banan-os/libc/arch/i686/crt0.S

.section .text

.global _start
_start:
	pushl $0
	pushl %edi
	pushl %esi
	pushl %edx

	# STACK LAYOUT
	#   null
	#   argc
	#   argv
	#   envp

	xorl %ebp, %ebp

	# init libc (envp already as argument)
	call _init_libc

	# call global constructors
	call _init

	# call main
	movl 0(%esp), %eax
	xchgl %eax, 8(%esp)
	movl %eax, (%esp)
	call main

	subl $12, %esp
	pushl %eax
	call exit

.size _start, . - _start
LibC: Dummy ctr* files for i386 This allows compilation of libc for i386 targets 2024-03-21 15:20:20 +02:00			`.section .text`

			`.global _start`
			`_start:`
			`pushl $0`
Kernel: Implement syscalls for i686 and cleanup x86_64 This actually allows i686 to boot properly! 2024-04-03 02:23:23 +03:00			`pushl %edi`
			`pushl %esi`
			`pushl %edx`
LibC: Dummy ctr* files for i386 This allows compilation of libc for i386 targets 2024-03-21 15:20:20 +02:00
Kernel: Implement syscalls for i686 and cleanup x86_64 This actually allows i686 to boot properly! 2024-04-03 02:23:23 +03:00			`# STACK LAYOUT`
			`# null`
			`# argc`
			`# argv`
			`# envp`
LibC: Dummy ctr* files for i386 This allows compilation of libc for i386 targets 2024-03-21 15:20:20 +02:00
Kernel: Implement syscalls for i686 and cleanup x86_64 This actually allows i686 to boot properly! 2024-04-03 02:23:23 +03:00			`xorl %ebp, %ebp`
LibC: Dummy ctr* files for i386 This allows compilation of libc for i386 targets 2024-03-21 15:20:20 +02:00
Kernel: Implement syscalls for i686 and cleanup x86_64 This actually allows i686 to boot properly! 2024-04-03 02:23:23 +03:00			`# init libc (envp already as argument)`
LibC: Dummy ctr* files for i386 This allows compilation of libc for i386 targets 2024-03-21 15:20:20 +02:00			`call _init_libc`

Kernel: Implement syscalls for i686 and cleanup x86_64 This actually allows i686 to boot properly! 2024-04-03 02:23:23 +03:00			`# call global constructors`
LibC: Dummy ctr* files for i386 This allows compilation of libc for i386 targets 2024-03-21 15:20:20 +02:00			`call _init`

Kernel: Implement syscalls for i686 and cleanup x86_64 This actually allows i686 to boot properly! 2024-04-03 02:23:23 +03:00			`# call main`
			`movl 0(%esp), %eax`
			`xchgl %eax, 8(%esp)`
			`movl %eax, (%esp)`
LibC: Dummy ctr* files for i386 This allows compilation of libc for i386 targets 2024-03-21 15:20:20 +02:00			`call main`

Kernel: Implement syscalls for i686 and cleanup x86_64 This actually allows i686 to boot properly! 2024-04-03 02:23:23 +03:00			`subl $12, %esp`
LibC: Dummy ctr* files for i386 This allows compilation of libc for i386 targets 2024-03-21 15:20:20 +02:00			`pushl %eax`
			`call exit`

			`.size _start, . - _start`