On 17 September 2010 02:05, Philip Herron <redbrain@xxxxxxxxxxx> wrote:
> Hey all
>
> Been asking on irc tonight but i think many might be sensible and
> sleeping. Anyway's this has been bugging me for some time, if i create
> a VAR_DECL such as:
>
> tree test = build_decl( UNKNOWN_LOCATION, VAR_DECL,
> get_identifier("test"),
> integer_type_node);
>
> TREE_CONSTANT (test) = 1;
> DECL_ARTIFICIAL (test) = 1;
> TREE_STATIC (test) = 1;
> TREE_READONLY (test) = 1;
> TREE_USED (test) = 1;
> DECL_INITIAL (test) = build_int_cst(integer_type_node, 1234 );
>
> And i add it to the vector for:
>
> wrapup_global_declarations( global_vec, global_vec_len );
>
> check_global_declarations( global_vec, global_vec_len );
> emit_debug_global_declarations( global_vec, global_vec_len );
>
> cgraph_finalize_compilation_unit( );
>
> This declaration is not compiled, though my FUNCTION_DCEL 's are
> compiled fine though with functions i call:
>
> gimplify_function_tree( retval );
>
> cgraph_add_new_function(retval, false);
> cgraph_finalize_function(retval, true);
>
> So they are gimplified though not sure what i should be calling on
> these VAR_DECL's, i just tried:
>
> set_user_assembler_name (test, "test");
> layout_decl (test, 0);
> rest_of_decl_compilation (test, 1, 0);
>
> gimple_seq seq_p = NULL;
> bool x = gimplify_stmt( &test, &seq_p );
> debug("x=<%i>!\n", (int)x );
>
> But no luck it does gimplify but it seems to not know where to put the
> stmt and then the tree goes null and i get a sigsegv later on. Not
> quite sure how to get this working.
>
> --Phil
>
Forgot to mention i think it could be a problem since the VAR_DECL has
no DECL_CONTEXT, i think i seen some gdb trace on a segfault and it
was due to no context. Maybe i am missing something super small :)
--Phil
