func Ldmain() {
Ctxt = linknew(Thelinkarch)
Ctxt.Thechar = int32(Thearch.Thechar)
Ctxt.Thestring = Thestring
Ctxt.Diag = Diag
Ctxt.Bso = &Bso
Bso = *obj.Binitw(os.Stdout)
Debug = [128]int{}
nerrors = 0
outfile = ""
HEADTYPE = -1
INITTEXT = -1
INITDAT = -1
INITRND = -1
INITENTRY = ""
Linkmode = LinkAuto
// For testing behavior of go command when tools crash silently.
// Undocumented, not in standard flag parser to avoid
// exposing in usage message.
for _, arg := range os.Args {
if arg == "-crash_for_testing" {
os.Exit(2)
}
}
if Thearch.Thechar == '6' && obj.Getgoos() == "plan9" {
obj.Flagcount("8", "use 64-bit addresses in symbol table", &Debug['8'])
}
obj.Flagfn1("B", "add an ELF NT_GNU_BUILD_ID `note` when using ELF", addbuildinfo)
obj.Flagcount("C", "check Go calls to C code", &Debug['C'])
obj.Flagint64("D", "set data segment `address`", &INITDAT)
obj.Flagstr("E", "set `entry` symbol name", &INITENTRY)
obj.Flagfn1("I", "use `linker` as ELF dynamic linker", setinterp)
obj.Flagfn1("L", "add specified `directory` to library path", Lflag)
obj.Flagfn1("H", "set header `type`", setheadtype)
obj.Flagint32("R", "set address rounding `quantum`", &INITRND)
obj.Flagint64("T", "set text segment `address`", &INITTEXT)
obj.Flagfn0("V", "print version and exit", doversion)
obj.Flagcount("W", "disassemble input", &Debug['W'])
obj.Flagfn1("X", "add string value `definition` of the form importpath.name=value", addstrdata1)
obj.Flagcount("a", "disassemble output", &Debug['a'])
obj.Flagstr("buildid", "record `id` as Go toolchain build id", &buildid)
flag.Var(&Buildmode, "buildmode", "set build `mode`")
obj.Flagcount("c", "dump call graph", &Debug['c'])
obj.Flagcount("d", "disable dynamic executable", &Debug['d'])
obj.Flagstr("extld", "use `linker` when linking in external mode", &extld)
obj.Flagstr("extldflags", "pass `flags` to external linker", &extldflags)
obj.Flagcount("f", "ignore version mismatch", &Debug['f'])
obj.Flagcount("g", "disable go package data checks", &Debug['g'])
obj.Flagcount("h", "halt on error", &Debug['h'])
obj.Flagstr("installsuffix", "set package directory `suffix`", &flag_installsuffix)
obj.Flagstr("k", "set field tracking `symbol`", &tracksym)
obj.Flagfn1("linkmode", "set link `mode` (internal, external, auto)", setlinkmode)
flag.BoolVar(&Linkshared, "linkshared", false, "link against installed Go shared libraries")
obj.Flagcount("n", "dump symbol table", &Debug['n'])
obj.Flagstr("o", "write output to `file`", &outfile)
flag.Var(&rpath, "r", "set the ELF dynamic linker search `path` to dir1:dir2:...")
obj.Flagcount("race", "enable race detector", &flag_race)
obj.Flagcount("s", "disable symbol table", &Debug['s'])
var flagShared int
if Thearch.Thechar == '5' || Thearch.Thechar == '6' {
obj.Flagcount("shared", "generate shared object (implies -linkmode external)", &flagShared)
}
obj.Flagstr("tmpdir", "use `directory` for temporary files", &tmpdir)
obj.Flagcount("u", "reject unsafe packages", &Debug['u'])
obj.Flagcount("v", "print link trace", &Debug['v'])
obj.Flagcount("w", "disable DWARF generation", &Debug['w'])
obj.Flagstr("cpuprofile", "write cpu profile to `file`", &cpuprofile)
obj.Flagstr("memprofile", "write memory profile to `file`", &memprofile)
obj.Flagint64("memprofilerate", "set runtime.MemProfileRate to `rate`", &memprofilerate)
// Clumsy hack to preserve old two-argument -X name val syntax for old scripts.
