From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id 8KcUK6aY71/aTQAAWB0awg (envelope-from ) for ; Fri, 01 Jan 2021 16:48:22 -0500 Received: by simark.ca (Postfix, from userid 112) id A05F21F0AA; Fri, 1 Jan 2021 16:48:21 -0500 (EST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED, MAILING_LIST_MULTI,T_DKIM_INVALID,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (server2.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id E26471F0AA for ; Fri, 1 Jan 2021 16:48:12 -0500 (EST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 6BE643892451; Fri, 1 Jan 2021 21:48:04 +0000 (GMT) Received: from gateway33.websitewelcome.com (gateway33.websitewelcome.com [192.185.146.130]) by sourceware.org (Postfix) with ESMTPS id 5877D389244E for ; Fri, 1 Jan 2021 21:48:01 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 5877D389244E Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=tromey.com Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=tom@tromey.com Received: from cm11.websitewelcome.com (cm11.websitewelcome.com [100.42.49.5]) by gateway33.websitewelcome.com (Postfix) with ESMTP id 0467FBEC5D7 for ; Fri, 1 Jan 2021 15:48:01 -0600 (CST) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with SMTP id vSHAka1PFnPrxvSHBkldqn; Fri, 01 Jan 2021 15:48:01 -0600 X-Authority-Reason: nr=8 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tromey.com; s=default; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Sender:Reply-To:Cc:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=I1Cipg6/YWD1F7j/oTTfAwJs9nqeNaUl8antGQ7qxuA=; b=mUjzKEZGN5Ewdf2y/sIthXu/Wv gbYmaTg8PyEgz7zbPB0VTeDi+I3rGH5FGz+2jUwBSuv7QxIFi6p8KEPdEbeE3GJrhEpldGe+G5iM+ GnJ7PG7GXSXizaEQzP++82y5p; Received: from 97-122-81-39.hlrn.qwest.net ([97.122.81.39]:60390 helo=localhost.localdomain) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1kvSHA-0029Mc-Qe for gdb-patches@sourceware.org; Fri, 01 Jan 2021 14:48:00 -0700 From: Tom Tromey To: gdb-patches@sourceware.org Subject: [PATCH 076/203] Introduce float_const_operation Date: Fri, 1 Jan 2021 14:45:16 -0700 Message-Id: <20210101214723.1784144-77-tom@tromey.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210101214723.1784144-1-tom@tromey.com> References: <20210101214723.1784144-1-tom@tromey.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box5379.bluehost.com X-AntiAbuse: Original Domain - sourceware.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tromey.com X-BWhitelist: no X-Source-IP: 97.122.81.39 X-Source-L: No X-Exim-ID: 1kvSHA-0029Mc-Qe X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 97-122-81-39.hlrn.qwest.net (localhost.localdomain) [97.122.81.39]:60390 X-Source-Auth: tom+tromey.com X-Email-Count: 77 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces@sourceware.org Sender: "Gdb-patches" This adds class float_const_operation, an operation holding a floating-point constant. Unlike most other new operations, this one requires a custom 'dump' method. gdb/ChangeLog 2021-01-01 Tom Tromey * expprint.c (float_const_operation::dump): New method. * expop.h (float_data): New typedef. (class float_const_operation): New. --- gdb/ChangeLog | 6 ++++++ gdb/expop.h | 42 ++++++++++++++++++++++++++++++++++++++++++ gdb/expprint.c | 8 ++++++++ 3 files changed, 56 insertions(+) diff --git a/gdb/expop.h b/gdb/expop.h index 2e7191cf59c..6af6504332e 100644 --- a/gdb/expop.h +++ b/gdb/expop.h @@ -371,6 +371,48 @@ class maybe_constant_operation } }; +/* A floating-point constant. The constant is encoded in the target + format. */ + +typedef std::array float_data; + +/* An operation that holds a floating-point constant of a given + type. + + This does not need the facilities provided by + tuple_holding_operation, so it does not use it. */ +class float_const_operation + : public operation +{ +public: + + float_const_operation (struct type *type, float_data data) + : m_type (type), + m_data (data) + { + } + + value *evaluate (struct type *expect_type, + struct expression *exp, + enum noside noside) override + { + return value_from_contents (m_type, m_data.data ()); + } + + enum exp_opcode opcode () const override + { return OP_FLOAT; } + + bool constant_p () const override + { return true; } + + void dump (struct ui_file *stream, int depth) const override; + +private: + + struct type *m_type; + float_data m_data; +}; + } /* namespace expr */ #endif /* EXPOP_H */ diff --git a/gdb/expprint.c b/gdb/expprint.c index 3c84a65bfda..0f4c8602f1c 100644 --- a/gdb/expprint.c +++ b/gdb/expprint.c @@ -1276,4 +1276,12 @@ dump_for_expression (struct ui_file *stream, int depth, fprintf_filtered (stream, "\n"); } +void +float_const_operation::dump (struct ui_file *stream, int depth) const +{ + fprintf_filtered (stream, _("%*sFloat: "), depth, ""); + print_floating (m_data.data (), m_type, stream); + fprintf_filtered (stream, "\n"); +} + } /* namespace expr */ -- 2.26.2