-/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+/* BFD back-end data structures for a.out (and similar) files.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ Free Software Foundation, Inc.
+ Written by Cygnus Support.
-This file is part of BFD, the Binary File Diddler.
+ This file is part of BFD, the Binary File Descriptor library.
-BFD 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 1, or (at your option)
-any later version.
+ 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.
-BFD 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.
+ 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 BFD; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
-/* $Id$ */
+#ifndef LIBAOUT_H
+#define LIBAOUT_H
-/* BFD back-end data structures for a.out (and similar) files.
+/* 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. */
+
+#include "bfdlink.h"
+
+/* Macros for accessing components in an aout header. */
+
+#define H_PUT_64 bfd_h_put_64
+#define H_PUT_32 bfd_h_put_32
+#define H_PUT_16 bfd_h_put_16
+#define H_PUT_8 bfd_h_put_8
+#define H_PUT_S64 bfd_h_put_signed_64
+#define H_PUT_S32 bfd_h_put_signed_32
+#define H_PUT_S16 bfd_h_put_signed_16
+#define H_PUT_S8 bfd_h_put_signed_8
+#define H_GET_64 bfd_h_get_64
+#define H_GET_32 bfd_h_get_32
+#define H_GET_16 bfd_h_get_16
+#define H_GET_8 bfd_h_get_8
+#define H_GET_S64 bfd_h_get_signed_64
+#define H_GET_S32 bfd_h_get_signed_32
+#define H_GET_S16 bfd_h_get_signed_16
+#define H_GET_S8 bfd_h_get_signed_8
+
+/* Parameterize the a.out code based on whether it is being built
+ for a 32-bit architecture or a 64-bit architecture. */
+/* Do not "beautify" the CONCAT* macro args. Traditional C will not
+ remove whitespace added here, and thus will fail to concatenate
+ the tokens. */
+#if ARCH_SIZE==64
+#define GET_WORD H_GET_64
+#define GET_SWORD H_GET_S64
+#define GET_MAGIC H_GET_32
+#define PUT_WORD H_PUT_64
+#define PUT_MAGIC H_PUT_32
+#ifndef NAME
+#define NAME(x,y) CONCAT3 (x,_64_,y)
+#endif
+#define JNAME(x) CONCAT2 (x,_64)
+#define BYTES_IN_WORD 8
+#else
+#if ARCH_SIZE==16
+#define GET_WORD H_GET_16
+#define GET_SWORD H_GET_S16
+#define GET_MAGIC H_GET_16
+#define PUT_WORD H_PUT_16
+#define PUT_MAGIC H_PUT_16
+#ifndef NAME
+#define NAME(x,y) CONCAT3 (x,_16_,y)
+#endif
+#define JNAME(x) CONCAT2 (x,_16)
+#define BYTES_IN_WORD 2
+#else /* ARCH_SIZE == 32 */
+#define GET_WORD H_GET_32
+#define GET_SWORD H_GET_S32
+#define GET_MAGIC H_GET_32
+#define PUT_WORD H_PUT_32
+#define PUT_MAGIC H_PUT_32
+#ifndef NAME
+#define NAME(x,y) CONCAT3 (x,_32_,y)
+#endif
+#define JNAME(x) CONCAT2 (x,_32)
+#define BYTES_IN_WORD 4
+#endif /* ARCH_SIZE==32 */
+#endif /* ARCH_SIZE==64 */
+
+/* Declare at file level, since used in parameter lists, which have
+ weird scope. */
+struct external_exec;
+struct external_nlist;
+struct reloc_ext_external;
+struct reloc_std_external;
+\f
+/* a.out backend linker hash table entries. */
+
+struct aout_link_hash_entry
+{
+ struct bfd_link_hash_entry root;
