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

/* This file is tc-arm.h
   Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
   Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
	Modified by David Taylor (dtaylor@armltd.co.uk)

   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 2, 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, 59 Temple Place - Suite 330, Boston, MA
   02111-1307, USA.  */

#define TC_ARM 1

#ifndef TARGET_BYTES_BIG_ENDIAN
#define TARGET_BYTES_BIG_ENDIAN 0
#endif

#define WORKING_DOT_WORD

#define COFF_MAGIC ARMMAGIC
#define TARGET_ARCH bfd_arch_arm

#define AOUT_MACHTYPE 0

#define DIFF_EXPR_OK

#ifdef  LITTLE_ENDIAN
#undef  LITTLE_ENDIAN
#endif
#ifdef  BIG_ENDIAN
#undef  BIG_ENDIAN
#endif

#define LITTLE_ENDIAN 1234
#define BIG_ENDIAN 4321

#ifdef OBJ_AOUT
#ifdef TE_RISCIX
#define TARGET_FORMAT "a.out-riscix"
#else
#define ARM_BI_ENDIAN
#define TARGET_FORMAT \
  (target_big_endian ? "a.out-arm-big" : "a.out-arm-little")
#endif
#endif

#ifdef OBJ_AIF
#define TARGET_FORMAT "aif"
#endif

#ifdef OBJ_COFF
# define ARM_BI_ENDIAN
  extern boolean arm_validate_fix ();
# define TC_VALIDATE_FIX(fixP,segType,Label) if (arm_validate_fix (fixP)) add_symbolP = fixP->fx_addsy
# ifdef TE_PE
#  define TC_FORCE_RELOCATION(x) ((x)->fx_r_type==BFD_RELOC_RVA)
#  define TARGET_FORMAT (target_big_endian ? "pe-arm-big" : "pe-arm-little")
# else
#  define TARGET_FORMAT (target_big_endian ? "coff-arm-big" : "coff-arm-little")
   /* Tell tc-arm.c to support runtime endian selection.  */
# endif
#endif

#ifdef OBJ_ELF
#define TC_FORCE_RELOCATION(fixp) elf32_arm_force_relocation(fixp)
extern int elf32_arm_force_relocation PARAMS ((struct fix *));
#endif

#ifdef OBJ_ELF
extern boolean arm_validate_fix ();
#define TC_VALIDATE_FIX(fixP,segType,Label) if (arm_validate_fix (fixP)) add_symbolP = fixP->fx_addsy
#define ARM_BI_ENDIAN
#define TARGET_FORMAT elf32_arm_target_format()
extern const char *elf32_arm_target_format PARAMS ((void));
#endif

#define md_convert_frag(b,s,f)		{as_fatal (_("arm convert_frag\n"));}

extern void arm_cleanup PARAMS ((void));
extern void arm_start_line_hook PARAMS ((void));
extern void arm_frob_label PARAMS ((struct symbol *));
#define md_cleanup() arm_cleanup ()
#define md_start_line_hook() arm_start_line_hook ()
#define tc_frob_label(S) arm_frob_label (S)
/* We also need to mark assembler created symbols:  */
#define tc_frob_fake_label(S) arm_frob_label (S)
/* NOTE: The fake label creation in stabs.c:s_stab_generic() has
   deliberately not been updated to mark assembler created stabs
   symbols as Thumb.  */

#ifdef OBJ_ELF
#define obj_fix_adjustable(fixP) arm_fix_adjustable(fixP)
#else
#define obj_fix_adjustable(fixP) 0
#endif

/* We need to keep some local information on symbols.  */

#define TC_SYMFIELD_TYPE unsigned int
#define ARM_GET_FLAG(s)   	((s)->sy_tc)
#define ARM_SET_FLAG(s,v) 	((s)->sy_tc |= (v))
#define ARM_RESET_FLAG(s,v) 	((s)->sy_tc &= ~(v))

#define ARM_FLAG_THUMB 		(1 << 0)	/* The symbol is a Thumb symbol rather than an Arm symbol.  */
#define ARM_FLAG_INTERWORK 	(1 << 1)	/* The symbol is attached to code that suppports interworking.  */
#define THUMB_FLAG_FUNC		(1 << 2)	/* The symbol is attached to the start of a Thumb function.  */

