diff options
Diffstat (limited to 'lib/libc/arm/sys')
-rw-r--r-- | lib/libc/arm/sys/Makefile.inc | 9 | ||||
-rw-r--r-- | lib/libc/arm/sys/Ovfork.S | 57 | ||||
-rw-r--r-- | lib/libc/arm/sys/brk.S | 100 | ||||
-rw-r--r-- | lib/libc/arm/sys/cerror.S | 76 | ||||
-rw-r--r-- | lib/libc/arm/sys/fork.S | 49 | ||||
-rw-r--r-- | lib/libc/arm/sys/getcontext.S | 63 | ||||
-rw-r--r-- | lib/libc/arm/sys/pipe.S | 49 | ||||
-rw-r--r-- | lib/libc/arm/sys/ptrace.S | 77 | ||||
-rw-r--r-- | lib/libc/arm/sys/sbrk.S | 88 | ||||
-rw-r--r-- | lib/libc/arm/sys/shmat.S | 7 | ||||
-rw-r--r-- | lib/libc/arm/sys/sigreturn.S | 42 | ||||
-rw-r--r-- | lib/libc/arm/sys/syscall.S | 38 |
12 files changed, 655 insertions, 0 deletions
diff --git a/lib/libc/arm/sys/Makefile.inc b/lib/libc/arm/sys/Makefile.inc new file mode 100644 index 0000000..e7b9669 --- /dev/null +++ b/lib/libc/arm/sys/Makefile.inc @@ -0,0 +1,9 @@ +# $FreeBSD$ + +MDASM= Ovfork.S brk.S cerror.S getcontext.S pipe.S ptrace.S sbrk.S shmat.S sigreturn.S syscall.S + +# Don't generate default code for these syscalls: +NOASM= break.o exit.o ftruncate.o getdomainname.o getlogin.o \ + lseek.o mmap.o openbsd_poll.o pread.o \ + pwrite.o setdomainname.o sstk.o truncate.o uname.o vfork.o yield.o +PSEUDO= _exit.o _getlogin.o diff --git a/lib/libc/arm/sys/Ovfork.S b/lib/libc/arm/sys/Ovfork.S new file mode 100644 index 0000000..0082bbc --- /dev/null +++ b/lib/libc/arm/sys/Ovfork.S @@ -0,0 +1,57 @@ +/* $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 <machine/asm.h> +__FBSDID("$FreeBSD$"); +#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 + +ENTRY(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/arm/sys/brk.S b/lib/libc/arm/sys/brk.S new file mode 100644 index 0000000..8112e91 --- /dev/null +++ b/lib/libc/arm/sys/brk.S @@ -0,0 +1,100 @@ +/* $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 <machine/asm.h> +__FBSDID("$FreeBSD$"); +#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 + */ +ENTRY(_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 _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/arm/sys/cerror.S b/lib/libc/arm/sys/cerror.S new file mode 100644 index 0000000..b0f04a6 --- /dev/null +++ b/lib/libc/arm/sys/cerror.S @@ -0,0 +1,76 @@ +/* $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 <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include "SYS.h" + +.globl _C_LABEL(__error) +.type _C_LABEL(__error),%function + +ASENTRY(CERROR) +#if 1 + stmfd sp!, {r4, lr} + mov r4, r0 + bl PIC_SYM(_C_LABEL(__error), 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 + +#if 0 + .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/arm/sys/fork.S b/lib/libc/arm/sys/fork.S new file mode 100644 index 0000000..fb07c87 --- /dev/null +++ b/lib/libc/arm/sys/fork.S @@ -0,0 +1,49 @@ +/* $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 <machine/asm.h> +__FBSDID("$FreeBSD$"); +#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) + 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/arm/sys/getcontext.S b/lib/libc/arm/sys/getcontext.S new file mode 100644 index 0000000..e905259 --- /dev/null +++ b/lib/libc/arm/sys/getcontext.S @@ -0,0 +1,63 @@ +/* $NetBSD: getcontext.S,v 1.3 2003/04/05 23:08:52 bjh21 Exp $ */ + +/*- + * Copyright (c) 2001 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Klaus Klein. + * + * 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 the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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" + +#if defined(SYSLIBC_SCCS) && !defined(lint) + RCSID("$NetBSD: getcontext.S,v 