Mercurial > hg > graal-jvmci-8
annotate src/cpu/sparc/vm/methodHandles_sparc.cpp @ 3442:f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
Reviewed-by: kvn, jrose
author | never |
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date | Fri, 03 Jun 2011 22:31:43 -0700 |
parents | fabcf26ee72f |
children | a9b8b43b115f |
rev | line source |
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710 | 1 /* |
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2 * Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved. |
710 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
1552
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
710 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "interpreter/interpreter.hpp" | |
27 #include "memory/allocation.inline.hpp" | |
28 #include "prims/methodHandles.hpp" | |
710 | 29 |
30 #define __ _masm-> | |
31 | |
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32 #ifdef PRODUCT |
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33 #define BLOCK_COMMENT(str) /* nothing */ |
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34 #else |
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35 #define BLOCK_COMMENT(str) __ block_comment(str) |
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36 #endif |
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37 |
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38 #define BIND(label) bind(label); BLOCK_COMMENT(#label ":") |
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39 |
710 | 40 address MethodHandleEntry::start_compiled_entry(MacroAssembler* _masm, |
41 address interpreted_entry) { | |
1503 | 42 // Just before the actual machine code entry point, allocate space |
43 // for a MethodHandleEntry::Data record, so that we can manage everything | |
44 // from one base pointer. | |
710 | 45 __ align(wordSize); |
46 address target = __ pc() + sizeof(Data); | |
47 while (__ pc() < target) { | |
48 __ nop(); | |
49 __ align(wordSize); | |
50 } | |
51 | |
52 MethodHandleEntry* me = (MethodHandleEntry*) __ pc(); | |
53 me->set_end_address(__ pc()); // set a temporary end_address | |
54 me->set_from_interpreted_entry(interpreted_entry); | |
55 me->set_type_checking_entry(NULL); | |
56 | |
57 return (address) me; | |
58 } | |
59 | |
60 MethodHandleEntry* MethodHandleEntry::finish_compiled_entry(MacroAssembler* _masm, | |
61 address start_addr) { | |
62 MethodHandleEntry* me = (MethodHandleEntry*) start_addr; | |
63 assert(me->end_address() == start_addr, "valid ME"); | |
64 | |
65 // Fill in the real end_address: | |
66 __ align(wordSize); | |
67 me->set_end_address(__ pc()); | |
68 | |
69 return me; | |
70 } | |
71 | |
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72 // stack walking support |
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73 |
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74 frame MethodHandles::ricochet_frame_sender(const frame& fr, RegisterMap *map) { |
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75 //RicochetFrame* f = RicochetFrame::from_frame(fr); |
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76 // Cf. is_interpreted_frame path of frame::sender |
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77 intptr_t* younger_sp = fr.sp(); |
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78 intptr_t* sp = fr.sender_sp(); |
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79 map->make_integer_regs_unsaved(); |
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80 map->shift_window(sp, younger_sp); |
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81 bool this_frame_adjusted_stack = true; // I5_savedSP is live in this RF |
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82 return frame(sp, younger_sp, this_frame_adjusted_stack); |
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83 } |
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84 |
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85 void MethodHandles::ricochet_frame_oops_do(const frame& fr, OopClosure* blk, const RegisterMap* reg_map) { |
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86 ResourceMark rm; |
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87 RicochetFrame* f = RicochetFrame::from_frame(fr); |
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88 |
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89 // pick up the argument type descriptor: |
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90 Thread* thread = Thread::current(); |
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91 Handle cookie(thread, f->compute_saved_args_layout(true, true)); |
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92 |
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93 // process fixed part |
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94 blk->do_oop((oop*)f->saved_target_addr()); |
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95 blk->do_oop((oop*)f->saved_args_layout_addr()); |
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96 |
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97 // process variable arguments: |
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98 if (cookie.is_null()) return; // no arguments to describe |
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99 |
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100 // the cookie is actually the invokeExact method for my target |
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101 // his argument signature is what I'm interested in |
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102 assert(cookie->is_method(), ""); |
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103 methodHandle invoker(thread, methodOop(cookie())); |
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104 assert(invoker->name() == vmSymbols::invokeExact_name(), "must be this kind of method"); |
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105 assert(!invoker->is_static(), "must have MH argument"); |
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106 int slot_count = invoker->size_of_parameters(); |
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107 assert(slot_count >= 1, "must include 'this'"); |
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108 intptr_t* base = f->saved_args_base(); |
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109 intptr_t* retval = NULL; |
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110 if (f->has_return_value_slot()) |
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111 retval = f->return_value_slot_addr(); |
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112 int slot_num = slot_count - 1; |
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113 intptr_t* loc = &base[slot_num]; |
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114 //blk->do_oop((oop*) loc); // original target, which is irrelevant |
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115 int arg_num = 0; |
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116 for (SignatureStream ss(invoker->signature()); !ss.is_done(); ss.next()) { |
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117 if (ss.at_return_type()) continue; |
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118 BasicType ptype = ss.type(); |
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119 if (ptype == T_ARRAY) ptype = T_OBJECT; // fold all refs to T_OBJECT |
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120 assert(ptype >= T_BOOLEAN && ptype <= T_OBJECT, "not array or void"); |
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121 slot_num -= type2size[ptype]; |
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122 loc = &base[slot_num]; |
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123 bool is_oop = (ptype == T_OBJECT && loc != retval); |
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124 if (is_oop) blk->do_oop((oop*)loc); |
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125 arg_num += 1; |
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126 } |
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127 assert(slot_num == 0, "must have processed all the arguments"); |
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128 } |
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129 |
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130 // Ricochet Frames |
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131 const Register MethodHandles::RicochetFrame::L1_continuation = L1; |
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132 const Register MethodHandles::RicochetFrame::L2_saved_target = L2; |
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133 const Register MethodHandles::RicochetFrame::L3_saved_args_layout = L3; |
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134 const Register MethodHandles::RicochetFrame::L4_saved_args_base = L4; // cf. Gargs = G4 |
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135 const Register MethodHandles::RicochetFrame::L5_conversion = L5; |
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136 #ifdef ASSERT |
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137 const Register MethodHandles::RicochetFrame::L0_magic_number_1 = L0; |
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138 #endif //ASSERT |
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139 |
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140 oop MethodHandles::RicochetFrame::compute_saved_args_layout(bool read_cache, bool write_cache) { |
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141 if (read_cache) { |
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142 oop cookie = saved_args_layout(); |
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143 if (cookie != NULL) return cookie; |
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144 } |
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145 oop target = saved_target(); |
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146 oop mtype = java_lang_invoke_MethodHandle::type(target); |
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147 oop mtform = java_lang_invoke_MethodType::form(mtype); |
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148 oop cookie = java_lang_invoke_MethodTypeForm::vmlayout(mtform); |
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149 if (write_cache) { |
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150 (*saved_args_layout_addr()) = cookie; |
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151 } |
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152 return cookie; |
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153 } |
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154 |
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155 void MethodHandles::RicochetFrame::generate_ricochet_blob(MacroAssembler* _masm, |
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156 // output params: |
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157 int* bounce_offset, |
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158 int* exception_offset, |
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159 int* frame_size_in_words) { |
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160 (*frame_size_in_words) = RicochetFrame::frame_size_in_bytes() / wordSize; |
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161 |
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162 address start = __ pc(); |
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163 |
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164 #ifdef ASSERT |
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165 __ illtrap(0); __ illtrap(0); __ illtrap(0); |
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166 // here's a hint of something special: |
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167 __ set(MAGIC_NUMBER_1, G0); |
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168 __ set(MAGIC_NUMBER_2, G0); |
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169 #endif //ASSERT |
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170 __ illtrap(0); // not reached |
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171 |
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172 // Return values are in registers. |
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173 // L1_continuation contains a cleanup continuation we must return |
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174 // to. |
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175 |
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176 (*bounce_offset) = __ pc() - start; |
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177 BLOCK_COMMENT("ricochet_blob.bounce"); |
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178 |
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179 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm); |
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180 trace_method_handle(_masm, "ricochet_blob.bounce"); |
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181 |
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182 __ JMP(L1_continuation, 0); |
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183 __ delayed()->nop(); |
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184 __ illtrap(0); |
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185 |
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186 DEBUG_ONLY(__ set(MAGIC_NUMBER_2, G0)); |
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187 |
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188 (*exception_offset) = __ pc() - start; |
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189 BLOCK_COMMENT("ricochet_blob.exception"); |
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190 |
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191 // compare this to Interpreter::rethrow_exception_entry, which is parallel code |
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192 // for example, see TemplateInterpreterGenerator::generate_throw_exception |
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193 // Live registers in: |
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194 // Oexception (O0): exception |
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195 // Oissuing_pc (O1): return address/pc that threw exception (ignored, always equal to bounce addr) |
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196 __ verify_oop(Oexception); |
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197 |
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198 // Take down the frame. |
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199 |
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200 // Cf. InterpreterMacroAssembler::remove_activation. |
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201 leave_ricochet_frame(_masm, /*recv_reg=*/ noreg, I5_savedSP, I7); |
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202 |
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203 // We are done with this activation frame; find out where to go next. |
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204 // The continuation point will be an exception handler, which expects |
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205 // the following registers set up: |
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206 // |
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207 // Oexception: exception |
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208 // Oissuing_pc: the local call that threw exception |
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209 // Other On: garbage |
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210 // In/Ln: the contents of the caller's register window |
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211 // |
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212 // We do the required restore at the last possible moment, because we |
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213 // need to preserve some state across a runtime call. |
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214 // (Remember that the caller activation is unknown--it might not be |
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215 // interpreted, so things like Lscratch are useless in the caller.) |
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216 __ mov(Oexception, Oexception ->after_save()); // get exception in I0 so it will be on O0 after restore |
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217 __ add(I7, frame::pc_return_offset, Oissuing_pc->after_save()); // likewise set I1 to a value local to the caller |
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218 __ call_VM_leaf(L7_thread_cache, |
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219 CAST_FROM_FN_PTR(address, SharedRuntime::exception_handler_for_return_address), |
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220 G2_thread, Oissuing_pc->after_save()); |
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221 |
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222 // The caller's SP was adjusted upon method entry to accomodate |
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223 // the callee's non-argument locals. Undo that adjustment. |
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224 __ JMP(O0, 0); // return exception handler in caller |
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225 __ delayed()->restore(I5_savedSP, G0, SP); |
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226 |
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227 // (same old exception object is already in Oexception; see above) |
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228 // Note that an "issuing PC" is actually the next PC after the call |
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229 } |
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230 |
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231 void MethodHandles::RicochetFrame::enter_ricochet_frame(MacroAssembler* _masm, |
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232 Register recv_reg, |
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233 Register argv_reg, |
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234 address return_handler) { |
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235 // does not include the __ save() |
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236 assert(argv_reg == Gargs, ""); |
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237 Address G3_mh_vmtarget( recv_reg, java_lang_invoke_MethodHandle::vmtarget_offset_in_bytes()); |
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238 Address G3_amh_conversion(recv_reg, java_lang_invoke_AdapterMethodHandle::conversion_offset_in_bytes()); |
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239 |
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240 // Create the RicochetFrame. |
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241 // Unlike on x86 we can store all required information in local |
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242 // registers. |
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243 BLOCK_COMMENT("push RicochetFrame {"); |
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244 __ set(ExternalAddress(return_handler), L1_continuation); |
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245 __ load_heap_oop(G3_mh_vmtarget, L2_saved_target); |
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246 __ mov(G0, L3_saved_args_layout); |
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247 __ mov(Gargs, L4_saved_args_base); |
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248 __ lduw(G3_amh_conversion, L5_conversion); // 32-bit field |
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249 // I5, I6, I7 are already set up |
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250 DEBUG_ONLY(__ set((int32_t) MAGIC_NUMBER_1, L0_magic_number_1)); |
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251 BLOCK_COMMENT("} RicochetFrame"); |
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252 } |
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253 |
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254 void MethodHandles::RicochetFrame::leave_ricochet_frame(MacroAssembler* _masm, |
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255 Register recv_reg, |
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256 Register new_sp_reg, |
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257 Register sender_pc_reg) { |
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258 assert(new_sp_reg == I5_savedSP, "exact_sender_sp already in place"); |
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259 assert(sender_pc_reg == I7, "in a fixed place"); |
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260 // does not include the __ ret() & __ restore() |
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261 assert_different_registers(recv_reg, new_sp_reg, sender_pc_reg); |
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262 // Take down the frame. |
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263 // Cf. InterpreterMacroAssembler::remove_activation. |
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264 BLOCK_COMMENT("end_ricochet_frame {"); |
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265 if (recv_reg->is_valid()) |
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266 __ mov(L2_saved_target, recv_reg); |
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267 BLOCK_COMMENT("} end_ricochet_frame"); |
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268 } |
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269 |
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270 // Emit code to verify that FP is pointing at a valid ricochet frame. |
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271 #ifdef ASSERT |
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272 enum { |
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273 ARG_LIMIT = 255, SLOP = 35, |
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274 // use this parameter for checking for garbage stack movements: |
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275 UNREASONABLE_STACK_MOVE = (ARG_LIMIT + SLOP) |
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276 // the slop defends against false alarms due to fencepost errors |
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277 }; |
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278 |
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279 void MethodHandles::RicochetFrame::verify_clean(MacroAssembler* _masm) { |
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280 // The stack should look like this: |
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281 // ... keep1 | dest=42 | keep2 | magic | handler | magic | recursive args | [RF] |
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282 // Check various invariants. |
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283 |
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284 Register O7_temp = O7, O5_temp = O5; |
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285 |
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286 Label L_ok_1, L_ok_2, L_ok_3, L_ok_4; |
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287 BLOCK_COMMENT("verify_clean {"); |
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288 // Magic numbers must check out: |
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289 __ set((int32_t) MAGIC_NUMBER_1, O7_temp); |
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290 __ cmp(O7_temp, L0_magic_number_1); |
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291 __ br(Assembler::equal, false, Assembler::pt, L_ok_1); |
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292 __ delayed()->nop(); |
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293 __ stop("damaged ricochet frame: MAGIC_NUMBER_1 not found"); |
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294 |
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295 __ BIND(L_ok_1); |
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296 |
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297 // Arguments pointer must look reasonable: |
