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[dev.link] cmd/link: ensure deterministic order in dynexp

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dynexp is used for generating the dynamic symbol table. It is
created from a map. Sort it to ensure deterministic order.

Should fix solaris build.

Change-Id: I561b9da3a4136a7ea41139073f76c98fb069d4fa
Reviewed-on: https://go-review.googlesource.com/c/go/+/204378
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
This commit is contained in:
Cherry Zhang 2019-10-30 18:07:55 -04:00
parent 851b1f40b4
commit 43d25a61c1
2 changed files with 9 additions and 0 deletions
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2
src/cmd/link/internal/ld/lib.go
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@ -58,6 +58,7 @@ import (
"os/exec"
"path/filepath"
"runtime"
"sort"
"strings"
"sync"
)
@ -540,6 +541,7 @@ func setupdynexp(ctxt *Link) {
s := ctxt.Syms.Lookup(exp, 0)
dynexp = append(dynexp, s)
}
sort.Sort(byName(dynexp))
// Resolve ABI aliases in the list of cgo-exported functions.
// This is necessary because we load the ABI0 symbol for all