48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
#ifndef _E2K_HW_BREAKPOINT_H
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#define _E2K_HW_BREAKPOINT_H
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#include <linux/types.h>
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struct arch_hw_breakpoint {
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unsigned long address;
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u8 len;
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u8 type;
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u8 ss;
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};
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#define HBP_NUM 4
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static inline int hw_breakpoint_slots(int type)
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{
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return HBP_NUM;
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}
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struct perf_event;
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struct perf_event_attr;
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struct task_struct;
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extern int arch_check_bp_in_kernelspace(struct arch_hw_breakpoint *hw);
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extern int hw_breakpoint_arch_parse(struct perf_event *bp,
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const struct perf_event_attr *attr,
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struct arch_hw_breakpoint *hw);
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extern int arch_install_hw_breakpoint(struct perf_event *bp);
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extern void arch_uninstall_hw_breakpoint(struct perf_event *bp);
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struct notifier_block;
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extern int hw_breakpoint_exceptions_notify(
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struct notifier_block *unused, unsigned long val, void *data);
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extern void hw_breakpoint_pmu_read(struct perf_event *bp);
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#ifdef CONFIG_HAVE_HW_BREAKPOINT
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extern void bp_data_overflow_handle(struct pt_regs *regs);
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extern void bp_instr_overflow_handle(struct pt_regs *regs);
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extern void clear_ptrace_hw_breakpoint(struct task_struct *tsk);
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#else /* ! CONFIG_HAVE_HW_BREAKPOINT */
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static inline void bp_data_overflow_handle(struct pt_regs *regs) { }
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static inline void bp_instr_overflow_handle(struct pt_regs *regs) { }
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static inline void clear_ptrace_hw_breakpoint(struct task_struct *tsk) {}
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#endif /* CONFIG_HAVE_HW_BREAKPOINT */
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#endif /* _E2K_HW_BREAKPOINT_H */
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