USe the name crt0.o, and cp it to $(TOPDIR)/libcrt0.o

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
+
+