50 lines
987 B
C
50 lines
987 B
C
#ifndef UJIT_CODEGEN_H
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#define UJIT_CODEGEN_H 1
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#include "stddef.h"
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#include "ujit_core.h"
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// Code blocks we generate code into
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extern codeblock_t *cb;
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extern codeblock_t *ocb;
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// Code generation state
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typedef struct JITState
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{
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// Block version being compiled
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block_t* block;
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// Instruction sequence this is associated with
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const rb_iseq_t *iseq;
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// Index of the current instruction being compiled
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uint32_t insn_idx;
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// Current PC
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VALUE *pc;
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} jitstate_t;
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// Code generation function signature
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typedef bool (*codegen_fn)(jitstate_t* jit, ctx_t* ctx);
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// Meta-information associated with a given opcode
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typedef struct OpDesc
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{
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// Code generation function
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codegen_fn gen_fn;
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// Indicates that this is a branch instruction
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// which terminates a block
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bool is_branch;
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} opdesc_t;
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uint8_t* ujit_entry_prologue();
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void ujit_gen_block(ctx_t* ctx, block_t* block);
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void ujit_init_codegen(void);
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#endif // #ifndef UJIT_CODEGEN_H
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