43 lines
789 B
C
43 lines
789 B
C
#define setcontext(u) libthread_setmcontext(&(u)->mc)
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#define getcontext(u) libthread_getmcontext(&(u)->mc)
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typedef struct mcontext mcontext_t;
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typedef struct ucontext ucontext_t;
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struct mcontext
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{
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uintptr ax;
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uintptr bx;
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uintptr cx;
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uintptr dx;
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uintptr si;
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uintptr di;
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uintptr bp;
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uintptr sp;
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uintptr r8;
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uintptr r9;
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uintptr r10;
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uintptr r11;
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uintptr r12;
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uintptr r13;
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uintptr r14;
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uintptr r15;
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/*
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// XXX: currently do not save vector registers or floating-point state
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*/
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};
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struct ucontext
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{
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struct {
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void *ss_sp;
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uint ss_size;
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} uc_stack;
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sigset_t uc_sigmask;
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mcontext_t mc;
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};
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void makecontext(ucontext_t*, void(*)(void), int, ...);
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int swapcontext(ucontext_t*, ucontext_t*);
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int libthread_getmcontext(mcontext_t*);
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void libthread_setmcontext(mcontext_t*);
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