Mercurial > hg > truffle
annotate src/cpu/sparc/vm/methodHandles_sparc.cpp @ 4656:c1160de36474
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Mon, 20 Feb 2012 18:01:22 +0100 |
parents | 04b9a2566eec |
children | 33df1aeaebbf |
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 * | |
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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 = 45, |
3442
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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); |
3839 | 290 __ cmp_and_br_short(O7_temp, L0_magic_number_1, Assembler::equal, Assembler::pt, L_ok_1); |
3442
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291 __ stop("damaged ricochet frame: MAGIC_NUMBER_1 not found"); |
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292 |
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293 __ BIND(L_ok_1); |
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294 |
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295 // Arguments pointer must look reasonable: |
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296 #ifdef _LP64 |
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297 Register FP_temp = O5_temp; |
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298 __ add(FP, STACK_BIAS, FP_temp); |
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299 #else |
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300 Register FP_temp = FP; |
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301 #endif |
3839 | 302 __ cmp_and_brx_short(L4_saved_args_base, FP_temp, Assembler::greaterEqualUnsigned, Assembler::pt, L_ok_2); |
3442
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303 __ stop("damaged ricochet frame: L4 < FP"); |
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304 |
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305 __ BIND(L_ok_2); |
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306 // Disable until we decide on it's fate |
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307 // __ sub(L4_saved_args_base, UNREASONABLE_STACK_MOVE * Interpreter::stackElementSize, O7_temp); |
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308 // __ cmp(O7_temp, FP_temp); |
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309 // __ br(Assembler::lessEqualUnsigned, false, Assembler::pt, L_ok_3); |
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310 // __ delayed()->nop(); |
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311 // __ stop("damaged ricochet frame: (L4 - UNREASONABLE_STACK_MOVE) > FP"); |
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312 |
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313 __ BIND(L_ok_3); |
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314 extract_conversion_dest_type(_masm, L5_conversion, O7_temp); |
3839 | 315 __ cmp_and_br_short(O7_temp, T_VOID, Assembler::equal, Assembler::pt, L_ok_4); |
3442
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316 extract_conversion_vminfo(_masm, L5_conversion, O5_temp); |
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317 __ ld_ptr(L4_saved_args_base, __ argument_offset(O5_temp, O5_temp), O7_temp); |
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318 assert(Assembler::is_simm13(RETURN_VALUE_PLACEHOLDER), "must be simm13"); |
3839 | 319 __ cmp_and_brx_short(O7_temp, (int32_t) RETURN_VALUE_PLACEHOLDER, Assembler::equal, Assembler::pt, L_ok_4); |
3442
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320 __ stop("damaged ricochet frame: RETURN_VALUE_PLACEHOLDER not found"); |
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321 __ BIND(L_ok_4); |
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322 BLOCK_COMMENT("} verify_clean"); |
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323 } |
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324 #endif //ASSERT |
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325 |
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326 void MethodHandles::load_klass_from_Class(MacroAssembler* _masm, Register klass_reg, Register temp_reg, Register temp2_reg) { |
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327 if (VerifyMethodHandles) |
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328 verify_klass(_masm, klass_reg, SystemDictionaryHandles::Class_klass(), temp_reg, temp2_reg, |
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329 "AMH argument is a Class"); |
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330 __ load_heap_oop(Address(klass_reg, java_lang_Class::klass_offset_in_bytes()), klass_reg); |
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331 } |
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332 |
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333 void MethodHandles::load_conversion_vminfo(MacroAssembler* _masm, Address conversion_field_addr, Register reg) { |
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334 assert(CONV_VMINFO_SHIFT == 0, "preshifted"); |
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335 assert(CONV_VMINFO_MASK == right_n_bits(BitsPerByte), "else change type of following load"); |
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336 __ ldub(conversion_field_addr.plus_disp(BytesPerInt - 1), reg); |
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337 } |
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338 |
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339 void MethodHandles::extract_conversion_vminfo(MacroAssembler* _masm, Register conversion_field_reg, Register reg) { |
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340 assert(CONV_VMINFO_SHIFT == 0, "preshifted"); |
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341 __ and3(conversion_field_reg, CONV_VMINFO_MASK, reg); |
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342 } |
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343 |
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344 void MethodHandles::extract_conversion_dest_type(MacroAssembler* _masm, Register conversion_field_reg, Register reg) { |
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345 __ srl(conversion_field_reg, CONV_DEST_TYPE_SHIFT, reg); |
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346 __ and3(reg, 0x0F, reg); |
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347 } |
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348 |
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349 void MethodHandles::load_stack_move(MacroAssembler* _masm, |
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350 Address G3_amh_conversion, |
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351 Register stack_move_reg) { |
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352 BLOCK_COMMENT("load_stack_move {"); |
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353 __ ldsw(G3_amh_conversion, stack_move_reg); |
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354 __ sra(stack_move_reg, CONV_STACK_MOVE_SHIFT, stack_move_reg); |
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355 #ifdef ASSERT |
3442
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356 if (VerifyMethodHandles) { |
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357 Label L_ok, L_bad; |
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358 int32_t stack_move_limit = 0x0800; // extra-large |
3839 | 359 __ cmp_and_br_short(stack_move_reg, stack_move_limit, Assembler::greaterEqual, Assembler::pn, L_bad); |
3442
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360 __ cmp(stack_move_reg, -stack_move_limit); |
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361 __ br(Assembler::greater, false, Assembler::pt, L_ok); |
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362 __ delayed()->nop(); |
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363 __ BIND(L_bad); |
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364 __ stop("load_stack_move of garbage value"); |
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365 __ BIND(L_ok); |
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366 } |
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367 #endif |
3442
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368 BLOCK_COMMENT("} load_stack_move"); |
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369 } |
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370 |
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371 #ifdef ASSERT |
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372 void MethodHandles::RicochetFrame::verify() const { |
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373 assert(magic_number_1() == MAGIC_NUMBER_1, ""); |
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374 if (!Universe::heap()->is_gc_active()) { |
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375 if (saved_args_layout() != NULL) { |
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376 assert(saved_args_layout()->is_method(), "must be valid oop"); |
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377 } |
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378 if (saved_target() != NULL) { |
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379 assert(java_lang_invoke_MethodHandle::is_instance(saved_target()), "checking frame value"); |
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380 } |
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381 } |
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382 int conv_op = adapter_conversion_op(conversion()); |
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383 assert(conv_op == java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS || |
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384 conv_op == java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS || |
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385 conv_op == java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF, |
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386 "must be a sane conversion"); |
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387 if (has_return_value_slot()) { |
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388 assert(*return_value_slot_addr() == RETURN_VALUE_PLACEHOLDER, ""); |
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389 } |
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390 } |
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391 |
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392 void MethodHandles::verify_argslot(MacroAssembler* _masm, Register argslot_reg, Register temp_reg, const char* error_message) { |
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393 // Verify that argslot lies within (Gargs, FP]. |
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394 Label L_ok, L_bad; |
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395 BLOCK_COMMENT("verify_argslot {"); |
3839 | 396 __ cmp_and_brx_short(Gargs, argslot_reg, Assembler::greaterUnsigned, Assembler::pn, L_bad); |
3442
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397 __ add(FP, STACK_BIAS, temp_reg); // STACK_BIAS is zero on !_LP64 |
3839 | 398 __ cmp_and_brx_short(argslot_reg, temp_reg, Assembler::lessEqualUnsigned, Assembler::pt, L_ok); |
3442
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399 __ BIND(L_bad); |
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400 __ stop(error_message); |
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|
401 __ BIND(L_ok); |
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402 BLOCK_COMMENT("} verify_argslot"); |
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|
403 } |
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|
404 |
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405 void MethodHandles::verify_argslots(MacroAssembler* _masm, |
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406 RegisterOrConstant arg_slots, |
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|
407 Register arg_slot_base_reg, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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408 Register temp_reg, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
409 Register temp2_reg, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
410 bool negate_argslots, |
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|
411 const char* error_message) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
412 // Verify that [argslot..argslot+size) lies within (Gargs, FP). |
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413 Label L_ok, L_bad; |
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|
414 BLOCK_COMMENT("verify_argslots {"); |
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|
415 if (negate_argslots) { |
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|
416 if (arg_slots.is_constant()) { |
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|
417 arg_slots = -1 * arg_slots.as_constant(); |
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|
418 } else { |
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|
419 __ neg(arg_slots.as_register(), temp_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
420 arg_slots = temp_reg; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
421 } |
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|
422 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
423 __ add(arg_slot_base_reg, __ argument_offset(arg_slots, temp_reg), temp_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
424 __ add(FP, STACK_BIAS, temp2_reg); // STACK_BIAS is zero on !_LP64 |
3839 | 425 __ cmp_and_brx_short(temp_reg, temp2_reg, Assembler::greaterUnsigned, Assembler::pn, L_bad); |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
426 // 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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parents:
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diff
changeset
|
427 __ add(arg_slot_base_reg, BytesPerWord, temp_reg); |
3839 | 428 __ cmp_and_brx_short(Gargs, temp_reg, Assembler::lessEqualUnsigned, Assembler::pt, L_ok); |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
429 __ BIND(L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
430 __ stop(error_message); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
431 __ BIND(L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
432 BLOCK_COMMENT("} verify_argslots"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
433 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
434 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
435 // 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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diff
changeset
|
436 // If (and only if) arg_slots is a assembly-time constant, also allow it to be zero. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
437 void MethodHandles::verify_stack_move(MacroAssembler* _masm, |
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parents:
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diff
changeset
|
438 RegisterOrConstant arg_slots, int direction) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
439 enum { UNREASONABLE_STACK_MOVE = 256 * 4 }; // limit of 255 arguments |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
440 bool allow_zero = arg_slots.is_constant(); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
441 if (direction == 0) { direction = +1; allow_zero = true; } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
442 assert(stack_move_unit() == -1, "else add extra checks here"); |
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diff
changeset
|
443 if (arg_slots.is_register()) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
444 Label L_ok, L_bad; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
445 BLOCK_COMMENT("verify_stack_move {"); |
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parents:
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diff
changeset
|
446 // __ 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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changeset
|
447 // __ 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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parents:
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diff
changeset
|
448 // __ delayed()->nop(); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
449 __ 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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parents:
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diff
changeset
|
450 if (direction > 0) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
451 __ br(allow_zero ? Assembler::less : Assembler::lessEqual, false, Assembler::pn, L_bad); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
452 __ delayed()->nop(); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
453 __ cmp(arg_slots.as_register(), (int32_t) UNREASONABLE_STACK_MOVE); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
454 __ br(Assembler::less, false, Assembler::pn, L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
455 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
456 } else { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
457 __ br(allow_zero ? Assembler::greater : Assembler::greaterEqual, false, Assembler::pn, L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
458 __ delayed()->nop(); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
459 __ cmp(arg_slots.as_register(), (int32_t) -UNREASONABLE_STACK_MOVE); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
460 __ br(Assembler::greater, false, Assembler::pn, L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
461 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
462 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
463 __ BIND(L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
464 if (direction > 0) |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
465 __ stop("assert arg_slots > 0"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
466 else |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
467 __ stop("assert arg_slots < 0"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
468 __ BIND(L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
469 BLOCK_COMMENT("} verify_stack_move"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
470 } else { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
471 intptr_t size = arg_slots.as_constant(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
472 if (direction < 0) size = -size; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
473 assert(size >= 0, "correct direction of constant move"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
474 assert(size < UNREASONABLE_STACK_MOVE, "reasonable size of constant move"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
475 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
476 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
477 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
478 void MethodHandles::verify_klass(MacroAssembler* _masm, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
479 Register obj_reg, KlassHandle klass, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
480 Register temp_reg, Register temp2_reg, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
481 const char* error_message) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
482 oop* klass_addr = klass.raw_value(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
483 assert(klass_addr >= SystemDictionaryHandles::Object_klass().raw_value() && |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
484 klass_addr <= SystemDictionaryHandles::Long_klass().raw_value(), |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
485 "must be one of the SystemDictionaryHandles"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
486 Label L_ok, L_bad; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
487 BLOCK_COMMENT("verify_klass {"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
488 __ verify_oop(obj_reg); |
3839 | 489 __ br_null_short(obj_reg, Assembler::pn, L_bad); |
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
490 __ load_klass(obj_reg, temp_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
491 __ set(ExternalAddress(klass_addr), temp2_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
492 __ ld_ptr(Address(temp2_reg, 0), temp2_reg); |
3839 | 493 __ cmp_and_brx_short(temp_reg, temp2_reg, Assembler::equal, Assembler::pt, L_ok); |
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
494 intptr_t super_check_offset = klass->super_check_offset(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
495 __ 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
|
496 __ set(ExternalAddress(klass_addr), temp2_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
497 __ ld_ptr(Address(temp2_reg, 0), temp2_reg); |
3839 | 498 __ cmp_and_brx_short(temp_reg, temp2_reg, Assembler::equal, Assembler::pt, L_ok); |
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
499 __ BIND(L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
500 __ stop(error_message); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
501 __ BIND(L_ok); |
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 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
504 #endif // ASSERT |
