diff options
Diffstat (limited to 'lib/libc')
48 files changed, 2684 insertions, 0 deletions
diff --git a/lib/libc/mips/:errfix b/lib/libc/mips/:errfix new file mode 100644 index 0000000..528c927 --- /dev/null +++ b/lib/libc/mips/:errfix @@ -0,0 +1,5 @@ +?sys_nerr? +.-4,.+1m1 +.+1,$g/\.data/s//\.text/ +w +q diff --git a/lib/libc/mips/Makefile.inc b/lib/libc/mips/Makefile.inc new file mode 100644 index 0000000..c64d01b --- /dev/null +++ b/lib/libc/mips/Makefile.inc @@ -0,0 +1,4 @@ +# $OpenBSD: Makefile.inc,v 1.1.1.1 1995/10/18 08:41:33 deraadt Exp $ + +KMINCLUDES= +KMSRCS= diff --git a/lib/libc/mips/SYS.h b/lib/libc/mips/SYS.h new file mode 100644 index 0000000..ccce710 --- /dev/null +++ b/lib/libc/mips/SYS.h @@ -0,0 +1,80 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + * + * $OpenBSD: SYS.h,v 1.3 1996/07/30 20:27:48 pefo Exp $ + */ + +#include <sys/syscall.h> +#include <machine/asm.h> + +#ifdef __STDC__ +#define RSYSCALL(x) \ + LEAF(x); \ + li v0,SYS_ ## x; \ + syscall; \ + bne a3,zero,err; \ + j ra; \ + err: la t9, cerror; \ + jr t9; \ + END(x); +#define PSEUDO(x,y) \ + LEAF(x); \ + li v0,SYS_ ## y; \ + syscall; \ + bne a3,zero,err; \ + j ra; \ + err: la t9, cerror; \ + jr t9; \ + END(x); +#else +#define RSYSCALL(x) \ + LEAF(x); \ + li v0,SYS_/**/x; \ + syscall; \ + bne a3,zero,err; \ + j ra; \ + err: la t9, cerror; \ + jr t9; \ + END(x); +#define PSEUDO(x,y) \ + LEAF(x); \ + li v0,SYS_/**/y; \ + syscall; \ + bne a3,zero,err; \ + j ra; \ + err: la t9, cerror; \ + jr t9; \ + END(x); +#endif diff --git a/lib/libc/mips/gen/Makefile.inc b/lib/libc/mips/gen/Makefile.inc new file mode 100644 index 0000000..6c358a9 --- /dev/null +++ b/lib/libc/mips/gen/Makefile.inc @@ -0,0 +1,6 @@ +# $OpenBSD: Makefile.inc,v 1.4 1995/12/15 01:12:36 jonathan Exp $ + +SRCS+= _setjmp.S fabs.S frexp.c infinity.c isinf.S ldexp.S modf.S +SRCS+= flt_rounds.c fpgetmask.c fpgetround.c fpgetsticky.c fpsetmask.c \ + fpsetround.c fpsetsticky.c +SRCS+= setjmp.S sigsetjmp.S diff --git a/lib/libc/mips/gen/_setjmp.S b/lib/libc/mips/gen/_setjmp.S new file mode 100644 index 0000000..0e7b886 --- /dev/null +++ b/lib/libc/mips/gen/_setjmp.S @@ -0,0 +1,132 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <machine/regnum.h> +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD: _setjmp.S,v 1.5 1996/08/19 08:15:51 tholo Exp $" +#endif /* LIBC_SCCS */ + +/* + * C library -- _setjmp, _longjmp + * + * _longjmp(a,v) + * will generate a "return(v)" from + * the last call to + * _setjmp(a) + * by restoring registers from the stack, + * The previous signal state is NOT restored. + */ + +LEAF(_setjmp) + .set noreorder + li v0, 0xACEDBADE # sigcontext magic number + sw ra, (2 * 4)(a0) # sc_pc = return address + sw v0, (3 * 4)(a0) # saved in sc_regs[0] + sw s0, ((S0 + 3) * 4)(a0) + sw s1, ((S1 + 3) * 4)(a0) + sw s2, ((S2 + 3) * 4)(a0) + sw s3, ((S3 + 3) * 4)(a0) + sw s4, ((S4 + 3) * 4)(a0) + sw s5, ((S5 + 3) * 4)(a0) + sw s6, ((S6 + 3) * 4)(a0) + sw s7, ((S7 + 3) * 4)(a0) + sw sp, ((SP + 3) * 4)(a0) + sw s8, ((S8 + 3) * 4)(a0) + cfc1 v0, $31 # too bad cant check if FP used + swc1 $f20, ((20 + 38) * 4)(a0) + swc1 $f21, ((21 + 38) * 4)(a0) + swc1 $f22, ((22 + 38) * 4)(a0) + swc1 $f23, ((23 + 38) * 4)(a0) + swc1 $f24, ((24 + 38) * 4)(a0) + swc1 $f25, ((25 + 38) * 4)(a0) + swc1 $f26, ((26 + 38) * 4)(a0) + swc1 $f27, ((27 + 38) * 4)(a0) + swc1 $f28, ((28 + 38) * 4)(a0) + swc1 $f29, ((29 + 38) * 4)(a0) + swc1 $f30, ((30 + 38) * 4)(a0) + swc1 $f31, ((31 + 38) * 4)(a0) + sw v0, ((32 + 38) * 4)(a0) + j ra + move v0, zero +END(_setjmp) + +LEAF(_longjmp) +#ifdef ABICALLS + subu sp, sp, 32 + .cprestore 16 +#endif + .set noreorder + lw v0, (3 * 4)(a0) # get magic number + lw ra, (2 * 4)(a0) + bne v0, 0xACEDBADE, botch # jump if error + + addu sp, sp, 32 # does not matter, sanity + lw s0, ((S0 + 3) * 4)(a0) + lw s1, ((S1 + 3) * 4)(a0) + lw s2, ((S2 + 3) * 4)(a0) + lw s3, ((S3 + 3) * 4)(a0) + lw s4, ((S4 + 3) * 4)(a0) + lw s5, ((S5 + 3) * 4)(a0) + lw s6, ((S6 + 3) * 4)(a0) + lw s7, ((S7 + 3) * 4)(a0) + lw v0, ((32 + 38) * 4)(a0) # get fpu status + lw sp, ((SP + 3) * 4)(a0) + lw s8, ((S8 + 3) * 4)(a0) + ctc1 v0, $31 + lwc1 $f20, ((20 + 38) * 4)(a0) + lwc1 $f21, ((21 + 38) * 4)(a0) + lwc1 $f22, ((22 + 38) * 4)(a0) + lwc1 $f23, ((23 + 38) * 4)(a0) + lwc1 $f24, ((24 + 38) * 4)(a0) + lwc1 $f25, ((25 + 38) * 4)(a0) + lwc1 $f26, ((26 + 38) * 4)(a0) + lwc1 $f27, ((27 + 38) * 4)(a0) + lwc1 $f28, ((28 + 38) * 4)(a0) + lwc1 $f29, ((29 + 38) * 4)(a0) + lwc1 $f30, ((30 + 38) * 4)(a0) + lwc1 $f31, ((31 + 38) * 4)(a0) + + j ra + move v0, a1 +botch: + jal _C_LABEL(longjmperror) + nop + jal _C_LABEL(abort) + nop +END(_longjmp) diff --git a/lib/libc/mips/gen/fabs.S b/lib/libc/mips/gen/fabs.S new file