jvmciCodeInstaller_sparc.cpp revision 9111:a41fe5ffa839
1/* 2 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24#include "jvmci/jvmciCodeInstaller.hpp" 25#include "jvmci/jvmciRuntime.hpp" 26#include "jvmci/jvmciCompilerToVM.hpp" 27#include "jvmci/jvmciJavaClasses.hpp" 28#include "oops/oop.inline.hpp" 29#include "runtime/sharedRuntime.hpp" 30#include "vmreg_sparc.inline.hpp" 31 32jint CodeInstaller::pd_next_offset(NativeInstruction* inst, jint pc_offset, oop method) { 33 if (inst->is_call() || inst->is_jump()) { 34 return pc_offset + NativeCall::instruction_size; 35 } else if (inst->is_call_reg()) { 36 return pc_offset + NativeCallReg::instruction_size; 37 } else if (inst->is_sethi()) { 38 return pc_offset + NativeFarCall::instruction_size; 39 } else { 40 fatal("unsupported type of instruction for call site"); 41 return 0; 42 } 43} 44 45void CodeInstaller::pd_patch_OopConstant(int pc_offset, Handle& constant) { 46 address pc = _instructions->start() + pc_offset; 47 Handle obj = HotSpotObjectConstantImpl::object(constant); 48 jobject value = JNIHandles::make_local(obj()); 49 if (HotSpotObjectConstantImpl::compressed(constant)) { 50#ifdef _LP64 51 int oop_index = _oop_recorder->find_index(value); 52 RelocationHolder rspec = oop_Relocation::spec(oop_index); 53 _instructions->relocate(pc, rspec, 1); 54#else 55 fatal("compressed oop on 32bit"); 56#endif 57 } else { 58 NativeMovConstReg* move = nativeMovConstReg_at(pc); 59 move->set_data((intptr_t) value); 60 61 // We need two relocations: one on the sethi and one on the add. 62 int oop_index = _oop_recorder->find_index(value); 63 RelocationHolder rspec = oop_Relocation::spec(oop_index); 64 _instructions->relocate(pc + NativeMovConstReg::sethi_offset, rspec); 65 _instructions->relocate(pc + NativeMovConstReg::add_offset, rspec); 66 } 67} 68 69void CodeInstaller::pd_patch_DataSectionReference(int pc_offset, int data_offset) { 70 address pc = _instructions->start() + pc_offset; 71 NativeInstruction* inst = nativeInstruction_at(pc); 72 NativeInstruction* inst1 = nativeInstruction_at(pc + 4); 73 if(inst->is_sethi() && inst1->is_nop()) { 74 address const_start = _constants->start(); 75 address dest = _constants->start() + data_offset; 76 if(_constants_size > 0) { 77 _instructions->relocate(pc + NativeMovConstReg::sethi_offset, internal_word_Relocation::spec((address) dest)); 78 _instructions->relocate(pc + NativeMovConstReg::add_offset, internal_word_Relocation::spec((address) dest)); 79 } 80 TRACE_jvmci_3("relocating at " PTR_FORMAT " (+%d) with destination at %d", p2i(pc), pc_offset, data_offset); 81 }else { 82 int const_size = align_size_up(_constants->end()-_constants->start(), CodeEntryAlignment); 83 NativeMovRegMem* load = nativeMovRegMem_at(pc); 84 // This offset must match with SPARCLoadConstantTableBaseOp.emitCode 85 load->set_offset(- (const_size - data_offset + Assembler::min_simm13())); 86 TRACE_jvmci_3("relocating ld at " PTR_FORMAT " (+%d) with destination at %d", p2i(pc), pc_offset, data_offset); 87 } 88} 89 90void CodeInstaller::pd_relocate_CodeBlob(CodeBlob* cb, NativeInstruction* inst) { 91 fatal("CodeInstaller::pd_relocate_CodeBlob - sparc unimp"); 92} 93 94void CodeInstaller::pd_relocate_ForeignCall(NativeInstruction* inst, jlong foreign_call_destination) { 95 address pc = (address) inst; 96 if (inst->is_call()) { 97 NativeCall* call = nativeCall_at(pc); 98 