(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)
(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'.")
(defvar ld-script-keywords
'(
"ENTRY"
"INCLUDE" "INPUT" "GROUP" "AS_NEEDED" "OUTPUT" "SEARCH_DIR" "STARTUP"
"OUTPUT_FORMAT" "TARGET"
"ASSERT" "EXTERN" "FORCE_COMMON_ALLOCATION"
"INHIBIT_COMMON_ALLOCATION" "NOCROSSREFS" "OUTPUT_ARCH"
"PROVIDE"
"PROVIDE_HIDDEN"
"SECTIONS"
"SORT" "SORT_BY_NAME" "SORT_BY_ALIGNMENT"
"COMMON"
"KEEP"
"BYTE" "SHORT" "LONG" "QUAD" "SQUAD" "FILL"
"CREATE_OBJECT_SYMBOLS" "CONSTRUCTORS"
"__CTOR_LIST__" "__CTOR_END__" "__DTOR_LIST__" "__DTOR_END__"
"NOLOAD" "DSECT" "COPY" "INFO" "OVERLAY"
"AT"
"SUBALIGN"
":PHDR"
"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"
"DATA_SEGMENT_ALIGN"
"DATA_SEGMENT_END"
"DATA_SEGMENT_RELRO_END"
"DEFINED"
"LENGTH" "len" "l"
"LOADADDR"
"MAX"
"MIN"
"NEXT"
"ORIGIN" "org" "o"
"SEGMENT_START"
"SIZEOF"
"SIZEOF_HEADERS"
"sizeof_headers")
"Builtin functions of GNU ld script.")
(defvar ld-script-font-lock-keywords
(append
`((,(regexp-opt ld-script-keywords 'words)
1 font-lock-keyword-face)
(,(regexp-opt ld-script-builtins 'words)
1 font-lock-builtin-face)
("/DISCARD/\\|EXCLUDE_FILE\\|:NONE" . font-lock-warning-face)
("\\W\\(\\.\\)\\W" 1 ld-script-location-counter-face)
)
cpp-font-lock-keywords)
"Default font-lock-keywords for `ld-script-mode'.")
(add-to-list 'auto-mode-alist '("\\.ld[si]?\\>" . ld-script-mode))
(add-to-list 'auto-mode-alist '("ld\\.?script\\>" . ld-script-mode))
(add-to-list 'auto-mode-alist '("\\.x[bdsru]?[cn]?\\'" . ld-script-mode))
(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 'font-lock-defaults)
'(ld-script-font-lock-keywords nil)))
(provide 'ld-script)