truffle: src/cpu/ppc/vm/nativeInst

annotate src/cpu/ppc/vm/nativeInst_ppc.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	41b780b43b74

rev	line source
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	1 /*
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	3 * Copyright 2012, 2013 SAP AG. All rights reserved.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	5 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	6 * This code is free software; you can redistribute it and/or modify it
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	7 * under the terms of the GNU General Public License version 2 only, as
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	8 * published by the Free Software Foundation.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	9 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	10 * This code is distributed in the hope that it will be useful, but WITHOUT
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	13 * version 2 for more details (a copy is included in the LICENSE file that
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	14 * accompanied this code).
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	15 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	16 * You should have received a copy of the GNU General Public License version
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	17 * 2 along with this work; if not, write to the Free Software Foundation,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	19 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	21 * or visit www.oracle.com if you need additional information or have any
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	22 * questions.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	23 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	24 */
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	25
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	26 #ifndef CPU_PPC_VM_NATIVEINST_PPC_HPP
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	27 #define CPU_PPC_VM_NATIVEINST_PPC_HPP
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	28
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	29 #include "asm/assembler.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	30 #include "asm/macroAssembler.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	31 #include "memory/allocation.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	32 #include "runtime/icache.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	33 #include "runtime/os.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	34 #include "utilities/top.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	35
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	36 // We have interfaces for the following instructions:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	37 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	38 // - NativeInstruction
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	39 // - NativeCall
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	40 // - NativeFarCall
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	41 // - NativeMovConstReg
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	42 // - NativeJump
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	43 // - NativeIllegalInstruction
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	44 // - NativeConditionalFarBranch
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	45 // - NativeCallTrampolineStub
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	46
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	47 // The base class for different kinds of native instruction abstractions.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	48 // It provides the primitive operations to manipulate code relative to this.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	49 class NativeInstruction VALUE_OBJ_CLASS_SPEC {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	50 friend class Relocation;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	51
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	52 public:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	53 bool is_sigtrap_ic_miss_check() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	54 assert(UseSIGTRAP, "precondition");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	55 return MacroAssembler::is_trap_ic_miss_check(long_at(0));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	56 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	57
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	58 bool is_sigtrap_null_check() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	59 assert(UseSIGTRAP && TrapBasedNullChecks, "precondition");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	60 return MacroAssembler::is_trap_null_check(long_at(0));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	61 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	62
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	63 // We use a special trap for marking a method as not_entrant or zombie
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	64 // iff UseSIGTRAP.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	65 bool is_sigtrap_zombie_not_entrant() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	66 assert(UseSIGTRAP, "precondition");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	67 return MacroAssembler::is_trap_zombie_not_entrant(long_at(0));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	68 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	69
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	70 // We use an illtrap for marking a method as not_entrant or zombie
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	71 // iff !UseSIGTRAP.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	72 bool is_sigill_zombie_not_entrant() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	73 assert(!UseSIGTRAP, "precondition");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	74 // Work around a C++ compiler bug which changes 'this'.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	75 return NativeInstruction::is_sigill_zombie_not_entrant_at(addr_at(0));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	76 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	77 static bool is_sigill_zombie_not_entrant_at(address addr);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	78
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	79 // SIGTRAP-based implicit range checks
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	80 bool is_sigtrap_range_check() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	81 assert(UseSIGTRAP && TrapBasedRangeChecks, "precondition");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	82 return MacroAssembler::is_trap_range_check(long_at(0));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	83 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	84
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	85 // 'should not reach here'.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	86 bool is_sigtrap_should_not_reach_here() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	87 return MacroAssembler::is_trap_should_not_reach_here(long_at(0));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	88 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	89
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	90 bool is_safepoint_poll() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	91 // Is the current instruction a POTENTIAL read access to the polling page?
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	92 // The current arguments of the instruction are not checked!
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	93 return MacroAssembler::is_load_from_polling_page(long_at(0), NULL);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	94 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	95
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	96 bool is_memory_serialization(JavaThread thread, void ucontext) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	97 // Is the current instruction a write access of thread to the
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	98 // memory serialization page?
