8166869: [JVMCI] record metadata relocations for metadata references
Reviewed-by: kvn
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f99a7c05c4
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146d0563d9
@ -71,7 +71,7 @@ void CodeInstaller::pd_patch_MetaspaceConstant(int pc_offset, Handle constant, T
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if (HotSpotMetaspaceConstantImpl::compressed(constant)) {
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#ifdef _LP64
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NativeMovConstReg32* move = nativeMovConstReg32_at(pc);
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narrowKlass narrowOop = record_narrow_metadata_reference(constant, CHECK);
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narrowKlass narrowOop = record_narrow_metadata_reference(_instructions, pc, constant, CHECK);
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move->set_data((intptr_t)narrowOop);
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TRACE_jvmci_3("relocating (narrow metaspace constant) at " PTR_FORMAT "/0x%x", p2i(pc), narrowOop);
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#else
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@ -79,7 +79,7 @@ void CodeInstaller::pd_patch_MetaspaceConstant(int pc_offset, Handle constant, T
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#endif
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} else {
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NativeMovConstReg* move = nativeMovConstReg_at(pc);
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void* reference = record_metadata_reference(constant, CHECK);
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void* reference = record_metadata_reference(_instructions, pc, constant, CHECK);
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move->set_data((intptr_t)reference);
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TRACE_jvmci_3("relocating (metaspace constant) at " PTR_FORMAT "/" PTR_FORMAT, p2i(pc), p2i(reference));
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}
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@ -89,14 +89,14 @@ void CodeInstaller::pd_patch_MetaspaceConstant(int pc_offset, Handle constant, T
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if (HotSpotMetaspaceConstantImpl::compressed(constant)) {
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#ifdef _LP64
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address operand = Assembler::locate_operand(pc, Assembler::narrow_oop_operand);
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*((narrowKlass*) operand) = record_narrow_metadata_reference(constant, CHECK);
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*((narrowKlass*) operand) = record_narrow_metadata_reference(_instructions, operand, constant, CHECK);
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TRACE_jvmci_3("relocating (narrow metaspace constant) at " PTR_FORMAT "/" PTR_FORMAT, p2i(pc), p2i(operand));
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#else
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JVMCI_ERROR("compressed Klass* on 32bit");
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#endif
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} else {
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address operand = Assembler::locate_operand(pc, Assembler::imm_operand);
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*((void**) operand) = record_metadata_reference(constant, CHECK);
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*((void**) operand) = record_metadata_reference(_instructions, operand, constant, CHECK);
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TRACE_jvmci_3("relocating (metaspace constant) at " PTR_FORMAT "/" PTR_FORMAT, p2i(pc), p2i(operand));
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}
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}
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@ -172,7 +172,7 @@ OopMap* CodeInstaller::create_oop_map(Handle debug_info, TRAPS) {
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return map;
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}
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void* CodeInstaller::record_metadata_reference(Handle constant, TRAPS) {
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void* CodeInstaller::record_metadata_reference(CodeSection* section, address dest, Handle constant, TRAPS) {
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/*
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* This method needs to return a raw (untyped) pointer, since the value of a pointer to the base
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* class is in general not equal to the pointer of the subclass. When patching metaspace pointers,
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@ -184,12 +184,14 @@ void* CodeInstaller::record_metadata_reference(Handle constant, TRAPS) {
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Klass* klass = java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(obj));
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assert(!HotSpotMetaspaceConstantImpl::compressed(constant), "unexpected compressed klass pointer %s @ " INTPTR_FORMAT, klass->name()->as_C_string(), p2i(klass));
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int index = _oop_recorder->find_index(klass);
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section->relocate(dest, metadata_Relocation::spec(index));
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TRACE_jvmci_3("metadata[%d of %d] = %s", index, _oop_recorder->metadata_count(), klass->name()->as_C_string());
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return klass;
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} else if (obj->is_a(HotSpotResolvedJavaMethodImpl::klass())) {
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Method* method = (Method*) (address) HotSpotResolvedJavaMethodImpl::metaspaceMethod(obj);
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assert(!HotSpotMetaspaceConstantImpl::compressed(constant), "unexpected compressed method pointer %s @ " INTPTR_FORMAT, method->name()->as_C_string(), p2i(method));
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int index = _oop_recorder->find_index(method);
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section->relocate(dest, metadata_Relocation::spec(index));
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TRACE_jvmci_3("metadata[%d of %d] = %s", index, _oop_recorder->metadata_count(), method->name()->as_C_string());
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return method;
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} else {
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@ -198,7 +200,7 @@ void* CodeInstaller::record_metadata_reference(Handle constant, TRAPS) {
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}
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#ifdef _LP64
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narrowKlass CodeInstaller::record_narrow_metadata_reference(Handle constant, TRAPS) {
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narrowKlass CodeInstaller::record_narrow_metadata_reference(CodeSection* section, address dest, Handle constant, TRAPS) {
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oop obj = HotSpotMetaspaceConstantImpl::metaspaceObject(constant);
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assert(HotSpotMetaspaceConstantImpl::compressed(constant), "unexpected uncompressed pointer");
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@ -208,6 +210,7 @@ narrowKlass CodeInstaller::record_narrow_metadata_reference(Handle constant, TRA
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Klass* klass = java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(obj));
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int index = _oop_recorder->find_index(klass);
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section->relocate(dest, metadata_Relocation::spec(index));
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TRACE_jvmci_3("narrowKlass[%d of %d] = %s", index, _oop_recorder->metadata_count(), klass->name()->as_C_string());
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return Klass::encode_klass(klass);
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}
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@ -701,12 +704,12 @@ JVMCIEnv::CodeInstallResult CodeInstaller::initialize_buffer(CodeBuffer& buffer,
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if (constant->is_a(HotSpotMetaspaceConstantImpl::klass())) {
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if (HotSpotMetaspaceConstantImpl::compressed(constant)) {
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#ifdef _LP64
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*((narrowKlass*) dest) = record_narrow_metadata_reference(constant, CHECK_OK);
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*((narrowKlass*) dest) = record_narrow_metadata_reference(_constants, dest, constant, CHECK_OK);
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#else
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JVMCI_ERROR_OK("unexpected compressed Klass* in 32-bit mode");
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#endif
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} else {
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*((void**) dest) = record_metadata_reference(constant, CHECK_OK);
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*((void**) dest) = record_metadata_reference(_constants, dest, constant, CHECK_OK);
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}
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} else if (constant->is_a(HotSpotObjectConstantImpl::klass())) {
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Handle obj = HotSpotObjectConstantImpl::object(constant);
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@ -189,9 +189,9 @@ protected:
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ScopeValue* get_scope_value(Handle value, BasicType type, GrowableArray<ScopeValue*>* objects, ScopeValue* &second, TRAPS);
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MonitorValue* get_monitor_value(Handle value, GrowableArray<ScopeValue*>* objects, TRAPS);
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void* record_metadata_reference(Handle constant, TRAPS);
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void* record_metadata_reference(CodeSection* section, address dest, Handle constant, TRAPS);
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#ifdef _LP64
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narrowKlass record_narrow_metadata_reference(Handle constant, TRAPS);
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narrowKlass record_narrow_metadata_reference(CodeSection* section, address dest, Handle constant, TRAPS);
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#endif
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// extract the fields of the HotSpotCompiledCode
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