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author | Steve Chamberlain <steve@cygnus> | 1991-07-04 16:52:56 +0000 |
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committer | Steve Chamberlain <steve@cygnus> | 1991-07-04 16:52:56 +0000 |
commit | 6f715d66ad223169971e668f968db6774c41e52a (patch) | |
tree | ba2ed95455971316e40110307b839a3dccd06cdb /bfd/bfd.c | |
parent | 985fca129365a7bfa8e8e91b4d8b57d65f308583 (diff) | |
download | gdb-6f715d66ad223169971e668f968db6774c41e52a.zip gdb-6f715d66ad223169971e668f968db6774c41e52a.tar.gz gdb-6f715d66ad223169971e668f968db6774c41e52a.tar.bz2 |
Now full of documentation. Yum Yum.
Diffstat (limited to 'bfd/bfd.c')
-rw-r--r-- | bfd/bfd.c | 947 |
1 files changed, 221 insertions, 726 deletions
@@ -1,11 +1,3 @@ - /* -*- C -*- */ - -/*** bfd -- binary file diddling routines by Gumby Wallace of Cygnus Support. - Every definition in this file should be exported and declared - in bfd.h. If you don't want it to be user-visible, put it in - libbfd.c! -*/ - /* Copyright (C) 1990, 1991 Free Software Foundation, Inc. This file is part of BFD, the Binary File Diddler. @@ -24,55 +16,198 @@ You should have received a copy of the GNU General Public License along with BFD; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + /* $Id$ */ + +/*proto* +@section typedef bfd + +Pointers to bfd structs are the cornerstone of any application using +libbfd. References though the bfd and to data in the bfd give the +entire bfd functionality. + +Finally! The BFD struct itself. This contains the major data about +the file, and contains pointers to the rest of the data. + +*+++ + +$struct _bfd +${ + The filename the application opened the bfd with. + +$ CONST char *filename; + +A pointer to the target jump table. + +$ struct bfd_target *xvec; + + +To avoid dragging too many header files into every file that +includes bfd.h, IOSTREAM has been declared as a "char *", and MTIME +as a "long". Their correct types, to which they are cast when used, +are "FILE *" and "time_t". + +The iostream is the result of an fopen on the filename. + +$ char *iostream; + +Is the file being cached @xref{File Caching}. + +$ boolean cacheable; + +Marks whether there was a default target specified when the bfd was +opened. This is used to select what matching algorithm to use to chose +the back end. + +$ boolean target_defaulted; + +The caching routines use these to maintain an LRU list of bfds. + +$ struct _bfd *lru_prev, *lru_next; + +When a file is closed by the caching routines, it retains the state +here: + +$ file_ptr where; + +and here: + +$ boolean opened_once; + +$ boolean mtime_set; +File modified time + +$ long mtime; + +For output files, channel we locked (is this used?). + +$int ifd; + +The format which belongs to the bfd. + +$ bfd_format format; + +The direction the bfd was opened with + +$ enum bfd_direction {no_direction = 0, +$ read_direction = 1, +$ write_direction = 2, +$ both_direction = 3} direction; + +Format_specific 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; + +Remember when output has begun, to stop strange things happening. + +$ boolean output_has_begun; + +Pointer to linked list of sections + +$ struct sec *sections; + +The number of sections + +$ unsigned int section_count; + +Stuff only usefull for object files: +The start address. + +$ bfd_vma start_address; +Used for input and output + +$ unsigned int symcount; +Symtab for output bfd + +$ struct symbol_cache_entry **outsymbols; + +Architecture of object machine, eg m68k + +$ enum bfd_architecture obj_arch; + +Particular machine within arch, e.g. 68010 + +$ unsigned long obj_machine; + +Stuff only usefull for archives: + +$ PTR arelt_data; +$ struct _bfd *my_archive; +$ struct _bfd *next; +$ struct _bfd *archive_head; +$ boolean has_armap; + +Used by the back end to hold private data. + +$ PTR tdata; + +Used by the application to hold private data + +$ PTR usrdata; + +Where all the allocated stuff under this BFD goes + +$ struct obstack memory; +$}; + +*--- + +*/ #include <sysdep.h> #include "bfd.h" #include "libbfd.h" + short _bfd_host_big_endian = 0x0100; - /* Accessing the above as (*(char*)&_bfd_host_big_endian), will - return 1 if the host is big-endian, 0 otherwise. - (assuming that a short is two bytes long!!! FIXME) - (See HOST_IS_BIG_ENDIAN_P in bfd.h.) */ + /* Accessing the above as (*(char*)&_bfd_host_big_endian), will + return 1 if the host is big-endian, 0 otherwise. + (assuming that a short is two bytes long!!! FIXME) + (See HOST_IS_BIG_ENDIAN_P in bfd.h.) */ /** Error handling o - Most functions return nonzero on success (check doc for - precise semantics); 0 or NULL on error. + precise semantics); 0 or NULL on error. o - Internal errors are documented by the value of bfd_error. - If that is system_call_error then check errno. + If that is system_call_error then check errno. o - The easiest way to report this to the user is to use bfd_perror. */ bfd_ec bfd_error = no_error; -char *bfd_errmsgs[] = { "No error", - "System call error", - "Invalid target", - "File in wrong format", - "Invalid operation", - "Memory exhausted", - "No symbols", - "No relocation info", - "No more archived files", - "Malformed archive", - "Symbol not found", - "File format not recognized", - "File format is ambiguous", - "Section has no contents", - "Nonrepresentable section on output", - "#<Invalid error code>" - }; +char *bfd_errmsgs[] = { "No error", + "System call error", + "Invalid target", + "File in wrong format", + "Invalid operation", + "Memory exhausted", + "No symbols", + "No relocation info", + "No more archived files", + "Malformed archive", + "Symbol not found", + "File format not recognized", + "File format is ambiguous", + "Section has no contents", + "Nonrepresentable section on output", + "#<Invalid error code>" + }; static void DEFUN(bfd_nonrepresentable_section,(abfd, name), - CONST bfd * CONST abfd AND - CONST char * CONST name) + CONST bfd * CONST abfd AND + CONST char * CONST name) { printf("bfd error writing file %s, format %s can't represent section %s\n", - abfd->filename, - abfd->xvec->name, - name); + abfd->filename, + abfd->xvec->name, + name); exit(1); } @@ -90,7 +225,7 @@ strerror (code) extern char *sys_errlist[]; return (((code < 0) || (code >= sys_nerr)) ? "(unknown error)" : - sys_errlist [code]); + sys_errlist [code]); } #endif /* not ANSI_LIBRARIES */ @@ -127,7 +262,7 @@ DEFUN(bfd_perror,(message), CONST char *message) { if (bfd_error == system_call_error) - 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_error)); @@ -136,415 +271,11 @@ DEFUN(bfd_perror,(message), } } -/* for error messages */ -char * -bfd_format_string (format) - bfd_format format; -{ - if (((int)format <(int) bfd_unknown) || ((int)format >=(int) bfd_type_end)) return "invalid"; - - switch (format) { - case bfd_object: return "object"; /* linker/assember/compiler output */ - case bfd_archive: return "archive"; /* object archive file */ - case bfd_core: return "core"; /* core dump */ - default: return "unknown"; - } -} - -/** Target configurations */ - -extern bfd_target *target_vector[]; -extern bfd_target *default_vector[]; - -/* Returns a pointer to the transfer vector for the object target - named target_name. If