Class: Hatstone

Inherits:
Object
  • Object
show all
Defined in:
ext/hatstone/hatstone.c

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.new(arch, mode) ⇒ Object 



21
22
23
24
25
26
27
28
29
30
31
 
# File 'ext/hatstone/hatstone.c', line 21

static VALUE
hatstone_open(VALUE klass, VALUE arch, VALUE mode)
{
    csh * handle = calloc(sizeof(csh), 1);

    if (CS_ERR_OK == cs_open(NUM2INT(arch), NUM2INT(mode), handle)) {
	return TypedData_Wrap_Struct(klass, &handle_type, handle);
    } else {
        return Qnil;
    }
}

Instance Method Details

#disasm(code_str, addr) ⇒ Object 



33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
 
# File 'ext/hatstone/hatstone.c', line 33

static VALUE
hatstone_disasm(VALUE self, VALUE code_str, VALUE addr)
{
    csh * handle;
    TypedData_Get_Struct(self, csh, &handle_type, handle);

    size_t size = RSTRING_LEN(code_str);
    const uint8_t * code = (uint8_t *)StringValuePtr(code_str);
    uint64_t address = NUM2LONG(addr);

    cs_insn * insn = cs_malloc(*handle);

    VALUE list = rb_ary_new();

    while (cs_disasm_iter(*handle, &code, &size, &address, insn)) {
        VALUE vals = rb_ary_new_from_args(6,
                INT2NUM(insn->id),
                LONG2NUM(insn->address),
                INT2NUM(insn->size),
                rb_str_new((const char *)insn->bytes, insn->size),
                rb_str_new2(insn->mnemonic),
                rb_str_new2(insn->op_str));
        rb_ary_push(list, rb_struct_alloc(cInsn, vals));
    }

    cs_free(insn, 1);
    return list;
}