diff options
Diffstat (limited to 'includes/Storage.h')
| -rw-r--r-- | includes/Storage.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/includes/Storage.h b/includes/Storage.h index c9cbd9c5e9..ae066c1c9e 100644 --- a/includes/Storage.h +++ b/includes/Storage.h @@ -357,7 +357,7 @@ void dirty_MUT_VAR(StgRegTable *reg, StgClosure *p); -------------------------------------------------------------------------- */ #define LOOKS_LIKE_INFO_PTR(p) \ - (p && LOOKS_LIKE_INFO_PTR_NOT_NULL(p)) + (p && (IS_FORWARDING_PTR(p) || LOOKS_LIKE_INFO_PTR_NOT_NULL(p))) #define LOOKS_LIKE_INFO_PTR_NOT_NULL(p) \ (((StgInfoTable *)(INFO_PTR_TO_STRUCT(p)))->type != INVALID_OBJECT && \ @@ -592,4 +592,8 @@ extern StgClosure * RTS_VAR(caf_list); extern StgClosure * RTS_VAR(revertible_caf_list); extern StgTSO * RTS_VAR(resurrected_threads); +#define IS_FORWARDING_PTR(p) ((((StgWord)p) & 1) != 0) +#define MK_FORWARDING_PTR(p) (((StgWord)p) | 1) +#define UN_FORWARDING_PTR(p) (((StgWord)p) - 1) + #endif /* STORAGE_H */ |