From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luc Van Oostenryck Subject: [PATCH 3/5] predefine __SIZEOF_INT__ & friends Date: Mon, 27 Mar 2017 16:19:16 +0200 Message-ID: <20170327141918.61151-4-luc.vanoostenryck@gmail.com> References: <20170327141918.61151-1-luc.vanoostenryck@gmail.com> Return-path: Received: from mail-wr0-f195.google.com ([209.85.128.195]:33567 "EHLO mail-wr0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752800AbdC0OVk (ORCPT ); Mon, 27 Mar 2017 10:21:40 -0400 Received: by mail-wr0-f195.google.com with SMTP id 20so13746627wrx.0 for ; Mon, 27 Mar 2017 07:21:28 -0700 (PDT) In-Reply-To: <20170327141918.61151-1-luc.vanoostenryck@gmail.com> Sender: linux-sparse-owner@vger.kernel.org List-Id: linux-sparse@vger.kernel.org To: linux-sparse@vger.kernel.org Cc: Ramsay Jones , Christopher Li , Luc Van Oostenryck Some tests or some code depends on these macros being predefined by the compiler. Predefine them. Signed-off-by: Luc Van Oostenryck --- lib.c | 10 ++++++++++ validation/preprocessor/predef-sizeof.c | 25 +++++++++++++++++++++++++ 2 files changed, 35 insertions(+) create mode 100644 validation/preprocessor/predef-sizeof.c diff --git a/lib.c b/lib.c index 4e6e6acd6..cf6bea645 100644 --- a/lib.c +++ b/lib.c @@ -844,11 +844,21 @@ static void predefined_macros(void) { add_pre_buffer("#define __CHECKER__ 1\n"); + predefined_sizeof("SHORT", bits_in_short); + predefined_type_size("INT", "", bits_in_int); predefined_type_size("LONG", "L", bits_in_long); predefined_type_size("LONG_LONG", "LL", bits_in_longlong); + predefined_sizeof("INT128", 128); + + predefined_sizeof("SIZE_T", bits_in_pointer); + predefined_sizeof("PTRDIFF_T", bits_in_pointer); predefined_sizeof("POINTER", bits_in_pointer); + + predefined_sizeof("FLOAT", bits_in_float); + predefined_sizeof("DOUBLE", bits_in_double); + predefined_sizeof("LONG_DOUBLE", bits_in_longdouble); } void declare_builtin_functions(void) diff --git a/validation/preprocessor/predef-sizeof.c b/validation/preprocessor/predef-sizeof.c new file mode 100644 index 000000000..12be2dd1d --- /dev/null +++ b/validation/preprocessor/predef-sizeof.c @@ -0,0 +1,25 @@ +#define TEST(X, T) if (__SIZEOF_ ## X ## __ != sizeof(T)) return 1 + +int test_sizeof(void) +{ + TEST(SHORT, short); + TEST(INT, int); + TEST(LONG, long); + TEST(LONG_LONG, long long); + TEST(INT128, __int128); + TEST(SIZE_T, __SIZE_TYPE__); + TEST(POINTER, void*); + TEST(FLOAT, float); + TEST(DOUBLE, double); + TEST(LONG_DOUBLE, long double); + + return 0; +} + +/* + * check-name: predefined __SIZEOF___ + * check-command: test-linearize -Wno-decl $file + * check-output-ignore + * + * check-output-contains: ret\\..*\\$0 + */ -- 2.12.0