diff options
Diffstat (limited to 'erts/emulator/beam/external.c')
-rw-r--r-- | erts/emulator/beam/external.c | 162 |
1 files changed, 108 insertions, 54 deletions
diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c index 099eddd195..f41b61d73d 100644 --- a/erts/emulator/beam/external.c +++ b/erts/emulator/beam/external.c @@ -1489,20 +1489,28 @@ dec_pid(ErtsDistExternal *edep, Eterm** hpp, byte* ep, ErlOffHeap* off_heap, Ete static byte* enc_term(ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags) { - DECLARE_ESTACK(s); + DECLARE_WSTACK(s); Uint n; Uint i; Uint j; Uint* ptr; Eterm val; FloatDef f; +#if HALFWORD_HEAP + UWord wobj; +#endif + goto L_jump_start; outer_loop: - while (!ESTACK_ISEMPTY(s)) { - obj = ESTACK_POP(s); - switch (val = ESTACK_POP(s)) { + while (!WSTACK_ISEMPTY(s)) { +#if HALFWORD_HEAP + obj = (Eterm) (wobj = WSTACK_POP(s)); +#else + obj = WSTACK_POP(s); +#endif + switch (val = WSTACK_POP(s)) { case ENC_TERM: break; case ENC_ONE_CONS: @@ -1513,29 +1521,40 @@ enc_term(ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags) obj = CAR(cons); tl = CDR(cons); - ESTACK_PUSH(s, is_list(tl) ? ENC_ONE_CONS : ENC_TERM); - ESTACK_PUSH(s, tl); + WSTACK_PUSH(s, is_list(tl) ? ENC_ONE_CONS : ENC_TERM); + WSTACK_PUSH(s, tl); } break; case ENC_PATCH_FUN_SIZE: { +#if HALFWORD_HEAP + byte* size_p = (byte *) wobj; +#else byte* size_p = (byte *) obj; - +#endif put_int32(ep - size_p, size_p); } goto outer_loop; case ENC_LAST_ARRAY_ELEMENT: { +#if HALFWORD_HEAP + Eterm* ptr = (Eterm *) wobj; +#else Eterm* ptr = (Eterm *) obj; +#endif obj = *ptr; } break; default: /* ENC_LAST_ARRAY_ELEMENT+1 and upwards */ { +#if HALFWORD_HEAP + Eterm* ptr = (Eterm *) wobj; +#else Eterm* ptr = (Eterm *) obj; +#endif obj = *ptr++; - ESTACK_PUSH(s, val-1); - ESTACK_PUSH(s, (Eterm) ptr); + WSTACK_PUSH(s, val-1); + WSTACK_PUSH(s, (UWord) ptr); } break; } @@ -1563,8 +1582,10 @@ enc_term(ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags) put_int32(val, ep); ep += 4; } else { - Eterm tmp_big[2]; - Eterm big = small_to_big(val, tmp_big); + DeclareTmpHeapNoproc(tmp_big,2); + Eterm big; + UseTmpHeapNoproc(2); + big = small_to_big(val, tmp_big); *ep++ = SMALL_BIG_EXT; n = big_bytes(big); ASSERT(n < 256); @@ -1572,6 +1593,7 @@ enc_term(ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags) ep += 1; *ep++ = big_sign(big); ep = big_to_bytes(big, ep); + UnUseTmpHeapNoproc(2); } } break; @@ -1662,8 +1684,8 @@ enc_term(ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags) ep += 4; } if (i > 0) { - ESTACK_PUSH(s, ENC_LAST_ARRAY_ELEMENT+i-1); - ESTACK_PUSH(s, (Eterm) ptr); + WSTACK_PUSH(s, ENC_LAST_ARRAY_ELEMENT+i-1); + WSTACK_PUSH(s, (UWord) ptr); } break; @@ -1741,7 +1763,7 @@ enc_term(ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags) } case EXPORT_DEF: { - Export* exp = (Export *) (export_val(obj))[1]; + Export* exp = *((Export **) (export_val(obj) + 1)); if ((dflags & DFLAG_EXPORT_PTR_TAG) != 0) { *ep++ = EXPORT_EXT; ep = enc_atom(acmp, exp->code[0], ep, dflags); @@ -1770,8 +1792,8 @@ enc_term(ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags) int ei; *ep++ = NEW_FUN_EXT; - ESTACK_PUSH(s, ENC_PATCH_FUN_SIZE); - ESTACK_PUSH(s, (Eterm) ep); /* Position for patching in size */ + WSTACK_PUSH(s, ENC_PATCH_FUN_SIZE); + WSTACK_PUSH(s, (UWord) ep); /* Position for patching in size */ ep += 4; *ep = funp->arity; ep += 1; @@ -1788,8 +1810,8 @@ enc_term(ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags) fun_env: for (ei = funp->num_free-1; ei > 