hexagon: define syscall_get_error() and syscall_get_return_value()

[linux-2.6-microblaze.git] / arch / hexagon / include / asm / syscall.h

diff --git a/arch/hexagon/include/asm/syscall.h b/arch/hexagon/include/asm/syscall.h
index 4f054b1..f6e454f 100644 (file)
--- a/arch/hexagon/include/asm/syscall.h
+++ b/arch/hexagon/include/asm/syscall.h
@@ -9,6 +9,8 @@
 #define _ASM_HEXAGON_SYSCALL_H
 
 #include <uapi/linux/audit.h>
+#include <linux/err.h>
+#include <asm/ptrace.h>
 
 typedef long (*syscall_fn)(unsigned long, unsigned long,
        unsigned long, unsigned long,
@@ -31,6 +33,18 @@ static inline void syscall_get_arguments(struct task_struct *task,
        memcpy(args, &(&regs->r00)[0], 6 * sizeof(args[0]));
 }
 
+static inline long syscall_get_error(struct task_struct *task,
+                                    struct pt_regs *regs)
+{
+       return IS_ERR_VALUE(regs->r00) ? regs->r00 : 0;
+}
+
+static inline long syscall_get_return_value(struct task_struct *task,
+                                           struct pt_regs *regs)
+{
+       return regs->r00;
+}
+
 static inline int syscall_get_arch(struct task_struct *task)
 {
        return AUDIT_ARCH_HEXAGON;