cregit-Linux how code gets into the kernel

Release 4.14 arch/sh/include/uapi/asm/ptrace_32.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI__ASM_SH_PTRACE_32_H

#define _UAPI__ASM_SH_PTRACE_32_H

/*
 * 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

/*
 * 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;
};


#endif /* _UAPI__ASM_SH_PTRACE_32_H */

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David Howells17299.42%150.00%
Greg Kroah-Hartman10.58%150.00%
Total173100.00%2100.00%
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