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

/* tc-ppc.h -- Header file for tc-ppc.c.
   Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
   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 ())
#define TARGET_MACH (ppc_mach ())
extern enum bfd_architecture ppc_arch PARAMS ((void));
extern unsigned long ppc_mach PARAMS ((void));

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

/* The target BFD format.  */
#define TARGET_FORMAT (ppc_target_format ())
extern char *ppc_target_format PARAMS ((void));

/* 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

#define MAX_MEM_FOR_RS_ALIGN_CODE 4
#define HANDLE_ALIGN(FRAGP)						\
  if ((FRAGP)->fr_type == rs_align_code) 				\
    {									\
      valueT count = ((FRAGP)->fr_next->fr_address			\
		      - ((FRAGP)->fr_address + (FRAGP)->fr_fix));	\
      if (count != 0 && (count & 3) == 0)				\
	{								\
	  unsigned char *dest = (FRAGP)->fr_literal + (FRAGP)->fr_fix;	\
									\
	  (FRAGP)->fr_var = 4;						\
	  if (target_big_endian)					\
	    {								\
	      *dest++ = 0x60;						\
	      *dest++ = 0;						\
	      *dest++ = 0;						\
	      *dest++ = 0;						\
	    }								\
	  else								\
	    {								\
	      *dest++ = 0;						\
	      *dest++ = 0;						\
	      *dest++ = 0;						\
	      *dest++ = 0x60;						\
	    }								\
	}								\
    }

\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.  */
extern int ppc_subseg_align PARAMS ((void));
#define SUB_SEGMENT_ALIGN(SEG) ppc_subseg_align()

/* We also need to copy, in particular, the class of the symbol,
   over what obj-coff would otherwise have copied.  */
#define OBJ_COPY_SYMBOL_ATTRIBUTES(dest,src)			\
do {								\
  if (SF_GET_GET_SEGMENT (dest))				\
    S_SET_SEGMENT (dest, S_GET_SEGMENT (src));			\
  symbol_get_tc (dest)->size = symbol_get_tc (src)->size;	\
  symbol_get_tc (dest)->align = symbol_get_tc (src)->align;	\
  symbol_get_tc (dest)->class = symbol_get_tc (src)->class;	\
  symbol_get_tc (dest)->within = symbol_get_tc (src)->within;	\
} while (0)

#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			\
 || (BFD_DEFAULT_TARGET_SIZE == 64					\
     && (FIXP)->fx_r_type == BFD_RELOC_PPC64_TOC)			\
 || (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)

#if BFD_DEFAULT_TARGET_SIZE == 64
/* Extra sections for 64-bit ELF PPC. */
#define ELF_TC_SPECIAL_SECTIONS \
  { ".toc",		SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE}, \
  { ".tocbss",		SHT_NOBITS,	SHF_ALLOC + SHF_WRITE},
#else
/* 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 },
#endif

#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(fixp) ppc_fix_adjustable (fixp)
extern int ppc_fix_adjustable PARAMS ((struct fix *));

/* 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)))

#if BFD_DEFAULT_TARGET_SIZE == 64
/* Finish up the symbol.  */
#define tc_frob_symbol(sym, punt) punt = ppc_elf_frob_symbol (sym)
extern int ppc_elf_frob_symbol PARAMS ((symbolS *));
#endif

