97 lines
2.1 KiB
C
97 lines
2.1 KiB
C
// SPDX-FileCopyrightText: 2014-2017 pancake <pancake@nopcode.org>
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// SPDX-License-Identifier: LGPL-3.0-only
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#include <rz_asm.h>
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#include <rz_lib.h>
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#include "cs_helper.h"
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CAPSTONE_DEFINE_PLUGIN_FUNCTIONS(sparc_asm);
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static int sparc_disassemble(RzAsm *a, RzAsmOp *op, const ut8 *buf, int len) {
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CapstoneContext *ctx = (CapstoneContext *)a->plugin_data;
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cs_insn *insn;
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int n = -1, ret = -1;
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int mode = CS_MODE_BIG_ENDIAN;
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if (a->cpu && *a->cpu) {
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if (!strcmp(a->cpu, "v9")) {
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mode |= CS_MODE_V9;
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}
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}
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if (op) {
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memset(op, 0, sizeof(RzAsmOp));
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op->size = 4;
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}
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if (ctx->omode != mode) {
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cs_close(&ctx->handle);
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ctx->omode = -1;
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}
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if (!ctx->handle) {
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ret = cs_open(CS_ARCH_SPARC, mode, &ctx->handle);
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if (ret) {
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goto fin;
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}
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ctx->omode = mode;
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cs_option(ctx->handle, CS_OPT_DETAIL, CS_OPT_OFF);
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}
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if (!op) {
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return 0;
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}
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if (a->big_endian) {
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n = cs_disasm(ctx->handle, buf, len, a->pc, 1, &insn);
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}
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if (n < 1) {
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rz_asm_op_set_asm(op, "invalid");
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op->size = 4;
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ret = -1;
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goto fin;
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} else {
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ret = 4;
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}
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if (insn->size < 1) {
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goto fin;
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}
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op->size = insn->size;
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rz_asm_op_setf_asm(op, "%s%s%s",
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insn->mnemonic, insn->op_str[0] ? " " : "",
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insn->op_str);
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char *buf_asm = rz_asm_op_get_asm(op);
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if (buf_asm) {
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rz_str_replace_char(buf_asm, '%', 0);
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// TODO: remove the '$'<registername> in the string
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}
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cs_free(insn, n);
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fin:
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return ret;
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}
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char **sparc_cpu_descriptions() {
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static char *cpu_desc[] = {
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"v9", "SPARC V9: 64-bit RISC architecture specification",
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NULL
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};
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return cpu_desc;
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}
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RzAsmPlugin rz_asm_plugin_sparc_cs = {
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.name = "sparc",
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.desc = "Sun SPARC Capstone-based disassembler",
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.license = "BSD",
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.arch = "sparc",
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.cpus = "v9",
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.bits = 32 | 64,
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.endian = RZ_SYS_ENDIAN_BIG | RZ_SYS_ENDIAN_LITTLE,
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.init = sparc_asm_init,
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.fini = sparc_asm_fini,
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.disassemble = &sparc_disassemble,
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.mnemonics = sparc_asm_mnemonics,
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.get_cpu_desc = sparc_cpu_descriptions,
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};
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#ifndef RZ_PLUGIN_INCORE
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RZ_API RzLibStruct rizin_plugin = {
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.type = RZ_LIB_TYPE_ASM,
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.data = &rz_asm_plugin_sparc_cs,
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.version = RZ_VERSION
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};
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#endif
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