diff options
Diffstat (limited to 'src/resources.c')
| -rw-r--r-- | src/resources.c | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/src/resources.c b/src/resources.c index cdebea8..6428ecc 100644 --- a/src/resources.c +++ b/src/resources.c @@ -4022,6 +4022,8 @@ GResource *krb5_auth_dialog_get_resource (void) */ +#ifndef __GTK_DOC_IGNORE__ + #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) #define G_HAS_CONSTRUCTORS 1 @@ -4034,17 +4036,43 @@ GResource *krb5_auth_dialog_get_resource (void) #define G_HAS_CONSTRUCTORS 1 -#define G_DEFINE_CONSTRUCTOR(_func) \ +/* We do some weird things to avoid the constructors being optimized + * away on VS2015 if WholeProgramOptimization is enabled. First we + * make a reference to the array from the wrapper to make sure its + * references. Then we use a pragma to make sure the wrapper function + * symbol is always included at the link stage. Also, the symbols + * need to be extern (but not dllexport), even though they are not + * really used from another object file. + */ + +/* We need to account for differences between the mangling of symbols + * for Win32 (x86) and x64 programs, as symbols on Win32 are prefixed + * with an underscore but symbols on x64 are not. + */ +#ifdef _WIN64 +#define G_MSVC_SYMBOL_PREFIX "" +#else +#define G_MSVC_SYMBOL_PREFIX "_" +#endif + +#define G_DEFINE_CONSTRUCTOR(_func) G_MSVC_CTOR (_func, G_MSVC_SYMBOL_PREFIX) +#define G_DEFINE_DESTRUCTOR(_func) G_MSVC_DTOR (_func, G_MSVC_SYMBOL_PREFIX) + +#define G_MSVC_CTOR(_func,_sym_prefix) \ static void _func(void); \ - static int _func ## _wrapper(void) { _func(); return 0; } \ + extern int (* _array ## _func)(void); \ + int _func ## _wrapper(void) { _func(); g_slist_find (NULL, _array ## _func); return 0; } \ + __pragma(comment(linker,"/include:" _sym_prefix # _func "_wrapper")) \ __pragma(section(".CRT$XCU",read)) \ - __declspec(allocate(".CRT$XCU")) static int (* _array ## _func)(void) = _func ## _wrapper; + __declspec(allocate(".CRT$XCU")) int (* _array ## _func)(void) = _func ## _wrapper; -#define G_DEFINE_DESTRUCTOR(_func) \ +#define G_MSVC_DTOR(_func,_sym_prefix) \ static void _func(void); \ - static int _func ## _constructor(void) { atexit (_func); return 0; } \ + extern int (* _array ## _func)(void); \ + int _func ## _constructor(void) { atexit (_func); g_slist_find (NULL, _array ## _func); return 0; } \ + __pragma(comment(linker,"/include:" _sym_prefix # _func "_constructor")) \ __pragma(section(".CRT$XCU",read)) \ - __declspec(allocate(".CRT$XCU")) static int (* _array ## _func)(void) = _func ## _constructor; + __declspec(allocate(".CRT$XCU")) int (* _array ## _func)(void) = _func ## _constructor; #elif defined (_MSC_VER) @@ -4095,6 +4123,7 @@ GResource *krb5_auth_dialog_get_resource (void) #endif +#endif /* __GTK_DOC_IGNORE__ */ #ifdef G_HAS_CONSTRUCTORS |