[Spice-devel] [PATCH 1/2] define SPICE_CONSTRUCTOR_FUNC and SPICE_DESTRUCTOR_FUNC macros
Frediano Ziglio
fziglio at redhat.com
Mon Feb 29 10:36:53 UTC 2016
Allow to define functions executed at program/shared object initialization
or close.
Signed-off-by: Frediano Ziglio <fziglio at redhat.com>
---
common/macros.h | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/common/macros.h b/common/macros.h
index 47289be..fe36929 100644
--- a/common/macros.h
+++ b/common/macros.h
@@ -29,5 +29,27 @@
#define SPICE_ATTR_PRINTF
#endif /* __GNUC__ */
+#ifdef __GNUC__
+#define SPICE_CONSTRUCTOR_FUNC(func_name) \
+ static void __attribute__((constructor)) func_name(void)
+#define SPICE_DESTRUCTOR_FUNC(func_name) \
+ static void __attribute__((destructor)) func_name(void)
+#elif defined(_MSC_VER)
+#define SPICE_CONSTRUCTOR_FUNC(func_name) \
+ static void func_name(void); \
+ static int func_name ## _wrapper(void) { func_name(); return 0; } \
+ __pragma(section(".CRT$XCU",read)) \
+ __declspec(allocate(".CRT$XCU")) static int (* _array ## func_name)(void) = func_name ## _wrapper; \
+ static void func_name(void)
+#define SPICE_DESTRUCTOR_FUNC(func_name) \
+ static void func_name(void); \
+ static int func_name ## _wrapper(void) { func_name(); return 0; } \
+ __pragma(section(".CRT$XPU",read)) \
+ __declspec(allocate(".CRT$XPU")) static int (* _array ## func_name)(void) = func_name ## _wrapper; \
+ static void func_name(void)
+#else
+#error Please implement SPICE_CONSTRUCTOR_FUNC and SPICE_DESTRUCTOR_FUNC for this compiler
+#endif
+
#endif /* __MACROS_H */
--
2.5.0
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