diff options
Diffstat (limited to 'src/libthread/Darwin-ucontext.h')
| -rw-r--r-- | src/libthread/Darwin-ucontext.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/libthread/Darwin-ucontext.h b/src/libthread/Darwin-ucontext.h new file mode 100644 index 00000000..c7915ff8 --- /dev/null +++ b/src/libthread/Darwin-ucontext.h @@ -0,0 +1,24 @@ +typedef struct ucontext ucontext_t; +struct ucontext +{ + ulong pc; /* lr */ + ulong cr; /* mfcr */ + ulong ctr; /* mfcr */ + ulong xer; /* mfcr */ + ulong sp; /* callee saved: r1 */ + ulong toc; /* callee saved: r2 */ + ulong r3; /* first arg to function, return register: r3 */ + ulong gpr[19]; /* callee saved: r13-r31 */ +// XXX: currently do not save vector registers or floating-point state +// ulong pad; +// uvlong fpr[18]; /* callee saved: f14-f31 */ +// ulong vr[4*12]; /* callee saved: v20-v31, 256-bits each */ +}; + +void makecontext(ucontext_t*, void(*)(void), int, ...); +void getcontext(ucontext_t*); +int setcontext(ucontext_t*); +int swapcontext(ucontext_t*, ucontext_t*); +int __setlabel(ucontext_t*); +void __gotolabel(ucontext_t*); + |