[deliverable/binutils-gdb.git] / gas / config / tc-ia64.h

/* tc-ia64.h -- Header file for tc-ia64.c.
   Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>

   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.  */

#include "opcode/ia64.h"
#include "elf/ia64.h"

#define TC_IA64

/* Linux is little endian by default.  HPUX is big endian by default.  */
#ifdef TE_HPUX
#define md_number_to_chars		number_to_chars_bigendian
#define TARGET_BYTES_BIG_ENDIAN		1
#define MD_FLAGS_DEFAULT		EF_IA_64_BE
#else
#define md_number_to_chars		number_to_chars_littleendian
#define TARGET_BYTES_BIG_ENDIAN		0
#define MD_FLAGS_DEFAULT		EF_IA_64_ABI64
#endif /* TE_HPUX */

/* We need to set the default object file format in ia64_init and not in
   md_begin.  This is because parse_args is called before md_begin, and we
   do not want md_begin to wipe out the flag settings set by options parsed in
   md_parse_args.  */

#define HOST_SPECIAL_INIT ia64_init
extern void ia64_init PARAMS ((int, char **));

#define TARGET_FORMAT ia64_target_format()
extern const char *ia64_target_format PARAMS ((void));

#define TARGET_ARCH			bfd_arch_ia64
#define DOUBLESLASH_LINE_COMMENTS	/* allow //-style comments */

#define NEED_LITERAL_POOL		/* need gp literal pool */
#define RELOC_REQUIRES_SYMBOL
#define DIFF_EXPR_OK   /* foo-. gets turned into PC relative relocs */
#define NEED_INDEX_OPERATOR		/* [ ] is index operator */

#define QUOTES_IN_INSN			/* allow `string "foo;bar"' */
#define LEX_AT		LEX_NAME	/* allow `@' inside name */
#define LEX_QM		LEX_NAME	/* allow `?' inside name */
#define LEX_HASH	LEX_END_NAME	/* allow `#' ending a name */

struct ia64_fix
  {
    int bigendian;			/* byte order at fix location */
    enum ia64_opnd opnd;
  };

extern void ia64_do_align PARAMS((int n));
extern void ia64_end_of_source PARAMS((void));
extern void ia64_start_line PARAMS((void));
extern int ia64_unrecognized_line PARAMS((int ch));
extern void ia64_frob_label PARAMS((struct symbol *sym));
extern void ia64_flush_pending_output PARAMS((void));
extern int ia64_parse_name (char *name, expressionS *e);
extern int ia64_optimize_expr PARAMS((expressionS *l, operatorT op,
				      expressionS *r));
extern void ia64_cons_align PARAMS((int));
extern void ia64_flush_insns PARAMS((void));
extern int ia64_fix_adjustable PARAMS((struct fix *fix));
extern int ia64_force_relocation PARAMS((struct fix *));
extern void ia64_cons_fix_new PARAMS ((fragS *f, int where, int nbytes,
				       expressionS *exp));
extern void ia64_validate_fix PARAMS ((struct fix *fix));
extern char * ia64_canonicalize_symbol_name PARAMS ((char *));
extern int ia64_elf_section_letter PARAMS ((int, char **));
extern flagword ia64_elf_section_flags PARAMS ((flagword, int, int));
extern int ia64_elf_section_type PARAMS ((const char *, size_t len));
extern long ia64_pcrel_from_section PARAMS ((struct fix *fix, segT sec));
extern void ia64_md_do_align PARAMS ((int, const char *, int, int));
extern void ia64_handle_align PARAMS ((fragS *f));
extern void ia64_after_parse_args PARAMS ((void));