#define ARM_IS_THUMB(s)		(ARM_GET_FLAG (s) & ARM_FLAG_THUMB)
#define ARM_IS_INTERWORK(s)	(ARM_GET_FLAG (s) & ARM_FLAG_INTERWORK)
#define THUMB_IS_FUNC(s)	(ARM_GET_FLAG (s) & THUMB_FLAG_FUNC)

#define ARM_SET_THUMB(s,t)      ((t) ? ARM_SET_FLAG (s, ARM_FLAG_THUMB)     : ARM_RESET_FLAG (s, ARM_FLAG_THUMB))
#define ARM_SET_INTERWORK(s,t)  ((t) ? ARM_SET_FLAG (s, ARM_FLAG_INTERWORK) : ARM_RESET_FLAG (s, ARM_FLAG_INTERWORK))
#define THUMB_SET_FUNC(s,t)     ((t) ? ARM_SET_FLAG (s, THUMB_FLAG_FUNC)    : ARM_RESET_FLAG (s, THUMB_FLAG_FUNC))


#define TC_FIX_TYPE PTR
#define TC_INIT_FIX_DATA(FIXP) ((FIXP)->tc_fix_data = NULL)

#define TC_START_LABEL(C,STR) \
  (c == ':' || (c == '/' && arm_data_in_code ()))
int arm_data_in_code PARAMS ((void));

#define tc_canonicalize_symbol_name(str) \
  arm_canonicalize_symbol_name (str);
char *arm_canonicalize_symbol_name PARAMS ((char *));

#if 0	/* It isn't as simple as this */
#define tc_frob_symbol(sym,punt)	\
{	if (S_IS_LOCAL (sym))		\
	  {				\
	    punt = 1;			\
	    sym->sy_used_in_reloc = 0;	\
	  }}
#endif 

#ifdef OBJ_ELF
#define obj_frob_symbol(sym, punt)  armelf_frob_symbol (sym, punt)
#endif

/* Finish processing the entire symbol table:  */
#ifdef OBJ_ELF
#define obj_adjust_symtab() armelf_adjust_symtab ()
extern void armelf_adjust_symtab PARAMS ((void));
#else
#define obj_adjust_symtab() arm_adjust_symtab ()
extern void arm_adjust_symtab PARAMS ((void));
#endif

#if 0
#define tc_crawl_symbol_chain(a)	{;}	/* not used */
#define tc_headers_hook(a)		{;}	/* not used */
#endif

#define tc_aout_pre_write_hook(x)	{;}	/* not used */

#define LISTING_HEADER "ARM GAS "

#define OPTIONAL_REGISTER_PREFIX '%'

#define md_operand(x)

#define TC_HANDLES_FX_DONE

#define MD_APPLY_FIX3

#define LOCAL_LABEL(name) (name[0] == '.' \
                           && (name[1] == 'L'))
#define LOCAL_LABELS_FB  1