+ /* Whether this symbol has been written out. */
+ bfd_boolean written;
+ /* Symbol index in output file. */
+ int indx;
+};
+
+/* a.out backend linker hash table. */
+
+struct aout_link_hash_table
+{
+ struct bfd_link_hash_table root;
+};
+
+/* Look up an entry in an a.out link hash table. */
+
+#define aout_link_hash_lookup(table, string, create, copy, follow) \
+ ((struct aout_link_hash_entry *) \
+ bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow)))
- We try to encapsulate the differences 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. */
+/* Traverse an a.out link hash table. */
-/** a.out files */
+#define aout_link_hash_traverse(table, func, info) \
+ (bfd_link_hash_traverse \
+ (&(table)->root, \
+ (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \
+ (info)))
-#define exec_hdr(bfd) (((struct sunexdata *) ((bfd)->tdata))->hdr)
-/*#define obj_symbols(bfd) ((((struct sunexdata *) ((bfd)->tdata))->symbols))*/
-#define obj_textsec(bfd) (((struct sunexdata *) ((bfd)->tdata))->textsec)
-#define obj_datasec(bfd) (((struct sunexdata *) ((bfd)->tdata))->datasec)
-#define obj_bsssec(bfd) (((struct sunexdata *) ((bfd)->tdata))->bsssec)
-#define obj_sym_filepos(bfd) (((struct sunexdata *) ((bfd)->tdata))->sym_filepos)
-#define obj_str_filepos(bfd) (((struct sunexdata *) ((bfd)->tdata))->str_filepos)
+/* Get the a.out link hash table from the info structure. This is
+ just a cast. */
+#define aout_hash_table(p) ((struct aout_link_hash_table *) ((p)->hash))
+\f
+/* 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 this flag is set, then if the entry address is not in the
+ first SEGMENT_SIZE bytes of the text section, it is taken to be
+ the address of the start of the text section. This can be useful
+ for kernels. */
+ unsigned char entry_is_text_address;
+
+ /* The value to pass to N_SET_FLAGS. */
+ unsigned char exec_hdr_flags;
+
+ /* 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. */
+ bfd_boolean (*set_sizes) (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;
+
+ /* Callback from the add symbols phase of the linker code to handle
+ a dynamic object. */
+ bfd_boolean (*add_dynamic_symbols)
+ (bfd *, struct bfd_link_info *, struct external_nlist **,
+ bfd_size_type *, char **);
+
+ /* Callback from the add symbols phase of the linker code to handle
+ adding a single symbol to the global linker hash table. */
+ bfd_boolean (*add_one_symbol)
+ (struct bfd_link_info *, bfd *, const char *, flagword,
+ asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean,
+ struct bfd_link_hash_entry **);
+
+ /* Called to handle linking a dynamic object. */
+ bfd_boolean (*link_dynamic_object)
+ (struct bfd_link_info *, bfd *);
+
+ /* Called for each global symbol being written out by the linker.
+ This should write out the dynamic symbol information. */
+ bfd_boolean (*write_dynamic_symbol)
+ (bfd *, struct bfd_link_info *, struct aout_link_hash_entry *);
+
+ /* If this callback is not NULL, the linker calls it for each reloc.
