hotspot/src/cpu/sparc/vm/jvmciCodeInstaller_sparc.cpp
changeset 33160 c59f1676d27e
child 33632 038347770a9e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/cpu/sparc/vm/jvmciCodeInstaller_sparc.cpp	Thu Oct 08 12:49:30 2015 -1000
@@ -0,0 +1,186 @@
+/*
+ * Copyright (c) 2013, 2015, 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.
+ */
+
+#include "jvmci/jvmciCodeInstaller.hpp"
+#include "jvmci/jvmciRuntime.hpp"
+#include "jvmci/jvmciCompilerToVM.hpp"
+#include "jvmci/jvmciJavaClasses.hpp"
+#include "oops/oop.inline.hpp"
+#include "runtime/sharedRuntime.hpp"
+#include "vmreg_sparc.inline.hpp"
+
+jint CodeInstaller::pd_next_offset(NativeInstruction* inst, jint pc_offset, oop method) {
+  if (inst->is_call() || inst->is_jump()) {
+    return pc_offset + NativeCall::instruction_size;
+  } else if (inst->is_call_reg()) {
+    return pc_offset + NativeCallReg::instruction_size;
+  } else if (inst->is_sethi()) {
+    return pc_offset + NativeFarCall::instruction_size;
+  } else {
+    fatal("unsupported type of instruction for call site");
+    return 0;
+  }
+}
+
+void CodeInstaller::pd_patch_OopConstant(int pc_offset, Handle& constant) {
+  address pc = _instructions->start() + pc_offset;
+  Handle obj = HotSpotObjectConstantImpl::object(constant);
+  jobject value = JNIHandles::make_local(obj());
+  if (HotSpotObjectConstantImpl::compressed(constant)) {
+#ifdef _LP64
+    int oop_index = _oop_recorder->find_index(value);
+    RelocationHolder rspec = oop_Relocation::spec(oop_index);
+    _instructions->relocate(pc, rspec, 1);
+#else
+    fatal("compressed oop on 32bit");
+#endif
+  } else {
+    NativeMovConstReg* move = nativeMovConstReg_at(pc);
+    move->set_data((intptr_t) value);
+
+    // We need two relocations:  one on the sethi and one on the add.
+    int oop_index = _oop_recorder->find_index(value);
+    RelocationHolder rspec = oop_Relocation::spec(oop_index);
+    _instructions->relocate(pc + NativeMovConstReg::sethi_offset, rspec);
+    _instructions->relocate(pc + NativeMovConstReg::add_offset, rspec);
+  }
+}
+
+void CodeInstaller::pd_patch_DataSectionReference(int pc_offset, int data_offset) {
+  address pc = _instructions->start() + pc_offset;
+  NativeInstruction* inst = nativeInstruction_at(pc);
+  NativeInstruction* inst1 = nativeInstruction_at(pc + 4);
+  if(inst->is_sethi() && inst1->is_nop()) {
+      address const_start = _constants->start();
+      address dest = _constants->start() + data_offset;
+      if(_constants_size > 0) {
+        _instructions->relocate(pc + NativeMovConstReg::sethi_offset, internal_word_Relocation::spec((address) dest));
+        _instructions->relocate(pc + NativeMovConstReg::add_offset, internal_word_Relocation::spec((address) dest));
+      }
+      TRACE_jvmci_3("relocating at " PTR_FORMAT " (+%d) with destination at %d", p2i(pc), pc_offset, data_offset);
+  }else {
+    int const_size = align_size_up(_constants->end()-_constants->start(), CodeEntryAlignment);
+    NativeMovRegMem* load = nativeMovRegMem_at(pc);
+    // This offset must match with SPARCLoadConstantTableBaseOp.emitCode
+    load->set_offset(- (const_size - data_offset + Assembler::min_simm13()));
+    TRACE_jvmci_3("relocating ld at " PTR_FORMAT " (+%d) with destination at %d", p2i(pc), pc_offset, data_offset);
+  }
+}
+
+void CodeInstaller::pd_relocate_CodeBlob(CodeBlob* cb, NativeInstruction* inst) {
+  fatal("CodeInstaller::pd_relocate_CodeBlob - sparc unimp");
+}
+
+void CodeInstaller::pd_relocate_ForeignCall(NativeInstruction* inst, jlong foreign_call_destination) {
+  address pc = (address) inst;
