void
main(int argc, char *argv[])
{
int c;
char *a;
char name[LIBNAMELEN];
Binit(&bso, 1, OWRITE);
cout = -1;
listinit();
outfile = 0;
nerrors = 0;
curtext = P;
HEADTYPE = -1;
INITTEXT = -1;
INITTEXTP = -1;
INITDAT = -1;
INITRND = -1;
INITENTRY = 0;
ARGBEGIN {
default:
c = ARGC();
if(c >= 0 && c < sizeof(debug))
debug[c]++;
break;
case 'o':
outfile = ARGF();
break;
case 'E':
a = ARGF();
if(a)
INITENTRY = a;
break;
case 'L':
addlibpath(EARGF(usage()));
break;
case 'T':
a = ARGF();
if(a)
INITTEXT = atolwhex(a);
break;
case 'P':
a = ARGF();
if(a)
INITTEXTP = atolwhex(a);
break;
case 'D':
a = ARGF();
if(a)
INITDAT = atolwhex(a);
break;
case 'R':
a = ARGF();
if(a)
INITRND = atolwhex(a);
break;
case 'H':
a = ARGF();
if(a)
HEADTYPE = atolwhex(a);
/* do something about setting INITTEXT */
break;
case 'x': /* produce export table */
doexp = 1;
if(argv[1] != nil && argv[1][0] != '-' && !isobjfile(argv[1]))
readundefs(ARGF(), SEXPORT);
break;
case 'u': /* produce dynamically loadable module */
dlm = 1;
if(argv[1] != nil && argv[1][0] != '-' && !isobjfile(argv[1]))
readundefs(ARGF(), SIMPORT);
break;
} ARGEND
USED(argc);
if(*argv == 0)
usage();
if(!debug['9'] && !debug['U'] && !debug['B'])
debug[DEFAULT] = 1;
a = getenv("ccroot");
if(a != nil && *a != '\0') {
if(!fileexists(a)) {
diag("nonexistent $ccroot: %s", a);
errorexit();
}
}else
a = "";
snprint(name, sizeof(name), "%s/%s/lib", a, thestring);
addlibpath(name);
if(HEADTYPE == -1) {
if(debug['U'])
HEADTYPE = 0;
if(debug['B'])
HEADTYPE = 1;
if(debug['9'])
HEADTYPE = 2;
}
switch(HEADTYPE) {
default:
diag("unknown -H option");
errorexit();
case 0: /* no header */
case 6: /* no header, padded segments */
HEADR = 0L;
if(INITTEXT == -1)
INITTEXT = 0;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 4;
break;
case 1: /* aif for risc os */
HEADR = 128L;
if(INITTEXT == -1)
INITTEXT = 0x10005000 + HEADR;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 4;
break;
case 2: /* plan 9 */
HEADR = 32L;
if(INITTEXT == -1)
INITTEXT = 4128;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 4096;
break;
case 3: /* boot for NetBSD */
HEADR = 32L;
if(INITTEXT == -1)
INITTEXT = 0xF0000020L;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 4096;
break;
case 4: /* boot for IXP1200 */
HEADR = 0L;
if(INITTEXT == -1)
INITTEXT = 0x0;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 4;
break;
case 5: /* boot for ipaq */
HEADR = 16L;
if(INITTEXT == -1)
INITTEXT = 0xC0008010;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 1024;
break;
case 7: /* elf executable */
HEADR = rnd(Ehdr32sz+3*Phdr32sz, 16);
if(INITTEXT == -1)
INITTEXT = 4096+HEADR;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 4;
break;
}
if (INITTEXTP == -1)
INITTEXTP = INITTEXT;
if(INITDAT != 0 && INITRND != 0)
print("warning: -D0x%lux is ignored because of -R0x%lux\n",
INITDAT, INITRND);
if(debug['v'])
Bprint(&bso, "HEADER = -H0x%d -T0x%lux -D0x%lux -R0x%lux\n",
HEADTYPE, INITTEXT, INITDAT, INITRND);
Bflush(&bso);
zprg.as = AGOK;
zprg.scond = 14;
zprg.reg = NREG;
zprg.from.name = D_NONE;
zprg.from.type = D_NONE;
zprg.from.reg = NREG;
zprg.to = zprg.from;
buildop();
histgen = 0;
textp = P;
datap = P;
pc = 0;
dtype = 4;
if(outfile == 0)
outfile = "5.out";
cout = create(outfile, 1, 0775);
if(cout < 0) {
diag("cannot create %s: %r", outfile);
errorexit();
}
nuxiinit();
version = 0;
cbp = buf.cbuf;
cbc = sizeof(buf.cbuf);
firstp = prg();
lastp = firstp;
if(INITENTRY == 0) {
INITENTRY = "_main";
if(debug['p'])
INITENTRY = "_mainp";
if(!debug['l'])
lookup(INITENTRY, 0)->type = SXREF;
} else if(!(*INITENTRY >= '0' && *INITENTRY <= '9'))
lookup(INITENTRY, 0)->type = SXREF;
while(*argv)
objfile(*argv++);
if(!debug['l'])
loadlib();
firstp = firstp->link;
if(firstp == P)
goto out;
if(doexp || dlm){
EXPTAB = "_exporttab";
zerosig(EXPTAB);
zerosig("etext");
zerosig("edata");
