From: Nick Clifton Date: Thu, 21 Dec 2000 18:20:04 +0000 (+0000) Subject: Add bfd_get_bits() and bfd_put_bits(). X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8c603c85a1a36ac618c2f03d69686a7985a5ab77;p=binutils-gdb.git Add bfd_get_bits() and bfd_put_bits(). --- diff --git a/bfd/ChangeLog b/bfd/ChangeLog index c0d5df67850..4830e2bc35d 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,10 @@ +2000-12-21 Richard Sandiford + + * libbfd.c (bfd_get_bits): Added + (bfd_put_bits): Likewise + * bfd-in.h: Declared the above. + * bfd-in2.h: Regenerated. + 2000-12-20 Kazu Hirata * targets.c: Fix formatting. diff --git a/bfd/bfd-in.h b/bfd/bfd-in.h index cc030246bc1..08d597fa281 100644 --- a/bfd/bfd-in.h +++ b/bfd/bfd-in.h @@ -538,6 +538,11 @@ void bfd_putb32 PARAMS ((bfd_vma, unsigned char *)); void bfd_putl32 PARAMS ((bfd_vma, unsigned char *)); void bfd_putb16 PARAMS ((bfd_vma, unsigned char *)); void bfd_putl16 PARAMS ((bfd_vma, unsigned char *)); + +/* Byte swapping routines which take size and endiannes as arguments. */ + +bfd_vma bfd_get_bits PARAMS ((bfd_byte *, int, boolean)); +void bfd_put_bits PARAMS ((bfd_vma, bfd_byte *, int, boolean)); /* Externally visible ECOFF routines. */ diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h index 03794fae676..5fe2b47ae9b 100644 --- a/bfd/bfd-in2.h +++ b/bfd/bfd-in2.h @@ -538,6 +538,11 @@ void bfd_putb32 PARAMS ((bfd_vma, unsigned char *)); void bfd_putl32 PARAMS ((bfd_vma, unsigned char *)); void bfd_putb16 PARAMS ((bfd_vma, unsigned char *)); void bfd_putl16 PARAMS ((bfd_vma, unsigned char *)); + +/* Byte swapping routines which take size and endiannes as arguments. */ + +bfd_vma bfd_get_bits PARAMS ((bfd_byte *, int, boolean)); +void bfd_put_bits PARAMS ((bfd_vma, bfd_byte *, int, boolean)); /* Externally visible ECOFF routines. */ @@ -1303,7 +1308,7 @@ bfd_set_section_flags PARAMS ((bfd *abfd, asection *sec, flagword flags)); void bfd_map_over_sections PARAMS ((bfd *abfd, - void (*func)(bfd *abfd, + void (*func) (bfd *abfd, asection *sect, PTR obj), PTR obj)); @@ -3186,13 +3191,13 @@ core_file_matches_executable_p (bfd_assert (__FILE__,__LINE__), NULL)) #endif #define BFD_SEND_FMT(bfd, message, arglist) \ - (((bfd)->xvec->message[(int)((bfd)->format)]) arglist) + (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist) #ifdef DEBUG_BFD_SEND #undef BFD_SEND_FMT #define BFD_SEND_FMT(bfd, message, arglist) \ (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \ - (((bfd)->xvec->message[(int)((bfd)->format)]) arglist) : \ + (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist) : \ (bfd_assert (__FILE__,__LINE__), NULL)) #endif enum bfd_flavour { @@ -3227,10 +3232,10 @@ typedef struct bfd_target enum bfd_flavour flavour; enum bfd_endian byteorder; enum bfd_endian header_byteorder; - flagword object_flags; + flagword object_flags; flagword section_flags; char symbol_leading_char; - char ar_pad_char; + char ar_pad_char; unsigned short ar_max_namelen; bfd_vma (*bfd_getx64) PARAMS ((const bfd_byte *)); bfd_signed_vma (*bfd_getx_signed_64) PARAMS ((const bfd_byte *)); @@ -3269,7 +3274,7 @@ CAT(NAME,_get_section_contents_in_window) /* Called when a new section is created. */ boolean (*_new_section_hook) PARAMS ((bfd *, sec_ptr)); /* Read the contents of a section. */ - boolean (*_bfd_get_section_contents) PARAMS ((bfd *, sec_ptr, PTR, + boolean (*_bfd_get_section_contents) PARAMS ((bfd *, sec_ptr, PTR, file_ptr, bfd_size_type)); boolean (*_bfd_get_section_contents_in_window) PARAMS ((bfd *, sec_ptr, bfd_window *, @@ -3293,7 +3298,7 @@ CAT(NAME,_bfd_print_private_bfd_data)\ to another. */ boolean (*_bfd_copy_private_section_data) PARAMS ((bfd *, sec_ptr, bfd *, sec_ptr)); - /* Called to copy BFD private symbol data from one symbol + /* Called to copy BFD private symbol data from one symbol to another. */ boolean (*_bfd_copy_private_symbol_data) PARAMS ((bfd *, asymbol *, bfd *, asymbol *)); @@ -3329,10 +3334,10 @@ CAT(NAME,_update_armap_timestamp) boolean (*_bfd_construct_extended_name_table) PARAMS ((bfd *, char **, bfd_size_type *, const char **)); void (*_bfd_truncate_arname) PARAMS ((bfd *, CONST char *, char *)); - boolean (*write_armap) PARAMS ((bfd *arch, + boolean (*write_armap) PARAMS ((bfd *arch, unsigned int elength, struct orl *map, - unsigned int orl_count, + unsigned int orl_count, int stridx)); PTR (*_bfd_read_ar_hdr_fn) PARAMS ((bfd *)); bfd * (*openr_next_archived_file) PARAMS ((bfd *arch, bfd *prev)); @@ -3465,11 +3470,11 @@ CAT(NAME,_canonicalize_dynamic_reloc) long (*_bfd_canonicalize_dynamic_reloc) PARAMS ((bfd *, arelent **, struct symbol_cache_entry **)); - /* Opposite endian version of this target. */ + /* Opposite endian version of this target. */ const struct bfd_target * alternative_target; - + PTR backend_data; - + } bfd_target; boolean bfd_set_default_target PARAMS ((const char *name)); @@ -3481,7 +3486,7 @@ const char ** bfd_target_list PARAMS ((void)); const bfd_target * -bfd_search_for_target PARAMS ((int (* search_func)(const bfd_target *, void *), void *)); +bfd_search_for_target PARAMS ((int (* search_func) (const bfd_target *, void *), void *)); boolean bfd_check_format PARAMS ((bfd *abfd, bfd_format format)); diff --git a/bfd/libbfd.c b/bfd/libbfd.c index 47f1ebbe2bd..c570ddf459b 100644 --- a/bfd/libbfd.c +++ b/bfd/libbfd.c @@ -1190,6 +1190,54 @@ bfd_putl64 (data, addr) BFD_FAIL(); #endif } + +void +bfd_put_bits (data, addr, bits, big_p) + bfd_vma data; + bfd_byte *addr; + int bits; + boolean big_p; +{ + int i; + int bytes; + + if (bits % 8 != 0) + abort (); + + bytes = bits / 8; + for (i = 0; i < bytes; i++) + { + int index = big_p ? bytes - i - 1 : i; + + addr[index] = (bfd_byte) data; + data >>= 8; + } +} + +bfd_vma +bfd_get_bits (addr, bits, big_p) + bfd_byte *addr; + int bits; + boolean big_p; +{ + bfd_vma data; + int i; + int bytes; + + if (bits % 8 != 0) + abort (); + + data = 0; + bytes = bits / 8; + for (i = 0; i < bytes; i++) + { + int index = big_p ? i : bytes - i - 1; + + data = (data << 8) | addr[index]; + } + + return data; +} /* Default implementation */ diff --git a/bfd/po/bfd.pot b/bfd/po/bfd.pot index 249b50cee97..200979132aa 100644 --- a/bfd/po/bfd.pot +++ b/bfd/po/bfd.pot @@ -6,7 +6,7 @@ msgid "" msgstr "" "Project-Id-Version: PACKAGE VERSION\n" -"POT-Creation-Date: 2000-12-18 10:57-0800\n" +"POT-Creation-Date: 2000-12-21 10:12-0800\n" "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n" "Last-Translator: FULL NAME \n" "Language-Team: LANGUAGE \n" @@ -1425,12 +1425,12 @@ msgstr "" msgid "not mapping: env var not set\n" msgstr "" -#: libbfd.c:1335 +#: libbfd.c:1383 #, c-format msgid "%s: compiled for a big endian system and target is little endian" msgstr "" -#: libbfd.c:1337 +#: libbfd.c:1385 #, c-format msgid "%s: compiled for a little endian system and target is big endian" msgstr "" @@ -1864,12 +1864,12 @@ msgstr "" msgid "som_sizeof_headers unimplemented" msgstr "" -#: srec.c:301 +#: srec.c:300 #, c-format msgid "%s:%d: Unexpected character `%s' in S-record file\n" msgstr "" -#: syms.c:974 +#: syms.c:968 msgid "Unsupported .stab relocation" msgstr ""