diff options
author | Björn-Egil Dahlberg <[email protected]> | 2015-03-31 18:20:31 +0200 |
---|---|---|
committer | Björn-Egil Dahlberg <[email protected]> | 2015-03-31 18:47:59 +0200 |
commit | 7556ab9ee0949c94e13d1ccfc6c7755637730be4 (patch) | |
tree | 652065dc35d9ccbbed5451b3b0d3f60b58eaefe9 /erts/emulator/beam | |
parent | 71a2a9e102fdcc904cf81dc6369663d79bbfc54a (diff) | |
download | otp-7556ab9ee0949c94e13d1ccfc6c7755637730be4.tar.gz otp-7556ab9ee0949c94e13d1ccfc6c7755637730be4.tar.bz2 otp-7556ab9ee0949c94e13d1ccfc6c7755637730be4.zip |
erts: Use halfword secure tmp heap
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r-- | erts/emulator/beam/erl_map.c | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/erts/emulator/beam/erl_map.c b/erts/emulator/beam/erl_map.c index ab40f47919..2e31718629 100644 --- a/erts/emulator/beam/erl_map.c +++ b/erts/emulator/beam/erl_map.c @@ -392,12 +392,11 @@ static Eterm hashmap_from_validated_list(Process *p, Eterm list, Uint size) { Eterm item = list; Eterm *hp; Eterm *kv, res; - Eterm tmp[2]; Uint32 sw, hx; Uint ix = 0; hxnode_t *hxns; ErtsHeapFactory factory; - + DeclareTmpHeap(tmp,2,p); ASSERT(size > 0); hp = HAlloc(p, (2 * size)); @@ -405,6 +404,7 @@ static Eterm hashmap_from_validated_list(Process *p, Eterm list, Uint size) { /* create tmp hx values and leaf ptrs */ hxns = (hxnode_t *)erts_alloc(ERTS_ALC_T_TMP, size * sizeof(hxnode_t)); + UseTmpHeap(2,p); while(is_list(item)) { res = CAR(list_val(item)); kv = tuple_val(res); @@ -417,6 +417,7 @@ static Eterm hashmap_from_validated_list(Process *p, Eterm list, Uint size) { ix++; item = CDR(list_val(item)); } + UnUseTmpHeap(2,p); factory.p = p; res = hashmap_from_unsorted_array(&factory, hxns, size, 0); @@ -625,9 +626,9 @@ static Eterm hashmap_from_sorted_unique_array(ErtsHeapFactory* factory, Uint i,ix,jx,elems; Uint32 sw, hx; Eterm val; - Eterm th[2]; hxnode_t *tmp; - + DeclareTmpHeapNoproc(th,2); + UseTmpHeapNoproc(2); ASSERT(lvl < 32); ix = 0; elems = 1; @@ -665,6 +666,7 @@ static Eterm hashmap_from_sorted_unique_array(ErtsHeapFactory* factory, ERTS_FACTORY_HOLE_CHECK(factory); + UnUseTmpHeapNoproc(2); return res; } @@ -1099,12 +1101,13 @@ static Eterm hashmap_merge(Process *p, Eterm nodeA, Eterm nodeB) { struct HashmapMergePStackType* sp = PSTACK_PUSH(s); Eterm *hp, *nhp; Eterm hdrA, hdrB; - Eterm th[2]; Uint32 ahx, bhx; Uint size; /* total key-value counter */ int keepA = 0; - unsigned lvl = 0; + unsigned int lvl = 0; + DeclareTmpHeap(th,2,p); Eterm res = THE_NON_VALUE; + UseTmpHeap(2,p); /* * Strategy: Do depth-first traversal of both trees (at the same time) @@ -1297,6 +1300,7 @@ recurse: res = make_boxed(nhp); } PSTACK_DESTROY(s); + UnUseTmpHeap(2,p); return res; } @@ -1315,8 +1319,9 @@ static int hash_cmp(Uint32 ha, Uint32 hb) int hashmap_key_hash_cmp(Eterm* ap, Eterm* bp) { - Eterm th[2]; - unsigned lvl = 0; + unsigned int lvl = 0; + DeclareTmpHeapNoproc(th,2); + UseTmpHeapNoproc(2); if (ap && bp) { ASSERT(CMP_TERM(CAR(ap), CAR(bp)) != 0); @@ -1324,11 +1329,14 @@ int hashmap_key_hash_cmp(Eterm* ap, Eterm* bp) Uint32 ha = hashmap_restore_hash(th, lvl, CAR(ap)); Uint32 hb = hashmap_restore_hash(th, lvl, CAR(bp)); int cmp = hash_cmp(ha, hb); - if (cmp) + if (cmp) { + UnUseTmpHeapNoproc(2); return cmp; + } lvl += 8; } } + UnUseTmpHeapNoproc(2); return ap ? -1 : 1; } @@ -1901,13 +1909,14 @@ int erts_hashmap_insert_down(Uint32 hx, Eterm key, Eterm node, Uint *sz, Uint *update_size, ErtsEStack *sp, int is_update) { Eterm *ptr; Eterm hdr, ckey; - Eterm th[2]; Uint32 ix, cix, bp, hval, chx; Uint slot, lvl = 0, clvl; Uint size = 0, n = 0; + DeclareTmpHeapNoproc(th,2); *update_size = 1; + UseTmpHeapNoproc(2); for (;;) { switch(primary_tag(node)) { case TAG_PRIMARY_LIST: /* LEAF NODE [K|V] */ @@ -1918,6 +1927,7 @@ int erts_hashmap_insert_down(Uint32 hx, Eterm key, Eterm node, Uint *sz, goto unroll; } if (is_update) { + UnUseTmpHeapNoproc(2); return 0; } goto insert_subnodes; @@ -1953,6 +1963,7 @@ int erts_hashmap_insert_down(Uint32 hx, Eterm key, Eterm node, Uint *sz, } /* not occupied */ if (is_update) { + UnUseTmpHeapNoproc(2); return 0; } size += HAMT_NODE_BITMAP_SZ(n+1); @@ -1976,6 +1987,7 @@ int erts_hashmap_insert_down(Uint32 hx, Eterm key, Eterm node, Uint *sz, } /* not occupied */ if (is_update) { + UnUseTmpHeapNoproc(2); return 0; } size += HAMT_HEAD_BITMAP_SZ(n+1); @@ -2009,6 +2021,7 @@ insert_subnodes: unroll: *sz = size + /* res cons */ 2; + UnUseTmpHeapNoproc(2); return 1; } @@ -2151,13 +2164,14 @@ static Eterm hashmap_values(Process* p, Eterm node) { static Eterm hashmap_delete(Process *p, Uint32 hx, Eterm key, Eterm map) { Eterm *hp = NULL, *nhp = NULL, *hp_end = NULL; - Eterm th[2]; Eterm *ptr; Eterm hdr, res = map, node = map; Uint32 ix, bp, hval; Uint slot, lvl = 0; Uint size = 0, n = 0; DECLARE_ESTACK(stack); + DeclareTmpHeapNoproc(th,2); + UseTmpHeapNoproc(2); for (;;) { switch(primary_tag(node)) { @@ -2268,6 +2282,7 @@ unroll: erts_validate_and_sort_flatmap(mp); DESTROY_WSTACK(wstack); + UnUseTmpHeapNoproc(2); return make_flatmap(mp); } @@ -2408,6 +2423,7 @@ not_found: DESTROY_ESTACK(stack); ERTS_VERIFY_UNUSED_TEMP_ALLOC(p); ERTS_HOLE_CHECK(p); + UnUseTmpHeapNoproc(2); return res; } |