/* BFD back-end data structures for a.out (and similar) files.
- Copyright (C) 1990-1991 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
/* 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
+#include "bfdlink.h"
/* 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 GET_SWORD bfd_h_get_signed_64
#define PUT_WORD bfd_h_put_64
+#ifndef NAME
#define NAME(x,y) CAT3(x,_64_,y)
+#endif
#define JNAME(x) CAT(x,_64)
#define BYTES_IN_WORD 8
-#else
+#else /* ARCH_SIZE == 32 */
#define GET_WORD bfd_h_get_32
-#define GET_SWORD (int32_type)GET_WORD
+#define GET_SWORD bfd_h_get_signed_32
#define PUT_WORD bfd_h_put_32
+#ifndef NAME
#define NAME(x,y) CAT3(x,_32_,y)
+#endif
#define JNAME(x) CAT(x,_32)
#define BYTES_IN_WORD 4
-#endif
+#endif /* ARCH_SIZE==32 */
-/* Declare these types at file level, since they are used in parameter
- lists, which have wierd scope. */
+/* Declare at file level, since used in parameter lists, which have
+ weird scope. */
struct external_exec;
-struct internal_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. */
+ 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)))
+
+/* Traverse an a.out link hash table. */
+
+#define aout_link_hash_traverse(table, func, info) \
+ (bfd_link_hash_traverse \
+ (&(table)->root, \
+ (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
+ (info)))
+
+/* 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;
+
+ /* 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. */
+ 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;
+
+ /* 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 *,
+ 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 (*add_one_symbol) PARAMS ((struct bfd_link_info *, bfd *,
+ const char *, flagword, asection *,
+ bfd_vma, const char *, boolean,
+ boolean,
+ struct bfd_link_hash_entry **));
+
+ /* Called to handle linking a dynamic object. */
+ boolean (*link_dynamic_object) PARAMS ((struct bfd_link_info *, bfd *));
+
+ /* Called for each global symbol being written out by the linker.
+ This should write out the dynamic symbol information. */
+ boolean (*write_dynamic_symbol) PARAMS ((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. */
+ boolean (*check_dynamic_reloc) PARAMS ((struct bfd_link_info *info,
+ bfd *input_bfd,
+ asection *input_section,
+ struct aout_link_hash_entry *h,
+ PTR reloc, bfd_byte *contents,
+ boolean *skip,
+ bfd_vma *relocation));
+
+ /* Called at the end of a link to finish up any dynamic linking
+ information. */
+ boolean (*finish_dynamic_link) PARAMS ((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.
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 >
+< MSB >
3130292827262524232221201918171615141312111009080706050403020100
-< FLAGS >< MACHINE TYPE >< MAGIC NUMBER >
+< 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 dont run into any of suns numbers */
+ /* 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,
+ 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_MIPS1 = 151, /* MIPS R2000/R3000 binary */
+ M_MIPS2 = 152, /* MIPS R4000/R6000 binary */
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_HPUX = (0x20c % 256)/* HP 200/300 HPUX binary */
};
-#define N_DYNAMIC(exec) ((exec).a_info & 0x8000000)
+#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
-#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) \
+#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) ? ((exec).a_info | 0x80000000) : \
+((exec).a_info & 0x7fffffff))
+#endif
-#define N_SET_MAGIC(exec, magic) \
+#ifndef N_SET_MAGIC
+# define N_SET_MAGIC(exec, magic) \
((exec).a_info = (((exec).a_info & 0xffff0000) | ((magic) & 0xffff)))
+#endif
-#define N_SET_MACHTYPE(exec, machtype) \
+#ifndef N_SET_MACHTYPE
+# define N_SET_MACHTYPE(exec, machtype) \
((exec).a_info = \
((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16))
+#endif
-#define N_SET_FLAGS(exec, flags) \
+#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;
/* 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. */
+ 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;
};
-#define adata(bfd) ((struct aoutdata *) ((bfd)->tdata))
-#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)
+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 */
#define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd))
+/* 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. */
+ PTR 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 = (PTR)&(v)->relocs)
+
/* Prototype declarations for functions defined in aoutx.h */
-PROTO (boolean, NAME(aout,squirt_out_relocs),(bfd *abfd, asection *section));
+boolean
+NAME(aout,squirt_out_relocs) PARAMS ((bfd *abfd, asection *section));
+
+boolean
+NAME(aout,make_sections) PARAMS ((bfd *));
-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));
+const bfd_target *
+NAME(aout,some_aout_object_p) PARAMS ((bfd *abfd,
+ struct internal_exec *execp,
+ const bfd_target *(*callback)(bfd *)));
-PROTO (boolean, NAME(aout,new_section_hook), (bfd *abfd, asection *newsect));
-PROTO (boolean, NAME(aout,set_section_contents), (bfd *abfd, sec_ptr section,
+boolean
+NAME(aout,mkobject) PARAMS ((bfd *abfd));
+
+enum machine_type
+NAME(aout,machine_type) PARAMS ((enum bfd_architecture arch,
+ unsigned long machine,
+ boolean *unknown));
+
+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));
