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

/* tc-ppc.h -- Header file for tc-ppc.c.
   Copyright (C) 1994, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
   Written by Ian Lance Taylor, Cygnus Support.

   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_PPC

#ifdef ANSI_PROTOTYPES
struct fix;
#endif

/* Set the endianness we are using.  Default to big endian.  */
#ifndef TARGET_BYTES_BIG_ENDIAN
#define TARGET_BYTES_BIG_ENDIAN 1
#endif

#ifndef BFD_ASSEMBLER
 #error PowerPC support requires BFD_ASSEMBLER
#endif

/* If OBJ_COFF is defined, and TE_PE is not defined, we are assembling
   XCOFF for AIX or PowerMac.  If TE_PE is defined, we are assembling
   COFF for Windows NT.  */

#ifdef OBJ_COFF
#ifndef TE_PE
#define OBJ_XCOFF
#endif
#endif

/* The target BFD architecture.  */
#define TARGET_ARCH (ppc_arch ())
extern enum bfd_architecture ppc_arch PARAMS ((void));

/* Whether or not the target is big endian */
extern int target_big_endian;

/* The target BFD format.  */
#ifdef OBJ_COFF
#ifdef TE_PE
#define TARGET_FORMAT (target_big_endian ? "pe-powerpc" : "pe-powerpcle")
#else
#define TARGET_FORMAT "aixcoff-rs6000"
#endif
#endif

/* PowerMac has a BFD slightly different from AIX's.  */
#ifdef TE_POWERMAC
#ifdef TARGET_FORMAT
#undef TARGET_FORMAT
#endif
#define TARGET_FORMAT "xcoff-powermac"
#endif

#ifdef OBJ_ELF
#define TARGET_FORMAT (target_big_endian ? "elf32-powerpc" : "elf32-powerpcle")
#endif

/* Permit temporary numeric labels.  */
#define LOCAL_LABELS_FB 1

/* $ is used to refer to the current location.  */
#define DOLLAR_DOT

/* Strings do not use backslash escapes under COFF.  */
#ifdef OBJ_COFF
#define NO_STRING_ESCAPES
#endif

#ifdef OBJ_ELF
#define DIFF_EXPR_OK		/* foo-. gets turned into PC relative relocs */
#endif

#if TARGET_BYTES_BIG_ENDIAN
#define PPC_BIG_ENDIAN 1
#else
#define PPC_BIG_ENDIAN 0
#endif

/* We don't need to handle .word strangely.  */
#define WORKING_DOT_WORD

/* We set the fx_done field appropriately in md_apply_fix.  */
#define TC_HANDLES_FX_DONE
\f
#ifdef TE_PE

/* Question marks are permitted in symbol names.  */
#define LEX_QM 1

/* Don't adjust TOC relocs.  */
#define tc_fix_adjustable(fixp) ppc_pe_fix_adjustable (fixp)
extern int ppc_pe_fix_adjustable PARAMS ((struct fix *));

#endif

#ifdef OBJ_XCOFF

/* Declarations needed when generating XCOFF code.  XCOFF is an
   extension of COFF, used only on the RS/6000.  Rather than create an
   obj-xcoff, we just use obj-coff, and handle the extensions here in
   tc-ppc.  */

/* We need to keep some information for symbols.  */
struct ppc_tc_sy
{
  /* We keep a few linked lists of symbols.  */
  symbolS *next;
  /* Non-zero if the symbol should be output.  The RS/6000 assembler
     only outputs symbols that are external or are mentioned in a
     .globl or .lglobl statement.  */
  int output;
  /* The symbol class.  */
  int class;
  /* The real name, if the symbol was renamed.  */
  char *real_name;
  /* For a csect symbol, the subsegment we are using.  This is zero
     for symbols that are not csects.  */
  subsegT subseg;
  /* For a csect or common symbol, the alignment to use.  */
  int align;
  /* For a function symbol, a symbol whose value is the size.  The
     field is NULL if there is no size.  */
  symbolS *size;
  /* For a csect symbol, the last symbol which has been defined in
     this csect, or NULL if none have been defined so far.  For a .bs
     symbol, the referenced csect symbol.  */
  symbolS *within;
};

