diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/dl-sysdep.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/dl-sysdep.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/sysdeps/unix/sysv/linux/dl-sysdep.c b/sysdeps/unix/sysv/linux/dl-sysdep.c index a1abbdcae0..18b989cc74 100644 --- a/sysdeps/unix/sysv/linux/dl-sysdep.c +++ b/sysdeps/unix/sysv/linux/dl-sysdep.c @@ -27,18 +27,16 @@ static inline void frob_brk (void) { + extern size_t _dl_pagesize; extern void _end; __brk (0); /* Initialize the break. */ if (__sbrk (0) == &_end) - { - /* The dynamic linker was run as a program, and so the initial break - starts just after our bss, at &_end. The malloc in dl-minimal.c - will consume the rest of this page, so tell the kernel to move the - break up that far. When the user program examines its break, it - will see this new value and not clobber our data. */ - size_t pg = __getpagesize (); - __sbrk (pg - ((&_end - (void *) 0) & pg)); - } + /* The dynamic linker was run as a program, and so the initial break + starts just after our bss, at &_end. The malloc in dl-minimal.c + will consume the rest of this page, so tell the kernel to move the + break up that far. When the user program examines its break, it + will see this new value and not clobber our data. */ + __sbrk (_dl_pagesize - ((&_end - (void *) 0) & _dl_pagesize)); } #include <sysdeps/generic/dl-sysdep.c> |