[deliverable/binutils-gdb.git] / bfd / libaout.h

/* BFD back-end data structures for a.out (and similar) files.
   Copyright 1990, 1991, 1992 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.  */

#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;
  /* 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;

  /* 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;

  /* Callback for setting the page and segment sizes, if they can't be
     trivially determined from the architecture.  */
  boolean (*set_sizes) PARAMS ((bfd *));

  /* zmagic files only. For go32, the length of the exec header contributes
     to the size of the text section in the file for alignment purposes but
     does *not* get counted in the length of the text section. */
  unsigned char exec_header_not_counted;
};
#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 */
    char a_relaxable;           /* Enough info for linker relax */
};

/* 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  */

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

bfd_target *
NAME(aout,some_aout_object_p) PARAMS ((bfd *abfd,
			struct internal_exec *execp,
			bfd_target * (*callback)(bfd *)));

boolean
NAME(aout,mkobject) PARAMS ((bfd *abfd));

enum machine_type
NAME(aout,machine_type) PARAMS ((enum bfd_architecture arch,
				 unsigned long machine));

boolean
NAME(aout,set_arch_mach) PARAMS ((bfd *abfd, enum bfd_architecture arch,
		 		  unsigned long machine));

boolean
NAME(aout,new_section_hook) PARAMS ((bfd *abfd, asection *newsect));

boolean
NAME(aout,set_section_contents) PARAMS ((bfd *abfd, sec_ptr section,
			 PTR location, file_ptr offset, bfd_size_type count));

asymbol *
NAME(aout,make_empty_symbol) PARAMS ((bfd *abfd));

boolean
NAME(aout,slurp_symbol_table) PARAMS ((bfd *abfd));

void
NAME(aout,write_syms) PARAMS ((bfd *abfd));

void
NAME(aout,reclaim_symbol_table) PARAMS ((bfd *abfd));

unsigned int
NAME(aout,get_symtab_upper_bound) PARAMS ((bfd *abfd));

unsigned int
NAME(aout,get_symtab) PARAMS ((bfd *abfd, asymbol **location));

boolean
NAME(aout,slurp_reloc_table) PARAMS ((bfd *abfd, sec_ptr asect,
				      asymbol **symbols));

unsigned int
NAME(aout,canonicalize_reloc) PARAMS ((bfd *abfd, sec_ptr section,
				       arelent **relptr, asymbol **symbols));

unsigned int
NAME(aout,get_reloc_upper_bound) PARAMS ((bfd *abfd, sec_ptr asect));

void
NAME(aout,reclaim_reloc) PARAMS ((bfd *ignore_abfd, sec_ptr ignore));

alent *
NAME(aout,get_lineno) PARAMS ((bfd *ignore_abfd, asymbol *ignore_symbol));

void
NAME(aout,print_symbol) PARAMS ((bfd *ignore_abfd, PTR file,
			    asymbol *symbol, bfd_print_symbol_type how));

boolean
NAME(aout,close_and_cleanup) PARAMS ((bfd *abfd));

boolean
NAME(aout,find_nearest_line) PARAMS ((bfd *abfd, asection *section,
      asymbol **symbols, bfd_vma offset, CONST char **filename_ptr,
      CONST char **functionname_ptr, unsigned int *line_ptr));

int
NAME(aout,sizeof_headers) PARAMS ((bfd *abfd, boolean exec));

boolean
NAME(aout,adjust_sizes_and_vmas) PARAMS ((bfd *abfd,
       bfd_size_type *text_size, file_ptr *text_end));

