hotspot/src/cpu/x86/vm/interp_masm_x86_32.hpp

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rev 611 : Merge
   1 #ifdef USE_PRAGMA_IDENT_HDR
   2 #pragma ident "@(#)interp_masm_x86_32.hpp       1.88 07/08/29 13:42:13 JVM"
   3 #endif
   4 /*
   5  * Copyright 1997-2007 Sun Microsystems, Inc.  All Rights Reserved.
   6  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   7  *
   8  * This code is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License version 2 only, as
  10  * published by the Free Software Foundation.
  11  *
  12  * This code is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15  * version 2 for more details (a copy is included in the LICENSE file that
  16  * accompanied this code).
  17  *
  18  * You should have received a copy of the GNU General Public License version
  19  * 2 along with this work; if not, write to the Free Software Foundation,
  20  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  21  *
  22  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  23  * CA 95054 USA or visit www.sun.com if you need additional information or
  24  * have any questions.
  25  *  


  51 
  52   // base routine for all dispatches
  53   void dispatch_base(TosState state, address* table, bool verifyoop = true);
  54 #endif /* CC_INTERP */
  55 
  56  public:
  57   InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {}
  58 
  59   void load_earlyret_value(TosState state);
  60 
  61   // Interpreter-specific registers
  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 
  71   void save_bcp()                                          { movl(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), rsi); }
  72   void restore_bcp()                                       { movl(rsi, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); }
  73   void restore_locals()                                    { movl(rdi, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); }
  74 
  75   // Helpers for runtime call arguments/results
  76   void get_method(Register reg)                            { movl(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); }
  77   void get_constant_pool(Register reg)                     { get_method(reg); movl(reg, Address(reg, methodOopDesc::constants_offset())); }
  78   void get_constant_pool_cache(Register reg)               { get_constant_pool(reg); movl(reg, Address(reg, constantPoolOopDesc::cache_offset_in_bytes())); }
  79   void get_cpool_and_tags(Register cpool, Register tags)   { get_constant_pool(cpool); movl(tags, Address(cpool, constantPoolOopDesc::tags_offset_in_bytes()));
  80   }
  81   void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
  82   void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset);
  83   void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset);
  84 
  85   // Expression stack
  86   void f2ieee();                                           // truncate ftos to 32bits
  87   void d2ieee();                                           // truncate dtos to 64bits
  88 #endif // CC_INTERP
  89 
  90 
  91   void pop_ptr(Register r = rax);
  92   void pop_ptr(Register r, Register tag);
  93   void pop_i(Register r = rax);
  94   void pop_l(Register lo = rax, Register hi = rdx);
  95   void pop_f();
  96   void pop_d();
  97   void pop_ftos_to_rsp();
  98   void pop_dtos_to_rsp();
  99 
 100   void push_ptr(Register r = rax);
 101   void push_ptr(Register r, Register tag);
 102   void push_i(Register r = rax);
 103   void push_l(Register lo = rax, Register hi = rdx);
 104   void push_d(Register r = rax);
 105   void push_f();
 106 
 107   void pop(TosState state);        // transition vtos -> state
 108   void push(TosState state);       // transition state -> vtos
 109 









 110   DEBUG_ONLY(void verify_stack_tag(frame::Tag t);)
 111 


 112 #ifndef CC_INTERP
 113 
 114   void empty_expression_stack()                            { 
 115        movl(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
 116       // NULL last_sp until next java call
 117       movl(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD);
 118   }
 119 
 120   // Tagged stack helpers for swap and dup
 121   void load_ptr_and_tag(int n, Register val, Register tag);
 122   void store_ptr_and_tag(int n, Register val, Register tag);
 123 
 124   // Tagged Local support
 125 
 126   void tag_local(frame::Tag tag, int n);
 127   void tag_local(Register tag, int n);
 128   void tag_local(frame::Tag tag, Register idx);
 129   void tag_local(Register tag, Register idx);
 130 
 131 #ifdef ASSERT
 132   void verify_local_tag(frame::Tag tag, int n);
 133   void verify_local_tag(frame::Tag tag, Register idx);
 134 #endif // ASSERT
 135 
 136   // Super call_VM calls - correspond to MacroAssembler::call_VM(_leaf) calls
 137   void super_call_VM_leaf(address entry_point);


 219   void profile_not_taken_branch(Register mdp);
 220   void profile_call(Register mdp);
 221   void profile_final_call(Register mdp);
 222   void profile_virtual_call(Register receiver, Register mdp, Register scratch2);
 223   void profile_ret(Register return_bci, Register mdp);
 224   void profile_null_seen(Register mdp);
 225   void profile_typecheck(Register mdp, Register klass, Register scratch);
 226   void profile_typecheck_failed(Register mdp);
 227   void profile_switch_default(Register mdp);
 228   void profile_switch_case(Register index_in_scratch, Register mdp, Register scratch2);
 229 
 230 #endif /* !CC_INTERP */
 231 
 232   typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
 233 
 234   // support for jvmti
 235   void notify_method_entry();
 236   void notify_method_exit(TosState state, NotifyMethodExitMode mode);
 237   
 238 };
 239 



