Greeting,
using Sun cc (cc: Sun C 5.9 SunOS_i386 Patch 124868-01 2007/07/12), I
compile my kernel module with -fast. This results in memset(9F) calls
appearing as _memset calls in the object file, which can not be resolved
on a SXCE 106 kernel.
Is this a problem with my include files and defines, the compiler
version, usage of -fast for kernel code?
The exact call is
cc -fast -xmodel=kernel -m64 -D_KERNEL -c foo.c -o foo.o
Omitting -fast puts memset in the object code. But I'd really like to
optimize somewhat.
A testcase is inlined below (memset.c). Compiling this like
$ cc -fast -xmodel=kernel -m64 -D_KERNEL -c memset.c -o memset.o
results in memset being inlined(?), as nm indicates:
$ nm memset.o | grep memset
memset.o:
[1] | 0| 0|FILE |LOCL |0 |ABS
|memset.c
Joachim
----- memset.c -----
#include <sys/ddi.h>
#include <sys/sunddi.h>
extern void *ptr;
void *foo(void)
{
return memset(ptr, 128, 128);
}
--------------------
--
Joachim Worringen, Software Architect, Dolphin Interconnect Solutions
phone ++49/(0)228/324 08 17 - http://www.dolphinics.com
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