mirror of
https://github.com/beego/bee.git
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Update vendor folder (Delve support)
This commit is contained in:
Faissal Elamraoui
146
vendor/golang.org/x/debug/macho/fat.go
generated
vendored
Normal file
146
vendor/golang.org/x/debug/macho/fat.go
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vendored
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@ -0,0 +1,146 @@
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// Copyright 2014 The Go Authors. All rights reserved.
|
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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|
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package macho
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import (
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"encoding/binary"
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"fmt"
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"io"
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||||
"os"
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)
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||||
|
||||
// A FatFile is a Mach-O universal binary that contains at least one architecture.
|
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type FatFile struct {
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Magic uint32
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Arches []FatArch
|
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closer io.Closer
|
||||
}
|
||||
|
||||
// A FatArchHeader represents a fat header for a specific image architecture.
|
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type FatArchHeader struct {
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Cpu Cpu
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SubCpu uint32
|
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Offset uint32
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Size uint32
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Align uint32
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}
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|
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const fatArchHeaderSize = 5 * 4
|
||||
|
||||
// A FatArch is a Mach-O File inside a FatFile.
|
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type FatArch struct {
|
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FatArchHeader
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*File
|
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}
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||||
|
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// ErrNotFat is returned from NewFatFile or OpenFat when the file is not a
|
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// universal binary but may be a thin binary, based on its magic number.
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var ErrNotFat = &FormatError{0, "not a fat Mach-O file", nil}
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||||
|
||||
// NewFatFile creates a new FatFile for accessing all the Mach-O images in a
|
||||
// universal binary. The Mach-O binary is expected to start at position 0 in
|
||||
// the ReaderAt.
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func NewFatFile(r io.ReaderAt) (*FatFile, error) {
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var ff FatFile
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sr := io.NewSectionReader(r, 0, 1<<63-1)
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// Read the fat_header struct, which is always in big endian.
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// Start with the magic number.
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err := binary.Read(sr, binary.BigEndian, &ff.Magic)
|
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if err != nil {
|
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return nil, &FormatError{0, "error reading magic number", nil}
|
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} else if ff.Magic != MagicFat {
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// See if this is a Mach-O file via its magic number. The magic
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// must be converted to little endian first though.
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var buf [4]byte
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binary.BigEndian.PutUint32(buf[:], ff.Magic)
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leMagic := binary.LittleEndian.Uint32(buf[:])
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if leMagic == Magic32 || leMagic == Magic64 {
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return nil, ErrNotFat
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} else {
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return nil, &FormatError{0, "invalid magic number", nil}
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}
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}
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offset := int64(4)
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// Read the number of FatArchHeaders that come after the fat_header.
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var narch uint32
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err = binary.Read(sr, binary.BigEndian, &narch)
|
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if err != nil {
|
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return nil, &FormatError{offset, "invalid fat_header", nil}
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}
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offset += 4
|
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|
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if narch < 1 {
|
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return nil, &FormatError{offset, "file contains no images", nil}
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}
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// Combine the Cpu and SubCpu (both uint32) into a uint64 to make sure
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// there are not duplicate architectures.
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seenArches := make(map[uint64]bool, narch)
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// Make sure that all images are for the same MH_ type.
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var machoType Type
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// Following the fat_header comes narch fat_arch structs that index
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// Mach-O images further in the file.
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ff.Arches = make([]FatArch, narch)
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for i := uint32(0); i < narch; i++ {
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fa := &ff.Arches[i]
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err = binary.Read(sr, binary.BigEndian, &fa.FatArchHeader)
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if err != nil {
|
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return nil, &FormatError{offset, "invalid fat_arch header", nil}
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}
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offset += fatArchHeaderSize
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fr := io.NewSectionReader(r, int64(fa.Offset), int64(fa.Size))
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fa.File, err = NewFile(fr)
|
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if err != nil {
|
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return nil, err
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}
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|
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// Make sure the architecture for this image is not duplicate.
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seenArch := (uint64(fa.Cpu) << 32) | uint64(fa.SubCpu)
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if o, k := seenArches[seenArch]; o || k {
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return nil, &FormatError{offset, fmt.Sprintf("duplicate architecture cpu=%v, subcpu=%#x", fa.Cpu, fa.SubCpu), nil}
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}
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seenArches[seenArch] = true
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// Make sure the Mach-O type matches that of the first image.
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if i == 0 {
|
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machoType = fa.Type
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} else {
|
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if fa.Type != machoType {
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return nil, &FormatError{offset, fmt.Sprintf("Mach-O type for architecture #%d (type=%#x) does not match first (type=%#x)", i, fa.Type, machoType), nil}
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}
|
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}
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}
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return &ff, nil
|
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}
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// OpenFat opens the named file using os.Open and prepares it for use as a Mach-O
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// universal binary.
