V7M/src/cmd/f77/driver.c
char *xxxvers[] = "\n FORTRAN 77 DRIVER, VERSION 1.13, 20 APRIL 1979\n";
#include <stdio.h>
#include <ctype.h>
#include "defines"
#include "locdefs"
#include "drivedefs"
#include "ftypes"
#include <signal.h>
static FILEP diagfile = {stderr} ;
static int pid;
static int sigivalue = 0;
static int sigqvalue = 0;
static int sighvalue = 0;
static int sigtvalue = 0;
static char *pass1name = PASS1NAME ;
static char *pass2name = PASS2NAME ;
static char *asmname = ASMNAME ;
static char *ldname = LDNAME ;
static char *footname = FOOTNAME;
static char *proffoot = PROFFOOT;
static char *macroname = "m4";
static char *shellname = "/bin/sh";
static char *aoutname = "a.out" ;
static char *infname;
static char textfname[15];
static char asmfname[15];
static char asmpass2[15];
static char initfname[15];
static char sortfname[15];
static char prepfname[15];
static char objfdefault[15];
static char optzfname[15];
static char setfname[15];
static char fflags[30] = "-";
static char cflags[20] = "-c";
static char eflags[30] = "";
static char rflags[30] = "";
static char lflag[3] = "-x";
static char *fflagp = fflags+1;
static char *cflagp = cflags+2;
static char *eflagp = eflags;
static char *rflagp = rflags;
static char **loadargs;
static char **loadp;
static flag erred = NO;
static flag loadflag = YES;
static flag saveasmflag = NO;
static flag profileflag = NO;
static flag optimflag = NO;
static flag debugflag = NO;
static flag verbose = NO;
static flag nofloating = NO;
static flag fortonly = NO;
static flag macroflag = NO;
main(argc, argv)
int argc;
char **argv;
{
int i, c, status;
char *setdoto(), *lastchar(), *lastfield();
ptr ckalloc();
register char *s;
char fortfile[20], *t;
char buff[100];
int intrupt();
sigivalue = (int) signal(SIGINT, 1) & 01;
sigqvalue = (int) signal(SIGQUIT,1) & 01;
sighvalue = (int) signal(SIGHUP, 1) & 01;
sigtvalue = (int) signal(SIGTERM,1) & 01;
enbint(intrupt);
pid = getpid();
crfnames();
loadargs = (char **) ckalloc( (argc+20) * sizeof(*loadargs) );
loadargs[1] = "-X";
loadargs[2] = "-u";
#if HERE==PDP11 || HERE==VAX
loadargs[3] = "_MAIN__";
#endif
#if HERE == INTERDATA
loadargs[3] = "main";
#endif
loadp = loadargs + 4;
--argc;
++argv;
while(argc>0 && argv[0][0]=='-' && argv[0][1]!='\0')
{
for(s = argv[0]+1 ; *s ; ++s) switch(*s)
{
case 'T': /* use special passes */
switch(*++s)
{
case '1':
pass1name = s+1; goto endfor;
case '2':
pass2name = s+1; goto endfor;
case 'a':
asmname = s+1; goto endfor;
case 'l':
ldname = s+1; goto endfor;
case 'F':
footname = s+1; goto endfor;
case 'm':
macroname = s+1; goto endfor;
default:
fatal1("bad option -T%c", *s);
}
break;
case 'w':
if(s[1]=='6' && s[2]=='6')
{
*fflagp++ = *s++;
*fflagp++ = *s++;
}
copyfflag:
case 'u':
case 'U':
case 'M':
case '1':
case 'C':
*fflagp++ = *s;
break;
case 'O':
optimflag = YES;
#if TARGET == INTERDATA
*loadp++ = "-r";
*loadp++ = "-d";
#endif
*fflagp++ = 'O';
if( isdigit(s[1]) )
*fflagp++ = *++s;
break;
case 'm':
if(s[1] == '4')
++s;
macroflag = YES;
break;
case 'S':
saveasmflag = YES;
case 'c':
loadflag = NO;
break;
case 'v':
verbose = YES;
break;
case 'd':
debugflag = YES;
goto copyfflag;
case 'p':
profileflag = YES;
