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- #include <ctype.h>
- #define EXTERN
- #include "a.h"
- #include "y.tab.h"
- void
- main(int argc, char *argv[])
- {
- char *p;
- int nout, nproc, status, i, c;
- thechar = 'k';
- thestring = "sparc";
- memset(debug, 0, sizeof(debug));
- cinit();
- outfile = 0;
- include[ninclude++] = ".";
- ARGBEGIN {
- default:
- c = ARGC();
- if(c >= 0 || c < sizeof(debug))
- debug[c] = 1;
- break;
- case 'o':
- outfile = ARGF();
- break;
- case 'D':
- p = ARGF();
- if(p)
- Dlist[nDlist++] = p;
- break;
- case 'I':
- p = ARGF();
- setinclude(p);
- break;
- } ARGEND
- if(*argv == 0) {
- print("usage: %ca [-options] file.s\n", thechar);
- errorexit();
- }
- if(argc > 1 && systemtype(Windows)){
- print("can't assemble multiple files on windows\n");
- errorexit();
- }
- if(argc > 1 && !systemtype(Windows)) {
- nproc = 1;
- if(p = getenv("NPROC"))
- nproc = atol(p); /* */
- c = 0;
- nout = 0;
- for(;;) {
- while(nout < nproc && argc > 0) {
- i = myfork();
- if(i < 0) {
- i = mywait(&status);
- if(i < 0)
- errorexit();
- if(status)
- c++;
- nout--;
- continue;
- }
- if(i == 0) {
- print("%s:\n", *argv);
- if(assemble(*argv))
- errorexit();
- exits(0);
- }
- nout++;
- argc--;
- argv++;
- }
- i = mywait(&status);
- if(i < 0) {
- if(c)
- errorexit();
- exits(0);
- }
- if(status)
- c++;
- nout--;
- }
- }
- if(assemble(argv[0]))
- errorexit();
- exits(0);
- }
- int
- assemble(char *file)
- {
- char ofile[100], incfile[20], *p;
- int i, of;
- strcpy(ofile, file);
- p = utfrrune(ofile, pathchar());
- if(p) {
- include[0] = ofile;
- *p++ = 0;
- } else
- p = ofile;
- if(outfile == 0) {
- outfile = p;
- if(outfile){
- p = utfrrune(outfile, '.');
- if(p)
- if(p[1] == 's' && p[2] == 0)
- p[0] = 0;
- p = utfrune(outfile, 0);
- p[0] = '.';
- p[1] = thechar;
- p[2] = 0;
- } else
- outfile = "/dev/null";
- }
- p = getenv("INCLUDE");
- if(p) {
- setinclude(p);
- } else {
- if(systemtype(Plan9)) {
- sprint(incfile,"/%s/include", thestring);
- setinclude(strdup(incfile));
- }
- }
- of = mycreat(outfile, 0664);
- if(of < 0) {
- yyerror("%ca: cannot create %s", thechar, outfile);
- errorexit();
- }
- Binit(&obuf, of, OWRITE);
- pass = 1;
- pinit(file);
- for(i=0; i<nDlist; i++)
- dodefine(Dlist[i]);
- yyparse();
- if(nerrors) {
- cclean();
- return nerrors;
- }
- pass = 2;
- outhist();
- pinit(file);
- for(i=0; i<nDlist; i++)
- dodefine(Dlist[i]);
- yyparse();
- cclean();
- return nerrors;
- }
- struct
- {
- char *name;
- ushort type;
- ushort value;
- } itab[] =
- {
- "SP", LSP, D_AUTO,
- "SB", LSB, D_EXTERN,
- "FP", LFP, D_PARAM,
- "PC", LPC, D_BRANCH,
- "FSR", LFSR, D_FSR,
