1 /*
2 * Copyright (c) 1997, 2025, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2014, 2020, Red Hat Inc. All rights reserved.
4 * Copyright (c) 2020, 2023, Huawei Technologies Co., Ltd. All rights reserved.
5 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 *
7 * This code is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 only, as
9 * published by the Free Software Foundation.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
603 values.describe(-1, fp_loc, "saved fp", 0); // "unowned" as value belongs to sender
604 }
605 }
606 #endif
607
608 intptr_t *frame::initial_deoptimization_info() {
609 // Not used on riscv, but we must return something.
610 return nullptr;
611 }
612
613 #undef DESCRIBE_FP_OFFSET
614
615 #ifndef PRODUCT
616 // This is a generic constructor which is only used by pns() in debug.cpp.
617 frame::frame(void* ptr_sp, void* ptr_fp, void* pc) : _on_heap(false) {
618 init((intptr_t*)ptr_sp, (intptr_t*)ptr_fp, (address)pc);
619 }
620
621 #endif
622
623 void JavaFrameAnchor::make_walkable() {
624 // last frame set?
625 if (last_Java_sp() == nullptr) { return; }
626 // already walkable?
627 if (walkable()) { return; }
628 vmassert(last_Java_sp() != nullptr, "not called from Java code?");
629 _last_Java_pc = (address)_last_Java_sp[-1];
630 vmassert(walkable(), "something went wrong");
631 }
|
1 /*
2 * Copyright (c) 1997, 2026, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2014, 2020, Red Hat Inc. All rights reserved.
4 * Copyright (c) 2020, 2023, Huawei Technologies Co., Ltd. All rights reserved.
5 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 *
7 * This code is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 only, as
9 * published by the Free Software Foundation.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
603 values.describe(-1, fp_loc, "saved fp", 0); // "unowned" as value belongs to sender
604 }
605 }
606 #endif
607
608 intptr_t *frame::initial_deoptimization_info() {
609 // Not used on riscv, but we must return something.
610 return nullptr;
611 }
612
613 #undef DESCRIBE_FP_OFFSET
614
615 #ifndef PRODUCT
616 // This is a generic constructor which is only used by pns() in debug.cpp.
617 frame::frame(void* ptr_sp, void* ptr_fp, void* pc) : _on_heap(false) {
618 init((intptr_t*)ptr_sp, (intptr_t*)ptr_fp, (address)pc);
619 }
620
621 #endif
622
623 // Check for a method with scalarized inline type arguments that needs
624 // a stack repair and return the repaired sender stack pointer.
625
626 intptr_t* frame::repair_sender_sp(nmethod* nm, intptr_t* sp, intptr_t** saved_fp_addr) {
627 Unimplemented();
628 return nullptr;
629 }
630
631 bool frame::was_augmented_on_entry(int& real_size) const {
632 assert(is_compiled_frame(), "");
633 assert(!_cb->as_nmethod_or_null()->needs_stack_repair(), "unimplemented");
634 real_size = _cb->frame_size();
635 return false;
636 }
637
638 void JavaFrameAnchor::make_walkable() {
639 // last frame set?
640 if (last_Java_sp() == nullptr) { return; }
641 // already walkable?
642 if (walkable()) { return; }
643 vmassert(last_Java_sp() != nullptr, "not called from Java code?");
644 _last_Java_pc = (address)_last_Java_sp[-1];
645 vmassert(walkable(), "something went wrong");
646 }
|