git: e8399cfbbd25 - main - mips: Remove CSU

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From: Warner Losh <imp_at_FreeBSD.org>
Date: Fri, 31 Dec 2021 07:15:32 UTC
The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=e8399cfbbd25ad2b7976041ebec75f6176d478c9

commit e8399cfbbd25ad2b7976041ebec75f6176d478c9
Author:     Warner Losh <imp@FreeBSD.org>
AuthorDate: 2021-12-31 05:48:17 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2021-12-31 07:14:52 +0000

    mips: Remove CSU
    
    Remove the CSU support for mips.
    
    Sponsored by:           Netflix
---
 lib/csu/mips/Makefile        | 28 --------------
 lib/csu/mips/Makefile.depend | 12 ------
 lib/csu/mips/crt.h           | 60 -----------------------------
 lib/csu/mips/crt1_c.c        | 91 --------------------------------------------
 lib/csu/mips/crti.S          | 53 --------------------------
 lib/csu/mips/crtn.S          | 25 ------------
 6 files changed, 269 deletions(-)

diff --git a/lib/csu/mips/Makefile b/lib/csu/mips/Makefile
deleted file mode 100644
index 372f98d5b18e..000000000000
--- a/lib/csu/mips/Makefile
+++ /dev/null
@@ -1,28 +0,0 @@
-# $FreeBSD$
-
-.PATH: ${.CURDIR:H}/common
-
-.include <src.opts.mk>
-
-CFLAGS+=	-DCRT_IRELOC_SUPPRESS
-
-.if ${MACHINE_ARCH:Mmips64}
-ELFCLASS=	64
-.else
-ELFCLASS=	32
-.endif
-.if ${MACHINE_ARCH:Mmips*el}
-ENDIAN=		l
-.else
-ENDIAN=		b
-.endif
-.if ${MACHINE_ARCH:Mmipsn32*}
-SUFFIX=		n32
-.else
-SUFFIX=
-.endif
-
-# binutils requires an explicit emulation for ld -r
-LDFLAGS.bfd+=	-Wl,-m -Wl,elf${ELFCLASS}${ENDIAN}tsmip${SUFFIX}_fbsd
-
-.include <bsd.lib.mk>
diff --git a/lib/csu/mips/Makefile.depend b/lib/csu/mips/Makefile.depend
deleted file mode 100644
index 79506ce16b79..000000000000
--- a/lib/csu/mips/Makefile.depend
+++ /dev/null
@@ -1,12 +0,0 @@
-# $FreeBSD$
-# Autogenerated - do NOT edit!
-
-DIRDEPS = \
-	include \
-
-
-.include <dirdeps.mk>
-
-.if ${DEP_RELDIR} == ${_DEP_RELDIR}
-# local dependencies - needed for -jN in clean tree
-.endif
diff --git a/lib/csu/mips/crt.h b/lib/csu/mips/crt.h
deleted file mode 100644
index b7bf991cf991..000000000000
--- a/lib/csu/mips/crt.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/*-
- * 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
diff --git a/lib/csu/mips/crt1_c.c b/lib/csu/mips/crt1_c.c
deleted file mode 100644
index b753f7b707bd..000000000000
--- a/lib/csu/mips/crt1_c.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-4-Clause
- *
- * Copyright 1996-1998 John D. Polstra.
- * All rights reserved.
- * Copyright (c) 1995 Christopher G. Demetriou
- * All rights reserved.
- *
- * 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.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *      This product includes software developed by Christopher G. Demetriou
- *    for the NetBSD Project.
- * 4. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission
- *
- * 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.
- *
- * $FreeBSD$
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <stdlib.h>
-#include "libc_private.h"
-#include "ignore_init.c"
