add signal handling and traceback support therein.
factor the runtime into architecture-dependent and -independent pieces.
ditto for the OS dependence.
SVN=124020
diff --git a/src/runtime/runtime.h b/src/runtime/runtime.h
index 898c7b4..fa9395f 100644
--- a/src/runtime/runtime.h
+++ b/src/runtime/runtime.h
@@ -88,6 +88,12 @@
void mcpy(byte*, byte*, uint32);
void* mal(uint32);
uint32 cmpstring(string, string);
+void initsig(void);
+void traceback(uint8 *pc, uint8 *sp);
+struct SigTab {
+ int32 catch;
+ int8 *name;
+};
/*
* low level go -called
@@ -98,6 +104,8 @@
uint8* sys_mmap(byte*, uint32, int32, int32, int32, uint32);
void sys_memclr(byte*, uint32);
void* sys_getcallerpc(void*);
+void sys_sigaction(int64, void*, void*);
+void sys_rt_sigaction(int64, void*, void*, uint64);
/*
* runtime go-called