This is a Mac OS X / GDB counterpart to Divide by Zero (user mode) pattern previously described for Windows platforms (Volume 2, page 96):
(gdb) bt #0 0×000000010d3ebe9e in bar (a=1, b=0) #1 0×000000010d3ebec3 in foo () #2 0×000000010d3ebeeb in main (argc=1, argv=0×7fff6cfeab18) (gdb) x/i 0×000000010d3ebe9e 0×10d3ebe9e : idiv %esi (gdb) info r rsi rsi 0×0 0
The modeling application source code:
int bar(int a, int b) { return a/b; } int foo() { return bar(1,0); } int main(int argc, const char * argv[]) { return foo(); }