diff options
Diffstat (limited to 'src/runtime/export_debug_test.go')
| -rw-r--r-- | src/runtime/export_debug_test.go | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/runtime/export_debug_test.go b/src/runtime/export_debug_test.go index 032a9b9725..fffc99d7e5 100644 --- a/src/runtime/export_debug_test.go +++ b/src/runtime/export_debug_test.go @@ -107,6 +107,10 @@ type debugCallHandler struct { } func (h *debugCallHandler) inject(info *siginfo, ctxt *sigctxt, gp2 *g) bool { + // TODO(49370): This code is riddled with write barriers, but called from + // a signal handler. Add the go:nowritebarrierrec annotation and restructure + // this to avoid write barriers. + switch h.gp.atomicstatus { case _Grunning: if getg().m != h.mp { @@ -141,7 +145,11 @@ func (h *debugCallHandler) inject(info *siginfo, ctxt *sigctxt, gp2 *g) bool { } func (h *debugCallHandler) handle(info *siginfo, ctxt *sigctxt, gp2 *g) bool { - // Sanity check. + // TODO(49370): This code is riddled with write barriers, but called from + // a signal handler. Add the go:nowritebarrierrec annotation and restructure + // this to avoid write barriers. + + // Double-check m. if getg().m != h.mp { println("trap on wrong M", getg().m, h.mp) return false |