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Diffstat (limited to 'arch/s390/include/asm/syscall.h')
-rw-r--r--arch/s390/include/asm/syscall.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/s390/include/asm/syscall.h b/arch/s390/include/asm/syscall.h
index fb214dd9b7e..abad78d5b10 100644
--- a/arch/s390/include/asm/syscall.h
+++ b/arch/s390/include/asm/syscall.h
@@ -12,6 +12,7 @@
#ifndef _ASM_SYSCALL_H
#define _ASM_SYSCALL_H 1
+#include <uapi/linux/audit.h>
#include <linux/sched.h>
#include <linux/err.h>
#include <asm/ptrace.h>
@@ -22,11 +23,12 @@
* type here is what we want [need] for both 32 bit and 64 bit systems.
*/
extern const unsigned int sys_call_table[];
+extern const unsigned int sys_call_table_emu[];
static inline long syscall_get_nr(struct task_struct *task,
struct pt_regs *regs)
{
- return test_tsk_thread_flag(task, TIF_SYSCALL) ?
+ return test_pt_regs_flag(regs, PIF_SYSCALL) ?
(regs->int_code & 0xffff) : -1;
}
@@ -87,4 +89,12 @@ static inline void syscall_set_arguments(struct task_struct *task,
regs->orig_gpr2 = args[0];
}
+static inline int syscall_get_arch(void)
+{
+#ifdef CONFIG_COMPAT
+ if (test_tsk_thread_flag(current, TIF_31BIT))
+ return AUDIT_ARCH_S390;
+#endif
+ return sizeof(long) == 8 ? AUDIT_ARCH_S390X : AUDIT_ARCH_S390;
+}
#endif /* _ASM_SYSCALL_H */