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cmd/pprof: don't use offset if we don't have a start address

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The test is in the runtime package because there are other tests of
pprof there. At some point we should probably move them all into a pprof
testsuite.

Fixes #16128.

Change-Id: Ieefa40c61cf3edde11fe0cf04da1debfd8b3d7c0
Reviewed-on: https://go-review.googlesource.com/24274
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Andrew Gerrand <adg@golang.org>
This commit is contained in:
Ian Lance Taylor 2016-06-20 14:00:58 -07:00
parent 09834d1c08
commit 252eda470a
3 changed files with 93 additions and 2 deletions
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6
src/cmd/pprof/pprof.go
View file

@ -117,8 +117,10 @@ func (*objTool) Open(name string, start uint64) (plugin.ObjFile, error) {
name: name,
file: of,
}
if load, err := of.LoadAddress(); err == nil {
f.offset = start - load
if start != 0 {
if load, err := of.LoadAddress(); err == nil {
f.offset = start - load
}
}
return f, nil
}