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-rw-r--r--libc/sysdeps/linux/sh64/crt0.S78
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diff --git a/libc/sysdeps/linux/sh64/crt0.S b/libc/sysdeps/linux/sh64/crt0.S
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+/* Startup code for SH5 & ELF.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ Copyright (C) 2001 Hewlett-Packard Australia
+
+ 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. */
+
+/* This is the canonical entry point, usually the first thing in the text
+ segment.
+
+ At this entry point, most registers' values are unspecified, except:
+
+ sp The stack contains the arguments and environment:
+ 0(sp) argc
+ 4(sp) argv[0]
+ ...
+ (4*argc)(sp) NULL
+ (4*(argc+1))(sp) envp[0]
+ ...
+ NULL
+*/
+
+ .file "crt0.S"
+
+ .globl _start
+ .globl __main
+
+ .type __uClibc_start_main,@function
+
+ .section .text64,"xa"
+ .align 2 /* 2^2 = 4 */
+
+_start:
+ /* Clear the frame pointer since this is the outermost frame. */
+### mov #0, r14 # qqq
+
+ /* Pop argc off the stack and save a pointer to argv */
+ ld.l r15, 0, r2 /* argc */
+ addi r15, 4, r3 /* argv */
+
+ /* set up the value for the environment pointer r4 = (argc+1)*4+argv */
+ addi r2, 1, r4 /* envp = argc + 1 */
+ shlli r4, 2, r4 /* envp = envp * 4 */
+ add r3, r4, r4 /* envp = envp + argv */
+
+ /* call main() */
+ movi __uClibc_start_main,r17
+ ptabs/l r17,tr0
+ blink tr0,r18
+
+ /* should never get here....*/
+### movi abort@lh,r17
+### shori abort@ll,r17
+ ptabs/l r17,tr0
+ blink tr0,r63 /* call abort() => (r63) do not come back ... */
+
+ /*
+ * The following is a stub to stop the GNU toolchain
+ * from calling its C-RTL initialization routines.
+ */
+__main:
+ ptabs/l r18,tr0
+ blink tr0,r63
+