[v1] Final test, gdbstub, plugin and gitdm updates for 8.2

[PULL 09/23] gdbstub: Introduce gdb_find_static_feature()

Alex Bennée posted 23 patches 1 year ago

Diff against v2
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Maintainers: Yonggang Luo <luoyonggang@gmail.com>, "Alex Bennée" <alex.bennee@linaro.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Thomas Huth <thuth@redhat.com>, Wainer dos Santos Moschetta <wainersm@redhat.com>, Beraldo Leal <bleal@redhat.com>, Laurent Vivier <laurent@vivier.eu>, Paolo Bonzini <pbonzini@redhat.com>, Alexandre Iooss <erdnaxe@crans.org>, Mahmoud Mandour <ma.mandourr@gmail.com>, Richard Henderson <richard.henderson@linaro.org>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, John Snow <jsnow@redhat.com>, Cleber Rosa <crosa@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Chris Wulff <crwulff@gmail.com>, Marek Vasut <marex@denx.de>, Nicholas Piggin <npiggin@gmail.com>, Daniel Henrique Barboza <danielhb413@gmail.com>, "Cédric Le Goater" <clg@kaod.org>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>

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[PULL 09/23] gdbstub: Introduce gdb_find_static_feature()

Posted by Alex Bennée 1 year ago

From: Akihiko Odaki <akihiko.odaki@daynix.com>

This function is useful to determine the number of registers exposed to
GDB from the XML name.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231025093128.33116-3-akihiko.odaki@daynix.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231106185112.2755262-10-alex.bennee@linaro.org>

diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h
index a43aa34dad..7fe00506c7 100644
--- a/include/exec/gdbstub.h
+++ b/include/exec/gdbstub.h
@@ -44,6 +44,14 @@ void gdb_register_coprocessor(CPUState *cpu,
  */
 int gdbserver_start(const char *port_or_device);
 
+/**
+ * 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 */
diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c
index 29540a0284..ae24c4848f 100644
--- a/gdbstub/gdbstub.c
+++ b/gdbstub/gdbstub.c
@@ -422,6 +422,19 @@ static const char *get_feature_xml(const char *p, const char **newp,
     return NULL;
 }
 
+const GDBFeature *gdb_find_static_feature(const char *xmlname)
+{
+    const GDBFeature *feature;
+
+    for (feature = gdb_static_features; feature->xmlname; feature++) {
+        if (!strcmp(feature->xmlname, xmlname)) {
+            return feature;
+        }
+    }
+
+    g_assert_not_reached();
+}
+
 static int gdb_read_register(CPUState *cpu, GByteArray *buf, int reg)
 {
     CPUClass *cc = CPU_GET_CLASS(cpu);
-- 
2.39.2