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runtime: make onM and mcall take Go func values

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This gives them correct types in Go and also makes it
possible to use them to run Go code on an m stack.

LGTM=iant
R=golang-codereviews, dave, iant
CC=dvyukov, golang-codereviews, khr, r
https://golang.org/cl/137970044
This commit is contained in:
Russ Cox 2014-09-03 11:35:22 -04:00
parent 7ba41e9972
commit 012ceed914
18 changed files with 140 additions and 91 deletions
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28
src/pkg/runtime/export_test.go
View file

@ -31,23 +31,21 @@ type LFNode struct {
Pushcnt uintptr
}
var (
lfstackpush_m,
lfstackpop_m mFunction
)
func lfstackpush_m()
func lfstackpop_m()
func LFStackPush(head *uint64, node *LFNode) {
mp := acquirem()
mp.ptrarg[0] = unsafe.Pointer(head)
mp.ptrarg[1] = unsafe.Pointer(node)
onM(&lfstackpush_m)
onM(lfstackpush_m)
releasem(mp)
}
func LFStackPop(head *uint64) *LFNode {
mp := acquirem()
mp.ptrarg[0] = unsafe.Pointer(head)
onM(&lfstackpop_m)
onM(lfstackpop_m)
node := (*LFNode)(unsafe.Pointer(mp.ptrarg[0]))
mp.ptrarg[0] = nil
releasem(mp)
@ -65,17 +63,15 @@ type ParFor struct {
wait bool
}
var (
newparfor_m,
parforsetup_m,
parfordo_m,
parforiters_m mFunction
)
func newparfor_m()
func parforsetup_m()
func parfordo_m()
func parforiters_m()
func NewParFor(nthrmax uint32) *ParFor {
mp := acquirem()
mp.scalararg[0] = uintptr(nthrmax)
onM(&newparfor_m)
onM(newparfor_m)
desc := (*ParFor)(mp.ptrarg[0])
mp.ptrarg[0] = nil
releasem(mp)
@ -93,14 +89,14 @@ func ParForSetup(desc *ParFor, nthr, n uint32, ctx *byte, wait bool, body func(*
if wait {
mp.scalararg[2] = 1
}
onM(&parforsetup_m)
onM(parforsetup_m)
releasem(mp)
}
func ParForDo(desc *ParFor) {
mp := acquirem()
mp.ptrarg[0] = unsafe.Pointer(desc)
onM(&parfordo_m)
onM(parfordo_m)
releasem(mp)
}
@ -108,7 +104,7 @@ func ParForIters(desc *ParFor, tid uint32) (uint32, uint32) {
mp := acquirem()
mp.ptrarg[0] = unsafe.Pointer(desc)
mp.scalararg[0] = uintptr(tid)
onM(&parforiters_m)
onM(parforiters_m)
begin := uint32(mp.scalararg[0])
end := uint32(mp.scalararg[1])
releasem(mp)