/* Copyright (C) 1990, 1991 Free Software Foundation, Inc. This file is part of BFD, the Binary File Diddler. BFD 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 1, or (at your option) any later version. BFD 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 BFD; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* $Id$ */ #define I960 1 #include "sysdep.h" #include "bfd.h" #include "libbfd.h" #include "libcoff.h" /* to allow easier abstraction-breaking */ #include "intel-coff.h" #define CALLS 0x66003800 /* Template for 'calls' instruction */ #define BAL 0x0b000000 /* Template for 'bal' instruction */ #define BAL_MASK 0x00ffffff static bfd_reloc_status_enum_type optcall_callback(abfd, reloc_entry, symbol_in, data, ignore_input_section) bfd *abfd; arelent *reloc_entry; asymbol *symbol_in; unsigned char *data; asection *ignore_input_section; { /* This item has already been relocated correctly, but we may be * able to patch in yet better code - done by digging out the * correct info on this symbol */ bfd_reloc_status_enum_type result; coff_symbol_type *cs = coffsymbol(symbol_in); /* So the target symbol has to be off coff type, and the symbol has to have the correct native information within it */ if ((cs->symbol.the_bfd->xvec->flavour != bfd_target_coff_flavour_enum) || (cs->native == (struct syment *)NULL)) { /* This is interesting, consider the case where we're outputting */ /* coff from a mix n match input, linking from coff to a symbol */ /* defined in a bout file will cause this match to be true. Should */ /* I complain ? - This will only work if the bout symbol is non */ /* leaf. */ result = bfd_reloc_dangerous; } else { switch (cs->native->n_sclass) { case C_LEAFSTAT: case C_LEAFEXT: /* This is a call to a leaf procedure, replace instruction with a bal to the correct location */ { union auxent *aux = (union auxent *)(cs->native+2); int word = bfd_getlong(abfd, data + reloc_entry->address); BFD_ASSERT(cs->native->n_numaux==2); /* We replace the original call instruction with a bal to */ /* the bal entry point - the offset of which is described in the */ /* 2nd auxent of the original symbol. We keep the native sym and */ /* auxents untouched, so the delta between the two is the */ /* offset of the bal entry point */ word = ((word + (aux->x_bal.x_balntry - cs->native->n_value)) & BAL_MASK) | BAL; bfd_putlong(abfd, word, data+reloc_entry->address); } result = bfd_reloc_ok; break; case C_SCALL: { /* This is a call to a system call, replace with a calls to # */ BFD_ASSERT(0); } break; default: result = bfd_reloc_ok; break; } } return result; } static reloc_howto_type howto_table[] = { {0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}, {10}, {11}, {12}, {13}, {14}, {15}, {16}, { (unsigned int) R_RELLONG, 0, 2, 32,false, 0, true, true, 0,"rellong", true, 0xffffffff}, {18}, {19}, {20}, {21}, {22}, {23}, {24}, { R_IPRMED, 0, 2, 24,true,0, true, true,0,"iprmed ", true, 0x00ffffff}, {26}, { R_OPTCALL, 0,2,24,true,0, true, true, optcall_callback, "optcall", true, 0x00ffffff}, }; #define BADMAG(x) I960BADMAG(x) #include "coff-code.h" bfd_target icoff_big_vec = { "coff-Intel-big", /* name */ bfd_target_coff_flavour_enum, false, /* data byte order is little */ true, /* header byte order is big */ (HAS_RELOC | EXEC_P | /* object flags */ HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT), (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ 0, /* valid reloc types */ '/', /* ar_pad_char */ 15, /* ar_max_namelen */ coff_close_and_cleanup, /* _close_and_cleanup */ coff_set_section_contents, /* bfd_set_section_contents */ coff_get_section_contents, /* bfd_get_section_contents */ coff_new_section_hook, /* new_section_hook */ _bfd_dummy_core_file_failing_command, /* _core_file_failing_command */ _bfd_dummy_core_file_failing_signal, /* _core_file_failing_signal */ _bfd_dummy_core_file_matches_executable_p, /* _core_file_matches_ex...p */ bfd_slurp_coff_armap, /* bfd_slurp_armap */ _bfd_slurp_extended_name_table, /* bfd_slurp_extended_name_table*/ #if 0 /* */ bfd_dont_truncate_arname, /* bfd_truncate_arname */ #else bfd_bsd_truncate_arname, #endif coff_get_symtab_upper_bound, /* get_symtab_upper_bound */ coff_get_symtab, /* canonicalize_symtab */ (void (*)())bfd_false, /* bfd_reclaim_symbol_table */ coff_get_reloc_upper_bound, /* get_reloc_upper_bound */ coff_canonicalize_reloc, /* bfd_canonicalize_reloc */ (void (*)())bfd_false, /* bfd_reclaim_reloc */ coff_get_symcount_upper_bound, /* bfd_get_symcount_upper_bound */ coff_get_first_symbol, /* bfd_get_first_symbol */ coff_get_next_symbol, /* bfd_get_next_symbol */ coff_classify_symbol, /* bfd_classify_symbol */ coff_symbol_hasclass, /* bfd_symbol_hasclass */ coff_symbol_name, /* bfd_symbol_name */ coff_symbol_value, /* bfd_symbol_value */ _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* data */ _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */ {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ bfd_generic_archive_p, _bfd_dummy_target}, {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ bfd_false}, coff_make_empty_symbol, coff_print_symbol, coff_get_lineno, coff_set_arch_mach, coff_write_armap, bfd_generic_openr_next_archived_file, coff_find_nearest_line, bfd_generic_stat_arch_elt /* bfd_stat_arch_elt */ }; bfd_target icoff_little_vec = { "coff-Intel-little", /* name */ bfd_target_coff_flavour_enum, false, /* data byte order is little */ false, /* header byte order is little */ (HAS_RELOC | EXEC_P | /* object flags */ HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT), (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ 0, /* valid reloc types */ '/', /* ar_pad_char */ 15, /* ar_max_namelen */ coff_close_and_cleanup, /* _close_and_cleanup */ coff_set_section_contents, /* bfd_set_section_contents */ coff_get_section_contents, /* bfd_get_section_contents */ coff_new_section_hook, /* new_section_hook */ _bfd_dummy_core_file_failing_command, /* _core_file_failing_command */ _bfd_dummy_core_file_failing_signal, /* _core_file_failing_signal */ _bfd_dummy_core_file_matches_executable_p, /* _core_file_matches_ex...p */ bfd_slurp_coff_armap, /* bfd_slurp_armap */ _bfd_slurp_extended_name_table, /* bfd_slurp_extended_name_table*/ #if 0 /* */ bfd_dont_truncate_arname, /* bfd_truncate_arname */ #else bfd_bsd_truncate_arname, #endif coff_get_symtab_upper_bound, /* get_symtab_upper_bound */ coff_get_symtab, /* canonicalize_symtab */ (void (*)())bfd_false, /* bfd_reclaim_symbol_table */ coff_get_reloc_upper_bound, /* get_reloc_upper_bound */ coff_canonicalize_reloc, /* bfd_canonicalize_reloc */ (void (*)())bfd_false, /* bfd_reclaim_reloc */ coff_get_symcount_upper_bound, /* bfd_get_symcount_upper_bound */ coff_get_first_symbol, /* bfd_get_first_symbol */ coff_get_next_symbol, /* bfd_get_next_symbol */ coff_classify_symbol, /* bfd_classify_symbol */ coff_symbol_hasclass, /* bfd_symbol_hasclass */ coff_symbol_name, /* bfd_symbol_name */ coff_symbol_value, /* bfd_symbol_value */ _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* data */ _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* hdrs */ {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ bfd_generic_archive_p, _bfd_dummy_target}, {bfd_false, coff_mkobject, /* bfd_set_format */ _bfd_generic_mkarchive, bfd_false}, coff_make_empty_symbol, coff_print_symbol, coff_get_lineno, coff_set_arch_mach, coff_write_armap, bfd_generic_openr_next_archived_file, coff_find_nearest_line, bfd_generic_stat_arch_elt /* bfd_stat_arch_elt */ };