X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;ds=sidebyside;f=bfd%2Fversados.c;h=1231c59e5d628d263c2ab348f6ed8b21c6f0d20e;hb=9553c6388c435343a5adf77888647ace94808024;hp=27f4f882088a4cc982dbe46da8cf9cc16045bf8d;hpb=ed288bb597072176e84fc8279707a3f2f475779b;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/versados.c b/bfd/versados.c index 27f4f88208..1231c59e5d 100644 --- a/bfd/versados.c +++ b/bfd/versados.c @@ -1,5 +1,6 @@ /* BFD back-end for VERSAdos-E objects. - Copyright 1995, 96, 97, 98, 1999 Free Software Foundation, Inc. + Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 + Free Software Foundation, Inc. Written by Steve Chamberlain of Cygnus Support . Versados is a Motorola trademark. @@ -22,21 +23,20 @@ /* SUBSECTION - VERSAdos-E relocateable object file format + VERSAdos-E relocatable object file format DESCRIPTION - This module supports reading of VERSAdos relocateable + This module supports reading of VERSAdos relocatable object files. A VERSAdos file looks like contains - o Indentification Record + o Identification Record o External Symbol Definition Record - o Object Text Recrod + o Object Text Record o End Record - */ #include "bfd.h" @@ -44,18 +44,35 @@ #include "libbfd.h" #include "libiberty.h" - -static boolean versados_mkobject PARAMS ((bfd *)); -static boolean versados_scan PARAMS ((bfd *)); +static bfd_boolean versados_mkobject PARAMS ((bfd *)); +static bfd_boolean versados_scan PARAMS ((bfd *)); static const bfd_target *versados_object_p PARAMS ((bfd *)); - +static asymbol *versados_new_symbol + PARAMS ((bfd *, int, const char *, bfd_vma, asection *)); +static char *new_symbol_string PARAMS ((bfd *, const char *)); +static const bfd_target *versados_object_p PARAMS ((bfd *)); +static bfd_boolean versados_pass_2 PARAMS ((bfd *)); +static bfd_boolean versados_get_section_contents + PARAMS ((bfd *, asection *, void *, file_ptr, bfd_size_type)); +static bfd_boolean versados_set_section_contents + PARAMS ((bfd *, sec_ptr, const void *, file_ptr, bfd_size_type)); +static int versados_sizeof_headers PARAMS ((bfd *, bfd_boolean)); +static long int versados_get_symtab_upper_bound PARAMS ((bfd *)); +static long int versados_canonicalize_symtab PARAMS ((bfd *, asymbol **)); +static void versados_get_symbol_info + PARAMS ((bfd *, asymbol *, symbol_info *)); +static void versados_print_symbol + PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type)); +static long versados_get_reloc_upper_bound + PARAMS ((bfd *, sec_ptr)); +static long versados_canonicalize_reloc + PARAMS ((bfd *, sec_ptr, arelent **, asymbol **)); #define VHEADER '1' #define VESTDEF '2' #define VOTR '3' #define VEND '4' - #define ES_BASE 17 /* first symbol has esdid 17 */ /* Per file target dependent information */ @@ -145,39 +162,40 @@ union ext_any struct ext_otr otr; }; -/* Initialize by filling in the hex conversion array. */ - - - +static int get_record PARAMS ((bfd *, union ext_any *)); +static int get_4 PARAMS ((unsigned char **)); +static void get_10 PARAMS ((unsigned char **, char *)); +static void process_esd PARAMS ((bfd *, struct ext_esd *, int)); +static int get_offset PARAMS ((int, unsigned char *)); +static void process_otr PARAMS ((bfd *, struct ext_otr *, int)); +/* Initialize by filling in the hex conversion array. */ /* Set up the tdata