| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __ASM_SH_PTRACE_H |
| 2 | #define __ASM_SH_PTRACE_H |
| 3 | |
| 4 | #include <asm/ubc.h> |
| 5 | |
| 6 | /* |
| 7 | * Copyright (C) 1999, 2000 Niibe Yutaka |
| 8 | * |
| 9 | */ |
| 10 | |
| 11 | /* |
| 12 | * GCC defines register number like this: |
| 13 | * ----------------------------- |
| 14 | * 0 - 15 are integer registers |
| 15 | * 17 - 22 are control/special registers |
| 16 | * 24 - 39 fp registers |
| 17 | * 40 - 47 xd registers |
| 18 | * 48 - fpscr register |
| 19 | * ----------------------------- |
| 20 | * |
| 21 | * We follows above, except: |
| 22 | * 16 --- program counter (PC) |
| 23 | * 22 --- syscall # |
| 24 | * 23 --- floating point communication register |
| 25 | */ |
| 26 | #define REG_REG0 0 |
| 27 | #define REG_REG15 15 |
| 28 | |
| 29 | #define REG_PC 16 |
| 30 | |
| 31 | #define REG_PR 17 |
| 32 | #define REG_SR 18 |
| 33 | #define REG_GBR 19 |
| 34 | #define REG_MACH 20 |
| 35 | #define REG_MACL 21 |
| 36 | |
| 37 | #define REG_SYSCALL 22 |
| 38 | |
| 39 | #define REG_FPREG0 23 |
| 40 | #define REG_FPREG15 38 |
| 41 | #define REG_XFREG0 39 |
| 42 | #define REG_XFREG15 54 |
| 43 | |
| 44 | #define REG_FPSCR 55 |
| 45 | #define REG_FPUL 56 |
| 46 | |
| 47 | /* options set using PTRACE_SETOPTIONS */ |
| 48 | #define PTRACE_O_TRACESYSGOOD 0x00000001 |
| 49 | |
| 50 | /* |
| 51 | * This struct defines the way the registers are stored on the |
| 52 | * kernel stack during a system call or other kernel entry. |
| 53 | */ |
| 54 | struct pt_regs { |
| 55 | unsigned long regs[16]; |
| 56 | unsigned long pc; |
| 57 | unsigned long pr; |
| 58 | unsigned long sr; |
| 59 | unsigned long gbr; |
| 60 | unsigned long mach; |
| 61 | unsigned long macl; |
| 62 | long tra; |
| 63 | }; |
| 64 | |
| 65 | /* |
| 66 | * This struct defines the way the DSP registers are stored on the |
| 67 | * kernel stack during a system call or other kernel entry. |
| 68 | */ |
| 69 | struct pt_dspregs { |
| 70 | unsigned long a1; |
| 71 | unsigned long a0g; |
| 72 | unsigned long a1g; |
| 73 | unsigned long m0; |
| 74 | unsigned long m1; |
| 75 | unsigned long a0; |
| 76 | unsigned long x0; |
| 77 | unsigned long x1; |
| 78 | unsigned long y0; |
| 79 | unsigned long y1; |
| 80 | unsigned long dsr; |
| 81 | unsigned long rs; |
| 82 | unsigned long re; |
| 83 | unsigned long mod; |
| 84 | }; |
| 85 | |
| 86 | #define PTRACE_GETDSPREGS 55 |
| 87 | #define PTRACE_SETDSPREGS 56 |
| 88 | |
| 89 | #ifdef __KERNEL__ |
| 90 | #define user_mode(regs) (((regs)->sr & 0x40000000)==0) |
| 91 | #define instruction_pointer(regs) ((regs)->pc) |
| 92 | extern void show_regs(struct pt_regs *); |
| 93 | |
| Al Viro | 3cf0f4e | 2006-01-12 01:05:44 -0800 | [diff] [blame] | 94 | #ifdef CONFIG_SH_DSP |
| 95 | #define task_pt_regs(task) \ |
| Al Viro | 308a792 | 2006-01-12 01:05:45 -0800 | [diff] [blame] | 96 | ((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \ |
| Al Viro | 3cf0f4e | 2006-01-12 01:05:44 -0800 | [diff] [blame] | 97 | - sizeof(struct pt_dspregs) - sizeof(unsigned long)) - 1) |
| 98 | #else |
| 99 | #define task_pt_regs(task) \ |
| Al Viro | 308a792 | 2006-01-12 01:05:45 -0800 | [diff] [blame] | 100 | ((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \ |
| Al Viro | 3cf0f4e | 2006-01-12 01:05:44 -0800 | [diff] [blame] | 101 | - sizeof(unsigned long)) - 1) |
| 102 | #endif |
| 103 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | static inline unsigned long profile_pc(struct pt_regs *regs) |
| 105 | { |
| 106 | unsigned long pc = instruction_pointer(regs); |
| 107 | |
| 108 | if (pc >= 0xa0000000UL && pc < 0xc0000000UL) |
| 109 | pc -= 0x20000000; |
| 110 | return pc; |
| 111 | } |
| 112 | #endif |
| 113 | |
| 114 | #endif /* __ASM_SH_PTRACE_H */ |