Mercurial > hg > graal-jvmci-8

comparison src/cpu/sparc/vm/sharedRuntime_sparc.cpp @ 23408:f84a5ac3be22

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make JVMCI JDK immutable and sharable among different JVMCI clients minimize diff to jvmci-9, including adding support for EnableJVMCI (default is true in jvmci-8)
author Doug Simon <doug.simon@oracle.com>
date Mon, 30 May 2016 22:56:59 +0200
parents 3ef45d0a6d77
children b5f3a471e646
comparison
equal deleted inserted replaced
23407:a1d1f1e4817f 23408:f84a5ac3be22
990 } 990 }
991 991
992 // Jump to the compiled code just as if compiled code was doing it. 992 // Jump to the compiled code just as if compiled code was doing it.
993 __ ld_ptr(G5_method, in_bytes(Method::from_compiled_offset()), G3); 993 __ ld_ptr(G5_method, in_bytes(Method::from_compiled_offset()), G3);
994 #if INCLUDE_JVMCI 994 #if INCLUDE_JVMCI
995 // check if this call should be routed towards a specific entry point 995 if (EnableJVMCI) {
996 __ ld_ptr(Address(G2_thread, in_bytes(JavaThread::jvmci_alternate_call_target_offset())), G1); 996 // check if this call should be routed towards a specific entry point
997 __ cmp(G0, G1); 997 __ ld_ptr(Address(G2_thread, in_bytes(JavaThread::jvmci_alternate_call_target_offset())), G1);
998 Label no_alternative_target; 998 __ cmp(G0, G1);
999 __ br(Assembler::equal, false, Assembler::pn, no_alternative_target); 999 Label no_alternative_target;
1000 __ delayed()->nop(); 1000 __ br(Assembler::equal, false, Assembler::pn, no_alternative_target);
1001 1001 __ delayed()->nop();
1002 __ ld_ptr(G2_thread, in_bytes(JavaThread::jvmci_alternate_call_target_offset()), G3); 1002
1003 __ st_ptr(G0, Address(G2_thread, in_bytes(JavaThread::jvmci_alternate_call_target_offset()))); 1003 __ ld_ptr(G2_thread, in_bytes(JavaThread::jvmci_alternate_call_target_offset()), G3);
1004 1004 __ st_ptr(G0, Address(G2_thread, in_bytes(JavaThread::jvmci_alternate_call_target_offset())));
1005 __ bind(no_alternative_target); 1005
1006 __ bind(no_alternative_target);
1007 }
1006 #endif 1008 #endif
1007 1009
1008 // 6243940 We might end up in handle_wrong_method if 1010 // 6243940 We might end up in handle_wrong_method if
1009 // the callee is deoptimized as we race thru here. If that 1011 // the callee is deoptimized as we race thru here. If that
1010 // happens we don't want to take a safepoint because the 1012 // happens we don't want to take a safepoint because the
3467 if (UseStackBanging) { 3469 if (UseStackBanging) {
3468 pad += StackShadowPages*16 + 32; 3470 pad += StackShadowPages*16 + 32;
3469 } 3471 }
3470 #endif 3472 #endif
3471 #if INCLUDE_JVMCI 3473 #if INCLUDE_JVMCI
3472 pad += 512; // Increase the buffer size when compiling for JVMCI 3474 if (EnableJVMCI) {
3475 pad += 512; // Increase the buffer size when compiling for JVMCI
3476 }
3473 #endif 3477 #endif
3474 #ifdef _LP64 3478 #ifdef _LP64
3475 CodeBuffer buffer("deopt_blob", 2100+pad, 512); 3479 CodeBuffer buffer("deopt_blob", 2100+pad, 512);
3476 #else 3480 #else
3477 // Measured 8/7/03 at 1212 in 32bit debug build (no VerifyThread) 3481 // Measured 8/7/03 at 1212 in 32bit debug build (no VerifyThread)
3537 __ ba(cont); 3541 __ ba(cont);
3538 __ delayed()->mov(Deoptimization::Unpack_deopt, L0deopt_mode); 3542 __ delayed()->mov(Deoptimization::Unpack_deopt, L0deopt_mode);
3539 3543
3540 3544
3541 #if INCLUDE_JVMCI 3545 #if INCLUDE_JVMCI
3542 masm->block_comment("BEGIN implicit_exception_uncommon_trap");
3543 int implicit_exception_uncommon_trap_offset = __ offset() - start;
3544 __ ld_ptr(G2_thread, in_bytes(JavaThread::jvmci_implicit_exception_pc_offset()), O7);
3545 __ st_ptr(G0, Address(G2_thread, in_bytes(JavaThread::jvmci_implicit_exception_pc_offset())));
3546 __ add(O7, -8, O7);
3547
3548 int uncommon_trap_offset = __ offset() - start;
3549
3550 // Save everything in sight.