information. */ -static boolean +static bfd_boolean versados_mkobject (abfd) bfd *abfd; { if (abfd->tdata.versados_data == NULL) { - tdata_type *tdata = (tdata_type *) bfd_alloc (abfd, sizeof (tdata_type)); + bfd_size_type amt = sizeof (tdata_type); + tdata_type *tdata = (tdata_type *) bfd_alloc (abfd, amt); if (tdata == NULL) - return false; + return FALSE; abfd->tdata.versados_data = tdata; tdata->symbols = NULL; VDATA (abfd)->alert = 0x12345678; } bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0); - return true; + return TRUE; } - /* Report a problem in an S record file. FIXME: This probably should not call fprintf, but we really do need some mechanism for printing error messages. */ - - static asymbol * versados_new_symbol (abfd, snum, name, val, sec) bfd *abfd; @@ -195,19 +213,19 @@ versados_new_symbol (abfd, snum, name, val, sec) return n; } - static int get_record (abfd, ptr) bfd *abfd; union ext_any *ptr; { - bfd_read (&ptr->size, 1, 1, abfd); - if (bfd_read ((char *) ptr + 1, 1, ptr->size, abfd) != ptr->size) + if (bfd_bread (&ptr->size, (bfd_size_type) 1, abfd) != 1 + || (bfd_bread ((char *) ptr + 1, (bfd_size_type) ptr->size, abfd) + != ptr->size)) return 0; return 1; } -int +static int get_4 (pp) unsigned char **pp; { @@ -216,7 +234,7 @@ get_4 (pp) return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0); } -void +static void get_10 (pp, name) unsigned char **pp; char *name; @@ -236,7 +254,7 @@ get_10 (pp, name) static char * new_symbol_string (abfd, name) bfd *abfd; - char *name; + const char *name; { char *n = VDATA (abfd)->strings; strcpy (VDATA (abfd)->strings, name); @@ -244,7 +262,6 @@ new_symbol_string (abfd, name) return n; } - static void process_esd (abfd, esd, pass) bfd *abfd; @@ -288,15 +305,14 @@ process_esd (abfd, esd, pass) int esidx; asymbol *s; char *n = new_symbol_string (abfd, name); - s = versados_new_symbol (abfd, snum, n, 0, - &bfd_und_section, scn); + s = versados_new_symbol (abfd, snum, n, (bfd_vma) 0, + bfd_und_section_ptr); esidx = VDATA (abfd)->es_done++; RDATA (abfd, esidx - ES_BASE) = s; } } break; - case ESD_ABS: size = get_4 (&ptr); start = get_4 (&ptr); @@ -304,7 +320,7 @@ process_esd (abfd, esd, pass) case ESD_STD_REL_SEC: case ESD_SHRT_REL_SEC: { - sec->_raw_size = get_4 (&ptr); + sec->size = get_4 (&ptr); sec->flags |= SEC_ALLOC; } break; @@ -313,7 +329,7 @@ process_esd (abfd, esd, pass) case ESD_XDEF_IN_SEC: { int snum = VDATA (abfd)->def_idx++; - long val; + bfd_vma val; get_10 (&ptr, name); val = get_4 (&ptr); if (pass == 1) @@ -325,7 +341,8 @@ process_esd (abfd, esd, pass) { asymbol *s; char *n = new_symbol_string (abfd, name); - s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n, val, sec, scn); + s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n, + val, sec); s->flags |= BSF_GLOBAL; } } @@ -341,22 +358,21 @@ process_esd (abfd, esd, pass) reloc_howto_type versados_howto_table[] = { - HOWTO (R_RELWORD, 0, 1, 16, false, + HOWTO (R_RELWORD, 0, 1, 16, FALSE, 0, complain_overflow_dont, 0, - "+v16", true, 0x0000ffff, 0x0000ffff, false), - HOWTO (R_RELLONG, 0, 2, 32, false, + "+v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), + HOWTO (R_RELLONG, 0, 2, 32, FALSE, 0, complain_overflow_dont, 0, - "+v32", true, 0xffffffff, 0xffffffff, false), + "+v32", TRUE, 0xffffffff, 0xffffffff, FALSE), - HOWTO (R_RELWORD_NEG, 0, -1, 16, false, + HOWTO (R_RELWORD_NEG, 0, -1, 16, FALSE, 0, complain_overflow_dont, 0, - "-v16", true, 0x0000ffff, 0x0000ffff, false), - HOWTO (R_RELLONG_NEG, 0, -2, 32, false, + "-v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), + HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE, 0, complain_overflow_dont, 0, - "-v32", true, 0xffffffff, 0xffffffff, false), + "-v32", TRUE, 0xffffffff, 0xffffffff, FALSE), }; - static int get_offset (len, ptr) int len; @@ -395,7 +411,7 @@ process_otr (abfd, otr, pass) int need_contents = 0; unsigned int dst_idx = esdid->pc; - for (shift = (1 << 31); shift && srcp < endp; shift >>= 1) + for (shift = ((unsigned long) 1 << 31); shift && srcp < endp; shift >>= 1) { if (bits & shift) { @@ -405,7 +421,6 @@ process_otr (abfd, otr, pass) int offsetlen = flag & 0x7; int j; - if (esdids == 0) { /* A zero esdid means the new pc is the offset given */ @@ -433,7 +448,7 @@ process_otr (abfd, otr, pass) int rn = EDATA (abfd, otr->esdid - 1).relocs++; if (pass == 1) { - /* this is the first pass over the data, + /* this is the first pass over the data, just remember that we need a reloc */ } else @@ -442,7 +457,7 @@ process_otr (abfd, otr, pass) EDATA (abfd, otr->esdid - 1).section->relocation + rn; n->address = dst_idx; - n->sym_ptr_ptr = (asymbol **) esdid; + n->sym_ptr_ptr = (asymbol **) (size_t) esdid; n->addend = 0; n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1); } @@ -455,7 +470,7 @@ process_otr (abfd, otr, pass) else { need_contents = 1; - if (dst_idx < esdid->section->_raw_size) + if (dst_idx < esdid->section->size) if (pass == 2) { /* absolute code, comes in 16 bit lumps */ @@ -469,12 +484,13 @@ process_otr (abfd, otr, pass) EDATA (abfd, otr->esdid - 1).pc = dst_idx; if (!contents && need_contents) - esdid->contents = (unsigned char *) bfd_alloc (abfd, esdid->section->_raw_size); - - + { + bfd_size_type size = esdid->section->size; + esdid->contents = (unsigned char *) bfd_alloc (abfd, size); + } } -static boolean +static bfd_boolean versados_scan (abfd) bfd *abfd; { @@ -482,17 +498,20 @@ versados_scan (abfd) int i; int j; int nsecs = 0; + bfd_size_type amt; + VDATA (abfd)->stringlen = 0; VDATA (abfd)->nrefs = 0; VDATA (abfd)->ndefs = 0; VDATA (abfd)->ref_idx = 0; VDATA (abfd)->def_idx = 0; + VDATA (abfd)->pass_2_done = 0; while (loop) { union ext_any any; if (!get_record (abfd, &any)) - return true; + return TRUE; switch (any.header.type) { case VHEADER: @@ -523,8 +542,8 @@ versados_scan (abfd) struct esdid *esdid = &EDATA (abfd, i); if (esdid->section) { - esdid->section->relocation - = (arelent *) bfd_alloc (abfd, sizeof (arelent) * esdid->relocs); + amt = (bfd_size_type) esdid->relocs * sizeof (arelent); + esdid->section->relocation = (arelent *) bfd_alloc (abfd, amt); esdid->pc = 0; @@ -545,14 +564,16 @@ versados_scan (abfd) abfd->symcount += nsecs; - VDATA (abfd)->symbols = (asymbol *) bfd_alloc (abfd, - sizeof (asymbol) * (abfd->symcount)); + amt = abfd->symcount; + amt *= sizeof (asymbol); + VDATA (abfd)->symbols = (asymbol *) bfd_alloc (abfd, amt); - VDATA (abfd)->strings = bfd_alloc (abfd, VDATA (abfd)->stringlen); + amt = VDATA (abfd)->stringlen; + VDATA (abfd)->strings = bfd_alloc (abfd, amt); if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0) || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0)) - return