4.4BSD/usr/src/old/lisp/franz/fex3.c
#ifndef lint
static char *rcsid = "$Header: fex3.c,v 1.15 85/03/13 17:18:29 sklower Exp $";
#endif
/* -[Sat Apr 9 17:03:02 1983 by layer]-
* fex3.c $Locker: $
* nlambda functions
*
* (c) copyright 1982, Regents of the University of California
*/
#include "global.h"
extern char *gstab();
static int pagsiz, pagrnd;
/*
*Ndumplisp -- create executable version of current state of this lisp.
*/
#ifndef os_vms
#include "aout.h"
lispval
Ndumplisp()
{
register struct exec *workp;
register lispval argptr, temp;
register char *fname;
extern int reborn;
struct exec work, old;
extern int dmpmode,usehole;
extern char etext[], *curhbeg;
int descrip, des2, ax,mode;
extern int holesize;
char tbuf[BUFSIZ];
long count, lseek();
pageseql();
pagsiz = Igtpgsz();
pagrnd = pagsiz - 1;
/* dump mode is kept in decimal (which looks like octal in dmpmode)
and is changeable via (sstatus dumpmode n) where n is 413 or 410
base 10
*/
if(dmpmode == 413) mode = 0413;
else if(dmpmode == 407) mode = 0407;
else mode = 0410;
workp = &work;
workp->a_magic = mode;
#ifdef os_masscomp
workp->a_stamp = 1;
#endif
if(holesize) { /* was ifdef HOLE */
curhbeg = (char *) (1 + (pagrnd | ((int)curhbeg)-1));
workp->a_text = (unsigned long)curhbeg - (unsigned long)OFFSET;
workp->a_data = (unsigned) sbrk(0) - workp->a_text - OFFSET;
} else {
if(mode==0407)
workp->a_text = ((int)etext) - OFFSET;
else
workp->a_text = 1 + ((((int)etext)-1-OFFSET) | pagrnd);
workp->a_data = (int) sbrk(0) - ((int)curhbeg);
}
workp->a_bss = 0;
workp->a_syms = 0;
workp->a_entry = (unsigned) gstart();
workp->a_trsize = 0;
workp->a_drsize = 0;
fname = "savedlisp"; /*set defaults*/
reborn = (int) CNIL;
argptr = lbot->val;
if (argptr != nil) {
temp = argptr->d.car;
if((TYPE(temp))==ATOM)
fname = temp->a.pname;
}
des2 = open(gstab(),0);
if(des2 >= 0) {
if(read(des2,(char *)&old,sizeof(old))>=0)
work.a_syms = old.a_syms;
}
descrip=creat(fname,0777); /*doit!*/
if(-1==write(descrip,(char *)workp,sizeof(work)))
{
close(descrip);
error("Dumplisp header failed",FALSE);
}
if(mode == 0413) lseek(descrip,(long)pagsiz,0);
if( -1==write(descrip,(char *)nil,(int)workp->a_text) )
{
close(descrip);
error("Dumplisp text failed",FALSE);
}
if( -1==write(descrip,(char *)curhbeg,(int)workp->a_data) )
{
close(descrip);
error("Dumplisp data failed",FALSE);
}
if(des2>0 && work.a_syms) {
count = old.a_text + old.a_data + (old.a_magic == 0413 ? pagsiz
: sizeof(old));
if(-1==lseek(des2,count,0))
error("Could not seek to stab",FALSE);
for(count = old.a_syms;count > 0; count -=BUFSIZ) {
ax = read(des2,tbuf,(int)(count < BUFSIZ ? count : BUFSIZ));
if(ax==0) {
printf("Unexpected end of syms",count);
fflush(stdout);
break;
} else if(ax > 0)
write(descrip,tbuf,ax);
else
error("Failure to write dumplisp stab",FALSE);
}
#if ! (os_unix_ts | os_unisoft)
if(-1 == lseek(des2,(long)
((old.a_magic == 0413 ? pagsiz : sizeof(old))
+ old.a_text + old.a_data
+ old.a_trsize + old.a_drsize + old.a_syms),
0))
error(" Could not seek to string table ",FALSE);
for( ax = 1 ; ax > 0;) {
ax = read(des2,tbuf,BUFSIZ);
if(ax > 0)
write(descrip,tbuf,ax);
else if (ax < 0)
error("Error in string table read ",FALSE);
}
#endif
}
close(descrip);
if(des2>0) close(des2);
reborn = 0;
pagenorm();
return(nil);
}
/*** VMS version of Ndumplisp ***/
#else
#include "aout.h"
#undef protect
#include <vms/vmsexe.h>
lispval
Ndumplisp()
{
register struct exec *workp;
register lispval argptr, temp;
char *fname;
register ISD *Isd;
register int i;
extern lispval reborn;
struct exec work,old;
extern etext;
extern int dmpmode,holend,curhbeg,usehole,holesize;
int extra_cref_page = 0;
char *start_of_data;
int descrip, des2, count, ax,mode;
char buf[5000],stabname[100],tbuf[BUFSIZ];
int fp,fp1;
union {
char Buffer[512];
struct {
IHD Ihd;
IHA Iha;
IHS Ihs;
IHI Ihi;
} Header;
} Buffer; /* VMS Header */
/*
* Dumpmode is always 413!!