#define md_end()       			ia64_end_of_source ()
#define md_start_line_hook()		ia64_start_line ()
#define tc_unrecognized_line(ch)	ia64_unrecognized_line (ch)
#define tc_frob_label(s)		ia64_frob_label (s)
#define md_flush_pending_output()	ia64_flush_pending_output ()
#define md_parse_name(s,e,c)		ia64_parse_name (s, e)
#define tc_canonicalize_symbol_name(s)	ia64_canonicalize_symbol_name (s)
#define md_optimize_expr(l,o,r)		ia64_optimize_expr (l, o, r)
#define md_cons_align(n)		ia64_cons_align (n)
#define TC_FORCE_RELOCATION(f)		ia64_force_relocation (f)
#define tc_fix_adjustable(f)		ia64_fix_adjustable (f)
#define md_convert_frag(b,s,f)		as_fatal ("ia64_convert_frag")
#define md_create_long_jump(p,f,t,fr,s)	as_fatal ("ia64_create_long_jump")
#define md_create_short_jump(p,f,t,fr,s) \
					as_fatal ("ia64_create_short_jump")
#define md_estimate_size_before_relax(f,s) \
			(as_fatal ("ia64_estimate_size_before_relax"), 1)
#define md_elf_section_letter		ia64_elf_section_letter
#define md_elf_section_flags		ia64_elf_section_flags
#define TC_FIX_TYPE			struct ia64_fix
#define TC_INIT_FIX_DATA(f)		{ f->tc_fix_data.opnd = 0; }
#define TC_CONS_FIX_NEW(f,o,l,e)	ia64_cons_fix_new (f, o, l, e)
#define TC_VALIDATE_FIX(fix,seg,skip)	ia64_validate_fix (fix)
#define MD_PCREL_FROM_SECTION(fix,sec)	ia64_pcrel_from_section (fix, sec)
#define md_do_align(n,f,l,m,j)		ia64_md_do_align (n,f,l,m)
#define HANDLE_ALIGN(f)			ia64_handle_align (f)
#define md_elf_section_type(str,len)	ia64_elf_section_type (str, len)
#define md_after_parse_args()		ia64_after_parse_args ()

#define MAX_MEM_FOR_RS_ALIGN_CODE  (15 + 16)

#define WORKING_DOT_WORD	/* don't do broken word processing for now */

#define ELF_TC_SPECIAL_SECTIONS						   \
{ ".sbss",	SHT_NOBITS,	SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT }, \
{ ".sdata",	SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },

#define DWARF2_LINE_MIN_INSN_LENGTH 1	/* so slot-multipliers can be 1 */

/* This is the information required for unwind records in an ia64
   object file. This is required by GAS and the compiler runtime.  */

/* These are the starting point masks for the various types of
   unwind records. To create a record of type R3 for instance, one
   starts by using the value UNW_R3 and or-ing in any other required values.
   These values are also unique (in context), so they can be used to identify
   the various record types as well. UNW_Bx and some UNW_Px do have the
   same value, but Px can only occur in a prologue context, and Bx in
   a body context.  */

#define UNW_R1	0x00
#define UNW_R2	0x40
#define UNW_R3	0x60
#define UNW_P1	0x80
#define UNW_P2	0xA0
#define UNW_P3	0xB0
#define UNW_P4	0xB8
#define UNW_P5	0xB9
#define UNW_P6	0xC0
#define UNW_P7	0xE0
#define UNW_P8	0xF0
#define UNW_P9	0xF1
#define UNW_P10	0xFF
#define UNW_X1	0xF9
#define UNW_X2	0xFA
#define UNW_X3	0xFB
#define UNW_X4	0xFC
#define UNW_B1	0x80
#define UNW_B2	0xC0
#define UNW_B3	0xE0
#define UNW_B4	0xF0

/* These are all the various types of unwind records.  */

typedef enum
{
  prologue, prologue_gr, body, mem_stack_f, mem_stack_v, psp_gr, psp_sprel,
  rp_when, rp_gr, rp_br, rp_psprel, rp_sprel, pfs_when, pfs_gr, pfs_psprel,
  pfs_sprel, preds_when, preds_gr, preds_psprel, preds_sprel,
  fr_mem, frgr_mem, gr_gr, gr_mem, br_mem, br_gr, spill_base, spill_mask,
  unat_when, unat_gr, unat_psprel, unat_sprel, lc_when, lc_gr, lc_psprel,
  lc_sprel, fpsr_when, fpsr_gr, fpsr_psprel, fpsr_sprel,
  priunat_when_gr, priunat_when_mem, priunat_gr, priunat_psprel,
  priunat_sprel, bsp_when, bsp_gr, bsp_psprel, bsp_sprel, bspstore_when,
  bspstore_gr, bspstore_psprel, bspstore_sprel, rnat_when, rnat_gr,
  rnat_psprel, rnat_sprel, epilogue, label_state, copy_state,
  spill_psprel, spill_sprel, spill_reg, spill_psprel_p, spill_sprel_p,
  spill_reg_p, unwabi
} unw_record_type;