+ RELOC is a pointer to the unswapped reloc. If *SKIP is set to
+ TRUE, the reloc will be skipped. *RELOCATION may be changed to
+ change the effects of the relocation. */
+ bfd_boolean (*check_dynamic_reloc)
+ (struct bfd_link_info *info, bfd *input_bfd,
+ asection *input_section, struct aout_link_hash_entry *h,
+ void * reloc, bfd_byte *contents, bfd_boolean *skip,
+ bfd_vma *relocation);
+
+ /* Called at the end of a link to finish up any dynamic linking
+ information. */
+ bfd_boolean (*finish_dynamic_link) (bfd *, struct bfd_link_info *);
+};
+#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. */
+};
-typedef struct {
+/* Magic number is written
+ < MSB >
+ 3130292827262524232221201918171615141312111009080706050403020100
+ < FLAGS >< MACHINE TYPE >< MAGIC NUMBER > */
+
+/* Magic number for NetBSD is
+ <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 don't run into any of SUN's numbers. */
+ /* Make these up for the ns32k. */
+ M_NS32032 = (64), /* NS32032 running ? */
+ M_NS32532 = (64 + 5), /* NS32532 running mach. */
+ M_386 = 100,
+ M_29K = 101, /* AMD 29000. */
+ M_386_DYNIX = 102, /* Sequent running dynix. */
+ M_ARM = 103, /* Advanced Risc Machines ARM. */
+ M_SPARCLET = 131, /* SPARClet = M_SPARC + 128. */
+ M_386_NETBSD = 134, /* NetBSD/i386 binary. */
+ M_68K_NETBSD = 135, /* NetBSD/m68k binary. */
+ M_68K4K_NETBSD = 136, /* NetBSD/m68k4k binary. */
+ M_532_NETBSD = 137, /* NetBSD/ns32k binary. */
+ M_SPARC_NETBSD = 138, /* NetBSD/sparc binary. */
+ M_PMAX_NETBSD = 139, /* NetBSD/pmax (MIPS little-endian) binary. */
+ M_VAX_NETBSD = 140, /* NetBSD/vax binary. */
+ M_ALPHA_NETBSD = 141, /* NetBSD/alpha binary. */
+ M_ARM6_NETBSD = 143, /* NetBSD/arm32 binary. */
+ M_SPARCLET_1 = 147, /* 0x93, reserved. */
+ M_POWERPC_NETBSD = 149, /* NetBSD/powerpc (big-endian) binary. */
+ M_VAX4K_NETBSD = 150, /* NetBSD/vax 4K pages binary. */
+ M_MIPS1 = 151, /* MIPS R2000/R3000 binary. */
+ M_MIPS2 = 152, /* MIPS R4000/R6000 binary. */
+ M_88K_OPENBSD = 153, /* OpenBSD/m88k binary. */
+ M_HPPA_OPENBSD = 154, /* OpenBSD/hppa binary. */
+ M_SPARC64_NETBSD = 156, /* NetBSD/sparc64 binary. */
+ M_X86_64_NETBSD = 157, /* NetBSD/amd64 binary. */
+ M_SPARCLET_2 = 163, /* 0xa3, reserved. */
+ M_SPARCLET_3 = 179, /* 0xb3, reserved. */
+ M_SPARCLET_4 = 195, /* 0xc3, reserved. */
+ 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. */
+ M_SPARCLET_5 = 211, /* 0xd3, reserved. */
+ M_SPARCLET_6 = 227, /* 0xe3, reserved. */
+/*M_SPARCLET_7 = 243 / * 0xf3, reserved. */
+ M_SPARCLITE_LE = 243,
+ M_CRIS = 255 /* Axis CRIS binary. */
+};
+
+#define N_DYNAMIC(exec) ((exec).a_info & 0x80000000)
+
+#ifndef N_MAGIC
+# define N_MAGIC(exec) ((exec).a_info & 0xffff)
+#endif
+
+#ifndef N_MACHTYPE
+# define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff))
+#endif
+
+#ifndef N_FLAGS
+# define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff)
+#endif
+
+#ifndef N_SET_INFO
+# define N_SET_INFO(exec, magic, type, flags) \
+((exec).a_info = ((magic) & 0xffff) \
+ | (((int)(type) & 0xff) << 16) \
+ | (((flags) & 0xff) << 24))
+#endif
+
+#ifndef N_SET_DYNAMIC
+# define N_SET_DYNAMIC(exec, dynamic) \
+((exec).a_info = (dynamic) ? (long) ((exec).a_info | 0x80000000) : \
+((exec).a_info & 0x7fffffff))
+#endif
+
+#ifndef N_SET_MAGIC
+# define N_SET_MAGIC(exec, magic) \
+((exec).a_info = (((exec).a_info & 0xffff0000) | ((magic) & 0xffff)))
