4 Mar 2024

IDA Config

Hi!

This is my IDA config with few tweaks that I found useful.
Both are located in <ida_directory>/cfg/

hexrays.cfg - Decompiler Config

BLOCK_INDENT = 4 default = 2

1
// OLD
2
if (statement)
3
  do_smth();
4

5
// NEW
6
if (statement)
7
    do_smth();

RIGHT_MARGIN = 80 default = 120, as above

MAX_NCOMMAS = 1 default = 8

1
// OLD
2
if ( cond || ( x = *p, y = func(), x + y > 0 ) )
3
    body;
4

5
// NEW
6
if ( cond )
7
    goto LABEL;
8
x = *p;
9
y = func();
10
if ( x + y > 0 )
11
LABEL:
12
    body;

DEFAULT_RADIX = 16 default = 0

1
// OLD
2
if (var != 10)
3
    /* code */
4

5
// NEW
6
if (var != 0xA)
7
    /* code */

GENERATE_EMPTY_LINES = YES default = NO

1
// OLD
2
LABEL_23:
3
if (v19 >= enva || !*v19)
4
    break;
5
LABEL_25:
6
v13 = v19;
7

8
// NEW
9
LABEL_23:
10
if (v19 >= enva || !*v19)
11
    break;
12

13
LABEL_25:
14
v13 = v19;

1
#define HEXOPTONS = 0x831FF // Combination of HO_... bits
2
#define HO_KEEP_CURLIES 0x000200 // Keep curly braces for single-statement blocks

HEXOPTIONS = 0x833FF which is equal to HEXOPTIONS | HO_KEEP_CURLIES

1
// OLD
2
if (state)
3
    return 1;
4

5
// NEW
6
if (state)
7
{
8
    return 1;
9
}

ida.cfg - IDA Config

OPCODE_BYTES = 16 default = 0
GRAPH_OPCODE_BYTES = 16 default = 0

1
; OLD
2
test    cl, cl
3
jz      short loc_4010FE
4
mov     dl, [eax+1]
5

6
; NEW
7
84 C9       test    cl, cl
8
74 16       jz      short loc_4010FE
9
8A 50 01    mov     dl, [eax+1]