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/* Mach-O object file format for gas, the assembler.
Copyright 2009, 2011, 2012 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 3,
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 _OBJ_MACH_O_H
#define _OBJ_MACH_O_H
/* Tag to validate Mach-O object file format processing */
#define OBJ_MACH_O 1
#include "bfd/mach-o.h"
#include "targ-cpu.h"
#define OUTPUT_FLAVOR bfd_target_mach_o_flavour
/* We want to control how the sections are pre-defined on startup. */
#define obj_begin() mach_o_begin ()
extern void mach_o_begin (void);
/* All our align expressions are power of two. */
#define USE_ALIGN_PTWO 1
/* Common symbols can carry alignment information. */
#ifndef S_SET_ALIGN
#define S_SET_ALIGN(S,V) do {\
bfd_mach_o_asymbol *___s = (bfd_mach_o_asymbol *) symbol_get_bfdsym (S);\
___s->n_desc = (___s->n_desc & 0xf0ff) | (((V) & 0x0f) << 8);\
} while (0)
#endif
extern const pseudo_typeS mach_o_pseudo_table[];
#ifndef obj_pop_insert
#define obj_pop_insert() pop_insert (mach_o_pseudo_table)
#endif
#define obj_sec_sym_ok_for_reloc(SEC) 1
#define obj_read_begin_hook() {;}
#define obj_symbol_new_hook(s) {;}
#define EMIT_SECTION_SYMBOLS 0
struct obj_mach_o_symbol_data
{
/* If the symbol represents a subsection, this is the size of the subsection.
This is used to check whether a local symbol belongs to a subsection. */
valueT subsection_size;
};
#define OBJ_SYMFIELD_TYPE struct obj_mach_o_symbol_data
#define obj_frob_colon obj_mach_o_frob_colon
extern void obj_mach_o_frob_colon (const char *);
/* Called when a label is defined. Mach-O uses this to create subsections. */
#define obj_frob_label obj_mach_o_frob_label
extern void obj_mach_o_frob_label (symbolS *);
#define obj_frob_symbol(s, punt) punt = obj_mach_o_frob_symbol(s)
extern int obj_mach_o_frob_symbol (struct symbol *);
#define OBJ_PROCESS_STAB(SEG,W,S,T,O,D) obj_mach_o_process_stab(W,S,T,O,D)
extern void obj_mach_o_process_stab (int, const char *,int, int, int);
struct obj_mach_o_frag_data
{
/* Symbol that corresponds to the subsection. */
symbolS *subsection;
};
#define OBJ_FRAG_TYPE struct obj_mach_o_frag_data
#define md_pre_relax_hook obj_mach_o_pre_relax_hook()
extern void obj_mach_o_pre_relax_hook (void);
#define md_post_relax_hook obj_mach_o_post_relax_hook()
extern void obj_mach_o_post_relax_hook (void);
#define obj_frob_file_after_relocs obj_mach_o_frob_file_after_relocs
extern void obj_mach_o_frob_file_after_relocs (void);
#define SET_SECTION_RELOCS(sec, relocs, n) \
obj_mach_o_reorder_section_relocs (sec, relocs, n)
extern void obj_mach_o_reorder_section_relocs (asection *, arelent **,
unsigned int);
/* Emit relocs for local subtracts, to cater for subsections-via-symbols. */
#define md_allow_local_subtract(LEFT, RIGHT, SECTION) \
obj_mach_o_allow_local_subtract (LEFT, RIGHT, SECTION)
extern int obj_mach_o_allow_local_subtract (expressionS *, expressionS *,
segT);
struct fix;
extern int obj_mach_o_in_different_subsection (symbolS *a, symbolS *b);
extern int obj_mach_o_force_reloc (struct fix *fix);
extern int obj_mach_o_force_reloc_sub_same (struct fix *fix, segT seg);
extern int obj_mach_o_force_reloc_sub_local (struct fix *fix, segT seg);
#endif /* _OBJ_MACH_O_H */
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