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comparison src/cpu/ppc/vm/frame_ppc.hpp @ 14684:e5e8aa897002

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8035647: PPC64: Support for elf v2 abi. Summary: ELFv2 ABI used by the little endian PowerPC64 on Linux. Reviewed-by: kvn Contributed-by: asmundak@google.com
author goetz
date Thu, 06 Mar 2014 10:55:28 -0800
parents 67fa91961822
children 58cf34613a72
comparison
equal deleted inserted replaced
14682:84eafecdb9a9 14684:e5e8aa897002
48 // [C_FRAME] <-- SP before prolog 48 // [C_FRAME] <-- SP before prolog
49 // ... 49 // ...
50 // [C_FRAME] 50 // [C_FRAME]
51 // 51 //
52 // C_FRAME: 52 // C_FRAME:
53 // 0 [ABI_112] 53 // 0 [ABI_REG_ARGS]
54 // 112 CARG_9: outgoing arg 9 (arg_1 ... arg_8 via gpr_3 ... gpr_{10}) 54 // 112 CARG_9: outgoing arg 9 (arg_1 ... arg_8 via gpr_3 ... gpr_{10})
55 // ... 55 // ...
56 // 40+M*8 CARG_M: outgoing arg M (M is the maximum of outgoing args taken over all call sites in the procedure) 56 // 40+M*8 CARG_M: outgoing arg M (M is the maximum of outgoing args taken over all call sites in the procedure)
57 // local 1 57 // local 1
58 // ... 58 // ...
75 // 16 space for link register (LR) for next call 75 // 16 space for link register (LR) for next call
76 // 24 reserved 76 // 24 reserved
77 // 32 reserved 77 // 32 reserved
78 // 40 space for TOC (=R2) register for next call 78 // 40 space for TOC (=R2) register for next call
79 // 79 //
80 // ABI_112: 80 // ABI_REG_ARGS:
81 // 0 [ABI_48] 81 // 0 [ABI_48]
82 // 48 CARG_1: spill slot for outgoing arg 1. used by next callee. 82 // 48 CARG_1: spill slot for outgoing arg 1. used by next callee.
83 // ... ... 83 // ... ...
84 // 104 CARG_8: spill slot for outgoing arg 8. used by next callee. 84 // 104 CARG_8: spill slot for outgoing arg 8. used by next callee.
85 // 85 //
93 alignment_in_bytes = 16, 93 alignment_in_bytes = 16,
94 // log_2(16*8 bits) = 7. 94 // log_2(16*8 bits) = 7.
95 log_2_of_alignment_in_bits = 7 95 log_2_of_alignment_in_bits = 7
96 }; 96 };
97 97
98 // ABI_48: 98 // ABI_MINFRAME:
99 struct abi_48 { 99 struct abi_minframe {
100 uint64_t callers_sp; 100 uint64_t callers_sp;
101 uint64_t cr; //_16 101 uint64_t cr; //_16
102 uint64_t lr; 102 uint64_t lr;
103 #if !defined(ABI_ELFv2)
103 uint64_t reserved1; //_16 104 uint64_t reserved1; //_16
104 uint64_t reserved2; 105 uint64_t reserved2;
106 #endif
105 uint64_t toc; //_16 107 uint64_t toc; //_16
106 // nothing to add here! 108 // nothing to add here!
