X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Foasys.c;h=e69053b82823d315af19b9b58fa8c4e58192086d;hb=30727aa6d12fb866494020c0b62ab265a2bdcdfe;hp=995d962aee1f6647809313f38278cbd8c96fc473;hpb=3c0c9328b9c299580bcf8cb6fdb3b71d5a0525ff;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/oasys.c b/bfd/oasys.c index 995d962aee..e69053b828 100644 --- a/bfd/oasys.c +++ b/bfd/oasys.c @@ -1,60 +1,79 @@ -/* - - bfd backend for oasys objects. - - - Object files contain records in order: - - optional header - symbol records - section records - data records - debugging records - end record - - - - Written by Steve Chamberlain - steve@cygnus.com +/* BFD back-end for oasys objects. + Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999 + Free Software Foundation, Inc. + Written by Steve Chamberlain of Cygnus Support, . +This file is part of BFD, the Binary File Descriptor library. +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. - */ +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#include -#include "sysdep.h" +#define UNDERSCORE_HACK 1 #include "bfd.h" +#include "sysdep.h" +#include #include "libbfd.h" -#include "obstack.h" #include "oasys.h" #include "liboasys.h" +/* XXX - FIXME. offsetof belongs in the system-specific files in + ../include/sys. */ +/* Define offsetof for those systems which lack it */ +#ifndef offsetof +#define offsetof(type, identifier) (size_t) &(((type *) 0)->identifier) +#endif -#define obstack_chunk_alloc malloc -#define obstack_chunk_free free - -typedef void generic_symbol_type; +static boolean oasys_read_record PARAMS ((bfd *, + oasys_record_union_type *)); +static boolean oasys_write_sections PARAMS ((bfd *)); +static boolean oasys_write_record PARAMS ((bfd *, + oasys_record_enum_type, + oasys_record_union_type *, + size_t)); +static boolean oasys_write_syms PARAMS ((bfd *)); +static boolean oasys_write_header PARAMS ((bfd *)); +static boolean oasys_write_end PARAMS ((bfd *)); +static boolean oasys_write_data PARAMS ((bfd *)); +/* Read in all the section data and relocation stuff too */ +PROTO (static boolean, oasys_slurp_section_data, (bfd * CONST abfd)); -void DEFUN(oasys_read_record,(abfd, record), - bfd *abfd AND - oasys_record_union_type *record) +static boolean +oasys_read_record (abfd, record) + bfd *abfd; + oasys_record_union_type *record; { + if (bfd_read ((PTR) record, 1, sizeof (record->header), abfd) + != sizeof (record->header)) + return false; - bfd_read(record, 1, sizeof(record->header), abfd); - - bfd_read(((char *)record )+ sizeof(record->header), - 1, record->header.length - sizeof(record->header), - abfd); + if ((size_t) record->header.length <= (size_t) sizeof (record->header)) + return true; + if (bfd_read ((PTR) (((char *) record) + sizeof (record->header)), + 1, record->header.length - sizeof (record->header), + abfd) + != record->header.length - sizeof (record->header)) + return false; + return true; } static size_t -oasys_string_length(record) -oasys_record_union_type *record; +oasys_string_length (record) + oasys_record_union_type *record; { -return record->header.length - - ((char *)record->symbol.name - (char *)record); + return record->header.length + - ((char *) record->symbol.name - (char *) record); } /*****************************************************************************/ @@ -64,923 +83,1455 @@ return record->header.length Slurp the symbol table by reading in all the records at the start file till we get to the first section record. -We'll sort the symbols into two lists, defined and undefined. The -undefined symbols will also be sorted by refno. We do this by placing -all undefined symbols at the front of the table moving in, and the -defined symbols at the end of the table moving back. +We'll sort the symbolss into two lists, defined and undefined. The +undefined symbols will be placed into the table according to their +refno. + +We do this by placing all undefined symbols at the front of the table +moving in, and the defined symbols at the end of the table moving back. */ static boolean -oasys_slurp_symbol_table(abfd) -bfd *abfd; +oasys_slurp_symbol_table (abfd) + bfd *CONST abfd; { oasys_record_union_type record; - oasys_data_type *data = oasys_data(abfd); + oasys_data_type *data = OASYS_DATA (abfd); boolean loop = true; - asymbol *dest_undefined; asymbol *dest_defined; asymbol *dest; char *string_ptr; - if (data->symbols != (asymbol *)NULL) { - return true; - } + if (data->symbols != (asymbol *) NULL) + { + return true; + } /* Buy enough memory for all the symbols and all the names */ - data->symbols = - (asymbol *)malloc(sizeof(asymbol) * abfd->symcount); - data->strings = malloc(data->symbol_string_length); + data->symbols = + (asymbol *) bfd_alloc (abfd, sizeof (asymbol) * abfd->symcount); +#ifdef UNDERSCORE_HACK + /* buy 1 more char for each symbol to keep the underscore in*/ + data->strings = bfd_alloc (abfd, data->symbol_string_length + + abfd->symcount); +#else + data->strings = bfd_alloc (abfd, data->symbol_string_length); +#endif + if (!data->symbols || !data->strings) + return false; - dest_undefined = data->symbols; - dest_defined = data->symbols + abfd->symcount -1; + dest_defined = data->symbols + abfd->symcount - 1; string_ptr = data->strings; - bfd_seek(abfd, (file_ptr)0, SEEK_SET); - while (loop) { - oasys_read_record(abfd, &record); - switch (record.header.type) { - case oasys_record_is_header_enum: - break; - case oasys_record_is_local_enum: - case oasys_record_is_symbol_enum: + if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) + return false; + while (loop) + { + + if (! oasys_read_record (abfd, &record)) + return false; + switch (record.header.type) { - size_t length = oasys_string_length(&record); - switch (record.symbol.relb[0] & RELOCATION_TYPE_BITS) { - case RELOCATION_TYPE_ABS: - dest = dest_defined--; - dest->section = 0; - dest->flags = BSF_ABSOLUTE | BSF_EXPORT | BSF_GLOBAL; - dest_defined--; - break; - case RELOCATION_TYPE_REL: - dest = dest_defined--; - dest->section = - oasys_data(abfd)->sections[record.symbol.relb[0] & - RELOCATION_SECT_BITS]; - if (record.header.type == oasys_record_is_local_enum) - { - dest->flags = BSF_LOCAL; - } - else { + case oasys_record_is_header_enum: + break; + case oasys_record_is_local_enum: + case oasys_record_is_symbol_enum: + { + int flag = record.header.type == (int) oasys_record_is_local_enum ? + (BSF_LOCAL) : (BSF_GLOBAL | BSF_EXPORT); + + + size_t length = oasys_string_length (&record); + switch (record.symbol.relb & RELOCATION_TYPE_BITS) + { + case RELOCATION_TYPE_ABS: + dest = dest_defined--; + dest->section = bfd_abs_section_ptr; + dest->flags = 0; + + break; + case RELOCATION_TYPE_REL: + dest = dest_defined--; + dest->section = + OASYS_DATA (abfd)->sections[record.symbol.relb & + RELOCATION_SECT_BITS]; + if (record.header.type == (int) oasys_record_is_local_enum) + { + dest->flags = BSF_LOCAL; + if (dest->section == (asection *) (~0)) + { + /* It seems that sometimes internal symbols are tied up, but + still get output, even though there is no + section */ + dest->section = 0; + } + } + else + { - dest->flags = BSF_EXPORT | BSF_GLOBAL; - } - break; - case RELOCATION_TYPE_UND: - dest = dest_undefined++; - dest->section = (asection *)NULL; - dest->flags = BSF_UNDEFINED; - break; - case RELOCATION_TYPE_COM: - dest = dest_defined--; + dest->flags = flag; + } + break; + case RELOCATION_TYPE_UND: + dest = data->symbols + bfd_h_get_16 (abfd, record.symbol.refno); + dest->section = bfd_und_section_ptr; + break; + case RELOCATION_TYPE_COM: + dest = dest_defined--; + dest->name = string_ptr; + dest->the_bfd = abfd; + + dest->section = bfd_com_section_ptr; + + break; + default: + dest = dest_defined--; + BFD_ASSERT (0); + break; + } dest->name = string_ptr; dest->the_bfd = abfd; + dest->udata.p = (PTR) NULL; + dest->value = bfd_h_get_32 (abfd, record.symbol.value); + +#ifdef UNDERSCORE_HACK + if (record.symbol.name[0] != '_') + { + string_ptr[0] = '_'; + string_ptr++; + } +#endif + memcpy (string_ptr, record.symbol.name, length); - dest->section = (asection *)NULL; - dest->flags = BSF_FORT_COMM; - break; - } - dest->name = string_ptr; - dest->the_bfd = abfd; - dest->value = bfd_h_getlong(abfd, &record.symbol.value); - memcpy(string_ptr, record.symbol.name, length); - string_ptr[length] =0; - string_ptr += length +1; + string_ptr[length] = 0; + string_ptr += length + 1; + } + break; + default: + loop = false; } - break; - default: - loop = false; } - } return true; - } -size_t +static long oasys_get_symtab_upper_bound (abfd) -bfd *abfd; + bfd *CONST abfd; { - oasys_slurp_symbol_table (abfd); + if (! oasys_slurp_symbol_table (abfd)) + return -1; - return (abfd->symcount != 0) ? - (abfd->symcount+1) * (sizeof (oasys_symbol_type *)) : 0; + return (abfd->symcount + 1) * (sizeof (oasys_symbol_type *)); } -/* +/* */ -extern bfd_target oasys_vec; +extern const bfd_target oasys_vec; -unsigned int +long oasys_get_symtab (abfd, location) -bfd *abfd; -asymbol **location; + bfd *abfd; + asymbol **location; { - asymbol *symbase ; - unsigned int counter ; - if (oasys_slurp_symbol_table(abfd) == false) { - return 0; - } - symbase = oasys_data(abfd)->symbols; - for (counter = 0; counter < abfd->symcount; counter++) { - *(location++) = symbase++; - } + asymbol *symbase; + unsigned int counter; + if (oasys_slurp_symbol_table (abfd) == false) + { + return -1; + } + symbase = OASYS_DATA (abfd)->symbols; + for (counter = 0; counter < abfd->symcount; counter++) + { + *(location++) = symbase++; + } *location = 0; return abfd->symcount; } /*********************************************************************** -* archive stuff +* archive stuff */ -#define swap(x) x = bfd_h_get_x(abfd, &x); -bfd_target * -oasys_archive_p(abfd) -bfd *abfd; + +static const bfd_target * +oasys_archive_p (abfd) + bfd *abfd; { oasys_archive_header_type header; + oasys_extarchive_header_type header_ext; unsigned int i; - - bfd_seek(abfd, (file_ptr) 0, false); + file_ptr filepos; - - bfd_read(&header, 1, sizeof(header), abfd); + if (bfd_seek (abfd, (file_ptr) 0, false) != 0 + || (bfd_read ((PTR) & header_ext, 1, sizeof (header_ext), abfd) + != sizeof (header_ext))) + { + if (bfd_get_error () != bfd_error_system_call) + bfd_set_error (bfd_error_wrong_format); + return NULL; + } - - swap(header.version); - swap(header.mod_count); - swap(header.mod_tbl_offset); - swap(header.sym_tbl_size); - swap(header.sym_count); - swap(header.sym_tbl_offset); - swap(header.xref_count); - swap(header.xref_lst_offset); + header.version = bfd_h_get_32 (abfd, header_ext.version); + header.mod_count = bfd_h_get_32 (abfd, header_ext.mod_count); + header.mod_tbl_offset = bfd_h_get_32 (abfd, header_ext.mod_tbl_offset); + header.sym_tbl_size = bfd_h_get_32 (abfd, header_ext.sym_tbl_size); + header.sym_count = bfd_h_get_32 (abfd, header_ext.sym_count); + header.sym_tbl_offset = bfd_h_get_32 (abfd, header_ext.sym_tbl_offset); + header.xref_count = bfd_h_get_32 (abfd, header_ext.xref_count); + header.xref_lst_offset = bfd_h_get_32 (abfd, header_ext.xref_lst_offset); /* - There isn't a magic number in an Oasys archive, so the best we - can do to verify reasnableness is to make sure that the values in - the header are too weird - */ + There isn't a magic number in an Oasys archive, so the best we + can do to verify reasnableness is to make sure that the values in + the header are too weird + */ - if (header.version>10000 || - header.mod_count>10000 || - header.sym_count>100000 || - header.xref_count > 100000) return (bfd_target *)NULL; + if (header.version > 10000 || + header.mod_count > 10000 || + header.sym_count > 100000 || + header.xref_count > 100000) + return (const bfd_target *) NULL; /* - That all worked, lets buy the space for the header and read in - the headers. - */ + That all worked, let's buy the space for the header and read in + the headers. + */ { oasys_ar_data_type *ar = - (oasys_ar_data_type*) malloc(sizeof(oasys_ar_data_type)); - - - oasys_module_info_type *module = - (oasys_module_info_type*) - malloc(sizeof(oasys_module_info_type) * header.mod_count); + (oasys_ar_data_type *) bfd_alloc (abfd, sizeof (oasys_ar_data_type)); + oasys_module_info_type *module = + (oasys_module_info_type *) + bfd_alloc (abfd, sizeof (oasys_module_info_type) * header.mod_count); oasys_module_table_type record; - oasys_ar_data(abfd) =ar; + if (!ar || !module) + return NULL; + + abfd->tdata.oasys_ar_data = ar; ar->module = module; ar->module_count = header.mod_count; - bfd_seek(abfd , header.mod_tbl_offset, SEEK_SET); - for (i = 0; i < header.mod_count; i++) { + filepos = header.mod_tbl_offset; + for (i = 0; i < header.mod_count; i++) + { + if (bfd_seek (abfd, filepos, SEEK_SET) != 0) + return NULL; + + /* There are two ways of specifying the archive header */ + + if (0) + { + oasys_extmodule_table_type_a_type record_ext; + if (bfd_read ((PTR) & record_ext, 1, sizeof (record_ext), abfd) + != sizeof (record_ext)) + return NULL; + + record.mod_size = bfd_h_get_32 (abfd, record_ext.mod_size); + record.file_offset = bfd_h_get_32 (abfd, record_ext.file_offset); + + record.dep_count = bfd_h_get_32 (abfd, record_ext.dep_count); + record.depee_count = bfd_h_get_32 (abfd, record_ext.depee_count); + record.sect_count = bfd_h_get_32 (abfd, record_ext.sect_count); + + module[i].name = bfd_alloc (abfd, 33); + if (!module[i].name) + return NULL; + + memcpy (module[i].name, record_ext.mod_name, 33); + filepos += + sizeof (record_ext) + + record.dep_count * 4 + + record.depee_count * 4 + + record.sect_count * 8 + 187; + } + else + { + oasys_extmodule_table_type_b_type record_ext; + if (bfd_read ((PTR) & record_ext, 1, sizeof (record_ext), abfd) + != sizeof (record_ext)) + return NULL; + + record.mod_size = bfd_h_get_32 (abfd, record_ext.mod_size); + record.file_offset = bfd_h_get_32 (abfd, record_ext.file_offset); + + record.dep_count = bfd_h_get_32 (abfd, record_ext.dep_count); + record.depee_count = bfd_h_get_32 (abfd, record_ext.depee_count); + record.sect_count = bfd_h_get_32 (abfd, record_ext.sect_count); + record.module_name_size = bfd_h_get_32 (abfd, record_ext.mod_name_length); + + module[i].name = bfd_alloc (abfd, record.module_name_size + 1); + if (!module[i].name) + return NULL; + if (bfd_read ((PTR) module[i].name, 1, record.module_name_size, + abfd) + != record.module_name_size) + return NULL; + module[i].name[record.module_name_size] = 0; + filepos += + sizeof (record_ext) + + record.dep_count * 4 + + record.module_name_size + 1; - bfd_read(&record, 1, sizeof(record), abfd); - swap(record.mod_size); - swap(record.file_offset); - swap(record.mod_name_length); - module[i].name = malloc(record.mod_name_length+1); + } - bfd_read(module[i].name, 1, record.mod_name_length +1, abfd); - /* SKip some stuff */ - bfd_seek(abfd, record.dep_count * sizeof(int32_type), - SEEK_CUR); - module[i].size = record.mod_size; - module[i].pos = record.file_offset; - } - + module[i].size = record.mod_size; + module[i].pos = record.file_offset; + module[i].abfd = 0; + } + } return abfd->xvec; } +static boolean +oasys_mkobject (abfd) + bfd *abfd; +{ + + abfd->tdata.oasys_obj_data = (oasys_data_type *) bfd_alloc (abfd, sizeof (oasys_data_type)); + return abfd->tdata.oasys_obj_data ? true : false; +} + #define MAX_SECS 16 -bfd_target * +static const bfd_target * oasys_object_p (abfd) -bfd *abfd; + bfd *abfd; { oasys_data_type *oasys; - oasys_data_type static_data; - + oasys_data_type *save = OASYS_DATA (abfd); boolean loop = true; - - boolean had_usefull = false; - memset((PTR)static_data.sections, 0xff, sizeof(static_data.sections)); - + abfd->tdata.oasys_obj_data = 0; + oasys_mkobject (abfd); + oasys = OASYS_DATA (abfd); + memset ((PTR) oasys->sections, 0xff, sizeof (oasys->sections)); + /* Point to the start of the file */ - bfd_seek(abfd, (file_ptr)0, SEEK_SET); - static_data.symbol_string_length = 0; + if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) + goto fail; + oasys->symbol_string_length = 0; /* Inspect the records, but only keep the section info - remember the size of the symbols */ - while (loop) { - oasys_record_union_type record; - oasys_read_record(abfd, &record); - if (record.header.length < sizeof(record.header)) - return (bfd_target *)NULL; - - switch ((oasys_record_enum_type)(record.header.type)) { - case oasys_record_is_header_enum: - had_usefull = true; - break; - case oasys_record_is_symbol_enum: - case oasys_record_is_local_enum: - /* Count symbols and remember their size for a future malloc */ - abfd->symcount++; - static_data.symbol_string_length += 1 + oasys_string_length(&record); - had_usefull = true; - break; - case oasys_record_is_section_enum: - { - asection *s; - char *buffer; - unsigned int section_number; - if (record.section.header.length != sizeof(record.section)) + oasys->first_data_record = 0; + while (loop) + { + oasys_record_union_type record; + if (! oasys_read_record (abfd, &record)) + goto fail; + if ((size_t) record.header.length < (size_t) sizeof (record.header)) + goto fail; + + + switch ((oasys_record_enum_type) (record.header.type)) + { + case oasys_record_is_header_enum: + had_usefull = true; + break; + case oasys_record_is_symbol_enum: + case oasys_record_is_local_enum: + /* Count symbols and remember their size for a future malloc */ + abfd->symcount++; + oasys->symbol_string_length += 1 + oasys_string_length (&record); + had_usefull = true; + break; + case oasys_record_is_section_enum: { - return (bfd_target *)NULL; + asection *s; + char *buffer; + unsigned int section_number; + if (record.section.header.length != sizeof (record.section)) + { + goto fail; + } + buffer = bfd_alloc (abfd, 3); + if (!buffer) + goto fail; + section_number = record.section.relb & RELOCATION_SECT_BITS; + sprintf (buffer, "%u", section_number); + s = bfd_make_section (abfd, buffer); + oasys->sections[section_number] = s; + switch (record.section.relb & RELOCATION_TYPE_BITS) + { + case RELOCATION_TYPE_ABS: + case RELOCATION_TYPE_REL: + break; + case RELOCATION_TYPE_UND: + case RELOCATION_TYPE_COM: + BFD_FAIL (); + } + + s->_raw_size = bfd_h_get_32 (abfd, record.section.value); + s->vma = bfd_h_get_32 (abfd, record.section.vma); + s->flags = 0; + had_usefull = true; } - buffer = malloc(3); - section_number= record.section.relb & RELOCATION_SECT_BITS; - sprintf(buffer,"%u", section_number); - s = bfd_make_section(abfd,buffer); - static_data.sections[section_number] = s; - switch (record.section.relb & RELOCATION_TYPE_BITS) { - case RELOCATION_TYPE_ABS: - case RELOCATION_TYPE_REL: break; - case RELOCATION_TYPE_UND: - case RELOCATION_TYPE_COM: - BFD_FAIL(); + case oasys_record_is_data_enum: + oasys->first_data_record = bfd_tell (abfd) - record.header.length; + case oasys_record_is_debug_enum: + case oasys_record_is_module_enum: + case oasys_record_is_named_section_enum: + case oasys_record_is_end_enum: + if (had_usefull == false) + goto fail; + loop = false; + break; + default: + goto fail; } + } + oasys->symbols = (asymbol *) NULL; + /* + Oasys support several architectures, but I can't see a simple way + to discover which one is in a particular file - we'll guess + */ + bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0); + if (abfd->symcount != 0) + { + abfd->flags |= HAS_SYMS; + } + + /* + We don't know if a section has data until we've read it.. + */ + + oasys_slurp_section_data (abfd); - s->size = bfd_h_getlong(abfd, & record.section.value) ; - s->vma = bfd_h_getlong(abfd, &record.section.vma); - s->flags |= SEC_LOAD | SEC_HAS_CONTENTS; - had_usefull = true; - } - break; - case oasys_record_is_data_enum: - static_data.first_data_record = bfd_tell(abfd) - record.header.length; - case oasys_record_is_debug_enum: - case oasys_record_is_module_enum: - case oasys_record_is_named_section_enum: - case oasys_record_is_end_enum: - if (had_usefull == false) return (bfd_target *)NULL; - loop = false; - break; - default: - return (bfd_target *)NULL; - } - } - oasys_data(abfd) = (oasys_data_type - *)malloc(sizeof(oasys_data_type)); - oasys = oasys_data(abfd); - * oasys = static_data; - - oasys->symbols = (asymbol *)NULL; - /* - Oasys support several architectures, but I can't see a simple way - to discover which one is in a particular file - we'll guess - */ - abfd->obj_arch = bfd_arch_m68k; - abfd->obj_machine =0; - if (abfd->symcount != 0) { - abfd->flags |= HAS_SYMS; - } return abfd->xvec; + +fail: + (void) bfd_release (abfd, oasys); + abfd->tdata.oasys_obj_data = save; + return (const bfd_target *) NULL; } -void -oasys_print_symbol(ignore_abfd, file, symbol, how) -bfd *ignore_abfd; -FILE *file; -asymbol *symbol; -bfd_print_symbol_enum_type how; +static void +oasys_get_symbol_info (ignore_abfd, symbol, ret) + bfd *ignore_abfd ATTRIBUTE_UNUSED; + asymbol *symbol; + symbol_info *ret; +{ + bfd_symbol_info (symbol, ret); + if (!symbol->section) + ret->type = (symbol->flags & BSF_LOCAL) ? 