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func OpenFat(name string) (ff *FatFile, err error) {
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f, err := os.Open(name)
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if err != nil {
|
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return nil, err
|
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}
|
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ff, err = NewFatFile(f)
|
||||
if err != nil {
|
||||
f.Close()
|
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return nil, err
|
||||
}
|
||||
ff.closer = f
|
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return
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}
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|
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func (ff *FatFile) Close() error {
|
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var err error
|
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if ff.closer != nil {
|
||||
err = ff.closer.Close()
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ff.closer = nil
|
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}
|
||||
return err
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}
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525
vendor/golang.org/x/debug/macho/file.go
generated
vendored
Normal file
525
vendor/golang.org/x/debug/macho/file.go
generated
vendored
Normal file
@ -0,0 +1,525 @@
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||||
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package macho implements access to Mach-O object files.
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package macho
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// High level access to low level data structures.
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import (
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"bytes"
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"encoding/binary"
|
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"fmt"
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"io"
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"os"
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"golang.org/x/debug/dwarf"
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)
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|
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// A File represents an open Mach-O file.
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type File struct {
|
||||
FileHeader
|
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ByteOrder binary.ByteOrder
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Loads []Load
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||||
Sections []*Section
|
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|
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Symtab *Symtab
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Dysymtab *Dysymtab
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|
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closer io.Closer
|
||||
}
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||||
|
||||
// A Load represents any Mach-O load command.
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type Load interface {
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Raw() []byte
|
||||
}
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||||
|
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// A LoadBytes is the uninterpreted bytes of a Mach-O load command.
|
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type LoadBytes []byte
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func (b LoadBytes) Raw() []byte { return b }
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|
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// A SegmentHeader is the header for a Mach-O 32-bit or 64-bit load segment command.
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type SegmentHeader struct {
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Cmd LoadCmd
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Len uint32
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Name string
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Addr uint64
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||||
Memsz uint64
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||||
Offset uint64
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||||
Filesz uint64
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||||
Maxprot uint32
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||||
Prot uint32
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||||
Nsect uint32
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||||
Flag uint32
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||||
}
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||||
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// A Segment represents a Mach-O 32-bit or 64-bit load segment command.
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type Segment struct {
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LoadBytes
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||||
SegmentHeader
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||||
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||||
// Embed ReaderAt for ReadAt method.
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||||
// Do not embed SectionReader directly
|
||||
// to avoid having Read and Seek.
|
||||
// If a client wants Read and Seek it must use
|
||||
// Open() to avoid fighting over the seek offset
|
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// with other clients.
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||||
io.ReaderAt
|
||||
sr *io.SectionReader
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||||
}
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||||
|
||||
// Data reads and returns the contents of the segment.
|
||||
func (s *Segment) Data() ([]byte, error) {
|
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dat := make([]byte, s.sr.Size())
|
||||
n, err := s.sr.ReadAt(dat, 0)
|
||||
if n == len(dat) {
|
||||
err = nil
|
||||
}
|
||||
return dat[0:n], err
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||||
}
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||||
|
||||
// Open returns a new ReadSeeker reading the segment.
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func (s *Segment) Open() io.ReadSeeker { return io.NewSectionReader(s.sr, 0, 1<<63-1) }
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||||
|
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type SectionHeader struct {
|
||||
Name string
|
||||
Seg string
|
||||
Addr uint64
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||||
Size uint64
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||||
Offset uint32
|
||||
Align uint32
|
||||
Reloff uint32
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||||
Nreloc uint32
|
||||
Flags uint32
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||||
}
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||||
|
||||
type Section struct {
|
||||
SectionHeader
|
||||
|
||||
// Embed ReaderAt for ReadAt method.
|
||||
// Do not embed SectionReader directly
|
||||
// to avoid having Read and Seek.
|
||||
// If a client wants Read and Seek it must use
|
||||
// Open() to avoid fighting over the seek offset
|
||||
// with other clients.
|
||||
io.ReaderAt
|
||||
sr *io.SectionReader
|
||||
}
|
||||
|
||||
// Data reads and returns the contents of the Mach-O section.
|
||||
func (s *Section) Data() ([]byte, error) {
|
||||
dat := make([]byte, s.sr.Size())
|
||||
n, err := s.sr.ReadAt(dat, 0)
|
||||
if n == len(dat) {
|
||||
err = nil
|
||||
}
|
||||
return dat[0:n], err
|
||||
}
|
||||
|
||||
// Open returns a new ReadSeeker reading the Mach-O section.