710 | 505 |
3808
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
506 |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
507 void MethodHandles::jump_from_method_handle(MacroAssembler* _masm, Register method, Register target, Register temp) { |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
508 assert(method == G5_method, "interpreter calling convention"); |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
509 __ verify_oop(method); |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
510 __ ld_ptr(G5_method, in_bytes(methodOopDesc::from_interpreted_offset()), target); |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
511 if (JvmtiExport::can_post_interpreter_events()) { |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
512 // JVMTI events, such as single-stepping, are implemented partly by avoiding running |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
513 // compiled code in threads for which the event is enabled. Check here for |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
514 // interp_only_mode if these events CAN be enabled. |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
515 __ verify_thread(); |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
516 Label skip_compiled_code; |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
517 |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
518 const Address interp_only(G2_thread, JavaThread::interp_only_mode_offset()); |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
519 __ ld(interp_only, temp); |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
520 __ tst(temp); |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
521 __ br(Assembler::notZero, true, Assembler::pn, skip_compiled_code); |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
522 __ delayed()->ld_ptr(G5_method, in_bytes(methodOopDesc::interpreter_entry_offset()), target); |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
523 __ bind(skip_compiled_code); |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
524 } |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
525 __ jmp(target, 0); |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
526 __ delayed()->nop(); |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
527 } |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
528 |
341a57af9b0a
6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents:
3451
diff
changeset
|
529 |
710 | 530 // Code generation |
531 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
|
532 // I5_savedSP/O5_savedSP: sender SP (must preserve) |
1503 | 533 // G4 (Gargs): incoming argument list (must preserve) |
1916
e62345fd6a46
6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents:
1911
diff
changeset
|
534 // G5_method: invoke methodOop |
1503 | 535 // 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
|
536 // 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
|
537 Register O0_mtype = O0; |
1503 | 538 Register O1_scratch = O1; |
1911
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
539 Register O2_scratch = O2; |
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
540 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
|
541 Register O4_argslot = O4; |
1911
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
542 Register O4_argbase = O4; |
1503 | 543 |
544 // emit WrongMethodType path first, to enable back-branch from main path | |
545 Label wrong_method_type; | |
546 __ bind(wrong_method_type); | |
1911
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
547 Label invoke_generic_slow_path; |
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
548 assert(methodOopDesc::intrinsic_id_size_in_bytes() == sizeof(u1), "");; |
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
549 __ 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
|
550 __ cmp(O1_scratch, (int) vmIntrinsics::_invokeExact); |
fff777a71346
6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents:
1901
diff
changeset
|
551 __ brx(Assembler::notEqual, false, Assembler::pt, invoke_generic_slow_path); |
fff777a71346
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552 __ delayed()->nop(); |
1916
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553 __ mov(O0_mtype, G5_method_type); // required by throw_WrongMethodType |
3451
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554 __ mov(G3_method_handle, G3_method_handle); // already in this register |
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555 // O0 will be filled in with JavaThread in stub |
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556 __ jump_to(AddressLiteral(StubRoutines::throw_WrongMethodTypeException_entry()), O3_scratch); |
1503 | 557 __ delayed()->nop(); |
558 | |
559 // here's where control starts out: | |
560 __ align(CodeEntryAlignment); | |
561 address entry_point = __ pc(); | |
562 | |
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563 // fetch the MethodType from the method handle |
3442
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564 // FIXME: Interpreter should transmit pre-popped stack pointer, to locate base of arg list. |
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565 // This would simplify several touchy bits of code. |
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566 // See 6984712: JSR 292 method handle calls need a clean argument base pointer |
1503 | 567 { |
568 Register tem = G5_method; | |
569 for (jint* pchase = methodOopDesc::method_type_offsets_chain(); (*pchase) != -1; pchase++) { | |
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570 __ ld_ptr(Address(tem, *pchase), O0_mtype); |
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571 tem = O0_mtype; // in case there is another indirection |
1503 | 572 } |
573 } | |
574 | |
575 // given the MethodType, find out where the MH argument is buried | |
2357
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576 __ load_heap_oop(Address(O0_mtype, __ delayed_value(java_lang_invoke_MethodType::form_offset_in_bytes, O1_scratch)), O4_argslot); |
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577 __ ldsw( Address(O4_argslot, __ delayed_value(java_lang_invoke_MethodTypeForm::vmslots_offset_in_bytes, O1_scratch)), O4_argslot); |
3442
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578 __ add(__ argument_address(O4_argslot, O4_argslot, 1), O4_argbase); |
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579 // Note: argument_address uses its input as a scratch register! |
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580 Address mh_receiver_slot_addr(O4_argbase, -Interpreter::stackElementSize); |
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581 __ ld_ptr(mh_receiver_slot_addr, G3_method_handle); |
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582 |
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583 trace_method_handle(_masm, "invokeExact"); |
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584 |
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585 __ check_method_handle_type(O0_mtype, G3_method_handle, O1_scratch, wrong_method_type); |
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586 |
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587 // Nobody uses the MH receiver slot after this. Make sure. |
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588 DEBUG_ONLY(__ set((int32_t) 0x999999, O1_scratch); __ st_ptr(O1_scratch, mh_receiver_slot_addr)); |
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589 |
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590 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
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591 |
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592 // for invokeGeneric (only), apply argument and result conversions on the fly |
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593 __ bind(invoke_generic_slow_path); |
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594 #ifdef ASSERT |
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595 if (VerifyMethodHandles) { |
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596 Label L; |
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597 __ ldub(Address(G5_method, methodOopDesc::intrinsic_id_offset_in_bytes()), O1_scratch); |
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598 __ cmp(O1_scratch, (int) vmIntrinsics::_invokeGeneric); |
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599 __ brx(Assembler::equal, false, Assembler::pt, L); |
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|
600 __ delayed()->nop(); |
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601 __ stop("bad methodOop::intrinsic_id"); |
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602 __ bind(L); |
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603 } |
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604 #endif //ASSERT |
1503 | 605 |
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606 // make room on the stack for another pointer: |
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607 insert_arg_slots(_masm, 2 * stack_move_unit(), O4_argbase, O1_scratch, O2_scratch, O3_scratch); |
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608 // load up an adapter from the calling type (Java weaves this) |
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609 Register O2_form = O2_scratch; |
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610 Register O3_adapter = O3_scratch; |
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611 __ load_heap_oop(Address(O0_mtype, __ delayed_value(java_lang_invoke_MethodType::form_offset_in_bytes, O1_scratch)), O2_form); |
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612 __ load_heap_oop(Address(O2_form, __ delayed_value(java_lang_invoke_MethodTypeForm::genericInvoker_offset_in_bytes, O1_scratch)), O3_adapter); |
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613 __ verify_oop(O3_adapter); |
1911
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614 __ st_ptr(O3_adapter, Address(O4_argbase, 1 * Interpreter::stackElementSize)); |
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615 // As a trusted first argument, pass the type being called, so the adapter knows |
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616 // the actual types of the arguments and return values. |
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617 // (Generic invokers are shared among form-families of method-type.) |
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618 __ st_ptr(O0_mtype, Address(O4_argbase, 0 * Interpreter::stackElementSize)); |
1911
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619 // FIXME: assert that O3_adapter is of the right method-type. |
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620 __ mov(O3_adapter, G3_method_handle); |
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621 trace_method_handle(_masm, "invokeGeneric"); |
1503 | 622 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
623 | |
624 return entry_point; | |
710 | 625 } |
626 | |
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627 // Workaround for C++ overloading nastiness on '0' for RegisterOrConstant. |
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|
628 static RegisterOrConstant constant(int value) { |
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629 return RegisterOrConstant(value); |
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630 } |
1503 | 631 |
3442
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632 static void load_vmargslot(MacroAssembler* _masm, Address vmargslot_addr, Register result) { |
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633 __ ldsw(vmargslot_addr, result); |
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|
634 } |
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|
635 |
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|
636 static RegisterOrConstant adjust_SP_and_Gargs_down_by_slots(MacroAssembler* _masm, |
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637 RegisterOrConstant arg_slots, |
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|
638 Register temp_reg, Register temp2_reg) { |
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|
639 // Keep the stack pointer 2*wordSize aligned. |
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|
640 const int TwoWordAlignmentMask = right_n_bits(LogBytesPerWord + 1); |
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641 if (arg_slots.is_constant()) { |
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642 const int offset = arg_slots.as_constant() << LogBytesPerWord; |
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643 const int masked_offset = round_to(offset, 2 * BytesPerWord); |
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644 const int masked_offset2 = (offset + 1*BytesPerWord) & ~TwoWordAlignmentMask; |
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645 assert(masked_offset == masked_offset2, "must agree"); |
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|
646 __ sub(Gargs, offset, Gargs); |
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|
647 __ sub(SP, masked_offset, SP ); |
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|
648 return offset; |
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|
649 } else { |
1503 | 650 #ifdef ASSERT |
3442
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651 { |
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652 Label L_ok; |
3839 | 653 __ cmp_and_br_short(arg_slots.as_register(), 0, Assembler::greaterEqual, Assembler::pt, L_ok); |
3442
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|
654 __ stop("negative arg_slots"); |
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|
655 __ bind(L_ok); |
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|
656 } |
1503 | 657 #endif |
3442
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658 __ sll_ptr(arg_slots.as_register(), LogBytesPerWord, temp_reg); |
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659 __ add( temp_reg, 1*BytesPerWord, temp2_reg); |
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660 __ andn(temp2_reg, TwoWordAlignmentMask, temp2_reg); |
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661 __ sub(Gargs, temp_reg, Gargs); |
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662 __ sub(SP, temp2_reg, SP ); |
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|
663 return temp_reg; |
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|
664 } |
1503 | 665 } |
666 | |
3442
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667 static RegisterOrConstant adjust_SP_and_Gargs_up_by_slots(MacroAssembler* _masm, |
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668 RegisterOrConstant arg_slots, |
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669 Register temp_reg, Register temp2_reg) { |
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|
670 // Keep the stack pointer 2*wordSize aligned. |
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671 const int TwoWordAlignmentMask = right_n_bits(LogBytesPerWord + 1); |
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672 if (arg_slots.is_constant()) { |
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673 const int offset = arg_slots.as_constant() << LogBytesPerWord; |
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674 const int masked_offset = offset & ~TwoWordAlignmentMask; |
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|
675 __ add(Gargs, offset, Gargs); |
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diff
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|
676 __ add(SP, masked_offset, SP ); |
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677 return offset; |
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|
678 } else { |
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|
679 __ sll_ptr(arg_slots.as_register(), LogBytesPerWord, temp_reg); |
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680 __ andn(temp_reg, TwoWordAlignmentMask, temp2_reg); |
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681 __ add(Gargs, temp_reg, Gargs); |
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682 __ add(SP, temp2_reg, SP ); |
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|
683 return temp_reg; |
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|
684 } |
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|
685 } |
1503 | 686 |
687 // Helper to insert argument slots into the stack. | |
3442
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688 // arg_slots must be a multiple of stack_move_unit() and < 0 |
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689 // argslot_reg is decremented to point to the new (shifted) location of the argslot |
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diff
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690 // But, temp_reg ends up holding the original value of argslot_reg. |
1503 | 691 void MethodHandles::insert_arg_slots(MacroAssembler* _masm, |
692 RegisterOrConstant arg_slots, | |
693 Register argslot_reg, | |
694 Register temp_reg, Register temp2_reg, Register temp3_reg) { | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
695 // allow constant zero |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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696 if (arg_slots.is_constant() && arg_slots.as_constant() == 0) |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
697 return; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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698 |
1503 | 699 assert_different_registers(argslot_reg, temp_reg, temp2_reg, temp3_reg, |
700 (!arg_slots.is_register() ? Gargs : arg_slots.as_register())); | |
701 | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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702 BLOCK_COMMENT("insert_arg_slots {"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
703 if (VerifyMethodHandles) |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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704 verify_argslot(_masm, argslot_reg, temp_reg, "insertion point must fall within current frame"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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705 if (VerifyMethodHandles) |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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706 verify_stack_move(_masm, arg_slots, -1); |
1503 | 707 |
708 // Make space on the stack for the inserted argument(s). | |
709 // Then pull down everything shallower than argslot_reg. | |
710 // The stacked return address gets pulled down with everything else. | |
711 // That is, copy [sp, argslot) downward by -size words. In pseudo-code: | |
712 // sp -= size; | |
713 // for (temp = sp + size; temp < argslot; temp++) | |
714 // temp[-size] = temp[0] | |
715 // argslot -= size; | |
716 | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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717 // 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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718 RegisterOrConstant offset = 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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719 __ sub(Gargs, offset, temp_reg); // source pointer for copy |
1503 | 720 |
721 { | |
722 Label loop; | |
1849
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723 __ BIND(loop); |
1503 | 724 // pull one word down each time through the loop |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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725 __ ld_ptr( Address(temp_reg, 0 ), temp2_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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726 __ st_ptr(temp2_reg, Address(temp_reg, offset) ); |
1503 | 727 __ add(temp_reg, wordSize, temp_reg); |
3839 | 728 __ cmp_and_brx_short(temp_reg, argslot_reg, Assembler::lessUnsigned, Assembler::pt, loop); |
1503 | 729 } |
730 | |
731 // Now move the argslot down, to point to the opened-up space. | |
732 __ add(argslot_reg, offset, argslot_reg); | |
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733 BLOCK_COMMENT("} insert_arg_slots"); |
1503 | 734 } |
735 | |
736 | |
737 // Helper to remove argument slots from the stack. | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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738 // arg_slots must be a multiple of stack_move_unit() and > 0 |
1503 | 739 void MethodHandles::remove_arg_slots(MacroAssembler* _masm, |
740 RegisterOrConstant arg_slots, | |
741 Register argslot_reg, | |
742 Register temp_reg, Register temp2_reg, Register temp3_reg) { | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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743 // allow constant zero |
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744 if (arg_slots.is_constant() && arg_slots.as_constant() == 0) |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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745 return; |
1503 | 746 assert_different_registers(argslot_reg, temp_reg, temp2_reg, temp3_reg, |
747 (!arg_slots.is_register() ? Gargs : arg_slots.as_register())); | |
