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binutils-gdb/gas/config/tc-ppc.h
Clinton Popetz 7f6d05e83e Add XCOFF64 support. 
bfd:
	* Makefile.am (coff64-rs6000.lo): New rule.
	* Makefile.in: Regenerate.
	* coff-rs6000.c (xcoff_mkobject, xcoff_copy_private_bfd_data,
	xcoff_is_local_label_name, xcoff_rtype2howto,
	xcoff_reloc_type_lookup, xcoff_slurp_armap, xcoff_archive_p,
	xcoff_read_ar_hdr, xcoff_openr_next_archived_file, xcoff_write_armap,
	xcoff_write_archive_contents): No longer static, and prefix with _bfd_.
	(NO_COFF_SYMBOLS): Define.
	(xcoff64_swap_sym_in, xcoff64_swap_sym_out, xcoff64_swap_aux_in,
	xcoff64_swap_aux_out): New functions; handle xcoff symbol tables
	internally.
	(MINUS_ONE): New macro.
	(xcoff_howto_tabl, xcoff_reloc_type_lookup): Add 64 bit POS
	relocation.
	(coff_SWAP_sym_in, coff_SWAP_sym_out, coff_SWAP_aux_in,
	coff_SWAP_aux_out): Map to the new functions.
	* coff64-rs6000.c: New file.
	* libcoff.h (bfd_coff_backend_data): Add new fields
	_bfd_coff_force_symnames_in_strings and
	_bfd_coff_debug_string_prefix_length.
	(bfd_coff_force_symnames_in_strings,
	bfd_coff_debug_string_prefix_length): New macros for above fields.
	* coffcode.h (coff_set_arch_mach_hook): Handle XCOFF64 magic.
	Set machine to 620 for XCOFF64.  Use bfd_coff_swap_sym_in instead
	of using coff_swap_sym_in directly.
	(FORCE_SYMNAMES_IN_STRINGS): New macro, defined for XCOFF64.
	(coff_set_flags) Set magic for XCOFF64.
	(coff_compute_section_file_positions): Add symbol name length to
	string section length if bfd_coff_debug_string_prefix_length is
	true.
	(coff_write_object_contents): Don't do reloc overflow for XCOFF64.
	(coff_slurp_line_table): Use bfd_coff_swap_lineno_in instead of
	using coff_swap_lineno_in directly.
	(bfd_coff_backend_data): Add _bfd_coff_force_symnames_in_strings
	and _bfd_coff_debug_string_prefix_length fields.
	* coffgen.c (coff_fix_symbol_name, coff_write_symbols): Force
	symbol names into strings table when
	bfd_coff_force_symnames_in_strings is true.
	* coffswap.h (MAX_SCNHDR_NRELOC, MAX_SCNHDR_NLNNO, GET_RELOC_VADDR,
	SET_RELOC_VADDR): New macros.
	(coff_swap_reloc_in, coff_swap_reloc_out): Use above macros.
	(coff_swap_aux_in, coff_swap_aux_out): Remove RS6000COFF_C
	code.
	(coff_swap_aouthdr_in, coff_swap_aouthdr_out): Handle XCOFF64
	changes within RS6000COFF_C specific code.
	(coff_swap_scnhdr_out): Use PUT_SCNHDR_NLNNO, PUT_SCNHDR_NRELOC,
	MAX_SCNHDR_NRELOC, and MAX_SCNHDR_NLNNO.
	* reloc.c (bfd_perform_relocation, bfd_install_relocation):
	Extend existing hack on target name.
	* xcofflink.c (XCOFF_XVECP): Extend existing hack on
	target name.
	* coff-tic54x.c (ticof): Keep up to date with new fields
	in bfd_coff_backend_data.
	* config.bfd: Add bfd_powerpc_64_arch to targ_arch and define
	targ_selvecs to include rs6000coff64_vec for rs6000.
	* configure.in: Add rs6000coff64_vec case.
 	* cpu-powerpc.c: New bfd_arch_info_type.

	gas:
	* as.c (parse_args): Allow md_parse_option to override -a listing
	option.
	* config/obj-coff.c (add_lineno): Change type of offset parameter
	from "int" to "bfd_vma."
	* config/tc-ppc.c (md_pseudo_table): Add "llong" and "machine."
	(ppc_mach, ppc_subseg_align, ppc_target_format): New.
	(ppc_change_csect): Align correctly for XCOFF64.
	(ppc_machine): New function, which discards "ppc_machine" line.
	(ppc_tc): Cons for 8 when code is 64 bit.
	(md_apply_fix3): Don't check operand->insert.  Handle 64 bit
	relocations.
	(md_parse_option): Handle -a64 and -a32.
	(ppc_xcoff64): New.
	* config/tc-ppc.h (TARGET_MACH): Define.
	(TARGET_FORMAT): Move to function.
	(SUB_SEGMENT_ALIGN): Use ppc_subseg_align.

	include:
	* include/coff/rs6k64.h: New file.

	opcodes:
	* configure.in: Add bfd_powerpc_64_arch.
	* disassemble.c (disassembler): Use print_insn_big_powerpc for
	64 bit code.
2000-04-26 15:09:44 +00:00

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/* tc-ppc.h -- Header file for tc-ppc.c.
Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000
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 ();
/* 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
#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 \
|| (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))) \
|| S_IS_LOCAL ((FIX)->fx_addsy)))
/* 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)
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