#define TC_SYMFIELD_TYPE struct ppc_tc_sy

/* We need an additional auxent for function symbols.  */
#define OBJ_COFF_MAX_AUXENTRIES 2

/* Square and curly brackets are permitted in symbol names.  */
#define LEX_BR 3

/* Canonicalize the symbol name.  */
#define tc_canonicalize_symbol_name(name) ppc_canonicalize_symbol_name (name)
extern char *ppc_canonicalize_symbol_name PARAMS ((char *));

/* Get the symbol class from the name.  */
#define tc_symbol_new_hook(sym) ppc_symbol_new_hook (sym)
extern void ppc_symbol_new_hook PARAMS ((symbolS *));

/* Set the symbol class of a label based on the csect.  */
#define tc_frob_label(sym) ppc_frob_label (sym)
extern void ppc_frob_label PARAMS ((symbolS *));

/* TOC relocs requires special handling.  */
#define tc_fix_adjustable(fixp) ppc_fix_adjustable (fixp)
extern int ppc_fix_adjustable PARAMS ((struct fix *));

/* A relocation from one csect to another must be kept.  */
#define TC_FORCE_RELOCATION(FIXP) ppc_force_relocation (FIXP)
extern int ppc_force_relocation PARAMS ((struct fix *));

/* We need to set the section VMA.  */
#define tc_frob_section(sec) ppc_frob_section (sec)
extern void ppc_frob_section PARAMS ((asection *));

/* Finish up the symbol.  */
#define tc_frob_symbol(sym, punt) punt = ppc_frob_symbol (sym)
extern int ppc_frob_symbol PARAMS ((symbolS *));

/* Finish up the entire symtab.  */
#define tc_adjust_symtab() ppc_adjust_symtab ()
extern void ppc_adjust_symtab PARAMS ((void));

/* Niclas Andersson <nican@ida.liu.se> says this is needed.  */
#define SUB_SEGMENT_ALIGN(SEG) 2

#endif /* OBJ_XCOFF */

#ifdef OBJ_ELF

/* Branch prediction relocations must force relocation, as must
   the vtable description relocs.  */
#define TC_FORCE_RELOCATION(FIXP)					\
((FIXP)->fx_r_type == BFD_RELOC_PPC_B16_BRTAKEN				\
 || (FIXP)->fx_r_type == BFD_RELOC_PPC_B16_BRNTAKEN			\
 || (FIXP)->fx_r_type == BFD_RELOC_PPC_BA16_BRTAKEN			\
 || (FIXP)->fx_r_type == BFD_RELOC_PPC_BA16_BRNTAKEN			\
 || (FIXP)->fx_r_type == BFD_RELOC_VTABLE_INHERIT			\
 || (FIXP)->fx_r_type == BFD_RELOC_VTABLE_ENTRY)

#define TC_FORCE_RELOCATION_SECTION(FIXP,SEC)				\
(TC_FORCE_RELOCATION (FIXP)						\
 || ((FIXP)->fx_addsy && !(FIXP)->fx_subsy				\
     && S_GET_SEGMENT ((FIXP)->fx_addsy) != SEC))

/* Support for SHF_EXCLUDE and SHT_ORDERED */
extern int ppc_section_letter PARAMS ((int, char **));
extern int ppc_section_type PARAMS ((char *, size_t));
extern int ppc_section_word PARAMS ((char *, size_t));
extern int ppc_section_flags PARAMS ((int, int, int));

#define md_elf_section_letter(LETTER, PTR_MSG)	ppc_section_letter (LETTER, PTR_MSG)
#define md_elf_section_type(STR, LEN)		ppc_section_type (STR, LEN)
#define md_elf_section_word(STR, LEN)		ppc_section_word (STR, LEN)
#define md_elf_section_flags(FLAGS, ATTR, TYPE)	ppc_section_flags (FLAGS, ATTR, TYPE)