#define DWARF2_LINE_MIN_INSN_LENGTH 4
#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, c) 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.
34f63668	2	Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
2c1c4c62	3	Free Software Foundation, Inc.
252b5132 RH	4	Written by Ian Lance Taylor, Cygnus Support.
	5
	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
	19	along with GAS; see the file COPYING. If not, write to the Free
	20	Software Foundation, 59 Temple Place - Suite 330, Boston, MA
81d4177b	21	02111-1307, USA. */
252b5132 RH	22
	23	#define TC_PPC
	24
	25	#ifdef ANSI_PROTOTYPES
	26	struct fix;
	27	#endif
	28
	29	/* Set the endianness we are using. Default to big endian. */
	30	#ifndef TARGET_BYTES_BIG_ENDIAN
	31	#define TARGET_BYTES_BIG_ENDIAN 1
	32	#endif
	33
	34	#ifndef BFD_ASSEMBLER
	35	#error PowerPC support requires BFD_ASSEMBLER
	36	#endif
	37
	38	/* If OBJ_COFF is defined, and TE_PE is not defined, we are assembling
	39	XCOFF for AIX or PowerMac. If TE_PE is defined, we are assembling
	40	COFF for Windows NT. */
	41
	42	#ifdef OBJ_COFF
	43	#ifndef TE_PE
	44	#define OBJ_XCOFF
	45	#endif
	46	#endif
	47
	48	/* The target BFD architecture. */
	49	#define TARGET_ARCH (ppc_arch ())
7f6d05e8	50	#define TARGET_MACH (ppc_mach ())
252b5132	51	extern enum bfd_architecture ppc_arch PARAMS ((void));
7f6d05e8	52	extern unsigned long ppc_mach PARAMS ((void));
252b5132 RH	53
	54	/* Whether or not the target is big endian */
	55	extern int target_big_endian;
	56
	57	/* The target BFD format. */
7f6d05e8	58	#define TARGET_FORMAT (ppc_target_format ())
0baf16f2	59	extern char *ppc_target_format PARAMS ((void));
252b5132 RH	60
	61	/* Permit temporary numeric labels. */
	62	#define LOCAL_LABELS_FB 1
	63
	64	/* $ is used to refer to the current location. */
	65	#define DOLLAR_DOT
	66
	67	/* Strings do not use backslash escapes under COFF. */
	68	#ifdef OBJ_COFF
	69	#define NO_STRING_ESCAPES
	70	#endif
	71
	72	#ifdef OBJ_ELF
	73	#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */
	74	#endif
	75
	76	#if TARGET_BYTES_BIG_ENDIAN
	77	#define PPC_BIG_ENDIAN 1
	78	#else
	79	#define PPC_BIG_ENDIAN 0
	80	#endif
	81
	82	/* We don't need to handle .word strangely. */
	83	#define WORKING_DOT_WORD
	84
	85	/* We set the fx_done field appropriately in md_apply_fix. */
	86	#define TC_HANDLES_FX_DONE
0baf16f2 AM	87
	88	#define MAX_MEM_FOR_RS_ALIGN_CODE 4
	89	#define HANDLE_ALIGN(FRAGP) \
	90	if ((FRAGP)->fr_type == rs_align_code) \
	91	{ \
	92	valueT count = ((FRAGP)->fr_next->fr_address \
	93	- ((FRAGP)->fr_address + (FRAGP)->fr_fix)); \
	94	if (count != 0 && (count & 3) == 0) \
	95	{ \
	96	unsigned char *dest = (FRAGP)->fr_literal + (FRAGP)->fr_fix; \
	97	\
	98	(FRAGP)->fr_var = 4; \
	99	if (target_big_endian) \
	100	{ \
	101	*dest++ = 0x60; \
	102	*dest++ = 0; \
	103	*dest++ = 0; \
	104	*dest++ = 0; \
	105	} \
	106	else \
	107	{ \
	108	*dest++ = 0; \
	109	*dest++ = 0; \
	110	*dest++ = 0; \
	111	*dest++ = 0x60; \
	112	} \
	113	} \
	114	}
	115
252b5132 RH	116	\f
	117	#ifdef TE_PE
	118
	119	/* Question marks are permitted in symbol names. */
	120	#define LEX_QM 1
	121
	122	/* Don't adjust TOC relocs. */
	123	#define tc_fix_adjustable(fixp) ppc_pe_fix_adjustable (fixp)
	124	extern int ppc_pe_fix_adjustable PARAMS ((struct fix *));
	125
	126	#endif
	127
	128	#ifdef OBJ_XCOFF
	129
	130	/* Declarations needed when generating XCOFF code. XCOFF is an
	131	extension of COFF, used only on the RS/6000. Rather than create an
	132	obj-xcoff, we just use obj-coff, and handle the extensions here in
	133	tc-ppc. */
	134
	135	/* We need to keep some information for symbols. */
	136	struct ppc_tc_sy
	137	{
	138	/* We keep a few linked lists of symbols. */
49309057	139	symbolS *next;
252b5132 RH	140	/* Non-zero if the symbol should be output. The RS/6000 assembler
