Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / x86 / include / asm / uprobes.h

diff --git a/kernel/arch/x86/include/asm/uprobes.h b/kernel/arch/x86/include/asm/uprobes.h
new file mode 100644 (file)
index 0000000..74f4c2f
--- /dev/null
+++ b/kernel/arch/x86/include/asm/uprobes.h
@@ -0,0 +1,67 @@
+#ifndef _ASM_UPROBES_H
+#define _ASM_UPROBES_H
+/*
+ * User-space Probes (UProbes) for x86
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) IBM Corporation, 2008-2011
+ * Authors:
+ *     Srikar Dronamraju
+ *     Jim Keniston
+ */
+
+#include <linux/notifier.h>
+
+typedef u8 uprobe_opcode_t;
+
+#define MAX_UINSN_BYTES                          16
+#define UPROBE_XOL_SLOT_BYTES           128    /* to keep it cache aligned */
+
+#define UPROBE_SWBP_INSN               0xcc
+#define UPROBE_SWBP_INSN_SIZE             1
+
+struct uprobe_xol_ops;
+
+struct arch_uprobe {
+       union {
+               u8                      insn[MAX_UINSN_BYTES];
+               u8                      ixol[MAX_UINSN_BYTES];
+       };
+
+       const struct uprobe_xol_ops     *ops;
+
+       union {
+               struct {
+                       s32     offs;
+                       u8      ilen;
+                       u8      opc1;
+               }                       branch;
+               struct {
+                       u8      fixups;
+                       u8      ilen;
+               }                       defparam;
+       };
+};
+
+struct arch_uprobe_task {
+#ifdef CONFIG_X86_64
+       unsigned long                   saved_scratch_register;
+#endif
+       unsigned int                    saved_trap_nr;
+       unsigned int                    saved_tf;
+};
+
+#endif /* _ASM_UPROBES_H */