/* Add extra PPC sections -- Note, for now, make .sbss2 and .PPC.EMB.sbss0 a
   normal section, and not a bss section so that the linker doesn't crater
   when trying to make more than 2 sections.  */
#define ELF_TC_SPECIAL_SECTIONS \
  { ".tags",		SHT_ORDERED,	SHF_ALLOC }, \
  { ".sdata",		SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE }, \
  { ".sbss",		SHT_NOBITS,	SHF_ALLOC + SHF_WRITE }, \
  { ".sdata2",		SHT_PROGBITS,	SHF_ALLOC }, \
  { ".sbss2",		SHT_PROGBITS,	SHF_ALLOC }, \
  { ".PPC.EMB.sdata0",	SHT_PROGBITS,	SHF_ALLOC }, \
  { ".PPC.EMB.sbss0",	SHT_PROGBITS,	SHF_ALLOC },

#define tc_comment_chars ppc_comment_chars
extern const char *ppc_comment_chars;

/* Keep relocations relative to the GOT, or non-PC relative. */
#define tc_fix_adjustable(FIX)                          		\
  ((FIX)->fx_r_type != BFD_RELOC_16_GOTOFF              		\
   && (FIX)->fx_r_type != BFD_RELOC_LO16_GOTOFF         		\
   && (FIX)->fx_r_type != BFD_RELOC_HI16_GOTOFF         		\
   && (FIX)->fx_r_type != BFD_RELOC_HI16_S_GOTOFF       		\
   && (FIX)->fx_r_type != BFD_RELOC_GPREL16             		\
   && (FIX)->fx_r_type != BFD_RELOC_VTABLE_INHERIT			\
   && (FIX)->fx_r_type != BFD_RELOC_VTABLE_ENTRY			\
   && ! S_IS_EXTERNAL ((FIX)->fx_addsy)					\
   && ! S_IS_WEAK ((FIX)->fx_addsy)					\
   && ((FIX)->fx_pcrel				        		\
       || ((FIX)->fx_subsy != NULL					\
	   && (S_GET_SEGMENT ((FIX)->fx_subsy)				\
	       == S_GET_SEGMENT ((FIX)->fx_addsy)))			\
       || strchr (S_GET_NAME ((FIX)->fx_addsy), '\001') != NULL		\
       || strchr (S_GET_NAME ((FIX)->fx_addsy), '\002') != NULL))

/* We must never ever try to resolve references to externally visible
   symbols in the assembler, because the .o file might go into a shared
   library, and some other shared library might override that symbol.  */
#define TC_RELOC_RTSYM_LOC_FIXUP(FIX)  \
  ((FIX)->fx_addsy == NULL \
   || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
       && ! S_IS_WEAK ((FIX)->fx_addsy) \
       && S_IS_DEFINED ((FIX)->fx_addsy) \
       && ! S_IS_COMMON ((FIX)->fx_addsy)))

#endif /* OBJ_ELF */

/* call md_apply_fix3 with segment instead of md_apply_fix */
#define MD_APPLY_FIX3

/* call md_pcrel_from_section, not md_pcrel_from */
#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section(FIXP, SEC)
extern long md_pcrel_from_section PARAMS ((struct fix *, segT));

#define md_parse_name(name, exp) ppc_parse_name (name, exp)
extern int ppc_parse_name PARAMS ((const char *, struct expressionS *));