// Rewrite that syntax into new syntax -X name=val.
// TODO(rsc): Delete this hack in Go 1.6 or later.
var args []string
for i := 0; i < len(os.Args); i++ {
arg := os.Args[i]
if (arg == "-X" || arg == "--X") && i+2 < len(os.Args) && !strings.Contains(os.Args[i+1], "=") {
fmt.Fprintf(os.Stderr, "link: warning: option %s %s %s may not work in future releases; use %s %s=%s\n",
arg, os.Args[i+1], os.Args[i+2],
arg, os.Args[i+1], os.Args[i+2])
args = append(args, arg)
args = append(args, os.Args[i+1]+"="+os.Args[i+2])
i += 2
continue
}
if (strings.HasPrefix(arg, "-X=") || strings.HasPrefix(arg, "--X=")) && i+1 < len(os.Args) && strings.Count(arg, "=") == 1 {
fmt.Fprintf(os.Stderr, "link: warning: option %s %s may not work in future releases; use %s=%s\n",
arg, os.Args[i+1],
arg, os.Args[i+1])
args = append(args, arg+"="+os.Args[i+1])
i++
continue
}
args = append(args, arg)
}
os.Args = args
obj.Flagparse(usage)
startProfile()
Ctxt.Bso = &Bso
Ctxt.Debugvlog = int32(Debug['v'])
if flagShared != 0 {
if Buildmode == BuildmodeUnset {
Buildmode = BuildmodeCShared
} else if Buildmode != BuildmodeCShared {
Exitf("-shared and -buildmode=%s are incompatible", Buildmode.String())
}
}
if Buildmode == BuildmodeUnset {
Buildmode = BuildmodeExe
}
if Buildmode != BuildmodeShared && flag.NArg() != 1 {
usage()
}
if outfile == "" {
outfile = "a.out"
if HEADTYPE == obj.Hwindows {
outfile += ".exe"
}
}
libinit() // creates outfile
if HEADTYPE == -1 {
HEADTYPE = int32(headtype(goos))
}
Ctxt.Headtype = int(HEADTYPE)
if headstring == "" {
headstring = Headstr(int(HEADTYPE))
}
if HEADTYPE == obj.Hhaiku {
Linkmode = LinkExternal
}
Thearch.Archinit()
if Linkshared && !Iself {
Exitf("-linkshared can only be used on elf systems")
}
if Debug['v'] != 0 {
fmt.Fprintf(&Bso, "HEADER = -H%d -T0x%x -D0x%x -R0x%x\n", HEADTYPE, uint64(INITTEXT), uint64(INITDAT), uint32(INITRND))
}
Bso.Flush()
if Buildmode == BuildmodeShared {
for i := 0; i < flag.NArg(); i++ {
arg := flag.Arg(i)
parts := strings.SplitN(arg, "=", 2)
var pkgpath, file string
if len(parts) == 1 {
pkgpath, file = "main", arg
} else {
pkgpath, file = parts[0], parts[1]
}
pkglistfornote = append(pkglistfornote, pkgpath...)
pkglistfornote = append(pkglistfornote, '\n')
addlibpath(Ctxt, "command line", "command line", file, pkgpath, "")
}
} else {
addlibpath(Ctxt, "command line", "command line", flag.Arg(0), "main", "")
}
loadlib()
if Thearch.Thechar == '5' {
// mark some functions that are only referenced after linker code editing
if Ctxt.Goarm == 5 {
mark(Linkrlookup(Ctxt, "_sfloat", 0))
}
mark(Linklookup(Ctxt, "runtime.read_tls_fallback", 0))
}
checkgo()
checkstrdata()
deadcode()
callgraph()
doelf()
if HEADTYPE == obj.Hdarwin {
domacho()
}
dostkcheck()
if HEADTYPE == obj.Hwindows {
dope()
}
addexport()
Thearch.Gentext() // trampolines, call stubs, etc.