748 | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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749 BLOCK_COMMENT("remove_arg_slots {"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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750 if (VerifyMethodHandles) |
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751 verify_argslots(_masm, arg_slots, argslot_reg, temp_reg, temp2_reg, false, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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752 "deleted argument(s) must fall within current frame"); |
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753 if (VerifyMethodHandles) |
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754 verify_stack_move(_masm, arg_slots, +1); |
1503 | 755 |
756 // Pull up everything shallower than argslot. | |
757 // Then remove the excess space on the stack. | |
758 // The stacked return address gets pulled up with everything else. | |
759 // That is, copy [sp, argslot) upward by size words. In pseudo-code: | |
760 // for (temp = argslot-1; temp >= sp; --temp) | |
761 // temp[size] = temp[0] | |
762 // argslot += size; | |
763 // sp += size; | |
3442
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764 |
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765 RegisterOrConstant offset = __ regcon_sll_ptr(arg_slots, LogBytesPerWord, temp3_reg); |
1503 | 766 __ 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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767 |
1503 | 768 { |
3442
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changeset
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769 Label L_loop; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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770 __ BIND(L_loop); |
1503 | 771 // pull one word up each time through the loop |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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772 __ ld_ptr( Address(temp_reg, 0 ), temp2_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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773 __ st_ptr(temp2_reg, Address(temp_reg, offset) ); |
1503 | 774 __ sub(temp_reg, wordSize, temp_reg); |
3839 | 775 __ cmp_and_brx_short(temp_reg, Gargs, Assembler::greaterEqualUnsigned, Assembler::pt, L_loop); |
1503 | 776 } |
777 | |
778 // And adjust the argslot address to point at the deletion point. | |
779 __ add(argslot_reg, offset, argslot_reg); | |
780 | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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781 // We don't need the offset at this point anymore, just adjust SP and Gargs. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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782 (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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783 |
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784 BLOCK_COMMENT("} remove_arg_slots"); |
1503 | 785 } |
786 | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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787 // Helper to copy argument slots to the top of the stack. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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788 // The sequence starts with argslot_reg and is counted by slot_count |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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789 // slot_count must be a multiple of stack_move_unit() and >= 0 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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790 // This function blows the temps but does not change argslot_reg. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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791 void MethodHandles::push_arg_slots(MacroAssembler* _masm, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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792 Register argslot_reg, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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793 RegisterOrConstant slot_count, |
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794 Register temp_reg, Register temp2_reg) { |
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795 // allow constant zero |
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796 if (slot_count.is_constant() && slot_count.as_constant() == 0) |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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797 return; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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798 assert_different_registers(argslot_reg, temp_reg, temp2_reg, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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799 (!slot_count.is_register() ? Gargs : slot_count.as_register()), |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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800 SP); |
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801 assert(Interpreter::stackElementSize == wordSize, "else change this code"); |
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802 |
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803 BLOCK_COMMENT("push_arg_slots {"); |
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804 if (VerifyMethodHandles) |
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805 verify_stack_move(_masm, slot_count, 0); |
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806 |
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807 RegisterOrConstant offset = adjust_SP_and_Gargs_down_by_slots(_masm, slot_count, temp2_reg, temp_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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808 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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809 if (slot_count.is_constant()) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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810 for (int i = slot_count.as_constant() - 1; i >= 0; i--) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
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811 __ ld_ptr( Address(argslot_reg, i * wordSize), temp_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
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812 __ st_ptr(temp_reg, Address(Gargs, i * wordSize)); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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813 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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814 } else { |
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815 Label L_plural, L_loop, L_break; |
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816 // Emit code to dynamically check for the common cases, zero and one slot. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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817 __ cmp(slot_count.as_register(), (int32_t) 1); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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818 __ br(Assembler::greater, false, Assembler::pn, L_plural); |
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819 __ delayed()->nop(); |
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820 __ br(Assembler::less, false, Assembler::pn, L_break); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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821 __ delayed()->nop(); |
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822 __ ld_ptr( Address(argslot_reg, 0), temp_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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823 __ st_ptr(temp_reg, Address(Gargs, 0)); |
3839 | 824 __ ba_short(L_break); |
3442
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825 __ BIND(L_plural); |
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826 |
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827 // Loop for 2 or more: |
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828 // top = &argslot[slot_count] |
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829 // while (top > argslot) *(--Gargs) = *(--top) |
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830 Register top_reg = temp_reg; |
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831 __ add(argslot_reg, offset, top_reg); |
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832 __ add(Gargs, offset, Gargs ); // move back up again so we can go down |
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833 __ BIND(L_loop); |
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834 __ sub(top_reg, wordSize, top_reg); |
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835 __ sub(Gargs, wordSize, Gargs ); |
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836 __ ld_ptr( Address(top_reg, 0), temp2_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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837 __ st_ptr(temp2_reg, Address(Gargs, 0)); |
3839 | 838 __ cmp_and_brx_short(top_reg, argslot_reg, Assembler::greaterUnsigned, Assembler::pt, L_loop); |
3442
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|
839 __ BIND(L_break); |
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840 } |
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|
841 BLOCK_COMMENT("} push_arg_slots"); |
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842 } |
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|
843 |
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844 // in-place movement; no change to Gargs |
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|
845 // blows temp_reg, temp2_reg |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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846 void MethodHandles::move_arg_slots_up(MacroAssembler* _masm, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
847 Register bottom_reg, // invariant |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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848 Address top_addr, // can use temp_reg |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
849 RegisterOrConstant positive_distance_in_slots, // destroyed if register |
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|
850 Register temp_reg, Register temp2_reg) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
851 assert_different_registers(bottom_reg, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
852 temp_reg, temp2_reg, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
853 positive_distance_in_slots.register_or_noreg()); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
854 BLOCK_COMMENT("move_arg_slots_up {"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
855 Label L_loop, L_break; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
856 Register top_reg = temp_reg; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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857 if (!top_addr.is_same_address(Address(top_reg, 0))) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
858 __ add(top_addr, top_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
859 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
860 // Detect empty (or broken) loop: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
861 #ifdef ASSERT |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
862 if (VerifyMethodHandles) { |
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diff
changeset
|
863 // Verify that &bottom < &top (non-empty interval) |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
864 Label L_ok, L_bad; |
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changeset
|
865 if (positive_distance_in_slots.is_register()) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
866 __ cmp(positive_distance_in_slots.as_register(), (int32_t) 0); |
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changeset
|
867 __ br(Assembler::lessEqual, false, Assembler::pn, L_bad); |
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changeset
|
868 __ delayed()->nop(); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
869 } |
3839 | 870 __ cmp_and_brx_short(bottom_reg, top_reg, Assembler::lessUnsigned, Assembler::pt, L_ok); |
3442
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|
871 __ BIND(L_bad); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
872 __ stop("valid bounds (copy up)"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
873 __ BIND(L_ok); |
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changeset
|
874 } |
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diff
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|
875 #endif |
3839 | 876 __ cmp_and_brx_short(bottom_reg, top_reg, Assembler::greaterEqualUnsigned, Assembler::pn, L_break); |
4137
04b9a2566eec
Merge with hsx23/hotspot.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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changeset
|
877 >> |
3839 | 878 __ cmp_and_brx_short(top_reg, bottom_reg, Assembler::greaterUnsigned, Assembler::pt, L_loop); |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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879 assert(Interpreter::stackElementSize == wordSize, "else change loop"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
880 __ BIND(L_break); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
881 BLOCK_COMMENT("} move_arg_slots_up"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
882 } |
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changeset
|
883 |
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changeset
|
884 // in-place movement; no change to rsp |
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|
885 // blows temp_reg, temp2_reg |
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changeset
|
886 void MethodHandles::move_arg_slots_down(MacroAssembler* _masm, |
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diff
changeset
|
887 Address bottom_addr, // can use temp_reg |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
888 Register top_reg, // invariant |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
889 RegisterOrConstant negative_distance_in_slots, // destroyed if register |
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|
890 Register temp_reg, Register temp2_reg) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
891 assert_different_registers(top_reg, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
892 negative_distance_in_slots.register_or_noreg(), |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
893 temp_reg, temp2_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
894 BLOCK_COMMENT("move_arg_slots_down {"); |
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diff
changeset
|
895 Label L_loop, L_break; |
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diff
changeset
|
896 Register bottom_reg = temp_reg; |
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3371
diff
changeset
|
897 if (!bottom_addr.is_same_address(Address(bottom_reg, 0))) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
898 __ add(bottom_addr, bottom_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
899 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
900 // Detect empty (or broken) loop: |
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diff
changeset
|
901 #ifdef ASSERT |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
902 assert(!negative_distance_in_slots.is_constant() || negative_distance_in_slots.as_constant() < 0, ""); |
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3371
diff
changeset
|
903 if (VerifyMethodHandles) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
904 // Verify that &bottom < &top (non-empty interval) |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
905 Label L_ok, L_bad; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
906 if (negative_distance_in_slots.is_register()) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
907 __ cmp(negative_distance_in_slots.as_register(), (int32_t) 0); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
908 __ 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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3371
diff
changeset
|
909 __ delayed()->nop(); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
910 } |
3839 | 911 __ cmp_and_brx_short(bottom_reg, top_reg, Assembler::lessUnsigned, Assembler::pt, L_ok); |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
912 __ BIND(L_bad); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
913 __ stop("valid bounds (copy down)"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
914 __ BIND(L_ok); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
915 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
916 #endif |
3839 | 917 __ cmp_and_brx_short(bottom_reg, top_reg, Assembler::greaterEqualUnsigned, Assembler::pn, L_break); |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
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changeset
|
918 // work bottom up to top, copying contiguous data downwards |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
919 // In pseudo-code: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
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changeset
|
920 // while (bottom < top) *(bottom - distance) = *(bottom + 0), bottom++; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
921 RegisterOrConstant offset = __ argument_offset(negative_distance_in_slots, negative_distance_in_slots.register_or_noreg()); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
922 __ BIND(L_loop); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
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changeset
|
923 __ ld_ptr( Address(bottom_reg, 0 ), temp2_reg); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
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changeset
|
924 __ st_ptr(temp2_reg, Address(bottom_reg, offset) ); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
925 __ add(bottom_reg, wordSize, bottom_reg); |
3839 | 926 __ cmp_and_brx_short(bottom_reg, top_reg, Assembler::lessUnsigned, Assembler::pt, L_loop); |
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
927 assert(Interpreter::stackElementSize == wordSize, "else change loop"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
928 __ BIND(L_break); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
929 BLOCK_COMMENT("} move_arg_slots_down"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
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3371
diff
changeset
|
930 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
931 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
932 // Copy from a field or array element to a stacked argument slot. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
933 // 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
|
934 void MethodHandles::move_typed_arg(MacroAssembler* _masm, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
935 BasicType type, bool is_element, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
936 Address value_src, Address slot_dest, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
937 Register temp_reg) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
938 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
|
939 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
|
940 if (type == T_OBJECT || type == T_ARRAY) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
941 __ load_heap_oop(value_src, temp_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
942 __ verify_oop(temp_reg); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
943 __ st_ptr(temp_reg, slot_dest); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
944 } else if (type != T_VOID) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
945 int arg_size = type2aelembytes(type); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
946 bool arg_is_signed = is_signed_subword_type(type); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
947 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
|
948 __ 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
|
949 __ store_sized_value(temp_reg, slot_dest, slot_size ); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
950 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
951 BLOCK_COMMENT("} move_typed_arg"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
952 } |
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 // Cf. TemplateInterpreterGenerator::generate_return_entry_for and |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
955 // InterpreterMacroAssembler::save_return_value |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
956 void MethodHandles::move_return_value(MacroAssembler* _masm, BasicType type, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
957 Address return_slot) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
958 BLOCK_COMMENT("move_return_value {"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
959 // 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
|
960 if (type == T_VOID) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
961 // nothing to do |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