1.3 2003/04/05 23:08:52 bjh21 Exp $") +#endif /* SYSLIBC_SCCS && !lint */ + +#ifdef WEAK_ALIAS +WEAK_ALIAS(getcontext, _getcontext) +#endif + +ENTRY(_getcontext) + mov r2, r0 /* Must save argument pointer. */ + swi SYS_getcontext + bcs PIC_SYM(CERROR, PLT) + str lr, [r2, #(36 + 15*4)] /* Adjust PC. */ +#ifdef SOFTFLOAT + /* Ahem. */ + /* Judging from the softfloat code we should at least save + the exception codes and rounding mode here. */ +#endif + mov r0, #0 + str r0, [r2, #(36 + 0*4)] /* Return 0. */ + mov pc, lr diff --git a/lib/libc/arm/sys/pipe.S b/lib/libc/arm/sys/pipe.S new file mode 100644 index 0000000..59ddd88 --- /dev/null +++ b/lib/libc/arm/sys/pipe.S @@ -0,0 +1,49 @@ +/* $NetBSD: pipe.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: @(#)pipe.s 5.1 (Berkeley) 4/23/90 + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include "SYS.h" + +#ifdef WEAK_ALIAS +WEAK_ALIAS(pipe, _pipe) +#endif + +ENTRY(_pipe) + mov r2, r0 + SYSTRAP(pipe) + bcs PIC_SYM(CERROR, PLT) + str r0, [r2, #0x0000] + str r1, [r2, #0x0004] + mov r0, #0x00000000 + mov r15, r14 diff --git a/lib/libc/arm/sys/ptrace.S b/lib/libc/arm/sys/ptrace.S new file mode 100644 index 0000000..0aa1122 --- /dev/null +++ b/lib/libc/arm/sys/ptrace.S @@ -0,0 +1,77 @@ +/* $NetBSD: ptrace.S,v 1.7 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: @(#)ptrace.s 5.1 (Berkeley) 4/23/90 + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include "SYS.h" + +ENTRY(ptrace) +#ifdef _REENTRANT + stmfd sp!, {r0-r3, lr} + sub sp, sp, #4 /* align stack */ + bl PIC_SYM(_C_LABEL(__errno), PLT) + add sp, sp, #4 /* unalign stack */ + mov r1, #0x00000000 + str r1, [r0] + ldmfd sp!, {r0-r3, lr} +#else + stmfd sp!, {r0, r1} +#ifdef PIC + /* Setup the GOT */ + ldr r0, .Lgot + add r0, pc, r0 +.L1: + ldr r1, .Lerrno + ldr r1, [r0, r1] +#else + ldr r1, .Lerrno +#endif /* PIC */ + mov r0, #0x00000000 + str r0, [r1] + ldmfd sp!, {r0, r1} +#endif /* _REENTRANT */ + + SYSTRAP(ptrace) + bcs PIC_SYM(CERROR, PLT) + mov pc, lr + +#ifndef _REENTRANT +#ifdef PIC + .align 0 +.Lgot: + .word _C_LABEL(_GLOBAL_OFFSET_TABLE_) + (. - (.L1+4)) +#endif /* PIC */ + +.Lerrno: + .word PIC_SYM(_C_LABEL(errno), GOT) +#endif /* !_REENTRANT */ diff --git a/lib/libc/arm/sys/sbrk.S b/lib/libc/arm/sys/sbrk.S new file mode 100644 index 0000000..cca380d --- /dev/null +++ b/lib/libc/arm/sys/sbrk.S @@ -0,0 +1,88 @@ +/* $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 <machine/asm.h> +__FBSDID("$FreeBSD$"); +#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 + */ +ENTRY(_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 _GLOBAL_OFFSET_TABLE_ - (.L1+4) +#endif +.Lcurbrk: + .word PIC_SYM(CURBRK, GOT) diff --git a/lib/libc/arm/sys/shmat.S b/lib/libc/arm/sys/shmat.S new file mode 100644 index 0000000..3fc3d02 --- /dev/null +++ b/lib/libc/arm/sys/shmat.S @@ -0,0 +1,7 @@ +/* $NetBSD: shmat.S,v 1.1 2000/12/29 20:14:04 bjh21 Exp $ */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include "SYS.h" + +RSYSCALL(shmat) diff --git a/lib/libc/arm/sys/sigreturn.S b/lib/libc/arm/sys/sigreturn.S new file mode 100644 index 0000000..1e0f245 --- /dev/null +++ b/lib/libc/arm/sys/sigreturn.S @@ -0,0 +1,42 @@ +/* $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) diff --git a/lib/libc/arm/sys/syscall.S b/lib/libc/arm/sys/syscall.S new file mode 100644 index 0000000..73e6b83 --- /dev/null +++ b/lib/libc/arm/sys/syscall.S @@ -0,0 +1,38 @@ +/* $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 <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include "SYS.h" + +RSYSCALL(syscall) |