*/
mode = 0413;
pagsiz = Igtpgsz();
pagrnd = pagsiz - 1;
workp = &work;
workp->a_magic = mode;
if (holesize) {
workp->a_text =
((unsigned)curhbeg) & (~pagrnd);
if (((unsigned)curhbeg) & pagrnd) extra_cref_page = 1;
start_of_data = (char *)
(((((unsigned) (&holend)) -1) & (~pagrnd)) + pagsiz);
} else {
workp->a_text =
((((unsigned) (&etext)) -1) & (~pagrnd)) + pagsiz;
start_of_data = (char *)workp->a_text;
}
workp->a_data =
(unsigned) sbrk(0) - (unsigned)start_of_data;
workp->a_bss = 0;
workp->a_syms = 0;
workp->a_entry = (unsigned) gstart();
workp->a_trsize = 0;
workp->a_drsize = 0;
fname = "savedlisp"; /* set defaults */
reborn = CNIL;
argptr = lbot->val;
if (argptr != nil) {
temp = argptr->d.car;
if((TYPE(temp))==ATOM)
fname = temp->a.pname;
}
/*
* Open the new executable file
*/
strcpy(buf,fname);
if (index(buf,'.') == 0) strcat(buf,".exe");
if ((descrip = creat(buf,0777)) < 0) error("Dumplisp failed",FALSE);
/*
* Create the VMS header
*/
for(i = 0; i < 512; i++) Buffer.Buffer[i] = 0; /* Clear Header */
Buffer.Header.Ihd.size = sizeof(Buffer.Header);
Buffer.Header.Ihd.activoff = sizeof(IHD);
Buffer.Header.Ihd.symdbgoff = sizeof(IHD) + sizeof(IHA);
Buffer.Header.Ihd.imgidoff = sizeof(IHD) + sizeof(IHA) + sizeof(IHS);
Buffer.Header.Ihd.majorid[0] = '0';
Buffer.Header.Ihd.majorid[1] = '2';
Buffer.Header.Ihd.minorid[0] = '0';
Buffer.Header.Ihd.minorid[1] = '2';
Buffer.Header.Ihd.imgtype = IHD_EXECUTABLE;
Buffer.Header.Ihd.privreqs[0] = -1;
Buffer.Header.Ihd.privreqs[1] = -1;
Buffer.Header.Ihd.lnkflags.nopobufs = 1;
Buffer.Header.Ihd.imgiocnt = 250;
Buffer.Header.Iha.tfradr1 = SYS$IMGSTA;
Buffer.Header.Iha.tfradr2 = workp->a_entry;
strcpy(Buffer.Header.Ihi.imgnam+1,"SAVEDLISP");
Buffer.Header.Ihi.imgnam[0] = 9;
Buffer.Header.Ihi.imgid[0] = 0;
Buffer.Header.Ihi.imgid[1] = '0';
sys$gettim(Buffer.Header.Ihi.linktime);
strcpy(Buffer.Header.Ihi.linkid+1," Opus 38");
Buffer.Header.Ihi.linkid[0] = 8;
Isd = (ISD *)&Buffer.Buffer[sizeof(Buffer.Header)];
/* Text ISD */
Isd->size = ISDSIZE_TEXT;
Isd->pagcnt = workp->a_text >> 9;
Isd->vpnpfc.vpn = 0;
Isd->flags.type = ISD_NORMAL;
Isd->vbn = 3;
Isd = (ISD *)((char *)Isd + Isd->size);
/* Hole ISDs (if necessary) */
if (usehole) {
/* Copy on Ref ISD for possible extra text page */
if(extra_cref_page) {
Isd->size = ISDSIZE_TEXT;
Isd->pagcnt = 1;
Isd->vpnpfc.vpn = (((unsigned)curhbeg) & (~pagrnd)) >> 9;
Isd->flags.type = ISD_NORMAL;
Isd->flags.crf = 1;
Isd->flags.wrt = 1;
