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improve macOS overriding

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This commit is contained in:
Daan 2021-11-04 18:55:12 -07:00
parent e853f530a0
commit c47de7eb90
3 changed files with 108 additions and 57 deletions
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9
src/alloc-override-osx.c
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@ -232,13 +232,16 @@ static malloc_zone_t mi_malloc_zone = {
#endif
#if defined(MI_OSX_INTERPOSE)
#if defined(MI_OSX_INTERPOSE) && defined(MI_SHARED_LIB_EXPORT)
// ------------------------------------------------------
// Override malloc_xxx and zone_xxx api's to use only
// Override malloc_xxx and malloc_zone_xxx api's to use only
// our mimalloc zone. Since even the loader uses malloc
// on macOS, this ensures that all allocations go through
// mimalloc (as all calls are interposed).
// The main `malloc`, `free`, etc calls are interposed in `alloc-override.c`,
// Here, we also override macOS specific API's like
// `malloc_zone_calloc` etc. see <https://github.com/aosm/libmalloc/blob/master/man/malloc_zone_malloc.3>
// ------------------------------------------------------
static inline malloc_zone_t* mi_get_default_zone(void)
@ -386,6 +389,8 @@ __attribute__((used)) static const struct mi_interpose_s _mi_zone_interposes[]
// ------------------------------------------------------
// hook into the zone api's without interposing
// This is the official way of adding an allocator but
// it seems less robust than using interpose.
// ------------------------------------------------------
static inline malloc_zone_t* mi_get_default_zone(void)