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-rw-r--r--arch/powerpc/include/asm/uprobes.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/uprobes.h b/arch/powerpc/include/asm/uprobes.h
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+++ b/arch/powerpc/include/asm/uprobes.h
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _ASM_UPROBES_H
+#define _ASM_UPROBES_H
+/*
+ * User-space Probes (UProbes) for powerpc
+ *
+ * Copyright IBM Corporation, 2007-2012
+ *
+ * Adapted from the x86 port by Ananth N Mavinakayanahalli <ananth@in.ibm.com>
+ */
+
+#include <linux/notifier.h>
+#include <asm/probes.h>
+
+typedef u32 uprobe_opcode_t;
+
+#define MAX_UINSN_BYTES 8
+#define UPROBE_XOL_SLOT_BYTES (MAX_UINSN_BYTES)
+
+/* The following alias is needed for reference from arch-agnostic code */
+#define UPROBE_SWBP_INSN BREAKPOINT_INSTRUCTION
+#define UPROBE_SWBP_INSN_SIZE 4 /* swbp insn size in bytes */
+
+struct arch_uprobe {
+ union {
+ u32 insn[2];
+ u32 ixol[2];
+ };
+};
+
+struct arch_uprobe_task {
+ unsigned long saved_trap_nr;
+};
+
+#endif /* _ASM_UPROBES_H */