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cmd/cgo: accept __uint8_t as the uint8_t type

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This works around the NetBSD <stdint.h> which defines the type using
"#define" rather than typedef.

Fixes #30918
Updates #29878

Change-Id: I8998eba52139366ae46762bdad5fcae85f9b4027
Reviewed-on: https://go-review.googlesource.com/c/go/+/168337
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Ian Lance Taylor 2019-03-19 06:51:14 -07:00
parent d34548e0b6
commit 72954ebcfd
1 changed files with 4 additions and 2 deletions
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6
src/cmd/cgo/gcc.go
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@ -2483,7 +2483,9 @@ func (c *typeConv) Type(dtype dwarf.Type, pos token.Pos) *Type {
// representation. // representation.
if exactWidthIntegerType.MatchString(dt.Name) { if exactWidthIntegerType.MatchString(dt.Name) {
sub := c.Type(dt.Type, pos) sub := c.Type(dt.Type, pos)
u := c.exactWidthIntegerTypes[strings.TrimSuffix(dt.Name, "_t")] goname := strings.TrimPrefix(dt.Name, "__")
goname = strings.TrimSuffix(goname, "_t")
u := c.exactWidthIntegerTypes[goname]
if sub.Size != u.Size { if sub.Size != u.Size {
fatalf("%s: unexpected size: %d vs. %d – %s", lineno(pos), sub.Size, u.Size, dtype) fatalf("%s: unexpected size: %d vs. %d – %s", lineno(pos), sub.Size, u.Size, dtype)
} }
@ -2630,7 +2632,7 @@ func (c *typeConv) Type(dtype dwarf.Type, pos token.Pos) *Type {
return t return t
} }
var exactWidthIntegerType = regexp.MustCompile(`^u?int(8|16|32|64)_t$`) var exactWidthIntegerType = regexp.MustCompile(`^(__)?u?int(8|16|32|64)_t$`)
// isStructUnionClass reports whether the type described by the Go syntax x // isStructUnionClass reports whether the type described by the Go syntax x
// is a struct, union, or class with a tag. // is a struct, union, or class with a tag.