diff options
Diffstat (limited to 'lib/libc/i386')
56 files changed, 3604 insertions, 0 deletions
diff --git a/lib/libc/i386/DEFS.h b/lib/libc/i386/DEFS.h new file mode 100644 index 000000000000..a07b090d90f0 --- /dev/null +++ b/lib/libc/i386/DEFS.h @@ -0,0 +1,62 @@ +/*- + * 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: @(#)DEFS.h 5.1 (Berkeley) 4/23/90 + * + * $Id: DEFS.h,v 1.2 1993/10/09 08:30:43 davidg Exp $ + */ + +#ifdef PROF +#define ALTENTRY(x) .align 2,0x90; .globl _/**/x; _/**/x:; \ + .data; .align 2; 1:; .long 0; \ + .text; lea 1b,%eax; call mcount; jmp 2f + +#define ENTRY(x) .align 2,0x90; .globl _/**/x; _/**/x:; \ + .data; .align 2; 1:; .long 0; \ + .text; lea 1b,%eax ; call mcount; 2: + +#define ALTASENTRY(x) .align 2,0x90; .globl x; x:; \ + .data; .align 2; 1:; .long 0; \ + .text; lea 1b,%eax; call mcount; jmp 2f + +#define ASENTRY(x) .align 2,0x90; .globl x; x:; \ + .data; .align 2; 1:; .long 0; \ + .text; lea 1b,%eax; call mcount; 2: +#else +#define ALTENTRY(x) .align 2,0x90; .globl _/**/x; _/**/x: +#define ENTRY(x) .align 2,0x90; .globl _/**/x; _/**/x: +#define ALTASENTRY(x) .align 2,0x90; .globl x; x: +#define ASENTRY(x) .align 2,0x90; .globl x; x: +#endif diff --git a/lib/libc/i386/SYS.h b/lib/libc/i386/SYS.h new file mode 100644 index 000000000000..1c7f3994049f --- /dev/null +++ b/lib/libc/i386/SYS.h @@ -0,0 +1,59 @@ +/*- + * 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: @(#)SYS.h 5.5 (Berkeley) 5/7/91 + * + * $Id: SYS.h,v 1.2 1993/10/09 08:30:48 davidg Exp $ + */ + +#include <syscall.h> + +#ifdef PROF +#define ENTRY(x) .globl _/**/x; \ + .data; 1:; .long 0; .text; .align 2,0x90; _/**/x: \ + movl $1b,%eax; call mcount +#else +#define ENTRY(x) .globl _/**/x; .text; .align 2,0x90; _/**/x: +#endif PROF +#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 +#define CALL(x,y) call _/**/y; addl $4*x,%esp +/* gas fucks up offset -- although we don't currently need it, do for BCS */ +#define LCALL(x,y) .byte 0x9a ; .long y; .word x + +#define ASMSTR .asciz + + .globl cerror diff --git a/lib/libc/i386/gen/_setjmp.s b/lib/libc/i386/gen/_setjmp.s new file mode 100644 index 000000000000..7aa3e69f84fb --- /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 000000000000..65378f5ff22b --- /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 000000000000..a3731eca0247 --- /dev/null +++ b/lib/libc/i386/gen/divsi3.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 "@(#)divsi3.s 5.1 (Berkeley) 5/15/90" +#endif /* LIBC_SCCS and not lint */ + + .globl ___divsi3 +___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 000000000000..2519e8b8abcf --- /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 000000000000..a264e83a37f2 --- /dev/null +++ b/lib/libc/i386/gen/fixdfsi.s @@ -0,0 +1,19 @@ + .file "__fixdfsi.s" +.text + .align 2 +.globl ___fixdfsi +___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 000000000000..9f31df35d290 --- /dev/null +++ b/lib/libc/i386/gen/fixunsdfsi.s @@ -0,0 +1,50 @@ + .file "__fixdfsi.s" +.text + .align 2 +.globl ___fixunsdfsi +___fixunsdfsi: + 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) + + fcoml fbiggestsigned /* bigger than biggest signed? */ + fstsw %ax + sahf + jnb 1f + + fistpl -12(%ebp) + movl -12(%ebp),%eax + jmp 2f + +1: fsubl fbiggestsigned /* reduce for proper conversion */ + fistpl -12(%ebp) /* convert */ + movl -12(%ebp),%eax + orl $0x80000000,%eax /* restore bias */ + +2: fldcw -4(%ebp) + leave + ret + + fcoml fbiggestsigned /* bigger than biggest signed? */ + fstsw %ax + sahf + jnb 1f + + fistpl 4(%esp) + movl 4(%esp),%eax + ret + +1: fsubl fbiggestsigned /* reduce for proper conversion */ + fistpl 4(%esp) /* convert */ + movl 4(%esp),%eax + orl $0x80000000,%eax /* restore bias */ + ret + + .data +fbiggestsigned: .double 0r2147483648.0 diff --git a/lib/libc/i386/gen/frexp.c b/lib/libc/i386/gen/frexp.c new file mode 100644 index 000000000000..d671498cf00a --- /dev/null +++ b/lib/libc/i386/gen/frexp.c @@ -0,0 +1,65 @@ +/*- + * Copyright (c) 1991 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)frexp.c 5.1 (Berkeley) 3/7/91"; +#endif /* LIBC_SCCS and not lint */ + +#include <sys/types.h> +#include <math.h> + +double +frexp(value, eptr) + double value; + int *eptr; +{ + union { + double v; + struct { + u_int u_mant2 : 32; + u_int u_mant1 : 20; + u_int u_exp : 11; + u_int u_sign : 1; + } s; + } u; + + if (value) { + u.v = value; + *eptr = u.s.u_exp - 1022; + u.s.u_exp = 1022; + return(u.v); + } else { + *eptr = 0; + return((double)0); + } +} diff --git a/lib/libc/i386/gen/isinf.c b/lib/libc/i386/gen/isinf.c new file mode 100644 index 000000000000..02f70ab8e890 --- /dev/null +++ b/lib/libc/i386/gen/isinf.c @@ -0,0 +1,64 @@ +/*- + * Copyright (c) 1991 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)isinf.c 5.1 (Berkeley) 3/18/91"; +#endif /* LIBC_SCCS and not lint */ + +#include <sys/types.h> + +isnan(d) + double d; +{ + register struct IEEEdp { + u_int manl : 32; + u_int manh : 20; + u_int exp : 11; + u_int sign : 1; + } *p = (struct IEEEdp *)&d; + + return(p->exp == 2047 && (p->manh || p->manl)); +} + +isinf(d) + double d; +{ + register struct IEEEdp { + u_int manl : 32; + u_int manh : 20; + u_int exp : 11; + u_int sign : 1; + } *p = (struct IEEEdp *)&d; + + return(p->exp == 2047 && !p->manh && !p->manl); +} diff --git a/lib/libc/i386/gen/ldexp.c b/lib/libc/i386/gen/ldexp.c new file mode 100644 index 000000000000..f54b4392cd74 --- /dev/null +++ b/lib/libc/i386/gen/ldexp.c @@ -0,0 +1,72 @@ +/*- + * 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) +static char sccsid[] = "@(#)ldexp.c 5.1 (Berkeley) 4/23/90"; +#endif /* LIBC_SCCS and not lint */ + +/* + * ldexp(value, exp): return value * (2 ** exp). + * + * Written by Sean Eric Fagan (sef@kithrup.COM) + * Sun Mar 11 20:27:09 PST 1990 + */ + +/* + * We do the conversion in C to let gcc optimize it away, if possible. + * The "fxch ; fstp" stuff is because value is still on the stack + * (stupid 8087!). + */ +double +ldexp (double value, int exp) +{ + double temp, texp, temp2; + texp = exp; +#ifdef __GNUC__ +#if __GNUC__ >= 2 + asm ("fscale " + : "=u" (temp2), "=t" (temp) + : "0" (texp), "1" (value)); +#else + asm ("fscale ; fxch %%st(1) ; fstp%L1 %1 " + : "=f" (temp), "=0" (temp2) + : "0" (texp), "f" (value)); +#endif +#else +error unknown asm +#endif + return (temp); +} diff --git a/lib/libc/i386/gen/modf.s b/lib/libc/i386/gen/modf.s new file mode 100644 index 000000000000..978782a50d03 --- /dev/null +++ b/lib/libc/i386/gen/modf.s @@ -0,0 +1,75 @@ +/*- + * 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 +_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 000000000000..5482caa24541 --- /dev/null +++ b/lib/libc/i386/gen/setjmp.s @@ -0,0 +1,90 @@ +/*- + * 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" + +ENTRY(setjmp) + pushl $0 + call _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 _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 000000000000..a2f8d4269214 --- /dev/null +++ b/lib/libc/i386/gen/sigsetjmp.s @@ -0,0 +1,88 @@ +/*- + * 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 1.2 1993/10/20 17:37:41 jtc Exp $ + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .text + .asciz "$Id: sigsetjmp.s,v 1.2 1993/10/20 17:37:41 jtc Exp $" +#endif /* LIBC_SCCS and not lint */ + +#include "DEFS.h" + +ENTRY(sigsetjmp) + movl 8(%esp),%eax + movl 4(%esp),%ecx + movl %eax,24(%ecx) + testl %eax,%eax + jz 1f + pushl $0 + call _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 _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 000000000000..da395d34490e --- /dev/null +++ b/lib/libc/i386/gen/udivsi3.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 "@(#)udivsi3.s 5.1 (Berkeley) 5/15/90" +#endif /* LIBC_SCCS and not lint */ + + .globl ___udivsi3 +___udivsi3: + movl 4(%esp),%eax + xorl %edx,%edx + divl 8(%esp) + ret diff --git a/lib/libc/i386/net/htonl.s b/lib/libc/i386/net/htonl.s new file mode 100644 index 000000000000..a65e3f086412 --- /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 000000000000..6b3fbb05a6e5 --- /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 000000000000..5748f9ec8e97 --- /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 000000000000..084c8620bd87 --- /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/abs.s b/lib/libc/i386/stdlib/abs.s new file