tree 4972b0705557064b414b17434ad0a53702048bb7
parent 12c0f1b3e6ace3972bb3d328b2bdcadb6dceb198
author Jordan Rhee <jordanrh@microsoft.com> 1544567047 -0800
committer Ian Lance Taylor <iant@golang.org> 1544578551 +0000

runtime: fix profiling on windows/ARM

Fix profiling handler to get the correct g for the m being profiled.
Store a pointer to the TLS slot holding g in the thread's m. This
enables the profiling handler to get the current g for the thread,
even if the thread is executing external code or system code.

Updates #26148

Signed-off-by: Jordan Rhee <jordanrh@microsoft.com>

Change-Id: Ie061284c12341c76c7d96cc0c2d5bac969230829
Reviewed-on: https://go-review.googlesource.com/c/153718
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>