blk: rq_data_dir() should not return a boolean
[cris-mirror.git] / arch / hexagon / include / uapi / asm / ptrace.h
blob065e5b32313f1884b76365cba3e002d297ee3612
1 /*
2 * Ptrace definitions for the Hexagon architecture
4 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 and
8 * only version 2 as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18 * 02110-1301, USA.
21 #ifndef _ASM_PTRACE_H
22 #define _ASM_PTRACE_H
24 #include <asm/registers.h>
26 #define instruction_pointer(regs) pt_elr(regs)
27 #define user_stack_pointer(regs) ((regs)->r29)
29 #define profile_pc(regs) instruction_pointer(regs)
31 /* kprobe-based event tracer support */
32 extern int regs_query_register_offset(const char *name);
33 extern const char *regs_query_register_name(unsigned int offset);
35 #define current_pt_regs() \
36 ((struct pt_regs *) \
37 ((unsigned long)current_thread_info() + THREAD_SIZE) - 1)
39 #if CONFIG_HEXAGON_ARCH_VERSION >= 4
40 #define arch_has_single_step() (1)
41 #endif
44 #endif