mirror of
https://github.com/torvalds/linux.git
synced 2024-11-28 07:01:32 +00:00
1febf61514
Add generic definition just like another architectures have done, or
can not pass compiling with allmodconfig, the related error:
CC kernel/profile.o
kernel/profile.c: In function 'profile_tick':
kernel/profile.c:419: error: implicit declaration of function 'profile_pc'
make[1]: *** [kernel/profile.o] Error 1
make: *** [kernel] Error 2
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
/*
|
|
* linux/arch/unicore32/include/asm/ptrace.h
|
|
*
|
|
* Code specific to PKUnity SoC and UniCore ISA
|
|
*
|
|
* Copyright (C) 2001-2010 GUAN Xue-tao
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
#ifndef __UNICORE_PTRACE_H__
|
|
#define __UNICORE_PTRACE_H__
|
|
|
|
#include <uapi/asm/ptrace.h>
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#define user_mode(regs) \
|
|
(processor_mode(regs) == USER_MODE)
|
|
|
|
#define processor_mode(regs) \
|
|
((regs)->UCreg_asr & MODE_MASK)
|
|
|
|
#define interrupts_enabled(regs) \
|
|
(!((regs)->UCreg_asr & PSR_I_BIT))
|
|
|
|
#define fast_interrupts_enabled(regs) \
|
|
(!((regs)->UCreg_asr & PSR_R_BIT))
|
|
|
|
/* Are the current registers suitable for user mode?
|
|
* (used to maintain security in signal handlers)
|
|
*/
|
|
static inline int valid_user_regs(struct pt_regs *regs)
|
|
{
|
|
unsigned long mode = regs->UCreg_asr & MODE_MASK;
|
|
|
|
/*
|
|
* Always clear the R (REAL) bits
|
|
*/
|
|
regs->UCreg_asr &= ~(PSR_R_BIT);
|
|
|
|
if ((regs->UCreg_asr & PSR_I_BIT) == 0) {
|
|
if (mode == USER_MODE)
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Force ASR to something logical...
|
|
*/
|
|
regs->UCreg_asr &= PSR_f | USER_MODE;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define instruction_pointer(regs) ((regs)->UCreg_pc)
|
|
#define user_stack_pointer(regs) ((regs)->UCreg_sp)
|
|
#define profile_pc(regs) instruction_pointer(regs)
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
#endif
|