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Merge branch 'dev-slice' into dev-slice-steal

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Daan 2024-10-27 22:20:19 -07:00
commit 471bc768e3
21 changed files with 401 additions and 190 deletions
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15
include/mimalloc/internal.h
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@ -77,6 +77,11 @@ static inline uintptr_t _mi_random_shuffle(uintptr_t x);
// init.c
extern mi_decl_cache_align mi_stats_t _mi_stats_main;
extern mi_decl_cache_align const mi_page_t _mi_page_empty;
void _mi_process_load(void);
void mi_cdecl _mi_process_done(void);
bool _mi_is_redirected(void);
bool _mi_allocator_init(const char** message);
void _mi_allocator_done(void);
bool _mi_is_main_thread(void);
size_t _mi_current_thread_count(void);
bool _mi_preloading(void); // true while the C runtime is not initialized yet
@ -704,6 +709,16 @@ static inline mi_encoded_t mi_ptr_encode(const void* null, const void* p, const
return mi_rotl(x ^ keys[1], keys[0]) + keys[0];
}
static inline uint32_t mi_ptr_encode_canary(const void* null, const void* p, const uintptr_t* keys) {
const uint32_t x = (uint32_t)(mi_ptr_encode(null,p,keys));
// make the lowest byte 0 to prevent spurious read overflows which could be a security issue (issue #951)
#ifdef MI_BIG_ENDIAN
return (x & 0x00FFFFFF);
#else
return (x & 0xFFFFFF00);
#endif
}
static inline mi_block_t* mi_block_nextx( const void* null, const mi_block_t* block, const uintptr_t* keys ) {
mi_track_mem_defined(block,sizeof(mi_block_t));
mi_block_t* next;