target_name is NULL, chooses the one in the - environment variable GNUTARGET; if that is null or not defined then - the first entry in the target list is chosen. Passing in the - string "default" or setting the environment variable to "default" - will cause the first entry in the target list to be returned, - and "target_defaulted" will be set in the bfd. This causes - bfd_check_format to loop over all the targets to find the one - that matches the file being read. */ - -bfd_target * -DEFUN(bfd_find_target,(target_name, abfd), - CONST char *target_name AND - bfd *abfd) -{ - bfd_target **target; - extern char *getenv (); - CONST char *targname = (target_name ? target_name : getenv ("GNUTARGET")); - - /* This is safe; the vector cannot be null */ - if (targname == NULL || !strcmp (targname, "default")) { - abfd->target_defaulted = true; - return abfd->xvec = target_vector[0]; - } - - abfd->target_defaulted = false; - - for (target = &target_vector[0]; *target != NULL; target++) { - if (!strcmp (targname, (*target)->name)) - return abfd->xvec = *target; - } - - bfd_error = invalid_target; - return NULL; -} - - -/* Returns a freshly-consed, NULL-terminated vector of the names of all the - valid bfd targets. Do not modify the names */ - -char ** -bfd_target_list () -{ - int vec_length= 0; - bfd_target **target; - char **name_list, **name_ptr; - - for (target = &target_vector[0]; *target != NULL; target++) - vec_length++; - - name_ptr = name_list = (char **) zalloc ((vec_length + 1) * sizeof (char **)); - - if (name_list == NULL) { - bfd_error = no_memory; - return NULL; - } - - for (target = &target_vector[0]; *target != NULL; target++) - *(name_ptr++) = (*target)->name; - - return name_list; -} - -/* Init a bfd for read of the proper format. If the target was unspecified, - search all the possible targets. */ - -boolean -DEFUN(bfd_check_format,(abfd, format), - bfd *abfd AND - bfd_format format) -{ - bfd_target **target, *save_targ, *right_targ; - int match_count; - - if (!bfd_read_p (abfd) || - ((int)(abfd->format) < (int)bfd_unknown) || - ((int)(abfd->format) >= (int)bfd_type_end)) { - bfd_error = invalid_operation; - return false; - } - - if (abfd->format != bfd_unknown) - return (abfd->format == format)? true: false; - - /* presume the answer is yes */ - abfd->format = format; - - /* If the target type was explicitly specified, just check that target. */ - - if (!abfd->target_defaulted) { - bfd_seek (abfd, (file_ptr)0, SEEK_SET); /* rewind! */ - - right_targ = BFD_SEND_FMT (abfd, _bfd_check_format, (abfd)); - if (right_targ) { - abfd->xvec = right_targ; /* Set the target as returned */ - return true; /* File position has moved, BTW */ - } - return false; /* Specified target is not right */ - } - - /* Since the target type was defaulted, check them - all in the hope that one will be uniquely recognized. */ - - save_targ = abfd->xvec; - match_count = 0; - right_targ = 0; - - for (target = target_vector; *target != NULL; target++) { - bfd_target *temp; - - abfd->xvec = *target; /* Change BFD's target temporarily */ - bfd_seek (abfd, (file_ptr)0, SEEK_SET); - temp = BFD_SEND_FMT (abfd, _bfd_check_format, (abfd)); - if (temp) { /* This format checks out as ok! */ - right_targ = temp; - match_count++; - /* If this is the default target, accept it, even if other targets - might match. People who want those other targets have to set - the GNUTARGET variable. */ - if (temp == default_vector[0]) - break; -#ifdef GNU960 - /* Big- and little-endian b.out archives look the same, but it doesn't - * matter: there is no difference in their headers, and member