diff options
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index fca0123..50a27fe 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -3434,6 +3434,16 @@ c_common_nodes_and_builtins (cplus_mode, no_builtins, no_nonansi_builtins) tree long_ftype_long; /* Either char* or void*. */ tree traditional_ptr_type_node; + tree va_list_ptr_type_node; + +#ifdef BUILD_VA_LIST_TYPE + BUILD_VA_LIST_TYPE(va_list_type_node); +#else + va_list_type_node = ptr_type_node; +#endif + pushdecl (build_decl (TYPE_DECL, get_identifier ("__builtin_va_list"), + va_list_type_node)); + va_list_ptr_type_node = build_pointer_type (va_list_type_node); endlink = void_list_node; int_endlink = tree_cons (NULL_TREE, integer_type_node, endlink); @@ -3608,6 +3618,37 @@ c_common_nodes_and_builtins (cplus_mode, no_builtins, no_nonansi_builtins) builtin_function ("__builtin_return", void_ftype_ptr, BUILT_IN_RETURN, NULL_PTR); + /* Support for varargs.h and stdarg.h. */ + builtin_function ("__builtin_varargs_start", + build_function_type (void_type_node, + tree_cons (NULL_TREE, + va_list_ptr_type_node, + endlink)), + BUILT_IN_VARARGS_START, NULL_PTR); + + builtin_function ("__builtin_stdarg_start", + build_function_type (void_type_node, + tree_cons (NULL_TREE, + va_list_ptr_type_node, + NULL_TREE)), + BUILT_IN_STDARG_START, NULL_PTR); + + builtin_function ("__builtin_va_end", + build_function_type (void_type_node, + tree_cons (NULL_TREE, + va_list_type_node, + endlink)), + BUILT_IN_VA_END, NULL_PTR); + + builtin_function ("__builtin_va_copy", + build_function_type (void_type_node, + tree_cons (NULL_TREE, + va_list_ptr_type_node, + tree_cons (NULL_TREE, + va_list_type_node, + endlink))), + BUILT_IN_VA_COPY, NULL_PTR); + /* Currently under experimentation. */ builtin_function ("__builtin_memcpy", memcpy_ftype, BUILT_IN_MEMCPY, "memcpy"); @@ -3712,3 +3753,10 @@ c_common_nodes_and_builtins (cplus_mode, no_builtins, no_nonansi_builtins) NULL_PTR); #endif } + +tree +build_va_arg (expr, type) + tree expr, type; +{ + return build1 (VA_ARG_EXPR, type, expr); +} |