+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Automatic symbol generation.
-
-// TODO(rsc): Handle go.typelink, go.track symbols.
-// TODO(rsc): Do not handle $f64. and $f32. symbols. Instead, generate those
-// from the compiler and assemblers as dupok data, and then remove autoData below.
-package main
-
-import (
- "cmd/internal/goobj"
- "strconv"
- "strings"
-)
-
-// linkerDefined lists the symbols supplied by other parts of the linker
-// (runtime.go and layout.go).
-var linkerDefined = map[string]bool{
- "runtime.bss": true,
- "runtime.data": true,
- "runtime.ebss": true,
- "runtime.edata": true,
- "runtime.efunctab": true,
- "runtime.end": true,
- "runtime.enoptrbss": true,
- "runtime.enoptrdata": true,
- "runtime.erodata": true,
- "runtime.etext": true,
- "runtime.etypelink": true,
- "runtime.functab": true,
- "runtime.gcbss": true,
- "runtime.gcdata": true,
- "runtime.noptrbss": true,
- "runtime.noptrdata": true,
- "runtime.pclntab": true,
- "runtime.rodata": true,
- "runtime.text": true,
- "runtime.typelink": true,
-}
-
-// isAuto reports whether sym is an automatically-generated data or constant symbol.
-func (p *Prog) isAuto(sym goobj.SymID) bool {
- return strings.HasPrefix(sym.Name, "go.weak.") ||
- strings.HasPrefix(sym.Name, "$f64.") ||
- strings.HasPrefix(sym.Name, "$f32.") ||
- linkerDefined[sym.Name]
-}
-
-// autoData defines the automatically generated data symbols needed by p.
-func (p *Prog) autoData() {
- for sym := range p.Missing {
- switch {
- // Floating-point constants that need to be loaded from memory are
- // written as $f64.{16 hex digits} or $f32.{8 hex digits}; the hex digits
- // give the IEEE bit pattern of the constant. As far as the layout into
- // memory is concerned, we interpret these as uint64 or uint32 constants.
- case strings.HasPrefix(sym.Name, "$f64."), strings.HasPrefix(sym.Name, "$f32."):
- size := 64
- if sym.Name[2:4] == "32" {
- size = 32
- }
- delete(p.Missing, sym)
- fbits, err := strconv.ParseUint(sym.Name[len("$f64."):], 16, size)
- if err != nil {
- p.errorf("unexpected floating point symbol %s", sym)
- continue
- }
- data := make([]byte, size/8)
- if size == 64 {
- p.byteorder.PutUint64(data, fbits)
- } else {
- p.byteorder.PutUint32(data, uint32(fbits))
- }
- p.addSym(&Sym{
- Sym: &goobj.Sym{
- SymID: sym,
- Kind: goobj.SRODATA,
- Size: size / 8,
- },
- Bytes: data,
- })
- }
- }
-}
-
-// autoConst defines the automatically generated constant symbols needed by p.
-func (p *Prog) autoConst() {
- for sym := range p.Missing {
- switch {
- case strings.HasPrefix(sym.Name, "go.weak."):
- // weak symbol resolves to actual symbol if present, or else nil.
- delete(p.Missing, sym)
- targ := sym
- targ.Name = sym.Name[len("go.weak."):]
- var addr Addr
- if s := p.Syms[targ]; s != nil {
- addr = s.Addr
- }
- p.defineConst(sym.Name, addr)
- }
- }
-}
-
-// defineConst defines a new symbol with the given name and constant address.
-func (p *Prog) defineConst(name string, addr Addr) {
- sym := goobj.SymID{Name: name}
- p.addSym(&Sym{
- Sym: &goobj.Sym{
- SymID: sym,
- Kind: goobj.SCONST,
- },
- Package: nil,
- Addr: addr,
- })
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Test for auto-generated symbols.
-
-// There is no test for $f64. and $f32. symbols, because those are
-// not possible to write in the assembler syntax. Instead of changing
-// the assembler to allow that, we plan to change the compilers
-// not to generate such symbols (plain dupok data is sufficient).
-
-package main
-
-import (
- "bytes"
- "cmd/internal/goobj"
- "testing"
-)
-
-// Each test case is an object file, generated from a corresponding .s file.
-// The image of the autotab symbol should be a sequence of pairs of
-// identical 8-byte sequences.
-var autoTests = []string{
- "testdata/autosection.6",
- "testdata/autoweak.6",
-}
-
-func TestAuto(t *testing.T) {
- for _, obj := range autoTests {
- p := Prog{GOOS: "darwin", GOARCH: "amd64", StartSym: "start"}
- p.omitRuntime = true
- p.Error = func(s string) { t.Error(s) }
- var buf bytes.Buffer
- p.link(&buf, obj)
- if p.NumError > 0 {
- continue // already reported
- }
-
- const name = "autotab"
- sym := p.Syms[goobj.SymID{Name: name}]
- if sym == nil {
- t.Errorf("%s is missing %s symbol", obj, name)
- return
- }
- if sym.Size == 0 {
- return
- }
-
- seg := sym.Section.Segment
- off := sym.Addr - seg.VirtAddr
- data := seg.Data[off : off+Addr(sym.Size)]
- if len(data)%16 != 0 {
- t.Errorf("%s: %s.Size = %d, want multiple of 16", obj, name, len(data))
- return
- }
- Data:
- for i := 0; i < len(data); i += 16 {
- have := p.byteorder.Uint64(data[i : i+8])
- want := p.byteorder.Uint64(data[i+8 : i+16])
- if have != want {
- // Look for relocation so we can explain what went wrong.
- for _, r := range sym.Reloc {
- if r.Offset == i {
- t.Errorf("%s: %s+%#x: %s: have %#x want %#x", obj, name, i, r.Sym, have, want)
- continue Data
- }
- }
- t.Errorf("%s: %s+%#x: have %#x want %#x", obj, name, i, have, want)
- }
- }
- }
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Removal of dead code and data.
-
-package main
-
-import "cmd/internal/goobj"
-
-// dead removes unreachable code and data from the program.
-// It is basically a mark-sweep garbage collection: traverse all the
-// symbols reachable from the entry (startSymID) and then delete
-// the rest.
-func (p *Prog) dead() {
- p.Dead = make(map[goobj.SymID]bool)
- reachable := make(map[goobj.SymID]bool)
- p.walkDead(p.startSym, reachable)
-
- for sym := range p.Syms {
- if !reachable[sym] {
- delete(p.Syms, sym)
- p.Dead[sym] = true
- }
- }
-
- for sym := range p.Missing {
- if !reachable[sym] {
- delete(p.Missing, sym)
- p.Dead[sym] = true
- }
- }
-
- p.SymOrder = removeDead(p.SymOrder, reachable)
-
- for _, pkg := range p.Packages {
- pkg.Syms = removeDead(pkg.Syms, reachable)
- }
-}
-
-// walkDead traverses the symbols reachable from sym, adding them to reachable.
-// The caller has verified that reachable[sym] = false.
-func (p *Prog) walkDead(sym goobj.SymID, reachable map[goobj.SymID]bool) {
- reachable[sym] = true
- s := p.Syms[sym]
- if s == nil {
- return
- }
- for i := range s.Reloc {
- r := &s.Reloc[i]
- if !reachable[r.Sym] {
- p.walkDead(r.Sym, reachable)
- }
- }
- if s.Func != nil {
- for _, fdata := range s.Func.FuncData {
- if fdata.Sym.Name != "" && !reachable[fdata.Sym] {
- p.walkDead(fdata.Sym, reachable)
- }
- }
- }
-}
-
-// removeDead removes unreachable (dead) symbols from syms,
-// returning a shortened slice using the same underlying array.
-func removeDead(syms []*Sym, reachable map[goobj.SymID]bool) []*Sym {
- keep := syms[:0]
- for _, sym := range syms {
- if reachable[sym.SymID] {
- keep = append(keep, sym)
- }
- }
- return keep
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package main
-
-import (
- "cmd/internal/goobj"
- "reflect"
- "strings"
- "testing"
-)
-
-// Each test case is an object file, generated from a corresponding .s file.
-// The symbols in the object file with a dead_ prefix are the ones that
-// should be removed from the program.
-var deadTests = []string{
- "testdata/dead.6",
-}
-
-func TestDead(t *testing.T) {
- for _, obj := range deadTests {
- p := Prog{GOOS: "darwin", GOARCH: "amd64", StartSym: "start"}
- p.omitRuntime = true
- p.Error = func(s string) { t.Error(s) }
- p.init()
- p.scan(obj)
- if p.NumError > 0 {
- continue // already reported
- }
- origSyms := copyMap(p.Syms)
- origMissing := copyMap(p.Missing)
- origSymOrder := copySlice(p.SymOrder)
- origPkgSyms := copySlice(p.Packages["main"].Syms)
- p.dead()
- checkDeadMap(t, obj, "p.Syms", origSyms, p.Syms)
- checkDeadMap(t, obj, "p.Missing", origMissing, p.Missing)
- checkDeadSlice(t, obj, "p.SymOrder", origSymOrder, p.SymOrder)
- checkDeadSlice(t, obj, `p.Packages["main"].Syms`, origPkgSyms, p.Packages["main"].Syms)
- }
-}
-
-func copyMap(m interface{}) interface{} {
- v := reflect.ValueOf(m)
- out := reflect.MakeMap(v.Type())
- for _, key := range v.MapKeys() {
- out.SetMapIndex(key, v.MapIndex(key))
- }
- return out.Interface()
-}
-
-func checkDeadMap(t *testing.T, obj, name string, old, new interface{}) {
- vold := reflect.ValueOf(old)
- vnew := reflect.ValueOf(new)
- for _, vid := range vold.MapKeys() {
- id := vid.Interface().(goobj.SymID)
- if strings.HasPrefix(id.Name, "dead_") {
- if vnew.MapIndex(vid).IsValid() {
- t.Errorf("%s: %s contains unnecessary symbol %s", obj, name, id)
- }
- } else {
- if !vnew.MapIndex(vid).IsValid() {
- t.Errorf("%s: %s is missing symbol %s", obj, name, id)
- }
- }
- }
- for _, vid := range vnew.MapKeys() {
- id := vid.Interface().(goobj.SymID)
- if !vold.MapIndex(vid).IsValid() {
- t.Errorf("%s: %s contains unexpected symbol %s", obj, name, id)
- }
- }
-}
-
-func copySlice(x []*Sym) (out []*Sym) {
- return append(out, x...)
-}
-
-func checkDeadSlice(t *testing.T, obj, name string, old, new []*Sym) {
- for i, s := range old {
- if strings.HasPrefix(s.Name, "dead_") {
- continue
- }
- if len(new) == 0 {
- t.Errorf("%s: %s is missing symbol %s\nhave%v\nwant%v", obj, name, s, new, old[i:])
- return
- }
- if new[0].SymID != s.SymID {
- t.Errorf("%s: %s is incorrect: have %s, want %s\nhave%v\nwant%v", obj, name, new[0].SymID, s.SymID, new, old[i:])
- return
- }
- new = new[1:]
- }
- if len(new) > 0 {
- t.Errorf("%s: %s has unexpected symbols: %v", obj, name, new)
- }
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Generation of debug data structures (in the executable but not mapped at run time).
-// See also runtime.go.
-
-package main
-
-func (p *Prog) debug() {
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package main
-
-import (
- "encoding/hex"
- "fmt"
- "io/ioutil"
- "regexp"
- "strconv"
- "strings"
- "testing"
-)
-
-// mustParseHexdumpFile returns a block of data generated by
-// parsing the hex dump in the named file.
-// If the file cannot be read or does not contain a valid hex dump,
-// mustParseHexdumpFile calls t.Fatal.
-func mustParseHexdumpFile(t *testing.T, file string) []byte {
- hex, err := ioutil.ReadFile(file)
- if err != nil {
- t.Fatal(err)
- }
- data, err := parseHexdump(string(hex))
- if err != nil {
- t.Fatal(err)
- }
- return data
-}
-
-// parseHexdump parses the hex dump in text, which should be the
-// output of "hexdump -C" or Plan 9's "xd -b",
-// and returns the original data used to produce the dump.
-// It is meant to enable storing golden binary files as text, so that
-// changes to the golden files can be seen during code reviews.
-func parseHexdump(text string) ([]byte, error) {
- var out []byte
- for _, line := range strings.Split(text, "\n") {
- if i := strings.Index(line, "|"); i >= 0 { // remove text dump
- line = line[:i]
- }
- f := strings.Fields(line)
- if len(f) > 1+16 {
- return nil, fmt.Errorf("parsing hex dump: too many fields on line %q", line)
- }
- if len(f) == 0 || len(f) == 1 && f[0] == "*" { // all zeros block omitted
- continue
- }
- addr64, err := strconv.ParseUint(f[0], 16, 0)
- if err != nil {
- return nil, fmt.Errorf("parsing hex dump: invalid address %q", f[0])
- }
- addr := int(addr64)
- if len(out) < addr {
- out = append(out, make([]byte, addr-len(out))...)
- }
- for _, x := range f[1:] {
- val, err := strconv.ParseUint(x, 16, 8)
- if err != nil {
- return nil, fmt.Errorf("parsing hexdump: invalid hex byte %q", x)
- }
- out = append(out, byte(val))
- }
- }
- return out, nil
-}
-
-func hexdump(data []byte) string {
- text := hex.Dump(data) + fmt.Sprintf("%08x\n", len(data))
- text = regexp.MustCompile(`\n([0-9a-f]+(\s+00){16}.*\n)+`).ReplaceAllString(text, "\n*\n")
- return text
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Executable image layout - address assignment.
-
-package main
-
-import (
- "cmd/internal/goobj"
-)
-
-// A layoutSection describes a single section to add to the
-// final executable. Go binaries only have a fixed set of possible
-// sections, and the symbol kind determines the section.
-type layoutSection struct {
- Segment string
- Section string
- Kind goobj.SymKind
- Index int
-}
-
-// layout defines the layout of the generated Go executable.
-// The order of entries here is the order in the executable.
-// Entries with the same Segment name must be contiguous.
-var layout = []layoutSection{
- {Segment: "text", Section: "text", Kind: goobj.STEXT},
- {Segment: "rodata", Section: "rodata", Kind: goobj.SRODATA},
- {Segment: "rodata", Section: "functab", Kind: goobj.SPCLNTAB},
- {Segment: "rodata", Section: "typelink", Kind: goobj.STYPELINK},
- {Segment: "data", Section: "noptrdata", Kind: goobj.SNOPTRDATA},
- {Segment: "data", Section: "data", Kind: goobj.SDATA},
- {Segment: "data", Section: "bss", Kind: goobj.SBSS},
- {Segment: "data", Section: "noptrbss", Kind: goobj.SNOPTRBSS},
-
- // Later:
- // {"rodata", "type", goobj.STYPE},
- // {"rodata", "string", goobj.SSTRING},
- // {"rodata", "gostring", goobj.SGOSTRING},
- // {"rodata", "gofunc", goobj.SGOFUNC},
-}
-
-// layoutByKind maps from SymKind to an entry in layout.
-var layoutByKind []*layoutSection
-
-func init() {
- // Build index from symbol type to layout entry.
- max := 0
- for _, sect := range layout {
- if max <= int(sect.Kind) {
- max = int(sect.Kind) + 1
- }
- }
- layoutByKind = make([]*layoutSection, max)
- for i := range layout {
- sect := &layout[i]
- layoutByKind[sect.Kind] = sect
- sect.Index = i
- }
-}
-
-// layout arranges symbols into sections and sections into segments,
-// and then it assigns addresses to segments, sections, and symbols.
-func (p *Prog) layout() {
- sections := make([]*Section, len(layout))
-
- // Assign symbols to sections using index, creating sections as needed.
- // Could keep sections separated by type during input instead.
- for _, sym := range p.SymOrder {
- kind := sym.Kind
- if kind < 0 || int(kind) >= len(layoutByKind) || layoutByKind[kind] == nil {
- p.errorf("%s: unexpected symbol kind %v", sym.SymID, kind)
- continue
- }
- lsect := layoutByKind[kind]
- sect := sections[lsect.Index]
- if sect == nil {
- sect = &Section{
- Name: lsect.Section,
- Align: 1,
- }
- sections[lsect.Index] = sect
- }
- if sym.Data.Size > 0 || len(sym.Bytes) > 0 {
- sect.InFile = true
- }
- sym.Section = sect
- sect.Syms = append(sect.Syms, sym)
-
- // TODO(rsc): Incorporate alignment information.
- // First that information needs to be added to the object files.
- //
- // if sect.Align < Addr(sym.Align) {
- // sect.Align = Addr(sym.Align)
- // }
- }
-
- // Assign sections to segments, creating segments as needed.
- var seg *Segment
- for i, sect := range sections {
- if sect == nil {
- continue
- }
- segName := layout[i].Segment
-
- // Special case: Mach-O does not support "rodata" segment,
- // so store read-only data in text segment.
- if p.GOOS == "darwin" && segName == "rodata" {
- segName = "text"
- }
-
- if seg == nil || seg.Name != segName {
- seg = &Segment{
- Name: segName,
- }
- p.Segments = append(p.Segments, seg)
- }
- sect.Segment = seg
- seg.Sections = append(seg.Sections, sect)
- }
-
- // Assign addresses.
-
- // TODO(rsc): This choice needs to be informed by both
- // the formatter and the target architecture.
- // And maybe eventually a command line flag (sigh).
- const segAlign = 4096
-
- // TODO(rsc): Use a larger amount on most systems, which will let the
- // compiler eliminate more nil checks.
- if p.UnmappedSize == 0 {
- p.UnmappedSize = segAlign
- }
-
- // TODO(rsc): addr := Addr(0) when generating a shared library or PIE.
- addr := p.UnmappedSize
-
- // Account for initial file header.
- hdrVirt, hdrFile := p.formatter.headerSize(p)
- addr += hdrVirt
-
- // Assign addresses to segments, sections, symbols.
- // Assign sizes to segments, sections.
- startVirt := addr
- startFile := hdrFile
- for _, seg := range p.Segments {
- addr = round(addr, segAlign)
- seg.VirtAddr = addr
- seg.FileOffset = startFile + seg.VirtAddr - startVirt
- for _, sect := range seg.Sections {
- addr = round(addr, sect.Align)
- sect.VirtAddr = addr
- for _, sym := range sect.Syms {
- // TODO(rsc): Respect alignment once we have that information.
- sym.Addr = addr
- addr += Addr(sym.Size)
- }
- sect.Size = addr - sect.VirtAddr
- if sect.InFile {
- seg.FileSize = addr - seg.VirtAddr
- }
- }
- seg.VirtSize = addr - seg.VirtAddr
- }
-
- // Define symbols for section names.
- var progEnd Addr
- for i, sect := range sections {
- name := layout[i].Section
- var start, end Addr
- if sect != nil {
- start = sect.VirtAddr
- end = sect.VirtAddr + sect.Size
- }
- p.defineConst("runtime."+name, start)
- p.defineConst("runtime.e"+name, end)
- progEnd = end
- }
- p.defineConst("runtime.end", progEnd)
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package main
-
-import (
- "bytes"
- "strings"
- "testing"
-)
-
-func TestLayout(t *testing.T) {
- p := Prog{GOOS: "darwin", GOARCH: "amd64", StartSym: "text_start"}
- p.omitRuntime = true
- p.Error = func(s string) { t.Error(s) }
- var buf bytes.Buffer
- const obj = "testdata/layout.6"
- p.link(&buf, obj)
- if p.NumError > 0 {
- return // already reported
- }
- if len(p.Dead) > 0 {
- t.Errorf("%s: unexpected dead symbols %v", obj, p.Dead)
- return
- }
-
- for _, sym := range p.SymOrder {
- if p.isAuto(sym.SymID) {
- continue
- }
- if sym.Section == nil {
- t.Errorf("%s: symbol %s is missing section", obj, sym)
- continue
- }
- i := strings.Index(sym.Name, "_")
- if i < 0 {
- t.Errorf("%s: unexpected symbol %s", obj, sym)
- continue
- }
- if sym.Section.Name != sym.Name[:i] {
- t.Errorf("%s: symbol %s in section %s, want %s", obj, sym, sym.Section.Name, sym.Name[:i])
- }
- }
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package main
-
-import (
- "bytes"
- "cmd/internal/goobj"
- "io/ioutil"
- "testing"
-)
-
-func TestLinkHello(t *testing.T) {
- p := &Prog{
- GOOS: "darwin",
- GOARCH: "amd64",
- Error: func(s string) { t.Error(s) },
- StartSym: "_rt0_go",
- }
- var buf bytes.Buffer
- p.link(&buf, "testdata/hello.6")
- if p.NumError > 0 {
- return
- }
- if p.Syms[goobj.SymID{"_rt0_go", 0}] == nil || p.Syms[goobj.SymID{"hello", 1}] == nil {
- t.Errorf("Syms = %v, want at least [_rt0_go hello<1>]", p.Syms)
- }
-
- // uncomment to leave file behind for execution:
- if false {
- ioutil.WriteFile("a.out", buf.Bytes(), 0777)
- }
- checkGolden(t, buf.Bytes(), "testdata/link.hello.darwin.amd64")
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Loading of code and data fragments from package files into final image.
-
-package main
-
-import "os"
-
-// load allocates segment images, populates them with data
-// read from package files, and applies relocations to the data.
-func (p *Prog) load() {
- // TODO(rsc): mmap the output file and store the data directly.
- // That will make writing the output file more efficient.
- for _, seg := range p.Segments {
- seg.Data = make([]byte, seg.FileSize)
- }
- for _, pkg := range p.Packages {
- p.loadPackage(pkg)
- }
-}
-
-// loadPackage loads and relocates data for all the
-// symbols needed in the given package.
-func (p *Prog) loadPackage(pkg *Package) {
- if pkg.File == "" {
- // This "package" contains internally generated symbols only.
- // All such symbols have a sym.Bytes field holding the actual data
- // (if any), plus relocations.
- for _, sym := range pkg.Syms {
- if sym.Bytes == nil {
- continue
- }
- seg := sym.Section.Segment
- off := sym.Addr - seg.VirtAddr
- data := seg.Data[off : off+Addr(sym.Size)]
- copy(data, sym.Bytes)
- p.relocateSym(sym, data)
- }
- return
- }
-
- // Package stored in file.
- f, err := os.Open(pkg.File)
- if err != nil {
- p.errorf("%v", err)
- return
- }
- defer f.Close()
-
- // TODO(rsc): Mmap file into memory.
-
- for _, sym := range pkg.Syms {
- if sym.Data.Size == 0 {
- continue
- }
- // TODO(rsc): If not using mmap, at least coalesce nearby reads.
- if sym.Section == nil {
- p.errorf("internal error: missing section for %s", sym.Name)
- }
- seg := sym.Section.Segment
- off := sym.Addr - seg.VirtAddr
- if off >= Addr(len(seg.Data)) || off+Addr(sym.Data.Size) > Addr(len(seg.Data)) {
- p.errorf("internal error: allocated space for %s too small: %d bytes for %d+%d (%d)", sym, len(seg.Data), off, sym.Data.Size, sym.Size)
- }
- data := seg.Data[off : off+Addr(sym.Data.Size)]
- _, err := f.ReadAt(data, sym.Data.Offset)
- if err != nil {
- p.errorf("reading %v: %v", sym.SymID, err)
- }
- p.relocateSym(sym, data)
- }
-}
-
-// TODO(rsc): Define full enumeration for relocation types.
