ptrace_32.h

Go to the documentation of this file.

#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 */