/* end of tc-arm.h */
Commit	Line	Data
305a3af6	1	/* This file is tc-arm.h
9ac8e451	2	Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
305a3af6 SC	3	Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
	4	Modified by David Taylor (dtaylor@armltd.co.uk)
	5
305a3af6 SC	6	This file is part of GAS, the GNU Assembler.
	7
	8	GAS is free software; you can redistribute it and/or modify
	9	it under the terms of the GNU General Public License as published by
	10	the Free Software Foundation; either version 2, or (at your option)
	11	any later version.
	12
	13	GAS is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
	17
	18	You should have received a copy of the GNU General Public License
23604921 ILT	19	along with GAS; see the file COPYING. If not, write to the Free
	20	Software Foundation, 59 Temple Place - Suite 330, Boston, MA
	21	02111-1307, USA. */
305a3af6 SC	22
	23	#define TC_ARM 1
	24
23604921 ILT	25	#ifndef TARGET_BYTES_BIG_ENDIAN
	26	#define TARGET_BYTES_BIG_ENDIAN 0
	27	#endif
	28
1667e4c2 CM	29	#define WORKING_DOT_WORD
1667e4c2 CM	30
305a3af6 SC	31	#define COFF_MAGIC ARMMAGIC
	32	#define TARGET_ARCH bfd_arch_arm
	33
	34	#define AOUT_MACHTYPE 0
	35
	36	#define DIFF_EXPR_OK
	37
f8a21443 NC	38	#ifdef LITTLE_ENDIAN
	39	#undef LITTLE_ENDIAN
	40	#endif
	41	#ifdef BIG_ENDIAN
	42	#undef BIG_ENDIAN
	43	#endif
	44
305a3af6 SC	45	#define LITTLE_ENDIAN 1234
	46	#define BIG_ENDIAN 4321
	47
305a3af6 SC	48	#ifdef OBJ_AOUT
	49	#ifdef TE_RISCIX
	50	#define TARGET_FORMAT "a.out-riscix"
	51	#else
1667e4c2 CM	52	#define ARM_BI_ENDIAN
	53	#define TARGET_FORMAT \
	54	(target_big_endian ? "a.out-arm-big" : "a.out-arm-little")
305a3af6 SC	55	#endif
	56	#endif
	57
	58	#ifdef OBJ_AIF
	59	#define TARGET_FORMAT "aif"
	60	#endif
	61
	62	#ifdef OBJ_COFF
1667e4c2 CM	63	# define ARM_BI_ENDIAN
	64	extern boolean arm_validate_fix ();
	65	# define TC_VALIDATE_FIX(fixP,segType,Label) if (arm_validate_fix (fixP)) add_symbolP = fixP->fx_addsy
	66	# ifdef TE_PE
	67	# define TC_FORCE_RELOCATION(x) ((x)->fx_r_type==BFD_RELOC_RVA)
	68	# define TARGET_FORMAT (target_big_endian ? "pe-arm-big" : "pe-arm-little")
	69	# else
	70	# define TARGET_FORMAT (target_big_endian ? "coff-arm-big" : "coff-arm-little")
	71	/* Tell tc-arm.c to support runtime endian selection. */
	72	# endif
305a3af6	73	#endif
1667e4c2	74
9ac8e451 CM	75	#ifdef OBJ_ELF
	76	#define TC_FORCE_RELOCATION(fixp) elf32_arm_force_relocation(fixp)
	77	extern int elf32_arm_force_relocation PARAMS ((struct fix *));
	78	#endif
	79
1667e4c2 CM	80	#ifdef OBJ_ELF
	81	extern boolean arm_validate_fix ();
	82	#define TC_VALIDATE_FIX(fixP,segType,Label) if (arm_validate_fix (fixP)) add_symbolP = fixP->fx_addsy
	83	#define ARM_BI_ENDIAN
9ac8e451 CM	84	#define TARGET_FORMAT elf32_arm_target_format()
9ac8e451 CM	85	extern const char *elf32_arm_target_format PARAMS ((void));
305a3af6 SC	86	#endif
305a3af6 SC	87
1667e4c2	88	#define md_convert_frag(b,s,f) {as_fatal (_("arm convert_frag\n"));}
305a3af6	89
1667e4c2 CM	90	extern void arm_cleanup PARAMS ((void));
	91	extern void arm_start_line_hook PARAMS ((void));
	92	extern void arm_frob_label PARAMS ((struct symbol *));
	93	#define md_cleanup() arm_cleanup ()
305a3af6	94	#define md_start_line_hook() arm_start_line_hook ()
f8a21443 NC	95	#define tc_frob_label(S) arm_frob_label (S)
	96	/* We also need to mark assembler created symbols: */