+  if (inst->is_call()) {
+    NativeCall* call = nativeCall_at(pc);
+    call->set_destination((address) foreign_call_destination);
+    _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec());
+  } else if (inst->is_sethi()) {
+    NativeJump* jump = nativeJump_at(pc);
+    jump->set_jump_destination((address) foreign_call_destination);
+    _instructions->relocate(jump->instruction_address(), runtime_call_Relocation::spec());
+  } else {
+    fatal(err_msg("unknown call or jump instruction at " PTR_FORMAT, p2i(pc)));
+  }
+  TRACE_jvmci_3("relocating (foreign call) at " PTR_FORMAT, p2i(inst));
+}
+
+void CodeInstaller::pd_relocate_JavaMethod(oop hotspot_method, jint pc_offset) {
+#ifdef ASSERT
+  Method* method = NULL;
+  // we need to check, this might also be an unresolved method
+  if (hotspot_method->is_a(HotSpotResolvedJavaMethodImpl::klass())) {
+    method = getMethodFromHotSpotMethod(hotspot_method);
+  }
+#endif
+  switch (_next_call_type) {
+    case INLINE_INVOKE:
+      break;
+    case INVOKEVIRTUAL:
+    case INVOKEINTERFACE: {
+      assert(method == NULL || !method->is_static(), "cannot call static method with invokeinterface");
+      NativeCall* call = nativeCall_at(_instructions->start() + pc_offset);
+      call->set_destination(SharedRuntime::get_resolve_virtual_call_stub());
+      _instructions->relocate(call->instruction_address(), virtual_call_Relocation::spec(_invoke_mark_pc));
+      break;
+    }
+    case INVOKESTATIC: {
+      assert(method == NULL || method->is_static(), "cannot call non-static method with invokestatic");
+      NativeCall* call = nativeCall_at(_instructions->start() + pc_offset);
+      call->set_destination(SharedRuntime::get_resolve_static_call_stub());
+      _instructions->relocate(call->instruction_address(), relocInfo::static_call_type);
+      break;
+    }
+    case INVOKESPECIAL: {
+      assert(method == NULL || !method->is_static(), "cannot call static method with invokespecial");
+      NativeCall* call = nativeCall_at(_instructions->start() + pc_offset);
+      call->set_destination(SharedRuntime::get_resolve_opt_virtual_call_stub());
+      _instructions->relocate(call->instruction_address(), relocInfo::opt_virtual_call_type);
+      break;
+    }
+    default:
+      fatal("invalid _next_call_type value");
+      break;
+  }
+}
+
+void CodeInstaller::pd_relocate_poll(address pc, jint mark) {
+  switch (mark) {
+    case POLL_NEAR:
+      fatal("unimplemented");
+      break;
+    case POLL_FAR:
+      _instructions->relocate(pc, relocInfo::poll_type);
+      break;
+    case POLL_RETURN_NEAR:
+      fatal("unimplemented");
+      break;
+    case POLL_RETURN_FAR:
+      _instructions->relocate(pc, relocInfo::poll_return_type);
+      break;
+    default:
+      fatal("invalid mark value");
+      break;
+  }
+}
+
+// convert JVMCI register indices (as used in oop maps) to HotSpot registers
+VMReg CodeInstaller::get_hotspot_reg(jint jvmci_reg) {
+  if (jvmci_reg < RegisterImpl::number_of_registers) {
+    return as_Register(jvmci_reg)->as_VMReg();
+  } else {
+    jint floatRegisterNumber = jvmci_reg - RegisterImpl::number_of_registers;
+    floatRegisterNumber += MAX2(0, floatRegisterNumber-32); // Beginning with f32, only every second register is going to be addressed
+    if (floatRegisterNumber < FloatRegisterImpl::number_of_registers) {
+      return as_FloatRegister(floatRegisterNumber)->as_VMReg();
+    }
+    ShouldNotReachHere();
+    return NULL;
+  }
+}
+
+bool CodeInstaller::is_general_purpose_reg(VMReg hotspotRegister) {
+  return !hotspotRegister->is_FloatRegister();
+}