From patchwork Fri Nov 3 19:59:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Alex_Benn=C3=A9e?= X-Patchwork-Id: 13445084 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A64A6C4332F for ; Fri, 3 Nov 2023 20:10:37 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qz0RQ-0005XB-U9; Fri, 03 Nov 2023 16:06:53 -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 1qz0RI-0005Rb-NI for qemu-devel@nongnu.org; Fri, 03 Nov 2023 16:06:44 -0400 Received: from mail-lj1-x234.google.com ([2a00:1450:4864:20::234]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qz0Qn-0006zN-FY for qemu-devel@nongnu.org; Fri, 03 Nov 2023 16:06:44 -0400 Received: by mail-lj1-x234.google.com with SMTP id 38308e7fff4ca-2c50305c5c4so34823991fa.1 for ; Fri, 03 Nov 2023 13:06:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1699041971; x=1699646771; darn=nongnu.org; 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=BrBEs03oRfbEhBwEEFQpVZTQS4QW+vTfRnSTYqOOAZA=; b=eWHXeoOODOkxZHRbt2FbK5KKqdJ/lWFqSRMbc4SF+hn0KX794ujpEHK4muGDb+9ejr MFLBlKd2K9OUyq6ndABImmLKa3yb0VAOfyZyTbR6OnV/wlD8NHm3QSPhL5Ci68M7rTS7 dCC60m7OEeLU7Nb40qvwqLDaPd7qDzBYmYfWKQ273jmU7+p8i6yg0mKt43jOgL5t9gh2 pc65oFdcFzYmd4bZ7N7jrlTOfPjVFjcjSshlAMaBQIZduZP7QxZ1a9FasTlBBh57QrDw gHubv/fwDsah9Xpz/LzRawlLzqkd/SCQaM1qF8FunECNUt24MkCKzGrOyQchoVyWxS5M O7nA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699041971; x=1699646771; 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=BrBEs03oRfbEhBwEEFQpVZTQS4QW+vTfRnSTYqOOAZA=; b=Mrn+X5NMCDvsLGwhokwyOjiuALIvN4YIP8RJyUnyPDsOyMUaK0/Z5CZmS9AkNlhC+O kn9Q+z/IPgSt7QeUOVS15wLyKIx0k+94S20xsnjIZpy9yX+ZJvFkX3vG7/TTIXAUlC7c RAzXRUA1/BCq0PwWFR8y839CjI/FnY7T3sDaZwTEF9qsSUn7qwAokfUoFk/LgMOtLe+x NfcFgGUv4PmJkO6F9CsD5RLdg2kYgPJvFZ9Jb5EFHJAYoCl/3uSaL4caqDh5vc4vRcO2 9gSXMhDV+9yh4iFrN4THt6JarEQH8u6QMmXknggovEt8FKpqvys0ae8li3jR+gj3n+4a BZcw== X-Gm-Message-State: AOJu0YzkBGf2j9fND4FRu16qqYszSgmVN8Kgy3C13LnDwl6RwvTJqyOg XMfj9iXPuwc2supyX0tCbMZyuw== X-Google-Smtp-Source: AGHT+IHqBN5NMCNjaIoQPjSMkEUaAbeplaaQ2RP/5/Hza2hUmGaAxoOR4pTYu00gED3g733pu1JvSQ== X-Received: by 2002:a19:501c:0:b0:509:4a02:49f6 with SMTP id e28-20020a19501c000000b005094a0249f6mr3959351lfb.34.1699041971617; Fri, 03 Nov 2023 13:06:11 -0700 (PDT) Received: from draig.lan ([85.9.250.243]) by smtp.gmail.com with ESMTPSA id m1-20020a056000180100b0031980783d78sm2624721wrh.54.2023.11.03.13.06.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Nov 2023 13:06:08 -0700 (PDT) Received: from draig.lan (localhost [IPv6:::1]) by draig.lan (Postfix) with ESMTP id ABA6D6574E; Fri, 3 Nov 2023 19:59:58 +0000 (GMT) From: =?utf-8?q?Alex_Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Peter Maydell , "Edgar E. Iglesias" , Song Gao , qemu-arm@nongnu.org, =?utf-8?q?Marc-Andr?= =?utf-8?q?=C3=A9_Lureau?= , Wainer dos Santos Moschetta , Weiwei Li , Marcel Apfelbaum , Ilya Leoshkevich , Daniel Henrique Barboza , Yanan Wang , =?utf-8?q?Alex_Benn=C3=A9e?= , =?utf-8?q?C=C3=A9dri?= =?utf-8?q?c_Le_Goater?= , Paolo Bonzini , David Hildenbrand , Brian Cain , qemu-ppc@nongnu.org, Palmer Dabbelt , qemu-riscv@nongnu.org, Eduardo Habkost , =?utf-8?q?Phi?= =?utf-8?q?lippe_Mathieu-Daud=C3=A9?= , Alistair Francis , Liu Zhiwei , Cleber Rosa , qemu-s390x@nongnu.org, Laurent Vivier , Yoshinori Sato , Nicholas Piggin , Thomas Huth , John Snow , Alexandre Iooss , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Mahmoud Mandour , Daniel Henrique Barboza , Bin Meng , Beraldo Leal , Richard Henderson , Michael Rolnik , Akihiko Odaki Subject: [PATCH 18/29] gdbstub: Infer number of core registers from XML Date: Fri, 3 Nov 2023 19:59:45 +0000 Message-Id: <20231103195956.1998255-19-alex.bennee@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231103195956.1998255-1-alex.bennee@linaro.org> References: <20231103195956.1998255-1-alex.bennee@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::234; envelope-from=alex.bennee@linaro.org; helo=mail-lj1-x234.