8168699: Validate special case invocations
Reviewed-by: acorn, kvn, lfoltan, ctornqvi, ahgross, vlivanov
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* Copyright (c) 2016 SAP SE. All rights reserved.
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* under the terms of the GNU General Public License version 2 only, as
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*
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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// Platform-specific definitions for method handles.
// These definitions are inlined into class MethodHandles.
// Adapters
enum /* platform_dependent_constants */ {
adapter_code_size = NOT_LP64(23000 DEBUG_ONLY(+ 40000)) LP64_ONLY(35000 DEBUG_ONLY(+ 50000))
};
// Additional helper methods for MethodHandles code generation:
public:
static void load_klass_from_Class(MacroAssembler* _masm, Register klass_reg, Register temp_reg, Register temp2_reg);
static void verify_klass(MacroAssembler* _masm,
Register obj_reg, SystemDictionary::WKID klass_id,
Register temp_reg, Register temp2_reg,
const char* error_message = "wrong klass") NOT_DEBUG_RETURN;
static void verify_method_handle(MacroAssembler* _masm, Register mh_reg,
Register temp_reg, Register temp2_reg) {
verify_klass(_masm, mh_reg, SystemDictionary::WK_KLASS_ENUM_NAME(java_lang_invoke_MethodHandle),
temp_reg, temp2_reg,
"reference is a MH");
}
static void verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) NOT_DEBUG_RETURN;
// Similar to InterpreterMacroAssembler::jump_from_interpreted.
// Takes care of special dispatch from single stepping too.
static void jump_from_method_handle(MacroAssembler* _masm, Register method,
Register temp, Register temp2,
bool for_compiler_entry);
static void jump_to_lambda_form(MacroAssembler* _masm,
Register recv, Register method_temp,
Register temp2, Register temp3,
bool for_compiler_entry);