[deliverable/binutils-gdb.git] / gas / config / tc-tic4x.h

/* tc-tic4x.h -- Assemble for the Texas TMS320C[34]X.
   Copyright (C) 1997, 2002, 2003, 2005, 2007
   Free Software Foundation. Inc.
   
   Contributed by Michael P. Hayes (m.hayes@elec.canterbury.ac.nz)

   This file is part of GAS, the GNU Assembler.

   GAS 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 3, or (at your option)
   any later version.

   GAS 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 GAS; see the file COPYING.  If not, write to
   the Free Software Foundation, 51 Franklin Street - Fifth Floor,
   Boston, MA 02110-1301, USA.  */

#define TC_TIC4X
#define TIC4X

#define TARGET_ARCH bfd_arch_tic4x

#define WORKING_DOT_WORD

/* There are a number of different formats used for local labels.  gas
   expects local labels either of the form `10$:' or `n:', where n is
   a single digit.  When LOCAL_LABEL_DOLLARS is defined labels of the
   form `10$:' are expected.  When LOCAL_LABEL_FB is defined labels of
   the form `n:' are expected.  The latter are expected to be referred
   to using `nf' for a forward reference of `nb' for a backward
   reference.

   The local labels expected by the TI tools are of the form `$n:',
   where the colon is optional.  Now the $ character is considered to
   be valid symbol name character, so gas doesn't recognise our local
   symbols by default.  Defining LEX_DOLLAR to be 1 means that gas
   won't allow labels starting with $ and thus the hook
   tc_unrecognized_line() will be called from read.c.  We can thus
   parse lines starting with $n as having local labels.

   The other problem is the forward reference of local labels.  If a
   symbol is undefined, symbol_make() calls the md_undefined_symbol()
   hook where we create a local label if recognised.  */

/* Don't stick labels starting with 'L' into symbol table of COFF file. */
#define LOCAL_LABEL(name) ((name)[0] == '$' || (name)[0] == 'L')

#define TARGET_BYTES_BIG_ENDIAN	0
#define OCTETS_PER_BYTE_POWER 	2

#define TARGET_ARCH		bfd_arch_tic4x

#define TIC_NOP_OPCODE		0x0c800000

#define reloc_type 		int

#define NO_RELOC 		0

/* '||' denotes parallel instruction */
#define DOUBLEBAR_PARALLEL      1

/* Labels are not required to have a colon for a suffix.  */
#define LABELS_WITHOUT_COLONS 	1

/* Use $ as the section program counter (SPC). */
#define DOLLAR_DOT

/* Accept numbers with a suffix, e.g. 0ffffh, 1010b.  */
#define NUMBERS_WITH_SUFFIX 	1

extern int tic4x_unrecognized_line PARAMS ((int));
#define tc_unrecognized_line(c) tic4x_unrecognized_line (c)

#define md_number_to_chars number_to_chars_littleendian

extern int tic4x_do_align PARAMS ((int, const char *, int, int));
#define md_do_align(n,fill,len,max,label) if( tic4x_do_align (n,fill,len,max) ) goto label;

/* Start of line hook to remove parallel instruction operator || */
extern void tic4x_start_line PARAMS ((void));
#define md_start_line_hook() tic4x_start_line()

extern void tic4x_cleanup PARAMS ((void));
#define md_cleanup() tic4x_cleanup()

