The write_elf*() handlers are used to dump vmcore images. This feature is only meaningful for system emulation.
Reviewed-by: Richard Henderson <richard.hender...@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org> --- include/hw/core/cpu.h | 17 ----------------- include/hw/core/sysemu-cpu-ops.h | 24 ++++++++++++++++++++++++ hw/core/cpu-sysemu.c | 16 ++++++++-------- target/arm/cpu.c | 4 ++-- target/i386/cpu.c | 8 ++++---- target/riscv/cpu.c | 4 ++-- target/s390x/cpu.c | 2 +- target/ppc/translate_init.c.inc | 6 ++---- 8 files changed, 43 insertions(+), 38 deletions(-) diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 6f5e04ae580..fce9bdc686e 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -112,14 +112,6 @@ struct AccelCPUClass; * a memory access with the specified memory transaction attributes. * @gdb_read_register: Callback for letting GDB read a register. * @gdb_write_register: Callback for letting GDB write a register. - * @write_elf64_note: Callback for writing a CPU-specific ELF note to a - * 64-bit VM coredump. - * @write_elf32_qemunote: Callback for writing a CPU- and QEMU-specific ELF - * note to a 32-bit VM coredump. - * @write_elf32_note: Callback for writing a CPU-specific ELF note to a - * 32-bit VM coredump. - * @write_elf32_qemunote: Callback for writing a CPU- and QEMU-specific ELF - * note to a 32-bit VM coredump. * @gdb_num_core_regs: Number of core registers accessible to GDB. * @gdb_core_xml_file: File name for core registers GDB XML description. * @gdb_stop_before_watchpoint: Indicates whether GDB expects the CPU to stop @@ -163,15 +155,6 @@ struct CPUClass { int (*gdb_read_register)(CPUState *cpu, GByteArray *buf, int reg); int (*gdb_write_register)(CPUState *cpu, uint8_t *buf, int reg); - int (*write_elf64_note)(WriteCoreDumpFunction f, CPUState *cpu, - int cpuid, void *opaque); - int (*write_elf64_qemunote)(WriteCoreDumpFunction f, CPUState *cpu, - void *opaque); - int (*write_elf32_note)(WriteCoreDumpFunction f, CPUState *cpu, - int cpuid, void *opaque); - int (*write_elf32_qemunote)(WriteCoreDumpFunction f, CPUState *cpu, - void *opaque); - const char *gdb_core_xml_file; gchar * (*gdb_arch_name)(CPUState *cpu); const char * (*gdb_get_dynamic_xml)(CPUState *cpu, const char *xmlname); diff --git a/include/hw/core/sysemu-cpu-ops.h b/include/hw/core/sysemu-cpu-ops.h index c6ec9b0a7f6..19247d330dc 100644 --- a/include/hw/core/sysemu-cpu-ops.h +++ b/include/hw/core/sysemu-cpu-ops.h @@ -21,6 +21,30 @@ typedef struct SysemuCPUOps { * GUEST_PANICKED events. */ GuestPanicInformation* (*get_crash_info)(CPUState *cpu); + /** + * @write_elf32_note: Callback for writing a CPU-specific ELF note to a + * 32-bit VM coredump. + */ + int (*write_elf32_note)(WriteCoreDumpFunction f, CPUState *cpu, + int cpuid, void *opaque); + /** + * @write_elf64_note: Callback for writing a CPU-specific ELF note to a + * 64-bit VM coredump. + */ + int (*write_elf64_note)(WriteCoreDumpFunction f, CPUState *cpu, + int cpuid, void *opaque); + /** + * @write_elf32_qemunote: Callback for writing a CPU- and QEMU-specific ELF + * note to a 32-bit VM coredump. + */ + int (*write_elf32_qemunote)(WriteCoreDumpFunction f, CPUState *cpu, + void *opaque); + /** + * @write_elf64_qemunote: Callback for