|
||||
func (s *Section) Open() io.ReadSeeker { return io.NewSectionReader(s.sr, 0, 1<<63-1) }
|
||||
|
||||
// A Dylib represents a Mach-O load dynamic library command.
|
||||
type Dylib struct {
|
||||
LoadBytes
|
||||
Name string
|
||||
Time uint32
|
||||
CurrentVersion uint32
|
||||
CompatVersion uint32
|
||||
}
|
||||
|
||||
// A Symtab represents a Mach-O symbol table command.
|
||||
type Symtab struct {
|
||||
LoadBytes
|
||||
SymtabCmd
|
||||
Syms []Symbol
|
||||
}
|
||||
|
||||
// A Dysymtab represents a Mach-O dynamic symbol table command.
|
||||
type Dysymtab struct {
|
||||
LoadBytes
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||||
DysymtabCmd
|
||||
IndirectSyms []uint32 // indices into Symtab.Syms
|
||||
}
|
||||
|
||||
/*
|
||||
* Mach-O reader
|
||||
*/
|
||||
|
||||
// FormatError is returned by some operations if the data does
|
||||
// not have the correct format for an object file.
|
||||
type FormatError struct {
|
||||
off int64
|
||||
msg string
|
||||
val interface{}
|
||||
}
|
||||
|
||||
func (e *FormatError) Error() string {
|
||||
msg := e.msg
|
||||
if e.val != nil {
|
||||
msg += fmt.Sprintf(" '%v'", e.val)
|
||||
}
|
||||
msg += fmt.Sprintf(" in record at byte %#x", e.off)
|
||||
return msg
|
||||
}
|
||||
|
||||
// Open opens the named file using os.Open and prepares it for use as a Mach-O binary.
|
||||
func Open(name string) (*File, error) {
|
||||
f, err := os.Open(name)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
ff, err := NewFile(f)
|
||||
if err != nil {
|
||||
f.Close()
|
||||
return nil, err
|
||||
}
|
||||
ff.closer = f
|
||||
return ff, nil
|
||||
}
|
||||
|
||||
// Close closes the File.
|
||||
// If the File was created using NewFile directly instead of Open,
|
||||
// Close has no effect.
|
||||
func (f *File) Close() error {
|
||||
var err error
|
||||
if f.closer != nil {
|
||||
err = f.closer.Close()
|
||||
f.closer = nil
|
||||
}
|
||||
return err
|
||||
}
|
||||
|
||||
// NewFile creates a new File for accessing a Mach-O binary in an underlying reader.
|
||||
// The Mach-O binary is expected to start at position 0 in the ReaderAt.
|
||||
func NewFile(r io.ReaderAt) (*File, error) {
|
||||
f := new(File)
|
||||
sr := io.NewSectionReader(r, 0, 1<<63-1)
|
||||
|
||||
// Read and decode Mach magic to determine byte order, size.
|
||||
// Magic32 and Magic64 differ only in the bottom bit.
|
||||
var ident [4]byte
|
||||
if _, err := r.ReadAt(ident[0:], 0); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
be := binary.BigEndian.Uint32(ident[0:])
|
||||
le := binary.LittleEndian.Uint32(ident[0:])
|
||||
switch Magic32 &^ 1 {
|
||||
case be &^ 1:
|
||||
f.ByteOrder = binary.BigEndian
|
||||
f.Magic = be
|
||||
case le &^ 1:
|
||||
f.ByteOrder = binary.LittleEndian
|
||||
f.Magic = le
|
||||
default:
|
||||
return nil, &FormatError{0, "invalid magic number", nil}
|
||||
}
|
||||
|
||||
// Read entire file header.
|
||||
if err := binary.Read(sr, f.ByteOrder, &f.FileHeader); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Then load commands.
|
||||
offset := int64(fileHeaderSize32)
|
||||
if f.Magic == Magic64 {
|
||||
offset = fileHeaderSize64
|
||||
}
|
||||
dat := make([]byte, f.Cmdsz)
|
||||
if _, err := r.ReadAt(dat, offset); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
f.Loads = make([]Load, f.Ncmd)
|
||||
bo := f.ByteOrder
|
||||
for i := range f.Loads {
|
||||
// Each load command begins with uint32 command and length.