-const (
- R_ADDR = 1
- R_SIZE = 2
- R_CALL = 3
- R_CALLARM = 4
- R_CALLIND = 5
- R_CONST = 6
- R_PCREL = 7
-)
-
-// relocateSym applies relocations to sym's data.
-func (p *Prog) relocateSym(sym *Sym, data []byte) {
- for i := range sym.Reloc {
- r := &sym.Reloc[i]
- targ := p.Syms[r.Sym]
- if targ == nil {
- p.errorf("%v: reference to undefined symbol %v", sym, r.Sym)
- continue
- }
- val := targ.Addr + Addr(r.Add)
- switch r.Type {
- default:
- p.errorf("%v: unknown relocation type %d", sym, r.Type)
- case R_ADDR, R_CALLIND:
- // ok
- case R_PCREL, R_CALL:
- val -= sym.Addr + Addr(r.Offset+r.Size)
- }
- frag := data[r.Offset : r.Offset+r.Size]
- switch r.Size {
- default:
- p.errorf("%v: unknown relocation size %d", sym, r.Size)
- case 4:
- // TODO(rsc): Check for overflow?
- p.byteorder.PutUint32(frag, uint32(val))
- case 8:
- p.byteorder.PutUint64(frag, uint64(val))
- }
- }
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Mach-O (Darwin) object file writing.
-
-package main
-
-import (
- "debug/macho"
- "encoding/binary"
- "io"
- "strings"
-)
-
-// machoFormat is the implementation of formatter.
-type machoFormat struct{}
-
-// machoHeader and friends are data structures
-// corresponding to the Mach-O file header
-// to be written to disk.
-
-const (
- macho64Bit = 1 << 24
- machoSubCPU386 = 3
-)
-
-// machoArch describes a Mach-O target architecture.
-type machoArch struct {
- CPU uint32
- SubCPU uint32
-}
-
-// machoHeader is the Mach-O file header.
-type machoHeader struct {
- machoArch
- FileType uint32
- Loads []*machoLoad
- Segments []*machoSegment
- p *Prog // for reporting errors
-}
-
-// machoLoad is a Mach-O load command.
-type machoLoad struct {
- Type uint32
- Data []uint32
-}
-
-// machoSegment is a Mach-O segment.
-type machoSegment struct {
- Name string
- VirtAddr Addr
- VirtSize Addr
- FileOffset Addr
- FileSize Addr
- Prot1 uint32
- Prot2 uint32
- Flags uint32
- Sections []*machoSection
-}
-
-// machoSection is a Mach-O section, inside a segment.
-type machoSection struct {
- Name string
- Segment string
- Addr Addr
- Size Addr
- Offset uint32
- Align uint32
- Reloc uint32
- Nreloc uint32
- Flags uint32
- Res1 uint32
- Res2 uint32
-}
-
-// layout positions the segments and sections in p
-// to make room for the Mach-O file header.
-// That is, it edits their VirtAddr fields to adjust for the presence
-// of the Mach-O header at the beginning of the address space.
-func (machoFormat) headerSize(p *Prog) (virt, file Addr) {
- var h machoHeader
- h.init(p)
- size := Addr(h.size())
- size = round(size, 4096)
- p.HeaderSize = size
- return size, size
-}
-
-// write writes p to w as a Mach-O executable.
-// layout(p) must have already been called,
-// and the number, sizes, and addresses of the segments
-// and sections must not have been modified since the call.
-func (machoFormat) write(w io.Writer, p *Prog) {
- var h machoHeader
- h.init(p)
- off := Addr(0)
- enc := h.encode()
- w.Write(enc)
- off += Addr(len(enc))
- for _, seg := range p.Segments {
- if seg.FileOffset < off {
- h.p.errorf("mach-o error: invalid file offset")
- }
- w.Write(make([]byte, int(seg.FileOffset-off)))
- if seg.FileSize != Addr(len(seg.Data)) {
- h.p.errorf("mach-o error: invalid file size")
- }
- w.Write(seg.Data)
- off = seg.FileOffset + Addr(len(seg.Data))
- }
-}
-
-// Conversion of Prog to macho data structures.
-
-// machoArches maps from GOARCH to machoArch.
-var machoArches = map[string]machoArch{
- "amd64": {
- CPU: uint32(macho.CpuAmd64),
- SubCPU: uint32(machoSubCPU386),
- },
-}
-
-// init initializes the header h to describe p.
-func (h *machoHeader) init(p *Prog) {
- h.p = p
- h.Segments = nil
- h.Loads = nil
- var ok bool
- h.machoArch, ok = machoArches[p.GOARCH]
- if !ok {
- p.errorf("mach-o: unknown target GOARCH %q", p.GOARCH)
- return
- }
- h.FileType = uint32(macho.TypeExec)
-
- mseg := h.addSegment(p, "__PAGEZERO", nil)
- mseg.VirtSize = p.UnmappedSize
-
- for _, seg := range p.Segments {
- h.addSegment(p, "__"+strings.ToUpper(seg.Name), seg)
- }
-
- var data []uint32
- switch h.CPU {
- default:
- p.errorf("mach-o: unknown cpu %#x for GOARCH %q", h.CPU, p.GOARCH)
- case uint32(macho.CpuAmd64):
- data = make([]uint32, 2+42)
- data[0] = 4 // thread type
- data[1] = 42 // word count
- data[2+32] = uint32(p.Entry) // RIP register, in two parts
- data[2+32+1] = uint32(p.Entry >> 32)
- }
-
- h.Loads = append(h.Loads, &machoLoad{
- Type: uint32(macho.LoadCmdUnixThread),
- Data: data,
- })
-}
-
-// addSegment adds to h a Mach-O segment like seg with the given name.
-func (h *machoHeader) addSegment(p *Prog, name string, seg *Segment) *machoSegment {
- mseg := &machoSegment{
- Name: name,
- }
- h.Segments = append(h.Segments, mseg)
- if seg == nil {
- return mseg
- }
-
- mseg.VirtAddr = seg.VirtAddr
- mseg.VirtSize = seg.VirtSize
- mseg.FileOffset = round(seg.FileOffset, 4096)
- mseg.FileSize = seg.FileSize
-
- if name == "__TEXT" {
- // Initially RWX, then just RX
- mseg.Prot1 = 7
- mseg.Prot2 = 5
-
- // Text segment maps Mach-O header, needed by dynamic linker.
- mseg.VirtAddr -= p.HeaderSize
- mseg.VirtSize += p.HeaderSize
- mseg.FileOffset -= p.HeaderSize
- mseg.FileSize += p.HeaderSize
- } else {
- // RW
- mseg.Prot1 = 3
- mseg.Prot2 = 3
- }
-
- for _, sect := range seg.Sections {
- h.addSection(mseg, seg, sect)
- }
- return mseg
-}
-
-// addSection adds to mseg a Mach-O section like sect, inside seg, with the given name.
-func (h *machoHeader) addSection(mseg *machoSegment, seg *Segment, sect *Section) {
- msect := &machoSection{
- Name: "__" + sect.Name,
- Segment: mseg.Name,
- // Reloc: sect.RelocOffset,
- // NumReloc: sect.RelocLen / 8,
- Addr: sect.VirtAddr,
- Size: sect.Size,
- }
- mseg.Sections = append(mseg.Sections, msect)
-
- for 1<<msect.Align < sect.Align {
- msect.Align++
- }
-
- if off := sect.VirtAddr - seg.VirtAddr; off < seg.FileSize {
- // Data in file.
- if sect.Size > seg.FileSize-off {
- h.p.errorf("mach-o error: section crosses file boundary")
- }
- msect.Offset = uint32(seg.FileOffset + off)
- } else {
- // Zero filled.
- msect.Flags |= 1
- }
-
- if sect.Name == "text" {
- msect.Flags |= 0x400 // contains executable instructions
- }
-}
-
-// A machoWriter helps write Mach-O headers.
-// It is basically a buffer with some helper routines for writing integers.
-type machoWriter struct {
- dst []byte
- tmp [8]byte
- order binary.ByteOrder
- is64 bool
- p *Prog
-}
-
-// if64 returns x if w is writing a 64-bit object file; otherwise it returns y.
-func (w *machoWriter) if64(x, y interface{}) interface{} {
- if w.is64 {
- return x
- }
- return y
-}
-
-// encode encodes each of the given arguments into the writer.
-// It encodes uint32, []uint32, uint64, and []uint64 by writing each value
-// in turn in the correct byte order for the output file.
-// It encodes an Addr as a uint64 if writing a 64-bit output file, or else as a uint32.
-// It encodes []byte and string by writing the raw bytes (no length prefix).
-// It skips nil values in the args list.
-func (w *machoWriter) encode(args ...interface{}) {
- for _, arg := range args {
- switch arg := arg.(type) {
- default:
- w.p.errorf("mach-o error: cannot encode %T", arg)
- case nil:
- // skip
- case []byte:
- w.dst = append(w.dst, arg...)
- case string:
- w.dst = append(w.dst, arg...)
- case uint32:
- w.order.PutUint32(w.tmp[:], arg)
- w.dst = append(w.dst, w.tmp[:4]...)
- case []uint32:
- for _, x := range arg {
- w.order.PutUint32(w.tmp[:], x)
- w.dst = append(w.dst, w.tmp[:4]...)
- }
- case uint64:
- w.order.PutUint64(w.tmp[:], arg)
- w.dst = append(w.dst, w.tmp[:8]...)
- case Addr:
- if w.is64 {
- w.order.PutUint64(w.tmp[:], uint64(arg))
- w.dst = append(w.dst, w.tmp[:8]...)
- } else {
- if Addr(uint32(arg)) != arg {
- w.p.errorf("mach-o error: truncating address %#x to uint32", arg)
- }
- w.order.PutUint32(w.tmp[:], uint32(arg))
- w.dst = append(w.dst, w.tmp[:4]...)
- }
- }
- }
-}
-
-// segmentSize returns the size of the encoding of seg in bytes.
-func (w *machoWriter) segmentSize(seg *machoSegment) int {
- if w.is64 {
- return 18*4 + 20*4*len(seg.Sections)
- }
- return 14*4 + 22*4*len(seg.Sections)
-}
-
-// zeroPad returns the string s truncated or padded with NULs to n bytes.
-func zeroPad(s string, n int) string {
- if len(s) >= n {
- return s[:n]
- }
- return s + strings.Repeat("\x00", n-len(s))
-}
-
-// size returns the encoded size of the header.
-func (h *machoHeader) size() int {
- // Could write separate code, but encoding is cheap; encode and throw it away.
- return len(h.encode())
-}
-
-// encode returns the Mach-O encoding of the header.
-func (h *machoHeader) encode() []byte {
- w := &machoWriter{p: h.p}
- w.is64 = h.CPU&macho64Bit != 0
- w.order = w.p.byteorder
-
- loadSize := 0
- for _, seg := range h.Segments {
- loadSize += w.segmentSize(seg)
- }
- for _, l := range h.Loads {
- loadSize += 4 * (2 + len(l.Data))
- }
-
- w.encode(
- w.if64(macho.Magic64, macho.Magic32),
- uint32(h.CPU),
- uint32(h.SubCPU),
- uint32(h.FileType),
- uint32(len(h.Loads)+len(h.Segments)),
- uint32(loadSize),
- uint32(1),
- w.if64(uint32(0), nil),
- )
-
- for _, seg := range h.Segments {
- w.encode(
- w.if64(uint32(macho.LoadCmdSegment64), uint32(macho.LoadCmdSegment)),
- uint32(w.segmentSize(seg)),
- zeroPad(seg.Name, 16),
- seg.VirtAddr,
- seg.VirtSize,
- seg.FileOffset,
- seg.FileSize,
- seg.Prot1,
- seg.Prot2,
- uint32(len(seg.Sections)),
- seg.Flags,
- )
- for _, sect := range seg.Sections {
- w.encode(
- zeroPad(sect.Name, 16),
- zeroPad(seg.Name, 16),
- sect.Addr,
- sect.Size,
- sect.Offset,
- sect.Align,
- sect.Reloc,
- sect.Nreloc,
- sect.Flags,
- sect.Res1,
- sect.Res2,
- w.if64(uint32(0), nil),
- )
- }
- }
-
- for _, load := range h.Loads {
- w.encode(
- load.Type,
- uint32(4*(2+len(load.Data))),
- load.Data,
- )
- }
-
- return w.dst
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package main
-
-import (
- "bytes"
- "debug/macho"
- "encoding/binary"
- "fmt"
- "io/ioutil"
- "strings"
- "testing"
-)
-
-// Test macho writing by checking that each generated prog can be written
-// and then read back using debug/macho to get the same prog.
-// Also check against golden testdata file.
-var machoWriteTests = []struct {
- name string
- golden bool
- prog *Prog
-}{
- // amd64 exit 9
- {
- name: "exit9",
- golden: true,
- prog: &Prog{
- GOARCH: "amd64",
- GOOS: "darwin",
- UnmappedSize: 0x1000,
- Entry: 0x1000,
- Segments: []*Segment{
- {
- Name: "text",
- VirtAddr: 0x1000,
- VirtSize: 13,
- FileOffset: 0,
- FileSize: 13,
- Data: []byte{
- 0xb8, 0x01, 0x00, 0x00, 0x02, // MOVL $0x2000001, AX
- 0xbf, 0x09, 0x00, 0x00, 0x00, // MOVL $9, DI
- 0x0f, 0x05, // SYSCALL
- 0xf4, // HLT
- },
- Sections: []*Section{
- {
- Name: "text",
- VirtAddr: 0x1000,
- Size: 13,
- Align: 64,
- },
- },
- },
- },
- },
- },
-
- // amd64 write hello world & exit 9
- {
- name: "hello",
- golden: true,
- prog: &Prog{
- GOARCH: "amd64",
- GOOS: "darwin",
- UnmappedSize: 0x1000,
- Entry: 0x1000,
- Segments: []*Segment{
- {
- Name: "text",
- VirtAddr: 0x1000,
- VirtSize: 35,
- FileOffset: 0,
- FileSize: 35,
- Data: []byte{
- 0xb8, 0x04, 0x00, 0x00, 0x02, // MOVL $0x2000001, AX
- 0xbf, 0x01, 0x00, 0x00, 0x00, // MOVL $1, DI
- 0xbe, 0x00, 0x30, 0x00, 0x00, // MOVL $0x3000, SI
- 0xba, 0x0c, 0x00, 0x00, 0x00, // MOVL $12, DX
- 0x0f, 0x05, // SYSCALL
- 0xb8, 0x01, 0x00, 0x00, 0x02, // MOVL $0x2000001, AX
- 0xbf, 0x09, 0x00, 0x00, 0x00, // MOVL $9, DI
- 0x0f, 0x05, // SYSCALL
- 0xf4, // HLT
- },
- Sections: []*Section{
- {
- Name: "text",
- VirtAddr: 0x1000,
- Size: 35,
- Align: 64,
- },
- },
- },
- {
- Name: "data",
- VirtAddr: 0x2000,
- VirtSize: 12,
- FileOffset: 0x1000,
- FileSize: 12,
- Data: []byte("hello world\n"),
- Sections: []*Section{
- {
- Name: "data",
- VirtAddr: 0x2000,
- Size: 12,
- Align: 64,
- },
- },
- },
- },
- },
- },
-
- // amd64 write hello world from rodata & exit 0
- {
- name: "helloro",
- golden: true,
- prog: &Prog{
- GOARCH: "amd64",
- GOOS: "darwin",
- UnmappedSize: 0x1000,
- Entry: 0x1000,
- Segments: []*Segment{
- {
- Name: "text",
- VirtAddr: 0x1000,
- VirtSize: 0x100c,
- FileOffset: 0,
- FileSize: 0x100c,
- Data: concat(
- []byte{
- 0xb8, 0x04, 0x00, 0x00, 0x02, // MOVL $0x2000001, AX
- 0xbf, 0x01, 0x00, 0x00, 0x00, // MOVL $1, DI
- 0xbe, 0x00, 0x30, 0x00, 0x00, // MOVL $0x3000, SI
- 0xba, 0x0c, 0x00, 0x00, 0x00, // MOVL $12, DX
- 0x0f, 0x05, // SYSCALL
- 0xb8, 0x01, 0x00, 0x00, 0x02, // MOVL $0x2000001, AX
- 0xbf, 0x00, 0x00, 0x00, 0x00, // MOVL $0, DI
- 0x0f, 0x05, // SYSCALL
- 0xf4, // HLT
- },
- make([]byte, 0x1000-35),
- []byte("hello world\n"),
- ),
- Sections: []*Section{
- {
- Name: "text",
- VirtAddr: 0x1000,
- Size: 35,
- Align: 64,
- },
- {
- Name: "rodata",
- VirtAddr: 0x2000,
- Size: 12,
- Align: 64,
- },
- },
- },
- },
- },
- },
-}
-
-func concat(xs ...[]byte) []byte {
- var out []byte
- for _, x := range xs {
- out = append(out, x...)
- }
- return out
-}
-
-func TestMachoWrite(t *testing.T) {
- for _, tt := range machoWriteTests {
- name := tt.prog.GOARCH + "." + tt.name
- prog := cloneProg(tt.prog)
- prog.init()
- var f machoFormat
- vsize, fsize := f.headerSize(prog)
- shiftProg(prog, vsize, fsize)
- var buf bytes.Buffer
- f.write(&buf, prog)
- if false { // enable to debug
- ioutil.WriteFile("a.out", buf.Bytes(), 0777)
- }
- read, err := machoRead(machoArches[tt.prog.GOARCH], buf.Bytes())
- if err != nil {
- t.Errorf("%s: reading mach-o output:\n\t%v", name, err)
- continue
- }
- diffs := diffProg(read, prog)
- if diffs != nil {
- t.Errorf("%s: mismatched prog:\n\t%s", name, strings.Join(diffs, "\n\t"))
- continue
- }
- if !tt.golden {
- continue
- }
- checkGolden(t, buf.Bytes(), "testdata/macho."+name)
- }
-}
-
-// machoRead reads the mach-o file in data and returns a corresponding prog.
-func machoRead(arch machoArch, data []byte) (*Prog, error) {
- f, err := macho.NewFile(bytes.NewReader(data))
- if err != nil {
- return nil, err
- }
-
- var errors []string
- errorf := func(format string, args ...interface{}) {
- errors = append(errors, fmt.Sprintf(format, args...))
- }
-
- magic := uint32(0xFEEDFACE)
- if arch.CPU&macho64Bit != 0 {
- magic |= 1
- }
- if f.Magic != magic {
- errorf("header: Magic = %#x, want %#x", f.Magic, magic)
- }
- if f.Cpu != macho.CpuAmd64 {
- errorf("header: CPU = %#x, want %#x", f.Cpu, macho.CpuAmd64)
- }
- if f.SubCpu != 3 {
- errorf("header: SubCPU = %#x, want %#x", f.SubCpu, 3)
- }
- if f.Type != 2 {
- errorf("header: FileType = %d, want %d", f.Type, 2)
- }
- if f.Flags != 1 {
- errorf("header: Flags = %d, want %d", f.Flags, 1)
- }
-
- msects := f.Sections
- var limit uint64
- prog := new(Prog)
- for _, load := range f.Loads {
- switch load := load.(type) {
- default:
- errorf("unexpected macho load %T %x", load, load.Raw())
-
- case macho.LoadBytes:
- if len(load) < 8 || len(load)%4 != 0 {
- errorf("unexpected load length %d", len(load))
- continue
- }
- cmd := f.ByteOrder.Uint32(load)
- switch macho.LoadCmd(cmd) {
- default:
- errorf("unexpected macho load cmd %s", macho.LoadCmd(cmd))
- case macho.LoadCmdUnixThread:
- data := make([]uint32, len(load[8:])/4)
- binary.Read(bytes.NewReader(load[8:]), f.ByteOrder, data)
- if len(data) != 44 {
- errorf("macho thread len(data) = %d, want 42", len(data))
- continue
- }
- if data[0] != 4 {
- errorf("macho thread type = %d, want 4", data[0])
- }
- if data[1] != uint32(len(data))-2 {
- errorf("macho thread desc len = %d, want %d", data[1], uint32(len(data))-2)
- continue
- }
- for i, val := range data[2:] {
- switch i {
- default:
- if val != 0 {
- errorf("macho thread data[%d] = %#x, want 0", i, val)
- }
- case 32:
- prog.Entry = Addr(val)
- case 33:
- prog.Entry |= Addr(val) << 32
- }
- }
- }
-
- case *macho.Segment:
- if load.Addr < limit {
- errorf("segments out of order: %q at %#x after %#x", load.Name, load.Addr, limit)
- }
- limit = load.Addr + load.Memsz
- if load.Name == "__PAGEZERO" || load.Addr == 0 && load.Filesz == 0 {
- if load.Name != "__PAGEZERO" {
- errorf("segment with Addr=0, Filesz=0 is named %q, want %q", load.Name, "__PAGEZERO")
- } else if load.Addr != 0 || load.Filesz != 0 {
- errorf("segment %q has Addr=%#x, Filesz=%d, want Addr=%#x, Filesz=%d", load.Name, load.Addr, load.Filesz, 0, 0)
- }
- prog.UnmappedSize = Addr(load.Memsz)
- continue
- }
-
- if !strings.HasPrefix(load.Name, "__") {
- errorf("segment name %q does not begin with %q", load.Name, "__")
- }
- if strings.ToUpper(load.Name) != load.Name {
- errorf("segment name %q is not all upper case", load.Name)
- }
-
- seg := &Segment{
- Name: strings.ToLower(strings.TrimPrefix(load.Name, "__")),
- VirtAddr: Addr(load.Addr),
- VirtSize: Addr(load.Memsz),
- FileOffset: Addr(load.Offset),
- FileSize: Addr(load.Filesz),
- }
- prog.Segments = append(prog.Segments, seg)
-
- data, err := load.Data()
- if err != nil {
- errorf("loading data from %q: %v", load.Name, err)
- }
- seg.Data = data
-
- var maxprot, prot uint32
- if load.Name == "__TEXT" {
- maxprot, prot = 7, 5
- } else {
- maxprot, prot = 3, 3
- }
- if load.Maxprot != maxprot || load.Prot != prot {
- errorf("segment %q protection is %d, %d, want %d, %d",
- load.Name, load.Maxprot, load.Prot, maxprot, prot)
- }
-
- for len(msects) > 0 && msects[0].Addr < load.Addr+load.Memsz {
- msect := msects[0]
- msects = msects[1:]
-
- if msect.Offset > 0 && prog.HeaderSize == 0 {
- prog.HeaderSize = Addr(msect.Offset)
- if seg.FileOffset != 0 {
- errorf("initial segment %q does not map header", load.Name)
- }
- seg.VirtAddr += prog.HeaderSize
- seg.VirtSize -= prog.HeaderSize
- seg.FileOffset += prog.HeaderSize
- seg.FileSize -= prog.HeaderSize
- seg.Data = seg.Data[prog.HeaderSize:]
- }
-
- if msect.Addr < load.Addr {
- errorf("section %q at address %#x is missing segment", msect.Name, msect.Addr)
- continue
- }
-
- if !strings.HasPrefix(msect.Name, "__") {
- errorf("section name %q does not begin with %q", msect.Name, "__")
- }
- if strings.ToLower(msect.Name) != msect.Name {
- errorf("section name %q is not all lower case", msect.Name)
- }
- if msect.Seg != load.Name {
- errorf("section %q is lists segment name %q, want %q",
- msect.Name, msect.Seg, load.Name)
- }
- if uint64(msect.Offset) != uint64(load.Offset)+msect.Addr-load.Addr {
- errorf("section %q file offset is %#x, want %#x",
- msect.Name, msect.Offset, load.Offset+msect.Addr-load.Addr)
- }
- if msect.Reloff != 0 || msect.Nreloc != 0 {
- errorf("section %q has reloff %d,%d, want %d,%d",
- msect.Name, msect.Reloff, msect.Nreloc, 0, 0)
- }
- flags := uint32(0)
- if msect.Name == "__text" {
- flags = 0x400
- }
- if msect.Offset == 0 {
- flags = 1
- }
- if msect.Flags != flags {
- errorf("section %q flags = %#x, want %#x", msect.Name, msect.Flags, flags)
- }
- sect := &Section{
- Name: strings.ToLower(strings.TrimPrefix(msect.Name, "__")),
- VirtAddr: Addr(msect.Addr),
- Size: Addr(msect.Size),
- Align: 1 << msect.Align,
- }
- seg.Sections = append(seg.Sections, sect)
- }
- }
- }
-
- for _, msect := range msects {
- errorf("section %q has no segment", msect.Name)
- }
-
- limit = 0
- for _, msect := range f.Sections {
- if msect.Addr < limit {
- errorf("sections out of order: %q at %#x after %#x", msect.Name, msect.Addr, limit)
- }
- limit = msect.Addr + msect.Size
- }
-
- err = nil
- if errors != nil {
- err = fmt.Errorf("%s", strings.Join(errors, "\n\t"))
- }
- return prog, err
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Placeholder to keep build building.
