Mercurial > hg > graal-compiler
annotate src/cpu/x86/vm/interp_masm_x86_64.hpp @ 12932:7fe6ef09d242
8025638: jmap returns 0 instead of 1 when it fails.
Summary: Re-factored some code handling return values and fails/errors during tool execution.
Reviewed-by: sla, kevinw
Contributed-by: fredrik.arvidsson@oracle.com
author | farvidsson |
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date | Wed, 16 Oct 2013 09:20:23 +0200 |
parents | aeaca88565e6 |
children | 836a62f43af9 d13d7aba8c12 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 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. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef CPU_X86_VM_INTERP_MASM_X86_64_HPP |
26 #define CPU_X86_VM_INTERP_MASM_X86_64_HPP | |
27 | |
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28 #include "asm/macroAssembler.hpp" |
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29 #include "asm/macroAssembler.inline.hpp" |
1972 | 30 #include "interpreter/invocationCounter.hpp" |
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31 #include "runtime/frame.hpp" |
1972 | 32 |
0 | 33 // This file specializes the assember with interpreter-specific macros |
34 | |
35 | |
304 | 36 class InterpreterMacroAssembler: public MacroAssembler { |
37 #ifndef CC_INTERP | |
0 | 38 protected: |
39 // Interpreter specific version of call_VM_base | |
40 virtual void call_VM_leaf_base(address entry_point, | |
41 int number_of_arguments); | |
42 | |
43 virtual void call_VM_base(Register oop_result, | |
44 Register java_thread, | |
45 Register last_java_sp, | |
46 address entry_point, | |
47 int number_of_arguments, | |
48 bool check_exceptions); | |
49 | |
50 virtual void check_and_handle_popframe(Register java_thread); | |
51 virtual void check_and_handle_earlyret(Register java_thread); | |
52 | |
53 // base routine for all dispatches | |
54 void dispatch_base(TosState state, address* table, bool verifyoop = true); | |
304 | 55 #endif // CC_INTERP |
0 | 56 |
57 public: | |
304 | 58 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {} |
0 | 59 |
60 void load_earlyret_value(TosState state); | |
61 | |
304 | 62 #ifdef CC_INTERP |
63 void save_bcp() { /* not needed in c++ interpreter and harmless */ } | |
64 void restore_bcp() { /* not needed in c++ interpreter and harmless */ } | |
65 | |
66 // Helpers for runtime call arguments/results | |
67 void get_method(Register reg); | |
68 | |
69 #else | |
70 | |
0 | 71 // Interpreter-specific registers |
304 | 72 void save_bcp() { |
73 movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), r13); | |
0 | 74 } |
75 | |
304 | 76 void restore_bcp() { |
77 movptr(r13, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); | |
0 | 78 } |
79 | |
304 | 80 void restore_locals() { |
81 movptr(r14, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); | |
0 | 82 } |
83 | |
84 // Helpers for runtime call arguments/results | |
304 | 85 void get_method(Register reg) { |
86 movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); | |
0 | 87 } |
88 | |
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89 void get_const(Register reg) { |
0 | 90 get_method(reg); |
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91 movptr(reg, Address(reg, Method::const_offset())); |
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92 } |
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93 |
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94 void get_constant_pool(Register reg) { |
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95 get_const(reg); |
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96 movptr(reg, Address(reg, ConstMethod::constants_offset())); |
0 | 97 } |
98 | |
304 | 99 void get_constant_pool_cache(Register reg) { |
0 | 100 get_constant_pool(reg); |
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101 movptr(reg, Address(reg, ConstantPool::cache_offset_in_bytes())); |
0 | 102 } |
103 | |
304 | 104 void get_cpool_and_tags(Register cpool, Register tags) { |
0 | 105 get_constant_pool(cpool); |
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106 movptr(tags, Address(cpool, ConstantPool::tags_offset_in_bytes())); |
0 | 107 } |
108 | |
109 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset); | |
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110 void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2)); |
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111 void get_cache_and_index_and_bytecode_at_bcp(Register cache, Register index, Register bytecode, int byte_no, int bcp_offset, size_t index_size = sizeof(u2)); |
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112 void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2)); |
1565 | 113 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2)); |
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114 void get_method_counters(Register method, Register mcs, Label& skip); |
0 | 115 |
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116 // load cpool->resolved_references(index); |
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117 void load_resolved_reference_at_index(Register result, Register index); |
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118 |
0 | 119 void pop_ptr(Register r = rax); |
120 void pop_i(Register r = rax); | |
121 void pop_l(Register r = rax); | |
122 void pop_f(XMMRegister r = xmm0); | |
123 void pop_d(XMMRegister r = xmm0); | |
124 void push_ptr(Register r = rax); | |
125 void push_i(Register r = rax); | |
126 void push_l(Register r = rax); | |
127 void push_f(XMMRegister r = xmm0); | |
128 void push_d(XMMRegister r = xmm0); | |
129 | |
304 | 130 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); } |
131 | |
132 void push(Register r ) { ((MacroAssembler*)this)->push(r); } | |