	141	only outputs symbols that are external or are mentioned in a
	142	.globl or .lglobl statement. */
	143	int output;
	144	/* The symbol class. */
	145	int class;
	146	/* The real name, if the symbol was renamed. */
	147	char *real_name;
	148	/* For a csect symbol, the subsegment we are using. This is zero
	149	for symbols that are not csects. */
	150	subsegT subseg;
	151	/* For a csect or common symbol, the alignment to use. */
	152	int align;
	153	/* For a function symbol, a symbol whose value is the size. The
	154	field is NULL if there is no size. */
49309057	155	symbolS *size;
252b5132 RH	156	/* For a csect symbol, the last symbol which has been defined in
	157	this csect, or NULL if none have been defined so far. For a .bs
	158	symbol, the referenced csect symbol. */
49309057	159	symbolS *within;
252b5132 RH	160	};
	161
	162	#define TC_SYMFIELD_TYPE struct ppc_tc_sy
	163
	164	/* We need an additional auxent for function symbols. */
	165	#define OBJ_COFF_MAX_AUXENTRIES 2
	166
	167	/* Square and curly brackets are permitted in symbol names. */
	168	#define LEX_BR 3
	169
	170	/* Canonicalize the symbol name. */
	171	#define tc_canonicalize_symbol_name(name) ppc_canonicalize_symbol_name (name)
	172	extern char ppc_canonicalize_symbol_name PARAMS ((char ));
	173
	174	/* Get the symbol class from the name. */
	175	#define tc_symbol_new_hook(sym) ppc_symbol_new_hook (sym)
49309057	176	extern void ppc_symbol_new_hook PARAMS ((symbolS *));
252b5132 RH	177
	178	/* Set the symbol class of a label based on the csect. */
	179	#define tc_frob_label(sym) ppc_frob_label (sym)
49309057	180	extern void ppc_frob_label PARAMS ((symbolS *));
252b5132 RH	181
	182	/* TOC relocs requires special handling. */
	183	#define tc_fix_adjustable(fixp) ppc_fix_adjustable (fixp)
	184	extern int ppc_fix_adjustable PARAMS ((struct fix *));
	185
	186	/* A relocation from one csect to another must be kept. */
	187	#define TC_FORCE_RELOCATION(FIXP) ppc_force_relocation (FIXP)
	188	extern int ppc_force_relocation PARAMS ((struct fix *));
	189
	190	/* We need to set the section VMA. */
	191	#define tc_frob_section(sec) ppc_frob_section (sec)
	192	extern void ppc_frob_section PARAMS ((asection *));
	193
	194	/* Finish up the symbol. */
	195	#define tc_frob_symbol(sym, punt) punt = ppc_frob_symbol (sym)
49309057	196	extern int ppc_frob_symbol PARAMS ((symbolS *));
252b5132 RH	197
	198	/* Finish up the entire symtab. */
	199	#define tc_adjust_symtab() ppc_adjust_symtab ()
	200	extern void ppc_adjust_symtab PARAMS ((void));
	201
	202	/* Niclas Andersson <nican@ida.liu.se> says this is needed. */
7f6d05e8 CP	203	extern int ppc_subseg_align PARAMS ((void));
7f6d05e8 CP	204	#define SUB_SEGMENT_ALIGN(SEG) ppc_subseg_align()
252b5132	205
2c1c4c62 GK	206	/* We also need to copy, in particular, the class of the symbol,
	207	over what obj-coff would otherwise have copied. */
	208	#define OBJ_COPY_SYMBOL_ATTRIBUTES(dest,src) \
	209	do { \
	210	if (SF_GET_GET_SEGMENT (dest)) \
	211	S_SET_SEGMENT (dest, S_GET_SEGMENT (src)); \
	212	symbol_get_tc (dest)->size = symbol_get_tc (src)->size; \
	213	symbol_get_tc (dest)->align = symbol_get_tc (src)->align; \
	214	symbol_get_tc (dest)->class = symbol_get_tc (src)->class; \
	215	symbol_get_tc (dest)->within = symbol_get_tc (src)->within; \
	216	} while (0)
	217
252b5132 RH	218	#endif /* OBJ_XCOFF */
	219
	220	#ifdef OBJ_ELF
	221
	222	/* Branch prediction relocations must force relocation, as must
	223	the vtable description relocs. */
	224	#define TC_FORCE_RELOCATION(FIXP) \
	225	((FIXP)->fx_r_type == BFD_RELOC_PPC_B16_BRTAKEN \
	226	\|\| (FIXP)->fx_r_type == BFD_RELOC_PPC_B16_BRNTAKEN \
	227	\|\| (FIXP)->fx_r_type == BFD_RELOC_PPC_BA16_BRTAKEN \
	228	\|\| (FIXP)->fx_r_type == BFD_RELOC_PPC_BA16_BRNTAKEN \