-
-package main
-
-func main() {}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Generation of runtime function information (pclntab).
-
-package main
-
-import (
- "cmd/internal/goobj"
- "encoding/binary"
- "os"
- "sort"
-)
-
-var zerofunc goobj.Func
-
-// pclntab collects the runtime function data for each function that will
-// be listed in the binary and builds a single table describing all functions.
-// This table is used at run time for stack traces and to look up PC-specific
-// information during garbage collection. The symbol created is named
-// "pclntab" for historical reasons; the scope of the table has grown to
-// include more than just PC/line number correspondences.
-// The table format is documented at http://golang.org/s/go12symtab.
-func (p *Prog) pclntab() {
- // Count number of functions going into the binary,
- // so that we can size the initial index correctly.
- nfunc := 0
- for _, sym := range p.SymOrder {
- if sym.Kind != goobj.STEXT {
- continue
- }
- nfunc++
- }
-
- // Table header.
- buf := new(SymBuffer)
- buf.Init(p)
- buf.SetSize(8 + p.ptrsize)
- off := 0
- off = buf.Uint32(off, 0xfffffffb)
- off = buf.Uint8(off, 0)
- off = buf.Uint8(off, 0)
- off = buf.Uint8(off, uint8(p.pcquantum))
- off = buf.Uint8(off, uint8(p.ptrsize))
- off = buf.Uint(off, uint64(nfunc), p.ptrsize)
- indexOff := off
- off += (nfunc*2 + 1) * p.ptrsize // function index, to be filled in
- off += 4 // file table start offset, to be filled in
- buf.SetSize(off)
-
- // One-file cache for reading PCData tables from package files.
- // TODO(rsc): Better I/O strategy.
- var (
- file *os.File
- fname string
- )
-
- // Files gives the file numbering for source file names recorded
- // in the binary.
- files := make(map[string]int)
-
- // Build the table, build the index, and build the file name numbering.
- // The loop here must visit functions in the same order that they will
- // be stored in the binary, or else binary search over the index will fail.
- // The runtime checks that the index is sorted properly at program start time.
- var lastSym *Sym
- for _, sym := range p.SymOrder {
- if sym.Kind != goobj.STEXT {
- continue
- }
- lastSym = sym
-
- // Treat no recorded function information same as all zeros.
- f := sym.Func
- if f == nil {
- f = &zerofunc
- }
-
- // Open package file if needed, for reading PC data.
- if fname != sym.Package.File {
- if file != nil {
- file.Close()
- }
- var err error
- file, err = os.Open(sym.Package.File)
- if err != nil {
- p.errorf("%v: %v", sym, err)
- return
- }
- fname = sym.Package.File
- }
-
- // off is the offset of the table entry where we're going to write
- // the encoded form of Func.
- // indexOff is the current position in the table index;
- // we add an entry in the index pointing at off.
- off = (buf.Size() + p.ptrsize - 1) &^ (p.ptrsize - 1)
- indexOff = buf.Addr(indexOff, sym.SymID, 0)
- indexOff = buf.Uint(indexOff, uint64(off), p.ptrsize)
-
- // The Func encoding starts with a header giving offsets
- // to data blobs, and then the data blobs themselves.
- // end gives the current write position for the data blobs.
- end := off + p.ptrsize + 3*4 + 5*4 + len(f.PCData)*4 + len(f.FuncData)*p.ptrsize
- if len(f.FuncData) > 0 {
- end += -end & (p.ptrsize - 1)
- }
- buf.SetSize(end)
-
- // entry uintptr
- // name int32
- // args int32
- // frame int32
- //
- // The frame recorded in the object file is
- // the frame size used in an assembly listing, which does
- // not include the caller PC on the stack.
- // The frame size we want to list here is the delta from
- // this function's SP to its caller's SP, which does include
- // the caller PC. Add p.ptrsize to f.Frame to adjust.
- // TODO(rsc): Record the same frame size in the object file.
- off = buf.Addr(off, sym.SymID, 0)
- off = buf.Uint32(off, uint32(addString(buf, sym.Name)))
- off = buf.Uint32(off, uint32(f.Args))
- off = buf.Uint32(off, uint32(f.Frame+p.ptrsize))
-
- // pcdata
- off = buf.Uint32(off, uint32(addPCTable(p, buf, file, f.PCSP)))
- off = buf.Uint32(off, uint32(addPCFileTable(p, buf, file, f.PCFile, sym, files)))
- off = buf.Uint32(off, uint32(addPCTable(p, buf, file, f.PCLine)))
- off = buf.Uint32(off, uint32(len(f.PCData)))
- off = buf.Uint32(off, uint32(len(f.FuncData)))
- for _, pcdata := range f.PCData {
- off = buf.Uint32(off, uint32(addPCTable(p, buf, file, pcdata)))
- }
-
- // funcdata
- if len(f.FuncData) > 0 {
- off += -off & (p.ptrsize - 1) // must be pointer-aligned
- for _, funcdata := range f.FuncData {
- if funcdata.Sym.Name == "" {
- off = buf.Uint(off, uint64(funcdata.Offset), p.ptrsize)
- } else {
- off = buf.Addr(off, funcdata.Sym, funcdata.Offset)
- }
- }
- }
-
- if off != end {
- p.errorf("internal error: invalid math in pclntab: off=%#x end=%#x", off, end)
- break
- }
- }
- if file != nil {
- file.Close()
- }
-
- // Final entry of index is end PC of last function.
- indexOff = buf.Addr(indexOff, lastSym.SymID, int64(lastSym.Size))
-
- // Start file table.
- // Function index is immediately followed by offset to file table.
- off = (buf.Size() + p.ptrsize - 1) &^ (p.ptrsize - 1)
- buf.Uint32(indexOff, uint32(off))
-
- // File table is an array of uint32s.
- // The first entry gives 1+n, the size of the array.
- // The following n entries hold offsets to string data.
- // File number n uses the string pointed at by entry n.
- // File number 0 is invalid.
- buf.SetSize(off + (1+len(files))*4)
- buf.Uint32(off, uint32(1+len(files)))
- var filestr []string
- for file := range files {
- filestr = append(filestr, file)
- }
- sort.Strings(filestr)
- for _, file := range filestr {
- id := files[file]
- buf.Uint32(off+4*id, uint32(addString(buf, file)))
- }
-
- pclntab := &Sym{
- Sym: &goobj.Sym{
- SymID: goobj.SymID{Name: "runtime.pclntab"},
- Kind: goobj.SPCLNTAB,
- Size: buf.Size(),
- Reloc: buf.Reloc(),
- },
- Bytes: buf.Bytes(),
- }
- p.addSym(pclntab)
-}
-
-// addString appends the string s to the buffer b.
-// It returns the offset of the beginning of the string in the buffer.
-func addString(b *SymBuffer, s string) int {
- off := b.Size()
- b.SetSize(off + len(s) + 1)
- copy(b.data[off:], s)
- return off
-}
-
-// addPCTable appends the PC-data table stored in the file f at the location loc
-// to the symbol buffer b. It returns the offset of the beginning of the table
-// in the buffer.
-func addPCTable(p *Prog, b *SymBuffer, f *os.File, loc goobj.Data) int {
- if loc.Size == 0 {
- return 0
- }
- off := b.Size()
- b.SetSize(off + int(loc.Size))
- _, err := f.ReadAt(b.data[off:off+int(loc.Size)], loc.Offset)
- if err != nil {
- p.errorf("%v", err)
- }
- return off
-}
-
-// addPCFileTable is like addPCTable, but it renumbers the file names referred to by the table
-// to use the global numbering maintained in the files map. It adds new files to the
-// map as necessary.
-func addPCFileTable(p *Prog, b *SymBuffer, f *os.File, loc goobj.Data, sym *Sym, files map[string]int) int {
- if loc.Size == 0 {
- return 0
- }
- off := b.Size()
-
- src := make([]byte, loc.Size)
- _, err := f.ReadAt(src, loc.Offset)
- if err != nil {
- p.errorf("%v", err)
- return 0
- }
-
- filenum := make([]int, len(sym.Func.File))
- for i, name := range sym.Func.File {
- num := files[name]
- if num == 0 {
- num = len(files) + 1
- files[name] = num
- }
- filenum[i] = num
- }
-
- var dst []byte
- newval := int32(-1)
- var it PCIter
- for it.Init(p, src); !it.Done; it.Next() {
- // value delta
- oldval := it.Value
- val := oldval
- if oldval != -1 {
- if oldval < 0 || int(oldval) >= len(filenum) {
- p.errorf("%s: corrupt pc-file table", sym)
- break
- }
- val = int32(filenum[oldval])
- }
- dv := val - newval
- newval = val
- uv := uint32(dv<<1) ^ uint32(dv>>31)
- dst = appendVarint(dst, uv)
-
- // pc delta
- dst = appendVarint(dst, it.NextPC-it.PC)
- }
- if it.Corrupt {
- p.errorf("%s: corrupt pc-file table", sym)
- }
-
- // terminating value delta
- dst = appendVarint(dst, 0)
-
- b.SetSize(off + len(dst))
- copy(b.data[off:], dst)
- return off
-}
-
-// A SymBuffer is a buffer for preparing the data image of a
-// linker-generated symbol.
-type SymBuffer struct {
- data []byte
- reloc []goobj.Reloc
- order binary.ByteOrder
- ptrsize int
-}
-
-// Init initializes the buffer for writing.
-func (b *SymBuffer) Init(p *Prog) {
- b.data = nil
- b.reloc = nil
- b.order = p.byteorder
- b.ptrsize = p.ptrsize
-}
-
-// Bytes returns the buffer data.
-func (b *SymBuffer) Bytes() []byte {
- return b.data
-}
-
-// SetSize sets the buffer's data size to n bytes.
-func (b *SymBuffer) SetSize(n int) {
- for cap(b.data) < n {
- b.data = append(b.data[:cap(b.data)], 0)
- }
- b.data = b.data[:n]
-}
-
-// Size returns the buffer's data size.
-func (b *SymBuffer) Size() int {
- return len(b.data)
-}
-
-// Reloc returns the buffered relocations.
-func (b *SymBuffer) Reloc() []goobj.Reloc {
- return b.reloc
-}
-
-// Uint8 sets the uint8 at offset off to v.
-// It returns the offset just beyond v.
-func (b *SymBuffer) Uint8(off int, v uint8) int {
- b.data[off] = v
- return off + 1
-}
-
-// Uint16 sets the uint16 at offset off to v.
-// It returns the offset just beyond v.
-func (b *SymBuffer) Uint16(off int, v uint16) int {
- b.order.PutUint16(b.data[off:], v)
- return off + 2
-}
-
-// Uint32 sets the uint32 at offset off to v.
-// It returns the offset just beyond v.
-func (b *SymBuffer) Uint32(off int, v uint32) int {
- b.order.PutUint32(b.data[off:], v)
- return off + 4
-}
-
-// Uint64 sets the uint64 at offset off to v.
-// It returns the offset just beyond v.
-func (b *SymBuffer) Uint64(off int, v uint64) int {
- b.order.PutUint64(b.data[off:], v)
- return off + 8
-}
-
-// Uint sets the size-byte unsigned integer at offset off to v.
-// It returns the offset just beyond v.
-func (b *SymBuffer) Uint(off int, v uint64, size int) int {
- switch size {
- case 1:
- return b.Uint8(off, uint8(v))
- case 2:
- return b.Uint16(off, uint16(v))
- case 4:
- return b.Uint32(off, uint32(v))
- case 8:
- return b.Uint64(off, v)
- }
- panic("invalid use of SymBuffer.SetUint")
-}
-
-// Addr sets the pointer-sized address at offset off to refer
-// to symoff bytes past the start of sym. It returns the offset
-// just beyond the address.
-func (b *SymBuffer) Addr(off int, sym goobj.SymID, symoff int64) int {
- b.reloc = append(b.reloc, goobj.Reloc{
- Offset: off,
- Size: b.ptrsize,
- Sym: sym,
- Add: int(symoff),
- Type: R_ADDR,
- })
- return off + b.ptrsize
-}
-
-// A PCIter implements iteration over PC-data tables.
-//
-// var it PCIter
-// for it.Init(p, data); !it.Done; it.Next() {
-// it.Value holds from it.PC up to (but not including) it.NextPC
-// }
-// if it.Corrupt {
-// data was malformed
-// }
-//
-type PCIter struct {
- PC uint32
- NextPC uint32
- Value int32
- Done bool
- Corrupt bool
- p []byte
- start bool
- pcquantum uint32
-}
-
-// Init initializes the iteration.
-// On return, if it.Done is true, the iteration is over.
-// Otherwise it.Value applies in the pc range [it.PC, it.NextPC).
-func (it *PCIter) Init(p *Prog, buf []byte) {
- it.p = buf
- it.PC = 0
- it.NextPC = 0
- it.Value = -1
- it.start = true
- it.pcquantum = uint32(p.pcquantum)
- it.Done = false
- it.Next()
-}
-
-// Next steps forward one entry in the table.
-// On return, if it.Done is true, the iteration is over.
-// Otherwise it.Value applies in the pc range [it.PC, it.NextPC).
-func (it *PCIter) Next() {
- it.PC = it.NextPC
- if it.Done {
- return
- }
- if len(it.p) == 0 {
- it.Done = true
- return
- }
-
- // value delta
- uv, p, ok := decodeVarint(it.p)
- if !ok {
- it.Done = true
- it.Corrupt = true
- return
- }
- it.p = p
- if uv == 0 && !it.start {
- it.Done = true
- return
- }
- it.start = false
- sv := int32(uv>>1) ^ int32(uv<<31)>>31
- it.Value += sv
-
- // pc delta
- uv, it.p, ok = decodeVarint(it.p)
- if !ok {
- it.Done = true
- it.Corrupt = true
- return
- }
- it.NextPC = it.PC + uv*it.pcquantum
-}
-
-// decodeVarint decodes an unsigned varint from p,
-// reporting the value, the remainder of the data, and
-// whether the decoding was successful.
-func decodeVarint(p []byte) (v uint32, rest []byte, ok bool) {
- for shift := uint(0); ; shift += 7 {
- if len(p) == 0 {
- return
- }
- c := uint32(p[0])
- p = p[1:]
- v |= (c & 0x7F) << shift
- if c&0x80 == 0 {
- break
- }
- }
- return v, p, true
-}
-
-// appendVarint appends an unsigned varint encoding of v to p
-// and returns the resulting slice.
-func appendVarint(p []byte, v uint32) []byte {
- for ; v >= 0x80; v >>= 7 {
- p = append(p, byte(v)|0x80)
- }
- p = append(p, byte(v))
- return p
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package main
-
-import (
- "bytes"
- "cmd/internal/goobj"
- "fmt"
- "math/rand"
- "sort"
- "strings"
- "testing"
-)
-
-// Test of pcln table encoding.
-// testdata/genpcln.go generates an assembly file with
-// pseudorandom values for the data that pclntab stores.
-// This test recomputes the same pseudorandom stream
-// and checks that the final linked binary uses those values
-// as well.
-func TestPclntab(t *testing.T) {
- p := &Prog{
- GOOS: "darwin",
- GOARCH: "amd64",
- Error: func(s string) { t.Error(s) },
- StartSym: "start",
- omitRuntime: true,
- }
- var buf bytes.Buffer
- p.link(&buf, "testdata/pclntab.6")
- if p.NumError > 0 {
- return
- }
-
- // The algorithm for computing values here must match
- // the one in testdata/genpcln.go.
- for f := 0; f < 3; f++ {
- file := "input"
- line := 1
- rnd := rand.New(rand.NewSource(int64(f)))
- args := rnd.Intn(100) * 8
- frame := 32 + rnd.Intn(32)/8*8
- size := 200 + rnd.Intn(100)*8
-
- name := fmt.Sprintf("func%d", f)
- r, off, fargs, fframe, ok := findFunc(t, p, name)
- if !ok {
- continue // error already printed
- }
- if fargs != args {
- t.Errorf("%s: args=%d, want %d", name, fargs, args)
- }
- if fframe != frame+8 {
- t.Errorf("%s: frame=%d, want %d", name, fframe, frame+8)
- }
-
- // Check FUNCDATA 1.
- fdata, ok := loadFuncdata(t, r, name, off, 1)
- if ok {
- fsym := p.Syms[goobj.SymID{Name: fmt.Sprintf("funcdata%d", f)}]
- if fsym == nil {
- t.Errorf("funcdata%d is missing in binary", f)
- } else if fdata != fsym.Addr {
- t.Errorf("%s: funcdata 1 = %#x, want %#x", name, fdata, fsym.Addr)
- }
- }
-
- // Walk code checking pcdata values.
- spadj := 0
- pcdata1 := -1
- pcdata2 := -1
-
- checkPCSP(t, r, name, off, 0, 0)
- checkPCData(t, r, name, off, 0, 0, -1)
- checkPCData(t, r, name, off, 0, 1, -1)
- checkPCData(t, r, name, off, 0, 2, -1)
-
- firstpc := 4
- for i := 0; i < size; i++ {
- pc := firstpc + i // skip SP adjustment to allocate frame
- if i >= 0x100 && t.Failed() {
- break
- }
- // Possible SP adjustment.
- checkPCSP(t, r, name, off, pc, frame+spadj)
- if rnd.Intn(100) == 0 {
- checkPCFileLine(t, r, name, off, pc, file, line)
- checkPCData(t, r, name, off, pc, 1, pcdata1)
- checkPCData(t, r, name, off, pc, 2, pcdata2)
- i += 1
- pc = firstpc + i
- checkPCFileLine(t, r, name, off, pc-1, file, line)
- checkPCData(t, r, name, off, pc-1, 1, pcdata1)
- checkPCData(t, r, name, off, pc-1, 2, pcdata2)
- checkPCSP(t, r, name, off, pc-1, frame+spadj)
-
- if spadj <= -32 || spadj < 32 && rnd.Intn(2) == 0 {
- spadj += 8
- } else {
- spadj -= 8
- }
- checkPCSP(t, r, name, off, pc, frame+spadj)
- }
-
- // Possible PCFile change.
- if rnd.Intn(100) == 0 {
- file = fmt.Sprintf("file%d.s", rnd.Intn(10))
- line = rnd.Intn(100) + 1
- }
-
- // Possible PCLine change.
- if rnd.Intn(10) == 0 {
- line = rnd.Intn(1000) + 1
- }
-
- // Possible PCData $1 change.
- if rnd.Intn(100) == 0 {
- pcdata1 = rnd.Intn(1000)
- }
-
- // Possible PCData $2 change.
- if rnd.Intn(100) == 0 {
- pcdata2 = rnd.Intn(1000)
- }
-
- if i == 0 {
- checkPCFileLine(t, r, name, off, 0, file, line)
- checkPCFileLine(t, r, name, off, pc-1, file, line)
- }
- checkPCFileLine(t, r, name, off, pc, file, line)
- checkPCData(t, r, name, off, pc, 1, pcdata1)
- checkPCData(t, r, name, off, pc, 2, pcdata2)
- }
- }
-}
-
-// findFunc finds the function information in the pclntab of p
-// for the function with the given name.
-// It returns a symbol reader for pclntab, the offset of the function information
-// within that symbol, and the args and frame values read out of the information.
-func findFunc(t *testing.T, p *Prog, name string) (r *SymReader, off, args, frame int, ok bool) {
- tabsym := p.Syms[goobj.SymID{Name: "runtime.pclntab"}]
- if tabsym == nil {
- t.Errorf("pclntab is missing in binary")
- return
- }
-
- r = new(SymReader)
- r.Init(p, tabsym)
-
- // pclntab must with 8-byte header
- if r.Uint32(0) != 0xfffffffb || r.Uint8(4) != 0 || r.Uint8(5) != 0 || r.Uint8(6) != uint8(p.pcquantum) || r.Uint8(7) != uint8(p.ptrsize) {
- t.Errorf("pclntab has incorrect header %.8x", r.data[:8])
- return
- }
-
- sym := p.Syms[goobj.SymID{Name: name}]
- if sym == nil {
- t.Errorf("%s is missing in the binary", name)
- return
- }
-
- // index is nfunc addr0 off0 addr1 off1 ... addr_nfunc (sentinel)
- nfunc := int(r.Addr(8))
- i := sort.Search(nfunc, func(i int) bool {
- return r.Addr(8+p.ptrsize*(1+2*i)) >= sym.Addr
- })
- if entry := r.Addr(8 + p.ptrsize*(1+2*i)); entry != sym.Addr {
- indexTab := make([]Addr, 2*nfunc+1)
- for j := range indexTab {
- indexTab[j] = r.Addr(8 + p.ptrsize*(1+j))
- }
- t.Errorf("pclntab is missing entry for %s (%#x): %#x", name, sym.Addr, indexTab)
- return
- }
-
- off = int(r.Addr(8 + p.ptrsize*(1+2*i+1)))
-
- // func description at off is
- // entry addr
- // nameoff uint32
- // args uint32
- // frame uint32
- // pcspoff uint32
- // pcfileoff uint32
- // pclineoff uint32
- // npcdata uint32
- // nfuncdata uint32
- // pcdata npcdata*uint32
- // funcdata nfuncdata*addr
- //
- if entry := r.Addr(off); entry != sym.Addr {
- t.Errorf("pclntab inconsistent: entry for %s addr=%#x has entry=%#x", name, sym.Addr, entry)
- return
- }
- nameoff := int(r.Uint32(off + p.ptrsize))
- args = int(r.Uint32(off + p.ptrsize + 1*4))
- frame = int(r.Uint32(off + p.ptrsize + 2*4))
-
- fname := r.String(nameoff)
- if fname != name {
- t.Errorf("pclntab inconsistent: entry for %s addr=%#x has name %q", name, sym.Addr, fname)
- }
-
- ok = true // off, args, frame are usable
- return
-}
-
-// loadFuncdata returns the funcdata #fnum value
-// loaded from the function information for name.