textbuildid()
textaddress()
pclntab()
findfunctab()
symtab()
dodata()
address()
doweak()
reloc()
Thearch.Asmb()
undef()
hostlink()
archive()
if Debug['v'] != 0 {
fmt.Fprintf(&Bso, "%5.2f cpu time\n", obj.Cputime())
fmt.Fprintf(&Bso, "%d symbols\n", Ctxt.Nsymbol)
fmt.Fprintf(&Bso, "%d liveness data\n", liveness)
}
Bso.Flush()
errorexit()
}
func Ldmain() {
Ctxt = linknew(Thelinkarch)
Ctxt.Thechar = int32(Thearch.Thechar)
Ctxt.Thestring = Thestring
Ctxt.Diag = Diag
Ctxt.Bso = &Bso
Bso = *obj.Binitw(os.Stdout)
Debug = [128]int{}
nerrors = 0
outfile = ""
HEADTYPE = -1
INITTEXT = -1
INITDAT = -1
INITRND = -1
INITENTRY = ""
Linkmode = LinkAuto
// For testing behavior of go command when tools crash.
// Undocumented, not in standard flag parser to avoid
// exposing in usage message.
for _, arg := range os.Args {
if arg == "-crash_for_testing" {
*(*int)(nil) = 0
}
}
if Thearch.Thechar == '5' && Ctxt.Goarm == 5 {
Debug['F'] = 1
}
obj.Flagcount("1", "use alternate profiling code", &Debug['1'])
if Thearch.Thechar == '6' {
obj.Flagcount("8", "assume 64-bit addresses", &Debug['8'])
}
obj.Flagfn1("B", "add an ELF NT_GNU_BUILD_ID `note` when using ELF", addbuildinfo)
obj.Flagcount("C", "check Go calls to C code", &Debug['C'])
obj.Flagint64("D", "set data segment `address`", &INITDAT)
obj.Flagstr("E", "set `entry` symbol name", &INITENTRY)
if Thearch.Thechar == '5' {
obj.Flagcount("G", "debug pseudo-ops", &Debug['G'])
}
obj.Flagfn1("I", "use `linker` as ELF dynamic linker", setinterp)
obj.Flagfn1("L", "add specified `directory` to library path", Lflag)
obj.Flagfn1("H", "set header `type`", setheadtype)
obj.Flagcount("K", "add stack underflow checks", &Debug['K'])
if Thearch.Thechar == '5' {
obj.Flagcount("M", "disable software div/mod", &Debug['M'])
}
obj.Flagcount("O", "print pc-line tables", &Debug['O'])
obj.Flagcount("Q", "debug byte-register code gen", &Debug['Q'])
if Thearch.Thechar == '5' {
obj.Flagcount("P", "debug code generation", &Debug['P'])
}
obj.Flagint32("R", "set address rounding `quantum`", &INITRND)
obj.Flagcount("nil", "check type signatures", &Debug['S'])
obj.Flagint64("T", "set text segment `address`", &INITTEXT)
obj.Flagfn0("V", "print version and exit", doversion)
obj.Flagcount("W", "disassemble input", &Debug['W'])
obj.Flagfn1("X", "set the value of a string variable; the next two arguments are its name and value", addstrdata1)
obj.Flagcount("Z", "clear stack frame on entry", &Debug['Z'])
obj.Flagcount("a", "disassemble output", &Debug['a'])
flag.Var(&Buildmode, "buildmode", "set build `mode`")
obj.Flagcount("c", "dump call graph", &Debug['c'])
obj.Flagcount("d", "disable dynamic executable", &Debug['d'])
obj.Flagstr("extld", "use `linker` when linking in external mode", &extld)
obj.Flagstr("extldflags", "pass `flags` to external linker", &extldflags)
obj.Flagcount("f", "ignore version mismatch", &Debug['f'])
obj.Flagcount("g", "disable go package data checks", &Debug['g'])
obj.Flagstr("installsuffix", "set package directory `suffix`", &flag_installsuffix)
obj.Flagstr("k", "set field tracking `symbol`", &tracksym)
obj.Flagfn1("linkmode", "set link `mode` (internal, external, auto)", setlinkmode)
flag.BoolVar(&Linkshared, "linkshared", false, "link against installed Go shared libraries")
obj.Flagcount("n", "dump symbol table", &Debug['n'])
obj.Flagstr("o", "write output to `file`", &outfile)
flag.Var(&rpath, "r", "set the ELF dynamic linker search `path` to dir1:dir2:...")