*cflagp++ = 'p';
goto copyfflag;
case 'o':
if( ! strcmp(s, "onetrip") )
{
*fflagp++ = '1';
goto endfor;
}
aoutname = *++argv;
--argc;
break;
#if TARGET == PDP11
case 'f':
nofloating = YES;
pass2name = NOFLPASS2;
break;
#endif
case 'F':
fortonly = YES;
loadflag = NO;
break;
case 'I':
if(s[1]=='2' || s[1]=='4' || s[1]=='s')
{
*fflagp++ = *s++;
goto copyfflag;
}
fprintf(diagfile, "invalid flag -I%c\n", s[1]);
done(1);
case 'l': /* letter ell--library */
s[-1] = '-';
*loadp++ = s-1;
goto endfor;
case 'E': /* EFL flag argument */
while( *eflagp++ = *++s)
;
*eflagp++ = ' ';
goto endfor;
case 'R':
while( *rflagp++ = *++s )
;
*rflagp++ = ' ';
goto endfor;
default:
lflag[1] = *s;
*loadp++ = copys(lflag);
break;
}
endfor:
--argc;
++argv;
}
loadargs[0] = ldname;
#if TARGET == PDP11
if(nofloating)
*loadp++ = (profileflag ? NOFLPROF : NOFLFOOT);
else
#endif
*loadp++ = (profileflag ? proffoot : footname);
for(i = 0 ; i<argc ; ++i)
switch(c = dotchar(infname = argv[i]) )
{
case 'r': /* Ratfor file */
case 'e': /* EFL file */
if( unreadable(argv[i]) )
{
erred = YES;
break;
}
s = fortfile;
t = lastfield(argv[i]);
while( *s++ = *t++)
;
s[-2] = 'f';
if(macroflag)
{
if(sys(sprintf(buff, "%s %s >%s", macroname, infname, prepfname) ))
{
rmf(prepfname);
erred = YES;
break;
}
infname = prepfname;
}
if(c == 'e')
sprintf(buff, "efl %s %s >%s", eflags, infname, fortfile);
else
sprintf(buff, "ratfor %s %s >%s", rflags, infname, fortfile);
status = sys(buff);
if(macroflag)
rmf(infname);
if(status)
{
erred = YES;
rmf(fortfile);
break;
}
if( ! fortonly )
{
infname = argv[i] = lastfield(argv[i]);
*lastchar(infname) = 'f';
if( dofort(argv[i]) )
erred = YES;
else {
if( nodup(t = setdoto(argv[i])) )
*loadp++ = t;
rmf(fortfile);
}
}
break;
case 'f': /* Fortran file */
case 'F':
if( unreadable(argv[i]) )
erred = YES;
else if( dofort(argv[i]) )
erred = YES;
else if( nodup(t=setdoto(argv[i])) )
*loadp++ = t;
break;
case 'c': /* C file */
case 's': /* Assembler file */
if( unreadable(argv[i]) )
{
erred = YES;
break;
}
#if HERE==PDP11 || HERE==VAX
fprintf(diagfile, "%s:\n", argv[i]);
#endif
sprintf(buff, "cc -c %s", argv[i] );
if( sys(buff) )
erred = YES;
else
if( nodup(t = setdoto(argv[i])) )
*loadp++ = t;
break;
case 'o':
if( nodup(argv[i]) )
*loadp++ = argv[i];
break;
default:
if( ! strcmp(argv[i], "-o") )
aoutname = argv[++i];
else
*loadp++ = argv[i];
break;
}
if(loadflag && !erred)
doload(loadargs, loadp);
done(erred);
}
dofort(s)
char *s;
{
int retcode;
char buff[200];
infname = s;
sprintf(buff, "%s %s %s %s %s %s",
pass1name, fflags, s, asmfname, initfname, textfname);
switch( sys(buff) )
{
case 1:
goto error;
case 0:
break;
default:
goto comperror;
}
if(content(initfname) > 0)
if( dodata() )
goto error;
if( dopass2() )
goto comperror;
doasm(s);
retcode = 0;
ret:
rmf(asmfname);
rmf(initfname);
rmf(textfname);
return(retcode);
error:
fprintf(diagfile, "\nError. No assembly.\n");
retcode = 1;
goto ret;
comperror:
fprintf(diagfile, "\ncompiler error.\n");
retcode = 2;
goto ret;
}
dopass2()
{
char buff[100];
if(verbose)
fprintf(diagfile, "PASS2.");
#if FAMILY==DMR
sprintf(buff, "%s %s - %s", pass2name, textfname, asmpass2);
return( sys(buff) );
