[Bug go/47656] libgo.so has writable executable stack

[ian at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47656

--- Comment #1 from ian at gcc dot gnu.org <ian at gcc dot gnu.org> 2012-01-27 
22:25:06 UTC ---
Author: ian
Date: Fri Jan 27 22:25:02 2012
New Revision: 183650

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183650
Log:
compiler: Use new __builtin_init_heap_trampoline.

    PR go/47656
    * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
    * builtins.c (expand_builtin_init_trampoline): Add onstack
    parameter.  Change caller.
    (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
    * tree.c (build_common_builtin_nodes): Declare
    __builtin_init_heap_trampoline.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c
    trunk/gcc/builtins.def
    trunk/gcc/go/gofrontend/gogo-tree.cc
    trunk/gcc/tree.c