call->set_destination((address) foreign_call_destination); 99 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec()); 100 } else if (inst->is_sethi()) { 101 NativeJump* jump = nativeJump_at(pc); 102 jump->set_jump_destination((address) foreign_call_destination); 103 _instructions->relocate(jump->instruction_address(), runtime_call_Relocation::spec()); 104 } else { 105 fatal(err_msg("unknown call or jump instruction at " PTR_FORMAT, p2i(pc))); 106 } 107 TRACE_jvmci_3("relocating (foreign call) at " PTR_FORMAT, p2i(inst)); 108} 109 110void CodeInstaller::pd_relocate_JavaMethod(oop hotspot_method, jint pc_offset) { 111#ifdef ASSERT 112 Method* method = NULL; 113 // we need to check, this might also be an unresolved method 114 if (hotspot_method->is_a(HotSpotResolvedJavaMethodImpl::klass())) { 115 method = getMethodFromHotSpotMethod(hotspot_method); 116 } 117#endif 118 switch (_next_call_type) { 119 case INLINE_INVOKE: 120 break; 121 case INVOKEVIRTUAL: 122 case INVOKEINTERFACE: { 123 assert(method == NULL || !method->is_static(), "cannot call static method with invokeinterface"); 124 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); 125 call->set_destination(SharedRuntime::get_resolve_virtual_call_stub()); 126 _instructions->relocate(call->instruction_address(), virtual_call_Relocation::spec(_invoke_mark_pc)); 127 break; 128 } 129 case INVOKESTATIC: { 130 assert(method == NULL || method->is_static(), "cannot call non-static method with invokestatic"); 131 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); 132 call->set_destination(SharedRuntime::get_resolve_static_call_stub()); 133 _instructions->relocate(call->instruction_address(), relocInfo::static_call_type); 134 break; 135 } 136 case INVOKESPECIAL: { 137 assert(method == NULL || !method->is_static(), "cannot call static method with invokespecial"); 138 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); 139 call->set_destination(SharedRuntime::get_resolve_opt_virtual_call_stub()); 140 _instructions->relocate(call->instruction_address(), relocInfo::opt_virtual_call_type); 141 break; 142 } 143 default: 144 fatal("invalid _next_call_type value"); 145 break; 146 } 147} 148 149void CodeInstaller::pd_relocate_poll(address pc, jint mark) { 150 switch (mark) { 151 case POLL_NEAR: 152 fatal("unimplemented"); 153 break; 154 case POLL_FAR: 155 _instructions->relocate(pc, relocInfo::poll_type); 156 break; 157 case POLL_RETURN_NEAR: 158 fatal("unimplemented"); 159 break; 160 case POLL_RETURN_FAR: 161 _instructions->relocate(pc, relocInfo::poll_return_type); 162 break; 163 default: 164 fatal("invalid mark value"); 165 break; 166 } 167} 168 169// convert JVMCI register indices (as used in oop maps) to HotSpot registers 170VMReg CodeInstaller::get_hotspot_reg(jint jvmci_reg) { 171 if (jvmci_reg < RegisterImpl::number_of_registers) { 172 return as_Register(jvmci_reg)->as_VMReg(); 173 } else { 174 jint floatRegisterNumber = jvmci_reg - RegisterImpl::number_of_registers; 175 floatRegisterNumber += MAX2(0, floatRegisterNumber-32); // Beginning with f32, only every second register is going to be addressed 176 if (floatRegisterNumber < FloatRegisterImpl::number_of_registers) { 177 return as_FloatRegister(floatRegisterNumber)->as_VMReg(); 178 } 179 ShouldNotReachHere(); 180 return NULL; 181 } 182} 183 184bool CodeInstaller::is_general_purpose_reg(VMReg hotspotRegister) { 185 return !hotspotRegister->is_FloatRegister(); 186} 187