/* These structures declare the fields that can be used in each of the
   4 record formats, R, P, B and X.  */

typedef struct unw_r_record
{
  unsigned long rlen;
  unsigned short grmask;
  unsigned short grsave;
  /* masks to represent the union of save.g, save.f, save.b, and
     save.gf: */
  unsigned long imask_size;
  struct
  {
    unsigned char *i;
    unsigned long fr_mem;
    unsigned char gr_mem;
    unsigned char br_mem;
  } mask;
} unw_r_record;

typedef struct unw_p_record
{
  void *imask;
  unsigned long t;
  unsigned long size;
  unsigned long spoff;
  unsigned long br;
  unsigned long pspoff;
  unsigned short gr;
  unsigned short rmask;
  unsigned short grmask;
  unsigned long frmask;
  unsigned short brmask;
  unsigned char abi;
  unsigned char context;
} unw_p_record;

typedef struct unw_b_record
{
  unsigned long t;
  unsigned long label;
  unsigned short ecount;
} unw_b_record;

typedef struct unw_x_record
{
  unsigned long t;
  unsigned long spoff;
  unsigned long pspoff;
  unsigned short reg;
  unsigned short treg;
  unsigned short qp;
  unsigned short ab;	/* Value of the AB field..  */
  unsigned short xy;	/* Value of the XY field..  */
} unw_x_record;

/* This structure is used to determine the specific record type and
   its fields.  */
typedef struct unwind_record
{
  unw_record_type type;
  union {
    unw_r_record r;
    unw_p_record p;
    unw_b_record b;
    unw_x_record x;
  } record;
} unwind_record;

/* This expression evaluates to false if the relocation is for a local
   object for which we still want to do the relocation at runtime.
   True if we are willing to perform this relocation while building
   the .o file.  This is only used for pcrel relocations.  */

/* If the reloc type is BFD_RELOC_UNUSED, then this is for a TAG13/TAG13b field
   which has no external reloc, so we must resolve the value now.  */

