2020-04-21 03:57:02 +00:00
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// Copyright 2019 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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2022-01-19 18:22:48 +00:00
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package check
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2020-04-21 03:57:02 +00:00
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import (
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2022-02-04 07:43:51 +00:00
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"errors"
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2020-04-21 03:57:02 +00:00
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"fmt"
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2022-01-25 20:30:32 +00:00
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"go/build"
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2020-04-21 03:57:02 +00:00
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"io"
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"os"
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2022-01-19 18:22:48 +00:00
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"gvisor.dev/gvisor/tools/nogo/flags"
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2020-04-21 03:57:02 +00:00
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)
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// findStdPkg needs to find the bundled standard library packages.
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2022-01-19 18:22:48 +00:00
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var findStdPkg = func(path string) (io.ReadCloser, error) {
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2020-07-13 23:10:58 +00:00
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if path == "C" {
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// Cgo builds cannot be analyzed. Skip.
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return nil, ErrSkip
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}
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2022-01-19 18:22:48 +00:00
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// Attempt to use the root, if available.
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root, envErr := flags.Env("GOROOT")
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if envErr != nil {
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return nil, fmt.Errorf("unable to resolve GOROOT: %w", envErr)
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}
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// Attempt to resolve the library, and propagate this error.
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2022-02-04 07:43:51 +00:00
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f, err := os.Open(fmt.Sprintf("%s/pkg/%s_%s/%s.a", root, flags.GOOS, flags.GOARCH, path))
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if err != nil && errors.Is(err, os.ErrNotExist) {
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return nil, ErrSkip
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}
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return f, err
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2020-04-21 03:57:02 +00:00
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}
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2021-10-18 19:14:22 +00:00
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2022-01-25 20:30:32 +00:00
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// releaseTags returns the default release tags.
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2022-01-19 18:22:48 +00:00
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var releaseTags = func() ([]string, error) {
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2022-01-25 20:30:32 +00:00
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return build.Default.ReleaseTags, nil
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2021-10-18 19:14:22 +00:00
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}
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