962 } else if (type == T_OBJECT) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
963 __ verify_oop(O0); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
964 __ st_ptr(O0, return_slot); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
965 } else if (type == T_INT || is_subword_type(type)) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
966 int type_size = type2aelembytes(T_INT); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
967 __ store_sized_value(O0, return_slot, type_size); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
968 } else if (type == T_LONG) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
969 // store the value by parts |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
970 // Note: We assume longs are continguous (if misaligned) on the interpreter stack. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
971 #if !defined(_LP64) && defined(COMPILER2) |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
972 __ stx(G1, return_slot); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
973 #else |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
974 #ifdef _LP64 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
975 __ stx(O0, return_slot); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
976 #else |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
977 if (return_slot.has_disp()) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
978 // The displacement is a constant |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
979 __ st(O0, return_slot); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
980 __ st(O1, return_slot.plus_disp(Interpreter::stackElementSize)); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
981 } else { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
982 __ std(O0, return_slot); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
983 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
984 #endif |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
985 #endif |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
986 } else if (type == T_FLOAT) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
987 __ stf(FloatRegisterImpl::S, Ftos_f, return_slot); |
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988 } else if (type == T_DOUBLE) { |
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989 __ stf(FloatRegisterImpl::D, Ftos_f, return_slot); |
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990 } else { |
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991 ShouldNotReachHere(); |
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992 } |
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993 BLOCK_COMMENT("} move_return_value"); |
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994 } |
1503 | 995 |
996 #ifndef PRODUCT | |
997 extern "C" void print_method_handle(oop mh); | |
998 void trace_method_handle_stub(const char* adaptername, | |
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999 oopDesc* mh, |
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1000 intptr_t* saved_sp) { |
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1001 bool has_mh = (strstr(adaptername, "return/") == NULL); // return adapters don't have mh |
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1002 tty->print_cr("MH %s mh="INTPTR_FORMAT " saved_sp=" INTPTR_FORMAT, adaptername, (intptr_t) mh, saved_sp); |
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1003 if (has_mh) |
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1004 print_method_handle(mh); |
1503 | 1005 } |
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1006 void MethodHandles::trace_method_handle(MacroAssembler* _masm, const char* adaptername) { |
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1007 if (!TraceMethodHandles) return; |
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1008 BLOCK_COMMENT("trace_method_handle {"); |
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1009 // save: Gargs, O5_savedSP |
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1010 __ save_frame(16); |
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1011 __ set((intptr_t) adaptername, O0); |
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1012 __ mov(G3_method_handle, O1); |
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1013 __ mov(I5_savedSP, O2); |
1849
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1014 __ mov(G3_method_handle, L3); |
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1015 __ mov(Gargs, L4); |
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1016 __ mov(G5_method_type, L5); |
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1017 __ call_VM_leaf(L7, CAST_FROM_FN_PTR(address, trace_method_handle_stub)); |
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1018 |
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1019 __ mov(L3, G3_method_handle); |
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1020 __ mov(L4, Gargs); |
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1021 __ mov(L5, G5_method_type); |
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1022 __ restore(); |
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1023 BLOCK_COMMENT("} trace_method_handle"); |
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1024 } |
1503 | 1025 #endif // PRODUCT |
1026 | |
1507
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1027 // which conversion op types are implemented here? |
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1028 int MethodHandles::adapter_conversion_ops_supported_mask() { |
2357
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1029 return ((1<<java_lang_invoke_AdapterMethodHandle::OP_RETYPE_ONLY) |
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1030 |(1<<java_lang_invoke_AdapterMethodHandle::OP_RETYPE_RAW) |
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1031 |(1<<java_lang_invoke_AdapterMethodHandle::OP_CHECK_CAST) |
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1032 |(1<<java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_PRIM) |
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1033 |(1<<java_lang_invoke_AdapterMethodHandle::OP_REF_TO_PRIM) |
3442
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1034 // OP_PRIM_TO_REF is below... |
2357
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1035 |(1<<java_lang_invoke_AdapterMethodHandle::OP_SWAP_ARGS) |
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1036 |(1<<java_lang_invoke_AdapterMethodHandle::OP_ROT_ARGS) |
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1037 |(1<<java_lang_invoke_AdapterMethodHandle::OP_DUP_ARGS) |
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1038 |(1<<java_lang_invoke_AdapterMethodHandle::OP_DROP_ARGS) |
3442
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1039 // OP_COLLECT_ARGS is below... |
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1040 |(1<<java_lang_invoke_AdapterMethodHandle::OP_SPREAD_ARGS) |
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1041 |(!UseRicochetFrames ? 0 : |
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1042 java_lang_invoke_MethodTypeForm::vmlayout_offset_in_bytes() <= 0 ? 0 : |
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1043 ((1<<java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF) |
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1044 |(1<<java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS) |
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1045 |(1<<java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS) |
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1046 ) |
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1047 ) |
1507
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1048 ); |
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1049 } |
1503 | 1050 |
1051 //------------------------------------------------------------------------------ | |
1052 // MethodHandles::generate_method_handle_stub | |
1053 // | |
710 | 1054 // Generate an "entry" field for a method handle. |
1055 // This determines how the method handle will respond to calls. | |
2116
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1056 void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHandles::EntryKind ek) { |
3442
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1057 MethodHandles::EntryKind ek_orig = ek_original_kind(ek); |
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1058 |
1503 | 1059 // Here is the register state during an interpreted call, |
1060 // as set up by generate_method_handle_interpreter_entry(): | |
1061 // - G5: garbage temp (was MethodHandle.invoke methodOop, unused) | |
1062 // - G3: receiver method handle | |
1063 // - O5_savedSP: sender SP (must preserve) | |
1064 | |
3442
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1065 const Register O0_scratch = O0; |
2088
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1066 const Register O1_scratch = O1; |
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1067 const Register O2_scratch = O2; |
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1068 const Register O3_scratch = O3; |
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1069 const Register O4_scratch = O4; |
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1070 const Register G5_scratch = G5; |
2088
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1071 |
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1072 // Often used names: |
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1073 const Register O0_argslot = O0; |
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1074 |
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1075 // Argument registers for _raise_exception: |
2088
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1076 const Register O0_code = O0; |
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1077 const Register O1_actual = O1; |
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1078 const Register O2_required = O2; |
1503 | 1079 |
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1080 guarantee(java_lang_invoke_MethodHandle::vmentry_offset_in_bytes() != 0, "must have offsets"); |
1503 | 1081 |
1082 // Some handy addresses: | |
2357
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1083 Address G3_mh_vmtarget( G3_method_handle, java_lang_invoke_MethodHandle::vmtarget_offset_in_bytes()); |
1503 | 1084 |
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1085 Address G3_dmh_vmindex( G3_method_handle, java_lang_invoke_DirectMethodHandle::vmindex_offset_in_bytes()); |
1503 | 1086 |
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1087 Address G3_bmh_vmargslot( G3_method_handle, java_lang_invoke_BoundMethodHandle::vmargslot_offset_in_bytes()); |
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1088 Address G3_bmh_argument( G3_method_handle, java_lang_invoke_BoundMethodHandle::argument_offset_in_bytes()); |
1503 | 1089 |
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1090 Address G3_amh_vmargslot( G3_method_handle, java_lang_invoke_AdapterMethodHandle::vmargslot_offset_in_bytes()); |
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1091 Address G3_amh_argument ( G3_method_handle, java_lang_invoke_AdapterMethodHandle::argument_offset_in_bytes()); |
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1092 Address G3_amh_conversion(G3_method_handle, java_lang_invoke_AdapterMethodHandle::conversion_offset_in_bytes()); |
1503 | 1093 |
1094 const int java_mirror_offset = klassOopDesc::klass_part_offset_in_bytes() + Klass::java_mirror_offset_in_bytes(); | |
1095 | |
1096 if (have_entry(ek)) { | |
1097 __ nop(); // empty stubs make SG sick | |
1098 return; | |
1099 } | |
1100 | |
1101 address interp_entry = __ pc(); | |
1102 | |
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1103 trace_method_handle(_masm, entry_name(ek)); |
1503 | 1104 |
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1105 BLOCK_COMMENT(err_msg("Entry %s {", entry_name(ek))); |
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1106 |
1503 | 1107 switch ((int) ek) { |
1108 case _raise_exception: | |
1109 { | |
1110 // Not a real MH entry, but rather shared code for raising an | |
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1111 // exception. For sharing purposes the arguments are passed into registers |
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1112 // and then placed in the intepreter calling convention here. |
2116
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1113 assert(raise_exception_method(), "must be set"); |
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1114 assert(raise_exception_method()->from_compiled_entry(), "method must be linked"); |
1503 | 1115 |
1116 __ set(AddressLiteral((address) &_raise_exception_method), G5_method); | |
1117 __ ld_ptr(Address(G5_method, 0), G5_method); | |
1118 | |
2088
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1119 const int jobject_oop_offset = 0; |
1503 | 1120 __ ld_ptr(Address(G5_method, jobject_oop_offset), G5_method); |
1121 | |
3808
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1122 adjust_SP_and_Gargs_down_by_slots(_masm, 3, noreg, noreg); |
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1123 |
3848 | 1124 __ st (O0_code, __ argument_address(constant(2), noreg, 0)); |
3808
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1125 __ st_ptr(O1_actual, __ argument_address(constant(1), noreg, 0)); |
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1126 __ st_ptr(O2_required, __ argument_address(constant(0), noreg, 0)); |
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1127 jump_from_method_handle(_masm, G5_method, O1_scratch, O2_scratch); |
1503 | 1128 } |
1129 break; | |
1130 | |
1131 case _invokestatic_mh: | |
1132 case _invokespecial_mh: | |
1133 { | |
1846 | 1134 __ load_heap_oop(G3_mh_vmtarget, G5_method); // target is a methodOop |
1503 | 1135 // Same as TemplateTable::invokestatic or invokespecial, |
1136 // minus the CP setup and profiling: | |
1137 if (ek == _invokespecial_mh) { | |
1138 // Must load & check the first argument before entering the target method. | |
1139 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch); | |
3442
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1140 __ ld_ptr(__ argument_address(O0_argslot, O0_argslot, -1), G3_method_handle); |
1503 | 1141 __ null_check(G3_method_handle); |
1142 __ verify_oop(G3_method_handle); | |
1143 } | |
3808
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1144 jump_from_method_handle(_masm, G5_method, O1_scratch, O2_scratch); |
1503 | 1145 } |
1146 break; | |
1147 | |
1148 case _invokevirtual_mh: | |
1149 { | |
1150 // Same as TemplateTable::invokevirtual, | |
1151 // minus the CP setup and profiling: | |
1152 | |
1153 // Pick out the vtable index and receiver offset from the MH, | |
1154 // and then we can discard it: | |
3442
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1155 Register O2_index = O2_scratch; |
1503 | 1156 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch); |
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1157 __ ldsw(G3_dmh_vmindex, O2_index); |
1503 | 1158 // Note: The verifier allows us to ignore G3_mh_vmtarget. |
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1159 __ ld_ptr(__ argument_address(O0_argslot, O0_argslot, -1), G3_method_handle); |
1503 | 1160 __ null_check(G3_method_handle, oopDesc::klass_offset_in_bytes()); |
1161 | |
1162 // Get receiver klass: | |
1163 Register O0_klass = O0_argslot; | |
1164 __ load_klass(G3_method_handle, O0_klass); | |
1165 __ verify_oop(O0_klass); | |
1166 | |
1167 // Get target methodOop & entry point: | |
1168 const int base = instanceKlass::vtable_start_offset() * wordSize; | |
1169 assert(vtableEntry::size() * wordSize == wordSize, "adjust the scaling in the code below"); | |
1170 | |
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1171 __ sll_ptr(O2_index, LogBytesPerWord, O2_index); |
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1172 __ add(O0_klass, O2_index, O0_klass); |
1503 | 1173 Address vtable_entry_addr(O0_klass, base + vtableEntry::method_offset_in_bytes()); |
1174 __ ld_ptr(vtable_entry_addr, G5_method); | |
1175 | |
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1176 jump_from_method_handle(_masm, G5_method, O1_scratch, O2_scratch); |
1503 | 1177 } |
1178 break; | |
1179 | |
1180 case _invokeinterface_mh: | |
1181 { | |
1182 // Same as TemplateTable::invokeinterface, | |
1183 // minus the CP setup and profiling: | |
1184 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch); | |
1185 Register O1_intf = O1_scratch; | |
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1186 Register G5_index = G5_scratch; |
1846 | 1187 __ load_heap_oop(G3_mh_vmtarget, O1_intf); |
1503 | 1188 __ ldsw(G3_dmh_vmindex, G5_index); |
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1189 __ ld_ptr(__ argument_address(O0_argslot, O0_argslot, -1), G3_method_handle); |
1503 | 1190 __ null_check(G3_method_handle, oopDesc::klass_offset_in_bytes()); |
1191 | |
1192 // Get receiver klass: | |
1193 Register O0_klass = O0_argslot; | |
1194 __ load_klass(G3_method_handle, O0_klass); | |
1195 __ verify_oop(O0_klass); | |
1196 | |
1197 // Get interface: | |
1198 Label no_such_interface; | |
1199 __ verify_oop(O1_intf); | |
1200 __ lookup_interface_method(O0_klass, O1_intf, | |
1201 // Note: next two args must be the same: | |
1202 G5_index, G5_method, | |
1203 O2_scratch, | |
1204 O3_scratch, | |
1205 no_such_interface); | |
1206 | |
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1207 jump_from_method_handle(_masm, G5_method, O1_scratch, O2_scratch); |
1503 | 1208 |
1209 __ bind(no_such_interface); | |
1210 // Throw an exception. | |
1211 // For historical reasons, it will be IncompatibleClassChangeError. | |
1212 __ unimplemented("not tested yet"); | |
2088
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1213 __ ld_ptr(Address(O1_intf, java_mirror_offset), O2_required); // required interface |
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1214 __ mov( O0_klass, O1_actual); // bad receiver |
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1215 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch); |
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1216 __ delayed()->mov(Bytecodes::_invokeinterface, O0_code); // who is complaining? |
1503 | 1217 } |
1218 break; | |
1219 | |
1220 case _bound_ref_mh: | |
1221 case _bound_int_mh: | |
1222 case _bound_long_mh: | |
1223 case _bound_ref_direct_mh: | |
1224 case _bound_int_direct_mh: | |
1225 case _bound_long_direct_mh: | |
1226 { | |
1227 const bool direct_to_method = (ek >= _bound_ref_direct_mh); | |
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1228 BasicType arg_type = ek_bound_mh_arg_type(ek); |
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1229 int arg_slots = type2size[arg_type]; |
1503 | 1230 |
1231 // Make room for the new argument: | |
3442
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1232 load_vmargslot(_masm, G3_bmh_vmargslot, O0_argslot); |
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1233 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot); |
1503 | 1234 |
3442
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1235 insert_arg_slots(_masm, arg_slots * stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch); |
1503 | 1236 |
1237 // Store bound argument into the new stack slot: | |
1846 | 1238 __ load_heap_oop(G3_bmh_argument, O1_scratch); |
1503 | 1239 if (arg_type == T_OBJECT) { |
1240 __ st_ptr(O1_scratch, Address(O0_argslot, 0)); | |
1241 } else { | |
1242 Address prim_value_addr(O1_scratch, java_lang_boxing_object::value_offset_in_bytes(arg_type)); | |
3442
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1243 move_typed_arg(_masm, arg_type, false, |
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1244 prim_value_addr, |
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1245 Address(O0_argslot, 0), |
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1246 O2_scratch); // must be an even register for !_LP64 long moves (uses O2/O3) |
1503 | 1247 } |
1248 | |
1249 if (direct_to_method) { | |
1846 | 1250 __ load_heap_oop(G3_mh_vmtarget, G5_method); // target is a methodOop |
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1251 jump_from_method_handle(_masm, G5_method, O1_scratch, O2_scratch); |
1503 | 1252 } else { |
1846 | 1253 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); // target is a methodOop |
1503 | 1254 __ verify_oop(G3_method_handle); |
1255 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); | |
1256 } | |
1257 } | |
1258 break; | |
1259 | |
3905
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1260 case _adapter_opt_profiling: |
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1261 if (java_lang_invoke_CountingMethodHandle::vmcount_offset_in_bytes() != 0) { |
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1262 Address G3_mh_vmcount(G3_method_handle, java_lang_invoke_CountingMethodHandle::vmcount_offset_in_bytes()); |
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1263 __ ld(G3_mh_vmcount, O1_scratch); |
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1264 __ add(O1_scratch, 1, O1_scratch); |
