projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| bc3966bf JH |
2 | #ifndef _METAG_PTRACE_H |
| 3 | #define _METAG_PTRACE_H | |
| 4 | ||
| 5 | #include <linux/compiler.h> | |
| 6 | #include <uapi/asm/ptrace.h> | |
| 7 | #include <asm/tbx.h> | |
| 8 | ||
| 9 | #ifndef __ASSEMBLY__ | |
| 10 | ||
| 11 | /* this struct defines the way the registers are stored on the | |
| 12 | stack during a system call. */ | |
| 13 | ||
| 14 | struct pt_regs { | |
| 15 | TBICTX ctx; | |
| 16 | TBICTXEXTCB0 extcb0[5]; | |
| 17 | }; | |
| 18 | ||
| 19 | #define user_mode(regs) (((regs)->ctx.SaveMask & TBICTX_PRIV_BIT) > 0) | |
| 20 | ||
| 21 | #define instruction_pointer(regs) ((unsigned long)(regs)->ctx.CurrPC) | |
| 22 | #define profile_pc(regs) instruction_pointer(regs) | |
| 23 | ||
| 24 | #define task_pt_regs(task) \ | |
| 25 | ((struct pt_regs *)(task_stack_page(task) + \ | |
| 26 | sizeof(struct thread_info))) | |
| 27 | ||
| 28 | #define current_pt_regs() \ | |
| 29 | ((struct pt_regs *)((char *)current_thread_info() + \ | |
| 30 | sizeof(struct thread_info))) | |
| 31 | ||
| 32 | int syscall_trace_enter(struct pt_regs *regs); | |
| 33 | void syscall_trace_leave(struct pt_regs *regs); | |
| 34 | ||
| 35 | /* copy a struct user_gp_regs out to user */ | |
| 36 | int metag_gp_regs_copyout(const struct pt_regs *regs, | |
| 37 | unsigned int pos, unsigned int count, | |
| 38 | void *kbuf, void __user *ubuf); | |
| 39 | /* copy a struct user_gp_regs in from user */ | |
| 40 | int metag_gp_regs_copyin(struct pt_regs *regs, | |
| 41 | unsigned int pos, unsigned int count, | |
| 42 | const void *kbuf, const void __user *ubuf); | |
| 43 | /* copy a struct user_cb_regs out to user */ | |
| 44 | int metag_cb_regs_copyout(const struct pt_regs *regs, | |
| 45 | unsigned int pos, unsigned int count, | |
| 46 | void *kbuf, void __user *ubuf); | |
| 47 | /* copy a struct user_cb_regs in from user */ | |
| 48 | int metag_cb_regs_copyin(struct pt_regs *regs, | |
| 49 | unsigned int pos, unsigned int count, | |
| 50 | const void *kbuf, const void __user *ubuf); | |
| 51 | /* copy a struct user_rp_state out to user */ | |
| 52 | int metag_rp_state_copyout(const struct pt_regs *regs, | |
| 53 | unsigned int pos, unsigned int count, | |
| 54 | void *kbuf, void __user *ubuf); | |
| 55 | /* copy a struct user_rp_state in from user */ | |
| 56 | int metag_rp_state_copyin(struct pt_regs *regs, | |
| 57 | unsigned int pos, unsigned int count, | |
| 58 | const void *kbuf, const void __user *ubuf); | |
| 59 | ||
| 60 | #endif /* __ASSEMBLY__ */ | |
| 61 | #endif /* _METAG_PTRACE_H */ |