|
||||
if len(dat) < 8 {
|
||||
return nil, &FormatError{offset, "command block too small", nil}
|
||||
}
|
||||
cmd, siz := LoadCmd(bo.Uint32(dat[0:4])), bo.Uint32(dat[4:8])
|
||||
if siz < 8 || siz > uint32(len(dat)) {
|
||||
return nil, &FormatError{offset, "invalid command block size", nil}
|
||||
}
|
||||
var cmddat []byte
|
||||
cmddat, dat = dat[0:siz], dat[siz:]
|
||||
offset += int64(siz)
|
||||
var s *Segment
|
||||
switch cmd {
|
||||
default:
|
||||
f.Loads[i] = LoadBytes(cmddat)
|
||||
|
||||
case LoadCmdDylib:
|
||||
var hdr DylibCmd
|
||||
b := bytes.NewReader(cmddat)
|
||||
if err := binary.Read(b, bo, &hdr); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
l := new(Dylib)
|
||||
if hdr.Name >= uint32(len(cmddat)) {
|
||||
return nil, &FormatError{offset, "invalid name in dynamic library command", hdr.Name}
|
||||
}
|
||||
l.Name = cstring(cmddat[hdr.Name:])
|
||||
l.Time = hdr.Time
|
||||
l.CurrentVersion = hdr.CurrentVersion
|
||||
l.CompatVersion = hdr.CompatVersion
|
||||
l.LoadBytes = LoadBytes(cmddat)
|
||||
f.Loads[i] = l
|
||||
|
||||
case LoadCmdSymtab:
|
||||
var hdr SymtabCmd
|
||||
b := bytes.NewReader(cmddat)
|
||||
if err := binary.Read(b, bo, &hdr); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
strtab := make([]byte, hdr.Strsize)
|
||||
if _, err := r.ReadAt(strtab, int64(hdr.Stroff)); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
var symsz int
|
||||
if f.Magic == Magic64 {
|
||||
symsz = 16
|
||||
} else {
|
||||
symsz = 12
|
||||
}
|
||||
symdat := make([]byte, int(hdr.Nsyms)*symsz)
|
||||
if _, err := r.ReadAt(symdat, int64(hdr.Symoff)); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
st, err := f.parseSymtab(symdat, strtab, cmddat, &hdr, offset)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
f.Loads[i] = st
|
||||
f.Symtab = st
|
||||
|
||||
case LoadCmdDysymtab:
|
||||
var hdr DysymtabCmd
|
||||
b := bytes.NewReader(cmddat)
|
||||
if err := binary.Read(b, bo, &hdr); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
dat := make([]byte, hdr.Nindirectsyms*4)
|
||||
if _, err := r.ReadAt(dat, int64(hdr.Indirectsymoff)); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
x := make([]uint32, hdr.Nindirectsyms)
|
||||
if err := binary.Read(bytes.NewReader(dat), bo, x); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
st := new(Dysymtab)
|
||||
st.LoadBytes = LoadBytes(cmddat)
|
||||
st.DysymtabCmd = hdr
|
||||
st.IndirectSyms = x
|
||||
f.Loads[i] = st
|
||||
f.Dysymtab = st
|
||||
|
||||
case LoadCmdSegment:
|
||||
var seg32 Segment32
|
||||
b := bytes.NewReader(cmddat)
|
||||
if err := binary.Read(b, bo, &seg32); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
s = new(Segment)
|
||||
s.LoadBytes = cmddat
|
||||
s.Cmd = cmd
|
||||
s.Len = siz
|
||||
s.Name = cstring(seg32.Name[0:])
|
||||
s.Addr = uint64(seg32.Addr)
|
||||
s.Memsz = uint64(seg32.Memsz)
|
||||
s.Offset = uint64(seg32.Offset)
|
||||
s.Filesz = uint64(seg32.Filesz)
|
||||
s.Maxprot = seg32.Maxprot
|
||||
s.Prot = seg32.Prot
|
||||
s.Nsect = seg32.Nsect
|
||||
s.Flag = seg32.Flag
|
||||
f.Loads[i] = s
|
||||
for i := 0; i < int(s.Nsect); i++ {
|
||||
var sh32 Section32
|
||||
if err := binary.Read(b, bo, &sh32); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
sh := new(Section)
|
||||
sh.Name = cstring(sh32.Name[0:])
|
||||
sh.Seg = cstring(sh32.Seg[0:])
|
||||
sh.Addr = uint64(sh32.Addr)
|
||||
sh.Size = uint64(sh32.Size)
|
||||
sh.Offset = sh32.Offset
|
||||
sh.Align = sh32.Align
|
||||
sh.Reloff = sh32.Reloff