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1265 __ st(O1_scratch, G3_mh_vmcount); |
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1266 } |
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1267 // fall through |
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1268 |
1503 | 1269 case _adapter_retype_only: |
1270 case _adapter_retype_raw: | |
1271 // Immediately jump to the next MH layer: | |
1846 | 1272 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
3442
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1273 __ verify_oop(G3_method_handle); |
1503 | 1274 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1275 // This is OK when all parameter types widen. | |
1276 // It is also OK when a return type narrows. | |
1277 break; | |
1278 | |
1279 case _adapter_check_cast: | |
1280 { | |
1281 // Check a reference argument before jumping to the next layer of MH: | |
3442
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1282 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot); |
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1283 Address vmarg = __ argument_address(O0_argslot, O0_argslot); |
1503 | 1284 |
1285 // What class are we casting to? | |
3442
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1286 Register O1_klass = O1_scratch; // Interesting AMH data. |
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1287 __ load_heap_oop(G3_amh_argument, O1_klass); // This is a Class object! |
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1288 load_klass_from_Class(_masm, O1_klass, O2_scratch, O3_scratch); |
1503 | 1289 |
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1290 Label L_done; |
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1291 __ ld_ptr(vmarg, O2_scratch); |
3839 | 1292 __ br_null_short(O2_scratch, Assembler::pn, L_done); // No cast if null. |
3442
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|
1293 __ load_klass(O2_scratch, O2_scratch); |
1503 | 1294 |
1295 // Live at this point: | |
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1296 // - O0_argslot : argslot index in vmarg; may be required in the failing path |
3442
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1297 // - O1_klass : klass required by the target method |
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1298 // - O2_scratch : argument klass to test |
1503 | 1299 // - G3_method_handle: adapter method handle |
3442
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1300 __ check_klass_subtype(O2_scratch, O1_klass, O3_scratch, O4_scratch, L_done); |
1503 | 1301 |
1302 // If we get here, the type check failed! | |
2088
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|
1303 __ load_heap_oop(G3_amh_argument, O2_required); // required class |
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|
1304 __ ld_ptr( vmarg, O1_actual); // bad object |
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|
1305 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch); |
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|
1306 __ delayed()->mov(Bytecodes::_checkcast, O0_code); // who is complaining? |
1503 | 1307 |
3442
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1308 __ BIND(L_done); |
1503 | 1309 // Get the new MH: |
1846 | 1310 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 1311 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1312 } | |
1313 break; | |
1314 | |
1315 case _adapter_prim_to_prim: | |
1316 case _adapter_ref_to_prim: | |
1317 // Handled completely by optimized cases. | |
1318 __ stop("init_AdapterMethodHandle should not issue this"); | |
1319 break; | |
1320 | |
1321 case _adapter_opt_i2i: // optimized subcase of adapt_prim_to_prim | |
1322 //case _adapter_opt_f2i: // optimized subcase of adapt_prim_to_prim | |
1323 case _adapter_opt_l2i: // optimized subcase of adapt_prim_to_prim | |
1324 case _adapter_opt_unboxi: // optimized subcase of adapt_ref_to_prim | |
1325 { | |
1326 // Perform an in-place conversion to int or an int subword. | |
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1327 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot); |
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changeset
|
1328 Address value; |
3442
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1329 Address vmarg; |
1503 | 1330 bool value_left_justified = false; |
1331 | |
1332 switch (ek) { | |
1333 case _adapter_opt_i2i: | |
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1334 value = vmarg = __ argument_address(O0_argslot, O0_argslot); |
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1335 break; |
1503 | 1336 case _adapter_opt_l2i: |
1901
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1337 { |
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1338 // just delete the extra slot |
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|
1339 #ifdef _LP64 |
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1340 // In V9, longs are given 2 64-bit slots in the interpreter, but the |
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|
1341 // data is passed in only 1 slot. |
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1342 // Keep the second slot. |
3442
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1343 __ add(__ argument_address(O0_argslot, O0_argslot, -1), O0_argslot); |
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1344 remove_arg_slots(_masm, -stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch); |
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1345 value = Address(O0_argslot, 4); // Get least-significant 32-bit of 64-bit value. |
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1346 vmarg = Address(O0_argslot, Interpreter::stackElementSize); |
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changeset
|
1347 #else |
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|
1348 // Keep the first slot. |
3442
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|
1349 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot); |
1901
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|
1350 remove_arg_slots(_masm, -stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch); |
2009
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|
1351 value = Address(O0_argslot, 0); |
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|
1352 vmarg = value; |
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1353 #endif |
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1354 } |
1503 | 1355 break; |
1356 case _adapter_opt_unboxi: | |
1357 { | |
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1358 vmarg = __ argument_address(O0_argslot, O0_argslot); |
1503 | 1359 // Load the value up from the heap. |
1360 __ ld_ptr(vmarg, O1_scratch); | |
1361 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_INT); | |
1362 #ifdef ASSERT | |
1363 for (int bt = T_BOOLEAN; bt < T_INT; bt++) { | |
1364 if (is_subword_type(BasicType(bt))) | |
1365 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(BasicType(bt)), ""); | |
1366 } | |
1367 #endif | |
1368 __ null_check(O1_scratch, value_offset); | |
1369 value = Address(O1_scratch, value_offset); | |
1370 #ifdef _BIG_ENDIAN | |
1371 // Values stored in objects are packed. | |
1372 value_left_justified = true; | |
1373 #endif | |
1374 } | |
1375 break; | |
1376 default: | |
1377 ShouldNotReachHere(); | |
1378 } | |
1379 | |
1380 // This check is required on _BIG_ENDIAN | |
3442
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1381 Register G5_vminfo = G5_scratch; |
1503 | 1382 __ ldsw(G3_amh_conversion, G5_vminfo); |
1383 assert(CONV_VMINFO_SHIFT == 0, "preshifted"); | |
1384 | |
1385 // Original 32-bit vmdata word must be of this form: | |
1386 // | MBZ:6 | signBitCount:8 | srcDstTypes:8 | conversionOp:8 | | |
1387 __ lduw(value, O1_scratch); | |
1388 if (!value_left_justified) | |
1389 __ sll(O1_scratch, G5_vminfo, O1_scratch); | |
1390 Label zero_extend, done; | |
1391 __ btst(CONV_VMINFO_SIGN_FLAG, G5_vminfo); | |
1392 __ br(Assembler::zero, false, Assembler::pn, zero_extend); | |
1393 __ delayed()->nop(); | |
1394 | |
1395 // this path is taken for int->byte, int->short | |
1396 __ sra(O1_scratch, G5_vminfo, O1_scratch); | |
3839 | 1397 __ ba_short(done); |
1503 | 1398 |
1399 __ bind(zero_extend); | |
1400 // this is taken for int->char | |
1401 __ srl(O1_scratch, G5_vminfo, O1_scratch); | |
1402 | |
1403 __ bind(done); | |
1404 __ st(O1_scratch, vmarg); | |
1405 | |
1406 // Get the new MH: | |
1846 | 1407 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 1408 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1409 } | |
1410 break; | |
1411 | |
1412 case _adapter_opt_i2l: // optimized subcase of adapt_prim_to_prim | |
1413 case _adapter_opt_unboxl: // optimized subcase of adapt_ref_to_prim | |
1414 { | |
1415 // Perform an in-place int-to-long or ref-to-long conversion. | |
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1416 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot); |
1503 | 1417 |
1418 // On big-endian machine we duplicate the slot and store the MSW | |
1419 // in the first slot. | |
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1420 __ add(__ argument_address(O0_argslot, O0_argslot, 1), O0_argslot); |
1503 | 1421 |
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1422 insert_arg_slots(_masm, stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch); |
1503 | 1423 |
1424 Address arg_lsw(O0_argslot, 0); | |
1506 | 1425 Address arg_msw(O0_argslot, -Interpreter::stackElementSize); |
1503 | 1426 |
1427 switch (ek) { | |
1428 case _adapter_opt_i2l: | |
1429 { | |
2382
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1430 #ifdef _LP64 |
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1431 __ ldsw(arg_lsw, O2_scratch); // Load LSW sign-extended |
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1432 #else |
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1433 __ ldsw(arg_lsw, O3_scratch); // Load LSW sign-extended |
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1434 __ srlx(O3_scratch, BitsPerInt, O2_scratch); // Move MSW value to lower 32-bits for std |
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1435 #endif |
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1436 __ st_long(O2_scratch, arg_msw); // Uses O2/O3 on !_LP64 |
1503 | 1437 } |
1438 break; | |
1439 case _adapter_opt_unboxl: | |
1440 { | |
1441 // Load the value up from the heap. | |
1442 __ ld_ptr(arg_lsw, O1_scratch); | |
1443 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_LONG); | |
1444 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE), ""); | |
1445 __ null_check(O1_scratch, value_offset); | |
1446 __ ld_long(Address(O1_scratch, value_offset), O2_scratch); // Uses O2/O3 on !_LP64 | |
1447 __ st_long(O2_scratch, arg_msw); | |
1448 } | |
1449 break; | |
1450 default: | |
1451 ShouldNotReachHere(); | |
1452 } | |
1453 | |
1846 | 1454 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 1455 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1456 } | |
1457 break; | |
1458 | |
1459 case _adapter_opt_f2d: // optimized subcase of adapt_prim_to_prim | |
1460 case _adapter_opt_d2f: // optimized subcase of adapt_prim_to_prim | |
1461 { | |
1462 // perform an in-place floating primitive conversion | |
1463 __ unimplemented(entry_name(ek)); | |
1464 } | |
1465 break; | |
1466 | |
1467 case _adapter_prim_to_ref: | |
1468 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
1469 break; | |
1470 | |
1471 case _adapter_swap_args: | |
1472 case _adapter_rot_args: | |
1473 // handled completely by optimized cases | |
1474 __ stop("init_AdapterMethodHandle should not issue this"); | |
1475 break; | |
1476 | |
1477 case _adapter_opt_swap_1: | |
1478 case _adapter_opt_swap_2: | |
1479 case _adapter_opt_rot_1_up: | |
1480 case _adapter_opt_rot_1_down: | |
1481 case _adapter_opt_rot_2_up: | |
1482 case _adapter_opt_rot_2_down: | |
1483 { | |
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1484 int swap_slots = ek_adapter_opt_swap_slots(ek); |
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1485 int rotate = ek_adapter_opt_swap_mode(ek); |
1503 | 1486 |
1487 // 'argslot' is the position of the first argument to swap. | |
3442
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1488 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot); |
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1489 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot); |
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1490 if (VerifyMethodHandles) |
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1491 verify_argslot(_masm, O0_argslot, O2_scratch, "swap point must fall within current frame"); |
1503 | 1492 |
1493 // 'vminfo' is the second. | |
1494 Register O1_destslot = O1_scratch; | |
3442
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1495 load_conversion_vminfo(_masm, G3_amh_conversion, O1_destslot); |
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1496 __ add(__ argument_address(O1_destslot, O1_destslot), O1_destslot); |
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1497 if (VerifyMethodHandles) |
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1498 verify_argslot(_masm, O1_destslot, O2_scratch, "swap point must fall within current frame"); |
1503 | 1499 |
3442
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1500 assert(Interpreter::stackElementSize == wordSize, "else rethink use of wordSize here"); |
1503 | 1501 if (!rotate) { |
3442
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1502 // simple swap |
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1503 for (int i = 0; i < swap_slots; i++) { |
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1504 __ ld_ptr( Address(O0_argslot, i * wordSize), O2_scratch); |
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1505 __ ld_ptr( Address(O1_destslot, i * wordSize), O3_scratch); |
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1506 __ st_ptr(O3_scratch, Address(O0_argslot, i * wordSize)); |
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1507 __ st_ptr(O2_scratch, Address(O1_destslot, i * wordSize)); |
1503 | 1508 } |
1509 } else { | |
3442
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1510 // A rotate is actually pair of moves, with an "odd slot" (or pair) |
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1511 // changing place with a series of other slots. |
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1512 // First, push the "odd slot", which is going to get overwritten |
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1513 switch (swap_slots) { |
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1514 case 2 : __ ld_ptr(Address(O0_argslot, 1 * wordSize), O4_scratch); // fall-thru |
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1515 case 1 : __ ld_ptr(Address(O0_argslot, 0 * wordSize), O3_scratch); break; |
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1516 default: ShouldNotReachHere(); |
1503 | 1517 } |
1518 if (rotate > 0) { | |
3442
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1519 // Here is rotate > 0: |
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1520 // (low mem) (high mem) |
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1521 // | dest: more_slots... | arg: odd_slot :arg+1 | |
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1522 // => |
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1523 // | dest: odd_slot | dest+1: more_slots... :arg+1 | |
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1524 // work argslot down to destslot, copying contiguous data upwards |
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1525 // pseudo-code: |
1503 | 1526 // argslot = src_addr - swap_bytes |
1527 // destslot = dest_addr | |
3442
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1528 // while (argslot >= destslot) *(argslot + swap_bytes) = *(argslot + 0), argslot--; |
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1529 move_arg_slots_up(_masm, |
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1530 O1_destslot, |
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1531 Address(O0_argslot, 0), |
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1532 swap_slots, |
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1533 O0_argslot, O2_scratch); |
1503 | 1534 } else { |
3442
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1535 // Here is the other direction, rotate < 0: |
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1536 // (low mem) (high mem) |
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1537 // | arg: odd_slot | arg+1: more_slots... :dest+1 | |
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1538 // => |
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1539 // | arg: more_slots... | dest: odd_slot :dest+1 | |
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1540 // work argslot up to destslot, copying contiguous data downwards |
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1541 // pseudo-code: |
1503 | 1542 // argslot = src_addr + swap_bytes |
1543 // destslot = dest_addr | |
3442
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1544 // while (argslot <= destslot) *(argslot - swap_bytes) = *(argslot + 0), argslot++; |
3449
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1545 // dest_slot denotes an exclusive upper limit |
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1546 int limit_bias = OP_ROT_ARGS_DOWN_LIMIT_BIAS; |
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1547 if (limit_bias != 0) |
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1548 __ add(O1_destslot, - limit_bias * wordSize, O1_destslot); |
3442
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1549 move_arg_slots_down(_masm, |
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1550 Address(O0_argslot, swap_slots * wordSize), |
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1551 O1_destslot, |
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1552 -swap_slots, |
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1553 O0_argslot, O2_scratch); |
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1554 |
3449
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1555 __ sub(O1_destslot, swap_slots * wordSize, O1_destslot); |
1503 | 1556 } |
3442
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1557 // pop the original first chunk into the destination slot, now free |
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1558 switch (swap_slots) { |
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1559 case 2 : __ st_ptr(O4_scratch, Address(O1_destslot, 1 * wordSize)); // fall-thru |
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1560 case 1 : __ st_ptr(O3_scratch, Address(O1_destslot, 0 * wordSize)); break; |
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1561 default: ShouldNotReachHere(); |
1503 | 1562 } |
1563 } | |
1564 | |
1846 | 1565 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 1566 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1567 } | |
1568 break; | |
1569 | |
1570 case _adapter_dup_args: | |
1571 { | |
1572 // 'argslot' is the position of the first argument to duplicate. | |
3442
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1573 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot); |
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1574 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot); |
1503 | 1575 |
1576 // 'stack_move' is negative number of words to duplicate. | |
3442
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1577 Register O1_stack_move = O1_scratch; |
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1578 load_stack_move(_masm, G3_amh_conversion, O1_stack_move); |
1503 | 1579 |
3442
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1580 if (VerifyMethodHandles) { |
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1581 verify_argslots(_masm, O1_stack_move, O0_argslot, O2_scratch, O3_scratch, true, |
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1582 "copied argument(s) must fall within current frame"); |
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1583 } |
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1584 |
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1585 // insert location is always the bottom of the argument list: |
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1586 __ neg(O1_stack_move); |
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1587 push_arg_slots(_masm, O0_argslot, O1_stack_move, O2_scratch, O3_scratch); |
1503 | 1588 |
1846 | 1589 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 1590 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1591 } | |
1592 break; | |
1593 | |
1594 case _adapter_drop_args: | |
1595 { | |
1596 // 'argslot' is the position of the first argument to nuke. | |
3442
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1597 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot); |
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1598 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot); |
1503 | 1599 |
1600 // 'stack_move' is number of words to drop. | |
3442
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|
