[binutils.git] / bfd / libaout.h

/* BFD back-end data structures for a.out (and similar) files.
   Copyright (C) 1990-1991 Free Software Foundation, Inc.
   Written by Cygnus Support.

This file is part of BFD, the Binary File Descriptor library.

This program 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 of the License, or
(at your option) any later version.

This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

/* We try to encapsulate the differences in the various a.out file
   variants in a few routines, and otherwise share large masses of code.
   This means we only have to fix bugs in one place, most of the time.  */

/* $Id$ */

#ifdef __STDC__
#define CAT3(a,b,c) a##b##c
#else
#define CAT3(a,b,c) a/**/b/**/c
#endif

/* Parameterize the a.out code based on whether it is being built
   for a 32-bit architecture or a 64-bit architecture.  */
#if ARCH_SIZE==64
#define GET_WORD bfd_h_get_64
#define GET_SWORD (int64_type)GET_WORD
#define PUT_WORD bfd_h_put_64
#define NAME(x,y) CAT3(x,_64_,y)
#define JNAME(x) CAT(x,_64)
#define BYTES_IN_WORD 8
#else
#define GET_WORD bfd_h_get_32
#define GET_SWORD (int32_type)GET_WORD
#define PUT_WORD bfd_h_put_32
#define NAME(x,y) CAT3(x,_32_,y)
#define JNAME(x) CAT(x,_32)
#define BYTES_IN_WORD 4
#endif

/* Declare these types at file level, since they are used in parameter
   lists, which have wierd scope.  */
struct external_exec;
struct internal_exec;

/* Back-end information for various a.out targets.  */
struct aout_backend_data
{
  /* Are ZMAGIC files mapped contiguously?  If so, the text section may
     need more padding, if the segment size (granularity for memory access
     control) is larger than the page size.  */
  unsigned char zmagic_mapped_contiguous : 1;
  /* If this flag is set, ZMAGIC/NMAGIC file headers get mapped in with the
     text section, which starts immediately after the file header.
     If not, the text section starts on the next page.  */
  unsigned char text_includes_header : 1;

  /* If the text section VMA isn't specified, and we need an absolute
     address, use this as the default.  If we're producing a relocatable
     file, zero is always used.  */
  /* ?? Perhaps a callback would be a better choice?  Will this do anything
     reasonable for a format that handles multiple CPUs with different
     load addresses for each?  */
  bfd_vma default_text_vma;
};
#define aout_backend_info(abfd) \
	((CONST struct aout_backend_data *)((abfd)->xvec->backend_data))

/* This is the layout in memory of a "struct exec" while we process it.
   All 'lengths' are given as a number of bytes.
   All 'alignments' are for relinkable files only;  an alignment of
	'n' indicates the corresponding segment must begin at an
	address that is a multiple of (2**n).  */

struct internal_exec
{
    long a_info;		/* Magic number and flags, packed */
    bfd_vma a_text;		/* length of text, in bytes  */
    bfd_vma a_data;		/* length of data, in bytes  */
    bfd_vma a_bss;		/* length of uninitialized data area in mem */
    bfd_vma a_syms;		/* length of symbol table data in file */
    bfd_vma a_entry;		/* start address */
    bfd_vma a_trsize;		/* length of text's relocation info, in bytes */
    bfd_vma a_drsize;		/* length of data's relocation info, in bytes */
    /* Added for i960 */
    bfd_vma a_tload;		/* Text runtime load address */
    bfd_vma a_dload;		/* Data runtime load address */
    unsigned char a_talign;	/* Alignment of text segment */
    unsigned char a_dalign;	/* Alignment of data segment */
    unsigned char a_balign;	/* Alignment of bss segment */
};

/* Magic number is written 
< MSB        >
3130292827262524232221201918171615141312111009080706050403020100
< FLAGS      >< MACHINE TYPE ><  MAGIC NUMBER		       >
*/
enum machine_type {
  M_UNKNOWN = 0,
  M_68010 = 1,
  M_68020 = 2,
  M_SPARC = 3,
  /* skip a bunch so we dont run into any of suns numbers */
  M_386 = 100,
  M_29K = 101,
  M_HP200 = 200,	/* HP 200 (68010) BSD binary */
  M_HP300 = (300 % 256), /* HP 300 (68020+68881) BSD binary */
  M_HPUX = (0x20c % 256)/* HP 200/300 HPUX binary */
};

