mirror of
https://github.com/radareorg/radare2.git
synced 2024-12-03 19:01:31 +00:00
86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
/* radare2 - LGPL - Copyright 2014-2018 - pancake */
|
|
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
|
|
#include <r_types.h>
|
|
#include <r_lib.h>
|
|
#include <r_util.h>
|
|
#include <r_asm.h>
|
|
|
|
#include "disas-asm.h"
|
|
|
|
|
|
int print_insn_big_nios2 (bfd_vma address, disassemble_info *info);
|
|
int print_insn_little_nios2 (bfd_vma address, disassemble_info *info);
|
|
static unsigned long Offset = 0;
|
|
static RStrBuf *buf_global = NULL;
|
|
static unsigned char bytes[4];
|
|
|
|
static int nios2_buffer_read_memory (bfd_vma memaddr, bfd_byte *myaddr, ut32 length, struct disassemble_info *info) {
|
|
memcpy (myaddr, bytes, length);
|
|
return 0;
|
|
}
|
|
|
|
static int symbol_at_address(bfd_vma addr, struct disassemble_info * info) {
|
|
return 0;
|
|
}
|
|
|
|
static void memory_error_func(int status, bfd_vma memaddr, struct disassemble_info *info) {
|
|
//--
|
|
}
|
|
|
|
DECLARE_GENERIC_PRINT_ADDRESS_FUNC()
|
|
DECLARE_GENERIC_FPRINTF_FUNC()
|
|
|
|
static int disassemble(RAsm *a, struct r_asm_op_t *op, const ut8 *buf, int len) {
|
|
struct disassemble_info disasm_obj;
|
|
if (len < 4) {
|
|
return -1;
|
|
}
|
|
buf_global = &op->buf_asm;
|
|
Offset = a->pc;
|
|
memcpy (bytes, buf, 4); // TODO handle thumb
|
|
|
|
/* prepare disassembler */
|
|
memset (&disasm_obj, '\0', sizeof (struct disassemble_info));
|
|
disasm_obj.disassembler_options = "";
|
|
disasm_obj.buffer = bytes;
|
|
disasm_obj.read_memory_func = &nios2_buffer_read_memory;
|
|
disasm_obj.symbol_at_address_func = &symbol_at_address;
|
|
disasm_obj.memory_error_func = &memory_error_func;
|
|
disasm_obj.print_address_func = &generic_print_address_func;
|
|
disasm_obj.endian = !a->big_endian;
|
|
disasm_obj.fprintf_func = &generic_fprintf_func;
|
|
disasm_obj.stream = stdout;
|
|
|
|
if (disasm_obj.endian == BFD_ENDIAN_BIG) {
|
|
op->size = print_insn_big_nios2 ((bfd_vma)Offset, &disasm_obj);
|
|
} else {
|
|
op->size = print_insn_little_nios2 ((bfd_vma)Offset, &disasm_obj);
|
|
}
|
|
if (op->size == -1) {
|
|
r_asm_op_set_asm (op, "(data)");
|
|
}
|
|
return op->size;
|
|
}
|
|
|
|
RAsmPlugin r_asm_plugin_nios2 = {
|
|
.name = "nios2",
|
|
.arch = "nios2",
|
|
.license = "GPL3",
|
|
.bits = 32,
|
|
.endian = R_SYS_ENDIAN_LITTLE | R_SYS_ENDIAN_BIG,
|
|
.desc = "NIOS II Embedded Processor",
|
|
.disassemble = &disassemble
|
|
};
|
|
|
|
#ifndef R2_PLUGIN_INCORE
|
|
R_API RLibStruct radare_plugin = {
|
|
.type = R_LIB_TYPE_ASM,
|
|
.data = &r_asm_plugin_nios2,
|
|
.version = R2_VERSION
|
|
};
|
|
#endif
|