cpu: Introduce CPUClass::gdb_core_xml_file for GDB_CORE_XML

Replace the GDB_CORE_XML define in gdbstub.c with a CPUClass field.
Use first_cpu for qSupported and qXfer:features:read: for now.
Add a stub for xml_builtin.

Signed-off-by: Andreas Färber <afaerber@suse.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index c001474b6c..0d6e95c0b6 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -84,6 +84,7 @@ struct TranslationBlock;
  * @gdb_write_register: Callback for letting GDB write a register.
  * @vmsd: State description for migration.
  * @gdb_num_core_regs: Number of core registers accessible to GDB.
+ * @gdb_core_xml_file: File name for core registers GDB XML description.
  *
  * Represents a CPU family or model.
  */
@@ -125,6 +126,7 @@ typedef struct CPUClass {
 
     const struct VMStateDescription *vmsd;
     int gdb_num_core_regs;
+    const char *gdb_core_xml_file;
 } CPUClass;
 
 struct KVMState;