diff options
Diffstat (limited to 'bfd/libaout.h')
| -rw-r--r-- | bfd/libaout.h | 330 |
1 files changed, 178 insertions, 152 deletions
diff --git a/bfd/libaout.h b/bfd/libaout.h index 60424bc..c6eb5c2 100644 --- a/bfd/libaout.h +++ b/bfd/libaout.h @@ -29,14 +29,61 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "bfdlink.h" +/* Macros for accessing components in an aout header. Saves cluttering + the source with (bfd_vma) and (bfd_byte *) casts. */ + +#define H_PUT_64(abfd, val, where) \ + bfd_h_put_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) + +#define H_PUT_32(abfd, val, where) \ + bfd_h_put_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) + +#define H_PUT_16(abfd, val, where) \ + bfd_h_put_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) + +#define H_PUT_8 bfd_h_put_8 + +#define H_PUT_S64(abfd, val, where) \ + bfd_h_put_signed_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) + +#define H_PUT_S32(abfd, val, where) \ + bfd_h_put_signed_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) + +#define H_PUT_S16(abfd, val, where) \ + bfd_h_put_signed_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) + +#define H_PUT_S8 bfd_h_put_signed_8 + +#define H_GET_64(abfd, where) \ + bfd_h_get_64 ((abfd), (bfd_byte *) (where)) + +#define H_GET_32(abfd, where) \ + bfd_h_get_32 ((abfd), (bfd_byte *) (where)) + +#define H_GET_16(abfd, where) \ + bfd_h_get_16 ((abfd), (bfd_byte *) (where)) + +#define H_GET_8 bfd_h_get_8 + +#define H_GET_S64(abfd, where) \ + bfd_h_get_signed_64 ((abfd), (bfd_byte *) (where)) + +#define H_GET_S32(abfd, where) \ + bfd_h_get_signed_32 ((abfd), (bfd_byte *) (where)) + +#define H_GET_S16(abfd, where) \ + bfd_h_get_signed_16 ((abfd), (bfd_byte *) (where)) + +#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. */ #if ARCH_SIZE==64 -#define GET_WORD bfd_h_get_64 -#define GET_SWORD bfd_h_get_signed_64 -#define GET_MAGIC bfd_h_get_32 -#define PUT_WORD bfd_h_put_64 -#define PUT_MAGIC bfd_h_put_32 +#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) CAT3(x,_64_,y) #endif @@ -44,22 +91,22 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define BYTES_IN_WORD 8 #else #if ARCH_SIZE==16 -#define GET_WORD bfd_h_get_16 -#define GET_SWORD bfd_h_get_signed_16 -#define GET_MAGIC bfd_h_get_16 -#define PUT_WORD bfd_h_put_16 -#define PUT_MAGIC bfd_h_put_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) CAT3(x,_16_,y) #endif #define JNAME(x) CAT(x,_16) #define BYTES_IN_WORD 2 #else /* ARCH_SIZE == 32 */ -#define GET_WORD bfd_h_get_32 -#define GET_SWORD bfd_h_get_signed_32 -#define GET_MAGIC bfd_h_get_32 -#define PUT_WORD bfd_h_put_32 -#define PUT_MAGIC bfd_h_put_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) CAT3(x,_32_,y) #endif @@ -143,7 +190,8 @@ struct aout_backend_data /* Callback for setting the page and segment sizes, if they can't be trivially determined from the architecture. */ - boolean (*set_sizes) PARAMS ((bfd *)); + 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 @@ -152,44 +200,43 @@ struct aout_backend_data /* 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 **)); + 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 **)); + 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 *)); + 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 *)); + 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)); + 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 *)); + boolean (*finish_dynamic_link) + PARAMS ((bfd *, struct bfd_link_info *)); }; #define aout_backend_info(abfd) \ - ((CONST struct aout_backend_data *)((abfd)->xvec->backend_data)) + ((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. @@ -216,7 +263,7 @@ struct internal_exec char a_relaxable; /* Enough info for linker relax */ }; -/* Magic number is written +/* Magic number is written < MSB > 