another possibility for a debugging mode for the kernel would be to hack
gcc to emit something like the following in the prologue of every function
(after the frame is allocated):
movl %esp,%edx
andl %edx,0x1fff
cmpl %edx,sizeof(struct task)+512
jbe stack_overflow
where stack_overflow is a no_return routine... the 512 is just some fudge
factor where if we get that low on the stack we probably want to know
about it (perhaps compile time tuneable).
-dean
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This archive was generated by hypermail 2b29 : Thu May 31 2001 - 21:00:24 EST