-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 *
+NAME(aout,make_empty_symbol) PARAMS ((bfd *abfd));
+
+boolean
+NAME(aout,translate_symbol_table) PARAMS ((bfd *, aout_symbol_type *,
+ struct external_nlist *,
+ bfd_size_type, char *,
+ bfd_size_type,
+ boolean dynamic));
+
+boolean
+NAME(aout,slurp_symbol_table) PARAMS ((bfd *abfd));
+
+boolean
+NAME(aout,write_syms) PARAMS ((bfd *abfd));
+
+void
+NAME(aout,reclaim_symbol_table) PARAMS ((bfd *abfd));
+
+long
+NAME(aout,get_symtab_upper_bound) PARAMS ((bfd *abfd));
+
+long
+NAME(aout,get_symtab) PARAMS ((bfd *abfd, asymbol **location));
+
+void
+NAME(aout,swap_ext_reloc_in) PARAMS ((bfd *, struct reloc_ext_external *,
+ arelent *, asymbol **, bfd_size_type));
+void
+NAME(aout,swap_std_reloc_in) PARAMS ((bfd *, struct reloc_std_external *,
+ 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));
+
+long
+NAME(aout,canonicalize_reloc) PARAMS ((bfd *abfd, sec_ptr section,
+ arelent **relptr, asymbol **symbols));
+
+long
+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));
-PROTO (boolean, NAME(aout,close_and_cleanup), (bfd *abfd));
-PROTO (boolean, NAME(aout,find_nearest_line), (bfd *abfd, asection *section,
+
+void
+NAME(aout,get_symbol_info) PARAMS ((bfd *ignore_abfd,
+ asymbol *symbol, symbol_info *ret));
+
+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));
-PROTO (int, NAME(aout,sizeof_headers), (bfd *ignore_abfd, boolean exec));
+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,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));
-PROTO (void, NAME(aout,swap_exec_header_in), (bfd *abfd,
- struct external_exec *raw_bytes, struct internal_exec *execp));
+struct bfd_hash_entry *
+NAME(aout,link_hash_newfunc)
+ PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
-PROTO (void, NAME(aout,swap_exec_header_out),(bfd *abfd, struct internal_exec *execp,
- struct external_exec *raw_bytes));
+boolean
+NAME(aout,link_hash_table_init)
+ PARAMS ((struct aout_link_hash_table *, bfd *,
+ struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
+ struct bfd_hash_table *,
+ const char *)));
+
+struct bfd_link_hash_table *
+NAME(aout,link_hash_table_create) PARAMS ((bfd *));
+
+boolean
+NAME(aout,link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *));
+
+boolean
+NAME(aout,final_link) PARAMS ((bfd *, struct bfd_link_info *,
+ void (*) (bfd *, file_ptr *, file_ptr *,
+ file_ptr *)));
+
+boolean
+NAME(aout,bfd_free_cached_info) PARAMS ((bfd *));
/* 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
-
-/* Calculate the file positions of the parts of a newly read aout header */
-#define WORK_OUT_FILE_POSITIONS(abfd, execp) \
- /* The virtual memory addresses of the sections */ \
- obj_datasec (abfd)->vma = N_DATADDR(*execp); \
- obj_bsssec (abfd)->vma = N_BSSADDR(*execp); \
- obj_textsec (abfd)->vma = N_TXTADDR(*execp); \
- \
- /* The file offsets of the sections */ \
- obj_textsec (abfd)->filepos = N_TXTOFF (*execp); \
- obj_datasec (abfd)->filepos = N_DATOFF (*execp); \
- \
- /* The file offsets of the relocation info */ \
- obj_textsec (abfd)->rel_filepos = N_TRELOFF(*execp); \
- obj_datasec (abfd)->rel_filepos = N_DRELOFF(*execp); \
- \
- /* The file offsets of the string table and symbol table. */ \
- obj_sym_filepos (abfd) = N_SYMOFF (*execp); \
- obj_str_filepos (abfd) = N_STROFF (*execp); \
+#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
+#define aout_32_bfd_is_local_label bfd_generic_is_local_label
+#endif
+#ifndef WRITE_HEADERS
#define WRITE_HEADERS(abfd, execp) \
{ \
- if (abfd->flags & D_PAGED) \
- { \
- execp->a_text = obj_textsec (abfd)->size; \
- /* Kludge to distinguish old- and new-style ZMAGIC. \
- The latter includes the exec header in the text size. */ \
- if (obj_textsec(abfd)->filepos == EXEC_BYTES_SIZE) \
- execp->a_text += EXEC_BYTES_SIZE; \
- N_SET_MAGIC (*execp, ZMAGIC); \
- } \
- else \
- { \
- execp->a_text = obj_textsec (abfd)->size; \
- if (abfd->flags & WP_TEXT) \
- { N_SET_MAGIC (*execp, NMAGIC); } \
- else \
- { N_SET_MAGIC(*execp, OMAGIC); } \
- } \
- if (abfd->flags & D_PAGED) \
- { \
- data_pad = ALIGN(obj_datasec(abfd)->size, PAGE_SIZE) \
- - obj_datasec(abfd)->size; \
- \
- if (data_pad > obj_bsssec(abfd)->size) \
- execp->a_bss = 0; \
- else \
- execp->a_bss = obj_bsssec(abfd)->size - data_pad; \
- execp->a_data = obj_datasec(abfd)->size + data_pad; \
- } \
- else \
- { \
- execp->a_data = obj_datasec (abfd)->size; \
- execp->a_bss = obj_bsssec (abfd)->size; \
- } \
+ 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); \
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); \
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) return false; \
+ if (bfd_write ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd) \
+ != EXEC_BYTES_SIZE) \
+ return false; \
/* 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); \
+ 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; \
\
- bfd_seek (abfd, (long)(N_TRELOFF(*execp)), false); \
+ if (! NAME(aout,write_syms)(abfd)) return false; \
+ } \
\
- if (!NAME(aout,squirt_out_relocs) (abfd, obj_textsec (abfd))) return false; \
- bfd_seek (abfd, (long)(N_DRELOFF(*execp)), 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
+
+#endif /* ! defined (LIBAOUT_H) */
projects / binutils.git / blobdiff