projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 0b135cfc NI |
1 | #ifndef __ASM_SH_PTRACE_H |
| 2 | #define __ASM_SH_PTRACE_H | |
| 3 | ||
| 4 | /* | |
| 5 | * Copyright (C) 1999, 2000 Niibe Yutaka | |
| 6 | * from linux kernel code. | |
| 7 | */ | |
| 8 | ||
| 9 | /* | |
| 10 | * GCC defines register number like this: | |
| 11 | * ----------------------------- | |
| 12 | * 0 - 15 are integer registers | |
| 13 | * 17 - 22 are control/special registers | |
| 14 | * 24 - 39 fp registers | |
| 15 | * 40 - 47 xd registers | |
| 16 | * 48 - fpscr register | |
| 17 | * ----------------------------- | |
| 18 | * | |
| 19 | * We follows above, except: | |
| 20 | * 16 --- program counter (PC) | |
| 21 | * 22 --- syscall # | |
| 22 | * 23 --- floating point communication register | |
| 23 | */ | |
| 24 | #define REG_REG0 0 | |
| 25 | #define REG_REG15 15 | |
| 26 | ||
| 27 | #define REG_PC 16 | |
| 28 | ||
| 29 | #define REG_PR 17 | |
| 30 | #define REG_SR 18 | |
| 53677ef1 | 31 | #define REG_GBR 19 |
| 0b135cfc NI |
32 | #define REG_MACH 20 |
| 33 | #define REG_MACL 21 | |
| 34 | ||
| 35 | #define REG_SYSCALL 22 | |
| 36 | ||
| 37 | #define REG_FPREG0 23 | |
| 38 | #define REG_FPREG15 38 | |
| 39 | #define REG_XFREG0 39 | |
| 40 | #define REG_XFREG15 54 | |
| 41 | ||
| 42 | #define REG_FPSCR 55 | |
| 43 | #define REG_FPUL 56 | |
| 44 | ||
| 45 | /* options set using PTRACE_SETOPTIONS */ | |
| 46 | #define PTRACE_O_TRACESYSGOOD 0x00000001 | |
| 47 | ||
| 48 | /* | |
| 49 | * This struct defines the way the registers are stored on the | |
| 50 | * kernel stack during a system call or other kernel entry. | |
| 51 | */ | |
| 52 | struct pt_regs { | |
| 53 | unsigned long regs[16]; | |
| 54 | unsigned long pc; | |
| 55 | unsigned long pr; | |
| 56 | unsigned long sr; | |
| 57 | unsigned long gbr; | |
| 58 | unsigned long mach; | |
| 59 | unsigned long macl; | |
| 60 | long tra; | |
| 61 | }; | |
| 62 | ||
| 63 | /* | |
| 64 | * This struct defines the way the DSP registers are stored on the | |
| 65 | * kernel stack during a system call or other kernel entry. | |
| 66 | */ | |
| 67 | struct pt_dspregs { | |
| 68 | unsigned long a1; | |
| 69 | unsigned long a0g; | |
| 70 | unsigned long a1g; | |
| 71 | unsigned long m0; | |
| 72 | unsigned long m1; | |
| 73 | unsigned long a0; | |
| 74 | unsigned long x0; | |
| 75 | unsigned long x1; | |
| 76 | unsigned long y0; | |
| 77 | unsigned long y1; | |
| 78 | unsigned long dsr; | |
| 79 | unsigned long rs; | |
| 80 | unsigned long re; | |
| 81 | unsigned long mod; | |
| 82 | }; | |
| 83 | ||
| 84 | #define PTRACE_GETDSPREGS 55 | |
| 85 | #define PTRACE_SETDSPREGS 56 | |
| 86 | ||
| 87 | #ifdef __KERNEL__ | |
| 88 | #define user_mode(regs) (((regs)->sr & 0x40000000)==0) | |
| 89 | #define instruction_pointer(regs) ((regs)->pc) | |
| 90 | extern void show_regs(struct pt_regs *); | |
| 91 | ||
| 92 | #ifdef CONFIG_SH_DSP | |
| 93 | #define task_pt_regs(task) \ | |
| 94 | ((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \ | |
| 95 | - sizeof(struct pt_dspregs) - sizeof(unsigned long)) - 1) | |
| 96 | #else | |
| 97 | #define task_pt_regs(task) \ | |
| 98 | ((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \ | |
| 99 | - sizeof(unsigned long)) - 1) | |
| 100 | #endif | |
| 101 | ||
| 102 | static inline unsigned long profile_pc(struct pt_regs *regs) | |
| 103 | { | |
| 104 | unsigned long pc = instruction_pointer(regs); | |
| 105 | ||
| 106 | if (pc >= 0xa0000000UL && pc < 0xc0000000UL) | |
| 107 | pc -= 0x20000000; | |
| 108 | return pc; | |
| 109 | } | |
| 110 | #endif | |
| 111 | ||
| 112 | #endif /* __ASM_SH_PTRACE_H */ |