18b719de80
as it should, because systemcall interface also uses the fact that BSS = 0
61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
/*
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(c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
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See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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/*
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Module: initialization and some global vars
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Author: Ceriel J.H. Jacobs
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Version: $Header$
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*/
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#include <signal.h>
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#include <em_abs.h>
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#include <m2_traps.h>
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/* map unix signals onto EM traps */
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init()
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{
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sigtrp(M2_UNIXSIG, SIGHUP);
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sigtrp(M2_UNIXSIG, SIGINT);
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sigtrp(M2_UNIXSIG, SIGQUIT);
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sigtrp(EILLINS, SIGILL);
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sigtrp(M2_UNIXSIG, SIGTRAP);
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sigtrp(M2_UNIXSIG, SIGIOT);
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sigtrp(M2_UNIXSIG, SIGEMT);
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/* sigtrp(M2_UNIXSIG, SIGFPE); leave this one for EM runtime startoff*/
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sigtrp(M2_UNIXSIG, SIGBUS);
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sigtrp(M2_UNIXSIG, SIGSEGV);
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sigtrp(EBADMON, SIGSYS);
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sigtrp(M2_UNIXSIG, SIGPIPE);
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sigtrp(M2_UNIXSIG, SIGALRM);
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sigtrp(M2_UNIXSIG, SIGTERM);
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}
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#if em22 || em24 || em44
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killbss()
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{
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}
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#else
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static int blablabla; /* We cannot use end, because then also
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bss allocated for the systemcall lib
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would be overwritten. Lets hope that
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this helps ...
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*/
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killbss()
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{
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extern char *edata;
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register char *p = (char *) &edata;
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while (p < (char *) &blablabla) *p++ = 0x66;
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}
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#endif
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extern int catch();
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int (*handler)() = catch;
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char **argv = 0, **environ = 0;
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int argc = 0, StackSize = 0;
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char *CurrentProcess = 0, MainProcess = 0, StackBase = 0, MainLB = 0;
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