21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "asm/macroAssembler.hpp"
27 #include "classfile/javaClasses.hpp"
28 #include "compiler/compiler_globals.hpp"
29 #include "compiler/disassembler.hpp"
30 #include "gc/shared/barrierSetAssembler.hpp"
31 #include "interpreter/bytecodeHistogram.hpp"
32 #include "interpreter/interp_masm.hpp"
33 #include "interpreter/interpreter.hpp"
34 #include "interpreter/interpreterRuntime.hpp"
35 #include "interpreter/templateInterpreterGenerator.hpp"
36 #include "interpreter/templateTable.hpp"
37 #include "oops/arrayOop.hpp"
38 #include "oops/methodData.hpp"
39 #include "oops/method.hpp"
40 #include "oops/oop.inline.hpp"
41 #include "prims/jvmtiExport.hpp"
42 #include "prims/jvmtiThreadState.hpp"
43 #include "runtime/deoptimization.hpp"
44 #include "runtime/frame.inline.hpp"
45 #include "runtime/jniHandles.hpp"
46 #include "runtime/sharedRuntime.hpp"
47 #include "runtime/stubRoutines.hpp"
48 #include "runtime/synchronizer.hpp"
49 #include "runtime/timer.hpp"
50 #include "runtime/vframeArray.hpp"
51 #include "utilities/debug.hpp"
52 #include "utilities/macros.hpp"
53
54 #define __ Disassembler::hook<InterpreterMacroAssembler>(__FILE__, __LINE__, _masm)->
55
56 // Size of interpreter code. Increase if too small. Interpreter will
57 // fail with a guarantee ("not enough space for interpreter generation");
58 // if too small.
59 // Run with +PrintInterpreter to get the VM to print out the size.
60 // Max size with JVMTI
61 #ifdef AMD64
62 int TemplateInterpreter::InterpreterCodeSize = JVMCI_ONLY(268) NOT_JVMCI(256) * 1024;
63 #else
64 int TemplateInterpreter::InterpreterCodeSize = 224 * 1024;
65 #endif // AMD64
66
67 // Global Register Names
68 static const Register rbcp = LP64_ONLY(r13) NOT_LP64(rsi);
69 static const Register rlocals = LP64_ONLY(r14) NOT_LP64(rdi);
70
71 const int method_offset = frame::interpreter_frame_method_offset * wordSize;
72 const int bcp_offset = frame::interpreter_frame_bcp_offset * wordSize;
73 const int locals_offset = frame::interpreter_frame_locals_offset * wordSize;
74
75
76 //-----------------------------------------------------------------------------
77
78 address TemplateInterpreterGenerator::generate_StackOverflowError_handler() {
79 address entry = __ pc();
80
81 #ifdef ASSERT
82 {
190 }
191 #endif // COMPILER2
192 if ((state == ftos && UseSSE < 1) || (state == dtos && UseSSE < 2)) {
193 __ MacroAssembler::verify_FPU(1, "generate_return_entry_for compiled");
194 } else {
195 __ MacroAssembler::verify_FPU(0, "generate_return_entry_for compiled");
196 }
197
198 if (state == ftos) {
199 __ MacroAssembler::verify_FPU(UseSSE >= 1 ? 0 : 1, "generate_return_entry_for in interpreter");
200 } else if (state == dtos) {
201 __ MacroAssembler::verify_FPU(UseSSE >= 2 ? 0 : 1, "generate_return_entry_for in interpreter");
202 }
203 #endif // _LP64
204
205 // Restore stack bottom in case i2c adjusted stack
206 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize));
207 // and NULL it as marker that esp is now tos until next java call
208 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
209
210 __ restore_bcp();
211 __ restore_locals();
212
213 if (state == atos) {
214 Register mdp = rbx;
215 Register tmp = rcx;
