cpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/runtime/deoptimization.cpp Thu Dec 04 14:30:02 2014 +0000 @@ -1805,7 +1805,8 @@ "div0_check", "age", "predicate", - "loop_limit_check" + "loop_limit_check", + "unstable_if" }; const char* Deoptimization::_trap_action_name[Action_LIMIT] = { // Note: Keep this in sync. with enum DeoptAction.
--- a/src/share/vm/runtime/deoptimization.hpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/runtime/deoptimization.hpp Thu Dec 04 14:30:02 2014 +0000 @@ -59,6 +59,7 @@ Reason_age, // nmethod too old; tier threshold reached Reason_predicate, // compiler generated predicate failed Reason_loop_limit_check, // compiler generated loop limits check failed + Reason_unstable_if, // a branch predicted always false was taken Reason_LIMIT, // Note: Keep this enum in sync. with _trap_reason_name. Reason_RECORDED_LIMIT = Reason_bimorphic // some are not recorded per bc @@ -311,6 +312,8 @@ return reason; else if (reason == Reason_div0_check) // null check due to divide-by-zero? return Reason_null_check; // recorded per BCI as a null check + else if (reason == Reason_unstable_if) + return Reason_intrinsic; else return Reason_none; }
--- a/src/share/vm/runtime/vmStructs.cpp Thu Nov 27 11:27:10 2014 +0000 +++ b/src/share/vm/runtime/vmStructs.cpp Thu Dec 04 14:30:02 2014 +0000 @@ -2454,6 +2454,7 @@ declare_constant(Deoptimization::Reason_age) \ declare_constant(Deoptimization::Reason_predicate) \ declare_constant(Deoptimization::Reason_loop_limit_check) \ + declare_constant(Deoptimization::Reason_unstable_if) \ declare_constant(Deoptimization::Reason_LIMIT) \ declare_constant(Deoptimization::Reason_RECORDED_LIMIT) \ \
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/exceptions/CatchInlineExceptions.java Thu Dec 04 14:30:02 2014 +0000 @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/** + * @test + * @bug 8059299 + * @summary assert(adr_type != NULL) failed: expecting TypeKlassPtr + * @run main/othervm -Xbatch CatchInlineExceptions + */ + +class Exception1 extends Exception {}; +class Exception2 extends Exception {}; + +public class CatchInlineExceptions { + private static int counter0; + private static int counter1; + private static int counter2; + private static int counter; + + static void foo(int i) throws Exception { + if ((i & 1023) == 2) { + counter0++; + throw new Exception2(); + } + } + + static void test(int i) throws Exception { + try { + foo(i); + } + catch (Exception e) { + if (e instanceof Exception1) { + counter1++; + } else if (e instanceof Exception2) { + counter2++; + } + counter++; + throw e; + } + } + + public static void main(String[] args) throws Throwable { + for (int i = 0; i < 15000; i++) { + try { + test(i); + } catch (Exception e) { + // expected + } + } + if (counter1 != 0) { + throw new RuntimeException("Failed: counter1(" + counter1 + ") != 0"); + } + if (counter2 != counter0) { + throw new RuntimeException("Failed: counter2(" + counter2 + ") != counter0(" + counter0 + ")"); + } + if (counter2 != counter) { + throw new RuntimeException("Failed: counter2(" + counter2 + ") != counter(" + counter + ")"); + } + System.out.println("TEST PASSED"); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/LoadClass/ShowClassLoader.java Thu Dec 04 14:30:02 2014 +0000 @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @key regression + * @bug 8058927 + * @summary Make sure array class has the right class loader + * @run main ShowClassLoader + */ + +public class ShowClassLoader { + + public static void main(String[] args) { + Object[] oa = new Object[0]; + ShowClassLoader[] sa = new ShowClassLoader[0]; + + System.out.println("Classloader for Object[] is " + oa.getClass().getClassLoader()); + System.out.println("Classloader for SCL[] is " + sa.getClass().getClassLoader() ); + + if (sa.getClass().getClassLoader() == null) { + throw new RuntimeException("Wrong class loader"); + } + } +}