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bh=oMxbCE/Wljy7AcRbglspu16Bsw+aBdLddtkrU/5qULk=; b=G7+P9JQRwdB+9bMc5WjKacCAFE oHH0VeP/yfsISb+1u9xojldZ15pKiESWuJSutwGozJO4YepCO6ICTXzDN5Ch8E3x91BnVKlk4/kRH cKPOQg9HuTSZG/7qO+OpjHYnf; Received: from 97-122-81-39.hlrn.qwest.net ([97.122.81.39]:60408 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 1kvSHT-0029b0-6W for gdb-patches@sourceware.org; Fri, 01 Jan 2021 14:48:19 -0700 From: Tom Tromey To: gdb-patches@sourceware.org Subject: [PATCH 111/203] Introduce unop_addr_operation Date: Fri, 1 Jan 2021 14:45:51 -0700 Message-Id: <20210101214723.1784144-112-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: 1kvSHT-0029b0-6W X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 97-122-81-39.hlrn.qwest.net (localhost.localdomain) [97.122.81.39]:60408 X-Source-Auth: tom+tromey.com X-Email-Count: 112 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 unop_addr_operation, which implements UNOP_ADDR. gdb/ChangeLog 2021-01-01 Tom Tromey * expop.h (class unop_addr_operation): New. * ax-gdb.c (gen_expr_unop) : New. --- gdb/ChangeLog | 5 +++++ gdb/ax-gdb.c | 5 +++++ gdb/expop.h | 36 ++++++++++++++++++++++++++++++++++++ 3 files changed, 46 insertions(+) diff --git a/gdb/ax-gdb.c b/gdb/ax-gdb.c index f7ab50f8cde..64710887534 100644 --- a/gdb/ax-gdb.c +++ b/gdb/ax-gdb.c @@ -2744,6 +2744,11 @@ gen_expr_unop (struct expression *exp, gen_deref (value); break; + case UNOP_ADDR: + lhs->generate_ax (exp, ax, value); + gen_address_of (value); + break; + default: gdb_assert_not_reached ("invalid case in gen_expr_unop"); } diff --git a/gdb/expop.h b/gdb/expop.h index 9f23b8afd7c..8ddc26d329a 100644 --- a/gdb/expop.h +++ b/gdb/expop.h @@ -1535,6 +1535,42 @@ class typeid_operation { return OP_TYPEID; } }; +/* Implement the address-of operation. */ +class unop_addr_operation + : public maybe_constant_operation +{ +public: + + using maybe_constant_operation::maybe_constant_operation; + + value *evaluate (struct type *expect_type, + struct expression *exp, + enum noside noside) override + { + /* C++: check for and handle pointer to members. */ + if (noside == EVAL_SKIP) + return eval_skip_value (exp); + else + return std::get<0> (m_storage)->evaluate_for_address (exp, noside); + } + + enum exp_opcode opcode () const override + { return UNOP_ADDR; } + +protected: + + void do_generate_ax (struct expression *exp, + struct agent_expr *ax, + struct axs_value *value, + struct type *cast_type) + override + { + gen_expr_unop (exp, UNOP_ADDR, + std::get<0> (this->m_storage).get (), + ax, value); + } +}; + } /* namespace expr */ #endif /* EXPOP_H */ -- 2.26.2