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[PATCH 09/29] tcg/module: add tcg-module.[ch] infrastructure


From: Gerd Hoffmann
Subject: [PATCH 09/29] tcg/module: add tcg-module.[ch] infrastructure
Date: Tue, 31 Aug 2021 14:15:25 +0200

Add TCGModuleOps struct, empty for now, followup patches will fill it.
This struct has pointers for tcg functions which are called by core
qemu.

The struct is initialized (at compile time) with pointers to stub
functions.  When the tcg module loads it will update the function
pointers to point to the real functions instead.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 include/tcg/tcg-module.h | 8 ++++++++
 accel/tcg/tcg-module.c   | 5 +++++
 accel/tcg/meson.build    | 4 ++++
 3 files changed, 17 insertions(+)
 create mode 100644 include/tcg/tcg-module.h
 create mode 100644 accel/tcg/tcg-module.c

diff --git a/include/tcg/tcg-module.h b/include/tcg/tcg-module.h
new file mode 100644
index 000000000000..7e87aecb2357
--- /dev/null
+++ b/include/tcg/tcg-module.h
@@ -0,0 +1,8 @@
+#ifndef TCG_MODULE_H
+#define TCG_MODULE_H
+
+struct TCGModuleOps {
+};
+extern struct TCGModuleOps tcg;
+
+#endif /* TCG_MODULE_H */
diff --git a/accel/tcg/tcg-module.c b/accel/tcg/tcg-module.c
new file mode 100644
index 000000000000..e864fb20c141
--- /dev/null
+++ b/accel/tcg/tcg-module.c
@@ -0,0 +1,5 @@
+#include "qemu/osdep.h"
+#include "tcg/tcg-module.h"
+
+struct TCGModuleOps tcg = {
+};
diff --git a/accel/tcg/meson.build b/accel/tcg/meson.build
index ec74e17a8285..93cbbf9f3926 100644
--- a/accel/tcg/meson.build
+++ b/accel/tcg/meson.build
@@ -1,3 +1,7 @@
+specific_ss.add(files(
+  'tcg-module.c',
+))
+
 specific_ss.add(when: 'CONFIG_TCG', if_true: files(
   'cpu-exec-common.c',
 ))
-- 
2.31.1




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