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

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

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

char *
aout_stab_name PARAMS ((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, (file_ptr) 0, SEEK_SET);			      \
	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, (file_ptr)(N_SYMOFF(*execp)), SEEK_SET);	      \
									      \
	      NAME(aout,write_syms)(abfd);				      \
									      \
	      bfd_seek (abfd, (file_ptr)(N_TRELOFF(*execp)), SEEK_SET);	      \
									      \
	      if (!NAME(aout,squirt_out_relocs) (abfd, obj_textsec (abfd))) return false; \
	      bfd_seek (abfd, (file_ptr)(N_DRELOFF(*execp)), SEEK_SET);	      \
									      \
	      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.
1f29e30b	2	Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
9e2dad8e	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	24
c0e5039e JG	25	#ifdef __STDC__
	26	#define CAT3(a,b,c) a##b##c
	27	#else
	28	#define CAT3(a,b,c) a//b//c
	29	#endif
	30
359f1dee JG	31	/* Parameterize the a.out code based on whether it is being built
359f1dee JG	32	for a 32-bit architecture or a 64-bit architecture. */
c0e5039e JG	33	#if ARCH_SIZE==64
	34	#define GET_WORD bfd_h_get_64
	35	#define GET_SWORD (int64_type)GET_WORD
	36	#define PUT_WORD bfd_h_put_64
	37	#define NAME(x,y) CAT3(x,_64_,y)
	38	#define JNAME(x) CAT(x,_64)
	39	#define BYTES_IN_WORD 8
	40	#else
	41	#define GET_WORD bfd_h_get_32
	42	#define GET_SWORD (int32_type)GET_WORD
	43	#define PUT_WORD bfd_h_put_32
	44	#define NAME(x,y) CAT3(x,_32_,y)
	45	#define JNAME(x) CAT(x,_32)
	46	#define BYTES_IN_WORD 4
	47	#endif
	48
9e2dad8e JG	49	/* Declare these types at file level, since they are used in parameter
	50	lists, which have wierd scope. */
	51	struct external_exec;
	52	struct internal_exec;
	53
ce07dd7c KR	54	/* Back-end information for various a.out targets. */
	55	struct aout_backend_data
	56	{
	57	/* Are ZMAGIC files mapped contiguously? If so, the text section may
	58	need more padding, if the segment size (granularity for memory access
	59	control) is larger than the page size. */
7f90aa8b	60	unsigned char zmagic_mapped_contiguous;
ce07dd7c KR	61	/* If this flag is set, ZMAGIC/NMAGIC file headers get mapped in with the
	62	text section, which starts immediately after the file header.
	63	If not, the text section starts on the next page. */
7f90aa8b	64	unsigned char text_includes_header;
ce07dd7c KR	65
	66	/* If the text section VMA isn't specified, and we need an absolute
	67	address, use this as the default. If we're producing a relocatable
	68	file, zero is always used. */
	69	/* ?? Perhaps a callback would be a better choice? Will this do anything
	70	reasonable for a format that handles multiple CPUs with different
	71	load addresses for each? */
	72	bfd_vma default_text_vma;
7f90aa8b ME	73
	74	/* Callback for setting the page and segment sizes, if they can't be
	75	trivially determined from the architecture. */
	76	boolean (set_sizes) PARAMS ((bfd ));
	77
	78	/* zmagic files only. For go32, the length of the exec header contributes
	79	to the size of the text section in the file for alignment purposes but
	80	does not get counted in the length of the text section. */
	81	unsigned char exec_header_not_counted;
ce07dd7c KR	82	};
	83	#define aout_backend_info(abfd) \
	84	((CONST struct aout_backend_data *)((abfd)->xvec->backend_data))
	85
