Mercurial > hg > truffle
diff src/cpu/ppc/vm/interp_masm_ppc_64.hpp @ 14408:ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
Summary: With this change the HotSpot core build works on Linux/PPC64. The VM succesfully executes simple test programs.
Reviewed-by: kvn
author | goetz |
---|---|
date | Fri, 02 Aug 2013 16:46:45 +0200 |
parents | |
children | 67fa91961822 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cpu/ppc/vm/interp_masm_ppc_64.hpp Fri Aug 02 16:46:45 2013 +0200 @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright 2012, 2013 SAP AG. 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. + * + */ + +#ifndef CPU_PPC_VM_INTERP_MASM_PPC_64_HPP +#define CPU_PPC_VM_INTERP_MASM_PPC_64_HPP + +#include "assembler_ppc.inline.hpp" +#include "interpreter/invocationCounter.hpp" + +// This file specializes the assembler with interpreter-specific macros + + +class InterpreterMacroAssembler: public MacroAssembler { + + public: + InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {} + + // Handy address generation macros +#define thread_(field_name) in_bytes(JavaThread::field_name ## _offset()), R16_thread +#define method_(field_name) in_bytes(Method::field_name ## _offset()), R19_method + +#ifdef CC_INTERP +#define state_(field_name) in_bytes(byte_offset_of(BytecodeInterpreter, field_name)), R14_state +#define prev_state_(field_name) in_bytes(byte_offset_of(BytecodeInterpreter, field_name)), R15_prev_state +#endif + + void get_method_counters(Register method, Register Rcounters, Label& skip); + void increment_invocation_counter(Register iv_be_count, Register Rtmp1, Register Rtmp2_r0); + + // Object locking + void lock_object (Register lock_reg, Register obj_reg); + void unlock_object(Register lock_reg); + + // Debugging + void verify_oop(Register reg, TosState state = atos); // only if +VerifyOops && state == atos + + // support for jvmdi/jvmpi + void notify_method_entry(); + void notify_method_exit(bool save_result, TosState state); + + // Convert the current TOP_IJAVA_FRAME into a PARENT_IJAVA_FRAME + // (using parent_frame_resize) and push a new interpreter + // TOP_IJAVA_FRAME (using frame_size). + void push_interpreter_frame(Register top_frame_size, Register parent_frame_resize, + Register tmp1, Register tmp2, Register tmp3, Register tmp4, Register pc=noreg); + + // Pop the topmost TOP_IJAVA_FRAME and convert the previous + // PARENT_IJAVA_FRAME back into a TOP_IJAVA_FRAME. + void pop_interpreter_frame(Register tmp1, Register tmp2, Register tmp3, Register tmp4); + + // Turn state's interpreter frame into the current TOP_IJAVA_FRAME. + void pop_interpreter_frame_to_state(Register state, Register tmp1, Register tmp2, Register tmp3); + + // Set SP to initial caller's sp, but before fix the back chain. + void resize_frame_to_initial_caller(Register tmp1, Register tmp2); + + // Pop the current interpreter state (without popping the + // correspoding frame) and restore R14_state and R15_prev_state + // accordingly. Use prev_state_may_be_0 to indicate whether + // prev_state may be 0 in order to generate an extra check before + // retrieving prev_state_(_prev_link). + void pop_interpreter_state(bool prev_state_may_be_0); + + void restore_prev_state(); +}; + +#endif // CPU_PPC_VM_INTERP_MASM_PPC_64_HPP