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Diffstat (limited to 'arch/parisc/include/asm/ptrace.h')
-rw-r--r-- | arch/parisc/include/asm/ptrace.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h new file mode 100644 index 000000000..9ff033d26 --- /dev/null +++ b/arch/parisc/include/asm/ptrace.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg +** Copyright (C) 2000 Grant Grundler, Hewlett-Packard +*/ +#ifndef _PARISC_PTRACE_H +#define _PARISC_PTRACE_H + +#include <uapi/asm/ptrace.h> + + +#define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS)) + +#define arch_has_single_step() 1 +#define arch_has_block_step() 1 + +/* XXX should we use iaoq[1] or iaoq[0] ? */ +#define user_mode(regs) (((regs)->iaoq[0] & 3) ? 1 : 0) +#define user_space(regs) (((regs)->iasq[1] != 0) ? 1 : 0) +#define instruction_pointer(regs) ((regs)->iaoq[0] & ~3) +#define user_stack_pointer(regs) ((regs)->gr[30]) +unsigned long profile_pc(struct pt_regs *); + +static inline unsigned long regs_return_value(struct pt_regs *regs) +{ + return regs->gr[28]; +} + +static inline void instruction_pointer_set(struct pt_regs *regs, + unsigned long val) +{ + regs->iaoq[0] = val; + regs->iaoq[1] = val + 4; +} + +/* Query offset/name of register from its name/offset */ +extern int regs_query_register_offset(const char *name); +extern const char *regs_query_register_name(unsigned int offset); +#define MAX_REG_OFFSET (offsetof(struct pt_regs, ipsw)) + +#endif |