runtime: stack growth adjustments, cleanup
* keep coherent SP/PC in gobuf
(i.e., SP that would be in use at that PC)
* gogocall replaces setspgoto,
should work better in presence of link registers
* delete unused system calls
only amd64; 386 is now broken
R=r
DELTA=548 (183 added, 183 deleted, 182 changed)
OCL=30381
CL=30442
diff --git a/src/pkg/runtime/Makefile b/src/pkg/runtime/Makefile
index cd0bdaa..498bf0b 100644
--- a/src/pkg/runtime/Makefile
+++ b/src/pkg/runtime/Makefile
@@ -75,6 +75,7 @@
runtime.h\
hashmap.h\
malloc.h\
+ $(GOARCH)/asm.h\
$(GOOS)/os.h\
$(GOOS)/$(GOARCH)/defs.h\