'a' : 'A'; +} + +static void +oasys_print_symbol (ignore_abfd, afile, symbol, how) + bfd *ignore_abfd ATTRIBUTE_UNUSED; + PTR afile; + asymbol *symbol; + bfd_print_symbol_type how; { - switch (how) { - case bfd_print_symbol_name_enum: - case bfd_print_symbol_type_enum: - fprintf(file,"%s", symbol->name); - break; - case bfd_print_symbol_all_enum: + FILE *file = (FILE *) afile; + + switch (how) { - char *section_name = symbol->section == (asection *)NULL ? - "*abs" : symbol->section->name; + case bfd_print_symbol_name: + case bfd_print_symbol_more: + fprintf (file, "%s", symbol->name); + break; + case bfd_print_symbol_all: + { + CONST char *section_name = symbol->section == (asection *) NULL ? + (CONST char *) "*abs" : symbol->section->name; - bfd_print_symbol_vandf((void *)file,symbol); + bfd_print_symbol_vandf ((PTR) file, symbol); - fprintf(file," %-5s %s", - section_name, - symbol->name); + fprintf (file, " %-5s %s", + section_name, + symbol->name); + } + break; } - break; - } } /* The howto table is build using the top two bits of a reloc byte to index into it. The bits are PCREL,WORD/LONG */ -static reloc_howto_type howto_table[]= +static reloc_howto_type howto_table[] = { -/* T rs size bsz pcrel bitpos abs ovr sf name partial inplace mask */ -{ 0, 0, 1, 16, false,0, true,true,0,"abs16",true,0x0000ffff}, -{ 0, 0, 2, 32, false,0, true,true,0,"abs32",true,0xffffffff}, -{ 0, 0, 1, 16, true,0, true,true,0,"pcrel16",true,0x0000ffff}, -{ 0, 0, 2, 32, true,0, true,true,0,"pcrel32",true,0xffffffff} + HOWTO (0, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "abs16", true, 0x0000ffff, 0x0000ffff, false), + HOWTO (0, 0, 2, 32, false, 0, complain_overflow_bitfield, 0, "abs32", true, 0xffffffff, 0xffffffff, false), + HOWTO (0, 0, 1, 16, true, 0, complain_overflow_signed, 0, "pcrel16", true, 0x0000ffff, 0x0000ffff, false), + HOWTO (0, 0, 2, 32, true, 0, complain_overflow_signed, 0, "pcrel32", true, 0xffffffff, 0xffffffff, false) }; /* Read in all the section data and relocation stuff too */ -static boolean oasys_slurp_section_data(abfd) -bfd *abfd; +static boolean +oasys_slurp_section_data (abfd) + bfd *CONST abfd; { oasys_record_union_type record; - oasys_data_type *data = oasys_data(abfd); + oasys_data_type *data = OASYS_DATA (abfd); boolean loop = true; - oasys_per_section_type *per ; + oasys_per_section_type *per; asection *s; - /* Buy enough memory for all the section data and relocations */ - for (s = abfd->sections; s != (asection *)NULL; s= s->next) { - per = oasys_per_section(s); - if (per->data != (bfd_byte*)NULL) return true; - per->data = (bfd_byte *) malloc(s->size); - obstack_init(&per->reloc_obstack); - per->reloc_tail_ptr = (oasys_reloc_type **)&(s->relocation); - } - - bfd_seek(abfd, data->first_data_record, SEEK_SET); - while (loop) { - oasys_read_record(abfd, &record); - switch (record.header.type) { - case oasys_record_is_header_enum: - break; - case oasys_record_is_data_enum: - { - - uint8e_type *src = record.data.data; - uint8e_type *end_src = ((uint8e_type *)&record) + record.header.length; - unsigned int relbit; - bfd_byte *dst_ptr ; - bfd_byte *dst_base_ptr ; - asection *section; - unsigned int count; - - bfd_vma dst_offset = bfd_h_getlong(abfd, record.data.addr); - section = data->sections[record.data.relb & RELOCATION_SECT_BITS]; - per = oasys_per_section(section); -dst_base_ptr = dst_ptr = oasys_per_section(section)->data + dst_offset; + /* See if the data has been slurped already .. */ + for (s = abfd->sections; s != (asection *) NULL; s = s->next) + { + per = oasys_per_section (s); + if (per->initialized == true) + return true; + } - while (src < end_src) { - uint8e_type mod_byte = *src++; - count = 8; + if (data->first_data_record == 0) + return true; - for (relbit = 1; count-- != 0; relbit <<=1) - { - if (relbit & mod_byte) - { - uint8e_type reloc = *src; - /* This item needs to be relocated */ - switch (reloc & RELOCATION_TYPE_BITS) { - case RELOCATION_TYPE_ABS: + if (bfd_seek (abfd, data->first_data_record, SEEK_SET) != 0) + return false; + while (loop) + { + if (! oasys_read_record (abfd, &record)) + return false; + switch (record.header.type) + { + case oasys_record_is_header_enum: + break; + case oasys_record_is_data_enum: + { - break; + bfd_byte *src = record.data.data; + bfd_byte *end_src = ((bfd_byte *) & record) + record.header.length; + bfd_byte *dst_ptr; + bfd_byte *dst_base_ptr; + unsigned int relbit; + unsigned int count; + asection *section = + data->sections[record.data.relb & RELOCATION_SECT_BITS]; + bfd_vma dst_offset; + + per = oasys_per_section (section); + + if (per->initialized == false) + { + per->data = (bfd_byte *) bfd_zalloc (abfd, section->_raw_size); + if (!per->data) + return false; + per->reloc_tail_ptr = (oasys_reloc_type **) & (section->relocation); + per->had_vma = false; + per->initialized = true; + section->reloc_count = 0; + section->flags = SEC_ALLOC; + } + + dst_offset = bfd_h_get_32 (abfd, record.data.addr); + if (per->had_vma == false) + { + /* Take the first vma we see as the base */ + section->vma = dst_offset; + per->had_vma = true; + } + + dst_offset -= section->vma; + + dst_base_ptr = oasys_per_section (section)->data; + dst_ptr = oasys_per_section (section)->data + + dst_offset; + + if (src < end_src) + { + section->flags |= SEC_LOAD | SEC_HAS_CONTENTS; + } + while (src < end_src) + { + unsigned char mod_byte = *src++; + size_t gap = end_src - src; + + count = 8; + if (mod_byte == 0 && gap >= 8) + { + dst_ptr[0] = src[0]; + dst_ptr[1] = src[1]; + dst_ptr[2] = src[2]; + dst_ptr[3] = src[3]; + dst_ptr[4] = src[4]; + dst_ptr[5] = src[5]; + dst_ptr[6] = src[6]; + dst_ptr[7] = src[7]; + dst_ptr += 8; + src += 8; + } + else + { + for (relbit = 1; count-- != 0 && src < end_src; relbit <<= 1) + { + if (relbit & mod_byte) + { + unsigned char reloc = *src; + /* This item needs to be relocated */ + switch (reloc & RELOCATION_TYPE_BITS) + { + case RELOCATION_TYPE_ABS: + + break; + + case RELOCATION_TYPE_REL: + { + /* Relocate the item relative to the section */ + oasys_reloc_type *r = + (oasys_reloc_type *) + bfd_alloc (abfd, + sizeof (oasys_reloc_type)); + if (!r) + return false; + *(per->reloc_tail_ptr) = r; + per->reloc_tail_ptr = &r->next; + r->next = (oasys_reloc_type *) NULL; + /* Reference to undefined symbol */ + src++; + /* There is no symbol */ + r->symbol = 0; + /* Work out the howto */ + abort (); +#if 0 + r->relent.section = + data->sections[reloc & + RELOCATION_SECT_BITS]; - case RELOCATION_TYPE_REL: - { - /* Relocate the item relative to the section */ - oasys_reloc_type *r = - (oasys_reloc_type *) - obstack_alloc(&per->reloc_obstack, - sizeof(oasys_reloc_type)); - *(per->reloc_tail_ptr) = r; - per->reloc_tail_ptr = &r->next; - r->next= (oasys_reloc_type *)NULL; - /* Reference to undefined symbol */ - src++; - /* There is no symbol */ - r->symbol = 0; - /* Work out the howto */ - r->relent.section = - data->sections[reloc & RELOCATION_SECT_BITS]; - r->relent.addend = 0; - r->relent.address = dst_ptr - dst_base_ptr; - r->relent.howto = &howto_table[reloc>>6]; - section->reloc_count++; + r->relent.addend = - + r->relent.section->vma; +#endif + r->relent.address = dst_ptr - dst_base_ptr; + r->relent.howto = &howto_table[reloc >> 6]; + r->relent.sym_ptr_ptr = (asymbol **) NULL; + section->reloc_count++; + + /* Fake up the data to look like it's got the -ve pc in it, this makes + it much easier to convert into other formats. This is done by + hitting the