Am Donnerstag 02 Juni 2011, 23:04:58 schrieb Eric Paris:
> b/arch/um/sys-i386/shared/sysdep/ptrace.h index d50e62e..ef5c310 100644
> --- a/arch/um/sys-i386/shared/sysdep/ptrace.h
> +++ b/arch/um/sys-i386/shared/sysdep/ptrace.h
> @@ -162,6 +162,7 @@ struct syscall_args {
> #define UPT_ORIG_SYSCALL(r) UPT_EAX(r)
> #define UPT_SYSCALL_NR(r) UPT_ORIG_EAX(r)
> #define UPT_SYSCALL_RET(r) UPT_EAX(r)
> +#define regs_return_value UPT_SYSCALL_RET
This does not work at all.
UPT_SYSCALL_RET expects something of type struct uml_pt_regs.
#define regs_return_value REGS_EAX
Would be correct. (For x86_64 it needs to be REGS_RAX)
But there seems to be another problem.
Why is pt_regs of type void *?
gcc complains:
In file included from include/linux/fsnotify.h:15:0,
from include/linux/security.h:26,
from init/main.c:32:
include/linux/audit.h: In function âaudit_syscall_exitâ:
include/linux/audit.h:440:17: warning: dereferencing âvoid *â pointer
include/linux/audit.h:440:3: error: invalid use of void expression
include/linux/audit.h:441:21: warning: dereferencing âvoid *â pointer
include/linux/audit.h:441:21: error: void value not ignored as it ought to be
Thanks,
//richard
