* linux-arm-low.c (struct arm_linux_hwbp_cap): Remove.
(arm_linux_hwbp_cap): New static variable.
(arm_linux_get_hwbp_cap): Replace by ...
(arm_linux_init_hwbp_cap): ... this new function.
(arm_linux_get_hw_breakpoint_count): Use arm_linux_hwbp_cap.
(arm_linux_get_hw_watchpoint_count): Likewise.
(arm_linux_get_hw_watchpoint_max_length): Likewise.
(arm_arch_setup): Call arm_linux_init_hwbp_cap.
(arm_prepare_to_resume): Use perror_with_name instead of error.