#define EXTERN#include "l.h"#include <ar.h> #ifndef DEFAULT#define DEFAULT '9'#endif char *noname = "<none>";char symname[] = SYMDEF;char thechar = '8';char *thestring = "386";char *libdir; /* * -H0 -T0x40004C -D0x10000000 is garbage unix * -H1 -T0xd0 -R4 is unix coff * -H2 -T4128 -R4096 is plan9 format * -H3 -Tx -Rx is MS-DOS .COM * -H4 -Tx -Rx is fake MS-DOS .EXE * -H5 -T0x80100020 -R4096 is ELF */ voidusage(void){ diag("usage: %s [-options] objects", argv0); errorexit();} static intisobjfile(char *f){ int n, v; Biobuf *b; char buf1[5], buf2[SARMAG]; b = Bopen(f, OREAD); if(b == nil) return 0; n = Bread(b, buf1, 5); if(n == 5 && (buf1[2] == 1 && buf1[3] == '<' || buf1[3] == 1 && buf1[4] == '<')) v = 1; /* good enough for our purposes */ else{ Bseek(b, 0, 0); n = Bread(b, buf2, SARMAG); v = n == SARMAG && strncmp(buf2, ARMAG, SARMAG) == 0; } Bterm(b); return v;} voidmain(int argc, char *argv[]){ int i, c; char *a; Binit(&bso, 1, OWRITE); cout = -1; listinit(); memset(debug, 0, sizeof(debug)); nerrors = 0; outfile = "8.out"; 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': /* output to (next arg) */ outfile = ARGF(); break; case 'E': a = ARGF(); if(a) INITENTRY = a; break; case 'H': a = ARGF(); if(a) HEADTYPE = atolwhex(a); break; case 'L': libdir = 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 'x': /* produce export table */ doexp = 1; if(argv[1] != nil && argv[1][0] != '-' && !isobjfile(argv[1])){ a = ARGF(); if(strcmp(a, "*") == 0) allexport = 1; else readundefs(a, SEXPORT); } break; case 'u': /* produce dynamically loadable module */ dlm = 1; debug['l']++; if(argv[1] != nil && argv[1][0] != '-' && !isobjfile(argv[1])) readundefs(ARGF(), SIMPORT); break; } ARGEND USED(argc); if(*argv == nil) usage(); if(!debug['9'] && !debug['U'] && !debug['B']) debug[DEFAULT] = 1; if(HEADTYPE == -1) { if(debug['U']) HEADTYPE = 1; if(debug['B']) HEADTYPE = 2; if(debug['9']) HEADTYPE = 2; } switch(HEADTYPE) { default: diag("unknown -H option"); errorexit(); case 0: /* this is garbage */ HEADR = 20L+56L; if(INITTEXT == -1) INITTEXT = 0x40004CL; if(INITDAT == -1) INITDAT = 0x10000000L; if(INITRND == -1) INITRND = 0; break; case 1: /* is unix coff */ HEADR = 0xd0L; if(INITTEXT == -1) INITTEXT = 0xd0; if(INITDAT == -1) INITDAT = 0x400000; if(INITRND == -1) INITRND = 0; break; case 2: /* plan 9 */ HEADR = 32L; if(INITTEXT == -1) INITTEXT = 4096+32; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4096; break; case 3: /* MS-DOS .COM */ HEADR = 0; if(INITTEXT == -1) INITTEXT = 0x0100; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4; break; case 4: /* fake MS-DOS .EXE */ HEADR = 0x200; if(INITTEXT == -1) INITTEXT = 0x0100; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4; HEADR += (INITTEXT & 0xFFFF); if(debug['v']) Bprint(&bso, "HEADR = 0x%ld\n", HEADR); break; case 5: /* elf executable */ HEADR = rnd(Ehdr32sz+3*Phdr32sz, 16); if(INITTEXT == -1) INITTEXT = 0x80100020L; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4096; 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%ld -T0x%lux -D0x%lux -R0x%lux\n", HEADTYPE, INITTEXT, INITDAT, INITRND); Bflush(&bso); for(i=1; optab[i].as; i++) { c = optab[i].as; if(opindex[c] != nil) { diag("phase error in optab: %d (%A)", i, c); errorexit(); } opindex[c] = &optab[i]; } for(i=0; i<Ymax; i++) ycover[i*Ymax + i] = 1; ycover[Yi0*Ymax + Yi8] = 1; ycover[Yi1*Ymax + Yi8] = 1; ycover[Yi0*Ymax + Yi32] = 1; ycover[Yi1*Ymax + Yi32] = 1; ycover[Yi8*Ymax + Yi32] = 1; ycover[Yal*Ymax + Yrb] = 1; ycover[Ycl*Ymax + Yrb] = 1; ycover[Yax*Ymax + Yrb] = 1; ycover[Ycx*Ymax + Yrb] = 1; ycover[Yrx*Ymax + Yrb] = 1;// ycover[Yrl*Ymax + Yrb] = 1;// ycover[Ycl*Ymax + Ycx] = 1; ycover[Yax*Ymax + Yrx] = 1; ycover[Ycx*Ymax + Yrx] = 1; ycover[Yax*Ymax + Yrl] = 1; ycover[Ycx*Ymax + Yrl] = 1; ycover[Yrx*Ymax + Yrl] = 1; ycover[Yf0*Ymax + Yrf] = 1; ycover[Yal*Ymax + Ymb] = 1; ycover[Ycl*Ymax + Ymb] = 1; ycover[Yax*Ymax + Ymb] = 1; ycover[Ycx*Ymax + Ymb] = 1; ycover[Yrx*Ymax + Ymb] = 1; ycover[Yrb*Ymax + Ymb] = 1;// ycover[Yrl*Ymax + Ymb] = 1; ycover[Ym*Ymax + Ymb] = 1; ycover[Yax*Ymax + Yml] = 1; ycover[Ycx*Ymax + Yml] = 1; ycover[Yrx*Ymax + Yml] = 1; ycover[Yrl*Ymax + Yml] = 1; ycover[Ym*Ymax + Yml] = 1; ycover[Yax*Ymax + Yxm] = 1; ycover[Ycx*Ymax + Yxm] = 1; ycover[Yrx*Ymax + Yxm] = 1; ycover[Yrl*Ymax + Yxm] = 1; ycover[Ym*Ymax + Yxm] = 1; ycover[Yxr*Ymax + Yxm] = 1; ycover[Yxr*Ymax + Yxyr] = 1; ycover[Yyr*Ymax + Yxm] = 1; ycover[Yyr*Ymax + Yxyr] = 1; for(i=0; i<nelem(reg); i++) { reg[i] = -1; if(i >= D_AL && i <= D_BH) reg[i] = (i-D_AL) & 7; if(i >= D_AX && i <= D_DI) reg[i] = (i-D_AX) & 7; if(i >= D_F0 && i <= D_F0+7) reg[i] = (i-D_F0) & 7; if(i >= D_X0 && i <= D_X7) reg[i] = (i-D_X0) & 7; if(i >= D_Y0 && i <= D_Y7) reg[i] = (i-D_Y0) & 7; } zprg.link = P; zprg.pcond = P; zprg.back = 2; zprg.as = AGOK; zprg.from.type = D_NONE; zprg.from.index = D_NONE; zprg.from.scale = 1; zprg.to = zprg.from; pcstr = "%.6lux "; nuxiinit(); histgen = 0; textp = P; datap = P; edatap = P; pc = 0; dtype = 4; vexed = debug['Y'] != 0; cout = create(outfile, 1, 0775); if(cout < 0) { diag("cannot create %s: %r", outfile); errorexit(); } 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) errorexit(); if(doexp || dlm){ EXPTAB = "_exporttab"; zerosig(EXPTAB); zerosig("etext"); zerosig("edata"); zerosig("end"); if(dlm){ import(); HEADTYPE = 2; INITTEXT = INITDAT = 0; INITRND = 8; INITENTRY = EXPTAB; } export(); } patch(); follow(); dodata(); dostkoff(); if(debug['p']) if(debug['1']) doprof1(); else