71
72 // Make up the parameters
73 uint i;
74 for( i = 0; i < parm_cnt; i++ )
75 map()->init_req(i, _gvn.transform(new (C) ParmNode(start, i)));
76 for( ; i<map()->req(); i++ )
77 map()->init_req(i, top()); // For nicer debugging
78
79 // GraphKit requires memory to be a MergeMemNode:
80 set_all_memory(map()->memory());
81
82 // Get base of thread-local storage area
83 Node* thread = _gvn.transform( new (C) ThreadLocalNode() );
84
85 const int NoAlias = Compile::AliasIdxBot;
86
87 Node* adr_last_Java_pc = basic_plus_adr(top(),
88 thread,
89 in_bytes(JavaThread::frame_anchor_offset()) +
90 in_bytes(JavaFrameAnchor::last_Java_pc_offset()));
91 #if defined(SPARC) || defined(IA64)
92 Node* adr_flags = basic_plus_adr(top(),
93 thread,
94 in_bytes(JavaThread::frame_anchor_offset()) +
95 in_bytes(JavaFrameAnchor::flags_offset()));
96 #endif /* defined(SPARC) || defined(IA64) */
97
98
99 // Drop in the last_Java_sp. last_Java_fp is not touched.
100 // Always do this after the other "last_Java_frame" fields are set since
101 // as soon as last_Java_sp != NULL the has_last_Java_frame is true and
102 // users will look at the other fields.
103 //
104 Node *adr_sp = basic_plus_adr(top(), thread, in_bytes(JavaThread::last_Java_sp_offset()));
105 #ifndef IA64
106 Node *last_sp = basic_plus_adr(top(), frameptr(), (intptr_t) STACK_BIAS);
107 store_to_memory(NULL, adr_sp, last_sp, T_ADDRESS, NoAlias);
108 #endif
109
110 // Set _thread_in_native
111 // The order of stores into TLS is critical! Setting _thread_in_native MUST
112 // be last, because a GC is allowed at any time after setting it and the GC
113 // will require last_Java_pc and last_Java_sp.
114 Node* adr_state = basic_plus_adr(top(), thread, in_bytes(JavaThread::thread_state_offset()));
115
116 //-----------------------------
117 // Compute signature for C call. Varies from the Java signature!
118 const Type **fields = TypeTuple::fields(2*parm_cnt+2);
119 uint cnt = TypeFunc::Parms;
120 // The C routines gets the base of thread-local storage passed in as an
121 // extra argument. Not all calls need it, but its cheap to add here.
122 for( ; cnt<parm_cnt; cnt++ )
123 fields[cnt] = jdomain->field_at(cnt);
124 fields[cnt++] = TypeRawPtr::BOTTOM; // Thread-local storage
125 // Also pass in the caller's PC, if asked for.
126 if( return_pc )
127 fields[cnt++] = TypeRawPtr::BOTTOM; // Return PC
128
193 Node* retnode = _gvn.transform( new (C) ProjNode(call,TypeFunc::Parms) );
194 // C-land is allowed to return sub-word values. Convert to integer type.