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298 #ifdef _LP64 |
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299 Register FP_temp = O5_temp; |
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300 __ add(FP, STACK_BIAS, FP_temp); |
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301 #else |
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302 Register FP_temp = FP; |
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303 #endif |
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304 __ cmp(L4_saved_args_base, FP_temp); |
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305 __ br(Assembler::greaterEqualUnsigned, false, Assembler::pt, L_ok_2); |
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306 __ delayed()->nop(); |
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307 __ stop("damaged ricochet frame: L4 < FP"); |
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308 |
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309 __ BIND(L_ok_2); |
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310 __ sub(L4_saved_args_base, UNREASONABLE_STACK_MOVE * Interpreter::stackElementSize, O7_temp); |
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311 __ cmp(O7_temp, FP_temp); |
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312 __ br(Assembler::lessEqualUnsigned, false, Assembler::pt, L_ok_3); |
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313 __ delayed()->nop(); |
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314 __ stop("damaged ricochet frame: (L4 - UNREASONABLE_STACK_MOVE) > FP"); |
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315 |
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316 __ BIND(L_ok_3); |
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317 extract_conversion_dest_type(_masm, L5_conversion, O7_temp); |
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318 __ cmp(O7_temp, T_VOID); |
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319 __ br(Assembler::equal, false, Assembler::pt, L_ok_4); |
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320 __ delayed()->nop(); |
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321 extract_conversion_vminfo(_masm, L5_conversion, O5_temp); |
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322 __ ld_ptr(L4_saved_args_base, __ argument_offset(O5_temp, O5_temp), O7_temp); |
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323 assert(__ is_simm13(RETURN_VALUE_PLACEHOLDER), "must be simm13"); |
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324 __ cmp(O7_temp, (int32_t) RETURN_VALUE_PLACEHOLDER); |
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325 __ brx(Assembler::equal, false, Assembler::pt, L_ok_4); |
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326 __ delayed()->nop(); |
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327 __ stop("damaged ricochet frame: RETURN_VALUE_PLACEHOLDER not found"); |
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328 __ BIND(L_ok_4); |
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329 BLOCK_COMMENT("} verify_clean"); |
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330 } |
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331 #endif //ASSERT |
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332 |
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333 void MethodHandles::load_klass_from_Class(MacroAssembler* _masm, Register klass_reg, Register temp_reg, Register temp2_reg) { |
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334 if (VerifyMethodHandles) |
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335 verify_klass(_masm, klass_reg, SystemDictionaryHandles::Class_klass(), temp_reg, temp2_reg, |
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336 "AMH argument is a Class"); |
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337 __ load_heap_oop(Address(klass_reg, java_lang_Class::klass_offset_in_bytes()), klass_reg); |
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338 } |
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339 |
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340 void MethodHandles::load_conversion_vminfo(MacroAssembler* _masm, Address conversion_field_addr, Register reg) { |
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341 assert(CONV_VMINFO_SHIFT == 0, "preshifted"); |
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342 assert(CONV_VMINFO_MASK == right_n_bits(BitsPerByte), "else change type of following load"); |
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343 __ ldub(conversion_field_addr.plus_disp(BytesPerInt - 1), reg); |
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344 } |
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345 |
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346 void MethodHandles::extract_conversion_vminfo(MacroAssembler* _masm, Register conversion_field_reg, Register reg) { |
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347 assert(CONV_VMINFO_SHIFT == 0, "preshifted"); |
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348 __ and3(conversion_field_reg, CONV_VMINFO_MASK, reg); |
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349 } |
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350 |
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351 void MethodHandles::extract_conversion_dest_type(MacroAssembler* _masm, Register conversion_field_reg, Register reg) { |
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352 __ srl(conversion_field_reg, CONV_DEST_TYPE_SHIFT, reg); |
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353 __ and3(reg, 0x0F, reg); |
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354 } |
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355 |
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356 void MethodHandles::load_stack_move(MacroAssembler* _masm, |
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357 Address G3_amh_conversion, |
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358 Register stack_move_reg) { |
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359 BLOCK_COMMENT("load_stack_move {"); |
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360 __ ldsw(G3_amh_conversion, stack_move_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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361 __ sra(stack_move_reg, CONV_STACK_MOVE_SHIFT, stack_move_reg); |
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362 if (VerifyMethodHandles) { |
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363 Label L_ok, L_bad; |
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364 int32_t stack_move_limit = 0x0800; // extra-large |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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365 __ cmp(stack_move_reg, stack_move_limit); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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366 __ br(Assembler::greaterEqual, false, Assembler::pn, L_bad); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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367 __ delayed()->nop(); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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368 __ cmp(stack_move_reg, -stack_move_limit); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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369 __ br(Assembler::greater, false, Assembler::pt, L_ok); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
370 __ delayed()->nop(); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
371 __ BIND(L_bad); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
372 __ stop("load_stack_move of garbage value"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
373 __ BIND(L_ok); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
374 } |
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375 BLOCK_COMMENT("} load_stack_move"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
376 } |
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|
377 |
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|
378 #ifdef ASSERT |
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|
379 void MethodHandles::RicochetFrame::verify() const { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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380 assert(magic_number_1() == MAGIC_NUMBER_1, ""); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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381 if (!Universe::heap()->is_gc_active()) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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382 if (saved_args_layout() != NULL) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
383 assert(saved_args_layout()->is_method(), "must be valid oop"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
384 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
385 if (saved_target() != NULL) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
386 assert(java_lang_invoke_MethodHandle::is_instance(saved_target()), "checking frame value"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
387 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
388 } |
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|
389 int conv_op = adapter_conversion_op(conversion()); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
390 assert(conv_op == java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS || |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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391 conv_op == java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS || |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
392 conv_op == java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
393 "must be a sane conversion"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
394 if (has_return_value_slot()) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
395 assert(*return_value_slot_addr() == RETURN_VALUE_PLACEHOLDER, ""); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
396 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
397 } |
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|
398 |
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|
399 void MethodHandles::verify_argslot(MacroAssembler* _masm, Register argslot_reg, Register temp_reg, const char* error_message) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
400 // Verify that argslot lies within (Gargs, FP]. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
401 Label L_ok, L_bad; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
402 BLOCK_COMMENT("verify_argslot {"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
403 __ add(FP, STACK_BIAS, temp_reg); // STACK_BIAS is zero on !_LP64 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
404 __ cmp(argslot_reg, temp_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
405 __ brx(Assembler::greaterUnsigned, false, Assembler::pn, L_bad); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
406 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
407 __ cmp(Gargs, argslot_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
408 __ brx(Assembler::lessEqualUnsigned, false, Assembler::pt, L_ok); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
409 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
410 __ BIND(L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
411 __ stop(error_message); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
412 __ BIND(L_ok); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
413 BLOCK_COMMENT("} verify_argslot"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
414 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
415 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
416 void MethodHandles::verify_argslots(MacroAssembler* _masm, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
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|
417 RegisterOrConstant arg_slots, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
418 Register arg_slot_base_reg, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
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|
419 Register temp_reg, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
420 Register temp2_reg, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
421 bool negate_argslots, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
422 const char* error_message) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
423 // Verify that [argslot..argslot+size) lies within (Gargs, FP). |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
424 Label L_ok, L_bad; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
425 BLOCK_COMMENT("verify_argslots {"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
426 if (negate_argslots) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
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|
427 if (arg_slots.is_constant()) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
428 arg_slots = -1 * arg_slots.as_constant(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
429 } else { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
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|
430 __ neg(arg_slots.as_register(), temp_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
431 arg_slots = temp_reg; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
432 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
433 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
434 __ add(arg_slot_base_reg, __ argument_offset(arg_slots, temp_reg), temp_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
435 __ add(FP, STACK_BIAS, temp2_reg); // STACK_BIAS is zero on !_LP64 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
436 __ cmp(temp_reg, temp2_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
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|
437 __ brx(Assembler::greaterUnsigned, false, Assembler::pn, L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
438 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
439 // Gargs points to the first word so adjust by BytesPerWord |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
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440 __ add(arg_slot_base_reg, BytesPerWord, temp_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
441 __ cmp(Gargs, temp_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
442 __ brx(Assembler::lessEqualUnsigned, false, Assembler::pt, L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
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|
443 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
444 __ BIND(L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
445 __ stop(error_message); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
446 __ BIND(L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
447 BLOCK_COMMENT("} verify_argslots"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
448 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
449 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
450 // Make sure that arg_slots has the same sign as the given direction. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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451 // If (and only if) arg_slots is a assembly-time constant, also allow it to be zero. |
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|
452 void MethodHandles::verify_stack_move(MacroAssembler* _masm, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
453 RegisterOrConstant arg_slots, int direction) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
454 enum { UNREASONABLE_STACK_MOVE = 256 * 4 }; // limit of 255 arguments |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
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|
455 bool allow_zero = arg_slots.is_constant(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
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|
456 if (direction == 0) { direction = +1; allow_zero = true; } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
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457 assert(stack_move_unit() == -1, "else add extra checks here"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
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458 if (arg_slots.is_register()) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
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|
459 Label L_ok, L_bad; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
460 BLOCK_COMMENT("verify_stack_move {"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
461 // __ btst(-stack_move_unit() - 1, arg_slots.as_register()); // no need |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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462 // __ br(Assembler::notZero, false, Assembler::pn, L_bad); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
463 // __ delayed()->nop(); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
464 __ cmp(arg_slots.as_register(), (int32_t) NULL_WORD); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
465 if (direction > 0) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
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|
466 __ br(allow_zero ? Assembler::less : Assembler::lessEqual, false, Assembler::pn, L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
467 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
468 __ cmp(arg_slots.as_register(), (int32_t) UNREASONABLE_STACK_MOVE); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
469 __ br(Assembler::less, false, Assembler::pn, L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
470 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
471 } else { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
472 __ br(allow_zero ? Assembler::greater : Assembler::greaterEqual, false, Assembler::pn, L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
473 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
474 __ cmp(arg_slots.as_register(), (int32_t) -UNREASONABLE_STACK_MOVE); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
475 __ br(Assembler::greater, false, Assembler::pn, L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
476 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
477 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
478 __ BIND(L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
479 if (direction > 0) |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
480 __ stop("assert arg_slots > 0"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
481 else |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
482 __ stop("assert arg_slots < 0"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
483 __ BIND(L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
484 BLOCK_COMMENT("} verify_stack_move"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
485 } else { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
486 intptr_t size = arg_slots.as_constant(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
487 if (direction < 0) size = -size; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
488 assert(size >= 0, "correct direction of constant move"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
489 assert(size < UNREASONABLE_STACK_MOVE, "reasonable size of constant move"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
490 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
491 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
492 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
493 void MethodHandles::verify_klass(MacroAssembler* _masm, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
494 Register obj_reg, KlassHandle klass, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
495 Register temp_reg, Register temp2_reg, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
496 const char* error_message) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
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|
497 oop* klass_addr = klass.raw_value(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
498 assert(klass_addr >= SystemDictionaryHandles::Object_klass().raw_value() && |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
499 klass_addr <= SystemDictionaryHandles::Long_klass().raw_value(), |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
500 "must be one of the SystemDictionaryHandles"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
501 Label L_ok, L_bad; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
502 BLOCK_COMMENT("verify_klass {"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
503 __ verify_oop(obj_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
504 __ br_null(obj_reg, false, Assembler::pn, L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
505 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
506 __ load_klass(obj_reg, temp_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
507 __ set(ExternalAddress(klass_addr), temp2_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
508 __ ld_ptr(Address(temp2_reg, 0), temp2_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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3371
diff
changeset
|
509 __ cmp(temp_reg, temp2_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
510 __ brx(Assembler::equal, false, Assembler::pt, L_ok); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
511 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
512 intptr_t super_check_offset = klass->super_check_offset(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
513 __ ld_ptr(Address(temp_reg, super_check_offset), temp_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
514 __ set(ExternalAddress(klass_addr), temp2_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
515 __ ld_ptr(Address(temp2_reg, 0), temp2_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
516 __ cmp(temp_reg, temp2_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
517 __ brx(Assembler::equal, false, Assembler::pt, L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
518 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
519 __ BIND(L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
520 __ stop(error_message); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
521 __ BIND(L_ok); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
522 BLOCK_COMMENT("} verify_klass"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
523 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
524 #endif // ASSERT |
710 | 525 |
526 // Code generation | |
527 address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm) { | |
1916
e62345fd6a46
6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents:
1911
diff
changeset
|
528 // I5_savedSP/O5_savedSP: sender SP (must preserve) |
1503 | 529 // G4 (Gargs): incoming argument list (must preserve) |
1916
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6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents:
1911
diff
changeset
|
530 // G5_method: invoke methodOop |
1503 | 531 // G3_method_handle: receiver method handle (must load from sp[MethodTypeForm.vmslots]) |
1916
e62345fd6a46
6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents:
1911
diff
changeset
|
532 // O0, O1, O2, O3, O4: garbage temps, blown away |
e62345fd6a46
6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents:
1911
diff
changeset
|
533 Register O0_mtype = O0; |
1503 | 534 Register O1_scratch = O1; |
1911
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
535 Register O2_scratch = O2; |
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
536 Register O3_scratch = O3; |
1916
e62345fd6a46
6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents:
1911
diff
changeset
|
537 Register O4_argslot = O4; |
1911
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
538 Register O4_argbase = O4; |
1503 | 539 |
540 // emit WrongMethodType path first, to enable back-branch from main path | |
541 Label wrong_method_type; | |
542 __ bind(wrong_method_type); | |
1911
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
543 Label invoke_generic_slow_path; |
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
544 assert(methodOopDesc::intrinsic_id_size_in_bytes() == sizeof(u1), "");; |
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
545 __ ldub(Address(G5_method, methodOopDesc::intrinsic_id_offset_in_bytes()), O1_scratch); |