#define TC_RELOC_RTSYM_LOC_FIXUP(FIX)				\
  ((FIX)->fx_addsy == NULL					\
   || (FIX)->fx_r_type == BFD_RELOC_UNUSED			\
   || (! S_IS_EXTERNAL ((FIX)->fx_addsy)			\
       && ! S_IS_WEAK ((FIX)->fx_addsy)				\
       && S_IS_DEFINED ((FIX)->fx_addsy)			\
       && ! S_IS_COMMON ((FIX)->fx_addsy)))
Commit	Line	Data
800eeca4	1	/* tc-ia64.h -- Header file for tc-ia64.c.
1cd8ff38	2	Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
800eeca4 JW	3	Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
	4
	5	This file is part of GAS, the GNU Assembler.
	6
	7	GAS is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 2, or (at your option)
	10	any later version.
	11
	12	GAS is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with GAS; see the file COPYING. If not, write to
	19	the Free Software Foundation, 59 Temple Place - Suite 330,
4a4f25cf	20	Boston, MA 02111-1307, USA. */
800eeca4	21
29589b0c AM	22	#include "opcode/ia64.h"
29589b0c AM	23	#include "elf/ia64.h"
800eeca4 JW	24
	25	#define TC_IA64
	26
44f5c83a JW	27	/* Linux is little endian by default. HPUX is big endian by default. */
	28	#ifdef TE_HPUX
	29	#define md_number_to_chars number_to_chars_bigendian
	30	#define TARGET_BYTES_BIG_ENDIAN 1
1cd8ff38	31	#define MD_FLAGS_DEFAULT EF_IA_64_BE
44f5c83a JW	32	#else
	33	#define md_number_to_chars number_to_chars_littleendian
	34	#define TARGET_BYTES_BIG_ENDIAN 0
1cd8ff38	35	#define MD_FLAGS_DEFAULT EF_IA_64_ABI64
44f5c83a JW	36	#endif /* TE_HPUX */
	37
	38	/* We need to set the default object file format in ia64_init and not in
	39	md_begin. This is because parse_args is called before md_begin, and we
	40	do not want md_begin to wipe out the flag settings set by options parsed in
	41	md_parse_args. */
	42
	43	#define HOST_SPECIAL_INIT ia64_init
514829c3	44	extern void ia64_init PARAMS ((int, char **));
44f5c83a JW	45
	46	#define TARGET_FORMAT ia64_target_format()
	47	extern const char *ia64_target_format PARAMS ((void));
800eeca4 JW	48
800eeca4 JW	49	#define TARGET_ARCH bfd_arch_ia64
800eeca4	50	#define DOUBLESLASH_LINE_COMMENTS /* allow //-style comments */
800eeca4 JW	51
	52	#define NEED_LITERAL_POOL /* need gp literal pool */
	53	#define RELOC_REQUIRES_SYMBOL
	54	#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */
	55	#define NEED_INDEX_OPERATOR /* [ ] is index operator */
	56
	57	#define QUOTES_IN_INSN /* allow `string "foo;bar"' */
	58	#define LEX_AT LEX_NAME /* allow `@' inside name */
	59	#define LEX_QM LEX_NAME /* allow `?' inside name */
	60	#define LEX_HASH LEX_END_NAME /* allow `#' ending a name */
	61
	62	struct ia64_fix
	63	{
	64	int bigendian; /* byte order at fix location */
	65	enum ia64_opnd opnd;
	66	};
	67
	68	extern void ia64_do_align PARAMS((int n));
	69	extern void ia64_end_of_source PARAMS((void));
	70	extern void ia64_start_line PARAMS((void));
	71	extern int ia64_unrecognized_line PARAMS((int ch));
	72	extern void ia64_frob_label PARAMS((struct symbol *sym));
	73	extern void ia64_flush_pending_output PARAMS((void));
	74	extern int ia64_parse_name (char name, expressionS e);
	75	extern int ia64_optimize_expr PARAMS((expressionS *l, operatorT op,
	76	expressionS *r));
	77	extern void ia64_cons_align PARAMS((int));
	78	extern void ia64_flush_insns PARAMS((void));
	79	extern int ia64_fix_adjustable PARAMS((struct fix *fix));
	80	extern int ia64_force_relocation PARAMS((struct fix *));
	81	extern void ia64_cons_fix_new PARAMS ((fragS *f, int where, int nbytes,
	82	expressionS *exp));
	83	extern void ia64_validate_fix PARAMS ((struct fix *fix));
	84	extern char * ia64_canonicalize_symbol_name PARAMS ((char *));
d61a78a7	85	extern int ia64_elf_section_letter PARAMS ((int, char **));
800eeca4	86	extern flagword ia64_elf_section_flags PARAMS ((flagword, int, int));
