Hi Andrew,

>If tm-sysv4.h were to get the addition you suggest then this mechanism
>would be defeated for other maintainers - they would silently get the
>uninitialized multi-arch version of SKIP_TRAMPOLINE_CODE instead of a
>compilation error alerting them to the need for maintenance.

This sounds to me like if GDB_MULTI_ARCH is set to 2 people should be
forced
to initialise set_gdbarch_skip_trampoline_code rather than give them a
dummy default trampoline function,
& give them the usual runtime errors on startup & still leave the
tm-sysv4.h changes in.

D.J. Barrow Gnu/Linux for S/390 kernel developer
eMail: djbarrow@de.ibm.com,barrow_dj@yahoo.com
Phone: +49-(0)7031-16-2583
IBM Germany Lab, SchÃ¶naicherstr. 220, 71032 BÃ¶blingen