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add initial support for using mimalloc with address sanitizer support; use -DMI_ASAN=ON

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This commit is contained in:
Daan Leijen 2022-11-28 10:55:19 -08:00
parent 76db72814c
commit 10981ab122
5 changed files with 47 additions and 4 deletions
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2
src/alloc-aligned.c
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@ -80,7 +80,7 @@ static mi_decl_noinline void* mi_heap_malloc_zero_aligned_at_fallback(mi_heap_t*
#if MI_TRACK_ENABLED
if (p != aligned_p) {
mi_track_free(p);
mi_track_free_size(p, oversize);
mi_track_malloc(aligned_p, size, zero);
}
else {

2
src/alloc.c
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@ -697,7 +697,7 @@ void* _mi_heap_realloc_zero(mi_heap_t* heap, void* p, size_t newsize, bool zero)
const size_t size = _mi_usable_size(p,"mi_realloc"); // also works if p == NULL (with size 0)
if mi_unlikely(newsize <= size && newsize >= (size / 2) && newsize > 0) { // note: newsize must be > 0 or otherwise we return NULL for realloc(NULL,0)
// todo: adjust potential padding to reflect the new size?
mi_track_free(p);
mi_track_free_size(p, size);
mi_track_malloc(p,newsize,true);
return p; // reallocation still fits and not more than 50% waste
}

1
src/init.c
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@ -558,6 +558,7 @@ void mi_process_init(void) mi_attr_noexcept {
_mi_verbose_message("debug level : %d\n", MI_DEBUG);
#endif
_mi_verbose_message("secure level: %d\n", MI_SECURE);
_mi_verbose_message("mem tracking: %s\n", MI_TRACK_TOOL);
mi_thread_init();
#if defined(_WIN32) && !defined(MI_SHARED_LIB)