Alfred Perlstein <bri...@rush.net> writes: > On 18 Jul 1999, Dag-Erling Smorgrav wrote: > > Alfred Perlstein <bri...@rush.net> writes: > > > I doubt this is > > > at all portable and may fail because of optimizations and ABI, such > > > as archs that store the return address in a register... > > I know - I don't expect it to be portable. > *slap* :)
It's #ifdef'ed so you can drop it on platforms where it doesn't work :) > > > gdb and glibc have some functions to assist in runtime backtraces, > > > perhaps a look there may help? > > I found out about __builtin_return_address(0). > what is that? a function? available on freebsd? GCC builtin function. > by setting an alternate signal stack i think you can check > if you are in a signal using this. this may not be the best way > but it seems like a viable solution. Hmm, I ended up using a global variable which I increment at the beginning of the signal handler, and decrement at the end. DES -- Dag-Erling Smorgrav - d...@flood.ping.uio.no To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-hackers" in the body of the message
