69c93432ca
Since we had a .set reorder, the nop after the "jal" was being placed after the delay slot, resulting in two nops. While changing this code also guard the .set noreorder with .set push/pop and use $zero as the cpsetup save register since we don't need to save $gp. Reviewed By: jhb Differential Revision: https://reviews.freebsd.org/D25025
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-1-Clause
|
|
*
|
|
* Copyright 2018 Andrew Turner
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _CRT_H_
|
|
#define _CRT_H_
|
|
|
|
#define HAVE_CTORS
|
|
#define CTORS_CONSTRUCTORS
|
|
#ifdef __mips_o32
|
|
#define INIT_CALL_SEQ(func) \
|
|
".set push \n" \
|
|
".set noreorder \n" \
|
|
"bal 1f \n" \
|
|
"nop \n" \
|
|
"1: \n" \
|
|
".cpload $ra \n" \
|
|
"addu $sp, $sp, -8 \n" \
|
|
".cprestore 4 \n" \
|
|
".local " __STRING(func) "\n" \
|
|
"jal " __STRING(func) "\n" \
|
|
"nop \n" \
|
|
"addu $sp, $sp, 8 \n" \
|
|
".set pop\n"
|
|
#else
|
|
#define INIT_CALL_SEQ(func) \
|
|
".set push \n" \
|
|
".set noreorder \n" \
|
|
"bal 1f \n" \
|
|
"nop \n" \
|
|
"1: \n" \
|
|
".cpsetup $ra, $zero, 1b \n" \
|
|
".local " __STRING(func) "\n" \
|
|
"jal " __STRING(func) "\n" \
|
|
"nop \n" \
|
|
".set pop\n"
|
|
#endif
|
|
|
|
#endif
|