-func loadFuncdata(t *testing.T, r *SymReader, name string, off int, fnum int) (Addr, bool) {
- npcdata := int(r.Uint32(off + r.p.ptrsize + 6*4))
- nfuncdata := int(r.Uint32(off + r.p.ptrsize + 7*4))
- if fnum >= nfuncdata {
- t.Errorf("pclntab(%s): no funcdata %d (only < %d)", name, fnum, nfuncdata)
- return 0, false
- }
- fdataoff := off + r.p.ptrsize + (8+npcdata)*4 + fnum*r.p.ptrsize
- fdataoff += fdataoff & 4
- return r.Addr(fdataoff), true
-}
-
-// checkPCSP checks that the PCSP table in the function information at off
-// lists spadj as the sp delta for pc.
-func checkPCSP(t *testing.T, r *SymReader, name string, off, pc, spadj int) {
- pcoff := r.Uint32(off + r.p.ptrsize + 3*4)
- pcval, ok := readPCData(t, r, name, "PCSP", pcoff, pc)
- if !ok {
- return
- }
- if pcval != spadj {
- t.Errorf("pclntab(%s): at pc=+%#x, pcsp=%d, want %d", name, pc, pcval, spadj)
- }
-}
-
-// checkPCSP checks that the PCFile and PCLine tables in the function information at off
-// list file, line as the file name and line number for pc.
-func checkPCFileLine(t *testing.T, r *SymReader, name string, off, pc int, file string, line int) {
- pcfileoff := r.Uint32(off + r.p.ptrsize + 4*4)
- pclineoff := r.Uint32(off + r.p.ptrsize + 5*4)
- pcfilenum, ok1 := readPCData(t, r, name, "PCFile", pcfileoff, pc)
- pcline, ok2 := readPCData(t, r, name, "PCLine", pclineoff, pc)
- if !ok1 || !ok2 {
- return
- }
- nfunc := int(r.Addr(8))
- filetaboff := r.Uint32(8 + r.p.ptrsize*2*(nfunc+1))
- nfile := int(r.Uint32(int(filetaboff)))
- if pcfilenum <= 0 || pcfilenum >= nfile {
- t.Errorf("pclntab(%s): at pc=+%#x, filenum=%d (invalid; nfile=%d)", name, pc, pcfilenum, nfile)
- }
- pcfile := r.String(int(r.Uint32(int(filetaboff) + pcfilenum*4)))
- if !strings.HasSuffix(pcfile, file) {
- t.Errorf("pclntab(%s): at pc=+%#x, file=%q, want %q", name, pc, pcfile, file)
- }
- if pcline != line {
- t.Errorf("pclntab(%s): at pc=+%#x, line=%d, want %d", name, pc, pcline, line)
- }
-}
-
-// checkPCData checks that the PCData#pnum table in the function information at off
-// list val as the value for pc.
-func checkPCData(t *testing.T, r *SymReader, name string, off, pc, pnum, val int) {
- pcoff := r.Uint32(off + r.p.ptrsize + (8+pnum)*4)
- pcval, ok := readPCData(t, r, name, fmt.Sprintf("PCData#%d", pnum), pcoff, pc)
- if !ok {
- return
- }
- if pcval != val {
- t.Errorf("pclntab(%s): at pc=+%#x, pcdata#%d=%d, want %d", name, pc, pnum, pcval, val)
- }
-}
-
-// readPCData reads the PCData table offset off
-// to obtain and return the value associated with pc.
-func readPCData(t *testing.T, r *SymReader, name, pcdataname string, pcoff uint32, pc int) (int, bool) {
- // "If pcsp, pcfile, pcln, or any of the pcdata offsets is zero,
- // that table is considered missing, and all PCs take value -1."
- if pcoff == 0 {
- return -1, true
- }
-
- var it PCIter
- for it.Init(r.p, r.data[pcoff:]); !it.Done; it.Next() {
- if it.PC <= uint32(pc) && uint32(pc) < it.NextPC {
- return int(it.Value), true
- }
- }
- if it.Corrupt {
- t.Errorf("pclntab(%s): %s: corrupt pcdata table", name, pcdataname)
- }
- return 0, false
-}
-
-// A SymReader provides typed access to the data for a symbol.
-type SymReader struct {
- p *Prog
- data []byte
-}
-
-func (r *SymReader) Init(p *Prog, sym *Sym) {
- seg := sym.Section.Segment
- off := sym.Addr - seg.VirtAddr
- data := seg.Data[off : off+Addr(sym.Size)]
- r.p = p
- r.data = data
-}
-
-func (r *SymReader) Uint8(off int) uint8 {
- return r.data[off]
-}
-
-func (r *SymReader) Uint16(off int) uint16 {
- return r.p.byteorder.Uint16(r.data[off:])
-}
-
-func (r *SymReader) Uint32(off int) uint32 {
- return r.p.byteorder.Uint32(r.data[off:])
-}
-
-func (r *SymReader) Uint64(off int) uint64 {
- return r.p.byteorder.Uint64(r.data[off:])
-}
-
-func (r *SymReader) Addr(off int) Addr {
- if r.p.ptrsize == 4 {
- return Addr(r.Uint32(off))
- }
- return Addr(r.Uint64(off))
-}
-
-func (r *SymReader) String(off int) string {
- end := off
- for r.data[end] != '\x00' {
- end++
- }
- return string(r.data[off:end])
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package main
-
-import (
- "cmd/internal/goobj"
- "encoding/binary"
- "fmt"
- "go/build"
- "io"
- "os"
- "runtime"
-)
-
-// A Prog holds state for constructing an executable (program) image.
-//
-// The usual sequence of operations on a Prog is:
-//
-// p.init()
-// p.scan(file)
-// p.dead()
-// p.runtime()
-// p.layout()
-// p.load()
-// p.debug()
-// p.write(w)
-//
-// p.init is in this file. The rest of the methods are in files
-// named for the method. The convenience method p.link runs
-// this sequence.
-//
-type Prog struct {
- // Context
- GOOS string // target operating system
- GOARCH string // target architecture
- Format string // desired file format ("elf", "macho", ...)
- Error func(string) // called to report an error (if set)
- NumError int // number of errors printed
- StartSym string
-
- // Derived context
- arch
- formatter formatter
- startSym goobj.SymID
- pkgdir string
- omitRuntime bool // do not load runtime package
-
- // Input
- Packages map[string]*Package // loaded packages, by import path
- Syms map[goobj.SymID]*Sym // defined symbols, by symbol ID
- Missing map[goobj.SymID]bool // missing symbols
- Dead map[goobj.SymID]bool // symbols removed as dead
- SymOrder []*Sym // order syms were scanned
- MaxVersion int // max SymID.Version, for generating fresh symbol IDs
-
- // Output
- UnmappedSize Addr // size of unmapped region at address 0
- HeaderSize Addr // size of object file header
- Entry Addr // virtual address where execution begins
- Segments []*Segment // loaded memory segments
-}
-
-// An arch describes architecture-dependent settings.
-type arch struct {
- byteorder binary.ByteOrder
- ptrsize int
- pcquantum int
-}
-
-// A formatter takes care of the details of generating a particular
-// kind of executable file.
-type formatter interface {
- // headerSize returns the footprint of the header for p
- // in both virtual address space and file bytes.
- // The footprint does not include any bytes stored at the
- // end of the file.
- headerSize(p *Prog) (virt, file Addr)
-
- // write writes the executable file for p to w.
- write(w io.Writer, p *Prog)
-}
-
-// An Addr represents a virtual memory address, a file address, or a size.
-// It must be a uint64, not a uintptr, so that a 32-bit linker can still generate a 64-bit binary.
-// It must be unsigned in order to link programs placed at very large start addresses.
-// Math involving Addrs must be checked carefully not to require negative numbers.
-type Addr uint64
-
-// A Package is a Go package loaded from a file.
-type Package struct {
- *goobj.Package // table of contents
- File string // file name for reopening
- Syms []*Sym // symbols defined by this package
-}
-
-// A Sym is a symbol defined in a loaded package.
-type Sym struct {
- *goobj.Sym // symbol metadata from package file
- Package *Package // package defining symbol
- Section *Section // section where symbol is placed in output program
- Addr Addr // virtual address of symbol in output program
- Bytes []byte // symbol data, for internally defined symbols
-}
-
-// A Segment is a loaded memory segment.
-// A Prog is expected to have segments named "text" and optionally "data",
-// in that order, before any other segments.
-type Segment struct {
- Name string // name of segment: "text", "data", ...
- VirtAddr Addr // virtual memory address of segment base
- VirtSize Addr // size of segment in memory
- FileOffset Addr // file offset of segment base
- FileSize Addr // size of segment in file; can be less than VirtSize
- Sections []*Section // sections inside segment
- Data []byte // raw data of segment image
-}
-
-// A Section is part of a loaded memory segment.
-type Section struct {
- Name string // name of section: "text", "rodata", "noptrbss", and so on
- VirtAddr Addr // virtual memory address of section base
- Size Addr // size of section in memory
- Align Addr // required alignment
- InFile bool // section has image data in file (like data, unlike bss)
- Syms []*Sym // symbols stored in section
- Segment *Segment // segment containing section
-}
-
-func (p *Prog) errorf(format string, args ...interface{}) {
- if p.Error != nil {
- p.Error(fmt.Sprintf(format, args...))
- } else {
- fmt.Fprintf(os.Stderr, format+"\n", args...)
- }
- p.NumError++
-}
-
-// link is the one-stop convenience method for running a link.
-// It writes to w the object file generated from using mainFile as the main package.
-func (p *Prog) link(w io.Writer, mainFile string) {
- p.init()
- p.scan(mainFile)
- if p.NumError > 0 {
- return
- }
- p.dead()
- p.runtime()
- p.autoData()
- p.layout()
- p.autoConst()
- if p.NumError > 0 {
- return
- }
- p.load()
- if p.NumError > 0 {
- return
- }
- p.debug()
- if p.NumError > 0 {
- return
- }
- p.write(w)
-}
-
-// init initializes p for use by the other methods.
-func (p *Prog) init() {
- // Set default context if not overridden.
- if p.GOOS == "" {
- p.GOOS = build.Default.GOOS
- }
- if p.GOARCH == "" {
- p.GOARCH = build.Default.GOARCH
- }
- if p.Format == "" {
- p.Format = goosFormat[p.GOOS]
- if p.Format == "" {
- p.errorf("no default file format for GOOS %q", p.GOOS)
- return
- }
- }
- if p.StartSym == "" {
- p.StartSym = fmt.Sprintf("_rt0_%s_%s", p.GOARCH, p.GOOS)
- }
-
- // Derive internal context.
- p.formatter = formatters[p.Format]
- if p.formatter == nil {
- p.errorf("unknown output file format %q", p.Format)
- return
- }
- p.startSym = goobj.SymID{Name: p.StartSym}
- arch, ok := arches[p.GOARCH]
- if !ok {
- p.errorf("unknown GOOS %q", p.GOOS)
- return
- }
- p.arch = arch
-
- p.pkgdir = fmt.Sprintf("%s/pkg/%s_%s", runtime.GOROOT(), p.GOOS, p.GOARCH)
-}
-
-// goosFormat records the default format for each known GOOS value.
-var goosFormat = map[string]string{
- "darwin": "darwin",
-}
-
-// formatters records the format implementation for each known format value.
-var formatters = map[string]formatter{
- "darwin": machoFormat{},
-}
-
-var arches = map[string]arch{
- "amd64": {
- byteorder: binary.LittleEndian,
- ptrsize: 8,
- pcquantum: 1,
- },
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package main
-
-import (
- "bytes"
- "fmt"
- "io/ioutil"
- "testing"
-)
-
-// shiftProg adjusts the addresses in p.
-// It adds vdelta to all virtual addresses and fdelta to all file offsets.
-func shiftProg(p *Prog, vdelta Addr, fdelta Addr) {
- p.Entry += vdelta
- for _, seg := range p.Segments {
- seg.FileOffset += fdelta
- seg.VirtAddr += vdelta
- for _, sect := range seg.Sections {
- sect.VirtAddr += vdelta
- for _, sym := range sect.Syms {
- sym.Addr += vdelta
- }
- }
- }
-}
-
-// diffProg returns a list of differences between p and q,
-// assuming p is being checked and q is the correct answer.
-func diffProg(p, q *Prog) []string {
- var errors []string
- if p.UnmappedSize != q.UnmappedSize {
- errors = append(errors, fmt.Sprintf("p.UnmappedSize = %#x, want %#x", p.UnmappedSize, q.UnmappedSize))
- }
- if p.HeaderSize != q.HeaderSize {
- errors = append(errors, fmt.Sprintf("p.HeaderSize = %#x, want %#x", p.HeaderSize, q.HeaderSize))
- }
- if p.Entry != q.Entry {
- errors = append(errors, fmt.Sprintf("p.Entry = %#x, want %#x", p.Entry, q.Entry))
- }
- for i := 0; i < len(p.Segments) || i < len(q.Segments); i++ {
- if i >= len(p.Segments) {
- errors = append(errors, fmt.Sprintf("p missing segment %q", q.Segments[i].Name))
- continue
- }
- if i >= len(q.Segments) {
- errors = append(errors, fmt.Sprintf("p has extra segment %q", p.Segments[i].Name))
- continue
- }
- pseg := p.Segments[i]
- qseg := q.Segments[i]
- if pseg.Name != qseg.Name {
- errors = append(errors, fmt.Sprintf("segment %d Name = %q, want %q", i, pseg.Name, qseg.Name))
- continue // probably out of sync
- }
- if pseg.VirtAddr != qseg.VirtAddr {
- errors = append(errors, fmt.Sprintf("segment %q VirtAddr = %#x, want %#x", pseg.Name, pseg.VirtAddr, qseg.VirtAddr))
- }
- if pseg.VirtSize != qseg.VirtSize {
- errors = append(errors, fmt.Sprintf("segment %q VirtSize = %#x, want %#x", pseg.Name, pseg.VirtSize, qseg.VirtSize))
- }
- if pseg.FileOffset != qseg.FileOffset {
- errors = append(errors, fmt.Sprintf("segment %q FileOffset = %#x, want %#x", pseg.Name, pseg.FileOffset, qseg.FileOffset))
- }
- if pseg.FileSize != qseg.FileSize {
- errors = append(errors, fmt.Sprintf("segment %q FileSize = %#x, want %#x", pseg.Name, pseg.FileSize, qseg.FileSize))
- }
- if len(pseg.Data) != len(qseg.Data) {
- errors = append(errors, fmt.Sprintf("segment %q len(Data) = %d, want %d", pseg.Name, len(pseg.Data), len(qseg.Data)))
- } else if !bytes.Equal(pseg.Data, qseg.Data) {
- errors = append(errors, fmt.Sprintf("segment %q Data mismatch:\n\thave %x\n\twant %x", pseg.Name, pseg.Data, qseg.Data))
- }
-
- for j := 0; j < len(pseg.Sections) || j < len(qseg.Sections); j++ {
- if j >= len(pseg.Sections) {
- errors = append(errors, fmt.Sprintf("segment %q missing section %q", pseg.Name, qseg.Sections[i].Name))
- continue
- }
- if j >= len(qseg.Sections) {
- errors = append(errors, fmt.Sprintf("segment %q has extra section %q", pseg.Name, pseg.Sections[i].Name))
- continue
- }
- psect := pseg.Sections[j]
- qsect := qseg.Sections[j]
- if psect.Name != qsect.Name {
- errors = append(errors, fmt.Sprintf("segment %q, section %d Name = %q, want %q", pseg.Name, j, psect.Name, qsect.Name))
- continue // probably out of sync
- }
-
- if psect.VirtAddr != qsect.VirtAddr {
- errors = append(errors, fmt.Sprintf("segment %q section %q VirtAddr = %#x, want %#x", pseg.Name, psect.Name, psect.VirtAddr, qsect.VirtAddr))
- }
- if psect.Size != qsect.Size {
- errors = append(errors, fmt.Sprintf("segment %q section %q Size = %#x, want %#x", pseg.Name, psect.Name, psect.Size, qsect.Size))
- }
- if psect.Align != qsect.Align {
- errors = append(errors, fmt.Sprintf("segment %q section %q Align = %#x, want %#x", pseg.Name, psect.Name, psect.Align, qsect.Align))
- }
- }
- }
-
- return errors
-}
-
-// cloneProg returns a deep copy of p.
-func cloneProg(p *Prog) *Prog {
- q := new(Prog)
- *q = *p
- q.Segments = make([]*Segment, len(p.Segments))
- for i, seg := range p.Segments {
- q.Segments[i] = cloneSegment(seg)
- }
- return q
-}
-
-// cloneSegment returns a deep copy of seg.
-func cloneSegment(seg *Segment) *Segment {
- t := new(Segment)
- *t = *seg
- t.Sections = make([]*Section, len(seg.Sections))
- for i, sect := range seg.Sections {
- t.Sections[i] = cloneSection(sect)
- }
- t.Data = make([]byte, len(seg.Data))
- copy(t.Data, seg.Data)
- return t
-}
-
-// cloneSection returns a deep copy of section.
-func cloneSection(sect *Section) *Section {
- // At the moment, there's nothing we need to make a deep copy of.
- t := new(Section)
- *t = *sect
- return t
-}
-
-const saveMismatch = true
-
-// checkGolden checks that data matches the named file.
-// If not, it reports the error to the test.
-func checkGolden(t *testing.T, data []byte, name string) {
- golden := mustParseHexdumpFile(t, name)
- if !bytes.Equal(data, golden) {
- if saveMismatch {
- ioutil.WriteFile(name+".raw", data, 0666)
- ioutil.WriteFile(name+".hex", []byte(hexdump(data)), 0666)
- }
- // TODO(rsc): A better diff would be nice, as needed.
- i := 0
- for i < len(data) && i < len(golden) && data[i] == golden[i] {
- i++
- }
- if i >= len(data) {
- t.Errorf("%s: output file shorter than expected: have %d bytes, want %d", name, len(data), len(golden))
- } else if i >= len(golden) {
- t.Errorf("%s: output file larger than expected: have %d bytes, want %d", name, len(data), len(golden))
- } else {
- t.Errorf("%s: output file differs at byte %d: have %#02x, want %#02x", name, i, data[i], golden[i])
- }
- }
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Generation of runtime-accessible data structures.
-// See also debug.go.
-
-package main
-
-import "cmd/internal/goobj"
-
-func (p *Prog) runtime() {
- p.pclntab()
-
- // TODO: Implement garbage collection data.
- p.addSym(&Sym{
- Sym: &goobj.Sym{
- SymID: goobj.SymID{Name: "runtime.gcdata"},
- Kind: goobj.SRODATA,
- },
- })
- p.addSym(&Sym{
- Sym: &goobj.Sym{
- SymID: goobj.SymID{Name: "runtime.gcbss"},
- Kind: goobj.SRODATA,
- },
- })
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Initial scan of packages making up a program.
-
-// TODO(rsc): Rename goobj.SymID.Version to StaticID to avoid confusion with the ELF meaning of version.
-// TODO(rsc): Fix file format so that SBSS/SNOPTRBSS with data is listed as SDATA/SNOPTRDATA.
-// TODO(rsc): Parallelize scan to overlap file i/o where possible.
-
-package main
-
-import (
- "cmd/internal/goobj"
- "os"
- "sort"
- "strings"
-)
-
-// scan scans all packages making up the program, starting with package main defined in mainfile.
-func (p *Prog) scan(mainfile string) {
- p.initScan()
- p.scanFile("main", mainfile)
- if len(p.Missing) > 0 && !p.omitRuntime {
- p.scanImport("runtime")
- }
-
- var missing []string
- for sym := range p.Missing {
- if !p.isAuto(sym) {
- missing = append(missing, sym.String())
- }
- }
-
- if missing != nil {
- sort.Strings(missing)
- for _, sym := range missing {
- p.errorf("undefined: %s", sym)
- }
- }
-
- // TODO(rsc): Walk import graph to diagnose cycles.
-}
-
-// initScan initializes the Prog fields needed by scan.
-func (p *Prog) initScan() {
- p.Packages = make(map[string]*Package)
- p.Syms = make(map[goobj.SymID]*Sym)
- p.Missing = make(map[goobj.SymID]bool)
- p.Missing[p.startSym] = true
-}
-
-// scanFile reads file to learn about the package with the given import path.
-func (p *Prog) scanFile(pkgpath string, file string) {
- pkg := &Package{
- File: file,
- }
- p.Packages[pkgpath] = pkg
-
- f, err := os.Open(file)
- if err != nil {
- p.errorf("%v", err)
- return
- }
- gp, err := goobj.Parse(f, pkgpath)
- f.Close()
- if err != nil {
- p.errorf("reading %s: %v", file, err)
- return
- }
-
- // TODO(rsc): Change cmd/internal/goobj to record package name as gp.Name.
- // TODO(rsc): If pkgpath == "main", check that gp.Name == "main".
-
- pkg.Package = gp
-
- for _, gs := range gp.Syms {
- // TODO(rsc): Fix file format instead of this workaround.
- if gs.Data.Size > 0 {
- switch gs.Kind {
- case goobj.SBSS:
- gs.Kind = goobj.SDATA
- case goobj.SNOPTRBSS:
- gs.Kind = goobj.SNOPTRDATA
- }
- }
-
- if gs.Version != 0 {
- gs.Version += p.MaxVersion
- }
- for i := range gs.Reloc {
- r := &gs.Reloc[i]
- if r.Sym.Version != 0 {
- r.Sym.Version += p.MaxVersion
- }
- if p.Syms[r.Sym] == nil {
- p.Missing[r.Sym] = true
- }
- }
- if gs.Func != nil {
- for i := range gs.Func.FuncData {
- fdata := &gs.Func.FuncData[i]
- if fdata.Sym.Name != "" {
- if fdata.Sym.Version != 0 {
- fdata.Sym.Version += p.MaxVersion
- }
- if p.Syms[fdata.Sym] == nil {
- p.Missing[fdata.Sym] = true
- }
- }
- }
- }
- if old := p.Syms[gs.SymID]; old != nil {
- // Duplicate definition of symbol. Is it okay?
