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authorGreg McGary <greg@mcgary.org>2000-07-07 02:19:06 +0000
committerGreg McGary <greg@mcgary.org>2000-07-07 02:19:06 +0000
commit4bbb61e414b377b647bcbff13dcd77cc323b3645 (patch)
tree6e0019e43e58a30861802991cb93f5d2d1f21ecf /sysdeps/unix/sysv/linux/i386/brk.c
parentc0f53cdd08913ef09f9bb66fb1b14cd88598cff9 (diff)
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* sysdeps/generic/bp-checks.h (CHECK_SIGSET, CHECK_SIGSETopt):
New macros. 
* sysdeps/generic/strcpy.c: Add bounds checks. 
* sysdeps/unix/fxstat.c: Likewise. 
* sysdeps/unix/xstat.c: Likewise. 
* sysdeps/unix/common/lxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/aio_sigqueue.c: Likewise. 
* sysdeps/unix/sysv/linux/execve.c: Likewise. 
* sysdeps/unix/sysv/linux/fxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/fxstat64.c: Likewise. 
* sysdeps/unix/sysv/linux/getcwd.c: Likewise. 
* sysdeps/unix/sysv/linux/getdents.c: Likewise. 
* sysdeps/unix/sysv/linux/llseek.c: Likewise. 
* sysdeps/unix/sysv/linux/lxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/lxstat64.c: Likewise. 
* sysdeps/unix/sysv/linux/poll.c: Likewise. 
* sysdeps/unix/sysv/linux/pread.c: Likewise. 
* sysdeps/unix/sysv/linux/pread64.c: Likewise. 
* sysdeps/unix/sysv/linux/ptrace.c: Likewise. 
* sysdeps/unix/sysv/linux/pwrite.c: Likewise. 
* sysdeps/unix/sysv/linux/pwrite64.c: Likewise. 
* sysdeps/unix/sysv/linux/readv.c: Likewise. 
* sysdeps/unix/sysv/linux/sigaction.c: Likewise. 
* sysdeps/unix/sysv/linux/sigpending.c: Likewise. 
* sysdeps/unix/sysv/linux/sigprocmask.c: Likewise. 
* sysdeps/unix/sysv/linux/sigqueue.c: Likewise. 
* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise. 
* sysdeps/unix/sysv/linux/sigtimedwait.c: Likewise. 
* sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise. 
* sysdeps/unix/sysv/linux/sysctl.c: Likewise. 
* sysdeps/unix/sysv/linux/truncate64.c: Likewise. 
* sysdeps/unix/sysv/linux/ustat.c: Likewise. 
* sysdeps/unix/sysv/linux/writev.c: Likewise. 
* sysdeps/unix/sysv/linux/xmknod.c: Likewise. 
* sysdeps/unix/sysv/linux/xstat.c: Likewise. 
* sysdeps/unix/sysv/linux/xstat64.c: Likewise. 
* sysdeps/unix/sysv/linux/arm/sigaction.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/brk.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/chown.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/fxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/getgroups.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/getresgid.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/getresuid.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/getrlimit.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/lchown.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/lxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/setgroups.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/setrlimit.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/xstat.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/fxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/lxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/sigaction.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/sigpending.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/sigprocmask.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/sigsuspend.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/xstat.c: Likewise. 
* sysdeps/unix/sysv/linux/m68k/chown.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/pread.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/pread64.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/pwrite.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/pwrite64.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/truncate64.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/ustat.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/xmknod.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc32/mmap64.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc64/sigpending.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc64/sigprocmask.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc64/sigsuspend.c: Likewise.
	* sysdeps/generic/bp-checks.h (CHECK_SIGSET, CHECK_SIGSETopt):
	New macros.
	* sysdeps/generic/strcpy.c: Add bounds checks.
	* sysdeps/unix/fxstat.c: Likewise.
	* sysdeps/unix/xstat.c: Likewise.
	* sysdeps/unix/common/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/aio_sigqueue.c: Likewise.
	* sysdeps/unix/sysv/linux/execve.c: Likewise.
	* sysdeps/unix/sysv/linux/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/fxstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/getcwd.c: Likewise.
	* sysdeps/unix/sysv/linux/getdents.c: Likewise.
	* sysdeps/unix/sysv/linux/llseek.c: Likewise.
	* sysdeps/unix/sysv/linux/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/lxstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/poll.c: Likewise.
	* sysdeps/unix/sysv/linux/pread.c: Likewise.
	* sysdeps/unix/sysv/linux/pread64.c: Likewise.
	* sysdeps/unix/sysv/linux/ptrace.c: Likewise.
	* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/pwrite64.c: Likewise.
	* sysdeps/unix/sysv/linux/readv.c: Likewise.
	* sysdeps/unix/sysv/linux/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/sigpending.c: Likewise.
	* sysdeps/unix/sysv/linux/sigprocmask.c: Likewise.
	* sysdeps/unix/sysv/linux/sigqueue.c: Likewise.
	* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise.
	* sysdeps/unix/sysv/linux/sigtimedwait.c: Likewise.
	* sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise.
	* sysdeps/unix/sysv/linux/sysctl.c: Likewise.
	* sysdeps/unix/sysv/linux/truncate64.c: Likewise.
	* sysdeps/unix/sysv/linux/ustat.c: Likewise.
	* sysdeps/unix/sysv/linux/writev.c: Likewise.
	* sysdeps/unix/sysv/linux/xmknod.c: Likewise.
	* sysdeps/unix/sysv/linux/xstat.c: Likewise.
	* sysdeps/unix/sysv/linux/xstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/arm/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/brk.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/chown.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getgroups.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getresgid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getresuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getrlimit.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/lchown.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setgroups.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setrlimit.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/xstat.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigpending.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigprocmask.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigsuspend.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/xstat.c: Likewise.
	* sysdeps/unix/sysv/linux/m68k/chown.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pread.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pread64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pwrite64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/truncate64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/ustat.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/xmknod.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/mmap64.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigpending.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigprocmask.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigsuspend.c: Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/brk.c')
-rw-r--r--sysdeps/unix/sysv/linux/i386/brk.c8
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;