obj.Flagcount("race", "enable race detector", &flag_race)
obj.Flagcount("s", "disable symbol table", &Debug['s'])
var flagShared int
if Thearch.Thechar == '5' || Thearch.Thechar == '6' {
obj.Flagcount("shared", "generate shared object (implies -linkmode external)", &flagShared)
}
obj.Flagstr("tmpdir", "use `directory` for temporary files", &tmpdir)
obj.Flagcount("u", "reject unsafe packages", &Debug['u'])
obj.Flagcount("v", "print link trace", &Debug['v'])
obj.Flagcount("w", "disable DWARF generation", &Debug['w'])
// Clumsy hack to preserve old behavior of -X taking two arguments.
for i := 0; i < len(os.Args); i++ {
arg := os.Args[i]
if (arg == "--X" || arg == "-X") && i+2 < len(os.Args) {
os.Args[i+2] = "-X=VALUE:" + os.Args[i+2]
i += 2
} else if (strings.HasPrefix(arg, "--X=") || strings.HasPrefix(arg, "-X=")) && i+1 < len(os.Args) {
os.Args[i+1] = "-X=VALUE:" + os.Args[i+1]
i++
}
}
obj.Flagstr("cpuprofile", "write cpu profile to `file`", &cpuprofile)
obj.Flagstr("memprofile", "write memory profile to `file`", &memprofile)
obj.Flagint64("memprofilerate", "set runtime.MemProfileRate to `rate`", &memprofilerate)
obj.Flagparse(usage)
startProfile()
Ctxt.Bso = &Bso
Ctxt.Debugvlog = int32(Debug['v'])
if flagShared != 0 {
if Buildmode == BuildmodeExe {
Buildmode = BuildmodeCShared
} else if Buildmode != BuildmodeCShared {
Exitf("-shared and -buildmode=%s are incompatible", Buildmode.String())
}
}
if Buildmode != BuildmodeShared && flag.NArg() != 1 {
usage()
}
if outfile == "" {
if HEADTYPE == obj.Hwindows {
outfile = fmt.Sprintf("%c.out.exe", Thearch.Thechar)
} else {
outfile = fmt.Sprintf("%c.out", Thearch.Thechar)
}
}
libinit() // creates outfile
if HEADTYPE == -1 {
HEADTYPE = int32(headtype(goos))
}
Ctxt.Headtype = int(HEADTYPE)
if headstring == "" {
headstring = Headstr(int(HEADTYPE))
}
Thearch.Archinit()
if Linkshared && !Iself {
Exitf("-linkshared can only be used on elf systems")
}
if Debug['v'] != 0 {
fmt.Fprintf(&Bso, "HEADER = -H%d -T0x%x -D0x%x -R0x%x\n", HEADTYPE, uint64(INITTEXT), uint64(INITDAT), uint32(INITRND))
}
Bso.Flush()
if Buildmode == BuildmodeShared {
for i := 0; i < flag.NArg(); i++ {
arg := flag.Arg(i)
parts := strings.SplitN(arg, "=", 2)
var pkgpath, file string
if len(parts) == 1 {
pkgpath, file = "main", arg
} else {
pkgpath, file = parts[0], parts[1]
}
pkglistfornote = append(pkglistfornote, pkgpath...)
