1#include <inttypes.h>
2#include <signal.h>
3#include <stddef.h>
4#include <sys/ucontext.h>
5
6#include <kernel_rt_sigframe.h>
7
8-- Constants used by the rt_sigprocmask call.
9
10SIG_BLOCK
11SIG_SETMASK
12
13_NSIG8				(_NSIG / 8)
14
15-- Offsets of the fields in the kernel rt_sigframe_t structure.
16#define rt_sigframe(member)	offsetof (kernel_rt_sigframe_t, member)
17
18RT_SIGFRAME_UCONTEXT		rt_sigframe (rs_uc)
19
20RT_SIGFRAME_SIZE		sizeof (kernel_rt_sigframe_t)
21
22-- Offsets of the fields in the ucontext_t structure.
23#define ucontext(member)	offsetof (ucontext_t, member)
24#define stack(member)		ucontext (uc_stack.member)
25#define mcontext(member)	ucontext (uc_mcontext.member)
26
27UCONTEXT_FLAGS			ucontext (uc_flags)
28UCONTEXT_LINK			ucontext (uc_link)
29UCONTEXT_STACK			ucontext (uc_stack)
30UCONTEXT_MCONTEXT		ucontext (uc_mcontext)
31UCONTEXT_SIGMASK		ucontext (uc_sigmask)
32
33STACK_SP			stack (ss_sp)
34STACK_SIZE			stack (ss_size)
35STACK_FLAGS			stack (ss_flags)
36
37MCONTEXT_GREGS			mcontext (gregs)
38MCONTEXT_FPREGS			mcontext (fpregs)
39MCONTEXT_MDHI			mcontext (mdhi)
40MCONTEXT_HI1			mcontext (hi1)
41MCONTEXT_HI2			mcontext (hi2)
42MCONTEXT_HI3			mcontext (hi3)
43MCONTEXT_MDLO			mcontext (mdlo)
44MCONTEXT_LO1			mcontext (lo1)
45MCONTEXT_LO2			mcontext (lo2)
46MCONTEXT_LO3			mcontext (lo3)
47MCONTEXT_PC			mcontext (pc)
48MCONTEXT_FPC_CSR		mcontext (fpc_csr)
49MCONTEXT_USED_MATH		mcontext (used_math)
50MCONTEXT_DSP			mcontext (dsp)
51
52UCONTEXT_SIZE			sizeof (ucontext_t)
53