diff options
Diffstat (limited to 'include/alloca.h')
-rw-r--r-- | include/alloca.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/alloca.h b/include/alloca.h index 563d7868bd..7d243fd4ac 100644 --- a/include/alloca.h +++ b/include/alloca.h @@ -46,4 +46,17 @@ extern int __libc_alloca_cutoff (size_t size) __attribute__ ((const)); __alloca (((len) = (newlen))) #endif +#if defined stackinfo_get_sp && defined stackinfo_sub_sp +# define alloca_account(size, avar) \ + ({ void *old__ = stackinfo_get_sp (); \ + void *m__ = __alloca (size); \ + avar += stackinfo_sub_sp (old__); \ + m__; }) +#else +# define alloca_account(size, avar) \ + ({ size_t s__ = (size); \ + avar += size__; \ + __alloca (size__); }) +#endif + #endif |