diff options
Diffstat (limited to 'erts/emulator/beam/utils.c')
-rw-r--r-- | erts/emulator/beam/utils.c | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index 092a5320ba..9263798a28 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -3594,7 +3594,7 @@ store_external_or_ref_(Uint **hpp, ErlOffHeap* oh, Eterm ns) ErtsMRefThing *mreft = (ErtsMRefThing *) from_hp; ErtsMagicBinary *mb = mreft->mb; ASSERT(is_magic_ref_thing(from_hp)); - erts_refc_inc(&mb->refc, 2); + erts_refc_inc(&mb->intern.refc, 2); OH_OVERHEAD(oh, mb->orig_size / sizeof(Eterm)); } @@ -4835,6 +4835,53 @@ Uint64 erts_timestamp_millis(void) #endif } +void * +erts_calc_stacklimit(char *prev_c, UWord stacksize) +{ + /* + * We *don't* want this function inlined, i.e., it is + * risky to call this function from another function + * in utils.c + */ + + UWord pagesize = erts_sys_get_page_size(); + char c; + char *start; + if (&c > prev_c) { + start = (char *) ((((UWord) prev_c) / pagesize) * pagesize); + return (void *) (start + stacksize); + } + else { + start = (char *) (((((UWord) prev_c) - 1) / pagesize + 1) * pagesize); + return (void *) (start - stacksize); + } +} + +/* + * erts_check_below_limit() and + * erts_check_above_limit() are put + * in utils.c in order to prevent + * inlining. + */ + +int +erts_check_below_limit(char *ptr, char *limit) +{ + return ptr < limit; +} + +int +erts_check_above_limit(char *ptr, char *limit) +{ + return ptr > limit; +} + +void * +erts_ptr_id(void *ptr) +{ + return ptr; +} + #ifdef DEBUG /* * Handy functions when using a debugger - don't use in the code! |