+/* Check if the given VALUE is a valid enum dwarf_calling_convention
+ constant for a type, according to DWARF5 spec, Table 5.5. */
+
+static bool
+is_valid_DW_AT_calling_convention_for_type (ULONGEST value)
+{
+ switch (value)
+ {
+ case DW_CC_normal:
+ case DW_CC_pass_by_reference:
+ case DW_CC_pass_by_value:
+ return true;
+
+ default:
+ complaint (_("unrecognized DW_AT_calling_convention value "
+ "(%s) for a type"), pulongest (value));
+ return false;
+ }
+}
+
+/* Check if the given VALUE is a valid enum dwarf_calling_convention
+ constant for a subroutine, according to DWARF5 spec, Table 3.3, and
+ also according to GNU-specific values (see include/dwarf2.h). */
+
+static bool
+is_valid_DW_AT_calling_convention_for_subroutine (ULONGEST value)
+{
+ switch (value)
+ {
+ case DW_CC_normal:
+ case DW_CC_program:
+ case DW_CC_nocall:
+ return true;
+
+ case DW_CC_GNU_renesas_sh:
+ case DW_CC_GNU_borland_fastcall_i386:
+ case DW_CC_GDB_IBM_OpenCL:
+ return true;
+
+ default:
+ complaint (_("unrecognized DW_AT_calling_convention value "
+ "(%s) for a subroutine"), pulongest (value));
+ return false;
+ }
+}
+