+#endif
+
+#ifndef N_SET_MACHTYPE
+# define N_SET_MACHTYPE(exec, machtype) \
+((exec).a_info = \
+ ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16))
+#endif
+
+#ifndef N_SET_FLAGS
+# define N_SET_FLAGS(exec, flags) \
+((exec).a_info = \
+ ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24))
+#endif
+
+typedef struct aout_symbol
+{
asymbol symbol;
short desc;
-char other;
-unsigned char type;
+ 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 sunexdata {
- struct exec *hdr; /* exec file header */
- aout_symbol_type *symbols; /* symtab for input bfd */
+struct aoutdata
+{
+ struct internal_exec *hdr; /* Exec file header. */
+ aout_symbol_type *symbols; /* Symtab for input bfd. */
-
- /* For ease, we do this */
+ /* For ease, we do this. */
asection *textsec;
asection *datasec;
asection *bsssec;
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;
-#define obj_outsymbols(bfd) ((PTR)(((struct sunexdata *) ((bfd)->tdata))->outsymbols))
+ /* 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;
+
+ /* Zmagic disk block size - need to align the start of the text
+ section in ZMAGIC binaries. Normally the same as page_size. */
+ unsigned long zmagic_disk_block_size;
+
+ unsigned exec_bytes_size;
+ unsigned vma_adjusted : 1;
+
+ /* Used when a bfd supports several highly similar formats. */
+ enum
+ {
+ default_format = 0,
+ /* Used on HP 9000/300 running HP/UX. See hp300hpux.c. */
+ gnu_encap_format,
+ /* Used on Linux, 386BSD, etc. See include/aout/aout64.h. */
+ q_magic_format
+ } subformat;
+
+ enum
+ {
+ undecided_magic = 0,
+ z_magic,
+ o_magic,
+ n_magic
+ } magic;
+
+ /* A buffer for find_nearest_line. */
+ char *line_buf;
+
+ /* The external symbol information. */
+ struct external_nlist *external_syms;
+ bfd_size_type external_sym_count;
+ bfd_window sym_window;
+ char *external_strings;
+ bfd_size_type external_string_size;
+ bfd_window string_window;
+ struct aout_link_hash_entry **sym_hashes;
+
+ /* A pointer for shared library information. */
+ void * dynamic_info;
+
+ /* A mapping from local symbols to offsets into the global offset
+ table, used when linking on SunOS. This is indexed by the symbol
+ index. */
+ bfd_vma *local_got_offsets;
+};
+
+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)
+#define obj_aout_subformat(bfd) (adata (bfd).subformat)
+#define obj_aout_external_syms(bfd) (adata (bfd).external_syms)
+#define obj_aout_external_sym_count(bfd) (adata (bfd).external_sym_count)
+#define obj_aout_sym_window(bfd) (adata (bfd).sym_window)
+#define obj_aout_external_strings(bfd) (adata (bfd).external_strings)
+#define obj_aout_external_string_size(bfd) (adata (bfd).external_string_size)
+#define obj_aout_string_window(bfd) (adata (bfd).string_window)
+#define obj_aout_sym_hashes(bfd) (adata (bfd).sym_hashes)
+#define obj_aout_dynamic_info(bfd) (adata (bfd).dynamic_info)
/* We take the address of the first element of an asymbol to ensure that the
- * macro is only ever applied to an asymbol */
+ macro is only ever applied to an asymbol. */
#define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd))
-/*#define obj_symbols(bfd) ((((struct sunexdata *) ((bfd)->tdata))->symbols))*/
-#define obj_aout_symbols(bfd) ((((struct sunexdata *) (bfd)->tdata))->symbols)
-#define obj_arch_flags(bfd) ((((struct sunexdata *) (bfd)->tdata))->arch_flags)
