Merge git://git.skbuff.net/gitroot/yoshfuji/linux-2.6-git-rfc3542

[powerpc.git] / arch / um / os-Linux / elf_aux.c

diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index 5423b1c..1399520 100644 (file)
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -11,9 +11,10 @@
 #include <stddef.h>
 #include "init.h"
 #include "elf_user.h"
-#include <asm/elf.h>
+#include "mem_user.h"
+#include <kernel-offsets.h>
 
-#if ELF_CLASS == ELFCLASS32
+#if HOST_ELF_CLASS == ELFCLASS32
 typedef Elf32_auxv_t elf_auxv_t;
 #else
 typedef Elf64_auxv_t elf_auxv_t;
@@ -41,6 +42,9 @@ __init void scan_elf_aux( char **envp)
                                break;
                        case AT_SYSINFO_EHDR:
                                vsyscall_ehdr = auxv->a_un.a_val;
+                               /* See if the page is under TASK_SIZE */
+                               if (vsyscall_ehdr < (unsigned long) envp)
+                                       vsyscall_ehdr = 0;
                                break;
                        case AT_HWCAP:
                                elf_aux_hwcap = auxv->a_un.a_val;