#define N_DYNAMIC(exec) ((exec).a_info & 0x8000000)

#define N_MAGIC(exec) ((exec).a_info & 0xffff)
#define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff))
#define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff)
#define N_SET_INFO(exec, magic, type, flags) \
((exec).a_info = ((magic) & 0xffff) \
 | (((int)(type) & 0xff) << 16) \
 | (((flags) & 0xff) << 24))

#define N_SET_MAGIC(exec, magic) \
((exec).a_info = (((exec).a_info & 0xffff0000) | ((magic) & 0xffff)))

#define N_SET_MACHTYPE(exec, machtype) \
((exec).a_info = \
 ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16))

#define N_SET_FLAGS(exec, flags) \
((exec).a_info = \
 ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24))

typedef struct aout_symbol {
  asymbol symbol;
  short desc;
  char other;
  unsigned char type;
} aout_symbol_type;

/* The `tdata' struct for all a.out-like object file formats.
   Various things depend on this struct being around any time an a.out
   file is being handled.  An example is dbxread.c in GDB.  */

struct aoutdata {
  struct internal_exec *hdr;		/* exec file header */
  aout_symbol_type *symbols;		/* symtab for input bfd */
  
  /* For ease, we do this */
  asection *textsec;
  asection *datasec;
  asection *bsssec;

  /* We remember these offsets so that after check_file_format, we have
     no dependencies on the particular format of the exec_hdr.  */
  file_ptr sym_filepos;
  file_ptr str_filepos;

  /* Size of a relocation entry in external form */
  unsigned reloc_entry_size;

  /* Size of a symbol table entry in external form */
  unsigned symbol_entry_size;

  /* Page size - needed for alignment of demand paged files. */
  unsigned long page_size;

  /* Segment size - needed for alignment of demand paged files. */
  unsigned long segment_size;

  unsigned exec_bytes_size;
  unsigned vma_adjusted : 1;

  enum {
    undecided_magic = 0,
    z_magic,
    o_magic,
    n_magic } magic;
};

struct  aout_data_struct {
    struct aoutdata a;
    struct internal_exec e;
};

#define	adata(bfd)		((bfd)->tdata.aout_data->a)
#define	exec_hdr(bfd)		(adata(bfd).hdr)
#define	obj_aout_symbols(bfd)	(adata(bfd).symbols)
#define	obj_textsec(bfd)	(adata(bfd).textsec)
#define	obj_datasec(bfd)	(adata(bfd).datasec)
#define	obj_bsssec(bfd)		(adata(bfd).bsssec)
#define	obj_sym_filepos(bfd)	(adata(bfd).sym_filepos)
#define	obj_str_filepos(bfd)	(adata(bfd).str_filepos)
#define	obj_reloc_entry_size(bfd) (adata(bfd).reloc_entry_size)
#define	obj_symbol_entry_size(bfd) (adata(bfd).symbol_entry_size)

/* We take the address of the first element of an asymbol to ensure that the
   macro is only ever applied to an asymbol */
#define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd))

/* Prototype declarations for functions defined in aoutx.h  */

PROTO (boolean, NAME(aout,squirt_out_relocs),(bfd *abfd, asection *section));

PROTO (bfd_target *, NAME(aout,some_aout_object_p), (bfd *abfd,
					  struct internal_exec *execp,
					  bfd_target *(*callback)()));
PROTO (boolean,	NAME(aout,mkobject), (bfd *abfd));
PROTO (enum machine_type, NAME(aout,machine_type), (enum bfd_architecture arch,
						unsigned long machine));
PROTO (boolean,	NAME(aout,set_arch_mach), (bfd *abfd, enum bfd_architecture arch,
						unsigned long machine));

PROTO (boolean,	NAME(aout,new_section_hook), (bfd *abfd, asection *newsect));
PROTO (boolean, NAME(aout,set_section_contents), (bfd *abfd, sec_ptr section,
			 PTR location, file_ptr offset, bfd_size_type count));

