[ros-dev] object types (was [ros-svn] [ion] 12748: Fix incorrect
LPC Object ...)
Hartmut Birr
hartmut.birr at gmx.de
Mon Jan 3 22:09:49 CET 2005
Hi,
I've add the following line to my test driver:
extern __attribute__((dllimport)) POBJECT_TYPE* ExEventObjectType;
DbgPrint("%x %x %x %x\n",
ExEventObjectType,
*(PULONG)ExEventObjectType,
MmGetSystemRoutineAddress(&NameU),
*(PULONG)MmGetSystemRoutineAddress(&NameU));
Running on W2K, I get this result:
GCC: 81ebd540 81ebd440 8047a888 81ebd540
MSVC: 8047a888 81ebd540 8047a888 81ebd540
Running on ROS:
GCC: c0692ef8 54545645 c00e0760 c0692ef8
MSVC: c00e0760 c0692ef8 c00e0760 c0692ef8
It seems that GCC and MSVC does handle imported data symbols different.
In MSVC is an imported data symbol a pointer to the variable and in GCC
the value of the variable.
- Hartmut
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