0baf16f2 AM	229	\|\| (BFD_DEFAULT_TARGET_SIZE == 64 \
0baf16f2 AM	230	&& (FIXP)->fx_r_type == BFD_RELOC_PPC64_TOC) \
252b5132 RH	231	\|\| (FIXP)->fx_r_type == BFD_RELOC_VTABLE_INHERIT \
	232	\|\| (FIXP)->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
	233
	234	#define TC_FORCE_RELOCATION_SECTION(FIXP,SEC) \
	235	(TC_FORCE_RELOCATION (FIXP) \
49309057 ILT	236	\|\| ((FIXP)->fx_addsy && !(FIXP)->fx_subsy \
49309057 ILT	237	&& S_GET_SEGMENT ((FIXP)->fx_addsy) != SEC))
252b5132 RH	238
	239	/* Support for SHF_EXCLUDE and SHT_ORDERED */
	240	extern int ppc_section_letter PARAMS ((int, char **));
9de8d8f1 RH	241	extern int ppc_section_type PARAMS ((char *, size_t));
9de8d8f1 RH	242	extern int ppc_section_word PARAMS ((char *, size_t));
252b5132 RH	243	extern int ppc_section_flags PARAMS ((int, int, int));
	244
	245	#define md_elf_section_letter(LETTER, PTR_MSG) ppc_section_letter (LETTER, PTR_MSG)
9de8d8f1 RH	246	#define md_elf_section_type(STR, LEN) ppc_section_type (STR, LEN)
9de8d8f1 RH	247	#define md_elf_section_word(STR, LEN) ppc_section_word (STR, LEN)
252b5132 RH	248	#define md_elf_section_flags(FLAGS, ATTR, TYPE) ppc_section_flags (FLAGS, ATTR, TYPE)
252b5132 RH	249
0baf16f2 AM	250	#if BFD_DEFAULT_TARGET_SIZE == 64
	251	/* Extra sections for 64-bit ELF PPC. */
	252	#define ELF_TC_SPECIAL_SECTIONS \
	253	{ ".toc", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE}, \
	254	{ ".tocbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE},
	255	#else
252b5132 RH	256	/* Add extra PPC sections -- Note, for now, make .sbss2 and .PPC.EMB.sbss0 a
	257	normal section, and not a bss section so that the linker doesn't crater
	258	when trying to make more than 2 sections. */
	259	#define ELF_TC_SPECIAL_SECTIONS \
	260	{ ".tags", SHT_ORDERED, SHF_ALLOC }, \
	261	{ ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \
	262	{ ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, \
	263	{ ".sdata2", SHT_PROGBITS, SHF_ALLOC }, \
	264	{ ".sbss2", SHT_PROGBITS, SHF_ALLOC }, \
	265	{ ".PPC.EMB.sdata0", SHT_PROGBITS, SHF_ALLOC }, \
	266	{ ".PPC.EMB.sbss0", SHT_PROGBITS, SHF_ALLOC },
0baf16f2	267	#endif
252b5132 RH	268
	269	#define tc_comment_chars ppc_comment_chars
	270	extern const char *ppc_comment_chars;
	271
81d4177b	272	/* Keep relocations relative to the GOT, or non-PC relative. */
0baf16f2 AM	273	#define tc_fix_adjustable(fixp) ppc_fix_adjustable (fixp)
0baf16f2 AM	274	extern int ppc_fix_adjustable PARAMS ((struct fix *));
252b5132 RH	275
	276	/* We must never ever try to resolve references to externally visible
	277	symbols in the assembler, because the .o file might go into a shared
	278	library, and some other shared library might override that symbol. */
	279	#define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \
	280	((FIX)->fx_addsy == NULL \
	281	\|\| (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
	282	&& ! S_IS_WEAK ((FIX)->fx_addsy) \
	283	&& S_IS_DEFINED ((FIX)->fx_addsy) \
	284	&& ! S_IS_COMMON ((FIX)->fx_addsy)))
	285
0baf16f2 AM	286	#if BFD_DEFAULT_TARGET_SIZE == 64
	287	/* Finish up the symbol. */
	288	#define tc_frob_symbol(sym, punt) punt = ppc_elf_frob_symbol (sym)
	289	extern int ppc_elf_frob_symbol PARAMS ((symbolS *));
	290	#endif
	291
5d6f4f16	292	#define DWARF2_LINE_MIN_INSN_LENGTH 4
252b5132 RH	293	#endif /* OBJ_ELF */
	294
	295	/* call md_apply_fix3 with segment instead of md_apply_fix */
	296	#define MD_APPLY_FIX3
	297
	298	/* call md_pcrel_from_section, not md_pcrel_from */
	299	#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section(FIXP, SEC)
	300	extern long md_pcrel_from_section PARAMS ((struct fix *, segT));
	301
a8a22e33	302	#define md_parse_name(name, exp, c) ppc_parse_name (name, exp)
252b5132 RH	303	extern int ppc_parse_name PARAMS ((const char , struct expressionS ));
	304
	305	#define md_operand(x)