On Saturday 07 July 2007, Adrian Bunk wrote:
>
> Commit f5738ceed46782aea7663d62cb6398eb05fc4ce0 removed a bit too much,
> resulting in the following compile error:
Sorry about the trouble this has caused you.
> #ifdef __KERNEL__
>
> +/* Syscall protocol:
> + Syscall number in r12, args in r6-r9, r13-r14
> + Return value in r10
> + Trap 0 for `short' syscalls, where all the args can fit in function
> + call argument registers, and trap 1 when there are additional args in
> + r13-r14. */
> +
> +#define SYSCALL_NUM "r12"
> +#define SYSCALL_ARG0 "r6"
> +#define SYSCALL_ARG1 "r7"
> +#define SYSCALL_ARG2 "r8"
> +#define SYSCALL_ARG3 "r9"
> +#define SYSCALL_ARG4 "r13"
> +#define SYSCALL_ARG5 "r14"
> +#define SYSCALL_RET "r10"
> +
> +#define SYSCALL_SHORT_TRAP "0"
> +#define SYSCALL_LONG_TRAP "1"
> +
> +/* Registers clobbered by any syscall. This _doesn't_ include the syscall
> + number (r12) or the `extended arg' registers (r13, r14), even though
> + they are actually clobbered too (this is because gcc's `asm' statement
> + doesn't allow a clobber to be used as an input or output). */
> +#define SYSCALL_CLOBBERS "r1", "r5", "r11", "r15", "r16", \
> + "r17", "r18", "r19"
> +
> +/* Registers clobbered by a `short' syscall. This includes all clobbers
> + except the syscall number (r12). */
> +#define SYSCALL_SHORT_CLOBBERS SYSCALL_CLOBBERS, "r13", "r14"
> +
Wouldn't it be more appropriate to just open-code the contents of these
macros in the place where they are used?
Even better probably would be to convert the v850 kernel_thread code
to call do_fork directly, like most other architectures do.
Arnd <><
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
