On Mon, Oct 15, 2012 at 4:56 AM, Alfonso Acosta <alfonso.acosta@xxxxxxxxx> wrote: > > Under gcc 4.6.1 (and at least in the x86 64bit architecture), > __builtin_extract_return_address seems to be undefined. Sorry for not > using the trunk or the latest stable version but I need to stick to > this version for my production software. It should be defined in GCC 4.6.1. Note that it's called __builtin_extract_return_addr. > Can somebody point out on which architectures > __builtin_extract_return_address is actually supposed to do something? > My code should support at the very least x86 (32 and 64) and ARM for > which I presume it's just the identity function. It is not the identity function on ARM when running in 26-bit mode. Other architectures where it is not always the identity function: Alpha, MIPS, MMIX, PA, S390, S+CORE, SPARC. Ian
