1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
/**********************************************************************
insnhelper.h - helper macros to implement each instructions
$Author$
created at: 04/01/01 15:50:34 JST
Copyright (C) 2004-2007 Koichi Sasada
**********************************************************************/
#ifndef RUBY_INSNHELPER_H
#define RUBY_INSNHELPER_H
/**
* VM Debug Level
*
* debug level:
* 0: no debug output
* 1: show instruction name
* 2: show stack frame when control stack frame is changed
* 3: show stack status
* 4: show register
* 5:
* 10: gc check
*/
#ifndef VMDEBUG
#define VMDEBUG 0
#endif
#if 0
#undef VMDEBUG
#define VMDEBUG 3
#endif
enum {
BOP_PLUS,
BOP_MINUS,
BOP_MULT,
BOP_DIV,
BOP_MOD,
BOP_EQ,
BOP_EQQ,
BOP_LT,
BOP_LE,
BOP_LTLT,
BOP_AREF,
BOP_ASET,
BOP_LENGTH,
BOP_SIZE,
BOP_SUCC,
BOP_GT,
BOP_GE,
BOP_NOT,
BOP_NEQ,
BOP_LAST_
};
extern char ruby_vm_redefined_flag[BOP_LAST_];
extern VALUE ruby_vm_const_missing_count;
/**********************************************************/
/* deal with stack */
/**********************************************************/
#define PUSH(x) (SET_SV(x), INC_SP(1))
#define TOPN(n) (*(GET_SP()-(n)-1))
#define POPN(n) (DEC_SP(n))
#define POP() (DEC_SP(1))
#define STACK_ADDR_FROM_TOP(n) (GET_SP()-(n))
#define GET_TOS() (tos) /* dummy */
/**********************************************************/
/* deal with registers */
/**********************************************************/
#define REG_CFP (reg_cfp)
#define REG_PC (REG_CFP->pc)
#define REG_SP (REG_CFP->sp)
#define REG_LFP (REG_CFP->lfp)
#define REG_DFP (REG_CFP->dfp)
#define RESTORE_REGS() do { \
REG_CFP = th->cfp; \
} while (0)
#define REG_A reg_a
#define REG_B reg_b
#ifdef COLLECT_USAGE_ANALYSIS
#define USAGE_ANALYSIS_REGISTER_HELPER(a, b, v) \
(USAGE_ANALYSIS_REGISTER((a), (b)), (v))
#else
#define USAGE_ANALYSIS_REGISTER_HELPER(a, b, v) (v)
#endif
/* PC */
#define GET_PC() (USAGE_ANALYSIS_REGISTER_HELPER(0, 0, REG_PC))
#define SET_PC(x) (REG_PC = (USAGE_ANALYSIS_REGISTER_HELPER(0, 1, (x))))
#define GET_CURRENT_INSN() (*GET_PC())
#define GET_OPERAND(n) (GET_PC()[(n)])
#define ADD_PC(n) (SET_PC(REG_PC + (n)))
#define GET_PC_COUNT() (REG_PC - GET_ISEQ()->iseq_encoded)
#define JUMP(dst) (REG_PC += (dst))
/* FP */
#define GET_CFP() (USAGE_ANALYSIS_REGISTER_HELPER(2, 0, REG_CFP))
#define GET_LFP() (USAGE_ANALYSIS_REGISTER_HELPER(3, 0, REG_LFP))
#define SET_LFP(x) (REG_LFP = (USAGE_ANALYSIS_REGISTER_HELPER(3, 1, (x))))
#define GET_DFP() (USAGE_ANALYSIS_REGISTER_HELPER(4, 0, REG_DFP))
#define SET_DFP(x) (REG_DFP = (USAGE_ANALYSIS_REGISTER_HELPER(4, 1, (x))))
/* SP */
#define GET_SP() (USAGE_ANALYSIS_REGISTER_HELPER(1, 0, REG_SP))
#define SET_SP(x) (REG_SP = (USAGE_ANALYSIS_REGISTER_HELPER(1, 1, (x))))
#define INC_SP(x) (REG_SP += (USAGE_ANALYSIS_REGISTER_HELPER(1, 1, (x))))
#define DEC_SP(x) (REG_SP -= (USAGE_ANALYSIS_REGISTER_HELPER(1, 1, (x))))
#define SET_SV(x) (*GET_SP() = (x))
/* set current stack value as x */
#define GET_SP_COUNT() (REG_SP - th->stack)
/* instruction sequence C struct */
#define GET_ISEQ() (GET_CFP()->iseq)