1601 Register O1_stack_move = O1_scratch; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1602 load_stack_move(_masm, G3_amh_conversion, O1_stack_move); |
1503 | 1603 |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1604 remove_arg_slots(_masm, O1_stack_move, O0_argslot, O2_scratch, O3_scratch, O4_scratch); |
1503 | 1605 |
1846 | 1606 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 1607 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1608 } | |
1609 break; | |
1610 | |
1611 case _adapter_collect_args: | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1612 case _adapter_fold_args: |
1503 | 1613 case _adapter_spread_args: |
1614 // Handled completely by optimized cases. | |
1615 __ stop("init_AdapterMethodHandle should not issue this"); | |
1616 break; | |
1617 | |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1618 case _adapter_opt_collect_ref: |
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|
1619 case _adapter_opt_collect_int: |
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|
1620 case _adapter_opt_collect_long: |
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|
1621 case _adapter_opt_collect_float: |
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|
1622 case _adapter_opt_collect_double: |
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|
1623 case _adapter_opt_collect_void: |
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1624 case _adapter_opt_collect_0_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1625 case _adapter_opt_collect_1_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1626 case _adapter_opt_collect_2_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1627 case _adapter_opt_collect_3_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1628 case _adapter_opt_collect_4_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1629 case _adapter_opt_collect_5_ref: |
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|
1630 case _adapter_opt_filter_S0_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1631 case _adapter_opt_filter_S1_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1632 case _adapter_opt_filter_S2_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1633 case _adapter_opt_filter_S3_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1634 case _adapter_opt_filter_S4_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1635 case _adapter_opt_filter_S5_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1636 case _adapter_opt_collect_2_S0_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1637 case _adapter_opt_collect_2_S1_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1638 case _adapter_opt_collect_2_S2_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1639 case _adapter_opt_collect_2_S3_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1640 case _adapter_opt_collect_2_S4_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1641 case _adapter_opt_collect_2_S5_ref: |
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|
1642 case _adapter_opt_fold_ref: |
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|
1643 case _adapter_opt_fold_int: |
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1644 case _adapter_opt_fold_long: |
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|
1645 case _adapter_opt_fold_float: |
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changeset
|
1646 case _adapter_opt_fold_double: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1647 case _adapter_opt_fold_void: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1648 case _adapter_opt_fold_1_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1649 case _adapter_opt_fold_2_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1650 case _adapter_opt_fold_3_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1651 case _adapter_opt_fold_4_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1652 case _adapter_opt_fold_5_ref: |
1503 | 1653 { |
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1654 // 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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|
1655 // 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
|
1656 // RSI/R13 has the caller's exact stack pointer, which we must also preserve. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1657 // 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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changeset
|
1658 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1659 // Relevant AMH fields: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1660 // amh.vmargslot: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1661 // points to the trailing edge of the arguments |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1662 // 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
|
1663 // 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
|
1664 // amh.argument: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1665 // 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
|
1666 // amh.vmtarget: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1667 // final destination MH, on return value, etc. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1668 // amh.conversion.dest: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1669 // tells what is the type of the return value |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1670 // (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
|
1671 // amh.conversion.vminfo: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1672 // points to the trailing edge of the return value |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1673 // when the vmtarget is to be called; this is |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1674 // equal to vmargslot + (retained ? |collect| : 0) |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1675 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1676 // Pass 0 or more argument slots to the recursive target. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1677 int collect_count_constant = ek_adapter_opt_collect_count(ek); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1678 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1679 // The collected arguments are copied from the saved argument list: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1680 int collect_slot_constant = ek_adapter_opt_collect_slot(ek); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1681 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1682 assert(ek_orig == _adapter_collect_args || |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1683 ek_orig == _adapter_fold_args, ""); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1684 bool retain_original_args = (ek_orig == _adapter_fold_args); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1685 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1686 // The return value is replaced (or inserted) at the 'vminfo' argslot. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1687 // Sometimes we can compute this statically. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1688 int dest_slot_constant = -1; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1689 if (!retain_original_args) |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1690 dest_slot_constant = collect_slot_constant; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1691 else if (collect_slot_constant >= 0 && collect_count_constant >= 0) |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1692 // We are preserving all the arguments, and the return value is prepended, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1693 // so the return slot is to the left (above) the |collect| sequence. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1694 dest_slot_constant = collect_slot_constant + collect_count_constant; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1695 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1696 // Replace all those slots by the result of the recursive call. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1697 // 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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diff
changeset
|
1698 // 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
|
1699 BasicType dest = ek_adapter_opt_collect_type(ek); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1700 assert(dest == type2wfield[dest], "dest is a stack slot type"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1701 int dest_count = type2size[dest]; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1702 assert(dest_count == 1 || dest_count == 2 || (dest_count == 0 && dest == T_VOID), "dest has a size"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1703 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1704 // Choose a return continuation. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1705 EntryKind ek_ret = _adapter_opt_return_any; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1706 if (dest != T_CONFLICT && OptimizeMethodHandles) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1707 switch (dest) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1708 case T_INT : ek_ret = _adapter_opt_return_int; break; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
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|
1709 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
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|
1710 case T_FLOAT : ek_ret = _adapter_opt_return_float; break; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1711 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
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|
1712 case T_OBJECT : ek_ret = _adapter_opt_return_ref; break; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
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|
1713 case T_VOID : ek_ret = _adapter_opt_return_void; break; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1714 default : ShouldNotReachHere(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1715 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1716 if (dest == T_OBJECT && dest_slot_constant >= 0) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1717 EntryKind ek_try = EntryKind(_adapter_opt_return_S0_ref + dest_slot_constant); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1718 if (ek_try <= _adapter_opt_return_LAST && |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1719 ek_adapter_opt_return_slot(ek_try) == dest_slot_constant) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1720 ek_ret = ek_try; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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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 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1723 assert(ek_adapter_opt_return_type(ek_ret) == dest, ""); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1724 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1725 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1726 // Already pushed: ... keep1 | collect | keep2 | |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1727 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
1728 // 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
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diff
changeset
|
1729 { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
1730 int extra_slots = 0; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1731 if (retain_original_args) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1732 extra_slots = dest_count; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1733 } else if (collect_count_constant == -1) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
1734 extra_slots = dest_count; // collect_count might be zero; be generous |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1735 } else if (dest_count > collect_count_constant) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1736 extra_slots = (dest_count - collect_count_constant); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1737 } else { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1738 // 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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diff
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|
1739 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1740 if (extra_slots != 0) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1741 __ sub(SP, round_to(extra_slots, 2) * Interpreter::stackElementSize, SP); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1742 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1743 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1744 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1745 // Set up Ricochet Frame. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1746 __ mov(SP, O5_savedSP); // record SP for the callee |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1747 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1748 // 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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|
1749 __ save_frame(2); // Note: we need to add 2 slots since frame::memory_parameter_word_sp_offset is 23. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1750 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1751 // Note: Gargs is live throughout the following, until we make our recursive call. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1752 // And the RF saves a copy in L4_saved_args_base. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1753 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1754 RicochetFrame::enter_ricochet_frame(_masm, G3_method_handle, Gargs, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1755 entry(ek_ret)->from_interpreted_entry()); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1756 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1757 // Compute argument base: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1758 // 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
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|
1759 __ add(FP, STACK_BIAS - (1 * Interpreter::stackElementSize), Gargs); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1760 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1761 // Now pushed: ... keep1 | collect | keep2 | extra | [RF] |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1762 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1763 #ifdef ASSERT |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1764 if (VerifyMethodHandles && dest != T_CONFLICT) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1765 BLOCK_COMMENT("verify AMH.conv.dest {"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1766 extract_conversion_dest_type(_masm, RicochetFrame::L5_conversion, O1_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1767 Label L_dest_ok; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1768 __ cmp(O1_scratch, (int) dest); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1769 __ br(Assembler::equal, false, Assembler::pt, L_dest_ok); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1770 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1771 if (dest == T_INT) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
1772 for (int bt = T_BOOLEAN; bt < T_INT; bt++) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1773 if (is_subword_type(BasicType(bt))) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1774 __ cmp(O1_scratch, (int) bt); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1775 __ br(Assembler::equal, false, Assembler::pt, L_dest_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1776 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1777 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1778 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1779 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1780 __ stop("bad dest in AMH.conv"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1781 __ BIND(L_dest_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1782 BLOCK_COMMENT("} verify AMH.conv.dest"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1783 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1784 #endif //ASSERT |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1785 |
f7d55ea6ee56
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diff
changeset
|
1786 // Find out where the original copy of the recursive argument sequence begins. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1787 Register O0_coll = O0_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1788 { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1789 RegisterOrConstant collect_slot = collect_slot_constant; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1790 if (collect_slot_constant == -1) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1791 load_vmargslot(_masm, G3_amh_vmargslot, O1_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1792 collect_slot = O1_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1793 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1794 // collect_slot might be 0, but we need the move anyway. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1795 __ add(RicochetFrame::L4_saved_args_base, __ argument_offset(collect_slot, collect_slot.register_or_noreg()), O0_coll); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1796 // O0_coll now points at the trailing edge of |collect| and leading edge of |keep2| |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1797 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1798 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1799 // Replace the old AMH with the recursive MH. (No going back now.) |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1800 // 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
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diff
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|
1801 // such as Integer.valueOf or Long.valueOf. In the case of a filter |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1802 // or collect call, it will take one or more arguments, transform them, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1803 // and return some result, to store back into argument_base[vminfo]. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1804 __ load_heap_oop(G3_amh_argument, G3_method_handle); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1805 if (VerifyMethodHandles) verify_method_handle(_masm, G3_method_handle, O1_scratch, O2_scratch); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1806 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1807 // Calculate |collect|, the number of arguments we are collecting. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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1808 Register O1_collect_count = O1_scratch; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1809 RegisterOrConstant collect_count; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1810 if (collect_count_constant < 0) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1811 __ load_method_handle_vmslots(O1_collect_count, G3_method_handle, O2_scratch); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1812 collect_count = O1_collect_count; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1813 } else { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1814 collect_count = collect_count_constant; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1815 #ifdef ASSERT |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
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|
1816 if (VerifyMethodHandles) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1817 BLOCK_COMMENT("verify collect_count_constant {"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1818 __ load_method_handle_vmslots(O3_scratch, G3_method_handle, O2_scratch); |
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diff
changeset
|
1819 Label L_count_ok; |
3839 | 1820 __ cmp_and_br_short(O3_scratch, collect_count_constant, Assembler::equal, Assembler::pt, L_count_ok); |
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1821 __ stop("bad vminfo in AMH.conv"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1822 __ BIND(L_count_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1823 BLOCK_COMMENT("} verify collect_count_constant"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1824 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1825 #endif //ASSERT |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1826 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1827 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1828 // copy |collect| slots directly to TOS: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1829 push_arg_slots(_masm, O0_coll, collect_count, O2_scratch, O3_scratch); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1830 // Now pushed: ... keep1 | collect | keep2 | RF... | collect | |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1831 // O0_coll still points at the trailing edge of |collect| and leading edge of |keep2| |
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|
1832 |
