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[81.40.121.39]) by smtp.gmail.com with ESMTPSA id c15sm5287828wrr.3.2021.04.22.12.39.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Apr 2021 12:39:19 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v6 03/18] cpu: Directly use cpu_write_elf*() fallback handlers in place Date: Thu, 22 Apr 2021 21:38:47 +0200 Message-Id: <20210422193902.2644064-4-f4bug@amsat.org> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210422193902.2644064-1-f4bug@amsat.org> References: <20210422193902.2644064-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::32c; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wm1-x32c.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , qemu-riscv@nongnu.org, Eduardo Habkost , Juan Quintela , Richard Henderson , "Dr. David Alan Gilbert" , Laurent Vivier , qemu-s390x@nongnu.org, qemu-arm@nongnu.org, qemu-ppc@nongnu.org, Claudio Fontana , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" No code directly accesses CPUClass::write_elf*() handlers out of hw/core/cpu.c (the rest are assignation in target/ code): $ git grep -F -- '->write_elf' hw/core/cpu.c:157: return (*cc->write_elf32_qemunote)(f, cpu, opaque); hw/core/cpu.c:171: return (*cc->write_elf32_note)(f, cpu, cpuid, opaque); hw/core/cpu.c:186: return (*cc->write_elf64_qemunote)(f, cpu, opaque); hw/core/cpu.c:200: return (*cc->write_elf64_note)(f, cpu, cpuid, opaque); hw/core/cpu.c:440: k->write_elf32_qemunote = cpu_common_write_elf32_qemunote; hw/core/cpu.c:441: k->write_elf32_note = cpu_common_write_elf32_note; hw/core/cpu.c:442: k->write_elf64_qemunote = cpu_common_write_elf64_qemunote; hw/core/cpu.c:443: k->write_elf64_note = cpu_common_write_elf64_note; target/arm/cpu.c:2304: cc->write_elf64_note = arm_cpu_write_elf64_note; target/arm/cpu.c:2305: cc->write_elf32_note = arm_cpu_write_elf32_note; target/i386/cpu.c:7425: cc->write_elf64_note = x86_cpu_write_elf64_note; target/i386/cpu.c:7426: cc->write_elf64_qemunote = x86_cpu_write_elf64_qemunote; target/i386/cpu.c:7427: cc->write_elf32_note = x86_cpu_write_elf32_note; target/i386/cpu.c:7428: cc->write_elf32_qemunote = x86_cpu_write_elf32_qemunote; target/ppc/translate_init.c.inc:10891: cc->write_elf64_note = ppc64_cpu_write_elf64_note; target/ppc/translate_init.c.inc:10892: cc->write_elf32_note = ppc32_cpu_write_elf32_note; target/s390x/cpu.c:522: cc->write_elf64_note = s390_cpu_write_elf64_note; Check the handler presence in place and remove the common fallback code. Reviewed-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daudé --- hw/core/cpu.c | 43 ++++++++++++------------------------------- 1 file changed, 12 insertions(+), 31 deletions(-) diff --git a/hw/core/cpu.c b/hw/core/cpu.c index daaff56a79e..a9ee2c74ec5 100644 --- a/hw/core/cpu.c +++ b/hw/core/cpu.c @@ -154,60 +154,45 @@ int cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu, { CPUClass *cc = CPU_GET_CLASS(cpu); + if (!cc->write_elf32_qemunote) { + return 0; + } return (*cc->write_elf32_qemunote)(f, cpu, opaque); } -static int cpu_common_write_elf32_qemunote(WriteCoreDumpFunction f, - CPUState *cpu, void *opaque) -{ - return 0; -} - int cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu, int cpuid, void *opaque) { CPUClass *cc = CPU_GET_CLASS(cpu); + if (!cc->write_elf32_note) { + return -1; + } return (*cc->write_elf32_note)(f, cpu, cpuid, opaque); } -static int cpu_common_write_elf32_note(WriteCoreDumpFunction f, - CPUState *cpu, int cpuid, - void *opaque) -{ - return -1; -} - int cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu, void *opaque) { CPUClass *cc = CPU_GET_CLASS(cpu); + if (!cc->write_elf64_qemunote) { + return 0; + } return (*cc->write_elf64_qemunote)(f, cpu, opaque); } -static int cpu_common_write_elf64_qemunote(WriteCoreDumpFunction f, - CPUState *cpu, void *opaque) -{ - return 0; -} - int cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu, int cpuid, void *opaque) { CPUClass *cc = CPU_GET_CLASS(cpu); + if (!cc->write_elf64_note) { + return -1; + } return (*cc->write_elf64_note)(f, cpu, cpuid, opaque); } -static int cpu_common_write_elf64_note(WriteCoreDumpFunction f, - CPUState *cpu, int cpuid, - void *opaque) -{ - return -1; -} - - static int cpu_common_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg) { return 0; @@ -437,10 +422,6 @@ static void cpu_class_init(ObjectClass *klass, void *data) k->has_work = cpu_common_has_work; k->get_paging_enabled = cpu_common_get_paging_enabled; k->get_memory_mapping = cpu_common_get_memory_mapping; - k->write_elf32_qemunote = cpu_common_write_elf32_qemunote; - k->write_elf32_note = cpu_common_write_elf32_note; - k->write_elf64_qemunote = cpu_common_write_elf64_qemunote; - k->write_elf64_note = cpu_common_write_elf64_note; k->gdb_read_register = cpu_common_gdb_read_register; k->gdb_write_register = cpu_common_gdb_write_register; set_bit(DEVICE_CATEGORY_CPU, dc->categories); -- 2.26.3