23 */
24
25 #ifndef CPU_X86_VM_FRAME_X86_HPP
26 #define CPU_X86_VM_FRAME_X86_HPP
27
28 #include "runtime/synchronizer.hpp"
29 #include "utilities/top.hpp"
30
31 // A frame represents a physical stack frame (an activation). Frames can be
32 // C or Java frames, and the Java frames can be interpreted or compiled.
33 // In contrast, vframes represent source-level activations, so that one physical frame
34 // can correspond to multiple source level frames because of inlining.
35 // A frame is comprised of {pc, fp, sp}
36 // ------------------------------ Asm interpreter ----------------------------------------
37 // Layout of asm interpreter frame:
38 // [expression stack ] * <- sp
39 // [monitors ] \
40 // ... | monitor block size
41 // [monitors ] /
42 // [monitor block size ]
43 // [byte code index/pointr] = bcx() bcx_offset
44 // [pointer to locals ] = locals() locals_offset
45 // [constant pool cache ] = cache() cache_offset
46 // [methodData ] = mdp() mdx_offset
47 // [Method* ] = method() method_offset
48 // [last sp ] = last_sp() last_sp_offset
49 // [old stack pointer ] (sender_sp) sender_sp_offset
50 // [old frame pointer ] <- fp = link()
51 // [return pc ]
52 // [oop temp ] (only for native calls)
53 // [locals and parameters ]
54 // <- sender sp
55 // ------------------------------ Asm interpreter ----------------------------------------
56
57 // ------------------------------ C++ interpreter ----------------------------------------
58 //
59 // Layout of C++ interpreter frame: (While executing in BytecodeInterpreter::run)
60 //
61 // <- SP (current esp/rsp)
62 // [local variables ] BytecodeInterpreter::run local variables
63 // ... BytecodeInterpreter::run local variables
94
95 public:
96 enum {
97 pc_return_offset = 0,
98 // All frames
99 link_offset = 0,
100 return_addr_offset = 1,
101 // non-interpreter frames
102 sender_sp_offset = 2,
103
104 #ifndef CC_INTERP
105
106 // Interpreter frames
107 interpreter_frame_result_handler_offset = 3, // for native calls only
108 interpreter_frame_oop_temp_offset = 2, // for native calls only
109
110 interpreter_frame_sender_sp_offset = -1,
111 // outgoing sp before a call to an invoked method
112 interpreter_frame_last_sp_offset = interpreter_frame_sender_sp_offset - 1,
113 interpreter_frame_method_offset = interpreter_frame_last_sp_offset - 1,
114 interpreter_frame_mdx_offset = interpreter_frame_method_offset - 1,
115 interpreter_frame_cache_offset = interpreter_frame_mdx_offset - 1,
116 interpreter_frame_locals_offset = interpreter_frame_cache_offset - 1,
117 interpreter_frame_bcx_offset = interpreter_frame_locals_offset - 1,
118 interpreter_frame_initial_sp_offset = interpreter_frame_bcx_offset - 1,
119
120 interpreter_frame_monitor_block_top_offset = interpreter_frame_initial_sp_offset,
121 interpreter_frame_monitor_block_bottom_offset = interpreter_frame_initial_sp_offset,
122
123 #endif // CC_INTERP
124
125 // Entry frames
126 #ifdef AMD64
127 #ifdef _WIN64
128 entry_frame_after_call_words = 28,
129 entry_frame_call_wrapper_offset = 2,
130
131 arg_reg_save_area_bytes = 32, // Register argument save area
132 #else
133 entry_frame_after_call_words = 13,
134 entry_frame_call_wrapper_offset = -6,
135
136 arg_reg_save_area_bytes = 0,
137 #endif // _WIN64
138 #else
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23 */
24
25 #ifndef CPU_X86_VM_FRAME_X86_HPP
26 #define CPU_X86_VM_FRAME_X86_HPP
27
28 #include "runtime/synchronizer.hpp"
29 #include "utilities/top.hpp"
30
31 // A frame represents a physical stack frame (an activation). Frames can be
32 // C or Java frames, and the Java frames can be interpreted or compiled.
33 // In contrast, vframes represent source-level activations, so that one physical frame
34 // can correspond to multiple source level frames because of inlining.
35 // A frame is comprised of {pc, fp, sp}
36 // ------------------------------ Asm interpreter ----------------------------------------
37 // Layout of asm interpreter frame:
38 // [expression stack ] * <- sp
39 // [monitors ] \
40 // ... | monitor block size
41 // [monitors ] /
42 // [monitor block size ]
43 // [byte code pointer ] = bcp() bcp_offset
44 // [pointer to locals ] = locals() locals_offset
45 // [constant pool cache ] = cache() cache_offset
46 // [methodData ] = mdp() mdx_offset
47 // [Method* ] = method() method_offset
48 // [last sp ] = last_sp() last_sp_offset
49 // [old stack pointer ] (sender_sp) sender_sp_offset
50 // [old frame pointer ] <- fp = link()
51 // [return pc ]
52 // [oop temp ] (only for native calls)
53 // [locals and parameters ]
54 // <- sender sp
55 // ------------------------------ Asm interpreter ----------------------------------------
56
57 // ------------------------------ C++ interpreter ----------------------------------------
58 //
59 // Layout of C++ interpreter frame: (While executing in BytecodeInterpreter::run)
60 //
61 // <- SP (current esp/rsp)
62 // [local variables ] BytecodeInterpreter::run local variables
63 // ... BytecodeInterpreter::run local variables
94
95 public:
96 enum {
97 pc_return_offset = 0,
98 // All frames
99 link_offset = 0,
100 return_addr_offset = 1,
101 // non-interpreter frames
102 sender_sp_offset = 2,
103
104 #ifndef CC_INTERP
105
106 // Interpreter frames
107 interpreter_frame_result_handler_offset = 3, // for native calls only
108 interpreter_frame_oop_temp_offset = 2, // for native calls only
109
110 interpreter_frame_sender_sp_offset = -1,
111 // outgoing sp before a call to an invoked method
112 interpreter_frame_last_sp_offset = interpreter_frame_sender_sp_offset - 1,
113 interpreter_frame_method_offset = interpreter_frame_last_sp_offset - 1,
114 interpreter_frame_mdp_offset = interpreter_frame_method_offset - 1,
115 interpreter_frame_cache_offset = interpreter_frame_mdp_offset - 1,
116 interpreter_frame_locals_offset = interpreter_frame_cache_offset - 1,
117 interpreter_frame_bcp_offset = interpreter_frame_locals_offset - 1,
118 interpreter_frame_initial_sp_offset = interpreter_frame_bcp_offset - 1,
119
120 interpreter_frame_monitor_block_top_offset = interpreter_frame_initial_sp_offset,
121 interpreter_frame_monitor_block_bottom_offset = interpreter_frame_initial_sp_offset,
122
123 #endif // CC_INTERP
124
125 // Entry frames
126 #ifdef AMD64
127 #ifdef _WIN64
128 entry_frame_after_call_words = 28,
129 entry_frame_call_wrapper_offset = 2,
130
131 arg_reg_save_area_bytes = 32, // Register argument save area
132 #else
133 entry_frame_after_call_words = 13,
134 entry_frame_call_wrapper_offset = -6,
135
136 arg_reg_save_area_bytes = 0,
137 #endif // _WIN64
138 #else
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