mirror of git://gcc.gnu.org/git/gcc.git
75 lines
2.7 KiB
Go
75 lines
2.7 KiB
Go
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build gc
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package main_test
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import (
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"go/build"
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"runtime"
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"testing"
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"cmd/internal/buildid"
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)
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func TestNoteReading(t *testing.T) {
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// cmd/internal/buildid already has tests that the basic reading works.
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// This test is essentially checking that -ldflags=-buildid=XXX works,
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// both in internal and external linking mode.
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tg := testgo(t)
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defer tg.cleanup()
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tg.tempFile("hello.go", `package main; func main() { print("hello, world\n") }`)
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const buildID = "TestNoteReading-Build-ID"
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tg.run("build", "-ldflags", "-buildid="+buildID, "-o", tg.path("hello.exe"), tg.path("hello.go"))
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id, err := buildid.ReadFile(tg.path("hello.exe"))
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if err != nil {
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t.Fatalf("reading build ID from hello binary: %v", err)
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}
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if id != buildID {
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t.Fatalf("buildID in hello binary = %q, want %q", id, buildID)
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}
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switch {
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case !build.Default.CgoEnabled:
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t.Skipf("skipping - no cgo, so assuming external linking not available")
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case runtime.GOOS == "openbsd" && runtime.GOARCH == "arm":
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t.Skipf("skipping - external linking not supported, golang.org/issue/10619")
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case runtime.GOOS == "plan9":
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t.Skipf("skipping - external linking not supported")
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}
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tg.run("build", "-ldflags", "-buildid="+buildID+" -linkmode=external", "-o", tg.path("hello2.exe"), tg.path("hello.go"))
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id, err = buildid.ReadFile(tg.path("hello2.exe"))
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if err != nil {
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t.Fatalf("reading build ID from hello binary (linkmode=external): %v", err)
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}
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if id != buildID {
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t.Fatalf("buildID in hello binary = %q, want %q (linkmode=external)", id, buildID)
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}
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switch runtime.GOOS {
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case "dragonfly", "freebsd", "linux", "netbsd", "openbsd":
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// Test while forcing use of the gold linker, since in the past
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// we've had trouble reading the notes generated by gold.
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err := tg.doRun([]string{"build", "-ldflags", "-buildid=" + buildID + " -linkmode=external -extldflags=-fuse-ld=gold", "-o", tg.path("hello3.exe"), tg.path("hello.go")})
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if err != nil {
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if tg.grepCountBoth("(invalid linker|gold|cannot find 'ld')") > 0 {
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// It's not an error if gold isn't there. gcc claims it "cannot find 'ld'" if
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// ld.gold is missing, see issue #22340.
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t.Log("skipping gold test")
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break
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}
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t.Fatalf("building hello binary: %v", err)
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}
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id, err = buildid.ReadFile(tg.path("hello3.exe"))
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if err != nil {
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t.Fatalf("reading build ID from hello binary (linkmode=external -extldflags=-fuse-ld=gold): %v", err)
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}
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if id != buildID {
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t.Fatalf("buildID in hello binary = %q, want %q (linkmode=external -extldflags=-fuse-ld=gold)", id, buildID)
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}
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}
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}
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