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|
;;; ld-script.el --- GNU linker script editing mode for Emacs
;; Copyright (C) 2003, 2005 Free Software Foundation, Inc.
;; Author: Masatake YAMATO<jet@gyve.org>
;; Keywords: languages, faces
;; This file is part of GNU Emacs.
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; Major mode for editing GNU linker (ld) scripts.
;;; Code:
;; Custom
(defgroup ld-script nil
"GNU linker script code editing commands for Emacs."
:prefix "ld-script-"
:group 'languages)
(defvar ld-script-location-counter-face 'ld-script-location-counter)
(defface ld-script-location-counter
'((t (:weight bold :inherit font-lock-builtin-face)))
"Face for location counter in GNU ld script."
:group 'ld-script)
;; backward-compatibility alias
(put 'ld-script-location-counter-face 'face-alias 'ld-script-location-counter)
;; Syntax rules
(defvar ld-script-mode-syntax-table
(let ((st (make-syntax-table)))
(modify-syntax-entry ?\ "-" st)
(modify-syntax-entry ?{ "(}" st)
(modify-syntax-entry ?} "){" st)
(modify-syntax-entry ?\( "()" st)
(modify-syntax-entry ?\) ")(" st)
(modify-syntax-entry ?\[ "(]" st)
(modify-syntax-entry ?\] ")[" st)
(modify-syntax-entry ?_ "w" st)
(modify-syntax-entry ?. "_" st)
(modify-syntax-entry ?\\ "\\" st)
(modify-syntax-entry ?: "." st)
(modify-syntax-entry ?, "." st)
(modify-syntax-entry ?? "." st)
(modify-syntax-entry ?= "." st)
(modify-syntax-entry ?* ". 23" st)
(modify-syntax-entry ?/ ". 14" st)
(modify-syntax-entry ?+ "." st)
(modify-syntax-entry ?- "." st)
(modify-syntax-entry ?! "." st)
(modify-syntax-entry ?~ "." st)
(modify-syntax-entry ?% "." st)
(modify-syntax-entry ?< "." st)
(modify-syntax-entry ?> "." st)
(modify-syntax-entry ?& "." st)
(modify-syntax-entry ?| "." st)
(modify-syntax-entry ?\" "\"" st)
st)
"Syntax table used while in `ld-script-mode'.")
;; Font lock keywords
(defvar ld-script-keywords
'("ENTRY" "INCLUDE" "INPUT" "GROUP"
"OUTPUT" "SEARCH_DIR" "STARTUP"
"OUTPUT_FORMAT" "TARGET"
"ASSERT" "EXTERN" "FORCE_COMMON_ALLOCATION" "NOCROSSREFS" "OUTPUT_ARCH"
"PROVIDE"
"SECTIONS" "SORT" "COMMON" "KEEP"
"BYTE" "SHORT" "LONG" "QUAD" "SQAD"
"FILL"
"CREATE_OBJECT_SYMBOLS"
"CONSTRUCTORS"
"NOLOAD" "DSECT" "COPY" "INFO" "OVERLAY"
"AT"
"MEMORY"
"PHDRS" "FILEHDR" "FLAGS"
"PT_NULL" "PT_LOAD" "PT_DYNAMIC" "PT_INTERP" "PT_NONE" "PT_SHLIB" "PT_PHDR"
"VERSION")
"Keywords used of GNU ld script.")
(defvar ld-script-builtins
'("ABSOLUTE"
"ADDR"
"ALIGN"
"BLOCK"
"DEFINED"
"LOADADDR"
"MAX"
"MIN"
"NEXT"
"SIZEOF"
"SIZEOF_HEADERS"
"sizeof_headers")
"Builtin functions of GNU ld script.")
(defvar ld-script-font-lock-keywords
`((,(regexp-opt ld-script-keywords 'words)
1 font-lock-keyword-face)
(,(regexp-opt ld-script-builtins 'words)
1 font-lock-builtin-face)
("/DISCARD/" . font-lock-warning-face)
("##\\|#[^#\n]+$" . font-lock-preprocessor-face)
("\\W\\(\\.\\)\\W" 1 ld-script-location-counter-face)
)
"Default font-lock-keywords for `ld-script-mode'.")
;;;###autoload
(add-to-list 'auto-mode-alist '("\\.lds" . ld-script-mode))
;;;###autoload
(define-derived-mode ld-script-mode nil "LD-Script"
"A major mode to edit GNU ld script files"
(set (make-local-variable 'comment-start) "/* ")
(set (make-local-variable 'comment-end) " */")
(set (make-local-variable 'indent-line-function) #'indent-relative)
(set (make-local-variable 'font-lock-defaults) '(ld-script-font-lock-keywords nil)))
(provide 'ld-script)
;;; arch-tag: 83280b6b-e6fc-4d00-a630-922d7aec5593
;;; ld-script.el ends here
|
