diff options
-rw-r--r-- | lib/libc/powerpc/gen/Makefile.inc | 6 | ||||
-rw-r--r-- | lib/libc/powerpc/gen/_setjmp.S | 71 | ||||
-rw-r--r-- | lib/libc/powerpc/gen/frexp.c | 56 | ||||
-rw-r--r-- | lib/libc/powerpc/gen/infinity.c | 14 | ||||
-rw-r--r-- | lib/libc/powerpc/gen/isinf.c | 54 | ||||
-rw-r--r-- | lib/libc/powerpc/gen/ldexp.c | 155 | ||||
-rw-r--r-- | lib/libc/powerpc/gen/modf.c | 107 | ||||
-rw-r--r-- | lib/libc/powerpc/gen/setjmp.S | 91 | ||||
-rw-r--r-- | lib/libc/powerpc/gen/sigsetjmp.S | 97 | ||||
-rw-r--r-- | lib/libc/powerpc/gen/syncicache.c | 98 | ||||
-rw-r--r-- | lib/libc/powerpc/sys/Makefile.inc | 11 | ||||
-rw-r--r-- | lib/libc/powerpc/sys/brk.S | 73 | ||||
-rw-r--r-- | lib/libc/powerpc/sys/cerror.S | 57 | ||||
-rw-r--r-- | lib/libc/powerpc/sys/exect.S | 39 | ||||
-rw-r--r-- | lib/libc/powerpc/sys/pipe.S | 43 | ||||
-rw-r--r-- | lib/libc/powerpc/sys/ptrace.S | 58 | ||||
-rw-r--r-- | lib/libc/powerpc/sys/sbrk.S | 70 | ||||
-rw-r--r-- | lib/libc/powerpc/sys/setlogin.S | 49 |
18 files changed, 1149 insertions, 0 deletions
diff --git a/lib/libc/powerpc/gen/Makefile.inc b/lib/libc/powerpc/gen/Makefile.inc new file mode 100644 index 0000000..a55e204 --- /dev/null +++ b/lib/libc/powerpc/gen/Makefile.inc @@ -0,0 +1,6 @@ +# $FreeBSD$ + +SRCS += frexp.c infinity.c isinf.c ldexp.c modf.c _setjmp.S setjmp.S \ + sigsetjmp.S syncicache.c + + diff --git a/lib/libc/powerpc/gen/_setjmp.S b/lib/libc/powerpc/gen/_setjmp.S new file mode 100644 index 0000000..6d6e5e0 --- /dev/null +++ b/lib/libc/powerpc/gen/_setjmp.S @@ -0,0 +1,71 @@ +/*- + * Copyright (c) 2002 Peter Grehan. + * 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. + * + * 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. + */ +/* $NetBSD: _setjmp.S,v 1.1 1997/03/29 20:55:53 thorpej Exp $ */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +/* + * C library -- _setjmp, _longjmp + * + * _longjmp(a,v) + * will generate a "return(v?v:1)" from the last call to + * _setjmp(a) + * by restoring registers from the stack. + * The previous signal state is NOT restored. + * + * jmpbuf layout: + * +------------+ + * | unused | + * +------------+ + * | unused | + * | | + * | (4 words) | + * | | + * +------------+ + * | saved regs | + * | ... | + */ + +ENTRY(_setjmp) + mflr %r11 + mfcr %r12 + mr %r10,%r1 + mr %r9,%r2 + stmw %r9,20(%r3) + li %r3,0 + blr + +ENTRY(_longjmp) + lmw %r9,20(%r3) + mtlr %r11 + mtcr %r12 + mr %r2,%r9 + mr %r1,%r10 + or. %r3,%r4,%r4 + bnelr + li %r3,1 + blr diff --git a/lib/libc/powerpc/gen/frexp.c b/lib/libc/powerpc/gen/frexp.c new file mode 100644 index 0000000..386c36b --- /dev/null +++ b/lib/libc/powerpc/gen/frexp.c @@ -0,0 +1,56 @@ +/* + * Copyright (c) 1994, 1995 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Chris G. Demetriou + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + * + * $NetBSD: frexp.c,v 1.1 1995/02/10 17:50:22 cgd Exp $ + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <machine/ieee.h> +#include <math.h> + +double +frexp(value, eptr) + double value; + int *eptr; +{ + union doub { + double v; + struct ieee_double s; + } u; + + if (value) { + u.v = value; + *eptr = u.s.dbl_exp - (DBL_EXP_BIAS - 1); + u.s.dbl_exp = DBL_EXP_BIAS - 1; + return(u.v); + } else { + *eptr = 