-
-struct Struct_Obj_Entry;
-struct ps_strings;
-
-#ifdef GCRT
-extern void _mcleanup(void);
-extern void monstartup(void *, void *);
-extern int eprol;
-extern int etext;
-#endif
-
-void __start(char **, void (*)(void), struct Struct_Obj_Entry *, struct ps_strings *);
-
-/* The entry function. */
-void
-__start(char **ap,
-	void (*cleanup)(void),			/* from shared loader */
-	struct Struct_Obj_Entry *obj __unused,	/* from shared loader */
-	struct ps_strings *ps_strings __unused)
-{
-	int argc;
-	char **argv;
-	char **env;
-
-	argc = * (long *) ap;
-	argv = ap + 1;
-	env  = ap + 2 + argc;
-	handle_argv(argc, argv, env);
-
-	if (&_DYNAMIC != NULL)
-		atexit(cleanup);
-	else
-		_init_tls();
-
-#ifdef GCRT
-	atexit(_mcleanup);
-	monstartup(&eprol, &etext);
-#endif
-
-	handle_static_init(argc, argv, env);
-	exit(main(argc, argv, env));
-}
-
-#ifdef GCRT
-__asm__(".text");
-__asm__("eprol:");
-__asm__(".previous");
-#endif
diff --git a/lib/csu/mips/crti.S b/lib/csu/mips/crti.S
deleted file mode 100644
index 7289f0a91f47..000000000000
--- a/lib/csu/mips/crti.S
+++ /dev/null
@@ -1,53 +0,0 @@
-#include <machine/asm.h>
-__FBSDID("$FreeBSD$");
-
-#ifndef __clang__
-	.gnu_attribute 4, 0
-#endif
-	.section .init,"ax",%progbits
-	.align 4
-	.globl	_init
-	.type	_init,%function
-_init:
-	.set noreorder
-#if defined(__ABICALLS__) && (defined(__mips_o32) || defined(__mips_o64))
-	SETUP_GP
-#endif
-	PTR_ADDU sp, sp, -CALLFRAME_SIZ
-	REG_S	ra, CALLFRAME_RA(sp)
-#if defined(__ABICALLS__)
-#if defined(__mips_o32) || defined(__mips_o64)
-	SAVE_GP(CALLFRAME_GP)
-#else
-	SETUP_GP64(CALLFRAME_GP, _init)
-#endif
-#else /* __ABICALLS__ */
-#if defined(__mips_n32) || defined(__mips_n64)
-	REG_S	gp, CALLFRAME_GP(sp)
-#endif
-#endif
-	.set reorder
-
-	.section .fini,"ax",%progbits
-	.align 4
-	.globl	_fini
-	.type	_fini,%function
-_fini:
-	.set noreorder
-#if defined(__ABICALLS__) && (defined(__mips_o32) || defined(__mips_o64))
-	SETUP_GP
-#endif
-	PTR_ADDU sp, sp, -CALLFRAME_SIZ
-	REG_S	ra, CALLFRAME_RA(sp)
-#if defined(__ABICALLS__)
-#if defined(__mips_o32) || defined(__mips_o64)
-	SAVE_GP(CALLFRAME_GP)
-#else
-	SETUP_GP64(CALLFRAME_GP, _fini)
-#endif
-#else /* __ABICALLS__ */
-#if defined(__mips_n32) || defined(__mips_n64)
-	REG_S	gp, CALLFRAME_GP(sp)
-#endif
-#endif
-	.set reorder
diff --git a/lib/csu/mips/crtn.S b/lib/csu/mips/crtn.S
deleted file mode 100644
index db03f6c65d20..000000000000
--- a/lib/csu/mips/crtn.S
+++ /dev/null
@@ -1,25 +0,0 @@
-#include <machine/asm.h>
-__FBSDID("$FreeBSD$");
-
-#ifndef __clang__
-	.gnu_attribute 4, 0
-#endif
-	.section .init,"ax",%progbits
-	.set noreorder
-#if defined(__ABICALLS__) && (defined(__mips_n32) || defined(__mips_n64))
-	REG_L	gp, CALLFRAME_GP(sp)
-#endif
-	REG_L	ra, CALLFRAME_RA(sp)
-	jr	ra
-	PTR_ADDU sp, sp, CALLFRAME_SIZ
-	.set reorder
-
-	.section .fini,"ax",%progbits
-	.set noreorder
-#if defined(__ABICALLS__) && (defined(__mips_n32) || defined(__mips_n64))
-	REG_L	gp, CALLFRAME_GP(sp)
-#endif
-	REG_L	ra, CALLFRAME_RA(sp)
-	jr	ra
-	PTR_ADDU sp, sp, CALLFRAME_SIZ
-	.set reorder