0fa4f690 JG	86	/* This is the layout in memory of a "struct exec" while we process it.
	87	All 'lengths' are given as a number of bytes.
	88	All 'alignments' are for relinkable files only; an alignment of
	89	'n' indicates the corresponding segment must begin at an
	90	address that is a multiple of (2*n). /
	91
	92	struct internal_exec
	93	{
	94	long a_info; /* Magic number and flags, packed */
	95	bfd_vma a_text; /* length of text, in bytes */
	96	bfd_vma a_data; /* length of data, in bytes */
	97	bfd_vma a_bss; /* length of uninitialized data area in mem */
	98	bfd_vma a_syms; /* length of symbol table data in file */
	99	bfd_vma a_entry; /* start address */
	100	bfd_vma a_trsize; /* length of text's relocation info, in bytes */
	101	bfd_vma a_drsize; /* length of data's relocation info, in bytes */
	102	/* Added for i960 */
	103	bfd_vma a_tload; /* Text runtime load address */
	104	bfd_vma a_dload; /* Data runtime load address */
	105	unsigned char a_talign; /* Alignment of text segment */
	106	unsigned char a_dalign; /* Alignment of data segment */
	107	unsigned char a_balign; /* Alignment of bss segment */
7f90aa8b	108	char a_relaxable; /* Enough info for linker relax */
0fa4f690 JG	109	};
	110
	111	/* Magic number is written
	112	< MSB >
	113	3130292827262524232221201918171615141312111009080706050403020100
	114	< FLAGS >< MACHINE TYPE >< MAGIC NUMBER >
	115	*/
	116	enum machine_type {
	117	M_UNKNOWN = 0,
	118	M_68010 = 1,
	119	M_68020 = 2,
	120	M_SPARC = 3,
	121	/* skip a bunch so we dont run into any of suns numbers */
	122	M_386 = 100,
	123	M_29K = 101,
	124	M_HP200 = 200, /* HP 200 (68010) BSD binary */
	125	M_HP300 = (300 % 256), /* HP 300 (68020+68881) BSD binary */
ce07dd7c	126	M_HPUX = (0x20c % 256)/* HP 200/300 HPUX binary */
0fa4f690 JG	127	};
	128
	129	#define N_DYNAMIC(exec) ((exec).a_info & 0x8000000)
	130
	131	#define N_MAGIC(exec) ((exec).a_info & 0xffff)
	132	#define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff))
	133	#define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff)
	134	#define N_SET_INFO(exec, magic, type, flags) \
	135	((exec).a_info = ((magic) & 0xffff) \
	136	\| (((int)(type) & 0xff) << 16) \
	137	\| (((flags) & 0xff) << 24))
	138
	139	#define N_SET_MAGIC(exec, magic) \
	140	((exec).a_info = (((exec).a_info & 0xffff0000) \| ((magic) & 0xffff)))
	141
	142	#define N_SET_MACHTYPE(exec, machtype) \
	143	((exec).a_info = \
	144	((exec).a_info&0xff00ffff) \| ((((int)(machtype))&0xff) << 16))
	145
	146	#define N_SET_FLAGS(exec, flags) \
	147	((exec).a_info = \
	148	((exec).a_info&0x00ffffff) \| (((flags) & 0xff) << 24))
	149
69ebee86	150	typedef struct aout_symbol {
4a81b561 DHW	151	asymbol symbol;
4a81b561 DHW	152	short desc;
69ebee86 JG	153	char other;
69ebee86 JG	154	unsigned char type;
4a81b561 DHW	155	} aout_symbol_type;
4a81b561 DHW	156
0fa4f690 JG	157	/* The `tdata' struct for all a.out-like object file formats.
	158	Various things depend on this struct being around any time an a.out
	159	file is being handled. An example is dbxread.c in GDB. */
	160
69ebee86	161	struct aoutdata {
0fa4f690	162	struct internal_exec hdr; / exec file header */
4a81b561	163	aout_symbol_type symbols; / symtab for input bfd */
4a81b561 DHW	164
	165	/* For ease, we do this */
	166	asection *textsec;
	167	asection *datasec;
	168	asection *bsssec;
	169
	170	/* We remember these offsets so that after check_file_format, we have
	171	no dependencies on the particular format of the exec_hdr. */