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	99 return MacroAssembler::is_memory_serialization(long_at(0), thread, ucontext);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	100 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	101
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	102 address get_stack_bang_address(void *ucontext) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	103 // If long_at(0) is not a stack bang, return 0. Otherwise, return
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	104 // banged address.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	105 return MacroAssembler::get_stack_bang_address(long_at(0), ucontext);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	106 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	107
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	108 protected:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	109 address addr_at(int offset) const { return address(this) + offset; }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	110 int long_at(int offset) const { return (int)addr_at(offset); }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	111
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	112 public:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	113 void verify() NOT_DEBUG_RETURN;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	114 };
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	115
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	116 inline NativeInstruction* nativeInstruction_at(address address) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	117 NativeInstruction* inst = (NativeInstruction*)address;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	118 inst->verify();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	119 return inst;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	120 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	121
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	122 // The NativeCall is an abstraction for accessing/manipulating call
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	123 // instructions. It is used to manipulate inline caches, primitive &
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	124 // dll calls, etc.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	125 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	126 // Sparc distinguishes `NativeCall' and `NativeFarCall'. On PPC64,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	127 // at present, we provide a single class `NativeCall' representing the
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	128 // sequence `load_const, mtctr, bctrl' or the sequence 'ld_from_toc,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	129 // mtctr, bctrl'.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	130 class NativeCall: public NativeInstruction {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	131 public:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	132
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	133 enum specific_constants {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	134 load_const_instruction_size = 28,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	135 load_const_from_method_toc_instruction_size = 16,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	136 instruction_size = 16 // Used in shared code for calls with reloc_info.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	137 };
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	138
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	139 static bool is_call_at(address a) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	140 return Assembler::is_bl((int)(a));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	141 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	142
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	143 static bool is_call_before(address return_address) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	144 return NativeCall::is_call_at(return_address - 4);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	145 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	146
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	147 address instruction_address() const {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	148 return addr_at(0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	149 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	150
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	151 address next_instruction_address() const {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	152 // We have only bl.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	153 assert(MacroAssembler::is_bl((int)instruction_address()), "Should be bl instruction!");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	154 return addr_at(4);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	155 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	156
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	157 address return_address() const {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	158 return next_instruction_address();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	159 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	160
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	161 address destination() const;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	162
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	163 // The parameter assert_lock disables the assertion during code generation.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	164 void set_destination_mt_safe(address dest, bool assert_lock = true);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	165
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	166 address get_trampoline();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	167
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	168 void verify_alignment() {} // do nothing on ppc
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	169 void verify() NOT_DEBUG_RETURN;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	170 };
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	171
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	172 inline NativeCall* nativeCall_at(address instr) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	173 NativeCall* call = (NativeCall*)instr;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	174 call->verify();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	175 return call;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	176 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	177
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	178 inline NativeCall* nativeCall_before(address return_address) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	179 NativeCall* call = NULL;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	180 if (MacroAssembler::is_bl((int)(return_address - 4)))
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	181 call = (NativeCall*)(return_address - 4);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	182 call->verify();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	183 return call;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	184 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	185
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	186 // The NativeFarCall is an abstraction for accessing/manipulating native
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	187 // call-anywhere instructions.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	188 // Used to call native methods which may be loaded anywhere in the address
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	189 // space, possibly out of reach of a call instruction.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	190 class NativeFarCall: public NativeInstruction {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	191 public:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	192 // We use MacroAssembler::bl64_patchable() for implementing a
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	193 // call-anywhere instruction.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	194
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	195 // Checks whether instr points at a NativeFarCall instruction.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	196 static bool is_far_call_at(address instr) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	197 return MacroAssembler::is_bl64_patchable_at(instr);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	198 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	199
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	200 // Does the NativeFarCall implementation use a pc-relative encoding
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	201 // of the call destination?
