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| author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:08 -0500 | 
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:12 +0200 | 
| commit | 819833af39a91fa1c1e8252862bbda6f5a602f7b (patch) | |
| tree | d5c9d1628643347ab2b5a8085acfa6f96709fda3 /arch/sh/include/asm/ptrace.h | |
| parent | 61f2b38a17f5b21c59f2afe6cf1cbb5f28638cf9 (diff) | |
| download | olio-uboot-2014.01-819833af39a91fa1c1e8252862bbda6f5a602f7b.tar.xz olio-uboot-2014.01-819833af39a91fa1c1e8252862bbda6f5a602f7b.zip | |
Move architecture-specific includes to arch/$ARCH/include/asm
This helps to clean up the include/ directory so that it only contains
non-architecture-specific headers and also matches Linux's directory
layout which many U-Boot developers are already familiar with.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/sh/include/asm/ptrace.h')
| -rw-r--r-- | arch/sh/include/asm/ptrace.h | 112 | 
1 files changed, 112 insertions, 0 deletions
| diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h new file mode 100644 index 000000000..16252cc25 --- /dev/null +++ b/arch/sh/include/asm/ptrace.h @@ -0,0 +1,112 @@ +#ifndef __ASM_SH_PTRACE_H +#define __ASM_SH_PTRACE_H + +/* + * Copyright (C) 1999, 2000  Niibe Yutaka + * from linux kernel code. + */ + +/* + * GCC defines register number like this: + * ----------------------------- + *	 0 - 15 are integer registers + *	17 - 22 are control/special registers + *	24 - 39 fp registers + *	40 - 47 xd registers + *	48 -    fpscr register + * ----------------------------- + * + * We follows above, except: + *	16 --- program counter (PC) + *	22 --- syscall # + *	23 --- floating point communication register + */ +#define REG_REG0	 0 +#define REG_REG15	15 + +#define REG_PC		16 + +#define REG_PR		17 +#define REG_SR		18 +#define REG_GBR		19 +#define REG_MACH	20 +#define REG_MACL	21 + +#define REG_SYSCALL	22 + +#define REG_FPREG0	23 +#define REG_FPREG15	38 +#define REG_XFREG0	39 +#define REG_XFREG15	54 + +#define REG_FPSCR	55 +#define REG_FPUL	56 + +/* options set using PTRACE_SETOPTIONS */ +#define PTRACE_O_TRACESYSGOOD     0x00000001 + +/* + * This struct defines the way the registers are stored on the + * kernel stack during a system call or other kernel entry. + */ +struct pt_regs { +	unsigned long regs[16]; +	unsigned long pc; +	unsigned long pr; +	unsigned long sr; +	unsigned long gbr; +	unsigned long mach; +	unsigned long macl; +	long tra; +}; + +/* + * This struct defines the way the DSP registers are stored on the + * kernel stack during a system call or other kernel entry. + */ +struct pt_dspregs { +	unsigned long	a1; +	unsigned long	a0g; +	unsigned long	a1g; +	unsigned long	m0; +	unsigned long	m1; +	unsigned long	a0; +	unsigned long	x0; +	unsigned long	x1; +	unsigned long	y0; +	unsigned long	y1; +	unsigned long	dsr; +	unsigned long	rs; +	unsigned long	re; +	unsigned long	mod; +}; + +#define	PTRACE_GETDSPREGS	55 +#define	PTRACE_SETDSPREGS	56 + +#ifdef __KERNEL__ +#define user_mode(regs) (((regs)->sr & 0x40000000)==0) +#define instruction_pointer(regs) ((regs)->pc) +extern void show_regs(struct pt_regs *); + +#ifdef CONFIG_SH_DSP +#define task_pt_regs(task) \ +	((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \ +		 - sizeof(struct pt_dspregs) - sizeof(unsigned long)) - 1) +#else +#define task_pt_regs(task) \ +	((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \ +		 - sizeof(unsigned long)) - 1) +#endif + +static inline unsigned long profile_pc(struct pt_regs *regs) +{ +	unsigned long pc = instruction_pointer(regs); + +	if (pc >= 0xa0000000UL && pc < 0xc0000000UL) +		pc -= 0x20000000; +	return pc; +} +#endif + +#endif /* __ASM_SH_PTRACE_H */ |