GabriOliv

Syscall x86 Linux ASM

Extracted from W3Challs Syscalls

#	Name	eax	ebx	ecx	edx	esi	edi	ebp	Definition
0	restart_syscall	0x00	-	-	-	-	-	-	kernel/signal.c:2501
1	exit	0x01	int error_code	-	-	-	-	-	kernel/exit.c:1095
2	fork	0x02	-	-	-	-	-	-	arch/x86/kernel/process.c:271
3	read	0x03	unsigned int fd	char *buf	size_t count	-	-	-	fs/read_write.c:460

yellowbyte

32-bit ELF binary

how to assemble and link:

nasm -f elf32 -o <filename>.o <filename>.asm
ld -m elf_i386 -o <filename> <filename>.o

template code (hello world):

section .text
global _start