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sortix--sortix/libmaxsi/x86/start.s
Jonas 'Sortie' Termansen 6f36ecf0b3 execve(2) now pushes envp to the new stack and sets up registers.
This fully implements environmental variables over exec.
2012-04-04 01:49:14 +02:00

47 lines
1.2 KiB
ArmAsm

/******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
This file is part of LibMaxsi.
LibMaxsi is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
start.s
A stub for linking to the C runtime on Sortix.
******************************************************************************/
.globl _start
.section .text
.text 0x100000
.type _start, @function
_start:
movl %ecx, environ # envp
# Arguments for main
push %ebx # argv
push %eax # argc
call initialize_standard_library
# Run main
call main
# Terminate the process with main's exit code.
push %eax
call exit