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cmd/compile: clean up some runtime LSym generation

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Passes toolstash-check.

Change-Id: I9398dd0fd9112d907f838ea911a7724dda5bbaee
Reviewed-on: https://go-review.googlesource.com/41400
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Josh Bleecher Snyder 2017-04-21 14:15:44 -07:00
parent b065c95551
commit b01be13ec3
1 changed files with 15 additions and 6 deletions
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21
src/cmd/compile/internal/gc/reflect.go
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@ -770,7 +770,11 @@ const (
tflagNamed = 1 << 2
)
var dcommontype_algarray *types.Sym
var (
algarray *obj.LSym
memhashvarlen *obj.LSym
memequalvarlen *obj.LSym
)
// dcommontype dumps the contents of a reflect.rtype (runtime._type).
func dcommontype(s *types.Sym, ot int, t *types.Type) int {
@ -779,8 +783,8 @@ func dcommontype(s *types.Sym, ot int, t *types.Type) int {
}
sizeofAlg := 2 * Widthptr
if dcommontype_algarray == nil {
dcommontype_algarray = Runtimepkg.Lookup("algarray")
if algarray == nil {
algarray = Sysfunc("algarray")
}
dowidth(t)
alg := algtype(t)
@ -874,7 +878,7 @@ func dcommontype(s *types.Sym, ot int, t *types.Type) int {
}
ot = duint8(s.Linksym(), ot, uint8(i)) // kind
if algsym == nil {
ot = dsymptr(s.Linksym(), ot, dcommontype_algarray.Linksym(), int(alg)*sizeofAlg)
ot = dsymptr(s.Linksym(), ot, algarray, int(alg)*sizeofAlg)
} else {
ot = dsymptr(s.Linksym(), ot, algsym.Linksym(), 0)
}
@ -1564,13 +1568,18 @@ func dalgsym(t *types.Type) *types.Sym {
}
s.SetAlgGen(true)
if memhashvarlen == nil {
memhashvarlen = Sysfunc("memhash_varlen")
memequalvarlen = Sysfunc("memequal_varlen")
}
// make hash closure
p = fmt.Sprintf(".hashfunc%d", t.Width)
hashfunc = types.TypePkgLookup(p)
ot := 0
ot = dsymptr(hashfunc.Linksym(), ot, Runtimepkg.Lookup("memhash_varlen").Linksym(), 0)
ot = dsymptr(hashfunc.Linksym(), ot, memhashvarlen, 0)
ot = duintptr(hashfunc.Linksym(), ot, uint64(t.Width)) // size encoded in closure
ggloblsym(hashfunc, int32(ot), obj.DUPOK|obj.RODATA)
@ -1580,7 +1589,7 @@ func dalgsym(t *types.Type) *types.Sym {
eqfunc = types.TypePkgLookup(p)
ot = 0
ot = dsymptr(eqfunc.Linksym(), ot, Runtimepkg.Lookup("memequal_varlen").Linksym(), 0)
ot = dsymptr(eqfunc.Linksym(), ot, memequalvarlen, 0)
ot = duintptr(eqfunc.Linksym(), ot, uint64(t.Width))
ggloblsym(eqfunc, int32(ot), obj.DUPOK|obj.RODATA)
} else {