diff options
| author | Daan <daanl@outlook.com> | 2021-11-04 18:55:12 -0700 |
|---|---|---|
| committer | Daan <daanl@outlook.com> | 2021-11-04 18:55:12 -0700 |
| commit | c47de7eb9090cf8c0a5f307a74437cf927a361be (patch) | |
| tree | b1b59ca81d2ba0cb081391c358bc6c1d296c41cc /src/alloc-override-osx.c | |
| parent | e853f530a0d90ae49caf17c994a61febbe80230a (diff) | |
improve macOS overriding
Diffstat (limited to 'src/alloc-override-osx.c')
| -rw-r--r-- | src/alloc-override-osx.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/alloc-override-osx.c b/src/alloc-override-osx.c index 0759f78..35b95a2 100644 --- a/src/alloc-override-osx.c +++ b/src/alloc-override-osx.c @@ -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) |