diff options
Diffstat (limited to 'libc/sysdeps/linux/arc/bsd-setjmp.S')
| -rw-r--r-- | libc/sysdeps/linux/arc/bsd-setjmp.S | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/arc/bsd-setjmp.S b/libc/sysdeps/linux/arc/bsd-setjmp.S new file mode 100644 index 000000000..46745958e --- /dev/null +++ b/libc/sysdeps/linux/arc/bsd-setjmp.S @@ -0,0 +1,20 @@ +/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. ARC version. + * + * Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com) + * + * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball. + */ + +/* This just does a tail-call to `__sigsetjmp (ARG, 1)'. + We cannot do it in C because it must be a tail-call, so frame-unwinding + in setjmp doesn't clobber the state restored by longjmp. */ + +#include <sysdep.h> + +;@ r0 = jump buffer into which regs will be saved + +ENTRY(setjmp) + b.d __sigsetjmp + mov r1, 1 ; save signals +END(setjmp) +libc_hidden_def(setjmp) |