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Diffstat (limited to 'libc/sysdeps/linux/nios/crt0.c')
-rw-r--r--libc/sysdeps/linux/nios/crt0.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/nios/crt0.c b/libc/sysdeps/linux/nios/crt0.c
new file mode 100644
index 000000000..48b1a0f07
--- /dev/null
+++ b/libc/sysdeps/linux/nios/crt0.c
@@ -0,0 +1,73 @@
+/* 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. */
+
+#include <asm/ptrace.h>
+
+#define nop() __asm__ __volatile__ ("nop")
+
+extern inline int _stack_frame_address(void)
+{
+ int retval;
+ __asm__ __volatile__(
+ "mov %0, %%fp\n\t"
+ : "=r" (retval) );
+ return retval;
+}
+
+void __uClibc_main(int argc,void *argv,void *envp);
+
+void _start(void)
+{
+ void **p;
+
+ nop(); /* placeholder for breakpoint */
+ nop();
+
+ p = (int *) (_stack_frame_address() + REGWIN_SZ);
+ __uClibc_main( (int) *p, *(p+1), *(p+2) );
+
+/* If that didn't kill us, ... */
+
+ asm("trap 0");
+}
+
+/*
+ * this was needed for gcc/g++-builds, atexit was not getting included
+ * for some stupid reason, this gets us a compiler
+ */
+// empty_func:
+// // rts
+// .weak atexit
+// atexit = empty_func
+//
+// /*
+// * a little bit of stuff to support C++
+// */
+// .section .ctors,"aw"
+// .align 4
+// .global __CTOR_LIST__
+// __CTOR_LIST__:
+// .long -1
+//
+// .section .dtors,"aw"
+// .align 4
+// .global __DTOR_LIST__
+// __DTOR_LIST__:
+// .long -1
+