kiper220/mimalloc
1
0
Fork 0
mirror of https://github.com/microsoft/mimalloc.git synced 2025-07-06 11:34:38 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge pull request #5 from microsoft/dev

Browse source 
add MI_PADDING flag to cmake to supress use of padding in debug mode
This commit is contained in:
synacker 2020-04-08 09:08:42 -07:00 • committed by GitHub
commit 39f9fb1fbd
WARNING! Although there is a key with this ID in the database it does not verify this commit! This commit is SUSPICIOUS.
GPG key ID: 4AEE18F83AFDEB23
6 changed files with 13 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/alloc.c
View file

@ -44,7 +44,7 @@ extern inline void* _mi_page_malloc(mi_heap_t* heap, mi_page_t* page, size_t siz
mi_heap_stat_increase(heap, normal[bin], 1);
}
#endif
#if defined(MI_PADDING) && defined(MI_ENCODE_FREELIST)
#if (MI_PADDING > 0) && defined(MI_ENCODE_FREELIST)
mi_padding_t* const padding = (mi_padding_t*)((uint8_t*)block + mi_page_usable_block_size(page));
ptrdiff_t delta = ((uint8_t*)padding - (uint8_t*)block - (size - MI_PADDING_SIZE));
mi_assert_internal(delta >= 0 && mi_page_usable_block_size(page) >= (size - MI_PADDING_SIZE + delta));
@ -203,7 +203,7 @@ static inline bool mi_check_is_double_free(const mi_page_t* page, const mi_block
// Check for heap block overflow by setting up padding at the end of the block
// ---------------------------------------------------------------------------
#if defined(MI_PADDING) && defined(MI_ENCODE_FREELIST)
#if (MI_PADDING>0) && defined(MI_ENCODE_FREELIST)
static bool mi_page_decode_padding(const mi_page_t* page, const mi_block_t* block, size_t* delta, size_t* bsize) {
*bsize = mi_page_usable_block_size(page);
const mi_padding_t* const padding = (mi_padding_t*)((uint8_t*)block + *bsize);

4
src/init.c
View file

@ -32,9 +32,9 @@ const mi_page_t _mi_page_empty = {
#define MI_PAGE_EMPTY() ((mi_page_t*)&_mi_page_empty)
#if defined(MI_PADDING) && (MI_INTPTR_SIZE >= 8)
#if (MI_PADDING>0) && (MI_INTPTR_SIZE >= 8)
#define MI_SMALL_PAGES_EMPTY { MI_INIT128(MI_PAGE_EMPTY), MI_PAGE_EMPTY(), MI_PAGE_EMPTY() }
#elif defined(MI_PADDING)
#elif (MI_PADDING>0)
#define MI_SMALL_PAGES_EMPTY { MI_INIT128(MI_PAGE_EMPTY), MI_PAGE_EMPTY(), MI_PAGE_EMPTY(), MI_PAGE_EMPTY() }
#else
#define MI_SMALL_PAGES_EMPTY { MI_INIT128(MI_PAGE_EMPTY), MI_PAGE_EMPTY() }