133 void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); } | |
134 | |
0 | 135 void pop(TosState state); // transition vtos -> state |
136 void push(TosState state); // transition state -> vtos | |
137 | |
1506 | 138 void empty_expression_stack() { |
304 | 139 movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize)); |
0 | 140 // NULL last_sp until next java call |
304 | 141 movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
0 | 142 } |
143 | |
1506 | 144 // Helpers for swap and dup |
145 void load_ptr(int n, Register val); | |
146 void store_ptr(int n, Register val); | |
147 | |
0 | 148 // Generate a subtype check: branch to ok_is_subtype if sub_klass is |
149 // a subtype of super_klass. | |
150 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype ); | |
151 | |
152 // Dispatching | |
153 void dispatch_prolog(TosState state, int step = 0); | |
154 void dispatch_epilog(TosState state, int step = 0); | |
155 // dispatch via ebx (assume ebx is loaded already) | |
156 void dispatch_only(TosState state); | |
157 // dispatch normal table via ebx (assume ebx is loaded already) | |
158 void dispatch_only_normal(TosState state); | |
159 void dispatch_only_noverify(TosState state); | |
160 // load ebx from [esi + step] and dispatch via ebx | |
161 void dispatch_next(TosState state, int step = 0); | |
162 // load ebx from [esi] and dispatch via ebx and table | |
163 void dispatch_via (TosState state, address* table); | |
164 | |
165 // jump to an invoked target | |
710 | 166 void prepare_to_jump_from_interpreted(); |
0 | 167 void jump_from_interpreted(Register method, Register temp); |
168 | |
169 | |
170 // Returning from interpreted functions | |
171 // | |
172 // Removes the current activation (incl. unlocking of monitors) | |
173 // and sets up the return address. This code is also used for | |
174 // exception unwindwing. In that case, we do not want to throw | |
175 // IllegalMonitorStateExceptions, since that might get us into an | |
176 // infinite rethrow exception loop. | |
177 // Additionally this code is used for popFrame and earlyReturn. | |
178 // In popFrame case we want to skip throwing an exception, | |
179 // installing an exception, and notifying jvmdi. | |
180 // In earlyReturn case we only want to skip throwing an exception | |
181 // and installing an exception. | |
182 void remove_activation(TosState state, Register ret_addr, | |
183 bool throw_monitor_exception = true, | |
184 bool install_monitor_exception = true, | |
185 bool notify_jvmdi = true); | |
304 | 186 #endif // CC_INTERP |
0 | 187 |
188 // Object locking | |
189 void lock_object (Register lock_reg); | |
190 void unlock_object(Register lock_reg); | |
191 | |
304 | 192 #ifndef CC_INTERP |
193 | |
0 | 194 // Interpreter profiling operations |
195 void set_method_data_pointer_for_bcp(); | |
196 void test_method_data_pointer(Register mdp, Label& zero_continue); | |
197 void verify_method_data_pointer(); | |
198 | |
199 void set_mdp_data_at(Register mdp_in, int constant, Register value); | |
200 void increment_mdp_data_at(Address data, bool decrement = false); | |
201 void increment_mdp_data_at(Register mdp_in, int constant, | |
202 bool decrement = false); | |
203 void increment_mdp_data_at(Register mdp_in, Register reg, int constant, | |
204 bool decrement = false); | |
1783 | 205 void increment_mask_and_jump(Address counter_addr, |
206 int increment, int mask, | |
207 Register scratch, bool preloaded, | |
208 Condition cond, Label* where); | |
0 | 209 void set_mdp_flag_at(Register mdp_in, int flag_constant); |
210 void test_mdp_data_at(Register mdp_in, int offset, Register value, | |
211 Register test_value_out, | |
212 Label& not_equal_continue); | |
213 | |
214 void record_klass_in_profile(Register receiver, Register mdp, | |
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215 Register reg2, bool is_virtual_call); |
0 | 216 void record_klass_in_profile_helper(Register receiver, Register mdp, |
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217 Register reg2, int start_row, |
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218 Label& done, bool is_virtual_call); |
0 | 219 |
220 void update_mdp_by_offset(Register mdp_in, int offset_of_offset); | |
221 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp); | |
222 void update_mdp_by_constant(Register mdp_in, int constant); | |
223 void update_mdp_for_ret(Register return_bci); | |
224 | |
225 void profile_taken_branch(Register mdp, Register bumped_count); | |
226 void profile_not_taken_branch(Register mdp); | |
227 void profile_call(Register mdp); | |
228 void profile_final_call(Register mdp); | |
229 void profile_virtual_call(Register receiver, Register mdp, | |
1108 | 230 Register scratch2, |
231 bool receiver_can_be_null = false); | |
0 | 232 void profile_ret(Register return_bci, Register mdp); |
233 void profile_null_seen(Register mdp); | |
234 void profile_typecheck(Register mdp, Register klass, Register scratch); | |
235 void profile_typecheck_failed(Register mdp); | |
236 void profile_switch_default(Register mdp); | |
237 void profile_switch_case(Register index_in_scratch, Register mdp, | |
238 Register scratch2); | |
239 | |
240 // Debugging | |
241 // only if +VerifyOops && state == atos | |
242 void verify_oop(Register reg, TosState state = atos); | |
243 // only if +VerifyFPU && (state == ftos || state == dtos) | |
244 void verify_FPU(int stack_depth, TosState state = ftos); | |
245 | |
304 | 246 #endif // !CC_INTERP |
247 | |
0 | 248 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode; |
249 | |
250 // support for jvmti/dtrace | |
251 void notify_method_entry(); | |
252 void notify_method_exit(TosState state, NotifyMethodExitMode mode); | |
253 }; | |
1972 | 254 |
255 #endif // CPU_X86_VM_INTERP_MASM_X86_64_HPP |