1 #ifndef _PARISC_PTRACE_H 2 #define _PARISC_PTRACE_H 3 4 /* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg 5 ** Copyright (C) 2000 Grant Grundler, Hewlett-Packard 6 */ 7 8 #include <linux/types.h> 9 10 /* This struct defines the way the registers are stored on the 11 * stack during a system call. 12 * 13 * N.B. gdb/strace care about the size and offsets within this 14 * structure. If you change things, you may break object compatibility 15 * for those applications. 16 */ 17 18 struct pt_regs { 19 unsigned long gr[32]; /* PSW is in gr[0] */ 20 __u64 fr[32]; 21 unsigned long sr[ 8]; 22 unsigned long iasq[2]; 23 unsigned long iaoq[2]; 24 unsigned long cr27; 25 unsigned long pad0; /* available for other uses */ 26 unsigned long orig_r28; 27 unsigned long ksp; 28 unsigned long kpc; 29 unsigned long sar; /* CR11 */ 30 unsigned long iir; /* CR19 */ 31 unsigned long isr; /* CR20 */ 32 unsigned long ior; /* CR21 */ 33 unsigned long ipsw; /* CR22 */ 34 }; 35 36 /* 37 * The numbers chosen here are somewhat arbitrary but absolutely MUST 38 * not overlap with any of the number assigned in <linux/ptrace.h>. 39 * 40 * These ones are taken from IA-64 on the assumption that theirs are 41 * the most correct (and we also want to support PTRACE_SINGLEBLOCK 42 * since we have taken branch traps too) 43 */ 44 #define PTRACE_SINGLEBLOCK 12 /* resume execution until next branch */ 45 46 #ifdef __KERNEL__ 47 48 #define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS)) 49 50 #define arch_has_single_step() 1 51 #define arch_has_block_step() 1 52 53 /* XXX should we use iaoq[1] or iaoq[0] ? */ 54 #define user_mode(regs) (((regs)->iaoq[0] & 3) ? 1 : 0) 55 #define user_space(regs) (((regs)->iasq[1] != 0) ? 1 : 0) 56 #define instruction_pointer(regs) ((regs)->iaoq[0] & ~3) 57 #define user_stack_pointer(regs) ((regs)->gr[30]) 58 unsigned long profile_pc(struct pt_regs *); 59 60 61 #endif /* __KERNEL__ */ 62 63 #endif 64