|
||||
sh.Nreloc = sh32.Nreloc
|
||||
sh.Flags = sh32.Flags
|
||||
f.pushSection(sh, r)
|
||||
}
|
||||
|
||||
case LoadCmdSegment64:
|
||||
var seg64 Segment64
|
||||
b := bytes.NewReader(cmddat)
|
||||
if err := binary.Read(b, bo, &seg64); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
s = new(Segment)
|
||||
s.LoadBytes = cmddat
|
||||
s.Cmd = cmd
|
||||
s.Len = siz
|
||||
s.Name = cstring(seg64.Name[0:])
|
||||
s.Addr = seg64.Addr
|
||||
s.Memsz = seg64.Memsz
|
||||
s.Offset = seg64.Offset
|
||||
s.Filesz = seg64.Filesz
|
||||
s.Maxprot = seg64.Maxprot
|
||||
s.Prot = seg64.Prot
|
||||
s.Nsect = seg64.Nsect
|
||||
s.Flag = seg64.Flag
|
||||
f.Loads[i] = s
|
||||
for i := 0; i < int(s.Nsect); i++ {
|
||||
var sh64 Section64
|
||||
if err := binary.Read(b, bo, &sh64); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
sh := new(Section)
|
||||
sh.Name = cstring(sh64.Name[0:])
|
||||
sh.Seg = cstring(sh64.Seg[0:])
|
||||
sh.Addr = sh64.Addr
|
||||
sh.Size = sh64.Size
|
||||
sh.Offset = sh64.Offset
|
||||
sh.Align = sh64.Align
|
||||
sh.Reloff = sh64.Reloff
|
||||
sh.Nreloc = sh64.Nreloc
|
||||
sh.Flags = sh64.Flags
|
||||
f.pushSection(sh, r)
|
||||
}
|
||||
}
|
||||
if s != nil {
|
||||
s.sr = io.NewSectionReader(r, int64(s.Offset), int64(s.Filesz))
|
||||
s.ReaderAt = s.sr
|
||||
}
|
||||
}
|
||||
return f, nil
|
||||
}
|
||||
|
||||
func (f *File) parseSymtab(symdat, strtab, cmddat []byte, hdr *SymtabCmd, offset int64) (*Symtab, error) {
|
||||
bo := f.ByteOrder
|
||||
symtab := make([]Symbol, hdr.Nsyms)
|
||||
b := bytes.NewReader(symdat)
|
||||
for i := range symtab {
|
||||
var n Nlist64
|
||||
if f.Magic == Magic64 {
|
||||
if err := binary.Read(b, bo, &n); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
} else {
|
||||
var n32 Nlist32
|
||||
if err := binary.Read(b, bo, &n32); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
n.Name = n32.Name
|
||||
n.Type = n32.Type
|
||||
n.Sect = n32.Sect
|
||||
n.Desc = n32.Desc
|
||||
n.Value = uint64(n32.Value)
|
||||
}
|
||||
sym := &symtab[i]
|
||||
if n.Name >= uint32(len(strtab)) {
|
||||
return nil, &FormatError{offset, "invalid name in symbol table", n.Name}
|
||||
}
|
||||
sym.Name = cstring(strtab[n.Name:])
|
||||
sym.Type = n.Type
|
||||
sym.Sect = n.Sect
|
||||
sym.Desc = n.Desc
|
||||
sym.Value = n.Value
|
||||
}
|
||||
st := new(Symtab)
|
||||
st.LoadBytes = LoadBytes(cmddat)
|
||||
st.Syms = symtab
|
||||
return st, nil
|
||||
}
|
||||
|
||||
func (f *File) pushSection(sh *Section, r io.ReaderAt) {
|
||||
f.Sections = append(f.Sections, sh)
|
||||
sh.sr = io.NewSectionReader(r, int64(sh.Offset), int64(sh.Size))
|
||||
sh.ReaderAt = sh.sr
|
||||
}
|
||||
|
||||
func cstring(b []byte) string {
|
||||
var i int
|
||||
for i = 0; i < len(b) && b[i] != 0; i++ {
|
||||
}
|
||||
return string(b[0:i])
|
||||
}
|
||||
|
||||
// Segment returns the first Segment with the given name, or nil if no such segment exists.
|
||||
func (f *File) Segment(name string) *Segment {
|
||||
for _, l := range f.Loads {
|
||||
if s, ok := l.(*Segment); ok && s.Name == name {
|
||||
return s
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Section returns the first section with the given name, or nil if no such
|
||||
// section exists.
|
||||
func (f *File) Section(name string) *Section {
|
||||
for _, s := range f.Sections {
|
||||
if s.Name == name {
|
||||
return s
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// DWARF returns the DWARF debug information for the Mach-O file.