Isd->vbn = (workp->a_text >> 9) + 3;
Isd = (ISD *)((char *)Isd + Isd->size);
}
/* Demand Zero ISD for rest of Hole */
Isd->size = ISDSIZE_DZRO;
Isd->pagcnt =
((((unsigned)&holend)
- (unsigned)curhbeg) & (~pagrnd)) >> 9;
Isd->vpnpfc.vpn =
((((unsigned)curhbeg) & (~pagrnd)) >> 9) + extra_cref_page;
Isd->flags.type = ISD_NORMAL;
Isd->flags.dzro = 1;
Isd->flags.wrt = 1;
Isd = (ISD *)((char *)Isd + Isd->size);
}
/* Data ISD */
Isd->size = ISDSIZE_TEXT;
Isd->pagcnt = workp->a_data >> 9;
Isd->vpnpfc.vpn = ((unsigned)start_of_data) >> 9;
Isd->flags.type = ISD_NORMAL;
Isd->flags.crf = 1;
Isd->flags.wrt = 1;
Isd->vbn = (workp->a_text >> 9) + 3;
if (holesize) {
/*
* Correct the Data ISD
*/
Isd->vbn += extra_cref_page;
}
Isd = (ISD *)((char *)Isd + Isd->size);
/* Stack ISD */
Isd->size = ISDSIZE_DZRO;
Isd->pagcnt = ISDSTACK_SIZE;
Isd->vpnpfc.vpn = ISDSTACK_BASE;
Isd->flags.type = ISD_USERSTACK;
Isd->flags.dzro = 1;
Isd->flags.wrt = 1;
Isd = (ISD *)((char *)Isd + Isd->size);
/* End of ISD List */
Isd->size = 0;
Isd = (ISD *)((char *)Isd + 2);
/*
* Make the rest of the header -1s
*/
for (i = ((char *)Isd - Buffer.Buffer); i < 512; i++)
Buffer.Buffer[i] = -1;
/*
* Write the VMS Header
*/
if (write(descrip,Buffer.Buffer,512) == -1)
error("Dumplisp failed",FALSE);
#if EUNICE_UNIX_OBJECT_FILE_CFASL
/*
* Get the UNIX symbol table file header
*/
des2 = open(gstab(),0);
if (des2 >= 0) {
old.a_magic = 0;
if (read(des2,(char *)&old,sizeof(old)) >= 0) {
if (N_BADMAG(old)) {
lseek(des2,512,0); /* Try block #1 */
read(des2,(char *)&old,sizeof(old));
}
if (!N_BADMAG(old)) work.a_syms = old.a_syms;
}
}
#endif EUNICE_UNIX_OBJECT_FILE_CFASL
/*
* Update the UNIX header so that the extra cref page is
* considered part of data space.
*/
if (extra_cref_page) work.a_data += 512;
/*
* Write the UNIX header
*/
if (write(descrip,&work,sizeof(work)) == -1)
error("Dumplisp failed",FALSE);
/*
* seek to 1024 (end of headers)
*/
if (lseek(descrip,1024,0) == -1)
error("Dumplisp failed",FALSE);
/*
* write the world
*/
if (write(descrip,0,workp->a_text) == -1)
error("Dumplisp failed",FALSE);
if (extra_cref_page)
if (write(descrip,(((unsigned)curhbeg) & pagrnd), pagsiz) == -1)
error("Dumplisp failed",FALSE);
if (write(descrip,start_of_data,workp->a_data) == -1)
error("Dumplisp failed",FALSE);
#if !EUNICE_UNIX_OBJECT_FILE_CFASL
/*
* VMS OBJECT files: We are done with the executable file
*/
close(descrip);
/*
* Now try to write the symbol table file!
