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merge from dev, add decl_hidden for better codegen on page_map loading

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daanx 2024-12-26 10:37:51 -08:00
commit 8b6eb4752b
1 changed files with 9 additions and 5 deletions
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14
include/mimalloc/internal.h
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@ -31,16 +31,19 @@ terms of the MIT license. A copy of the license can be found in the file
#define mi_decl_thread __declspec(thread)
#define mi_decl_align(a) __declspec(align(a))
#define mi_decl_weak
#define mi_decl_hidden
#elif (defined(__GNUC__) && (__GNUC__ >= 3)) || defined(__clang__) // includes clang and icc
#define mi_decl_noinline __attribute__((noinline))
#define mi_decl_thread __thread
#define mi_decl_align(a) __attribute__((aligned(a)))
#define mi_decl_weak __attribute__((weak))
#define mi_decl_hidden __attribute__((visibility("hidden")))
#else
#define mi_decl_noinline
#define mi_decl_thread __thread // hope for the best :-)
#define mi_decl_align(a)
#define mi_decl_weak
#define mi_decl_hidden
#endif
#define mi_decl_cache_align mi_decl_align(64)
@ -90,8 +93,9 @@ uintptr_t _mi_os_random_weak(uintptr_t extra_seed);
static inline uintptr_t _mi_random_shuffle(uintptr_t x);
// init.c
extern mi_decl_cache_align const mi_page_t _mi_page_empty;
extern mi_decl_hidden 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);
@ -417,7 +421,7 @@ static inline bool mi_count_size_overflow(size_t count, size_t size, size_t* tot
Heap functions
------------------------------------------------------------------------------------------- */
extern const mi_heap_t _mi_heap_empty; // read-only empty heap, initial value of the thread local default heap
extern mi_decl_hidden const mi_heap_t _mi_heap_empty; // read-only empty heap, initial value of the thread local default heap
static inline bool mi_heap_is_backing(const mi_heap_t* heap) {
return (heap->tld->heap_backing == heap);
@ -452,7 +456,7 @@ static inline mi_page_t* _mi_heap_get_free_small_page(mi_heap_t* heap, size_t si
// flat page-map committed on demand, using one byte per slice (64 KiB).
// single indirection and low commit, but large initial virtual reserve (4 GiB with 48 bit virtual addresses)
// used by default on <= 40 bit virtual address spaces.
extern uint8_t* _mi_page_map;
extern mi_decl_hidden uint8_t* _mi_page_map;
static inline size_t _mi_page_map_index(const void* p) {
return (size_t)((uintptr_t)p >> MI_ARENA_SLICE_SHIFT);
@ -489,7 +493,7 @@ static inline mi_page_t* _mi_unchecked_ptr_page(const void* p) {
#define MI_PAGE_MAP_SHIFT (MI_MAX_VABITS - MI_PAGE_MAP_SUB_SHIFT - MI_ARENA_SLICE_SHIFT)
#define MI_PAGE_MAP_COUNT (MI_ZU(1) << MI_PAGE_MAP_SHIFT)
extern mi_page_t*** _mi_page_map;
extern mi_decl_hidden mi_page_t*** _mi_page_map;
static inline size_t _mi_page_map_index(const void* p, size_t* sub_idx) {
const size_t u = (size_t)((uintptr_t)p / MI_ARENA_SLICE_SIZE);
@ -1007,7 +1011,7 @@ static inline uintptr_t _mi_random_shuffle(uintptr_t x) {
int _mi_os_numa_node_get(void);
size_t _mi_os_numa_node_count_get(void);
extern _Atomic(size_t) _mi_numa_node_count;
extern mi_decl_hidden _Atomic(size_t) _mi_numa_node_count;
static inline int _mi_os_numa_node(void) {
if mi_likely(mi_atomic_load_relaxed(&_mi_numa_node_count) == 1) { return 0; }
else return _mi_os_numa_node_get();