2fe8fb192f
There is important information about booting non-ack images in docs/UPDATING. ack/aout-format images can't be built any more, and booting clang/ELF-format ones is a little different. Updating to the new boot monitor is recommended. Changes in this commit: . drop boot monitor -> allowing dropping ack support . facility to copy ELF boot files to /boot so that old boot monitor can still boot fairly easily, see UPDATING . no more ack-format libraries -> single-case libraries . some cleanup of OBJECT_FMT, COMPILER_TYPE, etc cases . drop several ack toolchain commands, but not all support commands (e.g. aal is gone but acksize is not yet). . a few libc files moved to netbsd libc dir . new /bin/date as minix date used code in libc/ . test compile fix . harmonize includes . /usr/lib is no longer special: without ack, /usr/lib plays no kind of special bootstrapping role any more and bootstrapping is done exclusively through packages, so releases depend even less on the state of the machine making them now. . rename nbsd_lib* to lib* . reduce mtree
95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
/* $NetBSD: strtopxL.c,v 1.4 2008/03/21 23:13:48 christos Exp $ */
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/****************************************************************
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The author of this software is David M. Gay.
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Copyright (C) 1998, 2000 by Lucent Technologies
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and
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its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of Lucent or any of its entities
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not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior
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permission.
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LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
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IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
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SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
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IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
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THIS SOFTWARE.
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****************************************************************/
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/* Please send bug reports to David M. Gay (dmg at acm dot org,
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* with " at " changed at "@" and " dot " changed to "."). */
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#include "gdtoaimp.h"
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#undef _0
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#undef _1
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/* one or the other of IEEE_BIG_ENDIAN or IEEE_LITTLE_ENDIAN should be #defined */
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#ifdef IEEE_BIG_ENDIAN
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#define _0 0
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#define _1 1
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#define _2 2
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#endif
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#ifdef IEEE_LITTLE_ENDIAN
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#define _0 2
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#define _1 1
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#define _2 0
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#endif
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int
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#ifdef KR_headers
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strtopxL(s, sp, V) CONST char *s; char **sp; void *V;
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#else
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strtopxL(CONST char *s, char **sp, void *V)
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#endif
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{
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static CONST FPI fpi = { 64, 1-16383-64+1, 32766 - 16383 - 64 + 1, 1, SI };
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ULong bits[2];
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Long expt;
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int k;
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ULong *L = (ULong*)V;
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k = strtodg(s, sp, &fpi, &expt, bits);
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if (k == STRTOG_NoMemory)
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return k;
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switch(k & STRTOG_Retmask) {
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case STRTOG_NoNumber:
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case STRTOG_Zero:
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L[0] = L[1] = L[2] = 0;
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break;
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case STRTOG_Normal:
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case STRTOG_Denormal:
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case STRTOG_NaNbits:
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L[_2] = bits[0];
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L[_1] = bits[1];
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L[_0] = (expt + 0x3fff + 63) << 16;
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break;
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case STRTOG_Infinite:
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L[_0] = 0x7fff << 16;
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L[_1] = L[_2] = 0;
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break;
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case STRTOG_NaN:
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L[0] = ld_QNAN0;
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L[1] = ld_QNAN1;
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L[2] = ld_QNAN2;
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}
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if (k & STRTOG_Neg)
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L[_0] |= 0x80000000L;
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return k;
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}
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