mode 100644 index 0000000..5306870 --- /dev/null +++ b/lib/libc/mips/gen/fabs.S @@ -0,0 +1,54 @@ +/*- + * Copyright (c) 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* + * fabs(x) + * double x; + * + * Return absolute value of x. + */ +LEAF(fabs) + .set noreorder + j ra + abs.d $f0, $f12 # compute absolute value of x +END(fabs) diff --git a/lib/libc/mips/gen/flt_rounds.c b/lib/libc/mips/gen/flt_rounds.c new file mode 100644 index 0000000..289ed7c --- /dev/null +++ b/lib/libc/mips/gen/flt_rounds.c @@ -0,0 +1,27 @@ +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#include <sys/types.h> +#include <machine/float.h> + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD: flt_rounds.c,v 1.3 1997/08/01 21:36:28 deraadt Exp $"; +#endif /* LIBC_SCCS and not lint */ + +static const int map[] = { + 1, /* round to nearest */ + 0, /* round to zero */ + 2, /* round to positive infinity */ + 3 /* round to negative infinity */ +}; + +int +__flt_rounds() +{ + int x; + + __asm__("cfc1 %0,$31" : "=r" (x)); + return map[x & 0x03]; +} diff --git a/lib/libc/mips/gen/fpgetmask.c b/lib/libc/mips/gen/fpgetmask.c new file mode 100644 index 0000000..8c1a53e --- /dev/null +++ b/lib/libc/mips/gen/fpgetmask.c @@ -0,0 +1,19 @@ +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD$"; +#endif /* LIBC_SCCS and not lint */ + +#include <ieeefp.h> + +fp_except +fpgetmask() +{ + int x; + + __asm__("cfc1 %0,$31" : "=r" (x)); + return (x >> 7) & 0x1f; +} diff --git a/lib/libc/mips/gen/fpgetround.c b/lib/libc/mips/gen/fpgetround.c new file mode 100644 index 0000000..565f7c8 --- /dev/null +++ b/lib/libc/mips/gen/fpgetround.c @@ -0,0 +1,19 @@ +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD$"; +#endif /* LIBC_SCCS and not lint */ + +#include <ieeefp.h> + +fp_rnd +fpgetround() +{ + int x; + + __asm__("cfc1 %0,$31" : "=r" (x)); + return x & 0x03; +} diff --git a/lib/libc/mips/gen/fpgetsticky.c b/lib/libc/mips/gen/fpgetsticky.c new file mode 100644 index 0000000..f7057ff --- /dev/null +++ b/lib/libc/mips/gen/fpgetsticky.c @@ -0,0 +1,19 @@ +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD$"; +#endif /* LIBC_SCCS and not lint */ + +#include <ieeefp.h> + +fp_except +fpgetsticky() +{ + int x; + + __asm__("cfc1 %0,$31" : "=r" (x)); + return (x >> 2) & 0x1f; +} diff --git a/lib/libc/mips/gen/fpsetmask.c b/lib/libc/mips/gen/fpsetmask.c new file mode 100644 index 0000000..c57f52f --- /dev/null +++ b/lib/libc/mips/gen/fpsetmask.c @@ -0,0 +1,28 @@ +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD$"; +#endif /* LIBC_SCCS and not lint */ + +#include <ieeefp.h> + +fp_except +fpsetmask(mask) + fp_except mask; +{ + fp_except old; + fp_except new; + + __asm__("cfc1 %0,$31" : "=r" (old)); + + new = old; + new &= ~(0x1f << 7); + new |= ((mask & 0x1f) << 7); + + __asm__("ctc1 %0,$31" : : "r" (new)); + + return (old >> 7) & 0x1f; +} diff --git a/lib/libc/mips/gen/fpsetround.c b/lib/libc/mips/gen/fpsetround.c new file mode 100644 index 0000000..9516d34 --- /dev/null +++ b/lib/libc/mips/gen/fpsetround.c @@ -0,0 +1,28 @@ +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD$"; +#endif /* LIBC_SCCS and not lint */ + +#include <ieeefp.h> + +fp_rnd +fpsetround(rnd_dir) + fp_rnd rnd_dir; +{ + fp_rnd old; + fp_rnd new; + + __asm__("cfc1 %0,$31" : "=r" (old)); + + new = old; + new &= ~0x03; + new |= (rnd_dir & 0x03); + + __asm__("ctc1 %0,$31" : : "r" (new)); + + return old & 0x03; +} diff --git a/lib/libc/mips/gen/fpsetsticky.c b/lib/libc/mips/gen/fpsetsticky.c new file mode 100644 index 0000000..493c3a0 --- /dev/null +++ b/lib/libc/mips/gen/fpsetsticky.c @@ -0,0 +1,28 @@ +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD$"; +#endif /* LIBC_SCCS and not lint */ + +#include <ieeefp.h> + +fp_except +fpsetsticky(sticky) + fp_except sticky; +{ + fp_except old; + fp_except new; + + __asm__("cfc1 %0,$31" : "=r" (old)); + + new = old; + new &= ~(0x1f << 2); + new |= ((sticky & 0x1f) << 2); + + __asm__("ctc1 %0,$31" : : "r" (new)); + + return (old >> 2) & 0x1f; +} diff --git a/lib/libc/mips/gen/frexp.c b/lib/libc/mips/gen/frexp.c new file mode 100644 index 0000000..181e1dc --- /dev/null +++ b/lib/libc/mips/gen/frexp.c @@ -0,0 +1,73 @@ +/*- + * Copyright (c) 1991, 1993 + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD: frexp.c,v 1.3 1997/07/23 20:55:24 kstailey Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <sys/types.h> +#include <machine/endian.h> +#include <math.h> + +double +frexp(value, eptr) + double value; + int *eptr; +{ + union { + double v; + struct { +#if BYTE_ORDER == LITTLE_ENDIAN + u_int u_mant2 : 32; + u_int u_mant1 : 20; + u_int u_exp : 11; + u_int u_sign : 1; +#else + u_int u_sign : 1; + u_int u_exp : 11; + u_int u_mant1 : 20; + u_int