addend. + */ + if (r->relent.howto->pc_relative == true) + { + r->relent.addend -= dst_ptr - dst_base_ptr; + } + + + } + break; + + + case RELOCATION_TYPE_UND: + { + oasys_reloc_type *r = + (oasys_reloc_type *) + bfd_alloc (abfd, + sizeof (oasys_reloc_type)); + if (!r) + return false; + *(per->reloc_tail_ptr) = r; + per->reloc_tail_ptr = &r->next; + r->next = (oasys_reloc_type *) NULL; + /* Reference to undefined symbol */ + src++; + /* Get symbol number */ + r->symbol = (src[0] << 8) | src[1]; + /* Work out the howto */ + abort (); - } - break; - - - case RELOCATION_TYPE_UND: - { - oasys_reloc_type *r = - (oasys_reloc_type *) - obstack_alloc(&per->reloc_obstack, - sizeof(oasys_reloc_type)); - *(per->reloc_tail_ptr) = r; - per->reloc_tail_ptr = &r->next; - r->next= (oasys_reloc_type *)NULL; - /* Reference to undefined symbol */ - src++; - /* Get symbol number */ - r->symbol = (src[0]<<8) | src[1]; - /* Work out the howto */ - r->relent.section = (asection *)NULL; - r->relent.addend = 0; - r->relent.address = dst_ptr - dst_base_ptr; - r->relent.howto = &howto_table[reloc>>6]; - - section->reloc_count++; - src+=2; - } - break; - case RELOCATION_TYPE_COM: - BFD_FAIL(); +#if 0 + r->relent.section = (asection + *) NULL; +#endif + r->relent.addend = 0; + r->relent.address = dst_ptr - dst_base_ptr; + r->relent.howto = &howto_table[reloc >> 6]; + r->relent.sym_ptr_ptr = (asymbol **) NULL; + section->reloc_count++; + + src += 2; + /* Fake up the data to look like it's got the -ve pc in it, this makes + it much easier to convert into other formats. This is done by + hitting the addend. + */ + if (r->relent.howto->pc_relative == true) + { + r->relent.addend -= dst_ptr - dst_base_ptr; + } + + + + } + break; + case RELOCATION_TYPE_COM: + BFD_FAIL (); + } + } + *dst_ptr++ = *src++; + } } - } - *dst_ptr++ = *src++; - } - } - } - break; - case oasys_record_is_local_enum: - case oasys_record_is_symbol_enum: - case oasys_record_is_section_enum: - break; - default: - loop = false; + } + } + break; + case oasys_record_is_local_enum: + case oasys_record_is_symbol_enum: + case oasys_record_is_section_enum: + break; + default: + loop = false; + } } - } + return true; } - - - - -boolean +static boolean oasys_new_section_hook (abfd, newsect) -bfd *abfd; -asection *newsect; + bfd *abfd; + asection *newsect; { - newsect->used_by_bfd = (oasys_per_section_type *) - malloc(sizeof(oasys_per_section_type)); - oasys_per_section( newsect)->data = (bfd_byte *)NULL; - oasys_per_section(newsect)->section = newsect; - oasys_per_section(newsect)->offset = 0; + newsect->used_by_bfd = (PTR) + bfd_alloc (abfd, sizeof (oasys_per_section_type)); + if (!newsect->used_by_bfd) + return false; + oasys_per_section (newsect)->data = (bfd_byte *) NULL; + oasys_per_section (newsect)->section = newsect; + oasys_per_section (newsect)->offset = 0; + oasys_per_section (newsect)->initialized = false; + newsect->alignment_power = 1; + /* Turn the section string into an index */ + + sscanf (newsect->name, "%u", &newsect->target_index); + return true; } -unsigned int +static long oasys_get_reloc_upper_bound (abfd, asect) -bfd *abfd; -sec_ptr asect; + bfd *abfd; + sec_ptr asect; { - oasys_slurp_section_data(abfd); - return (asect->reloc_count+1) * sizeof(arelent *); + if (! oasys_slurp_section_data (abfd)) + return -1; + return (asect->reloc_count + 1) * sizeof (arelent *); } static boolean oasys_get_section_contents (abfd, section, location, offset, count) -bfd *abfd; -sec_ptr section; -void *location; -file_ptr offset; -unsigned int count; + bfd *abfd; + sec_ptr section; + PTR location; + file_ptr offset; + bfd_size_type count; { - oasys_per_section_type *p = section->used_by_bfd; - oasys_slurp_section_data(abfd); - (void) memcpy(location, p->data + offset, count); + oasys_per_section_type *p = (oasys_per_section_type *) section->used_by_bfd; + oasys_slurp_section_data (abfd); + if (p->initialized == false) + { + (void) memset (location, 0, (int) count); + } + else + { + (void) memcpy (location, (PTR) (p->data + offset), (int) count); + } return true; } -unsigned int -oasys_canonicalize_reloc (abfd, section, relptr, symbols) -bfd *abfd; -sec_ptr section; -arelent **relptr; -asymbol **symbols; -{ - oasys_reloc_type *src = (oasys_reloc_type *)(section->relocation); - while (src != (oasys_reloc_type *)NULL) { - if (src->relent.section == (asection *)NULL) { - src->relent.sym_ptr_ptr = symbols + src->symbol; - } - *relptr ++ = &src->relent; - src = src->next; - } - *relptr = (arelent *)NULL; - return section->reloc_count; -} - -boolean -oasys_set_arch_mach (abfd, arch, machine) -bfd *abfd; -enum bfd_architecture arch; -unsigned long machine; +long +oasys_canonicalize_reloc (ignore_abfd, section, relptr, symbols) + bfd *ignore_abfd ATTRIBUTE_UNUSED; + sec_ptr section; + arelent **relptr; + asymbol **symbols ATTRIBUTE_UNUSED; { - abfd->obj_arch = arch; - abfd->obj_machine = machine; - return true; -} + unsigned int reloc_count = 0; + oasys_reloc_type *src = (oasys_reloc_type *) (section->relocation); + while (src != (oasys_reloc_type *) NULL) + { + abort (); -boolean -oasys_mkobject(abfd) -bfd *abfd; -{ - oasys_data_type *oasys = - (oasys_data_type *) malloc(sizeof(oasys_data_type)); - oasys_data(abfd) = oasys; - if (oasys == (oasys_data_type *)NULL) { - bfd_error = no_memory; - return false; - } +#if 0 + if (src->relent.section == (asection *) NULL) + { + src->relent.sym_ptr_ptr = symbols + src->symbol; + } +#endif - return true; + *relptr++ = &src->relent; + src = src->next; + reloc_count++; + } + *relptr = (arelent *) NULL; + return section->reloc_count = reloc_count; } +/* Writing */ - -static void -init_for_output(abfd) -bfd *abfd; +/* Calculate the checksum and write one record */ +static boolean +oasys_write_record (abfd, type, record, size) + bfd *abfd; + oasys_record_enum_type type; + oasys_record_union_type *record; + size_t size; { - asection *s; - for (s = abfd->sections; s != (asection *)NULL; s = s->next) { - if (s->size != 0) { - oasys_per_section(s)->data = (bfd_byte *)(malloc(s->size)); + int checksum; + size_t i; + unsigned char *ptr; + + record->header.length = size; + record->header.type = (int) type; + record->header.check_sum = 0; + record->header.fill = 0; + ptr = (unsigned char *) &record->pad[0]; + checksum = 0; + for (i = 0; i < size; i++) + { + checksum += *ptr++; } - } -} - -/** exec and core file sections */ - -/* set section contents is complicated with OASYS since the format is -* not a byte image, but a record stream. -*/ -boolean -oasys_set_section_contents (abfd, section, location, offset, count) -bfd *abfd; -sec_ptr section; -unsigned char *location; -file_ptr offset; -int count; -{ - if (oasys_per_section(section)->data == (bfd_byte *)NULL) { - init_for_output(abfd); - } - (void) memcpy(oasys_per_section(section)->data + offset, location, count); + record->header.check_sum = 0xff & (-checksum); + if (bfd_write ((PTR) record, 1, size, abfd) != size) + return false; return true; } +/* Write out all the symbols */ +static boolean +oasys_write_syms (abfd) + bfd *abfd; +{ + unsigned