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
546 __ cmp(O1_scratch, (int) vmIntrinsics::_invokeExact); |
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
547 __ brx(Assembler::notEqual, false, Assembler::pt, invoke_generic_slow_path); |
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
548 __ delayed()->nop(); |
1916
e62345fd6a46
6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents:
1911
diff
changeset
|
549 __ mov(O0_mtype, G5_method_type); // required by throw_WrongMethodType |
1911
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
550 // mov(G3_method_handle, G3_method_handle); // already in this register |
1503 | 551 __ jump_to(AddressLiteral(Interpreter::throw_WrongMethodType_entry()), O1_scratch); |
552 __ delayed()->nop(); | |
553 | |
554 // here's where control starts out: | |
555 __ align(CodeEntryAlignment); | |
556 address entry_point = __ pc(); | |
557 | |
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558 // fetch the MethodType from the method handle |
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559 // FIXME: Interpreter should transmit pre-popped stack pointer, to locate base of arg list. |
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560 // This would simplify several touchy bits of code. |
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561 // See 6984712: JSR 292 method handle calls need a clean argument base pointer |
1503 | 562 { |
563 Register tem = G5_method; | |
564 for (jint* pchase = methodOopDesc::method_type_offsets_chain(); (*pchase) != -1; pchase++) { | |
1916
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565 __ ld_ptr(Address(tem, *pchase), O0_mtype); |
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566 tem = O0_mtype; // in case there is another indirection |
1503 | 567 } |
568 } | |
569 | |
570 // given the MethodType, find out where the MH argument is buried | |
2357
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571 __ load_heap_oop(Address(O0_mtype, __ delayed_value(java_lang_invoke_MethodType::form_offset_in_bytes, O1_scratch)), O4_argslot); |
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572 __ ldsw( Address(O4_argslot, __ delayed_value(java_lang_invoke_MethodTypeForm::vmslots_offset_in_bytes, O1_scratch)), O4_argslot); |
3442
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573 __ add(__ argument_address(O4_argslot, O4_argslot, 1), O4_argbase); |
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574 // Note: argument_address uses its input as a scratch register! |
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575 Address mh_receiver_slot_addr(O4_argbase, -Interpreter::stackElementSize); |
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576 __ ld_ptr(mh_receiver_slot_addr, G3_method_handle); |
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577 |
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578 trace_method_handle(_masm, "invokeExact"); |
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579 |
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580 __ check_method_handle_type(O0_mtype, G3_method_handle, O1_scratch, wrong_method_type); |
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581 |
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582 // Nobody uses the MH receiver slot after this. Make sure. |
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583 DEBUG_ONLY(__ set((int32_t) 0x999999, O1_scratch); __ st_ptr(O1_scratch, mh_receiver_slot_addr)); |
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584 |
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585 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
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586 |
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587 // for invokeGeneric (only), apply argument and result conversions on the fly |
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588 __ bind(invoke_generic_slow_path); |
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589 #ifdef ASSERT |
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590 if (VerifyMethodHandles) { |
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591 Label L; |
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592 __ ldub(Address(G5_method, methodOopDesc::intrinsic_id_offset_in_bytes()), O1_scratch); |
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593 __ cmp(O1_scratch, (int) vmIntrinsics::_invokeGeneric); |
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594 __ brx(Assembler::equal, false, Assembler::pt, L); |
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595 __ delayed()->nop(); |
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596 __ stop("bad methodOop::intrinsic_id"); |
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597 __ bind(L); |
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598 } |
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599 #endif //ASSERT |
1503 | 600 |
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601 // make room on the stack for another pointer: |
3442
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602 insert_arg_slots(_masm, 2 * stack_move_unit(), O4_argbase, O1_scratch, O2_scratch, O3_scratch); |
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603 // load up an adapter from the calling type (Java weaves this) |
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604 Register O2_form = O2_scratch; |
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605 Register O3_adapter = O3_scratch; |
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606 __ load_heap_oop(Address(O0_mtype, __ delayed_value(java_lang_invoke_MethodType::form_offset_in_bytes, O1_scratch)), O2_form); |
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607 __ load_heap_oop(Address(O2_form, __ delayed_value(java_lang_invoke_MethodTypeForm::genericInvoker_offset_in_bytes, O1_scratch)), O3_adapter); |
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608 __ verify_oop(O3_adapter); |
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609 __ st_ptr(O3_adapter, Address(O4_argbase, 1 * Interpreter::stackElementSize)); |
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610 // As a trusted first argument, pass the type being called, so the adapter knows |
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611 // the actual types of the arguments and return values. |
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612 // (Generic invokers are shared among form-families of method-type.) |
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613 __ st_ptr(O0_mtype, Address(O4_argbase, 0 * Interpreter::stackElementSize)); |
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614 // FIXME: assert that O3_adapter is of the right method-type. |
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615 __ mov(O3_adapter, G3_method_handle); |
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616 trace_method_handle(_masm, "invokeGeneric"); |
1503 | 617 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
618 | |
619 return entry_point; | |
710 | 620 } |
621 | |
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622 // Workaround for C++ overloading nastiness on '0' for RegisterOrConstant. |
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623 static RegisterOrConstant constant(int value) { |
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624 return RegisterOrConstant(value); |
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625 } |
1503 | 626 |
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627 static void load_vmargslot(MacroAssembler* _masm, Address vmargslot_addr, Register result) { |
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628 __ ldsw(vmargslot_addr, result); |
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629 } |
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630 |
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631 static RegisterOrConstant adjust_SP_and_Gargs_down_by_slots(MacroAssembler* _masm, |
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632 RegisterOrConstant arg_slots, |
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633 Register temp_reg, Register temp2_reg) { |
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634 // Keep the stack pointer 2*wordSize aligned. |
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635 const int TwoWordAlignmentMask = right_n_bits(LogBytesPerWord + 1); |
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636 if (arg_slots.is_constant()) { |
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637 const int offset = arg_slots.as_constant() << LogBytesPerWord; |
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638 const int masked_offset = round_to(offset, 2 * BytesPerWord); |
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639 const int masked_offset2 = (offset + 1*BytesPerWord) & ~TwoWordAlignmentMask; |
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640 assert(masked_offset == masked_offset2, "must agree"); |
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641 __ sub(Gargs, offset, Gargs); |
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|
642 __ sub(SP, masked_offset, SP ); |
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643 return offset; |
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644 } else { |
1503 | 645 #ifdef ASSERT |
3442
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646 { |
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647 Label L_ok; |
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648 __ cmp(arg_slots.as_register(), 0); |
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649 __ br(Assembler::greaterEqual, false, Assembler::pt, L_ok); |
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650 __ delayed()->nop(); |
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651 __ stop("negative arg_slots"); |
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652 __ bind(L_ok); |
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653 } |
1503 | 654 #endif |
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655 __ sll_ptr(arg_slots.as_register(), LogBytesPerWord, temp_reg); |
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656 __ add( temp_reg, 1*BytesPerWord, temp2_reg); |
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657 __ andn(temp2_reg, TwoWordAlignmentMask, temp2_reg); |
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658 __ sub(Gargs, temp_reg, Gargs); |
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659 __ sub(SP, temp2_reg, SP ); |
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660 return temp_reg; |
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661 } |
1503 | 662 } |
663 | |
3442
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664 static RegisterOrConstant adjust_SP_and_Gargs_up_by_slots(MacroAssembler* _masm, |
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665 RegisterOrConstant arg_slots, |
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666 Register temp_reg, Register temp2_reg) { |
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667 // Keep the stack pointer 2*wordSize aligned. |
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668 const int TwoWordAlignmentMask = right_n_bits(LogBytesPerWord + 1); |
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669 if (arg_slots.is_constant()) { |
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670 const int offset = arg_slots.as_constant() << LogBytesPerWord; |
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671 const int masked_offset = offset & ~TwoWordAlignmentMask; |
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672 __ add(Gargs, offset, Gargs); |
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|
673 __ add(SP, masked_offset, SP ); |
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674 return offset; |
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675 } else { |
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|
676 __ sll_ptr(arg_slots.as_register(), LogBytesPerWord, temp_reg); |
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677 __ andn(temp_reg, TwoWordAlignmentMask, temp2_reg); |
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678 __ add(Gargs, temp_reg, Gargs); |
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679 __ add(SP, temp2_reg, SP ); |
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|
680 return temp_reg; |
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|
681 } |
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682 } |
1503 | 683 |
684 // Helper to insert argument slots into the stack. | |
3442
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685 // arg_slots must be a multiple of stack_move_unit() and < 0 |
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686 // argslot_reg is decremented to point to the new (shifted) location of the argslot |
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687 // But, temp_reg ends up holding the original value of argslot_reg. |
1503 | 688 void MethodHandles::insert_arg_slots(MacroAssembler* _masm, |
689 RegisterOrConstant arg_slots, | |
690 Register argslot_reg, | |
691 Register temp_reg, Register temp2_reg, Register temp3_reg) { | |
3442
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692 // allow constant zero |
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693 if (arg_slots.is_constant() && arg_slots.as_constant() == 0) |
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|
694 return; |
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|
695 |
1503 | 696 assert_different_registers(argslot_reg, temp_reg, temp2_reg, temp3_reg, |
697 (!arg_slots.is_register() ? Gargs : arg_slots.as_register())); | |
698 | |
3442
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699 BLOCK_COMMENT("insert_arg_slots {"); |
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700 if (VerifyMethodHandles) |
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701 verify_argslot(_masm, argslot_reg, temp_reg, "insertion point must fall within current frame"); |
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702 if (VerifyMethodHandles) |
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703 verify_stack_move(_masm, arg_slots, -1); |
1503 | 704 |
705 // Make space on the stack for the inserted argument(s). | |
706 // Then pull down everything shallower than argslot_reg. | |
707 // The stacked return address gets pulled down with everything else. | |
708 // That is, copy [sp, argslot) downward by -size words. In pseudo-code: | |
709 // sp -= size; | |
710 // for (temp = sp + size; temp < argslot; temp++) | |
711 // temp[-size] = temp[0] | |
712 // argslot -= size; | |
713 | |
3442
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714 // offset is temp3_reg in case of arg_slots being a register. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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715 RegisterOrConstant offset = adjust_SP_and_Gargs_up_by_slots(_masm, arg_slots, temp3_reg, temp_reg); |
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716 __ sub(Gargs, offset, temp_reg); // source pointer for copy |
1503 | 717 |
718 { | |
719 Label loop; | |
1849
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720 __ BIND(loop); |
1503 | 721 // pull one word down each time through the loop |
3442
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722 __ ld_ptr( Address(temp_reg, 0 ), temp2_reg); |
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723 __ st_ptr(temp2_reg, Address(temp_reg, offset) ); |
1503 | 724 __ add(temp_reg, wordSize, temp_reg); |
725 __ cmp(temp_reg, argslot_reg); | |
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726 __ brx(Assembler::lessUnsigned, false, Assembler::pt, loop); |
1503 | 727 __ delayed()->nop(); // FILLME |
728 } | |
729 | |
730 // Now move the argslot down, to point to the opened-up space. | |
731 __ add(argslot_reg, offset, argslot_reg); | |
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732 BLOCK_COMMENT("} insert_arg_slots"); |
1503 | 733 } |
734 | |
735 | |
736 // Helper to remove argument slots from the stack. | |
3442
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737 // arg_slots must be a multiple of stack_move_unit() and > 0 |
1503 | 738 void MethodHandles::remove_arg_slots(MacroAssembler* _masm, |
739 RegisterOrConstant arg_slots, | |
740 Register argslot_reg, | |
741 Register temp_reg, Register temp2_reg, Register temp3_reg) { | |
3442
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742 // allow constant zero |
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743 if (arg_slots.is_constant() && arg_slots.as_constant() == 0) |
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744 return; |
1503 | 745 assert_different_registers(argslot_reg, temp_reg, temp2_reg, temp3_reg, |
746 (!arg_slots.is_register() ? Gargs : arg_slots.as_register())); | |
747 | |
3442
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748 BLOCK_COMMENT("remove_arg_slots {"); |
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749 if (VerifyMethodHandles) |
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750 verify_argslots(_masm, arg_slots, argslot_reg, temp_reg, temp2_reg, false, |
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751 "deleted argument(s) must fall within current frame"); |
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752 if (VerifyMethodHandles) |
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753 verify_stack_move(_masm, arg_slots, +1); |
1503 | 754 |
755 // Pull up everything shallower than argslot. | |
756 // Then remove the excess space on the stack. | |
757 // The stacked return address gets pulled up with everything else. | |
758 // That is, copy [sp, argslot) upward by size words. In pseudo-code: | |
759 // for (temp = argslot-1; temp >= sp; --temp) | |
760 // temp[size] = temp[0] | |
761 // argslot += size; | |
762 // sp += size; | |
3442
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763 |
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764 RegisterOrConstant offset = __ regcon_sll_ptr(arg_slots, LogBytesPerWord, temp3_reg); |
1503 | 765 __ sub(argslot_reg, wordSize, temp_reg); // source pointer for copy |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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766 |
1503 | 767 { |
3442
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768 Label L_loop; |
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769 __ BIND(L_loop); |
1503 | 770 // pull one word up each time through the loop |
3442
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771 __ ld_ptr( Address(temp_reg, 0 ), temp2_reg); |
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772 __ st_ptr(temp2_reg, Address(temp_reg, offset) ); |
1503 | 773 __ sub(temp_reg, wordSize, temp_reg); |
774 __ cmp(temp_reg, Gargs); | |
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775 __ brx(Assembler::greaterEqualUnsigned, false, Assembler::pt, L_loop); |
1503 | 776 __ delayed()->nop(); // FILLME |
777 } | |
778 | |
779 // And adjust the argslot address to point at the deletion point. | |
780 __ add(argslot_reg, offset, argslot_reg); | |
781 | |
3442
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782 // We don't need the offset at this point anymore, just adjust SP and Gargs. |
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783 (void) adjust_SP_and_Gargs_up_by_slots(_masm, arg_slots, temp3_reg, temp_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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784 |
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785 BLOCK_COMMENT("} remove_arg_slots"); |
1503 | 786 } |
787 | |
3442
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788 // Helper to copy argument slots to the top of the stack. |
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789 // The sequence starts with argslot_reg and is counted by slot_count |
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790 // slot_count must be a multiple of stack_move_unit() and >= 0 |
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791 // This function blows the temps but does not change argslot_reg. |
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792 void MethodHandles::push_arg_slots(MacroAssembler* _masm, |
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793 Register argslot_reg, |
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794 RegisterOrConstant slot_count, |
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795 Register temp_reg, Register temp2_reg) { |
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796 // allow constant zero |
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797 if (slot_count.is_constant() && slot_count.as_constant() == 0) |
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798 return; |
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799 assert_different_registers(argslot_reg, temp_reg, temp2_reg, |
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800 (!slot_count.is_register() ? Gargs : slot_count.as_register()), |
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801 SP); |
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802 assert(Interpreter::stackElementSize == wordSize, "else change this code"); |
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803 |
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804 BLOCK_COMMENT("push_arg_slots {"); |
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805 if (VerifyMethodHandles) |
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806 verify_stack_move(_masm, slot_count, 0); |
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807 |
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808 RegisterOrConstant offset = adjust_SP_and_Gargs_down_by_slots(_masm, slot_count, temp2_reg, temp_reg); |
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809 |
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810 if (slot_count.is_constant()) { |
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811 for (int i = slot_count.as_constant() - 1; i >= 0; i--) { |
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812 __ ld_ptr( Address(argslot_reg, i * wordSize), temp_reg); |
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813 __ st_ptr(temp_reg, Address(Gargs, i * wordSize)); |
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814 } |
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815 } else { |
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816 Label L_plural, L_loop, L_break; |
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817 // Emit code to dynamically check for the common cases, zero and one slot. |
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818 __ cmp(slot_count.as_register(), (int32_t) 1); |
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819 __ br(Assembler::greater, false, Assembler::pn, L_plural); |
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820 __ delayed()->nop(); |
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821 __ br(Assembler::less, false, Assembler::pn, L_break); |
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822 __ delayed()->nop(); |
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823 __ ld_ptr( Address(argslot_reg, 0), temp_reg); |
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824 __ st_ptr(temp_reg, Address(Gargs, 0)); |
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825 __ ba(false, L_break); |
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826 __ delayed()->nop(); // FILLME |
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827 __ BIND(L_plural); |
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828 |
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829 // Loop for 2 or more: |
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830 // top = &argslot[slot_count] |
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831 // while (top > argslot) *(--Gargs) = *(--top) |
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832 Register top_reg = temp_reg; |
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833 __ add(argslot_reg, offset, top_reg); |
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834 __ add(Gargs, offset, Gargs ); // move back up again so we can go down |
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835 __ BIND(L_loop); |