doprof2(); span(); doinit(); asmb(); undef(); if(debug['v']) { Bprint(&bso, "%5.2f cpu time\n", cputime()); Bprint(&bso, "%ld symbols\n", nsymbol); Bprint(&bso, "%ld memory used\n", thunk); Bprint(&bso, "%d sizeof adr\n", sizeof(Adr)); Bprint(&bso, "%d sizeof prog\n", sizeof(Prog)); } Bflush(&bso); errorexit();} voidloadlib(void){ int i; long h; Sym *s; loop: xrefresolv = 0; for(i=0; i<libraryp; i++) { if(debug['v']) Bprint(&bso, "%5.2f autolib: %s (from %s)\n", cputime(), library[i], libraryobj[i]); objfile(library[i]); } if(xrefresolv) for(h=0; h<nelem(hash); h++) for(s = hash[h]; s != S; s = s->link) if(s->type == SXREF) goto loop;} voiderrorexit(void){ if(nerrors) { if(cout >= 0) remove(outfile); exits("error"); } exits(0);} voidobjfile(char *file){ long off, esym, cnt, l; int f, work; Sym *s; char magbuf[SARMAG]; char name[100], pname[150]; struct ar_hdr arhdr; char *e, *start, *stop; if(file[0] == '-' && file[1] == 'l') { if(libdir) snprint(name, sizeof name, "%s/lib", libdir); else if(debug['9']) sprint(name, "/%s/lib/lib", thestring); else sprint(name, "/usr/%clib/lib", thechar); strcat(name, file+2); strcat(name, ".a"); file = name; } if(debug['v']) Bprint(&bso, "%5.2f ldobj: %s\n", cputime(), file); Bflush(&bso); f = open(file, 0); if(f < 0) { diag("cannot open %s: %r", file); errorexit(); } l = read(f, magbuf, SARMAG); if(l != SARMAG || strncmp(magbuf, ARMAG, SARMAG)){ /* load it as a regular file */ l = seek(f, 0L, 2); seek(f, 0L, 0); ldobj(f, l, file); close(f); return; } l = read(f, &arhdr, SAR_HDR); if(l != SAR_HDR) { diag("%s: short read on archive file symbol header", file); goto out; } if(strncmp(arhdr.name, symname, strlen(symname))) { diag("%s: first entry not symbol header", file); goto out; } esym = SARMAG + SAR_HDR + atolwhex(arhdr.size); off = SARMAG + SAR_HDR; /* * just bang the whole symbol file into memory */ seek(f, off, 0); cnt = esym - off; start = malloc(cnt + 10); cnt = read(f, start, cnt); if(cnt <= 0){ close(f); return; } stop = &start[cnt]; memset(stop, 0, 10); work = 1; while(work) { if(debug['v']) Bprint(&bso, "%5.2f library pass: %s\n", cputime(), file); Bflush(&bso); work = 0; for(e = start; e < stop; e = strchr(e+5, 0) + 1) { s = lookup(e+5, 0); if(s->type != SXREF) continue; sprint(pname, "%s(%s)", file, s->name); if(debug['v']) Bprint(&bso, "%5.2f library: %s\n", cputime(), pname); Bflush(&bso); l = e[1] & 0xff; l |= (e[2] & 0xff) << 8; l |= (e[3] & 0xff) << 16; l |= (e[4] & 0xff) << 24; seek(f, l, 0); /* need readn to read the dumps (at least) */ l = readn(f, &arhdr, SAR_HDR); if(l != SAR_HDR) goto bad; if(strncmp(arhdr.fmag, ARFMAG, sizeof(arhdr.fmag))) goto bad; l = atolwhex(arhdr.size);Lines 1–500 of 1594. Load more
