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136 lines
4.2 KiB
EmacsLisp
136 lines
4.2 KiB
EmacsLisp
;;; ld-script.el --- GNU linker script editing mode for Emacs
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;; Copyright (C) 2003 Free Software Foundation, Inc.
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;; Author: Masatake YAMATO<jet@gyve.org>
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;; Keywords: languages, faces
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;; This file is part of GNU Emacs.
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;; Major mode for editing GNU linker (ld) scripts.
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;;; Code:
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;; Custom
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(defgroup ld-script nil
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"GNU linker script code editing commands for Emacs."
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:prefix "ld-script-"
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:group 'languages)
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(defvar ld-script-location-counter-face 'ld-script-location-counter-face)
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(defface ld-script-location-counter-face
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'((t (:weight bold :inherit font-lock-builtin-face)))
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"Face for location counter in GNU ld script."
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:group 'ld-script)
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;; Syntax rules
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(defvar ld-script-mode-syntax-table
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(let ((st (make-syntax-table)))
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(modify-syntax-entry ?\ "-" st)
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(modify-syntax-entry ?{ "(}" st)
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(modify-syntax-entry ?} "){" st)
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(modify-syntax-entry ?\( "()" st)
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(modify-syntax-entry ?\) ")(" st)
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(modify-syntax-entry ?\[ "(]" st)
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(modify-syntax-entry ?\] ")[" st)
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(modify-syntax-entry ?_ "w" st)
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(modify-syntax-entry ?. "_" st)
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(modify-syntax-entry ?\\ "\\" st)
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(modify-syntax-entry ?: "." st)
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(modify-syntax-entry ?, "." st)
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(modify-syntax-entry ?? "." st)
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(modify-syntax-entry ?= "." st)
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(modify-syntax-entry ?* ". 23" st)
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(modify-syntax-entry ?/ ". 14" st)
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(modify-syntax-entry ?+ "." st)
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(modify-syntax-entry ?- "." st)
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(modify-syntax-entry ?! "." st)
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(modify-syntax-entry ?~ "." st)
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(modify-syntax-entry ?% "." st)
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(modify-syntax-entry ?< "." st)
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(modify-syntax-entry ?> "." st)
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(modify-syntax-entry ?& "." st)
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(modify-syntax-entry ?| "." st)
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(modify-syntax-entry ?\" "\"" st)
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st)
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"Syntax table used while in `ld-script-mode'.")
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;; Font lock keywords
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(defvar ld-script-keywords
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'("ENTRY" "INCLUDE" "INPUT" "GROUP"
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"OUTPUT" "SEARCH_DIR" "STARTUP"
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"OUTPUT_FORMAT" "TARGET"
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"ASSERT" "EXTERN" "FORCE_COMMON_ALLOCATION" "NOCROSSREFS" "OUTPUT_ARCH"
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"PROVIDE"
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"SECTIONS" "SORT" "COMMON" "KEEP"
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"BYTE" "SHORT" "LONG" "QUAD" "SQAD"
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"FILL"
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"CREATE_OBJECT_SYMBOLS"
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"CONSTRUCTORS"
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"NOLOAD" "DSECT" "COPY" "INFO" "OVERLAY"
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"AT"
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"MEMORY"
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"PHDRS" "FILEHDR" "FLAGS"
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"PT_NULL" "PT_LOAD" "PT_DYNAMIC" "PT_INTERP" "PT_NONE" "PT_SHLIB" "PT_PHDR"
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"VERSION")
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"Keywords used of GNU ld script.")
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(defvar ld-script-builtins
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'("ABSOLUTE"
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"ADDR"
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"ALIGN"
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"BLOCK"
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"DEFINED"
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"LOADADDR"
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"MAX"
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"MIN"
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"NEXT"
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"SIZEOF"
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"SIZEOF_HEADERS"
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"sizeof_headers")
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"Builtin functions of GNU ld script.")
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(defvar ld-script-font-lock-keywords
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`((,(regexp-opt ld-script-keywords 'words)
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1 font-lock-keyword-face)
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(,(regexp-opt ld-script-builtins 'words)
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1 font-lock-builtin-face)
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("/DISCARD/" . font-lock-warning-face)
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("##\\|#[^#\n]+$" . font-lock-preprocessor-face)
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("\\W\\(\\.\\)\\W" 1 ld-script-location-counter-face)
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)
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"Default font-lock-keywords for `ld-script-mode'.")
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;;;###autoload
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(add-to-list 'auto-mode-alist '("\\.lds" . ld-script-mode))
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;;;###autoload
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(define-derived-mode ld-script-mode nil "LD-Script"
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"A major mode to edit GNU ld script files"
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(set (make-local-variable 'comment-start) "/* ")
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(set (make-local-variable 'comment-end) " */")
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(set (make-local-variable 'indent-line-function) #'indent-relative)
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(set (make-local-variable 'font-lock-defaults) '(ld-script-font-lock-keywords nil)))
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(provide 'ld-script)
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;;; arch-tag: 83280b6b-e6fc-4d00-a630-922d7aec5593
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;;; ld-script.el ends here
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