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836 __ sub(top_reg, wordSize, top_reg); |
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837 __ sub(Gargs, wordSize, Gargs ); |
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838 __ ld_ptr( Address(top_reg, 0), temp2_reg); |
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839 __ st_ptr(temp2_reg, Address(Gargs, 0)); |
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840 __ cmp(top_reg, argslot_reg); |
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841 __ brx(Assembler::greaterUnsigned, false, Assembler::pt, L_loop); |
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842 __ delayed()->nop(); // FILLME |
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|
843 __ BIND(L_break); |
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844 } |
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|
845 BLOCK_COMMENT("} push_arg_slots"); |
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846 } |
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|
847 |
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848 // in-place movement; no change to Gargs |
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849 // blows temp_reg, temp2_reg |
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850 void MethodHandles::move_arg_slots_up(MacroAssembler* _masm, |
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851 Register bottom_reg, // invariant |
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852 Address top_addr, // can use temp_reg |
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853 RegisterOrConstant positive_distance_in_slots, // destroyed if register |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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854 Register temp_reg, Register temp2_reg) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
855 assert_different_registers(bottom_reg, |
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|
856 temp_reg, temp2_reg, |
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|
857 positive_distance_in_slots.register_or_noreg()); |
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|
858 BLOCK_COMMENT("move_arg_slots_up {"); |
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|
859 Label L_loop, L_break; |
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|
860 Register top_reg = temp_reg; |
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diff
changeset
|
861 if (!top_addr.is_same_address(Address(top_reg, 0))) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
862 __ add(top_addr, top_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
863 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
864 // Detect empty (or broken) loop: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
865 #ifdef ASSERT |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
866 if (VerifyMethodHandles) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
867 // Verify that &bottom < &top (non-empty interval) |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
868 Label L_ok, L_bad; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
869 if (positive_distance_in_slots.is_register()) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
870 __ cmp(positive_distance_in_slots.as_register(), (int32_t) 0); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
871 __ br(Assembler::lessEqual, false, Assembler::pn, L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
872 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
873 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
874 __ cmp(bottom_reg, top_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
875 __ brx(Assembler::lessUnsigned, false, Assembler::pt, L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
876 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
877 __ BIND(L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
878 __ stop("valid bounds (copy up)"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
879 __ BIND(L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
880 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
881 #endif |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
882 __ cmp(bottom_reg, top_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
883 __ brx(Assembler::greaterEqualUnsigned, false, Assembler::pn, L_break); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
884 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
885 // work top down to bottom, copying contiguous data upwards |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
886 // In pseudo-code: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
887 // while (--top >= bottom) *(top + distance) = *(top + 0); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
888 RegisterOrConstant offset = __ argument_offset(positive_distance_in_slots, positive_distance_in_slots.register_or_noreg()); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
889 __ BIND(L_loop); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
890 __ sub(top_reg, wordSize, top_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
891 __ ld_ptr( Address(top_reg, 0 ), temp2_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
892 __ st_ptr(temp2_reg, Address(top_reg, offset) ); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
893 __ cmp(top_reg, bottom_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
894 __ brx(Assembler::greaterUnsigned, false, Assembler::pt, L_loop); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
895 __ delayed()->nop(); // FILLME |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
896 assert(Interpreter::stackElementSize == wordSize, "else change loop"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
897 __ BIND(L_break); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
898 BLOCK_COMMENT("} move_arg_slots_up"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
899 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
900 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
901 // in-place movement; no change to rsp |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
902 // blows temp_reg, temp2_reg |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
903 void MethodHandles::move_arg_slots_down(MacroAssembler* _masm, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
904 Address bottom_addr, // can use temp_reg |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
905 Register top_reg, // invariant |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
906 RegisterOrConstant negative_distance_in_slots, // destroyed if register |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
907 Register temp_reg, Register temp2_reg) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
908 assert_different_registers(top_reg, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
909 negative_distance_in_slots.register_or_noreg(), |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
910 temp_reg, temp2_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
911 BLOCK_COMMENT("move_arg_slots_down {"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
912 Label L_loop, L_break; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
913 Register bottom_reg = temp_reg; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
914 if (!bottom_addr.is_same_address(Address(bottom_reg, 0))) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
915 __ add(bottom_addr, bottom_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
916 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
917 // Detect empty (or broken) loop: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
918 #ifdef ASSERT |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
919 assert(!negative_distance_in_slots.is_constant() || negative_distance_in_slots.as_constant() < 0, ""); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
920 if (VerifyMethodHandles) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
921 // Verify that &bottom < &top (non-empty interval) |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
922 Label L_ok, L_bad; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
923 if (negative_distance_in_slots.is_register()) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
924 __ cmp(negative_distance_in_slots.as_register(), (int32_t) 0); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
925 __ br(Assembler::greaterEqual, false, Assembler::pn, L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
926 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
927 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
928 __ cmp(bottom_reg, top_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
929 __ brx(Assembler::lessUnsigned, false, Assembler::pt, L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
930 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
931 __ BIND(L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
932 __ stop("valid bounds (copy down)"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
933 __ BIND(L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
934 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
935 #endif |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
936 __ cmp(bottom_reg, top_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
937 __ brx(Assembler::greaterEqualUnsigned, false, Assembler::pn, L_break); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
938 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
939 // work bottom up to top, copying contiguous data downwards |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
940 // In pseudo-code: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
941 // while (bottom < top) *(bottom - distance) = *(bottom + 0), bottom++; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
942 RegisterOrConstant offset = __ argument_offset(negative_distance_in_slots, negative_distance_in_slots.register_or_noreg()); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
943 __ BIND(L_loop); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
944 __ ld_ptr( Address(bottom_reg, 0 ), temp2_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
945 __ st_ptr(temp2_reg, Address(bottom_reg, offset) ); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
946 __ add(bottom_reg, wordSize, bottom_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
947 __ cmp(bottom_reg, top_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
948 __ brx(Assembler::lessUnsigned, false, Assembler::pt, L_loop); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
949 __ delayed()->nop(); // FILLME |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
950 assert(Interpreter::stackElementSize == wordSize, "else change loop"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
951 __ BIND(L_break); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
952 BLOCK_COMMENT("} move_arg_slots_down"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
953 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
954 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
955 // Copy from a field or array element to a stacked argument slot. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
956 // is_element (ignored) says whether caller is loading an array element instead of an instance field. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
957 void MethodHandles::move_typed_arg(MacroAssembler* _masm, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
958 BasicType type, bool is_element, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
959 Address value_src, Address slot_dest, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
960 Register temp_reg) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
961 assert(!slot_dest.uses(temp_reg), "must be different register"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
962 BLOCK_COMMENT(!is_element ? "move_typed_arg {" : "move_typed_arg { (array element)"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
963 if (type == T_OBJECT || type == T_ARRAY) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
964 __ load_heap_oop(value_src, temp_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
965 __ verify_oop(temp_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
966 __ st_ptr(temp_reg, slot_dest); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
967 } else if (type != T_VOID) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
968 int arg_size = type2aelembytes(type); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
969 bool arg_is_signed = is_signed_subword_type(type); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
970 int slot_size = is_subword_type(type) ? type2aelembytes(T_INT) : arg_size; // store int sub-words as int |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
971 __ load_sized_value( value_src, temp_reg, arg_size, arg_is_signed); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
972 __ store_sized_value(temp_reg, slot_dest, slot_size ); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
973 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
974 BLOCK_COMMENT("} move_typed_arg"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
975 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
976 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
977 // Cf. TemplateInterpreterGenerator::generate_return_entry_for and |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
978 // InterpreterMacroAssembler::save_return_value |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
979 void MethodHandles::move_return_value(MacroAssembler* _masm, BasicType type, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
980 Address return_slot) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
981 BLOCK_COMMENT("move_return_value {"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
982 // Look at the type and pull the value out of the corresponding register. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
983 if (type == T_VOID) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
984 // nothing to do |
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985 } else if (type == T_OBJECT) { |
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986 __ verify_oop(O0); |
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987 __ st_ptr(O0, return_slot); |
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988 } else if (type == T_INT || is_subword_type(type)) { |
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989 int type_size = type2aelembytes(T_INT); |
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990 __ store_sized_value(O0, return_slot, type_size); |
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991 } else if (type == T_LONG) { |
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992 // store the value by parts |
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993 // Note: We assume longs are continguous (if misaligned) on the interpreter stack. |
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994 #if !defined(_LP64) && defined(COMPILER2) |
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995 __ stx(G1, return_slot); |
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996 #else |
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997 #ifdef _LP64 |
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998 __ stx(O0, return_slot); |
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999 #else |
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1000 if (return_slot.has_disp()) { |
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1001 // The displacement is a constant |
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1002 __ st(O0, return_slot); |
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1003 __ st(O1, return_slot.plus_disp(Interpreter::stackElementSize)); |
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1004 } else { |
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1005 __ std(O0, return_slot); |
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1006 } |
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1007 #endif |
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1008 #endif |
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1009 } else if (type == T_FLOAT) { |
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1010 __ stf(FloatRegisterImpl::S, Ftos_f, return_slot); |
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1011 } else if (type == T_DOUBLE) { |
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1012 __ stf(FloatRegisterImpl::D, Ftos_f, return_slot); |
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1013 } else { |
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1014 ShouldNotReachHere(); |
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1015 } |
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1016 BLOCK_COMMENT("} move_return_value"); |
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1017 } |
1503 | 1018 |
1019 #ifndef PRODUCT | |
1020 extern "C" void print_method_handle(oop mh); | |
1021 void trace_method_handle_stub(const char* adaptername, | |
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1022 oopDesc* mh, |
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1023 intptr_t* saved_sp) { |
3442
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1024 bool has_mh = (strstr(adaptername, "return/") == NULL); // return adapters don't have mh |
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1025 tty->print_cr("MH %s mh="INTPTR_FORMAT " saved_sp=" INTPTR_FORMAT, adaptername, (intptr_t) mh, saved_sp); |
3442
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1026 if (has_mh) |
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1027 print_method_handle(mh); |
1503 | 1028 } |
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1029 void MethodHandles::trace_method_handle(MacroAssembler* _masm, const char* adaptername) { |
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1030 if (!TraceMethodHandles) return; |
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1031 BLOCK_COMMENT("trace_method_handle {"); |
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1032 // save: Gargs, O5_savedSP |
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1033 __ save_frame(16); |
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1034 __ set((intptr_t) adaptername, O0); |
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1035 __ mov(G3_method_handle, O1); |
3336
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1036 __ mov(I5_savedSP, O2); |
1849
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1037 __ mov(G3_method_handle, L3); |
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1038 __ mov(Gargs, L4); |
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1039 __ mov(G5_method_type, L5); |
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1040 __ call_VM_leaf(L7, CAST_FROM_FN_PTR(address, trace_method_handle_stub)); |
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1041 |
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1042 __ mov(L3, G3_method_handle); |
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1043 __ mov(L4, Gargs); |
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1044 __ mov(L5, G5_method_type); |
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1045 __ restore(); |
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1046 BLOCK_COMMENT("} trace_method_handle"); |
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1047 } |
1503 | 1048 #endif // PRODUCT |
1049 | |
1507
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1050 // which conversion op types are implemented here? |
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1051 int MethodHandles::adapter_conversion_ops_supported_mask() { |
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1052 return ((1<<java_lang_invoke_AdapterMethodHandle::OP_RETYPE_ONLY) |
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1053 |(1<<java_lang_invoke_AdapterMethodHandle::OP_RETYPE_RAW) |
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1054 |(1<<java_lang_invoke_AdapterMethodHandle::OP_CHECK_CAST) |
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1055 |(1<<java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_PRIM) |
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1056 |(1<<java_lang_invoke_AdapterMethodHandle::OP_REF_TO_PRIM) |
3442
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1057 // OP_PRIM_TO_REF is below... |
2357
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1058 |(1<<java_lang_invoke_AdapterMethodHandle::OP_SWAP_ARGS) |
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1059 |(1<<java_lang_invoke_AdapterMethodHandle::OP_ROT_ARGS) |
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1060 |(1<<java_lang_invoke_AdapterMethodHandle::OP_DUP_ARGS) |
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1061 |(1<<java_lang_invoke_AdapterMethodHandle::OP_DROP_ARGS) |
3442
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1062 // OP_COLLECT_ARGS is below... |
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1063 |(1<<java_lang_invoke_AdapterMethodHandle::OP_SPREAD_ARGS) |
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1064 |(!UseRicochetFrames ? 0 : |
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1065 java_lang_invoke_MethodTypeForm::vmlayout_offset_in_bytes() <= 0 ? 0 : |
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1066 ((1<<java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF) |
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1067 |(1<<java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS) |
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1068 |(1<<java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS) |
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1069 ) |
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1070 ) |
1507
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1071 ); |
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1072 } |
1503 | 1073 |
1074 //------------------------------------------------------------------------------ | |
1075 // MethodHandles::generate_method_handle_stub | |
1076 // | |
710 | 1077 // Generate an "entry" field for a method handle. |
1078 // This determines how the method handle will respond to calls. | |
2116
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1079 void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHandles::EntryKind ek) { |
3442
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1080 MethodHandles::EntryKind ek_orig = ek_original_kind(ek); |
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1081 |
1503 | 1082 // Here is the register state during an interpreted call, |
1083 // as set up by generate_method_handle_interpreter_entry(): | |
1084 // - G5: garbage temp (was MethodHandle.invoke methodOop, unused) | |
1085 // - G3: receiver method handle | |
1086 // - O5_savedSP: sender SP (must preserve) | |
1087 | |
3442
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1088 const Register O0_scratch = O0; |
2088
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1089 const Register O1_scratch = O1; |
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|
1090 const Register O2_scratch = O2; |
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1091 const Register O3_scratch = O3; |
3442
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1092 const Register O4_scratch = O4; |
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1093 const Register G5_scratch = G5; |
2088
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|
1094 |
3442
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|
1095 // Often used names: |
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1096 const Register O0_argslot = O0; |
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|
1097 |
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|
1098 // Argument registers for _raise_exception: |
2088
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1099 const Register O0_code = O0; |
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1100 const Register O1_actual = O1; |
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1101 const Register O2_required = O2; |
1503 | 1102 |
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1103 guarantee(java_lang_invoke_MethodHandle::vmentry_offset_in_bytes() != 0, "must have offsets"); |
