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cmd/cgo: fix C.complexfloat and C.complexdouble

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This also fixes an unintended behavior where C's "complex float" and
"complex double" types were interchangeable with Go's "complex64" and
"complex128" types.

Fixes #13402.

Change-Id: I73f96d9a4772088d495073783c6982e9634430e8
Reviewed-on: https://go-review.googlesource.com/17208
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Matthew Dempsky 2015-11-25 13:09:14 -08:00
parent de640d369d
commit 10cb39afc4
4 changed files with 17 additions and 8 deletions
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8
src/cmd/cgo/gcc.go
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@ -38,8 +38,8 @@ var nameToC = map[string]string{
"ulong": "unsigned long",
"longlong": "long long",
"ulonglong": "unsigned long long",
"complexfloat": "float complex",
"complexdouble": "double complex",
"complexfloat": "__complex float",
"complexdouble": "__complex double",
}
// cname returns the C name to use for C.s.
@ -1319,8 +1319,6 @@ var dwarfToName = map[string]string{
"long long int": "longlong",
"long long unsigned int": "ulonglong",
"signed char": "schar",
"float complex": "complexfloat",
"double complex": "complexdouble",
}
const signedDelta = 64
@ -1690,7 +1688,7 @@ func (c *typeConv) Type(dtype dwarf.Type, pos token.Pos) *Type {
}
switch dtype.(type) {
case *dwarf.AddrType, *dwarf.BoolType, *dwarf.CharType, *dwarf.IntType, *dwarf.FloatType, *dwarf.UcharType, *dwarf.UintType:
case *dwarf.AddrType, *dwarf.BoolType, *dwarf.CharType, *dwarf.ComplexType, *dwarf.IntType, *dwarf.FloatType, *dwarf.UcharType, *dwarf.UintType:
s := dtype.Common().Name
if s != "" {
if ss, ok := dwarfToName[s]; ok {