PROTO (asymbol *,NAME(aout,make_empty_symbol), (bfd *abfd));
PROTO (boolean,	NAME(aout,slurp_symbol_table), (bfd *abfd));
PROTO (void,	NAME(aout,write_syms), (bfd *abfd));
PROTO (void,	NAME(aout,reclaim_symbol_table), (bfd *abfd));
PROTO (unsigned int, NAME(aout,get_symtab_upper_bound), (bfd *abfd));
PROTO (unsigned int, NAME(aout,get_symtab), (bfd *abfd, asymbol **location));
PROTO (boolean,	NAME(aout,slurp_reloc_table), (bfd *abfd, sec_ptr asect,
					 asymbol **symbols));
PROTO (unsigned int, NAME(aout,canonicalize_reloc), (bfd *abfd, sec_ptr section,
					 arelent **relptr, asymbol **symbols));
PROTO (unsigned int, NAME(aout,get_reloc_upper_bound), (bfd *abfd, sec_ptr asect));
PROTO (void,	NAME(aout,reclaim_reloc), (bfd *ignore_abfd, sec_ptr ignore));
PROTO (alent *,	NAME(aout,get_lineno), (bfd *ignore_abfd, asymbol *ignore_symbol));
PROTO (void,	NAME(aout,print_symbol), (bfd *ignore_abfd, PTR file,
			    asymbol *symbol, bfd_print_symbol_type how));
PROTO (boolean,	NAME(aout,close_and_cleanup), (bfd *abfd));
PROTO (boolean,	NAME(aout,find_nearest_line), (bfd *abfd, asection *section,
      asymbol **symbols, bfd_vma offset, CONST char **filename_ptr,
      CONST char **functionname_ptr, unsigned int *line_ptr));
PROTO (int,	NAME(aout,sizeof_headers), (bfd *abfd, boolean exec));

PROTO (void,	NAME(aout,swap_exec_header_in), (bfd *abfd,
			 struct external_exec *raw_bytes, struct internal_exec *execp));

PROTO (void,	NAME(aout,swap_exec_header_out),(bfd *abfd, struct internal_exec *execp,
			 struct external_exec *raw_bytes));

/* Prototypes for functions in stab-syms.c. */

PROTO(char *, aout_stab_name, (int code));

/* A.out uses the generic versions of these routines... */

#define	aout_32_get_section_contents	bfd_generic_get_section_contents
#define	aout_32_close_and_cleanup	bfd_generic_close_and_cleanup

#define	aout_64_get_section_contents	bfd_generic_get_section_contents
#define	aout_64_close_and_cleanup	bfd_generic_close_and_cleanup
#ifndef NO_WRITE_HEADER_KLUDGE
#define NO_WRITE_HEADER_KLUDGE 0
#endif