- "CSR", LFSR, D_CSR,
- "FQ", LFPQ, D_FPQ,
- "CQ", LFPQ, D_CPQ,
- "Y", LPSR, D_Y,
- "PSR", LPSR, D_PSR,
- "WIM", LPSR, D_WIM,
- "TBR", LPSR, D_TBR,
- "R", LR, 0,
- "R0", LREG, 0,
- "R1", LREG, 1,
- "R2", LREG, 2,
- "R3", LREG, 3,
- "R4", LREG, 4,
- "R5", LREG, 5,
- "R6", LREG, 6,
- "R7", LREG, 7,
- "R8", LREG, 8,
- "R9", LREG, 9,
- "R10", LREG, 10,
- "R11", LREG, 11,
- "R12", LREG, 12,
- "R13", LREG, 13,
- "R14", LREG, 14,
- "R15", LREG, 15,
- "R16", LREG, 16,
- "R17", LREG, 17,
- "R18", LREG, 18,
- "R19", LREG, 19,
- "R20", LREG, 20,
- "R21", LREG, 21,
- "R22", LREG, 22,
- "R23", LREG, 23,
- "R24", LREG, 24,
- "R25", LREG, 25,
- "R26", LREG, 26,
- "R27", LREG, 27,
- "R28", LREG, 28,
- "R29", LREG, 29,
- "R30", LREG, 30,
- "R31", LREG, 31,
- "C", LC, 0,
- "C0", LCREG, 0,
- "C1", LCREG, 1,
- "C2", LCREG, 2,
- "C3", LCREG, 3,
- "C4", LCREG, 4,
- "C5", LCREG, 5,
- "C6", LCREG, 6,
- "C7", LCREG, 7,
- "C8", LCREG, 8,
- "C9", LCREG, 9,
- "C10", LCREG, 10,
- "C11", LCREG, 11,
- "C12", LCREG, 12,
- "C13", LCREG, 13,
- "C14", LCREG, 14,
- "C15", LCREG, 15,
- "C16", LCREG, 16,
- "C17", LCREG, 17,
- "C18", LCREG, 18,
- "C19", LCREG, 19,
- "C20", LCREG, 20,
- "C21", LCREG, 21,
- "C22", LCREG, 22,
- "C23", LCREG, 23,
- "C24", LCREG, 24,
- "C25", LCREG, 25,
- "C26", LCREG, 26,
- "C27", LCREG, 27,
- "C28", LCREG, 28,
- "C29", LCREG, 29,
- "C30", LCREG, 30,
- "C31", LCREG, 31,
- "F", LF, 0,
- "F0", LFREG, 0,
- "F2", LFREG, 2,
- "F4", LFREG, 4,
- "F6", LFREG, 6,
- "F8", LFREG, 8,
- "F10", LFREG, 10,
- "F12", LFREG, 12,
- "F14", LFREG, 14,
- "F16", LFREG, 16,
- "F18", LFREG, 18,
- "F20", LFREG, 20,
- "F22", LFREG, 22,
- "F24", LFREG, 24,
- "F26", LFREG, 26,
- "F28", LFREG, 28,
- "F30", LFREG, 30,
- "F1", LFREG, 1,
- "F3", LFREG, 3,
- "F5", LFREG, 5,
- "F7", LFREG, 7,
- "F9", LFREG, 9,
- "F11", LFREG, 11,
- "F13", LFREG, 13,
- "F15", LFREG, 15,
- "F17", LFREG, 17,
- "F19", LFREG, 19,
- "F21", LFREG, 21,
- "F23", LFREG, 23,
- "F25", LFREG, 25,
- "F27", LFREG, 27,
- "F29", LFREG, 29,
- "F31", LFREG, 31,
- "ADD", LADDW, AADD,
- "ADDCC", LADDW, AADDCC,
- "ADDX", LADDW, AADDX,
- "ADDXCC", LADDW, AADDXCC,
- "AND", LADDW, AAND,
- "ANDCC", LADDW, AANDCC,
- "ANDN", LADDW, AANDN,
- "ANDNCC", LADDW, AANDNCC,
- "BA", LBRA, ABA,
- "BCC", LBRA, ABCC,
- "BCS", LBRA, ABCS,
- "BE", LBRA, ABE,
- "BG", LBRA, ABG,
- "BGE", LBRA, ABGE,
- "BGU", LBRA, ABGU,
- "BL", LBRA, ABL,
- "BLE", LBRA, ABLE,
- "BLEU", LBRA, ABLEU,
- "BN", LBRA, ABN,
- "BNE", LBRA, ABNE,
- "BNEG", LBRA, ABNEG,
- "BPOS", LBRA, ABPOS,
- "BVC", LBRA, ABVC,
- "BVS", LBRA, ABVS,
- "CB0", LBRA, ACB0,
- "CB01", LBRA, ACB01,
- "CB012", LBRA, ACB012,
