tdep->pc_in_sigtramp = alphanbsd_pc_in_sigtramp;
alphanbsd_init_abi (struct gdbarch_info info,                    struct gdbarch *gdbarch){  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);  /* Hook into the DWARF CFI frame unwinder.  */  alpha_dwarf2_init_abi (info, gdbarch);  /* Hook into the MDEBUG frame unwinder.  */  alpha_mdebug_init_abi (info, gdbarch);  set_gdbarch_pc_in_sigtramp (gdbarch, alphanbsd_pc_in_sigtramp);  /* NetBSD/alpha does not provide single step support via ptrace(2); we     must use software single-stepping.  */  set_gdbarch_software_single_step (gdbarch, alpha_software_single_step);  set_solib_svr4_fetch_link_map_offsets (gdbarch,                                 nbsd_lp64_solib_svr4_fetch_link_map_offsets);  tdep->dynamic_sigtramp_offset = alphanbsd_sigtramp_offset;  tdep->sigcontext_addr = alphanbsd_sigcontext_addr;  tdep->jb_pc = 2;  tdep->jb_elt_size = 8;}