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src/hotspot/cpu/aarch64/jvmciCodeInstaller_aarch64.cpp

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   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_aarch64.inline.hpp"
  31 
  32 jint CodeInstaller::pd_next_offset(NativeInstruction* inst, jint pc_offset, Handle method, TRAPS) {
  33   if (inst->is_call() || inst->is_jump() || inst->is_blr()) {
  34     return pc_offset + NativeCall::instruction_size;
  35   } else if (inst->is_general_jump()) {
  36     return pc_offset + NativeGeneralJump::instruction_size;
  37   } else {
  38     JVMCI_ERROR_0("unsupported type of instruction for call site");
  39   }
  40 }
  41 
  42 void CodeInstaller::pd_patch_OopConstant(int pc_offset, Handle constant, TRAPS) {
  43   address pc = _instructions->start() + pc_offset;
  44 #ifdef ASSERT
  45   {
  46     NativeInstruction *insn = nativeInstruction_at(pc);
  47     if (HotSpotObjectConstantImpl::compressed(constant)) {
  48       // Mov narrow constant: movz n << 16, movk




   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/handles.inline.hpp"
  30 #include "runtime/sharedRuntime.hpp"
  31 #include "vmreg_aarch64.inline.hpp"
  32 
  33 jint CodeInstaller::pd_next_offset(NativeInstruction* inst, jint pc_offset, Handle method, TRAPS) {
  34   if (inst->is_call() || inst->is_jump() || inst->is_blr()) {
  35     return pc_offset + NativeCall::instruction_size;
  36   } else if (inst->is_general_jump()) {
  37     return pc_offset + NativeGeneralJump::instruction_size;
  38   } else {
  39     JVMCI_ERROR_0("unsupported type of instruction for call site");
  40   }
  41 }
  42 
  43 void CodeInstaller::pd_patch_OopConstant(int pc_offset, Handle constant, TRAPS) {
  44   address pc = _instructions->start() + pc_offset;
  45 #ifdef ASSERT
  46   {
  47     NativeInstruction *insn = nativeInstruction_at(pc);
  48     if (HotSpotObjectConstantImpl::compressed(constant)) {
  49       // Mov narrow constant: movz n << 16, movk


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