[Bug libffi/52221] [libffi] r184021 needs to be fixed.

[ktietz at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52221

Kai Tietz <ktietz at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2012-02-12
                 CC|                            |ktietz at gcc dot gnu.org
     Ever Confirmed|0                           |1

--- Comment #1 from Kai Tietz <ktietz at gcc dot gnu.org> 2012-02-12 17:58:27 
UTC ---
Yes, I missed to adjust displacement. Following hunk

@@ -614,7 +614,7 @@
 { unsigned char *__tramp = (unsigned char*)(TRAMP); \
    unsigned int  __fun = (unsigned int)(FUN); \
    unsigned int  __ctx = (unsigned int)(CTX); \
-   unsigned int  __dis = __fun - (__ctx + 22);  \
+   unsigned int  __dis = __fun - (__ctx + 49);  \
    unsigned short __size = (unsigned short)(SIZE); \
    *(unsigned int *) &__tramp[0] = 0x8324048b; /* mov (%esp), %eax */ \
    *(unsigned int *) &__tramp[4] = 0x4c890cec; /* sub $12, %esp */ \

fixes it.