| // Copyright 2021 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| // TODO: expand the set of supported platforms, with testing. Nothing about |
| // the instrumentation is OS specific, but only amd64 and arm64 are |
| // supported in the runtime. See src/runtime/libfuzzer*. |
| // |
| // If you update this constraint, also update cmd/internal/sys.FuzzInstrumeted. |
| // |
| //go:build !((darwin || linux || windows || freebsd) && (amd64 || arm64)) |
| |
| package fuzz |
| |
| // TODO(#48504): re-enable on platforms where instrumentation works. |
| // In theory, we shouldn't need this file at all: if the binary was built |
| // without coverage, then _counters and _ecounters should have the same address. |
| // However, this caused an init failure on aix/ppc64, so it's disabled here. |
| |
| // coverage returns a []byte containing unique 8-bit counters for each edge of |
| // the instrumented source code. This coverage data will only be generated if |
| // `-d=libfuzzer` is set at build time. This can be used to understand the code |
| // coverage of a test execution. |
| func coverage() []byte { return nil } |
