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https://github.com/radareorg/radare2.git
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130 lines
2.9 KiB
C
130 lines
2.9 KiB
C
/*
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* TMS320 disassembly engine
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*
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* Written by Ilya V. Matveychikov <i.matveychikov@milabs.ru>
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*
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* Distributed under LGPLv3
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*/
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#include <stdio.h>
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#include <r_types.h>
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#include <r_lib.h>
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#include <r_asm.h>
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#include <capstone/capstone.h>
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static csh cd = 0;
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#include "cs_mnemonics.c"
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#ifdef CAPSTONE_TMS320C64X_H
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#define CAPSTONE_HAS_TMS320C64X 1
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#else
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#define CAPSTONE_HAS_TMS320C64X 0
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#warning Cannot find capstone-tms320c64x support
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#endif
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#if CAPSTONE_HAS_TMS320C64X
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static int tms320c64x_disassemble(RAsm *a, RAsmOp *op, const ut8 *buf, int len) {
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cs_insn* insn;
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int n = -1, ret = -1;
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int mode = 0;
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if (op) {
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memset (op, 0, sizeof (RAsmOp));
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op->size = 4;
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}
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if (cd != 0) {
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cs_close (&cd);
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}
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ret = cs_open (CS_ARCH_TMS320C64X, mode, &cd);
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if (ret) {
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goto fin;
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}
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cs_option (cd, CS_OPT_DETAIL, CS_OPT_OFF);
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if (!op) {
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return 0;
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}
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n = cs_disasm (cd, buf, len, a->pc, 1, &insn);
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if (n < 1) {
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strcpy (op->buf_asm, "invalid");
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op->size = 4;
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ret = -1;
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goto beach;
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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 beach;
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}
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op->size = insn->size;
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snprintf (op->buf_asm, R_ASM_BUFSIZE, "%s%s%s",
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insn->mnemonic, insn->op_str[0]? " ": "",
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insn->op_str);
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r_str_replace_char (op->buf_asm, '%', 0);
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r_str_case (op->buf_asm, false);
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cs_free (insn, n);
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beach:
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// cs_close (&cd);
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fin:
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return ret;
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}
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#endif
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#include "../arch/tms320/tms320_dasm.h"
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static tms320_dasm_t engine = { 0 };
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static int tms320_disassemble(RAsm *a, RAsmOp *op, const ut8 *buf, int len) {
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if (a->cpu && strcasecmp (a->cpu, "c54x") == 0) {
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tms320_f_set_cpu (&engine, TMS320_F_CPU_C54X);
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} else if (a->cpu && strcasecmp(a->cpu, "c55x+") == 0) {
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tms320_f_set_cpu (&engine, TMS320_F_CPU_C55X_PLUS);
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} else if (a->cpu && strcasecmp(a->cpu, "c55x") == 0) {
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tms320_f_set_cpu (&engine, TMS320_F_CPU_C55X);
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} else {
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#if CAPSTONE_HAS_TMS320C64X
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if (a->cpu && !strcasecmp (a->cpu, "c64x")) {
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return tms320c64x_disassemble (a, op, buf, len);
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}
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#endif
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snprintf (op->buf_asm, R_ASM_BUFSIZE - 1, "Unknown asm.cpu");
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return op->size = -1;
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}
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op->size = tms320_dasm (&engine, buf, len);
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snprintf (op->buf_asm, R_ASM_BUFSIZE-1, "%s", engine.syntax);
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return op->size;
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}
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static bool tms320_init(void * user) {
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return tms320_dasm_init (&engine);
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}
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static bool tms320_fini(void * user) {
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return tms320_dasm_fini (&engine);
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}
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RAsmPlugin r_asm_plugin_tms320 = {
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.name = "tms320",
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.arch = "tms320",
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#if CAPSTONE_HAS_TMS320C64X
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.cpus = "c54x,c55x,c55x+,c64x",
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.desc = "TMS320 DSP family (c54x,c55x,c55x+,c64x)",
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#else
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.cpus = "c54x,c55x,c55x+",
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.desc = "TMS320 DSP family (c54x,c55x,c55x+)",
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#endif
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.license = "LGPLv3",
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.bits = 32,
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.endian = R_SYS_ENDIAN_LITTLE | R_SYS_ENDIAN_BIG,
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.init = tms320_init,
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.fini = tms320_fini,
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.disassemble = &tms320_disassemble,
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};
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#ifndef CORELIB
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RLibStruct radare_plugin = {
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.type = R_LIB_TYPE_ASM,
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.data = &r_asm_plugin_tms320,
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.version = R2_VERSION
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};
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#endif
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