|
||||
func (f *File) DWARF() (*dwarf.Data, error) {
|
||||
// There are many other DWARF sections, but these
|
||||
// are the required ones, and the debug/dwarf package
|
||||
// does not use the others, so don't bother loading them.
|
||||
var names = [...]string{"abbrev", "frame", "info", "line", "str"}
|
||||
var dat [len(names)][]byte
|
||||
for i, name := range names {
|
||||
name = "__debug_" + name
|
||||
s := f.Section(name)
|
||||
if s == nil {
|
||||
continue
|
||||
}
|
||||
b, err := s.Data()
|
||||
if err != nil && uint64(len(b)) < s.Size {
|
||||
return nil, err
|
||||
}
|
||||
dat[i] = b
|
||||
}
|
||||
|
||||
abbrev, frame, info, line, str := dat[0], dat[1], dat[2], dat[3], dat[4]
|
||||
return dwarf.New(abbrev, nil, frame, info, line, nil, nil, str)
|
||||
}
|
||||
|
||||
// ImportedSymbols returns the names of all symbols
|
||||
// referred to by the binary f that are expected to be
|
||||
// satisfied by other libraries at dynamic load time.
|
||||
func (f *File) ImportedSymbols() ([]string, error) {
|
||||
if f.Dysymtab == nil || f.Symtab == nil {
|
||||
return nil, &FormatError{0, "missing symbol table", nil}
|
||||
}
|
||||
|
||||
st := f.Symtab
|
||||
dt := f.Dysymtab
|
||||
var all []string
|
||||
for _, s := range st.Syms[dt.Iundefsym : dt.Iundefsym+dt.Nundefsym] {
|
||||
all = append(all, s.Name)
|
||||
}
|
||||
return all, nil
|
||||
}
|
||||
|
||||
// ImportedLibraries returns the paths of all libraries
|
||||
// referred to by the binary f that are expected to be
|
||||
// linked with the binary at dynamic link time.
|
||||
func (f *File) ImportedLibraries() ([]string, error) {
|
||||
var all []string
|
||||
for _, l := range f.Loads {
|
||||
if lib, ok := l.(*Dylib); ok {
|
||||
all = append(all, lib.Name)
|
||||
}
|
||||
}
|
||||
return all, nil
|
||||
}
|
||||
316
vendor/golang.org/x/debug/macho/macho.go
generated
vendored
Normal file
316
vendor/golang.org/x/debug/macho/macho.go
generated
vendored
Normal file
@ -0,0 +1,316 @@
|
||||
// Copyright 2009 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 header data structures
|
||||
// http://developer.apple.com/mac/library/documentation/DeveloperTools/Conceptual/MachORuntime/Reference/reference.html
|
||||
|
||||
package macho
|
||||
|
||||
import "strconv"
|
||||
|
||||
// A FileHeader represents a Mach-O file header.
|
||||
type FileHeader struct {
|
||||
Magic uint32
|
||||
Cpu Cpu
|
||||
SubCpu uint32
|
||||
Type Type
|
||||
Ncmd uint32
|
||||
Cmdsz uint32
|
||||
Flags uint32
|
||||
}
|
||||
|
||||
const (
|
||||
fileHeaderSize32 = 7 * 4
|
||||
fileHeaderSize64 = 8 * 4
|
||||
)
|
||||
|
||||
const (
|
||||
Magic32 uint32 = 0xfeedface
|
||||
Magic64 uint32 = 0xfeedfacf
|
||||
MagicFat uint32 = 0xcafebabe
|
||||
)
|
||||
|
||||
// A Type is the Mach-O file type, e.g. an object file, executable, or dynamic library.
|
||||
type Type uint32
|
||||
|
||||
const (
|
||||
TypeObj Type = 1
|
||||
TypeExec Type = 2
|
||||
TypeDylib Type = 6
|
||||
TypeBundle Type = 8
|
||||
)
|
||||
|
||||
// A Cpu is a Mach-O cpu type.
|
||||
type Cpu uint32
|
||||
|
||||
const cpuArch64 = 0x01000000
|
||||
|
||||
const (
|
||||
Cpu386 Cpu = 7
|
||||
CpuAmd64 Cpu = Cpu386 | cpuArch64
|
||||
CpuArm Cpu = 12
|
||||
CpuPpc Cpu = 18
|
||||
CpuPpc64 Cpu = CpuPpc | cpuArch64
|
||||
)
|
||||
|
||||
var cpuStrings = []intName{
|
||||
{uint32(Cpu386), "Cpu386"},
|
||||
{uint32(CpuAmd64), "CpuAmd64"},
|
||||
{uint32(CpuArm), "CpuArm"},
|
||||
{uint32(CpuPpc), "CpuPpc"},
|
||||
{uint32(CpuPpc64), "CpuPpc64"},
|
||||
}
|
||||
|
||||
func (i Cpu) String() string { return stringName(uint32(i), cpuStrings, false) }
|
||||
func (i Cpu) GoString() string { return stringName(uint32(i), cpuStrings, true) }
|
||||
|
||||
// A LoadCmd is a Mach-O load command.