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1833 // If necessary, adjust the saved arguments to make room for the eventual return value. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1834 // Normal adjustment: ... keep1 | +dest+ | -collect- | keep2 | RF... | collect | |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1835 // If retaining args: ... keep1 | +dest+ | collect | keep2 | RF... | collect | |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1836 // In the non-retaining case, this might move keep2 either up or down. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1837 // We don't have to copy the whole | RF... collect | complex, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1838 // but we must adjust RF.saved_args_base. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1839 // Also, from now on, we will forget about the original copy of |collect|. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1840 // If we are retaining it, we will treat it as part of |keep2|. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1841 // For clarity we will define |keep3| = |collect|keep2| or |keep2|. |
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diff
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|
1842 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1843 BLOCK_COMMENT("adjust trailing arguments {"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
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3371
diff
changeset
|
1844 // Compare the sizes of |+dest+| and |-collect-|, which are opposed opening and closing movements. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
1845 int open_count = dest_count; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1846 RegisterOrConstant close_count = collect_count_constant; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1847 Register O1_close_count = O1_collect_count; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
1848 if (retain_original_args) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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3371
diff
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|
1849 close_count = constant(0); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
1850 } else if (collect_count_constant == -1) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
1851 close_count = O1_collect_count; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
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|
1852 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1853 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
1854 // How many slots need moving? This is simply dest_slot (0 => no |keep3|). |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
1855 RegisterOrConstant keep3_count; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
1856 Register O2_keep3_count = O2_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
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|
1857 if (dest_slot_constant < 0) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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1858 extract_conversion_vminfo(_masm, RicochetFrame::L5_conversion, O2_keep3_count); |
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|
1859 keep3_count = O2_keep3_count; |
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1860 } else { |
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1861 keep3_count = dest_slot_constant; |
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|
1862 #ifdef ASSERT |
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1863 if (VerifyMethodHandles && dest_slot_constant < 0) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1864 BLOCK_COMMENT("verify dest_slot_constant {"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1865 extract_conversion_vminfo(_masm, RicochetFrame::L5_conversion, O3_scratch); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1866 Label L_vminfo_ok; |
3839 | 1867 __ cmp_and_br_short(O3_scratch, dest_slot_constant, Assembler::equal, Assembler::pt, L_vminfo_ok); |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1868 __ stop("bad vminfo in AMH.conv"); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1869 __ BIND(L_vminfo_ok); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1870 BLOCK_COMMENT("} verify dest_slot_constant"); |
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|
1871 } |
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|
1872 #endif //ASSERT |
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1873 } |
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|
1874 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1875 // tasks remaining: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1876 bool move_keep3 = (!keep3_count.is_constant() || keep3_count.as_constant() != 0); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1877 bool stomp_dest = (NOT_DEBUG(dest == T_OBJECT) DEBUG_ONLY(dest_count != 0)); |
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1878 bool fix_arg_base = (!close_count.is_constant() || open_count != close_count.as_constant()); |
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|
1879 |
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1880 // Old and new argument locations (based at slot 0). |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1881 // Net shift (&new_argv - &old_argv) is (close_count - open_count). |
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1882 bool zero_open_count = (open_count == 0); // remember this bit of info |
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1883 if (move_keep3 && fix_arg_base) { |
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1884 // It will be easier to have everything in one register: |
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1885 if (close_count.is_register()) { |
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1886 // Deduct open_count from close_count register to get a clean +/- value. |
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1887 __ sub(close_count.as_register(), open_count, close_count.as_register()); |
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1888 } else { |
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1889 close_count = close_count.as_constant() - open_count; |
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1890 } |
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1891 open_count = 0; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1892 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1893 Register L4_old_argv = RicochetFrame::L4_saved_args_base; |
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1894 Register O3_new_argv = O3_scratch; |
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diff
changeset
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1895 if (fix_arg_base) { |
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1896 __ add(L4_old_argv, __ argument_offset(close_count, O4_scratch), O3_new_argv, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1897 -(open_count * Interpreter::stackElementSize)); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1898 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1899 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1900 // First decide if any actual data are to be moved. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1901 // We can skip if (a) |keep3| is empty, or (b) the argument list size didn't change. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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1902 // (As it happens, all movements involve an argument list size change.) |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1903 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1904 // If there are variable parameters, use dynamic checks to skip around the whole mess. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1905 Label L_done; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1906 if (keep3_count.is_register()) { |
3839 | 1907 __ cmp_and_br_short(keep3_count.as_register(), 0, Assembler::equal, Assembler::pn, L_done); |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1908 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1909 if (close_count.is_register()) { |
3839 | 1910 __ cmp_and_br_short(close_count.as_register(), open_count, Assembler::equal, Assembler::pn, L_done); |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1911 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1912 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1913 if (move_keep3 && fix_arg_base) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1914 bool emit_move_down = false, emit_move_up = false, emit_guard = false; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
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1915 if (!close_count.is_constant()) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1916 emit_move_down = emit_guard = !zero_open_count; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1917 emit_move_up = true; |
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1918 } else if (open_count != close_count.as_constant()) { |
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1919 emit_move_down = (open_count > close_count.as_constant()); |
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1920 emit_move_up = !emit_move_down; |
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1921 } |
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changeset
|
1922 Label L_move_up; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
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1923 if (emit_guard) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1924 __ cmp(close_count.as_register(), open_count); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1925 __ br(Assembler::greater, false, Assembler::pn, L_move_up); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1926 __ delayed()->nop(); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1927 } |
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changeset
|
1928 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1929 if (emit_move_down) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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1930 // Move arguments down if |+dest+| > |-collect-| |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1931 // (This is rare, except when arguments are retained.) |
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1932 // This opens space for the return value. |
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1933 if (keep3_count.is_constant()) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1934 for (int i = 0; i < keep3_count.as_constant(); i++) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1935 __ ld_ptr( Address(L4_old_argv, i * Interpreter::stackElementSize), O4_scratch); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1936 __ 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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|
1937 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1938 } else { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1939 // 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
|
1940 Register argv_top = O0_scratch; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
1941 __ add(L4_old_argv, __ argument_offset(keep3_count, O4_scratch), argv_top); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1942 move_arg_slots_down(_masm, |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1943 Address(L4_old_argv, 0), // beginning of old argv |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
1944 argv_top, // end of old argv |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
1945 close_count, // distance to move down (must be negative) |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1946 O4_scratch, G5_scratch); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1947 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1948 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1949 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1950 if (emit_guard) { |
3839 | 1951 __ ba_short(L_done); // assumes emit_move_up is true also |
3442
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1952 __ BIND(L_move_up); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
1953 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
1954 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1955 if (emit_move_up) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1956 // Move arguments up if |+dest+| < |-collect-| |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1957 // (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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diff
changeset
|
1958 // This closes up the space occupied by the now-deleted collect values. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1959 if (keep3_count.is_constant()) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
1960 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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3371
diff
changeset
|
1961 __ ld_ptr( Address(L4_old_argv, i * Interpreter::stackElementSize), O4_scratch); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1962 __ 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
|
1963 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
1964 } else { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1965 Address argv_top(L4_old_argv, __ argument_offset(keep3_count, O4_scratch)); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1966 // Live: O1_close_count, O2_keep3_count, O3_new_argv |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1967 move_arg_slots_up(_masm, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
1968 L4_old_argv, // beginning of old argv |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
1969 argv_top, // end of old argv |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
1970 close_count, // distance to move up (must be positive) |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1971 O4_scratch, G5_scratch); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
1972 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
1973 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1974 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
1975 __ BIND(L_done); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1976 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1977 if (fix_arg_base) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1978 // adjust RF.saved_args_base |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1979 __ mov(O3_new_argv, RicochetFrame::L4_saved_args_base); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
1980 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
1981 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
3371
diff
changeset
|
1982 if (stomp_dest) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
1983 // Stomp the return slot, so it doesn't hold garbage. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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1984 // This isn't strictly necessary, but it may help detect bugs. |
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1985 __ set(RicochetFrame::RETURN_VALUE_PLACEHOLDER, O4_scratch); |
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1986 __ st_ptr(O4_scratch, Address(RicochetFrame::L4_saved_args_base, |
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1987 __ argument_offset(keep3_count, keep3_count.register_or_noreg()))); // uses O2_keep3_count |
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|
1988 } |
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1989 BLOCK_COMMENT("} adjust trailing arguments"); |
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|
1990 |
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1991 BLOCK_COMMENT("do_recursive_call"); |
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1992 __ mov(SP, O5_savedSP); // record SP for the callee |
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1993 __ set(ExternalAddress(SharedRuntime::ricochet_blob()->bounce_addr() - frame::pc_return_offset), O7); |
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1994 // The globally unique bounce address has two purposes: |
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1995 // 1. It helps the JVM recognize this frame (frame::is_ricochet_frame). |
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1996 // 2. When returned to, it cuts back the stack and redirects control flow |
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1997 // to the return handler. |
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1998 // The return handler will further cut back the stack when it takes |
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1999 // down the RF. Perhaps there is a way to streamline this further. |
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|
2000 |
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2001 // State during recursive call: |
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2002 // ... keep1 | dest | dest=42 | keep3 | RF... | collect | bounce_pc | |
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2003 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
1503 | 2004 } |
2005 break; | |
2006 | |
3442
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2007 case _adapter_opt_return_ref: |
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2008 case _adapter_opt_return_int: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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2009 case _adapter_opt_return_long: |
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2010 case _adapter_opt_return_float: |
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2011 case _adapter_opt_return_double: |
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2012 case _adapter_opt_return_void: |
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2013 case _adapter_opt_return_S0_ref: |
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2014 case _adapter_opt_return_S1_ref: |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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2015 case _adapter_opt_return_S2_ref: |
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2016 case _adapter_opt_return_S3_ref: |
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2017 case _adapter_opt_return_S4_ref: |
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|
2018 case _adapter_opt_return_S5_ref: |
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|
2019 { |
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2020 BasicType dest_type_constant = ek_adapter_opt_return_type(ek); |
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|
2021 int dest_slot_constant = ek_adapter_opt_return_slot(ek); |
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|
2022 |
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2023 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm); |
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|
2024 |
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2025 if (dest_slot_constant == -1) { |
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2026 // The current stub is a general handler for this dest_type. |
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2027 // It can be called from _adapter_opt_return_any below. |
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2028 // Stash the address in a little table. |
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2029 assert((dest_type_constant & CONV_TYPE_MASK) == dest_type_constant, "oob"); |
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|
2030 address return_handler = __ pc(); |
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|
2031 _adapter_return_handlers[dest_type_constant] = return_handler; |
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2032 if (dest_type_constant == T_INT) { |
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diff
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|
2033 // do the subword types too |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
2034 for (int bt = T_BOOLEAN; bt < T_INT; bt++) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
2035 if (is_subword_type(BasicType(bt)) && |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
2036 _adapter_return_handlers[bt] == NULL) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
2037 _adapter_return_handlers[bt] = return_handler; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2038 } |
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|
2039 } |
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|
2040 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
2041 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
2042 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2043 // On entry to this continuation handler, make Gargs live again. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
2044 __ mov(RicochetFrame::L4_saved_args_base, Gargs); |
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changeset
|
2045 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
2046 Register O7_temp = O7; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2047 Register O5_vminfo = O5; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2048 |