false; + return FALSE; /* Actually fill in the section symbols, we stick them at the end of the table */ @@ -584,8 +605,6 @@ versados_scan (abfd) return 1; } - - /* Check whether an existing file is a versados file. */ static const bfd_target * @@ -594,18 +613,19 @@ versados_object_p (abfd) { struct ext_vheader ext; unsigned char len; + tdata_type *tdata_save; if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) return NULL; - if (bfd_read (&len, 1, 1, abfd) != 1) + if (bfd_bread (&len, (bfd_size_type) 1, abfd) != 1) { if (bfd_get_error () != bfd_error_system_call) bfd_set_error (bfd_error_wrong_format); return NULL; } - if (bfd_read (&ext.type, 1, len, abfd) != len) + if (bfd_bread (&ext.type, (bfd_size_type) len, abfd) != len) { if (bfd_get_error () != bfd_error_system_call) bfd_set_error (bfd_error_wrong_format); @@ -624,15 +644,17 @@ versados_object_p (abfd) /* OK, looks like a record, build the tdata and read in. */ - if (!versados_mkobject (abfd) - || !versados_scan (abfd)) - return NULL; + tdata_save = abfd->tdata.versados_data; + if (!versados_mkobject (abfd) || !versados_scan (abfd)) + { + abfd->tdata.versados_data = tdata_save; + return NULL; + } return abfd->xvec; } - -static boolean +static bfd_boolean versados_pass_2 (abfd) bfd *abfd; { @@ -641,12 +663,11 @@ versados_pass_2 (abfd) if (VDATA (abfd)->pass_2_done) return 1; - if (bfd_seek (abfd, 0, SEEK_SET) != 0) + if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) return 0; VDATA (abfd)->es_done = ES_BASE; - /* read records till we get to where we want to be */ while (1) @@ -667,7 +688,7 @@ versados_pass_2 (abfd) } } -static boolean +static bfd_boolean versados_get_section_contents (abfd, section, location, offset, count) bfd *abfd; asection *section; @@ -676,49 +697,37 @@ versados_get_section_contents (abfd, section, location, offset, count) bfd_size_type count; { if (!versados_pass_2 (abfd)) - return false; + return FALSE; memcpy (location, EDATA (abfd, section->target_index).contents + offset, (size_t) count); - return true; + return TRUE; } #define versados_get_section_contents_in_window \ _bfd_generic_get_section_contents_in_window -static boolean +static bfd_boolean versados_set_section_contents (abfd, section, location, offset, bytes_to_do) bfd *abfd ATTRIBUTE_UNUSED; sec_ptr section ATTRIBUTE_UNUSED; - PTR location ATTRIBUTE_UNUSED; + const PTR location ATTRIBUTE_UNUSED; file_ptr offset ATTRIBUTE_UNUSED; bfd_size_type bytes_to_do ATTRIBUTE_UNUSED; { - return false; + return FALSE; } - -/*ARGSUSED */ static int versados_sizeof_headers (abfd, exec) bfd *abfd ATTRIBUTE_UNUSED; - boolean exec ATTRIBUTE_UNUSED; + bfd_boolean exec ATTRIBUTE_UNUSED; { return 0; } -static asymbol * -versados_make_empty_symbol (abfd) - bfd *abfd; -{ - asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol)); - if (new) - new->the_bfd = abfd; - return new; -} - /* Return the amount of memory needed to read the symbol table. */ static long @@ -731,7 +740,7 @@ versados_get_symtab_upper_bound (abfd) /* Return the symbol table. */ static long -versados_get_symtab (abfd, alocation) +versados_canonicalize_symtab (abfd, alocation) bfd *abfd; asymbol **alocation; { @@ -753,8 +762,7 @@ versados_get_symtab (abfd, alocation) return symcount; } -/*ARGSUSED */ -void +static void versados_get_symbol_info (ignore_abfd, symbol, ret) bfd *ignore_abfd ATTRIBUTE_UNUSED; asymbol *symbol; @@ -763,10 +771,9 @@ versados_get_symbol_info (ignore_abfd, symbol, ret) bfd_symbol_info (symbol, ret); } -/*ARGSUSED */ -void -versados_print_symbol (ignore_abfd, afile, symbol, how) - bfd *ignore_abfd ATTRIBUTE_UNUSED; +static void +versados_print_symbol (abfd, afile, symbol, how) + bfd *abfd; PTR afile; asymbol *symbol; bfd_print_symbol_type how; @@ -778,7 +785,7 @@ versados_print_symbol (ignore_abfd, afile, symbol, how) fprintf (file, "%s", symbol->name); break; default: - bfd_print_symbol_vandf ((PTR) file, symbol); + bfd_print_symbol_vandf (abfd, (PTR) file, symbol); fprintf (file, " %-5s %s", symbol->section->name, symbol->name); @@ -786,7 +793,7 @@ versados_print_symbol (ignore_abfd, afile, symbol, how) } } -long +static long versados_get_reloc_upper_bound (abfd, asect) bfd *abfd ATTRIBUTE_UNUSED; sec_ptr asect; @@ -794,8 +801,7 @@ versados_get_reloc_upper_bound (abfd, asect) return (asect->reloc_count + 1) * sizeof (arelent *); } - -long +static long versados_canonicalize_reloc (abfd, section, relptr, symbols) bfd *abfd; sec_ptr section; @@ -813,7 +819,7 @@ versados_canonicalize_reloc (abfd, section, relptr, symbols) /* translate from indexes to symptr ptrs */ for (count = 0; count < section->reloc_count; count++) { - int esdid = (int) src[count].sym_ptr_ptr; + int esdid = (int) (size_t) src[count].sym_ptr_ptr; if (esdid == 0) { @@ -849,9 +855,12 @@ versados_canonicalize_reloc (abfd, section, relptr, symbols) #define versados_bfd_free_cached_info _bfd_generic_bfd_free_cached_info #define versados_new_section_hook _bfd_generic_new_section_hook +#define versados_bfd_is_target_special_symbol \ + ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) #define versados_bfd_is_local_label_name bfd_generic_is_local_label_name #define versados_get_lineno _bfd_nosymbols_get_lineno #define versados_find_nearest_line _bfd_nosymbols_find_nearest_line +#define versados_make_empty_symbol _bfd_generic_make_empty_symbol #define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol #define versados_read_minisymbols _bfd_generic_read_minisymbols #define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol @@ -864,8 +873,15 @@ versados_canonicalize_reloc (abfd, section, relptr, symbols) bfd_generic_get_relocated_section_contents #define versados_bfd_relax_section bfd_generic_relax_section #define versados_bfd_gc_sections bfd_generic_gc_sections +#define versados_bfd_merge_sections bfd_generic_merge_sections +#define versados_bfd_is_group_section bfd_generic_is_group_section +#define versados_bfd_discard_group bfd_generic_discard_group +#define versados_section_already_linked \ + _bfd_generic_section_already_linked #define versados_bfd_link_hash_table_create _bfd_generic_link_hash_table_create +#define versados_bfd_link_hash_table_free _bfd_generic_link_hash_table_free #define versados_bfd_link_add_symbols _bfd_generic_link_add_symbols +#define versados_bfd_link_just_syms _bfd_generic_link_just_syms #define versados_bfd_final_link _bfd_generic_final_link #define versados_bfd_link_split_section _bfd_generic_link_split_section @@ -920,6 +936,6 @@ const bfd_target versados_vec = BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), NULL, - + (PTR) 0 };