Remove architecture specific sigreturn.S files.

All of these files are identical (modulo license blocks and VCS IDs) to
the files generated by lib/libc/sys/Makefile.inc and serve no purpose.

Reported by:	Ali Mashtizadeh <ali@mashtizadeh.com>
Reviewed by:	kib
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D14953

10 files changed, 3 insertions, 220 deletions

diff --git a/lib/libc/aarch64/sys/Makefile.inc b/lib/libc/aarch64/sys/Makefile.inc
index 60f9a98eea5c..6514fe1f3340 100644
--- a/lib/libc/aarch64/sys/Makefile.inc
+++ b/lib/libc/aarch64/sys/Makefile.inc
@@ -6,7 +6,6 @@ SRCS+=	__vdso_gettc.c
 
 MDASM=	cerror.S \
 	shmat.S \
-	sigreturn.S \
 	syscall.S \
 	vfork.S
 
diff --git a/lib/libc/aarch64/sys/sigreturn.S b/lib/libc/aarch64/sys/sigreturn.S
deleted file mode 100644
index 21ec1e456f5a..000000000000
--- a/lib/libc/aarch64/sys/sigreturn.S
+++ /dev/null
@@ -1,35 +0,0 @@
-/*-
- * Copyright (c) 2014 The FreeBSD Foundation
- * All rights reserved.
- *
- * This software was developed by Andrew Turner under
- * sponsorship from the FreeBSD Foundation.
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
- */
-
-#include <machine/asm.h>
-__FBSDID("$FreeBSD$");
-
-#include "SYS.h"
-
-RSYSCALL(sigreturn)
diff --git a/lib/libc/amd64/sys/Makefile.inc b/lib/libc/amd64/sys/Makefile.inc
index d49bab7daf18..1f0391efd1a8 100644
--- a/lib/libc/amd64/sys/Makefile.inc
+++ b/lib/libc/amd64/sys/Makefile.inc
@@ -9,7 +9,7 @@ SRCS+=	\
 	amd64_set_gsbase.c
 
 MDASM=	vfork.S brk.S cerror.S exect.S getcontext.S \
-	sbrk.S setlogin.S sigreturn.S
+	sbrk.S setlogin.S
 
 # Don't generate default code for these syscalls:
 NOASM+=	vfork.o
diff --git a/lib/libc/amd64/sys/sigreturn.S b/lib/libc/amd64/sys/sigreturn.S
deleted file mode 100644
index 171383add6f1..000000000000
--- a/lib/libc/amd64/sys/sigreturn.S
+++ /dev/null
@@ -1,48 +0,0 @@
-/*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * William Jolitz.
- *
- * 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. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
- */
-
-#if defined(SYSLIBC_SCCS) && !defined(lint)
-	.asciz "@(#)sigreturn.s	5.2 (Berkeley) 12/17/90"
-#endif /* SYSLIBC_SCCS and not lint */
-#include <machine/asm.h>
-__FBSDID("$FreeBSD$");
-
-#include "SYS.h"
-
-/*
- * NOTE: If the profiling ENTRY() code ever changes any registers, they
- * must be saved.   On FreeBSD, this is not the case.
- */
-
-RSYSCALL(sigreturn)
-
-	.section .note.GNU-stack,"",%progbits
diff --git a/lib/libc/arm/sys/Makefile.inc b/lib/libc/arm/sys/Makefile.inc
index 9b53030dd3c6..425f57a1dac3 100644
--- a/lib/libc/arm/sys/Makefile.inc
+++ b/lib/libc/arm/sys/Makefile.inc
@@ -2,7 +2,7 @@
 
 SRCS+=	__vdso_gettc.c
 
-MDASM= Ovfork.S brk.S cerror.S sbrk.S shmat.S sigreturn.S syscall.S
+MDASM= Ovfork.S brk.S cerror.S sbrk.S shmat.S syscall.S
 
