diff options
Diffstat (limited to 'lib/libc/i386')
57 files changed, 3503 insertions, 26 deletions
diff --git a/lib/libc/i386/DEFS.h b/lib/libc/i386/DEFS.h index 10d9f9b..6df18a1 100644 --- a/lib/libc/i386/DEFS.h +++ b/lib/libc/i386/DEFS.h @@ -1,6 +1,6 @@ /*- - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. @@ -33,15 +33,51 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * @(#)DEFS.h 8.1 (Berkeley) 6/4/93 + * from: @(#)DEFS.h 5.1 (Berkeley) 4/23/90 + * + * $Id: DEFS.h,v 1.4 1994/05/03 16:29:13 jkh Exp $ */ -#ifdef PROF -#define ENTRY(x) .globl _/**/x; _/**/x: \ - .data; 1:; .long 0; .text; lea 1b,%eax ; call mcount -#define ASENTRY(x) .globl x; x: \ - .data; 1:; .long 0; .text; lea 1b,%eax ; call mcount +/* XXX should use align 4,0x90 for -m486. */ +#define _START_ENTRY .align 2,0x90; +#if 0 +/* Data is not used, except perhaps by non-g prof, which we don't support. */ +#define _MID_ENTRY .data; .align 2; 8:; .long 0; \ + .text; lea 8b,%eax; #else -#define ENTRY(x) .globl _/**/x; _/**/x: -#define ASENTRY(x) .globl x; x: +#define _MID_ENTRY +#endif + +#ifdef PROF + +#define ALTENTRY(x) _START_ENTRY \ + .globl _/**/x; .type _/**/x,@function; _/**/x:; \ + _MID_ENTRY \ + call mcount; jmp 9f + +#define ENTRY(x) _START_ENTRY \ + .globl _/**/x; .type _/**/x,@function; _/**/x:; \ + _MID_ENTRY \ + call mcount; 9: + + +#define ALTASENTRY(x) _START_ENTRY \ + .globl x; .type x,@function; x:; \ + _MID_ENTRY \ + call mcount; jmp 9f + +#define ASENTRY(x) _START_ENTRY \ + .globl x; .type x,@function; x:; \ + _MID_ENTRY \ + call mcount; 9: + +#else /* !PROF */ + +#define ENTRY(x) _START_ENTRY .globl _/**/x; .type _/**/x,@function; \ + _/**/x: +#define ALTENTRY(x) ENTRY(x) + +#define ASENTRY(x) _START_ENTRY .globl x; .type x,@function; x: +#define ALTASENTRY(x) ASENTRY(x) + #endif diff --git a/lib/libc/i386/SYS.h b/lib/libc/i386/SYS.h index dfb679f..53837ab 100644 --- a/lib/libc/i386/SYS.h +++ b/lib/libc/i386/SYS.h @@ -1,6 +1,6 @@ /*- - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. @@ -33,18 +33,34 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * @(#)SYS.h 8.1 (Berkeley) 6/4/93 + * from: @(#)SYS.h 5.5 (Berkeley) 5/7/91 + * + * $Id: SYS.h,v 1.3 1993/11/04 00:01:17 paul Exp $ */ #include <sys/syscall.h> +#include "DEFS.h" -#ifdef PROF -#define ENTRY(x) .globl _/**/x; \ - .data; 1:; .long 0; .text; .align 2; _/**/x: \ - movl $1b,%eax; call mcount +#ifdef PIC +#define PIC_PROLOGUE \ + pushl %ebx; \ + call 1f; \ +1: \ + popl %ebx; \ + addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx +#define PIC_EPILOGUE \ + popl %ebx +#define PIC_PLT(x) x@PLT +#define PIC_GOT(x) x@GOT(%ebx) +#define PIC_GOTOFF(x) x@GOTOFF(%ebx) #else -#define ENTRY(x) .globl _/**/x; .text; .align 2; _/**/x: -#endif PROF +#define PIC_PROLOGUE +#define PIC_EPILOGUE +#define PIC_PLT(x) x +#define PIC_GOT(x) x +#define PIC_GOTOFF(x) x +#endif + #define SYSCALL(x) 2: jmp cerror; ENTRY(x); lea SYS_/**/x,%eax; LCALL(7,0); jb 2b #define RSYSCALL(x) SYSCALL(x); ret #define PSEUDO(x,y) ENTRY(x); lea SYS_/**/y, %eax; ; LCALL(7,0); ret diff --git a/lib/libc/i386/gen/Makefile.inc b/lib/libc/i386/gen/Makefile.inc index 814013d..17556ea 100644 --- a/lib/libc/i386/gen/Makefile.inc +++ b/lib/libc/i386/gen/Makefile.inc @@ -1,5 +1,5 @@ # @(#)Makefile.inc 8.1 (Berkeley) 6/4/93 SRCS+= isinf.c -SRCS+= _setjmp.s alloca.s fabs.s ldexp.c modf.s setjmp.s -SRCS+= divsi3.s fixdfsi.s fixunsdfsi.s udivsi3.s +SRCS+= _setjmp.S alloca.S fabs.S ldexp.c modf.S setjmp.S +SRCS+= divsi3.S fixdfsi.S fixunsdfsi.S udivsi3.S diff --git a/lib/libc/i386/gen/_setjmp.S b/lib/libc/i386/gen/_setjmp.S new file mode 100644 index 0000000..7aa3e69 --- /dev/null +++ b/lib/libc/i386/gen/_setjmp.S @@ -0,0 +1,82 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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) + .asciz "@(#)_setjmp.s 5.1 (Berkeley) 4/23/90" + .align 2,0x90 +#endif /* LIBC_SCCS and not lint */ + +/* + * C library -- _setjmp, _longjmp + * + * _longjmp(a,v) + * will generate a "return(v)" from the last call to + * _setjmp(a) + * by restoring registers from the environment 'a'. + * The previous signal state is NOT restored. + */ + +#include "DEFS.h" + +ENTRY(_setjmp) + movl 4(%esp),%eax + movl 0(%esp),%edx + movl %edx, 0(%eax) /* rta */ + movl %ebx, 4(%eax) + movl %esp, 8(%eax) + movl %ebp,12(%eax) + movl %esi,16(%eax) + movl %edi,20(%eax) + fnstcw 28(%eax) + xorl %eax,%eax + ret + +ENTRY(_longjmp) + movl 4(%esp),%edx + movl 8(%esp),%eax + movl 0(%edx),%ecx + movl 4(%edx),%ebx + movl 8(%edx),%esp + movl 12(%edx),%ebp + movl 16(%edx),%esi + movl 20(%edx),%edi + fninit + fldcw 28(%edx) + testl %eax,%eax + jnz 1f + incl %eax +1: movl %ecx,0(%esp) + ret diff --git a/lib/libc/i386/gen/alloca.S b/lib/libc/i386/gen/alloca.S new file mode 100644 index 0000000..65378f5 --- /dev/null +++ b/lib/libc/i386/gen/alloca.S @@ -0,0 +1,57 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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) + .asciz "@(#)alloca.s 5.2 (Berkeley) 5/14/90" +#endif /* LIBC_SCCS and not lint */ + +/* like alloc, but automatic automatic free in return */ + +#include "DEFS.h" + +ENTRY(alloca) + popl %edx /* pop return addr */ + popl %eax /* pop amount to allocate */ + movl %esp,%ecx + addl $3,%eax /* round up to next word */ + andl $0xfffffffc,%eax + subl %eax,%esp + movl %esp,%eax /* base of newly allocated space */ + pushl 8(%ecx) /* copy possible saved registers */ + pushl 4(%ecx) + pushl 0(%ecx) + pushl %eax /* dummy to pop at callsite */ + jmp %edx /* "return" */ diff --git a/lib/libc/i386/gen/divsi3.S b/lib/libc/i386/gen/divsi3.S new file mode 100644 index 0000000..b08319e --- /dev/null +++ b/lib/libc/i386/gen/divsi3.S @@ -0,0 +1,47 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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) + .asciz "@(#)divsi3.s 5.1 (Berkeley) 5/15/90" +#endif /* LIBC_SCCS and not lint */ + + .globl ___divsi3 + .type ___divsi3,@function +___divsi3: + movl 4(%esp),%eax + cltd + idivl 8(%esp) + ret diff --git a/lib/libc/i386/gen/fabs.S b/lib/libc/i386/gen/fabs.S new file mode 100644 index 0000000..2519e8b --- /dev/null +++ b/lib/libc/i386/gen/fabs.S @@ -0,0 +1,46 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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) + .asciz "@(#)fabs.s 5.2 (Berkeley) 12/17/90" +#endif /* LIBC_SCCS and not lint */ + +#include "DEFS.h" + +ENTRY(fabs) + fldl 4(%esp) + fabs + ret diff --git a/lib/libc/i386/gen/fixdfsi.S b/lib/libc/i386/gen/fixdfsi.S new file mode 100644 index 0000000..a61c667 --- /dev/null +++ b/lib/libc/i386/gen/fixdfsi.S @@ -0,0 +1,20 @@ + .file "__fixdfsi.s" +.text + .align 2 +.globl ___fixdfsi +.type ___fixdfsi,@function +___fixdfsi: + pushl %ebp + movl %esp,%ebp + subl $12,%esp + fstcw -4(%ebp) + movw -4(%ebp),%ax + orw $0x0c00,%ax + movw %ax,-2(%ebp) + fldcw -2(%ebp) + fldl 8(%ebp) + fistpl -12(%ebp) + fldcw -4(%ebp) + movl -12(%ebp),%eax + leave + ret diff --git a/lib/libc/i386/gen/fixunsdfsi.S b/lib/libc/i386/gen/fixunsdfsi.S new file mode 100644 index 0000000..f61daee --- /dev/null +++ b/lib/libc/i386/gen/fixunsdfsi.S @@ -0,0 +1,82 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * from: @(#)fixunsdfsi.s 5.1 12/17/90 + * $Id: fixunsdfsi.S,v 1.1 1993/12/05 13:01:03 ats Exp $ + */ + +#if defined(LIBC_SCCS) + .text + .asciz "$Id: fixunsdfsi.S,v 1.1 1993/12/05 13:01:03 ats Exp $" +#endif + +#include "DEFS.h" +#include "SYS.h" + +ENTRY(__fixunsdfsi) + fldl 4(%esp) /* argument double to accum stack */ + frndint /* create integer */ +#ifdef PIC + PIC_PROLOGUE + leal PIC_GOTOFF(fbiggestsigned),%eax + PIC_EPILOGUE + fcoml (%eax) +#else + fcoml PIC_GOTOFF(fbiggestsigned) /* bigger than biggest signed? */ +#endif + fstsw %ax + sahf + jnb 1f + + fistpl 4(%esp) + movl 4(%esp),%eax + ret + +1: +#ifdef PIC + PIC_PROLOGUE + leal PIC_GOTOFF(fbiggestsigned),%eax + PIC_EPILOGUE + fsubl (%eax) +#else + fsubl PIC_GOTOFF(fbiggestsigned) /* reduce for proper conversion */ +#endif + fistpl 4(%esp) /* convert */ + movl 4(%esp),%eax + orl $0x80000000,%eax /* restore bias */ + PIC_EPILOGUE + ret + +fbiggestsigned: .double 0r2147483648.0 diff --git a/lib/libc/i386/gen/modf.S b/lib/libc/i386/gen/modf.S new file mode 100644 index 0000000..246729f --- /dev/null +++ b/lib/libc/i386/gen/modf.S @@ -0,0 +1,76 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Sean Eric Fagan. + * + * 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) + .asciz "@(#)modf.s 5.5 (Berkeley) 3/18/91" +#endif /* LIBC_SCCS and not lint */ + +/* + * modf(value, iptr): return fractional part of value, and stores the + * integral part into iptr (a pointer to double). + * + * Written by Sean Eric Fagan (sef@kithrup.COM) + * Sun Mar 11 20:27:30 PST 1990 + */ + +/* With CHOP mode on, frndint behaves as TRUNC does. Useful. */ +.text +.globl _modf +.type _modf,@function +_modf: + pushl %ebp + movl %esp,%ebp + subl $16,%esp + fnstcw -12(%ebp) + movw -12(%ebp),%dx + orw $3072,%dx + movw %dx,-16(%ebp) + fldcw -16(%ebp) + fldl 8(%ebp) + frndint + fstpl -8(%ebp) + fldcw -12(%ebp) + movl 16(%ebp),%eax + movl -8(%ebp),%edx + movl -4(%ebp),%ecx + movl %edx,(%eax) + movl %ecx,4(%eax) + fldl 8(%ebp) + fsubl -8(%ebp) + jmp L1 +L1: + leave + ret diff --git a/lib/libc/i386/gen/setjmp.S b/lib/libc/i386/gen/setjmp.S new file mode 100644 index 0000000..d9fc66e --- /dev/null +++ b/lib/libc/i386/gen/setjmp.S @@ -0,0 +1,91 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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) + .asciz "@(#)setjmp.s 5.1 (Berkeley) 4/23/90" + .align 2,0x90 +#endif /* LIBC_SCCS and not lint */ + +/* + * C library -- _setjmp, _longjmp + * + * longjmp(a,v) + * will generate a "return(v)" from the last call to + * setjmp(a) + * by restoring registers from the environment 'a'. + * The previous signal state is restored. + */ + +#include "DEFS.h" +#include "SYS.h" + +ENTRY(setjmp) + pushl $0 + call PIC_PLT(_sigblock) + popl %edx + movl 4(%esp),%ecx + movl 0(%esp),%edx + movl %edx, 0(%ecx) + movl %ebx, 4(%ecx) + movl %esp, 8(%ecx) + movl %ebp,12(%ecx) + movl %esi,16(%ecx) + movl %edi,20(%ecx) + movl %eax,24(%ecx) + fnstcw 28(%ecx) + xorl %eax,%eax + ret + +ENTRY(longjmp) + movl 4(%esp),%edx + pushl 24(%edx) + call PIC_PLT(_sigsetmask) /* XXX this is not reentrant */ + popl %eax + movl 4(%esp),%edx + movl 8(%esp),%eax + movl 0(%edx),%ecx + movl 4(%edx),%ebx + movl 8(%edx),%esp + movl 12(%edx),%ebp + movl 16(%edx),%esi + movl 20(%edx),%edi + fninit + fldcw 28(%edx) + testl %eax,%eax + jnz 1f + incl %eax +1: movl %ecx,0(%esp) + ret diff --git a/lib/libc/i386/gen/sigsetjmp.S b/lib/libc/i386/gen/sigsetjmp.S new file mode 100644 index 0000000..6c24386 --- /dev/null +++ b/lib/libc/i386/gen/sigsetjmp.S @@ -0,0 +1,89 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * + * from: @(#)setjmp.s 5.1 (Berkeley) 4/23/90" + * $Id: sigsetjmp.S,v 1.1 1993/12/05 13:01:05 ats Exp $ + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .text + .asciz "$Id: sigsetjmp.S,v 1.1 1993/12/05 13:01:05 ats Exp $" +#endif /* LIBC_SCCS and not lint */ + +#include "DEFS.h" +#include "SYS.h" + +ENTRY(sigsetjmp) + movl 8(%esp),%eax + movl 4(%esp),%ecx + movl %eax,24(%ecx) + testl %eax,%eax + jz 1f + pushl $0 + call PIC_PLT(_sigblock) + addl $4,%esp + movl 4(%esp),%ecx + movl %eax,28(%ecx) +1: movl 0(%esp),%edx + movl %edx, 0(%ecx) + movl %ebx, 4(%ecx) + movl %esp, 8(%ecx) + movl %ebp,12(%ecx) + movl %esi,16(%ecx) + movl %edi,20(%ecx) + xorl %eax,%eax + ret + +ENTRY(siglongjmp) + movl 4(%esp),%edx + cmpl $0,24(%edx) + jz 1f + pushl 28(%edx) + call PIC_PLT(_sigsetmask) + addl $4,%esp +1: movl 4(%esp),%edx + movl 8(%esp),%eax + movl 0(%edx),%ecx + movl 4(%edx),%ebx + movl 8(%edx),%esp + movl 12(%edx),%ebp + movl 16(%edx),%esi + movl 20(%edx),%edi + testl %eax,%eax + jnz 2f + incl %eax +2: movl %ecx,0(%esp) + ret diff --git a/lib/libc/i386/gen/udivsi3.S b/lib/libc/i386/gen/udivsi3.S new file mode 100644 index 0000000..f05e004 --- /dev/null +++ b/lib/libc/i386/gen/udivsi3.S @@ -0,0 +1,47 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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) + .asciz "@(#)udivsi3.s 5.1 (Berkeley) 5/15/90" +#endif /* LIBC_SCCS and not lint */ + + .globl ___udivsi3 + .type ___udivsi3,@function +___udivsi3: + movl 4(%esp),%eax + xorl %edx,%edx + divl 8(%esp) + ret diff --git a/lib/libc/i386/net/Makefile.inc b/lib/libc/i386/net/Makefile.inc index 81a6c91..c848c82 100644 --- a/lib/libc/i386/net/Makefile.inc +++ b/lib/libc/i386/net/Makefile.inc @@ -1,3 +1,3 @@ # @(#)Makefile.inc 8.1 (Berkeley) 6/4/93 -SRCS+= htonl.s htons.s ntohl.s ntohs.s +SRCS+= htonl.S htons.S ntohl.S ntohs.S diff --git a/lib/libc/i386/net/htonl.S b/lib/libc/i386/net/htonl.S new file mode 100644 index 0000000..a65e3f0 --- /dev/null +++ b/lib/libc/i386/net/htonl.S @@ -0,0 +1,50 