-
Notifications
You must be signed in to change notification settings - Fork 610
/
call_frame.hpp
274 lines (211 loc) · 5.38 KB
/
call_frame.hpp
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
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
#ifndef RBX_CALL_FRAME_HPP
#define RBX_CALL_FRAME_HPP
#include "machine_code.hpp"
#include "unwind_info.hpp"
#include "stack_variables.hpp"
#include "builtin/variable_scope.hpp"
#include "dispatch.hpp"
#include "arguments.hpp"
#include <ostream>
#ifdef ENABLE_LLVM
#include "llvm/jit_runtime.hpp"
#endif
namespace rubinius {
class Object;
class Symbol;
class Module;
class VariableScope;
class NativeMethodFrame;
namespace jit {
class RuntimeData;
class RuntimeDataHolder;
}
struct CallFrame {
enum Flags {
cIsLambda = 1 << 0,
cCustomConstantScope = 1 << 1,
cMultipleScopes = 1 << 2,
cInlineFrame = 1 << 3,
cClosedScope = 1 << 4,
cBlockAsMethod = 1 << 5,
cJITed = 1 << 6,
cBlock = 1 << 7,
cInlineBlock = 1 << 8,
cNativeMethod = 1 << 9
};
CallFrame* previous;
ConstantScope* constant_scope_;
void* dispatch_data;
CompiledCode* compiled_code;
int flags;
int ip_;
void* optional_jit_data;
VariableScope* top_scope_;
StackVariables* scope;
Arguments* arguments;
// Stack
Object* stk[];
// ACCESS
int ip() {
return ip_;
}
bool block_as_method_p() {
return flags & cBlockAsMethod;
}
BlockEnvironment* block_env() {
if(block_p()) {
return reinterpret_cast<BlockEnvironment*>(dispatch_data);
}
return NULL;
}
void set_block_env(BlockEnvironment* env) {
if(block_p()) {
dispatch_data = reinterpret_cast<void*>(env);
}
}
#ifdef ENABLE_LLVM
Symbol* name() {
if(inline_method_p() && dispatch_data) {
return reinterpret_cast<jit::RuntimeData*>(dispatch_data)->name();
} else if(block_p()) {
return reinterpret_cast<Symbol*>(cNil);
} else if(arguments) {
return arguments->name();
}
return reinterpret_cast<Symbol*>(cNil);
}
#else
Symbol* name() {
if(arguments && !block_p()) {
return arguments->name();
}
return reinterpret_cast<Symbol*>(cNil);
}
#endif
#ifdef ENABLE_LLVM
jit::RuntimeData* runtime_data() {
if(dispatch_data) {
if(inline_method_p()) {
return reinterpret_cast<jit::RuntimeData*>(dispatch_data);
}
}
return NULL;
}
jit::RuntimeDataHolder* jit_data() {
if(jitted_p()) {
return reinterpret_cast<jit::RuntimeDataHolder*>(optional_jit_data);
}
return NULL;
}
#else
jit::RuntimeData* runtime_data() {
return NULL;
}
jit::RuntimeDataHolder* jit_data() {
return NULL;
}
#endif
Symbol* original_name() {
return compiled_code->name();
}
bool custom_constant_scope_p() {
return flags & cCustomConstantScope;
}
bool inline_method_p() {
return flags & cInlineFrame;
}
bool jitted_p() {
return flags & cJITed;
}
bool block_p() {
return flags & cBlock;
}
ConstantScope* constant_scope() {
if(custom_constant_scope_p()) return constant_scope_;
return compiled_code->scope();
}
bool is_block_p(STATE) {
return block_p();
}
Object* self() {
return scope->self();
}
bool multiple_scopes_p() {
return flags & cMultipleScopes;
}
VariableScope* top_scope(STATE) {
if(multiple_scopes_p()) return top_scope_;
return promote_scope(state);
}
bool is_inline_frame() {
return flags & cInlineFrame;
}
bool is_inline_block() {
return flags & cInlineBlock;
}
bool has_closed_scope_p() {
return flags & cClosedScope;
}
bool native_method_p() {
return flags & cNativeMethod;
}
NativeMethodFrame* native_method_frame() {
if(native_method_p()) return (NativeMethodFrame*)dispatch_data;
return 0;
}
CallFrame* top_ruby_frame() {
// Skip over any native method frames.
CallFrame* cf = this;
while(cf->native_method_p()) {
cf = cf->previous;
}
return cf;
}
Object* last_match(STATE);
void set_last_match(STATE, Object* obj);
Module* module() {
return scope->module();
}
void set_ip(int new_ip) {
ip_ = new_ip;
}
int dec_ip() {
return ip_--;
}
int inc_ip() {
return ip_++;
}
void calculate_ip(void** pos) {
ip_ = pos - compiled_code->machine_code()->addresses;
}
VariableScope* promote_scope_full(STATE);
VariableScope* promote_scope(STATE) {
if(!scope) rubinius::bug("bad CallFrame to promote");
if(VariableScope* vs = scope->on_heap()) return vs;
return promote_scope_full(state);
}
VariableScope* method_scope(STATE);
void print_backtrace(STATE, int count=0);
void print_backtrace(STATE, std::ostream& stream, int count=0);
int line(STATE);
bool scope_still_valid(VariableScope* scope);
void dump();
Object* find_breakpoint(STATE);
};
class InterpreterCallFrame : public CallFrame {
public:
// Methods
/**
* Initialize frame for the given stack size.
*/
void prepare(int stack) {
ip_ = 0;
for(int i = 0; i < stack; i++) {
stk[i] = cNil;
}
}
};
#define ALLOCA_CALLFRAME(stack_size) \
(InterpreterCallFrame*)alloca(sizeof(InterpreterCallFrame) + (sizeof(Object*) * stack_size))
};
#endif