target/arm: Use GDBFeature for dynamic XML

In preparation for a change to use GDBFeature as a parameter of
gdb_register_coprocessor(), convert the internal representation of
dynamic feature from plain XML to GDBFeature.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231213-gdb-v17-1-777047380591@daynix.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240227144335.1196131-6-alex.bennee@linaro.org>

1 files changed, 10 insertions, 11 deletions

diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 63f31e0d98..508a9c1e0d 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -25,6 +25,7 @@
 #include "hw/registerfields.h"
 #include "cpu-qom.h"
 #include "exec/cpu-defs.h"
+#include "exec/gdbstub.h"
 #include "qapi/qapi-types-common.h"
 #include "target/arm/multiprocessing.h"
 #include "target/arm/gtimer.h"
@@ -117,23 +118,21 @@
  */
 
 /**
- * DynamicGDBXMLInfo:
- * @desc: Contains the XML descriptions.
- * @num: Number of the registers in this XML seen by GDB.
+ * DynamicGDBFeatureInfo:
+ * @desc: Contains the feature descriptions.
  * @data: A union with data specific to the set of registers
  *    @cpregs_keys: Array that contains the corresponding Key of
  *                  a given cpreg with the same order of the cpreg
  *                  in the XML description.
  */
-typedef struct DynamicGDBXMLInfo {
-    char *desc;
-    int num;
+typedef struct DynamicGDBFeatureInfo {
+    GDBFeature desc;
     union {
         struct {
             uint32_t *keys;
         } cpregs;
     } data;
-} DynamicGDBXMLInfo;
+} DynamicGDBFeatureInfo;
 
 /* CPU state for each instance of a generic timer (in cp15 c14) */
 typedef struct ARMGenericTimer {
@@ -855,10 +854,10 @@ struct ArchCPU {
     uint64_t *cpreg_vmstate_values;
     int32_t cpreg_vmstate_array_len;
 
-    DynamicGDBXMLInfo dyn_sysreg_xml;
-    DynamicGDBXMLInfo dyn_svereg_xml;
-    DynamicGDBXMLInfo dyn_m_systemreg_xml;
-    DynamicGDBXMLInfo dyn_m_secextreg_xml;
+    DynamicGDBFeatureInfo dyn_sysreg_feature;
+    DynamicGDBFeatureInfo dyn_svereg_feature;
+    DynamicGDBFeatureInfo dyn_m_systemreg_feature;
+    DynamicGDBFeatureInfo dyn_m_secextreg_feature;
 
     /* Timers used by the generic (architected) timer */
     QEMUTimer *gt_timer[NUM_GTIMERS];