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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) + .asciz "@(#)htonl.s 5.3 (Berkeley) 12/17/90" +#endif /* LIBC_SCCS and not lint */ + +/* netorder = htonl(hostorder) */ + +#include "DEFS.h" + +ENTRY(htonl) + movl 4(%esp),%eax + xchgb %al,%ah + roll $16,%eax + xchgb %al,%ah + ret diff --git a/lib/libc/i386/net/htons.S b/lib/libc/i386/net/htons.S new file mode 100644 index 0000000..6b3fbb0 --- /dev/null +++ b/lib/libc/i386/net/htons.S @@ -0,0 +1,48 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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) + .asciz "@(#)htons.s 5.2 (Berkeley) 12/17/90" +#endif /* LIBC_SCCS and not lint */ + +/* netorder = htons(hostorder) */ + +#include "DEFS.h" + +ENTRY(htons) + movzwl 4(%esp),%eax + xchgb %al,%ah + ret diff --git a/lib/libc/i386/net/ntohl.S b/lib/libc/i386/net/ntohl.S new file mode 100644 index 0000000..5748f9e --- /dev/null +++ b/lib/libc/i386/net/ntohl.S @@ -0,0 +1,50 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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) + .asciz "@(#)ntohl.s 5.2 (Berkeley) 12/17/90" +#endif /* LIBC_SCCS and not lint */ + +/* hostorder = ntohl(netorder) */ + +#include "DEFS.h" + +ENTRY(ntohl) + movl 4(%esp),%eax + xchgb %al,%ah + roll $16,%eax + xchgb %al,%ah + ret diff --git a/lib/libc/i386/net/ntohs.S b/lib/libc/i386/net/ntohs.S new file mode 100644 index 0000000..084c862 --- /dev/null +++ b/lib/libc/i386/net/ntohs.S @@ -0,0 +1,48 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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) + .asciz "@(#)ntohs.s 5.2 (Berkeley) 12/17/90" +#endif /* LIBC_SCCS and not lint */ + +/* hostorder = ntohs(netorder) */ + +#include "DEFS.h" + +ENTRY(ntohs) + movzwl 4(%esp),%eax + xchgb %al,%ah + ret diff --git a/lib/libc/i386/stdlib/Makefile.inc b/lib/libc/i386/stdlib/Makefile.inc index 37d5037..6a1911b 100644 --- a/lib/libc/i386/stdlib/Makefile.inc +++ b/lib/libc/i386/stdlib/Makefile.inc @@ -1,3 +1,3 @@ # @(#)Makefile.inc 8.1 (Berkeley) 6/4/93 -SRCS+= abs.s +SRCS+= abs.S diff --git a/lib/libc/i386/stdlib/abs.S b/lib/libc/i386/stdlib/abs.S new file mode 100644 index 0000000..3122fcb --- /dev/null +++ b/lib/libc/i386/stdlib/abs.S @@ -0,0 +1,49 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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) + .text + .asciz "@(#)abs.s 5.2 (Berkeley) 12/17/90" +#endif /* LIBC_SCCS and not lint */ + +#include "DEFS.h" + +ENTRY(abs) + movl 4(%esp),%eax + cmpl $0,%eax + jge 1f + negl %eax +1: ret diff --git a/lib/libc/i386/stdlib/div.S b/lib/libc/i386/stdlib/div.S new file mode 100644 index 0000000..b4f89d2 --- /dev/null +++ b/lib/libc/i386/stdlib/div.S @@ -0,0 +1,47 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: div.S,v 1.1 1993/12/04 21:46:15 ats Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .text + .asciz "$Id: div.S,v 1.1 1993/12/04 21:46:15 ats Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +ENTRY(div) + movl 4(%esp),%eax + movl 8(%esp),%ecx + cdq + idiv %ecx + movl %eax,4(%esp) + movl %edx,8(%esp) + ret diff --git a/lib/libc/i386/stdlib/labs.S b/lib/libc/i386/stdlib/labs.S new file mode 100644 index 0000000..b7a1c5d --- /dev/null +++ b/lib/libc/i386/stdlib/labs.S @@ -0,0 +1,49 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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) + .text + .asciz "@(#)abs.s 5.2 (Berkeley) 12/17/90" +#endif /* LIBC_SCCS and not lint */ + +#include "DEFS.h" + +ENTRY(labs) + movl 4(%esp),%eax + cmpl $0,%eax + jge 1f + negl %eax +1: ret diff --git a/lib/libc/i386/stdlib/ldiv.S b/lib/libc/i386/stdlib/ldiv.S new file mode 100644 index 0000000..de7bb94 --- /dev/null +++ b/lib/libc/i386/stdlib/ldiv.S @@ -0,0 +1,47 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: ldiv.S,v 1.1 1993/12/04 21:46:17 ats Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .text + .asciz "$Id: ldiv.S,v 1.1 1993/12/04 21:46:17 ats Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +ENTRY(ldiv) + movl 4(%esp),%eax + movl 8(%esp),%ecx + cdq + idiv %ecx + movl %eax,4(%esp) + movl %edx,8(%esp) + ret diff --git a/lib/libc/i386/string/Makefile.inc b/lib/libc/i386/string/Makefile.inc index c36af74..506e5fe 100644 --- a/lib/libc/i386/string/Makefile.inc +++ b/lib/libc/i386/string/Makefile.inc @@ -1,5 +1,7 @@ # @(#)Makefile.inc 8.1 (Berkeley) 6/4/93 -SRCS+= bcmp.c bcopy.c bzero.s ffs.c index.c memchr.c memcmp.c memset.c \ - rindex.c strcat.c strcmp.c strcpy.c strcspn.c strlen.c strncat.c \ - strncmp.c strncpy.c strpbrk.c strsep.c strspn.c strstr.c +SRCS+= bcmp.S bcopy.S bzero.S ffs.S index.S memchr.S memcmp.S \ + memmove.S memset.S \ + rindex.S strcat.S strchr.S strcmp.S strcpy.S strcspn.c \ + strlen.S strncat.c strncmp.S strncpy.c strpbrk.c strsep.c \ + strspn.c strrchr.S strstr.c diff --git a/lib/libc/i386/string/bcmp.S b/lib/libc/i386/string/bcmp.S new file mode 100644 index 0000000..d199224 --- /dev/null +++ b/lib/libc/i386/string/bcmp.S @@ -0,0 +1,69 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: bcmp.S,v 1.2 1994/03/31 14:10:57 davidg Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: bcmp.S,v 1.2 1994/03/31 14:10:57 davidg Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +/* + * bcmp (void *b1, void *b2, size_t len) + * + * Written by: + * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. + */ + +ENTRY(bcmp) + pushl %edi + pushl %esi + movl 12(%esp),%edi + movl 16(%esp),%esi + xorl %eax,%eax /* clear return value */ + cld /* set compare direction forward */ + + movl 20(%esp),%ecx /* compare by words */ + shrl $2,%ecx + repe + cmpsl + jne L1 + + movl 20(%esp),%ecx /* compare remainder by bytes */ + andl $3,%ecx + repe + cmpsb + je L2 + +L1: incl %eax +L2: popl %esi + popl %edi + ret diff --git a/lib/libc/i386/string/bcopy.S b/lib/libc/i386/string/bcopy.S new file mode 100644 index 0000000..b68cdf3 --- /dev/null +++ b/lib/libc/i386/string/bcopy.S @@ -0,0 +1,86 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * + * 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. + * + * $Id: bcopy.S,v 1.1 1993/12/05 13:01:41 ats Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: bcopy.S,v 1.1 1993/12/05 13:01:41 ats Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + + /* + * (ov)bcopy (src,dst,cnt) + * ws@tools.de (Wolfgang Solfrank, TooLs GmbH) +49-228-985800 + */ + +ENTRY(bcopy) + pushl %esi + pushl %edi + movl 12(%esp),%esi + movl 16(%esp),%edi + movl 20(%esp),%ecx + cmpl %esi,%edi /* potentially overlapping? */ + jnb 1f + cld /* nope, copy forwards. */ + shrl $2,%ecx /* copy by words */ + rep + movsl + movl 20(%esp),%ecx + andl $3,%ecx /* any bytes left? */ + rep + movsb + popl %edi + popl %esi + ret +1: + addl %ecx,%edi /* copy backwards. */ + addl %ecx,%esi + std + andl $3,%ecx /* any fractional bytes? */ + decl %edi + decl %esi + rep + movsb + movl 20(%esp),%ecx /* copy remainder by words */ + shrl $2,%ecx + subl $3,%esi + subl $3,%edi + rep + movsl + popl %edi + popl %esi + cld + ret diff --git a/lib/libc/i386/string/bzero.S b/lib/libc/i386/string/bzero.S new file mode 100644 index 0000000..7e0dcdc --- /dev/null +++ b/lib/libc/i386/string/bzero.S @@ -0,0 +1,86 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: bzero.S,v 1.1 1993/12/05 13:01:42 ats Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: bzero.S,v 1.1 1993/12/05 13:01:42 ats Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +/* + * bzero (void *b, size_t len) + * write len zero bytes to the string b. + * + * Written by: + * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. + */ + +ENTRY(bzero) + pushl %edi + pushl %ebx + movl 12(%esp),%edi + movl 16(%esp),%ecx + + cld /* set fill direction forward */ + xorl %eax,%eax /* set fill data to 0 */ + + /* + * if the string is too short, it's really not worth the overhead + * of aligning to word boundries, etc. So we jump to a plain + * unaligned set. + */ + cmpl $0x0f,%ecx + jle L1 + + movl %edi,%edx /* compute misalignment */ + negl %edx + andl $3,%edx + movl %ecx,%ebx + subl %edx,%ebx + + movl %edx,%ecx /* zero until word aligned */ + rep + stosb + + movl %ebx,%ecx /* zero by words */ + shrl $2,%ecx + rep + stosl + + movl %ebx,%ecx + andl $3,%ecx /* zero remainder by bytes */ +L1: rep + stosb + + popl %ebx + popl %edi + ret diff --git a/lib/libc/i386/string/ffs.S b/lib/libc/i386/string/ffs.S new file mode 100644 index 0000000..42b6357 --- /dev/null +++ b/lib/libc/i386/string/ffs.S @@ -0,0 +1,58 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: ffs.S,v 1.1 1993/12/05 13:01:43 ats Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: ffs.S,v 1.1 1993/12/05 13:01:43 ats Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +/* + * ffs(value) + * finds the first bit set in value and returns the index of + * that bit. Bits are numbered starting from 1, starting at the + * rightmost bit. A return value of 0 means that the argument + * was zero. + * + * Written by: + * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. + */ + +ENTRY(ffs) + bsfl 4(%esp),%eax + jz L1 /* ZF is set if all bits are 0 */ + incl %eax /* bits numbered from 1, not 0 */ + ret + + .align 2 +L1: xorl %eax,%eax /* clear result */ + ret diff --git a/lib/libc/i386/string/index.S b/lib/libc/i386/string/index.S new file mode 100644 index 0000000..1ac8473 --- /dev/null +++ b/lib/libc/i386/string/index.S @@ -0,0 +1,68 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: index.S,v 1.1 1993/12/05 13:01:46 ats Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: index.S,v 1.1 1993/12/05 13:01:46 ats Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +/* + * index(s, c) + * return a pointer to the first occurance of the character c in + * string s, or NULL if c does not occur in the string. + * + * %edx - pointer iterating through string + * %eax - pointer to first occurance of 'c' + * %cl - character we're comparing against + * %bl - character at %edx + * + * Written by: + * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. + */ + +ENTRY(index) + pushl %ebx + movl 8(%esp),%eax + movb 12(%esp),%cl + .align 2,0x90 +L1: + movb (%eax),%bl + cmpb %bl,%cl /* found char??? */ + je L2 + incl %eax + testb %bl,%bl /* null terminator??? */ + jne L1 + xorl %eax,%eax +L2: + popl %ebx + ret diff --git a/lib/libc/i386/string/memchr.S b/lib/libc/i386/string/memchr.S new file mode 100644 index 0000000..5ff0a34 --- /dev/null +++ b/lib/libc/i386/string/memchr.S @@ -0,0 +1,63 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: memchr.S,v 1.1 1993/12/05 13:01:47 ats Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: memchr.S,v 1.1 1993/12/05 13:01:47 ats Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +/* + * memchr (b, c, len) + * locates the first occurance of c in string b. + * + * Written by: + * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. + */ + +ENTRY(memchr) + pushl %edi + movl 8(%esp),%edi /* string address */ + movl 12(%esp),%eax /* set character to search for */ + movl 16(%esp),%ecx /* set length of search */ + testl %eax,%eax /* clear Z flag, for len == 0 */ + cld /* set search forward */ + repne /* search! */ + scasb + jnz L1 /* scan failed, return null */ + leal -1(%edi),%eax /* adjust result of scan */ + popl %edi + ret + .align 2,0x90 +L1: xorl %eax,%eax + popl %edi + ret diff --git a/lib/libc/i386/string/memcmp.S b/lib/libc/i386/string/memcmp.S new file mode 100644 index 0000000..5e74a73 --- /dev/null +++ b/lib/libc/i386/string/memcmp.S @@ -0,0 +1,80 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: memcmp.S,v 1.3 1994/03/31 14:10:59 davidg Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: memcmp.S,v 1.3 1994/03/31 14:10:59 davidg Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +/* + * memcmp (void *b1, void *b2, size_t len) + * + * Written by: + * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. + */ + +ENTRY(memcmp) + pushl %edi + pushl %esi + movl 12(%esp),%edi + movl 16(%esp),%esi + cld /* set compare direction forward */ + + movl 20(%esp),%ecx /* compare by words */ + shrl $2,%ecx + repe + cmpsl + jne L5 /* do we match so far? */ + + movl 20(%esp),%ecx /* compare remainder by bytes */ + andl $3,%ecx + repe + cmpsb + jne L6 /* do we match? */ + + xorl %eax,%eax /* we match, return zero */ + popl %esi + popl %edi + ret + +L5: movl $4,%ecx /* We know that one of the next */ + subl %ecx,%edi /* four pairs of bytes do not */ + subl %ecx,%esi /* match. */ + repe + cmpsb +L6: movzbl -1(%edi),%eax /* Perform unsigned comparison */ + movzbl -1(%esi),%edx + subl %edx,%eax + popl %esi + popl %edi + ret diff --git a/lib/libc/i386/string/memmove.S b/lib/libc/i386/string/memmove.S new file mode 100644 index 0000000..7eeec5b --- /dev/null +++ b/lib/libc/i386/string/memmove.S @@ -0,0 +1,89 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * + * 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. + * + * $Id: memmove.S,v 1.2 1994/03/31 14:11:00 