#endif
#if FAMILY == SCJ
# if TARGET==INTERDATA
sprintf(buff, "%s -A%s <%s >%s", pass2name, setfname, textfname, asmpass2);
# else
sprintf(buff, "%s <%s >%s", pass2name, textfname, asmpass2);
# endif
return( sys(buff) );
#endif
}
doasm(s)
char *s;
{
register char *lastc;
char *obj;
char buff[200];
if(*s == '\0')
s = objfdefault;
lastc = lastchar(s);
obj = setdoto(s);
#if TARGET==PDP11 || TARGET==VAX
#ifdef PASS2OPT
if(optimflag)
{
if( sys(sprintf(buff, "%s %s %s", PASS2OPT, asmpass2, optzfname)) )
rmf(optzfname);
else
sys(sprintf(buff,"mv %s %s", optzfname, asmpass2));
}
#endif
#endif
if(saveasmflag)
{
*lastc = 's';
#if TARGET == INTERDATA
sys( sprintf(buff, "cat %s %s %s >%s",
asmfname, setfname, asmpass2, obj) );
#else
sys( sprintf(buff, "cat %s %s >%s",
asmfname, asmpass2, obj) );
#endif
*lastc = 'o';
}
else
{
if(verbose)
fprintf(diagfile, " ASM.");
#if TARGET == INTERDATA
sprintf(buff, "%s -o %s %s %s %s", asmname, obj, asmfname, setfname, asmpass2);
#endif
#if TARGET == VAX
/* vax assembler currently accepts only one input file */
sys(sprintf(buff, "cat %s >>%s", asmpass2, asmfname));
sprintf(buff, "%s -o %s %s", asmname, obj, asmfname);
#endif
#if TARGET == PDP11
sprintf(buff, "%s -u -o %s %s %s", asmname, obj, asmfname, asmpass2);
#endif
#if TARGET!=INTERDATA && TARGET!=PDP11 && TARGET!=VAX
sprintf(buff, "%s -o %s %s %s", asmname, obj, asmfname, asmpass2);
#endif
if( sys(buff) )
fatal("assembler error");
if(verbose)
fprintf(diagfile, "\n");
#if HERE==PDP11 && TARGET!=PDP11
rmf(obj);
#endif
}
rmf(asmpass2);
}
doload(v0, v)
register char *v0[], *v[];
{
char **p;
int waitpid;
for(p = liblist ; *p ; *v++ = *p++)
;
*v++ = "-o";
*v++ = aoutname;
*v = NULL;
if(verbose)
fprintf(diagfile, "LOAD.");
if(debugflag)
{
for(p = v0 ; p<v ; ++p)
fprintf(diagfile, "%s ", *p);
fprintf(diagfile, "\n");
}
#if HERE==PDP11 || HERE==INTERDATA || HERE==VAX
if( (waitpid = fork()) == 0)
{
enbint(SIG_DFL);
execv(ldname, v0);
fatal1("couldn't load %s", ldname);
}
await(waitpid);
#endif
#if HERE==INTERDATA
if(optimflag)
{
char buff[100];
if( sys(sprintf(buff, "nopt %s -o junk.%d", aoutname, pid))
|| sys(sprintf(buff, "mv junk.%d %s", pid, aoutname)) )
err("bad optimization");
}
#endif
if(verbose)
fprintf(diagfile, "\n");
}
/* Process control and Shell-simulating routines */
sys(str)
char *str;
{
register char *s, *t;
char *argv[100], path[100];
char *inname, *outname;
int append;
int waitpid;
int argc;
if(debugflag)
fprintf(diagfile, "%s\n", str);
inname = NULL;
outname = NULL;
argv[0] = shellname;
argc = 1;
t = str;
while( isspace(*t) )
++t;
while(*t)
{
if(*t == '<')
inname = t+1;
else if(*t == '>')
{
if(t[1] == '>')
{
append = YES;
outname = t+2;
}
else {
append = NO;
outname = t+1;
}
}
else
argv[argc++] = t;
while( !isspace(*t) && *t!='\0' )
++t;
if(*t)
{
*t++ = '\0';
while( isspace(*t) )
++t;
}
}
if(argc == 1) /* no command */
return(-1);
argv[argc] = 0;
s = path;
t = "/usr/bin/";
while(*t)
*s++ = *t++;
for(t = argv[1] ; *s++ = *t++ ; )
;
if((waitpid = fork()) == 0)
{
if(inname)
freopen(inname, "r", stdin);
if(outname)
freopen(outname, (append ? "a" : "w"), stdout);
enbint(SIG_DFL);
texec(path+9, argv); /* command */