195 assert( retval != Type::TOP, "" );
196 if (retval == TypeInt::BOOL) {
197 retnode = _gvn.transform( new (C) AndINode(retnode, intcon(0xFF)) );
198 } else if (retval == TypeInt::CHAR) {
199 retnode = _gvn.transform( new (C) AndINode(retnode, intcon(0xFFFF)) );
200 } else if (retval == TypeInt::BYTE) {
201 retnode = _gvn.transform( new (C) LShiftINode(retnode, intcon(24)) );
202 retnode = _gvn.transform( new (C) RShiftINode(retnode, intcon(24)) );
203 } else if (retval == TypeInt::SHORT) {
204 retnode = _gvn.transform( new (C) LShiftINode(retnode, intcon(16)) );
205 retnode = _gvn.transform( new (C) RShiftINode(retnode, intcon(16)) );
206 }
207 map()->set_req( TypeFunc::Parms, retnode );
208 }
209
210 //-----------------------------
211
212 // Clear last_Java_sp
213 #ifdef IA64
214 if( os::is_MP() ) insert_mem_bar(Op_MemBarRelease);
215 #endif
216
217 store_to_memory(NULL, adr_sp, null(), T_ADDRESS, NoAlias);
218 #ifdef IA64
219 if (os::is_MP() && UseMembar) insert_mem_bar(new MemBarVolatileNode());
220 #endif // def IA64
221 // Clear last_Java_pc and (optionally)_flags
222 store_to_memory(NULL, adr_last_Java_pc, null(), T_ADDRESS, NoAlias);
223 #if defined(SPARC) || defined(IA64)
224 store_to_memory(NULL, adr_flags, intcon(0), T_INT, NoAlias);
225 #endif /* defined(SPARC) || defined(IA64) */
226 #ifdef IA64
227 Node* adr_last_Java_fp = basic_plus_adr(top(), thread, in_bytes(JavaThread::last_Java_fp_offset()));
228 if( os::is_MP() ) insert_mem_bar(Op_MemBarRelease);
229 store_to_memory(NULL, adr_last_Java_fp, null(), T_ADDRESS, NoAlias);
230 #endif
231
232 // For is-fancy-jump, the C-return value is also the branch target
233 Node* target = map()->in(TypeFunc::Parms);
234 // Runtime call returning oop in TLS? Fetch it out
235 if( pass_tls ) {
236 Node* adr = basic_plus_adr(top(), thread, in_bytes(JavaThread::vm_result_offset()));
237 Node* vm_result = make_load(NULL, adr, TypeOopPtr::BOTTOM, T_OBJECT, NoAlias, false);
238 map()->set_req(TypeFunc::Parms, vm_result); // vm_result passed as result
239 // clear thread-local-storage(tls)
240 store_to_memory(NULL, adr, null(), T_ADDRESS, NoAlias);
241 }
242
243 //-----------------------------
244 // check exception
245 Node* adr = basic_plus_adr(top(), thread, in_bytes(Thread::pending_exception_offset()));
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71
72 // Make up the parameters
73 uint i;
74 for( i = 0; i < parm_cnt; i++ )
75 map()->init_req(i, _gvn.transform(new (C) ParmNode(start, i)));
76 for( ; i<map()->req(); i++ )
77 map()->init_req(i, top()); // For nicer debugging
78
79 // GraphKit requires memory to be a MergeMemNode:
80 set_all_memory(map()->memory());
81
82 // Get base of thread-local storage area
83 Node* thread = _gvn.transform( new (C) ThreadLocalNode() );
84
85 const int NoAlias = Compile::AliasIdxBot;
86
87 Node* adr_last_Java_pc = basic_plus_adr(top(),
88 thread,
89 in_bytes(JavaThread::frame_anchor_offset()) +
90 in_bytes(JavaFrameAnchor::last_Java_pc_offset()));
91 #if defined(SPARC)
92 Node* adr_flags = basic_plus_adr(top(),
93 thread,
94 in_bytes(JavaThread::frame_anchor_offset()) +
95 in_bytes(JavaFrameAnchor::flags_offset()));
96 #endif /* defined(SPARC) */
97
98
99 // Drop in the last_Java_sp. last_Java_fp is not touched.
100 // Always do this after the other "last_Java_frame" fields are set since
101 // as soon as last_Java_sp != NULL the has_last_Java_frame is true and
102 // users will look at the other fields.
103 //
104 Node *adr_sp = basic_plus_adr(top(), thread, in_bytes(JavaThread::last_Java_sp_offset()));
105 Node *last_sp = basic_plus_adr(top(), frameptr(), (intptr_t) STACK_BIAS);
106 store_to_memory(NULL, adr_sp, last_sp, T_ADDRESS, NoAlias);
107
108 // Set _thread_in_native
109 // The order of stores into TLS is critical! Setting _thread_in_native MUST
110 // be last, because a GC is allowed at any time after setting it and the GC
111 // will require last_Java_pc and last_Java_sp.
