Printing “array” from .bss in gdb

Question

my nasm x86 assembly code contains the following:

; The code should mimic the following C-code:
; int a[10];
; for (int i = 0; i < 10; i++){
;    a[i] = i         


        

Answer 1

ARM example

x86 should be analogous:

.data:
a1:
    .float 0.0, 0.1, 0.2, 0.3
a2:
    .word 1, 2, 3, 4
.text
    /* Register r1 contains the address of a1. */
    ldr r1, =a1
    ldr r2, =a2

GDB session:

(gdb) p (float[4])a1
$1 = {0, 0.100000001, 0.200000003, 0.300000012}
(gdb) p (int[4])a2
$2 = {1, 2, 3, 4}
(gdb) p (float[4])*$r1
$5 = {0, 0.100000001, 0.200000003, 0.300000012}
(gdb) p (int[4])*$r2
$7 = {1, 2, 3, 4}

Tested on GDB 8.1, Ubuntu 18.04.