gistfile1.c

/* archivo, test.c */

#include <stdio.h>

void main () {
char c;
c = c & 0;
printf("The value of c is %d", (int)c);
int j = 255;
c = (c | j);
printf("The value of c is %d", (int)c);
}

/* listado, test.lst: gcc -c -g -Wa,-adhlns=test.lst test.c */

   1                            .file   "test.c"
   9                    .Ltext0:
  10                            .section        .rodata
  11                    .LC0:
  12 0000 54686520              .string "The value of c is %d"
  12      76616C75 
  12      65206F66 
  12      20632069 
  12      73202564 
  13                            .text
  14                            .p2align 4,,15
  15                    .globl main
  17                    main:
  18                    .LFB3:
  19                            .file 1 "test.c"
   1:test.c        **** #include <stdio.h>
   2:test.c        **** 
   3:test.c        **** void main () {
  20                            .loc 1 3 0
  21 0000 8D4C2404              leal    4(%esp), %ecx
  22                    .LCFI0:
  23 0004 83E4F0                andl    $-16, %esp
  24 0007 FF71FC                pushl   -4(%ecx)
  25                    .LCFI1:
  26 000a 55                    pushl   %ebp
  27                    .LCFI2:
  28 000b 89E5                  movl    %esp, %ebp
  29                    .LCFI3:
  30 000d 51                    pushl   %ecx
  31                    .LCFI4:
  32 000e 83EC24                subl    $36, %esp
  33                    .LCFI5:
   4:test.c        **** char c;
   5:test.c        **** c = c & 0;
  34                            .loc 1 5 0
  35 0011 C645F700              movb    $0, -9(%ebp)
   6:test.c        **** printf("The value of c is %d", (int)c);
  36                            .loc 1 6 0
  37 0015 0FBE45F7              movsbl  -9(%ebp),%eax
  38 0019 89442404              movl    %eax, 4(%esp)
  39 001d C7042400              movl    $.LC0, (%esp)
  39      000000
  40 0024 E8FCFFFF              call    printf
  40      FF
   7:test.c        **** int j = 255;
  41                            .loc 1 7 0
  42 0029 C745F8FF              movl    $255, -8(%ebp)
  42      000000
   8:test.c        **** c = (c | j);
  43                            .loc 1 8 0
  44 0030 8B45F8                movl    -8(%ebp), %eax
  45 0033 0845F7                orb     %al, -9(%ebp)
   9:test.c        **** printf("The value of c is %d", (int)c);
  46                            .loc 1 9 0
  47 0036 0FBE45F7              movsbl  -9(%ebp),%eax
  48 003a 89442404              movl    %eax, 4(%esp)
  49 003e C7042400              movl    $.LC0, (%esp)
  49      000000
  50 0045 E8FCFFFF              call    printf
  50      FF
  10:test.c        **** }
  51                            .loc 1 10 0
  52 004a 83C424                addl    $36, %esp
  53 004d 59                    popl    %ecx
  54 004e 5D                    popl    %ebp
  55 004f 8D61FC                leal    -4(%ecx), %esp
  56 0052 C3                    ret
  57                    .LFE3:
 112                    .Letext0:
DEFINED SYMBOLS
                            *ABS*:0000000000000000 test.c
/var/tmp//ccsk632l.s:17     .text:0000000000000000 main

UNDEFINED SYMBOLS
printf