In message <DEF39A0710293E489D45B10E06645CBD02671CA2 at dub-msx1.spectelcorp.com> you wrote: > > My problem is that I dont really know what address the core is trying to > write to when the exception occurs. > As I mentioned in the previous message, the write() calls _syscall3() macro > which will perform the write operation, but early in that macro the assembly > 'sc' instruction is called. > As I cannot step through 'sc', I cannot go further on investigating at what > write access the exception occurs.
But you can set a breakpoint in the sc exception handler. > How do I even find out what is the start address of the file associated with > the file descritor? Analyze at which offset the file starts in your filesystem image; find out the load address of the filesystem image in RAM; add the offset. Best regards, Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de "Love is an ideal thing, marriage a real thing; a confusion of the real with the ideal never goes unpunished." - Goethe ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
