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-rw-r--r--erts/emulator/beam/erl_alloc_util.c57
1 files changed, 23 insertions, 34 deletions
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index 470c045ee6..b3c948c3e0 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -127,7 +127,7 @@ static Uint max_mseg_carriers;
#define UNUSED2_BLK_FTR_FLG (((UWord) 1) << 2)
#define ABLK_HDR_SZ (sizeof(Block_t))
-#define FBLK_FTR_SZ (sizeof(UWord))
+#define FBLK_FTR_SZ (sizeof(FreeBlkFtr_t))
#define UMEMSZ2BLKSZ(AP, SZ) \
(ABLK_HDR_SZ + (SZ) <= (AP)->min_block_size \
@@ -138,10 +138,10 @@ static Uint max_mseg_carriers;
#define BLK2UMEM(P) ((void *) (((char *) (P)) + ABLK_HDR_SZ))
#define PREV_BLK_SZ(B) \
- ((UWord) (((UWord *)(B))[-1] & MBC_BLK_SZ_MASK))
+ ((UWord) (((FreeBlkFtr_t *)(B))[-1] & MBC_BLK_SZ_MASK))
#define SET_BLK_SZ_FTR(B, SZ) \
- (*((UWord *) (((char *) (B)) + (SZ) - sizeof(UWord))) = (SZ))
+ (((FreeBlkFtr_t *) (((char *) (B)) + (SZ)))[-1] = (SZ))
#define THIS_FREE_BLK_HDR_FLG (((UWord) 1) << 0)
#define PREV_FREE_BLK_HDR_FLG (((UWord) 1) << 1)
@@ -187,7 +187,7 @@ static Uint max_mseg_carriers;
ASSERT((UWord)(F) < SBC_BLK_HDR_FLG), \
(B)->bhdr = ((Sz) | (F) | (BLK_CARRIER_OFFSET(B,C) << CARRIER_OFFSET_SHIFT)))
-# define GET_MB_CARRIER(B) \
+# define BLK2MBC(B) \
(ASSERT(IS_MBC_BLK(B)), \
(Carrier_t*)((MSEG_UNIT_FLOOR((UWord)(B)) - \
(((B)->bhdr >> CARRIER_OFFSET_SHIFT) << MSEG_UNIT_SHIFT))))
@@ -204,7 +204,7 @@ static Uint max_mseg_carriers;
(B)->bhdr = ((Sz) | (F)), \
(B)->carrier = (C))
-# define GET_MB_CARRIER(B) ((B)->carrier)
+# define BLK2MBC(B) ((B)->carrier)
# define IS_MBC_FIRST_BLK(AP,B) \
((char*)(B) == (char*)((B)->carrier) + (AP)->mbc_header_size)
@@ -290,15 +290,6 @@ static Uint max_mseg_carriers;
#define IS_MB_CARRIER(C) \
(!IS_SB_CARRIER((C)))
-#define SET_MSEG_CARRIER(C) \
- ((C)->chdr |= MSEG_CARRIER_HDR_FLAG)
-#define SET_SYS_ALLOC_CARRIER(C) \
- ((C)->chdr &= ~MSEG_CARRIER_HDR_FLAG)
-#define SET_SB_CARRIER(C) \
- ((C)->chdr |= SBC_CARRIER_HDR_FLAG)
-#define SET_MB_CARRIER(C) \
- ((C)->chdr &= ~SBC_CARRIER_HDR_FLAG)
-
#define SET_CARRIER_SZ(C, SZ) \
(ASSERT(((SZ) & FLG_MASK) == 0), \
((C)->chdr = ((C)->chdr & FLG_MASK) | (SZ)))
@@ -1288,7 +1279,7 @@ mbc_alloc_finalize(Allctr_t *allctr,
Uint nxt_blk_sz;
Block_t *nxt_blk;
UWord prev_free_flg = flags & PREV_FREE_BLK_HDR_FLG;
- Carrier_t* crr = GET_MB_CARRIER(blk);
+ Carrier_t* crr = BLK2MBC(blk);
ASSERT(org_blk_sz >= want_blk_sz);
ASSERT(blk);
@@ -1329,8 +1320,8 @@ mbc_alloc_finalize(Allctr_t *allctr,
ASSERT(nxt_blk_sz == MBC_BLK_SZ(nxt_blk));
ASSERT(nxt_blk_sz % sizeof(Unit_t) == 0);
ASSERT(nxt_blk_sz >= allctr->min_block_size);
- ASSERT(GET_MB_CARRIER(blk) == crr);
- ASSERT(GET_MB_CARRIER(nxt_blk) == crr);
+ ASSERT(BLK2MBC(blk) == crr);
+ ASSERT(BLK2MBC(nxt_blk) == crr);
}
else {
blk_sz = org_blk_sz;
@@ -1352,7 +1343,7 @@ mbc_alloc_finalize(Allctr_t *allctr,
ASSERT((flags & LAST_BLK_HDR_FLG)
? IS_LAST_BLK(blk)
: IS_NOT_LAST_BLK(blk));
- ASSERT(GET_MB_CARRIER(blk) == crr);
+ ASSERT(BLK2MBC(blk) == crr);
}
STAT_MBC_BLK_ALLOC(allctr, blk_sz, alcu_flgs);
@@ -1611,7 +1602,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs)
SET_BLK_SZ_FTR(nxt_blk, nxt_blk_sz);
}
- crr = GET_MB_CARRIER(blk);
+ crr = BLK2MBC(blk);
SET_MBC_BLK_HDR(nxt_blk, nxt_blk_sz,
