merged the vax and mantra versions

This commit is contained in:
erikb 1986-11-11 13:47:58 +00:00
parent 45f608bac0
commit f784236908

View file

@ -1,11 +1,13 @@
/* $Header$ */
/*
Driver for the CEMCOM compiler: works like /bin/cc and accepts the
options accepted by /bin/cc and /usr/em/bin/ack.
Driver for the CEMCOM compiler: works like /bin/cc and accepts
most of the options accepted by /bin/cc and /usr/em/bin/ack.
Date written: dec 4, 1985
Adapted for 68000 (Aug 19, 1986)
Merged the vax and mantra versions (Nov 10, 1986)
Author: Erik Baalbergen
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
@ -22,29 +24,43 @@ struct arglist {
/* some system-dependent variables */
char *PP = "/lib/cpp";
char *CEM = "/user1/erikb/bin/cemcom";
char *AS_FIX = "/user1/erikb/bin/mcomm";
char *CEM = "/usr/em/lib/em_cemcom";
char *ENCODE = "/usr/em/lib/em_encode";
char *DECODE = "/usr/em/lib/em_decode";
char *OPT = "/usr/em/lib/em_opt";
char *CG = "/usr/em/lib/vax4/cg";
char *AS = "/bin/as";
char *LD = "/bin/ld";
char *SHELL = "/bin/sh";
#ifndef MANTRA
char *CG = "/usr/em/lib/vax4/cg";
char *AS = "/bin/as";
char *AS_FIX = "/user1/erikb/bin/mcomm";
char *LD = "/bin/ld";
char *LIBDIR = "/user1/cem/lib";
char *V_FLAG = "-Vs2.2w4.4i4.4l4.4f4.4d8.4p4.4";
#else MANTRA
char *CG = "/usr/em/lib/m68k2/cg";
char *AS = "/usr/em/lib/m68k2/as";
char *LD = "/usr/em/lib/em_led";
char *CV = "/usr/em/lib/m68k2/cv";
char *LIBDIR = "/usr/em/lib/m68k2";
char *V_FLAG = "-Vs2.2w2.2i2.2l4.2f4.2d8.2p4.2";
#endif MANTRA
struct arglist LD_HEAD = {
2,
{
#ifndef MANTRA
"/usr/em/lib/vax4/head_em",
"/usr/em/lib/vax4/head_cc"
#else MANTRA
"/usr/em/lib/m68k2/head_em",
"/usr/em/lib/m68k2/head_cc"
#endif MANTRA
}
};
struct arglist LD_TAIL = {
#ifndef MANTRA
4,
{
"/user1/cem/lib/libc.a",
@ -52,11 +68,26 @@ struct arglist LD_TAIL = {
"/usr/em/lib/vax4/tail_mon",
"/usr/em/lib/vax4/tail_em"
}
#else MANTRA
7,
{
"/usr/em/lib/m68k2/tail_cc.1s",
"/usr/em/lib/m68k2/tail_cc.2g",
"/usr/em/lib/m68k2/tail_cem",
"/usr/em/lib/m68k2/tail_fp.a",
"/usr/em/lib/m68k2/tail_em.rt",
"/usr/em/lib/m68k2/tail_mon",
"/usr/em/lib/m68k2/end_em"
}
#endif MANTRA
};
char *o_FILE = "a.out";
#ifdef MANTRA
char *cv_FILE = "cv.out";
#endif MANTRA
#define remove(str) (((t_flag == 0) && unlink(str)), (str)[0] = '\0')
#define remove(str) (((FLAG(t) == 0) && unlink(str)), (str)[0] = '\0')
#define cleanup(str) (str && remove(str))
#define mkname(dst, s1, s2) mkstr(dst, (s1), (s2), 0)
#define init(al) (al)->al_argc = 1
@ -64,42 +95,34 @@ char *o_FILE = "a.out";
mkstr(alloc((unsigned int)strlen(nm) + strlen(LIBDIR) + 7), \
LIBDIR, "/lib", nm, ".a", 0)
char *ProgCall = 0;
struct arglist SRCFILES, LDFILES, GEN_LDFILES, PP_FLAGS, CEM_FLAGS,
OPT_FLAGS, DECODE_FLAGS, ENCODE_FLAGS, CG_FLAGS, AS_FLAGS,
O_FLAGS, DEBUG_FLAGS, CALL_VEC;
struct arglist SRCFILES;
struct arglist LDFILES;
struct arglist GEN_LDFILES;
