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- /* tc-ppc.h -- Header file for tc-ppc.c.
- Copyright (C) 1994 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #define TC_PPC
-
- #ifndef BFD_ASSEMBLER
- #error PowerPC support requires BFD_ASSEMBLER
- #endif
-
- /* The target BFD architecture. */
- #define TARGET_ARCH (ppc_arch ())
- extern enum bfd_architecture ppc_arch PARAMS ((void));
-
- /* The target BFD format. */
- #ifdef OBJ_COFF
- #define TARGET_FORMAT "aixcoff-rs6000"
- #endif
- #ifdef OBJ_ELF
- #define TARGET_FORMAT "elf32-powerpc"
- #endif
-
- /* Permit temporary numeric labels. */
- #define LOCAL_LABELS_FB
-
- /* $ is used to refer to the current location. */
- #define DOLLAR_DOT
-
- /* Strings do not use backslash escapes. */
- #define NO_STRING_ESCAPES
-
- #ifdef OBJ_COFF
- /* When using COFF, we determine whether or not to output a symbol
- based on sy_tc.output, not on the name. */
- #define LOCAL_LABEL(name) 0
- #endif
- #ifdef OBJ_ELF
- /* When using ELF, local labels start with '.'. */
- #define LOCAL_LABEL(name) (name[0] == '.' \
- && (name[1] == 'L' || name[1] == '.'))
- #define FAKE_LABEL_NAME ".L0\001"
- #endif
-
- /* Set the endianness we are using. Default to big endian. */
- #ifndef TARGET_BYTES_BIG_ENDIAN
- #ifndef TARGET_BYTES_LITTLE_ENDIAN
- #define TARGET_BYTES_BIG_ENDIAN
- #endif
- #endif
-
- #ifdef 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 OBJ_COFF
-
- /* 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. */
- struct symbol *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. */
- struct symbol *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. */
- struct symbol *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 ((struct symbol *));
-
- /* 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 ((struct symbol *));
-
- /* TOC relocs requires special handling. */
- #define tc_fix_adjustable(fixp) ppc_fix_adjustable (fixp)
- extern int ppc_fix_adjustable 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 ((struct symbol *));
-
- /* Finish up the file. */
- #define tc_frob_file() ppc_frob_file ()
- extern void ppc_frob_file PARAMS ((void));
-
- #endif /* OBJ_COFF */
-