#ifndef __ASM_SH_PTRACE_H #define __ASM_SH_PTRACE_H /* * Copyright (C) 1999, 2000 Niibe Yutaka * */ #if defined(__SH5__) || defined(CONFIG_SUPERH64) struct pt_regs { unsigned long long pc; unsigned long long sr; unsigned long long syscall_nr; unsigned long long regs[63]; unsigned long long tregs[8]; unsigned long long pad[2]; }; #else /* * 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; }; #define PTRACE_GETDSPREGS 55 #define PTRACE_SETDSPREGS 56 #endif #ifdef __KERNEL__ #include <asm/addrspace.h> #define user_mode(regs) (((regs)->sr & 0x40000000)==0) #define instruction_pointer(regs) ((unsigned long)(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); #ifdef P2SEG if (pc >= P2SEG && pc < P3SEG) pc -= 0x20000000; #endif return pc; } #endif /* __KERNEL__ */ #endif /* __ASM_SH_PTRACE_H */