diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/runtime/runtime2.go | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/runtime/runtime2.go b/src/runtime/runtime2.go index 3db791cb4a..e6808ac023 100644 --- a/src/runtime/runtime2.go +++ b/src/runtime/runtime2.go @@ -710,7 +710,17 @@ type _defer struct { link *_defer } -// panics +// A _panic holds information about an active panic. +// +// This is marked go:notinheap because _panic values must only ever +// live on the stack. +// +// The argp and link fields are stack pointers, but don't need special +// handling during stack growth: because they are pointer-typed and +// _panic values only live on the stack, regular stack pointer +// adjustment takes care of them. +// +//go:notinheap type _panic struct { argp unsafe.Pointer // pointer to arguments of deferred call run during panic; cannot move - known to liblink arg interface{} // argument to panic |