aboutsummaryrefslogtreecommitdiffstats
path: root/arch/um/os-Linux/elf_aux.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/um/os-Linux/elf_aux.c')
-rw-r--r--arch/um/os-Linux/elf_aux.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index f0d6060e3e57..9416e1c29926 100644
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -9,8 +9,10 @@
9 */ 9 */
10#include <elf.h> 10#include <elf.h>
11#include <stddef.h> 11#include <stddef.h>
12#include <asm/elf.h>
12#include "init.h" 13#include "init.h"
13#include "elf_user.h" 14#include "elf_user.h"
15#include "mem_user.h"
14 16
15#if ELF_CLASS == ELFCLASS32 17#if ELF_CLASS == ELFCLASS32
16typedef Elf32_auxv_t elf_auxv_t; 18typedef Elf32_auxv_t elf_auxv_t;
@@ -40,6 +42,9 @@ __init void scan_elf_aux( char **envp)
40 break; 42 break;
41 case AT_SYSINFO_EHDR: 43 case AT_SYSINFO_EHDR:
42 vsyscall_ehdr = auxv->a_un.a_val; 44 vsyscall_ehdr = auxv->a_un.a_val;
45 /* See if the page is under TASK_SIZE */
46 if (vsyscall_ehdr < (unsigned long) envp)
47 vsyscall_ehdr = 0;
43 break; 48 break;
44 case AT_HWCAP: 49 case AT_HWCAP:
45 elf_aux_hwcap = auxv->a_un.a_val; 50 elf_aux_hwcap = auxv->a_un.a_val;