0; + return((double)0); + } +} diff --git a/lib/libc/powerpc/gen/infinity.c b/lib/libc/powerpc/gen/infinity.c new file mode 100644 index 0000000..428f24d --- /dev/null +++ b/lib/libc/powerpc/gen/infinity.c @@ -0,0 +1,14 @@ +#include <sys/cdefs.h> +#if 0 +#if defined(LIBC_SCCS) && !defined(lint) +__RCSID("$NetBSD: infinity.c,v 1.2 1998/11/14 19:31:02 christos Exp $"); +#endif /* LIBC_SCCS and not lint */ +#endif +__FBSDID("$FreeBSD$"); + +/* infinity.c */ + +#include <math.h> + +/* bytes for +Infinity on powerpc */ +const union __infinity_un __infinity = { { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } }; diff --git a/lib/libc/powerpc/gen/isinf.c b/lib/libc/powerpc/gen/isinf.c new file mode 100644 index 0000000..b162817 --- /dev/null +++ b/lib/libc/powerpc/gen/isinf.c @@ -0,0 +1,54 @@ +/* + * Copyright (c) 1994, 1995 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Chris G. Demetriou + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + * + * $NetBSD: isinf.c,v 1.1 1995/02/10 17:50:23 cgd Exp $ + * from: FreeBSD: src/lib/libc/alpha/gen/isinf.c,v 1.2 2000/05/10 + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <machine/ieee.h> +#include <math.h> + +int +isnan(double d) +{ + struct ieee_double *p = (struct ieee_double *)&d; + + return (p->dbl_exp == DBL_EXP_INFNAN && + (p->dbl_frach || p->dbl_fracl)); +} + +int +isinf(double d) +{ + struct ieee_double *p = (struct ieee_double *)&d; + + return (p->dbl_exp == DBL_EXP_INFNAN && + !p->dbl_frach && !p->dbl_fracl); +} diff --git a/lib/libc/powerpc/gen/ldexp.c b/lib/libc/powerpc/gen/ldexp.c new file mode 100644 index 0000000..3a85612 --- /dev/null +++ b/lib/libc/powerpc/gen/ldexp.c @@ -0,0 +1,155 @@ +/*- + * Copyright (c) 1999 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Charles M. Hannum. + * + * 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 <sys/cdefs.h> +#if 0 +#if defined(LIBC_SCCS) && !defined(lint) +__RCSID("$NetBSD: ldexp.c,v 1.8 1999/08/30 18:28:26 mycroft Exp $"); +#endif /* LIBC_SCCS and not lint */ +#endif +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <machine/ieee.h> +#include <errno.h> +#include <math.h> + +/* + * Multiply the given value by 2^exp. + */ +double +ldexp(val, exp) + double val; + int exp; +{ + int oldexp, newexp; + union { + double v; + struct ieee_double s; + } u, mul; + + u.v = val; + oldexp = u.s.dbl_exp; + + /* + * If input is zero, Inf or NaN, just return it. + */ + if (u.v == 0.0 || oldexp == DBL_EXP_INFNAN) + return (val); + + if (oldexp == 0) { + /* + * u.v is denormal. We must adjust it so that the exponent + * arithmetic below will work. + */ + if (exp <= DBL_EXP_BIAS) { + /* + * Optimization: if the scaling can be done in a single + * multiply, or underflows, just do it now. + */ + if (exp <= -DBL_FRACBITS) { + errno = ERANGE; + return (0.0); + } + mul.v = 0.0; + mul.s.dbl_exp = exp + DBL_EXP_BIAS; + u.v *= mul.v; + if (u.v == 0.0) { + errno = ERANGE; + return (0.0); + } + return (u.v); + } else { + /* + * We know that exp is very large, and therefore the + * result cannot be denormal (though it may be Inf). + * Shift u.v by just enough to make it normal. + */ + mul.v = 0.0; + mul.s.dbl_exp = DBL_FRACBITS + DBL_EXP_BIAS; + u.v *= mul.v; + exp -= DBL_FRACBITS; + oldexp = u.s.dbl_exp; + } + } + + /* + * u.v is now normalized and oldexp has been adjusted if necessary. + * Calculate the new exponent and check for underflow and overflow. + */ + newexp = oldexp + exp; + + if (newexp <= 0) { + /* + * The output number is either denormal or underflows (see + * comments in machine/ieee.h). + */ + if (newexp <= -DBL_FRACBITS) { + errno = ERANGE; + return (0.0); + } + /* + * Denormalize the result. We do this with a multiply. If exp + * is very large, it won't fit in a double, so we have to + * adjust the exponent first. This is safe because we know + * that u.v is normal at this point. + */ + if (exp <= -DBL_EXP_BIAS) { + u.s.dbl_exp = 1; + exp += oldexp - 1; + } + mul.v = 0.0; + mul.s.dbl_exp = exp + DBL_EXP_BIAS; + u.v *= mul.v; + return (u.v); + } else if (newexp >= DBL_EXP_INFNAN) { + /* + * The result overflowed; return +/-Inf. + */ + u.s.dbl_exp = DBL_EXP_INFNAN; + u.s.dbl_frach = 0; + u.s.dbl_fracl = 0; + errno = ERANGE; + return (u.v); + } else { + /* + * The result is normal; just replace the old exponent with the + * new one. + */ + u.s.dbl_exp = newexp; + return (u.v); + } +} diff --git a/lib/libc/powerpc/gen/modf.c b/lib/libc/powerpc/gen/modf.c new file mode 100644 index 0000000..37786dc --- /dev/null +++ b/lib/libc/powerpc/gen/modf.c @@ -0,0 +1,107 @@ +/* + * Copyright (c) 1994, 1995 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Chris G. Demetriou + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + * + * $NetBSD: modf.c,v 1.1 1995/02/10 17:50:25 cgd Exp $ + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <machine/ieee.h> +#include <errno.h> +#include <math.h> + +/* + * double modf(double val, double *iptr) + * returns: f and i such that |f| < 1.0, (f + i) = val, and + * sign(f) == sign(i) == sign(val). + * + * Beware signedness when doing subtraction, and also operand size! + */ +double +modf(val, iptr) + double val, *iptr; +{ + union doub { + double v; + struct ieee_double s; + } u, v; + u_int64_t frac; + + /* + * If input is Inf or NaN, return it and leave i alone. + */ + u.v = val; + if (u.s.dbl_exp == DBL_EXP_INFNAN) + return (u.v); + + /* + * If input can't have a fractional part, return + * (appropriately signed) zero, and make i be the input. + */ + if ((int)u.s.dbl_exp - DBL_EXP_BIAS > DBL_FRACBITS - 1) { + *iptr = u.v; + v.v = 0.0; + v.s.dbl_sign = u.s.dbl_sign; + return (v.v); + } + + /* + * If |input| < 1.0, return it, and set i to the appropriately + * signed zero. + */ + if (u.s.dbl_exp < DBL_EXP_BIAS) { + v.v = 0.0; + v.s.dbl_sign = u.s.dbl_sign; + *iptr = v.v; + return (u.v); + } + + /* + * There can be a fractional part of the input. + * If you look at the math involved for a few seconds, it's + * plain to see that the integral part is the input, with the + * low (DBL_FRACBITS - (exponent - DBL_EXP_BIAS)) bits zeroed, + * the the fractional part is the part with the rest of the + * bits zeroed. Just zeroing the high bits to get the + * fractional part would yield a fraction in need of + * normalization. Therefore, we take the easy way out, and + * just use subtraction to get the fractional part. + */ + v.v = u.v; + /* Zero the low bits of the fraction, the sleazy way. */ + frac = ((u_int64_t)v.s.dbl_frach << 32) + v.s.dbl_fracl; + frac >>= DBL_FRACBITS - (u.s.dbl_exp - DBL_EXP_BIAS); + frac <<= DBL_FRACBITS - (u.s.dbl_exp - DBL_EXP_BIAS); + v.s.dbl_fracl = frac & 0xffffffff; + v.s.dbl_frach = frac >> 32; + *iptr = v.v; + + u.v -= v.v; + u.s.dbl_sign = v.s.dbl_sign; + return (u.v); +} diff --git a/lib/libc/powerpc/gen/setjmp.S b/lib/libc/powerpc/gen/setjmp.S new file mode 100644 index 0000000..a796120 --- /dev/null +++ b/lib/libc/powerpc/gen/setjmp.S @@ -0,0 +1,91 @@ +/*- + * Copyright (c) 2002 Peter Grehan. + * 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. + * + * 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. + */ +/* $NetBSD: setjmp.S,v 1.3 1998/10/03 12:30:38 tsubai Exp $ */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#include <sys/syscall.h> + +/* + * C library -- setjmp, longjmp + * + * longjmp(a,v) + * will generate a "return(v?v:1)" from the last call to + * setjmp(a) + * by restoring registers from the stack. + * The previous signal state is restored. + * + * jmpbuf layout: + * +------------+ + * | unused | + * +------------+ + * | sig state | + * | | + * | (4 words) | + * | | + * +------------+ + * | saved regs | + * | ... | + */ + +ENTRY(setjmp) + mr %r6,%r3 + li %r3,1 /* SIG_BLOCK, but doesn't matter */ + /* since set == NULL */ + li %r4,0 /* set = NULL */ + mr %r5,%r6 /* &oset */ + addi %r5,%r5,4 + li %r0, SYS_sigprocmask /*sigprocmask(SIG_BLOCK, NULL, &oset)*/ + sc /*assume no error XXX */ + mflr %r11 /* r11 <- link reg */ + mfcr %r12 /* r12 <- condition reg */ + mr %r10,%r1 /* r10 <- stackptr */ + mr %r9,%r2 /* r9 <- global ptr */ + stmw %r9,20(%r6) + li %r3,0 /* return (0) */ + blr + + .weak CNAME(longjmp) + .set CNAME(longjmp),CNAME(__longjmp) +ENTRY(__longjmp) + lmw %r9,20(%r3) /* restore regs */ + mr %r6,%r4 /* save val param */ + mtlr %r11 /* r11 -> link reg */ + mtcr %r12 /* r12 -> condition reg */ + mr %r2,%r9 /* r9 -> global ptr */ + mr %r1,%r10 /* r10 -> stackptr */ + mr %r4,%r3 + li %r3,3 /* SIG_SETMASK */ + addi %r4,%r4,4 /* &set */ + li %r5,0 /* oset = NULL */ + li %r0,SYS_sigprocmask /* sigprocmask(SIG_SET, &set, NULL) */ + sc /* assume no error XXX */ + or. %r3,%r6,%r6 + bnelr + li %r3,1 + blr + diff --git a/lib/libc/powerpc/gen/sigsetjmp.S b/lib/libc/powerpc/gen/sigsetjmp.S new file mode 100644 index 0000000..3d5d1e5 --- /dev/null +++ b/lib/libc/powerpc/gen/sigsetjmp.S @@ -0,0 +1,97 @@ +/*- + * Copyright (c) 2002 Peter Grehan. + * 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. + * + * 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. + */ +/* $NetBSD: sigsetjmp.S,v 1.4 1998/10/03 12:30:38 tsubai Exp $ */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +/* + * C library -- sigsetjmp, siglongjmp + * + * siglongjmp(a,v) + * will generate a "return(v?v:1)" from the last call to + * sigsetjmp(a, savemask) + * by restoring registers from the stack. + * The previous signal state is restored if savemask is non-zero + * + * jmpbuf layout: + * +------------+ + * | savemask | + * +------------+ + * | sig state | + * | | + * | (4 words) | + * | | + * +------------+ + * | saved regs | + * | ... | + */ + + +#include <sys/syscall.h> + +ENTRY(sigsetjmp) + mr %r6,%r3 + stw %r4,0(%r3) + or. %r7,%r4,%r4 + beq 1f + li %r3,1 /* SIG_BLOCK, but doesn't matter */ + /* since set == NULL */ + li %r4,0 /* set = NULL */ + mr %r5,%r6 /* &oset */ + addi %r5,%r5,4 + li %r0, SYS_sigprocmask /* sigprocmask(SIG_BLOCK, NULL, &oset)*/ + sc /* assume no error XXX */ +1: + mflr %r11 + mfcr %r12 + mr %r10,%r1 + mr %r9,%r2 + stmw %r9,20(%r6) + li %r3,0 + blr + +ENTRY(siglongjmp) + lmw %r9,20(%r3) + lwz %r7,0(%r3) + mr %r6,%r4 + mtlr %r11 + mtcr %r12 + mr %r2,%r9 + mr %r1,%r10 + or. %r7,%r7,%r7 + beq 1f + mr %r4,%r3 + li %r3,3 /* SIG_SETMASK */ + addi %r4,%r4,4 /* &set */ + li %r5,0 /* oset = NULL */ + li %r0,SYS_sigprocmask /* sigprocmask(SIG_SET, &set, NULL) */ + sc /* assume no error XXX */ +1: + or. %r3,%r6,%r6 + bnelr + li %r3,1 + blr diff --git a/lib/libc/powerpc/gen/syncicache.c b/lib/libc/powerpc/gen/syncicache.c new file mode 100644 index 0000000..12dd55c --- /dev/null +++ b/lib/libc/powerpc/gen/syncicache.c @@ -0,0 +1,98 @@ +/* + * Copyright (C) 1995-1997, 1999 Wolfgang Solfrank. + * Copyright (C) 1995-1997, 1999 TooLs GmbH. + * 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 TooLs GmbH. + * 4. The name of TooLs GmbH may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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. + * + * $NetBSD: syncicache.c,v 1.2 1999/05/05 12:36:40 tsubai Exp $ + */ + +#ifndef lint +static const char rcsid[] = + "$FreeBSD$"; +#endif /* not lint */ + +#include <sys/param.h> +#if defined(_KERNEL) || defined(_STANDALONE) +#include <sys/time.h> +#include <sys/proc.h> +#include <vm/vm.h> +#endif +#include <sys/sysctl.h> + +#include <machine/cpu.h> + +#if defined(_KERNEL) || defined(_STANDALONE) +#ifndef CACHELINESIZE +#error "Must know the size of a cache line" +#endif +#else +static void getcachelinesize(void); + +static int _cachelinesize; +#define CACHELINESIZE _cachelinesize + +static void +getcachelinesize() +{ + static int cachemib[] = { CTL_MACHDEP, CPU_CACHELINE }; + int clen; + + clen = sizeof(_cachelinesize); + + if (sysctl(cachemib, sizeof(cachemib) / sizeof(cachemib[0]), + &_cachelinesize, &clen, NULL, 0) < 0 || !_cachelinesize) { + abort(); + } +} +#endif + +void +__syncicache(void *from, int len) +{ + int l, off; + char *p; + +#if !defined(_KERNEL) && !defined(_STANDALONE) + if (!_cachelinesize) + getcachelinesize(); +#endif + off = (u_int)from & (CACHELINESIZE - 1); + l = len += off; + p = (char *)from - off; + do { + __asm __volatile ("dcbst 0,%0" :: "r"(p)); + p += CACHELINESIZE; + } while ((l -= CACHELINESIZE) > 0); + __asm __volatile ("sync"); + p = (char *)from - off; + do { + __asm __volatile ("icbi 0,%0" :: "r"(p)); + p += CACHELINESIZE; + } while ((len -= CACHELINESIZE) > 0); + __asm __volatile ("sync; isync"); +} diff --git a/lib/libc/powerpc/sys/Makefile.inc b/lib/libc/powerpc/sys/Makefile.inc new file mode 100644 index 0000000..3718c1a --- /dev/null +++ b/lib/libc/powerpc/sys/Makefile.inc @@ -0,0 +1,11 @@ +# $FreeBSD$ + +MDASM+= brk.S cerror.S exect.S pipe.S ptrace.S sbrk.S setlogin.S + +# Don't generate default code for these syscalls: +NOASM= break.o exit.o ftruncate.o getdomainname.o getlogin.o \ + lseek.o mlockall.o mmap.o munlockall.o openbsd_poll.o pread.o \ + pwrite.o setdomainname.o sstk.o truncate.o uname.o yield.o + +PSEUDO= _getlogin.o _exit.o + diff --git a/lib/libc/powerpc/sys/brk.S b/lib/libc/powerpc/sys/brk.S new