+/* Information we keep for each a.out section. This is currently only
+ used by the a.out backend linker. */
+
+struct aout_section_data_struct
+{
+ /* The unswapped relocation entries for this section. */
+ void * relocs;
+};
+
+#define aout_section_data(s) \
+ ((struct aout_section_data_struct *) (s)->used_by_bfd)
+
+#define set_aout_section_data(s,v) \
+ ((s)->used_by_bfd = (void *)&(v)->relocs)
+
+/* Prototype declarations for functions defined in aoutx.h. */
+
+extern bfd_boolean NAME (aout, squirt_out_relocs)
+ (bfd *, asection *);
+
+extern bfd_boolean NAME (aout, make_sections)
+ (bfd *);
+
+extern const bfd_target * NAME (aout, some_aout_object_p)
+ (bfd *, struct internal_exec *, const bfd_target *(*) (bfd *));
+
+extern bfd_boolean NAME (aout, mkobject)
+ (bfd *);
+
+extern enum machine_type NAME (aout, machine_type)
+ (enum bfd_architecture, unsigned long, bfd_boolean *);
+
+extern bfd_boolean NAME (aout, set_arch_mach)
+ (bfd *, enum bfd_architecture, unsigned long);
+
+extern bfd_boolean NAME (aout, new_section_hook)
+ (bfd *, asection *);
+
+extern bfd_boolean NAME (aout, set_section_contents)
+ (bfd *, sec_ptr, const void *, file_ptr, bfd_size_type);
+
+extern asymbol * NAME (aout, make_empty_symbol)
+ (bfd *);
+
+extern bfd_boolean NAME (aout, translate_symbol_table)
+ (bfd *, aout_symbol_type *, struct external_nlist *, bfd_size_type,
+ char *, bfd_size_type, bfd_boolean);
+
+extern bfd_boolean NAME (aout, slurp_symbol_table)
+ (bfd *);
+
+extern bfd_boolean NAME (aout, write_syms)
+ (bfd *);
+
+extern void NAME (aout, reclaim_symbol_table)
+ (bfd *);
+
+extern long NAME (aout, get_symtab_upper_bound)
+ (bfd *);
+
+extern long NAME (aout, canonicalize_symtab)
+ (bfd *, asymbol **);
+
+extern void NAME (aout, swap_ext_reloc_in)
+ (bfd *, struct reloc_ext_external *, arelent *, asymbol **,
+ bfd_size_type);
+
+extern void NAME (aout, swap_std_reloc_in)
+ (bfd *, struct reloc_std_external *, arelent *, asymbol **,
+ bfd_size_type);
+
+extern reloc_howto_type * NAME (aout, reloc_type_lookup)
+ (bfd *, bfd_reloc_code_real_type);
+
+extern reloc_howto_type * NAME (aout, reloc_name_lookup)
+ (bfd *, const char *);
+
+extern bfd_boolean NAME (aout, slurp_reloc_table)
+ (bfd *, sec_ptr, asymbol **);
+
+extern long NAME (aout, canonicalize_reloc)
+ (bfd *, sec_ptr, arelent **, asymbol **);
+
+extern long NAME (aout, get_reloc_upper_bound)
+ (bfd *, sec_ptr);
+
+extern void NAME (aout, reclaim_reloc)
+ (bfd *, sec_ptr);
+
+extern alent * NAME (aout, get_lineno)
+ (bfd *, asymbol *);
+
+extern void NAME (aout, print_symbol)
+ (bfd *, void *, asymbol *, bfd_print_symbol_type);
+
+extern void NAME (aout, get_symbol_info)
+ (bfd *, asymbol *, symbol_info *);
+
+extern bfd_boolean NAME (aout, find_nearest_line)
+ (bfd *, asection *, asymbol **, bfd_vma, const char **,
+ const char **, unsigned int *);
+
+extern long NAME (aout, read_minisymbols)
+ (bfd *, bfd_boolean, void * *, unsigned int *);
+
+extern asymbol * NAME (aout, minisymbol_to_symbol)
+ (bfd *, bfd_boolean, const void *, asymbol *);
+
+extern int NAME (aout, sizeof_headers)
+ (bfd *, struct bfd_link_info *);
+
+extern bfd_boolean NAME (aout, adjust_sizes_and_vmas)
+ (bfd *, bfd_size_type *, file_ptr *);
+
+extern void NAME (aout, swap_exec_header_in)
+ (bfd *, struct external_exec *, struct internal_exec *);
+
+extern void NAME (aout, swap_exec_header_out)
