Add support for ARM assembler produced by CodeCompositor Studio.

	* config/tc-arm.c (codecomposer_syntax): New flag that states whether the
	CCS syntax compatibility mode is on or off.
	(asmfunc_states): New enum to represent the asmfunc directive state.
	(asmfunc_state): New variable holding the asmfunc directive state.
	(comment_chars): Rename to arm_comment_chars.
	(line_separator_chars): Rename to arm_line_separator_chars.
	(s_ccs_ref): New function that handles the .ref directive.
	(asmfunc_debug): New function.
	(s_ccs_asmfunc): New function that handles the .asmfunc directive.
	(s_ccs_endasmfunc): New function that handles the .endasmfunc directive.
	(s_ccs_def): New function that handles the .def directive.
	(tc_start_label_without_colon): New function.
	(md_pseudo_table): Added new CCS directives.
	(arm_ccs_mode): New function that handles the -mccs command line option.
	(arm_long_opts): Added new -mccs command line option.
	* config/tc-arm.h (LABELS_WITHOUT_COLONS): New macro.
	(TC_START_LABEL_WITHOUT_COLON): New macro.
	(tc_start_label_without_colon): Added extern function declaration.
	(tc_comment_chars): Define.
	(tc_line_separator_chars): Define.
	* app.c (do_scrub_begin): Use tc_line_separator_chars, if defined.
	* read.c (read_begin): Likewise.
	* doc/as.texinfo: Add documentation for the -mccs command line
	option.
	* doc/c-arm.texi: Likewise.
	* doc/internals.texi: Document tc_line_separator_chars.
	* NEWS: Mention the new feature.

	* gas/arm/ccs.s: New test case.
	* gas/arm/ccs.d: New expected disassembly.

3 files changed, 15 insertions, 0 deletions

diff --git a/gas/doc/as.texinfo b/gas/doc/as.texinfo
index efeac93..5c8b000 100644
--- a/gas/doc/as.texinfo
+++ b/gas/doc/as.texinfo
@@ -848,6 +848,8 @@ Select either big-endian (-EB) or little-endian (-EL) output.
 @item -mthumb-interwork
 Specify that the code has been generated with interworking between Thumb and
 ARM code in mind.
+@item -mccs
+Turns on CodeComposer Studio assembly syntax compatibility mode.
 @item -k
 Specify that PIC code has been generated.
 @end table
diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi
index c79c43b..7bcce94 100644
--- a/gas/doc/c-arm.texi
+++ b/gas/doc/c-arm.texi
@@ -369,6 +369,10 @@ the linker option of the same name.
 Enable or disable warnings about using deprecated options or
 features.  The default is to warn.
 
+@cindex @code{-mccs} command line option, ARM
+@item -mccs
+Turns on CodeComposer Studio assembly syntax compatibility mode.
+
 @end table
 
 
diff --git a/gas/doc/internals.texi b/gas/doc/internals.texi
index d76c90e..76f812d 100644
--- a/gas/doc/internals.texi
+++ b/gas/doc/internals.texi
@@ -884,6 +884,8 @@ comment.
 @item tc_comment_chars
 @cindex tc_comment_chars
 If this macro is defined, GAS will use it instead of @code{comment_chars}.
+This has the advantage that this macro does not have to refer to a constant
+array.
 
 @item tc_symbol_chars
 @cindex tc_symbol_chars
@@ -908,6 +910,13 @@ listed in this array).  Note that line_separator_chars do not separate lines
 if found in a comment, such as after a character in line_comment_chars or
 comment_chars.
 
+@item tc_line_separator_chars
+@cindex tc_line_separator_chars
+If this macro is defined, GAS will use it instead of
+@code{line_separator_chars}.  This has the advantage that this macro does not
+have to refer to a constant array.
+
+
 @item EXP_CHARS
 @cindex EXP_CHARS
 This is a null terminated @code{const char} array of characters which may be