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add support for extra padding and backtraces

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This commit is contained in:
Daan Leijen 2021-12-09 14:19:41 -08:00
parent 0be71a2cac
commit a84df3795a
6 changed files with 113 additions and 24 deletions
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8
include/mimalloc-internal.h
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@ -16,6 +16,7 @@ terms of the MIT license. A copy of the license can be found in the file
#define mi_trace_message(...)
#endif
#define MI_CACHE_LINE 64
#if defined(_MSC_VER)
#pragma warning(disable:4127) // suppress constant conditional warning (due to MI_SECURE paths)
@ -51,6 +52,11 @@ void _mi_trace_message(const char* fmt, ...);
void _mi_options_init(void);
void _mi_error_message(int err, const char* fmt, ...);
#if MI_DEBUG_TRACE > 0
void _mi_stack_trace_capture(void** strace, size_t len, size_t skip);
void _mi_stack_trace_print(const void* const* strace, size_t len, const mi_block_t* block, size_t bsize, size_t avail);
#endif
// random.c
void _mi_random_init(mi_random_ctx_t* ctx);
void _mi_random_split(mi_random_ctx_t* ctx, mi_random_ctx_t* new_ctx);
@ -389,7 +395,7 @@ static inline uintptr_t _mi_ptr_cookie(const void* p) {
----------------------------------------------------------- */
static inline mi_page_t* _mi_heap_get_free_small_page(mi_heap_t* heap, size_t size) {
mi_assert_internal(size <= (MI_SMALL_SIZE_MAX + MI_PADDING_SIZE));
mi_assert_internal(size <= (MI_SMALL_SIZE_MAX));
const size_t idx = _mi_wsize_from_size(size);
mi_assert_internal(idx < MI_PAGES_DIRECT);
return heap->pages_free_direct[idx];