diff options
Diffstat (limited to 'libc/sysdeps/linux/arm/crt0.S')
-rw-r--r-- | libc/sysdeps/linux/arm/crt0.S | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/arm/crt0.S b/libc/sysdeps/linux/arm/crt0.S new file mode 100644 index 000000000..3944bd34c --- /dev/null +++ b/libc/sysdeps/linux/arm/crt0.S @@ -0,0 +1,66 @@ +/* Copyright (C) 1991, 1992 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + + +#define BASEREG r9 + +@ r0 = argc +@ r1 = argv +@ r2 = envp +@ sl = data segment + + + + .text + .align 2 + .global _start, exit, main + .type _start,%function + +.text +_start: + @ adjust the data sgement base pointer + ldr r3,=__data_start + sub sl,sl,r3 + mov BASEREG,sl + + ldr r3, .L3 + str r2,[BASEREG,r3] + ldr r0,[sp, #0] + ldr r1,[sp, #4] + ldr r2,[sp, #8] + bl main + ldr r0,=0 + bl exit + + +.L3: .word environ + + + .data + .align 2 + .global __errno, __environ + +__environ: .long 0 +.weak environ +environ = __environ + +__errno: .long 0 +.weak errno +errno = __errno + + |