	172	file_ptr sym_filepos;
	173	file_ptr str_filepos;
4a81b561	174
0fa4f690	175	/* Size of a relocation entry in external form */
69ebee86	176	unsigned reloc_entry_size;
4a81b561	177
0fa4f690 JG	178	/* Size of a symbol table entry in external form */
0fa4f690 JG	179	unsigned symbol_entry_size;
4a81b561	180
0fa4f690 JG	181	/* Page size - needed for alignment of demand paged files. */
0fa4f690 JG	182	unsigned long page_size;
4a81b561	183
0fa4f690 JG	184	/* Segment size - needed for alignment of demand paged files. */
0fa4f690 JG	185	unsigned long segment_size;
4a81b561	186
0fa4f690	187	unsigned exec_bytes_size;
ce07dd7c KR	188	unsigned vma_adjusted : 1;
	189
	190	enum {
	191	undecided_magic = 0,
	192	z_magic,
	193	o_magic,
	194	n_magic } magic;
0fa4f690	195	};
4a81b561	196
ce07dd7c KR	197	struct aout_data_struct {
	198	struct aoutdata a;
	199	struct internal_exec e;
	200	};
	201
	202	#define adata(bfd) ((bfd)->tdata.aout_data->a)
	203	#define exec_hdr(bfd) (adata(bfd).hdr)
	204	#define obj_aout_symbols(bfd) (adata(bfd).symbols)
	205	#define obj_textsec(bfd) (adata(bfd).textsec)
	206	#define obj_datasec(bfd) (adata(bfd).datasec)
	207	#define obj_bsssec(bfd) (adata(bfd).bsssec)
	208	#define obj_sym_filepos(bfd) (adata(bfd).sym_filepos)
	209	#define obj_str_filepos(bfd) (adata(bfd).str_filepos)
	210	#define obj_reloc_entry_size(bfd) (adata(bfd).reloc_entry_size)
	211	#define obj_symbol_entry_size(bfd) (adata(bfd).symbol_entry_size)
69ebee86	212
0fa4f690 JG	213	/* We take the address of the first element of an asymbol to ensure that the
	214	macro is only ever applied to an asymbol */
	215	#define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd))
69ebee86	216
c0e5039e	217	/* Prototype declarations for functions defined in aoutx.h */
69ebee86	218
1f29e30b JG	219	boolean
1f29e30b JG	220	NAME(aout,squirt_out_relocs) PARAMS ((bfd abfd, asection section));
69ebee86	221
1f29e30b JG	222	bfd_target *
	223	NAME(aout,some_aout_object_p) PARAMS ((bfd *abfd,
	224	struct internal_exec *execp,
	225	bfd_target * (callback)(bfd )));
69ebee86	226
1f29e30b JG	227	boolean
	228	NAME(aout,mkobject) PARAMS ((bfd *abfd));
	229
	230	enum machine_type
	231	NAME(aout,machine_type) PARAMS ((enum bfd_architecture arch,
	232	unsigned long machine));
	233
	234	boolean
	235	NAME(aout,set_arch_mach) PARAMS ((bfd *abfd, enum bfd_architecture arch,
	236	unsigned long machine));
	237
	238	boolean
	239	NAME(aout,new_section_hook) PARAMS ((bfd abfd, asection newsect));
	240
	241	boolean
	242	NAME(aout,set_section_contents) PARAMS ((bfd *abfd, sec_ptr section,
c0e5039e JG	243	PTR location, file_ptr offset, bfd_size_type count));
c0e5039e JG	244
1f29e30b JG	245	asymbol *
	246	NAME(aout,make_empty_symbol) PARAMS ((bfd *abfd));
	247
	248	boolean
	249	NAME(aout,slurp_symbol_table) PARAMS ((bfd *abfd));
	250
	251	void
	252	NAME(aout,write_syms) PARAMS ((bfd *abfd));
	253
	254	void
	255	NAME(aout,reclaim_symbol_table) PARAMS ((bfd *abfd));
	256
	257	unsigned int
	258	NAME(aout,get_symtab_upper_bound) PARAMS ((bfd *abfd));
	259
	260	unsigned int
	261	NAME(aout,get_symtab) PARAMS ((bfd abfd, asymbol *location));
	262
	263	boolean
	264	NAME(aout,slurp_reloc_table) PARAMS ((bfd *abfd, sec_ptr asect,
	265	asymbol **symbols));
	266
	267	unsigned int
	268	NAME(aout,canonicalize_reloc) PARAMS ((bfd *abfd, sec_ptr section,
	269	arelent relptr, asymbol symbols));
	270
	271	unsigned int