u_mant2 : 32; +#endif + } s; + } u; + + if (value) { + u.v = value; + *eptr = u.s.u_exp - 1022; + u.s.u_exp = 1022; + return(u.v); + } else { + *eptr = 0; + return((double)0); + } +} diff --git a/lib/libc/mips/gen/infinity.c b/lib/libc/mips/gen/infinity.c new file mode 100644 index 0000000..7a0b131 --- /dev/null +++ b/lib/libc/mips/gen/infinity.c @@ -0,0 +1,15 @@ +/* infinity.c */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD: infinity.c,v 1.2 1996/08/19 08:16:01 tholo Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <math.h> +#include <sys/types.h> + +/* bytes for +Infinity on a MIPS */ +#if BYTE_ORDER == BIG_ENDIAN +char __infinity[] = { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }; +#else +char __infinity[] = { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f }; +#endif diff --git a/lib/libc/mips/gen/isinf.S b/lib/libc/mips/gen/isinf.S new file mode 100644 index 0000000..e872cd7 --- /dev/null +++ b/lib/libc/mips/gen/isinf.S @@ -0,0 +1,95 @@ +/*- + * Copyright (c) 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +#define DEXP_INF 0x7ff + +/* + * isnan(x) + * double x; + * + * Return true if x is a NAN. + */ +LEAF(isnan) + .set noreorder + mfc1 v1, $f13 # get MSW of x + mfc1 t3, $f12 # get LSW of x + sll t1, v1, 1 # get x exponent + srl t1, t1, 32 - 11 + bne t1, DEXP_INF, 2f # is it a finite number? + sll t2, v1, 32 - 20 # get x fraction + bne t3, zero, 1f # is it a NAN? + nop + beq t2, zero, 2f # its infinity + nop +1: + j ra + li v0, 1 # x is a NAN +2: + j ra + move v0, zero # x is NOT a NAN +END(isnan) + +/* + * isinf(x) + * double x; + * + * Return true if x is infinity. + */ +LEAF(isinf) + .set noreorder + mfc1 v1, $f13 # get MSW of x + mfc1 t3, $f12 # get LSW of x + sll t1, v1, 1 # get x exponent + srl t1, t1, 32 - 11 + bne t1, DEXP_INF, 1f # is it a finite number? + sll t2, v1, 32 - 20 # get x fraction + bne t3, zero, 1f # is it a NAN? + nop + bne t2, zero, 1f # is it a NAN? + nop + j ra + li v0, 1 # x is infinity +1: + j ra + move v0, zero # x is NOT infinity +END(isinf) diff --git a/lib/libc/mips/gen/ldexp.S b/lib/libc/mips/gen/ldexp.S new file mode 100644 index 0000000..5aa6131 --- /dev/null +++ b/lib/libc/mips/gen/ldexp.S @@ -0,0 +1,217 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +#define DEXP_INF 0x7ff +#define DEXP_BIAS 1023 +#define DEXP_MIN -1022 +#define DEXP_MAX 1023 +#define DFRAC_BITS 52 +#define DIMPL_ONE 0x00100000 +#define DLEAD_ZEROS 31 - 20 +#define STICKYBIT 1 +#define GUARDBIT 0x80000000 +#define DSIGNAL_NAN 0x00040000 +#define DQUIET_NAN0 0x0007ffff +#define DQUIET_NAN1 0xffffffff + +/* + * double ldexp(x, N) + * double x; int N; + * + * Return x * (2**N), for integer values N. + */ +LEAF(ldexp) + .set reorder + mfc1 v1, $f13 # get MSW of x + mfc1 t3, $f12 # get LSW of x + sll t1, v1, 1 # get x exponent + srl t1, t1, 32 - 11 + beq t1, DEXP_INF, 9f # is it a NAN or infinity? + beq t1, zero, 1f # zero or denormalized number? + addu t1, t1, a2 # scale exponent + sll v0, a2, 20 # position N for addition + bge t1, DEXP_INF, 8f # overflow? + addu v0, v0, v1 # multiply by (2**N) + ble t1, zero, 4f # underflow? + mtc1 v0, $f1 # save MSW of result + mtc1 t3, $f0 # save LSW of result + j ra +1: + sll t2, v1, 32 - 20 # get x fraction + srl t2, t2, 32 - 20 + srl t0, v1, 31 # get x sign + bne t2, zero, 1f + beq t3, zero, 9f # result is zero +1: +/* + * Find out how many leading zero bits are in t2,t3 and put in t9. + */ + move v0, t2 + move t9, zero + bne t2, zero, 1f + move v0, t3 + addu t9, 32 +1: + srl t4, v0, 16 + bne t4, zero, 1f + addu t9, 16 + sll v0, 16 +1: + srl t4, v0, 24 + bne t4, zero, 1f + addu t9, 8 + sll v0, 8 +1: + srl t4, v0, 28 + bne t4, zero, 1f + addu t9, 4 + sll v0, 4 +1: + srl t4, v0, 30 + bne t4, zero, 1f + addu t9, 2 + sll v0, 2 +1: + srl t4, v0, 31 + bne t4, zero, 1f + addu t9, 1 +/* + * Now shift t2,t3 the correct number of bits. + */ +1: + subu t9, t9, DLEAD_ZEROS # dont count normal leading zeros + li t1, DEXP_MIN + DEXP_BIAS + subu t1, t1, t9 # adjust exponent + addu t1, t1, a2 # scale exponent + li v0, 32 + blt t9, v0, 1f + subu t9, t9, v0 # shift fraction left >= 32 bits + sll t2, t3, t9 + move t3, zero + b 2f +1: + subu v0, v0, t9 # shift fraction left < 32 bits + sll t2, t2, t9 + srl t4, t3, v0 + or t2, t2, t4 + sll t3, t3, t9 +2: + bge t1, DEXP_INF, 8f # overflow? + ble t1, zero, 4f # underflow? + sll t2, t2, 32 - 20 # clear implied one bit + srl t2, t2, 32 - 20 +3: + sll t1, t1, 31 - 11 # reposition exponent + sll t0, t0, 31 # reposition sign + or t0, t0, t1 # put result back together + or t0, t0, t2 + mtc1 t0, $f1 # save MSW of result + mtc1 t3, $f0 # save LSW of result + j ra +4: + li v0, 0x80000000 + ble t1, -52, 7f # is result too