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	202 // Used when relocating code.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	203 bool is_pcrelative() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	204 assert(MacroAssembler::is_bl64_patchable_at((address)this),
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	205 "unexpected call type");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	206 return MacroAssembler::is_bl64_patchable_pcrelative_at((address)this);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	207 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	208
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	209 // Returns the NativeFarCall's destination.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	210 address destination() const {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	211 assert(MacroAssembler::is_bl64_patchable_at((address)this),
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	212 "unexpected call type");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	213 return MacroAssembler::get_dest_of_bl64_patchable_at((address)this);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	214 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	215
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	216 // Sets the NativeCall's destination, not necessarily mt-safe.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	217 // Used when relocating code.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	218 void set_destination(address dest) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	219 // Set new destination (implementation of call may change here).
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	220 assert(MacroAssembler::is_bl64_patchable_at((address)this),
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	221 "unexpected call type");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	222 MacroAssembler::set_dest_of_bl64_patchable_at((address)this, dest);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	223 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	224
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	225 void verify() NOT_DEBUG_RETURN;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	226 };
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	227
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	228 // Instantiates a NativeFarCall object starting at the given instruction
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	229 // address and returns the NativeFarCall object.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	230 inline NativeFarCall* nativeFarCall_at(address instr) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	231 NativeFarCall* call = (NativeFarCall*)instr;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	232 call->verify();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	233 return call;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	234 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	235
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	236 // An interface for accessing/manipulating native set_oop imm, reg instructions.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	237 // (used to manipulate inlined data references, etc.)
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	238 class NativeMovConstReg: public NativeInstruction {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	239 public:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	240
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	241 enum specific_constants {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	242 load_const_instruction_size = 20,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	243 load_const_from_method_toc_instruction_size = 8,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	244 instruction_size = 8 // Used in shared code for calls with reloc_info.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	245 };
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	246
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	247 address instruction_address() const {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	248 return addr_at(0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	249 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	250
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	251 address next_instruction_address() const;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	252
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	253 // (The [set_]data accessor respects oop_type relocs also.)
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	254 intptr_t data() const;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	255
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	256 // Patch the code stream.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	257 address set_data_plain(intptr_t x, CodeBlob *code);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	258 // Patch the code stream and oop pool.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	259 void set_data(intptr_t x);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	260
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	261 // Patch narrow oop constants. Use this also for narrow klass.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	262 void set_narrow_oop(narrowOop data, CodeBlob *code = NULL);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	263
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	264 void verify() NOT_DEBUG_RETURN;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	265 };
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	266
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	267 inline NativeMovConstReg* nativeMovConstReg_at(address address) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	268 NativeMovConstReg* test = (NativeMovConstReg*)address;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	269 test->verify();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	270 return test;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	271 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	272
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	273 // The NativeJump is an abstraction for accessing/manipulating native
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	274 // jump-anywhere instructions.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	275 class NativeJump: public NativeInstruction {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	276 public:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	277 // We use MacroAssembler::b64_patchable() for implementing a
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	278 // jump-anywhere instruction.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	279
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	280 enum specific_constants {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	281 instruction_size = MacroAssembler::b64_patchable_size
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	282 };
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	283
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	284 // Checks whether instr points at a NativeJump instruction.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	285 static bool is_jump_at(address instr) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	286 return MacroAssembler::is_b64_patchable_at(instr)
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	287 \|\| ( MacroAssembler::is_load_const_from_method_toc_at(instr)
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	288 && Assembler::is_mtctr((int)(instr + 2 * 4))
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	289 && Assembler::is_bctr((int)(instr + 3 * 4)));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	290 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	291
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	292 // Does the NativeJump implementation use a pc-relative encoding
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	293 // of the call destination?