|
||||
type LoadCmd uint32
|
||||
|
||||
const (
|
||||
LoadCmdSegment LoadCmd = 1
|
||||
LoadCmdSymtab LoadCmd = 2
|
||||
LoadCmdThread LoadCmd = 4
|
||||
LoadCmdUnixThread LoadCmd = 5 // thread+stack
|
||||
LoadCmdDysymtab LoadCmd = 11
|
||||
LoadCmdDylib LoadCmd = 12
|
||||
LoadCmdDylinker LoadCmd = 15
|
||||
LoadCmdSegment64 LoadCmd = 25
|
||||
)
|
||||
|
||||
var cmdStrings = []intName{
|
||||
{uint32(LoadCmdSegment), "LoadCmdSegment"},
|
||||
{uint32(LoadCmdThread), "LoadCmdThread"},
|
||||
{uint32(LoadCmdUnixThread), "LoadCmdUnixThread"},
|
||||
{uint32(LoadCmdDylib), "LoadCmdDylib"},
|
||||
{uint32(LoadCmdSegment64), "LoadCmdSegment64"},
|
||||
}
|
||||
|
||||
func (i LoadCmd) String() string { return stringName(uint32(i), cmdStrings, false) }
|
||||
func (i LoadCmd) GoString() string { return stringName(uint32(i), cmdStrings, true) }
|
||||
|
||||
// A Segment64 is a 64-bit Mach-O segment load command.
|
||||
type Segment64 struct {
|
||||
Cmd LoadCmd
|
||||
Len uint32
|
||||
Name [16]byte
|
||||
Addr uint64
|
||||
Memsz uint64
|
||||
Offset uint64
|
||||
Filesz uint64
|
||||
Maxprot uint32
|
||||
Prot uint32
|
||||
Nsect uint32
|
||||
Flag uint32
|
||||
}
|
||||
|
||||
// A Segment32 is a 32-bit Mach-O segment load command.
|
||||
type Segment32 struct {
|
||||
Cmd LoadCmd
|
||||
Len uint32
|
||||
Name [16]byte
|
||||
Addr uint32
|
||||
Memsz uint32
|
||||
Offset uint32
|
||||
Filesz uint32
|
||||
Maxprot uint32
|
||||
Prot uint32
|
||||
Nsect uint32
|
||||
Flag uint32
|
||||
}
|
||||
|
||||
// A DylibCmd is a Mach-O load dynamic library command.
|
||||
type DylibCmd struct {
|
||||
Cmd LoadCmd
|
||||
Len uint32
|
||||
Name uint32
|
||||
Time uint32
|
||||
CurrentVersion uint32
|
||||
CompatVersion uint32
|
||||
}
|
||||
|
||||
// A Section32 is a 32-bit Mach-O section header.
|
||||
type Section32 struct {
|
||||
Name [16]byte
|
||||
Seg [16]byte
|
||||
Addr uint32
|
||||
Size uint32
|
||||
Offset uint32
|
||||
Align uint32
|
||||
Reloff uint32
|
||||
Nreloc uint32
|
||||
Flags uint32
|
||||
Reserve1 uint32
|
||||
Reserve2 uint32
|
||||
}
|
||||
|
||||
// A Section32 is a 64-bit Mach-O section header.
|
||||
type Section64 struct {
|
||||
Name [16]byte
|
||||
Seg [16]byte
|
||||
Addr uint64
|
||||
Size uint64
|
||||
Offset uint32
|
||||
Align uint32
|
||||
Reloff uint32
|
||||
Nreloc uint32
|
||||
Flags uint32
|
||||
Reserve1 uint32
|
||||
Reserve2 uint32
|
||||
Reserve3 uint32
|
||||
}
|
||||
|
||||
// A SymtabCmd is a Mach-O symbol table command.
|
||||
type SymtabCmd struct {
|
||||
Cmd LoadCmd
|
||||
Len uint32
|
||||
Symoff uint32
|
||||
Nsyms uint32
|
||||
Stroff uint32
|
||||
Strsize uint32
|
||||
}
|
||||
|
||||
// A DysymtabCmd is a Mach-O dynamic symbol table command.
