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Date: Tue, 09 Mar 1999 14:28:10 +0100 From: Hendrik Ruijter <Hendrik.Ruijter@axis.com> I have implemented a gdb-stub for our hw architecture. A colleague is at present evaulating gdb in ecos and it lead to some confusion. I use standard(?) gdb 4.17 on the host side with the serial protocol described in remote.c. However, the gdb-stub within ecos defines a different protocol, e.g. Hc-1 is obsolete according to my colleague. GDB 4.17 is nearly a year old; we've recently added some extensions to the remote protocol to support eCos. The 4.17+ release that is part of the eCos toolset on sourceware.cygnus.com includes these extensions as well, and they are in the upcoming 4.18 release as well. Do you intend to develop gdb in another direction from 4.17 on? Is there any standard gdb x.yz? I'm not clear on what you're getting at. If you mean "will the remote protocol change", then the answer is yes, but we do expect to extend it in a backward-compatible way. Is there any documentation on the differences between different 4.17 implementations? The gdb/NEWS file is the normal summary of user-visible changes to GDB. Releases made by Cygnus usually have a separate set of release notes. If these are insufficiently detailed, then you can send questions to bug-gdb, or ecos-discuss if you need more eCos detail, or gdb@cygnus.com if it touches on GDB development. Stan