+ (bfd *, struct internal_exec *, struct external_exec *);
+
+extern struct bfd_hash_entry * NAME (aout, link_hash_newfunc)
+ (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
+
+extern bfd_boolean NAME (aout, link_hash_table_init)
+ (struct aout_link_hash_table *, bfd *,
+ struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
+ struct bfd_hash_table *,
+ const char *),
+ unsigned int);
+
+extern struct bfd_link_hash_table * NAME (aout, link_hash_table_create)
+ (bfd *);
+
+extern bfd_boolean NAME (aout, link_add_symbols)
+ (bfd *, struct bfd_link_info *);
+
+extern bfd_boolean NAME (aout, final_link)
+ (bfd *, struct bfd_link_info *,
+ void (*) (bfd *, file_ptr *, file_ptr *, file_ptr *));
+
+extern bfd_boolean NAME (aout, bfd_free_cached_info)
+ (bfd *);
+
+#define aout_32_find_inliner_info _bfd_nosymbols_find_inliner_info
+#if 0 /* Are these needed? */
+#define aout_16_find_inliner_info _bfd_nosymbols_find_inliner_info
+#define aout_64_find_inliner_info _bfd_nosymbols_find_inliner_info
+#endif
+
+/* A.out uses the generic versions of these routines... */
+
+#define aout_16_get_section_contents _bfd_generic_get_section_contents
+
+#define aout_32_get_section_contents _bfd_generic_get_section_contents
+
+#define aout_64_get_section_contents _bfd_generic_get_section_contents
+#ifndef NO_WRITE_HEADER_KLUDGE
+#define NO_WRITE_HEADER_KLUDGE 0
+#endif
+
+#ifndef aout_32_bfd_is_local_label_name
+#define aout_32_bfd_is_local_label_name bfd_generic_is_local_label_name
+#endif
+
+#ifndef aout_32_bfd_is_target_special_symbol
+#define aout_32_bfd_is_target_special_symbol \
+ ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
+#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); \
+ \
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 \
+ || bfd_bwrite (& exec_bytes, (bfd_size_type) EXEC_BYTES_SIZE, \
+ abfd) != EXEC_BYTES_SIZE) \
+ return FALSE; \
+ /* Now write out reloc info, followed by syms and strings. */ \
+ \
+ if (bfd_get_outsymbols (abfd) != NULL \
+ && bfd_get_symcount (abfd) != 0) \
+ { \
+ if (bfd_seek (abfd, (file_ptr) (N_SYMOFF(*execp)), SEEK_SET) != 0)\
+ return FALSE; \
+ \
+ if (! NAME (aout, write_syms) (abfd)) \
+ return FALSE; \
+ } \
+ \
+ if (bfd_seek (abfd, (file_ptr) (N_TRELOFF (*execp)), SEEK_SET) != 0) \
+ return FALSE; \
+ if (!NAME (aout, squirt_out_relocs) (abfd, obj_textsec (abfd))) \
+ return FALSE; \
+ \
+ if (bfd_seek (abfd, (file_ptr) (N_DRELOFF (*execp)), SEEK_SET) != 0) \
+ return FALSE; \
+ if (!NAME (aout, squirt_out_relocs) (abfd, obj_datasec (abfd))) \
+ return FALSE; \
+ }
+#endif
+
+/* Test if a read-only section can be merged with .text. This is
+ possible if:
+
+ 1. Section has file contents and is read-only.
+ 2. The VMA of the section is after the end of .text and before
+ the start of .data.
+ 3. The image is demand-pageable (otherwise, a_text in the header
+ will not reflect the gap between .text and .data). */
+
+#define aout_section_merge_with_text_p(abfd, sec) \
+ (((sec)->flags & (SEC_HAS_CONTENTS | SEC_READONLY)) == \
+ (SEC_HAS_CONTENTS | SEC_READONLY) \
+ && obj_textsec (abfd) != NULL \
+ && obj_datasec (abfd) != NULL \
+ && (sec)->vma >= (obj_textsec (abfd)->vma + \
+ obj_textsec (abfd)->size) \
+ && ((sec)->vma + (sec)->size) <= obj_datasec (abfd)->vma \
+ && ((abfd)->flags & D_PAGED) != 0)
-#define get_tdata(x) ((struct sunexdata *)((x)->tdata))
+#endif /* ! defined (LIBAOUT_H) */