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runtime: make getStackMap a method of stkframe
This places getStackMap alongside argBytes and argMapInternal as another method of stkframe. For #54466, albeit rather indirectly. Change-Id: I411dda3605dd7f996983706afcbefddf29a68a85 Reviewed-on: https://go-review.googlesource.com/c/go/+/424515 Reviewed-by: Michael Pratt <mpratt@google.com> Reviewed-by: Cherry Mui <cherryyz@google.com> Run-TryBot: Austin Clements <austin@google.com> Auto-Submit: Austin Clements <austin@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>
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@ -1479,7 +1479,7 @@ func getgcmask(ep any) (mask []byte) {
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frame.sp = uintptr(p)
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gentraceback(gp.m.curg.sched.pc, gp.m.curg.sched.sp, 0, gp.m.curg, 0, nil, 1000, getgcmaskcb, noescape(unsafe.Pointer(&frame)), 0)
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if frame.fn.valid() {
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locals, _, _ := getStackMap(&frame, nil, false)
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locals, _, _ := frame.getStackMap(nil, false)
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if locals.n == 0 {
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return
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}
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@ -966,7 +966,7 @@ func scanframeworker(frame *stkframe, state *stackScanState, gcw *gcWork) {
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return
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}
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locals, args, objs := getStackMap(frame, &state.cache, false)
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locals, args, objs := frame.getStackMap(&state.cache, false)
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// Scan local variables if stack frame has been allocated.
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if locals.n > 0 {
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@ -664,7 +664,7 @@ func adjustframe(frame *stkframe, arg unsafe.Pointer) bool {
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return true
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}
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locals, args, objs := getStackMap(frame, &adjinfo.cache, true)
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locals, args, objs := frame.getStackMap(&adjinfo.cache, true)
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// Adjust local variables if stack frame has been allocated.
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if locals.n > 0 {
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@ -1249,7 +1249,7 @@ func freeStackSpans() {
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// getStackMap returns the locals and arguments live pointer maps, and
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// stack object list for frame.
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func getStackMap(frame *stkframe, cache *pcvalueCache, debug bool) (locals, args bitvector, objs []stackObjectRecord) {
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func (frame *stkframe) getStackMap(cache *pcvalueCache, debug bool) (locals, args bitvector, objs []stackObjectRecord) {
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targetpc := frame.continpc
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if targetpc == 0 {
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// Frame is dead. Return empty bitvectors.
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