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Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/include/asm/uprobes.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/uprobes.h b/arch/powerpc/include/asm/uprobes.h new file mode 100644 index 000000000..5bf65f5d4 --- /dev/null +++ b/arch/powerpc/include/asm/uprobes.h @@ -0,0 +1,36 @@ +/* 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> +#include <asm/inst.h> + +typedef ppc_opcode_t 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 { + struct ppc_inst insn; + struct ppc_inst ixol; + }; +}; + +struct arch_uprobe_task { + unsigned long saved_trap_nr; +}; + +#endif /* _ASM_UPROBES_H */ |