diff options
| -rw-r--r-- | erts/emulator/hipe/hipe_bif0.c | 41 | ||||
| -rw-r--r-- | erts/preloaded/ebin/init.beam | bin | 48292 -> 48604 bytes | |||
| -rw-r--r-- | erts/preloaded/src/init.erl | 8 | ||||
| -rw-r--r-- | lib/kernel/src/heart.erl | 4 |
4 files changed, 53 insertions, 0 deletions
diff --git a/erts/emulator/hipe/hipe_bif0.c b/erts/emulator/hipe/hipe_bif0.c index af593229c0..23ced284bf 100644 --- a/erts/emulator/hipe/hipe_bif0.c +++ b/erts/emulator/hipe/hipe_bif0.c @@ -1755,6 +1755,41 @@ BIF_RETTYPE hipe_bifs_mark_referred_from_1(BIF_ALIST_1) /* get_refs_from */ BIF_RET(NIL); } +/* Called by init:restart after unloading all hipe compiled modules + * to work around bug causing execution of deallocated beam code. + * Can be removed when delete/purge of native modules works better. + * Test: Do init:restart in debug compiled vm with hipe compiled kernel. + */ +static void hipe_purge_all_refs(void) +{ + struct hipe_mfa_info **bucket; + unsigned int i, nrbuckets; + + hipe_mfa_info_table_lock(); + + bucket = hipe_mfa_info_table.bucket; + nrbuckets = 1 << hipe_mfa_info_table.log2size; + for (i = 0; i < nrbuckets; ++i) { + while (bucket[i] != NULL) { + struct hipe_mfa_info* mfa = bucket[i]; + bucket[i] = mfa->bucket.next; + + while (mfa->refers_to) { + struct hipe_mfa_info_list *to = mfa->refers_to; + mfa->refers_to = to->next; + erts_free(ERTS_ALC_T_HIPE, to); + } + while (mfa->referred_from) { + struct ref* from = mfa->referred_from; + mfa->referred_from = from->next; + erts_free(ERTS_ALC_T_HIPE, from); + } + erts_free(ERTS_ALC_T_HIPE, mfa); + } + } + hipe_mfa_info_table_unlock(); +} + BIF_RETTYPE hipe_bifs_remove_refs_from_1(BIF_ALIST_1) { struct mfa mfa; @@ -1762,6 +1797,11 @@ BIF_RETTYPE hipe_bifs_remove_refs_from_1(BIF_ALIST_1) struct hipe_mfa_info_list *refers_to, *tmp_refers_to; struct ref **prev, *ref; + if (BIF_ARG_1 == am_all) { + hipe_purge_all_refs(); + BIF_RET(NIL); + } + if (!term_to_mfa(BIF_ARG_1, &mfa)) BIF_ERROR(BIF_P, BADARG); hipe_mfa_info_table_lock(); @@ -1799,6 +1839,7 @@ BIF_RETTYPE hipe_bifs_remove_refs_from_1(BIF_ALIST_1) BIF_RET(NIL); } + /* redirect_referred_from(CalleeMFA) * Redirect all pending-redirect refs in CalleeMFA's referred_from. * Then remove any pending-redirect && pending-remove refs from CalleeMFA's referred_from. diff --git a/erts/preloaded/ebin/init.beam b/erts/preloaded/ebin/init.beam Binary files differindex 9f2d369af2..b588b450c9 100644 --- a/erts/preloaded/ebin/init.beam +++ b/erts/preloaded/ebin/init.beam diff --git a/erts/preloaded/src/init.erl b/erts/preloaded/src/init.erl index 708991e261..185b62a899 100644 --- a/erts/preloaded/src/init.erl +++ b/erts/preloaded/src/init.erl @@ -635,8 +635,16 @@ do_unload([M|Mods]) -> catch erlang:purge_module(M), do_unload(Mods); do_unload([]) -> + purge_all_hipe_refs(), ok. +purge_all_hipe_refs() -> + case erlang:system_info(hipe_architecture) of + undefined -> ok; + _ -> hipe_bifs:remove_refs_from(all) + end. + + sub([H|T],L) -> sub(T,del(H,L)); sub([],L) -> L. diff --git a/lib/kernel/src/heart.erl b/lib/kernel/src/heart.erl index 255ae4e51b..218be964a0 100644 --- a/lib/kernel/src/heart.erl +++ b/lib/kernel/src/heart.erl @@ -18,6 +18,10 @@ %% -module(heart). +-compile(no_native). +% 'no_native' as part of a crude fix to make init:restart/0 work by clearing +% all hipe inter-module information (hipe_mfa_info's in hipe_bif0.c). + %%%-------------------------------------------------------------------- %%% This is a rewrite of pre_heart from BS.3. %%% |