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 25 # include "incls/_precompiled.incl" 26 # include "incls/_c1_LIRAssembler.cpp.incl" 27 28 29 void LIR_Assembler::patching_epilog(PatchingStub* patch, LIR_PatchCode patch_code, Register obj, CodeEmitInfo* info) { 30 // we must have enough patching space so that call can be inserted 31 while ((intx) _masm->pc() - (intx) patch->pc_start() < NativeCall::instruction_size) { 32 _masm->nop(); 33 } 34 patch->install(_masm, patch_code, obj, info); 35 append_patching_stub(patch); 36 37 #ifdef ASSERT 38 Bytecodes::Code code = info->scope()->method()->java_code_at_bci(info->stack()->bci()); 39 if (patch->id() == PatchingStub::access_field_id) { 40 switch (code) { 41 case Bytecodes::_putstatic: 42 case Bytecodes::_getstatic: 43 case Bytecodes::_putfield: 44 case Bytecodes::_getfield: 45 break; 46 default: | 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 25 #include "precompiled.hpp" 26 #include "c1/c1_Compilation.hpp" 27 #include "c1/c1_Instruction.hpp" 28 #include "c1/c1_InstructionPrinter.hpp" 29 #include "c1/c1_LIRAssembler.hpp" 30 #include "c1/c1_MacroAssembler.hpp" 31 #include "c1/c1_ValueStack.hpp" 32 #include "ci/ciInstance.hpp" 33 #ifdef TARGET_ARCH_x86 34 # include "nativeInst_x86.hpp" 35 # include "vmreg_x86.inline.hpp" 36 #endif 37 #ifdef TARGET_ARCH_sparc 38 # include "nativeInst_sparc.hpp" 39 # include "vmreg_sparc.inline.hpp" 40 #endif 41 #ifdef TARGET_ARCH_zero 42 # include "nativeInst_zero.hpp" 43 # include "vmreg_zero.inline.hpp" 44 #endif 45 46 47 void LIR_Assembler::patching_epilog(PatchingStub* patch, LIR_PatchCode patch_code, Register obj, CodeEmitInfo* info) { 48 // we must have enough patching space so that call can be inserted 49 while ((intx) _masm->pc() - (intx) patch->pc_start() < NativeCall::instruction_size) { 50 _masm->nop(); 51 } 52 patch->install(_masm, patch_code, obj, info); 53 append_patching_stub(patch); 54 55 #ifdef ASSERT 56 Bytecodes::Code code = info->scope()->method()->java_code_at_bci(info->stack()->bci()); 57 if (patch->id() == PatchingStub::access_field_id) { 58 switch (code) { 59 case Bytecodes::_putstatic: 60 case Bytecodes::_getstatic: 61 case Bytecodes::_putfield: 62 case Bytecodes::_getfield: 63 break; 64 default: |