/**********************************************************/
/* deal with variables */
/**********************************************************/
#define GET_PREV_DFP(dfp) ((VALUE *)((dfp)[0] & ~0x03))
#define GET_GLOBAL(entry) rb_gvar_get((struct rb_global_entry*)(entry))
#define SET_GLOBAL(entry, val) rb_gvar_set((struct rb_global_entry*)(entry), (val))
#define GET_CONST_INLINE_CACHE(dst) ((IC) * (GET_PC() + (dst) + 2))
/**********************************************************/
/* deal with values */
/**********************************************************/
#define GET_SELF() (USAGE_ANALYSIS_REGISTER_HELPER(5, 0, GET_CFP()->self))
/**********************************************************/
/* deal with control flow 2: method/iterator */
/**********************************************************/
#define COPY_CREF(c1, c2) do { \
NODE *__tmp_c2 = (c2); \
(c1)->nd_clss = __tmp_c2->nd_clss; \
(c1)->nd_visi = __tmp_c2->nd_visi;\
(c1)->nd_next = __tmp_c2->nd_next; \
if (__tmp_c2->flags & NODE_FL_CREF_PUSHED_BY_EVAL) { \
(c1)->flags |= NODE_FL_CREF_PUSHED_BY_EVAL; \
} \
} while (0)
#define CALL_METHOD(num, blockptr, flag, id, me, recv) do { \
VALUE v = vm_call_method(th, GET_CFP(), (num), (blockptr), (flag), (id), (me), (recv)); \
if (v == Qundef) { \
RESTORE_REGS(); \
NEXT_INSN(); \
} \
else { \
val = v; \
} \
} while (0)
#define GET_BLOCK_PTR() \
((rb_block_t *)(GC_GUARDED_PTR_REF(GET_LFP()[0] & \
((GET_LFP()[0] & 0x02) - 0x02))))
/**********************************************************/
/* deal with control flow 3: exception */
/**********************************************************/
/**********************************************************/
/* others */
/**********************************************************/
/* optimize insn */
#define FIXNUM_REDEFINED_OP_FLAG (1 << 0)
#define FLOAT_REDEFINED_OP_FLAG (1 << 1)
#define STRING_REDEFINED_OP_FLAG (1 << 2)
#define ARRAY_REDEFINED_OP_FLAG (1 << 3)
#define HASH_REDEFINED_OP_FLAG (1 << 4)
#define BIGNUM_REDEFINED_OP_FLAG (1 << 5)
#define SYMBOL_REDEFINED_OP_FLAG (1 << 6)
#define TIME_REDEFINED_OP_FLAG (1 << 7)
#define FIXNUM_2_P(a, b) ((a) & (b) & 1)
#define BASIC_OP_UNREDEFINED_P(op, klass) (LIKELY((ruby_vm_redefined_flag[(op)]&(klass)) == 0))
#define HEAP_CLASS_OF(obj) RBASIC(obj)->klass
#ifndef USE_IC_FOR_SPECIALIZED_METHOD
#define USE_IC_FOR_SPECIALIZED_METHOD 1
#endif
#if USE_IC_FOR_SPECIALIZED_METHOD
#define CALL_SIMPLE_METHOD(num, id, recv) do { \
VALUE klass = CLASS_OF(recv); \
CALL_METHOD((num), 0, 0, (id), vm_method_search((id), klass, ic), (recv)); \
} while (0)
#else
#define CALL_SIMPLE_METHOD(num, id, recv) do { \
VALUE klass = CLASS_OF(recv); \
CALL_METHOD((num), 0, 0, (id), rb_method_entry(klass, (id)), (recv)); \
} while (0)
#endif
static VALUE ruby_vm_global_state_version = 1;
#define GET_VM_STATE_VERSION() (ruby_vm_global_state_version)
#define INC_VM_STATE_VERSION() do { \
ruby_vm_global_state_version = (ruby_vm_global_state_version + 1); \
if (ruby_vm_global_state_version == 0) vm_clear_all_cache(); \
} while (0)
static void vm_clear_all_cache(void);
#endif /* RUBY_INSNHELPER_H */
|
