asm_sparc_cs.c

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// SPDX-FileCopyrightText: 2014-2017 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"
 
static int disassemble(RzAsm *a, RzAsmOp *op, const ut8 *buf, int len) {
    cs_insn *insn;
    int n = -1, ret = -1;
    int mode = CS_MODE_BIG_ENDIAN;
    if (a->cpu && *a->cpu) {
        if (!strcmp(a->cpu, "v9")) {
            mode |= CS_MODE_V9;
        }
    }
    if (op) {
        memset(op, 0, sizeof(RzAsmOp));
        op->size = 4;
    }
    if (cd != 0) {
        cs_close(&cd);
    }
    ret = cs_open(CS_ARCH_SPARC, mode, &cd);
    if (ret) {
        goto fin;
    }
    cs_option(cd, CS_OPT_DETAIL, CS_OPT_OFF);
    if (!op) {
        return 0;
    }
    if (a->big_endian) {
        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;
    char *buf_asm = sdb_fmt("%s%s%s",
        insn->mnemonic, insn->op_str[0] ? " " : "",
        insn->op_str);
    rz_str_replace_char(buf_asm, '%', 0);
    rz_asm_op_set_asm(op, buf_asm);
    // TODO: remove the '$'<registername> in the string
    cs_free(insn, n);
beach:
// cs_close (&cd);
fin:
    return ret;
}
 
RzAsmPlugin rz_asm_plugin_sparc_cs = {
    .name = "sparc",
    .desc = "Capstone SPARC disassembler",
    .license = "BSD",
    .arch = "sparc",
    .cpus = "v9",
    .bits = 32 | 64,
    .endian = RZ_SYS_ENDIAN_BIG | RZ_SYS_ENDIAN_LITTLE,
    .disassemble = &disassemble,
    .mnemonics = mnemonics
};
 
#ifndef RZ_PLUGIN_INCORE
RZ_API RzLibStruct rizin_plugin = {
    .type = RZ_LIB_TYPE_ASM,
    .data = &rz_asm_plugin_sparc_cs,
    .version = RZ_VERSION
};
#endif