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/* SPDX-License-Identifier: copyleft-next-0.3.1 */

#ifndef HMMJIT_H
#define HMMJIT_H

#include <stdint.h>

typedef struct {
	char *pc;
	char *buf;
	size_t size;
} ctx_t;

typedef struct {
	void *addr;
	uintptr_t *imm;
} reloc_t;

typedef void *(*compile_callback_t)(ctx_t *, unsigned long);

#include "../lib/op_decls.h"
#include "../lib/imm_decls.h"

void *compile_fast_lio(ctx_t *ctx, unsigned long i);
void *compile_fast_lia(ctx_t *ctx, unsigned long i);
void *compile_fast_lix(ctx_t *ctx, unsigned long i);
void *compile_fast_liy(ctx_t *ctx, unsigned long i);

void *compile_fast_addio(ctx_t *ctx, unsigned long i);
void *compile_fast_addia(ctx_t *ctx, unsigned long i);
void *compile_fast_addix(ctx_t *ctx, unsigned long i);
void *compile_fast_addiy(ctx_t *ctx, unsigned long i);

void *compile_slo(ctx_t *ctx, unsigned long i);
void *compile_sla(ctx_t *ctx, unsigned long i);
void *compile_slx(ctx_t *ctx, unsigned long i);
void *compile_sly(ctx_t *ctx, unsigned long i);

/** @todo add in placeholders (for example for load immediate but we don't know
 * what the immediate is yet) */

reloc_t compile_placeholder(ctx_t *ctx, compile_callback_t call);
void compile_patch(reloc_t reloc, void *addr);

void compile_start(ctx_t *ctx);
void compile_finish(ctx_t *ctx);
void compile_destroy(ctx_t *ctx);

unsigned long run(ctx_t *ctx,
                  unsigned long a, unsigned long x, unsigned long y,
                  unsigned long o);

#endif /* HMMJIT_H */