	97	#define tc_frob_fake_label(S) arm_frob_label (S)
	98	/* NOTE: The fake label creation in stabs.c:s_stab_generic() has
	99	deliberately not been updated to mark assembler created stabs
	100	symbols as Thumb. */
305a3af6	101
aae39e37 CM	102	#ifdef OBJ_ELF
	103	#define obj_fix_adjustable(fixP) arm_fix_adjustable(fixP)
	104	#else
305a3af6	105	#define obj_fix_adjustable(fixP) 0
aae39e37	106	#endif
305a3af6	107
1667e4c2 CM	108	/* We need to keep some local information on symbols. */
1667e4c2 CM	109
f8a21443	110	#define TC_SYMFIELD_TYPE unsigned int
1667e4c2 CM	111	#define ARM_GET_FLAG(s) ((s)->sy_tc)
	112	#define ARM_SET_FLAG(s,v) ((s)->sy_tc \|= (v))
	113	#define ARM_RESET_FLAG(s,v) ((s)->sy_tc &= ~(v))
	114
	115	#define ARM_FLAG_THUMB (1 << 0) /* The symbol is a Thumb symbol rather than an Arm symbol. */
	116	#define ARM_FLAG_INTERWORK (1 << 1) /* The symbol is attached to code that suppports interworking. */
	117	#define THUMB_FLAG_FUNC (1 << 2) /* The symbol is attached to the start of a Thumb function. */
	118
	119	#define ARM_IS_THUMB(s) (ARM_GET_FLAG (s) & ARM_FLAG_THUMB)
	120	#define ARM_IS_INTERWORK(s) (ARM_GET_FLAG (s) & ARM_FLAG_INTERWORK)
	121	#define THUMB_IS_FUNC(s) (ARM_GET_FLAG (s) & THUMB_FLAG_FUNC)
	122
	123	#define ARM_SET_THUMB(s,t) ((t) ? ARM_SET_FLAG (s, ARM_FLAG_THUMB) : ARM_RESET_FLAG (s, ARM_FLAG_THUMB))
	124	#define ARM_SET_INTERWORK(s,t) ((t) ? ARM_SET_FLAG (s, ARM_FLAG_INTERWORK) : ARM_RESET_FLAG (s, ARM_FLAG_INTERWORK))
	125	#define THUMB_SET_FUNC(s,t) ((t) ? ARM_SET_FLAG (s, THUMB_FLAG_FUNC) : ARM_RESET_FLAG (s, THUMB_FLAG_FUNC))
	126
f8a21443	127
af16e411 FF	128	#define TC_FIX_TYPE PTR
	129	#define TC_INIT_FIX_DATA(FIXP) ((FIXP)->tc_fix_data = NULL)
	130
	131	#define TC_START_LABEL(C,STR) \
	132	(c == ':' \|\| (c == '/' && arm_data_in_code ()))
	133	int arm_data_in_code PARAMS ((void));
	134
	135	#define tc_canonicalize_symbol_name(str) \
	136	arm_canonicalize_symbol_name (str);
	137	char arm_canonicalize_symbol_name PARAMS ((char ));
	138
305a3af6 SC	139	#if 0 /* It isn't as simple as this */
	140	#define tc_frob_symbol(sym,punt) \
	141	{ if (S_IS_LOCAL (sym)) \
	142	{ \
	143	punt = 1; \
	144	sym->sy_used_in_reloc = 0; \
	145	}}
	146	#endif
	147
aae39e37 CM	148	#ifdef OBJ_ELF
	149	#define obj_frob_symbol(sym, punt) armelf_frob_symbol (sym, punt)
	150	#endif
	151
f8a21443	152	/* Finish processing the entire symbol table: */
cdb3d5f9	153	#ifdef OBJ_ELF
9ac8e451	154	#define obj_adjust_symtab() armelf_adjust_symtab ()
cdb3d5f9 CM	155	extern void armelf_adjust_symtab PARAMS ((void));
cdb3d5f9 CM	156	#else
9ac8e451	157	#define obj_adjust_symtab() arm_adjust_symtab ()
f8a21443	158	extern void arm_adjust_symtab PARAMS ((void));
cdb3d5f9	159	#endif
f8a21443	160
305a3af6 SC	161	#if 0
	162	#define tc_crawl_symbol_chain(a) {;} /* not used */
	163	#define tc_headers_hook(a) {;} /* not used */
	164	#endif
	165
	166	#define tc_aout_pre_write_hook(x) {;} /* not used */
	167
	168	#define LISTING_HEADER "ARM GAS "
	169
	170	#define OPTIONAL_REGISTER_PREFIX '%'
	171
	172	#define md_operand(x)
	173
af16e411 FF	174	#define TC_HANDLES_FX_DONE
	175
	176	#define MD_APPLY_FIX3
	177
aae39e37 CM	178	#define LOCAL_LABEL(name) (name[0] == '.' \
aae39e37 CM	179	&& (name[1] == 'L'))
305a3af6 SC	180	#define LOCAL_LABELS_FB 1
305a3af6 SC	181
305a3af6	182	/* end of tc-arm.h */