arm libc support. From NetBSD. currently supports softfloat.

12 files changed, 629 insertions, 0 deletions

diff --git a/lib/libc/arch/arm/sys/Ovfork.S b/lib/libc/arch/arm/sys/Ovfork.S
new file mode 100644
index 00000000000..53383c5de42
--- /dev/null
+++ b/lib/libc/arch/arm/sys/Ovfork.S
@@ -0,0 +1,55 @@
+/*	$NetBSD: Ovfork.S,v 1.6 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: @(#)Ovfork.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include "SYS.h"
+
+WARN_REFERENCES(vfork, \
+    "warning: reference to compatibility vfork(); include <unistd.h> for correct reference")
+
+/*
+ * pid = vfork();
+ *
+ * On return from the SWI:
+ * r1 == 0 in parent process, r1 == 1 in child process.
+ * r0 == pid of child in parent, r0 == pid of parent in child.
+ */
+	.text
+	.align	0
+
+SYSENTRY(vfork)
+	mov	r2, r14
+	SYSTRAP(vfork)
+	bcs	PIC_SYM(CERROR, PLT)
+	sub	r1, r1, #1	/* r1 == 0xffffffff if parent, 0 if child */
+	and	r0, r0, r1	/* r0 == 0 if child, else unchanged */
+	mov	r15, r2
diff --git a/lib/libc/arch/arm/sys/brk.S b/lib/libc/arch/arm/sys/brk.S
new file mode 100644
index 00000000000..c6b50ecd41f
--- /dev/null
+++ b/lib/libc/arch/arm/sys/brk.S
@@ -0,0 +1,98 @@
+/*	$NetBSD: brk.S,v 1.6 2003/08/07 16:42:04 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: @(#)brk.s	5.2 (Berkeley) 12/17/90
+ */
+
+#include "SYS.h"
+
+	.globl	_C_LABEL(end)
+	.globl	CURBRK
+
+#ifdef WEAK_ALIAS
+WEAK_ALIAS(brk, _brk)
+#endif
+
+	.data
+	.align	0
+	.globl	_C_LABEL(__minbrk)
+	.type	_C_LABEL(__minbrk),#object
+_C_LABEL(__minbrk):
+	.word	_C_LABEL(end)
+
+/*
+ * Change the data segment size
+ */
+SYSENTRY(_brk)
+#ifdef PIC
+	/* Setup the GOT */
+	ldr	r3, .Lgot
+	add	r3, pc, r3
+.L1:
+	ldr	r1, .Lminbrk
+	ldr	r1, [r3, r1]
+#else
+	ldr	r1, .Lminbrk
+#endif
+	/* Get the minimum allowable brk address */
+	ldr	r1, [r1]
+
+	/*
+	 * Valid the address specified and set to the minimum
+	 * if the address is below minbrk.
+	 */
+	cmp	r0, r1
+	movlt	r0, r1
+	mov	r2, r0
+	SYSTRAP(break)
+	bcs	PIC_SYM(CERROR, PLT)
+
+#ifdef PIC
+	ldr	r1, .Lcurbrk
+	ldr	r1, [r3, r1]
+#else
+	ldr	r1, .Lcurbrk
+#endif
+	/* Store the new address in curbrk */
+	str	r2, [r1]
+
+	/* Return 0 for success */
+	mov	r0, #0x00000000
+	mov	r15, r14
+
+	.align	2
+#ifdef PIC
+.Lgot:
+	.word	_C_LABEL(_GLOBAL_OFFSET_TABLE_) + (. - (.L1+4))
+#endif
+.Lminbrk:
+	.word	PIC_SYM(_C_LABEL(__minbrk), GOT)
+.Lcurbrk:
+	.word	PIC_SYM(CURBRK, GOT)
diff --git a/lib/libc/arch/arm/sys/cerror.S b/lib/libc/arch/arm/sys/cerror.S
new file mode 100644
index 00000000000..2a06fca2f3e
--- /dev/null
+++ b/lib/libc/arch/arm/sys/cerror.S
@@ -0,0 +1,71 @@
+/*	$NetBSD: cerror.S,v 1.5 2003/08/07 16:42:04 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: @(#)cerror.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include "SYS.h"
+
+ASENTRY(CERROR)
+#ifdef _REENTRANT
+	stmfd	sp!, {r4, lr}
+	mov	r4, r0
+	bl	PIC_SYM(_C_LABEL(__errno), PLT)
