1 files changed, 38 insertions, 0 deletions
diff --git a/arch/um/sys-x86/shared/sysdep/ptrace_user_64.h b/arch/um/sys-x86/shared/sysdep/ptrace_user_64.h
new file mode 100644
index 00000000000..2f1b6e33d59
--- /dev/null
+++ b/arch/um/sys-x86/shared/sysdep/ptrace_user_64.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2003 PathScale, Inc.
+ *
+ * Licensed under the GPL
+ */
+
+#ifndef __SYSDEP_X86_64_PTRACE_USER_H__
+#define __SYSDEP_X86_64_PTRACE_USER_H__
+
+#define __FRAME_OFFSETS
+#include <sys/ptrace.h>
+#include <linux/ptrace.h>
+#include <asm/ptrace.h>
+#undef __FRAME_OFFSETS
+#include <generated/user_constants.h>
+
+#define PT_INDEX(off) ((off) / sizeof(unsigned long))
+
+#define PT_SYSCALL_NR(regs) ((regs)[PT_INDEX(ORIG_RAX)])
+#define PT_SYSCALL_NR_OFFSET (ORIG_RAX)
+
+#define PT_SYSCALL_RET_OFFSET (RAX)
+
+/*
+ * x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though
+ * it's defined in the kernel's include/linux/ptrace.h. Additionally, use the
+ * 2.4 name and value for 2.4 host compatibility.
+ */
+#ifndef PTRACE_OLDSETOPTIONS
+#define PTRACE_OLDSETOPTIONS 21
+#endif
+
+#define REGS_IP_INDEX PT_INDEX(RIP)
+#define REGS_SP_INDEX PT_INDEX(RSP)
+
+#define FP_SIZE (HOST_FP_SIZE)
+
+#endif