mirror of
https://github.com/0intro/libtask
synced 2024-11-22 05:41:53 +03:00
38 lines
945 B
C
38 lines
945 B
C
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#define setcontext(u) _setmcontext(&(u)->mc)
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#define getcontext(u) _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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ulong pc; /* lr */
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ulong cr; /* mfcr */
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ulong ctr; /* mfcr */
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ulong xer; /* mfcr */
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ulong sp; /* callee saved: r1 */
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ulong toc; /* callee saved: r2 */
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ulong r3; /* first arg to function, return register: r3 */
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ulong gpr[19]; /* callee saved: r13-r31 */
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/*
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// XXX: currently do not save vector registers or floating-point state
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// ulong pad;
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// uvlong fpr[18]; / * callee saved: f14-f31 * /
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// ulong vr[4*12]; / * callee saved: v20-v31, 256-bits each * /
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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*, const ucontext_t*);
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int _getmcontext(mcontext_t*);
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void _setmcontext(const mcontext_t*);
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