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Revert "runtime: drop stack-allocated pcvalueCaches"

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This reverts CL 515277

Change-Id: Ie10378eed4993cb69f4a9b43a38af32b9d743155
Reviewed-on: https://go-review.googlesource.com/c/go/+/516855
Run-TryBot: Austin Clements <austin@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Austin Clements <austin@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
This commit is contained in:
Austin Clements 2023-08-07 18:11:17 -04:00 • committed by Gopher Robot
parent 008ab9adb8
commit 5f674f64e4
14 changed files with 47 additions and 36 deletions
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3
src/runtime/stack.go
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@ -555,6 +555,7 @@ var ptrnames = []string{
type adjustinfo struct {
old stack
delta uintptr // ptr distance from old to new stack (newbase - oldbase)
cache pcvalueCache
// sghi is the highest sudog.elem on the stack.
sghi uintptr
@ -675,7 +676,7 @@ func adjustframe(frame *stkframe, adjinfo *adjustinfo) {
adjustpointer(adjinfo, unsafe.Pointer(frame.varp))
}
locals, args, objs := frame.getStackMap(true)
locals, args, objs := frame.getStackMap(&adjinfo.cache, true)
// Adjust local variables if stack frame has been allocated.
if locals.n > 0 {