- "CB013", LBRA, ACB013,
- "CB02", LBRA, ACB02,
- "CB023", LBRA, ACB023,
- "CB03", LBRA, ACB03,
- "CB1", LBRA, ACB1,
- "CB12", LBRA, ACB12,
- "CB123", LBRA, ACB123,
- "CB13", LBRA, ACB13,
- "CB2", LBRA, ACB2,
- "CB23", LBRA, ACB23,
- "CB3", LBRA, ACB3,
- "CBA", LBRA, ACBA,
- "CBN", LBRA, ACBN,
- "CMP", LCMP, ACMP,
- "CPOP1", LCPOP, ACPOP1,
- "CPOP2", LCPOP, ACPOP2,
- "DATA", LDATA, ADATA,
- "DIV", LADDW, ADIV,
- "DIVL", LADDW, ADIVL,
- "END", LEND, AEND,
- "FABSD", LFCONV, AFABSD,
- "FABSF", LFCONV, AFABSF,
- "FABSX", LFCONV, AFABSX,
- "FADDD", LFADD, AFADDD,
- "FADDF", LFADD, AFADDF,
- "FADDX", LFADD, AFADDX,
- "FBA", LBRA, AFBA,
- "FBE", LBRA, AFBE,
- "FBG", LBRA, AFBG,
- "FBGE", LBRA, AFBGE,
- "FBL", LBRA, AFBL,
- "FBLE", LBRA, AFBLE,
- "FBLG", LBRA, AFBLG,
- "FBN", LBRA, AFBN,
- "FBNE", LBRA, AFBNE,
- "FBO", LBRA, AFBO,
- "FBU", LBRA, AFBU,
- "FBUE", LBRA, AFBUE,
- "FBUG", LBRA, AFBUG,
- "FBUGE", LBRA, AFBUGE,
- "FBUL", LBRA, AFBUL,
- "FBULE", LBRA, AFBULE,
- "FCMPD", LFADD, AFCMPD,
- "FCMPED", LFADD, AFCMPED,
- "FCMPEF", LFADD, AFCMPEF,
- "FCMPEX", LFADD, AFCMPEX,
- "FCMPF", LFADD, AFCMPF,
- "FCMPX", LFADD, AFCMPX,
- "FDIVD", LFADD, AFDIVD,
- "FDIVF", LFADD, AFDIVF,
- "FDIVX", LFADD, AFDIVX,
- "FMOVD", LFMOV, AFMOVD,
- "FMOVDF", LFCONV, AFMOVDF,
- "FMOVDW", LFCONV, AFMOVDW,
- "FMOVDX", LFCONV, AFMOVDX,
- "FMOVF", LFMOV, AFMOVF,
- "FMOVFD", LFCONV, AFMOVFD,
- "FMOVFW", LFCONV, AFMOVFW,
- "FMOVFX", LFCONV, AFMOVFX,
- "FMOVWD", LFCONV, AFMOVWD,
- "FMOVWF", LFCONV, AFMOVWF,
- "FMOVWX", LFCONV, AFMOVWX,
- "FMOVX", LFCONV, AFMOVX,
- "FMOVXD", LFCONV, AFMOVXD,
- "FMOVXF", LFCONV, AFMOVXF,
- "FMOVXW", LFCONV, AFMOVXW,
- "FMULD", LFADD, AFMULD,
- "FMULF", LFADD, AFMULF,
- "FMULX", LFADD, AFMULX,
- "FNEGD", LFCONV, AFNEGD,
- "FNEGF", LFCONV, AFNEGF,
- "FNEGX", LFCONV, AFNEGX,
- "FSQRTD", LFCONV, AFSQRTD,
- "FSQRTF", LFCONV, AFSQRTF,
- "FSQRTX", LFCONV, AFSQRTX,
- "FSUBD", LFADD, AFSUBD,
- "FSUBF", LFADD, AFSUBF,
- "FSUBX", LFADD, AFSUBX,
- "GLOBL", LTEXT, AGLOBL,
- "IFLUSH", LFLUSH, AIFLUSH,
- "JMPL", LJMPL, AJMPL,
- "JMP", LJMPL, AJMP,
- "MOD", LADDW, AMOD,
- "MODL", LADDW, AMODL,
- "MOVB", LMOVB, AMOVB,
- "MOVBU", LMOVB, AMOVBU,
- "MOVD", LMOVD, AMOVD,
- "MOVH", LMOVB, AMOVH,
- "MOVHU", LMOVB, AMOVHU,
- "MOVW", LMOVW, AMOVW,
- "MUL", LADDW, AMUL,
- "MULSCC", LADDW, AMULSCC,
- "NOP", LNOP, ANOP,
- "OR", LADDW, AOR,
- "ORCC", LADDW, AORCC,
- "ORN", LADDW, AORN,
- "ORNCC", LADDW, AORNCC,
- "RESTORE", LADDW, ARESTORE,
- "RETT", LRETT, ARETT,
- "RETURN", LRETRN, ARETURN,
- "SAVE", LADDW, ASAVE,
- "SLL", LADDW, ASLL,
- "SRA", LADDW, ASRA,
- "SRL", LADDW, ASRL,
- "SUB", LADDW, ASUB,
- "SUBCC", LADDW, ASUBCC,
