.globl _start
.data
msg:	.ascii "Meow!\n"
badmsg:	.ascii "syscall failed\n"
.text
_start:
	# x32
	mov	$0x40000001, %rax	# syscall: write
	mov	$1, %rdi
	mov	$msg, %rsi
	mov	$6, %rdx
	syscall

	# amd64
	mov	$1, %rax		# syscall: write
	mov	$1, %rdi
	mov	$msg, %rsi
	mov	$6, %rdx
	syscall

	# i386
	mov	$4, %eax		# syscall: write
	mov	$1, %ebx
	mov	$msg, %ecx
	mov	$6, %edx
	int	$0x80


	# x32
	mov	$0x40000009, %rax	# syscall: mmap
	mov	$0, %rdi
	mov	$0x10000, %rsi
	mov	$3, %rdx	# PROT_READ|PROT_WRITE
	mov	$0x62, %r10	# MAP_PRIVATE|MAP_ANON|MAP_32BIT
	mov	$-1, %r8
	mov	$0, %r9
	syscall
	or	%rax, %rax
	js	badness

	# amd64
	mov	$0x9, %rax		# syscall: mmap
	mov	$0, %rdi
	mov	$0x10000, %rsi
	mov	$3, %rdx	# PROT_READ|PROT_WRITE
	mov	$0x62, %r10	# MAP_PRIVATE|MAP_ANON|MAP_32BIT
	mov	$-1, %r8
	mov	$0, %r9
	syscall
	or	%rax, %rax
	js	badness

	jmp goodbye	# m'kay, this one doesn't work, no regression
	# i386
	mov	$0x90, %eax		# syscall: mmap
	mov	$0, %ebx
	mov	$0x10000, %ecx
	mov	$3, %edx	# PROT_READ|PROT_WRITE
	mov	$0x62, %esi	# MAP_PRIVATE|MAP_ANON|MAP_32BIT
	mov	$-1, %edi
	mov	$0, %ebp
	int	$0x80
	movslq	%eax, %rax
	or	%rax, %rax
	js	badness

goodbye:
	mov	$0x4000003c, %rax	# syscall: _exit
	xor	%rdi, %rdi
	syscall

badness:
	# I'm too lazy to printf this as a number...
	push	%rax
	mov	$0x40000001, %rax	# syscall: write
	mov	$1, %rdi
	mov	$badmsg, %rsi
	mov	$15, %rdx
	syscall
	
	mov	$0x4000003c, %rax	# syscall: _exit
	pop	%rdi
	syscall