From: "Philippe Mathieu-Daudé" <f4bug@amsat.org> To: qemu-devel@nongnu.org Cc: "Peter Maydell" <peter.maydell@linaro.org>, qemu-riscv@nongnu.org, "Eduardo Habkost" <ehabkost@redhat.com>, "Juan Quintela" <quintela@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, "Richard Henderson" <richard.henderson@linaro.org>, "Greg Kurz" <groug@kaod.org>, "Laurent Vivier" <laurent@vivier.eu>, qemu-s390x@nongnu.org, qemu-arm@nongnu.org, qemu-ppc@nongnu.org, "Claudio Fontana" <cfontana@suse.de>, "Paolo Bonzini" <pbonzini@redhat.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org> Subject: [PATCH v5 03/15] cpu: Directly use cpu_write_elf*() fallback handlers in place Date: Thu, 22 Apr 2021 12:46:52 +0200 [thread overview] Message-ID: <20210422104705.2454166-4-f4bug@amsat.org> (raw) In-Reply-To: <20210422104705.2454166-1-f4bug@amsat.org> 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 <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> --- 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
WARNING: multiple messages have this Message-ID (diff)
From: "Philippe Mathieu-Daudé" <f4bug@amsat.org> To: qemu-devel@nongnu.org Cc: "Paolo Bonzini" <pbonzini@redhat.com>, "Claudio Fontana" <cfontana@suse.de>, "Juan Quintela" <quintela@redhat.com>, "Greg Kurz" <groug@kaod.org>, "Laurent Vivier" <laurent@vivier.eu>, qemu-riscv@nongnu.org, "Michael S. Tsirkin" <mst@redhat.com>, qemu-ppc@nongnu.org, qemu-s390x@nongnu.org, "Peter Maydell" <peter.maydell@linaro.org>, qemu-arm@nongnu.org, "Eduardo Habkost" <ehabkost@redhat.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, "Richard Henderson" <richard.henderson@linaro.org>, "Marcel Apfelbaum" <marcel.apfelbaum@gmail.com> Subject: [PATCH v5 03/15] cpu: Directly use cpu_write_elf*() fallback handlers in place Date: Thu, 22 Apr 2021 12:46:52 +0200 [thread overview] Message-ID: <20210422104705.2454166-4-f4bug@amsat.org> (raw) In-Reply-To: <20210422104705.2454166-1-f4bug@amsat.org> 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 <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> --- 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
next prev parent reply other threads:[~2021-04-22 10:54 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-22 10:46 [PATCH v5 00/15] cpu: Introduce SysemuCPUOps structure Philippe Mathieu-Daudé 2021-04-22 10:46 ` Philippe Mathieu-Daudé 2021-04-22 10:46 ` [PATCH v5 01/15] cpu: Un-inline cpu_get_phys_page_debug and cpu_asidx_from_attrs Philippe Mathieu-Daudé 2021-04-22 10:46 ` Philippe Mathieu-Daudé 2021-04-22 10:46 ` [PATCH v5 02/15] cpu: Introduce cpu_virtio_is_big_endian() Philippe Mathieu-Daudé 2021-04-22 10:46 ` Philippe Mathieu-Daudé 2021-04-22 10:46 ` Philippe Mathieu-Daudé [this message] 2021-04-22 10:46 ` [PATCH v5 03/15] cpu: Directly use cpu_write_elf*() fallback handlers in place Philippe Mathieu-Daudé 2021-04-22 10:46 ` [PATCH v5 04/15] cpu: Directly use get_paging_enabled() " Philippe Mathieu-Daudé 2021-04-22 10:46 ` Philippe Mathieu-Daudé 2021-04-22 10:46 ` [PATCH v5 05/15] cpu: Directly use get_memory_mapping() " Philippe Mathieu-Daudé 2021-04-22 10:46 ` Philippe Mathieu-Daudé 2021-04-22 10:46 ` [PATCH v5 06/15] cpu: Introduce SysemuCPUOps structure Philippe Mathieu-Daudé 2021-04-22 10:46 ` Philippe Mathieu-Daudé 2021-04-22 10:46 ` [PATCH v5 07/15] cpu: Move CPUClass::vmsd to SysemuCPUOps Philippe Mathieu-Daudé 2021-04-22 10:46 ` Philippe Mathieu-Daudé 2021-04-22 11:04 ` Philippe Mathieu-Daudé 2021-04-22 11:04 ` Philippe Mathieu-Daudé 2021-04-22 10:46 ` [PATCH v5 08/15] cpu: Move CPUClass::virtio_is_big_endian " Philippe Mathieu-Daudé 2021-04-22 10:46 ` Philippe Mathieu-Daudé 2021-04-22 10:46 ` [PATCH v5 09/15] cpu: Move CPUClass::get_crash_info " Philippe Mathieu-Daudé 2021-04-22 10:46 ` Philippe Mathieu-Daudé 2021-04-22 10:46 ` [PATCH v5 10/15] cpu: Move CPUClass::write_elf* " Philippe Mathieu-Daudé 2021-04-22 10:46 ` Philippe Mathieu-Daudé 2021-04-22 10:47 ` [PATCH v5 11/15] cpu: Move CPUClass::asidx_from_attrs " Philippe Mathieu-Daudé 2021-04-22 10:47 ` Philippe Mathieu-Daudé 2021-04-22 10:47 ` [PATCH v5 12/15] cpu: Move CPUClass::get_phys_page_debug " Philippe Mathieu-Daudé 2021-04-22 10:47 ` Philippe Mathieu-Daudé 2021-04-22 10:47 ` [PATCH v5 13/15] cpu: Move CPUClass::get_memory_mapping " Philippe Mathieu-Daudé 2021-04-22 10:47 ` Philippe Mathieu-Daudé 2021-04-22 10:47 ` [PATCH v5 14/15] cpu: Move CPUClass::get_paging_enabled " Philippe Mathieu-Daudé 2021-04-22 10:47 ` Philippe Mathieu-Daudé 2021-04-22 10:47 ` [PATCH v5 15/15] cpu: Restrict "hw/core/sysemu-cpu-ops.h" to target/cpu.c Philippe Mathieu-Daudé 2021-04-22 10:47 ` Philippe Mathieu-Daudé
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