writing a CPU- and QEMU-specific ELF + * note to a 64-bit VM coredump. + */ + int (*write_elf64_qemunote)(WriteCoreDumpFunction f, CPUState *cpu, + void *opaque); /** * @virtio_is_big_endian: Callback to return %true if a CPU which supports * runtime configurable endianness is currently big-endian. diff --git a/hw/core/cpu-sysemu.c b/hw/core/cpu-sysemu.c index 90b5ac8eb9e..d55ef8d23d1 100644 --- a/hw/core/cpu-sysemu.c +++ b/hw/core/cpu-sysemu.c @@ -84,10 +84,10 @@ int cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu, { CPUClass *cc = CPU_GET_CLASS(cpu); - if (!cc->write_elf32_qemunote) { + if (!cc->sysemu_ops->write_elf32_qemunote) { return 0; } - return (*cc->write_elf32_qemunote)(f, cpu, opaque); + return (*cc->sysemu_ops->write_elf32_qemunote)(f, cpu, opaque); } int cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu, @@ -95,10 +95,10 @@ int cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu, { CPUClass *cc = CPU_GET_CLASS(cpu); - if (!cc->write_elf32_note) { + if (!cc->sysemu_ops->write_elf32_note) { return -1; } - return (*cc->write_elf32_note)(f, cpu, cpuid, opaque); + return (*cc->sysemu_ops->write_elf32_note)(f, cpu, cpuid, opaque); } int cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu, @@ -106,10 +106,10 @@ int cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu, { CPUClass *cc = CPU_GET_CLASS(cpu); - if (!cc->write_elf64_qemunote) { + if (!cc->sysemu_ops->write_elf64_qemunote) { return 0; } - return (*cc->write_elf64_qemunote)(f, cpu, opaque); + return (*cc->sysemu_ops->write_elf64_qemunote)(f, cpu, opaque); } int cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu, @@ -117,10 +117,10 @@ int cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu, { CPUClass *cc = CPU_GET_CLASS(cpu); - if (!cc->write_elf64_note) { + if (!cc->sysemu_ops->write_elf64_note) { return -1; } - return (*cc->write_elf64_note)(f, cpu, cpuid, opaque); + return (*cc->sysemu_ops->write_elf64_note)(f, cpu, cpuid, opaque); } bool cpu_virtio_is_big_endian(CPUState *cpu) diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 9100947905a..a56de47d1fa 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -1944,6 +1944,8 @@ static gchar *arm_gdb_arch_name(CPUState *cs) #ifndef CONFIG_USER_ONLY static const struct SysemuCPUOps arm_sysemu_ops = { + .write_elf32_note = arm_cpu_write_elf32_note, + .write_elf64_note = arm_cpu_write_elf64_note, .virtio_is_big_endian = arm_cpu_virtio_is_big_endian, .legacy_vmsd = &vmstate_arm_cpu, }; @@ -1988,8 +1990,6 @@ static void arm_cpu_class_init(ObjectClass *oc, void *data) #ifndef CONFIG_USER_ONLY cc->get_phys_page_attrs_debug = arm_cpu_get_phys_page_attrs_debug; cc->asidx_from_attrs = arm_asidx_from_attrs; - cc->write_elf64_note = arm_cpu_write_elf64_note; - cc->write_elf32_note = arm_cpu_write_elf32_note; cc->sysemu_ops = &arm_sysemu_ops; #endif cc->gdb_num_core_regs = 26; diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 1106dc3fc98..44c9546eda2 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6717,6 +6717,10 @@ static Property x86_cpu_properties[] = { #ifndef CONFIG_USER_ONLY static const struct SysemuCPUOps i386_sysemu_ops = { .get_crash_info = x86_cpu_get_crash_info, + .write_elf32_note = x86_cpu_write_elf32_note, + .write_elf64_note = x86_cpu_write_elf64_note, + .write_elf32_qemunote = x86_cpu_write_elf32_qemunote, + .write_elf64_qemunote = x86_cpu_write_elf64_qemunote, .legacy_vmsd = &vmstate_x86_cpu, }; #endif @@ -6751,10 +6755,6 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data) cc->asidx_from_attrs = x86_asidx_from_attrs; cc->get_memory_mapping = x86_cpu_get_memory_mapping; cc->get_phys_page_attrs_debug = x86_cpu_get_phys_page_attrs_debug; - cc->write_elf64_note = x86_cpu_write_elf64_note; - cc->write_elf64_qemunote = x86_cpu_write_elf64_qemunote; - cc->write_elf32_note = x86_cpu_write_elf32_note; - cc->write_elf32_qemunote = x86_cpu_write_elf32_qemunote; cc->sysemu_ops = &i386_sysemu_ops; #endif /* !CONFIG_USER_ONLY */ diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index e724c10a2ed..d86e44ca07d 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -598,6 +598,8 @@ static const char *riscv_gdb_get_dynamic_xml(CPUState *cs, const char *xmlname) #ifndef CONFIG_USER_ONLY static const struct SysemuCPUOps riscv_sysemu_ops = { + .write_elf64_note = riscv_cpu_write_elf64_note, + .write_elf32_note = riscv_cpu_write_elf32_note, .legacy_vmsd = &vmstate_riscv_cpu, }; #endif @@ -645,8 +647,6 @@ static void riscv_cpu_class_init(ObjectClass *c, void *data) #ifndef CONFIG_USER_ONLY cc->get_phys_page_debug = riscv_cpu_get_phys_page_debug; cc->sysemu_ops = &riscv_sysemu_ops; - cc->write_elf64_note = riscv_cpu_write_elf64_note; - cc->write_elf32_note = riscv_cpu_write_elf32_note; #endif cc->gdb_arch_name = riscv_gdb_arch_name; cc->gdb_get_dynamic_xml = riscv_gdb_get_dynamic_xml; diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c index 470aaeb72e6..058ffcef15f 100644 --- a/target/s390x/cpu.c +++ b/target/s390x/cpu.c @@ -479,6 +479,7 @@ static void s390_cpu_reset_full(DeviceState *dev) #ifndef CONFIG_USER_ONLY static const struct SysemuCPUOps s390_sysemu_ops = { .get_crash_info = s390_cpu_get_crash_info, + .write_elf64_note = s390_cpu_write_elf64_note, .legacy_vmsd = &vmstate_s390_cpu, }; #endif @@ -523,7 +524,6 @@ static void s390_cpu_class_init(ObjectClass *oc, void *data) cc->gdb_write_register = s390_cpu_gdb_write_register; #ifndef CONFIG_USER_ONLY cc->get_phys_page_debug = s390_cpu_get_phys_page_debug; - cc->write_elf64_note = s390_cpu_write_elf64_note; cc->sysemu_ops = &s390_sysemu_ops; #endif cc->disas_set_info = s390_cpu_disas_set_info; diff --git a/target/ppc/translate_init.c.inc b/target/ppc/translate_init.c.inc index 73e859ea0d3..86b11e1356a 100644 --- a/target/ppc/translate_init.c.inc +++ b/target/ppc/translate_init.c.inc @@ -10239,6 +10239,8 @@ static Property ppc_cpu_properties[] = { #ifndef CONFIG_USER_ONLY static const struct SysemuCPUOps ppc_sysemu_ops = { + .write_elf32_note = ppc32_cpu_write_elf32_note, + .write_elf64_note = ppc64_cpu_write_elf64_note, .virtio_is_big_endian = ppc_cpu_is_big_endian, .legacy_vmsd = &vmstate_ppc_cpu, }; @@ -10288,10 +10290,6 @@ static void ppc_cpu_class_init(ObjectClass *oc, void *data) cc->get_phys_page_debug = ppc_cpu_get_phys_page_debug; cc->sysemu_ops = &ppc_sysemu_ops; #endif -#if defined(CONFIG_SOFTMMU) - cc->write_elf64_note = ppc64_cpu_write_elf64_note; - cc->write_elf32_note = ppc32_cpu_write_elf32_note; -#endif cc->gdb_num_core_regs = 71; #ifndef CONFIG_USER_ONLY -- 2.26.3