216 __ profile_return_type(mdp, rax, tmp);
217 }
218
219 const Register cache = rbx;
220 const Register index = rcx;
221 __ get_cache_and_index_at_bcp(cache, index, 1, index_size);
222
223 const Register flags = cache;
224 __ movl(flags, Address(cache, index, Address::times_ptr, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::flags_offset()));
225 __ andl(flags, ConstantPoolCacheEntry::parameter_size_mask);
226 __ lea(rsp, Address(rsp, flags, Interpreter::stackElementScale()));
227
228 const Register java_thread = NOT_LP64(rcx) LP64_ONLY(r15_thread);
229 if (JvmtiExport::can_pop_frame()) {
332 // Store as float and empty fpu stack
333 __ fstp_s(Address(rsp, 0));
334 // and reload
335 __ movflt(xmm0, Address(rsp, 0));
336 } else if (type == T_DOUBLE && UseSSE >= 2 ) {
337 __ movdbl(xmm0, Address(rsp, 0));
338 } else {
339 // restore ST0
340 __ fld_d(Address(rsp, 0));
341 }
342 // and pop the temp
343 __ addptr(rsp, 2 * wordSize);
344 __ push(t); // restore return address
345 }
346 break;
347 #else
348 case T_FLOAT : /* nothing to do */ break;
349 case T_DOUBLE : /* nothing to do */ break;
350 #endif // _LP64
351
352 case T_OBJECT :
353 // retrieve result from frame
354 __ movptr(rax, Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize));
355 // and verify it
356 __ verify_oop(rax);
357 break;
358 default : ShouldNotReachHere();
359 }
360 __ ret(0); // return from result handler
361 return entry;
362 }
363
364 address TemplateInterpreterGenerator::generate_safept_entry_for(
365 TosState state,
366 address runtime_entry) {
367 address entry = __ pc();
368 __ push(state);
369 __ call_VM(noreg, runtime_entry);
370 __ dispatch_via(vtos, Interpreter::_normal_table.table_for(vtos));
371 return entry;
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21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "asm/macroAssembler.hpp"
27 #include "classfile/javaClasses.hpp"
28 #include "compiler/compiler_globals.hpp"
29 #include "compiler/disassembler.hpp"
30 #include "gc/shared/barrierSetAssembler.hpp"
31 #include "interpreter/bytecodeHistogram.hpp"
32 #include "interpreter/interp_masm.hpp"
33 #include "interpreter/interpreter.hpp"
34 #include "interpreter/interpreterRuntime.hpp"
35 #include "interpreter/templateInterpreterGenerator.hpp"
36 #include "interpreter/templateTable.hpp"
37 #include "oops/arrayOop.hpp"
38 #include "oops/methodData.hpp"
39 #include "oops/method.hpp"
40 #include "oops/oop.inline.hpp"
41 #include "oops/inlineKlass.hpp"
42 #include "prims/jvmtiExport.hpp"
43 #include "prims/jvmtiThreadState.hpp"
44 #include "runtime/deoptimization.hpp"
45 #include "runtime/frame.inline.hpp"
46 #include "runtime/jniHandles.hpp"
47 #include "runtime/sharedRuntime.hpp"
48 #include "runtime/stubRoutines.hpp"
49 #include "runtime/synchronizer.hpp"
50 #include "runtime/timer.hpp"
51 #include "runtime/vframeArray.hpp"
52 #include "utilities/debug.hpp"
53 #include "utilities/macros.hpp"
54
55 #define __ Disassembler::hook<InterpreterMacroAssembler>(__FILE__, __LINE__, _masm)->
56
57 // Size of interpreter code. Increase if too small. Interpreter will
58 // fail with a guarantee ("not enough space for interpreter generation");
59 // if too small.
60 // Run with +PrintInterpreter to get the VM to print out the size.
