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cmd/go: look for .go.buildinfo section when looking for ELF version

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Based on original fix from Mark Glines in golang.org/cl/186737

Fixes #31861

Change-Id: Ibd583a3aa8f8b8eefade998aa2ac757b55140937
Reviewed-on: https://go-review.googlesource.com/c/go/+/188957
Run-TryBot: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Mark Glines 2019-07-31 03:46:15 +00:00 committed by Andrew Bonventre
parent 09c9d3a58a
commit 6c74db4024
2 changed files with 12 additions and 0 deletions
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5
src/cmd/go/internal/version/exe.go
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@ -103,6 +103,11 @@ func (x *elfExe) ReadData(addr, size uint64) ([]byte, error) {
}
func (x *elfExe) DataStart() uint64 {
for _, s := range x.f.Sections {
if s.Name == ".go.buildinfo" {
return s.Addr
}
}
for _, p := range x.f.Progs {
if p.Type == elf.PT_LOAD && p.Flags&(elf.PF_X|elf.PF_W) == elf.PF_W {
return p.Vaddr

7
src/cmd/go/testdata/script/version.txt vendored
View File

@ -8,5 +8,12 @@ go version -m fortune.exe
stdout '^\tpath\trsc.io/fortune'
stdout '^\tmod\trsc.io/fortune\tv1.0.0'
go build -buildmode=pie -o external.exe rsc.io/fortune
go version external.exe
stdout '^external.exe: .+'
go version -m external.exe
stdout '^\tpath\trsc.io/fortune'
stdout '^\tmod\trsc.io/fortune\tv1.0.0'
-- go.mod --
module m