davidg Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: memmove.S,v 1.2 1994/03/31 14:11:00 davidg Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + + /* + * (ov)bcopy (src,dst,cnt) + * ws@tools.de (Wolfgang Solfrank, TooLs GmbH) +49-228-985800 + */ + +ALTENTRY(memcpy) +ENTRY(memmove) + pushl %esi + pushl %edi + movl 12(%esp),%edi + movl 16(%esp),%esi + movl 20(%esp),%ecx + cmpl %esi,%edi /* potentially overlapping? */ + jnb 1f + cld /* nope, copy forwards. */ + shrl $2,%ecx /* copy by words */ + rep + movsl + movl 20(%esp),%ecx + andl $3,%ecx /* any bytes left? */ + rep + movsb + movl 12(%esp),%eax + popl %edi + popl %esi + ret +1: + addl %ecx,%edi /* copy backwards. */ + addl %ecx,%esi + std + andl $3,%ecx /* any fractional bytes? */ + decl %edi + decl %esi + rep + movsb + movl 20(%esp),%ecx /* copy remainder by words */ + shrl $2,%ecx + subl $3,%esi + subl $3,%edi + rep + movsl + movl 12(%esp),%eax + popl %edi + popl %esi + cld + ret diff --git a/lib/libc/i386/string/memset.S b/lib/libc/i386/string/memset.S new file mode 100644 index 0000000..b7fc069 --- /dev/null +++ b/lib/libc/i386/string/memset.S @@ -0,0 +1,94 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: memset.S,v 1.2 1994/03/31 14:11:01 davidg Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: memset.S,v 1.2 1994/03/31 14:11:01 davidg Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +/* + * memset(void *b, int c, size_t len) + * write len bytes of value c (converted to an unsigned char) to + * the string b. + * + * Written by: + * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. + */ + +ENTRY(memset) + pushl %edi + pushl %ebx + movl 12(%esp),%edi + movzbl 16(%esp),%eax /* unsigned char, zero extend */ + movl 20(%esp),%ecx + pushl %edi /* push address of buffer */ + + cld /* set fill direction forward */ + + /* + * if the string is too short, it's really not worth the overhead + * of aligning to word boundries, etc. So we jump to a plain + * unaligned set. + */ + cmpl $0x0f,%ecx + jle L1 + + movb %al,%ah /* copy char to all bytes in word */ + movl %eax,%edx + sall $16,%eax + orl %edx,%eax + + movl %edi,%edx /* compute misalignment */ + negl %edx + andl $3,%edx + movl %ecx,%ebx + subl %edx,%ebx + + movl %edx,%ecx /* set until word aligned */ + rep + stosb + + movl %ebx,%ecx + shrl $2,%ecx /* set by words */ + rep + stosl + + movl %ebx,%ecx /* set remainder by bytes */ + andl $3,%ecx +L1: rep + stosb + + popl %eax /* pop address of buffer */ + popl %ebx + popl %edi + ret diff --git a/lib/libc/i386/string/rindex.S b/lib/libc/i386/string/rindex.S new file mode 100644 index 0000000..3e95f5f --- /dev/null +++ b/lib/libc/i386/string/rindex.S @@ -0,0 +1,69 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: rindex.S,v 1.1 1993/12/05 13:01:55 ats Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: rindex.S,v 1.1 1993/12/05 13:01:55 ats Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +/* + * rindex(s, c) + * return a pointer to the last occurance of the character c in + * string s, or NULL if c does not occur in the string. + * + * %edx - pointer iterating through string + * %eax - pointer to last occurance of 'c' + * %cl - character we're comparing against + * %bl - character at %edx + * + * Written by: + * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. + */ + +ENTRY(rindex) + pushl %ebx + movl 8(%esp),%edx + movb 12(%esp),%cl + xorl %eax,%eax /* init pointer to null */ + .align 2,0x90 +L1: + movb (%edx),%bl + cmpb %bl,%cl + jne L2 + movl %edx,%eax +L2: + incl %edx + testb %bl,%bl /* null terminator??? */ + jne L1 + popl %ebx + ret diff --git a/lib/libc/i386/string/strcat.S b/lib/libc/i386/string/strcat.S new file mode 100644 index 0000000..5bb6fc4 --- /dev/null +++ b/lib/libc/i386/string/strcat.S @@ -0,0 +1,105 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: strcat.S,v 1.1 1993/12/05 13:01:56 ats Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: strcat.S,v 1.1 1993/12/05 13:01:56 ats Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +/* + * strcat(s, append) + * append a copy of the null-terminated string "append" to the end + * of the null-terminated string s, then add a terminating `\0'. + * + * Written by: + * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. + */ + +/* + * I've unrolled the loop eight times: large enough to make a + * significant difference, and small enough not to totally trash the + * cashe. + */ + +ENTRY(strcat) + pushl %edi /* save edi */ + movl 8(%esp),%edi /* dst address */ + movl 12(%esp),%edx /* src address */ + pushl %edi /* push destination address */ + + cld /* set search forward */ + xorl %eax,%eax /* set search for null terminator */ + movl $-1,%ecx /* set search for lots of characters */ + repne /* search! */ + scasb + + leal -1(%edi),%ecx /* correct dst address */ + + .align 2,0x90 +L1: movb (%edx),%al /* unroll loop, but not too much */ + movb %al,(%ecx) + testb %al,%al + je L2 + movb 1(%edx),%al + movb %al,1(%ecx) + testb %al,%al + je L2 + movb 2(%edx),%al + movb %al,2(%ecx) + testb %al,%al + je L2 + movb 3(%edx),%al + movb %al,3(%ecx) + testb %al,%al + je L2 + movb 4(%edx),%al + movb %al,4(%ecx) + testb %al,%al + je L2 + movb 5(%edx),%al + movb %al,5(%ecx) + testb %al,%al + je L2 + movb 6(%edx),%al + movb %al,6(%ecx) + testb %al,%al + je L2 + movb 7(%edx),%al + movb %al,7(%ecx) + addl $8,%edx + addl $8,%ecx + testb %al,%al + jne L1 +L2: popl %eax /* pop destination address */ + popl %edi /* restore edi */ + ret diff --git a/lib/libc/i386/string/strchr.S b/lib/libc/i386/string/strchr.S new file mode 100644 index 0000000..1b44b28 --- /dev/null +++ b/lib/libc/i386/string/strchr.S @@ -0,0 +1,68 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: strchr.S,v 1.1 1993/12/05 13:01:56 ats Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: strchr.S,v 1.1 1993/12/05 13:01:56 ats Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +/* + * strchr(s, c) + * return a pointer to the first occurance of the character c in + * string s, or NULL if c does not occur in the string. + * + * %edx - pointer iterating through string + * %eax - pointer to first occurance of 'c' + * %cl - character we're comparing against + * %bl - character at %edx + * + * Written by: + * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. + */ + +ENTRY(strchr) + pushl %ebx + movl 8(%esp),%eax + movb 12(%esp),%cl + .align 2,0x90 +L1: + movb (%eax),%bl + cmpb %bl,%cl /* found char??? */ + je L2 + incl %eax + testb %bl,%bl /* null terminator??? */ + jne L1 + xorl %eax,%eax +L2: + popl %ebx + ret diff --git a/lib/libc/i386/string/strcmp.S b/lib/libc/i386/string/strcmp.S new file mode 100644 index 0000000..bdc4585 --- /dev/null +++ b/lib/libc/i386/string/strcmp.S @@ -0,0 +1,124 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: strcmp.S,v 1.2 1994/03/04 15:50:28 ache Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: strcmp.S,v 1.2 1994/03/04 15:50:28 ache Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +/* + * strcmp(s1, s2) + * return an integer greater than, equal to, or less than 0, + * according as string s1 is greater than, equal to, or less + * than the string s2. + * + * %eax - pointer to s1 + * %edx - pointer to s2 + * + * Written by: + * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. + */ + +/* + * I've unrolled the loop eight times: large enough to make a + * significant difference, and small enough not to totally trash the + * cashe. + */ + +ENTRY(strcmp) + movl 0x04(%esp),%eax + movl 0x08(%esp),%edx + jmp L2 /* Jump into the loop! */ + + .align 2,0x90 +L1: incl %eax + incl %edx +L2: movb (%eax),%cl + testb %cl,%cl + je L3 + cmpb %cl,(%edx) + jne L3 + incl %eax + incl %edx + movb (%eax),%cl + testb %cl,%cl + je L3 + cmpb %cl,(%edx) + jne L3 + incl %eax + incl %edx + movb (%eax),%cl + testb %cl,%cl + je L3 + cmpb %cl,(%edx) + jne L3 + incl %eax + incl %edx + movb (%eax),%cl + testb %cl,%cl + je L3 + cmpb %cl,(%edx) + jne L3 + incl %eax + incl %edx + movb (%eax),%cl + testb %cl,%cl + je L3 + cmpb %cl,(%edx) + jne L3 + incl %eax + incl %edx + movb (%eax),%cl + testb %cl,%cl + je L3 + cmpb %cl,(%edx) + jne L3 + incl %eax + incl %edx + movb (%eax),%cl + testb %cl,%cl + je L3 + cmpb %cl,(%edx) + jne L3 + incl %eax + incl %edx + movb (%eax),%cl + testb %cl,%cl + je L3 + cmpb %cl,(%edx) + je L1 + .align 2, 0x90 +L3: movzbl (%eax),%eax /* unsigned comparison */ + movzbl (%edx),%edx + subl %edx,%eax + ret diff --git a/lib/libc/i386/string/strcpy.S b/lib/libc/i386/string/strcpy.S new file mode 100644 index 0000000..07983f9 --- /dev/null +++ b/lib/libc/i386/string/strcpy.S @@ -0,0 +1,94 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: strcpy.S,v 1.1 1993/12/05 13:01:58 ats Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: strcpy.S,v 1.1 1993/12/05 13:01:58 ats Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +/* + * strcpy (dst, src) + * copy the string src to dst. + * + * Written by: + * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. + */ + +/* + * I've unrolled the loop eight times: large enough to make a + * significant difference, and small enough not to totally trash the + * cashe. + */ + +ENTRY(strcpy) + movl 4(%esp),%ecx /* dst address */ + movl 8(%esp),%edx /* src address */ + pushl %ecx /* push dst address */ + + .align 2,0x90 +L1: movb (%edx),%al /* unroll loop, but not too much */ + movb %al,(%ecx) + testb %al,%al + je L2 + movb 1(%edx),%al + movb %al,1(%ecx) + testb %al,%al + je L2 + movb 2(%edx),%al + movb %al,2(%ecx) + testb %al,%al + je L2 + movb 3(%edx),%al + movb %al,3(%ecx) + testb %al,%al + je L2 + movb 4(%edx),%al + movb %al,4(%ecx) + testb %al,%al + je L2 + movb 5(%edx),%al + movb %al,5(%ecx) + testb %al,%al + je L2 + movb 6(%edx),%al + movb %al,6(%ecx) + testb %al,%al + je L2 + movb 7(%edx),%al + movb %al,7(%ecx) + addl $8,%edx + addl $8,%ecx + testb %al,%al + jne L1 +L2: popl %eax /* pop dst address */ + ret diff --git a/lib/libc/i386/string/strlen.S b/lib/libc/i386/string/strlen.S new file mode 100644 index 0000000..3729fa5 --- /dev/null +++ b/lib/libc/i386/string/strlen.S @@ -0,0 +1,58 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: strlen.S,v 1.1 1993/12/05 13:01:59 ats Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: strlen.S,v 1.1 1993/12/05 13:01:59 ats Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +/* + * strlen (s) + * compute the length of the string s. + * + * Written by: + * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. + */ + +ENTRY(strlen) + pushl %edi + movl 8(%esp),%edi /* string address */ + cld /* set search forward */ + xorl %eax,%eax /* set search for null terminator */ + movl $-1,%ecx /* set search for lots of characters */ + repne /* search! */ + scasb + notl %ecx /* get length by taking complement */ + leal -1(%ecx),%eax /* and subtracting one */ + popl %edi + ret diff --git a/lib/libc/i386/string/strncmp.S b/lib/libc/i386/string/strncmp.S new file mode 100644 index 0000000..a4df802 --- /dev/null +++ b/lib/libc/i386/string/strncmp.S @@ -0,0 +1,157 @@ +/* + * Copyright (c) 1993,94 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: strncmp.S,v 1.3 1994/03/31 14:11:02 davidg Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: strncmp.S,v 1.3 1994/03/31 14:11:02 davidg Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +/* + * strncmp(s1, s2, n) + * return an integer greater than, equal to, or less than 0, + * according as the first n characters of string s1 is greater + * than, equal to, or less than the string s2. + * + * %eax - pointer to s1 + * %ecx - pointer to s2 + * %edx - length + * + * Written by: + * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. + */ + +/* + * I've unrolled the loop eight times: large enough to make a + * significant difference, and small enough not to totally trash the + * cache. + */ + +ENTRY(strncmp) + pushl %ebx + movl 8(%esp),%eax + movl 12(%esp),%ecx + movl 16(%esp),%edx + testl %edx,%edx + jmp L2 /* Jump into the loop! */ + + .align 2,0x90 +L1: incl %eax + incl %ecx + decl %edx +L2: jz L4 /* strings are equal */ + movb (%eax),%bl + testb %bl,%bl + jz L3 + cmpb %bl,(%ecx) + jne L3 + + incl %eax + incl %ecx + decl %edx + jz L4 + movb (%eax),%bl + testb %bl,%bl + jz L3 + cmpb %bl,(%ecx) + jne L3 + + incl %eax + incl %ecx + decl %edx + jz L4 + movb (%eax),%bl + testb %bl,%bl + jz L3 + cmpb %bl,(%ecx) + jne L3 + + incl %eax + incl %ecx + decl %edx + jz L4 + movb (%eax),%bl + testb %bl,%bl + jz L3 + cmpb %bl,(%ecx) + jne L3 + + incl %eax + incl %ecx + decl %edx + jz L4 + movb (%eax),%bl + testb %bl,%bl + jz L3 + cmpb %bl,(%ecx) + jne L3 + + incl %eax + incl %ecx + decl %edx + jz L4 + movb (%eax),%bl + testb %bl,%bl + jz L3 + cmpb %bl,(%ecx) + jne L3 + + incl %eax + incl %ecx + decl %edx + jz L4 + movb (%eax),%bl + testb %bl,%bl + jz L3 + cmpb %bl,(%ecx) + jne L3 + + incl %eax + incl %ecx + decl %edx + jz L4 + movb (%eax),%bl + testb %bl,%bl + jz L3 + cmpb %bl,(%ecx) + je L1 + + .align 2,0x90 +L3: movzbl (%eax),%eax /* unsigned comparision */ + movzbl (%ecx),%ecx + subl %ecx,%eax + popl %ebx + ret + .align 2,0x90 +L4: xorl %eax,%eax + popl %ebx + ret diff --git a/lib/libc/i386/string/strrchr.S b/lib/libc/i386/string/strrchr.S new file mode 100644 index 0000000..ef4d776 --- /dev/null +++ b/lib/libc/i386/string/strrchr.S @@ -0,0 +1,69 @@ +/* + * Copyright (c) 1993 Winning Strategies, Inc. + * 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 Winning Strategies, Inc. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: strrchr.S,v 1.1 1993/12/05 13:02:01 ats Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: strrchr.S,v 1.1 1993/12/05 13:02:01 ats Exp $" +#endif /* LIBC_RCS and not lint */ + +#include "DEFS.h" + +/* + * strrchr(s, c) + * return a pointer to the last occurance of the character c in + * string s, or NULL if c does not occur in the string. + * + * %edx - pointer iterating through string + * %eax - pointer to last occurance of 'c' + * %cl - character we're comparing against + * %bl - character at %edx + * + * Written by: + * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. + */ + +ENTRY(strrchr) + pushl %ebx + movl 8(%esp),%edx + movb 12(%esp),%cl + xorl %eax,%eax /* init pointer to null */ + .align 2,0x90 +L1: + movb (%edx),%bl + cmpb %bl,%cl + jne L2 + movl %edx,%eax +L2: + incl %edx + testb %bl,%bl /* null terminator??? */ + jne L1 + popl %ebx + ret diff --git a/lib/libc/i386/sys/Ovfork.S b/lib/libc/i386/sys/Ovfork.S new file mode 100644 index 0000000..181dae5 --- /dev/null +++ b/lib/libc/i386/sys/Ovfork.S @@ -0,0 +1,80 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * $Id: Ovfork.S,v 1.3 1994/02/21 05:19:08 rgrimes Exp $ + */ + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)Ovfork.s 5.1 (Berkeley) 4/23/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" + +/* + * pid = vfork(); + * + * %edx == 0 in parent process, %edx == 1 in child process. + * %eax == pid of child in parent, %eax == pid of parent in child. + * + */ + .set vfork,66 +.globl _vfork +.type _vfork,@function + +_vfork: + popl %ecx /* my rta into ecx */ + movl $vfork, %eax + LCALL(7,0) + jb verror +vforkok: + cmpl $0,%edx /* child process? */ + jne child /* yes */ + jmp parent +.globl _errno +verror: +#ifdef PIC + PIC_PROLOGUE + movl PIC_GOT(_errno), %edx + movl %eax,(%edx) + PIC_EPILOGUE +#else + movl %eax,_errno +#endif + movl $-1,%eax + jmp %ecx +child: + movl $0,%eax +parent: + jmp %ecx diff --git a/lib/libc/i386/sys/brk.S b/lib/libc/i386/sys/brk.S new file mode 100644 index 0000000..e884ac2 --- /dev/null +++ b/lib/libc/i386/sys/brk.S @@ -0,0 +1,91 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * $Id: brk.S,v 1.3 1994/02/21 05:13:26 rgrimes Exp $ + */ + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)brk.s 5.2 (Berkeley) 12/17/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" + +#define SYS_brk 17 + + .globl curbrk + .globl minbrk +ENTRY(_brk) + jmp ok + +ENTRY(brk) +#ifdef PIC + movl 4(%esp),%eax + PIC_PROLOGUE + movl PIC_GOT(curbrk),%edx # set up GOT addressing + movl PIC_GOT(minbrk),%ecx # + cmpl %eax,(%ecx) + PIC_EPILOGUE + jl ok + movl (%ecx),%eax + movl %eax,4(%esp) +ok: + lea SYS_brk,%eax + LCALL(7,0) + jb err + movl 4(%esp),%eax + movl %eax,(%edx) + movl $0,%eax + ret +err: + jmp PIC_PLT(cerror) + +#else + + movl 4(%esp),%eax + cmpl %eax,minbrk + jl ok + movl minbrk,%eax + movl %eax,4(%esp) +ok: + lea SYS_brk,%eax + LCALL(7,0) + jb err + movl 4(%esp),%eax + movl %eax,curbrk + movl $0,%eax + ret +err: + jmp cerror +#endif diff --git a/lib/libc/i386/sys/cerror.S b/lib/libc/i386/sys/cerror.S new file mode 100644 index 0000000..27fec0a --- /dev/null +++ b/lib/libc/i386/sys/cerror.S @@ -0,0 +1,56 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * $Id: cerror.S,v 1.2 1994/02/21 05:19:09 rgrimes Exp $ + */ + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)cerror.s 5.1 (Berkeley) 4/23/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" + + .globl _errno +cerror: +#ifdef PIC + PIC_PROLOGUE + movl PIC_GOT(_errno),%ecx + movl %eax,(%ecx) + PIC_EPILOGUE +#else + movl %eax,_errno +#endif + movl $-1,%eax + ret diff --git a/lib/libc/i386/sys/exect.S b/lib/libc/i386/sys/exect.S new file mode 100644 index 0000000..1739760 --- /dev/null +++ b/lib/libc/i386/sys/exect.S @@ -0,0 +1,54 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * $Id: exect.S,v 1.2 1994/02/21 05:19:10 rgrimes Exp $ + */ + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)exect.s 5.1 (Berkeley) 4/23/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" +#include <machine/psl.h> + +ENTRY(exect) + lea SYS_execve,%eax + pushf + popl %edx + orl $ PSL_T,%edx + pushl %edx + popf + LCALL(7,0) + jmp cerror /* exect(file, argv, env); */ diff --git a/lib/libc/i386/sys/fork.S b/lib/libc/i386/sys/fork.S new file mode 100644 index 0000000..15b7c46 --- /dev/null +++ b/lib/libc/i386/sys/fork.S @@ -0,0 +1,50 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * $Id: fork.S,v 1.2 1994/02/21 05:19:11 rgrimes Exp $ + */ + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)fork.s 5.1 (Berkeley) 4/23/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" + +SYSCALL(fork) + cmpl $0,%edx /* parent, since %edx == 0 in parent, 1 in child */ + je 1f + movl $0,%eax +1: + ret /* pid = fork(); */ diff --git a/lib/libc/i386/sys/mount.S b/lib/libc/i386/sys/mount.S new file mode 100644 index 0000000..e0366db --- /dev/null +++ b/lib/libc/i386/sys/mount.S @@ -0,0 +1,47 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * $Id: mount.S,v 1.2 1994/02/21 05:19:12 rgrimes Exp $ + */ + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)mount.s 5.1 (Berkeley) 4/23/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" + +SYSCALL(mount) + movl $0,%eax + ret diff --git a/lib/libc/i386/sys/pipe.S b/lib/libc/i386/sys/pipe.S new file mode 100644 index 0000000..2aeae58 --- /dev/null +++ b/lib/libc/i386/sys/pipe.S @@ -0,0 +1,50 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * $Id: pipe.S,v 1.2 1994/02/21 05:19:13 rgrimes Exp $ + */ + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)pipe.s 5.1 (Berkeley) 4/23/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" + +SYSCALL(pipe) + movl 4(%esp),%ecx + movl %eax,(%ecx) + movl %edx,4(%ecx) + movl $0,%eax + ret diff --git a/lib/libc/i386/sys/ptrace.S b/lib/libc/i386/sys/ptrace.S new file mode 100644 index 