1 files changed, 0 insertions, 208 deletions
diff --git a/vendor/github.com/google/gops/internal/objfile/pe.go b/vendor/github.com/google/gops/internal/objfile/pe.go
deleted file mode 100644
index 46b23172..00000000
--- a/vendor/github.com/google/gops/internal/objfile/pe.go
+++ /dev/null
@@ -1,208 +0,0 @@
-// Copyright 2013 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.
-
-// Parsing of PE executables (Microsoft Windows).
-
-package objfile
-
-import (
-	"debug/dwarf"
-	"debug/pe"
-	"fmt"
-	"os"
-	"sort"
-)
-
-type peFile struct {
-	pe *pe.File
-}
-
-func openPE(r *os.File) (rawFile, error) {
-	f, err := pe.NewFile(r)
-	if err != nil {
-		return nil, err
-	}
-	switch f.OptionalHeader.(type) {
-	case *pe.OptionalHeader32, *pe.OptionalHeader64:
-		// ok
-	default:
-		return nil, fmt.Errorf("unrecognized PE format")
-	}
-	return &peFile{f}, nil
-}
-
-func (f *peFile) symbols() ([]Sym, error) {
-	// Build sorted list of addresses of all symbols.
-	// We infer the size of a symbol by looking at where the next symbol begins.
-	var addrs []uint64
-
-	var imageBase uint64
-	switch oh := f.pe.OptionalHeader.(type) {
-	case *pe.OptionalHeader32:
-		imageBase = uint64(oh.ImageBase)
-	case *pe.OptionalHeader64:
-		imageBase = oh.ImageBase
-	}
-
-	var syms []Sym
-	for _, s := range f.pe.Symbols {
-		const (
-			N_UNDEF = 0  // An undefined (extern) symbol
-			N_ABS   = -1 // An absolute symbol (e_value is a constant, not an address)
-			N_DEBUG = -2 // A debugging symbol
-		)
-		sym := Sym{Name: s.Name, Addr: uint64(s.Value), Code: '?'}
-		switch s.SectionNumber {
-		case N_UNDEF:
-			sym.Code = 'U'
-		case N_ABS:
-			sym.Code = 'C'
-		case N_DEBUG:
-			sym.Code = '?'
-		default:
-			if s.SectionNumber < 0 || len(f.pe.Sections) < int(s.SectionNumber) {
-				return nil, fmt.Errorf("invalid section number in symbol table")
-			}
-			sect := f.pe.Sections[s.SectionNumber-1]
-			const (
-				text  = 0x20
-				data  = 0x40
-				bss   = 0x80
-				permW = 0x80000000
-			)
-			ch := sect.Characteristics
-			switch {
-			case ch&text != 0:
-				sym.Code = 'T'
-			case ch&data != 0:
-				if ch&permW == 0 {
-					sym.Code = 'R'
-				} else {
-					sym.Code = 'D'
-				}
-			case ch&bss != 0:
-				sym.Code = 'B'
-			}
-			sym.Addr += imageBase + uint64(sect.VirtualAddress)
-		}
-		syms = append(syms, sym)
-		addrs = append(addrs, sym.Addr)
-	}
-
-	sort.Sort(uint64s(addrs))
-	for i := range syms {
-		j := sort.Search(len(addrs), func(x int) bool { return addrs[x] > syms[i].Addr })
-		if j < len(addrs) {
-			syms[i].Size = int64(addrs[j] - syms[i].Addr)
-		}
-	}
-
-	return syms, nil
-}
-
-func (f *peFile) pcln() (textStart uint64, symtab, pclntab []byte, err error) {
-	var imageBase uint64
-	switch oh := f.pe.OptionalHeader.(type) {
-	case *pe.OptionalHeader32:
-		imageBase = uint64(oh.ImageBase)
-	case *pe.OptionalHeader64:
-		imageBase = oh.ImageBase
-	default:
-		return 0, nil, nil, fmt.Errorf("pe file format not recognized")
-	}
-	if sect := f.pe.Section(".text"); sect != nil {
-		textStart = imageBase + uint64(sect.VirtualAddress)
-	}
-	if pclntab, err = loadPETable(f.pe, "runtime.pclntab", "runtime.epclntab"); err != nil {
-		// We didn't find the symbols, so look for the names used in 1.3 and earlier.
-		// TODO: Remove code looking for the old symbols when we no longer care about 1.3.
-		var err2 error
-		if pclntab, err2 = loadPETable(f.pe, "pclntab", "epclntab"); err2 != nil {
-			return 0, nil, nil, err
-		}
-	}
-	if symtab, err = loadPETable(f.pe, "runtime.symtab", "runtime.esymtab"); err != nil {
-		// Same as above.
-		var err2 error
-		if symtab, err2 = loadPETable(f.pe, "symtab", "esymtab"); err2 != nil {
-			return 0, nil, nil, err
-		}
-	}
-	return textStart, symtab, pclntab, nil
-}
-
-func (f *peFile) text() (textStart uint64, text []byte, err error) {
-	var imageBase uint64
-	switch oh := f.pe.OptionalHeader.(type) {
-	case *pe.OptionalHeader32:
-		imageBase = uint64(oh.ImageBase)
-	case *pe.OptionalHeader64:
-		imageBase = oh.ImageBase
-	default:
-		return 0, nil, fmt.Errorf("pe file format not recognized")
-	}
-	sect := f.pe.Section(".text")
-	if sect == nil {
-		return 0, nil, fmt.Errorf("text section not found")
-	}
-	textStart = imageBase + uint64(sect.VirtualAddress)
-	text, err = sect.Data()
-	return
-}
-
-func findPESymbol(f *pe.File, name string) (*pe.Symbol, error) {
-	for _, s := range f.Symbols {
-		if s.Name != name {
-			continue
-		}
-		if s.SectionNumber <= 0 {
-			return nil, fmt.Errorf("symbol %s: invalid section number %d", name, s.SectionNumber)
-		}
-		if len(f.Sections) < int(s.SectionNumber) {
-			return nil, fmt.Errorf("symbol %s: section number %d is larger than max %d", name, s.SectionNumber, len(f.Sections))
-		}
-		return s, nil
-	}
-	return nil, fmt.Errorf("no %s symbol found", name)
-}
-
-func loadPETable(f *pe.File, sname, ename string) ([]byte, error) {
-	ssym, err := findPESymbol(f, sname)
-	if err != nil {
-		return nil, err
-	}
-	esym, err := findPESymbol(f, ename)
-	if err != nil {
-		return nil, err
-	}
-	if ssym.SectionNumber != esym.SectionNumber {
-		return nil, fmt.Errorf("%s and %s symbols must be in the same section", sname, ename)
-	}
-	sect := f.Sections[ssym.SectionNumber-1]
-	data, err := sect.Data()
-	if err != nil {
-		return nil, err
-	}
-	return data[ssym.Value:esym.Value], nil
-}
-
-func (f *peFile) goarch() string {
-	// Not sure how to get the info we want from PE header.
-	// Look in symbol table for telltale rt0 symbol.
-	if _, err := findPESymbol(f.pe, "_rt0_386_windows"); err == nil {
-		return "386"
-	}
-	if _, err := findPESymbol(f.pe, "_rt0_amd64_windows"); err == nil {
-		return "amd64"
-	}
-	return ""
-}
-
-func (f *peFile) loadAddress() (uint64, error) {
-	return 0, fmt.Errorf("unknown load address")
-}
-
-func (f *peFile) dwarf() (*dwarf.Data, error) {
-	return f.pe.DWARF()
-}