void main(int argc, char *argv[]) { int c; char *name, *val; Binit(&bso, 1, OWRITE); listinit(); memset(debug, 0, sizeof(debug)); nerrors = 0; outfile = nil; HEADTYPE = -1; INITTEXT = -1; INITDAT = -1; INITRND = -1; INITENTRY = 0; nuxiinit(); ARGBEGIN { default: c = ARGC(); if(c == 'l') usage(); if(c >= 0 && c < sizeof(debug)) debug[c]++; break; case 'o': /* output to (next arg) */ outfile = EARGF(usage()); break; case 'E': INITENTRY = EARGF(usage()); break; case 'H': HEADTYPE = headtype(EARGF(usage())); break; case 'I': debug['I'] = 1; // denote cmdline interpreter override interpreter = 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 'V': print("%cl version %s\n", thechar, getgoversion()); errorexit(); case 'X': name = EARGF(usage()); val = EARGF(usage()); addstrdata(name, val); break; case 'B': val = EARGF(usage()); addbuildinfo(val); break; } ARGEND if(argc != 1) usage(); mywhatsys(); // get goos if(HEADTYPE == -1) HEADTYPE = headtype(goos); if(outfile == nil) { if(HEADTYPE == Hwindows) outfile = "6.out.exe"; else outfile = "6.out"; } libinit(); switch(HEADTYPE) { default: diag("unknown -H option"); errorexit(); case Hplan9x32: /* plan 9 */ HEADR = 32L; if(INITTEXT == -1) INITTEXT = 4096+HEADR; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4096; break; case Hplan9x64: /* plan 9 */ HEADR = 32L + 8L; if(INITTEXT == -1) INITTEXT = 0x200000+HEADR; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 0x200000; break; case Helf: /* elf32 executable */ HEADR = rnd(52L+3*32L, 16); if(INITTEXT == -1) INITTEXT = 0x80110000L; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4096; break; case Hdarwin: /* apple MACH */ /* * OS X system constant - offset from 0(GS) to our TLS. * Explained in ../../pkg/runtime/cgo/gcc_darwin_amd64.c. */ tlsoffset = 0x8a0; machoinit(); HEADR = INITIAL_MACHO_HEADR; if(INITRND == -1) INITRND = 4096; if(INITTEXT == -1) INITTEXT = 4096+HEADR; if(INITDAT == -1) INITDAT = 0; break; case Hlinux: /* elf64 executable */ case Hfreebsd: /* freebsd */ case Hnetbsd: /* netbsd */ case Hopenbsd: /* openbsd */ /* * ELF uses TLS offset negative from FS. * Translate 0(FS) and 8(FS) into -16(FS) and -8(FS). * Also known to ../../pkg/runtime/sys_linux_amd64.s * and ../../pkg/runtime/cgo/gcc_linux_amd64.c. */ tlsoffset = -16; elfinit(); HEADR = ELFRESERVE; if(INITTEXT == -1) INITTEXT = (1<<22)+HEADR; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4096; break; case Hwindows: /* PE executable */ peinit(); HEADR = PEFILEHEADR; if(INITTEXT == -1) INITTEXT = PEBASE+PESECTHEADR; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = PESECTALIGN; break; } if(INITDAT != 0 && INITRND != 0) print("warning: -D0x%llux is ignored because of -R0x%ux\n", INITDAT, INITRND); if(debug['v']) Bprint(&bso, "HEADER = -H%d -T0x%llux -D0x%llux -R0x%ux\n", HEADTYPE, INITTEXT, INITDAT, INITRND); Bflush(&bso); instinit(); 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; zprg.mode = 64; pcstr = "%.6llux "; histgen = 0; pc = 0; dtype = 4; version = 0; cbp = buf.cbuf; cbc = sizeof(buf.cbuf); addlibpath("command line", "command line", argv[0], "main"); loadlib(); deadcode(); patch(); follow(); doelf(); if(HEADTYPE == Hdarwin) domacho(); dostkoff(); dostkcheck(); paramspace = "SP"; /* (FP) now (SP) on output */ if(debug['p']) if(debug['1']) doprof1(); else doprof2(); span(); if(HEADTYPE == Hwindows) dope(); addexport(); textaddress(); pclntab(); symtab(); dodata(); address(); doweak(); reloc(); asmb(); undef(); if(debug['v']) { Bprint(&bso, "%5.2f cpu time\n", cputime()); Bprint(&bso, "%d symbols\n", nsymbol); Bprint(&bso, "%d sizeof adr\n", sizeof(Adr)); Bprint(&bso, "%d sizeof prog\n", sizeof(Prog)); } Bflush(&bso); errorexit(); }