0; ei--) { - ESTACK_PUSH(s, ENC_TERM); - ESTACK_PUSH(s, funp->env[ei]); + WSTACK_PUSH(s, ENC_TERM); + WSTACK_PUSH(s, (UWord) funp->env[ei]); } if (funp->num_free != 0) { obj = funp->env[0]; @@ -1832,7 +1854,7 @@ enc_term(ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags) break; } } - DESTROY_ESTACK(s); + DESTROY_WSTACK(s); return ep; } @@ -1952,11 +1974,11 @@ dec_term(ErtsDistExternal *edep, Eterm** hpp, byte* ep, ErlOffHeap* off_heap, Et register Eterm* hp = *hpp; /* Please don't take the address of hp */ Eterm* next = objp; - *next = (Eterm) NULL; + *next = (Eterm) (UWord) NULL; while (next != NULL) { objp = next; - next = (Eterm *) (*objp); + next = (Eterm *) EXPAND_POINTER(*objp); switch (*ep++) { case INTEGER_EXT: @@ -1964,7 +1986,7 @@ dec_term(ErtsDistExternal *edep, Eterm** hpp, byte* ep, ErlOffHeap* off_heap, Et Sint sn = get_int32(ep); ep += 4; -#if defined(ARCH_64) +#if defined(ARCH_64) && !HALFWORD_HEAP *objp = make_small(sn); #else if (MY_IS_SSMALL(sn)) { @@ -2061,7 +2083,7 @@ dec_term_atom_common: hp += n; objp = hp - 1; while (n-- > 0) { - objp[0] = (Eterm) next; + objp[0] = (Eterm) COMPRESS_POINTER(next); next = objp; objp--; } @@ -2079,12 +2101,12 @@ dec_term_atom_common: *objp = make_list(hp); hp += 2*n; objp = hp - 2; - objp[0] = (Eterm) (objp+1); - objp[1] = (Eterm) next; + objp[0] = (Eterm) COMPRESS_POINTER((objp+1)); + objp[1] = (Eterm) COMPRESS_POINTER(next); next = objp; objp -= 2; while (--n > 0) { - objp[0] = (Eterm) next; + objp[0] = (Eterm) COMPRESS_POINTER(next); objp[1] = make_list(objp + 2); next = objp; objp -= 2; @@ -2238,19 +2260,26 @@ dec_term_atom_common: node = erts_find_or_insert_node(sysname, cre); if(node == erts_this_node) { RefThing *rtp = (RefThing *) hp; - hp += REF_THING_HEAD_SIZE; -#ifdef ARCH_64 + ref_num = (Uint32 *) (hp + REF_THING_HEAD_SIZE); + +#if defined(ARCH_64) && !HALFWORD_HEAP + hp += REF_THING_HEAD_SIZE + ref_words/2 + 1; rtp->header = make_ref_thing_header(ref_words/2 + 1); #else + hp += REF_THING_HEAD_SIZE + ref_words; rtp->header = make_ref_thing_header(ref_words); #endif *objp = make_internal_ref(rtp); } else { ExternalThing *etp = (ExternalThing *) hp; - hp += EXTERNAL_THING_HEAD_SIZE; - -#ifdef ARCH_64 +#if defined(ARCH_64) && !HALFWORD_HEAP + hp += EXTERNAL_THING_HEAD_SIZE + ref_words/2 + 1; +#else + hp += EXTERNAL_THING_HEAD_SIZE + ref_words; +#endif + +#if defined(ARCH_64) && !HALFWORD_HEAP etp->header = make_external_ref_header(ref_words/2 + 1); #else etp->header = make_external_ref_header(ref_words); @@ -2260,10 +2289,10 @@ dec_term_atom_common: off_heap->externals = etp; *objp = make_external_ref(etp); + ref_num = &(etp->data.ui32[0]); } - ref_num = (Uint32 *) hp; -#ifdef ARCH_64 +#if defined(ARCH_64) && !HALFWORD_HEAP *(ref_num++) = ref_words /* 32-bit arity */; #endif ref_num[0] = r0; @@ -2271,12 +2300,9 @@ dec_term_atom_common: ref_num[i] = get_int32(ep); ep += 4; } -#ifdef ARCH_64 +#if defined(ARCH_64) && !HALFWORD_HEAP if ((1 + ref_words) % 2) ref_num[ref_words] = 0; - hp += ref_words/2 + 1; -#else - hp += ref_words; #endif break; } @@ -2398,7 +2424,12 @@ dec_term_atom_common: } *objp = make_export(hp); *hp++ = HEADER_EXPORT; +#if HALFWORD_HEAP + *((UWord *) (UWord) hp) = (UWord) erts_export_get_or_make_stub(mod, name, arity); + hp += 2; +#else *hp++ = (Eterm) erts_export_get_or_make_stub(mod, name, arity); +#endif break; } break; @@ -2474,11 +2505,11 @@ dec_term_atom_common: /* Environment */ for (i = num_free-1; i >= 0; i--) { - funp->env[i] = (Eterm) next; + funp->env[i] = (Eterm) COMPRESS_POINTER(next); next = funp->env + i; } /* Creator */ - funp->creator = (Eterm) next; + funp->creator = (Eterm) COMPRESS_POINTER(next); next = &(funp->creator); break; } @@ -2549,7 +2580,7 @@ dec_term_atom_common: /* Environment */ for (i = num_free-1; i >= 0; i--) { - funp->env[i] = (Eterm) next; + funp->env[i] = (Eterm) COMPRESS_POINTER(next); next = funp->env + i; } break; @@ -2580,26 +2611,35 @@ dec_term_atom_common: static Uint encode_size_struct2(ErtsAtomCacheMap *acmp, Eterm obj, unsigned dflags) { - DECLARE_ESTACK(s); + DECLARE_WSTACK(s); Uint m, i, arity; Uint result = 0; +#if HALFWORD_HEAP + UWord wobj = 0; +#endif goto L_jump_start; outer_loop: - while (!ESTACK_ISEMPTY(s)) { - obj = ESTACK_POP(s); - + while (!WSTACK_ISEMPTY(s)) { +#if HALFWORD_HEAP + obj = (Eterm) (wobj = WSTACK_POP(s)); +#else + obj = WSTACK_POP(s); +#endif handle_popped_obj: - if (is_CP(obj)) { + if (is_CP(obj)) { /* Does not look for CP, looks for "no tag" */ +#if HALFWORD_HEAP + Eterm* ptr = (Eterm *) wobj; +#else Eterm* ptr = (Eterm *) obj; - +#endif /* * Pointer into a tuple. */ obj = *ptr--; if (!is_header(obj)) { - ESTACK_PUSH(s, (Eterm)ptr); + WSTACK_PUSH(s, (UWord)ptr); } else { /* Reached tuple header */ ASSERT(header_is_arityval(obj)); @@ -2611,7 +2651,7 @@ encode_size_struct2(ErtsAtomCacheMap *acmp, Eterm obj, unsigned dflags) tl = CDR(cons); obj = CAR(cons); - ESTACK_PUSH(s, tl); + WSTACK_PUSH(s, tl); } else if (is_nil(obj)) { result++; goto outer_loop; @@ -2650,9 +2690,11 @@ encode_size_struct2(ErtsAtomCacheMap *acmp, Eterm obj, unsigned dflags) else if (sizeof(Sint) == 4 || IS_SSMALL28(val)) result += 1 + 4; /* INTEGER_EXT */ else { - Eterm tmp_big[2]; + DeclareTmpHeapNoproc(tmp_big,2); + UseTmpHeapNoproc(2); i = big_bytes(small_to_big(val, tmp_big)); result += 1 + 1 + 1 + i; /* SMALL_BIG_EXT */ + UnUseTmpHeapNoproc(2); } } break; @@ -2698,7 +2740,11 @@ encode_size_struct2(ErtsAtomCacheMap *acmp, Eterm obj, unsigned dflags) result += 1 + 4; } ptr += arity; +#if HALFWORD_HEAP + obj = (Eterm) (wobj = (UWord) ptr); +#else obj = (Eterm) ptr; +#endif goto handle_popped_obj; } break; @@ -2740,14 +2786,14 @@ encode_size_struct2(ErtsAtomCacheMap *acmp, Eterm obj, unsigned dflags) if (is_not_list(obj)) { /* Push any non-list terms on the stack */ - ESTACK_PUSH(s, obj); + WSTACK_PUSH(s, obj); } else { /* Lists must be handled specially. */ if ((m = is_string(obj)) && (m < MAX_STRING_LEN)) { result += m + 2 + 1; } else { result += 5; - ESTACK_PUSH(s, obj); + WSTACK_PUSH(s, obj); } } } @@ -2760,8 +2806,12 @@ encode_size_struct2(ErtsAtomCacheMap *acmp, Eterm obj, unsigned dflags) case EXPORT_DEF: { - Export* ep = (Export *) (export_val(obj))[1]; + Export* ep = *((Export **) (export_val(obj) + 1)); +#if HALFWORD_HEAP + result += 2; +#else result += 1; +#endif result += encode_size_struct2(acmp, ep->code[0], dflags); result += encode_size_struct2(acmp, ep->code[1], dflags); result += encode_size_struct2(acmp, make_small(ep->code[2]), dflags); @@ -2774,7 +2824,7 @@ encode_size_struct2(ErtsAtomCacheMap *acmp, Eterm obj, unsigned dflags) } } - DESTROY_ESTACK(s); + DESTROY_WSTACK(s); return result; } @@ -2886,7 +2936,7 @@ decoded_size(byte *ep, byte* endp, int no_refc_bins) ep += 2; atom_extra_skip = 1 + 4*id_words; /* In case it is an external ref */ -#ifdef ARCH_64 +#if defined(ARCH_64) && !HALFWORD_HEAP heap_size += EXTERNAL_THING_HEAD_SIZE + id_words/2 + 1; #else heap_size += EXTERNAL_THING_HEAD_SIZE + id_words; @@ -2961,7 +3011,11 @@ decoded_size(byte *ep, byte* endp, int no_refc_bins) break; case EXPORT_EXT: terms += 3; +#if HALFWORD_HEAP + heap_size += 3; +#else heap_size += 2; +#endif break; case NEW_FUN_EXT: { |