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[dev.typeparams] reflect: implement register ABI for MakeFunc etc. on ARM64

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Implement register ABI for reflect.MakeFunc and method Value Call
on ARM64.

Change-Id: I5487febb9ea764af5ccf5d7c94858ab0acec7cac
Reviewed-on: https://go-review.googlesource.com/c/go/+/323936
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
This commit is contained in:
Cherry Mui 2021-05-27 20:20:16 -04:00
parent 2e4b79949f
commit 0c123cdf8b
2 changed files with 54 additions and 13 deletions
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6
src/runtime/stack.go
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@ -1318,11 +1318,11 @@ func getStackMap(frame *stkframe, cache *pcvalueCache, debug bool) (locals, args
}
// stack objects.
if GOARCH == "amd64" && unsafe.Sizeof(abi.RegArgs{}) > 0 && frame.argmap != nil {
if (GOARCH == "amd64" || GOARCH == "arm64") && unsafe.Sizeof(abi.RegArgs{}) > 0 && frame.argmap != nil {
// argmap is set when the function is reflect.makeFuncStub or reflect.methodValueCall.
// We don't actually use argmap in this case, but we need to fake the stack object
// record for these frames which contain an internal/abi.RegArgs at a hard-coded offset
// on amd64.
// record for these frames which contain an internal/abi.RegArgs at a hard-coded offset.
// This offset matches the assembly code on amd64 and arm64.
objs = methodValueCallFrameObjs
} else {
p := funcdata(f, _FUNCDATA_StackObjects)