On Mon, Apr 18, 2016 at 7:49 AM, Alan Modra <amo...@gmail.com> wrote: > On Mon, Apr 18, 2016 at 11:01:48AM +0200, Richard Biener wrote: >> To summarize: there is currently no testcase for a wrong-code issue >> because there is no wrong-code issue. > > That depends entirely on how far you are willing to bend the ELF gABI. > > Any testcase the takes the address of a protected visibility variable > defined in a shared library now can get the wrong answer, since you > can argue that any address outside the shared library is wrong > according to the gABI. >
What value should you get when taking an address of a function with protected visibility inside the shared library? Should it be pointed to the function body or its PLT entry in the executable which calls the function? -- H.J.
