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--- arch/x86-freebsd/coro.c Fri Jun 23 00:15:18 2000
+++ arch/x86-freebsd/coro.c Fri Jun 23 00:16:38 2000
@@ -53,6 +53,8 @@
co_create(void *func, void *stack, int size)
{
struct coroutine *co;
+ intptr_t _co;
+ void **sp;
int to_free = 0;
if (size < 128)
@@ -63,14 +65,15 @@
size += 4096-1;
size &= ~(4096-1);
stack = mmap(0, size, PROT_READ|PROT_WRITE,
- MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
+ MAP_PRIVATE|MAP_ANON, -1, 0);
if (stack == (void*)-1)
return 0;
to_free = size;
}
co = stack + size;
- (unsigned long)co &= ~3;
+ _co = (intptr_t)co & ~3;
+ co = (struct coroutine *)_co;
co -= 1;
co->sp = co;
@@ -80,11 +83,13 @@
co->func = func;
co->to_free = to_free;
- *--(void **)co->sp = wrap; // return addr (here: start addr)
- *--(void **)co->sp = 0; // ebp
- *--(void **)co->sp = 0; // ebx
- *--(void **)co->sp = 0; // esi
- *--(void **)co->sp = 0; // edi
+ sp = (void **)co->sp;
+
+ *--sp = wrap; // return addr (here: start addr)
+ *--sp = 0; // ebp
+ *--sp = 0; // ebx
+ *--sp = 0; // esi
+ *--sp = 0; // edi
return co;
}
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