114 inline address* ContinuationHelper::Frame::return_pc_address(const frame& f) {
115 return (address*)(f.real_fp() - 1);
116 }
117
118 inline address* ContinuationHelper::InterpretedFrame::return_pc_address(const frame& f) {
119 return (address*)(f.fp() + frame::return_addr_offset);
120 }
121
122 inline void ContinuationHelper::InterpretedFrame::patch_sender_sp(frame& f, const frame& caller) {
123 intptr_t* sp = caller.unextended_sp();
124 assert(f.is_interpreted_frame(), "");
125 intptr_t* la = f.addr_at(frame::interpreter_frame_sender_sp_offset);
126 *la = f.is_heap_frame() ? (intptr_t)(sp - f.fp()) : (intptr_t)sp;
127 }
128
129 inline address ContinuationHelper::Frame::real_pc(const frame& f) {
130 address* pc_addr = &(((address*) f.sp())[-1]);
131 return *pc_addr;
132 }
133
134 inline void ContinuationHelper::Frame::patch_pc(const frame& f, address pc) {
135 address* pc_addr = &(((address*) f.sp())[-1]);
136 *pc_addr = pc;
137 }
138
139 inline intptr_t* ContinuationHelper::InterpretedFrame::frame_top(const frame& f, InterpreterOopMap* mask) { // inclusive; this will be copied with the frame
140 // interpreter_frame_last_sp_offset, points to unextended_sp includes arguments in the frame
141 // interpreter_frame_initial_sp_offset excludes expression stack slots
142 int expression_stack_sz = expression_stack_size(f, mask);
143 intptr_t* res = (intptr_t*)f.at_relative(frame::interpreter_frame_initial_sp_offset) - expression_stack_sz;
144 assert(res == (intptr_t*)f.interpreter_frame_monitor_end() - expression_stack_sz, "");
145 assert(res >= f.unextended_sp(),
146 "res: " INTPTR_FORMAT " initial_sp: " INTPTR_FORMAT " last_sp: " INTPTR_FORMAT " unextended_sp: " INTPTR_FORMAT " expression_stack_size: %d",
147 p2i(res), p2i(f.addr_at(frame::interpreter_frame_initial_sp_offset)), f.at_relative_or_null(frame::interpreter_frame_last_sp_offset),
148 p2i(f.unextended_sp()), expression_stack_sz);
149 return res;
150 }
151
152 inline intptr_t* ContinuationHelper::InterpretedFrame::frame_bottom(const frame& f) { // exclusive; this will not be copied with the frame
153 return (intptr_t*)f.at_relative(frame::interpreter_frame_locals_offset) + 1; // exclusive, so we add 1 word
154 }
|
114 inline address* ContinuationHelper::Frame::return_pc_address(const frame& f) {
115 return (address*)(f.real_fp() - 1);
116 }
117
118 inline address* ContinuationHelper::InterpretedFrame::return_pc_address(const frame& f) {
119 return (address*)(f.fp() + frame::return_addr_offset);
120 }
121
122 inline void ContinuationHelper::InterpretedFrame::patch_sender_sp(frame& f, const frame& caller) {
123 intptr_t* sp = caller.unextended_sp();
124 assert(f.is_interpreted_frame(), "");
125 intptr_t* la = f.addr_at(frame::interpreter_frame_sender_sp_offset);
126 *la = f.is_heap_frame() ? (intptr_t)(sp - f.fp()) : (intptr_t)sp;
127 }
128
129 inline address ContinuationHelper::Frame::real_pc(const frame& f) {
130 address* pc_addr = &(((address*) f.sp())[-1]);
131 return *pc_addr;
132 }
133
134 inline void ContinuationHelper::Frame::patch_pc(const frame& f, address pc, bool callee_augmented) {
135 address* pc_addr = &(((address*) f.sp())[-1]);
136 *pc_addr = pc;
137 }
138
139 inline intptr_t* ContinuationHelper::InterpretedFrame::frame_top(const frame& f, InterpreterOopMap* mask) { // inclusive; this will be copied with the frame
140 // interpreter_frame_last_sp_offset, points to unextended_sp includes arguments in the frame
141 // interpreter_frame_initial_sp_offset excludes expression stack slots
142 int expression_stack_sz = expression_stack_size(f, mask);
143 intptr_t* res = (intptr_t*)f.at_relative(frame::interpreter_frame_initial_sp_offset) - expression_stack_sz;
144 assert(res == (intptr_t*)f.interpreter_frame_monitor_end() - expression_stack_sz, "");
145 assert(res >= f.unextended_sp(),
146 "res: " INTPTR_FORMAT " initial_sp: " INTPTR_FORMAT " last_sp: " INTPTR_FORMAT " unextended_sp: " INTPTR_FORMAT " expression_stack_size: %d",
147 p2i(res), p2i(f.addr_at(frame::interpreter_frame_initial_sp_offset)), f.at_relative_or_null(frame::interpreter_frame_last_sp_offset),
148 p2i(f.unextended_sp()), expression_stack_sz);
149 return res;
150 }
151
152 inline intptr_t* ContinuationHelper::InterpretedFrame::frame_bottom(const frame& f) { // exclusive; this will not be copied with the frame
153 return (intptr_t*)f.at_relative(frame::interpreter_frame_locals_offset) + 1; // exclusive, so we add 1 word
154 }
|