45 #include "shark/sharkCompiler.hpp" |
45 #include "shark/sharkCompiler.hpp" |
46 #endif |
46 #endif |
47 |
47 |
48 #define __ masm-> |
48 #define __ masm-> |
49 |
49 |
50 #ifdef COMPILER2 |
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51 UncommonTrapBlob* SharedRuntime::_uncommon_trap_blob; |
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52 #endif // COMPILER2 |
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53 |
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54 DeoptimizationBlob* SharedRuntime::_deopt_blob; |
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55 SafepointBlob* SharedRuntime::_polling_page_safepoint_handler_blob; |
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56 SafepointBlob* SharedRuntime::_polling_page_return_handler_blob; |
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57 RuntimeStub* SharedRuntime::_wrong_method_blob; |
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58 RuntimeStub* SharedRuntime::_ic_miss_blob; |
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59 RuntimeStub* SharedRuntime::_resolve_opt_virtual_call_blob; |
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60 RuntimeStub* SharedRuntime::_resolve_virtual_call_blob; |
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61 RuntimeStub* SharedRuntime::_resolve_static_call_blob; |
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62 |
50 |
63 class RegisterSaver { |
51 class RegisterSaver { |
64 |
52 |
65 // Used for saving volatile registers. This is Gregs, Fregs, I/L/O. |
53 // Used for saving volatile registers. This is Gregs, Fregs, I/L/O. |
66 // The Oregs are problematic. In the 32bit build the compiler can |
54 // The Oregs are problematic. In the 32bit build the compiler can |
3490 // the adjusted FP off to the GC stack-crawler: this will modify the caller's |
3478 // the adjusted FP off to the GC stack-crawler: this will modify the caller's |
3491 // SP and mess up HIS OopMaps. So we first adjust the caller's SP, then save |
3479 // SP and mess up HIS OopMaps. So we first adjust the caller's SP, then save |
3492 // the 64-bit %o's, then do a save, then fixup the caller's SP (our FP). |
3480 // the 64-bit %o's, then do a save, then fixup the caller's SP (our FP). |
3493 // Tricky, tricky, tricky... |
3481 // Tricky, tricky, tricky... |
3494 |
3482 |
3495 static SafepointBlob* generate_handler_blob(address call_ptr, bool cause_return) { |
3483 SafepointBlob* SharedRuntime::generate_handler_blob(address call_ptr, bool cause_return) { |
3496 assert (StubRoutines::forward_exception_entry() != NULL, "must be generated before"); |
3484 assert (StubRoutines::forward_exception_entry() != NULL, "must be generated before"); |
3497 |
3485 |
3498 // allocate space for the code |
3486 // allocate space for the code |
3499 ResourceMark rm; |
3487 ResourceMark rm; |
3500 // setup code generation tools |
3488 // setup code generation tools |
3585 // Generate a stub that calls into vm to find out the proper destination |
3573 // Generate a stub that calls into vm to find out the proper destination |
3586 // of a java call. All the argument registers are live at this point |
3574 // of a java call. All the argument registers are live at this point |
3587 // but since this is generic code we don't know what they are and the caller |
3575 // but since this is generic code we don't know what they are and the caller |
3588 // must do any gc of the args. |
3576 // must do any gc of the args. |
3589 // |
3577 // |
3590 static RuntimeStub* generate_resolve_blob(address destination, const char* name) { |
3578 RuntimeStub* SharedRuntime::generate_resolve_blob(address destination, const char* name) { |
3591 assert (StubRoutines::forward_exception_entry() != NULL, "must be generated before"); |
3579 assert (StubRoutines::forward_exception_entry() != NULL, "must be generated before"); |
3592 |
3580 |
3593 // allocate space for the code |
3581 // allocate space for the code |
3594 ResourceMark rm; |
3582 ResourceMark rm; |
3595 // setup code generation tools |
3583 // setup code generation tools |
3675 |
3663 |
3676 // return the blob |
3664 // return the blob |
3677 // frame_size_words or bytes?? |
3665 // frame_size_words or bytes?? |
3678 return RuntimeStub::new_runtime_stub(name, &buffer, frame_complete, frame_size_words, oop_maps, true); |
3666 return RuntimeStub::new_runtime_stub(name, &buffer, frame_complete, frame_size_words, oop_maps, true); |
3679 } |
3667 } |
3680 |
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3681 void SharedRuntime::generate_stubs() { |
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3682 |
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3683 _wrong_method_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_wrong_method), |
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3684 "wrong_method_stub"); |
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3685 |
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3686 _ic_miss_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_wrong_method_ic_miss), |
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3687 "ic_miss_stub"); |
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3688 |
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3689 _resolve_opt_virtual_call_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_opt_virtual_call_C), |
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3690 "resolve_opt_virtual_call"); |
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3691 |
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3692 _resolve_virtual_call_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_virtual_call_C), |
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3693 "resolve_virtual_call"); |
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3694 |
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3695 _resolve_static_call_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_static_call_C), |
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3696 "resolve_static_call"); |
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3697 |
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3698 _polling_page_safepoint_handler_blob = |
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3699 generate_handler_blob(CAST_FROM_FN_PTR(address, |
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3700 SafepointSynchronize::handle_polling_page_exception), false); |
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3701 |
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3702 _polling_page_return_handler_blob = |
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3703 generate_handler_blob(CAST_FROM_FN_PTR(address, |
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3704 SafepointSynchronize::handle_polling_page_exception), true); |
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3705 |
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3706 generate_deopt_blob(); |
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3707 |
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3708 #ifdef COMPILER2 |
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3709 generate_uncommon_trap_blob(); |
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3710 #endif // COMPILER2 |
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3711 } |
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