If argument passing to register case (ex. -mregparam=3). This case set all parameters set to register from caller. But callee refer to stack. So can't get parameter.

Signed-off-by: Yoshinori Sato ysato@users.sourceforge.jp --- libc/sysdeps/linux/common/openat.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/libc/sysdeps/linux/common/openat.c b/libc/sysdeps/linux/common/openat.c index f6032da..f71567c 100644 --- a/libc/sysdeps/linux/common/openat.c +++ b/libc/sysdeps/linux/common/openat.c @@ -8,11 +8,24 @@

#include <sys/syscall.h> #include <fcntl.h> +#include <stdarg.h>

#ifdef __NR_openat # define __NR___syscall_openat __NR_openat static __inline__ _syscall4(int, __syscall_openat, int, fd, const char *, file, int, oflag, mode_t, mode) -strong_alias_untyped(__syscall_openat,openat) + +int __openat(int fd, const char *file, int o_flag, ...) +{ + va_list ap; + mode_t mode; + + va_start(ap, o_flag); + mode = va_arg(ap, int); + va_end(ap); + return __syscall_openat(fd, file, o_flag, mode); +} + +strong_alias_untyped(__openat,openat) libc_hidden_def(openat) #else /* should add emulation with open() and /proc/self/fd/ ... */