;=================================================================================
; This is test an application for ptrace.asm
; It does nothing except continuously printing "#" to the terminal.
; When ptrace changes value of edi it'll start printing "@". 
;=================================================================================

format ELF

include '../../include/symbols.inc'
include '../../include/structs.inc'

section '.text' executable 

public _start
_start:
        xor     edi, edi

@@:     mov	eax, SYS_WRITE
	mov	ebx, STDOUT
	mov	ecx, msg_s
	mov	edx, 1
	int	0x80

        mov     [stime+timespec.tv_sec], 4
        mov     [stime+timespec.tv_nsec], 0

	mov	eax, SYS_NANOSLEEP
	mov	ebx, stime
	xor     ecx, ecx
	int	0x80
        
        cmp     edi, 0x12345678
        jne     @b
        mov     [msg_s], "@"
        jmp     @b


section '.data' writeable

msg_s   db "#"
msg_s_sz = $-msg_s

stime           timespec