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-rw-r--r--erts/emulator/beam/external.c95
1 files changed, 34 insertions, 61 deletions
diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c
index ffe3303796..10f03636ec 100644
--- a/erts/emulator/beam/external.c
+++ b/erts/emulator/beam/external.c
@@ -967,19 +967,24 @@ erts_decode_dist_ext(ErtsHeapFactory* factory,
return THE_NON_VALUE;
}
-Eterm erts_decode_ext(ErtsHeapFactory* factory, byte **ext)
+Eterm erts_decode_ext(ErtsHeapFactory* factory, byte **ext, Uint32 flags)
{
+ ErtsDistExternal ede, *edep;
Eterm obj;
byte *ep = *ext;
if (*ep++ != VERSION_MAGIC) {
erts_factory_undo(factory);
return THE_NON_VALUE;
}
- ep = dec_term(NULL, factory, ep, &obj, NULL);
+ if (flags) {
+ ASSERT(flags == ERTS_DIST_EXT_BTT_SAFE);
+ ede.flags = flags; /* a dummy struct just for the flags */
+ edep = &ede;
+ } else {
+ edep = NULL;
+ }
+ ep = dec_term(edep, factory, ep, &obj, NULL);
if (!ep) {
-#ifdef DEBUG
- bin_write(ERTS_PRINT_STDERR,NULL,*ext,500);
-#endif
return THE_NON_VALUE;
}
*ext = ep;
@@ -2339,10 +2344,6 @@ enc_term_int(TTBEncodeContext* ctx, ErtsAtomCacheMap *acmp, Eterm obj, byte* ep,
Eterm val;
FloatDef f;
Sint r = 0;
-#if HALFWORD_HEAP
- UWord wobj;
-#endif
-
if (ctx) {
WSTACK_CHANGE_ALLOCATOR(s, ERTS_ALC_T_SAVED_ESTACK);
@@ -2362,11 +2363,8 @@ enc_term_int(TTBEncodeContext* ctx, ErtsAtomCacheMap *acmp, Eterm obj, byte* ep,
outer_loop:
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;
@@ -2384,11 +2382,7 @@ enc_term_int(TTBEncodeContext* ctx, ErtsAtomCacheMap *acmp, Eterm obj, byte* ep,
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;
@@ -2435,21 +2429,13 @@ enc_term_int(TTBEncodeContext* ctx, ErtsAtomCacheMap *acmp, Eterm obj, byte* ep,
case ENC_LAST_ARRAY_ELEMENT:
/* obj is the tuple */
{
-#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++;
WSTACK_PUSH2(s, val-1, (UWord)ptr);
}
@@ -2976,7 +2962,7 @@ dec_term(ErtsDistExternal *edep,
case B2TDecodeList:
objp = next - 2;
while (n > 0) {
- objp[0] = (Eterm) COMPRESS_POINTER(next);
+ objp[0] = (Eterm) next;
objp[1] = make_list(next);
next = objp;
objp -= 2;
@@ -2987,7 +2973,7 @@ dec_term(ErtsDistExternal *edep,
case B2TDecodeTuple:
objp = next - 1;
while (n-- > 0) {
- objp[0] = (Eterm) COMPRESS_POINTER(next);
+ objp[0] = (Eterm) next;
next = objp;
objp--;
}
@@ -3043,7 +3029,7 @@ dec_term(ErtsDistExternal *edep,
while (next != NULL) {
objp = next;
- next = (Eterm *) EXPAND_POINTER(*objp);
+ next = (Eterm *) *objp;
switch (*ep++) {
case INTEGER_EXT:
@@ -3051,7 +3037,7 @@ dec_term(ErtsDistExternal *edep,
Sint sn = get_int32(ep);
ep += 4;
-#if defined(ARCH_64) && !HALFWORD_HEAP
+#if defined(ARCH_64)
*objp = make_small(sn);
#else
if (MY_IS_SSMALL(sn)) {
@@ -3174,7 +3160,7 @@ dec_term_atom_common:
reds -= n;
}
while (n-- > 0) {
- objp[0] = (Eterm) COMPRESS_POINTER(next);
+ objp[0] = (Eterm) next;
next = objp;
objp--;
}
@@ -3192,8 +3178,8 @@ dec_term_atom_common:
*objp = make_list(hp);
hp += 2 * n;
objp = hp - 2;
- objp[0] = (Eterm) COMPRESS_POINTER((objp+1));
- objp[1] = (Eterm) COMPRESS_POINTER(next);
+ objp[0] = (Eterm) (objp+1);
+ objp[1] = (Eterm) next;
next = objp;
objp -= 2;
n--;
@@ -3206,7 +3192,7 @@ dec_term_atom_common:
reds -= n;
}
while (n > 0) {
- objp[0] = (Eterm) COMPRESS_POINTER(next);
+ objp[0] = (Eterm) next;
objp[1] = make_list(next);
next = objp;
objp -= 2;