int count; + asymbol **generic = bfd_get_outsymbols (abfd); + unsigned int index = 0; + for (count = 0; count < bfd_get_symcount (abfd); count++) + { - -/* Native-level interface to symbols. */ + oasys_symbol_record_type symbol; + asymbol *CONST g = generic[count]; -/* We read the symbols into a buffer, which is discarded when this -function exits. We read the strings into a buffer large enough to -hold them all plus all the cached symbol entries. */ + CONST char *src = g->name; + char *dst = symbol.name; + unsigned int l = 0; -asymbol * -oasys_make_empty_symbol (abfd) -bfd *abfd; -{ + if (bfd_is_com_section (g->section)) + { + symbol.relb = RELOCATION_TYPE_COM; + bfd_h_put_16 (abfd, index, symbol.refno); + index++; + } + else if (bfd_is_abs_section (g->section)) + { + symbol.relb = RELOCATION_TYPE_ABS; + bfd_h_put_16 (abfd, 0, symbol.refno); - oasys_symbol_type *new = - (oasys_symbol_type *)zalloc (sizeof (oasys_symbol_type)); - new->symbol.the_bfd = abfd; - return &new->symbol; + } + else if (bfd_is_und_section (g->section)) + { + symbol.relb = RELOCATION_TYPE_UND; + bfd_h_put_16 (abfd, index, symbol.refno); + /* Overload the value field with the output index number */ + index++; + } + else if (g->flags & BSF_DEBUGGING) + { + /* throw it away */ + continue; + } + else + { + if (g->section == (asection *) NULL) + { + /* Sometime, the oasys tools give out a symbol with illegal + bits in it, we'll output it in the same broken way */ -} + symbol.relb = RELOCATION_TYPE_REL | 0; + } + else + { + symbol.relb = RELOCATION_TYPE_REL | g->section->output_section->target_index; + } + bfd_h_put_16 (abfd, 0, symbol.refno); + } +#ifdef UNDERSCORE_HACK + if (src[l] == '_') + dst[l++] = '.'; +#endif + while (src[l]) + { + dst[l] = src[l]; + l++; + } -void -oasys_reclaim_symbol_table (abfd) -bfd *abfd; -{ -#if 0 - asection *section; + bfd_h_put_32 (abfd, g->value, symbol.value); - if (!bfd_get_symcount (abfd)) return; - for (section = abfd->sections; section != NULL; section = section->next) - if (section->relocation) { - free ((void *)section->relocation); - section->relocation = NULL; - section->reloc_count = 0; + if (g->flags & BSF_LOCAL) + { + if (! oasys_write_record (abfd, + oasys_record_is_local_enum, + (oasys_record_union_type *) & symbol, + offsetof (oasys_symbol_record_type, + name[0]) + l)) + return false; + } + else + { + if (! oasys_write_record (abfd, + oasys_record_is_symbol_enum, + (oasys_record_union_type *) & symbol, + offsetof (oasys_symbol_record_type, + name[0]) + l)) + return false; + } + g->value = index - 1; } - bfd_get_symcount (abfd) = 0; - free ((void *)obj_aout_symbols (abfd)); - obj_aout_symbols (abfd) = (aout_symbol_type *)NULL; -#endif + return true; } - - -/* Obsbolete procedural interface; better to look at the cache directly */ - -/* User should have checked the file flags; perhaps we should return -BFD_NO_MORE_SYMBOLS if there are none? */ - -int -oasys_get_symcount_upper_bound (abfd) -bfd *abfd; + /* Write a section header for each section */ +static boolean +oasys_write_sections (abfd) + bfd *abfd; { -#if 0 - /* In case we're doing an output file or something...? */ - if (bfd_get_symcount (abfd)) return bfd_get_symcount (abfd); + asection *s; + static oasys_section_record_type out; - return (exec_hdr (abfd)->a_syms) / (sizeof (struct nlist)); -#endif + for (s = abfd->sections; s != (asection *) NULL; s = s->next) + { + if (!isdigit ((unsigned char) s->name[0])) + { + (*_bfd_error_handler) + (_("%s: can not represent section `%s' in oasys"), + bfd_get_filename (abfd), s->name); + bfd_set_error (bfd_error_nonrepresentable_section); + return false; + } + out.relb = RELOCATION_TYPE_REL | s->target_index; + bfd_h_put_32 (abfd, s->_cooked_size, out.value); + bfd_h_put_32 (abfd, s->vma, out.vma); + + if (! oasys_write_record (abfd, + oasys_record_is_section_enum, + (oasys_record_union_type *) & out, + sizeof (out))) + return false; + } + return true; } -symindex -oasys_get_first_symbol (ignore_abfd) -bfd * ignore_abfd; +static boolean +oasys_write_header (abfd) + bfd *abfd; { - return 0; + /* Create and write the header */ + oasys_header_record_type r; + size_t length = strlen (abfd->filename); + if (length > (size_t) sizeof (r.module_name)) + { + length = sizeof (r.module_name); + } + + (void) memcpy (r.module_name, + abfd->filename, + length); + (void) memset (r.module_name + length, + ' ', + sizeof (r.module_name) - length); + + r.version_number = OASYS_VERSION_NUMBER; + r.rev_number = OASYS_REV_NUMBER; + if (! oasys_write_record (abfd, + oasys_record_is_header_enum, + (oasys_record_union_type *) & r, + offsetof (oasys_header_record_type, + description[0]))) + return false; + + return true; } -symindex -oasys_get_next_symbol (abfd, oidx) -bfd *abfd; -symindex oidx; +static boolean +oasys_write_end (abfd) + bfd *abfd; { -#if 0 - if (oidx == BFD_NO_MORE_SYMBOLS) return BFD_NO_MORE_SYMBOLS; - return ++oidx >= bfd_get_symcount (abfd) ? BFD_NO_MORE_SYMBOLS : - oidx; -#endif + oasys_end_record_type end; + unsigned char null = 0; + end.relb = RELOCATION_TYPE_ABS; + bfd_h_put_32 (abfd, abfd->start_address, end.entry); + bfd_h_put_16 (abfd, 0, end.fill); + end.zero = 0; + if (! oasys_write_record (abfd, + oasys_record_is_end_enum, + (oasys_record_union_type *) & end, + sizeof (end))) + return false; + if (bfd_write ((PTR) & null, 1, 1, abfd) != 1) + return false; + return true; } -char * -oasys_symbol_name (abfd, idx) -bfd *abfd; -symindex idx; +static int +comp (ap, bp) + CONST PTR ap; + CONST PTR bp; { -#if 0 - return (obj_aout_symbols (abfd) + idx)->symbol.name; -#endif + arelent *a = *((arelent **) ap); + arelent *b = *((arelent **) bp); + return a->address - b->address; } -long -oasys_symbol_value (abfd, idx) -bfd *abfd; -symindex idx; +/* + Writing data.. + +*/ +static boolean +oasys_write_data (abfd) + bfd *abfd; { + asection *s; + for (s = abfd->sections; s != (asection *) NULL; s = s->next) + { + if (s->flags & SEC_LOAD) + { + bfd_byte *raw_data = oasys_per_section (s)->data; + oasys_data_record_type processed_data; + bfd_size_type current_byte_index = 0; + unsigned int relocs_to_go = s->reloc_count; + arelent **p = s->orelocation; + if (s->reloc_count != 0) + { +/* Sort the reloc records so it's easy to insert the relocs into the + data */ + + qsort (s->orelocation, + s->reloc_count, + sizeof (arelent **), + comp); + } + current_byte_index = 0; + processed_data.relb = s->target_index | RELOCATION_TYPE_REL; + + while (current_byte_index < s->_cooked_size) + { + /* Scan forwards by eight bytes or however much is left and see if + there are any relocations going on */ + bfd_byte *mod = &processed_data.data[0]; + bfd_byte *dst = &processed_data.data[1]; + + unsigned int i = 0; + *mod = 0; + + + bfd_h_put_32 (abfd, s->vma + current_byte_index, + processed_data.addr); + + /* Don't start a relocation unless you're sure you can finish it + within the same data record. The worst case relocation is a + 4-byte relocatable value which is split across two modification + bytes (1 relocation byte + 2 symbol reference bytes + 2 data + + 1 