112 Node* adr_state = basic_plus_adr(top(), thread, in_bytes(JavaThread::thread_state_offset()));
113
114 //-----------------------------
115 // Compute signature for C call. Varies from the Java signature!
116 const Type **fields = TypeTuple::fields(2*parm_cnt+2);
117 uint cnt = TypeFunc::Parms;
118 // The C routines gets the base of thread-local storage passed in as an
119 // extra argument. Not all calls need it, but its cheap to add here.
120 for( ; cnt<parm_cnt; cnt++ )
121 fields[cnt] = jdomain->field_at(cnt);
122 fields[cnt++] = TypeRawPtr::BOTTOM; // Thread-local storage
123 // Also pass in the caller's PC, if asked for.
124 if( return_pc )
125 fields[cnt++] = TypeRawPtr::BOTTOM; // Return PC
126
191 Node* retnode = _gvn.transform( new (C) ProjNode(call,TypeFunc::Parms) );
192 // C-land is allowed to return sub-word values. Convert to integer type.
193 assert( retval != Type::TOP, "" );
194 if (retval == TypeInt::BOOL) {
195 retnode = _gvn.transform( new (C) AndINode(retnode, intcon(0xFF)) );
196 } else if (retval == TypeInt::CHAR) {
197 retnode = _gvn.transform( new (C) AndINode(retnode, intcon(0xFFFF)) );
198 } else if (retval == TypeInt::BYTE) {
199 retnode = _gvn.transform( new (C) LShiftINode(retnode, intcon(24)) );
200 retnode = _gvn.transform( new (C) RShiftINode(retnode, intcon(24)) );
201 } else if (retval == TypeInt::SHORT) {
202 retnode = _gvn.transform( new (C) LShiftINode(retnode, intcon(16)) );
203 retnode = _gvn.transform( new (C) RShiftINode(retnode, intcon(16)) );
204 }
205 map()->set_req( TypeFunc::Parms, retnode );
206 }
207
208 //-----------------------------
209
210 // Clear last_Java_sp
211 store_to_memory(NULL, adr_sp, null(), T_ADDRESS, NoAlias);
212 // Clear last_Java_pc and (optionally)_flags
213 store_to_memory(NULL, adr_last_Java_pc, null(), T_ADDRESS, NoAlias);
214 #if defined(SPARC)
215 store_to_memory(NULL, adr_flags, intcon(0), T_INT, NoAlias);
216 #endif /* defined(SPARC) */
217 #ifdef IA64
218 Node* adr_last_Java_fp = basic_plus_adr(top(), thread, in_bytes(JavaThread::last_Java_fp_offset()));
219 if( os::is_MP() ) insert_mem_bar(Op_MemBarRelease);
220 store_to_memory(NULL, adr_last_Java_fp, null(), T_ADDRESS, NoAlias);
221 #endif
222
223 // For is-fancy-jump, the C-return value is also the branch target
224 Node* target = map()->in(TypeFunc::Parms);
225 // Runtime call returning oop in TLS? Fetch it out
226 if( pass_tls ) {
227 Node* adr = basic_plus_adr(top(), thread, in_bytes(JavaThread::vm_result_offset()));
228 Node* vm_result = make_load(NULL, adr, TypeOopPtr::BOTTOM, T_OBJECT, NoAlias, false);
229 map()->set_req(TypeFunc::Parms, vm_result); // vm_result passed as result
230 // clear thread-local-storage(tls)
231 store_to_memory(NULL, adr, null(), T_ADDRESS, NoAlias);
232 }
233
234 //-----------------------------
235 // check exception
236 Node* adr = basic_plus_adr(top(), thread, in_bytes(Thread::pending_exception_offset()));
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