Copyright ã 2005 Symbian Ltd.
59
Checking for stack
overflow
•The stack has overflowed if R13 < stack base
…Plus: the exception id will indicate a
data abort
Exc 1 Cpsr=68000030 FAR=00414fe8
FSR=00000807
R12=800c3699 R13=00414ff8 R14=800c8d43 R15=800c8a1c
User stack base 00415000 size 1000
RAM
Start of
Stack = 416000
Stack
Base = 415000
Stack moves down (R13 gets smaller) from top of stack to the base
Stack
Overflow