file mode 100644 index 0000000..9223db3 --- /dev/null +++ b/lib/libc/powerpc/sys/brk.S @@ -0,0 +1,73 @@ +/*- + * Copyright (c) 2002 Peter Grehan. + * 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. + * + * 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. + */ +/* $NetBSD: brk.S,v 1.9 2000/06/26 06:25:43 kleink Exp $ */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#include "SYS.h" + + .globl HIDENAME(curbrk) + .globl HIDENAME(minbrk) + .globl CNAME(_end) + + .data +HIDENAME(minbrk): + .long CNAME(_end) + + .text + +ENTRY(brk) +#ifdef PIC + mflr %r10 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr %r9 + mtlr %r10 + lwz %r5,HIDENAME(minbrk)@got(%r9) + lwz %r6,0(%r5) +#else + lis %r5,HIDENAME(minbrk)@ha + lwz %r6,HIDENAME(minbrk)@l(%r5) +#endif + cmplw %r6,%r3 /* if (minbrk <= r3) */ + bgt 0f + mr %r6,%r3 /* r6 = r3 */ +0: + mr %r3,%r6 /* new break value */ + li %r0,SYS_break + sc /* assume, that r5 is kept */ + bso 1f +#ifdef PIC + lwz %r7,HIDENAME(curbrk)@got(%r9) + stw %r6,0(%r7) +#else + lis %r7,HIDENAME(curbrk)@ha /* record new break */ + stw %r6,HIDENAME(curbrk)@l(%r7) +#endif + blr /* return 0 */ + +1: + b PIC_PLT(HIDENAME(cerror)) diff --git a/lib/libc/powerpc/sys/cerror.S b/lib/libc/powerpc/sys/cerror.S new file mode 100644 index 0000000..91a3006 --- /dev/null +++ b/lib/libc/powerpc/sys/cerror.S @@ -0,0 +1,57 @@ +/*- + * Copyright (c) 2002 Peter Grehan. + * 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. + * + * 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. + */ +/* $NetBSD: cerror.S,v 1.5 2000/01/27 14:58:48 kleink Exp $ */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#include "SYS.h" + + .globl HIDENAME(cerror) + .globl CNAME(__error) + + /* + * The __error() function is thread aware. For non-threaded + * programs and the initial threaded in threaded programs, + * it returns a pointer to the global errno variable. + */ +HIDENAME(cerror): + mflr %r0 + stwu %r1,-16(%r1) /* allocate new stack frame */ + stw %r0,20(%r1) /* and save lr, r31 */ + stw %r31,8(%r1) + mr %r31,%r3 /* stash errval in callee-saved register */ + bl PIC_PLT(CNAME(__error)) + stw %r31,0(%r3) /* store errval into &errno */ + lwz %r0,20(%r1) + lwz %r31,8(%r1) + mtlr %r0 + la %r1,16(%r1) + li %r3,-1 + li %r4,-1 + blr /* return to callers caller */ + + diff --git a/lib/libc/powerpc/sys/exect.S b/lib/libc/powerpc/sys/exect.S new file mode 100644 index 0000000..d5f9c20 --- /dev/null +++ b/lib/libc/powerpc/sys/exect.S @@ -0,0 +1,39 @@ +/*- + * Copyright (c) 2002 Peter Grehan. + * 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. + * + * 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. + */ +/* $NetBSD: exect.S,v 1.3 1998/05/25 15:28:03 ws Exp $ */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#include "SYS.h" + +ENTRY(exect) + li %r0,SYS_execve + sc + bso 1f + blr +1: + b PIC_PLT(HIDENAME(cerror)) diff --git a/lib/libc/powerpc/sys/pipe.S b/lib/libc/powerpc/sys/pipe.S new file mode 100644 index 0000000..3ca2358 --- /dev/null +++ b/lib/libc/powerpc/sys/pipe.S @@ -0,0 +1,43 @@ +/*- + * Copyright (c) 2002 Peter Grehan. + * 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. + * + * 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. + */ +/* $NetBSD: pipe.S,v 