0000000..6137098 --- /dev/null +++ b/lib/libc/i386/sys/ptrace.S @@ -0,0 +1,60 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * $Id: ptrace.S,v 1.2 1994/02/21 05:19:14 rgrimes Exp $ + */ + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)ptrace.s 5.1 (Berkeley) 4/23/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" + +ENTRY(ptrace) + xorl %eax,%eax +#ifdef PIC + PIC_PROLOGUE + movl PIC_GOT(_errno),%edx + movl %eax,(%edx) + PIC_EPILOGUE +#else + movl %eax,_errno +#endif + lea SYS_ptrace,%eax + LCALL(7,0) + jb err + ret +err: + jmp cerror diff --git a/lib/libc/i386/sys/reboot.S b/lib/libc/i386/sys/reboot.S new file mode 100644 index 0000000..47e2f0a --- /dev/null +++ b/lib/libc/i386/sys/reboot.S @@ -0,0 +1,46 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * $Id: reboot.S,v 1.2 1994/02/21 05:19:15 rgrimes Exp $ + */ + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)reboot.s 5.1 (Berkeley) 4/23/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" + +SYSCALL(reboot) + iret diff --git a/lib/libc/i386/sys/sbrk.S b/lib/libc/i386/sys/sbrk.S new file mode 100644 index 0000000..fef35cb --- /dev/null +++ b/lib/libc/i386/sys/sbrk.S @@ -0,0 +1,89 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * $Id: sbrk.S,v 1.2 1994/02/21 05:19:16 rgrimes Exp $ + */ + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)sbrk.s 5.1 (Berkeley) 4/23/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" + +#define SYS_brk 17 + + .globl _end + .globl minbrk + .globl curbrk + + .data +minbrk: .long _end +curbrk: .long _end + .text + +ENTRY(sbrk) +#ifdef PIC + movl 4(%esp),%ecx + PIC_PROLOGUE + movl PIC_GOT(curbrk),%edx + movl (%edx),%eax + PIC_EPILOGUE + addl %eax,4(%esp) + lea SYS_brk,%eax + LCALL(7,0) + jb err + PIC_PROLOGUE + movl PIC_GOT(curbrk),%edx + movl (%edx),%eax + addl %ecx,(%edx) + PIC_EPILOGUE + ret +err: + jmp PIC_PLT(cerror) + +#else + + movl 4(%esp),%ecx + movl curbrk,%eax + addl %eax,4(%esp) + lea SYS_brk,%eax + LCALL(7,0) + jb err + movl curbrk,%eax + addl %ecx,curbrk + ret +err: + jmp cerror +#endif diff --git a/lib/libc/i386/sys/setlogin.S b/lib/libc/i386/sys/setlogin.S new file mode 100644 index 0000000..92d761a --- /dev/null +++ b/lib/libc/i386/sys/setlogin.S @@ -0,0 +1,58 @@ +/*- + * Copyright (c) 1991 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * $Id: setlogin.S,v 1.2 1994/02/21 05:19:17 rgrimes Exp $ + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .asciz "@(#)setlogin.s 5.2 (Berkeley) 4/12/91" +#endif /* LIBC_SCCS and not lint */ + +#include "SYS.h" + +.globl __logname_valid /* in getlogin() */ + +SYSCALL(setlogin) +#ifdef PIC + PIC_PROLOGUE + pushl %eax + movl PIC_GOT(__logname_valid),%eax + movl $0,(%eax) + popl %eax + PIC_EPILOGUE +#else + movl $0,__logname_valid +#endif + ret /* setlogin(name) */ diff --git a/lib/libc/i386/sys/sigpending.S b/lib/libc/i386/sys/sigpending.S new file mode 100644 index 0000000..4318b6d --- /dev/null +++ b/lib/libc/i386/sys/sigpending.S @@ -0,0 +1,49 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * $Id: sigpending.S,v 1.2 1994/02/21 05:19:19 rgrimes Exp $ + */ + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)sigpending.s 5.1 (Berkeley) 7/1/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" + +SYSCALL(sigpending) + movl 4(%esp),%ecx # fetch pointer to... + movl %eax,(%ecx) # store old mask + xorl %eax,%eax + ret diff --git a/lib/libc/i386/sys/sigprocmask.S b/lib/libc/i386/sys/sigprocmask.S new file mode 100644 index 0000000..ce929a0 --- /dev/null +++ b/lib/libc/i386/sys/sigprocmask.S @@ -0,0 +1,66 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * $Id: sigprocmask.S,v 1.2 1994/02/21 05:19:20 rgrimes Exp $ + */ + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)sigprocmask.s 5.2 (Berkeley) 12/17/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" + +err: + jmp cerror + +ENTRY(sigprocmask) + movl 8(%esp),%ecx # fetch new sigset pointer + cmpl $0,%ecx # check new sigset pointer + jne 1f # if not null, indirect +/* movl $0,8(%esp) # null mask pointer: block empty set */ + movl $1,4(%esp) # SIG_BLOCK + jmp 2f +1: movl (%ecx),%ecx # fetch indirect ... + movl %ecx,8(%esp) # to new mask arg +2: movl $ SYS_sigprocmask , %eax + LCALL(0x7,0) + jb err + movl 12(%esp),%ecx # fetch old mask requested + cmpl $0,%ecx # test if old mask requested + je out + movl %eax,(%ecx) # store old mask +out: + xorl %eax,%eax + ret diff --git a/lib/libc/i386/sys/sigreturn.S b/lib/libc/i386/sys/sigreturn.S new file mode 100644 index 0000000..b98c950 --- /dev/null +++ b/lib/libc/i386/sys/sigreturn.S @@ -0,0 +1,56 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * $Id: sigreturn.S,v 1.2 1994/02/21 05:19:21 rgrimes Exp $ + */ + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)sigreturn.s 5.2 (Berkeley) 12/17/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" + +/* + * We must preserve the state of the registers as the user has set them up. + */ +#ifdef PROF +#undef ENTRY +#define ENTRY(x) \ + .globl _/**/x; .align 2; _/**/x: pusha ; \ + .data; 1:; .long 0; .text; movl $1b,%eax; call mcount; popa ; nop +#endif /* PROF */ + +SYSCALL(sigreturn) + ret diff --git a/lib/libc/i386/sys/sigsuspend.S b/lib/libc/i386/sys/sigsuspend.S new file mode 100644 index 0000000..1db4c1a --- /dev/null +++ b/lib/libc/i386/sys/sigsuspend.S @@ -0,0 +1,54 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)sigsuspend.s 5.2 (Berkeley) 12/17/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" + +err: + jmp cerror + +ENTRY(sigsuspend) + movl 4(%esp),%eax # fetch mask arg + movl (%eax),%eax # indirect to mask arg + movl %eax,4(%esp) + movl $ SYS_sigsuspend ,%eax + LCALL(0x7,0) + jb err + xorl %eax,%eax # shouldn t happen + ret diff --git a/lib/libc/i386/sys/syscall.S b/lib/libc/i386/sys/syscall.S new file mode 100644 index 0000000..37d1804 --- /dev/null +++ b/lib/libc/i386/sys/syscall.S @@ -0,0 +1,55 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. 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. + * + * $Id: syscall.S,v 1.2 1994/02/21 05:19:22 rgrimes Exp $ + */ + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)syscall.s 5.1 (Berkeley) 4/23/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" + +ENTRY(syscall) + pop %ecx /* rta */ + pop %eax /* syscall number */ + push %ecx + LCALL(7,0) + push %ecx /* need to push a word to keep stack frame intact + upon return; the word must be the return address. */ + jb 1f + ret +1: + jmp cerror |