texec(path+4, argv); /* /bin/command */
texec(path , argv); /* /usr/bin/command */
fatal1("Cannot load %s",path+9);
}
return( await(waitpid) );
}
#include "errno.h"
/* modified version from the Shell */
texec(f, av)
char *f;
char **av;
{
extern int errno;
execv(f, av+1);
if (errno==ENOEXEC)
{
av[1] = f;
execv(shellname, av);
fatal("No shell!");
}
if (errno==ENOMEM)
fatal1("%s: too large", f);
}
done(k)
int k;
{
static int recurs = NO;
if(recurs == NO)
{
recurs = YES;
rmfiles();
}
exit(k);
}
enbint(k)
int (*k)();
{
if(sigivalue == 0)
signal(SIGINT,k);
if(sigqvalue == 0)
signal(SIGQUIT,k);
if(sighvalue == 0)
signal(SIGHUP,k);
if(sigtvalue == 0)
signal(SIGTERM,k);
}
intrupt()
{
done(2);
}
await(waitpid)
int waitpid;
{
int w, status;
enbint(SIG_IGN);
while ( (w = wait(&status)) != waitpid)
if(w == -1)
fatal("bad wait code");
enbint(intrupt);
if(status & 0377)
{
if(status != SIGINT)
fprintf(diagfile, "Termination code %d", status);
done(3);
}
return(status>>8);
}
/* File Name and File Manipulation Routines */
unreadable(s)
register char *s;
{
register FILE *fp;
if(fp = fopen(s, "r"))
{
fclose(fp);
return(NO);
}
else
{
fprintf(diagfile, "Error: Cannot read file %s\n", s);
return(YES);
}
}
clf(p)
FILEP *p;
{
if(p!=NULL && *p!=NULL && *p!=stdout)
{
if(ferror(*p))
fatal("writing error");
fclose(*p);
}
*p = NULL;
}
rmfiles()
{
rmf(textfname);
rmf(asmfname);
rmf(initfname);
rmf(asmpass2);
#if TARGET == INTERDATA
rmf(setfname);
#endif
}
/* return -1 if file does not exist, 0 if it is of zero length
and 1 if of positive length
*/
content(filename)
char *filename;
{
#ifdef VERSION6
struct stat
{
char cjunk[9];
char size0;
int size1;
int ijunk[12];
} buf;
#else
# include <sys/types.h>
# include <sys/stat.h>
struct stat buf;
#endif
if(stat(filename,&buf) < 0)
return(-1);
#ifdef VERSION6
return(buf.size0 || buf.size1);
#else
return( buf.st_size > 0 );
#endif
}
crfnames()
{
fname(textfname, "x");
fname(asmfname, "s");
fname(asmpass2, "a");
fname(initfname, "d");
fname(sortfname, "S");
fname(objfdefault, "o");
fname(prepfname, "p");
fname(optzfname, "z");
fname(setfname, "A");
}
rmf(fn)
register char *fn;
{
if(!debugflag && fn!=NULL && *fn!='\0')
unlink(fn);
}
LOCAL fname(name, suff)
char *name, *suff;
{
sprintf(name, "fort%d.%s", pid, suff);
}
dotchar(s)
register char *s;
{
for( ; *s ; ++s)
if(s[0]=='.' && s[1]!='\0' && s[2]=='\0')
return( s[1] );
return(NO);
}
char *lastfield(s)
register char *s;
{
register char *t;
for(t = s; *s ; ++s)
if(*s == '/')
t = s+1;
return(t);
}
char *lastchar(s)
register char *s;
{
while(*s)
++s;
return(s-1);
}
char *setdoto(s)
register char *s;
{
*lastchar(s) = 'o';
return( lastfield(s) );
}
badfile(s)
char *s;
{
fatal1("cannot open intermediate file %s", s);
}
ptr ckalloc(n)
int n;
{
ptr p, calloc();
if( p = calloc(1, (unsigned) n) )
return(p);
fatal("out of memory");
/* NOTREACHED */
}
copyn(n, s)
register int n;
register char *s;
{
register char *p, *q;
p = q = (char *) ckalloc(n);
while(n-- > 0)
*q++ = *s++;
return(p);
}
copys(s)
char *s;
{
return( copyn( strlen(s)+1 , s) );
}
nodup(s)
char *s;
{
register char **p;
for(p = loadargs ; p < loadp ; ++p)
if( !strcmp(*p, s) )
return(NO);
return(YES);
}
static fatal(t)
