/* BFD back-end data structures for a.out (and similar) files.
- Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
+ Copyright 1990, 91, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
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. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef LIBAOUT_H
#define LIBAOUT_H
/* Callback from the add symbols phase of the linker code to handle
a dynamic object. */
- boolean (*add_dynamic_symbols) PARAMS ((bfd *, struct bfd_link_info *));
+ boolean (*add_dynamic_symbols) PARAMS ((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. */
boolean (*write_dynamic_symbol) PARAMS ((bfd *, struct bfd_link_info *,
struct aout_link_hash_entry *));
- /* This callback is called by the linker for each reloc against an
- external symbol. RELOC is a pointer to the unswapped reloc. If
- *SKIP is set to true, the reloc will be skipped. */
+ /* 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. */
boolean (*check_dynamic_reloc) PARAMS ((struct bfd_link_info *info,
bfd *input_bfd,
asection *input_section,
struct aout_link_hash_entry *h,
- PTR reloc, boolean *skip));
+ PTR reloc, bfd_byte *contents,
+ boolean *skip,
+ bfd_vma *relocation));
/* Called at the end of a link to finish up any dynamic linking
information. */
};
/* Magic number is written
-< MSB >
+< MSB >
3130292827262524232221201918171615141312111009080706050403020100
-< FLAGS >< MACHINE TYPE >< MAGIC NUMBER >
+< FLAGS >< MACHINE TYPE >< MAGIC NUMBER >
*/
/* Magic number for NetBSD is
-<MSB >
+<MSB >
3130292827262524232221201918171615141312111009080706050403020100
-< FLAGS >< >< MAGIC NUMBER >
+< FLAGS >< MACHINE TYPE >< MAGIC NUMBER >
*/
enum machine_type {
M_68020 = 2,
M_SPARC = 3,
/* skip a bunch so we don't run into any of suns 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_386_NETBSD = 134, /* NetBSD/386 binary */
+ 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_MIPS1 = 151, /* MIPS R2000/R3000 binary */
M_MIPS2 = 152, /* MIPS R4000/R6000 binary */
M_HP200 = 200, /* HP 200 (68010) BSD binary */
/* 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,
- gnu_encap_format } subformat;
-
- enum {
- undecided_magic = 0,
- z_magic,
- o_magic,
- n_magic } magic;
+ 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. */
PTR 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 {
#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)
#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 = (PTR)&(v)->relocs)
+
/* Prototype declarations for functions defined in aoutx.h */
boolean
boolean
NAME(aout,make_sections) PARAMS ((bfd *));
-bfd_target *
+const bfd_target *
NAME(aout,some_aout_object_p) PARAMS ((bfd *abfd,
- struct internal_exec *execp,
- bfd_target * (*callback)(bfd *)));
+ struct internal_exec *execp,
+ const bfd_target *(*callback)(bfd *)));
boolean
NAME(aout,mkobject) PARAMS ((bfd *abfd));
void
NAME(aout,swap_ext_reloc_in) PARAMS ((bfd *, struct reloc_ext_external *,
- arelent *, asymbol **));
+ arelent *, asymbol **, bfd_size_type));
void
NAME(aout,swap_std_reloc_in) PARAMS ((bfd *, struct reloc_std_external *,
- arelent *, asymbol **));
+ arelent *, asymbol **, bfd_size_type));
+
+reloc_howto_type *
+NAME(aout,reloc_type_lookup) PARAMS ((bfd *abfd,
+ bfd_reloc_code_real_type code));
boolean
NAME(aout,slurp_reloc_table) PARAMS ((bfd *abfd, sec_ptr asect,
asymbol **symbols, bfd_vma offset, CONST char **filename_ptr,
CONST char **functionname_ptr, unsigned int *line_ptr));
+long
+NAME(aout,read_minisymbols) PARAMS ((bfd *, boolean, PTR *, unsigned int *));
+
+asymbol *
+NAME(aout,minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR,
+ asymbol *));
+
int
NAME(aout,sizeof_headers) PARAMS ((bfd *abfd, boolean exec));
boolean
NAME(aout,bfd_free_cached_info) PARAMS ((bfd *));
-/* Prototypes for functions in stab-syms.c. */
-
-CONST 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
\
if (bfd_get_outsymbols (abfd) != (asymbol **) 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_SYMOFF(*execp)), SEEK_SET) != 0) \
+ return false; \
\
- if (bfd_seek (abfd, (file_ptr)(N_TRELOFF(*execp)), SEEK_SET) \
- != 0) \
- return false; \
+ if (! NAME(aout,write_syms)(abfd)) 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 (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 (!NAME(aout,squirt_out_relocs)(abfd, obj_datasec (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
projects / binutils.git / blobdiff