3551 (void) RegisterSaver::save_live_registers(masm, 0, &frame_size_words);
3552 __ set_last_Java_frame(SP, NULL);
3553
3554 __ ld(G2_thread, in_bytes(JavaThread::pending_deoptimization_offset()), O1);
3555 __ sub(G0, 1, L1);
3556 __ st(L1, G2_thread, in_bytes(JavaThread::pending_deoptimization_offset()));
3557
3558 __ mov((int32_t)Deoptimization::Unpack_reexecute, L0deopt_mode);
3559 __ mov(G2_thread, O0);
3560 __ mov(L0deopt_mode, O2);
3561 __ call(CAST_FROM_FN_PTR(address, Deoptimization::uncommon_trap));
3562 __ delayed()->nop();
3563 oop_maps->add_gc_map( __ offset()-start, map->deep_copy());
3564 __ get_thread();
3565 __ add(O7, 8, O7);
3566 __ reset_last_Java_frame();
3567
3568 Label after_fetch_unroll_info_call; 3546 Label after_fetch_unroll_info_call;
3569 __ ba(after_fetch_unroll_info_call); 3547 int implicit_exception_uncommon_trap_offset = 0;
3570 __ delayed()->nop(); // Delay slot 3548 int uncommon_trap_offset = 0;
3571 masm->block_comment("END implicit_exception_uncommon_trap"); 3549
3550 if (EnableJVMCI) {
3551 masm->block_comment("BEGIN implicit_exception_uncommon_trap");
3552 implicit_exception_uncommon_trap_offset = __ offset() - start;
3553 __ ld_ptr(G2_thread, in_bytes(JavaThread::jvmci_implicit_exception_pc_offset()), O7);
3554 __ st_ptr(G0, Address(G2_thread, in_bytes(JavaThread::jvmci_implicit_exception_pc_offset())));
3555 __ add(O7, -8, O7);
3556
3557 uncommon_trap_offset = __ offset() - start;
3558
3559 // Save everything in sight.
3560 (void) RegisterSaver::save_live_registers(masm, 0, &frame_size_words);
3561 __ set_last_Java_frame(SP, NULL);
3562
3563 __ ld(G2_thread, in_bytes(JavaThread::pending_deoptimization_offset()), O1);
3564 __ sub(G0, 1, L1);
3565 __ st(L1, G2_thread, in_bytes(JavaThread::pending_deoptimization_offset()));
3566
3567 __ mov((int32_t)Deoptimization::Unpack_reexecute, L0deopt_mode);
3568 __ mov(G2_thread, O0);
3569 __ mov(L0deopt_mode, O2);
3570 __ call(CAST_FROM_FN_PTR(address, Deoptimization::uncommon_trap));
3571 __ delayed()->nop();
3572 oop_maps->add_gc_map( __ offset()-start, map->deep_copy());
3573 __ get_thread();
3574 __ add(O7, 8, O7);
3575 __ reset_last_Java_frame();
3576
3577 after_fetch_unroll_info_call;
3578 __ ba(after_fetch_unroll_info_call);
3579 __ delayed()->nop(); // Delay slot
3580 masm->block_comment("END implicit_exception_uncommon_trap");
3581 } // EnableJVMCI
3572 #endif // INCLUDE_JVMCI 3582 #endif // INCLUDE_JVMCI
3573 3583
3574 int exception_offset = __ offset() - start; 3584 int exception_offset = __ offset() - start;
3575 3585
3576 // restore G2, the trampoline destroyed it 3586 // restore G2, the trampoline destroyed it
3654 __ mov(L7_thread_cache, G2_thread); 3664 __ mov(L7_thread_cache, G2_thread);
3655 3665
3656 __ reset_last_Java_frame(); 3666 __ reset_last_Java_frame();
3657 3667
3658 #if INCLUDE_JVMCI 3668 #if INCLUDE_JVMCI
3659 __ bind(after_fetch_unroll_info_call); 3669 if (EnableJVMCI) {
3670 __ bind(after_fetch_unroll_info_call);
3671 }
3660 #endif 3672 #endif
3661 // NOTE: we know that only O0/O1 will be reloaded by restore_result_registers 3673 // NOTE: we know that only O0/O1 will be reloaded by restore_result_registers
3662 // so this move will survive 3674 // so this move will survive
3663 3675
3664 __ mov(L0deopt_mode, G4deopt_mode); 3676 __ mov(L0deopt_mode, G4deopt_mode);
3723 3735
3724 masm->flush(); 3736 masm->flush();
3725 _deopt_blob = DeoptimizationBlob::create(&buffer, oop_maps, 0, exception_offset, reexecute_offset, frame_size_words); 3737 _deopt_blob = DeoptimizationBlob::create(&buffer, oop_maps, 0, exception_offset, reexecute_offset, frame_size_words);
3726 _deopt_blob->set_unpack_with_exception_in_tls_offset(exception_in_tls_offset); 3738 _deopt_blob->set_unpack_with_exception_in_tls_offset(exception_in_tls_offset);
3727 #if INCLUDE_JVMCI 3739 #if INCLUDE_JVMCI
3728 _deopt_blob->set_uncommon_trap_offset(uncommon_trap_offset); 3740 if (EnableJVMCI) {
3729 _deopt_blob->set_implicit_exception_uncommon_trap_offset(implicit_exception_uncommon_trap_offset); 3741 _deopt_blob->set_uncommon_trap_offset(uncommon_trap_offset);
3742 _deopt_blob->set_implicit_exception_uncommon_trap_offset(implicit_exception_uncommon_trap_offset);
3743 }
3730 #endif 3744 #endif
3731 } 3745 }
3732 3746
3733 #ifdef COMPILER2 3747 #ifdef COMPILER2
3734 3748