blob: da7905442025f59dacd0b070b3f09c218b9b29ac (
plain)
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
|
// This file is parsed by tool/mjit/generate.rb for MJIT's C/Ruby interop.
#ifndef MJIT_COMPILER_H
#define MJIT_COMPILER_H
#include "ruby/internal/config.h"
#include "vm_core.h"
#include "vm_callinfo.h"
#include "builtin.h"
#include "mjit.h"
#include "mjit_unit.h"
// Macros to check if a position is already compiled using compile_status.stack_size_for_pos
#define NOT_COMPILED_STACK_SIZE -1
#define ALREADY_COMPILED_P(status, pos) (status->stack_size_for_pos[pos] != NOT_COMPILED_STACK_SIZE)
// Storage to keep data which is consistent in each conditional branch.
// This is created and used for one `compile_insns` call and its values
// should be copied for extra `compile_insns` call.
struct compile_branch {
unsigned int stack_size; // this simulates sp (stack pointer) of YARV
bool finish_p; // if true, compilation in this branch should stop and let another branch to be compiled
};
// For propagating information needed for lazily pushing a frame.
struct inlined_call_context {
int orig_argc; // ci->orig_argc
VALUE me; // vm_cc_cme(cc)
int param_size; // def_iseq_ptr(vm_cc_cme(cc)->def)->body->param.size
int local_size; // def_iseq_ptr(vm_cc_cme(cc)->def)->body->local_table_size
};
// Storage to keep compiler's status. This should have information
// which is global during one `mjit_compile` call. Ones conditional
// in each branch should be stored in `compile_branch`.
struct compile_status {
bool success; // has true if compilation has had no issue
int *stack_size_for_pos; // stack_size_for_pos[pos] has stack size for the position (otherwise -1)
// If true, JIT-ed code will use local variables to store pushed values instead of
// using VM's stack and moving stack pointer.
bool local_stack_p;
// Safely-accessible ivar cache entries copied from main thread.
union iseq_inline_storage_entry *is_entries;
// Index of call cache entries captured to compiled_iseq to be marked on GC
int cc_entries_index;
// A pointer to root (i.e. not inlined) iseq being compiled.
const struct rb_iseq_constant_body *compiled_iseq;
int compiled_id; // Just a copy of compiled_iseq->jit_unit->id
// Mutated optimization levels
struct rb_mjit_compile_info *compile_info;
bool merge_ivar_guards_p; // If true, merge guards of ivar accesses
rb_serial_t ivar_serial; // ic_serial of IVC in is_entries (used only when merge_ivar_guards_p)
size_t max_ivar_index; // Max IVC index in is_entries (used only when merge_ivar_guards_p)
// If `inlined_iseqs[pos]` is not NULL, `mjit_compile_body` tries to inline ISeq there.
const struct rb_iseq_constant_body **inlined_iseqs;
struct inlined_call_context inline_context;
};
#endif /* MJIT_COMPILER_H */
|
