diff options
Diffstat (limited to 'libgo/go/runtime/runtime2.go')
| -rw-r--r-- | libgo/go/runtime/runtime2.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libgo/go/runtime/runtime2.go b/libgo/go/runtime/runtime2.go index 4f823e0..e4dfbdf 100644 --- a/libgo/go/runtime/runtime2.go +++ b/libgo/go/runtime/runtime2.go @@ -746,6 +746,12 @@ func extendRandom(r []byte, n int) { // A _defer holds an entry on the list of deferred calls. // If you add a field here, add code to clear it in freedefer. +// This struct must match the code in Defer_statement::defer_struct_type +// in the compiler. +// Some defers will be allocated on the stack and some on the heap. +// All defers are logically part of the stack, so write barriers to +// initialize them are not required. All defers must be manually scanned, +// and for heap defers, marked. type _defer struct { // The next entry in the stack. link *_defer @@ -781,6 +787,9 @@ type _defer struct { // function function will be somewhere in libffi, so __retaddr // is not useful. makefunccanrecover bool + + // Whether the _defer is heap allocated. + heap bool } // panics |