1 #ifndef _M68K_PTRACE_H 2 #define _M68K_PTRACE_H 3 4 #define PT_D1 0 5 #define PT_D2 1 6 #define PT_D3 2 7 #define PT_D4 3 8 #define PT_D5 4 9 #define PT_D6 5 10 #define PT_D7 6 11 #define PT_A0 7 12 #define PT_A1 8 13 #define PT_A2 9 14 #define PT_A3 10 15 #define PT_A4 11 16 #define PT_A5 12 17 #define PT_A6 13 18 #define PT_D0 14 19 #define PT_USP 15 20 #define PT_ORIG_D0 16 21 #define PT_SR 17 22 #define PT_PC 18 23 24 #ifndef __ASSEMBLY__ 25 26 /* this struct defines the way the registers are stored on the 27 stack during a system call. */ 28 29 struct pt_regs { 30 long d1; 31 long d2; 32 long d3; 33 long d4; 34 long d5; 35 long a0; 36 long a1; 37 long a2; 38 long d0; 39 long orig_d0; 40 long stkadj; 41 #ifdef CONFIG_COLDFIRE 42 unsigned format : 4; /* frame format specifier */ 43 unsigned vector : 12; /* vector offset */ 44 unsigned short sr; 45 unsigned long pc; 46 #else 47 unsigned short sr; 48 unsigned long pc; 49 unsigned format : 4; /* frame format specifier */ 50 unsigned vector : 12; /* vector offset */ 51 #endif 52 }; 53 54 /* 55 * This is the extended stack used by signal handlers and the context 56 * switcher: it's pushed after the normal "struct pt_regs". 57 */ 58 struct switch_stack { 59 unsigned long d6; 60 unsigned long d7; 61 unsigned long a3; 62 unsigned long a4; 63 unsigned long a5; 64 unsigned long a6; 65 unsigned long retpc; 66 }; 67 68 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ 69 #define PTRACE_GETREGS 12 70 #define PTRACE_SETREGS 13 71 #define PTRACE_GETFPREGS 14 72 #define PTRACE_SETFPREGS 15 73 74 #define PTRACE_GET_THREAD_AREA 25 75 76 #define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch */ 77 78 #ifdef __KERNEL__ 79 80 #ifndef PS_S 81 #define PS_S (0x2000) 82 #define PS_M (0x1000) 83 #endif 84 85 #define user_mode(regs) (!((regs)->sr & PS_S)) 86 #define instruction_pointer(regs) ((regs)->pc) 87 #define profile_pc(regs) instruction_pointer(regs) 88 89 #define arch_has_single_step() (1) 90 91 #ifdef CONFIG_MMU 92 #define arch_has_block_step() (1) 93 #endif 94 95 #endif /* __KERNEL__ */ 96 #endif /* __ASSEMBLY__ */ 97 #endif /* _M68K_PTRACE_H */ 98