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Michael Anthony Knyszek f7a87e3299 runtime: fix bp restoration in panic recovery for arm64
Previously, the frame pointer wouldn't be restored at all, which could
cause panics during frame pointer unwinding. As of CL 516157, the frame
pointer is restored, but it's restored incorrectly on arm64: on arm64,
the frame pointer points one word below SP, but here it's one below
panic.fp which is the stack pointer of the caller's frame (nothing to do
with the architectural bp).

For #61766.

Change-Id: I86504b85a4d741df5939b51c914d9e7c8d6edaad
Reviewed-on: https://go-review.googlesource.com/c/go/+/523697
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2023-08-28 21:36:31 +00:00
.github .github: fix templates with multiple labels 2023-07-31 18:28:27 +00:00
api encoding: add AppendEncode and AppendDecode 2023-08-17 16:23:42 +00:00
doc doc/go1.22: mention new #cgo directives 2023-08-26 00:16:22 +00:00
lib/time lib/time: update to 2023c/2023c 2023-05-03 20:14:11 +00:00
misc os: add tests for UserCacheDir and UserConfigDir 2023-08-21 17:46:57 +00:00
src runtime: fix bp restoration in panic recovery for arm64 2023-08-28 21:36:31 +00:00
test cmd/compile/internal/ir: set Addrtaken on Canonical ONAME too 2023-08-28 14:32:14 +00:00
.gitattributes
.gitignore internal/platform,cmd/dist: export the list of supported platforms 2023-06-22 19:44:52 +00:00
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CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
go.env cmd/go: additional doc-inspired tests and bug fixes 2023-06-06 19:18:46 +00:00
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README.md README: update from CC-BY-3.0 to CC-BY-4.0 2022-11-02 20:14:56 +00:00
SECURITY.md SECURITY.md: replace golang.org with go.dev 2022-04-26 19:59:47 +00:00

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