3130292827262524232221201918171615141312111009080706050403020100 < FLAGS >< MACHINE TYPE >< MAGIC NUMBER > @@ -325,7 +372,7 @@ typedef struct aout_symbol { 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; @@ -440,148 +487,126 @@ struct aout_section_data_struct /* Prototype declarations for functions defined in aoutx.h */ -boolean -NAME(aout,squirt_out_relocs) PARAMS ((bfd *abfd, asection *section)); +extern boolean NAME(aout,squirt_out_relocs) + PARAMS ((bfd *, asection *)); -boolean -NAME(aout,make_sections) PARAMS ((bfd *)); +extern boolean NAME(aout,make_sections) + PARAMS ((bfd *)); -const bfd_target * -NAME(aout,some_aout_object_p) PARAMS ((bfd *abfd, - struct internal_exec *execp, - const bfd_target *(*callback)(bfd *))); +extern const bfd_target * NAME(aout,some_aout_object_p) + PARAMS ((bfd *, struct internal_exec *, const bfd_target *(*) (bfd *))); -boolean -NAME(aout,mkobject) PARAMS ((bfd *abfd)); +extern boolean NAME(aout,mkobject) + PARAMS ((bfd *)); -enum machine_type -NAME(aout,machine_type) PARAMS ((enum bfd_architecture arch, - unsigned long machine, - boolean *unknown)); +extern enum machine_type NAME(aout,machine_type) + PARAMS ((enum bfd_architecture, unsigned long, boolean *)); -boolean -NAME(aout,set_arch_mach) PARAMS ((bfd *abfd, enum bfd_architecture arch, - unsigned long machine)); +extern boolean NAME(aout,set_arch_mach) + PARAMS ((bfd *, enum bfd_architecture, unsigned long)); -boolean -NAME(aout,new_section_hook) PARAMS ((bfd *abfd, asection *newsect)); +extern boolean NAME(aout,new_section_hook) + PARAMS ((bfd *, asection *)); -boolean -NAME(aout,set_section_contents) PARAMS ((bfd *abfd, sec_ptr section, - PTR location, file_ptr offset, bfd_size_type count)); +extern boolean NAME(aout,set_section_contents) + PARAMS ((bfd *, sec_ptr, PTR, file_ptr, bfd_size_type)); -asymbol * -NAME(aout,make_empty_symbol) PARAMS ((bfd *abfd)); +extern asymbol * NAME(aout,make_empty_symbol) + PARAMS ((bfd *)); -boolean -NAME(aout,translate_symbol_table) PARAMS ((bfd *, aout_symbol_type *, - struct external_nlist *, - bfd_size_type, char *, - bfd_size_type, - boolean dynamic)); +extern boolean NAME(aout,translate_symbol_table) + PARAMS ((bfd *, aout_symbol_type *, struct external_nlist *, bfd_size_type, + char *, bfd_size_type, boolean)); -boolean -NAME(aout,slurp_symbol_table) PARAMS ((bfd *abfd)); +extern boolean NAME(aout,slurp_symbol_table) + PARAMS ((bfd *)); -boolean -NAME(aout,write_syms) PARAMS ((bfd *abfd)); +extern boolean NAME(aout,write_syms) + PARAMS ((bfd *)); -void -NAME(aout,reclaim_symbol_table) PARAMS ((bfd *abfd)); +extern void NAME(aout,reclaim_symbol_table) + PARAMS ((bfd *)); -long -NAME(aout,get_symtab_upper_bound) PARAMS ((bfd *abfd)); +extern long NAME(aout,get_symtab_upper_bound) + PARAMS ((bfd *)); -long -NAME(aout,get_symtab) PARAMS ((bfd *abfd, asymbol **location)); +extern long NAME(aout,get_symtab) + PARAMS ((bfd *, asymbol **)); -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)); +extern void NAME(aout,swap_ext_reloc_in) + PARAMS ((bfd *, struct reloc_ext_external *, arelent *, asymbol **, + bfd_size_type)); +extern 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)); +extern reloc_howto_type * NAME(aout,reloc_type_lookup) + PARAMS ((bfd *, bfd_reloc_code_real_type)); -boolean -NAME(aout,slurp_reloc_table) PARAMS ((bfd *abfd, sec_ptr asect, - asymbol **symbols)); +extern boolean NAME(aout,slurp_reloc_table) + PARAMS ((bfd *, sec_ptr, asymbol **)); -long -NAME(aout,canonicalize_reloc) PARAMS ((bfd *abfd, sec_ptr section, - arelent **relptr, asymbol **symbols)); +extern long NAME(aout,canonicalize_reloc) + PARAMS ((bfd *, sec_ptr, arelent **, asymbol **)); -long -NAME(aout,get_reloc_upper_bound) PARAMS ((bfd *abfd, sec_ptr asect)); +extern long NAME(aout,get_reloc_upper_bound) + PARAMS ((bfd *, sec_ptr)); -void -NAME(aout,reclaim_reloc) PARAMS ((bfd *ignore_abfd, sec_ptr ignore)); +extern void NAME(aout,reclaim_reloc) + PARAMS ((bfd *, sec_ptr)); -alent * -NAME(aout,get_lineno) PARAMS ((bfd *ignore_abfd, asymbol *ignore_symbol)); +extern alent * NAME(aout,get_lineno) + PARAMS ((bfd *, asymbol *)); -void -NAME(aout,print_symbol) PARAMS ((bfd *ignore_abfd, PTR file, - asymbol *symbol, bfd_print_symbol_type how)); +extern void NAME(aout,print_symbol) + PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type)); -void -NAME(aout,get_symbol_info) PARAMS ((bfd *ignore_abfd, - asymbol *symbol, symbol_info *ret)); +extern void NAME(aout,get_symbol_info) + PARAMS ((bfd *, asymbol *, symbol_info *)); -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)); +extern boolean NAME(aout,find_nearest_line) + PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, + const char **, unsigned int *)); -long -NAME(aout,read_minisymbols) PARAMS ((bfd *, boolean, PTR *, unsigned int *)); +extern long NAME(aout,read_minisymbols) + PARAMS ((bfd *, boolean, PTR *, unsigned int *)); -asymbol * -NAME(aout,minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR, - asymbol *)); +extern asymbol * NAME(aout,minisymbol_to_symbol) + PARAMS ((bfd *, boolean, const PTR, asymbol *)); -int -NAME(aout,sizeof_headers) PARAMS ((bfd *abfd, boolean exec)); +extern int NAME(aout,sizeof_headers) + PARAMS ((bfd *, boolean)); -boolean -NAME(aout,adjust_sizes_and_vmas) PARAMS ((bfd *abfd, - bfd_size_type *text_size, file_ptr *text_end)); +extern boolean NAME(aout,adjust_sizes_and_vmas) + PARAMS ((bfd *, bfd_size_type *, file_ptr *)); -void -NAME(aout,swap_exec_header_in) PARAMS ((bfd *abfd, - struct external_exec *raw_bytes, struct internal_exec *execp)); +extern void NAME(aout,swap_exec_header_in) + PARAMS ((bfd *, struct external_exec *, struct internal_exec *)); -void -NAME(aout,swap_exec_header_out) PARAMS ((bfd *abfd, - struct internal_exec *execp, struct external_exec *raw_bytes)); +extern void NAME(aout,swap_exec_header_out) + PARAMS ((bfd *, struct internal_exec *, struct external_exec *)); -struct bfd_hash_entry * -NAME(aout,link_hash_newfunc) +extern struct bfd_hash_entry * NAME(aout,link_hash_newfunc) PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); -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 *))); +extern 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 *)); +extern 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 *)); +extern 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 *))); +extern 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 *)); +extern boolean NAME(aout,bfd_free_cached_info) + PARAMS ((bfd *)); /* A.out uses the generic versions of these routines... */ @@ -615,31 +640,32 @@ NAME(aout,bfd_free_cached_info) PARAMS ((bfd *)); 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) return false; \ - if (bfd_write ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd) \ - != EXEC_BYTES_SIZE) \ + if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 \ + || bfd_bwrite ((PTR) &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) != (asymbol **) NULL \ && bfd_get_symcount (abfd) != 0) \ { \ - if (bfd_seek (abfd, (file_ptr)(N_SYMOFF(*execp)), SEEK_SET) != 0) \ + if (bfd_seek (abfd, (file_ptr) (N_SYMOFF(*execp)), SEEK_SET) != 0)\ return false; \ \ - if (! NAME(aout,write_syms)(abfd)) return false; \ + if (! NAME(aout,write_syms) (abfd)) \ + return false; \ } \ \ - if (bfd_seek (abfd, (file_ptr)(N_TRELOFF(*execp)), SEEK_SET) != 0) \ + 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) \ + if (bfd_seek (abfd, (file_ptr) (N_DRELOFF(*execp)), SEEK_SET) != 0) \ return false; \ - if (!NAME(aout,squirt_out_relocs)(abfd, obj_datasec (abfd))) \ + if (!NAME(aout,squirt_out_relocs) (abfd, obj_datasec (abfd))) \ return false; \ - } + } #endif #endif /* ! defined (LIBAOUT_H) */ |