blob: 7041a5a0a541fae93418e31be9f2fe0f80e7adf5 (
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
|
#ifndef YJIT_CODEGEN_H
#define YJIT_CODEGEN_H 1
#include "stddef.h"
#include "yjit_core.h"
// Code blocks we generate code into
extern codeblock_t *cb;
extern codeblock_t *ocb;
// Code generation state
typedef struct JITState
{
// Block version being compiled
block_t* block;
// Instruction sequence this is associated with
const rb_iseq_t *iseq;
// Index of the current instruction being compiled
uint32_t insn_idx;
// Opcode for the instruction being compiled
int opcode;
// PC of the instruction being compiled
VALUE *pc;
// Execution context when compilation started
// This allows us to peek at run-time values
rb_execution_context_t* ec;
} jitstate_t;
typedef enum codegen_status {
YJIT_END_BLOCK,
YJIT_KEEP_COMPILING,
YJIT_CANT_COMPILE
} codegen_status_t;
// Code generation function signature
typedef codegen_status_t (*codegen_fn)(jitstate_t* jit, ctx_t* ctx);
uint8_t* yjit_entry_prologue(const rb_iseq_t* iseq);
void yjit_gen_block(block_t* block, rb_execution_context_t* ec);
void yjit_init_codegen(void);
#endif // #ifndef YJIT_CODEGEN_H
|