- // TODO(rsc): Write test for this code.
- switch {
- // If both symbols are BSS (no data), take max of sizes
- // but otherwise ignore second symbol.
- case old.Data.Size == 0 && gs.Data.Size == 0:
- if old.Size < gs.Size {
- old.Size = gs.Size
- }
- continue
-
- // If one is in BSS and one is not, use the one that is not.
- case old.Data.Size > 0 && gs.Data.Size == 0:
- continue
- case gs.Data.Size > 0 && old.Data.Size == 0:
- break // install gs as new symbol below
-
- // If either is marked as DupOK, we can keep either one.
- // Keep the one that we saw first.
- case old.DupOK || gs.DupOK:
- continue
-
- // Otherwise, there's an actual conflict:
- default:
- p.errorf("symbol %s defined in both %s and %s %v %v", gs.SymID, old.Package.File, file, old.Data, gs.Data)
- continue
- }
- }
- s := &Sym{
- Sym: gs,
- Package: pkg,
- }
- p.addSym(s)
- delete(p.Missing, gs.SymID)
-
- if s.Data.Size > int64(s.Size) {
- p.errorf("%s: initialized data larger than symbol (%d > %d)", s, s.Data.Size, s.Size)
- }
- }
- p.MaxVersion += pkg.MaxVersion
-
- for i, pkgpath := range pkg.Imports {
- // TODO(rsc): Fix file format to drop .a from recorded import path.
- pkgpath = strings.TrimSuffix(pkgpath, ".a")
- pkg.Imports[i] = pkgpath
-
- p.scanImport(pkgpath)
- }
-}
-
-func (p *Prog) addSym(s *Sym) {
- pkg := s.Package
- if pkg == nil {
- pkg = p.Packages[""]
- if pkg == nil {
- pkg = &Package{}
- p.Packages[""] = pkg
- }
- s.Package = pkg
- }
- pkg.Syms = append(pkg.Syms, s)
- p.Syms[s.SymID] = s
- p.SymOrder = append(p.SymOrder, s)
-}
-
-// scanImport finds the object file for the given import path and then scans it.
-func (p *Prog) scanImport(pkgpath string) {
- if p.Packages[pkgpath] != nil {
- return // already loaded
- }
-
- // TODO(rsc): Implement correct search to find file.
- p.scanFile(pkgpath, p.pkgdir+"/"+pkgpath+".a")
-}
+++ /dev/null
-ALL=\
- autosection.6\
- autoweak.6\
- dead.6\
- hello.6\
- layout.6\
- pclntab.6\
-
-all: $(ALL)
-
-%.6: %.s
- GOARCH=amd64 GOOS=darwin go tool 6a -trimpath=$(shell pwd) $*.s
-
-pclntab.s: genpcln.go
- go run genpcln.go >pclntab.s
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Test of section-named symbols.
-
-#include "textflag.h"
-
-TEXT start(SB),7,$0
- MOVQ $autotab(SB),AX
- MOVQ $autoptr(SB),AX
- RET
-
-GLOBL zero(SB), $8
-
-GLOBL zeronoptr(SB), NOPTR, $16
-
-// text
-DATA autotab+0x00(SB)/8, $runtime·text(SB)
-DATA autotab+0x08(SB)/8, $start(SB)
-DATA autotab+0x10(SB)/8, $runtime·etext(SB)
-DATA autotab+0x18(SB)/8, $start+16(SB)
-
-// data
-DATA autotab+0x20(SB)/8, $runtime·data(SB)
-DATA autotab+0x28(SB)/8, $autotab(SB)
-DATA autotab+0x30(SB)/8, $runtime·edata(SB)
-DATA autotab+0x38(SB)/8, $nonzero+4(SB)
-
-// bss
-DATA autotab+0x40(SB)/8, $runtime·bss(SB)
-DATA autotab+0x48(SB)/8, $zero(SB)
-DATA autotab+0x50(SB)/8, $runtime·ebss(SB)
-DATA autotab+0x58(SB)/8, $zero+8(SB)
-
-// noptrdata
-DATA autotab+0x60(SB)/8, $runtime·noptrdata(SB)
-DATA autotab+0x68(SB)/8, $nonzeronoptr(SB)
-DATA autotab+0x70(SB)/8, $runtime·enoptrdata(SB)
-DATA autotab+0x78(SB)/8, $nonzeronoptr+8(SB)
-
-// noptrbss
-DATA autotab+0x80(SB)/8, $runtime·noptrbss(SB)
-DATA autotab+0x88(SB)/8, $zeronoptr(SB)
-DATA autotab+0x90(SB)/8, $runtime·enoptrbss(SB)
-DATA autotab+0x98(SB)/8, $zeronoptr+16(SB)
-
-// end
-DATA autotab+0xa0(SB)/8, $runtime·end(SB)
-DATA autotab+0xa8(SB)/8, $zeronoptr+16(SB)
-
-GLOBL autotab(SB), $0xb0
-
-DATA nonzero(SB)/4, $1
-GLOBL nonzero(SB), $4
-
-DATA nonzeronoptr(SB)/8, $2
-GLOBL nonzeronoptr(SB), NOPTR, $8
-
-GLOBL autoptr(SB), $0
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Test of go.weak symbols.
-
-TEXT start(SB),7,$0
- MOVQ $autotab(SB),AX
- MOVQ $autoptr(SB),AX
- RET
-
-// go.weak.sym should resolve to sym, because sym is in the binary.
-DATA autotab+0(SB)/8, $go·weak·sym(SB)
-DATA autotab+8(SB)/8, $sym(SB)
-
-// go.weak.missingsym should resolve to 0, because missingsym is not in the binary.
-DATA autotab+16(SB)/8, $go·weak·missingsym(SB)
-DATA autotab+24(SB)/8, $0
-
-// go.weak.deadsym should resolve to 0, because deadsym is discarded during dead code removal
-DATA autotab+32(SB)/8, $go·weak·deadsym(SB)
-DATA autotab+40(SB)/8, $0
-
-GLOBL autotab(SB), $48
-
-GLOBL sym(SB), $1
-
-GLOBL deadsym(SB), $1
-
-GLOBL autoptr(SB), $0
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Test of dead code removal.
-// Symbols with names beginning with dead_ should be discarded.
-// Others should be kept.
-
-TEXT start(SB),7,$0 // start symbol
- MOVQ $data1<>(SB), AX
- CALL text1(SB)
- MOVQ $text2(SB), BX
- RET
-
-TEXT text1(SB),7,$0
- FUNCDATA $1, funcdata+4(SB)
- RET
-
-TEXT text2(SB),7,$0
- MOVQ $runtime·edata(SB),BX
- RET
-
-DATA data1<>+0(SB)/8, $data2(SB)
-DATA data1<>+8(SB)/8, $data3(SB)
-GLOBL data1<>(SB), $16
-GLOBL data2(SB), $1
-GLOBL data3(SB), $1
-GLOBL funcdata(SB), $8
-
-TEXT dead_start(SB),7,$0
- MOVQ $dead_data1(SB), AX
- CALL dead_text1(SB)
- MOVQ $dead_text2(SB), BX
- RET
-
-TEXT dead_text1(SB),7,$0
- FUNCDATA $1, dead_funcdata+4(SB)
- RET
-
-TEXT dead_text2(SB),7,$0
- RET
-
-DATA dead_data1+0(SB)/8, $dead_data2(SB)
-DATA dead_data1+8(SB)/8, $dead_data3(SB)
-GLOBL dead_data1(SB), $16
-GLOBL dead_data2(SB), $1
-GLOBL dead_data3(SB), $1
-GLOBL dead_funcdata(SB), $8
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// This program generates a .s file using a pseudorandom
-// value stream for the runtime function data.
-// The pclntab test checks that the linked copy
-// still has the same pseudorandom value stream.
-
-package main
-
-import (
- "fmt"
- "math/rand"
-)
-
-func main() {
- fmt.Printf("// generated by genpcln.go; do not edit\n\n")
- for f := 0; f < 3; f++ {
- r := rand.New(rand.NewSource(int64(f)))
- file := "input"
- line := 1
- args := r.Intn(100) * 8
- frame := 32 + r.Intn(32)/8*8
- fmt.Printf("#line %d %q\n", line, file)
- fmt.Printf("TEXT func%d(SB),7,$%d-%d\n", f, frame, args)
- fmt.Printf("\tFUNCDATA $1, funcdata%d(SB)\n", f)
- fmt.Printf("#line %d %q\n", line, file)
- size := 200 + r.Intn(100)*8
- spadj := 0
- flushed := 0
- firstpc := 4
- flush := func(i int) {
- for i-flushed >= 10 {
- fmt.Printf("#line %d %q\n", line, file)
- fmt.Printf("/*%#04x*/\tMOVQ $0x123456789, AX\n", firstpc+flushed)
- flushed += 10
- }
- for i-flushed >= 5 {
- fmt.Printf("#line %d %q\n", line, file)
- fmt.Printf("/*%#04x*/\tMOVL $0x1234567, AX\n", firstpc+flushed)
- flushed += 5
- }
- for i-flushed > 0 {
- fmt.Printf("#line %d %q\n", line, file)
- fmt.Printf("/*%#04x*/\tBYTE $0\n", firstpc+flushed)
- flushed++
- }
- }
- for i := 0; i < size; i++ {
- // Possible SP adjustment.
- if r.Intn(100) == 0 {
- flush(i)
- fmt.Printf("#line %d %q\n", line, file)
- if spadj <= -32 || spadj < 32 && r.Intn(2) == 0 {
- spadj += 8
- fmt.Printf("/*%#04x*/\tPUSHQ AX\n", firstpc+i)
- } else {
- spadj -= 8
- fmt.Printf("/*%#04x*/\tPOPQ AX\n", firstpc+i)
- }
- i += 1
- flushed = i
- }
-
- // Possible PCFile change.
- if r.Intn(100) == 0 {
- flush(i)
- file = fmt.Sprintf("file%d.s", r.Intn(10))
- line = r.Intn(100) + 1
- }
-
- // Possible PCLine change.
- if r.Intn(10) == 0 {
- flush(i)
- line = r.Intn(1000) + 1
- }
-
- // Possible PCData $1 change.
- if r.Intn(100) == 0 {
- flush(i)
- fmt.Printf("/*%6s*/\tPCDATA $1, $%d\n", "", r.Intn(1000))
- }
-
- // Possible PCData $2 change.
- if r.Intn(100) == 0 {
- flush(i)
- fmt.Printf("/*%6s*/\tPCDATA $2, $%d\n", "", r.Intn(1000))
- }
- }
- flush(size)
- for spadj < 0 {
- fmt.Printf("\tPUSHQ AX\n")
- spadj += 8
- }
- for spadj > 0 {
- fmt.Printf("\tPOPQ AX\n")
- spadj -= 8
- }
- fmt.Printf("\tRET\n")
-
- fmt.Printf("\n")
- fmt.Printf("GLOBL funcdata%d(SB), $16\n", f)
- }
-
- fmt.Printf("\nTEXT start(SB),7,$0\n")
- for f := 0; f < 3; f++ {
- fmt.Printf("\tCALL func%d(SB)\n", f)
- }
- fmt.Printf("\tMOVQ $runtime·pclntab(SB), AX\n")
- fmt.Printf("\n\tRET\n")
-}
+++ /dev/null
-TEXT _rt0_go(SB),7,$0
- MOVL $1, DI
- MOVL $hello<>(SB), SI
- MOVL $12, DX
- MOVL $0x2000004, AX
- SYSCALL
- MOVL $0, DI
- MOVL $0x2000001, AX
- SYSCALL
- RET
-
-DATA hello<>+0(SB)/4, $"hell"
-DATA hello<>+4(SB)/4, $"o wo"
-DATA hello<>+8(SB)/4, $"rld\n"
-GLOBL hello<>(SB), $12
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Test of section assignment in layout.go.
-// Each symbol should end up in the section named by the symbol name prefix (up to the underscore).
-
-#include "textflag.h"
-
-TEXT text_start(SB),7,$0
- MOVQ $rodata_sym(SB), AX
- MOVQ $noptrdata_sym(SB), AX
- MOVQ $data_sym(SB), AX
- MOVQ $bss_sym(SB), AX
- MOVQ $noptrbss_sym(SB), AX
- RET
-
-DATA rodata_sym(SB)/4, $1
-GLOBL rodata_sym(SB), RODATA, $4
-
-DATA noptrdata_sym(SB)/4, $1
-GLOBL noptrdata_sym(SB), NOPTR, $4
-
-DATA data_sym(SB)/4, $1
-GLOBL data_sym(SB), $4
-
-GLOBL bss_sym(SB), $4
-
-GLOBL noptrbss_sym(SB), NOPTR, $4
+++ /dev/null
-00000000 cf fa ed fe 07 00 00 01 03 00 00 00 02 00 00 00 |................|
-00000010 04 00 00 00 d0 02 00 00 01 00 00 00 00 00 00 00 |................|
-00000020 19 00 00 00 48 00 00 00 5f 5f 50 41 47 45 5a 45 |....H...__PAGEZE|
-00000030 52 4f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |RO..............|
-00000040 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-*
-00000060 00 00 00 00 00 00 00 00 19 00 00 00 38 01 00 00 |............8...|
-00000070 5f 5f 54 45 58 54 00 00 00 00 00 00 00 00 00 00 |__TEXT..........|
-00000080 00 10 00 00 00 00 00 00 b0 10 00 00 00 00 00 00 |................|
-00000090 00 00 00 00 00 00 00 00 b0 10 00 00 00 00 00 00 |................|
-000000a0 07 00 00 00 05 00 00 00 03 00 00 00 00 00 00 00 |................|
-000000b0 5f 5f 74 65 78 74 00 00 00 00 00 00 00 00 00 00 |__text..........|
-000000c0 5f 5f 54 45 58 54 00 00 00 00 00 00 00 00 00 00 |__TEXT..........|
-000000d0 00 20 00 00 00 00 00 00 20 00 00 00 00 00 00 00 |. ...... .......|
-000000e0 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-000000f0 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-00000100 5f 5f 72 6f 64 61 74 61 00 00 00 00 00 00 00 00 |__rodata........|
-00000110 5f 5f 54 45 58 54 00 00 00 00 00 00 00 00 00 00 |__TEXT..........|
-00000120 20 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ..............|
-00000130 20 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ...............|
-*
-00000150 5f 5f 66 75 6e 63 74 61 62 00 00 00 00 00 00 00 |__functab.......|
-00000160 5f 5f 54 45 58 54 00 00 00 00 00 00 00 00 00 00 |__TEXT..........|
-00000170 20 20 00 00 00 00 00 00 90 00 00 00 00 00 00 00 | ..............|
-00000180 20 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ...............|
-*
-000001a0 19 00 00 00 98 00 00 00 5f 5f 44 41 54 41 00 00 |........__DATA..|
-000001b0 00 00 00 00 00 00 00 00 00 30 00 00 00 00 00 00 |.........0......|
-000001c0 0c 00 00 00 00 00 00 00 00 20 00 00 00 00 00 00 |......... ......|
-000001d0 0c 00 00 00 00 00 00 00 03 00 00 00 03 00 00 00 |................|
-000001e0 01 00 00 00 00 00 00 00 5f 5f 64 61 74 61 00 00 |........__data..|
-000001f0 00 00 00 00 00 00 00 00 5f 5f 44 41 54 41 00 00 |........__DATA..|
-00000200 00 00 00 00 00 00 00 00 00 30 00 00 00 00 00 00 |.........0......|
-00000210 0c 00 00 00 00 00 00 00 00 20 00 00 00 00 00 00 |......... ......|
-*
-00000230 00 00 00 00 00 00 00 00 05 00 00 00 b8 00 00 00 |................|
-00000240 04 00 00 00 2a 00 00 00 00 00 00 00 00 00 00 00 |....*...........|
-*
-000002c0 00 00 00 00 00 00 00 00 00 20 00 00 00 00 00 00 |......... ......|
-*
-00001000 bf 01 00 00 00 be 00 30 00 00 ba 0c 00 00 00 b8 |.......0........|
-00001010 04 00 00 02 0f 05 31 ff b8 01 00 00 02 0f 05 c3 |......1.........|
-00001020 fb ff ff ff 00 00 01 08 01 00 00 00 00 00 00 00 |................|
-00001030 00 20 00 00 00 00 00 00 30 00 00 00 00 00 00 00 |. ......0.......|
-00001040 20 20 00 00 00 00 00 00 80 00 00 00 00 00 00 00 | ..............|
-00001050 00 20 00 00 00 00 00 00 58 00 00 00 00 00 00 80 |. ......X.......|
-00001060 08 00 00 00 60 00 00 00 63 00 00 00 66 00 00 00 |....`...c...f...|
-00001070 00 00 00 00 00 00 00 00 5f 72 74 30 5f 67 6f 00 |........_rt0_go.|
-00001080 02 20 00 04 20 00 06 05 02 05 02 05 02 05 02 02 |. .. ...........|
-00001090 02 02 02 05 02 02 02 01 00 00 00 00 00 00 00 00 |................|
-000010a0 02 00 00 00 88 00 00 00 68 65 6c 6c 6f 2e 73 00 |........hello.s.|
-*
-00002000 68 65 6c 6c 6f 20 77 6f 72 6c 64 0a |hello world.|
-0000200c
+++ /dev/null
-00000000 cf fa ed fe 07 00 00 01 03 00 00 00 02 00 00 00 |................|
-00000010 03 00 00 00 98 01 00 00 01 00 00 00 00 00 00 00 |................|
-00000020 19 00 00 00 48 00 00 00 5f 5f 50 41 47 45 5a 45 |....H...__PAGEZE|
-00000030 52 4f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |RO..............|
-00000040 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-00000050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-00000060 00 00 00 00 00 00 00 00 19 00 00 00 98 00 00 00 |................|
-00000070 5f 5f 54 45 58 54 00 00 00 00 00 00 00 00 00 00 |__TEXT..........|
-00000080 00 10 00 00 00 00 00 00 0d 10 00 00 00 00 00 00 |................|
-00000090 00 00 00 00 00 00 00 00 0d 10 00 00 00 00 00 00 |................|
-000000a0 07 00 00 00 05 00 00 00 01 00 00 00 00 00 00 00 |................|
-000000b0 5f 5f 74 65 78 74 00 00 00 00 00 00 00 00 00 00 |__text..........|
-000000c0 5f 5f 54 45 58 54 00 00 00 00 00 00 00 00 00 00 |__TEXT..........|
-000000d0 00 20 00 00 00 00 00 00 0d 00 00 00 00 00 00 00 |. ..............|
-000000e0 00 10 00 00 06 00 00 00 00 00 00 00 00 00 00 00 |................|
-000000f0 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-00000100 05 00 00 00 b8 00 00 00 04 00 00 00 2a 00 00 00 |............*...|
-00000110 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-*
-00000190 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |. ..............|
-000001a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-*
-00001000 b8 01 00 00 02 bf 09 00 00 00 0f 05 f4 |.............|
-0000100d
+++ /dev/null
-00000000 cf fa ed fe 07 00 00 01 03 00 00 00 02 00 00 00 |................|
-00000010 04 00 00 00 30 02 00 00 01 00 00 00 00 00 00 00 |....0...........|
-00000020 19 00 00 00 48 00 00 00 5f 5f 50 41 47 45 5a 45 |....H...__PAGEZE|
-00000030 52 4f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |RO..............|
-00000040 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-00000050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-00000060 00 00 00 00 00 00 00 00 19 00 00 00 98 00 00 00 |................|
