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[8.43.85.97]) by mx.google.com with ESMTPS id hr39-20020a1709073fa700b007aae0b30283si9680749ejc.691.2022.11.27.20.49.07 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 27 Nov 2022 20:49:07 -0800 (PST) Received-SPF: pass (google.com: domain of binutils-bounces+ouuuleilei=gmail.com@sourceware.org designates 8.43.85.97 as permitted sender) client-ip=8.43.85.97; Authentication-Results: mx.google.com; dkim=pass header.i=@sourceware.org header.s=default header.b=ZeLEc7y1; spf=pass (google.com: domain of binutils-bounces+ouuuleilei=gmail.com@sourceware.org designates 8.43.85.97 as permitted sender) smtp.mailfrom="binutils-bounces+ouuuleilei=gmail.com@sourceware.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 0D78F38532C6 for ; Mon, 28 Nov 2022 04:46:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0D78F38532C6 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1669610811; bh=XSZD37qTJXO+TRvhUYpKHayjZGjaqevy/t0aZ5yKNqw=; h=To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From:Reply-To:From; b=ZeLEc7y1mhe8PJ0w55xQmCsHmb5wmUaZZ+nmR0v4saJWazRJcBdWu7FHmS7zsZxZQ fbcxjXJZIrwiWEfStzCNGUrYFxtzRiVJaV8yVDXld3Q0Cg0iyC2jdjOkQ0FaZhbB/w 2GccaL7gKfpSLfC5Yh2nzupXdqrM/DloqVS4eWdU= X-Original-To: binutils@sourceware.org Delivered-To: binutils@sourceware.org Received: from mail-sender-0.a4lg.com (mail-sender.a4lg.com [153.120.152.154]) by sourceware.org (Postfix) with ESMTPS id 53CB33855175 for ; Mon, 28 Nov 2022 04:46:02 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 53CB33855175 Received: from [127.0.0.1] (localhost [127.0.0.1]) by mail-sender-0.a4lg.com (Postfix) with ESMTPSA id AEA06300089; Mon, 28 Nov 2022 04:46:00 +0000 (UTC) To: Tsukasa OI , Nelson Chu , Kito Cheng , Palmer Dabbelt Cc: binutils@sourceware.org Subject: [PATCH v2 11/11] RISC-V: Move disassembler private data initialization Date: Mon, 28 Nov 2022 04:43:46 +0000 Message-Id: <75d9e5b0cfebcce34c855e4c98a956de4d7d7753.1669610611.git.research_trasio@irq.a4lg.com> In-Reply-To: References: Mime-Version: 1.0 X-Spam-Status: No, score=-12.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, GIT_PATCH_0, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: binutils@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Tsukasa OI via Binutils From: Tsukasa OI Reply-To: Tsukasa OI Errors-To: binutils-bounces+ouuuleilei=gmail.com@sourceware.org Sender: "Binutils" X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1749537243984054289?= X-GMAIL-MSGID: =?utf-8?q?1750713969388692992?= From: Tsukasa OI Because disassemble_info.private_data could be used not only by riscv_disassemble_insn, this commit splits the initialization of the private data to a separate function. This commit now allows storing mapping symbol and/or section-related information to riscv_private_data. In performance perspective, it also has a penalty. However, it can be easily paid back by other optimizations and it makes implementing some optimizations easier. opcodes/ChangeLog: * riscv-dis.c (init_riscv_dis_private_data): New. (riscv_disassemble_insn): Move private data initialization to init_riscv_dis_private_data. (print_insn_riscv): Start initializing the private data instead of instruction only riscv_disassemble_insn function. --- opcodes/riscv-dis.c | 51 +++++++++++++++++++++++++-------------------- 1 file changed, 28 insertions(+), 23 deletions(-) diff --git a/opcodes/riscv-dis.c b/opcodes/riscv-dis.c index d48448bb3597..b9309c092b17 100644 --- a/opcodes/riscv-dis.c +++ b/opcodes/riscv-dis.c @@ -219,6 +219,29 @@ init_riscv_dis_state_for_arch_and_options (void) is_arch_changed = false; } +/* Initialize private data of the disassemble_info. */ + +static void +init_riscv_dis_private_data (struct disassemble_info *info) +{ + struct riscv_private_data *pd; + + pd = info->private_data = xcalloc (1, sizeof (struct riscv_private_data)); + pd->gp = 0; + pd->print_addr = 0; + for (int i = 0; i < (int)ARRAY_SIZE (pd->hi_addr); i++) + pd->hi_addr[i] = -1; + pd->to_print_addr = false; + pd->has_gp = false; + + for (int i = 0; i < info->symtab_size; i++) + if (strcmp (bfd_asymbol_name (info->symtab[i]), RISCV_GP_SYMBOL) == 0) + { + pd->gp = bfd_asymbol_value (info->symtab[i]); + pd->has_gp = true; + } +} + /* Update architecture for disassembler with its context. Call initialization functions if either: - the architecture for current context is changed or @@ -809,7 +832,7 @@ riscv_disassemble_insn (bfd_vma memaddr, const struct riscv_opcode *op, *matched_op; static bool init = false; static const struct riscv_opcode *riscv_hash[OP_MASK_OP + 1]; - struct riscv_private_data *pd; + struct riscv_private_data *pd = info->private_data; int insnlen; #define OP_HASH_IDX(i) ((i) & (riscv_insn_length (i) == 2 ? 0x3 : OP_MASK_OP)) @@ -824,28 +847,6 @@ riscv_disassemble_insn (bfd_vma memaddr, init = true; } - if (info->private_data == NULL) - { - int i; - - pd = info->private_data = xcalloc (1, sizeof (struct riscv_private_data)); - pd->gp = 0; - pd->print_addr = 0; - for (i = 0; i < (int)ARRAY_SIZE (pd->hi_addr); i++) - pd->hi_addr[i] = -1; - pd->to_print_addr = false; - pd->has_gp = false; - - for (i = 0; i < info->symtab_size; i++) - if (strcmp (bfd_asymbol_name (info->symtab[i]), RISCV_GP_SYMBOL) == 0) - { - pd->gp = bfd_asymbol_value (info->symtab[i]); - pd->has_gp = true; - } - } - else - pd = info->private_data; - insnlen = riscv_insn_length (word); /* RISC-V instructions are always little-endian. */ @@ -1219,6 +1220,10 @@ print_insn_riscv (bfd_vma memaddr, struct disassemble_info *info) int (*riscv_disassembler) (bfd_vma, insn_t, const bfd_byte *, struct disassemble_info *); + /* Initialize the private data. */ + if (info->private_data == NULL) + init_riscv_dis_private_data (info); + /* Guess and update XLEN if we haven't determined it yet. */ if (xlen == 0) update_riscv_dis_xlen (info);