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	294 // Used when relocating code or patching jumps.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	295 bool is_pcrelative() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	296 return MacroAssembler::is_b64_patchable_pcrelative_at((address)this);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	297 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	298
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	299 // Returns the NativeJump's destination.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	300 address jump_destination() const {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	301 if (MacroAssembler::is_b64_patchable_at((address)this)) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	302 return MacroAssembler::get_dest_of_b64_patchable_at((address)this);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	303 } else if (MacroAssembler::is_load_const_from_method_toc_at((address)this)
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	304 && Assembler::is_mtctr((int)((address)this + 2 * 4))
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	305 && Assembler::is_bctr((int)((address)this + 3 * 4))) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	306 return (address)((NativeMovConstReg *)this)->data();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	307 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	308 ShouldNotReachHere();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	309 return NULL;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	310 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	311 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	312
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	313 // Sets the NativeJump's destination, not necessarily mt-safe.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	314 // Used when relocating code or patching jumps.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	315 void set_jump_destination(address dest) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	316 // Set new destination (implementation of call may change here).
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	317 if (MacroAssembler::is_b64_patchable_at((address)this)) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	318 MacroAssembler::set_dest_of_b64_patchable_at((address)this, dest);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	319 } else if (MacroAssembler::is_load_const_from_method_toc_at((address)this)
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	320 && Assembler::is_mtctr((int)((address)this + 2 * 4))
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	321 && Assembler::is_bctr((int)((address)this + 3 * 4))) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	322 ((NativeMovConstReg *)this)->set_data((intptr_t)dest);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	323 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	324 ShouldNotReachHere();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	325 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	326 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	327
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	328 // MT-safe insertion of native jump at verified method entry
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	329 static void patch_verified_entry(address entry, address verified_entry, address dest);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	330
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	331 void verify() NOT_DEBUG_RETURN;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	332
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	333 static void check_verified_entry_alignment(address entry, address verified_entry) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	334 // We just patch one instruction on ppc64, so the jump doesn't have to
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	335 // be aligned. Nothing to do here.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	336 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	337 };
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	338
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	339 // Instantiates a NativeJump object starting at the given instruction
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	340 // address and returns the NativeJump object.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	341 inline NativeJump* nativeJump_at(address instr) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	342 NativeJump* call = (NativeJump*)instr;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	343 call->verify();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	344 return call;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	345 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	346
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	347 // NativeConditionalFarBranch is abstraction for accessing/manipulating
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	348 // conditional far branches.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	349 class NativeConditionalFarBranch : public NativeInstruction {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	350 public:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	351
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	352 static bool is_conditional_far_branch_at(address instr) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	353 return MacroAssembler::is_bc_far_at(instr);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	354 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	355
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	356 address branch_destination() const {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	357 return MacroAssembler::get_dest_of_bc_far_at((address)this);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	358 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	359
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	360 void set_branch_destination(address dest) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	361 MacroAssembler::set_dest_of_bc_far_at((address)this, dest);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	362 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	363 };
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	364
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	365 inline NativeConditionalFarBranch* NativeConditionalFarBranch_at(address address) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	366 assert(NativeConditionalFarBranch::is_conditional_far_branch_at(address),
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	367 "must be a conditional far branch");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	368 return (NativeConditionalFarBranch*)address;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	369 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	370
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	371 // Call trampoline stubs.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	372 class NativeCallTrampolineStub : public NativeInstruction {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	373 private:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	374
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	375 address encoded_destination_addr() const;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	376
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	377 public:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	378
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	379 address destination() const;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	380 int destination_toc_offset() const;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	381
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	382 void set_destination(address new_destination);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	383 };
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	384
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	385
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	386 inline bool is_NativeCallTrampolineStub_at(address address) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	387 int first_instr = (int)address;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	388 return Assembler::is_addis(first_instr) &&
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	389 (Register)(intptr_t)Assembler::inv_rt_field(first_instr) == R12_scratch2;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	390 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	391
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	392 inline NativeCallTrampolineStub* NativeCallTrampolineStub_at(address address) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	393 assert(is_NativeCallTrampolineStub_at(address), "no call trampoline found");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	394 return (NativeCallTrampolineStub*)address;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	395 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	396
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	397 #endif // CPU_PPC_VM_NATIVEINST_PPC_HPP

Mercurial > hg > truffle

annotate src/cpu/ppc/vm/nativeInst_ppc.hpp @ 14408:ec28f9c041ff