#define md_operand(x)
Commit	Line	Data
252b5132	1	/* tc-ppc.h -- Header file for tc-ppc.c.
49309057	2	Copyright (C) 1994, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
252b5132 RH	3	Written by Ian Lance Taylor, Cygnus Support.
	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 the Free
	19	Software Foundation, 59 Temple Place - Suite 330, Boston, MA
	20	02111-1307, USA. */
	21
	22	#define TC_PPC
	23
	24	#ifdef ANSI_PROTOTYPES
	25	struct fix;
	26	#endif
	27
	28	/* Set the endianness we are using. Default to big endian. */
	29	#ifndef TARGET_BYTES_BIG_ENDIAN
	30	#define TARGET_BYTES_BIG_ENDIAN 1
	31	#endif
	32
	33	#ifndef BFD_ASSEMBLER
	34	#error PowerPC support requires BFD_ASSEMBLER
	35	#endif
	36
	37	/* If OBJ_COFF is defined, and TE_PE is not defined, we are assembling
	38	XCOFF for AIX or PowerMac. If TE_PE is defined, we are assembling
	39	COFF for Windows NT. */
	40
	41	#ifdef OBJ_COFF
	42	#ifndef TE_PE
	43	#define OBJ_XCOFF
	44	#endif
	45	#endif
	46
	47	/* The target BFD architecture. */
	48	#define TARGET_ARCH (ppc_arch ())
	49	extern enum bfd_architecture ppc_arch PARAMS ((void));
	50
	51	/* Whether or not the target is big endian */
	52	extern int target_big_endian;
	53
	54	/* The target BFD format. */
	55	#ifdef OBJ_COFF
	56	#ifdef TE_PE
	57	#define TARGET_FORMAT (target_big_endian ? "pe-powerpc" : "pe-powerpcle")
	58	#else
	59	#define TARGET_FORMAT "aixcoff-rs6000"
	60	#endif
	61	#endif
	62
	63	/* PowerMac has a BFD slightly different from AIX's. */
	64	#ifdef TE_POWERMAC
	65	#ifdef TARGET_FORMAT
	66	#undef TARGET_FORMAT
67	#endif
68	#define TARGET_FORMAT "xcoff-powermac"
69	#endif
70
71	#ifdef OBJ_ELF
72	#define TARGET_FORMAT (target_big_endian ? "elf32-powerpc" : "elf32-powerpcle")
73	#endif
74
75	/* Permit temporary numeric labels. */
76	#define LOCAL_LABELS_FB 1
77
78	/* $ is used to refer to the current location. */
79	#define DOLLAR_DOT
80
81	/* Strings do not use backslash escapes under COFF. */
82	#ifdef OBJ_COFF
83	#define NO_STRING_ESCAPES
84	#endif
85
86	#ifdef OBJ_ELF
87	#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */
88	#endif
89
90	#if TARGET_BYTES_BIG_ENDIAN
91	#define PPC_BIG_ENDIAN 1
92	#else
93	#define PPC_BIG_ENDIAN 0
94	#endif
95
96	/* We don't need to handle .word strangely. */
97	#define WORKING_DOT_WORD
98
99	/* We set the fx_done field appropriately in md_apply_fix. */
100	#define TC_HANDLES_FX_DONE
101	\f
102	#ifdef TE_PE
103
104	/* Question marks are permitted in symbol names. */
105	#define LEX_QM 1
106
107	/* Don't adjust TOC relocs. */
108	#define tc_fix_adjustable(fixp) ppc_pe_fix_adjustable (fixp)
109	extern int ppc_pe_fix_adjustable PARAMS ((struct fix *));
110
111	#endif
112
113	#ifdef OBJ_XCOFF
114
115	/* Declarations needed when generating XCOFF code. XCOFF is an
116	extension of COFF, used only on the RS/6000. Rather than create an
117	obj-xcoff, we just use obj-coff, and handle the extensions here in
118	tc-ppc. */
119
120	/* We need to keep some information for symbols. */
121	struct ppc_tc_sy
122	{
123	/* We keep a few linked lists of symbols. */
49309057	124	symbolS *next;
252b5132 RH	125	/* Non-zero if the symbol should be output. The RS/6000 assembler
	126	only outputs symbols that are external or are mentioned in a
	127	.globl or .lglobl statement. */
	128	int output;