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changeset
|
2049 RegisterOrConstant dest_slot = dest_slot_constant; |
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diff
changeset
|
2050 if (dest_slot_constant == -1) { |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2051 extract_conversion_vminfo(_masm, RicochetFrame::L5_conversion, O5_vminfo); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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|
2052 dest_slot = O5_vminfo; |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2053 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2054 // Store the result back into the argslot. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2055 // This code uses the interpreter calling sequence, in which the return value |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2056 // is usually left in the TOS register, as defined by InterpreterMacroAssembler::pop. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2057 // There are certain irregularities with floating point values, which can be seen |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2058 // in TemplateInterpreterGenerator::generate_return_entry_for. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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|
2059 move_return_value(_masm, dest_type_constant, __ argument_address(dest_slot, O7_temp)); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2060 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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changeset
|
2061 RicochetFrame::leave_ricochet_frame(_masm, G3_method_handle, I5_savedSP, I7); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
2062 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2063 // Load the final target and go. |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
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|
2064 if (VerifyMethodHandles) verify_method_handle(_masm, G3_method_handle, O0_scratch, O1_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2065 __ restore(I5_savedSP, G0, SP); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2066 __ jump_to_method_handle_entry(G3_method_handle, O0_scratch); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2067 __ illtrap(0); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2068 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2069 break; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2070 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2071 case _adapter_opt_return_any: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2072 { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2073 Register O7_temp = O7; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2074 Register O5_dest_type = O5; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2075 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2076 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
2077 extract_conversion_dest_type(_masm, RicochetFrame::L5_conversion, O5_dest_type); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2078 __ set(ExternalAddress((address) &_adapter_return_handlers[0]), O7_temp); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2079 __ sll_ptr(O5_dest_type, LogBytesPerWord, O5_dest_type); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2080 __ ld_ptr(O7_temp, O5_dest_type, O7_temp); |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2081 |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2082 #ifdef ASSERT |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2083 { Label L_ok; |
3839 | 2084 __ br_notnull_short(O7_temp, Assembler::pt, L_ok); |
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
2085 __ stop("bad method handle return"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
2086 __ BIND(L_ok); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2087 } |
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7045514: SPARC assembly code for JSR 292 ricochet frames
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diff
changeset
|
2088 #endif //ASSERT |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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3371
diff
changeset
|
2089 __ JMP(O7_temp, 0); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2090 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2091 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2092 break; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
2093 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
2094 case _adapter_opt_spread_0: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2095 case _adapter_opt_spread_1_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
2096 case _adapter_opt_spread_2_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2097 case _adapter_opt_spread_3_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2098 case _adapter_opt_spread_4_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
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diff
changeset
|
2099 case _adapter_opt_spread_5_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2100 case _adapter_opt_spread_ref: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2101 case _adapter_opt_spread_byte: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2102 case _adapter_opt_spread_char: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2103 case _adapter_opt_spread_short: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2104 case _adapter_opt_spread_int: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2105 case _adapter_opt_spread_long: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2106 case _adapter_opt_spread_float: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2107 case _adapter_opt_spread_double: |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2108 { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2109 // spread an array out into a group of arguments |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2110 int length_constant = ek_adapter_opt_spread_count(ek); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2111 bool length_can_be_zero = (length_constant == 0); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
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parents:
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diff
changeset
|
2112 if (length_constant < 0) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2113 // 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
|
2114 if (!OptimizeMethodHandles || |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2115 ek_adapter_opt_spread_type(ek) != T_OBJECT) |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2116 length_can_be_zero = true; |
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 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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3371
diff
changeset
|
2119 // find the address of the array argument |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2120 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2121 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2122 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
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diff
changeset
|
2123 // 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
|
2124 Address vmarg = Address(O0_argslot, 0); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2125 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2126 // Get the array value. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2127 Register O1_array = O1_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2128 Register O2_array_klass = O2_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2129 BasicType elem_type = ek_adapter_opt_spread_type(ek); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2130 int elem_slots = type2size[elem_type]; // 1 or 2 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2131 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
|
2132 int length_offset = arrayOopDesc::length_offset_in_bytes(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2133 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
|
2134 __ ld_ptr(vmarg, O1_array); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2135 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2136 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
|
2137 if (length_can_be_zero) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2138 // handle the null pointer case, if zero is allowed |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2139 Label L_skip; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2140 if (length_constant < 0) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2141 load_conversion_vminfo(_masm, G3_amh_conversion, O3_scratch); |
3839 | 2142 __ cmp_zero_and_br(Assembler::notZero, O3_scratch, L_skip); |
2143 __ delayed()->nop(); // to avoid back-to-back cbcond instructions | |
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2144 } |
3839 | 2145 __ br_null_short(O1_array, Assembler::pn, L_array_is_empty); |
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2146 __ BIND(L_skip); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2147 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2148 __ null_check(O1_array, oopDesc::klass_offset_in_bytes()); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2149 __ load_klass(O1_array, O2_array_klass); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2150 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2151 // Check the array type. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2152 Register O3_klass = O3_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2153 __ 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
|
2154 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
|
2155 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2156 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
|
2157 __ 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
|
2158 // If we get here, the type check failed! |
3839 | 2159 __ ba_short(L_bad_array_klass); |
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2160 __ BIND(L_ok_array_klass); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2161 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2162 // Check length. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2163 if (length_constant >= 0) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2164 __ ldsw(Address(O1_array, length_offset), O4_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2165 __ cmp(O4_scratch, length_constant); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2166 } else { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2167 Register O3_vminfo = O3_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2168 load_conversion_vminfo(_masm, G3_amh_conversion, O3_vminfo); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2169 __ ldsw(Address(O1_array, length_offset), O4_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2170 __ cmp(O3_vminfo, O4_scratch); |
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 __ 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
|
2173 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2174 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2175 Register O2_argslot_limit = O2_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2176 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2177 // 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
|
2178 if (length_constant == -1) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2179 // 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
|
2180 __ add(O0_argslot, Interpreter::stackElementSize, O2_argslot_limit); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2181 // 'stack_move' is negative number of words to insert |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2182 // This number already accounts for elem_slots. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2183 Register O3_stack_move = O3_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2184 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
|
2185 __ cmp(O3_stack_move, 0); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2186 assert(stack_move_unit() < 0, "else change this comparison"); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2187 __ 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
|
2188 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2189 __ br(Assembler::equal, false, Assembler::pn, L_copy_args); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2190 __ delayed()->nop(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2191 // single argument case, with no array movement |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2192 __ BIND(L_array_is_empty); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2193 remove_arg_slots(_masm, -stack_move_unit() * array_slots, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2194 O0_argslot, O1_scratch, O2_scratch, O3_scratch); |
3839 | 2195 __ ba_short(L_args_done); // no spreading to do |
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2196 __ BIND(L_insert_arg_space); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2197 // 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
|
2198 // Live: O1_array, O2_argslot_limit, O3_stack_move |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2199 insert_arg_slots(_masm, O3_stack_move, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2200 O0_argslot, O4_scratch, G5_scratch, O1_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2201 // reload from rdx_argslot_limit since rax_argslot is now decremented |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2202 __ ld_ptr(Address(O2_argslot_limit, -Interpreter::stackElementSize), O1_array); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2203 } else if (length_constant >= 1) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2204 int new_slots = (length_constant * elem_slots) - array_slots; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2205 insert_arg_slots(_masm, new_slots * stack_move_unit(), |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2206 O0_argslot, O2_scratch, O3_scratch, O4_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2207 } else if (length_constant == 0) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2208 __ BIND(L_array_is_empty); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2209 remove_arg_slots(_masm, -stack_move_unit() * array_slots, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2210 O0_argslot, O1_scratch, O2_scratch, O3_scratch); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2211 } else { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2212 ShouldNotReachHere(); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2213 } |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2214 |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2215 // Copy from the array to the new slots. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2216 // Note: Stack change code preserves integrity of O0_argslot pointer. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2217 // So even after slot insertions, O0_argslot still points to first argument. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2218 // Beware: Arguments that are shallow on the stack are deep in the array, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2219 // and vice versa. So a downward-growing stack (the usual) has to be copied |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2220 // elementwise in reverse order from the source array. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2221 __ BIND(L_copy_args); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2222 if (length_constant == -1) { |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2223 // [O0_argslot, O2_argslot_limit) is the area we are inserting into. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2224 // Array element [0] goes at O0_argslot_limit[-wordSize]. |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2225 Register O1_source = O1_array; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2226 __ add(Address(O1_array, elem0_offset), O1_source); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2227 Register O4_fill_ptr = O4_scratch; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2228 __ mov(O2_argslot_limit, O4_fill_ptr); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2229 Label L_loop; |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2230 __ BIND(L_loop); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2231 __ add(O4_fill_ptr, -Interpreter::stackElementSize * elem_slots, O4_fill_ptr); |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2232 move_typed_arg(_masm, elem_type, true, |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2233 Address(O1_source, 0), Address(O4_fill_ptr, 0), |
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3371
diff
changeset
|
2234 O2_scratch); // must be an even register for !_LP64 long moves (uses O2/O3) |
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2235 __ add(O1_source, type2aelembytes(elem_type), O1_source); |
3839 | 2236 __ cmp_and_brx_short(O4_fill_ptr, O0_argslot, Assembler::greaterUnsigned, Assembler::pt, L_loop); |
3442
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2237 } else if (length_constant == 0) { |
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2238 // nothing to copy |
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2239 } else { |
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2240 int elem_offset = elem0_offset; |
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2241 int slot_offset = length_constant * Interpreter::stackElementSize; |
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2242 for (int index = 0; index < length_constant; index++) { |
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2243 slot_offset -= Interpreter::stackElementSize * elem_slots; // fill backward |
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2244 move_typed_arg(_masm, elem_type, true, |
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2245 Address(O1_array, elem_offset), Address(O0_argslot, slot_offset), |
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2246 O2_scratch); // must be an even register for !_LP64 long moves (uses O2/O3) |
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2247 elem_offset += type2aelembytes(elem_type); |
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2248 } |
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2249 } |
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2250 __ BIND(L_args_done); |
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2251 |
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2252 // Arguments are spread. Move to next method handle. |
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2253 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
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2254 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
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2255 |
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2256 __ BIND(L_bad_array_klass); |
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2257 assert(!vmarg.uses(O2_required), "must be different registers"); |
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2258 __ load_heap_oop(Address(O2_array_klass, java_mirror_offset), O2_required); // required class |
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2259 __ ld_ptr( vmarg, O1_actual); // bad object |
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2260 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch); |
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2261 __ delayed()->mov(Bytecodes::_aaload, O0_code); // who is complaining? |
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2262 |
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2263 __ bind(L_bad_array_length); |
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2264 assert(!vmarg.uses(O2_required), "must be different registers"); |
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2265 __ mov( G3_method_handle, O2_required); // required class |
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2266 __ ld_ptr(vmarg, O1_actual); // bad object |
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2267 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch); |
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2268 __ delayed()->mov(Bytecodes::_arraylength, O0_code); // who is complaining? |
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2269 } |
1503 | 2270 break; |
2271 | |
2272 default: | |
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2273 DEBUG_ONLY(tty->print_cr("bad ek=%d (%s)", (int)ek, entry_name(ek))); |
1503 | 2274 ShouldNotReachHere(); |
2275 } | |
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2276 BLOCK_COMMENT(err_msg("} Entry %s", entry_name(ek))); |
1503 | 2277 |
2278 address me_cookie = MethodHandleEntry::start_compiled_entry(_masm, interp_entry); | |
2279 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
2280 | |
2281 init_entry(ek, MethodHandleEntry::finish_compiled_entry(_masm, me_cookie)); | |
710 | 2282 } |