(alpha_linux_init_abi): Set gdbarch_pc_in_sigtramp to
alpha_linux_pc_in_sigtramp.
* alpha-osf1-tdep.c (alpha_osf1_pc_in_sigtramp): New function.
(alpha_osf1_init_abi): Set gdbarch_pc_in_sigtramp to
alpha_osf1_pc_in_sigtramp.
* alpha-tdep.c (alpha_osf_in_sigtramp): Remove.
* alphafbsd-tdep.c (alphafbsd_pc_in_sigtramp): New function.
(alphafbsd_init_abi): Set gdbarch_pc_in_sigtramp to
alphafbsd_pc_in_sigtramp.
* alphanbsd-tdep.c (alphanbsd_pc_in_sigtramp): New function.
(alphanbsd_init_abi): Set gdbarch_pc_in_sigtramp to
alphanbsd_pc_in_sigtramp.
* config/alpha/tm-alpha.h (IN_SIGTRAMP): Remove.
* config/alpha/tm-alphalinux.h (IN_SIGTRAMP): Remove.
alpha-tdep.h.
(alphafbsd_use_struct_convention): Make static.
(alphafbsd_init_abi): New function.
(_initialize_alphafbsd_tdep): New function.
* config/alpha/tm-fbsd.h: Update copyright years.
(USE_STRUCT_CONVENTION): Remove.
(USE_STRUCT_CONVENTION): Define in terms of
alphabsd_use_struct_convention.
* config/alpha/fbsd.mt (TDEPFILES): Add alphafbsd-tdep.c.
* alphafbsd-tdep.c: New file.