file byte - * orders will (I hope) be handled appropriately by bfd. Ditto for big - * and little coff archives. And the 4 coff/b.out object formats are - * unambiguous. So accept the first match we find. - */ - break; -#endif - } - } - - if (match_count == 1) { - abfd->xvec = right_targ; /* Change BFD's target permanently */ - return true; /* File position has moved, BTW */ - } - - abfd->xvec = save_targ; /* Restore original target type */ - abfd->format = bfd_unknown; /* Restore original format */ - bfd_error = ((match_count == 0) ? file_not_recognized : - file_ambiguously_recognized); - return false; -} - -boolean -DEFUN(bfd_set_format,(abfd, format), - bfd *abfd AND - bfd_format format) -{ - - if (bfd_read_p (abfd) || - ((int)abfd->format < (int)bfd_unknown) || - ((int)abfd->format >= (int)bfd_type_end)) { - bfd_error = invalid_operation; - return false; - } - - if (abfd->format != bfd_unknown) return (abfd->format == format) ? true:false; - - /* presume the answer is yes */ - abfd->format = format; - - if (!BFD_SEND_FMT (abfd, _bfd_set_format, (abfd))) { - abfd->format = bfd_unknown; - return false; - } - - return true; -} - -/* Hack object and core file sections */ - -sec_ptr -DEFUN(bfd_get_section_by_name,(abfd, name), - bfd *abfd AND - CONST char *name) -{ - asection *sect; - - for (sect = abfd->sections; sect != NULL; sect = sect->next) - if (!strcmp (sect->name, name)) return sect; - return NULL; -} - -/* If you try to create a section with a name which is already in use, - returns the old section by that name instead. */ -sec_ptr -DEFUN(bfd_make_section,(abfd, name), - bfd *abfd AND - CONST char *CONST name) -{ - asection *newsect; - asection ** prev = &abfd->sections; - asection * sect = abfd->sections; - - if (abfd->output_has_begun) { - bfd_error = invalid_operation; - return NULL; - } - - while (sect) { - if (!strcmp(sect->name, name)) return sect; - prev = §->next; - sect = sect->next; - } - - newsect = (asection *) bfd_zalloc(abfd, sizeof (asection)); - if (newsect == NULL) { - bfd_error = no_memory; - return NULL; - } - - newsect->name = name; - newsect->index = abfd->section_count++; - newsect->flags = SEC_NO_FLAGS; - - newsect->userdata = 0; - newsect->next = (asection *)NULL; - newsect->relocation = (arelent *)NULL; - newsect->reloc_count = 0; - newsect->line_filepos =0; - - if (BFD_SEND (abfd, _new_section_hook, (abfd, newsect)) != true) { - free (newsect); - return NULL; - } - - *prev = newsect; - return newsect; -} - -/* Call operation on each section. Operation gets three args: the bfd, - the section, and a void * pointer (whatever the user supplied). */ - -/* This is attractive except that without lexical closures its use is hard - to make reentrant. */ -/*VARARGS2*/ -void -bfd_map_over_sections (abfd, operation, user_storage) - bfd *abfd; - void (*operation)(); - PTR user_storage; -{ - asection *sect; - int i = 0; - - for (sect = abfd->sections; sect != NULL; i++, sect = sect->next) - (*operation) (abfd, sect, user_storage); - - if (i != abfd->section_count) /* Debugging */ - abort(); -} - -boolean -bfd_set_section_flags (abfd, section, flags) - bfd *abfd; - sec_ptr section; - flagword flags; -{ - if ((flags & bfd_applicable_section_flags (abfd)) != flags) { - bfd_error = invalid_operation; - return false; - } - - section->flags = flags; -return true; -} - - -boolean -bfd_set_section_size (abfd, ptr, val) - bfd *abfd; - sec_ptr ptr; - unsigned long val; -{ - /* Once you've started writing to any section you cannot create or change - the size of any others. */ - - if (abfd->output_has_begun) { - bfd_error = invalid_operation; - return false; - } - - ptr->size = val; - - return true; -} - -boolean -DEFUN(bfd_set_section_contents,(abfd, section, location, offset, count), - bfd *abfd AND - sec_ptr section AND - PTR location AND - file_ptr offset AND - bfd_size_type count) -{ - if (!