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-rw-r--r--arch/x86/include/asm/uprobes.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/x86/include/asm/uprobes.h b/arch/x86/include/asm/uprobes.h
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index 000000000..d8bfa98fc
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+++ b/arch/x86/include/asm/uprobes.h
@@ -0,0 +1,71 @@
+#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 {
+ u8 reg_offset; /* to the start of pt_regs */
+ u8 ilen;
+ } push;
+ };
+};
+
+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 */