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

diff --git a/libc/sysdeps/linux/arm/Makefile b/libc/sysdeps/linux/arm/Makefile
index 7d901b7..a75e477 100644 (file)
--- a/libc/sysdeps/linux/arm/Makefile
+++ b/libc/sysdeps/linux/arm/Makefile
@@ -25,7 +25,10 @@ include $(TOPDIR)Rules.mak
 LIBC=$(TOPDIR)libc.a
 ASFLAGS=$(CFLAGS)
 
-SSRC=_start.S longjmp.S setjmp.S
+CRT0=_start.S
+CRT0_OBJ=$(patsubst %.S,%.o, $(CRT0))
+
+SSRC=longjmp.S setjmp.S
 SOBJS=$(patsubst %.S,%.o, $(SSRC))
 
 CSRC=fork.c vfork.c
@@ -34,13 +37,18 @@ COBJS=$(patsubst %.c,%.o, $(CSRC))
 OBJS=$(SOBJS) $(MOBJ) $(COBJS)
 
 
-all: $(OBJS) $(LIBC)
+all: $(OBJS) $(CRT0_OBJ) $(LIBC)
 
 $(LIBC): ar-target
 
 ar-target: $(OBJS)
        $(AR) $(ARFLAGS) $(LIBC) $(OBJS)
 
+$(CRT0_OBJ): %.o : %.S
+       $(CC) $(CFLAGS) -c $< -o $@
+       $(STRIPTOOL) -x -R .note -R .comment $*.o
+       cp $*.o $(TOPDIR)/libcrt0.o
+
 $(SOBJS): %.o : %.S
        $(CC) $(CFLAGS) -c $< -o $@
        $(STRIPTOOL) -x -R .note -R .comment $*.o

diff --git a/libc/sysdeps/linux/arm/crt0.S b/libc/sysdeps/linux/arm/crt0.S
new file mode 100644 (file)
index 0000000..3944bd3
--- /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
+
+