| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | #define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS)) |
| 37 | /* |
| 38 | * The numbers chosen here are somewhat arbitrary but absolutely MUST |
| 39 | * not overlap with any of the number assigned in <linux/ptrace.h>. |
| 40 | * |
| 41 | * These ones are taken from IA-64 on the assumption that theirs are |
| 42 | * the most correct (and we also want to support PTRACE_SINGLEBLOCK |
| 43 | * since we have taken branch traps too) |
| 44 | */ |
| 45 | #define PTRACE_SINGLEBLOCK 12 /* resume execution until next branch */ |
| 46 | #ifdef __KERNEL__ |
| 47 | |
| 48 | /* XXX should we use iaoq[1] or iaoq[0] ? */ |
| 49 | #define user_mode(regs) (((regs)->iaoq[0] & 3) ? 1 : 0) |
| 50 | #define user_space(regs) (((regs)->iasq[1] != 0) ? 1 : 0) |
| 51 | #define instruction_pointer(regs) ((regs)->iaoq[0] & ~3) |
| 52 | #define profile_pc(regs) instruction_pointer(regs) |
| 53 | extern void show_regs(struct pt_regs *); |
| 54 | #endif |
| 55 | |
| 56 | #endif |