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[PATCH 11/16] cpu: Move CPUClass::write_elf* to CPUSystemOperations


From: Philippe Mathieu-Daudé
Subject: [PATCH 11/16] cpu: Move CPUClass::write_elf* to CPUSystemOperations
Date: Fri, 26 Feb 2021 17:32:22 +0100

The write_elf*() handlers are used to dump vmcore images.
This feature is only meaningful for system emulation.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 include/hw/core/cpu.h           | 41 +++++++++++++++++++--------------
 hw/core/cpu.c                   | 16 ++++++-------
 target/arm/cpu.c                |  4 ++--
 target/i386/cpu.c               |  8 +++----
 target/s390x/cpu.c              |  2 +-
 target/ppc/translate_init.c.inc |  4 ++--
 6 files changed, 41 insertions(+), 34 deletions(-)

diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 87186e85d44..e8c2e9af3bb 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -89,6 +89,30 @@ typedef struct CPUSystemOperations {
      * 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.
@@ -133,14 +157,6 @@ typedef struct CPUSystemOperations {
  *       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
@@ -184,15 +200,6 @@ 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/hw/core/cpu.c b/hw/core/cpu.c
index ddf5635d87b..3dc8faf6086 100644
--- a/hw/core/cpu.c
+++ b/hw/core/cpu.c
@@ -151,10 +151,10 @@ int cpu_write_elf32_qemunote(WriteCoreDumpFunction f, 
CPUState *cpu,
 {
     CPUClass *cc = CPU_GET_CLASS(cpu);
 
-    if (!cc->write_elf32_qemunote) {
+    if (!cc->system_ops.write_elf32_qemunote) {
         return 0;
     }
-    return (*cc->write_elf32_qemunote)(f, cpu, opaque);
+    return (*cc->system_ops.write_elf32_qemunote)(f, cpu, opaque);
 }
 
 int cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
@@ -162,10 +162,10 @@ int cpu_write_elf32_note(WriteCoreDumpFunction f, 
CPUState *cpu,
 {
     CPUClass *cc = CPU_GET_CLASS(cpu);
 
-    if (!cc->write_elf32_note) {
+    if (!cc->system_ops.write_elf32_note) {
         return -1;
     }
-    return (*cc->write_elf32_note)(f, cpu, cpuid, opaque);
+    return (*cc->system_ops.write_elf32_note)(f, cpu, cpuid, opaque);
 }
 
 int cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
@@ -173,10 +173,10 @@ int cpu_write_elf64_qemunote(WriteCoreDumpFunction f, 
CPUState *cpu,
 {
     CPUClass *cc = CPU_GET_CLASS(cpu);
 
-    if (!cc->write_elf64_qemunote) {
+    if (!cc->system_ops.write_elf64_qemunote) {
         return 0;
     }
-    return (*cc->write_elf64_qemunote)(f, cpu, opaque);
+    return (*cc->system_ops.write_elf64_qemunote)(f, cpu, opaque);
 }
 
 int cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
@@ -184,10 +184,10 @@ int cpu_write_elf64_note(WriteCoreDumpFunction f, 
CPUState *cpu,
 {
     CPUClass *cc = CPU_GET_CLASS(cpu);
 
-    if (!cc->write_elf64_note) {
+    if (!cc->system_ops.write_elf64_note) {
         return -1;
     }
-    return (*cc->write_elf64_note)(f, cpu, cpuid, opaque);
+    return (*cc->system_ops.write_elf64_note)(f, cpu, cpuid, opaque);
 }
 
 static int cpu_common_gdb_read_register(CPUState *cpu, GByteArray *buf, int 
reg)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 3cbb17a5879..4941a651e64 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2301,8 +2301,8 @@ static void arm_cpu_class_init(ObjectClass *oc, void 
*data)
     cc->asidx_from_attrs = arm_asidx_from_attrs;
     cc->system_ops.vmsd = &vmstate_arm_cpu;
     cc->system_ops.virtio_is_big_endian = arm_cpu_virtio_is_big_endian;
-    cc->write_elf64_note = arm_cpu_write_elf64_note;
-    cc->write_elf32_note = arm_cpu_write_elf32_note;
+    cc->system_ops.write_elf64_note = arm_cpu_write_elf64_note;
+    cc->system_ops.write_elf32_note = arm_cpu_write_elf32_note;
 #endif
     cc->gdb_num_core_regs = 26;
     cc->gdb_core_xml_file = "arm-core.xml";
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 9692843256c..c34d41d4c79 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -7422,10 +7422,10 @@ static void x86_cpu_common_class_init(ObjectClass *oc, 
void *data)
     cc->get_memory_mapping = x86_cpu_get_memory_mapping;
     cc->get_phys_page_attrs_debug = x86_cpu_get_phys_page_attrs_debug;
     cc->system_ops.get_crash_info = x86_cpu_get_crash_info;
-    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->system_ops.write_elf64_note = x86_cpu_write_elf64_note;
+    cc->system_ops.write_elf64_qemunote = x86_cpu_write_elf64_qemunote;
+    cc->system_ops.write_elf32_note = x86_cpu_write_elf32_note;
+    cc->system_ops.write_elf32_qemunote = x86_cpu_write_elf32_qemunote;
     cc->system_ops.vmsd = &vmstate_x86_cpu;
 #endif /* !CONFIG_USER_ONLY */
 
diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
index f9107cb7179..dcfbb7832e1 100644
--- a/target/s390x/cpu.c
+++ b/target/s390x/cpu.c
@@ -519,7 +519,7 @@ static void s390_cpu_class_init(ObjectClass *oc, void *data)
     cc->get_phys_page_debug = s390_cpu_get_phys_page_debug;
     cc->system_ops.vmsd = &vmstate_s390_cpu;
     cc->system_ops.get_crash_info = s390_cpu_get_crash_info;
-    cc->write_elf64_note = s390_cpu_write_elf64_note;
+    cc->system_ops.write_elf64_note = s390_cpu_write_elf64_note;
 #endif
     cc->disas_set_info = s390_cpu_disas_set_info;
     cc->gdb_num_core_regs = S390_NUM_CORE_REGS;
diff --git a/target/ppc/translate_init.c.inc b/target/ppc/translate_init.c.inc
index 2e5c272190b..b1ac3291be1 100644
--- a/target/ppc/translate_init.c.inc
+++ b/target/ppc/translate_init.c.inc
@@ -10888,8 +10888,8 @@ static void ppc_cpu_class_init(ObjectClass *oc, void 
*data)
     cc->system_ops.vmsd = &vmstate_ppc_cpu;
 #endif
 #if defined(CONFIG_SOFTMMU)
-    cc->write_elf64_note = ppc64_cpu_write_elf64_note;
-    cc->write_elf32_note = ppc32_cpu_write_elf32_note;
+    cc->system_ops.write_elf64_note = ppc64_cpu_write_elf64_note;
+    cc->system_ops.write_elf32_note = ppc32_cpu_write_elf32_note;
 #endif
 
     cc->gdb_num_core_regs = 71;
-- 
2.26.2




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