-00000070 5f 5f 54 45 58 54 00 00 00 00 00 00 00 00 00 00 |__TEXT..........|
-00000080 00 10 00 00 00 00 00 00 23 10 00 00 00 00 00 00 |........#.......|
-00000090 00 00 00 00 00 00 00 00 23 10 00 00 00 00 00 00 |........#.......|
-000000a0 07 00 00 00 05 00 00 00 01 00 00 00 00 00 00 00 |................|
-000000b0 5f 5f 74 65 78 74 00 00 00 00 00 00 00 00 00 00 |__text..........|
-000000c0 5f 5f 54 45 58 54 00 00 00 00 00 00 00 00 00 00 |__TEXT..........|
-000000d0 00 20 00 00 00 00 00 00 23 00 00 00 00 00 00 00 |. ......#.......|
-000000e0 00 10 00 00 06 00 00 00 00 00 00 00 00 00 00 00 |................|
-000000f0 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-00000100 19 00 00 00 98 00 00 00 5f 5f 44 41 54 41 00 00 |........__DATA..|
-00000110 00 00 00 00 00 00 00 00 00 30 00 00 00 00 00 00 |.........0......|
-00000120 0c 00 00 00 00 00 00 00 00 20 00 00 00 00 00 00 |......... ......|
-00000130 0c 00 00 00 00 00 00 00 03 00 00 00 03 00 00 00 |................|
-00000140 01 00 00 00 00 00 00 00 5f 5f 64 61 74 61 00 00 |........__data..|
-00000150 00 00 00 00 00 00 00 00 5f 5f 44 41 54 41 00 00 |........__DATA..|
-00000160 00 00 00 00 00 00 00 00 00 30 00 00 00 00 00 00 |.........0......|
-00000170 0c 00 00 00 00 00 00 00 00 20 00 00 06 00 00 00 |......... ......|
-00000180 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-00000190 00 00 00 00 00 00 00 00 05 00 00 00 b8 00 00 00 |................|
-000001a0 04 00 00 00 2a 00 00 00 00 00 00 00 00 00 00 00 |....*...........|
-000001b0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-*
-00000220 00 00 00 00 00 00 00 00 00 20 00 00 00 00 00 00 |......... ......|
-00000230 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-*
-00001000 b8 04 00 00 02 bf 01 00 00 00 be 00 30 00 00 ba |............0...|
-00001010 0c 00 00 00 0f 05 b8 01 00 00 02 bf 09 00 00 00 |................|
-00001020 0f 05 f4 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-00001030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-*
-00002000 68 65 6c 6c 6f 20 77 6f 72 6c 64 0a |hello world.|
-0000200c
+++ /dev/null
-00000000 cf fa ed fe 07 00 00 01 03 00 00 00 02 00 00 00 |................|
-00000010 03 00 00 00 e8 01 00 00 01 00 00 00 00 00 00 00 |................|
-00000020 19 00 00 00 48 00 00 00 5f 5f 50 41 47 45 5a 45 |....H...__PAGEZE|
-00000030 52 4f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |RO..............|
-00000040 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-00000050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-00000060 00 00 00 00 00 00 00 00 19 00 00 00 e8 00 00 00 |................|
-00000070 5f 5f 54 45 58 54 00 00 00 00 00 00 00 00 00 00 |__TEXT..........|
-00000080 00 10 00 00 00 00 00 00 0c 20 00 00 00 00 00 00 |......... ......|
-00000090 00 00 00 00 00 00 00 00 0c 20 00 00 00 00 00 00 |......... ......|
-000000a0 07 00 00 00 05 00 00 00 02 00 00 00 00 00 00 00 |................|
-000000b0 5f 5f 74 65 78 74 00 00 00 00 00 00 00 00 00 00 |__text..........|
-000000c0 5f 5f 54 45 58 54 00 00 00 00 00 00 00 00 00 00 |__TEXT..........|
-000000d0 00 20 00 00 00 00 00 00 23 00 00 00 00 00 00 00 |. ......#.......|
-000000e0 00 10 00 00 06 00 00 00 00 00 00 00 00 00 00 00 |................|
-000000f0 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-00000100 5f 5f 72 6f 64 61 74 61 00 00 00 00 00 00 00 00 |__rodata........|
-00000110 5f 5f 54 45 58 54 00 00 00 00 00 00 00 00 00 00 |__TEXT..........|
-00000120 00 30 00 00 00 00 00 00 0c 00 00 00 00 00 00 00 |.0..............|
-00000130 00 20 00 00 06 00 00 00 00 00 00 00 00 00 00 00 |. ..............|
-00000140 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-00000150 05 00 00 00 b8 00 00 00 04 00 00 00 2a 00 00 00 |............*...|
-00000160 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-*
-000001e0 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |. ..............|
-000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-*
-00001000 b8 04 00 00 02 bf 01 00 00 00 be 00 30 00 00 ba |............0...|
-00001010 0c 00 00 00 0f 05 b8 01 00 00 02 bf 00 00 00 00 |................|
-00001020 0f 05 f4 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-00001030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
-*
-00002000 68 65 6c 6c 6f 20 77 6f 72 6c 64 0a |hello world.|
-0000200c
+++ /dev/null
-// generated by genpcln.go; do not edit
-
-#line 1 "input"
-TEXT func0(SB),7,$48-592
- FUNCDATA $1, funcdata0(SB)
-#line 1 "input"
-#line 1 "input"
-/*0x0004*/ MOVL $0x1234567, AX
-#line 1 "input"
-/*0x0009*/ BYTE $0
-/* */ PCDATA $1, $110
-#line 1 "input"
-/*0x000a*/ BYTE $0
-#line 1 "input"
-/*0x000b*/ BYTE $0
-/* */ PCDATA $1, $422
-#line 1 "input"
-/*0x000c*/ BYTE $0
-#line 1 "input"
-/*0x000d*/ BYTE $0
-#line 1 "input"
-/*0x000e*/ POPQ AX
-#line 1 "input"
-/*0x000f*/ MOVL $0x1234567, AX
-#line 1 "input"
-/*0x0014*/ BYTE $0
-#line 1 "input"
-/*0x0015*/ BYTE $0
-#line 1 "input"
-/*0x0016*/ BYTE $0
-#line 542 "input"
-/*0x0017*/ BYTE $0
-#line 960 "input"
-/*0x0018*/ MOVL $0x1234567, AX
-#line 960 "input"
-/*0x001d*/ BYTE $0
-#line 960 "input"
-/*0x001e*/ PUSHQ AX
-#line 960 "input"
-/*0x001f*/ BYTE $0
-#line 960 "input"
-/*0x0020*/ BYTE $0
-#line 594 "input"
-/*0x0021*/ BYTE $0
-#line 671 "input"
-/*0x0022*/ MOVL $0x1234567, AX
-#line 671 "input"
-/*0x0027*/ BYTE $0
-#line 671 "input"
-/*0x0028*/ BYTE $0
-#line 230 "input"
-/*0x0029*/ BYTE $0
-#line 230 "input"
-/*0x002a*/ BYTE $0
-#line 413 "input"
-/*0x002b*/ BYTE $0
-#line 413 "input"
-/*0x002c*/ BYTE $0
-#line 413 "input"
-/*0x002d*/ BYTE $0
-#line 729 "input"
-/*0x002e*/ BYTE $0
-#line 729 "input"
-/*0x002f*/ BYTE $0
-#line 729 "input"
-/*0x0030*/ BYTE $0
-#line 948 "input"
-/*0x0031*/ BYTE $0
-#line 11 "input"
-/*0x0032*/ MOVQ $0x123456789, AX
-#line 11 "input"
-/*0x003c*/ MOVL $0x1234567, AX
-#line 11 "input"
-/*0x0041*/ BYTE $0
-#line 11 "input"
-/*0x0042*/ BYTE $0
-#line 11 "input"
-/*0x0043*/ POPQ AX
-/* */ PCDATA $2, $342
-#line 11 "input"
-/*0x0044*/ MOVQ $0x123456789, AX
-#line 11 "input"
-/*0x004e*/ MOVQ $0x123456789, AX
-#line 11 "input"
-/*0x0058*/ MOVL $0x1234567, AX
-#line 11 "input"
-/*0x005d*/ BYTE $0
-#line 11 "input"
-/*0x005e*/ BYTE $0
-#line 70 "input"
-/*0x005f*/ BYTE $0
-#line 70 "input"
-/*0x0060*/ BYTE $0
-#line 70 "input"
-/*0x0061*/ BYTE $0
-#line 18 "input"
-/*0x0062*/ MOVQ $0x123456789, AX
-#line 18 "input"
-/*0x006c*/ MOVL $0x1234567, AX
-#line 18 "input"
-/*0x0071*/ BYTE $0
-#line 814 "input"
-/*0x0072*/ BYTE $0
-#line 814 "input"
-/*0x0073*/ PUSHQ AX
-#line 763 "input"
-/*0x0074*/ BYTE $0
-#line 763 "input"
-/*0x0075*/ BYTE $0
-#line 763 "input"
-/*0x0076*/ BYTE $0
-#line 530 "input"
-/*0x0077*/ BYTE $0
-#line 530 "input"
-/*0x0078*/ BYTE $0
-#line 530 "input"
-/*0x0079*/ BYTE $0
-#line 530 "input"
-/*0x007a*/ BYTE $0
-#line 985 "input"
-/*0x007b*/ BYTE $0
-#line 985 "input"
-/*0x007c*/ BYTE $0
-#line 985 "input"
-/*0x007d*/ BYTE $0
-#line 985 "input"
-/*0x007e*/ PUSHQ AX
-#line 985 "input"
-/*0x007f*/ MOVL $0x1234567, AX
-#line 958 "input"
-/*0x0084*/ BYTE $0
-#line 368 "input"
-/*0x0085*/ MOVQ $0x123456789, AX
-#line 368 "input"
-/*0x008f*/ MOVL $0x1234567, AX
-#line 368 "input"
-/*0x0094*/ BYTE $0
-#line 368 "input"
-/*0x0095*/ BYTE $0
-#line 368 "input"
-/*0x0096*/ BYTE $0
-#line 368 "input"
-/*0x0097*/ BYTE $0
-#line 75 "file0.s"
-/*0x0098*/ BYTE $0
-#line 75 "file0.s"
-/*0x0099*/ BYTE $0
-#line 75 "file0.s"
-/*0x009a*/ BYTE $0
-#line 75 "file0.s"
-/*0x009b*/ BYTE $0
-#line 588 "file0.s"
-/*0x009c*/ MOVQ $0x123456789, AX
-#line 187 "file0.s"
-/*0x00a6*/ MOVQ $0x123456789, AX
-#line 187 "file0.s"
-/*0x00b0*/ BYTE $0
-#line 202 "file0.s"
-/*0x00b1*/ MOVL $0x1234567, AX
-#line 202 "file0.s"
-/*0x00b6*/ BYTE $0
-#line 887 "file0.s"
-/*0x00b7*/ MOVL $0x1234567, AX
-#line 887 "file0.s"
-/*0x00bc*/ BYTE $0
-#line 887 "file0.s"
-/*0x00bd*/ BYTE $0
-#line 480 "file0.s"
-/*0x00be*/ MOVL $0x1234567, AX
-#line 480 "file0.s"
-/*0x00c3*/ BYTE $0
-#line 40 "file8.s"
-/*0x00c4*/ BYTE $0
-#line 17 "file0.s"
-/*0x00c5*/ MOVQ $0x123456789, AX
-#line 17 "file0.s"
-/*0x00cf*/ BYTE $0
-#line 17 "file0.s"
-/*0x00d0*/ BYTE $0
-#line 17 "file0.s"
-/*0x00d1*/ BYTE $0
-#line 17 "file0.s"
-/*0x00d2*/ BYTE $0
-#line 436 "file0.s"
-/*0x00d3*/ MOVL $0x1234567, AX
-#line 436 "file0.s"
-/*0x00d8*/ BYTE $0
-#line 436 "file0.s"
-/*0x00d9*/ BYTE $0
-#line 346 "file0.s"
-/*0x00da*/ BYTE $0
-#line 346 "file0.s"
-/*0x00db*/ BYTE $0
-#line 346 "file0.s"
-/*0x00dc*/ BYTE $0
-#line 812 "file0.s"
-/*0x00dd*/ BYTE $0
-#line 812 "file0.s"
-/*0x00de*/ BYTE $0
-#line 812 "file0.s"
-/*0x00df*/ BYTE $0
-#line 812 "file0.s"
-/*0x00e0*/ BYTE $0
-#line 94 "file1.s"
-/*0x00e1*/ BYTE $0
-#line 94 "file1.s"
-/*0x00e2*/ BYTE $0
-#line 165 "file1.s"
-/*0x00e3*/ MOVL $0x1234567, AX
-#line 165 "file1.s"
-/*0x00e8*/ BYTE $0
-#line 456 "file1.s"
-/*0x00e9*/ BYTE $0
-#line 810 "file1.s"
-/*0x00ea*/ BYTE $0
-#line 722 "file1.s"
-/*0x00eb*/ BYTE $0
-#line 722 "file1.s"
-/*0x00ec*/ BYTE $0
-#line 722 "file1.s"
-/*0x00ed*/ BYTE $0
-#line 722 "file1.s"
-/*0x00ee*/ BYTE $0
-#line 722 "file1.s"
-/*0x00ef*/ PUSHQ AX
-#line 722 "file1.s"
-/*0x00f0*/ BYTE $0
-#line 722 "file1.s"
-/*0x00f1*/ BYTE $0
-#line 722 "file1.s"
-/*0x00f2*/ BYTE $0
-#line 722 "file1.s"
-/*0x00f3*/ BYTE $0
-/* */ PCDATA $2, $246
-#line 722 "file1.s"
-/*0x00f4*/ MOVQ $0x123456789, AX
-#line 722 "file1.s"
-/*0x00fe*/ MOVQ $0x123456789, AX
-#line 722 "file1.s"
-/*0x0108*/ MOVL $0x1234567, AX
-#line 722 "file1.s"
-/*0x010d*/ BYTE $0
-#line 722 "file1.s"
-/*0x010e*/ BYTE $0
-#line 497 "file1.s"
-/*0x010f*/ MOVQ $0x123456789, AX
-#line 497 "file1.s"
-/*0x0119*/ MOVQ $0x123456789, AX
-#line 497 "file1.s"
-/*0x0123*/ MOVQ $0x123456789, AX
-#line 497 "file1.s"
-/*0x012d*/ MOVL $0x1234567, AX
-#line 497 "file1.s"
-/*0x0132*/ BYTE $0
-#line 686 "file1.s"
-/*0x0133*/ BYTE $0
-#line 686 "file1.s"
-/*0x0134*/ BYTE $0
-#line 248 "file1.s"
-/*0x0135*/ BYTE $0
-#line 248 "file1.s"
-/*0x0136*/ BYTE $0
-#line 248 "file1.s"
-/*0x0137*/ BYTE $0
-#line 248 "file1.s"
-/*0x0138*/ BYTE $0
-#line 307 "file1.s"
-/*0x0139*/ BYTE $0
-#line 220 "file1.s"
-/*0x013a*/ MOVL $0x1234567, AX
-#line 220 "file1.s"
-/*0x013f*/ BYTE $0
-#line 220 "file1.s"
-/*0x0140*/ BYTE $0
-#line 467 "file1.s"
-/*0x0141*/ MOVQ $0x123456789, AX
-#line 467 "file1.s"
-/*0x014b*/ BYTE $0
-#line 467 "file1.s"
-/*0x014c*/ BYTE $0
-#line 467 "file1.s"
-/*0x014d*/ BYTE $0
-#line 467 "file1.s"
-/*0x014e*/ BYTE $0
-#line 786 "file1.s"
-/*0x014f*/ MOVL $0x1234567, AX
-#line 251 "file1.s"
-/*0x0154*/ BYTE $0
-/* */ PCDATA $2, $64
-#line 251 "file1.s"
-/*0x0155*/ BYTE $0
-#line 251 "file1.s"
-/*0x0156*/ BYTE $0
-#line 251 "file1.s"
-/*0x0157*/ BYTE $0
-#line 618 "file1.s"
-/*0x0158*/ MOVQ $0x123456789, AX
-/* */ PCDATA $1, $686
-#line 618 "file1.s"
-/*0x0162*/ BYTE $0
-#line 618 "file1.s"
-/*0x0163*/ BYTE $0
-#line 618 "file1.s"
-/*0x0164*/ BYTE $0
-#line 618 "file1.s"
-/*0x0165*/ PUSHQ AX
-/* */ PCDATA $2, $915
-#line 618 "file1.s"
-/*0x0166*/ BYTE $0
-#line 618 "file1.s"
-/*0x0167*/ BYTE $0
-#line 618 "file1.s"
-/*0x0168*/ BYTE $0
-#line 618 "file1.s"
-/*0x0169*/ BYTE $0
-#line 230 "file1.s"
-/*0x016a*/ BYTE $0
-#line 823 "file1.s"
-/*0x016b*/ BYTE $0
-#line 145 "file1.s"
-/*0x016c*/ MOVQ $0x123456789, AX
-#line 145 "file1.s"
-/*0x0176*/ BYTE $0
-#line 145 "file1.s"
-/*0x0177*/ BYTE $0
-#line 675 "file1.s"
-/*0x0178*/ BYTE $0
-#line 62 "file9.s"
-/*0x0179*/ BYTE $0
-/* */ PCDATA $2, $768
-#line 62 "file9.s"
-/*0x017a*/ BYTE $0
-#line 62 "file9.s"
-/*0x017b*/ BYTE $0
-#line 29 "file9.s"
-/*0x017c*/ BYTE $0
-#line 29 "file9.s"
-/*0x017d*/ BYTE $0
-#line 29 "file9.s"
-/*0x017e*/ BYTE $0
-#line 29 "file9.s"
-/*0x017f*/ BYTE $0
-#line 65 "file4.s"
-/*0x0180*/ BYTE $0
-#line 77 "file3.s"
-/*0x0181*/ MOVL $0x1234567, AX
-#line 77 "file3.s"
-/*0x0186*/ BYTE $0
-#line 77 "file3.s"
-/*0x0187*/ BYTE $0
-#line 77 "file3.s"
-/*0x0188*/ BYTE $0
-#line 307 "file3.s"
-/*0x0189*/ MOVQ $0x123456789, AX
-#line 307 "file3.s"
-/*0x0193*/ BYTE $0
-#line 654 "file3.s"
-/*0x0194*/ BYTE $0
-#line 654 "file3.s"
-/*0x0195*/ BYTE $0
-#line 115 "file3.s"
-/*0x0196*/ MOVL $0x1234567, AX
-#line 115 "file3.s"
-/*0x019b*/ BYTE $0
-#line 115 "file3.s"
-/*0x019c*/ BYTE $0
-#line 115 "file3.s"
-/*0x019d*/ BYTE $0
-#line 115 "file3.s"
-/*0x019e*/ BYTE $0
-#line 154 "file3.s"
-/*0x019f*/ MOVQ $0x123456789, AX
-#line 166 "file3.s"
-/*0x01a9*/ BYTE $0
-#line 166 "file3.s"
-/*0x01aa*/ BYTE $0
-#line 166 "file3.s"
-/*0x01ab*/ BYTE $0
-/* */ PCDATA $1, $523
-#line 166 "file3.s"
-/*0x01ac*/ MOVL $0x1234567, AX
-#line 166 "file3.s"
-/*0x01b1*/ BYTE $0
-#line 779 "file3.s"
-/*0x01b2*/ BYTE $0
-#line 779 "file3.s"
-/*0x01b3*/ BYTE $0
-#line 515 "file3.s"
-/*0x01b4*/ BYTE $0
-#line 515 "file3.s"
-/*0x01b5*/ BYTE $0
-#line 369 "file3.s"
-/*0x01b6*/ MOVL $0x1234567, AX
-#line 369 "file3.s"
-/*0x01bb*/ BYTE $0
-#line 369 "file3.s"
-/*0x01bc*/ BYTE $0
-#line 369 "file3.s"
-/*0x01bd*/ BYTE $0
-#line 680 "file3.s"
-/*0x01be*/ BYTE $0
-#line 680 "file3.s"
-/*0x01bf*/ BYTE $0
-#line 680 "file3.s"
-/*0x01c0*/ BYTE $0
-#line 680 "file3.s"
-/*0x01c1*/ BYTE $0
-#line 131 "file3.s"
-/*0x01c2*/ MOVQ $0x123456789, AX
-#line 131 "file3.s"
-/*0x01cc*/ BYTE $0
-#line 131 "file3.s"
-/*0x01cd*/ BYTE $0
-#line 131 "file3.s"
-/*0x01ce*/ BYTE $0
-#line 131 "file3.s"
-/*0x01cf*/ BYTE $0
-#line 848 "file3.s"
-/*0x01d0*/ BYTE $0
-#line 848 "file3.s"
-/*0x01d1*/ BYTE $0
-#line 848 "file3.s"
-/*0x01d2*/ POPQ AX
-#line 848 "file3.s"
-/*0x01d3*/ BYTE $0
-#line 848 "file3.s"
-/*0x01d4*/ BYTE $0
-#line 848 "file3.s"
-/*0x01d5*/ BYTE $0
-/* */ PCDATA $1, $86
-#line 848 "file3.s"
-/*0x01d6*/ MOVL $0x1234567, AX
-#line 438 "file3.s"
-/*0x01db*/ MOVQ $0x123456789, AX
-#line 438 "file3.s"
-/*0x01e5*/ MOVL $0x1234567, AX
-#line 5 "file3.s"
-/*0x01ea*/ BYTE $0
-#line 5 "file3.s"
-/*0x01eb*/ BYTE $0
-#line 531 "file3.s"
-/*0x01ec*/ MOVQ $0x123456789, AX
-#line 531 "file3.s"
-/*0x01f6*/ MOVQ $0x123456789, AX
-#line 531 "file3.s"
-/*0x0200*/ MOVQ $0x123456789, AX
-#line 531 "file3.s"
-/*0x020a*/ MOVL $0x1234567, AX
-#line 863 "file3.s"
-/*0x020f*/ BYTE $0
-#line 733 "file3.s"
-/*0x0210*/ MOVQ $0x123456789, AX
-#line 166 "file3.s"
-/*0x021a*/ MOVQ $0x123456789, AX
-#line 166 "file3.s"
-/*0x0224*/ BYTE $0
-#line 166 "file3.s"
-/*0x0225*/ BYTE $0
-#line 166 "file3.s"
-/*0x0226*/ BYTE $0
-#line 166 "file3.s"