mode 100644 index 000000000000..3122fcb84f6f --- /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 000000000000..9b90e768de2d --- /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 1993/10/08 20:13:38 jtc Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .text + .asciz "$Id: div.s,v 1.1 1993/10/08 20:13:38 jtc 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 000000000000..b7a1c5dceebb --- /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 000000000000..f203b41a1787 --- /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 1993/10/08 20:13:41 jtc Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .text + .asciz "$Id: ldiv.s,v 1.1 1993/10/08 20:13:41 jtc 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/bcmp.s b/lib/libc/i386/string/bcmp.s new file mode 100644 index 000000000000..4bf83346b46c --- /dev/null +++ b/lib/libc/i386/string/bcmp.s @@ -0,0 +1,70 @@ +/* + * 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: bcmp.s,v 1.2 1993/10/09 08:31:09 davidg Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: bcmp.s,v 1.2 1993/10/09 08:31:09 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 + movl 20(%esp),%edx + xorl %eax,%eax /* clear return value */ + cld /* set compare direction forward */ + + movl %edx,%ecx /* compare by words */ + shrl $2,%ecx + repe + cmpsl + jne L1 + + movl %edx,%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 000000000000..7958d3f40972 --- /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 1.3 1993/10/09 08:31:14 davidg Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: bcopy.s,v 1.3 1993/10/09 08:31:14 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 + */ + +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 000000000000..9349954fe80c --- /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 1.2 1993/08/16 18:40:26 jtc Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: bzero.s,v 1.2 1993/08/16 18:40:26 jtc 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 000000000000..5be6f3b988d6 --- /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 1993/08/16 18:40:28 jtc Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: ffs.s,v 1.1 1993/08/16 18:40:28 jtc 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 000000000000..8fb3ec016d1d --- /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 1993/08/16 18:40:30 jtc Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: index.s,v 1.1 1993/08/16 18:40:30 jtc 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 000000000000..6b519d9033fd --- /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 1993/08/16 18:40:32 jtc Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: memchr.s,v 1.1 1993/08/16 18:40:32 jtc 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 000000000000..8e285651e4af --- /dev/null +++ b/lib/libc/i386/string/memcmp.s @@ -0,0 +1,81 @@ +/* + * 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: memcmp.s,v 1.2 1993/10/09 08:31:18 davidg Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: memcmp.s,v 1.2 1993/10/09 08:31:18 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 + movl 20(%esp),%edx + cld /* set compare direction forward */ + + movl %edx,%ecx /* compare by words */ + shrl $2,%ecx + repe + cmpsl + jne L5 /* do we match so far? */ + + movl %edx,%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: movsbl -1(%edi),%eax /* Perform unsigned comparison */ + movsbl -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 000000000000..8ca0e300d262 --- /dev/null +++ b/lib/libc/i386/string/memmove.s @@ -0,0 +1,90 @@ +/*- + * 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 1993/10/09 08:31:22 davidg Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: memmove.s,v 1.2 1993/10/09 08:31:22 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 + pushl %edi + movl 20(%esp),%esi + movl 24(%esp),%ecx + cmpl %esi,%edi /* potentially overlapping? */ + jnb 1f + cld /* nope, copy forwards. */ + shrl $2,%ecx /* copy by words */ + rep + movsl + movl 24(%esp),%ecx + andl $3,%ecx /* any bytes left? */ + rep + movsb + popl %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 24(%esp),%ecx /* copy remainder by words */ + shrl $2,%ecx + subl $3,%esi + subl $3,%edi + rep + movsl + popl %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 000000000000..8c1a8c8b722d --- /dev/null +++ b/lib/libc/i386/string/memset.s @@ -0,0 +1,96 @@ +/* + * 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: memset.s,v 1.1 1993/08/16 18:40:38 jtc Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: memset.s,v 1.1 1993/08/16 18:40:38 jtc 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 + + movl %eax,%edx /* copy value to all bytes in word */ + sall $8,%edx /* XXX is there a better way? */ + orl %edx,%eax + movl %eax,%edx + sall $16,%edx + 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 000000000000..4fe028c36f2f --- /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 1993/08/16 18:40:39 jtc Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: rindex.s,v 1.1 1993/08/16 18:40:39 jtc 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 000000000000..0e4a3e27adf4 --- /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 1993/08/16 18:40:41 jtc Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: strcat.s,v 1.1 1993/08/16 18:40:41 jtc 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 000000000000..aa35dfb4c50a --- /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 1993/08/16 18:40:42 jtc Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: strchr.s,v 1.1 1993/08/16 18:40:42 jtc 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 000000000000..8050234aaca4 --- /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 1993/10/08 20:42:24 jtc Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: strcmp.s,v 1.2 1993/10/08 20:42:24 jtc 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: movsbl (%eax),%eax /* unsigned comparison */ + movsbl (%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 000000000000..6f2596a4d593 --- /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 1993/08/16 18:40:44 jtc Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: strcpy.s,v 1.1 1993/08/16 18:40:44 jtc 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 000000000000..877ab6440934 --- /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 1.2 1993/10/09 08:31:25 davidg Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: strlen.s,v 1.2 1993/10/09 08:31:25 davidg 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 000000000000..ada9a80cbc13 --- /dev/null +++ b/lib/libc/i386/string/strncmp.s @@ -0,0 +1,156 @@ +/* + * 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: strncmp.s,v 1.2 1993/10/08 20:42:25 jtc Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: strncmp.s,v 1.2 1993/10/08 20:42:25 jtc 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 + * cashe. + */ + +ENTRY(strncmp) + pushl %ebx + movl 8(%esp),%eax + movl 12(%esp),%ecx + movl 16(%esp),%edx + jmp L2 /* Jump into the loop! */ + + .align 2,0x90 +L1: incl %eax + incl %ecx + decl %edx +L2: testl %edx,%edx /* Have we compared n chars yet? */ + jle L4 /* Yes, strings are equal */ + movb (%eax),%bl + testb %bl,%bl + je L3 + cmpb %bl,(%ecx) + jne L3 + incl %eax + incl %ecx + decl %edx + testl %edx,%edx + jle L4 + movb (%eax),%bl + testb %bl,%bl + je L3 + cmpb %bl,(%ecx) + jne L3 + incl %eax + incl %ecx + decl %edx + testl %edx,%edx + jle L4 + movb (%eax),%bl + testb %bl,%bl + je L3 + cmpb %bl,(%ecx) + jne L3 + incl %eax + incl %ecx + decl %edx + testl %edx,%edx + jle L4 + movb (%eax),%bl + testb %bl,%bl + je L3 + cmpb %bl,(%ecx) + jne L3 + incl %eax + incl %ecx + decl %edx + testl %edx,%edx + jle L4 + movb (%eax),%bl + testb %bl,%bl + je L3 + cmpb %bl,(%ecx) + jne L3 + incl %eax + incl %ecx + decl %edx + testl %edx,%edx + jle L4 + movb (%eax),%bl + testb %bl,%bl + je L3 + cmpb %bl,(%ecx) + jne L3 + incl %eax + incl %ecx + decl %edx + testl %edx,%edx + jle L4 + movb (%eax),%bl + testb %bl,%bl + je L3 + cmpb %bl,(%ecx) + jne L3 + incl %eax + incl %ecx + decl %edx + testl %edx,%edx + jle L4 + movb (%eax),%bl + testb %bl,%bl + je L3 + cmpb %bl,(%ecx) + je L1 + .align 2,0x90 +L3: movsbl (%eax),%eax /* unsigned comparision */ + movsbl (%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 000000000000..c3728602e7b7 --- /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 