}
}
+/* Process all "#pragma weak A = B" directives where we have not seen
+ a decl for A. */
+void
+maybe_apply_pending_pragma_weaks (void)
+{
+ tree *p, t, alias_id, id, decl, *next;
+
+ for (p = &pending_weaks; (t = *p) ; p = next)
+ {
+ next = &TREE_CHAIN (t);
+ alias_id = TREE_PURPOSE (t);
+ id = TREE_VALUE (t);
+
+ if (TREE_VALUE (t) == NULL)
+ continue;
+
+ decl = build_decl (FUNCTION_DECL, alias_id, default_function_type);
+
+ DECL_ARTIFICIAL (decl) = 1;
+ TREE_PUBLIC (decl) = 1;
+ DECL_EXTERNAL (decl) = 1;
+ DECL_WEAK (decl) = 1;
+
+ assemble_alias (decl, id);
+ }
+}
+
/* #pragma weak name [= value] */
static void
handle_pragma_weak (cpp_reader * ARG_UNUSED (dummy))
maybe_apply_pragma_weak (tree ARG_UNUSED (decl))
{
}
+
+void
+maybe_apply_pending_pragma_weaks (void)
+{
+}
#endif /* HANDLE_PRAGMA_WEAK */
/* GCC supports two #pragma directives for renaming the external
visibility_options.inpragma = 1;
}
if (c_lex (&x) != CPP_CLOSE_PAREN)
- GCC_BAD ("missing '(' after %<#pragma GCC visibility push%> - ignored");
+ GCC_BAD ("missing %<(%> after %<#pragma GCC visibility push%> - ignored");
}
}
if (c_lex (&x) != CPP_EOF)
#endif
-/* Front-end wrapper for pragma registration to avoid dragging
+/* Front-end wrappers for pragma registration to avoid dragging
cpplib.h in almost everywhere. */
void
c_register_pragma (const char *space, const char *name,
void (*handler) (struct cpp_reader *))
{
- cpp_register_pragma (parse_in, space, name, handler);
+ cpp_register_pragma (parse_in, space, name, handler, 0);
+}
+
+void
+c_register_pragma_with_expansion (const char *space, const char *name,
+ void (*handler) (struct cpp_reader *))
+{
+ cpp_register_pragma (parse_in, space, name, handler, 1);
}
/* Set up front-end pragmas. */
init_pragma (void)
{
#ifdef HANDLE_PRAGMA_PACK
+#ifdef HANDLE_PRAGMA_PACK_WITH_EXPANSION
+ c_register_pragma_with_expansion (0, "pack", handle_pragma_pack);
+#else
c_register_pragma (0, "pack", handle_pragma_pack);
#endif
+#endif
#ifdef HANDLE_PRAGMA_WEAK
c_register_pragma (0, "weak", handle_pragma_weak);
#endif