-/*0x0227*/ BYTE $0
-#line 54 "file3.s"
-/*0x0228*/ MOVQ $0x123456789, AX
-#line 54 "file3.s"
-/*0x0232*/ BYTE $0
-#line 54 "file3.s"
-/*0x0233*/ BYTE $0
-#line 54 "file3.s"
-/*0x0234*/ BYTE $0
-#line 20 "file4.s"
-/*0x0235*/ BYTE $0
-#line 20 "file4.s"
-/*0x0236*/ BYTE $0
-#line 546 "file4.s"
-/*0x0237*/ BYTE $0
-#line 546 "file4.s"
-/*0x0238*/ BYTE $0
-#line 74 "file4.s"
-/*0x0239*/ BYTE $0
-#line 31 "file4.s"
-/*0x023a*/ BYTE $0
-#line 31 "file4.s"
-/*0x023b*/ BYTE $0
-#line 31 "file4.s"
-/*0x023c*/ BYTE $0
-#line 31 "file4.s"
-/*0x023d*/ BYTE $0
-#line 834 "file4.s"
-/*0x023e*/ BYTE $0
-#line 834 "file4.s"
-/*0x023f*/ BYTE $0
-#line 519 "file4.s"
-/*0x0240*/ MOVL $0x1234567, AX
-#line 342 "file4.s"
-/*0x0245*/ BYTE $0
-#line 342 "file4.s"
-/*0x0246*/ BYTE $0
-#line 342 "file4.s"
-/*0x0247*/ BYTE $0
-#line 458 "file4.s"
-/*0x0248*/ BYTE $0
-#line 458 "file4.s"
-/*0x0249*/ BYTE $0
-#line 458 "file4.s"
-/*0x024a*/ BYTE $0
-#line 458 "file4.s"
-/*0x024b*/ BYTE $0
-#line 13 "file9.s"
-/*0x024c*/ BYTE $0
-#line 13 "file9.s"
-/*0x024d*/ BYTE $0
-#line 13 "file9.s"
-/*0x024e*/ BYTE $0
-#line 365 "file9.s"
-/*0x024f*/ BYTE $0
-#line 749 "file9.s"
-/*0x0250*/ MOVL $0x1234567, AX
-#line 749 "file9.s"
-/*0x0255*/ BYTE $0
-#line 749 "file9.s"
-/*0x0256*/ BYTE $0
-#line 41 "file0.s"
-/*0x0257*/ MOVL $0x1234567, AX
-#line 41 "file0.s"
-/*0x025c*/ BYTE $0
-#line 41 "file0.s"
-/*0x025d*/ BYTE $0
-#line 41 "file0.s"
-/*0x025e*/ BYTE $0
-#line 869 "file0.s"
-/*0x025f*/ BYTE $0
-#line 881 "file0.s"
-/*0x0260*/ MOVQ $0x123456789, AX
-#line 881 "file0.s"
-/*0x026a*/ MOVQ $0x123456789, AX
- POPQ AX
- POPQ AX
- RET
-
-GLOBL funcdata0(SB), $16
-#line 1 "input"
-TEXT func1(SB),7,$40-648
- FUNCDATA $1, funcdata1(SB)
-#line 1 "input"
-#line 1 "input"
-/*0x0004*/ BYTE $0
-#line 12 "file4.s"
-/*0x0005*/ MOVL $0x1234567, AX
-#line 12 "file4.s"
-/*0x000a*/ BYTE $0
-#line 12 "file4.s"
-/*0x000b*/ BYTE $0
-#line 12 "file4.s"
-/*0x000c*/ BYTE $0
-/* */ PCDATA $2, $705
-#line 12 "file4.s"
-/*0x000d*/ MOVQ $0x123456789, AX
-#line 12 "file4.s"
-/*0x0017*/ BYTE $0
-#line 633 "file4.s"
-/*0x0018*/ MOVQ $0x123456789, AX
-#line 633 "file4.s"
-/*0x0022*/ MOVL $0x1234567, AX
-#line 633 "file4.s"
-/*0x0027*/ POPQ AX
-#line 633 "file4.s"
-/*0x0028*/ BYTE $0
-#line 633 "file4.s"
-/*0x0029*/ BYTE $0
-#line 633 "file4.s"
-/*0x002a*/ BYTE $0
-#line 633 "file4.s"
-/*0x002b*/ PUSHQ AX
-#line 633 "file4.s"
-/*0x002c*/ MOVL $0x1234567, AX
-#line 997 "file4.s"
-/*0x0031*/ BYTE $0
-#line 997 "file4.s"
-/*0x0032*/ BYTE $0
-#line 997 "file4.s"
-/*0x0033*/ BYTE $0
-#line 997 "file4.s"
-/*0x0034*/ BYTE $0
-#line 997 "file4.s"
-/*0x0035*/ POPQ AX
-#line 997 "file4.s"
-/*0x0036*/ BYTE $0
-#line 997 "file4.s"
-/*0x0037*/ BYTE $0
-#line 1 "file4.s"
-/*0x0038*/ MOVQ $0x123456789, AX
-#line 1 "file4.s"
-/*0x0042*/ MOVQ $0x123456789, AX
-#line 1 "file4.s"
-/*0x004c*/ MOVQ $0x123456789, AX
-#line 1 "file4.s"
-/*0x0056*/ MOVQ $0x123456789, AX
-#line 1 "file4.s"
-/*0x0060*/ BYTE $0
-#line 922 "file4.s"
-/*0x0061*/ BYTE $0
-#line 375 "file4.s"
-/*0x0062*/ MOVL $0x1234567, AX
-/* */ PCDATA $1, $51
-#line 31 "file4.s"
-/*0x0067*/ MOVQ $0x123456789, AX
-#line 31 "file4.s"
-/*0x0071*/ BYTE $0
-#line 620 "file4.s"
-/*0x0072*/ MOVL $0x1234567, AX
-#line 620 "file4.s"
-/*0x0077*/ BYTE $0
-#line 695 "file4.s"
-/*0x0078*/ MOVL $0x1234567, AX
-#line 799 "file4.s"
-/*0x007d*/ MOVL $0x1234567, AX
-#line 41 "file4.s"
-/*0x0082*/ BYTE $0
-#line 795 "file4.s"
-/*0x0083*/ MOVL $0x1234567, AX
-#line 908 "file4.s"
-/*0x0088*/ BYTE $0
-#line 905 "file4.s"
-/*0x0089*/ BYTE $0
-#line 905 "file4.s"
-/*0x008a*/ BYTE $0
-#line 905 "file4.s"
-/*0x008b*/ BYTE $0
-#line 905 "file4.s"
-/*0x008c*/ BYTE $0
-#line 861 "file4.s"
-/*0x008d*/ MOVL $0x1234567, AX
-#line 861 "file4.s"
-/*0x0092*/ BYTE $0
-#line 861 "file4.s"
-/*0x0093*/ BYTE $0
-#line 861 "file4.s"
-/*0x0094*/ BYTE $0
-#line 861 "file4.s"
-/*0x0095*/ BYTE $0
-/* */ PCDATA $1, $192
-#line 861 "file4.s"
-/*0x0096*/ MOVQ $0x123456789, AX
-/* */ PCDATA $1, $60
-#line 861 "file4.s"
-/*0x00a0*/ MOVL $0x1234567, AX
-#line 861 "file4.s"
-/*0x00a5*/ BYTE $0
-#line 861 "file4.s"
-/*0x00a6*/ BYTE $0
-#line 56 "file6.s"
-/*0x00a7*/ MOVQ $0x123456789, AX
-#line 56 "file6.s"
-/*0x00b1*/ BYTE $0
-#line 56 "file6.s"
-/*0x00b2*/ BYTE $0
-#line 56 "file6.s"
-/*0x00b3*/ BYTE $0
-#line 204 "file6.s"
-/*0x00b4*/ BYTE $0
-#line 204 "file6.s"
-/*0x00b5*/ BYTE $0
-#line 204 "file6.s"
-/*0x00b6*/ BYTE $0
-#line 204 "file6.s"
-/*0x00b7*/ BYTE $0
-#line 979 "file6.s"
-/*0x00b8*/ MOVL $0x1234567, AX
-#line 979 "file6.s"
-/*0x00bd*/ BYTE $0
-#line 979 "file6.s"
-/*0x00be*/ BYTE $0
-#line 979 "file6.s"
-/*0x00bf*/ BYTE $0
-#line 58 "file6.s"
-/*0x00c0*/ MOVL $0x1234567, AX
-#line 238 "file6.s"
-/*0x00c5*/ MOVL $0x1234567, AX
-#line 238 "file6.s"
-/*0x00ca*/ BYTE $0
-#line 238 "file6.s"
-/*0x00cb*/ BYTE $0
-#line 699 "file2.s"
-/*0x00cc*/ MOVQ $0x123456789, AX
-#line 699 "file2.s"
-/*0x00d6*/ BYTE $0
-#line 699 "file2.s"
-/*0x00d7*/ BYTE $0
-#line 514 "file2.s"
-/*0x00d8*/ MOVL $0x1234567, AX
-#line 514 "file2.s"
-/*0x00dd*/ BYTE $0
-#line 514 "file2.s"
-/*0x00de*/ BYTE $0
-#line 108 "file2.s"
-/*0x00df*/ MOVQ $0x123456789, AX
-#line 108 "file2.s"
-/*0x00e9*/ MOVQ $0x123456789, AX
-#line 108 "file2.s"
-/*0x00f3*/ MOVL $0x1234567, AX
-#line 108 "file2.s"
-/*0x00f8*/ BYTE $0
-#line 108 "file2.s"
-/*0x00f9*/ BYTE $0
-#line 918 "file2.s"
-/*0x00fa*/ BYTE $0
-#line 918 "file2.s"
-/*0x00fb*/ BYTE $0
-#line 785 "file2.s"
-/*0x00fc*/ BYTE $0
-#line 3 "file5.s"
-/*0x00fd*/ BYTE $0
-#line 918 "file5.s"
-/*0x00fe*/ BYTE $0
-#line 918 "file5.s"
-/*0x00ff*/ BYTE $0
-#line 670 "file5.s"
-/*0x0100*/ MOVL $0x1234567, AX
-#line 670 "file5.s"
-/*0x0105*/ BYTE $0
-#line 720 "file5.s"
-/*0x0106*/ BYTE $0
-#line 384 "file5.s"
-/*0x0107*/ MOVQ $0x123456789, AX
-#line 384 "file5.s"
-/*0x0111*/ MOVQ $0x123456789, AX
-#line 384 "file5.s"
-/*0x011b*/ MOVQ $0x123456789, AX
-#line 384 "file5.s"
-/*0x0125*/ BYTE $0
-#line 384 "file5.s"
-/*0x0126*/ BYTE $0
-#line 263 "file5.s"
-/*0x0127*/ BYTE $0
-#line 750 "file5.s"
-/*0x0128*/ MOVL $0x1234567, AX
-#line 750 "file5.s"
-/*0x012d*/ BYTE $0
-#line 679 "file5.s"
-/*0x012e*/ MOVL $0x1234567, AX
-#line 679 "file5.s"
-/*0x0133*/ BYTE $0
-#line 679 "file5.s"
-/*0x0134*/ BYTE $0
-#line 679 "file5.s"
-/*0x0135*/ BYTE $0
-#line 679 "file5.s"
-/*0x0136*/ POPQ AX
-#line 171 "file5.s"
-/*0x0137*/ MOVL $0x1234567, AX
-#line 171 "file5.s"
-/*0x013c*/ BYTE $0
-#line 34 "file2.s"
-/*0x013d*/ BYTE $0
-#line 34 "file2.s"
-/*0x013e*/ BYTE $0
-#line 34 "file2.s"
-/*0x013f*/ BYTE $0
-#line 732 "file2.s"
-/*0x0140*/ BYTE $0
-#line 732 "file2.s"
-/*0x0141*/ PUSHQ AX
-#line 485 "file2.s"
-/*0x0142*/ BYTE $0
-#line 485 "file2.s"
-/*0x0143*/ BYTE $0
-#line 485 "file2.s"
-/*0x0144*/ BYTE $0
-#line 222 "file2.s"
-/*0x0145*/ BYTE $0
-#line 222 "file2.s"
-/*0x0146*/ BYTE $0
-/* */ PCDATA $1, $462
-#line 222 "file2.s"
-/*0x0147*/ MOVQ $0x123456789, AX
-#line 222 "file2.s"
-/*0x0151*/ MOVL $0x1234567, AX
-#line 222 "file2.s"
-/*0x0156*/ BYTE $0
-#line 677 "file2.s"
-/*0x0157*/ BYTE $0
-#line 117 "file2.s"
-/*0x0158*/ MOVL $0x1234567, AX
-#line 117 "file2.s"
-/*0x015d*/ BYTE $0
-#line 117 "file2.s"
-/*0x015e*/ BYTE $0
-#line 361 "file2.s"
-/*0x015f*/ MOVL $0x1234567, AX
-#line 590 "file2.s"
-/*0x0164*/ BYTE $0
-#line 590 "file2.s"
-/*0x0165*/ BYTE $0
-#line 58 "file2.s"
-/*0x0166*/ MOVL $0x1234567, AX
-#line 58 "file2.s"
-/*0x016b*/ BYTE $0
-#line 58 "file2.s"
-/*0x016c*/ BYTE $0
-#line 58 "file2.s"
-/*0x016d*/ BYTE $0
-#line 58 "file2.s"
-/*0x016e*/ BYTE $0
-#line 983 "file2.s"
-/*0x016f*/ BYTE $0
-#line 983 "file2.s"
-/*0x0170*/ BYTE $0
-#line 983 "file2.s"
-/*0x0171*/ BYTE $0
-#line 983 "file2.s"
-/*0x0172*/ BYTE $0
-#line 727 "file2.s"
-/*0x0173*/ MOVL $0x1234567, AX
-#line 450 "file2.s"
-/*0x0178*/ BYTE $0
-#line 450 "file2.s"
-/*0x0179*/ BYTE $0
-#line 450 "file2.s"
-/*0x017a*/ BYTE $0
-#line 450 "file2.s"
-/*0x017b*/ BYTE $0
-#line 334 "file2.s"
-/*0x017c*/ BYTE $0
-#line 334 "file2.s"
-/*0x017d*/ BYTE $0
-#line 334 "file2.s"
-/*0x017e*/ BYTE $0
-#line 334 "file2.s"
-/*0x017f*/ BYTE $0
-#line 465 "file2.s"
-/*0x0180*/ MOVL $0x1234567, AX
-/* */ PCDATA $1, $518
-#line 465 "file2.s"
-/*0x0185*/ MOVL $0x1234567, AX
-#line 465 "file2.s"
-/*0x018a*/ BYTE $0
-#line 465 "file2.s"
-/*0x018b*/ BYTE $0
-#line 465 "file2.s"
-/*0x018c*/ BYTE $0
-#line 465 "file2.s"
-/*0x018d*/ BYTE $0
-#line 682 "file2.s"
-/*0x018e*/ MOVL $0x1234567, AX
-#line 682 "file2.s"
-/*0x0193*/ BYTE $0
-#line 682 "file2.s"
-/*0x0194*/ BYTE $0
-#line 846 "file2.s"
-/*0x0195*/ MOVQ $0x123456789, AX
-#line 846 "file2.s"
-/*0x019f*/ BYTE $0
-#line 846 "file2.s"
-/*0x01a0*/ BYTE $0
-#line 846 "file2.s"
-/*0x01a1*/ POPQ AX
-#line 846 "file2.s"
-/*0x01a2*/ BYTE $0
-#line 846 "file2.s"
-/*0x01a3*/ BYTE $0
-#line 49 "file2.s"
-/*0x01a4*/ BYTE $0
-#line 49 "file2.s"
-/*0x01a5*/ BYTE $0
-#line 49 "file2.s"
-/*0x01a6*/ BYTE $0
-#line 726 "file2.s"
-/*0x01a7*/ MOVQ $0x123456789, AX
-#line 726 "file2.s"
-/*0x01b1*/ MOVL $0x1234567, AX
-#line 726 "file2.s"
-/*0x01b6*/ BYTE $0
-#line 726 "file2.s"
-/*0x01b7*/ BYTE $0
-#line 726 "file2.s"
-/*0x01b8*/ BYTE $0
-#line 726 "file2.s"
-/*0x01b9*/ PUSHQ AX
-#line 726 "file2.s"
-/*0x01ba*/ BYTE $0
-#line 726 "file2.s"
-/*0x01bb*/ BYTE $0
-#line 726 "file2.s"
-/*0x01bc*/ BYTE $0
-#line 726 "file2.s"
-/*0x01bd*/ BYTE $0
-#line 13 "file1.s"
-/*0x01be*/ BYTE $0
-#line 13 "file1.s"
-/*0x01bf*/ BYTE $0
-#line 13 "file1.s"
-/*0x01c0*/ BYTE $0
-#line 827 "file1.s"
-/*0x01c1*/ MOVL $0x1234567, AX
-#line 827 "file1.s"
-/*0x01c6*/ BYTE $0
-#line 827 "file1.s"
-/*0x01c7*/ BYTE $0
-#line 827 "file1.s"
-/*0x01c8*/ BYTE $0
-#line 827 "file1.s"
-/*0x01c9*/ BYTE $0
-#line 783 "file1.s"
-/*0x01ca*/ BYTE $0
-#line 783 "file1.s"
-/*0x01cb*/ BYTE $0
-#line 783 "file1.s"
-/*0x01cc*/ BYTE $0
-#line 783 "file1.s"
-/*0x01cd*/ BYTE $0
-#line 367 "file1.s"
-/*0x01ce*/ MOVQ $0x123456789, AX
-#line 367 "file1.s"
-/*0x01d8*/ MOVL $0x1234567, AX
-#line 367 "file1.s"
-/*0x01dd*/ BYTE $0
-#line 367 "file1.s"
-/*0x01de*/ BYTE $0
-#line 367 "file1.s"
-/*0x01df*/ BYTE $0
-#line 367 "file1.s"
-/*0x01e0*/ BYTE $0
-#line 581 "file1.s"
-/*0x01e1*/ BYTE $0
-#line 581 "file1.s"
-/*0x01e2*/ BYTE $0
-#line 581 "file1.s"
-/*0x01e3*/ BYTE $0
-#line 638 "file1.s"
-/*0x01e4*/ MOVQ $0x123456789, AX
-#line 638 "file1.s"
-/*0x01ee*/ MOVL $0x1234567, AX
-#line 638 "file1.s"
-/*0x01f3*/ BYTE $0
-#line 638 "file1.s"
-/*0x01f4*/ BYTE $0
-#line 638 "file1.s"
-/*0x01f5*/ BYTE $0
-#line 359 "file1.s"
-/*0x01f6*/ BYTE $0
-#line 449 "file1.s"
-/*0x01f7*/ BYTE $0
-#line 449 "file1.s"
-/*0x01f8*/ BYTE $0
-#line 449 "file1.s"
-/*0x01f9*/ BYTE $0
-#line 298 "file1.s"
-/*0x01fa*/ BYTE $0
-#line 298 "file1.s"
-/*0x01fb*/ BYTE $0
-#line 257 "file1.s"
-/*0x01fc*/ BYTE $0
-#line 257 "file1.s"
-/*0x01fd*/ BYTE $0
-#line 257 "file1.s"
-/*0x01fe*/ BYTE $0
-#line 512 "file1.s"
-/*0x01ff*/ MOVL $0x1234567, AX
-#line 512 "file1.s"
-/*0x0204*/ BYTE $0
-#line 512 "file1.s"
-/*0x0205*/ BYTE $0
-#line 617 "file1.s"
-/*0x0206*/ MOVL $0x1234567, AX
-#line 478 "file1.s"
-/*0x020b*/ BYTE $0
-/* */ PCDATA $2, $351
-#line 478 "file1.s"
-/*0x020c*/ BYTE $0
-#line 958 "file1.s"
-/*0x020d*/ BYTE $0
-#line 958 "file1.s"
-/*0x020e*/ BYTE $0
-#line 958 "file1.s"
-/*0x020f*/ BYTE $0
-#line 958 "file1.s"
-/*0x0210*/ BYTE $0
-#line 371 "file1.s"
-/*0x0211*/ MOVQ $0x123456789, AX
-#line 371 "file1.s"
-/*0x021b*/ BYTE $0
-#line 371 "file1.s"
-/*0x021c*/ BYTE $0
-#line 56 "file3.s"
-/*0x021d*/ MOVL $0x1234567, AX
-#line 56 "file3.s"
-/*0x0222*/ BYTE $0
-#line 56 "file3.s"
-/*0x0223*/ BYTE $0
-#line 56 "file9.s"
-/*0x0224*/ MOVQ $0x123456789, AX
-#line 56 "file9.s"
-/*0x022e*/ BYTE $0
-#line 56 "file9.s"
-/*0x022f*/ BYTE $0
-#line 56 "file9.s"
-/*0x0230*/ BYTE $0
-#line 56 "file9.s"
-/*0x0231*/ BYTE $0
-#line 684 "file9.s"
-/*0x0232*/ MOVQ $0x123456789, AX
-#line 684 "file9.s"
-/*0x023c*/ BYTE $0
-#line 684 "file9.s"
-/*0x023d*/ POPQ AX
-#line 407 "file9.s"
-/*0x023e*/ MOVL $0x1234567, AX
-#line 407 "file9.s"
-/*0x0243*/ BYTE $0
- PUSHQ AX
- PUSHQ AX
- RET
-
-GLOBL funcdata1(SB), $16
-#line 1 "input"
-TEXT func2(SB),7,$40-688
- FUNCDATA $1, funcdata2(SB)
-#line 1 "input"
-#line 1 "input"
-/*0x0004*/ BYTE $0
-#line 860 "input"
-/*0x0005*/ BYTE $0
-#line 860 "input"
-/*0x0006*/ BYTE $0
-#line 860 "input"
-/*0x0007*/ BYTE $0
-#line 860 "input"
-/*0x0008*/ BYTE $0
-#line 85 "input"
-/*0x0009*/ BYTE $0
-#line 85 "input"
-/*0x000a*/ BYTE $0
-#line 355 "input"
-/*0x000b*/ MOVQ $0x123456789, AX
-#line 355 "input"
-/*0x0015*/ MOVL $0x1234567, AX
-#line 355 "input"
-/*0x001a*/ BYTE $0
-#line 355 "input"
-/*0x001b*/ BYTE $0
-#line 355 "input"
-/*0x001c*/ BYTE $0
-#line 840 "input"
-/*0x001d*/ MOVL $0x1234567, AX
-#line 840 "input"
-/*0x0022*/ BYTE $0
-#line 294 "input"
-/*0x0023*/ MOVQ $0x123456789, AX
-#line 294 "input"
-/*0x002d*/ MOVQ $0x123456789, AX
-#line 294 "input"
-/*0x0037*/ MOVQ $0x123456789, AX
-#line 294 "input"
-/*0x0041*/ BYTE $0
-#line 294 "input"
-/*0x0042*/ BYTE $0
-#line 294 "input"
-/*0x0043*/ BYTE $0
-#line 294 "input"
-/*0x0044*/ BYTE $0
-/* */ PCDATA $1, $385
-#line 294 "input"
-/*0x0045*/ BYTE $0
-#line 294 "input"
-/*0x0046*/ BYTE $0
-#line 294 "input"
-/*0x0047*/ BYTE $0
-#line 81 "file9.s"
-/*0x0048*/ MOVL $0x1234567, AX
-#line 81 "file9.s"
-/*0x004d*/ BYTE $0
-#line 81 "file9.s"
-/*0x004e*/ BYTE $0
-#line 81 "file9.s"
-/*0x004f*/ POPQ AX
-#line 81 "file9.s"
-/*0x0050*/ MOVL $0x1234567, AX
-#line 81 "file9.s"
-/*0x0055*/ BYTE $0
-/* */ PCDATA $1, $701
-#line 81 "file9.s"
-/*0x0056*/ MOVL $0x1234567, AX
-#line 81 "file9.s"
-/*0x005b*/ BYTE $0
-#line 81 "file9.s"
-/*0x005c*/ BYTE $0
-#line 81 "file9.s"
-/*0x005d*/ BYTE $0
-#line 81 "file9.s"
-/*0x005e*/ BYTE $0
-#line 290 "file9.s"
-/*0x005f*/ BYTE $0
-#line 290 "file9.s"
-/*0x0060*/ BYTE $0
-#line 290 "file9.s"
-/*0x0061*/ BYTE $0
-#line 197 "file9.s"
-/*0x0062*/ MOVL $0x1234567, AX
-#line 197 "file9.s"
-/*0x0067*/ BYTE $0
-#line 608 "file9.s"
-/*0x0068*/ MOVQ $0x123456789, AX
-#line 608 "file9.s"
-/*0x0072*/ MOVQ $0x123456789, AX
-#line 608 "file9.s"
-/*0x007c*/ BYTE $0
-/* */ PCDATA $1, $562
-#line 608 "file9.s"
-/*0x007d*/ BYTE $0
-#line 608 "file9.s"
-/*0x007e*/ BYTE $0
-#line 189 "file9.s"
-/*0x007f*/ MOVL $0x1234567, AX
-#line 189 "file9.s"
-/*0x0084*/ BYTE $0
-#line 189 "file9.s"
-/*0x0085*/ BYTE $0
-#line 189 "file9.s"
-/*0x0086*/ BYTE $0
-#line 189 "file9.s"
