#include <inttypes.h>
#include <signal.h>
#include <stddef.h>
#include <sys/ucontext.h>

SIG_BLOCK
SIG_SETMASK

-- Offsets of the fields in the ucontext_t structure.
#define ucontext(member)	offsetof (ucontext_t, member)
#define mcontext(member)	ucontext (uc_mcontext.member)

UCONTEXT_FLAGS			ucontext (uc_flags)
UCONTEXT_LINK			ucontext (uc_link)
UCONTEXT_STACK			ucontext (uc_stack)
UCONTEXT_MCONTEXT		ucontext (uc_mcontext)
UCONTEXT_SIGMASK		ucontext (uc_sigmask)

MCONTEXT_Q0			mcontext (sc_regs.r0)
MCONTEXT_Q4			mcontext (sc_regs.r4)
MCONTEXT_Q8			mcontext (sc_regs.r8)
MCONTEXT_Q12			mcontext (sc_regs.r12)
MCONTEXT_Q16			mcontext (sc_regs.r16)
MCONTEXT_Q20			mcontext (sc_regs.r20)
MCONTEXT_Q24			mcontext (sc_regs.r24)
MCONTEXT_Q28			mcontext (sc_regs.r28)
MCONTEXT_LC_LE_LS_RA		mcontext (sc_regs.lc)
MCONTEXT_CS_SPC			mcontext (sc_regs.cs)