1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg 3 ** Copyright (C) 2000 Grant Grundler, Hewlett-Packard 4 */ 5 #ifndef _PARISC_PTRACE_H 6 #define _PARISC_PTRACE_H 7 8 #include <uapi/asm/ptrace.h> 9 10 11 #define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS)) 12 13 #define arch_has_single_step() 1 14 #define arch_has_block_step() 1 15 16 /* XXX should we use iaoq[1] or iaoq[0] ? */ 17 #define user_mode(regs) (((regs)->iaoq[0] & 3) ? 1 : 0) 18 #define user_space(regs) (((regs)->iasq[1] != 0) ? 1 : 0) 19 #define instruction_pointer(regs) ((regs)->iaoq[0] & ~3) 20 #define user_stack_pointer(regs) ((regs)->gr[30]) 21 unsigned long profile_pc(struct pt_regs *); 22 23 static inline unsigned long regs_return_value(struct pt_regs *regs) 24 { 25 return regs->gr[20]; 26 } 27 28 static inline void instruction_pointer_set(struct pt_regs *regs, 29 unsigned long val) 30 { 31 regs->iaoq[0] = val; 32 } 33 34 /* Query offset/name of register from its name/offset */ 35 extern int regs_query_register_offset(const char *name); 36 extern const char *regs_query_register_name(unsigned int offset); 37 #define MAX_REG_OFFSET (offsetof(struct pt_regs, ipsw)) 38 39 #endif 40