pkglistfornote = append(pkglistfornote, '\n')
addlibpath(Ctxt, "command line", "command line", file, pkgpath, "")
}
} else {
addlibpath(Ctxt, "command line", "command line", flag.Arg(0), "main", "")
}
loadlib()
if Thearch.Thechar == '5' {
// mark some functions that are only referenced after linker code editing
if Debug['F'] != 0 {
mark(Linkrlookup(Ctxt, "_sfloat", 0))
}
mark(Linklookup(Ctxt, "runtime.read_tls_fallback", 0))
}
checkgo()
deadcode()
callgraph()
doelf()
if HEADTYPE == obj.Hdarwin {
domacho()
}
dostkcheck()
if HEADTYPE == obj.Hwindows {
dope()
}
addexport()
Thearch.Gentext() // trampolines, call stubs, etc.
textaddress()
pclntab()
findfunctab()
symtab()
dodata()
address()
doweak()
reloc()
Thearch.Asmb()
undef()
hostlink()
archive()
if Debug['v'] != 0 {
fmt.Fprintf(&Bso, "%5.2f cpu time\n", obj.Cputime())
fmt.Fprintf(&Bso, "%d symbols\n", Ctxt.Nsymbol)
fmt.Fprintf(&Bso, "%d liveness data\n", liveness)
}
Bso.Flush()
errorexit()
}
func Ldmain() {
Ctxt = linknew(Thelinkarch)
Ctxt.Thechar = int32(Thearch.Thechar)
Ctxt.Thestring = Thestring
Ctxt.Diag = Diag
Ctxt.Bso = &Bso
Bso = *Binitw(os.Stdout)
Debug = [128]int{}
nerrors = 0
outfile = ""
HEADTYPE = -1
INITTEXT = -1
INITDAT = -1
INITRND = -1
INITENTRY = ""
Linkmode = LinkAuto
// For testing behavior of go command when tools crash.
// Undocumented, not in standard flag parser to avoid
// exposing in usage message.
for _, arg := range os.Args {
if arg == "-crash_for_testing" {
*(*int)(nil) = 0
}
}
if Thearch.Thechar == '5' && Ctxt.Goarm == 5 {
Debug['F'] = 1
}
obj.Flagcount("1", "use alternate profiling code", &Debug['1'])
if Thearch.Thechar == '6' {
obj.Flagcount("8", "assume 64-bit addresses", &Debug['8'])
}
obj.Flagfn1("B", "info: define ELF NT_GNU_BUILD_ID note", addbuildinfo)
obj.Flagcount("C", "check Go calls to C code", &Debug['C'])
obj.Flagint64("D", "addr: data address", &INITDAT)
obj.Flagstr("E", "sym: entry symbol", &INITENTRY)
if Thearch.Thechar == '5' {
obj.Flagcount("G", "debug pseudo-ops", &Debug['G'])
}
obj.Flagfn1("I", "interp: set ELF interp", setinterp)
obj.Flagfn1("L", "dir: add dir to library path", Lflag)
obj.Flagfn1("H", "head: header type", setheadtype)
obj.Flagcount("K", "add stack underflow checks", &Debug['K'])
if Thearch.Thechar == '5' {
obj.Flagcount("M", "disable software div/mod", &Debug['M'])
}
obj.Flagcount("O", "print pc-line tables", &Debug['O'])
obj.Flagcount("Q", "debug byte-register code gen", &Debug['Q'])
if Thearch.Thechar == '5' {
obj.Flagcount("P", "debug code generation", &Debug['P'])
}
obj.Flagint32("R", "rnd: address rounding", &INITRND)
obj.Flagcount("nil", "check type signatures", &Debug['S'])
obj.Flagint64("T", "addr: text address", &INITTEXT)
obj.Flagfn0("V", "print version and exit", doversion)
obj.Flagcount("W", "disassemble input", &Debug['W'])
obj.Flagfn1("X", "name value: define string data", addstrdata1)
obj.Flagcount("Z", "clear stack frame on entry", &Debug['Z'])
obj.Flagcount("a", "disassemble output", &Debug['a'])
