1 /* 2 * Copyright (c) 2019, 2024, 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 * 23 */ 24 25 #ifndef CPU_RISCV_STACKCHUNKFRAMESTREAM_RISCV_INLINE_HPP 26 #define CPU_RISCV_STACKCHUNKFRAMESTREAM_RISCV_INLINE_HPP 27 28 #include "interpreter/oopMapCache.hpp" 29 #include "runtime/frame.inline.hpp" 30 #include "runtime/registerMap.hpp" 31 32 #ifdef ASSERT 33 template <ChunkFrames frame_kind> 34 inline bool StackChunkFrameStream<frame_kind>::is_in_frame(void* p0) const { 35 assert(!is_done(), ""); 36 intptr_t* p = (intptr_t*)p0; 37 int argsize = is_compiled() ? (_cb->as_nmethod()->num_stack_arg_slots() * VMRegImpl::stack_slot_size) >> LogBytesPerWord : 0; 38 int frame_size = _cb->frame_size() + argsize; 39 return p == sp() - 2 || ((p - unextended_sp()) >= 0 && (p - unextended_sp()) < frame_size); 40 } 41 #endif 42 43 template <ChunkFrames frame_kind> 44 inline frame StackChunkFrameStream<frame_kind>::to_frame() const { 45 if (is_done()) { 46 return frame(_sp, _sp, nullptr, nullptr, nullptr, nullptr, true); 47 } else { 48 return frame(sp(), unextended_sp(), fp(), pc(), cb(), _oopmap, true); 49 } 50 } 51 52 template <ChunkFrames frame_kind> 53 inline address StackChunkFrameStream<frame_kind>::get_pc() const { 54 assert(!is_done(), ""); 55 return *(address*)(_sp - 1); 56 } 57 58 template <ChunkFrames frame_kind> 59 inline intptr_t* StackChunkFrameStream<frame_kind>::fp() const { 60 intptr_t* fp_addr = _sp - 2; 61 return (frame_kind == ChunkFrames::Mixed && is_interpreted()) 62 ? fp_addr + *fp_addr // derelativize 63 : *(intptr_t**)fp_addr; 64 } 65 66 template <ChunkFrames frame_kind> 67 inline intptr_t* StackChunkFrameStream<frame_kind>::derelativize(int offset) const { 68 intptr_t* fp = this->fp(); 69 assert(fp != nullptr, ""); 70 return fp + fp[offset]; 71 } 72 73 template <ChunkFrames frame_kind> 74 inline intptr_t* StackChunkFrameStream<frame_kind>::unextended_sp_for_interpreter_frame() const { 75 assert_is_interpreted_and_frame_type_mixed(); 76 return derelativize(frame::interpreter_frame_last_sp_offset); 77 } 78 79 template <ChunkFrames frame_kind> 80 inline void StackChunkFrameStream<frame_kind>::next_for_interpreter_frame() { 81 assert_is_interpreted_and_frame_type_mixed(); 82 if (derelativize(frame::interpreter_frame_locals_offset) + 1 >= _end) { 83 _unextended_sp = _end; 84 _sp = _end; 85 } else { 86 intptr_t* fp = this->fp(); 87 _unextended_sp = fp + fp[frame::interpreter_frame_sender_sp_offset]; 88 _sp = fp + frame::sender_sp_offset; 89 } 90 } 91 92 template <ChunkFrames frame_kind> 93 inline int StackChunkFrameStream<frame_kind>::interpreter_frame_size() const { 94 assert_is_interpreted_and_frame_type_mixed(); 95 96 intptr_t* top = unextended_sp(); // later subtract argsize if callee is interpreted 97 intptr_t* bottom = derelativize(frame::interpreter_frame_locals_offset) + 1; // the sender's unextended sp: derelativize(frame::interpreter_frame_sender_sp_offset); 98 return (int)(bottom - top); 99 } 100 101 template <ChunkFrames frame_kind> 102 inline int StackChunkFrameStream<frame_kind>::interpreter_frame_stack_argsize() const { 103 assert_is_interpreted_and_frame_type_mixed(); 104 int diff = (int)(derelativize(frame::interpreter_frame_locals_offset) - derelativize(frame::interpreter_frame_sender_sp_offset) + 1); 105 return diff; 106 } 107 108 template <ChunkFrames frame_kind> 109 inline int StackChunkFrameStream<frame_kind>::interpreter_frame_num_oops() const { 110 assert_is_interpreted_and_frame_type_mixed(); 111 ResourceMark rm; 112 InterpreterOopMap mask; 113 frame f = to_frame(); 114 f.interpreted_frame_oop_map(&mask); 115 return mask.num_oops() 116 + 1 // for the mirror oop 117 + (f.interpreter_frame_method()->is_native() ? 1 : 0) // temp oop slot 118 + pointer_delta_as_int((intptr_t*)f.interpreter_frame_monitor_begin(), 119 (intptr_t*)f.interpreter_frame_monitor_end()) / BasicObjectLock::size(); 120 } 121 122 template<> 123 template<> 124 inline void StackChunkFrameStream<ChunkFrames::Mixed>::update_reg_map_pd(RegisterMap* map) { 125 if (map->update_map()) { 126 frame::update_map_with_saved_link(map, map->in_cont() ? (intptr_t**)2 : (intptr_t**)(_sp - 2)); 127 } 128 } 129 130 template<> 131 template<> 132 inline void StackChunkFrameStream<ChunkFrames::CompiledOnly>::update_reg_map_pd(RegisterMap* map) { 133 if (map->update_map()) { 134 frame::update_map_with_saved_link(map, map->in_cont() ? (intptr_t**)2 : (intptr_t**)(_sp - 2)); 135 } 136 } 137 138 template <ChunkFrames frame_kind> 139 template <typename RegisterMapT> 140 inline void StackChunkFrameStream<frame_kind>::update_reg_map_pd(RegisterMapT* map) {} 141 142 #endif // CPU_RISCV_STACKCHUNKFRAMESTREAM_RISCV_INLINE_HPP