+	str	r4, [r0]
+	mvn	r0, #0x00000000
+	mvn	r1, #0x00000000
+	ldmfd	sp!, {r4, pc}
+#else
+#ifdef PIC
+	/* Setup the GOT */
+	ldr	r3, .Lgot
+	add	r3, pc, r3
+.L1:
+	ldr	r1, .Lerrno
+	ldr	r1, [r3, r1]
+#else
+	ldr	r1, .Lerrno
+#endif /* PIC */
+	str	r0, [r1]
+	mvn	r0, #0x00000000
+	mvn	r1, #0x00000000
+	mov	pc, lr
+
+#ifdef PIC
+	.align	0
+.Lgot:
+	.word	_C_LABEL(_GLOBAL_OFFSET_TABLE_) + (. - (.L1+4))
+#endif /* PIC */
+
+	.globl	_C_LABEL(errno)
+
+.Lerrno:
+	.word	PIC_SYM(_C_LABEL(errno), GOT)
+#endif /* _REENTRANT */
diff --git a/lib/libc/arch/arm/sys/exect.S b/lib/libc/arch/arm/sys/exect.S
new file mode 100644
index 00000000000..07d9c5d863d
--- /dev/null
+++ b/lib/libc/arch/arm/sys/exect.S
@@ -0,0 +1,36 @@
+/*	$NetBSD: exect.S,v 1.4 2003/08/07 16:42:04 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: @(#)exect.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include "SYS.h"
+
+PSEUDO(exect,execve)
diff --git a/lib/libc/arch/arm/sys/fork.S b/lib/libc/arch/arm/sys/fork.S
new file mode 100644
index 00000000000..726e2414a6b
--- /dev/null
+++ b/lib/libc/arch/arm/sys/fork.S
@@ -0,0 +1,47 @@
+/*	$NetBSD: fork.S,v 1.5 2003/08/07 16:42:04 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: @(#)fork.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include "SYS.h"
+
+/*
+ * pid = fork();
+ *
+ * On return from the SWI:
+ * r1 == 0 in parent process, r1 == 1 in child process.
+ * r0 == pid of child in parent, r0 == pid of parent in child.
+ */
+
+_SYSCALL(fork,fork)
+	sub	r1, r1, #1	/* r1 == 0xffffffff if parent, 0 if child */
+	and	r0, r0, r1	/* r0 == 0 if child, else unchanged */
+	mov	r15, r14
diff --git a/lib/libc/arch/arm/sys/rfork.S b/lib/libc/arch/arm/sys/rfork.S
new file mode 100644
index 00000000000..75e011b76a7
--- /dev/null
+++ b/lib/libc/arch/arm/sys/rfork.S
@@ -0,0 +1,32 @@
+/* $OpenBSD: rfork.S,v 1.1 2004/02/01 05:30:41 drahn Exp $ */
+
+/*
+ * Copyright (c) 2004 Dale Rahn
+ *
+ * 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 ``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.
+ */
+
+/* pid = rfork() */
+
+#include "SYS.h"
+
+RSYSCALL(rfork)
diff --git a/lib/libc/arch/arm/sys/sbrk.S b/lib/libc/arch/arm/sys/sbrk.S
new file mode 100644
index 00000000000..46f4559e063
--- /dev/null
+++ b/lib/libc/arch/arm/sys/sbrk.S
@@ -0,0 +1,86 @@
+/*	$NetBSD: sbrk.S,v 1.7 2003/08/07 16:42:05 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: @(#)sbrk.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include "SYS.h"
+
+	.globl	_C_LABEL(end)
+
+#ifdef WEAK_ALIAS
+WEAK_ALIAS(sbrk, _sbrk)
+#endif
+
+	.data
+	.align	0
+	.globl	CURBRK
+	.type	CURBRK,#object
+CURBRK:
+	.word	_C_LABEL(end)
+
+/*
+ * Change the data segment size
+ */
+SYSENTRY(_sbrk)
+#ifdef PIC
+	/* Setup the GOT */
+	ldr	r3, .Lgot
+	add	r3, pc, r3
+.L1:
+	ldr	r2, .Lcurbrk
+	ldr	r2, [r3, r2]
+#else
+	ldr	r2, .Lcurbrk
+#endif
+	/* Get the current brk address */
