Rabih Chrabieh <chrabieh@xxxxxxxxx> writes: > The alias attribute in __attribute__((alias())) is defined as a > function attribute > (http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html). > > It is not defined as a variable attribute > (http://gcc.gnu.org/onlinedocs/gcc/Variable-Attributes.html). > > However, I tried using it for variables (under cygwin on pentium, gcc > version 3.4.4) and it seems to work! > For example, > > int AAA; > extern int BBB __attribute__((alias("AAA"))); > > seems to work properly. And it also creates the proper stabs for > debugging info. > > Then my question is: why does the online help (links above) define the > alias attribute for functions only? > - Is there a catch and it doesn't really work? > - Is the help not up to date? > - Or is the grammar general enough such that what works for functions > often automatically works for variables, but you didn't report it? This is a bug in the documentation. The alias attribute for variables works as it does for functions, and it should be documented as such. Ian
