37aed23f51
The exitsyscall path, since the introduction of the new execution tracer, stores a just little bit more data in the exitsyscall stack frame, causing a build failure from exceeding the nosplit limit with '-N -l' set on all packages (like Delve does). One of the paths through which this fails is "throw" from wirep, called by a callee of exitsyscall. By switching to the systemstack on this path, we can avoid hitting the nosplit limit, fixing the build. It's also not totally unreasonable to switch to the systemstack for the throws in this function, since the function has to be nosplit anyway. It gives the throw path a bit more wiggle room to dump information than it otherwise would have. Fixes #64113. Change-Id: I56e94e40614a202b8ac2fdc8b8b731493b74e5d0 Reviewed-on: https://go-review.googlesource.com/c/go/+/544535 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Cherry Mui <cherryyz@google.com> |
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