@@ -3373,7 +3359,7 @@ dec_term_atom_common:
RefThing *rtp = (RefThing *) hp;
ref_num = (Uint32 *) (hp + REF_THING_HEAD_SIZE);
-#if defined(ARCH_64) && !HALFWORD_HEAP
+#if defined(ARCH_64)
hp += REF_THING_HEAD_SIZE + ref_words/2 + 1;
rtp->header = make_ref_thing_header(ref_words/2 + 1);
#else
@@ -3384,13 +3370,13 @@ dec_term_atom_common:
}
else {
ExternalThing *etp = (ExternalThing *) hp;
-#if defined(ARCH_64) && !HALFWORD_HEAP
+#if defined(ARCH_64)
hp += EXTERNAL_THING_HEAD_SIZE + ref_words/2 + 1;
#else
hp += EXTERNAL_THING_HEAD_SIZE + ref_words;
#endif
-#if defined(ARCH_64) && !HALFWORD_HEAP
+#if defined(ARCH_64)
etp->header = make_external_ref_header(ref_words/2 + 1);
#else
etp->header = make_external_ref_header(ref_words);
@@ -3403,7 +3389,7 @@ dec_term_atom_common:
ref_num = &(etp->data.ui32[0]);
}
-#if defined(ARCH_64) && !HALFWORD_HEAP
+#if defined(ARCH_64)
*(ref_num++) = ref_words /* 32-bit arity */;
#endif
ref_num[0] = r0;
@@ -3411,7 +3397,7 @@ dec_term_atom_common:
ref_num[i] = get_int32(ep);
ep += 4;
}
-#if defined(ARCH_64) && !HALFWORD_HEAP
+#if defined(ARCH_64)
if ((1 + ref_words) % 2)
ref_num[ref_words] = 0;
#endif
@@ -3563,12 +3549,7 @@ 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;
@@ -3604,8 +3585,8 @@ dec_term_atom_common:
*objp = make_flatmap(mp);
for (n = size; n; n--) {
- *vptr = (Eterm) COMPRESS_POINTER(next);
- *kptr = (Eterm) COMPRESS_POINTER(vptr);
+ *vptr = (Eterm) next;
+ *kptr = (Eterm) vptr;
next = kptr;
vptr--;
kptr--;
@@ -3619,8 +3600,8 @@ dec_term_atom_common:
hamt->leaf_array = hp;
for (n = size; n; n--) {
- CDR(hp) = (Eterm) COMPRESS_POINTER(next);
- CAR(hp) = (Eterm) COMPRESS_POINTER(&CDR(hp));
+ CDR(hp) = (Eterm) next;
+ CAR(hp) = (Eterm) &CDR(hp);
next = &CAR(hp);
hp += 2;
}
@@ -3697,11 +3678,11 @@ dec_term_atom_common:
/* Environment */
for (i = num_free-1; i >= 0; i--) {
- funp->env[i] = (Eterm) COMPRESS_POINTER(next);
+ funp->env[i] = (Eterm) next;
next = funp->env + i;
}
/* Creator */
- funp->creator = (Eterm) COMPRESS_POINTER(next);
+ funp->creator = (Eterm) next;
next = &(funp->creator);
break;
}
@@ -3770,7 +3751,7 @@ dec_term_atom_common:
/* Environment */
for (i = num_free-1; i >= 0; i--) {
- funp->env[i] = (Eterm) COMPRESS_POINTER(next);
+ funp->env[i] = (Eterm) next;
next = funp->env + i;
}
break;
@@ -3897,7 +3878,7 @@ dec_term_atom_common:
}
WSTACK_DESTROY(flat_maps);
- ASSERT((Eterm*)EXPAND_POINTER(*dbg_resultp) != NULL);
+ ASSERT((Eterm*)*dbg_resultp != NULL);
if (ctx) {
ctx->state = B2TDone;
@@ -4190,11 +4171,7 @@ encode_size_struct_int(TTBSizeContext* ctx, ErtsAtomCacheMap *acmp, Eterm obj,
case EXPORT_DEF:
{
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);
@@ -4309,7 +4286,7 @@ init_done:
switch (tag) {
case INTEGER_EXT:
SKIP(4);
-#if !defined(ARCH_64) || HALFWORD_HEAP
+#if !defined(ARCH_64)
heap_size += BIG_UINT_HEAP_SIZE;
#endif
break;
@@ -4398,7 +4375,7 @@ init_done:
ep += 2;
atom_extra_skip = 1 + 4*id_words;
/* In case it is an external ref */
-#if defined(ARCH_64) && !HALFWORD_HEAP
+#if defined(ARCH_64)
heap_size += EXTERNAL_THING_HEAD_SIZE + id_words/2 + 1;
#else
heap_size += EXTERNAL_THING_HEAD_SIZE + id_words;
@@ -4484,11 +4461,7 @@ init_done:
break;
case EXPORT_EXT:
terms += 3;
-#if HALFWORD_HEAP
- heap_size += 3;
-#else
heap_size += 2;
-#endif
break;
case NEW_FUN_EXT:
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 21:56:38 +0000