70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
#ifndef _PARISC_PTRACE_H
|
|
#define _PARISC_PTRACE_H
|
|
|
|
/* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg
|
|
** Copyright (C) 2000 Grant Grundler, Hewlett-Packard
|
|
*/
|
|
|
|
#include <linux/types.h>
|
|
|
|
/* This struct defines the way the registers are stored on the
|
|
* stack during a system call.
|
|
*
|
|
* N.B. gdb/strace care about the size and offsets within this
|
|
* structure. If you change things, you may break object compatibility
|
|
* for those applications.
|
|
*/
|
|
|
|
struct pt_regs {
|
|
unsigned long gr[32]; /* PSW is in gr[0] */
|
|
__u64 fr[32];
|
|
unsigned long sr[ 8];
|
|
unsigned long iasq[2];
|
|
unsigned long iaoq[2];
|
|
unsigned long cr27;
|
|
unsigned long pad0; /* available for other uses */
|
|
unsigned long orig_r28;
|
|
unsigned long ksp;
|
|
unsigned long kpc;
|
|
unsigned long sar; /* CR11 */
|
|
unsigned long iir; /* CR19 */
|
|
unsigned long isr; /* CR20 */
|
|
unsigned long ior; /* CR21 */
|
|
unsigned long ipsw; /* CR22 */
|
|
};
|
|
|
|
/*
|
|
* The numbers chosen here are somewhat arbitrary but absolutely MUST
|
|
* not overlap with any of the number assigned in <linux/ptrace.h>.
|
|
*
|
|
* These ones are taken from IA-64 on the assumption that theirs are
|
|
* the most correct (and we also want to support PTRACE_SINGLEBLOCK
|
|
* since we have taken branch traps too)
|
|
*/
|
|
#define PTRACE_SINGLEBLOCK 12 /* resume execution until next branch */
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
|
|
|
|
struct task_struct;
|
|
#define arch_has_single_step() 1
|
|
void user_disable_single_step(struct task_struct *task);
|
|
void user_enable_single_step(struct task_struct *task);
|
|
|
|
#define arch_has_block_step() 1
|
|
void user_enable_block_step(struct task_struct *task);
|
|
|
|
/* 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 *);
|
|
extern void show_regs(struct pt_regs *);
|
|
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif
|