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cdaa5616cb
* config/tc-i386.h (OBJ_MACH_O): New section. (TC_FORCE_RELOCATION): Use obj_mach_o_force_reloc. (TC_FORCE_RELOCATION_SUB_SAME): New (TC_FORCE_RELOCATION_SUB_LOCAL): New. (TC_VALIDATE_FIX_SUB): New. * frags.h (struct frag): OBJ_FRAG_TYPE, new field. * symbols.c (colon): obj_frob_colon: New hook. * write.c (write_object_file): md_pre_relax_hook, new hook. * config/obj-macho.c (obj_mach_o_frob_colon): New. (obj_mach_o_frob_label): Record sub-section labels. (obj_mach_o_frob_symbol): Rename from obj_macho_frob_symbol. (obj_mach_o_set_subsections): New. (obj_mach_o_pre_relax_hook): New. (obj_mach_o_in_different_subsection): New. (obj_mach_o_force_reloc_sub_same): New. (obj_mach_o_force_reloc_sub_local): New. (obj_mach_o_force_reloc): New. * config/obj-macho.h (OBJ_SYMFIELD_TYPE): New. (obj_frob_colon): New Define. (obj_mach_o_frob_label): Renamed. (obj_mach_o_frob_symbol): Renamed. (OBJ_FRAG_TYPE): New. (obj_mach_o_in_different_subsection, obj_mach_o_force_reloc, obj_mach_o_force_reloc_sub_same, obj_mach_o_force_reloc_sub_local): New declarations.
117 lines
3.9 KiB
C
117 lines
3.9 KiB
C
/* Mach-O object file format for gas, the assembler.
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Copyright 2009, 2011, 2012 Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 3,
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or (at your option) any later version.
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GAS is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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#ifndef _OBJ_MACH_O_H
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#define _OBJ_MACH_O_H
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/* Tag to validate Mach-O object file format processing */
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#define OBJ_MACH_O 1
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#include "bfd/mach-o.h"
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#include "targ-cpu.h"
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#define OUTPUT_FLAVOR bfd_target_mach_o_flavour
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/* We want to control how the sections are pre-defined on startup. */
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#define obj_begin() mach_o_begin ()
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extern void mach_o_begin (void);
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/* All our align expressions are power of two. */
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#define USE_ALIGN_PTWO 1
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/* Common symbols can carry alignment information. */
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#ifndef S_SET_ALIGN
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#define S_SET_ALIGN(S,V) do {\
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bfd_mach_o_asymbol *___s = (bfd_mach_o_asymbol *) symbol_get_bfdsym (S);\
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___s->n_desc = (___s->n_desc & 0xf0ff) | (((V) & 0x0f) << 8);\
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} while (0)
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#endif
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extern const pseudo_typeS mach_o_pseudo_table[];
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#ifndef obj_pop_insert
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#define obj_pop_insert() pop_insert (mach_o_pseudo_table)
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#endif
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#define obj_sec_sym_ok_for_reloc(SEC) 1
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#define obj_read_begin_hook() {;}
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#define obj_symbol_new_hook(s) {;}
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#define EMIT_SECTION_SYMBOLS 0
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struct obj_mach_o_symbol_data
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{
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/* If the symbol represents a subsection, this is the size of the subsection.
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This is used to check whether a local symbol belongs to a subsection. */
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valueT subsection_size;
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};
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#define OBJ_SYMFIELD_TYPE struct obj_mach_o_symbol_data
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#define obj_frob_colon obj_mach_o_frob_colon
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extern void obj_mach_o_frob_colon (const char *);
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/* Called when a label is defined. Mach-O uses this to create subsections. */
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#define obj_frob_label obj_mach_o_frob_label
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extern void obj_mach_o_frob_label (symbolS *);
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#define obj_frob_symbol(s, punt) punt = obj_mach_o_frob_symbol(s)
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extern int obj_mach_o_frob_symbol (struct symbol *);
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#define OBJ_PROCESS_STAB(SEG,W,S,T,O,D) obj_mach_o_process_stab(W,S,T,O,D)
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extern void obj_mach_o_process_stab (int, const char *,int, int, int);
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struct obj_mach_o_frag_data
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{
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/* Symbol that corresponds to the subsection. */
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symbolS *subsection;
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};
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#define OBJ_FRAG_TYPE struct obj_mach_o_frag_data
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#define md_pre_relax_hook obj_mach_o_pre_relax_hook()
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extern void obj_mach_o_pre_relax_hook (void);
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#define md_post_relax_hook obj_mach_o_post_relax_hook()
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extern void obj_mach_o_post_relax_hook (void);
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#define obj_frob_file_after_relocs obj_mach_o_frob_file_after_relocs
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extern void obj_mach_o_frob_file_after_relocs (void);
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#define SET_SECTION_RELOCS(sec, relocs, n) \
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obj_mach_o_reorder_section_relocs (sec, relocs, n)
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extern void obj_mach_o_reorder_section_relocs (asection *, arelent **,
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unsigned int);
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/* Emit relocs for local subtracts, to cater for subsections-via-symbols. */
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#define md_allow_local_subtract(LEFT, RIGHT, SECTION) \
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obj_mach_o_allow_local_subtract (LEFT, RIGHT, SECTION)
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extern int obj_mach_o_allow_local_subtract (expressionS *, expressionS *,
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segT);
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struct fix;
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extern int obj_mach_o_in_different_subsection (symbolS *a, symbolS *b);
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extern int obj_mach_o_force_reloc (struct fix *fix);
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extern int obj_mach_o_force_reloc_sub_same (struct fix *fix, segT seg);
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extern int obj_mach_o_force_reloc_sub_local (struct fix *fix, segT seg);
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#endif /* _OBJ_MACH_O_H */
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