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src/hotspot/cpu/arm/frame_arm.hpp

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  1 /*
  2  * Copyright (c) 2008, 2025, Oracle and/or its affiliates. All rights reserved.
  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4  *
  5  * This code is free software; you can redistribute it and/or modify it
  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.
  8  *
  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *

107   // accessors for the instance variables
108   // Note: not necessarily the real 'frame pointer' (see real_fp)
109   intptr_t* fp() const { return _fp; }
110 
111   inline address* sender_pc_addr() const;
112 
113   // expression stack tos if we are nested in a java call
114   intptr_t* interpreter_frame_last_sp() const;
115 
116   template <typename RegisterMapT>
117   static void update_map_with_saved_link(RegisterMapT* map, intptr_t** link_addr);
118 
119   // deoptimization support
120   void interpreter_frame_set_last_sp(intptr_t* sp);
121 
122   // helper to update a map with callee-saved FP
123   static void update_map_with_saved_link(RegisterMap* map, intptr_t** link_addr);
124 
125   static jint interpreter_frame_expression_stack_direction() { return -1; }
126 




127 #endif // CPU_ARM_FRAME_ARM_HPP

  1 /*
  2  * Copyright (c) 2008, 2026, Oracle and/or its affiliates. All rights reserved.
  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4  *
  5  * This code is free software; you can redistribute it and/or modify it
  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.
  8  *
  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *

107   // accessors for the instance variables
108   // Note: not necessarily the real 'frame pointer' (see real_fp)
109   intptr_t* fp() const { return _fp; }
110 
111   inline address* sender_pc_addr() const;
112 
113   // expression stack tos if we are nested in a java call
114   intptr_t* interpreter_frame_last_sp() const;
115 
116   template <typename RegisterMapT>
117   static void update_map_with_saved_link(RegisterMapT* map, intptr_t** link_addr);
118 
119   // deoptimization support
120   void interpreter_frame_set_last_sp(intptr_t* sp);
121 
122   // helper to update a map with callee-saved FP
123   static void update_map_with_saved_link(RegisterMap* map, intptr_t** link_addr);
124 
125   static jint interpreter_frame_expression_stack_direction() { return -1; }
126 
127   intptr_t* repair_sender_sp(intptr_t* sender_sp, intptr_t** saved_fp_addr) const;
128   static intptr_t* repair_sender_sp(nmethod* nm, intptr_t* sp, intptr_t** saved_fp_addr);
129   bool was_augmented_on_entry(int& real_size) const;
130 
131 #endif // CPU_ARM_FRAME_ARM_HPP
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