unw_is_fpreg

Table of Contents

• Synopsis
• Description
• Return Value
• Thread and Signal Safety
• See Also
• Author

Synopsis

#include <libunwind.h>

int unw_is_fpreg(unw_regnum_t reg);

Description

The unw_is_fpreg() routine checks whether register number reg is a floating-point register.

This routine is normally implemented as a macro and applications should not attempt to take its address.

Return Value

The unw_is_fpreg() routine returns a non-zero value if reg is a floating-point register. Otherwise, it returns a value of 0.

Thread and Signal Safety

unw_is_fpreg() is thread-safe as well as safe to use from a signal handler.

See Also

libunwind(3), unw_get_reg(3), unw_set_reg(3), unw_get_fpreg(3), unw_set_fpreg(3)

Author

David Mosberger-Tang
Hewlett-Packard Labs
Palo-Alto, CA 94304
Email: davidm@hpl.hp.com
WWW: http://www.hpl.hp.com/research/linux/libunwind/.