145 commits

Author	SHA1	Message	Date
daan	ca13e9cd59	better instruction scheduling for alloc	2020-10-15 19:46:33 -07:00
daan	6279835976	fix unused parameter warning	2020-10-11 13:22:14 -07:00
daan	7114d5424a	fix statistics to include padding correctly (issue #301)	2020-10-11 13:14:43 -07:00
daan	44d030ba9d	fuse used decrement with test for slightly better codegen	2020-09-24 16:28:25 -07:00
daan	900c97664a	merge from dev-atomic	2020-09-03 09:47:01 -07:00
daan	b4825372ab	small compilation warning fixes (extra semicolon etc)	2020-08-29 19:30:38 -07:00
daan	ef8e5d18a6	replace atomics with C11/C++ atomics with explicit memory order; passes tsan. Issue #130	2020-07-26 18:01:33 -07:00
daan	a468430772	strengthen memory order of bit operations; insert memory fences	2020-07-26 14:19:30 -07:00
daan	09ade02429	bring inline with C11 atomics; no volatile and cas order of expected/desired	2020-07-25 22:52:27 -07:00
daan	8769082d63	add pointer validity check in debug mode for mi_usable_size/mi_realloc/mi_expand. Issue #269	2020-07-20 14:33:03 -07:00
Haneef Mubarak	429025634e	resolve #201 with a platform-selective REP MOVSB implementation	2020-05-26 16:04:28 -07:00
daan	e31298bdc3	fix compiler warning in secure mode	2020-04-20 18:04:09 -07:00
daan	1116c0df2e	fix strnlen do not search beyond n characters, issue #228	2020-04-14 17:42:30 -07:00
daan	69a0846478	add MI_PADDING flag to cmake to supress use of padding in debug mode	2020-04-07 10:01:18 -07:00
Daan	1ece3ff6aa	Merge pull request #220 from cormacrelf/usable_size ... Don't call mi_page_usable_size_of with an aligned pointer	2020-04-06 08:05:34 -07:00
Cormac Relf	0047b271f7	Call mi_page_usable_size_of with unaligned block rather than start of aligned memory	2020-04-06 22:50:21 +10:00
daan	ec61224db0	fix padding issue with zero sized allocation (issue #209)	2020-02-18 20:05:30 -08:00
daan	baf08e8d54	fix size check on overflow when padding is enabled in debug mode	2020-02-17 09:59:34 -08:00
daan	f42b8526d0	fix wrong __declspec(restrict) and __attribute__((malloc)) attributes on reallocation functions	2020-02-13 10:36:39 -08:00
daan	f3c47c7c91	improved malloc zone handling on macOSX (not working yet)	2020-02-02 21:03:09 -08:00
daan	60cfc623be	fix zero initialization of blocks under 8 bytes when padding check is active	2020-02-01 14:29:12 -08:00
daan	edff9d4fbb	merge from dev-win (padding)	2020-02-01 12:32:59 -08:00
daan	aa68b8cbc7	improve encoding of padding canary and buffer overflow detection	2020-02-01 12:16:37 -08:00
daan	40f1e1e07b	byte-precise heap block overflow checking with encoded padding	2020-01-31 23:39:51 -08:00
daan	68112a2751	better padding implementation, more precise statistics	2020-01-31 20:34:24 -08:00
daan	4531367de2	fix padding check for aligned allocation; improve perf for small aligned allocations	2020-01-31 13:20:02 -08:00
daan	a7c69ccbea	fix stat accounting of segments with huge blocks	2020-01-30 06:25:42 -08:00
daan	7ff3ec2bf7	use EFAULT for buffer overflow and call abort in debug mode (as well as secure mode)	2020-01-29 17:25:40 -08:00
daan	5d212d688f	add MI_PADDING build option to add padding to each block to detect heap block overflows	2020-01-29 17:10:57 -08:00
daan	0316859e06	improve codegen for mi_free	2020-01-23 10:03:03 -08:00
daan	e3b16fe4ef	reduce type casts in atomic operations	2020-01-22 19:44:54 -08:00
daan	3957b2fd28	add mi_new_realloc(n) to support C++ style reallocation that raises std::bad_alloc on out-of-memory	2020-01-20 15:41:56 -08:00
daan	e8d7c80c74	fix build warnings on linux	2020-01-19 17:33:36 -08:00
daan	41e717c2e0	fix assertion in mi_block_zero_init (issue #194)	2020-01-18 20:30:12 -08:00
daan	dc58388968	Add ability to register custom error function called on various error conditions; including ENOMEM	2020-01-17 19:59:55 -08:00
daan	6dd636d82d	improve STL allocator using mi_new_n and removing unused parameter names; follow up from pr #193 and #188	2020-01-17 15:41:52 -08:00
daan	7a9502973d	rearrange STL allocator code: remove pragma, ifdef for C++11	2020-01-16 15:57:11 -08:00
daan	4e91eab8fc	specialize mi_mallocn for count=1	2020-01-16 14:12:37 -08:00
daan	0099707af9	use delayed free for all pages; reduce size of the page structure for improved address calculation	2020-01-15 17:19:01 -08:00
daan	d596f08569	fix thread_free read in assertion	2020-01-03 22:06:27 -08:00
daan	9629a0190f	fix eager commit on large pages (issue #182)	2020-01-02 17:25:00 -08:00
daan	fc3e537bd4	improve double free detection with faster same page check	2019-12-28 15:28:13 -08:00
daan	e3391d9a53	stronger encoding of free lists using two keys per page	2019-12-28 00:57:42 -08:00
daan	74dbfc30be	improved security by encoding NULL values; double free mitigation on by default; more precise free list corruption detection	2019-11-21 15:21:23 -08:00
Daan Leijen	4d4a2885f5	use atomic read/write on the page->heap field where concurrent interaction is possible	2019-11-20 13:19:17 -08:00
daan	b052d3b731	enable double free and heap corruption detection in debug mode	2019-10-28 15:54:33 -07:00
daan	28d4ec4c5a	fix statistics accounting of huge pages	2019-10-28 13:14:14 -07:00
daan	25246070ae	fix double free check in secure = 4 mode; inline _mi_ptr_cookie	2019-10-19 08:34:18 -07:00
daan	2affdbbd2e	stronger secure mode when defining MI_SECURE=4: checks for double free, corrupted free list, and invalid pointer frees. Performance is impacted but not too much -- more perf testing is needed	2019-10-18 18:11:04 -07:00
daan	5de851a84d	update page_flags to have more portable definition	2019-10-17 16:48:16 -07:00