- "SUBX", LADDW, ASUBX,
- "SUBXCC", LADDW, ASUBXCC,
- "SWAP", LSWAP, ASWAP,
- "TA", LTRAP, ATA,
- "TADDCC", LADDW, ATADDCC,
- "TADDCCTV", LADDW, ATADDCCTV,
- "TAS", LSWAP, ATAS,
- "TCC", LTRAP, ATCC,
- "TCS", LTRAP, ATCS,
- "TE", LTRAP, ATE,
- "TEXT", LTEXT, ATEXT,
- "TG", LTRAP, ATG,
- "TGE", LTRAP, ATGE,
- "TGU", LTRAP, ATGU,
- "TL", LTRAP, ATL,
- "TLE", LTRAP, ATLE,
- "TLEU", LTRAP, ATLEU,
- "TN", LTRAP, ATN,
- "TNE", LTRAP, ATNE,
- "TNEG", LTRAP, ATNEG,
- "TPOS", LTRAP, ATPOS,
- "TSUBCC", LADDW, ATSUBCC,
- "TSUBCCTV", LADDW, ATSUBCCTV,
- "TVC", LTRAP, ATVC,
- "TVS", LTRAP, ATVS,
- "UNIMP", LUNIMP, AUNIMP,
- "WORD", LUNIMP, AWORD,
- "XNOR", LADDW, AXNOR,
- "XNORCC", LADDW, AXNORCC,
- "XOR", LXORW, AXOR,
- "XORCC", LADDW, AXORCC,
- "SCHED", LSCHED, 0,
- "NOSCHED", LSCHED, 0x80,
- 0
- };
- void
- cinit(void)
- {
- Sym *s;
- int i;
- nullgen.sym = S;
- nullgen.offset = 0;
- nullgen.type = D_NONE;
- nullgen.name = D_NONE;
- nullgen.reg = NREG;
- nullgen.xreg = NREG;
- if(FPCHIP)
- nullgen.dval = 0;
- for(i=0; i<sizeof(nullgen.sval); i++)
- nullgen.sval[i] = 0;
- nerrors = 0;
- iostack = I;
- iofree = I;
- peekc = IGN;
- nhunk = 0;
- for(i=0; i<NHASH; i++)
- hash[i] = S;
- for(i=0; itab[i].name; i++) {
- s = slookup(itab[i].name);
- s->type = itab[i].type;
- s->value = itab[i].value;
- }
- pathname = allocn(pathname, 0, 100);
- if(mygetwd(pathname, 99) == 0) {
- pathname = allocn(pathname, 100, 900);
- if(mygetwd(pathname, 999) == 0)
- strcpy(pathname, "/???");
- }
- }
- void
- syminit(Sym *s)
- {
- s->type = LNAME;
- s->value = 0;
- }
- void
- cclean(void)
- {
- outcode(AEND, &nullgen, NREG, &nullgen);
- Bflush(&obuf);
- }
- void
- zname(char *n, int t, int s)
- {
- Bputc(&obuf, ANAME);
- Bputc(&obuf, t); /* type */
- Bputc(&obuf, s); /* sym */
- while(*n) {
- Bputc(&obuf, *n);
- n++;
- }
- Bputc(&obuf, 0);
- }
- void
- zaddr(Gen *a, int s)
- {
- long l;
- int i;
- char *n;
- Ieee e;
- Bputc(&obuf, a->type);
- Bputc(&obuf, a->reg);
- Bputc(&obuf, s);
- Bputc(&obuf, a->name);
- switch(a->type) {
- default:
- print("unknown type %d\n", a->type);
- exits("arg");
- case D_NONE:
- case D_REG:
- case D_FREG:
- case D_CREG:
- case D_PREG:
- break;
- case D_OREG:
- case D_ASI:
- case D_CONST:
- case D_BRANCH:
- l = a->offset;
- Bputc(&obuf, l);
- Bputc(&obuf, l>>8);
- Bputc(&obuf, l>>16);
- Bputc(&obuf, l>>24);
- break;
- case D_SCONST:
- n = a->sval;
- for(i=0; i<NSNAME; i++) {
- Bputc(&obuf, *n);
- n++;
- }
- break;
- case D_FCONST:
- ieeedtod(&e, a->dval);
- Bputc(&obuf, e.l);
- Bputc(&obuf, e.l>>8);
- Bputc(&obuf, e.l>>16);
- Bputc(&obuf, e.l>>24);
- Bputc(&obuf, e.h);
- Bputc(&obuf, e.h>>8);
