[EMAIL PROTECTED] writes: > I am planning to use to __builtin_return_address to get the caller's > address of a function. My understanding is that this built-in function > uses frame pointers (PUSH EBP to the stack) to track caller functions > of multiple levels.
On x86, yes. > If this is correct, does that also mean omit-frame-pointer compiler > option has to always be OFF when __built_return_address(1) is used? Yes: if '-fomit-frame-pointer' is in effect, then __built_return_address(1) may return anything, or even crash. Cheers, -- In order to understand recursion you must first understand recursion. Remove /-nsp/ for email. _______________________________________________ help-gplusplus mailing list help-gplusplus@gnu.org http://lists.gnu.org/mailman/listinfo/help-gplusplus