   1 /*
   2  * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.
   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  *
  19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  *


  48 
  49   // base routine for all dispatches
  50   void dispatch_base(TosState state, address* table, bool verifyoop = true);
  51 #endif /* CC_INTERP */
  52 
  53  public:
  54   InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {}
  55 
  56   void load_earlyret_value(TosState state);
  57 
  58   // Interpreter-specific registers
  59 #ifdef CC_INTERP
  60   void save_bcp()                                          { /*  not needed in c++ interpreter and harmless */ }
  61   void restore_bcp()                                       { /*  not needed in c++ interpreter and harmless */ }
  62 
  63   // Helpers for runtime call arguments/results
  64   void get_method(Register reg);
  65 
  66 #else
  67 
  68   void save_bcp()                                          { movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), rsi); }
  69   void restore_bcp()                                       { movptr(rsi, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); }
  70   void restore_locals()                                    { movptr(rdi, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); }
  71 
  72   // Helpers for runtime call arguments/results
  73   void get_method(Register reg)                            { movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); }
  74   void get_constant_pool(Register reg)                     { get_method(reg); movptr(reg, Address(reg, methodOopDesc::constants_offset())); }
  75   void get_constant_pool_cache(Register reg)               { get_constant_pool(reg); movptr(reg, Address(reg, constantPoolOopDesc::cache_offset_in_bytes())); }
  76   void get_cpool_and_tags(Register cpool, Register tags)   { get_constant_pool(cpool); movptr(tags, Address(cpool, constantPoolOopDesc::tags_offset_in_bytes()));
  77   }
  78   void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
  79   void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset);
  80   void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset);
  81 
  82   // Expression stack
  83   void f2ieee();                                           // truncate ftos to 32bits
  84   void d2ieee();                                           // truncate dtos to 64bits


  85 
  86   void pop_ptr(Register r = rax);
  87   void pop_ptr(Register r, Register tag);
  88   void pop_i(Register r = rax);
  89   void pop_l(Register lo = rax, Register hi = rdx);
  90   void pop_f();
  91   void pop_d();
  92   void pop_ftos_to_rsp();
  93   void pop_dtos_to_rsp();
  94 
  95   void push_ptr(Register r = rax);
  96   void push_ptr(Register r, Register tag);
  97   void push_i(Register r = rax);
  98   void push_l(Register lo = rax, Register hi = rdx);
  99   void push_d(Register r = rax);
 100   void push_f();
 101 
 102   void pop(TosState state);        // transition vtos -> state
 103   void push(TosState state);       // transition state -> vtos
 104 
 105   void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
 106 
 107   void push(Register r ) { ((MacroAssembler*)this)->push(r); }
 108   void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); }
 109 
 110   // These are dummies to prevent surprise implicit conversions to Register
 111   void pop(void* v ); // Add unimplemented ambiguous method
 112   void push(void* v );   // Add unimplemented ambiguous method
 113 
 114   DEBUG_ONLY(void verify_stack_tag(frame::Tag t);)
 115 
 116 #endif // CC_INTERP
 117 
 118 #ifndef CC_INTERP
 119 
 120   void empty_expression_stack()                            {
 121        movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
 122       // NULL last_sp until next java call
 123       movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
 124   }
 125 
 126   // Tagged stack helpers for swap and dup
 127   void load_ptr_and_tag(int n, Register val, Register tag);
 128   void store_ptr_and_tag(int n, Register val, Register tag);
 129 
 130   // Tagged Local support
 131 
 132   void tag_local(frame::Tag tag, int n);
 133   void tag_local(Register tag, int n);
 134   void tag_local(frame::Tag tag, Register idx);
 135   void tag_local(Register tag, Register idx);
 136 
 137 #ifdef ASSERT
 138   void verify_local_tag(frame::Tag tag, int n);
 139   void verify_local_tag(frame::Tag tag, Register idx);
 140 #endif // ASSERT
 141 
 142   // Super call_VM calls - correspond to MacroAssembler::call_VM(_leaf) calls
 143   void super_call_VM_leaf(address entry_point);


 225   void profile_not_taken_branch(Register mdp);
 226   void profile_call(Register mdp);
 227   void profile_final_call(Register mdp);
 228   void profile_virtual_call(Register receiver, Register mdp, Register scratch2);
 229   void profile_ret(Register return_bci, Register mdp);
 230   void profile_null_seen(Register mdp);
 231   void profile_typecheck(Register mdp, Register klass, Register scratch);
 232   void profile_typecheck_failed(Register mdp);
 233   void profile_switch_default(Register mdp);
 234   void profile_switch_case(Register index_in_scratch, Register mdp, Register scratch2);
 235 
 236 #endif /* !CC_INTERP */
 237 
 238   typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
 239 
 240   // support for jvmti
 241   void notify_method_entry();
 242   void notify_method_exit(TosState state, NotifyMethodExitMode mode);
 243 
 244 };