|
||||
type DysymtabCmd struct {
|
||||
Cmd LoadCmd
|
||||
Len uint32
|
||||
Ilocalsym uint32
|
||||
Nlocalsym uint32
|
||||
Iextdefsym uint32
|
||||
Nextdefsym uint32
|
||||
Iundefsym uint32
|
||||
Nundefsym uint32
|
||||
Tocoffset uint32
|
||||
Ntoc uint32
|
||||
Modtaboff uint32
|
||||
Nmodtab uint32
|
||||
Extrefsymoff uint32
|
||||
Nextrefsyms uint32
|
||||
Indirectsymoff uint32
|
||||
Nindirectsyms uint32
|
||||
Extreloff uint32
|
||||
Nextrel uint32
|
||||
Locreloff uint32
|
||||
Nlocrel uint32
|
||||
}
|
||||
|
||||
// An Nlist32 is a Mach-O 32-bit symbol table entry.
|
||||
type Nlist32 struct {
|
||||
Name uint32
|
||||
Type uint8
|
||||
Sect uint8
|
||||
Desc uint16
|
||||
Value uint32
|
||||
}
|
||||
|
||||
// An Nlist64 is a Mach-O 64-bit symbol table entry.
|
||||
type Nlist64 struct {
|
||||
Name uint32
|
||||
Type uint8
|
||||
Sect uint8
|
||||
Desc uint16
|
||||
Value uint64
|
||||
}
|
||||
|
||||
// A Symbol is a Mach-O 32-bit or 64-bit symbol table entry.
|
||||
type Symbol struct {
|
||||
Name string
|
||||
Type uint8
|
||||
Sect uint8
|
||||
Desc uint16
|
||||
Value uint64
|
||||
}
|
||||
|
||||
// A Thread is a Mach-O thread state command.
|
||||
type Thread struct {
|
||||
Cmd LoadCmd
|
||||
Len uint32
|
||||
Type uint32
|
||||
Data []uint32
|
||||
}
|
||||
|
||||
// Regs386 is the Mach-O 386 register structure.
|
||||
type Regs386 struct {
|
||||
AX uint32
|
||||
BX uint32
|
||||
CX uint32
|
||||
DX uint32
|
||||
DI uint32
|
||||
SI uint32
|
||||
BP uint32
|
||||
SP uint32
|
||||
SS uint32
|
||||
FLAGS uint32
|
||||
IP uint32
|
||||
CS uint32
|
||||
DS uint32
|
||||
ES uint32
|
||||
FS uint32
|
||||
GS uint32
|
||||
}
|
||||
|
||||
// RegsAMD64 is the Mach-O AMD64 register structure.
|
||||
type RegsAMD64 struct {
|
||||
AX uint64
|
||||
BX uint64
|
||||
CX uint64
|
||||
DX uint64
|
||||
DI uint64
|
||||
SI uint64
|
||||
BP uint64
|
||||
SP uint64
|
||||
R8 uint64
|
||||
R9 uint64
|
||||
R10 uint64
|
||||
R11 uint64
|
||||
R12 uint64
|
||||
R13 uint64
|
||||
R14 uint64
|
||||
R15 uint64
|
||||
IP uint64
|
||||
FLAGS uint64
|
||||
CS uint64
|
||||
FS uint64
|
||||
GS uint64
|
||||
}
|
||||
|
||||
type intName struct {
|
||||
i uint32
|
||||
s string
|
||||
}
|
||||
|
||||
func stringName(i uint32, names []intName, goSyntax bool) string {
|
||||
for _, n := range names {
|
||||
if n.i == i {
|
||||
if goSyntax {
|
||||
return "macho." + n.s
|
||||
}
|
||||
return n.s
|
||||
}
|
||||
}
|
||||
return strconv.FormatUint(uint64(i), 10)
|
||||
}
|
||||
|
||||
func flagName(i uint32, names []intName, goSyntax bool) string {
|
||||
s := ""
|
||||
for _, n := range names {
|
||||
if n.i&i == n.i {
|
||||
if len(s) > 0 {
|
||||
s += "+"
|
||||
}
|
||||
if goSyntax {
|
||||
s += "macho."
|
||||
}
|
||||
s += n.s
|
||||
i -= n.i
|
||||
}
|
||||
}
|
||||
if len(s) == 0 {
|
||||
return "0x" + strconv.FormatUint(uint64(i), 16)
|
||||
}
|
||||
if i != 0 {
|
||||
s += "+0x" + strconv.FormatUint(uint64(i), 16)
|
||||
}
|
||||
return s
|
||||
}
|
||||
Reference in New Issue
Block a user