diff options
| -rw-r--r-- | libc/sysdeps/linux/or1k/Makefile.arch | 2 | ||||
| -rw-r--r-- | libc/sysdeps/linux/or1k/syscall.c | 32 |
2 files changed, 33 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/or1k/Makefile.arch b/libc/sysdeps/linux/or1k/Makefile.arch index f6758fa63..191eebafd 100644 --- a/libc/sysdeps/linux/or1k/Makefile.arch +++ b/libc/sysdeps/linux/or1k/Makefile.arch @@ -5,5 +5,5 @@ # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # -CSRC-y := __syscall_error.c __init_brk.c brk.c sbrk.c clone.c +CSRC-y := __syscall_error.c __init_brk.c brk.c sbrk.c clone.c syscall.c SSRC-y := __longjmp.S setjmp.S or1k_clone.S diff --git a/libc/sysdeps/linux/or1k/syscall.c b/libc/sysdeps/linux/or1k/syscall.c new file mode 100644 index 000000000..2f4356737 --- /dev/null +++ b/libc/sysdeps/linux/or1k/syscall.c @@ -0,0 +1,32 @@ +/* + * Copyright (C) 2017 Joel Stanley <joel@jms.id.au> + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include <stdarg.h> +#include <sys/syscall.h> +#include <unistd.h> + +long int syscall (long num, ...) +{ + unsigned long arg1 = 0; + unsigned long arg2 = 0; + unsigned long arg3 = 0; + unsigned long arg4 = 0; + unsigned long arg5 = 0; + unsigned long arg6 = 0; + va_list arg; + + va_start (arg, num); + arg1 = va_arg (arg, unsigned long); + arg2 = va_arg (arg, unsigned long); + arg3 = va_arg (arg, unsigned long); + arg4 = va_arg (arg, unsigned long); + arg5 = va_arg (arg, unsigned long); + arg6 = va_arg (arg, unsigned long); + va_end (arg); + + __asm__ volatile ( "" ::: "memory" ); + + return INLINE_SYSCALL_NCS(num, 6, arg1, arg2, arg3, arg4, arg5, arg6); +} |