1503 | 1104 |
1105 // Some handy addresses: | |
1106 Address G5_method_fie( G5_method, in_bytes(methodOopDesc::from_interpreted_offset())); | |
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1107 Address G5_method_fce( G5_method, in_bytes(methodOopDesc::from_compiled_offset())); |
1503 | 1108 |
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1109 Address G3_mh_vmtarget( G3_method_handle, java_lang_invoke_MethodHandle::vmtarget_offset_in_bytes()); |
1503 | 1110 |
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1111 Address G3_dmh_vmindex( G3_method_handle, java_lang_invoke_DirectMethodHandle::vmindex_offset_in_bytes()); |
1503 | 1112 |
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1113 Address G3_bmh_vmargslot( G3_method_handle, java_lang_invoke_BoundMethodHandle::vmargslot_offset_in_bytes()); |
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1114 Address G3_bmh_argument( G3_method_handle, java_lang_invoke_BoundMethodHandle::argument_offset_in_bytes()); |
1503 | 1115 |
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1116 Address G3_amh_vmargslot( G3_method_handle, java_lang_invoke_AdapterMethodHandle::vmargslot_offset_in_bytes()); |
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1117 Address G3_amh_argument ( G3_method_handle, java_lang_invoke_AdapterMethodHandle::argument_offset_in_bytes()); |
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1118 Address G3_amh_conversion(G3_method_handle, java_lang_invoke_AdapterMethodHandle::conversion_offset_in_bytes()); |
1503 | 1119 |
1120 const int java_mirror_offset = klassOopDesc::klass_part_offset_in_bytes() + Klass::java_mirror_offset_in_bytes(); | |
1121 | |
1122 if (have_entry(ek)) { | |
1123 __ nop(); // empty stubs make SG sick | |
1124 return; | |
1125 } | |
1126 | |
1127 address interp_entry = __ pc(); | |
1128 | |
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1129 trace_method_handle(_masm, entry_name(ek)); |
1503 | 1130 |
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1131 BLOCK_COMMENT(err_msg("Entry %s {", entry_name(ek))); |
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1132 |
1503 | 1133 switch ((int) ek) { |
1134 case _raise_exception: | |
1135 { | |
1136 // Not a real MH entry, but rather shared code for raising an | |
2321
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1137 // exception. Since we use the compiled entry, arguments are |
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1138 // expected in compiler argument registers. |
2116
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1139 assert(raise_exception_method(), "must be set"); |
2321
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1140 assert(raise_exception_method()->from_compiled_entry(), "method must be linked"); |
1503 | 1141 |
1142 __ mov(O5_savedSP, SP); // Cut the stack back to where the caller started. | |
1143 | |
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1144 Label L_no_method; |
2357
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1145 // FIXME: fill in _raise_exception_method with a suitable java.lang.invoke method |
1503 | 1146 __ set(AddressLiteral((address) &_raise_exception_method), G5_method); |
1147 __ ld_ptr(Address(G5_method, 0), G5_method); | |
1148 __ tst(G5_method); | |
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1149 __ brx(Assembler::zero, false, Assembler::pn, L_no_method); |
1503 | 1150 __ delayed()->nop(); |
1151 | |
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1152 const int jobject_oop_offset = 0; |
1503 | 1153 __ ld_ptr(Address(G5_method, jobject_oop_offset), G5_method); |
1154 __ tst(G5_method); | |
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1155 __ brx(Assembler::zero, false, Assembler::pn, L_no_method); |
1503 | 1156 __ delayed()->nop(); |
1157 | |
1158 __ verify_oop(G5_method); | |
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1159 __ jump_indirect_to(G5_method_fce, O3_scratch); // jump to compiled entry |
1503 | 1160 __ delayed()->nop(); |
1161 | |
1162 // Do something that is at least causes a valid throw from the interpreter. | |
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1163 __ bind(L_no_method); |
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1164 __ unimplemented("call throw_WrongMethodType_entry"); |
1503 | 1165 } |
1166 break; | |
1167 | |
1168 case _invokestatic_mh: | |
1169 case _invokespecial_mh: | |
1170 { | |
1846 | 1171 __ load_heap_oop(G3_mh_vmtarget, G5_method); // target is a methodOop |
1503 | 1172 __ verify_oop(G5_method); |
1173 // Same as TemplateTable::invokestatic or invokespecial, | |
1174 // minus the CP setup and profiling: | |
1175 if (ek == _invokespecial_mh) { | |
1176 // Must load & check the first argument before entering the target method. | |
1177 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch); | |
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1178 __ ld_ptr(__ argument_address(O0_argslot, O0_argslot, -1), G3_method_handle); |
1503 | 1179 __ null_check(G3_method_handle); |
1180 __ verify_oop(G3_method_handle); | |
1181 } | |
1182 __ jump_indirect_to(G5_method_fie, O1_scratch); | |
1183 __ delayed()->nop(); | |
1184 } | |
1185 break; | |
1186 | |
1187 case _invokevirtual_mh: | |
1188 { | |
1189 // Same as TemplateTable::invokevirtual, | |
1190 // minus the CP setup and profiling: | |
1191 | |
1192 // Pick out the vtable index and receiver offset from the MH, | |
1193 // and then we can discard it: | |
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1194 Register O2_index = O2_scratch; |
1503 | 1195 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch); |
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1196 __ ldsw(G3_dmh_vmindex, O2_index); |
1503 | 1197 // Note: The verifier allows us to ignore G3_mh_vmtarget. |
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1198 __ ld_ptr(__ argument_address(O0_argslot, O0_argslot, -1), G3_method_handle); |
1503 | 1199 __ null_check(G3_method_handle, oopDesc::klass_offset_in_bytes()); |
1200 | |
1201 // Get receiver klass: | |
1202 Register O0_klass = O0_argslot; | |
1203 __ load_klass(G3_method_handle, O0_klass); | |
1204 __ verify_oop(O0_klass); | |
1205 | |
1206 // Get target methodOop & entry point: | |
1207 const int base = instanceKlass::vtable_start_offset() * wordSize; | |
1208 assert(vtableEntry::size() * wordSize == wordSize, "adjust the scaling in the code below"); | |
1209 | |
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1210 __ sll_ptr(O2_index, LogBytesPerWord, O2_index); |
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1211 __ add(O0_klass, O2_index, O0_klass); |
1503 | 1212 Address vtable_entry_addr(O0_klass, base + vtableEntry::method_offset_in_bytes()); |
1213 __ ld_ptr(vtable_entry_addr, G5_method); | |
1214 | |
1215 __ verify_oop(G5_method); | |
1216 __ jump_indirect_to(G5_method_fie, O1_scratch); | |
1217 __ delayed()->nop(); | |
1218 } | |
1219 break; | |
1220 | |
1221 case _invokeinterface_mh: | |
1222 { | |
1223 // Same as TemplateTable::invokeinterface, | |
1224 // minus the CP setup and profiling: | |
1225 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch); | |
1226 Register O1_intf = O1_scratch; | |
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1227 Register G5_index = G5_scratch; |
1846 | 1228 __ load_heap_oop(G3_mh_vmtarget, O1_intf); |
1503 | 1229 __ ldsw(G3_dmh_vmindex, G5_index); |
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1230 __ ld_ptr(__ argument_address(O0_argslot, O0_argslot, -1), G3_method_handle); |
1503 | 1231 __ null_check(G3_method_handle, oopDesc::klass_offset_in_bytes()); |
1232 | |
1233 // Get receiver klass: | |
1234 Register O0_klass = O0_argslot; | |
1235 __ load_klass(G3_method_handle, O0_klass); | |
1236 __ verify_oop(O0_klass); | |
1237 | |
1238 // Get interface: | |
1239 Label no_such_interface; | |
1240 __ verify_oop(O1_intf); | |
1241 __ lookup_interface_method(O0_klass, O1_intf, | |
1242 // Note: next two args must be the same: | |
1243 G5_index, G5_method, | |
1244 O2_scratch, | |
1245 O3_scratch, | |
1246 no_such_interface); | |
1247 | |
1248 __ verify_oop(G5_method); | |
1249 __ jump_indirect_to(G5_method_fie, O1_scratch); | |
1250 __ delayed()->nop(); | |
1251 | |
1252 __ bind(no_such_interface); | |
1253 // Throw an exception. | |
1254 // For historical reasons, it will be IncompatibleClassChangeError. | |
1255 __ unimplemented("not tested yet"); | |
2088
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1256 __ ld_ptr(Address(O1_intf, java_mirror_offset), O2_required); // required interface |
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|
1257 __ mov( O0_klass, O1_actual); // bad receiver |
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1258 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch); |
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1259 __ delayed()->mov(Bytecodes::_invokeinterface, O0_code); // who is complaining? |
1503 | 1260 } |
1261 break; | |
1262 | |
1263 case _bound_ref_mh: | |
1264 case _bound_int_mh: | |
1265 case _bound_long_mh: | |
1266 case _bound_ref_direct_mh: | |
1267 case _bound_int_direct_mh: | |
1268 case _bound_long_direct_mh: | |
1269 { | |
1270 const bool direct_to_method = (ek >= _bound_ref_direct_mh); | |
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1271 BasicType arg_type = ek_bound_mh_arg_type(ek); |
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1272 int arg_slots = type2size[arg_type]; |
1503 | 1273 |
1274 // Make room for the new argument: | |
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1275 load_vmargslot(_masm, G3_bmh_vmargslot, O0_argslot); |
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1276 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot); |
1503 | 1277 |
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1278 insert_arg_slots(_masm, arg_slots * stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch); |
1503 | 1279 |
1280 // Store bound argument into the new stack slot: | |
1846 | 1281 __ load_heap_oop(G3_bmh_argument, O1_scratch); |
1503 | 1282 if (arg_type == T_OBJECT) { |
1283 __ st_ptr(O1_scratch, Address(O0_argslot, 0)); | |
1284 } else { | |
1285 Address prim_value_addr(O1_scratch, java_lang_boxing_object::value_offset_in_bytes(arg_type)); | |
3442
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1286 move_typed_arg(_masm, arg_type, false, |
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1287 prim_value_addr, |
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1288 Address(O0_argslot, 0), |
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|
1289 O2_scratch); // must be an even register for !_LP64 long moves (uses O2/O3) |
1503 | 1290 } |
1291 | |
1292 if (direct_to_method) { | |
1846 | 1293 __ load_heap_oop(G3_mh_vmtarget, G5_method); // target is a methodOop |
1503 | 1294 __ verify_oop(G5_method); |
1295 __ jump_indirect_to(G5_method_fie, O1_scratch); | |
1296 __ delayed()->nop(); | |
1297 } else { | |
1846 | 1298 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); // target is a methodOop |
1503 | 1299 __ verify_oop(G3_method_handle); |
1300 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); | |
1301 } | |
1302 } | |
1303 break; | |
1304 | |
1305 case _adapter_retype_only: | |
1306 case _adapter_retype_raw: | |
1307 // Immediately jump to the next MH layer: | |
1846 | 1308 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
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1309 __ verify_oop(G3_method_handle); |
1503 | 1310 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1311 // This is OK when all parameter types widen. | |
1312 // It is also OK when a return type narrows. | |
1313 break; | |
1314 | |
1315 case _adapter_check_cast: | |
1316 { | |
1317 // Check a reference argument before jumping to the next layer of MH: | |
3442
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1318 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot); |
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1319 Address vmarg = __ argument_address(O0_argslot, O0_argslot); |
1503 | 1320 |
1321 // What class are we casting to? | |
3442
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1322 Register O1_klass = O1_scratch; // Interesting AMH data. |
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1323 __ load_heap_oop(G3_amh_argument, O1_klass); // This is a Class object! |
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1324 load_klass_from_Class(_masm, O1_klass, O2_scratch, O3_scratch); |
1503 | 1325 |
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1326 Label L_done; |
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1327 __ ld_ptr(vmarg, O2_scratch); |
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1328 __ tst(O2_scratch); |
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1329 __ brx(Assembler::zero, false, Assembler::pn, L_done); // No cast if null. |
1503 | 1330 __ delayed()->nop(); |
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1331 __ load_klass(O2_scratch, O2_scratch); |
1503 | 1332 |
1333 // Live at this point: | |
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1334 // - O0_argslot : argslot index in vmarg; may be required in the failing path |
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1335 // - O1_klass : klass required by the target method |
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1336 // - O2_scratch : argument klass to test |
1503 | 1337 // - G3_method_handle: adapter method handle |
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1338 __ check_klass_subtype(O2_scratch, O1_klass, O3_scratch, O4_scratch, L_done); |
1503 | 1339 |
1340 // If we get here, the type check failed! | |
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1341 __ load_heap_oop(G3_amh_argument, O2_required); // required class |
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1342 __ ld_ptr( vmarg, O1_actual); // bad object |
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1343 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch); |
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1344 __ delayed()->mov(Bytecodes::_checkcast, O0_code); // who is complaining? |
1503 | 1345 |
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1346 __ BIND(L_done); |
1503 | 1347 // Get the new MH: |
1846 | 1348 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 1349 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1350 } | |
1351 break; | |
1352 | |
1353 case _adapter_prim_to_prim: | |
1354 case _adapter_ref_to_prim: | |
1355 // Handled completely by optimized cases. | |
1356 __ stop("init_AdapterMethodHandle should not issue this"); | |
1357 break; | |
1358 | |
1359 case _adapter_opt_i2i: // optimized subcase of adapt_prim_to_prim | |
1360 //case _adapter_opt_f2i: // optimized subcase of adapt_prim_to_prim | |
1361 case _adapter_opt_l2i: // optimized subcase of adapt_prim_to_prim | |
1362 case _adapter_opt_unboxi: // optimized subcase of adapt_ref_to_prim | |
1363 { | |
1364 // Perform an in-place conversion to int or an int subword. | |
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1365 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot); |
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1366 Address value; |
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1367 Address vmarg; |
1503 | 1368 bool value_left_justified = false; |
1369 | |
1370 switch (ek) { | |
1371 case _adapter_opt_i2i: | |
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1372 value = vmarg = __ argument_address(O0_argslot, O0_argslot); |
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1373 break; |
1503 | 1374 case _adapter_opt_l2i: |
1901
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1375 { |
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1376 // just delete the extra slot |
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1377 #ifdef _LP64 |
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1378 // In V9, longs are given 2 64-bit slots in the interpreter, but the |
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1379 // data is passed in only 1 slot. |
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|
1380 // Keep the second slot. |
3442
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1381 __ add(__ argument_address(O0_argslot, O0_argslot, -1), O0_argslot); |
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1382 remove_arg_slots(_masm, -stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch); |
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1383 value = Address(O0_argslot, 4); // Get least-significant 32-bit of 64-bit value. |
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1384 vmarg = Address(O0_argslot, Interpreter::stackElementSize); |
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1385 #else |
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1386 // Keep the first slot. |
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1387 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot); |
1901
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1388 remove_arg_slots(_masm, -stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch); |
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1389 value = Address(O0_argslot, 0); |
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1390 vmarg = value; |
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1391 #endif |
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1392 } |
1503 | 1393 break; |
1394 case _adapter_opt_unboxi: | |
1395 { | |
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1396 vmarg = __ argument_address(O0_argslot, O0_argslot); |
1503 | 1397 // Load the value up from the heap. |
1398 __ ld_ptr(vmarg, O1_scratch); | |
1399 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_INT); | |
1400 #ifdef ASSERT | |
1401 for (int bt = T_BOOLEAN; bt < T_INT; bt++) { | |
1402 if (is_subword_type(BasicType(bt))) | |
1403 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(BasicType(bt)), ""); | |
1404 } | |
1405 #endif | |
1406 __ null_check(O1_scratch, value_offset); | |
1407 value = Address(O1_scratch, value_offset); | |
1408 #ifdef _BIG_ENDIAN | |
1409 // Values stored in objects are packed. | |
1410 value_left_justified = true; | |
1411 #endif | |
1412 } | |
1413 break; | |
1414 default: | |
1415 ShouldNotReachHere(); | |
1416 } | |
1417 | |
1418 // This check is required on _BIG_ENDIAN | |
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1419 Register G5_vminfo = G5_scratch; |
1503 | 1420 __ ldsw(G3_amh_conversion, G5_vminfo); |
1421 assert(CONV_VMINFO_SHIFT == 0, "preshifted"); | |
1422 | |
1423 // Original 32-bit vmdata word must be of this form: | |
1424 // | MBZ:6 | signBitCount:8 | srcDstTypes:8 | conversionOp:8 | | |
1425 __ lduw(value, O1_scratch); | |
1426 if (!value_left_justified) | |
1427 __ sll(O1_scratch, G5_vminfo, O1_scratch); | |
1428 Label zero_extend, done; | |
1429 __ btst(CONV_VMINFO_SIGN_FLAG, G5_vminfo); | |
1430 __ br(Assembler::zero, false, Assembler::pn, zero_extend); | |
1431 __ delayed()->nop(); | |
1432 | |
1433 // this path is taken for int->byte, int->short | |
1434 __ sra(O1_scratch, G5_vminfo, O1_scratch); | |
1435 __ ba(false, done); | |
1436 __ delayed()->nop(); | |
1437 | |
1438 __ bind(zero_extend); | |
1439 // this is taken for int->char | |
1440 __ srl(O1_scratch, G5_vminfo, O1_scratch); | |
1441 | |
1442 __ bind(done); | |
1443 __ st(O1_scratch, vmarg); | |
1444 | |
1445 // Get the new MH: | |
1846 | 1446 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 1447 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1448 } | |
1449 break; | |
1450 | |
1451 case _adapter_opt_i2l: // optimized subcase of adapt_prim_to_prim | |
1452 case _adapter_opt_unboxl: // optimized subcase of adapt_ref_to_prim | |
1453 { | |
1454 // Perform an in-place int-to-long or ref-to-long conversion. | |
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1455 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot); |
1503 | 1456 |
1457 // On big-endian machine we duplicate the slot and store the MSW | |
1458 // in the first slot. | |
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1459 __ add(__ argument_address(O0_argslot, O0_argslot, 1), O0_argslot); |
1503 | 1460 |
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1461 insert_arg_slots(_masm, stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch); |
1503 | 1462 |
1463 Address arg_lsw(O0_argslot, 0); | |
1506 | 1464 Address arg_msw(O0_argslot, -Interpreter::stackElementSize); |
1503 | 1465 |
1466 switch (ek) { | |
1467 case _adapter_opt_i2l: | |
1468 { | |
2382
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1469 #ifdef _LP64 |
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1470 __ ldsw(arg_lsw, O2_scratch); // Load LSW sign-extended |
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1471 #else |
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1472 __ ldsw(arg_lsw, O3_scratch); // Load LSW sign-extended |
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1473 __ srlx(O3_scratch, BitsPerInt, O2_scratch); // Move MSW value to lower 32-bits for std |
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1474 #endif |
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1475 __ st_long(O2_scratch, arg_msw); // Uses O2/O3 on !_LP64 |
1503 | 1476 } |
1477 break; | |
1478 case _adapter_opt_unboxl: | |
1479 { | |
1480 // Load the value up from the heap. | |
1481 __ ld_ptr(arg_lsw, O1_scratch); | |
1482 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_LONG); | |
1483 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE), ""); | |
1484 __ null_check(O1_scratch, value_offset); | |
1485 __ ld_long(Address(O1_scratch, value_offset), O2_scratch); // Uses O2/O3 on !_LP64 | |
1486 __ st_long(O2_scratch, arg_msw); | |
1487 } | |
1488 break; | |
1489 default: | |
1490 ShouldNotReachHere(); | |
1491 } | |
1492 | |
1846 | 1493 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 1494 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1495 } | |
1496 break; | |
1497 | |
1498 case _adapter_opt_f2d: // optimized subcase of adapt_prim_to_prim | |
1499 case _adapter_opt_d2f: // optimized subcase of adapt_prim_to_prim | |
1500 { | |
1501 // perform an in-place floating primitive conversion | |
1502 __ unimplemented(entry_name(ek)); | |
1503 } | |
1504 break; | |
1505 | |
1506 case _adapter_prim_to_ref: | |
1507 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
1508 break; | |
1509 | |
1510 case _adapter_swap_args: | |
1511 case _adapter_rot_args: | |
1512 // handled completely by optimized cases | |
1513 __ stop("init_AdapterMethodHandle should not issue this"); | |
1514 break; | |
1515 | |
1516 case _adapter_opt_swap_1: | |
1517 case _adapter_opt_swap_2: | |
1518 case _adapter_opt_rot_1_up: | |
1519 case _adapter_opt_rot_1_down: | |
1520 case _adapter_opt_rot_2_up: | |
1521 case _adapter_opt_rot_2_down: | |
1522 { | |
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1523 int swap_slots = ek_adapter_opt_swap_slots(ek); |
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1524 int rotate = ek_adapter_opt_swap_mode(ek); |
1503 | 1525 |
1526 // 'argslot' is the position of the first argument to swap. | |
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1527 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot); |
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1528 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot); |
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1529 if (VerifyMethodHandles) |
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1530 verify_argslot(_masm, O0_argslot, O2_scratch, "swap point must fall within current frame"); |
1503 | 1531 |
1532 // 'vminfo' is the second. | |
1533 Register O1_destslot = O1_scratch; | |
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1534 load_conversion_vminfo(_masm, G3_amh_conversion, O1_destslot); |
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1535 __ add(__ argument_address(O1_destslot, O1_destslot), O1_destslot); |
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1536 if (VerifyMethodHandles) |
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1537 verify_argslot(_masm, O1_destslot, O2_scratch, "swap point must fall within current frame"); |
1503 | 1538 |
