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cgo: add GoBytes, fix gmp example

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Fixes #1640.
Fixes #2007.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/4815063
This commit is contained in:
Russ Cox 2011-07-28 12:39:50 -04:00
parent acb02ebc30
commit db9229def8
8 changed files with 55 additions and 4 deletions
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8
src/cmd/cgo/gcc.go
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@ -1140,6 +1140,14 @@ func (c *typeConv) Type(dtype dwarf.Type) *Type {
t.Align = c.ptrSize
break
}
if dt.Name == "_GoBytes_" {
// Special C name for Go []byte type.
// Knows slice layout used by compilers: pointer, length, cap.
t.Go = c.Ident("[]byte")
t.Size = c.ptrSize + 4 + 4
t.Align = c.ptrSize
break
}
name := c.Ident("_Ctypedef_" + dt.Name)
t.Go = name // publish before recursive call
sub := c.Type(dt.Type)