107 // aligned to frame::alignment_in_bytes (16) 109 // aligned to frame::alignment_in_bytes (16)
108 }; 110 };
109 111
110 enum { 112 enum {
111 abi_48_size = sizeof(abi_48) 113 abi_minframe_size = sizeof(abi_minframe)
112 }; 114 };
113 115
114 struct abi_112 : abi_48 { 116 struct abi_reg_args : abi_minframe {
115 uint64_t carg_1; 117 uint64_t carg_1;
116 uint64_t carg_2; //_16 118 uint64_t carg_2; //_16
117 uint64_t carg_3; 119 uint64_t carg_3;
118 uint64_t carg_4; //_16 120 uint64_t carg_4; //_16
119 uint64_t carg_5; 121 uint64_t carg_5;
122 uint64_t carg_8; //_16 124 uint64_t carg_8; //_16
123 // aligned to frame::alignment_in_bytes (16) 125 // aligned to frame::alignment_in_bytes (16)
124 }; 126 };
125 127
126 enum { 128 enum {
127 abi_112_size = sizeof(abi_112) 129 abi_reg_args_size = sizeof(abi_reg_args)
128 }; 130 };
129 131
130 #define _abi(_component) \ 132 #define _abi(_component) \
131 (offset_of(frame::abi_112, _component)) 133 (offset_of(frame::abi_reg_args, _component))
132 134
133 struct abi_112_spill : abi_112 { 135 struct abi_reg_args_spill : abi_reg_args {
134 // additional spill slots 136 // additional spill slots
135 uint64_t spill_ret; 137 uint64_t spill_ret;
136 uint64_t spill_fret; //_16 138 uint64_t spill_fret; //_16
137 // aligned to frame::alignment_in_bytes (16) 139 // aligned to frame::alignment_in_bytes (16)
138 }; 140 };
139 141
140 enum { 142 enum {
141 abi_112_spill_size = sizeof(abi_112_spill) 143 abi_reg_args_spill_size = sizeof(abi_reg_args_spill)
142 }; 144 };
143 145
144 #define _abi_112_spill(_component) \ 146 #define _abi_reg_args_spill(_component) \
145 (offset_of(frame::abi_112_spill, _component)) 147 (offset_of(frame::abi_reg_args_spill, _component))
146 148
147 // non-volatile GPRs: 149 // non-volatile GPRs:
148 150
149 struct spill_nonvolatiles { 151 struct spill_nonvolatiles {
150 uint64_t r14; 152 uint64_t r14;
240 // [callee's locals w/o arguments] 242 // [callee's locals w/o arguments]
241 // [outgoing arguments] 243 // [outgoing arguments]
242 // [ENTRY_FRAME_LOCALS] 244 // [ENTRY_FRAME_LOCALS]
243 // 245 //
244 // PARENT_IJAVA_FRAME_ABI: 246 // PARENT_IJAVA_FRAME_ABI:
245 // 0 [ABI_48] 247 // 0 [ABI_MINFRAME]
246 // top_frame_sp 248 // top_frame_sp
247 // initial_caller_sp 249 // initial_caller_sp
248 // 250 //
249 // TOP_IJAVA_FRAME_ABI: 251 // TOP_IJAVA_FRAME_ABI:
250 // 0 [PARENT_IJAVA_FRAME_ABI] 252 // 0 [PARENT_IJAVA_FRAME_ABI]
256 // frame_manager_lr 258 // frame_manager_lr
257 // 259 //
258 260
259 // PARENT_IJAVA_FRAME_ABI 261 // PARENT_IJAVA_FRAME_ABI
260 262
261 struct parent_ijava_frame_abi : abi_48 { 263 struct parent_ijava_frame_abi : abi_minframe {
262 // SOE registers. 264 // SOE registers.
263 // C2i adapters spill their top-frame stack-pointer here. 265 // C2i adapters spill their top-frame stack-pointer here.
264 uint64_t top_frame_sp; // carg_1 266 uint64_t top_frame_sp; // carg_1
265 // Sp of calling compiled frame before it was resized by the c2i 267 // Sp of calling compiled frame before it was resized by the c2i
266 // adapter or sp of call stub. Does not contain a valid value for 268 // adapter or sp of call stub. Does not contain a valid value for
283 uint64_t card_4_unused; //_16 carg_4 285 uint64_t card_4_unused; //_16 carg_4
284 uint64_t carg_5_unused; // carg_5 286 uint64_t carg_5_unused; // carg_5
285 uint64_t carg_6_unused; //_16 carg_6 287 uint64_t carg_6_unused; //_16 carg_6
286 uint64_t carg_7_unused; // carg_7 288 uint64_t carg_7_unused; // carg_7
287 // Use arg8 for storing frame_manager_lr. The size of 289 // Use arg8 for storing frame_manager_lr. The size of
288 // top_ijava_frame_abi must match abi_112. 290 // top_ijava_frame_abi must match abi_reg_args.
289 uint64_t frame_manager_lr; //_16 carg_8 291 uint64_t frame_manager_lr; //_16 carg_8
290 // nothing to add here! 292 // nothing to add here!
291 // aligned to frame::alignment_in_bytes (16) 293 // aligned to frame::alignment_in_bytes (16)
292 }; 294 };
293 295
393 395
394 // Accessors for fields 396 // Accessors for fields
395 intptr_t* fp() const { return _fp; } 397 intptr_t* fp() const { return _fp; }
396 398
397 // Accessors for ABIs 399 // Accessors for ABIs
398 inline abi_48* own_abi() const { return (abi_48*) _sp; } 400 inline abi_minframe* own_abi() const { return (abi_minframe*) _sp; }
399 inline abi_48* callers_abi() const { return (abi_48*) _fp; } 401 inline abi_minframe* callers_abi() const { return (abi_minframe*) _fp; }
400 402
401 private: 403 private:
402 404
403 // Find codeblob and set deopt_state. 405 // Find codeblob and set deopt_state.
404 inline void find_codeblob_and_set_pc_and_deopt_state(address pc); 406 inline void find_codeblob_and_set_pc_and_deopt_state(address pc);