Imported Upstream version 1.4upstream/1.4

1 files changed, 0 insertions, 90 deletions

diff --git a/src/pkg/debug/dwarf/unit.go b/src/pkg/debug/dwarf/unit.go
deleted file mode 100644
index 0fbc8e082..000000000
--- a/src/pkg/debug/dwarf/unit.go
+++ /dev/null
@@ -1,90 +0,0 @@
-// 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.
-
-package dwarf
-
-import "strconv"
-
-// DWARF debug info is split into a sequence of compilation units.
-// Each unit has its own abbreviation table and address size.
-
-type unit struct {
-	base   Offset // byte offset of header within the aggregate info
-	off    Offset // byte offset of data within the aggregate info
-	data   []byte
-	atable abbrevTable
-	asize  int
-	vers   int
-	is64   bool // True for 64-bit DWARF format
-}
-
-// Implement the dataFormat interface.
-
-func (u *unit) version() int {
-	return u.vers
-}
-
-func (u *unit) dwarf64() (bool, bool) {
-	return u.is64, true
-}
-
-func (u *unit) addrsize() int {
-	return u.asize
-}
-
-func (d *Data) parseUnits() ([]unit, error) {
-	// Count units.
-	nunit := 0
-	b := makeBuf(d, unknownFormat{}, "info", 0, d.info)
-	for len(b.data) > 0 {
-		len := b.uint32()
-		if len == 0xffffffff {
-			len64 := b.uint64()
-			if len64 != uint64(uint32(len64)) {
-				b.error("unit length overflow")
-				break
-			}
-			len = uint32(len64)
-		}
-		b.skip(int(len))
-		nunit++
-	}
-	if b.err != nil {
-		return nil, b.err
-	}
-
-	// Again, this time writing them down.
-	b = makeBuf(d, unknownFormat{}, "info", 0, d.info)
-	units := make([]unit, nunit)
-	for i := range units {
-		u := &units[i]
-		u.base = b.off
-		n := b.uint32()
-		if n == 0xffffffff {
-			u.is64 = true
-			n = uint32(b.uint64())
-		}
-		vers := b.uint16()
-		if vers != 2 && vers != 3 && vers != 4 {
-			b.error("unsupported DWARF version " + strconv.Itoa(int(vers)))
-			break
-		}
-		u.vers = int(vers)
-		atable, err := d.parseAbbrev(b.uint32())
-		if err != nil {
-			if b.err == nil {
-				b.err = err
-			}
-			break
-		}
-		u.atable = atable
-		u.asize = int(b.uint8())
-		u.off = b.off
-		u.data = b.bytes(int(n - (2 + 4 + 1)))
-	}
-	if b.err != nil {
-		return nil, b.err
-	}
-	return units, nil
-}