diff options
Diffstat (limited to 'lib/bcheck.c')
| -rw-r--r-- | lib/bcheck.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/bcheck.c b/lib/bcheck.c index 48d7606..700ceda 100644 --- a/lib/bcheck.c +++ b/lib/bcheck.c @@ -638,6 +638,9 @@ static unsigned long get_region_size(void *p) /* patched memory functions */ +/* force compiler to perform stores coded up to this point */ +#define barrier() __asm__ __volatile__ ("": : : "memory") + static void install_malloc_hooks(void) { #ifdef CONFIG_TCC_MALLOC_HOOKS @@ -649,6 +652,8 @@ static void install_malloc_hooks(void) __free_hook = __bound_free; __realloc_hook = __bound_realloc; __memalign_hook = __bound_memalign; + + barrier(); #endif } @@ -659,6 +664,8 @@ static void restore_malloc_hooks(void) __free_hook = saved_free_hook; __realloc_hook = saved_realloc_hook; __memalign_hook = saved_memalign_hook; + + barrier(); #endif } |