asm_sh.c

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// SPDX-FileCopyrightText: 2010-2011 eloi <limited-entropy.com>
// SPDX-FileCopyrightText: 2022 Dhruv Maroo <dhruvmaru007@gmail.com>
// SPDX-License-Identifier: LGPL-3.0-only
 
#include <rz_lib.h>
#include <rz_util.h>
#include <rz_asm.h>
#include "../arch/sh/disassembler.h"
#include "../arch/sh/assembler.h"
 
static int disassemble(RzAsm *a, RzAsmOp *op, const ut8 *buf, int len) {
    SHOp *dis_op = sh_disassembler(rz_read_ble16(buf, a->big_endian));
    op->size = 2;
    if (!dis_op) {
        rz_strbuf_set(&op->buf_asm, "invalid");
    } else {
        char *disasm = sh_op_to_str(dis_op, a->pc);
        rz_strbuf_set(&op->buf_asm, disasm);
        free(disasm);
    }
    RZ_FREE(dis_op);
    return op->size;
}
 
static int assemble(RzAsm *a, RzAsmOp *ao, const char *str) {
    bool success;
    ut16 opcode = sh_assembler(str, a->pc, &success);
    if (!success) {
        return -1;
    }
 
    ut8 buffer[2];
    rz_write_ble16(buffer, opcode, a->big_endian);
    rz_strbuf_setbin(&ao->buf, buffer, 2);
    return 2;
}
 
RzAsmPlugin rz_asm_plugin_sh = {
    .name = "sh",
    .arch = "sh",
    .author = "DMaroo",
    .license = "LGPL3",
    .bits = 32,
    .endian = RZ_SYS_ENDIAN_LITTLE | RZ_SYS_ENDIAN_BIG,
    .desc = "SuperH-4 CPU",
    .disassemble = &disassemble,
    .assemble = &assemble
};
 
#ifndef RZ_PLUGIN_INCORE
RZ_API RzLibStruct rizin_plugin = {
    .type = RZ_LIB_TYPE_ASM,
    .data = &rz_asm_plugin_sh,
    .version = RZ_VERSION
};
#endif