	129	/* The symbol class. */
	130	int class;
	131	/* The real name, if the symbol was renamed. */
	132	char *real_name;
	133	/* For a csect symbol, the subsegment we are using. This is zero
	134	for symbols that are not csects. */
	135	subsegT subseg;
	136	/* For a csect or common symbol, the alignment to use. */
	137	int align;
	138	/* For a function symbol, a symbol whose value is the size. The
	139	field is NULL if there is no size. */
49309057	140	symbolS *size;
252b5132 RH	141	/* For a csect symbol, the last symbol which has been defined in
	142	this csect, or NULL if none have been defined so far. For a .bs
	143	symbol, the referenced csect symbol. */
49309057	144	symbolS *within;
252b5132 RH	145	};
	146
	147	#define TC_SYMFIELD_TYPE struct ppc_tc_sy
	148
	149	/* We need an additional auxent for function symbols. */
	150	#define OBJ_COFF_MAX_AUXENTRIES 2
	151
	152	/* Square and curly brackets are permitted in symbol names. */
	153	#define LEX_BR 3
	154
	155	/* Canonicalize the symbol name. */
	156	#define tc_canonicalize_symbol_name(name) ppc_canonicalize_symbol_name (name)
	157	extern char ppc_canonicalize_symbol_name PARAMS ((char ));
	158
	159	/* Get the symbol class from the name. */
	160	#define tc_symbol_new_hook(sym) ppc_symbol_new_hook (sym)
49309057	161	extern void ppc_symbol_new_hook PARAMS ((symbolS *));
252b5132 RH	162
	163	/* Set the symbol class of a label based on the csect. */
	164	#define tc_frob_label(sym) ppc_frob_label (sym)
49309057	165	extern void ppc_frob_label PARAMS ((symbolS *));
252b5132 RH	166
	167	/* TOC relocs requires special handling. */
	168	#define tc_fix_adjustable(fixp) ppc_fix_adjustable (fixp)
	169	extern int ppc_fix_adjustable PARAMS ((struct fix *));
	170
	171	/* A relocation from one csect to another must be kept. */
	172	#define TC_FORCE_RELOCATION(FIXP) ppc_force_relocation (FIXP)
	173	extern int ppc_force_relocation PARAMS ((struct fix *));
	174
	175	/* We need to set the section VMA. */
	176	#define tc_frob_section(sec) ppc_frob_section (sec)
	177	extern void ppc_frob_section PARAMS ((asection *));
	178
	179	/* Finish up the symbol. */
	180	#define tc_frob_symbol(sym, punt) punt = ppc_frob_symbol (sym)
49309057	181	extern int ppc_frob_symbol PARAMS ((symbolS *));
252b5132 RH	182
	183	/* Finish up the entire symtab. */
	184	#define tc_adjust_symtab() ppc_adjust_symtab ()
	185	extern void ppc_adjust_symtab PARAMS ((void));
	186
	187	/* Niclas Andersson <nican@ida.liu.se> says this is needed. */
	188	#define SUB_SEGMENT_ALIGN(SEG) 2
	189
	190	#endif /* OBJ_XCOFF */
	191
	192	#ifdef OBJ_ELF
	193
	194	/* Branch prediction relocations must force relocation, as must
	195	the vtable description relocs. */
	196	#define TC_FORCE_RELOCATION(FIXP) \
	197	((FIXP)->fx_r_type == BFD_RELOC_PPC_B16_BRTAKEN \
	198	\|\| (FIXP)->fx_r_type == BFD_RELOC_PPC_B16_BRNTAKEN \
	199	\|\| (FIXP)->fx_r_type == BFD_RELOC_PPC_BA16_BRTAKEN \
	200	\|\| (FIXP)->fx_r_type == BFD_RELOC_PPC_BA16_BRNTAKEN \
	201	\|\| (FIXP)->fx_r_type == BFD_RELOC_VTABLE_INHERIT \
	202	\|\| (FIXP)->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
	203
	204	#define TC_FORCE_RELOCATION_SECTION(FIXP,SEC) \
	205	(TC_FORCE_RELOCATION (FIXP) \
49309057 ILT	206	\|\| ((FIXP)->fx_addsy && !(FIXP)->fx_subsy \
49309057 ILT	207	&& S_GET_SEGMENT ((FIXP)->fx_addsy) != SEC))