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1539 assert(Interpreter::stackElementSize == wordSize, "else rethink use of wordSize here"); |
1503 | 1540 if (!rotate) { |
3442
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1541 // simple swap |
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1542 for (int i = 0; i < swap_slots; i++) { |
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1543 __ ld_ptr( Address(O0_argslot, i * wordSize), O2_scratch); |
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1544 __ ld_ptr( Address(O1_destslot, i * wordSize), O3_scratch); |
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1545 __ st_ptr(O3_scratch, Address(O0_argslot, i * wordSize)); |
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1546 __ st_ptr(O2_scratch, Address(O1_destslot, i * wordSize)); |
1503 | 1547 } |
1548 } else { | |
3442
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1549 // A rotate is actually pair of moves, with an "odd slot" (or pair) |
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1550 // changing place with a series of other slots. |
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1551 // First, push the "odd slot", which is going to get overwritten |
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1552 switch (swap_slots) { |
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1553 case 2 : __ ld_ptr(Address(O0_argslot, 1 * wordSize), O4_scratch); // fall-thru |
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1554 case 1 : __ ld_ptr(Address(O0_argslot, 0 * wordSize), O3_scratch); break; |
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1555 default: ShouldNotReachHere(); |
1503 | 1556 } |
1557 if (rotate > 0) { | |
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1558 // Here is rotate > 0: |
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1559 // (low mem) (high mem) |
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1560 // | dest: more_slots... | arg: odd_slot :arg+1 | |
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1561 // => |
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1562 // | dest: odd_slot | dest+1: more_slots... :arg+1 | |
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1563 // work argslot down to destslot, copying contiguous data upwards |
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1564 // pseudo-code: |
1503 | 1565 // argslot = src_addr - swap_bytes |
1566 // destslot = dest_addr | |
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1567 // while (argslot >= destslot) *(argslot + swap_bytes) = *(argslot + 0), argslot--; |
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1568 move_arg_slots_up(_masm, |
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1569 O1_destslot, |
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1570 Address(O0_argslot, 0), |
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1571 swap_slots, |
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1572 O0_argslot, O2_scratch); |
1503 | 1573 } else { |
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1574 // Here is the other direction, rotate < 0: |
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1575 // (low mem) (high mem) |
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1576 // | arg: odd_slot | arg+1: more_slots... :dest+1 | |
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1577 // => |
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1578 // | arg: more_slots... | dest: odd_slot :dest+1 | |
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1579 // work argslot up to destslot, copying contiguous data downwards |
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1580 // pseudo-code: |
1503 | 1581 // argslot = src_addr + swap_bytes |
1582 // destslot = dest_addr | |
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1583 // while (argslot <= destslot) *(argslot - swap_bytes) = *(argslot + 0), argslot++; |
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1584 __ add(O1_destslot, wordSize, O1_destslot); |
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1585 move_arg_slots_down(_masm, |
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1586 Address(O0_argslot, swap_slots * wordSize), |
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1587 O1_destslot, |
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1588 -swap_slots, |
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1589 O0_argslot, O2_scratch); |
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|
1590 |
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1591 __ sub(O1_destslot, wordSize, O1_destslot); |
1503 | 1592 } |
3442
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1593 // pop the original first chunk into the destination slot, now free |
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|
1594 switch (swap_slots) { |
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1595 case 2 : __ st_ptr(O4_scratch, Address(O1_destslot, 1 * wordSize)); // fall-thru |
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1596 case 1 : __ st_ptr(O3_scratch, Address(O1_destslot, 0 * wordSize)); break; |
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1597 default: ShouldNotReachHere(); |
1503 | 1598 } |
1599 } | |
1600 | |
1846 | 1601 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 1602 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1603 } | |
1604 break; | |
1605 | |
1606 case _adapter_dup_args: | |
1607 { | |
1608 // 'argslot' is the position of the first argument to duplicate. | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1609 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1610 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot); |
1503 | 1611 |
1612 // 'stack_move' is negative number of words to duplicate. | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1613 Register O1_stack_move = O1_scratch; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1614 load_stack_move(_masm, G3_amh_conversion, O1_stack_move); |
1503 | 1615 |
3442
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1616 if (VerifyMethodHandles) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1617 verify_argslots(_masm, O1_stack_move, O0_argslot, O2_scratch, O3_scratch, true, |
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1618 "copied argument(s) must fall within current frame"); |
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|
1619 } |
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1620 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1621 // insert location is always the bottom of the argument list: |
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|
1622 __ neg(O1_stack_move); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1623 push_arg_slots(_masm, O0_argslot, O1_stack_move, O2_scratch, O3_scratch); |
1503 | 1624 |
1846 | 1625 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 1626 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1627 } | |
1628 break; | |
1629 | |
1630 case _adapter_drop_args: | |
1631 { | |
1632 // 'argslot' is the position of the first argument to nuke. | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1633 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1634 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot); |
1503 | 1635 |
1636 // 'stack_move' is number of words to drop. | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1637 Register O1_stack_move = O1_scratch; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1638 load_stack_move(_masm, G3_amh_conversion, O1_stack_move); |
1503 | 1639 |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1640 remove_arg_slots(_masm, O1_stack_move, O0_argslot, O2_scratch, O3_scratch, O4_scratch); |
1503 | 1641 |
1846 | 1642 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 1643 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1644 } | |
1645 break; | |
1646 | |
1647 case _adapter_collect_args: | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1648 case _adapter_fold_args: |
1503 | 1649 case _adapter_spread_args: |
1650 // Handled completely by optimized cases. | |
1651 __ stop("init_AdapterMethodHandle should not issue this"); | |
1652 break; | |
1653 | |
3442
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1654 case _adapter_opt_collect_ref: |
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1655 case _adapter_opt_collect_int: |
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|
1656 case _adapter_opt_collect_long: |
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|
1657 case _adapter_opt_collect_float: |
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|
1658 case _adapter_opt_collect_double: |
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|
1659 case _adapter_opt_collect_void: |
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|
1660 case _adapter_opt_collect_0_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1661 case _adapter_opt_collect_1_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1662 case _adapter_opt_collect_2_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1663 case _adapter_opt_collect_3_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1664 case _adapter_opt_collect_4_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1665 case _adapter_opt_collect_5_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1666 case _adapter_opt_filter_S0_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1667 case _adapter_opt_filter_S1_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1668 case _adapter_opt_filter_S2_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1669 case _adapter_opt_filter_S3_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1670 case _adapter_opt_filter_S4_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1671 case _adapter_opt_filter_S5_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1672 case _adapter_opt_collect_2_S0_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1673 case _adapter_opt_collect_2_S1_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1674 case _adapter_opt_collect_2_S2_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1675 case _adapter_opt_collect_2_S3_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1676 case _adapter_opt_collect_2_S4_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1677 case _adapter_opt_collect_2_S5_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1678 case _adapter_opt_fold_ref: |
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changeset
|
1679 case _adapter_opt_fold_int: |
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changeset
|
1680 case _adapter_opt_fold_long: |
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changeset
|
1681 case _adapter_opt_fold_float: |
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changeset
|
1682 case _adapter_opt_fold_double: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1683 case _adapter_opt_fold_void: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1684 case _adapter_opt_fold_1_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1685 case _adapter_opt_fold_2_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1686 case _adapter_opt_fold_3_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1687 case _adapter_opt_fold_4_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1688 case _adapter_opt_fold_5_ref: |
1503 | 1689 { |
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1690 // Given a fresh incoming stack frame, build a new ricochet frame. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1691 // On entry, TOS points at a return PC, and FP is the callers frame ptr. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1692 // RSI/R13 has the caller's exact stack pointer, which we must also preserve. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1693 // RCX contains an AdapterMethodHandle of the indicated kind. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1694 |
f7d55ea6ee56
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diff
changeset
|
1695 // Relevant AMH fields: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1696 // amh.vmargslot: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1697 // points to the trailing edge of the arguments |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1698 // to filter, collect, or fold. For a boxing operation, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1699 // it points just after the single primitive value. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1700 // amh.argument: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1701 // recursively called MH, on |collect| arguments |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1702 // amh.vmtarget: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1703 // final destination MH, on return value, etc. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1704 // amh.conversion.dest: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1705 // tells what is the type of the return value |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1706 // (not needed here, since dest is also derived from ek) |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1707 // amh.conversion.vminfo: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1708 // points to the trailing edge of the return value |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1709 // when the vmtarget is to be called; this is |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1710 // equal to vmargslot + (retained ? |collect| : 0) |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1711 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1712 // Pass 0 or more argument slots to the recursive target. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1713 int collect_count_constant = ek_adapter_opt_collect_count(ek); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1714 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1715 // The collected arguments are copied from the saved argument list: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1716 int collect_slot_constant = ek_adapter_opt_collect_slot(ek); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1717 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1718 assert(ek_orig == _adapter_collect_args || |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1719 ek_orig == _adapter_fold_args, ""); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1720 bool retain_original_args = (ek_orig == _adapter_fold_args); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1721 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1722 // The return value is replaced (or inserted) at the 'vminfo' argslot. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1723 // Sometimes we can compute this statically. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1724 int dest_slot_constant = -1; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1725 if (!retain_original_args) |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
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|
1726 dest_slot_constant = collect_slot_constant; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1727 else if (collect_slot_constant >= 0 && collect_count_constant >= 0) |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1728 // We are preserving all the arguments, and the return value is prepended, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1729 // so the return slot is to the left (above) the |collect| sequence. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1730 dest_slot_constant = collect_slot_constant + collect_count_constant; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1731 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1732 // Replace all those slots by the result of the recursive call. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1733 // The result type can be one of ref, int, long, float, double, void. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1734 // In the case of void, nothing is pushed on the stack after return. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1735 BasicType dest = ek_adapter_opt_collect_type(ek); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1736 assert(dest == type2wfield[dest], "dest is a stack slot type"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1737 int dest_count = type2size[dest]; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1738 assert(dest_count == 1 || dest_count == 2 || (dest_count == 0 && dest == T_VOID), "dest has a size"); |
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diff
changeset
|
1739 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
1740 // Choose a return continuation. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1741 EntryKind ek_ret = _adapter_opt_return_any; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1742 if (dest != T_CONFLICT && OptimizeMethodHandles) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1743 switch (dest) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
1744 case T_INT : ek_ret = _adapter_opt_return_int; break; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1745 case T_LONG : ek_ret = _adapter_opt_return_long; break; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1746 case T_FLOAT : ek_ret = _adapter_opt_return_float; break; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
1747 case T_DOUBLE : ek_ret = _adapter_opt_return_double; break; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1748 case T_OBJECT : ek_ret = _adapter_opt_return_ref; break; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1749 case T_VOID : ek_ret = _adapter_opt_return_void; break; |
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diff
changeset
|
1750 default : ShouldNotReachHere(); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1751 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1752 if (dest == T_OBJECT && dest_slot_constant >= 0) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1753 EntryKind ek_try = EntryKind(_adapter_opt_return_S0_ref + dest_slot_constant); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1754 if (ek_try <= _adapter_opt_return_LAST && |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1755 ek_adapter_opt_return_slot(ek_try) == dest_slot_constant) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1756 ek_ret = ek_try; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1757 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1758 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1759 assert(ek_adapter_opt_return_type(ek_ret) == dest, ""); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1760 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1761 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1762 // Already pushed: ... keep1 | collect | keep2 | |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1763 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1764 // Push a few extra argument words, if we need them to store the return value. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1765 { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1766 int extra_slots = 0; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1767 if (retain_original_args) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1768 extra_slots = dest_count; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1769 } else if (collect_count_constant == -1) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1770 extra_slots = dest_count; // collect_count might be zero; be generous |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1771 } else if (dest_count > collect_count_constant) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1772 extra_slots = (dest_count - collect_count_constant); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1773 } else { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1774 // else we know we have enough dead space in |collect| to repurpose for return values |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1775 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1776 if (extra_slots != 0) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1777 __ sub(SP, round_to(extra_slots, 2) * Interpreter::stackElementSize, SP); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1778 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1779 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1780 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1781 // Set up Ricochet Frame. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1782 __ mov(SP, O5_savedSP); // record SP for the callee |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1783 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1784 // One extra (empty) slot for outgoing target MH (see Gargs computation below). |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1785 __ save_frame(2); // Note: we need to add 2 slots since frame::memory_parameter_word_sp_offset is 23. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1786 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1787 // Note: Gargs is live throughout the following, until we make our recursive call. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1788 // And the RF saves a copy in L4_saved_args_base. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1789 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1790 RicochetFrame::enter_ricochet_frame(_masm, G3_method_handle, Gargs, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1791 entry(ek_ret)->from_interpreted_entry()); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1792 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1793 // Compute argument base: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1794 // Set up Gargs for current frame, extra (empty) slot is for outgoing target MH (space reserved by save_frame above). |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1795 __ add(FP, STACK_BIAS - (1 * Interpreter::stackElementSize), Gargs); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1796 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1797 // Now pushed: ... keep1 | collect | keep2 | extra | [RF] |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1798 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1799 #ifdef ASSERT |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1800 if (VerifyMethodHandles && dest != T_CONFLICT) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1801 BLOCK_COMMENT("verify AMH.conv.dest {"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1802 extract_conversion_dest_type(_masm, RicochetFrame::L5_conversion, O1_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1803 Label L_dest_ok; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1804 __ cmp(O1_scratch, (int) dest); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1805 __ br(Assembler::equal, false, Assembler::pt, L_dest_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1806 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1807 if (dest == T_INT) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1808 for (int bt = T_BOOLEAN; bt < T_INT; bt++) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1809 if (is_subword_type(BasicType(bt))) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1810 __ cmp(O1_scratch, (int) bt); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1811 __ br(Assembler::equal, false, Assembler::pt, L_dest_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1812 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1813 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1814 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1815 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1816 __ stop("bad dest in AMH.conv"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1817 __ BIND(L_dest_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1818 BLOCK_COMMENT("} verify AMH.conv.dest"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1819 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1820 #endif //ASSERT |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1821 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1822 // Find out where the original copy of the recursive argument sequence begins. