I was playing with Brian Ingerson's excellent Inline.pm and decided to do something funky. This only works on i386/Linux (Well, it might work on BSD. I think the syscalls are the same. Haven't tested it.) 

#!/usr/bin/perl -w
use strict;
use less 'on non-i386 architectures';

&japh("japh!");

use Inline C => <<'JAPH';
int japh(char *j)
{
    asm ("
        jmp jap_h
    j_aph:
        popl %ecx
        xorl %eax, %eax
        incb %al
        movl %eax, %ebx
        shl $0x2, %al
        movl %ebx, %edx
        shl $0x4, %dl
        addb $0xa, %dl
        int $0x80
        xorl %eax, %eax
        incb %al
        int $0x80
    jap_h:
        call j_aph
        .asciz \"Just Another Perl Hacker.\\n\"
    ");
}
JAPH

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In reply to Inline i386 assembly JAPH by rpc

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