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Akihiko Odaki GDBFeature has the num_regs member so use it where applicable to remove magic numbers. Signed-off-by: Akihiko Odaki Message-Id: <20231025093128.33116-12-akihiko.odaki@daynix.com> Signed-off-by: Alex Bennée --- include/hw/core/cpu.h | 3 ++- target/s390x/cpu.h | 2 -- gdbstub/gdbstub.c | 5 ++++- target/arm/cpu.c | 1 - target/arm/cpu64.c | 1 - target/avr/cpu.c | 1 - target/hexagon/cpu.c | 1 - target/i386/cpu.c | 2 -- target/loongarch/cpu.c | 2 -- target/m68k/cpu.c | 1 - target/microblaze/cpu.c | 1 - target/riscv/cpu.c | 1 - target/rx/cpu.c | 1 - target/s390x/cpu.c | 1 - 14 files changed, 6 insertions(+), 17 deletions(-) diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 18593db5b2..9a771d682f 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -127,7 +127,8 @@ struct SysemuCPUOps; * @gdb_adjust_breakpoint: Callback for adjusting the address of a * breakpoint. Used by AVR to handle a gdb mis-feature with * its Harvard architecture split code and data. - * @gdb_num_core_regs: Number of core registers accessible to GDB. + * @gdb_num_core_regs: Number of core registers accessible to GDB or 0 to infer + * from @gdb_core_xml_file. * @gdb_core_xml_file: File name for core registers GDB XML description. * @gdb_stop_before_watchpoint: Indicates whether GDB expects the CPU to stop * before the insn which triggers a watchpoint rather than after it. diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h index 40c5cedd0e..12939bc562 100644 --- a/target/s390x/cpu.h +++ b/target/s390x/cpu.h @@ -458,8 +458,6 @@ static inline void cpu_get_tb_cpu_state(CPUS390XState *env, vaddr *pc, #define S390_R13_REGNUM 15 #define S390_R14_REGNUM 16 #define S390_R15_REGNUM 17 -/* Total Core Registers. */ -#define S390_NUM_CORE_REGS 18 static inline void setcc(S390CPU *cpu, uint64_t cc) { diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c index 5ecd1f23e6..af63b5d159 100644 --- a/gdbstub/gdbstub.c +++ b/gdbstub/gdbstub.c @@ -546,9 +546,12 @@ void gdb_init_cpu(CPUState *cpu) gdb_register_feature(cpu, 0, cc->gdb_read_register, cc->gdb_write_register, feature); + cpu->gdb_num_regs = cpu->gdb_num_g_regs = feature->num_regs; } - cpu->gdb_num_regs = cpu->gdb_num_g_regs = cc->gdb_num_core_regs; + if (cc->gdb_num_core_regs) { + cpu->gdb_num_regs = cpu->gdb_num_g_regs = cc->gdb_num_core_regs; + } } void gdb_register_coprocessor(CPUState *cpu, diff --git a/target/arm/cpu.c b/target/arm/cpu.c index df6496b019..a18b832c9a 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -2489,7 +2489,6 @@ static void arm_cpu_class_init(ObjectClass *oc, void *data) #ifndef CONFIG_USER_ONLY cc->sysemu_ops = &arm_sysemu_ops; #endif - cc->gdb_num_core_regs = 26; cc->gdb_arch_name = arm_gdb_arch_name; cc->gdb_get_dynamic_xml = arm_gdb_get_dynamic_xml; cc->gdb_stop_before_watchpoint = true; diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index 1e9c6c85ae..8a5bad54cf 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -793,7 +793,6 @@ static void aarch64_cpu_class_init(ObjectClass *oc, void *data) cc->gdb_read_register = aarch64_cpu_gdb_read_register; cc->gdb_write_register = aarch64_cpu_gdb_write_register; - cc->gdb_num_core_regs = 34; cc->gdb_core_xml_file = "aarch64-core.xml"; cc->gdb_arch_name = aarch64_gdb_arch_name; diff --git a/target/avr/cpu.c b/target/avr/cpu.c index 14d8b9d1f0..01adfb5089 100644 --- a/target/avr/cpu.c +++ b/target/avr/cpu.c @@ -244,7 +244,6 @@ static void avr_cpu_class_init(ObjectClass *oc, void *data) cc->gdb_read_register = avr_cpu_gdb_read_register; cc->gdb_write_register = avr_cpu_gdb_write_register; cc->gdb_adjust_breakpoint = avr_cpu_gdb_adjust_breakpoint; - cc->gdb_num_core_regs = 