*/
strcpy(buf,gstab());
strcpy(stabname,fname);
if (index(stabname,'.') == 0) strcat(stabname,".stb");
else strcpy(index(stabname,'.'), ".stb");
/* Use Link/Unlink to rename the symbol table */
if (!strncmp(gstab(),"tmp:",4))
if (link(buf,stabname) >= 0)
if (unlink(buf) >= 0) return(nil);
/* Copy the symbol table */
if ((fp = open(buf,0)) < 0)
error("Symbol table file not there\n",FALSE);
fp1 = creat(stabname,0666,"var");
while((i = read(fp,buf,5000)) > 0)
if (write(fp1,buf,i) == -1) {
close(fp); close(fp1);
error("Error writing symbol table\n",FALSE);
}
close(fp); close(fp1);
if (i < 0) error("Error reading symbol table\n",FALSE);
if (!strncmp(gstab(),"tmp:",4)) unlink(gstab);
/*
* Done
*/
reborn = 0;
return(nil);
#else EUNICE_UNIX_OBJECT_FILE_CFASL
/*
* UNIX OBJECT files: append the new symbol table
*/
if(des2>0 && work.a_syms) {
count = old.a_text + old.a_data + (old.a_magic == 0413 ? 1024
: sizeof(old));
if(-1==lseek(des2,count,0))
error("Could not seek to stab",FALSE);
for(count = old.a_syms;count > 0; count -=BUFSIZ) {
ax = read(des2,tbuf,(int)(count < BUFSIZ ? count : BUFSIZ));
if(ax==0) {
printf("Unexpected end of syms",count);
fflush(stdout);
break;
} else if(ax > 0)
write(descrip,tbuf,ax);
else
error("Failure to write dumplisp stab",FALSE);
}
if(-1 == lseek(des2,(long)
((old.a_magic == 0413 ? 1024 : sizeof(old))
+ old.a_text + old.a_data
+ old.a_trsize + old.a_drsize + old.a_syms),
0))
error(" Could not seek to string table ",FALSE);
for( ax = 1 ; ax > 0;) {
ax = read(des2,tbuf,BUFSIZ);
if(ax > 0)
write(descrip,tbuf,ax);
else if (ax < 0)
error("Error in string table read ",FALSE);
}
}
close(descrip);
if(des2>0) close(des2);
reborn = 0;
return(nil);
#endif EUNICE_UNIX_OBJECT_FILE_CFASL
}
#endif
#if (os_4_1 | os_4_1a | os_4_1c | os_4_2| os_4_3)
#if (os_4_2 | os_4_3)
#include <sys/vadvise.h>
#else
#include <vadvise.h>
#endif
pagerand() { vadvise(VA_ANOM); }
pageseql() { vadvise(VA_SEQL); }
pagenorm() { vadvise(VA_NORM); }
#endif
#if (os_unisoft | os_vms | os_unix_ts | os_masscomp)
pagerand() { }
pageseql() { }
pagenorm() { }
#endif
/* getaddress --
*
* (getaddress '|_entry1| 'fncname1 '|_entry2| 'fncname2 ...)
*
* binds value of symbol |_entry1| to function defition of atom fncname1, etc.
*
* returns fnc-binding of fncname1.
*
*/
#if os_unisoft || os_unix_ts
#define N_name n_name
#define STASSGN(p,q) strncpy(NTABLE[(p)].n_name,(q),8)
#else
#define N_name n_un.n_name
#define STASSGN(p,q) (NTABLE[p].N_name = (q))
#endif
lispval
Lgetaddress(){
register struct argent *mlbot = lbot;
register lispval work;
register int numberofargs, i;
char ostabf[128];
struct nlist NTABLE[100];
lispval dispget();
Savestack(4);
if(np-lbot == 2) protect(nil); /* allow 2 args */
numberofargs = (np - lbot)/3;
if(numberofargs * 3 != np-lbot)
error("getaddress: arguments must come in triples ",FALSE);
for ( i=0; i<numberofargs; i++,mlbot += 3) {
NTABLE[i].n_value = 0;
mlbot[0].val = verify(mlbot[0].val,"Incorrect entry specification for binding");
STASSGN(i,(char *) mlbot[0].val);
while(TYPE(mlbot[1].val) != ATOM)
mlbot[1].val = errorh1(Vermisc,
"Bad associated atom name for binding",
nil,TRUE,0,mlbot[1].val);
mlbot[2].val = dispget(mlbot[2].val,"getaddress: Incorrect discipline specification ",(lispval)Vsubrou->a.pname);
}
STASSGN(numberofargs,"");
strncpy(ostabf,gstab(),128);
if ( nlist(ostabf,NTABLE) == -1 ) {
errorh1(Vermisc,"Getaddress: Bad file",nil,FALSE,0,inewstr(ostabf));
} else
for (i=0,mlbot=lbot+1; i<numberofargs; i++,mlbot+=3) {
if ( NTABLE[i].n_value == 0 )
fprintf(stderr,"Undefined symbol: %s\n",
NTABLE[i].N_name);
else {
work= newfunct();
work->bcd.start = (lispval (*) ())NTABLE[i].n_value;
work->bcd.discipline = mlbot[1].val;
mlbot->val->a.fnbnd = work;
}
};
Restorestack();
return(lbot[1].val->a.fnbnd);
};
Igtpgsz()
{
#if (os_4_1c | os_4_2 | os_4_3)
return(getpagesize());
#else
#if (vax_eunice_vms | os_unisoft)
return(512);
#else
#if os_masscomp
return(4096);
#else
return(1024);
#endif
#endif
#endif
}