diff options
Diffstat (limited to 'contrib/binutils/bfd/bfd.c')
| -rw-r--r-- | contrib/binutils/bfd/bfd.c | 103 |
1 files changed, 78 insertions, 25 deletions
diff --git a/contrib/binutils/bfd/bfd.c b/contrib/binutils/bfd/bfd.c index e04172f..2e172c9 100644 --- a/contrib/binutils/bfd/bfd.c +++ b/contrib/binutils/bfd/bfd.c @@ -33,10 +33,10 @@ SECTION CODE_FRAGMENT . -.struct _bfd +.struct _bfd .{ . {* The filename the application opened the BFD with. *} -. CONST char *filename; +. CONST char *filename; . . {* A pointer to the target jump table. *} . const struct bfd_target *xvec; @@ -69,7 +69,7 @@ CODE_FRAGMENT . {* When a file is closed by the caching routines, BFD retains . state information on the file here: *} . -. file_ptr where; +. file_ptr where; . . {* and here: (``once'' means at least once) *} . @@ -82,7 +82,7 @@ CODE_FRAGMENT . . {* File modified time, if mtime_set is true: *} . -. long mtime; +. long mtime; . . {* Reserved for an unimplemented file locking extension.*} . @@ -101,13 +101,13 @@ CODE_FRAGMENT . . {* Format_specific flags*} . -. flagword flags; +. flagword flags; . . {* Currently my_archive is tested before adding origin to . anything. I believe that this can become always an add of . origin, with origin set to 0 for non archive files. *} . -. file_ptr origin; +. file_ptr origin; . . {* Remember when output has begun, to stop strange things . from happening. *} @@ -119,7 +119,7 @@ CODE_FRAGMENT . {* The number of sections *} . unsigned int section_count; . -. {* Stuff only useful for object files: +. {* Stuff only useful for object files: . The start address. *} . bfd_vma start_address; . @@ -127,17 +127,17 @@ CODE_FRAGMENT . unsigned int symcount; . . {* Symbol table for output BFD (with symcount entries) *} -. struct symbol_cache_entry **outsymbols; +. struct symbol_cache_entry **outsymbols; . . {* Pointer to structure which contains architecture information*} . const struct bfd_arch_info *arch_info; . . {* Stuff only useful for archives:*} -. PTR arelt_data; +. PTR arelt_data; . struct _bfd *my_archive; {* The containing archive BFD. *} . struct _bfd *next; {* The next BFD in the archive. *} . struct _bfd *archive_head; {* The first BFD in the archive. *} -. boolean has_armap; +. boolean has_armap; . . {* A chain of BFD structures involved in a link. *} . struct _bfd *link_next; @@ -148,7 +148,7 @@ CODE_FRAGMENT . . {* Used by the back end to hold private data. *} . -. union +. union . { . struct aout_data_struct *aout_data; . struct artdata *aout_ar_data; @@ -180,7 +180,7 @@ CODE_FRAGMENT . struct netbsd_core_struct *netbsd_core_data; . PTR any; . } tdata; -. +. . {* Used by the application to hold private data*} . PTR usrdata; . @@ -218,8 +218,6 @@ CODE_FRAGMENT struct which ultimately gets passed in to the bfd. When it arrives, copy it to the following struct so that the data will be available in coffcode.h where it is needed. The typedef's used are defined in bfd.h */ - - /* SECTION @@ -376,7 +374,7 @@ bfd_perror (message) CONST char *message; { if (bfd_get_error () == bfd_error_system_call) - perror((char *)message); /* must be system error then... */ + perror((char *)message); /* must be system error then... */ else { if (message == NULL || *message == '\0') fprintf (stderr, "%s\n", bfd_errmsg (bfd_get_error ())); @@ -510,7 +508,6 @@ bfd_set_error_program_name (name) _bfd_error_program_name = name; } - /* FUNCTION bfd_get_error_handler @@ -547,7 +544,6 @@ DESCRIPTION */ - long bfd_get_reloc_upper_bound (abfd, asect) bfd *abfd; @@ -584,7 +580,6 @@ DESCRIPTION The @var{syms} table is also needed for horrible internal magic reasons. - */ long bfd_canonicalize_reloc (abfd, asect, location, symbols) @@ -615,7 +610,7 @@ DESCRIPTION The argument @var{abfd} is ignored. */ -/*ARGSUSED*/ + void bfd_set_reloc (ignore_abfd, asect, location, count) bfd *ignore_abfd ATTRIBUTE_UNUSED; @@ -706,6 +701,65 @@ _bfd_abort (file, line, fn) /* FUNCTION + bfd_get_arch_size + +SYNOPSIS + int bfd_get_arch_size (bfd *abfd); + +DESCRIPTION + Returns the architecture address size, in bits, as determined + by the object file's format. For ELF, this information is + included in the header. + +RETURNS + Returns the arch size in bits if known, <<-1>> otherwise. +*/ + +int +bfd_get_arch_size (abfd) + bfd *abfd; +{ + if (abfd->xvec->flavour == bfd_target_elf_flavour) + return (get_elf_backend_data (abfd))->s->arch_size; + + bfd_set_error (bfd_error_wrong_format); + return -1; +} + +/* +FUNCTION + bfd_get_sign_extend_vma + +SYNOPSIS + int bfd_get_sign_extend_vma (bfd *abfd); + +DESCRIPTION + Indicates if the target architecture "naturally" sign extends + an address. Some architectures implicitly sign extend address + values when they are converted to types larger than the size + of an address. For instance, bfd_get_start_address() will + return an address sign extended to fill a bfd_vma when this is + the case. + +RETURNS + Returns <<1>> if the target architecture is known to sign + extend addresses, <<0>> if the target architecture is known to + not sign extend addresses, and <<-1>> otherwise. +*/ + +int +bfd_get_sign_extend_vma (abfd) + bfd *abfd; +{ + if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) + return (get_elf_backend_data (abfd)->sign_extend_vma); + + bfd_set_error (bfd_error_wrong_format); + return -1; +} + +/* +FUNCTION bfd_set_start_address SYNOPSIS @@ -727,7 +781,6 @@ bfd_vma vma; return true; } - /* FUNCTION bfd_get_mtime @@ -779,7 +832,7 @@ DESCRIPTION Instead, we want to ask questions like "is this NNN byte sized object I'm about to try read from file offset YYY reasonable?" As as example of where we might do this, some object formats - use string tables for which the first <<sizeof(long)>> bytes of the + use string tables for which the first <<sizeof (long)>> bytes of the table contain the size of the table itself, including the size bytes. If an application tries to read what it thinks is one of these string tables, without some way to validate the size, and for @@ -926,7 +979,7 @@ bfd_scan_vma (string, end, base) int digit; /* Let the host do it if possible. */ - if (sizeof(bfd_vma) <= sizeof(unsigned long)) + if (sizeof (bfd_vma) <= sizeof (unsigned long)) return (bfd_vma) strtoul (string, (char **) end, base); /* A negative base makes no sense, and we only need to go as high as hex. */ @@ -950,7 +1003,7 @@ bfd_scan_vma (string, end, base) (string[0] == '0') && ((string[1] == 'x') || (string[1] == 'X'))) string += 2; /* XXX should we also skip over "0b" or "0B" if base is 2? */ - + /* Speed could be improved with a table like hex_value[] in gas. */ #define HEX_VALUE(c) \ (isxdigit ((unsigned char) c) \ @@ -978,7 +1031,7 @@ SYNOPSIS boolean bfd_copy_private_bfd_data(bfd *ibfd, bfd *obfd); DESCRIPTION - Copy private BFD information from the BFD @var{ibfd} to the + Copy private BFD information from the BFD @var{ibfd} to the the BFD @var{obfd}. Return <<true>> on success, <<false>> on error. Possible error returns are: @@ -999,7 +1052,7 @@ SYNOPSIS boolean bfd_merge_private_bfd_data(bfd *ibfd, bfd *obfd); DESCRIPTION - Merge private BFD information from the BFD @var{ibfd} to the + Merge private BFD information from the BFD @var{ibfd} to the the output file BFD @var{obfd} when linking. Return <<true>> on success, <<false>> on error. Possible error returns are: |