	272	NAME(aout,get_reloc_upper_bound) PARAMS ((bfd *abfd, sec_ptr asect));
	273
	274	void
	275	NAME(aout,reclaim_reloc) PARAMS ((bfd *ignore_abfd, sec_ptr ignore));
	276
	277	alent *
	278	NAME(aout,get_lineno) PARAMS ((bfd ignore_abfd, asymbol ignore_symbol));
	279
	280	void
	281	NAME(aout,print_symbol) PARAMS ((bfd *ignore_abfd, PTR file,
9e2dad8e	282	asymbol *symbol, bfd_print_symbol_type how));
1f29e30b JG	283
	284	boolean
	285	NAME(aout,close_and_cleanup) PARAMS ((bfd *abfd));
	286
	287	boolean
	288	NAME(aout,find_nearest_line) PARAMS ((bfd abfd, asection section,
69ebee86 JG	289	asymbol symbols, bfd_vma offset, CONST char filename_ptr,
69ebee86 JG	290	CONST char *functionname_ptr, unsigned int line_ptr));
69ebee86	291
1f29e30b JG	292	int
	293	NAME(aout,sizeof_headers) PARAMS ((bfd *abfd, boolean exec));
	294
	295	boolean
	296	NAME(aout,adjust_sizes_and_vmas) PARAMS ((bfd *abfd,
	297	bfd_size_type text_size, file_ptr text_end));
	298
	299	void
	300	NAME(aout,swap_exec_header_in) PARAMS ((bfd *abfd,
	301	struct external_exec raw_bytes, struct internal_exec execp));
69ebee86	302
1f29e30b JG	303	void
	304	NAME(aout,swap_exec_header_out) PARAMS ((bfd *abfd,
	305	struct internal_exec execp, struct external_exec raw_bytes));
69ebee86	306
7de245d3 PB	307	/* Prototypes for functions in stab-syms.c. */
7de245d3 PB	308
1f29e30b JG	309	char *
1f29e30b JG	310	aout_stab_name PARAMS ((int code));
7de245d3	311
69ebee86 JG	312	/* A.out uses the generic versions of these routines... */
69ebee86 JG	313
c0e5039e JG	314	#define aout_32_get_section_contents bfd_generic_get_section_contents
	315	#define aout_32_close_and_cleanup bfd_generic_close_and_cleanup
	316
	317	#define aout_64_get_section_contents bfd_generic_get_section_contents
	318	#define aout_64_close_and_cleanup bfd_generic_close_and_cleanup
ce07dd7c KR	319	#ifndef NO_WRITE_HEADER_KLUDGE
	320	#define NO_WRITE_HEADER_KLUDGE 0
	321	#endif
c0e5039e	322
ce07dd7c	323	#ifndef WRITE_HEADERS
c0e5039e JG	324	#define WRITE_HEADERS(abfd, execp) \
c0e5039e JG	325	{ \
ce07dd7c KR	326	bfd_size_type text_size; /* dummy vars */ \
	327	file_ptr text_end; \
	328	if (adata(abfd).magic == undecided_magic) \
	329	NAME(aout,adjust_sizes_and_vmas) (abfd, &text_size, &text_end); \
c0e5039e	330	\
0fa4f690	331	execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE; \
c0e5039e JG	332	execp->a_entry = bfd_get_start_address (abfd); \
	333	\
	334	execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * \
	335	obj_reloc_entry_size (abfd)); \
	336	execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * \
	337	obj_reloc_entry_size (abfd)); \
	338	NAME(aout,swap_exec_header_out) (abfd, execp, &exec_bytes); \
	339	\
f8e01940	340	bfd_seek (abfd, (file_ptr) 0, SEEK_SET); \
c0e5039e JG	341	bfd_write ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd); \
	342	/* Now write out reloc info, followed by syms and strings */ \
	343	\
	344	if (bfd_get_symcount (abfd) != 0) \
	345	{ \
f8e01940	346	bfd_seek (abfd, (file_ptr)(N_SYMOFF(*execp)), SEEK_SET); \
c0e5039e JG	347	\
	348	NAME(aout,write_syms)(abfd); \
	349	\
f8e01940	350	bfd_seek (abfd, (file_ptr)(N_TRELOFF(*execp)), SEEK_SET); \
c0e5039e JG	351	\
c0e5039e JG	352	if (!NAME(aout,squirt_out_relocs) (abfd, obj_textsec (abfd))) return false; \
f8e01940	353	bfd_seek (abfd, (file_ptr)(N_DRELOFF(*execp)), SEEK_SET); \
c0e5039e JG	354	\
	355	if (!NAME(aout,squirt_out_relocs)(abfd, obj_datasec (abfd))) return false; \
	356	} \
	357	}
ce07dd7c	358	#endif