61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
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#ifndef _METAG_PTRACE_H
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#define _METAG_PTRACE_H
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#include <linux/compiler.h>
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#include <uapi/asm/ptrace.h>
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#include <asm/tbx.h>
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#ifndef __ASSEMBLY__
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/* this struct defines the way the registers are stored on the
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stack during a system call. */
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struct pt_regs {
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TBICTX ctx;
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TBICTXEXTCB0 extcb0[5];
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};
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#define user_mode(regs) (((regs)->ctx.SaveMask & TBICTX_PRIV_BIT) > 0)
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#define instruction_pointer(regs) ((unsigned long)(regs)->ctx.CurrPC)
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#define profile_pc(regs) instruction_pointer(regs)
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#define task_pt_regs(task) \
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((struct pt_regs *)(task_stack_page(task) + \
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sizeof(struct thread_info)))
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#define current_pt_regs() \
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((struct pt_regs *)((char *)current_thread_info() + \
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sizeof(struct thread_info)))
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int syscall_trace_enter(struct pt_regs *regs);
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void syscall_trace_leave(struct pt_regs *regs);
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/* copy a struct user_gp_regs out to user */
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int metag_gp_regs_copyout(const struct pt_regs *regs,
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unsigned int pos, unsigned int count,
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void *kbuf, void __user *ubuf);
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/* copy a struct user_gp_regs in from user */
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int metag_gp_regs_copyin(struct pt_regs *regs,
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unsigned int pos, unsigned int count,
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const void *kbuf, const void __user *ubuf);
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/* copy a struct user_cb_regs out to user */
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int metag_cb_regs_copyout(const struct pt_regs *regs,
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unsigned int pos, unsigned int count,
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void *kbuf, void __user *ubuf);
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/* copy a struct user_cb_regs in from user */
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int metag_cb_regs_copyin(struct pt_regs *regs,
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unsigned int pos, unsigned int count,
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const void *kbuf, const void __user *ubuf);
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/* copy a struct user_rp_state out to user */
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int metag_rp_state_copyout(const struct pt_regs *regs,
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unsigned int pos, unsigned int count,
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void *kbuf, void __user *ubuf);
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/* copy a struct user_rp_state in from user */
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int metag_rp_state_copyin(struct pt_regs *regs,
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unsigned int pos, unsigned int count,
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const void *kbuf, const void __user *ubuf);
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#endif /* __ASSEMBLY__ */
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#endif /* _METAG_PTRACE_H */
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