-/*0x0087*/ BYTE $0
-#line 472 "file9.s"
-/*0x0088*/ MOVL $0x1234567, AX
-#line 472 "file9.s"
-/*0x008d*/ BYTE $0
-#line 472 "file9.s"
-/*0x008e*/ BYTE $0
-#line 472 "file9.s"
-/*0x008f*/ PUSHQ AX
-#line 472 "file9.s"
-/*0x0090*/ MOVQ $0x123456789, AX
-#line 472 "file9.s"
-/*0x009a*/ MOVL $0x1234567, AX
-#line 472 "file9.s"
-/*0x009f*/ BYTE $0
-#line 472 "file9.s"
-/*0x00a0*/ BYTE $0
-#line 472 "file9.s"
-/*0x00a1*/ BYTE $0
-#line 472 "file9.s"
-/*0x00a2*/ BYTE $0
-#line 148 "file9.s"
-/*0x00a3*/ MOVQ $0x123456789, AX
-#line 148 "file9.s"
-/*0x00ad*/ BYTE $0
-#line 148 "file9.s"
-/*0x00ae*/ BYTE $0
-#line 148 "file9.s"
-/*0x00af*/ BYTE $0
-#line 148 "file9.s"
-/*0x00b0*/ BYTE $0
-#line 562 "file9.s"
-/*0x00b1*/ MOVL $0x1234567, AX
-#line 562 "file9.s"
-/*0x00b6*/ BYTE $0
-#line 562 "file9.s"
-/*0x00b7*/ PUSHQ AX
-#line 562 "file9.s"
-/*0x00b8*/ BYTE $0
-#line 532 "file9.s"
-/*0x00b9*/ MOVQ $0x123456789, AX
-#line 532 "file9.s"
-/*0x00c3*/ MOVQ $0x123456789, AX
-#line 282 "file9.s"
-/*0x00cd*/ BYTE $0
-#line 282 "file9.s"
-/*0x00ce*/ BYTE $0
-#line 282 "file9.s"
-/*0x00cf*/ BYTE $0
-/* */ PCDATA $2, $861
-#line 282 "file9.s"
-/*0x00d0*/ BYTE $0
-#line 282 "file9.s"
-/*0x00d1*/ BYTE $0
-/* */ PCDATA $2, $310
-#line 282 "file9.s"
-/*0x00d2*/ BYTE $0
-#line 416 "file9.s"
-/*0x00d3*/ MOVQ $0x123456789, AX
-#line 416 "file9.s"
-/*0x00dd*/ MOVL $0x1234567, AX
-#line 780 "file9.s"
-/*0x00e2*/ BYTE $0
-#line 780 "file9.s"
-/*0x00e3*/ BYTE $0
-#line 765 "file9.s"
-/*0x00e4*/ MOVL $0x1234567, AX
-#line 523 "file9.s"
-/*0x00e9*/ BYTE $0
-#line 523 "file9.s"
-/*0x00ea*/ BYTE $0
-#line 523 "file9.s"
-/*0x00eb*/ BYTE $0
-#line 733 "file9.s"
-/*0x00ec*/ MOVQ $0x123456789, AX
-#line 378 "file9.s"
-/*0x00f6*/ BYTE $0
-#line 378 "file9.s"
-/*0x00f7*/ BYTE $0
-#line 378 "file9.s"
-/*0x00f8*/ BYTE $0
-#line 378 "file9.s"
-/*0x00f9*/ BYTE $0
-#line 540 "file9.s"
-/*0x00fa*/ BYTE $0
-#line 540 "file9.s"
-/*0x00fb*/ BYTE $0
-#line 57 "file9.s"
-/*0x00fc*/ BYTE $0
-#line 57 "file9.s"
-/*0x00fd*/ BYTE $0
-#line 57 "file9.s"
-/*0x00fe*/ BYTE $0
-#line 417 "file9.s"
-/*0x00ff*/ BYTE $0
-/* */ PCDATA $1, $932
-#line 417 "file9.s"
-/*0x0100*/ BYTE $0
-#line 417 "file9.s"
-/*0x0101*/ BYTE $0
-#line 417 "file9.s"
-/*0x0102*/ BYTE $0
-#line 417 "file9.s"
-/*0x0103*/ BYTE $0
-#line 713 "file9.s"
-/*0x0104*/ MOVL $0x1234567, AX
-#line 610 "file0.s"
-/*0x0109*/ MOVQ $0x123456789, AX
-#line 610 "file0.s"
-/*0x0113*/ MOVL $0x1234567, AX
-#line 610 "file0.s"
-/*0x0118*/ BYTE $0
-#line 787 "file0.s"
-/*0x0119*/ MOVQ $0x123456789, AX
-#line 829 "file0.s"
-/*0x0123*/ BYTE $0
-#line 829 "file0.s"
-/*0x0124*/ BYTE $0
-#line 829 "file0.s"
-/*0x0125*/ BYTE $0
-#line 849 "file0.s"
-/*0x0126*/ BYTE $0
-#line 849 "file0.s"
-/*0x0127*/ BYTE $0
-#line 849 "file0.s"
-/*0x0128*/ BYTE $0
-/* */ PCDATA $2, $356
-#line 849 "file0.s"
-/*0x0129*/ BYTE $0
-#line 849 "file0.s"
-/*0x012a*/ BYTE $0
-#line 88 "file0.s"
-/*0x012b*/ MOVL $0x1234567, AX
-#line 88 "file0.s"
-/*0x0130*/ BYTE $0
-#line 88 "file0.s"
-/*0x0131*/ BYTE $0
-#line 88 "file0.s"
-/*0x0132*/ BYTE $0
-#line 684 "file0.s"
-/*0x0133*/ BYTE $0
-#line 684 "file0.s"
-/*0x0134*/ BYTE $0
-#line 684 "file0.s"
-/*0x0135*/ BYTE $0
-#line 684 "file0.s"
-/*0x0136*/ BYTE $0
-#line 238 "file0.s"
-/*0x0137*/ BYTE $0
-#line 238 "file0.s"
-/*0x0138*/ BYTE $0
-#line 238 "file0.s"
-/*0x0139*/ PUSHQ AX
-#line 238 "file0.s"
-/*0x013a*/ BYTE $0
-#line 238 "file0.s"
-/*0x013b*/ BYTE $0
-#line 603 "file0.s"
-/*0x013c*/ BYTE $0
-#line 981 "file0.s"
-/*0x013d*/ BYTE $0
-#line 981 "file0.s"
-/*0x013e*/ POPQ AX
-#line 616 "file0.s"
-/*0x013f*/ BYTE $0
-#line 616 "file0.s"
-/*0x0140*/ BYTE $0
-#line 616 "file0.s"
-/*0x0141*/ BYTE $0
-#line 616 "file0.s"
-/*0x0142*/ BYTE $0
-#line 716 "file0.s"
-/*0x0143*/ MOVL $0x1234567, AX
-#line 716 "file0.s"
-/*0x0148*/ BYTE $0
-#line 716 "file0.s"
-/*0x0149*/ BYTE $0
-#line 34 "file0.s"
-/*0x014a*/ BYTE $0
-#line 34 "file0.s"
-/*0x014b*/ BYTE $0
-#line 34 "file0.s"
-/*0x014c*/ BYTE $0
-#line 90 "file0.s"
-/*0x014d*/ MOVL $0x1234567, AX
-#line 316 "file0.s"
-/*0x0152*/ MOVQ $0x123456789, AX
-#line 230 "file0.s"
-/*0x015c*/ MOVQ $0x123456789, AX
-#line 799 "file0.s"
-/*0x0166*/ MOVQ $0x123456789, AX
-#line 799 "file0.s"
-/*0x0170*/ BYTE $0
-#line 799 "file0.s"
-/*0x0171*/ BYTE $0
-/* */ PCDATA $1, $247
-#line 799 "file0.s"
-/*0x0172*/ BYTE $0
-#line 799 "file0.s"
-/*0x0173*/ BYTE $0
-#line 799 "file0.s"
-/*0x0174*/ BYTE $0
-#line 655 "file0.s"
-/*0x0175*/ MOVL $0x1234567, AX
-#line 655 "file0.s"
-/*0x017a*/ BYTE $0
-#line 551 "file0.s"
-/*0x017b*/ BYTE $0
-#line 551 "file0.s"
-/*0x017c*/ BYTE $0
-#line 271 "file0.s"
-/*0x017d*/ MOVQ $0x123456789, AX
-#line 271 "file0.s"
-/*0x0187*/ MOVQ $0x123456789, AX
-#line 271 "file0.s"
-/*0x0191*/ MOVL $0x1234567, AX
-#line 271 "file0.s"
-/*0x0196*/ BYTE $0
-#line 271 "file0.s"
-/*0x0197*/ BYTE $0
-#line 271 "file0.s"
-/*0x0198*/ BYTE $0
-#line 233 "file0.s"
-/*0x0199*/ MOVL $0x1234567, AX
-#line 233 "file0.s"
-/*0x019e*/ BYTE $0
-#line 233 "file0.s"
-/*0x019f*/ BYTE $0
-#line 233 "file0.s"
-/*0x01a0*/ BYTE $0
-#line 233 "file0.s"
-/*0x01a1*/ BYTE $0
-#line 738 "file0.s"
-/*0x01a2*/ MOVL $0x1234567, AX
-#line 738 "file0.s"
-/*0x01a7*/ BYTE $0
-#line 800 "file0.s"
-/*0x01a8*/ BYTE $0
-#line 800 "file0.s"
-/*0x01a9*/ BYTE $0
-#line 646 "file0.s"
-/*0x01aa*/ MOVQ $0x123456789, AX
-#line 646 "file0.s"
-/*0x01b4*/ BYTE $0
-#line 646 "file0.s"
-/*0x01b5*/ BYTE $0
-#line 646 "file0.s"
-/*0x01b6*/ BYTE $0
-#line 709 "file0.s"
-/*0x01b7*/ BYTE $0
-#line 709 "file0.s"
-/*0x01b8*/ BYTE $0
-#line 709 "file0.s"
-/*0x01b9*/ BYTE $0
-#line 709 "file0.s"
-/*0x01ba*/ BYTE $0
-#line 296 "file0.s"
-/*0x01bb*/ BYTE $0
-#line 296 "file0.s"
-/*0x01bc*/ BYTE $0
-#line 296 "file0.s"
-/*0x01bd*/ BYTE $0
-#line 71 "file0.s"
-/*0x01be*/ BYTE $0
-#line 71 "file0.s"
-/*0x01bf*/ BYTE $0
-#line 71 "file0.s"
-/*0x01c0*/ BYTE $0
-#line 7 "file2.s"
-/*0x01c1*/ BYTE $0
-#line 747 "file2.s"
-/*0x01c2*/ BYTE $0
-#line 177 "file2.s"
-/*0x01c3*/ MOVQ $0x123456789, AX
-#line 177 "file2.s"
-/*0x01cd*/ MOVQ $0x123456789, AX
-#line 177 "file2.s"
-/*0x01d7*/ MOVL $0x1234567, AX
-#line 177 "file2.s"
-/*0x01dc*/ BYTE $0
-#line 177 "file2.s"
-/*0x01dd*/ BYTE $0
-#line 177 "file2.s"
-/*0x01de*/ BYTE $0
-#line 72 "file2.s"
-/*0x01df*/ BYTE $0
-#line 215 "file2.s"
-/*0x01e0*/ MOVL $0x1234567, AX
-#line 215 "file2.s"
-/*0x01e5*/ BYTE $0
-#line 215 "file2.s"
-/*0x01e6*/ BYTE $0
-#line 215 "file2.s"
-/*0x01e7*/ BYTE $0
-#line 946 "file2.s"
-/*0x01e8*/ BYTE $0
-#line 946 "file2.s"
-/*0x01e9*/ BYTE $0
-#line 946 "file2.s"
-/*0x01ea*/ BYTE $0
-#line 946 "file2.s"
-/*0x01eb*/ BYTE $0
-#line 263 "file2.s"
-/*0x01ec*/ MOVL $0x1234567, AX
-#line 263 "file2.s"
-/*0x01f1*/ BYTE $0
-#line 897 "file2.s"
-/*0x01f2*/ MOVQ $0x123456789, AX
-#line 897 "file2.s"
-/*0x01fc*/ MOVQ $0x123456789, AX
-#line 897 "file2.s"
-/*0x0206*/ BYTE $0
-#line 897 "file2.s"
-/*0x0207*/ BYTE $0
-#line 897 "file2.s"
-/*0x0208*/ BYTE $0
-#line 229 "file2.s"
-/*0x0209*/ BYTE $0
-#line 229 "file2.s"
-/*0x020a*/ BYTE $0
-#line 229 "file2.s"
-/*0x020b*/ BYTE $0
-#line 229 "file2.s"
-/*0x020c*/ BYTE $0
-/* */ PCDATA $1, $7
-#line 229 "file2.s"
-/*0x020d*/ MOVL $0x1234567, AX
-#line 229 "file2.s"
-/*0x0212*/ BYTE $0
-#line 353 "file2.s"
-/*0x0213*/ BYTE $0
-#line 353 "file2.s"
-/*0x0214*/ BYTE $0
-#line 353 "file2.s"
-/*0x0215*/ BYTE $0
-#line 353 "file2.s"
-/*0x0216*/ BYTE $0
-#line 852 "file2.s"
-/*0x0217*/ BYTE $0
-#line 852 "file2.s"
-/*0x0218*/ BYTE $0
-#line 852 "file2.s"
-/*0x0219*/ BYTE $0
-#line 852 "file2.s"
-/*0x021a*/ BYTE $0
-#line 852 "file2.s"
-/*0x021b*/ PUSHQ AX
-#line 852 "file2.s"
-/*0x021c*/ BYTE $0
-#line 852 "file2.s"
-/*0x021d*/ BYTE $0
-#line 852 "file2.s"
-/*0x021e*/ BYTE $0
-#line 904 "file2.s"
-/*0x021f*/ MOVQ $0x123456789, AX
-#line 904 "file2.s"
-/*0x0229*/ BYTE $0
-#line 904 "file2.s"
-/*0x022a*/ BYTE $0
-#line 882 "file2.s"
-/*0x022b*/ BYTE $0
-#line 905 "file2.s"
-/*0x022c*/ BYTE $0
-#line 410 "file2.s"
-/*0x022d*/ MOVQ $0x123456789, AX
-#line 410 "file2.s"
-/*0x0237*/ BYTE $0
-#line 410 "file2.s"
-/*0x0238*/ BYTE $0
-#line 410 "file2.s"
-/*0x0239*/ POPQ AX
-#line 410 "file2.s"
-/*0x023a*/ BYTE $0
-#line 410 "file2.s"
-/*0x023b*/ BYTE $0
-#line 410 "file2.s"
-/*0x023c*/ BYTE $0
-/* */ PCDATA $2, $173
-#line 410 "file2.s"
-/*0x023d*/ MOVL $0x1234567, AX
-#line 410 "file2.s"
-/*0x0242*/ BYTE $0
-/* */ PCDATA $1, $396
-#line 410 "file2.s"
-/*0x0243*/ BYTE $0
-#line 410 "file2.s"
-/*0x0244*/ BYTE $0
-#line 666 "file2.s"
-/*0x0245*/ BYTE $0
-#line 129 "file2.s"
-/*0x0246*/ MOVQ $0x123456789, AX
-#line 129 "file2.s"
-/*0x0250*/ BYTE $0
-#line 391 "file2.s"
-/*0x0251*/ BYTE $0
-#line 696 "file2.s"
-/*0x0252*/ MOVL $0x1234567, AX
-#line 940 "file2.s"
-/*0x0257*/ BYTE $0
-#line 940 "file2.s"
-/*0x0258*/ BYTE $0
-#line 606 "file2.s"
-/*0x0259*/ MOVL $0x1234567, AX
-#line 606 "file2.s"
-/*0x025e*/ BYTE $0
-#line 648 "file2.s"
-/*0x025f*/ MOVQ $0x123456789, AX
-#line 648 "file2.s"
-/*0x0269*/ BYTE $0
-#line 648 "file2.s"
-/*0x026a*/ BYTE $0
-/* */ PCDATA $2, $84
-#line 648 "file2.s"
-/*0x026b*/ MOVQ $0x123456789, AX
-#line 648 "file2.s"
-/*0x0275*/ MOVQ $0x123456789, AX
-#line 648 "file2.s"
-/*0x027f*/ MOVQ $0x123456789, AX
-#line 648 "file2.s"
-/*0x0289*/ MOVQ $0x123456789, AX
-#line 648 "file2.s"
-/*0x0293*/ MOVQ $0x123456789, AX
-#line 648 "file2.s"
-/*0x029d*/ MOVL $0x1234567, AX
-#line 648 "file2.s"
-/*0x02a2*/ PUSHQ AX
-#line 648 "file2.s"
-/*0x02a3*/ MOVL $0x1234567, AX
-#line 648 "file2.s"
-/*0x02a8*/ BYTE $0
-#line 648 "file2.s"
-/*0x02a9*/ BYTE $0
-#line 648 "file2.s"
-/*0x02aa*/ BYTE $0
-#line 648 "file2.s"
-/*0x02ab*/ BYTE $0
-#line 449 "file2.s"
-/*0x02ac*/ MOVQ $0x123456789, AX
-#line 449 "file2.s"
-/*0x02b6*/ MOVL $0x1234567, AX
-#line 284 "file2.s"
-/*0x02bb*/ BYTE $0
-#line 284 "file2.s"
-/*0x02bc*/ BYTE $0
-#line 284 "file2.s"
-/*0x02bd*/ BYTE $0
-#line 284 "file2.s"
-/*0x02be*/ BYTE $0
-#line 26 "file2.s"
-/*0x02bf*/ MOVQ $0x123456789, AX
-#line 26 "file2.s"
-/*0x02c9*/ MOVL $0x1234567, AX
-#line 26 "file2.s"
-/*0x02ce*/ BYTE $0
-#line 26 "file2.s"
-/*0x02cf*/ BYTE $0
-#line 26 "file2.s"
-/*0x02d0*/ BYTE $0
-#line 605 "file2.s"
-/*0x02d1*/ MOVL $0x1234567, AX
-#line 605 "file2.s"
-/*0x02d6*/ BYTE $0
-#line 605 "file2.s"
-/*0x02d7*/ BYTE $0
-#line 605 "file2.s"
-/*0x02d8*/ BYTE $0
-#line 593 "file2.s"
-/*0x02d9*/ MOVL $0x1234567, AX
-#line 541 "file2.s"
-/*0x02de*/ MOVL $0x1234567, AX
-#line 541 "file2.s"
-/*0x02e3*/ BYTE $0
-#line 541 "file2.s"
-/*0x02e4*/ BYTE $0
-#line 181 "file2.s"
-/*0x02e5*/ MOVQ $0x123456789, AX
-#line 181 "file2.s"
-/*0x02ef*/ BYTE $0
-#line 907 "file2.s"
-/*0x02f0*/ MOVQ $0x123456789, AX
-#line 704 "file2.s"
-/*0x02fa*/ MOVQ $0x123456789, AX
-#line 704 "file2.s"
-/*0x0304*/ MOVQ $0x123456789, AX
-#line 704 "file2.s"
-/*0x030e*/ MOVL $0x1234567, AX
-#line 704 "file2.s"
-/*0x0313*/ BYTE $0
-#line 704 "file2.s"
-/*0x0314*/ BYTE $0
-#line 704 "file2.s"
-/*0x0315*/ BYTE $0
-#line 704 "file2.s"
-/*0x0316*/ BYTE $0
-#line 859 "file2.s"
-/*0x0317*/ MOVL $0x1234567, AX
-#line 407 "file2.s"
-/*0x031c*/ BYTE $0
-#line 407 "file2.s"
-/*0x031d*/ BYTE $0
-/* */ PCDATA $2, $569
-#line 407 "file2.s"
-/*0x031e*/ MOVL $0x1234567, AX
-#line 407 "file2.s"
-/*0x0323*/ BYTE $0
-#line 407 "file2.s"
-/*0x0324*/ BYTE $0
-#line 407 "file2.s"
-/*0x0325*/ BYTE $0
-/* */ PCDATA $1, $937
-#line 407 "file2.s"
-/*0x0326*/ MOVL $0x1234567, AX
-#line 407 "file2.s"
-/*0x032b*/ BYTE $0
-#line 774 "file2.s"
-/*0x032c*/ MOVQ $0x123456789, AX
-#line 774 "file2.s"
-/*0x0336*/ BYTE $0
-#line 547 "file2.s"
-/*0x0337*/ BYTE $0
-#line 547 "file2.s"
-/*0x0338*/ BYTE $0
-#line 547 "file2.s"
-/*0x0339*/ BYTE $0
-#line 547 "file2.s"
-/*0x033a*/ PUSHQ AX
-#line 547 "file2.s"
-/*0x033b*/ MOVL $0x1234567, AX
-#line 427 "file2.s"
-/*0x0340*/ MOVL $0x1234567, AX
-/* */ PCDATA $1, $462
-#line 427 "file2.s"
-/*0x0345*/ MOVQ $0x123456789, AX
-#line 427 "file2.s"
-/*0x034f*/ MOVL $0x1234567, AX
-#line 427 "file2.s"
-/*0x0354*/ BYTE $0
-#line 427 "file2.s"
-/*0x0355*/ BYTE $0
-#line 427 "file2.s"
-/*0x0356*/ BYTE $0
-#line 427 "file2.s"
-/*0x0357*/ BYTE $0
-/* */ PCDATA $2, $303
-#line 427 "file2.s"
-/*0x0358*/ MOVQ $0x123456789, AX
-#line 427 "file2.s"
-/*0x0362*/ BYTE $0
-#line 427 "file2.s"
-/*0x0363*/ BYTE $0
-#line 708 "file2.s"
-/*0x0364*/ BYTE $0
-#line 708 "file2.s"
-/*0x0365*/ BYTE $0
-#line 708 "file2.s"
-/*0x0366*/ BYTE $0
-#line 708 "file2.s"
-/*0x0367*/ BYTE $0
-#line 218 "file2.s"
-/*0x0368*/ MOVL $0x1234567, AX
-#line 44 "file2.s"
-/*0x036d*/ BYTE $0
-#line 915 "file2.s"
-/*0x036e*/ BYTE $0
-#line 915 "file2.s"
-/*0x036f*/ BYTE $0
-#line 915 "file2.s"
-/*0x0370*/ BYTE $0
-#line 915 "file2.s"
-/*0x0371*/ BYTE $0
-#line 122 "file2.s"
-/*0x0372*/ MOVQ $0x123456789, AX
-#line 122 "file2.s"
-/*0x037c*/ MOVL $0x1234567, AX
-#line 122 "file2.s"
-/*0x0381*/ BYTE $0
-#line 122 "file2.s"
-/*0x0382*/ BYTE $0
-#line 266 "file2.s"
-/*0x0383*/ BYTE $0
-#line 266 "file2.s"
-/*0x0384*/ BYTE $0
-#line 368 "file2.s"
-/*0x0385*/ BYTE $0
-#line 368 "file2.s"
-/*0x0386*/ BYTE $0
-#line 368 "file2.s"
-/*0x0387*/ BYTE $0
-#line 368 "file2.s"
-/*0x0388*/ BYTE $0
-#line 775 "file2.s"
-/*0x0389*/ BYTE $0
-#line 10 "file8.s"
-/*0x038a*/ BYTE $0
-#line 10 "file8.s"
-/*0x038b*/ BYTE $0
-#line 422 "file8.s"
-/*0x038c*/ MOVL $0x1234567, AX
-#line 422 "file8.s"
-/*0x0391*/ BYTE $0
-#line 613 "file8.s"
-/*0x0392*/ BYTE $0
-#line 613 "file8.s"
-/*0x0393*/ BYTE $0
-#line 613 "file8.s"
-/*0x0394*/ BYTE $0
-#line 697 "file8.s"
-/*0x0395*/ MOVQ $0x123456789, AX
-#line 697 "file8.s"
-/*0x039f*/ MOVQ $0x123456789, AX
-#line 697 "file8.s"
-/*0x03a9*/ BYTE $0
-#line 697 "file8.s"
-/*0x03aa*/ BYTE $0
-#line 697 "file8.s"
-/*0x03ab*/ BYTE $0
- POPQ AX
- POPQ AX
- POPQ AX
- RET
-
-GLOBL funcdata2(SB), $16
-
-TEXT start(SB),7,$0
- CALL func0(SB)
- CALL func1(SB)
- CALL func2(SB)
- MOVQ $runtime·pclntab(SB), AX
-
- RET
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package main
-
-// round returns size rounded up to the next multiple of align;
-// align must be a power of two.
-func round(size, align Addr) Addr {
- return (size + align - 1) &^ (align - 1)
-}
+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Writing of executable and (for hostlink mode) object files.
-
-package main
-
-import "io"
-
-func (p *Prog) write(w io.Writer) {
- p.Entry = p.Syms[p.startSym].Addr
- p.formatter.write(w, p)
-}