static int disassemble(struct r_asm_t *a, struct r_asm_op_t *op, const ut8 *buf, ut64 len) {
static 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=(a->bits==64)?"64":"";
disasm_obj.buffer = bytes;
disasm_obj.read_memory_func = &ppc_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 = &print_address;
disasm_obj.endian = !a->big_endian;
disasm_obj.fprintf_func = &buf_fprintf;
disasm_obj.stream = stdout;
op->buf_asm[0]='\0';
if (a->big_endian)
op->inst_len = print_insn_big_powerpc((bfd_vma)Offset, &disasm_obj);
else op->inst_len = print_insn_little_powerpc((bfd_vma)Offset, &disasm_obj);
if (op->inst_len == -1)
strncpy (op->buf_asm, " (data)", R_ASM_BUFSIZE);
return op->inst_len;
}
int j3::JeiModule::disassemble(unsigned int *addr)
{
if (!initialised)
{
INIT_DISASSEMBLE_INFO(info, stdout, fprintf);
info.flavour= bfd_target_elf_flavour;
info.arch= bfd_arch_powerpc;
info.mach= bfd_mach_ppc_750; // generic(ish) == PPC G3
info.endian= BFD_ENDIAN_BIG;
info.buffer_length= 65536;
}
info.buffer= (bfd_byte *)addr;
info.buffer_vma= (bfd_vma)(long)addr;
return print_insn_big_powerpc((bfd_vma)(long)addr, &info);
}
u1 *disassinstr(u1 *code)
{
if (!disass_initialized) {
INIT_DISASSEMBLE_INFO(info, NULL, disass_printf);
/* setting the struct members must be done after
INIT_DISASSEMBLE_INFO */
info.read_memory_func = &disass_buffer_read_memory;
disass_initialized = true;
}
printf("0x%016lx: %08x ", (s8) code, *((s4 *) code));
print_insn_big_powerpc((bfd_vma) code, &info);
printf("\n");
return code + 4;
}