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1823 Register O0_coll = O0_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1824 { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1825 RegisterOrConstant collect_slot = collect_slot_constant; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1826 if (collect_slot_constant == -1) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1827 load_vmargslot(_masm, G3_amh_vmargslot, O1_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1828 collect_slot = O1_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1829 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1830 // collect_slot might be 0, but we need the move anyway. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1831 __ add(RicochetFrame::L4_saved_args_base, __ argument_offset(collect_slot, collect_slot.register_or_noreg()), O0_coll); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1832 // O0_coll now points at the trailing edge of |collect| and leading edge of |keep2| |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1833 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1834 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1835 // Replace the old AMH with the recursive MH. (No going back now.) |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1836 // In the case of a boxing call, the recursive call is to a 'boxer' method, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1837 // such as Integer.valueOf or Long.valueOf. In the case of a filter |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1838 // or collect call, it will take one or more arguments, transform them, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1839 // and return some result, to store back into argument_base[vminfo]. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1840 __ load_heap_oop(G3_amh_argument, G3_method_handle); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1841 if (VerifyMethodHandles) verify_method_handle(_masm, G3_method_handle, O1_scratch, O2_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1842 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1843 // Calculate |collect|, the number of arguments we are collecting. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1844 Register O1_collect_count = O1_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1845 RegisterOrConstant collect_count; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1846 if (collect_count_constant < 0) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1847 __ load_method_handle_vmslots(O1_collect_count, G3_method_handle, O2_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1848 collect_count = O1_collect_count; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1849 } else { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1850 collect_count = collect_count_constant; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1851 #ifdef ASSERT |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1852 if (VerifyMethodHandles) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1853 BLOCK_COMMENT("verify collect_count_constant {"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1854 __ load_method_handle_vmslots(O3_scratch, G3_method_handle, O2_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1855 Label L_count_ok; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1856 __ cmp(O3_scratch, collect_count_constant); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1857 __ br(Assembler::equal, false, Assembler::pt, L_count_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1858 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1859 __ stop("bad vminfo in AMH.conv"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1860 __ BIND(L_count_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1861 BLOCK_COMMENT("} verify collect_count_constant"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1862 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1863 #endif //ASSERT |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1864 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1865 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1866 // copy |collect| slots directly to TOS: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1867 push_arg_slots(_masm, O0_coll, collect_count, O2_scratch, O3_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1868 // Now pushed: ... keep1 | collect | keep2 | RF... | collect | |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1869 // O0_coll still points at the trailing edge of |collect| and leading edge of |keep2| |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1870 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1871 // If necessary, adjust the saved arguments to make room for the eventual return value. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1872 // Normal adjustment: ... keep1 | +dest+ | -collect- | keep2 | RF... | collect | |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1873 // If retaining args: ... keep1 | +dest+ | collect | keep2 | RF... | collect | |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1874 // In the non-retaining case, this might move keep2 either up or down. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
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1875 // We don't have to copy the whole | RF... collect | complex, |
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1876 // but we must adjust RF.saved_args_base. |
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1877 // Also, from now on, we will forget about the original copy of |collect|. |
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1878 // If we are retaining it, we will treat it as part of |keep2|. |
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1879 // For clarity we will define |keep3| = |collect|keep2| or |keep2|. |
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1880 |
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1881 BLOCK_COMMENT("adjust trailing arguments {"); |
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1882 // Compare the sizes of |+dest+| and |-collect-|, which are opposed opening and closing movements. |
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1883 int open_count = dest_count; |
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1884 RegisterOrConstant close_count = collect_count_constant; |
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1885 Register O1_close_count = O1_collect_count; |
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1886 if (retain_original_args) { |
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1887 close_count = constant(0); |
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1888 } else if (collect_count_constant == -1) { |
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1889 close_count = O1_collect_count; |
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1890 } |
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1891 |
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1892 // How many slots need moving? This is simply dest_slot (0 => no |keep3|). |
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1893 RegisterOrConstant keep3_count; |
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1894 Register O2_keep3_count = O2_scratch; |
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1895 if (dest_slot_constant < 0) { |
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1896 extract_conversion_vminfo(_masm, RicochetFrame::L5_conversion, O2_keep3_count); |
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1897 keep3_count = O2_keep3_count; |
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1898 } else { |
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1899 keep3_count = dest_slot_constant; |
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1900 #ifdef ASSERT |
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1901 if (VerifyMethodHandles && dest_slot_constant < 0) { |
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1902 BLOCK_COMMENT("verify dest_slot_constant {"); |
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1903 extract_conversion_vminfo(_masm, RicochetFrame::L5_conversion, O3_scratch); |
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1904 Label L_vminfo_ok; |
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1905 __ cmp(O3_scratch, dest_slot_constant); |
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1906 __ br(Assembler::equal, false, Assembler::pt, L_vminfo_ok); |
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1907 __ delayed()->nop(); |
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1908 __ stop("bad vminfo in AMH.conv"); |
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1909 __ BIND(L_vminfo_ok); |
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1910 BLOCK_COMMENT("} verify dest_slot_constant"); |
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1911 } |
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1912 #endif //ASSERT |
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1913 } |
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1914 |
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1915 // tasks remaining: |
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1916 bool move_keep3 = (!keep3_count.is_constant() || keep3_count.as_constant() != 0); |
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1917 bool stomp_dest = (NOT_DEBUG(dest == T_OBJECT) DEBUG_ONLY(dest_count != 0)); |
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1918 bool fix_arg_base = (!close_count.is_constant() || open_count != close_count.as_constant()); |
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1919 |
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1920 // Old and new argument locations (based at slot 0). |
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1921 // Net shift (&new_argv - &old_argv) is (close_count - open_count). |
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1922 bool zero_open_count = (open_count == 0); // remember this bit of info |
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1923 if (move_keep3 && fix_arg_base) { |
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1924 // It will be easier to have everything in one register: |
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1925 if (close_count.is_register()) { |
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1926 // Deduct open_count from close_count register to get a clean +/- value. |
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1927 __ sub(close_count.as_register(), open_count, close_count.as_register()); |
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1928 } else { |
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1929 close_count = close_count.as_constant() - open_count; |
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1930 } |
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1931 open_count = 0; |
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1932 } |
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1933 Register L4_old_argv = RicochetFrame::L4_saved_args_base; |
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1934 Register O3_new_argv = O3_scratch; |
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1935 if (fix_arg_base) { |
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1936 __ add(L4_old_argv, __ argument_offset(close_count, O4_scratch), O3_new_argv, |
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1937 -(open_count * Interpreter::stackElementSize)); |
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1938 } |
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1939 |
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1940 // First decide if any actual data are to be moved. |
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1941 // We can skip if (a) |keep3| is empty, or (b) the argument list size didn't change. |
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1942 // (As it happens, all movements involve an argument list size change.) |
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1943 |
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1944 // If there are variable parameters, use dynamic checks to skip around the whole mess. |
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1945 Label L_done; |
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1946 if (keep3_count.is_register()) { |
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1947 __ tst(keep3_count.as_register()); |
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1948 __ br(Assembler::zero, false, Assembler::pn, L_done); |
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1949 __ delayed()->nop(); |
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1950 } |
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1951 if (close_count.is_register()) { |
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1952 __ cmp(close_count.as_register(), open_count); |
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1953 __ br(Assembler::equal, false, Assembler::pn, L_done); |
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1954 __ delayed()->nop(); |
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1955 } |
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|
1956 |
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1957 if (move_keep3 && fix_arg_base) { |
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1958 bool emit_move_down = false, emit_move_up = false, emit_guard = false; |
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|
1959 if (!close_count.is_constant()) { |
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1960 emit_move_down = emit_guard = !zero_open_count; |
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1961 emit_move_up = true; |
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1962 } else if (open_count != close_count.as_constant()) { |
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1963 emit_move_down = (open_count > close_count.as_constant()); |
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1964 emit_move_up = !emit_move_down; |
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|
1965 } |
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|
1966 Label L_move_up; |
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1967 if (emit_guard) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1968 __ cmp(close_count.as_register(), open_count); |
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|
1969 __ br(Assembler::greater, false, Assembler::pn, L_move_up); |
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|
1970 __ delayed()->nop(); |
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|
1971 } |
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|
1972 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1973 if (emit_move_down) { |
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|
1974 // Move arguments down if |+dest+| > |-collect-| |
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|
1975 // (This is rare, except when arguments are retained.) |
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|
1976 // This opens space for the return value. |
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|
1977 if (keep3_count.is_constant()) { |
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|
1978 for (int i = 0; i < keep3_count.as_constant(); i++) { |
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|
1979 __ ld_ptr( Address(L4_old_argv, i * Interpreter::stackElementSize), O4_scratch); |
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|
1980 __ st_ptr(O4_scratch, Address(O3_new_argv, i * Interpreter::stackElementSize) ); |
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|
1981 } |
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|
1982 } else { |
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diff
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|
1983 // Live: O1_close_count, O2_keep3_count, O3_new_argv |
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|
1984 Register argv_top = O0_scratch; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1985 __ add(L4_old_argv, __ argument_offset(keep3_count, O4_scratch), argv_top); |
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|
1986 move_arg_slots_down(_masm, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1987 Address(L4_old_argv, 0), // beginning of old argv |
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diff
changeset
|
1988 argv_top, // end of old argv |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1989 close_count, // distance to move down (must be negative) |
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diff
changeset
|
1990 O4_scratch, G5_scratch); |
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diff
changeset
|
1991 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1992 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1993 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1994 if (emit_guard) { |
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|
1995 __ ba(false, L_done); // assumes emit_move_up is true also |
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diff
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|
1996 __ delayed()->nop(); |
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|
1997 __ BIND(L_move_up); |
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diff
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|
1998 } |
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|
1999 |
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changeset
|
2000 if (emit_move_up) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2001 // Move arguments up if |+dest+| < |-collect-| |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2002 // (This is usual, except when |keep3| is empty.) |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2003 // This closes up the space occupied by the now-deleted collect values. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2004 if (keep3_count.is_constant()) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2005 for (int i = keep3_count.as_constant() - 1; i >= 0; i--) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2006 __ ld_ptr( Address(L4_old_argv, i * Interpreter::stackElementSize), O4_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2007 __ st_ptr(O4_scratch, Address(O3_new_argv, i * Interpreter::stackElementSize) ); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2008 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2009 } else { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
2010 Address argv_top(L4_old_argv, __ argument_offset(keep3_count, O4_scratch)); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
2011 // Live: O1_close_count, O2_keep3_count, O3_new_argv |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2012 move_arg_slots_up(_masm, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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changeset
|
2013 L4_old_argv, // beginning of old argv |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2014 argv_top, // end of old argv |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
2015 close_count, // distance to move up (must be positive) |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2016 O4_scratch, G5_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2017 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2018 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2019 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2020 __ BIND(L_done); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2021 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2022 if (fix_arg_base) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
2023 // adjust RF.saved_args_base |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2024 __ mov(O3_new_argv, RicochetFrame::L4_saved_args_base); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2025 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
2026 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2027 if (stomp_dest) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2028 // Stomp the return slot, so it doesn't hold garbage. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2029 // This isn't strictly necessary, but it may help detect bugs. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2030 __ set(RicochetFrame::RETURN_VALUE_PLACEHOLDER, O4_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2031 __ st_ptr(O4_scratch, Address(RicochetFrame::L4_saved_args_base, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
2032 __ argument_offset(keep3_count, keep3_count.register_or_noreg()))); // uses O2_keep3_count |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2033 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2034 BLOCK_COMMENT("} adjust trailing arguments"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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changeset
|
2035 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2036 BLOCK_COMMENT("do_recursive_call"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2037 __ mov(SP, O5_savedSP); // record SP for the callee |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
2038 __ set(ExternalAddress(SharedRuntime::ricochet_blob()->bounce_addr() - frame::pc_return_offset), O7); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2039 // The globally unique bounce address has two purposes: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2040 // 1. It helps the JVM recognize this frame (frame::is_ricochet_frame). |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2041 // 2. When returned to, it cuts back the stack and redirects control flow |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2042 // to the return handler. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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changeset
|
2043 // The return handler will further cut back the stack when it takes |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
2044 // down the RF. Perhaps there is a way to streamline this further. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2045 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2046 // State during recursive call: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2047 // ... keep1 | dest | dest=42 | keep3 | RF... | collect | bounce_pc | |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
2048 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1503 | 2049 } |
2050 break; | |
2051 | |
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2052 case _adapter_opt_return_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2053 case _adapter_opt_return_int: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2054 case _adapter_opt_return_long: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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changeset
|
2055 case _adapter_opt_return_float: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2056 case _adapter_opt_return_double: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2057 case _adapter_opt_return_void: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2058 case _adapter_opt_return_S0_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2059 case _adapter_opt_return_S1_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2060 case _adapter_opt_return_S2_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2061 case _adapter_opt_return_S3_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
2062 case _adapter_opt_return_S4_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2063 case _adapter_opt_return_S5_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2064 { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2065 BasicType dest_type_constant = ek_adapter_opt_return_type(ek); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2066 int dest_slot_constant = ek_adapter_opt_return_slot(ek); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
2067 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2068 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2069 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
2070 if (dest_slot_constant == -1) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2071 // The current stub is a general handler for this dest_type. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2072 // It can be called from _adapter_opt_return_any below. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