61 // Max size with JVMTI
62 #ifdef AMD64
63 int TemplateInterpreter::InterpreterCodeSize = JVMCI_ONLY(280) NOT_JVMCI(268) * 1024;
64 #else
65 int TemplateInterpreter::InterpreterCodeSize = 224 * 1024;
66 #endif // AMD64
67
68 // Global Register Names
69 static const Register rbcp = LP64_ONLY(r13) NOT_LP64(rsi);
70 static const Register rlocals = LP64_ONLY(r14) NOT_LP64(rdi);
71
72 const int method_offset = frame::interpreter_frame_method_offset * wordSize;
73 const int bcp_offset = frame::interpreter_frame_bcp_offset * wordSize;
74 const int locals_offset = frame::interpreter_frame_locals_offset * wordSize;
75
76
77 //-----------------------------------------------------------------------------
78
79 address TemplateInterpreterGenerator::generate_StackOverflowError_handler() {
80 address entry = __ pc();
81
82 #ifdef ASSERT
83 {
191 }
192 #endif // COMPILER2
193 if ((state == ftos && UseSSE < 1) || (state == dtos && UseSSE < 2)) {
194 __ MacroAssembler::verify_FPU(1, "generate_return_entry_for compiled");
195 } else {
196 __ MacroAssembler::verify_FPU(0, "generate_return_entry_for compiled");
197 }
198
199 if (state == ftos) {
200 __ MacroAssembler::verify_FPU(UseSSE >= 1 ? 0 : 1, "generate_return_entry_for in interpreter");
201 } else if (state == dtos) {
202 __ MacroAssembler::verify_FPU(UseSSE >= 2 ? 0 : 1, "generate_return_entry_for in interpreter");
203 }
204 #endif // _LP64
205
206 // Restore stack bottom in case i2c adjusted stack
207 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize));
208 // and NULL it as marker that esp is now tos until next java call
209 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
210
211 if (state == atos && InlineTypeReturnedAsFields) {
212 __ store_inline_type_fields_to_buf(NULL);
213 }
214
215 __ restore_bcp();
216 __ restore_locals();
217
218 if (state == atos) {
219 Register mdp = rbx;
220 Register tmp = rcx;
221 __ profile_return_type(mdp, rax, tmp);
222 }
223
224 const Register cache = rbx;
225 const Register index = rcx;
226 __ get_cache_and_index_at_bcp(cache, index, 1, index_size);
227
228 const Register flags = cache;
229 __ movl(flags, Address(cache, index, Address::times_ptr, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::flags_offset()));
230 __ andl(flags, ConstantPoolCacheEntry::parameter_size_mask);
231 __ lea(rsp, Address(rsp, flags, Interpreter::stackElementScale()));
232
233 const Register java_thread = NOT_LP64(rcx) LP64_ONLY(r15_thread);
234 if (JvmtiExport::can_pop_frame()) {
337 // Store as float and empty fpu stack
338 __ fstp_s(Address(rsp, 0));
339 // and reload
340 __ movflt(xmm0, Address(rsp, 0));
341 } else if (type == T_DOUBLE && UseSSE >= 2 ) {
342 __ movdbl(xmm0, Address(rsp, 0));
343 } else {
344 // restore ST0
345 __ fld_d(Address(rsp, 0));
346 }
347 // and pop the temp
348 __ addptr(rsp, 2 * wordSize);
349 __ push(t); // restore return address
350 }
351 break;
352 #else
353 case T_FLOAT : /* nothing to do */ break;
354 case T_DOUBLE : /* nothing to do */ break;
355 #endif // _LP64
356
357 case T_INLINE_TYPE: // fall through (inline types are handled with oops)
358 case T_OBJECT :
359 // retrieve result from frame
360 __ movptr(rax, Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize));
361 // and verify it
362 __ verify_oop(rax);
363 break;
364 default : ShouldNotReachHere();
365 }
366 __ ret(0); // return from result handler
367 return entry;
368 }
369
370 address TemplateInterpreterGenerator::generate_safept_entry_for(
371 TosState state,
372 address runtime_entry) {
373 address entry = __ pc();
374 __ push(state);
375 __ call_VM(noreg, runtime_entry);
376 __ dispatch_via(vtos, Interpreter::_normal_table.table_for(vtos));
377 return entry;
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