252b5132 RH	208
	209	/* Support for SHF_EXCLUDE and SHT_ORDERED */
	210	extern int ppc_section_letter PARAMS ((int, char **));
9de8d8f1 RH	211	extern int ppc_section_type PARAMS ((char *, size_t));
9de8d8f1 RH	212	extern int ppc_section_word PARAMS ((char *, size_t));
252b5132 RH	213	extern int ppc_section_flags PARAMS ((int, int, int));
	214
	215	#define md_elf_section_letter(LETTER, PTR_MSG) ppc_section_letter (LETTER, PTR_MSG)
9de8d8f1 RH	216	#define md_elf_section_type(STR, LEN) ppc_section_type (STR, LEN)
9de8d8f1 RH	217	#define md_elf_section_word(STR, LEN) ppc_section_word (STR, LEN)
252b5132 RH	218	#define md_elf_section_flags(FLAGS, ATTR, TYPE) ppc_section_flags (FLAGS, ATTR, TYPE)
	219
	220	/* Add extra PPC sections -- Note, for now, make .sbss2 and .PPC.EMB.sbss0 a
	221	normal section, and not a bss section so that the linker doesn't crater
	222	when trying to make more than 2 sections. */
	223	#define ELF_TC_SPECIAL_SECTIONS \
	224	{ ".tags", SHT_ORDERED, SHF_ALLOC }, \
	225	{ ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \
	226	{ ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, \
	227	{ ".sdata2", SHT_PROGBITS, SHF_ALLOC }, \
	228	{ ".sbss2", SHT_PROGBITS, SHF_ALLOC }, \
	229	{ ".PPC.EMB.sdata0", SHT_PROGBITS, SHF_ALLOC }, \
	230	{ ".PPC.EMB.sbss0", SHT_PROGBITS, SHF_ALLOC },
	231
	232	#define tc_comment_chars ppc_comment_chars
	233	extern const char *ppc_comment_chars;
	234
	235	/* Keep relocations relative to the GOT, or non-PC relative. */
	236	#define tc_fix_adjustable(FIX) \
	237	((FIX)->fx_r_type != BFD_RELOC_16_GOTOFF \
	238	&& (FIX)->fx_r_type != BFD_RELOC_LO16_GOTOFF \
	239	&& (FIX)->fx_r_type != BFD_RELOC_HI16_GOTOFF \
	240	&& (FIX)->fx_r_type != BFD_RELOC_HI16_S_GOTOFF \
	241	&& (FIX)->fx_r_type != BFD_RELOC_GPREL16 \
	242	&& (FIX)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \
	243	&& (FIX)->fx_r_type != BFD_RELOC_VTABLE_ENTRY \
	244	&& ! S_IS_EXTERNAL ((FIX)->fx_addsy) \
	245	&& ! S_IS_WEAK ((FIX)->fx_addsy) \
	246	&& ((FIX)->fx_pcrel \
	247	\|\| ((FIX)->fx_subsy != NULL \
	248	&& (S_GET_SEGMENT ((FIX)->fx_subsy) \
	249	== S_GET_SEGMENT ((FIX)->fx_addsy))) \
	250	\|\| strchr (S_GET_NAME ((FIX)->fx_addsy), '\001') != NULL \
	251	\|\| strchr (S_GET_NAME ((FIX)->fx_addsy), '\002') != NULL))
	252
	253	/* We must never ever try to resolve references to externally visible
	254	symbols in the assembler, because the .o file might go into a shared
	255	library, and some other shared library might override that symbol. */
	256	#define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \
	257	((FIX)->fx_addsy == NULL \
	258	\|\| (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
	259	&& ! S_IS_WEAK ((FIX)->fx_addsy) \
	260	&& S_IS_DEFINED ((FIX)->fx_addsy) \
	261	&& ! S_IS_COMMON ((FIX)->fx_addsy)))
	262
	263	#endif /* OBJ_ELF */
	264
	265	/* call md_apply_fix3 with segment instead of md_apply_fix */
	266	#define MD_APPLY_FIX3
	267
	268	/* call md_pcrel_from_section, not md_pcrel_from */
	269	#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section(FIXP, SEC)
	270	extern long md_pcrel_from_section PARAMS ((struct fix *, segT));
	271
	272	#define md_parse_name(name, exp) ppc_parse_name (name, exp)
	273	extern int ppc_parse_name PARAMS ((const char , struct expressionS ));
	274
	275	#define md_operand(x)
	276