2073 // Stash the address in a little table. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2074 assert((dest_type_constant & CONV_TYPE_MASK) == dest_type_constant, "oob"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2075 address return_handler = __ pc(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2076 _adapter_return_handlers[dest_type_constant] = return_handler; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
2077 if (dest_type_constant == T_INT) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
2078 // do the subword types too |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2079 for (int bt = T_BOOLEAN; bt < T_INT; bt++) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2080 if (is_subword_type(BasicType(bt)) && |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2081 _adapter_return_handlers[bt] == NULL) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2082 _adapter_return_handlers[bt] = return_handler; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2083 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
2084 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2085 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2086 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
2087 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2088 // On entry to this continuation handler, make Gargs live again. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2089 __ mov(RicochetFrame::L4_saved_args_base, Gargs); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2090 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2091 Register O7_temp = O7; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2092 Register O5_vminfo = O5; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2093 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2094 RegisterOrConstant dest_slot = dest_slot_constant; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
2095 if (dest_slot_constant == -1) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2096 extract_conversion_vminfo(_masm, RicochetFrame::L5_conversion, O5_vminfo); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2097 dest_slot = O5_vminfo; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2098 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2099 // Store the result back into the argslot. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2100 // This code uses the interpreter calling sequence, in which the return value |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2101 // is usually left in the TOS register, as defined by InterpreterMacroAssembler::pop. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2102 // There are certain irregularities with floating point values, which can be seen |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2103 // in TemplateInterpreterGenerator::generate_return_entry_for. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2104 move_return_value(_masm, dest_type_constant, __ argument_address(dest_slot, O7_temp)); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2105 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2106 RicochetFrame::leave_ricochet_frame(_masm, G3_method_handle, I5_savedSP, I7); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2107 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2108 // Load the final target and go. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2109 if (VerifyMethodHandles) verify_method_handle(_masm, G3_method_handle, O0_scratch, O1_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2110 __ restore(I5_savedSP, G0, SP); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2111 __ jump_to_method_handle_entry(G3_method_handle, O0_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2112 __ illtrap(0); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2113 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2114 break; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2115 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2116 case _adapter_opt_return_any: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2117 { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2118 Register O7_temp = O7; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2119 Register O5_dest_type = O5; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2120 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2121 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2122 extract_conversion_dest_type(_masm, RicochetFrame::L5_conversion, O5_dest_type); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2123 __ set(ExternalAddress((address) &_adapter_return_handlers[0]), O7_temp); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2124 __ sll_ptr(O5_dest_type, LogBytesPerWord, O5_dest_type); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2125 __ ld_ptr(O7_temp, O5_dest_type, O7_temp); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2126 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2127 #ifdef ASSERT |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2128 { Label L_ok; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2129 __ br_notnull(O7_temp, false, Assembler::pt, L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2130 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2131 __ stop("bad method handle return"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2132 __ BIND(L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2133 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2134 #endif //ASSERT |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2135 __ JMP(O7_temp, 0); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2136 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2137 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2138 break; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2139 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2140 case _adapter_opt_spread_0: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2141 case _adapter_opt_spread_1_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2142 case _adapter_opt_spread_2_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2143 case _adapter_opt_spread_3_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2144 case _adapter_opt_spread_4_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2145 case _adapter_opt_spread_5_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2146 case _adapter_opt_spread_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2147 case _adapter_opt_spread_byte: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2148 case _adapter_opt_spread_char: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2149 case _adapter_opt_spread_short: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2150 case _adapter_opt_spread_int: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2151 case _adapter_opt_spread_long: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2152 case _adapter_opt_spread_float: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2153 case _adapter_opt_spread_double: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2154 { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2155 // spread an array out into a group of arguments |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2156 int length_constant = ek_adapter_opt_spread_count(ek); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2157 bool length_can_be_zero = (length_constant == 0); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2158 if (length_constant < 0) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2159 // some adapters with variable length must handle the zero case |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2160 if (!OptimizeMethodHandles || |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2161 ek_adapter_opt_spread_type(ek) != T_OBJECT) |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2162 length_can_be_zero = true; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2163 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2164 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2165 // find the address of the array argument |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2166 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2167 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2168 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2169 // O0_argslot points both to the array and to the first output arg |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2170 Address vmarg = Address(O0_argslot, 0); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2171 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2172 // Get the array value. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2173 Register O1_array = O1_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2174 Register O2_array_klass = O2_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2175 BasicType elem_type = ek_adapter_opt_spread_type(ek); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2176 int elem_slots = type2size[elem_type]; // 1 or 2 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2177 int array_slots = 1; // array is always a T_OBJECT |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2178 int length_offset = arrayOopDesc::length_offset_in_bytes(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2179 int elem0_offset = arrayOopDesc::base_offset_in_bytes(elem_type); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2180 __ ld_ptr(vmarg, O1_array); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2181 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2182 Label L_array_is_empty, L_insert_arg_space, L_copy_args, L_args_done; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2183 if (length_can_be_zero) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2184 // handle the null pointer case, if zero is allowed |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2185 Label L_skip; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2186 if (length_constant < 0) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2187 load_conversion_vminfo(_masm, G3_amh_conversion, O3_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2188 __ br_zero(Assembler::notZero, false, Assembler::pn, O3_scratch, L_skip); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2189 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2190 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2191 __ br_null(O1_array, false, Assembler::pn, L_array_is_empty); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2192 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2193 __ BIND(L_skip); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2194 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2195 __ null_check(O1_array, oopDesc::klass_offset_in_bytes()); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2196 __ load_klass(O1_array, O2_array_klass); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2197 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2198 // Check the array type. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2199 Register O3_klass = O3_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2200 __ load_heap_oop(G3_amh_argument, O3_klass); // this is a Class object! |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2201 load_klass_from_Class(_masm, O3_klass, O4_scratch, G5_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2202 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2203 Label L_ok_array_klass, L_bad_array_klass, L_bad_array_length; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2204 __ check_klass_subtype(O2_array_klass, O3_klass, O4_scratch, G5_scratch, L_ok_array_klass); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2205 // If we get here, the type check failed! |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2206 __ ba(false, L_bad_array_klass); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2207 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2208 __ BIND(L_ok_array_klass); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2209 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2210 // Check length. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2211 if (length_constant >= 0) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2212 __ ldsw(Address(O1_array, length_offset), O4_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2213 __ cmp(O4_scratch, length_constant); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2214 } else { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2215 Register O3_vminfo = O3_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2216 load_conversion_vminfo(_masm, G3_amh_conversion, O3_vminfo); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2217 __ ldsw(Address(O1_array, length_offset), O4_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2218 __ cmp(O3_vminfo, O4_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2219 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2220 __ br(Assembler::notEqual, false, Assembler::pn, L_bad_array_length); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2221 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2222 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2223 Register O2_argslot_limit = O2_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2224 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2225 // Array length checks out. Now insert any required stack slots. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2226 if (length_constant == -1) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2227 // Form a pointer to the end of the affected region. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2228 __ add(O0_argslot, Interpreter::stackElementSize, O2_argslot_limit); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2229 // 'stack_move' is negative number of words to insert |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2230 // This number already accounts for elem_slots. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2231 Register O3_stack_move = O3_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2232 load_stack_move(_masm, G3_amh_conversion, O3_stack_move); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2233 __ cmp(O3_stack_move, 0); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2234 assert(stack_move_unit() < 0, "else change this comparison"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2235 __ br(Assembler::less, false, Assembler::pn, L_insert_arg_space); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2236 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2237 __ br(Assembler::equal, false, Assembler::pn, L_copy_args); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2238 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2239 // single argument case, with no array movement |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2240 __ BIND(L_array_is_empty); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2241 remove_arg_slots(_masm, -stack_move_unit() * array_slots, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2242 O0_argslot, O1_scratch, O2_scratch, O3_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2243 __ ba(false, L_args_done); // no spreading to do |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2244 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2245 __ BIND(L_insert_arg_space); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2246 // come here in the usual case, stack_move < 0 (2 or more spread arguments) |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2247 // Live: O1_array, O2_argslot_limit, O3_stack_move |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2248 insert_arg_slots(_masm, O3_stack_move, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2249 O0_argslot, O4_scratch, G5_scratch, O1_scratch); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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2250 // reload from rdx_argslot_limit since rax_argslot is now decremented |
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2251 __ ld_ptr(Address(O2_argslot_limit, -Interpreter::stackElementSize), O1_array); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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2252 } else if (length_constant >= 1) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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2253 int new_slots = (length_constant * elem_slots) - array_slots; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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2254 insert_arg_slots(_masm, new_slots * stack_move_unit(), |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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2255 O0_argslot, O2_scratch, O3_scratch, O4_scratch); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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2256 } else if (length_constant == 0) { |
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2257 __ BIND(L_array_is_empty); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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2258 remove_arg_slots(_masm, -stack_move_unit() * array_slots, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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2259 O0_argslot, O1_scratch, O2_scratch, O3_scratch); |
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2260 } else { |
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2261 ShouldNotReachHere(); |
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2262 } |
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2263 |
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2264 // Copy from the array to the new slots. |
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2265 // Note: Stack change code preserves integrity of O0_argslot pointer. |
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2266 // So even after slot insertions, O0_argslot still points to first argument. |
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2267 // Beware: Arguments that are shallow on the stack are deep in the array, |
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2268 // and vice versa. So a downward-growing stack (the usual) has to be copied |
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2269 // elementwise in reverse order from the source array. |
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2270 __ BIND(L_copy_args); |
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2271 if (length_constant == -1) { |
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2272 // [O0_argslot, O2_argslot_limit) is the area we are inserting into. |
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2273 // Array element [0] goes at O0_argslot_limit[-wordSize]. |
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2274 Register O1_source = O1_array; |
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2275 __ add(Address(O1_array, elem0_offset), O1_source); |
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2276 Register O4_fill_ptr = O4_scratch; |
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2277 __ mov(O2_argslot_limit, O4_fill_ptr); |
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2278 Label L_loop; |
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2279 __ BIND(L_loop); |
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2280 __ add(O4_fill_ptr, -Interpreter::stackElementSize * elem_slots, O4_fill_ptr); |
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2281 move_typed_arg(_masm, elem_type, true, |
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2282 Address(O1_source, 0), Address(O4_fill_ptr, 0), |
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2283 O2_scratch); // must be an even register for !_LP64 long moves (uses O2/O3) |
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2284 __ add(O1_source, type2aelembytes(elem_type), O1_source); |
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2285 __ cmp(O4_fill_ptr, O0_argslot); |
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2286 __ brx(Assembler::greaterUnsigned, false, Assembler::pt, L_loop); |
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2287 __ delayed()->nop(); // FILLME |
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2288 } else if (length_constant == 0) { |
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2289 // nothing to copy |
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2290 } else { |
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2291 int elem_offset = elem0_offset; |
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2292 int slot_offset = length_constant * Interpreter::stackElementSize; |
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2293 for (int index = 0; index < length_constant; index++) { |
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2294 slot_offset -= Interpreter::stackElementSize * elem_slots; // fill backward |
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2295 move_typed_arg(_masm, elem_type, true, |
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2296 Address(O1_array, elem_offset), Address(O0_argslot, slot_offset), |
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2297 O2_scratch); // must be an even register for !_LP64 long moves (uses O2/O3) |
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2298 elem_offset += type2aelembytes(elem_type); |
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2299 } |
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2300 } |
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2301 __ BIND(L_args_done); |
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2302 |
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2303 // Arguments are spread. Move to next method handle. |
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2304 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
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2305 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
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2306 |
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2307 __ BIND(L_bad_array_klass); |
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2308 assert(!vmarg.uses(O2_required), "must be different registers"); |
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2309 __ load_heap_oop(Address(O2_array_klass, java_mirror_offset), O2_required); // required class |
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2310 __ ld_ptr( vmarg, O1_actual); // bad object |
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2311 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch); |
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2312 __ delayed()->mov(Bytecodes::_aaload, O0_code); // who is complaining? |
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2313 |
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2314 __ bind(L_bad_array_length); |
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2315 assert(!vmarg.uses(O2_required), "must be different registers"); |
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2316 __ mov( G3_method_handle, O2_required); // required class |
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2317 __ ld_ptr(vmarg, O1_actual); // bad object |
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2318 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch); |
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2319 __ delayed()->mov(Bytecodes::_arraylength, O0_code); // who is complaining? |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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2320 } |
1503 | 2321 break; |
2322 | |
2323 default: | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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2324 DEBUG_ONLY(tty->print_cr("bad ek=%d (%s)", (int)ek, entry_name(ek))); |
1503 | 2325 ShouldNotReachHere(); |
2326 } | |
3442
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2327 BLOCK_COMMENT(err_msg("} Entry %s", entry_name(ek))); |
1503 | 2328 |
2329 address me_cookie = MethodHandleEntry::start_compiled_entry(_masm, interp_entry); | |
2330 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
2331 | |
2332 init_entry(ek, MethodHandleEntry::finish_compiled_entry(_masm, me_cookie)); | |
710 | 2333 } |