go-show-asm.el

;; Display the assembly generated by the Go compiler of the code at current line in an emacs buffer.
;;
;; Navigate to a line of go code, then M-x my/go-show-asm.
(defun my/go-show-asm ()
  (interactive)
  (let* ((p (buffer-file-name))
	 (out-b "*go-show-asm*")
	 (needle (concat p ":" (number-to-string (line-number-at-pos)))))
    (if (string-suffix-p ".go" p)
	(progn
	  (save-buffer)
	  (shell-command "go build -gcflags -S" nil out-b)
	  (switch-to-buffer-other-window out-b)
	  (beginning-of-buffer)
	  (isearch-forward nil t)
	  (isearch-yank-string needle))
      (message "Cannot operate on a not .go file."))))