On Fri, 2008-10-24 at 09:07 -0700, CAI Qian wrote:
> Hi,
>
> The following hack fixes the "endian_switch01.c:115: warning: ‘main’ takes
> only zero or two
> arguments" warning.
>
> Signed-off-by: CAI Qian <[EMAIL PROTECTED]>
>
Thanks Cai.
Regards--
Subrata
> --- testarea/ltp/testcases/kernel/syscalls/switch/endian_switch01.c.orig
> 2008-10-24
> 11:54:23.000000000 -0400
> +++ testarea/ltp/testcases/kernel/syscalls/switch/endian_switch01.c
> 2008-10-24 11:55:53.000000000
> -0400
> @@ -74,6 +74,9 @@
> TEST_PAUSE;
>
> }
> +
> +extern int main4(int ac, char **av, char **envp, unsigned long *auxv)
> +__asm ("main");
> #endif
>
> void cleanup() {
> @@ -112,7 +115,7 @@
> : "cr0", "r9", "r10", "r11", "r12");
> }
>
> -int main(int ac, char **av, char **envp, unsigned long *auxv) {
> +int main4(int ac, char **av, char **envp, unsigned long *auxv) {
> setup();
> for (; *auxv != AT_NULL && *auxv != AT_HWCAP; auxv += 2)
> ;
>
>
>
> --- CAI Qian <[EMAIL PROTECTED]> wrote:
>
> > Hi,
> >
> > The latest CVS tree has a compilation warning on PPC64,
> >
> > endian_switch01.c:115: warning: ‘main’ takes only zero or two arguments
> >
> > >From the test case code
> > >(./testcases/kernel/syscalls/switch/endian_switch01.c),
> >
> > #if defined (__powerpc64__) || (__powerpc__)
> > #ifndef PPC_FEATURE_TRUE_LE
> > #define PPC_FEATURE_TRUE_LE 0x00000002
> > #endif
> >
> > #include <asm/cputable.h>
> >
> > volatile int got_sigill;
> > sigjmp_buf jb;
> >
> > void sigill(int sig) {
> > got_sigill = 1;
> > siglongjmp(jb, 1);
> > }
> >
> > void do_le_switch(void) {
> > register int r0 asm("r0");
> >
> > r0 = 0x1ebe;
> > asm volatile("sc; .long 0x02000044"
> > : "=&r" (r0) : "0" (r0)
> > : "cr0", "r9", "r10", "r11", "r12");
> > }
> >
> >
> > int main(int ac, char **av, char **envp, unsigned long *auxv) { <----
> > line 115
> > setup();
> > for (; *auxv != AT_NULL && *auxv != AT_HWCAP; auxv += 2)
> > ;
> > if (!(auxv[0] == AT_HWCAP && (auxv[1] & PPC_FEATURE_TRUE_
> >
> > I am not familiar why PPC64's main() has 4 arguments. Does the warning
> > signal a potential
> > problem?
> > Is it possible to fix it?
> >
> > Cai Qian
> >
> >
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>
>
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