asm_xcore_cs.c

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// SPDX-FileCopyrightText: 2014-2018 pancake <pancake@nopcode.org>
// SPDX-License-Identifier: LGPL-3.0-only
 
#include <rz_asm.h>
#include <rz_lib.h>
#include <capstone/capstone.h>
 
static int disassemble(RzAsm *a, RzAsmOp *op, const ut8 *buf, int len) {
    csh handle;
    cs_insn *insn;
    int mode, n, ret = -1;
    mode = a->big_endian ? CS_MODE_BIG_ENDIAN : CS_MODE_LITTLE_ENDIAN;
    memset(op, 0, sizeof(RzAsmOp));
    op->size = 4;
    ret = cs_open(CS_ARCH_XCORE, mode, &handle);
    if (ret) {
        goto fin;
    }
    cs_option(handle, CS_OPT_DETAIL, CS_OPT_OFF);
    n = cs_disasm(handle, (ut8 *)buf, len, a->pc, 1, &insn);
    if (n < 1) {
        rz_asm_op_set_asm(op, "invalid");
        op->size = 4;
        ret = -1;
        goto beach;
    }
    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));
// TODO: remove the '$'<registername> in the string
beach:
    cs_free(insn, n);
    cs_close(&handle);
fin:
    return ret;
}
 
RzAsmPlugin rz_asm_plugin_xcore_cs = {
    .name = "xcore",
    .desc = "Capstone XCore disassembler",
    .license = "BSD",
    .author = "pancake",
    .arch = "xcore",
    .bits = 32,
    .endian = RZ_SYS_ENDIAN_LITTLE | RZ_SYS_ENDIAN_BIG,
    .disassemble = &disassemble,
};
 
#ifndef RZ_PLUGIN_INCORE
RZ_API RzLibStruct rizin_plugin = {
    .type = RZ_LIB_TYPE_ASM,
    .data = &rz_asm_plugin_xcore_cs,
    .version = RZ_VERSION
};
#endif