diff options
Diffstat (limited to 'kernel/arch/hexagon/include/uapi/asm/ptrace.h')
-rw-r--r-- | kernel/arch/hexagon/include/uapi/asm/ptrace.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/kernel/arch/hexagon/include/uapi/asm/ptrace.h b/kernel/arch/hexagon/include/uapi/asm/ptrace.h new file mode 100644 index 000000000..065e5b323 --- /dev/null +++ b/kernel/arch/hexagon/include/uapi/asm/ptrace.h @@ -0,0 +1,44 @@ +/* + * Ptrace definitions for the Hexagon architecture + * + * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#ifndef _ASM_PTRACE_H +#define _ASM_PTRACE_H + +#include <asm/registers.h> + +#define instruction_pointer(regs) pt_elr(regs) +#define user_stack_pointer(regs) ((regs)->r29) + +#define profile_pc(regs) instruction_pointer(regs) + +/* kprobe-based event tracer support */ +extern int regs_query_register_offset(const char *name); +extern const char *regs_query_register_name(unsigned int offset); + +#define current_pt_regs() \ + ((struct pt_regs *) \ + ((unsigned long)current_thread_info() + THREAD_SIZE) - 1) + +#if CONFIG_HEXAGON_ARCH_VERSION >= 4 +#define arch_has_single_step() (1) +#endif + + +#endif |