(bfd_get_section_flags(abfd, section) & - SEC_HAS_CONTENTS)) { - bfd_error = no_contents; - return(false); - } /* if section has no contents */ - - if (BFD_SEND (abfd, _bfd_set_section_contents, - (abfd, section, location, offset, count))) { - abfd->output_has_begun = true; - return true; - } - - return false; -} - -boolean -DEFUN(bfd_get_section_contents,(abfd, section, location, offset, count), - bfd *abfd AND - sec_ptr section AND - PTR location AND - file_ptr offset AND - bfd_size_type count) -{ - if (section->flags & SEC_CONSTRUCTOR) { - memset(location, 0, (unsigned)count); - return true; - } - else { - return (BFD_SEND (abfd, _bfd_get_section_contents, - (abfd, section, location, offset, count))); - } -} - - -/** Some core file info commands */ - -/* Returns a read-only string explaining what program was running when - it failed. */ - -char * -bfd_core_file_failing_command (abfd) - bfd *abfd; -{ - if (abfd->format != bfd_core) { - bfd_error = invalid_operation; - return NULL; - } - return BFD_SEND (abfd, _core_file_failing_command, (abfd)); -} - -int -bfd_core_file_failing_signal (abfd) - bfd *abfd; -{ - if (abfd->format != bfd_core) { - bfd_error = invalid_operation; - return 0; - } - return BFD_SEND (abfd, _core_file_failing_signal, (abfd)); -} - -boolean -core_file_matches_executable_p (core_bfd, exec_bfd) - bfd *core_bfd, *exec_bfd; -{ - if ((core_bfd->format != bfd_core) || (exec_bfd->format != bfd_object)) { - bfd_error = wrong_format; - return false; - } - - return BFD_SEND (core_bfd, _core_file_matches_executable_p, (core_bfd, exec_bfd)); -} - + /** Symbols */ -boolean -bfd_set_symtab (abfd, location, symcount) - bfd *abfd; - asymbol **location; - unsigned int symcount; -{ - if ((abfd->format != bfd_object) || (bfd_read_p (abfd))) { - bfd_error = invalid_operation; - return false; - } - - bfd_get_outsymbols (abfd) = location; - bfd_get_symcount (abfd) = symcount; - return true; -} - /* returns the number of octets of storage required */ + unsigned int get_reloc_upper_bound (abfd, asect) bfd *abfd; @@ -573,32 +304,6 @@ bfd_canonicalize_reloc (abfd, asect, location, symbols) return BFD_SEND (abfd, _bfd_canonicalize_reloc, (abfd, asect, location, symbols)); } -void -bfd_print_symbol_vandf(file, symbol) -PTR file; -asymbol *symbol; -{ - flagword type = symbol->flags; - if (symbol->section != (asection *)NULL) - { - - fprintf_vma(file, symbol->value+symbol->section->vma); - } - else - { - fprintf_vma(file, symbol->value); - } - fprintf(file," %c%c%c%c%c%c%c", - (type & BSF_LOCAL) ? 'l':' ', - (type & BSF_GLOBAL) ? 'g' : ' ', - (type & BSF_IMPORT) ? 'i' : ' ', - (type & BSF_EXPORT) ? 'e' : ' ', - (type & BSF_UNDEFINED) ? 'u' : ' ', - (type & BSF_FORT_COMM) ? 'c' : ' ', - (type & BSF_DEBUGGING) ? 'd' :' '); - -} - boolean bfd_set_file_flags (abfd, flags) @@ -635,250 +340,6 @@ bfd_set_reloc (ignore_abfd, asect, location, count) asect->orelocation = location; asect->reloc_count = count; } -/* -If an output_bfd is supplied to this function the generated image -will be relocatable, the relocations are copied to the output file -after they have been changed to reflect the new state of the world. -There are two ways of reflecting the results of partial linkage in an -output file; by modifying the output data in place, and by modifying -the relocation record. Some native formats (eg basic a.out and