#ifndef WRITE_HEADERS
#define WRITE_HEADERS(abfd, execp)					      \
      {									      \
	bfd_size_type text_size; /* dummy vars */			      \
	file_ptr text_end;						      \
	if (adata(abfd).magic == undecided_magic)			      \
	  NAME(aout,adjust_sizes_and_vmas) (abfd, &text_size, &text_end);     \
    									      \
	execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE;	      \
	execp->a_entry = bfd_get_start_address (abfd);			      \
    									      \
	execp->a_trsize = ((obj_textsec (abfd)->reloc_count) *		      \
			   obj_reloc_entry_size (abfd));		      \
	execp->a_drsize = ((obj_datasec (abfd)->reloc_count) *		      \
			   obj_reloc_entry_size (abfd));		      \
	NAME(aout,swap_exec_header_out) (abfd, execp, &exec_bytes);	      \
									      \
	bfd_seek (abfd, 0L, false);					      \
	bfd_write ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd);	      \
	/* Now write out reloc info, followed by syms and strings */	      \
  									      \
	if (bfd_get_symcount (abfd) != 0) 				      \
	    {								      \
	      bfd_seek (abfd,						      \
			(long)(N_SYMOFF(*execp)), false);		      \
									      \
	      NAME(aout,write_syms)(abfd);				      \
									      \
	      bfd_seek (abfd,	(long)(N_TRELOFF(*execp)), false);	      \
									      \
	      if (!NAME(aout,squirt_out_relocs) (abfd, obj_textsec (abfd))) return false; \
	      bfd_seek (abfd, (long)(N_DRELOFF(*execp)), false);	      \
									      \
	      if (!NAME(aout,squirt_out_relocs)(abfd, obj_datasec (abfd))) return false; \
	    }								      \
      }									      
#endif
Commit	Line	Data
69ebee86	1	/* BFD back-end data structures for a.out (and similar) files.
9e2dad8e JG	2	Copyright (C) 1990-1991 Free Software Foundation, Inc.
9e2dad8e JG	3	Written by Cygnus Support.
69ebee86	4
9e2dad8e	5	This file is part of BFD, the Binary File Descriptor library.
69ebee86	6
9e2dad8e	7	This program is free software; you can redistribute it and/or modify
4a81b561	8	it under the terms of the GNU General Public License as published by
9e2dad8e JG	9	the Free Software Foundation; either version 2 of the License, or
9e2dad8e JG	10	(at your option) any later version.
4a81b561	11
9e2dad8e	12	This program is distributed in the hope that it will be useful,
4a81b561 DHW	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
9e2dad8e JG	18	along with this program; if not, write to the Free Software
	19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
	20
	21	/* We try to encapsulate the differences in the various a.out file
	22	variants in a few routines, and otherwise share large masses of code.
	23	This means we only have to fix bugs in one place, most of the time. */
4a81b561 DHW	24
	25	/* $Id$ */
	26
c0e5039e JG	27	#ifdef __STDC__
	28	#define CAT3(a,b,c) a##b##c
	29	#else
	30	#define CAT3(a,b,c) a//b//c
	31	#endif
	32
359f1dee JG	33	/* Parameterize the a.out code based on whether it is being built
359f1dee JG	34	for a 32-bit architecture or a 64-bit architecture. */
c0e5039e JG	35	#if ARCH_SIZE==64
	36	#define GET_WORD bfd_h_get_64
	37	#define GET_SWORD (int64_type)GET_WORD
	38	#define PUT_WORD bfd_h_put_64
	39	#define NAME(x,y) CAT3(x,_64_,y)
	40	#define JNAME(x) CAT(x,_64)
	41	#define BYTES_IN_WORD 8
	42	#else
	43	#define GET_WORD bfd_h_get_32
	44	#define GET_SWORD (int32_type)GET_WORD
	45	#define PUT_WORD bfd_h_put_32
	46	#define NAME(x,y) CAT3(x,_32_,y)
	47	#define JNAME(x) CAT(x,_32)
	48	#define BYTES_IN_WORD 4
	49	#endif
	50
9e2dad8e JG	51	/* Declare these types at file level, since they are used in parameter
	52	lists, which have wierd scope. */
	53	struct external_exec;
	54	struct internal_exec;