#define EXTERN #include "l.h" #include <ar.h> #ifndef DEFAULT #define DEFAULT '9' #endif char *noname = "<none>"; char symname[] = SYMDEF; char thechar = '8'; char *thestring = "386"; char *libdir; /* * -H0 -T0x40004C -D0x10000000 is garbage unix * -H1 -T0xd0 -R4 is unix coff * -H2 -T4128 -R4096 is plan9 format * -H3 -Tx -Rx is MS-DOS .COM * -H4 -Tx -Rx is fake MS-DOS .EXE * -H5 -T0x80100020 -R4096 is ELF */ void usage(void) { diag("usage: %s [-options] objects", argv0); errorexit(); } static int isobjfile(char *f) { int n, v; Biobuf *b; char buf1[5], buf2[SARMAG]; b = Bopen(f, OREAD); if(b == nil) return 0; n = Bread(b, buf1, 5); if(n == 5 && (buf1[2] == 1 && buf1[3] == '<' || buf1[3] == 1 && buf1[4] == '<')) v = 1; /* good enough for our purposes */ else{ Bseek(b, 0, 0); n = Bread(b, buf2, SARMAG); v = n == SARMAG && strncmp(buf2, ARMAG, SARMAG) == 0; } Bterm(b); return v; } void main(int argc, char *argv[]) { int i, c; char *a; Binit(&bso, 1, OWRITE); cout = -1; listinit(); memset(debug, 0, sizeof(debug)); nerrors = 0; outfile = "8.out"; 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': /* output to (next arg) */ outfile = ARGF(); break; case 'E': a = ARGF(); if(a) INITENTRY = a; break; case 'H': a = ARGF(); if(a) HEADTYPE = atolwhex(a); break; case 'L': libdir = 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 'x': /* produce export table */ doexp = 1; if(argv[1] != nil && argv[1][0] != '-' && !isobjfile(argv[1])){ a = ARGF(); if(strcmp(a, "*") == 0) allexport = 1; else readundefs(a, SEXPORT); } break; case 'u': /* produce dynamically loadable module */ dlm = 1; debug['l']++; if(argv[1] != nil && argv[1][0] != '-' && !isobjfile(argv[1])) readundefs(ARGF(), SIMPORT); break; } ARGEND USED(argc); if(*argv == nil) usage(); if(!debug['9'] && !debug['U'] && !debug['B']) debug[DEFAULT] = 1; if(HEADTYPE == -1) { if(debug['U']) HEADTYPE = 1; if(debug['B']) HEADTYPE = 2; if(debug['9']) HEADTYPE = 2; } switch(HEADTYPE) { default: diag("unknown -H option"); errorexit(); case 0: /* this is garbage */ HEADR = 20L+56L; if(INITTEXT == -1) INITTEXT = 0x40004CL; if(INITDAT == -1) INITDAT = 0x10000000L; if(INITRND == -1) INITRND = 0; break; case 1: /* is unix coff */ HEADR = 0xd0L; if(INITTEXT == -1) INITTEXT = 0xd0; if(INITDAT == -1) INITDAT = 0x400000; if(INITRND == -1) INITRND = 0; break; case 2: /* plan 9 */ HEADR = 32L; if(INITTEXT == -1) INITTEXT = 4096+32; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4096; break; case 3: /* MS-DOS .COM */ HEADR = 0; if(INITTEXT == -1) INITTEXT = 0x0100; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4; break; case 4: /* fake MS-DOS .EXE */ HEADR = 0x200; if(INITTEXT == -1) INITTEXT = 0x0100; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4; HEADR += (INITTEXT & 0xFFFF); if(debug['v']) Bprint(&bso, "HEADR = 0x%ld\n", HEADR); break; case 5: /* elf executable */ HEADR = rnd(Ehdr32sz+3*Phdr32sz, 16); if(INITTEXT == -1) INITTEXT = 0x80100020L; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4096; 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%ld -T0x%lux -D0x%lux -R0x%lux\n", HEADTYPE, INITTEXT, INITDAT, INITRND); Bflush(&bso); for(i=1; optab[i].as; i++) { c = optab[i].as; if(opindex[c] != nil) { diag("phase error in optab: %d (%A)", i, c); errorexit(); } opindex[c] = &optab[i]; } for(i=0; i<Ymax; i++) ycover[i*Ymax + i] = 1; ycover[Yi0*Ymax + Yi8] = 1; ycover[Yi1*Ymax + Yi8] = 1; ycover[Yi0*Ymax + Yi32] = 1; ycover[Yi1*Ymax + Yi32] = 1; ycover[Yi8*Ymax + Yi32] = 1; ycover[Yal*Ymax + Yrb] = 1; ycover[Ycl*Ymax + Yrb] = 1; ycover[Yax*Ymax + Yrb] = 1; ycover[Ycx*Ymax + Yrb] = 1; ycover[Yrx*Ymax + Yrb] = 1; // ycover[Yrl*Ymax + Yrb] = 1; // ycover[Ycl*Ymax + Ycx] = 1; ycover[Yax*Ymax + Yrx] = 1; ycover[Ycx*Ymax + Yrx] = 1; ycover[Yax*Ymax + Yrl] = 1; ycover[Ycx*Ymax + Yrl] = 1; ycover[Yrx*Ymax + Yrl] = 1; ycover[Yf0*Ymax + Yrf] = 1; ycover[Yal*Ymax + Ymb] = 1; ycover[Ycl*Ymax + Ymb] = 1; ycover[Yax*Ymax + Ymb] = 1; ycover[Ycx*Ymax + Ymb] = 1; ycover[Yrx*Ymax + Ymb] = 1; ycover[Yrb*Ymax + Ymb] = 1; // ycover[Yrl*Ymax + Ymb] = 1; ycover[Ym*Ymax + Ymb] = 1; ycover[Yax*Ymax + Yml] = 1; ycover[Ycx*Ymax + Yml] = 1; ycover[Yrx*Ymax + Yml] = 1; ycover[Yrl*Ymax + Yml] = 1; ycover[Ym*Ymax + Yml] = 1; ycover[Yax*Ymax + Yxm] = 1; ycover[Ycx*Ymax + Yxm] = 1; ycover[Yrx*Ymax + Yxm] = 1; ycover[Yrl*Ymax + Yxm] = 1; ycover[Ym*Ymax + Yxm] = 1; ycover[Yxr*Ymax + Yxm] = 1; ycover[Yxr*Ymax + Yxyr] = 1; ycover[Yyr*Ymax + Yxm] = 1; ycover[Yyr*Ymax + Yxyr] = 1; for(i=0; i<nelem(reg); i++) { reg[i] = -1; if(i >= D_AL && i <= D_BH) reg[i] = (i-D_AL) & 7; if(i >= D_AX && i <= D_DI) reg[i] = (i-D_AX) & 7; if(i >= D_F0 && i <= D_F0+7) reg[i] = (i-D_F0) & 7; if(i >= D_X0 && i <= D_X7) reg[i] = (i-D_X0) & 7; if(i >= D_Y0 && i <= D_Y7) reg[i] = (i-D_Y0) & 7; } zprg.link = P; zprg.pcond = P; zprg.back = 2; zprg.as = AGOK; zprg.from.type = D_NONE; zprg.from.index = D_NONE; zprg.from.scale = 1; zprg.to = zprg.from; pcstr = "%.6lux "; nuxiinit(); histgen = 0; textp = P; datap = P; edatap = P; pc = 0; dtype = 4; vexed = debug['Y'] != 0; cout = create(outfile, 1, 0775); if(cout < 0) { diag("cannot create %s: %r", outfile); errorexit(); } 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) errorexit(); if(doexp || dlm){ EXPTAB = "_exporttab"; zerosig(EXPTAB); zerosig("etext"); zerosig("edata"); zerosig("end"); if(dlm){ import(); HEADTYPE = 2; INITTEXT = INITDAT = 0; INITRND = 8; INITENTRY = EXPTAB; } export(); } patch(); follow(); dodata(); dostkoff(); if(debug['p']) if(debug['1']) doprof1(); else