basic -coff) have no way of specifying an addend in the relocation type, so -the addend has to go in the output data. This is no big deal since in -these formats the output data slot will always be big enough for the -addend. Complex reloc types with addends were invented to solve just -this problem. -*/ - -bfd_reloc_status_enum_type -DEFUN(bfd_perform_relocation,(abfd, - reloc_entry, - data, - input_section, - output_bfd), - bfd *abfd AND - arelent *reloc_entry AND - PTR data AND - asection *input_section AND - bfd *output_bfd) -{ - bfd_vma relocation; - bfd_reloc_status_enum_type flag = bfd_reloc_ok; - bfd_vma addr = reloc_entry->address ; - bfd_vma output_base = 0; - reloc_howto_type *howto = reloc_entry->howto; - asection *reloc_target_output_section; - asection *reloc_target_input_section; - asymbol *symbol; - - if (reloc_entry->sym_ptr_ptr) { - symbol = *( reloc_entry->sym_ptr_ptr); - if ((symbol->flags & BSF_UNDEFINED) && output_bfd == (bfd *)NULL) { - flag = bfd_reloc_undefined; - } - } - else { - symbol = (asymbol*)NULL; - } - - if (howto->special_function){ - bfd_reloc_status_enum_type cont; - cont = howto->special_function(abfd, - reloc_entry, - symbol, - data, - input_section); - if (cont != bfd_reloc_continue) return cont; - } - - /* - Work out which section the relocation is targetted at and the - initial relocation command value. - */ - - - if (symbol != (asymbol *)NULL){ - if (symbol->flags & BSF_FORT_COMM) { - relocation = 0; - } - else { - relocation = symbol->value; - } - if (symbol->section != (asection *)NULL) - { - reloc_target_input_section = symbol->section; - } - else { - reloc_target_input_section = (asection *)NULL; - } - } - else if (reloc_entry->section != (asection *)NULL) - { - relocation = 0; - reloc_target_input_section = reloc_entry->section; - } - else { - relocation = 0; - reloc_target_input_section = (asection *)NULL; - } - - - if (reloc_target_input_section != (asection *)NULL) { - - reloc_target_output_section = - reloc_target_input_section->output_section; - - if (output_bfd && howto->partial_inplace==false) { - output_base = 0; - } - else { - output_base = reloc_target_output_section->vma; - - } - - relocation += output_base + reloc_target_input_section->output_offset; - } - - relocation += reloc_entry->addend ; - - - if(reloc_entry->address > (bfd_vma)(input_section->size)) - { - return bfd_reloc_outofrange; - } - - - if (howto->pc_relative == true) - { - /* - Anything which started out as pc relative should end up that - way too. - - There are two ways we can see a pcrel instruction. Sometimes - the pcrel displacement has been partially calculated, it - includes the distance from the start of the section to the - instruction in it (eg sun3), and sometimes the field is - totally blank - eg m88kbcs. - */ - - - relocation -= - output_base + input_section->output_offset; - - if (howto->pcrel_offset == true) { - relocation -= reloc_entry->address; - } - - } - - if (output_bfd!= (bfd *)NULL) { - if ( howto->partial_inplace == false) { - /* - This is a partial relocation, and we want to apply the relocation - to the reloc entry rather than the raw data. Modify the reloc - inplace to reflect what we now know. - */ - reloc_entry->addend = relocation ; - reloc_entry->section = reloc_target_input_section; - if (reloc_target_input_section != (asection *)NULL) { - /* If we know the output section we can forget the symbol */ - reloc_entry->sym_ptr_ptr = (asymbol**)NULL; - } - reloc_entry->address += - input_section->output_offset; - return flag; - } - else - { - /* This is a partial relocation, but inplace, so modify the - reloc