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cmd/link: write buildid to plugin

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Currently, in plugin build mode we don't write the build ID. This
is disabled in CL 29394 since plugin is supported on Darwin. Maybe
it caused some problem with the Darwin dynamic linker. But it
seems no problem currently. Enabled it.

Fixes #59845.

Change-Id: I60589ffc7937e4d30055960d391cac1e7cd0cd42
Reviewed-on: https://go-review.googlesource.com/c/go/+/489457
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
This commit is contained in:
Cherry Mui 2023-04-26 17:29:33 -04:00
parent ff059add10
commit 6c8ea391cf
2 changed files with 15 additions and 3 deletions
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16
misc/cgo/testplugin/plugin_test.go
View File

@ -116,11 +116,15 @@ func testMain(m *testing.M) int {
return m.Run()
}
func goCmd(t *testing.T, op string, args ...string) {
func goCmd(t *testing.T, op string, args ...string) string {
if t != nil {
t.Helper()
}
run(t, filepath.Join(goroot, "bin", "go"), append([]string{op, "-gcflags", gcflags}, args...)...)
var flags []string
if op != "tool" {
flags = []string{"-gcflags", gcflags}
}
return run(t, filepath.Join(goroot, "bin", "go"), append(append([]string{op}, flags...), args...)...)
}
// escape converts a string to something suitable for a shell command line.
@ -190,6 +194,14 @@ func TestDWARFSections(t *testing.T) {
goCmd(t, "run", "./checkdwarf/main.go", "./host.exe", "main.main")
}
func TestBuildID(t *testing.T) {
// check that plugin has build ID.
b := goCmd(t, "tool", "buildid", "plugin1.so")
if len(b) == 0 {
t.Errorf("build id not found")
}
}
func TestRunHost(t *testing.T) {
run(t, "./host.exe")
}

2
src/cmd/link/internal/ld/data.go
View File

@ -2248,7 +2248,7 @@ func (state *dodataState) dodataSect(ctxt *Link, symn sym.SymKind, syms []loader
// at the very beginning of the text segment.
// This “header” is read by cmd/go.
func (ctxt *Link) textbuildid() {
if ctxt.IsELF || ctxt.BuildMode == BuildModePlugin || *flagBuildid == "" {
if ctxt.IsELF || *flagBuildid == "" {
return
}