+#if defined (DWARF2_BUILD_FRAME_INFO)
+/* Legacy for systems yet to multi-arch DWARF2_BUILD_FRAME_INFO */
+#if !defined (DWARF2_BUILD_FRAME_INFO_P)
+#define DWARF2_BUILD_FRAME_INFO_P() (1)
+#endif
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (!GDB_MULTI_ARCH) && !defined (DWARF2_BUILD_FRAME_INFO_P)
+#define DWARF2_BUILD_FRAME_INFO_P() (0)
+#endif
+
+extern int gdbarch_dwarf2_build_frame_info_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (DWARF2_BUILD_FRAME_INFO_P)
+#error "Non multi-arch definition of DWARF2_BUILD_FRAME_INFO"
+#endif
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (DWARF2_BUILD_FRAME_INFO_P)
+#define DWARF2_BUILD_FRAME_INFO_P() (gdbarch_dwarf2_build_frame_info_p (current_gdbarch))
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (DWARF2_BUILD_FRAME_INFO)
+#define DWARF2_BUILD_FRAME_INFO(objfile) (internal_error (__FILE__, __LINE__, "DWARF2_BUILD_FRAME_INFO"), 0)
+#endif
+
+typedef void (gdbarch_dwarf2_build_frame_info_ftype) (struct objfile *objfile);
+extern void gdbarch_dwarf2_build_frame_info (struct gdbarch *gdbarch, struct objfile *objfile);
+extern void set_gdbarch_dwarf2_build_frame_info (struct gdbarch *gdbarch, gdbarch_dwarf2_build_frame_info_ftype *dwarf2_build_frame_info);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (DWARF2_BUILD_FRAME_INFO)
+#error "Non multi-arch definition of DWARF2_BUILD_FRAME_INFO"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (DWARF2_BUILD_FRAME_INFO)
+#define DWARF2_BUILD_FRAME_INFO(objfile) (gdbarch_dwarf2_build_frame_info (current_gdbarch, objfile))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (ELF_MAKE_MSYMBOL_SPECIAL)
+#define ELF_MAKE_MSYMBOL_SPECIAL(sym, msym) (default_elf_make_msymbol_special (sym, msym))
+#endif
+
+typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym);
+extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym);
+extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (ELF_MAKE_MSYMBOL_SPECIAL)
+#error "Non multi-arch definition of ELF_MAKE_MSYMBOL_SPECIAL"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (ELF_MAKE_MSYMBOL_SPECIAL)
+#define ELF_MAKE_MSYMBOL_SPECIAL(sym, msym) (gdbarch_elf_make_msymbol_special (current_gdbarch, sym, msym))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (COFF_MAKE_MSYMBOL_SPECIAL)
+#define COFF_MAKE_MSYMBOL_SPECIAL(val, msym) (default_coff_make_msymbol_special (val, msym))
+#endif
+
+typedef void (gdbarch_coff_make_msymbol_special_ftype) (int val, struct minimal_symbol *msym);
+extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym);
+extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (COFF_MAKE_MSYMBOL_SPECIAL)
+#error "Non multi-arch definition of COFF_MAKE_MSYMBOL_SPECIAL"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (COFF_MAKE_MSYMBOL_SPECIAL)
+#define COFF_MAKE_MSYMBOL_SPECIAL(val, msym) (gdbarch_coff_make_msymbol_special (current_gdbarch, val, msym))
+#endif
+#endif
+