	55
ce07dd7c KR	56	/* Back-end information for various a.out targets. */
	57	struct aout_backend_data
	58	{
	59	/* Are ZMAGIC files mapped contiguously? If so, the text section may
	60	need more padding, if the segment size (granularity for memory access
	61	control) is larger than the page size. */
	62	unsigned char zmagic_mapped_contiguous : 1;
	63	/* If this flag is set, ZMAGIC/NMAGIC file headers get mapped in with the
	64	text section, which starts immediately after the file header.
	65	If not, the text section starts on the next page. */
	66	unsigned char text_includes_header : 1;
	67
	68	/* If the text section VMA isn't specified, and we need an absolute
	69	address, use this as the default. If we're producing a relocatable
	70	file, zero is always used. */
	71	/* ?? Perhaps a callback would be a better choice? Will this do anything
	72	reasonable for a format that handles multiple CPUs with different
	73	load addresses for each? */
	74	bfd_vma default_text_vma;
	75	};
	76	#define aout_backend_info(abfd) \
	77	((CONST struct aout_backend_data *)((abfd)->xvec->backend_data))
	78
0fa4f690 JG	79	/* This is the layout in memory of a "struct exec" while we process it.
	80	All 'lengths' are given as a number of bytes.
	81	All 'alignments' are for relinkable files only; an alignment of
	82	'n' indicates the corresponding segment must begin at an
	83	address that is a multiple of (2*n). /
	84
	85	struct internal_exec
	86	{
	87	long a_info; /* Magic number and flags, packed */
	88	bfd_vma a_text; /* length of text, in bytes */
	89	bfd_vma a_data; /* length of data, in bytes */
	90	bfd_vma a_bss; /* length of uninitialized data area in mem */
	91	bfd_vma a_syms; /* length of symbol table data in file */
	92	bfd_vma a_entry; /* start address */
	93	bfd_vma a_trsize; /* length of text's relocation info, in bytes */
	94	bfd_vma a_drsize; /* length of data's relocation info, in bytes */
	95	/* Added for i960 */
	96	bfd_vma a_tload; /* Text runtime load address */
	97	bfd_vma a_dload; /* Data runtime load address */
	98	unsigned char a_talign; /* Alignment of text segment */
	99	unsigned char a_dalign; /* Alignment of data segment */
	100	unsigned char a_balign; /* Alignment of bss segment */
	101	};
	102
	103	/* Magic number is written
	104	< MSB >
	105	3130292827262524232221201918171615141312111009080706050403020100
	106	< FLAGS >< MACHINE TYPE >< MAGIC NUMBER >
	107	*/
	108	enum machine_type {
	109	M_UNKNOWN = 0,
	110	M_68010 = 1,
	111	M_68020 = 2,
	112	M_SPARC = 3,
	113	/* skip a bunch so we dont run into any of suns numbers */
	114	M_386 = 100,
	115	M_29K = 101,
	116	M_HP200 = 200, /* HP 200 (68010) BSD binary */
	117	M_HP300 = (300 % 256), /* HP 300 (68020+68881) BSD binary */
ce07dd7c	118	M_HPUX = (0x20c % 256)/* HP 200/300 HPUX binary */
0fa4f690 JG	119	};
	120
	121	#define N_DYNAMIC(exec) ((exec).a_info & 0x8000000)
	122
	123	#define N_MAGIC(exec) ((exec).a_info & 0xffff)
	124	#define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff))
	125	#define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff)
	126	#define N_SET_INFO(exec, magic, type, flags) \
	127	((exec).a_info = ((magic) & 0xffff) \
	128	\| (((int)(type) & 0xff) << 16) \
	129	\| (((flags) & 0xff) << 24))
	130
	131	#define N_SET_MAGIC(exec, magic) \
	132	((exec).a_info = (((exec).a_info & 0xffff0000) \| ((magic) & 0xffff)))
	133
	134	#define N_SET_MACHTYPE(exec, machtype) \
	135	((exec).a_info = \
	136	((exec).a_info&0xff00ffff) \| ((((int)(machtype))&0xff) << 16))
	137
	138	#define N_SET_FLAGS(exec, flags) \
	139	((exec).a_info = \
	140	((exec).a_info&0x00ffffff) \| (((flags) & 0xff) << 24))
	141
69ebee86	142	typedef struct aout_symbol {
