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Wed Feb 22 00:44:41 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/mach/hurd/i386/sigreturn.c: Restore the FPU state. * stdlib/random.c (__srandom): Change algorithm used to populate the state array. (randtbl): Recomputed with new algorithm.
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Roland McGrath
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23ad311df0
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50843ff068
@ -1,5 +1,13 @@
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Wed Feb 22 00:44:41 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
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* sysdeps/mach/hurd/i386/sigreturn.c: Restore the FPU state.
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Tue Feb 21 21:53:30 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
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* stdlib/random.c (__srandom): Change algorithm used to populate
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the state array.
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(randtbl): Recomputed with new algorithm.
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* sysdeps/sparc/Makefile [subdir=crypt] (crypt): Reset only if set
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to original value of `crypt'.
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* sysdeps/unix/sysv/sysv4/solaris2/sparc/Makefile [subdir=crypt]
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@ -122,12 +122,14 @@ static int seps[MAX_TYPES] = { SEP_0, SEP_1, SEP_2, SEP_3, SEP_4 };
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static long int randtbl[DEG_3 + 1] =
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{
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TYPE_3,
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-851904987, -43806228, -2029755270, 1390239686, -1912102820,
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-485608943, 1969813258, -1590463333, -1944053249, 455935928, 508023712,
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-1714531963, 1800685987, -2015299881, 654595283, -1149023258,
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-1470005550, -1143256056, -1325577603, -1568001885, 1275120390,
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-607508183, -205999574, -1696891592, 1492211999, -1528267240,
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-952028296, -189082757, 362343714, 1424981831, 2039449641,
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-1726662223, 379960547, 1735697613, 1040273694, 1313901226,
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1627687941, -179304937, -2073333483, 1780058412, -1989503057,
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-615974602, 344556628, 939512070, -1249116260, 1507946756,
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-812545463, 154635395, 1388815473, -1926676823, 525320961,
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-1009028674, 968117788, -123449607, 1284210865, 435012392,
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-2017506339, -911064859, -370259173, 1132637927, 1398500161,
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-205601318,
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};
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/* FPTR and RPTR are two pointers into the state info, a front and a rear
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@ -179,11 +181,19 @@ DEFUN(__srandom, (x), unsigned int x)
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{
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register long int i;
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for (i = 1; i < rand_deg; ++i)
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state[i] = (1103515145 * state[i - 1]) + 12345;
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{
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/* This does:
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state[i] = (16807 * state[i - 1]) % 2147483647;
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but avoids overflowing 31 bits. */
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long int hi = state[i - 1] / 127773;
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long int lo = state[i - 1] % 127773;
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long int test = 16807 * lo - 2836 * hi;
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state[i] = test + (test < 0 ? 2147483647 : 0);
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}
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fptr = &state[rand_sep];
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rptr = &state[0];
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for (i = 0; i < 10 * rand_deg; ++i)
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(void) __random();
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(void) __random ();
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}
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}
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@ -1,5 +1,5 @@
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/* Convert between signal names and numbers.
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Copyright (C) 1990, 1992, 1993 Free Software Foundation, Inc.
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Copyright (C) 1990, 1992, 1993, 1995 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -273,3 +273,20 @@ psignal (signal, message)
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fprintf (stderr, "%s: %s\n", message, sys_siglist[signal]);
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}
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#endif
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#ifndef HAVE_STRSIGNAL
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/* Return the string associated with the signal number. */
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char *
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strsignal (signal)
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int signal;
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{
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static char buf[] = "Signal 12345678901234567890";
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if (signal > 0 || signal < NSIG)
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return sys_siglist[signal];
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sprintf (buf, "Signal %d", signal);
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return buf;
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}
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#endif
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@ -1,5 +1,5 @@
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/* Convert between signal names and numbers.
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Copyright (C) 1990, 1992, 1993 Free Software Foundation, Inc.
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Copyright (C) 1990, 1992, 1993, 1995 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -29,7 +29,7 @@ char *sig_abbrev (int number);
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signal by that name. */
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int sig_number (const char *abbrev);
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/* Avoid conflicts with a system header file that might define these two. */
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/* Avoid conflicts with a system header file that might define these three. */
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#ifndef HAVE_PSIGNAL
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/* Print to standard error the name of SIGNAL, preceded by MESSAGE and
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@ -37,6 +37,11 @@ int sig_number (const char *abbrev);
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void psignal (int signal, const char *message);
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#endif
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#ifndef HAVE_STRSIGNAL
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/* Return the name of SIGNAL. */
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char *strsignal (int signal);
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#endif
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#if !defined (HAVE_SYS_SIGLIST)
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/* Names for signals from 0 to NSIG-1. */
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extern const char *sys_siglist[];
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@ -50,6 +55,9 @@ int sig_number ();
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#if !defined (HAVE_SYS_SIGLIST) && !defined (HAVE_PSIGNAL)
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void psignal ();
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#endif
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#ifndef HAVE_STRSIGNAL
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char *strsignal (int signal);
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#endif
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#if !defined (HAVE_SYS_SIGLIST)
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extern char *sys_siglist[];
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#endif
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@ -80,10 +80,9 @@ __sigreturn (struct sigcontext *scp)
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*reply_port = scp->sc_reply_port;
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if (scp->sc_fpused)
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{
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/* XXX should restore FPU state here XXX roland needs 387 manual */
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/* abort (); */
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}
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/* Restore the FPU state. Mach conveniently stores the state
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in the format the i387 `frstor' instruction uses to restore it. */
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asm volatile ("frstor %0" : : "m" (scp->sc_fpsave));
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{
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/* There are convenient instructions to pop state off the stack, so we
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