doprof2(); span(); doinit(); asmb(); undef(); if(debug['v']) { Bprint(&bso, "%5.2f cpu time\n", cputime()); Bprint(&bso, "%ld symbols\n", nsymbol); Bprint(&bso, "%ld memory used\n", thunk); Bprint(&bso, "%d sizeof adr\n", sizeof(Adr)); Bprint(&bso, "%d sizeof prog\n", sizeof(Prog)); } Bflush(&bso); errorexit(); } void loadlib(void) { int i; long h; Sym *s; loop: xrefresolv = 0; for(i=0; i<libraryp; i++) { if(debug['v']) Bprint(&bso, "%5.2f autolib: %s (from %s)\n", cputime(), library[i], libraryobj[i]); objfile(library[i]); } if(xrefresolv) for(h=0; h<nelem(hash); h++) for(s = hash[h]; s != S; s = s->link) if(s->type == SXREF) goto loop; } void errorexit(void) { if(nerrors) { if(cout >= 0) remove(outfile); exits("error"); } exits(0); } void objfile(char *file) { long off, esym, cnt, l; int f, work; Sym *s; char magbuf[SARMAG]; char name[100], pname[150]; struct ar_hdr arhdr; char *e, *start, *stop; if(file[0] == '-' && file[1] == 'l') { if(libdir) snprint(name, sizeof name, "%s/lib", libdir); else if(debug['9']) sprint(name, "/%s/lib/lib", thestring); else sprint(name, "/usr/%clib/lib", thechar); strcat(name, file+2); strcat(name, ".a"); file = name; } if(debug['v']) Bprint(&bso, "%5.2f ldobj: %s\n", cputime(), file); Bflush(&bso); f = open(file, 0); if(f < 0) { diag("cannot open %s: %r", file); errorexit(); } l = read(f, magbuf, SARMAG); if(l != SARMAG || strncmp(magbuf, ARMAG, SARMAG)){ /* load it as a regular file */ l = seek(f, 0L, 2); seek(f, 0L, 0); ldobj(f, l, file); close(f); return; } l = read(f, &arhdr, SAR_HDR); if(l != SAR_HDR) { diag("%s: short read on archive file symbol header", file); goto out; } if(strncmp(arhdr.name, symname, strlen(symname))) { diag("%s: first entry not symbol header", file); goto out; } esym = SARMAG + SAR_HDR + atolwhex(arhdr.size); off = SARMAG + SAR_HDR; /* * just bang the whole symbol file into memory */ seek(f, off, 0); cnt = esym - off; start = malloc(cnt + 10); cnt = read(f, start, cnt); if(cnt <= 0){ close(f); return; } stop = &start[cnt]; memset(stop, 0, 10); work = 1; while(work) { if(debug['v']) Bprint(&bso, "%5.2f library pass: %s\n", cputime(), file); Bflush(&bso); work = 0; for(e = start; e < stop; e = strchr(e+5, 0) + 1) { s = lookup(e+5, 0); if(s->type != SXREF) continue; sprint(pname, "%s(%s)", file, s->name); if(debug['v']) Bprint(&bso, "%5.2f library: %s\n", cputime(), pname); Bflush(&bso); l = e[1] & 0xff; l |= (e[2] & 0xff) << 8; l |= (e[3] & 0xff) << 16; l |= (e[4] & 0xff) << 24; seek(f, l, 0); /* need readn to read the dumps (at least) */ l = readn(f, &arhdr, SAR_HDR); if(l != SAR_HDR) goto bad; if(strncmp(arhdr.fmag, ARFMAG, sizeof(arhdr.fmag))) goto bad; l = atolwhex(arhdr.size);