obj.Flagcount("c", "dump call graph", &Debug['c'])
obj.Flagcount("d", "disable dynamic executable", &Debug['d'])
obj.Flagstr("extld", "ld: linker to run in external mode", &extld)
obj.Flagstr("extldflags", "ldflags: flags for external linker", &extldflags)
obj.Flagcount("f", "ignore version mismatch", &Debug['f'])
obj.Flagcount("g", "disable go package data checks", &Debug['g'])
obj.Flagstr("installsuffix", "suffix: pkg directory suffix", &flag_installsuffix)
obj.Flagstr("k", "sym: set field tracking symbol", &tracksym)
obj.Flagfn1("linkmode", "mode: set link mode (internal, external, auto)", setlinkmode)
obj.Flagcount("n", "dump symbol table", &Debug['n'])
obj.Flagstr("o", "outfile: set output file", &outfile)
obj.Flagstr("r", "dir1:dir2:...: set ELF dynamic linker search path", &rpath)
obj.Flagcount("race", "enable race detector", &flag_race)
obj.Flagcount("s", "disable symbol table", &Debug['s'])
if Thearch.Thechar == '5' || Thearch.Thechar == '6' {
obj.Flagcount("shared", "generate shared object (implies -linkmode external)", &Flag_shared)
}
obj.Flagstr("tmpdir", "dir: leave temporary files in this directory", &tmpdir)
obj.Flagcount("u", "reject unsafe packages", &Debug['u'])
obj.Flagcount("v", "print link trace", &Debug['v'])
obj.Flagcount("w", "disable DWARF generation", &Debug['w'])
// Clumsy hack to preserve old behavior of -X taking two arguments.
for i := 0; i < len(os.Args); i++ {
arg := os.Args[i]
if (arg == "--X" || arg == "-X") && i+2 < len(os.Args) {
os.Args[i+2] = "-X=VALUE:" + os.Args[i+2]
i += 2
} else if (strings.HasPrefix(arg, "--X=") || strings.HasPrefix(arg, "-X=")) && i+1 < len(os.Args) {
os.Args[i+1] = "-X=VALUE:" + os.Args[i+1]
i++
}
}
obj.Flagstr("cpuprofile", "file: write cpu profile to file", &cpuprofile)
obj.Flagstr("memprofile", "file: write memory profile to file", &memprofile)
obj.Flagparse(usage)
startProfile()
Ctxt.Bso = &Bso
Ctxt.Debugvlog = int32(Debug['v'])
if flag.NArg() != 1 {
usage()
}
if outfile == "" {
if HEADTYPE == Hwindows {
outfile = fmt.Sprintf("%c.out.exe", Thearch.Thechar)
} else {
outfile = fmt.Sprintf("%c.out", Thearch.Thechar)
}
}
libinit() // creates outfile
if HEADTYPE == -1 {
HEADTYPE = int32(headtype(goos))
}
Ctxt.Headtype = int(HEADTYPE)
if headstring == "" {
headstring = Headstr(int(HEADTYPE))
}
Thearch.Archinit()
if Debug['v'] != 0 {
fmt.Fprintf(&Bso, "HEADER = -H%d -T0x%x -D0x%x -R0x%x\n", HEADTYPE, uint64(INITTEXT), uint64(INITDAT), uint32(INITRND))
}
Bflush(&Bso)
addlibpath(Ctxt, "command line", "command line", flag.Arg(0), "main")
loadlib()
if Thearch.Thechar == '5' {
// mark some functions that are only referenced after linker code editing
if Debug['F'] != 0 {
mark(Linkrlookup(Ctxt, "_sfloat", 0))
}
mark(Linklookup(Ctxt, "runtime.read_tls_fallback", 0))
}
checkgo()
deadcode()
callgraph()
doelf()
if HEADTYPE == Hdarwin {
domacho()
}
dostkcheck()
if HEADTYPE == Hwindows {
dope()
}
addexport()
Thearch.Gentext() // trampolines, call stubs, etc.
