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The cgo tool would sometimes emit a bitfield at an offset that did not correspond to the C offset, such as for the example in the new test. Change-Id: I61b2ca10ee44a42f81c13ed12865f2060168fed5 Reviewed-on: https://go-review.googlesource.com/c/go/+/252378 Trust: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Go Bot <gobot@golang.org>
32 lines
839 B
Go
32 lines
839 B
Go
// Copyright 2020 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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//
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// +build ignore
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package main
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// This file tests that we don't generate an incorrect field location
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// for a bitfield that appears aligned.
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/*
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struct bitfields {
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unsigned int B1 : 5;
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unsigned int B2 : 1;
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unsigned int B3 : 1;
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unsigned int B4 : 1;
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unsigned int Short1 : 16; // misaligned on 8 bit boundary
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unsigned int B5 : 1;
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unsigned int B6 : 1;
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unsigned int B7 : 1;
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unsigned int B8 : 1;
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unsigned int B9 : 1;
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unsigned int B10 : 3;
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unsigned int Short2 : 16; // alignment is OK
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unsigned int Short3 : 16; // alignment is OK
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};
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*/
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import "C"
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type bitfields C.struct_bitfields
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