struct arglist PP_FLAGS;
struct arglist CEM_FLAGS;
int debug = 0;
int exec = 1;
int RET_CODE = 0;
struct arglist OPT_FLAGS;
struct arglist DECODE_FLAGS;
struct arglist ENCODE_FLAGS;
struct arglist CG_FLAGS;
struct arglist AS_FLAGS;
#ifndef MANTRA
struct arglist LD_FLAGS;
struct arglist O_FLAGS;
struct arglist DEBUG_FLAGS;
#else MANTRA
struct arglist LD_FLAGS = {
5,
{
"-b0:0x80000",
"-a0:2",
"-a1:2",
"-a2:2",
"-a3:2"
}
};
struct arglist CV_FLAGS;
int Nc_flag = 0;
#endif MANTRA
struct arglist CALL_VEC;
int e_flag = 0;
int E_flag = 0;
int c_flag = 0;
int k_flag = 0;
int m_flag = 0;
int o_flag = 0;
int S_flag = 0;
int t_flag = 0;
int v_flag = 0;
int P_flag = 0;
/* option naming */
#define NAME(chr) chr
#define FLAG(chr) NAME(chr)_flag
int E_flag, P_flag, S_flag, c_flag, e_flag, k_flag,
m_flag, o_flag, t_flag, v_flag;
/* various passes */
struct prog {
char *p_name;
char **p_task;
@ -114,87 +137,83 @@ struct prog {
{ "cg", &CG, &CG_FLAGS },
{ "as", &AS, &AS_FLAGS },
{ "ld", &LD, &LD_FLAGS },
#ifdef MANTRA
{ "cv", &CV, &CV_FLAGS },
#endif MANTRA
{ 0, 0, 0 }
};
/* various forward declarations */
int trap();
char *mkstr();
char *alloc();
long sizeof_file();
/* various globals */
char *ProgCall = 0;
int debug = 0;
int exec = 1;
int RET_CODE = 0;
main(argc, argv)
char *argv[];
{
char *str;
char **argvec;
int count;
int ext;
char Nfile[USTR_SIZE];
char kfile[USTR_SIZE];
char sfile[USTR_SIZE];
char mfile[USTR_SIZE];
char ofile[USTR_SIZE];
char *str, **argvec, *file, *ldfile = 0;
int count, ext;
char Nfile[USTR_SIZE], kfile[USTR_SIZE], sfile[USTR_SIZE],
mfile[USTR_SIZE], ofile[USTR_SIZE], BASE[USTR_SIZE];
register struct arglist *call = &CALL_VEC;
char BASE[USTR_SIZE];
char *file;
char *ldfile = 0;
set_traps(trap);
ProgCall = *argv++;
while (--argc > 0) {
if (*(str = *argv++) != '-') {
append(&SRCFILES, str);
continue;
}
switch (str[1]) {
case '-':
switch (str[2]) {
case 'C':
case 'E':
case 'P':
E_flag = 1;
FLAG(E) = 1;
append(&PP_FLAGS, str);
PP = CEM;
P_flag = (str[2] == 'P');
FLAG(P) = (str[2] == 'P');
break;
default:
append(&DEBUG_FLAGS, str);
break;
}
break;
case 'B':
PP = CEM = &str[2];
break;
case 'C':
case 'E':
case 'P':
E_flag = 1;
FLAG(E) = 1;
append(&PP_FLAGS, str);
P_flag = (str[1] == 'P');
FLAG(P) = (str[1] == 'P');
break;
case 'c':
if (str[2] == '.') {
switch (str[3]) {
case 's':
S_flag = 1;
FLAG(S) = 1;
break;
case 'k':
k_flag = 1;
FLAG(k) = 1;
break;
case 'o':
c_flag = 1;
FLAG(c) = 1;
break;
case 'm':
m_flag = 1;
FLAG(m) = 1;
break;
case 'e':
e_flag = 1;
FLAG(e) = 1;
break;
default:
bad_option(str);
@ -202,7 +221,7 @@ main(argc, argv)
}
else
if (str[2] == '\0')
c_flag = 1;
FLAG(c) = 1;
else
bad_option(str);
break;
@ -212,7 +231,7 @@ main(argc, argv)
append(&PP_FLAGS, str);
break;
case 'k':
k_flag = 1;
FLAG(k) = 1;
break;
case 'l':
if (str[2] == '\0') /* no standard libraries */