small for denorm? + sll t2, v1, 31 - 20 # clear exponent, extract fraction + or t2, t2, v0 # set implied one bit + blt t1, -30, 2f # will all bits in t3 be shifted out? + srl t2, t2, 31 - 20 # shift fraction back to normal position + subu t1, t1, 1 + sll t4, t2, t1 # shift right t2,t3 based on exponent + srl t8, t3, t1 # save bits shifted out + negu t1 + srl t3, t3, t1 + or t3, t3, t4 + srl t2, t2, t1 + bge t8, zero, 1f # does result need to be rounded? + addu t3, t3, 1 # round result + sltu t4, t3, 1 + sll t8, t8, 1 + addu t2, t2, t4 + bne t8, zero, 1f # round result to nearest + and t3, t3, ~1 +1: + mtc1 t3, $f0 # save denormalized result (LSW) + mtc1 t2, $f1 # save denormalized result (MSW) + bge v1, zero, 1f # should result be negative? + neg.d $f0, $f0 # negate result +1: + j ra +2: + mtc1 zero, $f1 # exponent and upper fraction + addu t1, t1, 20 # compute amount to shift right by + sll t8, t2, t1 # save bits shifted out + negu t1 + srl t3, t2, t1 + bge t8, zero, 1f # does result need to be rounded? + addu t3, t3, 1 # round result + sltu t4, t3, 1 + sll t8, t8, 1 + mtc1 t4, $f1 # exponent and upper fraction + bne t8, zero, 1f # round result to nearest + and t3, t3, ~1 +1: + mtc1 t3, $f0 + bge v1, zero, 1f # is result negative? + neg.d $f0, $f0 # negate result +1: + j ra +7: + mtc1 zero, $f0 # result is zero + mtc1 zero, $f1 + beq t0, zero, 1f # is result positive? + neg.d $f0, $f0 # negate result +1: + j ra +8: + li t1, 0x7ff00000 # result is infinity (MSW) + mtc1 t1, $f1 + mtc1 zero, $f0 # result is infinity (LSW) + bge v1, zero, 1f # should result be negative infinity? + neg.d $f0, $f0 # result is negative infinity +1: + add.d $f0, $f0 # cause overflow faults if enabled + j ra +9: + mov.d $f0, $f12 # yes, result is just x + j ra +END(ldexp) diff --git a/lib/libc/mips/gen/modf.S b/lib/libc/mips/gen/modf.S new file mode 100644 index 0000000..057feaa --- /dev/null +++ b/lib/libc/mips/gen/modf.S @@ -0,0 +1,75 @@ +/*- + * Copyright (c) 1991, 1993, 1995 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* + * double modf(val, iptr) + * double val, *iptr; + * returns: xxx and n (in *iptr) where val == n.xxx + */ +LEAF(modf) + .set reorder + cfc1 t0, $31 # get the control register + li.d $f2, 4503599627370496e0 # f2 <- 2^52 + + or t1, t0, 0x3 # set rounding mode to round to zero + xor t1, t1, 0x2 # (i.e., 01) + ctc1 t1, $31 + + mov.d $f0, $f12 # f0 <- f12 + abs.d $f4, $f12 # f4 <- |f12| + c.olt.d $f4, $f2 # f4 ? < f2 + bc1f 1f # leave f0 alone if Nan, infinity + # or >=2^52 + c.eq.d $f12,$f4 # was f12 positive ? + add.d $f4,$f2,$f4 # round off to integer + bc1f 2f # No -> will have to negate result + sub.d $f0,$f4,$f2 # Remove fudge factor + j 1f # integer fraction got +2: + sub.d $f0,$f2,$f4 # Remove fudge factor and negate +1: + ctc1 t0, $31 # restore old rounding mode + s.d $f0, 0(a2) # save the integer part + sub.d $f0, $f12, $f0 # subtract val - integer part + j ra +END(modf) diff --git a/lib/libc/mips/gen/setjmp.S b/lib/libc/mips/gen/setjmp.S new file mode 100644 index 0000000..0abfed8 --- /dev/null +++ b/lib/libc/mips/gen/setjmp.S @@ -0,0 +1,128 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <sys/syscall.h> +#include <machine/asm.h> +#include <machine/regnum.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD: setjmp.S,v 1.6 1997/07/23 20:55:25 kstailey Exp $" +#endif /* LIBC_SCCS */ + +/* + * C library -- setjmp, longjmp + * + * longjmp(a,v) + * will generate a "return(v)" from + * the last call to + * setjmp(a) + * by restoring registers from the stack, + * and a struct sigcontext, see <signal.h> + */ + +#define SETJMP_FRAME_SIZE (STAND_FRAME_SIZE + 12) + +NON_LEAF(setjmp, SETJMP_FRAME_SIZE, ra) + .mask 0x80000000, (STAND_RA_OFFSET - STAND_FRAME_SIZE) + subu sp, sp, SETJMP_FRAME_SIZE # allocate stack frame +#ifdef ABICALLS + .cprestore 16 +#endif + .set reorder + sw ra, STAND_RA_OFFSET(sp) # save state + sw a0, SETJMP_FRAME_SIZE(sp) + move a0, zero # get current signal mask + jal _C_LABEL(sigblock) + lw v1, SETJMP_FRAME_SIZE(sp) # v1 = jmpbuf + sw v0, (1 * 4)(v1) # save sc_mask = sigblock(0) + move a0, zero + addu a1, sp, STAND_FRAME_SIZE # pointer to struct sigaltstack + jal _C_LABEL(sigaltstack) + lw a0, SETJMP_FRAME_SIZE(sp) # restore jmpbuf + lw v1, STAND_FRAME_SIZE+8(sp) # get old ss_onstack + and v1, v1, 1 # extract onstack flag + sw v1, 0(a0) # save it in sc_onstack + lw ra, STAND_RA_OFFSET(sp) + addu sp, sp, SETJMP_FRAME_SIZE + blt v0, zero, botch # check for sigstack() error + sw ra, (2 * 4)(a0) # sc_pc = return address + li v0, 0xACEDBADE # sigcontext magic number + sw v0, ((ZERO + 3) * 4)(a0) # saved in sc_regs[0] + sw s0, ((S0 + 3) * 4)(a0) + sw s1, ((S1 + 3) * 4)(a0) + sw s2, ((S2 + 3) * 4)(a0) + sw