char *t;
{
fprintf(diagfile, "Compiler error in file %s: %s\n", infname, t);
if(debugflag)
abort();
done(1);
exit(1);
}
static fatal1(t,d)
char *t, *d;
{
char buff[100];
fatal( sprintf(buff, t, d) );
}
err(s)
char *s;
{
fprintf(diagfile, "Error in file %s: %s\n", infname, s);
}
LOCAL int nch = 0;
LOCAL FILEP asmfile;
LOCAL FILEP sortfile;
#include "ftypes"
static ftnint typesize[NTYPES]
= { 1, SZADDR, SZSHORT, SZLONG, SZLONG, 2*SZLONG,
2*SZLONG, 4*SZLONG, SZLONG, 1, 1, 1};
static int typealign[NTYPES]
= { 1, ALIADDR, ALISHORT, ALILONG, ALILONG, ALIDOUBLE,
ALILONG, ALIDOUBLE, ALILONG, 1, 1, 1};
dodata()
{
char buff[50];
char varname[XL+1], ovarname[XL+1];
int status;
flag erred;
ftnint offset, vlen, type;
register ftnint ooffset, ovlen;
ftnint vchar;
int size, align;
int vargroup;
ftnint totlen, doeven();
erred = NO;
ovarname[0] = '\0';
ooffset = 0;
ovlen = 0;
totlen = 0;
nch = 0;
if(status = sys( sprintf(buff, "sort %s >%s", initfname, sortfname) ) )
fatal1("call sort status = %d", status);
if( (sortfile = fopen(sortfname, "r")) == NULL)
badfile(sortfname);
if( (asmfile = fopen(asmfname, "a")) == NULL)
badfile(asmfname);
pruse(asmfile, USEINIT);
while( rdname(&vargroup, varname) && rdlong(&offset) && rdlong(&vlen) && rdlong(&type) )
{
size = typesize[type];
if( strcmp(varname, ovarname) )
{
prspace(ovlen-ooffset);
strcpy(ovarname, varname);
ooffset = 0;
totlen += ovlen;
ovlen = vlen;
if(vargroup == 0)
align = (type==TYCHAR ? SZLONG : typealign[type]);
else align = ALIDOUBLE;
totlen = doeven(totlen, align);
if(vargroup == 2)
prcomblock(asmfile, varname);
else
fprintf(asmfile, LABELFMT, varname);
}
if(offset < ooffset)
{
erred = YES;
err("overlapping initializations");
}
if(offset > ooffset)
{
prspace(offset-ooffset);
ooffset = offset;
}
if(type == TYCHAR)
{
if( ! rdlong(&vchar) )
fatal("bad intermediate file format");
prch( (int) vchar );
}
else
{
putc('\t', asmfile);
while ( putc( getc(sortfile), asmfile) != '\n')
;
}
if( (ooffset += size) > ovlen)
{
erred = YES;
err("initialization out of bounds");
}
}
prspace(ovlen-ooffset);
totlen = doeven(totlen+ovlen, (ALIDOUBLE>SZLONG ? ALIDOUBLE : SZLONG) );
clf(&sortfile);
clf(&asmfile);
clf(&sortfile);
rmf(sortfname);
return(erred);
}
prspace(n)
register ftnint n;
{
register ftnint m;
while(nch>0 && n>0)
{
--n;
prch(0);
}
m = SZSHORT * (n/SZSHORT);
if(m > 0)
prskip(asmfile, m);
for(n -= m ; n>0 ; --n)
prch(0);
}
ftnint doeven(tot, align)
register ftnint tot;
int align;
{
ftnint new;
new = roundup(tot, align);
prspace(new - tot);
return(new);
}
rdname(vargroupp, name)
int *vargroupp;
register char *name;
{
register int i, c;
if( (c = getc(sortfile)) == EOF)
return(NO);
*vargroupp = c - '0';
for(i = 0 ; i<XL ; ++i)
{
if( (c = getc(sortfile)) == EOF)
return(NO);
if(c != ' ')
*name++ = c;
}
*name = '\0';
return(YES);
}
rdlong(n)
register ftnint *n;
{
register int c;
for(c = getc(sortfile) ; c!=EOF && isspace(c) ; c = getc(sortfile) );
;
if(c == EOF)
return(NO);
for(*n = 0 ; isdigit(c) ; c = getc(sortfile) )
*n = 10* (*n) + c - '0';
return(YES);
}
prch(c)
register int c;
{
static int buff[SZSHORT];
buff[nch++] = c;
if(nch == SZSHORT)
{
prchars(asmfile, buff);
nch = 0;
}
}