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Diffstat (limited to 'binutils-2.17/gas/frags.h')
| -rw-r--r-- | binutils-2.17/gas/frags.h | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/binutils-2.17/gas/frags.h b/binutils-2.17/gas/frags.h deleted file mode 100644 index 88044676..00000000 --- a/binutils-2.17/gas/frags.h +++ /dev/null @@ -1,153 +0,0 @@ -/* frags.h - Header file for the frag concept. - Copyright 1987, 1992, 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2001, - 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. - - 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, 51 Franklin Street - Fifth Floor, Boston, MA - 02110-1301, USA. */ - -#ifndef FRAGS_H -#define FRAGS_H - -struct obstack; - -/* A code fragment (frag) is some known number of chars, followed by some - unknown number of chars. Typically the unknown number of chars is an - instruction address whose size is yet unknown. We always know the greatest - possible size the unknown number of chars may become, and reserve that - much room at the end of the frag. - Once created, frags do not change address during assembly. - We chain the frags in (a) forward-linked list(s). The object-file address - of the 1st char of a frag is generally not known until after relax(). - Many things at assembly time describe an address by {object-file-address - of a particular frag}+offset. - - BUG: it may be smarter to have a single pointer off to various different - notes for different frag kinds. See how code pans. */ - -struct frag { - /* Object file address (as an octet offset). */ - addressT fr_address; - /* When relaxing multiple times, remember the address the frag had - in the last relax pass. */ - addressT last_fr_address; - - /* (Fixed) number of octets we know we have. May be 0. */ - offsetT fr_fix; - /* May be used for (Variable) number of octets after above. - The generic frag handling code no longer makes any use of fr_var. */ - offsetT fr_var; - /* For variable-length tail. */ - offsetT fr_offset; - /* For variable-length tail. */ - symbolS *fr_symbol; - /* Points to opcode low addr byte, for relaxation. */ - char *fr_opcode; - - /* Chain forward; ascending address order. Rooted in frch_root. */ - struct frag *fr_next; - - /* Where the frag was created, or where it became a variant frag. */ - char *fr_file; - unsigned int fr_line; - -#ifndef NO_LISTING - struct list_info_struct *line; -#endif - - /* Flipped each relax pass so we can easily determine whether - fr_address has been adjusted. */ - unsigned int relax_marker:1; - - /* Used to ensure that all insns are emitted on proper address - boundaries. */ - unsigned int has_code:1; - unsigned int insn_addr:6; - - /* What state is my tail in? */ - relax_stateT fr_type; - relax_substateT fr_subtype; - -#ifdef USING_CGEN - /* Don't include this unless using CGEN to keep frag size down. */ - struct { - /* CGEN_INSN entry for this instruction. */ - const struct cgen_insn *insn; - /* Index into operand table. */ - int opindex; - /* Target specific data, usually reloc number. */ - int opinfo; - } fr_cgen; -#endif - -#ifdef TC_FRAG_TYPE - TC_FRAG_TYPE tc_frag_data; -#endif - - /* Data begins here. */ - char fr_literal[1]; -}; - -#define SIZEOF_STRUCT_FRAG \ -((char *) zero_address_frag.fr_literal - (char *) &zero_address_frag) -/* We want to say fr_literal[0] above. */ - -/* Current frag we are building. This frag is incomplete. It is, - however, included in frchain_now. The fr_fix field is bogus; - instead, use frag_now_fix (). */ -COMMON fragS *frag_now; -extern addressT frag_now_fix (void); -extern addressT frag_now_fix_octets (void); - -/* For foreign-segment symbol fixups. */ -COMMON fragS zero_address_frag; -/* For local common (N_BSS segment) fixups. */ -COMMON fragS bss_address_frag; - -extern void frag_append_1_char (int); -#define FRAG_APPEND_1_CHAR(X) frag_append_1_char (X) - -void frag_init (void); -fragS *frag_alloc (struct obstack *); -void frag_grow (unsigned int nchars); -char *frag_more (int nchars); -void frag_align (int alignment, int fill_character, int max); -void frag_align_pattern (int alignment, const char *fill_pattern, - int n_fill, int max); -void frag_align_code (int alignment, int max); -void frag_new (int old_frags_var_max_size); -void frag_wane (fragS * fragP); -int frag_room (void); - -char *frag_variant (relax_stateT type, - int max_chars, - int var, - relax_substateT subtype, - symbolS * symbol, - offsetT offset, - char *opcode); - -char *frag_var (relax_stateT type, - int max_chars, - int var, - relax_substateT subtype, - symbolS * symbol, - offsetT offset, - char *opcode); - -bfd_boolean frag_offset_fixed_p (fragS *, fragS *, bfd_vma *); - -#endif /* FRAGS_H */ |