modification byte + 2 data = 8 bytes total). That's where + the magic number 8 comes from. + */ + while (current_byte_index < s->_raw_size && dst <= + &processed_data.data[sizeof (processed_data.data) - 8]) + { + + + if (relocs_to_go != 0) + { + arelent *r = *p; + reloc_howto_type *const how = r->howto; + /* There is a relocation, is it for this byte ? */ + if (r->address == current_byte_index) + { + unsigned char rel_byte; + + p++; + relocs_to_go--; + + *mod |= (1 << i); + if (how->pc_relative) + { + rel_byte = RELOCATION_PCREL_BIT; + + /* Also patch the raw data so that it doesn't have + the -ve stuff any more */ + if (how->size != 2) + { + bfd_put_16 (abfd, + bfd_get_16 (abfd, raw_data) + + current_byte_index, raw_data); + } + + else + { + bfd_put_32 (abfd, + bfd_get_32 (abfd, raw_data) + + current_byte_index, raw_data); + } + } + else + { + rel_byte = 0; + } + if (how->size == 2) + { + rel_byte |= RELOCATION_32BIT_BIT; + } + + /* Is this a section relative relocation, or a symbol + relative relocation ? */ + abort (); + #if 0 - return (obj_aout_symbols (abfd) + idx)->symbol.value; + if (r->section != (asection *) NULL) + { + /* The relent has a section attached, so it must be section + relative */ + rel_byte |= RELOCATION_TYPE_REL; + rel_byte |= r->section->output_section->target_index; + *dst++ = rel_byte; + } + else #endif -} + { + asymbol *p = *(r->sym_ptr_ptr); + + /* If this symbol has a section attached, then it + has already been resolved. Change from a symbol + ref to a section ref */ + if (p->section != (asection *) NULL) + { + rel_byte |= RELOCATION_TYPE_REL; + rel_byte |= + p->section->output_section->target_index; + *dst++ = rel_byte; + } + else + { + rel_byte |= RELOCATION_TYPE_UND; + *dst++ = rel_byte; + /* Next two bytes are a symbol index - we can get + this from the symbol value which has been zapped + into the symbol index in the table when the + symbol table was written + */ + *dst++ = p->value >> 8; + *dst++ = p->value; + } + } +#define ADVANCE { if (++i >= 8) { i = 0; mod = dst++; *mod = 0; } current_byte_index++; } + /* relocations never occur from an unloadable section, + so we can assume that raw_data is not NULL + */ + *dst++ = *raw_data++; + ADVANCE + * dst++ = *raw_data++; + ADVANCE + if (how->size == 2) + { + *dst++ = *raw_data++; + ADVANCE + * dst++ = *raw_data++; + ADVANCE + } + continue; + } + } + /* If this is coming from an unloadable section then copy + zeros */ + if (raw_data == NULL) + { + *dst++ = 0; + } + else + { + *dst++ = *raw_data++; + } + ADVANCE + } -symclass -oasys_classify_symbol (abfd, idx) -bfd *abfd; -symindex idx; -{ -#if 0 - aout_symbol_type *sym = obj_aout_symbols (abfd) + idx; + /* Don't write a useless null modification byte */ + if (dst == mod + 1) + { + --dst; + } - if ((sym->symbol.flags & BSF_FORT_COMM) != 0) return bfd_symclass_fcommon; - if ((sym->symbol.flags & BSF_GLOBAL) != 0) return bfd_symclass_global; - if ((sym->symbol.flags & BSF_DEBUGGING) != 0) return bfd_symclass_debugger; - if ((sym->symbol.flags & BSF_UNDEFINED) != 0) return bfd_symclass_undefined; -#endif - return bfd_symclass_unknown; + if (! oasys_write_record (abfd, + oasys_record_is_data_enum, + ((oasys_record_union_type *) + & processed_data), + dst - (bfd_byte *) & processed_data)) + return false; + } + } + } + + return true; } -boolean -oasys_symbol_hasclass (abfd, idx, class) -bfd *abfd; -symindex idx; -symclass class; +static boolean +oasys_write_object_contents (abfd) + bfd *abfd; { -#if 0 - aout_symbol_type *sym = obj_aout_symbols (abfd) + idx; - switch (class) { - case bfd_symclass_fcommon: - return (sym->symbol.flags & BSF_FORT_COMM) ? true :false; - case bfd_symclass_global: - return (sym->symbol.flags & BSF_GLOBAL) ? true:false; - case bfd_symclass_debugger: - return (sym->symbol.flags & BSF_DEBUGGING) ? true:false;; - case bfd_symclass_undefined: - return (sym->symbol.flags & BSF_UNDEFINED) ? true:false;; - default: return false; - } -#endif + if (! oasys_write_header (abfd)) + return false; + if (! oasys_write_syms (abfd)) + return false; + if (! oasys_write_sections (abfd)) + return false; + if (! oasys_write_data (abfd)) + return false; + if (! oasys_write_end (abfd)) + return false; + return true; } -void -oasys_reclaim_reloc (ignore_abfd, section) -bfd *ignore_abfd; -sec_ptr section; -{ -#if 0 - if (section->relocation) { - free (section->relocation); - section->relocation = NULL; - section->reloc_count = 0; - } -#endif -} -boolean -oasys_close_and_cleanup (abfd) -bfd *abfd; + +/** exec and core file sections */ + +/* set section contents is complicated with OASYS since the format is +* not a byte image, but a record stream. +*/ +static boolean +oasys_set_section_contents (abfd, section, location, offset, count) + bfd *abfd; + sec_ptr section; + PTR location; + file_ptr offset; + bfd_size_type count; { - if (bfd_read_p (abfd) == false) - switch (abfd->format) { - case bfd_archive: - if (!_bfd_write_archive_contents (abfd)) { - return false; - } - break; - case bfd_object: -/* if (!oasys_write_object_contents (abfd)) */{ - return false; - } - break; - default: - bfd_error = invalid_operation; - return false; + if (count != 0) + { + if (oasys_per_section (section)->data == (bfd_byte *) NULL) + { + oasys_per_section (section)->data = + (bfd_byte *) (bfd_alloc (abfd, section->_cooked_size)); + if (!oasys_per_section (section)->data) + return false; + } + (void) memcpy ((PTR) (oasys_per_section (section)->data + offset), + location, + (size_t) count); } + return true; +} - if (oasys_data(abfd) != (oasys_data_type *)NULL) { - /* FIXME MORE LEAKS */ - } +/* Native-level interface to symbols. */ - return true; +/* We read the symbols into a buffer, which is discarded when this +function exits. We read the strings into a buffer large enough to +hold them all plus all the cached symbol entries. */ + +static asymbol * +oasys_make_empty_symbol (abfd) + bfd *abfd; +{ + + oasys_symbol_type *new = + (oasys_symbol_type *) bfd_zalloc (abfd, sizeof (oasys_symbol_type)); + if (!new) + return NULL; + new->symbol.the_bfd = abfd; + return &new->symbol; } + + + + +/* User should have checked the file flags; perhaps we should return +BFD_NO_MORE_SYMBOLS if there are none? */ static bfd * -oasys_openr_next_archived_file(arch, prev) -bfd *arch; -bfd *prev; +oasys_openr_next_archived_file (arch, prev) + bfd *arch; + bfd *prev; { - oasys_ar_data_type *ar = oasys_ar_data(arch); + oasys_ar_data_type *ar = OASYS_AR_DATA (arch); oasys_module_info_type *p; /* take the next one from the arch state, or reset */ - if (prev == (bfd *)NULL) { - /* Reset the index - the first two entries are bogus*/ - ar->module_index = 0; - } + if (prev == (bfd *) NULL) + { + /* Reset the index - the first two entries are bogus*/ + ar->module_index = 0; + } p = ar->module + ar->module_index; ar->module_index++; - if (ar->module_index <= ar->module_count) { - if (p->abfd == (bfd *)NULL) { - p->abfd = _bfd_create_empty_archive_element_shell(arch); - p->abfd->origin = p->pos; - p->abfd->filename = p->name; + if (ar->module_index <= ar->module_count) + { + if (p->abfd == (bfd *) NULL) + { + p->abfd = _bfd_create_empty_archive_element_shell (arch); + p->abfd->origin = p->pos; + p->abfd->filename = p->name; - /* Fixup a pointer to this element for the member */ - p->abfd->arelt_data = (void *)p; + /* Fixup a pointer to this element for the member */ + p->abfd->arelt_data = (PTR) p; + } + return p->abfd; + } + else + { + bfd_set_error (bfd_error_no_more_archived_files); + return (bfd *) NULL; } - return p->abfd; - } - else { - bfd_error = no_more_archived_files; - return (bfd *)NULL; - } } static boolean -oasys_find_nearest_line(abfd, +oasys_find_nearest_line (abfd, section, symbols, offset, filename_ptr, functionname_ptr, line_ptr) -bfd *abfd; -asection *section; -asymbol **symbols; -bfd_vma offset; -char **filename_ptr; -char **functionname_ptr; -unsigned int *line_ptr; + bfd *abfd ATTRIBUTE_UNUSED; + asection *section ATTRIBUTE_UNUSED; + asymbol **symbols ATTRIBUTE_UNUSED; + bfd_vma offset ATTRIBUTE_UNUSED; + char **filename_ptr ATTRIBUTE_UNUSED; + char **functionname_ptr ATTRIBUTE_UNUSED; + unsigned int *line_ptr ATTRIBUTE_UNUSED; { return false; } static int -oasys_stat_arch_elt(abfd, buf) -bfd *abfd; -struct stat *buf; +oasys_generic_stat_arch_elt (abfd, buf) + bfd *abfd; + struct stat *buf; { - oasys_module_info_type *mod = abfd->arelt_data; - if (mod == (oasys_module_info_type *)NULL) { - bfd_error = invalid_operation; - return -1; - } - else { - buf->st_size = mod->size; - buf->st_mode = 0666; - return 0; - } - + oasys_module_info_type *mod = (oasys_module_info_type *) abfd->arelt_data; + if (mod == (oasys_module_info_type *) NULL) + { + bfd_set_error (bfd_error_invalid_operation); + return -1; + } + else + { + buf->st_size = mod->size; + buf->st_mode = 0666; + return 0; + } +} +static int +oasys_sizeof_headers (abfd, exec) + bfd *abfd ATTRIBUTE_UNUSED; + boolean exec ATTRIBUTE_UNUSED; +{ + return 0; } +#define oasys_close_and_cleanup _bfd_generic_close_and_cleanup +#define oasys_bfd_free_cached_info _bfd_generic_bfd_free_cached_info + +#define oasys_slurp_armap bfd_true +#define oasys_slurp_extended_name_table bfd_true +#define oasys_construct_extended_name_table \ + ((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \ + bfd_true) +#define oasys_truncate_arname bfd_dont_truncate_arname +#define oasys_write_armap \ + ((boolean (*) \ + PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \ + bfd_true) +#define oasys_read_ar_hdr bfd_nullvoidptr +#define oasys_get_elt_at_index _bfd_generic_get_elt_at_index +#define oasys_update_armap_timestamp bfd_true + +#define oasys_bfd_is_local_label_name bfd_generic_is_local_label_name +#define oasys_get_lineno _bfd_nosymbols_get_lineno +#define oasys_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol +#define oasys_read_minisymbols _bfd_generic_read_minisymbols +#define oasys_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol + +#define oasys_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup + +#define oasys_set_arch_mach bfd_default_set_arch_mach + +#define oasys_get_section_contents_in_window \ + _bfd_generic_get_section_contents_in_window + +#define oasys_bfd_get_relocated_section_contents \ + bfd_generic_get_relocated_section_contents +#define oasys_bfd_relax_section bfd_generic_relax_section +#define oasys_bfd_gc_sections bfd_generic_gc_sections +#define oasys_bfd_link_hash_table_create _bfd_generic_link_hash_table_create +#define oasys_bfd_link_add_symbols _bfd_generic_link_add_symbols +#define oasys_bfd_final_link _bfd_generic_final_link +#define oasys_bfd_link_split_section _bfd_generic_link_split_section /*SUPPRESS 460 */ -bfd_target oasys_vec = +const bfd_target oasys_vec = { "oasys", /* name */ - bfd_target_oasys_flavour_enum, - true, /* target byte order */ - true, /* target headers byte order */ + bfd_target_oasys_flavour, + BFD_ENDIAN_BIG, /* target byte order */ + BFD_ENDIAN_BIG, /* target headers byte order */ (HAS_RELOC | EXEC_P | /* object flags */ HAS_LINENO | HAS_DEBUG | - HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), - (SEC_CODE|SEC_DATA|SEC_ROM|SEC_HAS_CONTENTS - |SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ - 0, /* valid reloc types */ + HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), + (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS + | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ + 0, /* leading underscore */ ' ', /* ar_pad_char */ 16, /* ar_max_namelen */ - oasys_close_and_cleanup, /* _close_and_cleanup */ - oasys_set_section_contents, /* bfd_set_section_contents */ - oasys_get_section_contents, - oasys_new_section_hook, /* new_section_hook */ - 0, /* _core_file_failing_command */ - 0, /* _core_file_failing_signal */ - 0, /* _core_file_matches_ex...p */ - - 0, /* bfd_slurp_bsd_armap, bfd_slurp_armap */ - bfd_true, /* bfd_slurp_extended_name_table */ - bfd_bsd_truncate_arname, /* bfd_truncate_arname */ - - oasys_get_symtab_upper_bound, /* get_symtab_upper_bound */ - oasys_get_symtab, /* canonicalize_symtab */ - 0, /* oasys_reclaim_symbol_table, bfd_reclaim_symbol_table */ - oasys_get_reloc_upper_bound, /* get_reloc_upper_bound */ - oasys_canonicalize_reloc, /* bfd_canonicalize_reloc */ - 0, /* oasys_reclaim_reloc, bfd_reclaim_reloc */ - 0, /* oasys_get_symcount_upper_bound, bfd_get_symcount_upper_bound */ - 0, /* oasys_get_first_symbol, bfd_get_first_symbol */ - 0, /* oasys_get_next_symbol, bfd_get_next_symbol */ - 0, /* oasys_classify_symbol, bfd_classify_symbol */ - 0, /* oasys_symbol_hasclass, bfd_symbol_hasclass */ - 0, /* oasys_symbol_name, bfd_symbol_name */ - 0, /* oasys_symbol_value, bfd_symbol_value */ - - _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* data */ - _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */ + bfd_getb64, bfd_getb_signed_64, bfd_putb64, + bfd_getb32, bfd_getb_signed_32, bfd_putb32, + bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ + bfd_getb64, bfd_getb_signed_64, bfd_putb64, + bfd_getb32, bfd_getb_signed_32, bfd_putb32, + bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ {_bfd_dummy_target, - oasys_object_p, /* bfd_check_format */ - oasys_archive_p, - bfd_false - }, - { + oasys_object_p, /* bfd_check_format */ + oasys_archive_p, + _bfd_dummy_target, + }, + { /* bfd_set_format */ bfd_false, - oasys_mkobject, + oasys_mkobject, _bfd_generic_mkarchive, bfd_false - }, - oasys_make_empty_symbol, - oasys_print_symbol, - bfd_false, /* oasys_get_lineno,*/ - oasys_set_arch_mach, /* bfd_set_arch_mach,*/ - bfd_false, - oasys_openr_next_archived_file, - oasys_find_nearest_line, /* bfd_find_nearest_line */ - oasys_stat_arch_elt, /* bfd_stat_arch_elt */ + }, + { /* bfd_write_contents */ + bfd_false, + oasys_write_object_contents, + _bfd_write_archive_contents, + bfd_false, + }, + + BFD_JUMP_TABLE_GENERIC (oasys), + BFD_JUMP_TABLE_COPY (_bfd_generic), + BFD_JUMP_TABLE_CORE (_bfd_nocore), + BFD_JUMP_TABLE_ARCHIVE (oasys), + BFD_JUMP_TABLE_SYMBOLS (oasys), + BFD_JUMP_TABLE_RELOCS (oasys), + BFD_JUMP_TABLE_WRITE (oasys), + BFD_JUMP_TABLE_LINK (oasys), + BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), + + NULL, + + (PTR) 0 };