Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/sparc/vm/methodHandles_sparc.cpp
src/cpu/sparc/vm/methodHandles_sparc.cpp
- changeset 2603
- 1b4e6a5d98e0
- parent 2565
- 28bf941f445e
- child 2639
- 8033953d67ff
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| 2602:41d4973cf100 | 2603:1b4e6a5d98e0 |
|---|---|
| 415 | 415 |
| 416 guarantee(java_dyn_MethodHandle::vmentry_offset_in_bytes() != 0, "must have offsets"); | 416 guarantee(java_dyn_MethodHandle::vmentry_offset_in_bytes() != 0, "must have offsets"); |
| 417 | 417 |
| 418 // Some handy addresses: | 418 // Some handy addresses: |
| 419 Address G5_method_fie( G5_method, in_bytes(methodOopDesc::from_interpreted_offset())); | 419 Address G5_method_fie( G5_method, in_bytes(methodOopDesc::from_interpreted_offset())); |
| 420 Address G5_method_fce( G5_method, in_bytes(methodOopDesc::from_compiled_offset())); | |
| 420 | 421 |
| 421 Address G3_mh_vmtarget( G3_method_handle, java_dyn_MethodHandle::vmtarget_offset_in_bytes()); | 422 Address G3_mh_vmtarget( G3_method_handle, java_dyn_MethodHandle::vmtarget_offset_in_bytes()); |
| 422 | 423 |
| 423 Address G3_dmh_vmindex( G3_method_handle, sun_dyn_DirectMethodHandle::vmindex_offset_in_bytes()); | 424 Address G3_dmh_vmindex( G3_method_handle, sun_dyn_DirectMethodHandle::vmindex_offset_in_bytes()); |
| 424 | 425 |
| 442 | 443 |
| 443 switch ((int) ek) { | 444 switch ((int) ek) { |
| 444 case _raise_exception: | 445 case _raise_exception: |
| 445 { | 446 { |
| 446 // Not a real MH entry, but rather shared code for raising an | 447 // Not a real MH entry, but rather shared code for raising an |
| 447 // exception. Since we use a C2I adapter to set up the | 448 // exception. Since we use the compiled entry, arguments are |
| 448 // interpreter state, arguments are expected in compiler | 449 // expected in compiler argument registers. |
| 449 // argument registers. | |
| 450 assert(raise_exception_method(), "must be set"); | 450 assert(raise_exception_method(), "must be set"); |
| 451 address c2i_entry = raise_exception_method()->get_c2i_entry(); | 451 assert(raise_exception_method()->from_compiled_entry(), "method must be linked"); |
| 452 assert(c2i_entry, "method must be linked"); | |
| 453 | 452 |
| 454 __ mov(O5_savedSP, SP); // Cut the stack back to where the caller started. | 453 __ mov(O5_savedSP, SP); // Cut the stack back to where the caller started. |
| 455 | 454 |
| 456 Label L_no_method; | 455 Label L_no_method; |
| 457 // FIXME: fill in _raise_exception_method with a suitable sun.dyn method | 456 // FIXME: fill in _raise_exception_method with a suitable sun.dyn method |
| 466 __ tst(G5_method); | 465 __ tst(G5_method); |
| 467 __ brx(Assembler::zero, false, Assembler::pn, L_no_method); | 466 __ brx(Assembler::zero, false, Assembler::pn, L_no_method); |
| 468 __ delayed()->nop(); | 467 __ delayed()->nop(); |
| 469 | 468 |
| 470 __ verify_oop(G5_method); | 469 __ verify_oop(G5_method); |
| 471 __ jump_to(AddressLiteral(c2i_entry), O3_scratch); | 470 __ jump_indirect_to(G5_method_fce, O3_scratch); // jump to compiled entry |
| 472 __ delayed()->nop(); | 471 __ delayed()->nop(); |
| 473 | 472 |
| 474 // If we get here, the Java runtime did not do its job of creating the exception. | |
| 475 // Do something that is at least causes a valid throw from the interpreter. | 473 // Do something that is at least causes a valid throw from the interpreter. |
| 476 __ bind(L_no_method); | 474 __ bind(L_no_method); |
| 477 __ unimplemented("call throw_WrongMethodType_entry"); | 475 __ unimplemented("call throw_WrongMethodType_entry"); |
| 478 } | 476 } |
| 479 break; | 477 break; |
