| asmacros.h (22636) | asmacros.h (22808) |
|---|---|
| 1/*- 2 * Copyright (c) 1993 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * | 1/*- 2 * Copyright (c) 1993 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * |
| 33 * $FreeBSD: head/sys/i386/include/asmacros.h 22636 1997-02-13 08:31:53Z bde $ | 33 * $FreeBSD: head/sys/i386/include/asmacros.h 22808 1997-02-16 18:26:31Z bde $ |
| 34 */ 35 36#ifndef _MACHINE_ASMACROS_H_ 37#define _MACHINE_ASMACROS_H_ 38 39#ifdef KERNEL 40#include <sys/cdefs.h> 41 --- 80 unchanged lines hidden (view full) --- 122#define MCOUNT_LABEL(name) 123#define MEXITCOUNT 124#endif /* GPROF */ 125 126#else /* !KERNEL */ 127 128#include "/usr/src/lib/libc/i386/DEFS.h" /* XXX blech */ 129 | 34 */ 35 36#ifndef _MACHINE_ASMACROS_H_ 37#define _MACHINE_ASMACROS_H_ 38 39#ifdef KERNEL 40#include <sys/cdefs.h> 41 --- 80 unchanged lines hidden (view full) --- 122#define MCOUNT_LABEL(name) 123#define MEXITCOUNT 124#endif /* GPROF */ 125 126#else /* !KERNEL */ 127 128#include "/usr/src/lib/libc/i386/DEFS.h" /* XXX blech */ 129 |
| 130/* 131 * In the !KERNEL case, this header is only (ab)used in lib/msun/i387. 132 * Use it to generate code to select between the generic math functions 133 * and the i387 ones. 134 */ 135#undef ENTRY 136#define ANAME(x) CNAME(__CONCAT(__i387_,x)) 137#define ASELNAME(x) CNAME(__CONCAT(__arch_select_,x)) 138#define AVECNAME(x) CNAME(__CONCAT(__arch_,x)) 139#define GNAME(x) CNAME(__CONCAT(__generic_,x)) 140 141/* Don't bother profiling this. */ 142#ifdef PIC 143#define ARCH_DISPATCH(x) \ 144 START_ENTRY; \ 145 .globl CNAME(x); .type CNAME(x),@function; CNAME(x): ; \ 146 PIC_PROLOGUE; \ 147 movl PIC_GOT(AVECNAME(x)),%eax; \ 148 PIC_EPILOGUE; \ 149 jmpl *(%eax) 150 151#define ARCH_SELECT(x) START_ENTRY; \ 152 .type ASELNAME(x),@function; \ 153 ASELNAME(x): \ 154 PIC_PROLOGUE; \ 155 call PIC_PLT(CNAME(__get_hw_float)); \ 156 testl %eax,%eax; \ 157 movl PIC_GOT(ANAME(x)),%eax; \ 158 jne 8f; \ 159 movl PIC_GOT(GNAME(x)),%eax; \ 160 8: \ 161 movl PIC_GOT(AVECNAME(x)),%edx; \ 162 movl %eax,(%edx); \ 163 PIC_EPILOGUE; \ 164 jmpl *%eax 165#else /* !PIC */ 166#define ARCH_DISPATCH(x) \ 167 START_ENTRY; \ 168 .globl CNAME(x); .type CNAME(x),@function; CNAME(x): ; \ 169 jmpl *AVECNAME(x) 170 171#define ARCH_SELECT(x) START_ENTRY; \ 172 .type ASELNAME(x),@function; \ 173 ASELNAME(x): \ 174 call CNAME(__get_hw_float); \ 175 testl %eax,%eax; \ 176 movl $ANAME(x),%eax; \ 177 jne 8f; \ 178 movl $GNAME(x),%eax; \ 179 8: \ 180 movl %eax,AVECNAME(x); \ 181 jmpl *%eax 182#endif /* PIC */ 183 184#define ARCH_VECTOR(x) .data; .align 2; \ 185 .globl AVECNAME(x); \ 186 .type AVECNAME(x),@object; \ 187 .size AVECNAME(x),4; \ 188 AVECNAME(x): .long ASELNAME(x) 189 190#ifdef PROF 191 192#define ALTENTRY(x) ENTRY(x); jmp 9f 193#define ENTRY(x) ARCH_VECTOR(x); ARCH_SELECT(x); ARCH_DISPATCH(x); \ 194 START_ENTRY; \ 195 .globl ANAME(x); .type ANAME(x),@function; ANAME(x):; \ 196 call HIDENAME(mcount); 9: 197 198#else /* !PROF */ 199 200#define ALTENTRY(x) ENTRY(x) 201#define ENTRY(x) ARCH_VECTOR(x); ARCH_SELECT(x); ARCH_DISPATCH(x); \ 202 START_ENTRY; \ 203 .globl ANAME(x); .type ANAME(x),@function; ANAME(x): 204 205#endif /* PROF */ 206 |
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| 130#ifndef RCSID 131#define RCSID(a) 132#endif 133 134#endif /* KERNEL */ 135 136#endif /* !_MACHINE_ASMACROS_H_ */ | 207#ifndef RCSID 208#define RCSID(a) 209#endif 210 211#endif /* KERNEL */ 212 213#endif /* !_MACHINE_ASMACROS_H_ */ |