void RelocIterator::print_current() { if (!has_current()) { tty->print_cr("(no relocs)"); return; } tty->print("relocInfo@" INTPTR_FORMAT " [type=%d(%s) addr=" INTPTR_FORMAT, _current, type(), reloc_type_string((relocInfo::relocType) type()), _addr); if (current()->format() != 0) tty->print(" format=%d", current()->format()); if (datalen() == 1) { tty->print(" data=%d", data()[0]); } else if (datalen() > 0) { tty->print(" data={"); for (int i = 0; i < datalen(); i++) { tty->print("%04x", data()[i] & 0xFFFF); } tty->print("}"); } tty->print("]"); switch (type()) { case relocInfo::oop_type: { oop_Relocation* r = oop_reloc(); oop* oop_addr = NULL; oop raw_oop = NULL; oop oop_value = NULL; if (code() != NULL || r->oop_index() == 0) { oop_addr = r->oop_addr(); raw_oop = *oop_addr; oop_value = r->oop_value(); } tty->print_cr(" | [oop_addr=" INTPTR_FORMAT " *=" INTPTR_FORMAT " offset=%d]", oop_addr, raw_oop, r->offset()); // Do not print the oop by default--we want this routine to // work even during GC or other inconvenient times. if (WizardMode && oop_value != NULL) { tty->print("oop_value=" INTPTR_FORMAT ": ", oop_value); oop_value->print_value_on(tty); } break; } case relocInfo::external_word_type: case relocInfo::internal_word_type: { DataRelocation* r = (DataRelocation*) reloc(); tty->print(" | [target=" INTPTR_FORMAT "]", r->value()); //value==target break; } case relocInfo::static_call_type: case relocInfo::runtime_call_type: case relocInfo::jsr_type: { CallRelocation* r = (CallRelocation*) reloc(); tty->print(" | [destination=" INTPTR_FORMAT "]", r->destination()); break; } case relocInfo::virtual_call_type: { virtual_call_Relocation* r = (virtual_call_Relocation*) reloc(); tty->print(" | [destination=" INTPTR_FORMAT " first_oop=" INTPTR_FORMAT " oop_limit=" INTPTR_FORMAT "]", r->destination(), r->first_oop(), r->oop_limit()); break; } case relocInfo::static_stub_type: { static_stub_Relocation* r = (static_stub_Relocation*) reloc(); tty->print(" | [static_call=" INTPTR_FORMAT "]", r->static_call()); break; } } tty->cr(); }
void main(int argc, char *argv[]) { char *p; Sym *s; Binit(&bso, 1, OWRITE); listinit(); nerrors = 0; outfile = "5.out"; HEADTYPE = -1; INITTEXT = -1; INITDAT = -1; INITRND = -1; INITENTRY = 0; LIBINITENTRY = 0; linkmode = LinkInternal; // TODO: LinkAuto once everything works. nuxiinit(); p = getgoarm(); if(p != nil) goarm = atoi(p); else goarm = 6; if(goarm == 5) debug['F'] = 1; flagcount("1", "use alternate profiling code", &debug['1']); flagfn1("B", "info: define ELF NT_GNU_BUILD_ID note", addbuildinfo); flagstr("E", "sym: entry symbol", &INITENTRY); flagint32("D", "addr: data address", &INITDAT); flagcount("G", "debug pseudo-ops", &debug['G']); flagfn1("I", "interp: set ELF interp", setinterp); flagfn1("L", "dir: add dir to library path", Lflag); flagfn1("H", "head: header type", setheadtype); flagcount("K", "add stack underflow checks", &debug['K']); flagcount("M", "disable software div/mod", &debug['M']); flagcount("O", "print pc-line tables", &debug['O']); flagcount("P", "debug code generation", &debug['P']); flagint32("R", "rnd: address rounding", &INITRND); flagint32("T", "addr: text address", &INITTEXT); flagfn0("V", "print version and exit", doversion); flagcount("W", "disassemble input", &debug['W']); flagfn2("X", "name value: define string data", addstrdata); flagcount("Z", "clear stack frame on entry", &debug['Z']); flagcount("a", "disassemble output", &debug['a']); flagcount("c", "dump call graph", &debug['c']); flagcount("d", "disable dynamic executable", &debug['d']); flagcount("f", "ignore version mismatch", &debug['f']); flagcount("g", "disable