1993/08/16 18:40:50 jtc Exp $ + */ + +#if defined(LIBC_RCS) && !defined(lint) + .asciz "$Id: strrchr.s,v 1.1 1993/08/16 18:40:50 jtc 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 000000000000..bb44ee899eb3 --- /dev/null +++ b/lib/libc/i386/sys/Ovfork.s @@ -0,0 +1,70 @@ +/*- + * 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 "@(#)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 + +_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: + movl %eax,_errno + 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 000000000000..ce4717409f84 --- /dev/null +++ b/lib/libc/i386/sys/brk.s @@ -0,0 +1,65 @@ +/*- + * 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 "@(#)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) + 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 diff --git a/lib/libc/i386/sys/cerror.s b/lib/libc/i386/sys/cerror.s new file mode 100644 index 000000000000..6021fe2dd0f2 --- /dev/null +++ b/lib/libc/i386/sys/cerror.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(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: + movl %eax,_errno + 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 000000000000..3a17aacbbe2d --- /dev/null +++ b/lib/libc/i386/sys/exect.s @@ -0,0 +1,52 @@ +/*- + * 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 "@(#)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 000000000000..0bfa6627edfe --- /dev/null +++ b/lib/libc/i386/sys/fork.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(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 000000000000..2a719f9a9fbb --- /dev/null +++ b/lib/libc/i386/sys/mount.s @@ -0,0 +1,45 @@ +/*- + * 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 "@(#)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 000000000000..60d6cd402cad --- /dev/null +++ b/lib/libc/i386/sys/pipe.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(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 000000000000..703c4249f7c8 --- /dev/null +++ b/lib/libc/i386/sys/ptrace.s @@ -0,0 +1,51 @@ +/*- + * 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 "@(#)ptrace.s 5.1 (Berkeley) 4/23/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include "SYS.h" + +ENTRY(ptrace) + xorl %eax,%eax + movl %eax,_errno + 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 000000000000..74c3633d2e1a --- /dev/null +++ b/lib/libc/i386/sys/reboot.s @@ -0,0 +1,44 @@ +/*- + * 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 "@(#)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 000000000000..ccafa2936acc --- /dev/null +++ b/lib/libc/i386/sys/sbrk.s @@ -0,0 +1,65 @@ +/*- + * 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 "@(#)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) + 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 diff --git a/lib/libc/i386/sys/setlogin.s b/lib/libc/i386/sys/setlogin.s new file mode 100644 index 000000000000..227e40382889 --- /dev/null +++ b/lib/libc/i386/sys/setlogin.s @@ -0,0 +1,47 @@ +/*- + * 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. + */ + +#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) + movl $0,__logname_valid + ret /* setlogin(name) */ diff --git a/lib/libc/i386/sys/sigpending.s b/lib/libc/i386/sys/sigpending.s new file mode 100644 index 000000000000..a0b643536f86 --- /dev/null +++ b/lib/libc/i386/sys/sigpending.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(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 000000000000..2872c1faef11 --- /dev/null +++ b/lib/libc/i386/sys/sigprocmask.s @@ -0,0 +1,64 @@ +/*- + * 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 "@(#)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 000000000000..f64d5e6e6da9 --- /dev/null +++ b/lib/libc/i386/sys/sigreturn.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 "@(#)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 000000000000..1db4c1a3543c --- /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 000000000000..32274930a022 --- /dev/null +++ b/lib/libc/i386/sys/syscall.s @@ -0,0 +1,53 @@ +/*- + * 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 "@(#)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 |