1 files changed, 0 insertions, 63 deletions
diff --git a/src/pkg/runtime/traceback_windows.go b/src/pkg/runtime/traceback_windows.go
deleted file mode 100644
index 89dc1336e..000000000
--- a/src/pkg/runtime/traceback_windows.go
+++ /dev/null
@@ -1,63 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package runtime
-
-import "unsafe"
-
-// sigtrampPC is the PC at the beginning of the jmpdefer assembly function.
-// The traceback needs to recognize it on link register architectures.
-var sigtrampPC uintptr
-
-func sigtramp()
-
-func init() {
-	sigtrampPC = funcPC(sigtramp)
-	systraceback = traceback_windows
-}
-
-func traceback_windows(f *_func, frame *stkframe, gp *g, printing bool, callback func(*stkframe, unsafe.Pointer) bool, v unsafe.Pointer) (changed, aborted bool) {
-	// The main traceback thinks it has found a function. Check this.
-
-	// Windows exception handlers run on the actual g stack (there is room
-	// dedicated to this below the usual "bottom of stack"), not on a separate
-	// stack. As a result, we have to be able to unwind past the exception
-	// handler when called to unwind during stack growth inside the handler.
-	// Recognize the frame at the call to sighandler in sigtramp and unwind
-	// using the context argument passed to the call. This is awful.
-	if f != nil && f.entry == sigtrampPC && frame.pc > f.entry {
-		var r *context
-		// Invoke callback so that stack copier sees an uncopyable frame.
-		if callback != nil {
-			frame.continpc = frame.pc
-			frame.argp = 0
-			frame.arglen = 0
-			if !callback(frame, v) {
-				aborted = true
-				return
-			}
-		}
-		r = (*context)(unsafe.Pointer(frame.sp + ptrSize))
-		frame.pc = contextPC(r)
-		frame.sp = contextSP(r)
-		frame.lr = 0
-		frame.fp = 0
-		frame.fn = nil
-		if printing && showframe(nil, gp) {
-			print("----- exception handler -----\n")
-		}
-		f = findfunc(frame.pc)
-		if f == nil {
-			print("runtime: unknown pc ", hex(frame.pc), " after exception handler\n")
-			if callback != nil {
-				gothrow("unknown pc")
-			}
-		}
-		frame.fn = f
-		changed = true
-		return
-	}
-
-	return
-}