go package data checks", &debug['g']); flagstr("k", "sym: set field tracking symbol", &tracksym); flagfn1("linkmode", "mode: set link mode (internal, external, auto)", setlinkmode); flagcount("n", "dump symbol table", &debug['n']); flagstr("o", "outfile: set output file", &outfile); flagcount("p", "insert profiling code", &debug['p']); flagstr("r", "dir1:dir2:...: set ELF dynamic linker search path", &rpath); flagcount("race", "enable race detector", &flag_race); flagcount("s", "disable symbol table", &debug['s']); flagstr("tmpdir", "leave temporary files in this directory", &tmpdir); flagcount("u", "reject unsafe packages", &debug['u']); flagcount("v", "print link trace", &debug['v']); flagcount("w", "disable DWARF generation", &debug['w']); flagcount("shared", "generate shared object", &flag_shared); // TODO: link mode flag flagparse(&argc, &argv, usage); if(argc != 1) usage(); if(linkmode != LinkInternal) { diag("only -linkmode=internal is supported"); errorexit(); } libinit(); if(HEADTYPE == -1) HEADTYPE = headtype(goos); switch(HEADTYPE) { default: diag("unknown -H option"); errorexit(); case Hnoheader: /* no header */ HEADR = 0L; if(INITTEXT == -1) INITTEXT = 0; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4; break; case Hrisc: /* aif for risc os */ HEADR = 128L; if(INITTEXT == -1) INITTEXT = 0x10005000 + HEADR; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4; break; case Hplan9x32: /* plan 9 */ HEADR = 32L; if(INITTEXT == -1) INITTEXT = 4128; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4096; break; case Hixp1200: /* boot for IXP1200 */ HEADR = 0L; if(INITTEXT == -1) INITTEXT = 0x0; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4; break; case Hipaq: /* boot for ipaq */ HEADR = 16L; if(INITTEXT == -1) INITTEXT = 0xC0008010; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 1024; break; case Hlinux: /* arm elf */ case Hfreebsd: case Hnetbsd: debug['d'] = 0; // with dynamic linking tlsoffset = -8; // hardcoded number, first 4-byte word for g, and then 4-byte word for m // this number is known to ../../pkg/runtime/cgo/gcc_linux_arm.c elfinit(); HEADR = ELFRESERVE; if(INITTEXT == -1) INITTEXT = 0x10000 + HEADR; if(INITDAT == -1) INITDAT = 0; if(INITRND == -1) INITRND = 4096; break; } if(INITDAT != 0 && INITRND != 0) print("warning: -D0x%ux is ignored because of -R0x%ux\n", INITDAT, INITRND); if(debug['v']) Bprint(&bso, "HEADER = -H0x%d -T0x%ux -D0x%ux -R0x%ux\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; pc = 0; dtype = 4; version = 0; cbp = buf.cbuf; cbc = sizeof(buf.cbuf); // embed goarm to runtime.goarm s = lookup("runtime.goarm", 0); s->dupok = 1; adduint8(s, goarm); addlibpath("command line", "command line", argv[0], "main"); loadlib(); // mark some functions that are only referenced after linker code editing if(debug['F']) mark(rlookup("_sfloat", 0)); deadcode(); if(textp == nil) { diag("no code"); errorexit(); } patch(); if(debug['p']) if(debug['1']) doprof1(); else doprof2(); doelf(); follow(); softfloat(); // 5l -Z means zero the stack frame on entry. // This slows down function calls but can help avoid // false positives in garbage collection. if(debug['Z']) dozerostk(); noops(); // generate stack split prolog, handle div/mod, etc. dostkcheck(); span(); addexport(); // textaddress() functionality is handled in span() pclntab(); symtab(); dodata(); address(); doweak(); reloc(); asmb(); undef(); hostlink(); if(debug['c']) print("ARM size = %d\n", armsize); if(debug['v']) { Bprint(&bso, "%5.2f cpu time\n", cputime()); Bprint(&bso, "%d sizeof adr\n", sizeof(Adr)); Bprint(&bso, "%d sizeof prog\n", sizeof(Prog)); } Bflush(&bso); errorexit(); }