From patchwork Wed Aug 16 14:51:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Akihiko Odaki X-Patchwork-Id: 1821895 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=daynix-com.20221208.gappssmtp.com header.i=@daynix-com.20221208.gappssmtp.com header.a=rsa-sha256 header.s=20221208 header.b=Brp3Z2k7; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RQrmQ0W4Hz1yNm for ; Thu, 17 Aug 2023 00:55:50 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qWHvk-0003RA-IA; Wed, 16 Aug 2023 10:55:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qWHvL-0002gP-TC for qemu-devel@nongnu.org; Wed, 16 Aug 2023 10:55:10 -0400 Received: from mail-pf1-x429.google.com ([2607:f8b0:4864:20::429]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qWHvI-0001y8-Ut for qemu-devel@nongnu.org; Wed, 16 Aug 2023 10:55:03 -0400 Received: by mail-pf1-x429.google.com with SMTP id d2e1a72fcca58-68879c7f5easo896577b3a.1 for ; Wed, 16 Aug 2023 07:54:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=daynix-com.20221208.gappssmtp.com; s=20221208; t=1692197699; x=1692802499; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=6gfAeaNLA+PIokoYBBdAB0dQ8PQLZuwdbWdYv4LmQmA=; b=Brp3Z2k7g8vqxTbdVQ/dJfcjW0h+j3yDqeIGxnVuhim7kQCZLaF8dhiHLfZEjP0Mvs 6pyDN3b8PLLFlz8ZIIfYw+ZZjrU4jk730W8u3s7aELABk7mpaIM+iiNmSSoTe7DMQgz8 Zb0EUeprTaEyY8JklH0qzNum4Oh2TbvP283SEOTbH/0jeTLaN9Atd1KQ+PfvJPv4NWm2 xk7GpEyfp8ew3V29WzyeVLEu1cs7/aT+WzEviBiAbnLlz2U8IrtJFLQ3kcGVYhUl1IMZ 3rQoQdrDV7OixVtw1szynCb0qGIMCLjSNdm6YCKgg5vIKwaXy0uKzdR5kwtu3ZgvE8a2 ZqGg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692197699; x=1692802499; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=6gfAeaNLA+PIokoYBBdAB0dQ8PQLZuwdbWdYv4LmQmA=; b=TEFx+M7yw7HE9mG8AQphFuK3sgUoAPGzgfaGvnbk/j7YEV0DpFT9oTn7PIdOfLtqhA o4nDljlkdT2Zf5C6+VugtfipzBWKKQZXZxaKx4gQF2HsT8P1MUh1s78mfuh62+U06eJA aUfnANuG/W3EH6WaEGKJCO30dWTZ66ehqsqBZty305dsFhzAE1Attn/2FGzI3VZzHxZl XnMvDQdRb9rQ/Ry0djx722/htU3zUtJJKUWoiMcxUvpQNgHftIsVAEbwymUsUGUfb0yQ TOb9xC6glNSxnPzH9mLhwXND+yuWTY+tuHU4wOCJE5v0ddBOqL+blZ8ZX/h7RQ1E9lCg 3bZw== X-Gm-Message-State: AOJu0Yyz/U8SV7zcYTmsE5Ee9jRNOdXQMI+3ReZha4jCAXPIV6KIwTVO r16fglgapn/Q4+1JdJSBaO5Qpw== X-Google-Smtp-Source: AGHT+IEis8qqHjy39MXx9xGdlx82+/3PxpX6nkH6Ik1MHFYleCZFpA59/fYnIBPFIBGb4Mw284yU7A== X-Received: by 2002:a05:6a20:a123:b0:13e:6447:ce45 with SMTP id q35-20020a056a20a12300b0013e6447ce45mr2385259pzk.43.1692197698996; Wed, 16 Aug 2023 07:54:58 -0700 (PDT) Received: from alarm.flets-east.jp ([2400:4050:a840:1e00:78d2:b862:10a7:d486]) by smtp.gmail.com with ESMTPSA id fk26-20020a056a003a9a00b0068892c40253sm1156568pfb.216.2023.08.16.07.54.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Aug 2023 07:54:58 -0700 (PDT) From: Akihiko Odaki To: Cc: Paolo Bonzini , =?utf-8?q?Alex_Benn=C3=A9e?= , Thomas Huth , Alexandre Iooss , Mahmoud Mandour , Eduardo Habkost , Marcel Apfelbaum , =?utf-8?q?Philippe_Mathieu-D?= =?utf-8?q?aud=C3=A9?= , Yanan Wang , Richard Henderson , =?utf-8?q?Marc-Andr=C3=A9?= =?utf-8?q?_Lureau?= , =?utf-8?q?Daniel_P_=2E_B?= =?utf-8?q?errang=C3=A9?= , John Snow , Cleber Rosa , Peter Maydell , Michael Rolnik , "Edgar E . Iglesias" , Brian Cain , Song Gao , Xiaojuan Yang , Laurent Vivier , Aurelien Jarno , Jiaxun Yang , Aleksandar Rikalo , Chris Wulff , Marek Vasut , Stafford Horne , Daniel Henrique Barboza , =?utf-8?q?C=C3=A9dric_Le_G?= =?utf-8?q?oater?= , David Gibson , Greg Kurz , Nicholas Piggin , Palmer Dabbelt , Alistair Francis , Bin Meng , Weiwei Li , Liu Zhiwei , Yoshinori Sato , David Hildenbrand , Ilya Leoshkevich , Mark Cave-Ayland , Artyom Tarasenko , Bastian Koppelmann , Max Filippov , qemu-devel@nongnu.org, qemu-arm@nongnu.org, qemu-ppc@nongnu.org, qemu-riscv@nongnu.org, qemu-s390x@nongnu.org, Anton Kochkov , Akihiko Odaki Subject: [PATCH v4 17/25] gdbstub: Add members to identify registers to GDBFeature Date: Wed, 16 Aug 2023 23:51:38 +0900 Message-ID: <20230816145155.21049-18-akihiko.odaki@daynix.