2 files changed, 72 insertions, 0 deletions
diff --git a/sysdeps/sparc/elf/Makefile b/sysdeps/sparc/elf/Makefile
new file mode 100644
index 0000000000..319fbdef10
--- /dev/null
+++ b/sysdeps/sparc/elf/Makefile
@@ -0,0 +1,4 @@
+# Sparc/ELF specific definitions.
+
+# The assembler on SPARC needs the -fPIC flag even when it's assembler code.
+ASFLAGS-.so = -fPIC
diff --git a/sysdeps/sparc/elf/start.c b/sysdeps/sparc/elf/start.c
new file mode 100644
index 0000000000..f9c97f89bc
--- /dev/null
+++ b/sysdeps/sparc/elf/start.c
@@ -0,0 +1,68 @@
+/* Copyright (C) 1991, 1992, 1993, 1994, 1997 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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+extern char **__environ;
+
+extern void __libc_init_first __P ((int argc, char **argv, char **envp));
+extern int main __P ((int argc, char **argv, char **envp));
+
+register long int sp asm("%sp"), fp asm("%fp");
+
+void
+_start (void)
+{
+  /* It is important that these be declared `register'.
+     Otherwise, when compiled without optimization, they are put on the
+     stack, which loses completely after we zero the FP.  */
+  register int argc;
+  register char **argv, **envp;
+  register long int g1 asm ("%g1");
+  unsigned long int copy_g1 = g1;
+
+  /* Unwind the frame built when we entered the function.  */
+  asm("restore");
+  if (copy_g1)
+    atexit (copy_g1);
+
+  /* And clear the frame pointer.  */
+  fp = 0;
+
+  /* The argument info starts after one register
+     window (64 bytes) past the SP.  */
+  argc = ((int *) sp)[16];
+  argv = (char **) &((int *) sp)[17];
+  envp = &argv[argc + 1];
+  __environ = envp;
+
+  /* Allocate 24 bytes of stack space for the register save area.  */
+  sp -= 24;
+  __libc_init_first (argc, argv, envp);
+#ifdef ELF_INIT_FINI
+  {
+    extern void _fini (void);
+    atexit (_fini);
+    _init ();
+  }
+#endif
+  exit (main (argc, argv, envp));
+}