diff options
Diffstat (limited to 'src/pkg/runtime/windows/thread.c')
| -rw-r--r-- | src/pkg/runtime/windows/thread.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/src/pkg/runtime/windows/thread.c b/src/pkg/runtime/windows/thread.c index 4ab043e88..e08d1b6f0 100644 --- a/src/pkg/runtime/windows/thread.c +++ b/src/pkg/runtime/windows/thread.c @@ -347,16 +347,26 @@ static Callbacks cbs; byte * runtime·compilecallback(Eface fn, bool cleanstack) { - Func *f; - int32 argsize, n; + FuncType *ft; + Type *t; + int32 argsize, i, n; byte *p; Callback *c; - if(fn.type->kind != KindFunc) - runtime·panicstring("not a function"); - if((f = runtime·findfunc((uintptr)fn.data)) == nil) - runtime·throw("cannot find function"); - argsize = (f->args-2) * 4; + if(fn.type == nil || fn.type->kind != KindFunc) + runtime·panicstring("compilecallback: not a function"); + ft = (FuncType*)fn.type; + if(ft->out.len != 1) + runtime·panicstring("compilecallback: function must have one output parameter"); + if(((Type**)ft->out.array)[0]->size != sizeof(uintptr)) + runtime·panicstring("compilecallback: output parameter size is wrong"); + argsize = 0; + for(i=0; i<ft->in.len; i++) { + t = ((Type**)ft->in.array)[i]; + if(t->size != sizeof(uintptr)) + runtime·panicstring("compilecallback: input parameter size is wrong"); + argsize += t->size; + } // compute size of new fn. // must match code laid out below. |