@ -224,10 +243,24 @@ main(argc, argv)
LIBDIR = &str[2];
break;
case 'm':
m_flag = 1;
FLAG(m) = 1;
break;
#ifdef MANTRA
case 'N':
switch (str[2]) {
case 'c': /* no a.out conversion */
Nc_flag = 1;
break;
case 'l': /* no default options to led */
LD_FLAGS.al_argc = 0;
break;
default:
bad_option(str);
}
break;
#endif MANTRA
case 'o':
o_flag = 1;
FLAG(o) = 1;
if (argc-- < 0)
bad_option(str);
else
@ -246,58 +279,42 @@ main(argc, argv)
Roption(str);
break;
case 'S':
S_flag = 1;
FLAG(S) = 1;
break;
case 't':
t_flag = 1;
FLAG(t) = 1;
break;
case 'v': /* set debug switches */
v_flag = 1;
FLAG(v) = 1;
switch (str[2]) {
case 'd':
debug = 1;
break;
case 'n': /* no execute */
exec = 0;
break;
case '\0':
break;
default:
bad_option(str);
}
break;
case 'V':
V_FLAG = str;
break;
case 'e':
case 'F':
case 'd':
case 'n':
case 'N':
case 'r':
case 's':
case 'u':
case 'x':
case 'X':
case 'z':
append(&LD_FLAGS, str);
break;
default:
append(&CEM_FLAGS, str);
append(&LD_FLAGS, str);
}
}
if (debug)
report("Note: debug output");
if (debug) report("Note: debug output");
if (exec == 0)
report("Note: no execution");
count = SRCFILES.al_argc;
argvec = &(SRCFILES.al_argv[0]);
Nfile[0] = '\0';
while (count-- > 0) {
basename(file = *argvec++, BASE);
if (E_flag) {
if (FLAG(E)) {
char ifile[USTR_SIZE];
init(call);
@ -305,12 +322,10 @@ main(argc, argv)
concat(call, &DEBUG_FLAGS);
concat(call, &PP_FLAGS);
append(call, file);
runvec(call, P_flag ? mkname(ifile, BASE, ".i") : 0);
runvec(call, FLAG(P) ? mkname(ifile, BASE, ".i") : 0);
continue;
}
ext = extension(file);
/* .c to .k and .N */
if (ext == 'c' || ext == 'i') {
init(call);
@ -322,7 +337,6 @@ main(argc, argv)
append(call, file);
append(call, mkname(kfile, BASE, ".k"));
append(call, mkname(Nfile, BASE, ".N"));
if (runvec(call, (char *)0)) {
file = kfile;
ext = 'k';
@ -335,7 +349,6 @@ main(argc, argv)
continue;
}
}
/* .e to .k */
if (ext == 'e') {
init(call);
@ -348,14 +361,11 @@ main(argc, argv)
file = kfile;
ext = 'k';
}
if (k_flag)
if (FLAG(k))
continue;
/* decode .k or .m */
if (e_flag && (ext == 'k' || ext == 'm')) {
if (FLAG(e) && (ext == 'k' || ext == 'm')) {
char efile[USTR_SIZE];
init(call);
append(call, DECODE);
concat(call, &DECODE_FLAGS);
@ -365,7 +375,6 @@ main(argc, argv)
cleanup(kfile);
continue;
}
/* .k to .m */
if (ext == 'k') {
init(call);
@ -378,10 +387,8 @@ main(argc, argv)
ext = 'm';
cleanup(kfile);
}
if (m_flag)
if (FLAG(m))
continue;
/* .m to .s */
if (ext == 'm') {
init(call);
@ -392,29 +399,32 @@ main(argc, argv)
if (runvec(call, (char *)0) == 0)
continue;
if (Nfile[0] != '\0') {
#ifndef MANTRA
init(call);
append(call, AS_FIX);
append(call, Nfile);
append(call, sfile);
runvec(call, (char *)0);
#endif MANTRA
remove(Nfile);
}
cleanup(mfile);
file = sfile;
ext = 's';
}
if (S_flag)
if (FLAG(S))
continue;
/* .s to .o */
if (ext == 's') {
ldfile = c_flag ?
ldfile = FLAG(c) ?
