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Diffstat (limited to 'arch/powerpc/include/asm/uprobes.h')
| -rw-r--r-- | arch/powerpc/include/asm/uprobes.h | 48 |
1 files changed, 48 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..7422a999a --- /dev/null +++ b/arch/powerpc/include/asm/uprobes.h @@ -0,0 +1,48 @@ +#ifndef _ASM_UPROBES_H +#define _ASM_UPROBES_H +/* + * User-space Probes (UProbes) for powerpc + * + * 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 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 ppc_opcode_t uprobe_opcode_t; + +#define MAX_UINSN_BYTES 4 +#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; + u32 ixol; + }; +}; + +struct arch_uprobe_task { + unsigned long saved_trap_nr; +}; + +#endif /* _ASM_UPROBES_H */ |