91a2ae2a	87	extern int ia64_elf_section_type PARAMS ((const char *, size_t len));
800eeca4	88	extern long ia64_pcrel_from_section PARAMS ((struct fix *fix, segT sec));
0a9ef439 RH	89	extern void ia64_md_do_align PARAMS ((int, const char *, int, int));
0a9ef439 RH	90	extern void ia64_handle_align PARAMS ((fragS *f));
acebd4ce	91	extern void ia64_after_parse_args PARAMS ((void));
800eeca4 JW	92
	93	#define md_end() ia64_end_of_source ()
	94	#define md_start_line_hook() ia64_start_line ()
	95	#define tc_unrecognized_line(ch) ia64_unrecognized_line (ch)
	96	#define tc_frob_label(s) ia64_frob_label (s)
	97	#define md_flush_pending_output() ia64_flush_pending_output ()
a8a22e33	98	#define md_parse_name(s,e,c) ia64_parse_name (s, e)
800eeca4 JW	99	#define tc_canonicalize_symbol_name(s) ia64_canonicalize_symbol_name (s)
	100	#define md_optimize_expr(l,o,r) ia64_optimize_expr (l, o, r)
	101	#define md_cons_align(n) ia64_cons_align (n)
	102	#define TC_FORCE_RELOCATION(f) ia64_force_relocation (f)
	103	#define tc_fix_adjustable(f) ia64_fix_adjustable (f)
	104	#define md_convert_frag(b,s,f) as_fatal ("ia64_convert_frag")
07726851	105	#define md_create_long_jump(p,f,t,fr,s) as_fatal ("ia64_create_long_jump")
800eeca4	106	#define md_create_short_jump(p,f,t,fr,s) \
07726851	107	as_fatal ("ia64_create_short_jump")
800eeca4 JW	108	#define md_estimate_size_before_relax(f,s) \
800eeca4 JW	109	(as_fatal ("ia64_estimate_size_before_relax"), 1)
d61a78a7	110	#define md_elf_section_letter ia64_elf_section_letter
800eeca4 JW	111	#define md_elf_section_flags ia64_elf_section_flags
	112	#define TC_FIX_TYPE struct ia64_fix
	113	#define TC_INIT_FIX_DATA(f) { f->tc_fix_data.opnd = 0; }
	114	#define TC_CONS_FIX_NEW(f,o,l,e) ia64_cons_fix_new (f, o, l, e)
	115	#define TC_VALIDATE_FIX(fix,seg,skip) ia64_validate_fix (fix)
	116	#define MD_PCREL_FROM_SECTION(fix,sec) ia64_pcrel_from_section (fix, sec)
0a9ef439 RH	117	#define md_do_align(n,f,l,m,j) ia64_md_do_align (n,f,l,m)
0a9ef439 RH	118	#define HANDLE_ALIGN(f) ia64_handle_align (f)
91a2ae2a	119	#define md_elf_section_type(str,len) ia64_elf_section_type (str, len)
acebd4ce	120	#define md_after_parse_args() ia64_after_parse_args ()
0a9ef439 RH	121
0a9ef439 RH	122	#define MAX_MEM_FOR_RS_ALIGN_CODE (15 + 16)
800eeca4	123
800eeca4 JW	124	#define WORKING_DOT_WORD /* don't do broken word processing for now */
	125
	126	#define ELF_TC_SPECIAL_SECTIONS \
	127	{ ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT }, \
91a2ae2a	128	{ ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
800eeca4 JW	129
	130	#define DWARF2_LINE_MIN_INSN_LENGTH 1 /* so slot-multipliers can be 1 */
	131
	132	/* This is the information required for unwind records in an ia64
4a4f25cf	133	object file. This is required by GAS and the compiler runtime. */
800eeca4 JW	134
	135	/* These are the starting point masks for the various types of
	136	unwind records. To create a record of type R3 for instance, one
4a4f25cf KH	137	starts by using the value UNW_R3 and or-ing in any other required values.
4a4f25cf KH	138	These values are also unique (in context), so they can be used to identify
800eeca4 JW	139	the various record types as well. UNW_Bx and some UNW_Px do have the
	140	same value, but Px can only occur in a prologue context, and Bx in
	141	a body context. */
	142
	143	#define UNW_R1 0x00
	144	#define UNW_R2 0x40
	145	#define UNW_R3 0x60
	146	#define UNW_P1 0x80
	147	#define UNW_P2 0xA0
	148	#define UNW_P3 0xB0
	149	#define UNW_P4 0xB8
	150	#define UNW_P5 0xB9
	151	#define UNW_P6 0xC0
	152	#define UNW_P7 0xE0
	153	#define UNW_P8 0xF0
	154	#define UNW_P9 0xF1
	155	#define UNW_P10 0xFF
	156	#define UNW_X1 0xF9
	157	#define UNW_X2 0xFA
	158	#define UNW_X3 0xFB
	159	#define UNW_X4 0xFC
	160	#define UNW_B1 0x80
	161	#define UNW_B2 0xC0
