diff options
Diffstat (limited to 'erts/emulator/hipe/hipe_bif0.c')
| -rw-r--r-- | erts/emulator/hipe/hipe_bif0.c | 76 |
1 files changed, 69 insertions, 7 deletions
diff --git a/erts/emulator/hipe/hipe_bif0.c b/erts/emulator/hipe/hipe_bif0.c index cec22b3836..23ced284bf 100644 --- a/erts/emulator/hipe/hipe_bif0.c +++ b/erts/emulator/hipe/hipe_bif0.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2001-2011. All Rights Reserved. + * Copyright Ericsson AB 2001-2012. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -174,8 +174,13 @@ static inline unsigned char *bytearray_lvalue(Eterm bin, Eterm idx) { Sint i; unsigned char *bytes; +#ifndef DEBUG + ERTS_DECLARE_DUMMY(Uint bitoffs); + ERTS_DECLARE_DUMMY(Uint bitsize); +#else Uint bitoffs; Uint bitsize; +#endif if (is_not_binary(bin) || is_not_small(idx) || @@ -235,9 +240,15 @@ BIF_RETTYPE hipe_bifs_bitarray_2(BIF_ALIST_2) BIF_RETTYPE hipe_bifs_bitarray_update_3(BIF_ALIST_3) { unsigned char *bytes, bytemask; - Uint bitoffs, bitsize; Uint bitnr, bytenr; int set; +#ifndef DEBUG + ERTS_DECLARE_DUMMY(Uint bitoffs); + ERTS_DECLARE_DUMMY(Uint bitsize); +#else + Uint bitoffs; + Uint bitsize; +#endif if (is_not_binary(BIF_ARG_1)) BIF_ERROR(BIF_P, BADARG); @@ -267,8 +278,15 @@ BIF_RETTYPE hipe_bifs_bitarray_update_3(BIF_ALIST_3) BIF_RETTYPE hipe_bifs_bitarray_sub_2(BIF_ALIST_2) { unsigned char *bytes, bytemask; - Uint bitoffs, bitsize; Uint bitnr, bytenr; +#ifndef DEBUG + ERTS_DECLARE_DUMMY(Uint bitoffs); + ERTS_DECLARE_DUMMY(Uint bitsize); +#else + Uint bitoffs; + Uint bitsize; +#endif + if (is_not_binary(BIF_ARG_1)) BIF_ERROR(BIF_P, BADARG); @@ -397,10 +415,15 @@ BIF_RETTYPE hipe_bifs_enter_code_2(BIF_ALIST_2) Uint nrbytes; void *bytes; void *address; - Uint bitoffs; - Uint bitsize; Eterm trampolines; Eterm *hp; +#ifndef DEBUG + ERTS_DECLARE_DUMMY(Uint bitoffs); + ERTS_DECLARE_DUMMY(Uint bitsize); +#else + Uint bitoffs; + Uint bitsize; +#endif if (is_not_binary(BIF_ARG_1)) BIF_ERROR(BIF_P, BADARG); @@ -1070,10 +1093,8 @@ BIF_RETTYPE hipe_bifs_make_fun_3(BIF_ALIST_3) if (is_not_nil(free_vars)) BIF_ERROR(BIF_P, BADARG); -#ifndef HYBRID /* FIND ME! */ funp->next = MSO(BIF_P).funs; MSO(BIF_P).funs = funp; -#endif BIF_RET(make_fun(funp)); } @@ -1734,6 +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; @@ -1741,6 +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(); @@ -1778,6 +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. |