s3, ((S3 + 3) * 4)(a0) + sw s4, ((S4 + 3) * 4)(a0) + sw s5, ((S5 + 3) * 4)(a0) + sw s6, ((S6 + 3) * 4)(a0) + sw s7, ((S7 + 3) * 4)(a0) + sw gp, ((GP + 3) * 4)(a0) + sw sp, ((SP + 3) * 4)(a0) + sw s8, ((S8 + 3) * 4)(a0) + li v0, 1 # be nice if we could tell + sw v0, (37 * 4)(a0) # sc_fpused = 1 + cfc1 v0, $31 + swc1 $f20, ((20 + 38) * 4)(a0) + swc1 $f21, ((21 + 38) * 4)(a0) + swc1 $f22, ((22 + 38) * 4)(a0) + swc1 $f23, ((23 + 38) * 4)(a0) + swc1 $f24, ((24 + 38) * 4)(a0) + swc1 $f25, ((25 + 38) * 4)(a0) + swc1 $f26, ((26 + 38) * 4)(a0) + swc1 $f27, ((27 + 38) * 4)(a0) + swc1 $f28, ((28 + 38) * 4)(a0) + swc1 $f29, ((29 + 38) * 4)(a0) + swc1 $f30, ((30 + 38) * 4)(a0) + swc1 $f31, ((31 + 38) * 4)(a0) + sw v0, ((32 + 38) * 4)(a0) + move v0, zero + j ra +END(setjmp) + +LEAF(longjmp) +#ifdef ABICALLS + subu sp, sp, 32 + .cprestore 16 +#endif + .set reorder + sw a1, ((V0 + 3) * 4)(a0) # save return value in sc_regs[V0] + li v0, SYS_sigreturn + syscall +botch: + jal _C_LABEL(longjmperror) + jal _C_LABEL(abort) +END(longjmp) diff --git a/lib/libc/mips/gen/sigsetjmp.S b/lib/libc/mips/gen/sigsetjmp.S new file mode 100644 index 0000000..4a7d414 --- /dev/null +++ b/lib/libc/mips/gen/sigsetjmp.S @@ -0,0 +1,78 @@ +/*- + * Copyright (c) 1991, 1993, 1995, + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Havard Eidnes. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <sys/syscall.h> +#include <machine/regnum.h> +#include <machine/asm.h> +#include <machine/setjmp.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* + * C library -- sigsetjmp, siglongjmp + * + * siglongjmp(a,v) + * will generate a "return(v)" from + * the last call to + * sigsetjmp(a, savemask) + * by restoring registers from the stack, + * and dependent on savemask restores the + * signal mask. + */ + +LEAF(sigsetjmp) + .set reorder + sw a1, (_JBLEN*4)(a0) # save "savemask" + bne a1, 0x0, 1f # do saving of signal mask? + la t9, _setjmp + jr t9 + +1: la t9, setjmp + jr t9 +END(sigsetjmp) + +LEAF(siglongjmp) + .set reorder + lw t0, (_JBLEN * 4)(a0) # get "savemask" + bne t0, 0x0, 1f # restore signal mask? + la t9, _longjmp + jr t9 +1: la t9, longjmp + jr t9 +END(siglongjmp) diff --git a/lib/libc/mips/net/Makefile.inc b/lib/libc/mips/net/Makefile.inc new file mode 100644 index 0000000..1518429 --- /dev/null +++ b/lib/libc/mips/net/Makefile.inc @@ -0,0 +1,4 @@ +# $OpenBSD: Makefile.inc,v 1.1 1995/02/25 14:59:01 cgd Exp $ + +SRCS+= htonl.S htons.S +LSRCS+= htonl.c htons.c diff --git a/lib/libc/mips/net/htonl.S b/lib/libc/mips/net/htonl.S new file mode 100644 index 0000000..3ec9a96 --- /dev/null +++ b/lib/libc/mips/net/htonl.S @@ -0,0 +1,69 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* + * netorder = htonl(hostorder) + * hostorder = ntohl(netorder) + */ +ALEAF(ntohl) +NLEAF(htonl) # a0 = 0x11223344, return 0x44332211 + .set reorder +#ifdef MIPSEL + srl v1, a0, 24 # v1 = 0x00000011 + sll v0, a0, 24 # v0 = 0x44000000 + or v0, v0, v1 + and v1, a0, 0xff00 + sll v1, v1, 8 # v1 = 0x00330000 + or v0, v0, v1 + srl v1, a0, 8 + and v1, v1, 0xff00 # v1 = 0x00002200 + or v0, v0, v1 +#else +#ifdef MIPSEB + move v0, a0 +#else + ERROR +#endif +#endif + j ra +END(htonl) diff --git a/lib/libc/mips/net/htons.S b/lib/libc/mips/net/htons.S new file mode 100644 index 0000000..be056d2 --- /dev/null +++ b/lib/libc/mips/net/htons.S @@ -0,0 +1,65 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* + * netorder = htons(hostorder) + * hostorder = ntohs(netorder) + */ +ALEAF(ntohs) +NLEAF(htons) + .set reorder +#ifdef MIPSEL + srl v0, a0, 8 + and v0, v0, 0xff + sll v1, a0, 8 + and v1, v1, 0xff00 + or v0, v0, v1 +#else +#ifdef MIPSEB + move v0, a0 +#else + ERROR +#endif +#endif + j ra +END(htons) diff --git a/lib/libc/mips/stdlib/Makefile.inc b/lib/libc/mips/stdlib/Makefile.inc new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/lib/libc/mips/stdlib/Makefile.inc diff --git a/lib/libc/mips/string/Makefile.inc b/lib/libc/mips/string/Makefile.inc new file mode 100644 index 0000000..a60e550 --- /dev/null +++ b/lib/libc/mips/string/Makefile.inc @@ -0,0 +1,7 @@ +# $OpenBSD: Makefile.inc,v 1.1 1995/03/20 14:45:47 mycroft Exp $ + +SRCS+= bcmp.S bcopy.S bzero.S ffs.S index.S memchr.c memcmp.c memset.c \ + rindex.S strcat.c strcmp.S strcpy.c strcspn.c strlen.S \ + strncat.c strncmp.c strncpy.c strpbrk.c strsep.c \ + strspn.c strstr.c swab.c +LSRCS+= bcmp.c bcopy.c bzero.c ffs.c index.c rindex.c strcmp.c strlen.c diff --git a/lib/libc/mips/string/bcmp.S b/lib/libc/mips/string/bcmp.S new file mode 100644 index 0000000..7d3a96e --- /dev/null +++ b/lib/libc/mips/string/bcmp.S @@ -0,0 +1,120 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* bcmp(s1, s2, n) */ + +LEAF(bcmp) + .set noreorder + blt a2, 16, small # is it worth any trouble? + xor v0, a0, a1 # compare low two bits of addresses + and v0, v0, 3 + subu a3, zero, a1 # compute # bytes to word align address + bne v0, zero, unaligned # not possible to align addresses + and a3, a3, 3 + + beq a3, zero, 1f + subu a2, a2, a3 # subtract from remaining count + move v0, v1 # init v0,v1 so unmodified bytes match + LWHI v0, 0(a0) # read 1, 2, or 3 bytes + LWHI v1, 0(a1) + addu a1, a1, a3 + bne v0, v1, nomatch + addu a0, a0, a3 +1: + and a3, a2, ~3 # compute number of whole words left + subu a2, a2, a3 # which has to be >= (16-3) & ~3 + addu a3, a3, a0 # compute ending address +2: + lw v0, 0(a0) # compare words + lw v1, 0(a1) + addu a0, a0, 4 + bne v0, v1, nomatch + addu a1, a1, 4 + bne a0, a3, 2b + nop + b small # finish remainder + nop +unaligned: + beq a3, zero, 2f + subu a2, a2, a3 # subtract from remaining count + addu a3, a3, a0 # compute ending address +1: + lbu v0, 0(a0) # compare bytes until a1 word aligned + lbu v1, 0(a1) + addu a0, a0, 1 + bne v0, v1, nomatch + addu a1, a1, 1 + bne a0, a3, 1b + nop +2: + and a3, a2, ~3 # compute number of whole words left + subu a2, a2, a3 # which has to be >= (16-3) & ~3 + addu a3, a3, a0 # compute ending address +3: + LWHI v0, 0(a0) # compare words a0 unaligned, a1 aligned + LWLO v0, 3(a0) + lw v1, 0(a1) + addu a0, a0, 4 + bne v0, v1, nomatch + addu a1, a1, 4 + bne a0, a3, 3b + nop +small: + ble a2, zero, match + addu a3, a2, a0 # compute ending address +1: + lbu v0, 0(a0) + lbu v1, 0(a1) + addu a0, a0, 1 + bne v0, v1, nomatch + addu a1, a1, 1 + bne a0, a3, 1b + nop +match: + j ra + move v0, zero +nomatch: + j ra + li v0, 1 + .set reorder +END(bcmp) diff --git a/lib/libc/mips/string/bcopy.S b/lib/libc/mips/string/bcopy.S new file mode 100644 index 0000000..3f64af5 --- /dev/null +++ b/lib/libc/mips/string/bcopy.S @@ -0,0 +1,127 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* bcopy(s1, s2, n) */ + + +LEAF(bcopy) + .set noreorder + addu t0, a0, a2 # t0 = end of s1 region + sltu t1, a1, t0 + sltu t2, a0, a1 + and t1, t1, t2 # t1 = true if from < to < (from+len) + beq t1, zero, forward # non overlapping, do forward copy + slt t2, a2, 12 # check for small copy + + ble a2, zero, 2f + addu t1, a1, a2 # t1 = end of to region +1: + lb v0, -1(t0) # copy bytes backwards, + subu t0, t0, 1 # doesnt happen often so do slow way + subu t1, t1, 1 + bne t0, a0, 1b + sb v0, 0(t1) +2: + j ra + nop +forward: + bne t2, zero, smallcpy # do a small bcopy + xor v0, a0, a1 # compare low two bits of addresses + and v0, v0, 3 + subu a3, zero, a1 # compute # bytes to word align address + beq v0, zero, aligned # addresses can be word aligned + and a3, a3, 3 + + beq a3, zero, 1f + subu a2, a2, a3 # subtract from remaining count + LWHI v0, 0(a0) # get next 4 bytes (unaligned) + LWLO v0, 3(a0) + addu a0, a0, a3 + SWHI v0, 0(a1) # store 1, 2, or 3 bytes to align a1 + addu a1, a1, a3 +1: + and v0, a2, 3 # compute number of words left + subu a3, a2, v0 + move a2, v0 + addu a3, a3, a0 # compute ending address +2: + LWHI v0, 0(a0) # copy words a0 unaligned, a1 aligned + LWLO v0, 3(a0) + addu a0, a0, 4 + addu a1, a1, 4 + bne a0, a3, 2b + sw v0, -4(a1) + b smallcpy + nop +aligned: + beq a3, zero, 1f + subu a2, a2, a3 # subtract from remaining count + LWHI v0, 0(a0) # copy 1, 2, or 3 bytes to align + addu a0, a0, a3 + SWHI v0, 0(a1) + addu a1, a1, a3 +1: + and v0, a2, 3 # compute number of whole words left + subu a3, a2, v0 + move a2, v0 + addu a3, a3, a0 # compute ending address +2: + lw v0, 0(a0) # copy words + addu a0, a0, 4 + addu a1, a1, 4 + bne a0, a3, 2b + sw v0, -4(a1) +smallcpy: + ble a2, zero, 2f + addu a3, a2, a0 # compute ending address +1: + lbu v0, 0(a0) # copy bytes + addu a0, a0, 1 + addu a1, a1, 1 + bne a0, a3, 1b + sb v0, -1(a1) +2: + j ra + nop + .set reorder +END(bcopy) diff --git a/lib/libc/mips/string/bzero.S b/lib/libc/mips/string/bzero.S new file mode 100644 index 0000000..cb5d258 --- /dev/null +++ b/lib/libc/mips/string/bzero.S @@ -0,0 +1,74 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* bzero(s1, n) */ + +LEAF(bzero) + .set noreorder + blt a1, 12, smallclr # small amount to clear? + subu a3, zero, a0 # compute # bytes to word align address + and a3, a3, 3 + beq a3, zero, 1f # skip if word aligned + subu a1, a1, a3 # subtract from remaining count + SWHI zero, 0(a0) # clear 1, 2, or 3 bytes to align + addu a0, a0, a3 +1: + and v0, a1, 3 # compute number of words left + subu a3, a1, v0 + move a1, v0 + addu a3, a3, a0 # compute ending address +2: + addu a0, a0, 4 # clear words + bne a0, a3, 2b # unrolling loop doesnt help + sw zero, -4(a0) # since we are limited by memory speed +smallclr: + ble a1, zero, 2f + addu a3, a1, a0 # compute ending address +1: + addu a0, a0, 1 # clear bytes + bne a0, a3, 1b + sb zero, -1(a0) +2: + j ra + nop +END(bzero) diff --git a/lib/libc/mips/string/ffs.S b/lib/libc/mips/string/ffs.S new file mode 100644 index 0000000..7392ad8 --- /dev/null +++ b/lib/libc/mips/string/ffs.S @@ -0,0 +1,57 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* bit = ffs(value) */ + +LEAF(ffs) + .set reorder + move v0, zero + beq a0, zero, done +1: + and v1, a0, 1 # bit set? + addu v0, v0, 1 + srl a0, a0, 1 + beq v1, zero, 1b # no, continue +done: + j ra +END(ffs) diff --git a/lib/libc/mips/string/index.S b/lib/libc/mips/string/index.S new file mode 100644 index 0000000..c3bbe57 --- /dev/null +++ b/lib/libc/mips/string/index.S @@ -0,0 +1,56 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +LEAF(index) + .set reorder + lbu a2, 0(a0) # get a byte + addu a0, a0, 1 + beq a2, a1, fnd + bne a2, zero, _C_LABEL(index) +notfnd: + move v0, zero + j ra +fnd: + subu v0, a0, 1 + j ra +END(index) diff --git a/lib/libc/mips/string/rindex.S b/lib/libc/mips/string/rindex.S new file mode 100644 index 0000000..4e7dee4 --- /dev/null +++ b/lib/libc/mips/string/rindex.S @@ -0,0 +1,55 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +LEAF(rindex) + .set reorder + move v0, zero # default if not found +1: + lbu a3, 0(a0) # get a byte + addu a0, a0, 1 + bne a3, a1, 2f + subu v0, a0, 1 # save address of last match +2: + bne a3, zero, 1b # continue if not end + j ra +END(rindex) diff --git a/lib/libc/mips/string/strcmp.S b/lib/libc/mips/string/strcmp.S new file mode 100644 index 0000000..bd6922e2 --- /dev/null +++ b/lib/libc/mips/string/strcmp.S @@ -0,0 +1,66 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* + * NOTE: this version assumes unsigned chars in order to be "8 bit clean". + */ +LEAF(strcmp) + .set reorder +1: + lbu t0, 0(a0) # get two bytes and compare them + lbu t1, 0(a1) + beq t0, zero, LessOrEq # end of first string? + bne t0, t1, NotEq + lbu t0, 1(a0) # unroll loop + lbu t1, 1(a1) + add a0, a0, 2 + beq t0, zero, LessOrEq # end of first string? + add a1, a1, 2 + beq t0, t1, 1b +NotEq: + subu v0, t0, t1 + j ra +LessOrEq: + subu v0, zero, t1 + j ra +END(strcmp) diff --git a/lib/libc/mips/string/strlen.S b/lib/libc/mips/string/strlen.S new file mode 100644 index 0000000..4f0569a --- /dev/null +++ b/lib/libc/mips/string/strlen.S @@ -0,0 +1,53 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +LEAF(strlen) + .set reorder + addu v1, a0, 1 +1: + lb v0, 0(a0) # get byte from string + addu a0, a0, 1 # increment pointer + bne v0, zero, 1b # continue if not end + subu v0, a0, v1 # compute length - 1 for '\0' char + j ra +END(strlen) diff --git a/lib/libc/mips/sys/Makefile.inc b/lib/libc/mips/sys/Makefile.inc new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/lib/libc/mips/sys/Makefile.inc diff --git a/lib/libc/mips/sys/Ovfork.S b/lib/libc/mips/sys/Ovfork.S new file mode 100644 index 0000000..fa95c3a --- /dev/null +++ b/lib/libc/mips/sys/Ovfork.S @@ -0,0 +1,63 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +/* + * pid = vfork(); + * + * v1 == 0 in parent process, v1 == 1 in child process. + * v0 == pid of child in parent, v0 == pid of parent in child. + */ + +LEAF(vfork) + .set reorder + li v0, SYS_vfork # system call number for vfork + syscall + beq a3, zero, 1f # jump if no errors + la t9, cerror + jr t9 +1: + beq v1, zero, 2f # parent process ? + move v0, zero # return zero in child +2: + j ra +END(vfork) diff --git a/lib/libc/mips/sys/brk.S b/lib/libc/mips/sys/brk.S new file mode 100644 index 0000000..483be25 --- /dev/null +++ b/lib/libc/mips/sys/brk.S @@ -0,0 +1,81 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + + .globl minbrk + .globl curbrk + + .data +minbrk: .word _C_LABEL(end) + .text + +LEAF(brk) + .set reorder + lw v0, minbrk + bltu a0, v0, 1f + la t9, _brk + jr t9 +1: + move a0, v0 # dont allow break < minbrk + li v0, SYS_break + syscall + bne a3, zero, 2f + sw a0, curbrk + move v0, zero + j ra +2: + la t9, _C_LABEL(cerror) + jr t9 +END(brk) + +LEAF(_brk) + .set reorder + li v0, SYS_break + syscall + bne a3, zero, 1f + sw a0, curbrk + move v0, zero + j ra +1: + la t9, _C_LABEL(cerror) + jr t9 +END(brk) diff --git a/lib/libc/mips/sys/cerror.S b/lib/libc/mips/sys/cerror.S new file mode 100644 index 0000000..8dd3aff --- /dev/null +++ b/lib/libc/mips/sys/cerror.S @@ -0,0 +1,51 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + + .globl _C_LABEL(errno) +LEAF(cerror) + .set noreorder + sw v0, _C_LABEL(errno) + li v0, -1 + j ra + li v1, -1 +END(cerror) diff --git a/lib/libc/mips/sys/exect.S b/lib/libc/mips/sys/exect.S new file mode 100644 index 0000000..581f21f --- /dev/null +++ b/lib/libc/mips/sys/exect.S @@ -0,0 +1,53 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(exect) + .set reorder + li v0, SYS_execve + syscall + bne a3, zero, 1f + j ra +1: + la t9, _C_LABEL(cerror) + jr t9 +END(exect) diff --git a/lib/libc/mips/sys/fork.S b/lib/libc/mips/sys/fork.S new file mode 100644 index 0000000..c454056 --- /dev/null +++ b/lib/libc/mips/sys/fork.S @@ -0,0 +1,56 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(fork) + .set reorder + li v0, SYS_fork # pid = fork() + syscall + bne a3, zero, 2f + beq v1, zero, 1f # v1 == 0 in parent, 1 in child + move v0, zero +1: + j ra +2: + la t9, _C_LABEL(cerror) + jr t9 +END(fork) diff --git a/lib/libc/mips/sys/pipe.S b/lib/libc/mips/sys/pipe.S new file mode 100644 index 0000000..2bed812 --- /dev/null +++ b/lib/libc/mips/sys/pipe.S @@ -0,0 +1,56 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(pipe) + .set reorder + li v0, SYS_pipe # pipe(fildes) int fildes[2]; + syscall + bne a3, zero, 1f + sw v0, 0(a0) # store the two file descriptors + sw v1, 4(a0) + move v0, zero + j ra +1: + la t9, _C_LABEL(cerror) + jr t9 +END(pipe) diff --git a/lib/libc/mips/sys/ptrace.S b/lib/libc/mips/sys/ptrace.S new file mode 100644 index 0000000..fe73ee0 --- /dev/null +++ b/lib/libc/mips/sys/ptrace.S @@ -0,0 +1,54 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(ptrace) + .set reorder + sw zero, _C_LABEL(errno) + li v0, SYS_ptrace + syscall + bne a3, zero, 1f + j ra +1: + la t9, _C_LABEL(cerror) + jr t9 +END(ptrace) diff --git a/lib/libc/mips/sys/sbrk.S b/lib/libc/mips/sys/sbrk.S new file mode 100644 index 0000000..8946be1 --- /dev/null +++ b/lib/libc/mips/sys/sbrk.S @@ -0,0 +1,64 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + + .globl curbrk + + .data +curbrk: .word _C_LABEL(end) + .text + +LEAF(sbrk) + .set reorder + lw v1, curbrk + li v0, SYS_break + addu a0, a0, v1 # compute current break + syscall + + bne a3, zero, 1f + move v0, v1 # return old val of curbrk from above + sw a0, curbrk # save current val of curbrk from above + j ra +1: + la t9, _C_LABEL(cerror) + jr t9 +END(sbrk) diff --git a/lib/libc/mips/sys/setlogin.S b/lib/libc/mips/sys/setlogin.S new file mode 100644 index 0000000..c148c3e --- /dev/null +++ b/lib/libc/mips/sys/setlogin.S @@ -0,0 +1,55 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(setlogin) + .set reorder + li v0, SYS_setlogin # setlogin(name) + syscall + + bne a3, zero, 1f + sw zero, _C_LABEL(__logname_valid) # in getlogin() + j ra +1: + la t9, _C_LABEL(cerror) + jr t9 +END(setlogin) diff --git a/lib/libc/mips/sys/sigpending.S b/lib/libc/mips/sys/sigpending.S new file mode 100644 index 0000000..9982086 --- /dev/null +++ b/lib/libc/mips/sys/sigpending.S @@ -0,0 +1,55 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(sigpending) + .set reorder + li v0, SYS_sigpending # setlogin(name) + syscall + bne a3, zero, 1f + sw v0, 0(a0) + move v0, zero + j ra +1: + la t9, _C_LABEL(cerror) + jr t9 +END(sigpending) diff --git a/lib/libc/mips/sys/sigprocmask.S b/lib/libc/mips/sys/sigprocmask.S new file mode 100644 index 0000000..ee30fd4 --- /dev/null +++ b/lib/libc/mips/sys/sigprocmask.S @@ -0,0 +1,63 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(sigprocmask) # sigprocmask(how, new, old) sigset_t *new, *old; + .set reorder + bne a1, zero, gotptr # if new sigset pointer not null + li a0, 1 # how = SIG_BLOCK + b doit # mask = zero +gotptr: + lw a1, 0(a1) # indirect to new mask arg +doit: + li v0, SYS_sigprocmask + syscall + bne a3, zero, err + beq a2, zero, out # test if old mask requested + sw v0, 0(a2) # store old mask +out: + move v0, zero + j ra +err: + la t9, _C_LABEL(cerror) + jr t9 +END(sigprocmask) diff --git a/lib/libc/mips/sys/sigreturn.S b/lib/libc/mips/sys/sigreturn.S new file mode 100644 index 0000000..4c20042 --- /dev/null +++ b/lib/libc/mips/sys/sigreturn.S @@ -0,0 +1,48 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +/* + * We must preserve the state of the registers as the user has set them up. + */ + +RSYSCALL(sigreturn) diff --git a/lib/libc/mips/sys/sigsuspend.S b/lib/libc/mips/sys/sigsuspend.S new file mode 100644 index 0000000..2394e2b --- /dev/null +++ b/lib/libc/mips/sys/sigsuspend.S @@ -0,0 +1,55 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(sigsuspend) + .set reorder + lw a0, 0(a0) # indirect to mask arg + li v0, SYS_sigsuspend + syscall + bne a3, zero, 1f + move v0, zero # should not happen + j ra +1: + la t9, _C_LABEL(cerror) + jr t9 +END(sigsuspend) diff --git a/lib/libc/mips/sys/syscall.S b/lib/libc/mips/sys/syscall.S new file mode 100644 index 0000000..d471155 --- /dev/null +++ b/lib/libc/mips/sys/syscall.S @@ -0,0 +1,47 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +#define SYS_syscall 0 + + +RSYSCALL(syscall) |