	162	#define UNW_B3 0xE0
	163	#define UNW_B4 0xF0
	164
	165	/* These are all the various types of unwind records. */
	166
	167	typedef enum
	168	{
	169	prologue, prologue_gr, body, mem_stack_f, mem_stack_v, psp_gr, psp_sprel,
	170	rp_when, rp_gr, rp_br, rp_psprel, rp_sprel, pfs_when, pfs_gr, pfs_psprel,
	171	pfs_sprel, preds_when, preds_gr, preds_psprel, preds_sprel,
	172	fr_mem, frgr_mem, gr_gr, gr_mem, br_mem, br_gr, spill_base, spill_mask,
	173	unat_when, unat_gr, unat_psprel, unat_sprel, lc_when, lc_gr, lc_psprel,
4a4f25cf KH	174	lc_sprel, fpsr_when, fpsr_gr, fpsr_psprel, fpsr_sprel,
4a4f25cf KH	175	priunat_when_gr, priunat_when_mem, priunat_gr, priunat_psprel,
800eeca4 JW	176	priunat_sprel, bsp_when, bsp_gr, bsp_psprel, bsp_sprel, bspstore_when,
	177	bspstore_gr, bspstore_psprel, bspstore_sprel, rnat_when, rnat_gr,
	178	rnat_psprel, rnat_sprel, epilogue, label_state, copy_state,
	179	spill_psprel, spill_sprel, spill_reg, spill_psprel_p, spill_sprel_p,
e0c9811a	180	spill_reg_p, unwabi
800eeca4 JW	181	} unw_record_type;
800eeca4 JW	182
4a4f25cf	183	/* These structures declare the fields that can be used in each of the
800eeca4 JW	184	4 record formats, R, P, B and X. */
	185
	186	typedef struct unw_r_record
	187	{
	188	unsigned long rlen;
e0c9811a	189	unsigned short grmask;
800eeca4	190	unsigned short grsave;
e0c9811a JW	191	/* masks to represent the union of save.g, save.f, save.b, and
	192	save.gf: */
	193	unsigned long imask_size;
	194	struct
	195	{
	196	unsigned char *i;
	197	unsigned long fr_mem;
	198	unsigned char gr_mem;
	199	unsigned char br_mem;
	200	} mask;
800eeca4 JW	201	} unw_r_record;
	202
	203	typedef struct unw_p_record
	204	{
	205	void *imask;
	206	unsigned long t;
	207	unsigned long size;
	208	unsigned long spoff;
	209	unsigned long br;
	210	unsigned long pspoff;
	211	unsigned short gr;
	212	unsigned short rmask;
	213	unsigned short grmask;
	214	unsigned long frmask;
	215	unsigned short brmask;
e0c9811a JW	216	unsigned char abi;
e0c9811a JW	217	unsigned char context;
800eeca4 JW	218	} unw_p_record;
	219
	220	typedef struct unw_b_record
	221	{
	222	unsigned long t;
	223	unsigned long label;
	224	unsigned short ecount;
	225	} unw_b_record;
	226
	227	typedef struct unw_x_record
	228	{
	229	unsigned long t;
	230	unsigned long spoff;
	231	unsigned long pspoff;
	232	unsigned short reg;
	233	unsigned short treg;
	234	unsigned short qp;
e0c9811a JW	235	unsigned short ab; /* Value of the AB field.. */
e0c9811a JW	236	unsigned short xy; /* Value of the XY field.. */
800eeca4 JW	237	} unw_x_record;
800eeca4 JW	238
4a4f25cf	239	/* This structure is used to determine the specific record type and
800eeca4 JW	240	its fields. */
	241	typedef struct unwind_record
	242	{
	243	unw_record_type type;
	244	union {
	245	unw_r_record r;
	246	unw_p_record p;
	247	unw_b_record b;
	248	unw_x_record x;
	249	} record;
	250	} unwind_record;
85b40035	251
40449e9f	252	/* This expression evaluates to false if the relocation is for a local
85b40035 L	253	object for which we still want to do the relocation at runtime.
	254	True if we are willing to perform this relocation while building
	255	the .o file. This is only used for pcrel relocations. */
	256
fa1cb89c JW	257	/* If the reloc type is BFD_RELOC_UNUSED, then this is for a TAG13/TAG13b field
	258	which has no external reloc, so we must resolve the value now. */
	259
85b40035 L	260	#define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \
85b40035 L	261	((FIX)->fx_addsy == NULL \
fa1cb89c	262	\|\| (FIX)->fx_r_type == BFD_RELOC_UNUSED \
85b40035 L	263	\|\| (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
85b40035 L	264	&& ! S_IS_WEAK ((FIX)->fx_addsy) \
a99746f4	265	&& S_IS_DEFINED ((FIX)->fx_addsy) \
85b40035	266	&& ! S_IS_COMMON ((FIX)->fx_addsy)))