4a81b561 DHW	143	asymbol symbol;
4a81b561 DHW	144	short desc;
69ebee86 JG	145	char other;
69ebee86 JG	146	unsigned char type;
4a81b561 DHW	147	} aout_symbol_type;
4a81b561 DHW	148
0fa4f690 JG	149	/* The `tdata' struct for all a.out-like object file formats.
	150	Various things depend on this struct being around any time an a.out
	151	file is being handled. An example is dbxread.c in GDB. */
	152
69ebee86	153	struct aoutdata {
0fa4f690	154	struct internal_exec hdr; / exec file header */
4a81b561	155	aout_symbol_type symbols; / symtab for input bfd */
4a81b561 DHW	156
	157	/* For ease, we do this */
	158	asection *textsec;
	159	asection *datasec;
	160	asection *bsssec;
	161
	162	/* We remember these offsets so that after check_file_format, we have
	163	no dependencies on the particular format of the exec_hdr. */
	164	file_ptr sym_filepos;
	165	file_ptr str_filepos;
4a81b561	166
0fa4f690	167	/* Size of a relocation entry in external form */
69ebee86	168	unsigned reloc_entry_size;
4a81b561	169
0fa4f690 JG	170	/* Size of a symbol table entry in external form */
0fa4f690 JG	171	unsigned symbol_entry_size;
4a81b561	172
0fa4f690 JG	173	/* Page size - needed for alignment of demand paged files. */
0fa4f690 JG	174	unsigned long page_size;
4a81b561	175
0fa4f690 JG	176	/* Segment size - needed for alignment of demand paged files. */
0fa4f690 JG	177	unsigned long segment_size;
4a81b561	178
0fa4f690	179	unsigned exec_bytes_size;
ce07dd7c KR	180	unsigned vma_adjusted : 1;
	181
	182	enum {
	183	undecided_magic = 0,
	184	z_magic,
	185	o_magic,
	186	n_magic } magic;
0fa4f690	187	};
4a81b561	188
ce07dd7c KR	189	struct aout_data_struct {
	190	struct aoutdata a;
	191	struct internal_exec e;
	192	};
	193
	194	#define adata(bfd) ((bfd)->tdata.aout_data->a)
	195	#define exec_hdr(bfd) (adata(bfd).hdr)
	196	#define obj_aout_symbols(bfd) (adata(bfd).symbols)
	197	#define obj_textsec(bfd) (adata(bfd).textsec)
	198	#define obj_datasec(bfd) (adata(bfd).datasec)
	199	#define obj_bsssec(bfd) (adata(bfd).bsssec)
	200	#define obj_sym_filepos(bfd) (adata(bfd).sym_filepos)
	201	#define obj_str_filepos(bfd) (adata(bfd).str_filepos)
	202	#define obj_reloc_entry_size(bfd) (adata(bfd).reloc_entry_size)
	203	#define obj_symbol_entry_size(bfd) (adata(bfd).symbol_entry_size)
69ebee86	204
0fa4f690 JG	205	/* We take the address of the first element of an asymbol to ensure that the
	206	macro is only ever applied to an asymbol */
	207	#define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd))
69ebee86	208
c0e5039e	209	/* Prototype declarations for functions defined in aoutx.h */
69ebee86	210
c0e5039e	211	PROTO (boolean, NAME(aout,squirt_out_relocs),(bfd abfd, asection section));
69ebee86	212
c0e5039e	213	PROTO (bfd_target , NAME(aout,some_aout_object_p), (bfd abfd,
0fa4f690	214	struct internal_exec *execp,
69ebee86	215	bfd_target (callback)()));
c0e5039e JG	216	PROTO (boolean, NAME(aout,mkobject), (bfd *abfd));
c0e5039e JG	217	PROTO (enum machine_type, NAME(aout,machine_type), (enum bfd_architecture arch,
69ebee86	218	unsigned long machine));
c0e5039e	219	PROTO (boolean, NAME(aout,set_arch_mach), (bfd *abfd, enum bfd_architecture arch,
69ebee86 JG	220	unsigned long machine));
69ebee86 JG	221
c0e5039e JG	222	PROTO (boolean, NAME(aout,new_section_hook), (bfd abfd, asection newsect));
	223	PROTO (boolean, NAME(aout,set_section_contents), (bfd *abfd, sec_ptr section,
	224	PTR location, file_ptr offset, bfd_size_type count));
	225
	226	PROTO (asymbol ,NAME(aout,make_empty_symbol), (bfd abfd));
	227	PROTO (boolean, NAME(aout,slurp_symbol_table), (bfd *abfd));
	228	PROTO (void, NAME(aout,write_syms), (bfd *abfd));