+	ldr	r1, [r2]
+
+	/* Calculate new value */
+	mov	r3, r0
+	add	r0, r0, r1
+	SYSTRAP(break)
+	bcs	PIC_SYM(CERROR, PLT)
+
+	/* Store new curbrk value */
+	ldr	r0, [r2]
+	add	r1, r0, r3
+	str	r1, [r2]
+
+	/* Return old curbrk value */
+	mov	r15, r14
+
+	.align	0
+#ifdef PIC
+.Lgot:
+	.word	_C_LABEL(_GLOBAL_OFFSET_TABLE_) + (. - (.L1+4))
+#endif
+.Lcurbrk:
+	.word	PIC_SYM(CURBRK, GOT)
diff --git a/lib/libc/arch/arm/sys/sigpending.S b/lib/libc/arch/arm/sys/sigpending.S
new file mode 100644
index 00000000000..71f73b99f38
--- /dev/null
+++ b/lib/libc/arch/arm/sys/sigpending.S
@@ -0,0 +1,38 @@
+/*	$NetBSD: sigpending.S,v 1.5 2003/08/07 16:42:05 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: @(#)sigpending.s	5.1 (Berkeley) 7/1/90
+ */
+
+#include "SYS.h"
+
+#include "SYS.h"
+
+RSYSCALL(sigpending)
diff --git a/lib/libc/arch/arm/sys/sigprocmask.S b/lib/libc/arch/arm/sys/sigprocmask.S
new file mode 100644
index 00000000000..9c317d8067e
--- /dev/null
+++ b/lib/libc/arch/arm/sys/sigprocmask.S
@@ -0,0 +1,46 @@
+/*	$NetBSD: sigprocmask.S,v 1.5 2003/08/07 16:42:05 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: @(#)sigprocmask.s	5.2 (Berkeley) 12/17/90
+ */
+
+#include "SYS.h"
+
+SYSENTRY(sigprocmask)
+	teq	r1, #0x00000000
+	moveq	r0, #0x00000001
+	moveq	r1, #0x00000000
+	ldrne	r1, [r1]
+	SYSTRAP(sigprocmask)
+	bcs	PIC_SYM(CERROR, PLT)
+	teq	r2, #0x00000000
+	strne	r0, [r2]
+	mov	r0, #0x00000000
+	mov	r15, r14
diff --git a/lib/libc/arch/arm/sys/sigreturn.S b/lib/libc/arch/arm/sys/sigreturn.S
new file mode 100644
index 00000000000..62b2aa41836
--- /dev/null
+++ b/lib/libc/arch/arm/sys/sigreturn.S
@@ -0,0 +1,40 @@
+/*	$NetBSD: sigreturn.S,v 1.2 2003/08/07 16:42:05 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 "SYS.h"
+
+/*
+ * We must preserve the state of the registers as the user has set them up.
+ */
+
+RSYSCALL(sigreturn)
diff --git a/lib/libc/arch/arm/sys/sigsuspend.S b/lib/libc/arch/arm/sys/sigsuspend.S
new file mode 100644
index 00000000000..c39fba966af
--- /dev/null
+++ b/lib/libc/arch/arm/sys/sigsuspend.S
@@ -0,0 +1,44 @@
+/*	$NetBSD: sigsuspend.S,v 1.6 2003/08/07 16:42:05 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: @(#)sigsuspend.s	5.2 (Berkeley) 12/17/90
+ */
+
+#include "SYS.h"
+
+WARN_REFERENCES(sigsuspend, \
+    "warning: reference to compatibility sigsuspend(); include <signal.h> for correct reference")
+
+SYSENTRY(sigsuspend)
+	ldr	r0, [r0]
+	SYSTRAP(sigsuspend)
+	bcs	PIC_SYM(CERROR, PLT)
+	mov	r0, #0x00000000
+	mov	r15, r14
diff --git a/lib/libc/arch/arm/sys/syscall.S b/lib/libc/arch/arm/sys/syscall.S
new file mode 100644
index 00000000000..43c826145e0
--- /dev/null
+++ b/lib/libc/arch/arm/sys/syscall.S
@@ -0,0 +1,36 @@
+/*	$NetBSD: syscall.S,v 1.4 2003/08/07 16:42:05 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: @(#)syscall.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include "SYS.h"
+
+RSYSCALL(syscall)