textaddress()
pclntab()
findfunctab()
symtab()
dodata()
address()
doweak()
reloc()
Thearch.Asmb()
undef()
hostlink()
if Debug['v'] != 0 {
fmt.Fprintf(&Bso, "%5.2f cpu time\n", obj.Cputime())
fmt.Fprintf(&Bso, "%d symbols\n", Ctxt.Nsymbol)
fmt.Fprintf(&Bso, "%d liveness data\n", liveness)
}
Bflush(&Bso)
Errorexit()
}
func Ldmain() {
Bso = bufio.NewWriter(os.Stdout)
Ctxt = linknew(SysArch)
Ctxt.Diag = Diag
Ctxt.Bso = Bso
Debug = [128]int{}
nerrors = 0
outfile = ""
HEADTYPE = -1
INITTEXT = -1
INITDAT = -1
INITRND = -1
INITENTRY = ""
Linkmode = LinkAuto
// For testing behavior of go command when tools crash silently.
// Undocumented, not in standard flag parser to avoid
// exposing in usage message.
for _, arg := range os.Args {
if arg == "-crash_for_testing" {
os.Exit(2)
}
}
if SysArch.Family == sys.AMD64 && obj.Getgoos() == "plan9" {
obj.Flagcount("8", "use 64-bit addresses in symbol table", &Debug['8'])
}
obj.Flagfn1("B", "add an ELF NT_GNU_BUILD_ID `note` when using ELF", addbuildinfo)
obj.Flagcount("C", "check Go calls to C code", &Debug['C'])
obj.Flagint64("D", "set data segment `address`", &INITDAT)
obj.Flagstr("E", "set `entry` symbol name", &INITENTRY)
obj.Flagfn1("I", "use `linker` as ELF dynamic linker", setinterp)
obj.Flagfn1("L", "add specified `directory` to library path", Lflag)
obj.Flagfn1("H", "set header `type`", setheadtype)
obj.Flagint32("R", "set address rounding `quantum`", &INITRND)
obj.Flagint64("T", "set text segment `address`", &INITTEXT)
obj.Flagfn0("V", "print version and exit", doversion)
obj.Flagfn1("X", "add string value `definition` of the form importpath.name=value", addstrdata1)
obj.Flagcount("a", "disassemble output", &Debug['a'])
obj.Flagstr("buildid", "record `id` as Go toolchain build id", &buildid)
flag.Var(&Buildmode, "buildmode", "set build `mode`")
obj.Flagcount("c", "dump call graph", &Debug['c'])
obj.Flagcount("d", "disable dynamic executable", &Debug['d'])
flag.BoolVar(&flag_dumpdep, "dumpdep", false, "dump symbol dependency graph")
obj.Flagstr("extar", "archive program for buildmode=c-archive", &extar)
obj.Flagstr("extld", "use `linker` when linking in external mode", &extld)
obj.Flagstr("extldflags", "pass `flags` to external linker", &extldflags)
obj.Flagcount("f", "ignore version mismatch", &Debug['f'])
obj.Flagcount("g", "disable go package data checks", &Debug['g'])
obj.Flagcount("h", "halt on error", &Debug['h'])
obj.Flagstr("installsuffix", "set package directory `suffix`", &flag_installsuffix)
obj.Flagstr("k", "set field tracking `symbol`", &tracksym)
obj.Flagstr("libgcc", "compiler support lib for internal linking; use \"none\" to disable", &libgccfile)
obj.Flagfn1("linkmode", "set link `mode` (internal, external, auto)", setlinkmode)
flag.BoolVar(&Linkshared, "linkshared", false, "link against installed Go shared libraries")
obj.Flagcount("msan", "enable MSan interface", &flag_msan)
obj.Flagcount("n", "dump symbol table", &Debug['n'])
obj.Flagstr("o", "write output to `file`", &outfile)
flag.Var(&rpath, "r", "set the ELF dynamic linker search `path` to dir1:dir2:...")