SBH_THIS_FREE | (is_last_blk ? SBH_LAST_BLK : 0),
crr);
@@ -1635,7 +1626,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs)
ASSERT(is_last_blk ? IS_LAST_BLK(nxt_blk) : IS_NOT_LAST_BLK(nxt_blk));
ASSERT(is_last_blk || nxt_blk == PREV_BLK(NXT_BLK(nxt_blk)));
ASSERT(is_last_blk || IS_PREV_BLK_FREE(NXT_BLK(nxt_blk)));
- ASSERT(GET_MB_CARRIER(nxt_blk) == crr);
+ ASSERT(BLK2MBC(nxt_blk) == crr);
HARD_CHECK_BLK_CARRIER(allctr, blk);
@@ -1677,7 +1668,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs)
}
}
else {
- Carrier_t* crr = GET_MB_CARRIER(blk);
+ Carrier_t* crr = BLK2MBC(blk);
SET_MBC_BLK_SZ(blk, blk_sz);
nxt_blk = NXT_BLK(blk);
@@ -1691,7 +1682,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs)
(*allctr->link_free_block)(allctr, nxt_blk, alcu_flgs);
ASSERT(IS_FREE_BLK(nxt_blk));
- ASSERT(GET_MB_CARRIER(nxt_blk) == crr);
+ ASSERT(BLK2MBC(nxt_blk) == crr);
}
STAT_MBC_BLK_FREE(allctr, old_blk_sz, alcu_flgs);
@@ -1872,7 +1863,7 @@ static void CHECK_1BLK_CARRIER(Allctr_t* A, int SBC, int MSEGED, Carrier_t* C,
ASSERT(IS_MBC_FIRST_BLK(A, (B)));
ASSERT(IS_MBC_BLK((B)));
ASSERT(IS_MB_CARRIER((C)));
- ASSERT(GET_MB_CARRIER(B) == (C));
+ ASSERT(BLK2MBC(B) == (C));
}
if ((MSEGED)) {
ASSERT(IS_MSEG_CARRIER((C)));
@@ -1910,7 +1901,7 @@ create_sbmbc(Allctr_t *allctr, Uint umem_sz)
blk_sz = UNIT_FLOOR(crr_sz - allctr->mbc_header_size);
- SET_MBC_BLK_FTR(((UWord *) blk)[-1]);
+ SET_MBC_BLK_FTR(((FreeBlkFtr_t *) blk)[-1]);
SET_MBC_BLK_HDR(blk, blk_sz, SBH_THIS_FREE|SBH_LAST_BLK, crr);
link_carrier(&allctr->sbmbc_list, crr);
@@ -2093,7 +2084,7 @@ create_carrier(Allctr_t *allctr, Uint umem_sz, UWord flags)
blk = SBC2BLK(allctr, crr);
- SET_SBC_BLK_FTR(((UWord *) blk)[-1]);
+ SET_SBC_BLK_FTR(((FreeBlkFtr_t *) blk)[-1]);
SET_SBC_BLK_HDR(blk, blk_sz);
link_carrier(&allctr->sbc_list, crr);
@@ -2113,7 +2104,7 @@ create_carrier(Allctr_t *allctr, Uint umem_sz, UWord flags)
blk_sz = UNIT_FLOOR(crr_sz - allctr->mbc_header_size);
- SET_MBC_BLK_FTR(((UWord *) blk)[-1]);
+ SET_MBC_BLK_FTR(((FreeBlkFtr_t *) blk)[-1]);
SET_MBC_BLK_HDR(blk, blk_sz, SBH_THIS_FREE|SBH_LAST_BLK, crr);
if (flags & CFLG_MAIN_CARRIER) {
@@ -4139,7 +4130,7 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
if (allctr->min_block_size < ABLK_HDR_SZ)
goto error;
allctr->min_block_size = UNIT_CEILING(allctr->min_block_size
- + sizeof(UWord));
+ + sizeof(FreeBlkFtr_t));
#if ERTS_SMP
if (init->tpref) {
Uint sz = sizeof(Block_t);
@@ -4470,14 +4461,14 @@ check_blk_carrier(Allctr_t *allctr, Block_t *iblk)
blk = iblk;
tot_blk_sz = 0;
- crr = GET_MB_CARRIER(blk);
+ crr = BLK2MBC(blk);
ASSERT(IS_MB_CARRIER(crr));
/* Step around the carrier one whole lap starting at 'iblk'
*/
while (1) {
ASSERT(IS_MBC_BLK(blk));
- ASSERT(GET_MB_CARRIER(blk) == crr);
+ ASSERT(BLK2MBC(blk) == crr);
if (prev_blk) {
ASSERT(NXT_BLK(prev_blk) == blk);
@@ -4507,11 +4498,9 @@ check_blk_carrier(Allctr_t *allctr, Block_t *iblk)
tot_blk_sz += blk_sz;
is_free_blk = (int) IS_FREE_BLK(blk);
- if(is_free_blk) {
- if (IS_NOT_LAST_BLK(blk))
- ASSERT(*((UWord *) (((char *) blk)+blk_sz-sizeof(UWord)))
- == blk_sz);
- }
+ ASSERT(!is_free_blk
+ || IS_LAST_BLK(blk)
+ || PREV_BLK_SZ(((char *) blk)+blk_sz) == blk_sz);
if (allctr->check_block)
(*allctr->check_block)(allctr, blk, (int) is_free_blk);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 04:08:04 +0000