David Schleef wrote:
>
> On Tue, Feb 22, 2000 at 12:51:11PM +0000, Stuart Hughes wrote:
> >
> > Note also the following compiler feature:
> >
> > If have in your RT code:
> >
> > char buf[12] = "mystring";
> >
> > You get an error, due to an implicit call to memset.
>
> Nope. gcc-2.7.2.3 outputs assembly instructions that perform
> the memcpy, even with very long strings.
Hi Dave,
That's weird, this is what I get (gcc version 2.7.2.3). If I compile
the code below using:
cc -O2 -g -D__KERNEL__ -DMODULE -c -o para_mod.o para.c
and then try to insmod para_mod.o, I get the following:
./para_mod.o: unresolved symbol memset
If I comment out the first version and uncomment the second, everything
works ???
Any ideas ??
Regards, Stuart
// System headers.
#include <linux/module.h>
#include <asm/io.h>
int init_module(void)
{
char buf[12] = "test"; // fails, calls implicit memset
// char *buf = "test"; // Okay
printk(buf);
return 0;
}
void cleanup_module(void)
{
}
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