 # Don't generate default code for these syscalls:
 NOASM+=	vfork.o
diff --git a/lib/libc/arm/sys/sigreturn.S b/lib/libc/arm/sys/sigreturn.S
deleted file mode 100644
index c377e4a296e4..000000000000
--- a/lib/libc/arm/sys/sigreturn.S
+++ /dev/null
@@ -1,44 +0,0 @@
-/*	$NetBSD: __sigreturn14.S,v 1.3 2003/08/07 16:42:03 agc Exp $	*/
-
-/*-
- * Copyright (c) 1990 The Regents of the University of California.
- * 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. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
- *
- *	from: @(#)sigreturn.s	5.2 (Berkeley) 12/17/90"
- */
-
-#include <machine/asm.h>
-__FBSDID("$FreeBSD$");
-#include "SYS.h"
-
-/*
- * We must preserve the state of the registers as the user has set them up.
- */
-
-RSYSCALL(sigreturn)
-
-	.section .note.GNU-stack,"",%progbits
diff --git a/lib/libc/i386/sys/Makefile.inc b/lib/libc/i386/sys/Makefile.inc
index 450948ec7f2f..d2627e75ea57 100644
--- a/lib/libc/i386/sys/Makefile.inc
+++ b/lib/libc/i386/sys/Makefile.inc
@@ -8,7 +8,7 @@ SRCS+=	i386_get_fsbase.c i386_get_gsbase.c i386_get_ioperm.c i386_get_ldt.c \
 	i386_set_fsbase.c i386_set_gsbase.c i386_set_ioperm.c i386_set_ldt.c
 
 MDASM=	Ovfork.S brk.S cerror.S exect.S getcontext.S \
-	sbrk.S setlogin.S sigreturn.S syscall.S
+	sbrk.S setlogin.S syscall.S
 
 NOASM+=	vfork.o
 
diff --git a/lib/libc/i386/sys/sigreturn.S b/lib/libc/i386/sys/sigreturn.S
deleted file mode 100644
index 171383add6f1..000000000000
--- a/lib/libc/i386/sys/sigreturn.S
+++ /dev/null
@@ -1,48 +0,0 @@
-/*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * William Jolitz.
- *
- * 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. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
- */
-
-#if defined(SYSLIBC_SCCS) && !defined(lint)
-	.asciz "@(#)sigreturn.s	5.2 (Berkeley) 12/17/90"
-#endif /* SYSLIBC_SCCS and not lint */
-#include <machine/asm.h>
-__FBSDID("$FreeBSD$");
-
-#include "SYS.h"
-
-/*
- * NOTE: If the profiling ENTRY() code ever changes any registers, they
- * must be saved.   On FreeBSD, this is not the case.
- */
-
-RSYSCALL(sigreturn)
-
-	.section .note.GNU-stack,"",%progbits
diff --git a/lib/libc/riscv/sys/Makefile.inc b/lib/libc/riscv/sys/Makefile.inc
index 00f1af11df35..153d5c96356b 100644
--- a/lib/libc/riscv/sys/Makefile.inc
+++ b/lib/libc/riscv/sys/Makefile.inc
@@ -5,7 +5,6 @@ SRCS+=	trivial-vdso_tc.c
 #MDASM= ptrace.S
 MDASM=	cerror.S \
 	shmat.S \
-	sigreturn.S \
 	syscall.S \
 	vfork.S
 
diff --git a/lib/libc/riscv/sys/sigreturn.S b/lib/libc/riscv/sys/sigreturn.S
deleted file mode 100644
index dfaee7a1233a..000000000000
--- a/lib/libc/riscv/sys/sigreturn.S
+++ /dev/null
@@ -1,40 +0,0 @@
-/*-
- * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
- * All rights reserved.
- *
- * Portions of this software were developed by SRI International and the
- * University of Cambridge Computer Laboratory under DARPA/AFRL contract
- * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
- *
- * Portions of this software were developed by the University of Cambridge
- * Computer Laboratory as part of the CTSRD Project, with support from the
- * UK Higher Education Innovation Fund (HEIF).
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
- */
-
-#include <machine/asm.h>
-__FBSDID("$FreeBSD$");
-
-#include "SYS.h"
-
-RSYSCALL(sigreturn)