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author | Guo Ren <ren_guo@c-sky.com> | 2019-03-26 08:56:33 +0100 |
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committer | Guo Ren <ren_guo@c-sky.com> | 2019-04-22 07:44:57 +0200 |
commit | f335b10f3b6ca2d11adef95092fff65152c31b48 (patch) | |
tree | 8cfe88677993d69023f1d6202e3032fe8b90359b /arch/csky/include/asm/ptrace.h | |
parent | csky: mm/fault.c: Remove duplicate header (diff) | |
download | linux-f335b10f3b6ca2d11adef95092fff65152c31b48.tar.xz linux-f335b10f3b6ca2d11adef95092fff65152c31b48.zip |
csky: Add non-uapi asm/ptrace.h namespace
Move #ifdef __KERNEL__ code in the uapi namespace to non-uapi
include/asm/ptrace.h namespace and remove #ifdef __KERNEL__ in
include/asm/ptrace.h. Seperate ptrace.h in uapi and non-uapi is more
common and clear.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Cc: Dmitry V. Levin <ldv@altlinux.org>
Diffstat (limited to 'arch/csky/include/asm/ptrace.h')
-rw-r--r-- | arch/csky/include/asm/ptrace.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/csky/include/asm/ptrace.h b/arch/csky/include/asm/ptrace.h new file mode 100644 index 000000000000..1e00578166f0 --- /dev/null +++ b/arch/csky/include/asm/ptrace.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. + +#ifndef __ASM_CSKY_PTRACE_H +#define __ASM_CSKY_PTRACE_H + +#include <uapi/asm/ptrace.h> + +#ifndef __ASSEMBLY__ + +#define PS_S 0x80000000 /* Supervisor Mode */ + +#define arch_has_single_step() (1) +#define current_pt_regs() \ +({ (struct pt_regs *)((char *)current_thread_info() + THREAD_SIZE) - 1; }) + +#define user_stack_pointer(regs) ((regs)->usp) + +#define user_mode(regs) (!((regs)->sr & PS_S)) +#define instruction_pointer(regs) ((regs)->pc) +#define profile_pc(regs) instruction_pointer(regs) + +static inline unsigned long regs_return_value(struct pt_regs *regs) +{ + return regs->a0; +} + +#endif /* __ASSEMBLY__ */ +#endif /* __ASM_CSKY_PTRACE_H */ |