1 04e0a9bb 2011-10-14 rsc #define	setcontext(u)	libthread_setmcontext(&(u)->mc)
 2 04e0a9bb 2011-10-14 rsc #define	getcontext(u)	libthread_getmcontext(&(u)->mc)
 3 04e0a9bb 2011-10-14 rsc typedef struct mcontext mcontext_t;
 4 04e0a9bb 2011-10-14 rsc typedef struct ucontext ucontext_t;
 5 04e0a9bb 2011-10-14 rsc 
 6 04e0a9bb 2011-10-14 rsc struct mcontext
 7 04e0a9bb 2011-10-14 rsc {
 8 04e0a9bb 2011-10-14 rsc 	uintptr	ax;
 9 04e0a9bb 2011-10-14 rsc 	uintptr	bx;
10 04e0a9bb 2011-10-14 rsc 	uintptr cx;
11 04e0a9bb 2011-10-14 rsc 	uintptr dx;
12 04e0a9bb 2011-10-14 rsc 	uintptr si;
13 04e0a9bb 2011-10-14 rsc 	uintptr di;
14 04e0a9bb 2011-10-14 rsc 	uintptr	bp;
15 04e0a9bb 2011-10-14 rsc 	uintptr sp;
16 04e0a9bb 2011-10-14 rsc 	uintptr r8;
17 04e0a9bb 2011-10-14 rsc 	uintptr r9;
18 04e0a9bb 2011-10-14 rsc 	uintptr r10;
19 04e0a9bb 2011-10-14 rsc 	uintptr r11;
20 04e0a9bb 2011-10-14 rsc 	uintptr r12;
21 04e0a9bb 2011-10-14 rsc 	uintptr r13;
22 04e0a9bb 2011-10-14 rsc 	uintptr r14;
23 04e0a9bb 2011-10-14 rsc 	uintptr r15;
24 04e0a9bb 2011-10-14 rsc /*
25 04e0a9bb 2011-10-14 rsc // XXX: currently do not save vector registers or floating-point state
26 04e0a9bb 2011-10-14 rsc */
27 04e0a9bb 2011-10-14 rsc };
28 04e0a9bb 2011-10-14 rsc 
29 04e0a9bb 2011-10-14 rsc struct ucontext
30 04e0a9bb 2011-10-14 rsc {
31 04e0a9bb 2011-10-14 rsc 	struct {
32 04e0a9bb 2011-10-14 rsc 		void *ss_sp;
33 04e0a9bb 2011-10-14 rsc 		uint ss_size;
34 04e0a9bb 2011-10-14 rsc 	} uc_stack;
35 04e0a9bb 2011-10-14 rsc 	sigset_t uc_sigmask;
36 04e0a9bb 2011-10-14 rsc 	mcontext_t mc;
37 04e0a9bb 2011-10-14 rsc };
38 04e0a9bb 2011-10-14 rsc 
39 04e0a9bb 2011-10-14 rsc void makecontext(ucontext_t*, void(*)(void), int, ...);
40 04e0a9bb 2011-10-14 rsc int swapcontext(ucontext_t*, ucontext_t*);
41 04e0a9bb 2011-10-14 rsc int libthread_getmcontext(mcontext_t*);
42 04e0a9bb 2011-10-14 rsc void libthread_setmcontext(mcontext_t*);