diff options
Diffstat (limited to 'src/jemalloc.c')
| -rw-r--r-- | src/jemalloc.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/jemalloc.c b/src/jemalloc.c index 535efaa..ccc3a20 100644 --- a/src/jemalloc.c +++ b/src/jemalloc.c @@ -1272,6 +1272,30 @@ JEMALLOC_P(valloc)(size_t size) } #endif +#if defined(__GLIBC__) && !defined(__UCLIBC__) +/* + * glibc provides the RTLD_DEEPBIND flag for dlopen which can make it possible + * to inconsistently reference libc's malloc(3)-compatible functions + * (https://bugzilla.mozilla.org/show_bug.cgi?id=493541). + * + * These definitions interpose hooks in glibc. The functions are actually + * passed an extra argument for the caller return address, which will be + * ignored. + */ +JEMALLOC_ATTR(visibility("default")) +void (* const __free_hook)(void *ptr) = JEMALLOC_P(free); + +JEMALLOC_ATTR(visibility("default")) +void *(* const __malloc_hook)(size_t size) = JEMALLOC_P(malloc); + +JEMALLOC_ATTR(visibility("default")) +void *(* const __realloc_hook)(void *ptr, size_t size) = JEMALLOC_P(realloc); + +JEMALLOC_ATTR(visibility("default")) +void *(* const __memalign_hook)(size_t alignment, size_t size) = + JEMALLOC_P(memalign); +#endif + #endif /* JEMALLOC_PREFIX */ /* * End non-standard override functions. |