35; cc->gdb_core_xml_file = "avr-cpu.xml"; cc->tcg_ops = &avr_tcg_ops; } diff --git a/target/hexagon/cpu.c b/target/hexagon/cpu.c index 60d52e1e9d..7c1426f70c 100644 --- a/target/hexagon/cpu.c +++ b/target/hexagon/cpu.c @@ -385,7 +385,6 @@ static void hexagon_cpu_class_init(ObjectClass *c, void *data) cc->get_pc = hexagon_cpu_get_pc; cc->gdb_read_register = hexagon_gdb_read_register; cc->gdb_write_register = hexagon_gdb_write_register; - cc->gdb_num_core_regs = TOTAL_PER_THREAD_REGS; cc->gdb_stop_before_watchpoint = true; cc->gdb_core_xml_file = "hexagon-core.xml"; cc->disas_set_info = hexagon_cpu_disas_set_info; diff --git a/target/i386/cpu.c b/target/i386/cpu.c index fc8484cb5e..6af6013d2d 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -7969,10 +7969,8 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data) cc->gdb_arch_name = x86_gdb_arch_name; #ifdef TARGET_X86_64 cc->gdb_core_xml_file = "i386-64bit.xml"; - cc->gdb_num_core_regs = 66; #else cc->gdb_core_xml_file = "i386-32bit.xml"; - cc->gdb_num_core_regs = 50; #endif cc->disas_set_info = x86_disas_set_info; diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index ef1bf89dac..1b25920895 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -775,7 +775,6 @@ static void loongarch32_cpu_class_init(ObjectClass *c, void *data) { CPUClass *cc = CPU_CLASS(c); - cc->gdb_num_core_regs = 35; cc->gdb_core_xml_file = "loongarch-base32.xml"; cc->gdb_arch_name = loongarch32_gdb_arch_name; } @@ -789,7 +788,6 @@ static void loongarch64_cpu_class_init(ObjectClass *c, void *data) { CPUClass *cc = CPU_CLASS(c); - cc->gdb_num_core_regs = 35; cc->gdb_core_xml_file = "loongarch-base64.xml"; cc->gdb_arch_name = loongarch64_gdb_arch_name; } diff --git a/target/m68k/cpu.c b/target/m68k/cpu.c index 538d9473c2..5fdbe5602b 100644 --- a/target/m68k/cpu.c +++ b/target/m68k/cpu.c @@ -565,7 +565,6 @@ static void m68k_cpu_class_init(ObjectClass *c, void *data) #endif cc->disas_set_info = m68k_cpu_disas_set_info; - cc->gdb_num_core_regs = 18; cc->tcg_ops = &m68k_tcg_ops; } diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c index 1998f69828..9d3fbfe159 100644 --- a/target/microblaze/cpu.c +++ b/target/microblaze/cpu.c @@ -428,7 +428,6 @@ static void mb_cpu_class_init(ObjectClass *oc, void *data) cc->sysemu_ops = &mb_sysemu_ops; #endif device_class_set_props(dc, mb_properties); - cc->gdb_num_core_regs = 32 + 25; cc->gdb_core_xml_file = "microblaze-core.xml"; cc->disas_set_info = mb_disas_set_info; diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 5200fba9b9..00518df497 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -1575,7 +1575,6 @@ static void riscv_cpu_class_init(ObjectClass *c, void *data) cc->get_pc = riscv_cpu_get_pc; cc->gdb_read_register = riscv_cpu_gdb_read_register; cc->gdb_write_register = riscv_cpu_gdb_write_register; - cc->gdb_num_core_regs = 33; cc->gdb_stop_before_watchpoint = true; cc->disas_set_info = riscv_cpu_disas_set_info; #ifndef CONFIG_USER_ONLY diff --git a/target/rx/cpu.c b/target/rx/cpu.c index 4d0d3a0c8c..7b9e46d1bc 100644 --- a/target/rx/cpu.c +++ b/target/rx/cpu.c @@ -235,7 +235,6 @@ static void rx_cpu_class_init(ObjectClass *klass, void *data) cc->gdb_write_register = rx_cpu_gdb_write_register; cc->disas_set_info = rx_cpu_disas_set_info; - cc->gdb_num_core_regs = 26; cc->gdb_core_xml_file = "rx-core.xml"; cc->tcg_ops = &rx_tcg_ops; } diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c index 6acfa1c91b..6fba949729 100644 --- a/target/s390x/cpu.c +++ b/target/s390x/cpu.c @@ -362,7 +362,6 @@ static void s390_cpu_class_init(ObjectClass *oc, void *data) s390_cpu_class_init_sysemu(cc); #endif cc->disas_set_info = s390_cpu_disas_set_info; - cc->gdb_num_core_regs = S390_NUM_CORE_REGS; cc->gdb_core_xml_file = "s390x-core64.xml"; cc->gdb_arch_name = s390_gdb_arch_name;