1.6 2000/09/28 08:38:54 kleink Exp $ */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#include "SYS.h" + +ENTRY(pipe) + mr %r5,%r3 /* save pointer */ + li %r0,SYS_pipe + sc /* r5 is preserved */ + bso 1f + stw %r3,0(%r5) /* success, store fds */ + stw %r4,4(%r5) + li %r3,0 + blr /* and return 0 */ +1: + b PIC_PLT(HIDENAME(cerror)) diff --git a/lib/libc/powerpc/sys/ptrace.S b/lib/libc/powerpc/sys/ptrace.S new file mode 100644 index 0000000..f47fc67 --- /dev/null +++ b/lib/libc/powerpc/sys/ptrace.S @@ -0,0 +1,58 @@ +/*- + * Copyright (c) 2002 Peter Grehan. + * 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. + * + * 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. + */ +/* $NetBSD: ptrace.S,v 1.3 2000/02/23 20:16:57 kleink Exp $ */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#include "SYS.h" + +ENTRY(ptrace) + mflr %r0 + stwu %r1,-32(%r1) + stw %r0,36(%r1) + stw %r3,8(%r1) + stw %r4,12(%r1) + stw %r5,16(%r1) + stw %r6,20(%r1) + + bl PIC_PLT(CNAME(__error)) + li %r7,0 + stw %r7,0(%r3) + + lwz %r3,8(%r1) + lwz %r4,12(%r1) + lwz %r5,16(%r1) + lwz %r0,36(%r1) + lwz %r6,20(%r1) + mtlr %r0 + la %r1,32(%r1) + li %r0,SYS_ptrace + sc + bso 1f + blr +1: + b PIC_PLT(HIDENAME(cerror)) diff --git a/lib/libc/powerpc/sys/sbrk.S b/lib/libc/powerpc/sys/sbrk.S new file mode 100644 index 0000000..47fc0fe --- /dev/null +++ b/lib/libc/powerpc/sys/sbrk.S @@ -0,0 +1,70 @@ +/*- + * Copyright (c) 2002 Peter Grehan. + * 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. + * + * 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. + */ +/* $NetBSD: sbrk.S,v 1.8 2000/06/26 06:25:44 kleink Exp $ */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#include "SYS.h" + + .globl HIDENAME(curbrk) + .globl CNAME(_end) + + .data +HIDENAME(curbrk): + .long CNAME(_end) + + .text +ENTRY(sbrk) + +#ifdef PIC + mflr %r10 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr %r5 + mtlr %r10 + lwz %r5,HIDENAME(curbrk)@got(%r5) + lwz %r6,0(%r5) +#else + lis %r5,HIDENAME(curbrk)@ha + lwz %r6,HIDENAME(curbrk)@l(%r5) /* r6 = old break */ +#endif + cmpwi %r3,0 /* sbrk(0) - return curbrk */ + beq 1f + add %r3,%r3,%r6 + mr %r7,%r3 /* r7 = new break */ + li %r0,SYS_break + sc /* break(new_break) */ + bso 2f +#ifdef PIC + stw %r7,0(%r5) +#else + stw %r7,HIDENAME(curbrk)@l(%r5) /* record new break */ +#endif +1: + mr %r3,%r6 /* set return value */ + blr +2: + b PIC_PLT(HIDENAME(cerror)) diff --git a/lib/libc/powerpc/sys/setlogin.S b/lib/libc/powerpc/sys/setlogin.S new file mode 100644 index 0000000..c65e639 --- /dev/null +++ b/lib/libc/powerpc/sys/setlogin.S @@ -0,0 +1,49 @@ +/*- + * Copyright (c) 2002 Peter Grehan. + * 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. + * + * 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. + */ +/* $NetBSD: setlogin.S,v 1.3 1998/11/24 11:14:57 tsubai Exp $ */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#include "SYS.h" + + .globl CNAME(_logname_valid) /* in _getlogin() */ + +SYSCALL(setlogin) +#ifdef PIC + mflr %r10 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr %r4 + lwz %r4,CNAME(_logname_valid)@got(%r4) + li %r5,%r0 + stw %r5,0(%r4) + mtlr %r10 +#else + lis %r4,CNAME(_logname_valid)@ha + li %r5,0 + stw %r5,CNAME(_logname_valid)@l(%r4) +#endif + blr |