ofile :
alloc((unsigned)strlen(BASE) + 3);
init(call);
append(call, AS);
concat(call, &AS_FLAGS);
#ifdef MANTRA
append(call, "-");
#endif MANTRA
append(call, "-o");
append(call, mkname(ldfile, BASE, ".o"));
append(call, file);
@ -424,24 +434,25 @@ main(argc, argv)
ext = 'o';
cleanup(sfile);
}
if (c_flag)
if (FLAG(c))
continue;
append(&LDFILES, file);
if (ldfile) {
append(&GEN_LDFILES, ldfile);
ldfile = 0;
}
}
/* *.o to a.out */
if (RET_CODE == 0 && LDFILES.al_argc > 0) {
init(call);
append(call, LD);
concat(call, &LD_FLAGS);
append(call, "-o");
#ifndef MANTRA
append(call, o_FILE);
#else MANTRA
append(call, Nc_flag ? o_FILE : cv_FILE);
#endif MANTRA
concat(call, &LD_HEAD);
concat(call, &LDFILES);
concat(call, &LD_TAIL);
@ -450,29 +461,40 @@ main(argc, argv)
while (i-- > 0)
remove(GEN_LDFILES.al_argv[i]);
#ifdef MANTRA
/* convert to local a.out format */
if (Nc_flag == 0) {
init(call);
append(call, CV);
concat(call, &CV_FLAGS);
append(call, cv_FILE);
append(call, o_FILE);
if (runvec(call, (char *)0))
remove(cv_FILE);
}
#endif MANTRA
}
}
exit(RET_CODE);
}
#define BUFSIZE (USTR_SIZE * MAXARGC)
char alloc_buf[BUFSIZE];
char *
alloc(u)
unsigned u;
{
#define BUFSIZE (USTR_SIZE * MAXARGC)
static char buf[BUFSIZE];
static char *bufptr = &buf[0];
static char *bufptr = &alloc_buf[0];
register char *p = bufptr;
if ((bufptr += u) >= &buf[BUFSIZE])
if ((bufptr += u) >= &alloc_buf[BUFSIZE])
panic("no space");
return p;
}
append(al, arg)
struct arglist *al;
register struct arglist *al;
char *arg;
{
if (al->al_argc >= MAXARGC)
@ -483,7 +505,7 @@ append(al, arg)
concat(al1, al2)
struct arglist *al1, *al2;
{
register i = al2->al_argc;
register int i = al2->al_argc;
register char **p = &(al1->al_argv[al1->al_argc]);
register char **q = &(al2->al_argv[0]);
@ -520,9 +542,8 @@ Roption(str)
char *prog, *arg;
char bc;
char *cindex();
prog = &str[2];
prog = &str[2];
if (eq = cindex(prog, '='))
bc = '=';
else
@ -532,17 +553,14 @@ Roption(str)
bad_option(str);
return;
}
*eq++ = '\0';
if (arg = eq) {
char *opt = 0;
struct prog *pp = &ProgParts[0];
if (bc == '-') {
if (bc == '-')
opt = mkstr(alloc((unsigned)strlen(arg) + 2),
"-", arg, 0);
}
while (pp->p_name) {
if (strcmp(prog, pp->p_name) == 0) {
if (opt)
@ -570,7 +588,7 @@ basename(str, dst)
p1--;
if (*--p1 == '.')
*p1 = '\0';
while (*dst++ = *p2++);
while (*dst++ = *p2++) {}
*p1 = '.';
}
@ -580,7 +598,7 @@ extension(fn)
{
char c;
while (*fn++) ;
while (*fn++) {}
fn--;
c = *--fn;
return (*--fn == '.') ? c : 0;
@ -625,30 +643,27 @@ runvec(vec, outp)
char *task = vec->al_argv[1];
vec->al_argv[vec->al_argc] = 0;
if (v_flag)
if (FLAG(v))
print_vec(vec);
if (exec == 0)
return 1;
if (fork() == 0) { /* start up the process */
extern int errno;
if (outp) { /* redirect standard output */
close(1);
if ((fd = creat(outp, 0666)) < 0)
panic("cannot create %s", outp);
if (dup2(fd, 1) == -1)
panic("dup failure");
close(fd);
if (fd != 1)
panic("illegal redirection");
}
if (debug) report("exec %s", task);
execv(task, &(vec->al_argv[1]));
/* not an a.out file, let's try it with the SHELL */
if (debug) report("try it with %s", SHELL);
if (errno == ENOEXEC) {
vec->al_argv[0] = SHELL;
execv(SHELL, &(vec->al_argv[0]));
}
/* failed, so ... */
panic("cannot execute %s", task);
exit(1);