+2013-11-10 Kai Tietz <ktietz@redhat.com>
+
+ * config/i386/cygming-crtbegin.c (__gcc_register_frame):
+ Increment load-count on use of LIBGCC_SONAME DLL.
+ (hmod_libgcc): New static variable to hold handle of
+ LIBGCC_SONAME DLL.
+ (__gcc_deregister_frame): Decrement load-count of
+ LIBGCC_SONAME DLL.
+
2013-11-08 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
* configure.ac (libgcc_cv_dfp): Extend check to probe fenv.h
= { };
static struct object obj;
+
+/* Handle of libgcc's DLL reference. */
+HANDLE hmod_libgcc;
#endif
#if TARGET_USE_JCR_SECTION
void (*register_frame_fn) (const void *, struct object *);
HANDLE h = GetModuleHandle (LIBGCC_SONAME);
+
if (h)
- register_frame_fn = (void (*) (const void *, struct object *))
- GetProcAddress (h, "__register_frame_info");
+ {
+ /* Increasing the load-count of LIBGCC_SONAME DLL. */
+ hmod_libgcc = LoadLibrary (LIBGCC_SONAME);
+ register_frame_fn = (void (*) (const void *, struct object *))
+ GetProcAddress (h, "__register_frame_info");
+ }
else
register_frame_fn = __register_frame_info;
if (register_frame_fn)
deregister_frame_fn = __deregister_frame_info;
if (deregister_frame_fn)
deregister_frame_fn (__EH_FRAME_BEGIN__);
+ if (hmod_libgcc)
+ FreeLibrary (hmod_libgcc);
#endif
}