87 lines
1.7 KiB
C
87 lines
1.7 KiB
C
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#ifndef __ASM_SH_PTRACE_32_H
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#define __ASM_SH_PTRACE_32_H
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/*
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* GCC defines register number like this:
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* -----------------------------
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* 0 - 15 are integer registers
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* 17 - 22 are control/special registers
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* 24 - 39 fp registers
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* 40 - 47 xd registers
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* 48 - fpscr register
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* -----------------------------
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*
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* We follows above, except:
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* 16 --- program counter (PC)
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* 22 --- syscall #
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* 23 --- floating point communication register
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*/
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#define REG_REG0 0
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#define REG_REG15 15
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#define REG_PC 16
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#define REG_PR 17
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#define REG_SR 18
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#define REG_GBR 19
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#define REG_MACH 20
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#define REG_MACL 21
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#define REG_SYSCALL 22
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#define REG_FPREG0 23
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#define REG_FPREG15 38
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#define REG_XFREG0 39
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#define REG_XFREG15 54
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#define REG_FPSCR 55
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#define REG_FPUL 56
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/*
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* This struct defines the way the registers are stored on the
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* kernel stack during a system call or other kernel entry.
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*/
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struct pt_regs {
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unsigned long regs[16];
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unsigned long pc;
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unsigned long pr;
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unsigned long sr;
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unsigned long gbr;
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unsigned long mach;
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unsigned long macl;
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long tra;
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};
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/*
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* This struct defines the way the DSP registers are stored on the
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* kernel stack during a system call or other kernel entry.
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*/
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struct pt_dspregs {
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unsigned long a1;
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unsigned long a0g;
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unsigned long a1g;
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unsigned long m0;
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unsigned long m1;
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unsigned long a0;
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unsigned long x0;
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unsigned long x1;
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unsigned long y0;
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unsigned long y1;
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unsigned long dsr;
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unsigned long rs;
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unsigned long re;
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unsigned long mod;
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};
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#ifdef __KERNEL__
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#define MAX_REG_OFFSET offsetof(struct pt_regs, tra)
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static inline long regs_return_value(struct pt_regs *regs)
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{
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return regs->regs[0];
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}
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#endif /* __KERNEL__ */
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#endif /* __ASM_SH_PTRACE_32_H */
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