Merge tag 'pull-halloween-omnibus-081123-1' of https://gitlab.com/stsquad/qemu into staging

Final test, gdbstub, plugin and gitdm updates for 8.2

  - fix duplicate register in arm xml
  - hide various duplicate system registers from gdbstub
  - add new gdb register test to the CI (skipping s390x/ppc64 for now)
  - introduce GDBFeatureBuilder
  - move plugin initialisation to after vCPU init completes
  - enable building TCG plugins on Windows platform
  - various gitdm updates
  - some mailmap fixes
  - disable testing for nios2 signals which have regressed

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* tag 'pull-halloween-omnibus-081123-1' of https://gitlab.com/stsquad/qemu: (23 commits)
  Revert "tests/tcg/nios2: Re-enable linux-user tests"
  mailmap: fixup some more corrupted author fields
  contrib/gitdm: add Daynix to domain-map
  contrib/gitdm: map HiSilicon to Huawei
  contrib/gitdm: add domain-map for Cestc
  contrib/gitdm: Add Rivos Inc to the domain map
  plugins: allow plugins to be enabled on windows
  gitlab: add dlltool to Windows CI
  plugins: disable lockstep plugin on windows
  plugins: make test/example plugins work on windows
  plugins: add dllexport and dllimport to api funcs
  configure: tell meson and contrib_plugins about DLLTOOL
  cpu: Call plugin hooks only when ready
  gdbstub: Introduce GDBFeatureBuilder
  gdbstub: Introduce gdb_find_static_feature()
  gdbstub: Add num_regs member to GDBFeature
  tests/avocado: update the tcg_plugins test
  tests/tcg: add an explicit gdbstub register tester
  target/arm: hide aliased MIDR from gdbstub
  target/arm: hide all versions of DBGD[RS]AR from gdbstub
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 59 insertions, 0 deletions

diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h
index 1a01c35f8e..d8a3c56fa2 100644
--- a/include/exec/gdbstub.h
+++ b/include/exec/gdbstub.h
@@ -13,8 +13,15 @@
 typedef struct GDBFeature {
     const char *xmlname;
     const char *xml;
+    int num_regs;
 } GDBFeature;
 
+typedef struct GDBFeatureBuilder {
+    GDBFeature *feature;
+    GPtrArray *xml;
+    int base_reg;
+} GDBFeatureBuilder;
+
 
 /* Get or set a register.  Returns the size of the register.  */
 typedef int (*gdb_get_reg_cb)(CPUArchState *env, GByteArray *buf, int reg);
@@ -43,6 +50,58 @@ void gdb_register_coprocessor(CPUState *cpu,
  */
 int gdbserver_start(const char *port_or_device);
 
+/**
+ * gdb_feature_builder_init() - Initialize GDBFeatureBuilder.
+ * @builder: The builder to be initialized.
+ * @feature: The feature to be filled.
+ * @name: The name of the feature.
+ * @xmlname: The name of the XML.
+ * @base_reg: The base number of the register ID.
+ */
+void gdb_feature_builder_init(GDBFeatureBuilder *builder, GDBFeature *feature,
+                              const char *name, const char *xmlname,
+                              int base_reg);
+
+/**
+ * gdb_feature_builder_append_tag() - Append a tag.
+ * @builder: The builder.
+ * @format: The format of the tag.
+ * @...: The values to be formatted.
+ */
+void G_GNUC_PRINTF(2, 3)
+gdb_feature_builder_append_tag(const GDBFeatureBuilder *builder,
+                               const char *format, ...);
+
+/**
+ * gdb_feature_builder_append_reg() - Append a register.
+ * @builder: The builder.
+ * @name: The register's name; it must be unique within a CPU.
+ * @bitsize: The register's size, in bits.
+ * @regnum: The offset of the register's number in the feature.
+ * @type: The type of the register.
+ * @group: The register group to which this register belongs; it can be NULL.
+ */
+void gdb_feature_builder_append_reg(const GDBFeatureBuilder *builder,
+                                    const char *name,
+                                    int bitsize,
+                                    int regnum,
+                                    const char *type,
+                                    const char *group);
+
+/**
+ * gdb_feature_builder_end() - End building GDBFeature.
+ * @builder: The builder.
+ */
+void gdb_feature_builder_end(const GDBFeatureBuilder *builder);
+
+/**
+ * gdb_find_static_feature() - Find a static feature.
+ * @xmlname: The name of the XML.
+ *
+ * Return: The static feature.
+ */
+const GDBFeature *gdb_find_static_feature(const char *xmlname);
+
 void gdb_set_stop_cpu(CPUState *cpu);
 
 /* in gdbstub-xml.c, generated by scripts/feature_to_c.py */