zerosig("end");
if(dlm){
initdiv();
import();
HEADTYPE = 2;
INITTEXT = INITDAT = 0;
INITRND = 8;
INITENTRY = EXPTAB;
}
else
divsig();
export();
void
main(int argc, char *argv[])
{
int c, i;
Binit(&bso, 1, OWRITE);
cout = -1;
listinit();
nerrors = 0;
curtext = P;
outfile = "5.out";
HEADTYPE = -1;
INITTEXT = -1;
INITDAT = -1;
INITRND = -1;
INITENTRY = 0;
ARGBEGIN {
default:
c = ARGC();
if(c == 'l')
usage();
if(c >= 0 && c < sizeof(debug))
debug[c]++;
break;
case 'o':
outfile = EARGF(usage());
break;
case 'E':
INITENTRY = EARGF(usage());
break;
case 'L':
Lflag(EARGF(usage()));
break;
case 'T':
INITTEXT = atolwhex(EARGF(usage()));
break;
case 'D':
INITDAT = atolwhex(EARGF(usage()));
break;
case 'R':
INITRND = atolwhex(EARGF(usage()));
break;
case 'r':
rpath = EARGF(usage());
break;
case 'H':
HEADTYPE = atolwhex(EARGF(usage()));
/* do something about setting INITTEXT */
break;
case 'x': /* produce export table */
doexp = 1;
if(argv[1] != nil && argv[1][0] != '-' && !isobjfile(argv[1]))
readundefs(ARGF(), SEXPORT);
break;
case 'u': /* produce dynamically loadable module */
dlm = 1;
if(argv[1] != nil && argv[1][0] != '-' && !isobjfile(argv[1]))
readundefs(ARGF(), SIMPORT);
break;
case 'V':
print("%cl version %s\n", thechar, getgoversion());
errorexit();
} ARGEND
USED(argc);
if(argc != 1)
usage();
libinit();
if(!debug['9'] && !debug['U'] && !debug['B'])
debug[DEFAULT] = 1;
if(HEADTYPE == -1) {
if(debug['U'])
HEADTYPE = 0;
if(debug['B'])
HEADTYPE = 1;
if(debug['9'])
HEADTYPE = 2;
HEADTYPE = 6;
}
switch(HEADTYPE) {
default:
diag("unknown -H option");
errorexit();
case 0: /* no header */
HEADR = 0L;
if(INITTEXT == -1)
INITTEXT = 0;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 4;
break;
case 1: /* aif for risc os */
HEADR = 128L;
if(INITTEXT == -1)
INITTEXT = 0x10005000 + HEADR;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 4;
break;
case 2: /* plan 9 */
HEADR = 32L;
if(INITTEXT == -1)
INITTEXT = 4128;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 4096;
break;
case 3: /* boot for NetBSD */
HEADR = 32L;
if(INITTEXT == -1)
INITTEXT = 0xF0000020L;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 4096;
break;
case 4: /* boot for IXP1200 */
HEADR = 0L;
if(INITTEXT == -1)
INITTEXT = 0x0;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 4;
break;
case 5: /* boot for ipaq */
HEADR = 16L;
if(INITTEXT == -1)
INITTEXT = 0xC0008010;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 1024;
break;
case 6: /* arm elf */
debug['d'] = 1; // no dynamic linking
elfinit();
HEADR = ELFRESERVE;
if(INITTEXT == -1)
INITTEXT = 0x8000 + HEADR;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 4096;
break;
}
if(INITDAT != 0 && INITRND != 0)
print("warning: -D0x%lux is ignored because of -R0x%lux\n",
INITDAT, INITRND);
if(debug['v'])
Bprint(&bso, "HEADER = -H0x%d -T0x%lux -D0x%lux -R0x%lux\n",
HEADTYPE, INITTEXT, INITDAT, INITRND);
Bflush(&bso);
zprg.as = AGOK;
zprg.scond = 14;
zprg.reg = NREG;
zprg.from.name = D_NONE;
zprg.from.type = D_NONE;
zprg.from.reg = NREG;
zprg.to = zprg.from;
buildop();
thumbbuildop(); // could build on demand
histgen = 0;
textp = P;
datap = P;
edatap = P;
pc = 0;
dtype = 4;
nuxiinit();
version = 0;
cbp = buf.cbuf;
cbc = sizeof(buf.cbuf);
firstp = prg();
lastp = firstp;
addlibpath("command line", "command line", argv[0], "main");
loadlib();
// mark some functions that are only referenced after linker code editing
// TODO(kaib): this doesn't work, the prog can't be found in runtime
for(i=0; i<nelem(linkername); i++)
mark(lookup(linkername[i], 0));
deadcode();
firstp = firstp->link;
if(firstp == P)
goto out;
if(doexp || dlm){
EXPTAB = "_exporttab";
zerosig(EXPTAB);
zerosig("etext");
zerosig("edata");
zerosig("end");
if(dlm){
initdiv();
import();
HEADTYPE = 2;
INITTEXT = INITDAT = 0;
INITRND = 8;
INITENTRY = EXPTAB;
}
else
divsig();
export();
