asm_tms320c64x.c

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// SPDX-FileCopyrightText: 2017-2018 pancake <pancake@nopcode.org>
// SPDX-License-Identifier: LGPL-3.0-only
 
#include <rz_asm.h>
#include <rz_lib.h>
#include <capstone/capstone.h>
static csh cd = 0;
#include "cs_mnemonics.c"
 
#ifdef CAPSTONE_TMS320C64X_H
#define CAPSTONE_HAS_TMS320C64X 1
#else
#define CAPSTONE_HAS_TMS320C64X 0
#warning Cannot find capstone-tms320c64x support
#endif
 
#if CAPSTONE_HAS_TMS320C64X
 
static int disassemble(RzAsm *a, RzAsmOp *op, const ut8 *buf, int len) {
    cs_insn *insn;
    int n = -1, ret = -1;
    int mode = 0;
    if (op) {
        memset(op, 0, sizeof(RzAsmOp));
        op->size = 4;
    }
    if (cd != 0) {
        cs_close(&cd);
    }
    ret = cs_open(CS_ARCH_TMS320C64X, mode, &cd);
    if (ret) {
        goto fin;
    }
    cs_option(cd, CS_OPT_DETAIL, CS_OPT_OFF);
    if (!op) {
        return 0;
    }
    n = cs_disasm(cd, buf, len, a->pc, 1, &insn);
    if (n < 1) {
        rz_asm_op_set_asm(op, "invalid");
        op->size = 4;
        ret = -1;
        goto beach;
    } else {
        ret = 4;
    }
    if (insn->size < 1) {
        goto beach;
    }
    op->size = insn->size;
    rz_asm_op_set_asm(op, sdb_fmt("%s%s%s", insn->mnemonic, insn->op_str[0] ? " " : "", insn->op_str));
    rz_str_replace_char(rz_strbuf_get(&op->buf_asm), '%', 0);
    rz_str_case(rz_strbuf_get(&op->buf_asm), false);
    cs_free(insn, n);
beach:
// cs_close (&cd);
fin:
    return ret;
}
 
RzAsmPlugin rz_asm_plugin_tms320c64x = {
    .name = "tms320c64x",
    .desc = "Capstone TMS320c64x disassembler",
    .license = "BSD",
    .arch = "tms320c64x",
    .bits = 32,
    .endian = RZ_SYS_ENDIAN_BIG | RZ_SYS_ENDIAN_LITTLE,
    .disassemble = &disassemble,
    .mnemonics = mnemonics
};
 
#else
 
RzAsmPlugin rz_asm_plugin_tms320c64x = {
    .name = "tms320c64x",
    .desc = "Capstone TMS320c64x disassembler (unsupported)",
    .license = "BSD",
    .arch = "tms320c64x",
    .bits = 32,
    .endian = RZ_SYS_ENDIAN_LITTLE,
    .mnemonics = mnemonics
};
 
#endif
 
#ifndef RZ_PLUGIN_INCORE
RZ_API RzLibStruct rizin_plugin = {
    .type = RZ_LIB_TYPE_ASM,
    .data = &rz_asm_plugin_tms320c64x,
    .version = RZ_VERSION
};
#endif