record a bit - */ - - } - } - - reloc_entry->addend = 0; - - - /* - Either we are relocating all the way, or we don't want to apply - the relocation to the reloc entry (probably because there isn't - any room in the output format to describe addends to relocs) - */ - relocation >>= howto->rightshift; - - /* Shift everything up to where it's going to be used */ - - relocation <<= howto->bitpos; - - /* Wait for the day when all have the mask in them */ - - /* What we do: - i instruction to be left alone - o offset within instruction - r relocation offset to apply - S src mask - D dst mask - N ~dst mask - A part 1 - B part 2 - R result - - Do this: - i i i i i o o o o o from bfd_get<size> - and S S S S S to get the size offset we want - + r r r r r r r r r r to get the final value to place - and D D D D D to chop to right size - ----------------------- - A A A A A - And this: - ... i i i i i o o o o o from bfd_get<size> - and N N N N N get instruction - ----------------------- - ... B B B B B - - And then: - B B B B B - or A A A A A - ----------------------- - R R R R R R R R R R put into bfd_put<size> - */ - -#define DOIT(x) \ - x = ( (x & ~howto->dst_mask) | (((x & howto->src_mask) + relocation) & howto->dst_mask)) - - switch (howto->size) - { - case 0: - { - char x = bfd_get_8(abfd, (char *)data + addr); - DOIT(x); - bfd_put_8(abfd,x, (unsigned char *) data + addr); - } - break; - - case 1: - { - short x = bfd_get_16(abfd, (bfd_byte *)data + addr); - DOIT(x); - bfd_put_16(abfd, x, (unsigned char *)data + addr); - } - break; - case 2: - { - long x = bfd_get_32(abfd, (bfd_byte *) data + addr); - DOIT(x); - bfd_put_32(abfd,x, (bfd_byte *)data + addr); - } - break; - case 3: - /* Do nothing */ - break; - default: - return bfd_reloc_other; - } - - return flag; -} void bfd_assert(file, line) @@ -889,6 +350,14 @@ int line; } +/*proto* bfd_set_start_address + +Marks the entry point of an output bfd. Returns @code{true} on +success, @code{false} otherwise. + +*; PROTO(boolean, bfd_set_start_address,(bfd *, bfd_vma)); +*/ + boolean bfd_set_start_address(abfd, vma) bfd *abfd; @@ -899,19 +368,15 @@ bfd_vma vma; } -bfd_vma bfd_log2(x) -bfd_vma x; -{ - bfd_vma result = 0; - while ( (bfd_vma)(1<< result) < x) - result++; - return result; -} +/*proto* bfd_get_mtime + +Return cached file modification time (e.g. as read from archive header +for archive members, or from file system if we have been called +before); else determine modify time, cache it, and return it. -/* bfd_get_mtime: Return cached file modification time (e.g. as read - from archive header for archive members, or from file system if we have - been called before); else determine modify time, cache it, and - return it. */ +*;PROTO(long, bfd_get_mtime, (bfd *)); + +*/ long bfd_get_mtime (abfd) @@ -931,3 +396,33 @@ bfd_get_mtime (abfd) abfd->mtime = buf.st_mtime; return abfd->mtime; } + +/*proto* +*i stuff +*+ +#define bfd_sizeof_headers(abfd, reloc) \ + BFD_SEND (abfd, _bfd_sizeof_headers, (abfd, reloc)) + +#define bfd_find_nearest_line(abfd, section, symbols, offset, filename_ptr, func, line_ptr) \ + BFD_SEND (abfd, _bfd_find_nearest_line, (abfd, section, symbols, offset, filename_ptr, func, line_ptr)) + +#define bfd_debug_info_start(abfd) \ + BFD_SEND (abfd, _bfd_debug_info_start, (abfd)) + +#define bfd_debug_info_end(abfd) \ + BFD_SEND (abfd, _bfd_debug_info_end, (abfd)) + +#define bfd_debug_info_accumulate(abfd, section) \ + BFD_SEND (abfd, _bfd_debug_info_accumulate, (abfd, section)) + +#define bfd_stat_arch_elt(abfd, stat) \ + BFD_SEND (abfd, _bfd_stat_arch_elt,(abfd, stat)) +*- + +*/ + + + + + + |