diff options
Diffstat (limited to 'binutils-2.24/bfd/libaout.h')
| -rw-r--r-- | binutils-2.24/bfd/libaout.h | 691 |
1 files changed, 0 insertions, 691 deletions
diff --git a/binutils-2.24/bfd/libaout.h b/binutils-2.24/bfd/libaout.h deleted file mode 100644 index ed2ec45a..00000000 --- a/binutils-2.24/bfd/libaout.h +++ /dev/null @@ -1,691 +0,0 @@ -/* 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 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 3 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., 51 Franklin Street - Fifth Floor, Boston, - MA 02110-1301, 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. */ - -#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; - -/* 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))) - -/* Traverse an a.out link hash table. */ - -#define aout_link_hash_traverse(table, func, info) \ - (bfd_link_hash_traverse \ - (&(table)->root, \ - (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (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)) - -/* 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. */ -}; - -/* 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; -} 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. */ - -enum aout_subformat { - 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 -}; - -enum aout_magic { - undecided_magic = 0, - z_magic, - o_magic, - n_magic -}; - -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; - - /* 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 aout_subformat subformat; - - enum aout_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. */ -#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. */ - 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) - -#endif /* ! defined (LIBAOUT_H) */ |