diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/brk.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/brk.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/brk.c b/sysdeps/unix/sysv/linux/i386/brk.c index 5bb9d59d5c..e528b9bf39 100644 --- a/sysdeps/unix/sysv/linux/i386/brk.c +++ b/sysdeps/unix/sysv/linux/i386/brk.c @@ -1,5 +1,5 @@ /* brk system call for Linux/i386. - Copyright (C) 1995, 1996 Free Software Foundation, Inc. + Copyright (C) 1995, 1996, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -21,6 +21,8 @@ #include <unistd.h> #include <sysdep.h> +#include <bp-checks.h> + /* This must be initialized data because commons can't have aliases. */ void *__curbrk = 0; @@ -32,14 +34,14 @@ weak_alias (__curbrk, ___brk_addr) int __brk (void *addr) { - void *newbrk, *scratch; + void *__unbounded newbrk, *__unbounded scratch; asm ("movl %%ebx, %1\n" /* Save %ebx in scratch register. */ "movl %3, %%ebx\n" /* Put ADDR in %ebx to be syscall arg. */ "int $0x80 # %2\n" /* Perform the system call. */ "movl %1, %%ebx\n" /* Restore %ebx from scratch register. */ : "=a" (newbrk), "=r" (scratch) - : "0" (SYS_ify (brk)), "g" (addr)); + : "0" (SYS_ify (brk)), "g" (__ptrvalue (addr))); __curbrk = newbrk; |