extern void tic4x_end PARAMS ((void));
#define md_end() tic4x_end()
Commit	Line	Data
026df7c5	1	/* tc-tic4x.h -- Assemble for the Texas TMS320C[34]X.
ec2655a6 NC	2	Copyright (C) 1997, 2002, 2003, 2005, 2007
ec2655a6 NC	3	Free Software Foundation. Inc.
026df7c5 NC	4
	5	Contributed by Michael P. Hayes (m.hayes@elec.canterbury.ac.nz)
	6
	7	This file is part of GAS, the GNU Assembler.
	8
	9	GAS is free software; you can redistribute it and/or modify
	10	it under the terms of the GNU General Public License as published by
ec2655a6	11	the Free Software Foundation; either version 3, or (at your option)
026df7c5 NC	12	any later version.
	13
	14	GAS is distributed in the hope that it will be useful,
	15	but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	GNU General Public License for more details.
	18
	19	You should have received a copy of the GNU General Public License
	20	along with GAS; see the file COPYING. If not, write to
ec2655a6 NC	21	the Free Software Foundation, 51 Franklin Street - Fifth Floor,
ec2655a6 NC	22	Boston, MA 02110-1301, USA. */
026df7c5 NC	23
026df7c5 NC	24	#define TC_TIC4X
be33c5dd	25	#define TIC4X
026df7c5	26
026df7c5 NC	27	#define TARGET_ARCH bfd_arch_tic4x
	28
	29	#define WORKING_DOT_WORD
	30
	31	/* There are a number of different formats used for local labels. gas
	32	expects local labels either of the form `10$:' or `n:', where n is
	33	a single digit. When LOCAL_LABEL_DOLLARS is defined labels of the
	34	form `10$:' are expected. When LOCAL_LABEL_FB is defined labels of
	35	the form `n:' are expected. The latter are expected to be referred
	36	to using `nf' for a forward reference of `nb' for a backward
	37	reference.
	38
	39	The local labels expected by the TI tools are of the form `$n:',
	40	where the colon is optional. Now the $ character is considered to
	41	be valid symbol name character, so gas doesn't recognise our local
	42	symbols by default. Defining LEX_DOLLAR to be 1 means that gas
	43	won't allow labels starting with $ and thus the hook
	44	tc_unrecognized_line() will be called from read.c. We can thus
	45	parse lines starting with $n as having local labels.
	46
	47	The other problem is the forward reference of local labels. If a
	48	symbol is undefined, symbol_make() calls the md_undefined_symbol()
	49	hook where we create a local label if recognised. */
	50
	51	/* Don't stick labels starting with 'L' into symbol table of COFF file. */
	52	#define LOCAL_LABEL(name) ((name)[0] == '$' \|\| (name)[0] == 'L')
	53
	54	#define TARGET_BYTES_BIG_ENDIAN 0
	55	#define OCTETS_PER_BYTE_POWER 2
	56
	57	#define TARGET_ARCH bfd_arch_tic4x
026df7c5	58
f17c130b	59	#define TIC_NOP_OPCODE 0x0c800000
247b1fe6	60
026df7c5 NC	61	#define reloc_type int
	62
	63	#define NO_RELOC 0
	64
a1f3c24c SS	65	/* '\|\|' denotes parallel instruction */
	66	#define DOUBLEBAR_PARALLEL 1
	67
026df7c5 NC	68	/* Labels are not required to have a colon for a suffix. */
	69	#define LABELS_WITHOUT_COLONS 1
	70
	71	/* Use $ as the section program counter (SPC). */
	72	#define DOLLAR_DOT
	73
	74	/* Accept numbers with a suffix, e.g. 0ffffh, 1010b. */
	75	#define NUMBERS_WITH_SUFFIX 1
	76
be33c5dd SS	77	extern int tic4x_unrecognized_line PARAMS ((int));
be33c5dd SS	78	#define tc_unrecognized_line(c) tic4x_unrecognized_line (c)
026df7c5 NC	79
	80	#define md_number_to_chars number_to_chars_littleendian
	81
be33c5dd SS	82	extern int tic4x_do_align PARAMS ((int, const char *, int, int));
be33c5dd SS	83	#define md_do_align(n,fill,len,max,label) if( tic4x_do_align (n,fill,len,max) ) goto label;
026df7c5 NC	84
026df7c5 NC	85	/* Start of line hook to remove parallel instruction operator \|\| */
be33c5dd SS	86	extern void tic4x_start_line PARAMS ((void));
be33c5dd SS	87	#define md_start_line_hook() tic4x_start_line()
026df7c5	88
be33c5dd SS	89	extern void tic4x_cleanup PARAMS ((void));
be33c5dd SS	90	#define md_cleanup() tic4x_cleanup()
026df7c5	91
be33c5dd SS	92	extern void tic4x_end PARAMS ((void));
be33c5dd SS	93	#define md_end() tic4x_end()
026df7c5	94