From patchwork Tue Nov 2 14:06:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Gladkov X-Patchwork-Id: 12598991 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D07F2C433F5 for ; Tue, 2 Nov 2021 14:09:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AC02560F58 for ; Tue, 2 Nov 2021 14:09:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229712AbhKBOMW convert rfc822-to-8bit (ORCPT ); Tue, 2 Nov 2021 10:12:22 -0400 Received: from us-smtp-delivery-44.mimecast.com ([205.139.111.44]:42767 "EHLO us-smtp-delivery-44.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230257AbhKBOMW (ORCPT ); Tue, 2 Nov 2021 10:12:22 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-344-8Hzs58R7O-GzEK3NfkDYTA-1; Tue, 02 Nov 2021 10:09:44 -0400 X-MC-Unique: 8Hzs58R7O-GzEK3NfkDYTA-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7162E136435; Tue, 2 Nov 2021 14:07:51 +0000 (UTC) Received: from comp-core-i7-2640m-0182e6.redhat.com (unknown [10.36.110.6]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3586B67855; Tue, 2 Nov 2021 14:07:50 +0000 (UTC) From: Alexey Gladkov To: Luc Van Oostenryck Cc: linux-sparse@vger.kernel.org, Oleg Nesterov , Alexey Gladkov Subject: [PATCH 2/3] dissect: Show macro definitions Date: Tue, 2 Nov 2021 15:06:44 +0100 Message-Id: <20211102140645.83081-3-gladkov.alexey@gmail.com> In-Reply-To: <20211102140645.83081-1-gladkov.alexey@gmail.com> References: <20211102140645.83081-1-gladkov.alexey@gmail.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=gladkov.alexey@gmail.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: gmail.com Precedence: bulk List-ID: X-Mailing-List: linux-sparse@vger.kernel.org Add the ability to dissect to see macro definitions. The patch does not add full support for the usage of macros, but only their definitions. Signed-off-by: Alexey Gladkov --- dissect.c | 13 ++++++++++++- test-dissect.c | 3 ++- 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/dissect.c b/dissect.c index 0d6c3288..7d5d92c9 100644 --- a/dissect.c +++ b/dissect.c @@ -610,6 +610,11 @@ static struct symbol *do_initializer(struct symbol *type, struct expression *exp return type; } +static inline bool is_macro(struct symbol *sym) +{ + return (sym->namespace == NS_MACRO || sym->namespace == NS_UNDEF); +} + static inline struct symbol *do_symbol(struct symbol *sym) { struct symbol *type = base_type(sym); @@ -654,7 +659,7 @@ static void do_sym_list(struct symbol_list *list) static inline bool valid_namespace(enum namespace ns) { - return (ns == NS_STRUCT || ns == NS_SYMBOL); + return (ns == NS_MACRO || ns == NS_UNDEF || ns == NS_STRUCT || ns == NS_SYMBOL); } static void do_file(char *file) @@ -668,6 +673,12 @@ static void do_file(char *file) DO_LIST(file_scope->symbols, sym, if (input_streams[sym->pos.stream].fd != -1 && valid_namespace(sym->namespace)) { + if (is_macro(sym)) { + sym->kind = 'd'; + reporter->r_symdef(sym); + continue; + } + if (sym->type == SYM_STRUCT || sym->type == SYM_UNION) { sym->ctype.base_type = sym; examine_sym_node(sym, NULL); diff --git a/test-dissect.c b/test-dissect.c index 58b3e633..3d870a97 100644 --- a/test-dissect.c +++ b/test-dissect.c @@ -57,11 +57,12 @@ static void r_symbol(unsigned mode, struct position *pos, struct symbol *sym) show_typename(sym->ctype.base_type)); switch (sym->kind) { + case 'd': + break; case 's': if (sym->type == SYM_STRUCT || sym->type == SYM_UNION) break; goto err; - case 'f': if (sym->type != SYM_BAD && sym->ctype.base_type->type != SYM_FN) goto err;