	229	PROTO (void, NAME(aout,reclaim_symbol_table), (bfd *abfd));
	230	PROTO (unsigned int, NAME(aout,get_symtab_upper_bound), (bfd *abfd));
	231	PROTO (unsigned int, NAME(aout,get_symtab), (bfd abfd, asymbol *location));
	232	PROTO (boolean, NAME(aout,slurp_reloc_table), (bfd *abfd, sec_ptr asect,
69ebee86	233	asymbol **symbols));
c0e5039e	234	PROTO (unsigned int, NAME(aout,canonicalize_reloc), (bfd *abfd, sec_ptr section,
69ebee86	235	arelent relptr, asymbol symbols));
c0e5039e JG	236	PROTO (unsigned int, NAME(aout,get_reloc_upper_bound), (bfd *abfd, sec_ptr asect));
	237	PROTO (void, NAME(aout,reclaim_reloc), (bfd *ignore_abfd, sec_ptr ignore));
	238	PROTO (alent , NAME(aout,get_lineno), (bfd ignore_abfd, asymbol *ignore_symbol));
	239	PROTO (void, NAME(aout,print_symbol), (bfd *ignore_abfd, PTR file,
9e2dad8e	240	asymbol *symbol, bfd_print_symbol_type how));
c0e5039e JG	241	PROTO (boolean, NAME(aout,close_and_cleanup), (bfd *abfd));
c0e5039e JG	242	PROTO (boolean, NAME(aout,find_nearest_line), (bfd abfd, asection section,
69ebee86 JG	243	asymbol symbols, bfd_vma offset, CONST char filename_ptr,
69ebee86 JG	244	CONST char *functionname_ptr, unsigned int line_ptr));
98d43107	245	PROTO (int, NAME(aout,sizeof_headers), (bfd *abfd, boolean exec));
69ebee86	246
c0e5039e JG	247	PROTO (void, NAME(aout,swap_exec_header_in), (bfd *abfd,
c0e5039e JG	248	struct external_exec raw_bytes, struct internal_exec execp));
69ebee86	249
c0e5039e JG	250	PROTO (void, NAME(aout,swap_exec_header_out),(bfd abfd, struct internal_exec execp,
c0e5039e JG	251	struct external_exec *raw_bytes));
69ebee86	252
7de245d3 PB	253	/* Prototypes for functions in stab-syms.c. */
	254
	255	PROTO(char *, aout_stab_name, (int code));
	256
69ebee86 JG	257	/* A.out uses the generic versions of these routines... */
69ebee86 JG	258
c0e5039e JG	259	#define aout_32_get_section_contents bfd_generic_get_section_contents
	260	#define aout_32_close_and_cleanup bfd_generic_close_and_cleanup
	261
	262	#define aout_64_get_section_contents bfd_generic_get_section_contents
	263	#define aout_64_close_and_cleanup bfd_generic_close_and_cleanup
ce07dd7c KR	264	#ifndef NO_WRITE_HEADER_KLUDGE
	265	#define NO_WRITE_HEADER_KLUDGE 0
	266	#endif
c0e5039e	267
ce07dd7c	268	#ifndef WRITE_HEADERS
c0e5039e JG	269	#define WRITE_HEADERS(abfd, execp) \
c0e5039e JG	270	{ \
ce07dd7c KR	271	bfd_size_type text_size; /* dummy vars */ \
	272	file_ptr text_end; \
	273	if (adata(abfd).magic == undecided_magic) \
	274	NAME(aout,adjust_sizes_and_vmas) (abfd, &text_size, &text_end); \
c0e5039e	275	\
0fa4f690	276	execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE; \
c0e5039e JG	277	execp->a_entry = bfd_get_start_address (abfd); \
	278	\
	279	execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * \
	280	obj_reloc_entry_size (abfd)); \
	281	execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * \
	282	obj_reloc_entry_size (abfd)); \
	283	NAME(aout,swap_exec_header_out) (abfd, execp, &exec_bytes); \
	284	\
	285	bfd_seek (abfd, 0L, false); \
	286	bfd_write ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd); \
	287	/* Now write out reloc info, followed by syms and strings */ \
	288	\
	289	if (bfd_get_symcount (abfd) != 0) \
	290	{ \
	291	bfd_seek (abfd, \
	292	(long)(N_SYMOFF(*execp)), false); \
	293	\
	294	NAME(aout,write_syms)(abfd); \
	295	\
	296	bfd_seek (abfd, (long)(N_TRELOFF(*execp)), false); \
	297	\
	298	if (!NAME(aout,squirt_out_relocs) (abfd, obj_textsec (abfd))) return false; \
	299	bfd_seek (abfd, (long)(N_DRELOFF(*execp)), false); \
	300	\
	301	if (!NAME(aout,squirt_out_relocs)(abfd, obj_datasec (abfd))) return false; \
	302	} \
	303	}
ce07dd7c	304	#endif