On 10/26/2016 04:46 PM, Georg-Johann Lay wrote:
+ if { [istarget avr-*-*] } {
+ # If the value of a label does not fit into 16 bits, the linker
+ # will generate a stub (containing a direct jump) and we end up
+ # with the address of the stub instead of the address of the very
+ # label. Whereas it is legitimate to use such addresses for
+ # indirect jumps, it makes no sense to perform any arithmetic
+ # on such addresses.
+ return [check_no_compiler_messages label_offsets assembly {
+ #ifdef __AVR_3_BYTE_PC__
+ #error NO
+ #endif
+ }]
+ }
+ return 1;
I'm not sure I understand the failure mode. Sure, you're not getting the
address of the actual label, but the address of one that's equivalent -
so why can't you do arithmetic on it? Where does it go wrong?
Am I right in thinking that only the execution test actually fails?
Bernd