obj.Flagcount("race", "enable race detector", &flag_race)
obj.Flagcount("s", "disable symbol table", &Debug['s'])
var flagShared int
if SysArch.InFamily(sys.ARM, sys.AMD64) {
obj.Flagcount("shared", "generate shared object (implies -linkmode external)", &flagShared)
}
obj.Flagstr("tmpdir", "use `directory` for temporary files", &tmpdir)
obj.Flagcount("u", "reject unsafe packages", &Debug['u'])
obj.Flagcount("v", "print link trace", &Debug['v'])
obj.Flagcount("w", "disable DWARF generation", &Debug['w'])
obj.Flagstr("cpuprofile", "write cpu profile to `file`", &cpuprofile)
obj.Flagstr("memprofile", "write memory profile to `file`", &memprofile)
obj.Flagint64("memprofilerate", "set runtime.MemProfileRate to `rate`", &memprofilerate)
obj.Flagparse(usage)
startProfile()
Ctxt.Bso = Bso
Ctxt.Debugvlog = int32(Debug['v'])
if flagShared != 0 {
if Buildmode == BuildmodeUnset {
Buildmode = BuildmodeCShared
} else if Buildmode != BuildmodeCShared {
Exitf("-shared and -buildmode=%s are incompatible", Buildmode.String())
}
}
if Buildmode == BuildmodeUnset {
Buildmode = BuildmodeExe
}
if Buildmode != BuildmodeShared && flag.NArg() != 1 {
usage()
}
if outfile == "" {
outfile = "a.out"
if HEADTYPE == obj.Hwindows {
outfile += ".exe"
}
}
libinit() // creates outfile
if HEADTYPE == -1 {
HEADTYPE = int32(headtype(goos))
}
Ctxt.Headtype = int(HEADTYPE)
if headstring == "" {
headstring = Headstr(int(HEADTYPE))
}
Thearch.Archinit()
if Linkshared && !Iself {
Exitf("-linkshared can only be used on elf systems")
}
if Debug['v'] != 0 {
fmt.Fprintf(Bso, "HEADER = -H%d -T0x%x -D0x%x -R0x%x\n", HEADTYPE, uint64(INITTEXT), uint64(INITDAT), uint32(INITRND))
}
Bso.Flush()
if Buildmode == BuildmodeShared {
for i := 0; i < flag.NArg(); i++ {
arg := flag.Arg(i)
parts := strings.SplitN(arg, "=", 2)
var pkgpath, file string
if len(parts) == 1 {
pkgpath, file = "main", arg
} else {
pkgpath, file = parts[0], parts[1]
}
pkglistfornote = append(pkglistfornote, pkgpath...)
pkglistfornote = append(pkglistfornote, '\n')
addlibpath(Ctxt, "command line", "command line", file, pkgpath, "")
}
} else {
addlibpath(Ctxt, "command line", "command line", flag.Arg(0), "main", "")
}
loadlib()
checkstrdata()
deadcode(Ctxt)
fieldtrack(Ctxt)
callgraph()
doelf()
if HEADTYPE == obj.Hdarwin {
domacho()
}
dostkcheck()
if HEADTYPE == obj.Hwindows {
dope()
}
addexport()
Thearch.Gentext() // trampolines, call stubs, etc.
textbuildid()
textaddress()
pclntab()
findfunctab()
symtab()
dodata()
address()
reloc()
Thearch.Asmb()
undef()
hostlink()
archive()
if Debug['v'] != 0 {
fmt.Fprintf(Bso, "%5.2f cpu time\n", obj.Cputime())
fmt.Fprintf(Bso, "%d symbols\n", len(Ctxt.Allsym))
fmt.Fprintf(Bso, "%d liveness data\n", liveness)
}
Bso.Flush()
errorexit()
}