- Bputc(&obuf, e.h>>16);
- Bputc(&obuf, e.h>>24);
- break;
- }
- }
- void
- outcode(int a, Gen *g1, int reg, Gen *g2)
- {
- int sf, st, t;
- Sym *s;
- if(pass == 1)
- goto out;
- if(g1->xreg != NREG) {
- if(reg != NREG || g2->xreg != NREG)
- yyerror("bad addressing modes");
- reg = g1->xreg;
- } else
- if(g2->xreg != NREG) {
- if(reg != NREG)
- yyerror("bad addressing modes");
- reg = g2->xreg;
- }
- jackpot:
- sf = 0;
- s = g1->sym;
- while(s != S) {
- sf = s->sym;
- if(sf < 0 || sf >= NSYM)
- sf = 0;
- t = g1->name;
- if(h[sf].type == t)
- if(h[sf].sym == s)
- break;
- zname(s->name, t, sym);
- s->sym = sym;
- h[sym].sym = s;
- h[sym].type = t;
- sf = sym;
- sym++;
- if(sym >= NSYM)
- sym = 1;
- break;
- }
- st = 0;
- s = g2->sym;
- while(s != S) {
- st = s->sym;
- if(st < 0 || st >= NSYM)
- st = 0;
- t = g2->name;
- if(h[st].type == t)
- if(h[st].sym == s)
- break;
- zname(s->name, t, sym);
- s->sym = sym;
- h[sym].sym = s;
- h[sym].type = t;
- st = sym;
- sym++;
- if(sym >= NSYM)
- sym = 1;
- if(st == sf)
- goto jackpot;
- break;
- }
- Bputc(&obuf, a);
- Bputc(&obuf, reg|nosched);
- Bputc(&obuf, lineno);
- Bputc(&obuf, lineno>>8);
- Bputc(&obuf, lineno>>16);
- Bputc(&obuf, lineno>>24);
- zaddr(g1, sf);
- zaddr(g2, st);
- out:
- if(a != AGLOBL && a != ADATA)
- pc++;
- }
- void
- outhist(void)
- {
- Gen g;
- Hist *h;
- char *p, *q, *op, c;
- int n;
- g = nullgen;
- c = pathchar();
- for(h = hist; h != H; h = h->link) {
- p = h->name;
- op = 0;
- /* on windows skip drive specifier in pathname */
- if(systemtype(Windows) && p && p[1] == ':'){
- p += 2;
- c = *p;
- }
- if(p && p[0] != c && h->offset == 0 && pathname){
- /* on windows skip drive specifier in pathname */
- if(systemtype(Windows) && pathname[1] == ':') {
- op = p;
- p = pathname+2;
- c = *p;
- } else if(pathname[0] == c){
- op = p;
- p = pathname;
- }
- }
- while(p) {
- q = strchr(p, c);
- if(q) {
- n = q-p;
- if(n == 0){
- n = 1; /* leading "/" */
- *p = '/'; /* don't emit "\" on windows */
- }
- q++;
- } else {
- n = strlen(p);
- q = 0;
- }
- if(n) {
- Bputc(&obuf, ANAME);
- Bputc(&obuf, D_FILE); /* type */
- Bputc(&obuf, 1); /* sym */
- Bputc(&obuf, '<');
- Bwrite(&obuf, p, n);
- Bputc(&obuf, 0);
- }
- p = q;
- if(p == 0 && op) {
- p = op;
- op = 0;
- }
- }
- g.offset = h->offset;
- Bputc(&obuf, AHISTORY);
- Bputc(&obuf, 0);
- Bputc(&obuf, h->line);
- Bputc(&obuf, h->line>>8);
- Bputc(&obuf, h->line>>16);
- Bputc(&obuf, h->line>>24);
- zaddr(&nullgen, 0);
- zaddr(&g, 0);
- }
- }
- #include "../cc/lexbody"
- #include "../cc/macbody"
- #include "../cc/compat"
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