Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / s390 / include / asm / elf.h

diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
index 354d42616c7e6dc057a4bbf1bbfbb80805f7d880..10c029cfcc7d3c7d8e8feda790c6c3e885fa34a9 100644 (file)
--- a/arch/s390/include/asm/elf.h
+++ b/arch/s390/include/asm/elf.h
@@ -161,7 +161,9 @@ extern unsigned int vdso_enabled;
    use of this is to invoke "./ld.so someprog" to test out a new version of
    the loader.  We need to make sure that it is out of the way of the program
    that it will "exec", and that there is sufficient room for the brk.  */
-#define ELF_ET_DYN_BASE                (STACK_TOP / 3 * 2)
+
+extern unsigned long randomize_et_dyn(unsigned long base);
+#define ELF_ET_DYN_BASE                (randomize_et_dyn(STACK_TOP / 3 * 2))
 
 /* This yields a mask that user programs can use to figure out what
    instruction set this CPU supports. */
@@ -206,6 +208,8 @@ do {                                                                \
        current->mm->context.noexec == 0;               \
 })
 
+#define STACK_RND_MASK 0x7ffUL
+
 #define ARCH_DLINFO                                                        \
 do {                                                                       \
        if (vdso_enabled)                                                   \
@@ -218,4 +222,7 @@ struct linux_binprm;
 #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
 int arch_setup_additional_pages(struct linux_binprm *, int);
 
+extern unsigned long arch_randomize_brk(struct mm_struct *mm);
+#define arch_randomize_brk arch_randomize_brk
+
 #endif