Hi - On Tue, Sep 13, 2005 at 03:50:47PM +0100, Will Newton wrote: > I'm parsing an operand with a custom parser, e.g.: > [...] > And then in the .opc file: > Parse_my_parser(...) > [...] Are you sure this function in the .opc file is being used? Parsers are normally named "parse_*" instead of "Parse_*". > However, when the error message is returned, instead of printing my > error message, as expected, gas spits out: > test.s:28: Error: unrecognized keyword/register name > [...] It's hard to say definitively. The error message could come from a prior operand, or a different problem. It may be informative to inspect the opcodes/ generated files, put debugger breakpoints or printf's into the code, and running the test again. - FChE