1 files changed, 101 insertions, 0 deletions
diff --git a/libc/sysdeps/sparc/sparc64/start.S b/libc/sysdeps/sparc/sparc64/start.S
new file mode 100644
index 000000000..7924fb482
--- /dev/null
+++ b/libc/sysdeps/sparc/sparc64/start.S
@@ -0,0 +1,101 @@
+/* Startup code for elf64-sparc
+   Copyright (C) 1997, 1998, 2002, 2004, 2007, 2009
+   Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Richard Henderson <richard@gnu.ai.mit.edu>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   In addition to the permissions in the GNU Lesser General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file with other
+   programs, and to distribute those programs without any restriction
+   coming from the use of this file. (The GNU Lesser General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into another program.)
+
+   Note that people who make modified versions of this file are not
+   obligated to grant this special exception for their modified
+   versions; it is their choice whether to do so. The GNU Lesser
+   General Public License gives permission to release a modified
+   version without this exception; this exception also makes it
+   possible to release a modified version which carries forward this
+   exception.
+
+   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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+
+
+	.section ".text"
+	.align 4
+	.global _start
+	.type _start,#function
+_start:
+#ifdef SHARED
+	SETUP_PIC_REG(l7)
+#endif
+
+  /* Terminate the stack frame, and reserve space for functions to
+     drop their arguments.  */
+	mov	%g0, %fp
+	sub	%sp, 6*8, %sp
+
+  /* Extract the arguments and environment as encoded on the stack.  The
+     argument info starts after one register window (16 words) past the SP,
+     plus the bias we added, plus the magic v9 STACK_BIAS.  */
+	ldx	[%sp+STACK_BIAS+22*8], %o1
+	add	%sp, STACK_BIAS+23*8, %o2
+
+  /* Load the addresses of the user entry points.  */
+#ifndef SHARED
+	sethi	%hi(main), %o0
+	sethi	%hi(__libc_csu_init), %o3
+	sethi	%hi(__libc_csu_fini), %o4
+	or	%o0, %lo(main), %o0
+	or	%o3, %lo(__libc_csu_init), %o3
+	or	%o4, %lo(__libc_csu_fini), %o4
+#else
+	sethi	%gdop_hix22(main), %o0
+	sethi	%gdop_hix22(__libc_csu_init), %o3
+	sethi	%gdop_hix22(__libc_csu_fini), %o4
+	xor	%o0, %gdop_lox10(main), %o0
+	xor	%o3, %gdop_lox10(__libc_csu_init), %o3
+	xor	%o4, %gdop_lox10(__libc_csu_fini), %o4
+	ldx	[%l7 + %o0], %o0, %gdop(main)
+	ldx	[%l7 + %o3], %o3, %gdop(__libc_csu_init)
+	ldx	[%l7 + %o4], %o4, %gdop(__libc_csu_fini)
+#endif
+
+  /* When starting a binary via the dynamic linker, %g1 contains the
+     address of the shared library termination function, which will be
+     registered with atexit().  If we are statically linked, this will
+     be NULL.  */
+	mov     %g1, %o5
+
+  /* Let libc do the rest of the initialization, and call main.  */
+	call    __libc_start_main
+	 nop
+
+  /* Die very horribly if exit returns.  */
+	illtrap	0
+
+	.size _start, .-_start
+
+/* Define a symbol for the first piece of initialized data.  */
+	.data
+	.globl	__data_start
+__data_start:
+	.long	0
+weak_alias (__data_start, data_start)