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230816145155.21049-1-akihiko.odaki@daynix.com> References: <20230816145155.21049-1-akihiko.odaki@daynix.com> MIME-Version: 1.0 Received-SPF: none client-ip=2607:f8b0:4864:20::429; envelope-from=akihiko.odaki@daynix.com; helo=mail-pf1-x429.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org These members will be used to help plugins to identify registers. The added members in instances of GDBFeature dynamically generated by CPUs will be filled in later changes. Signed-off-by: Akihiko Odaki --- include/exec/gdbstub.h | 3 +++ gdbstub/gdbstub.c | 8 ++++++-- target/arm/gdbstub.c | 2 +- scripts/feature_to_c.py | 14 +++++++++++++- 4 files changed, 23 insertions(+), 4 deletions(-) diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h index 572abada63..f3f2c40b1a 100644 --- a/include/exec/gdbstub.h +++ b/include/exec/gdbstub.h @@ -13,12 +13,15 @@ typedef struct GDBFeature { const char *xmlname; const char *xml; + const char *name; + const char * const *regs; int num_regs; } GDBFeature; typedef struct GDBFeatureBuilder { GDBFeature *feature; GPtrArray *xml; + GPtrArray *regs; } GDBFeatureBuilder; diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c index ccb4ed9d4b..e4fbdebca4 100644 --- a/gdbstub/gdbstub.c +++ b/gdbstub/gdbstub.c @@ -418,9 +418,10 @@ void gdb_feature_builder_init(GDBFeatureBuilder *builder, GDBFeature *feature, builder->feature = feature; builder->xml = g_ptr_array_new(); + builder->regs = g_ptr_array_new(); g_ptr_array_add(builder->xml, header); feature->xmlname = xmlname; - feature->num_regs = 0; + feature->name = name; } void gdb_feature_builder_append_tag(const GDBFeatureBuilder *builder, @@ -449,7 +450,7 @@ void gdb_feature_builder_append_reg(const GDBFeatureBuilder *builder, name, bitsize, type); } - builder->feature->num_regs++; + g_ptr_array_add(builder->regs, (void *)name); } void gdb_feature_builder_end(const GDBFeatureBuilder *builder) @@ -464,6 +465,9 @@ void gdb_feature_builder_end(const GDBFeatureBuilder *builder) } g_ptr_array_free(builder->xml, TRUE); + + builder->feature->num_regs = builder->regs->len; + builder->feature->regs = (void *)g_ptr_array_free(builder->regs, FALSE); } const GDBFeature *gdb_find_static_feature(const char *xmlname) diff --git a/target/arm/gdbstub.c b/target/arm/gdbstub.c index fc5ed89e80..dbc396a88b 100644 --- a/target/arm/gdbstub.c +++ b/target/arm/gdbstub.c @@ -264,7 +264,7 @@ static void arm_gen_one_feature_sysreg(GDBFeatureBuilder *builder, ARMCPRegInfo *ri, uint32_t ri_key, int bitsize) { - dyn_feature->data.cpregs.keys[dyn_feature->desc.num_regs] = ri_key; + dyn_feature->data.cpregs.keys[builder->regs->len] = ri_key; gdb_feature_builder_append_reg(builder, ri->name, bitsize, "int", "cp_regs"); diff --git a/scripts/feature_to_c.py b/scripts/feature_to_c.py index e04d6b2df7..807af0e685 100755 --- a/scripts/feature_to_c.py +++ b/scripts/feature_to_c.py @@ -50,7 +50,9 @@ def writeliteral(indent, bytes): sys.stderr.write(f'unexpected start tag: {element.tag}\n') exit(1) + feature_name = element.attrib['name'] regnum = 0 + regnames = [] regnums = [] tags = ['feature'] for event, element in events: @@ -67,6 +69,7 @@ def writeliteral(indent, bytes): if 'regnum' in element.attrib: regnum = int(element.attrib['regnum']) + regnames.append(element.attrib['name']) regnums.append(regnum) regnum += 1 @@ -85,6 +88,15 @@ def writeliteral(indent, bytes): writeliteral(8, bytes(os.path.basename(input), 'utf-8')) sys.stdout.write(',\n') writeliteral(8, read) - sys.stdout.write(f',\n {num_regs},\n }},\n') + sys.stdout.write(',\n') + writeliteral(8, bytes(feature_name, 'utf-8')) + sys.stdout.write(',\n (const char * const []) {\n') + + for index, regname in enumerate(regnames): + sys.stdout.write(f' [{regnums[index] - base_reg}] =\n') + writeliteral(16, bytes(regname, 'utf-8')) + sys.stdout.write(',\n') + + sys.stdout.write(f' }},\n {num_regs},\n }},\n') sys.stdout.write(' { NULL }\n};\n')