From a139d99b3cd5d943f0a6f82998ed05688bcb1d5b Mon Sep 17 00:00:00 2001 From: Ken Raeburn Date: Thu, 5 May 1994 21:38:25 +0000 Subject: [PATCH] * config/obj-coff*.*: Merged coffbfd versions into coff versions, with a single "#ifdef BFD_ASSEMBLER" controlling most of it for now. Deleted obj-coffbfd.* files. * configure.in: Always use obj-coff.* for COFF targets. --- gas/ChangeLog | 11 + gas/config/obj-coffbfd.c | 2689 -------------------------------------- gas/config/obj-coffbfd.h | 509 -------- 3 files changed, 11 insertions(+), 3198 deletions(-) delete mode 100644 gas/config/obj-coffbfd.c delete mode 100644 gas/config/obj-coffbfd.h diff --git a/gas/ChangeLog b/gas/ChangeLog index aca8b08a233..380b2ff164a 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,16 @@ +Thu May 5 17:25:38 1994 Ken Raeburn (raeburn@cujo.cygnus.com) + + * config/obj-coff*.*: Merged coffbfd versions into coff versions, + with a single "#ifdef BFD_ASSEMBLER" controlling most of it for + now. Deleted obj-coffbfd.* files. + * configure.in: Always use obj-coff.* for COFF targets. + Wed May 4 13:34:11 1994 Ken Raeburn (raeburn@cujo.cygnus.com) + * config/te-dpx2.h (TARGET_FORMAT, REGISTER_PREFIX_OPTIONAL): + Define. + * configure.in (m68k-bull-sysv3*): Enable. + * config/coff_gnu.h: Deleted. Wed May 4 11:29:17 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com) diff --git a/gas/config/obj-coffbfd.c b/gas/config/obj-coffbfd.c deleted file mode 100644 index f62db376bc5..00000000000 --- a/gas/config/obj-coffbfd.c +++ /dev/null @@ -1,2689 +0,0 @@ -/* coff object file format with bfd - Copyright (C) 1989, 1990, 1991, 1993 Free Software Foundation, Inc. - -This file is part of GAS. - -GAS 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, or (at your option) -any later version. - -GAS 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 GAS; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ - -/* - - How does this releate to the rest of GAS ? - - Well, all the other files in gas are more or less a black box. It - takes care of opening files, parsing command lines, stripping blanks - etc etc. This module gets a chance to register what it wants to do by - saying that it is interested in various pseduo ops. The other big - change is write_object_file. This runs through all the data - structures that gas builds, and outputs the file in the format of our - choice. - - Hacked for BFDness by steve chamberlain - - This object module now supports everything but the i960 and i860. - - sac@cygnus.com -*/ - -#include "as.h" -#include "obstack.h" -#include "subsegs.h" -#include "frags.h" -/* This is needed because we include internal bfd things. */ -#include -#include "../bfd/libbfd.h" -#include "../bfd/libcoff.h" - -/* The NOP_OPCODE is for the alignment fill value. Fill with nop so - that we can stick sections together without causing trouble. */ -#ifndef NOP_OPCODE -#define NOP_OPCODE 0x00 -#endif - -#define MIN(a,b) ((a) < (b)? (a) : (b)) -/* This vector is used to turn an internal segment into a section # - suitable for insertion into a coff symbol table - */ - -const short seg_N_TYPE[] = -{ /* in: segT out: N_TYPE bits */ - C_ABS_SECTION, - 1, - 2, - 3, - 4, - 5, - 6, - 7, - 8, - 9, - 10, - C_UNDEF_SECTION, /* SEG_UNKNOWN */ - C_UNDEF_SECTION, /* SEG_GOOF */ - C_UNDEF_SECTION, /* SEG_EXPR */ - C_DEBUG_SECTION, /* SEG_DEBUG */ - C_NTV_SECTION, /* SEG_NTV */ - C_PTV_SECTION, /* SEG_PTV */ - C_REGISTER_SECTION, /* SEG_REGISTER */ -}; - -int function_lineoff = -1; /* Offset in line#s where the last function - started (the odd entry for line #0) */ - -static symbolS *last_line_symbol; - -/* Add 4 to the real value to get the index and compensate the - negatives. This vector is used by S_GET_SEGMENT to turn a coff - section number into a segment number -*/ -static symbolS *previous_file_symbol = NULL; -void c_symbol_merge (); -static int line_base; - -symbolS *c_section_symbol (); -bfd *abfd; - -static void fixup_segment PARAMS ((segment_info_type *segP, - segT this_segment_type)); - - -static void fixup_mdeps PARAMS ((fragS *, - object_headers *, - segT)); - - -static void fill_section PARAMS ((bfd * abfd, - object_headers *, - unsigned long *)); - - -static symbolS *tag_find_or_make PARAMS ((char *name)); -static symbolS *tag_find PARAMS ((char *name)); -static void tag_init PARAMS ((void)); -static void tag_insert PARAMS ((char *name, symbolS * symbolP)); -char *s_get_name PARAMS ((symbolS * s)); - -static int c_line_new PARAMS ((symbolS * symbol, long paddr, - unsigned short line_number, - fragS * frag)); - - -static void w_symbols PARAMS ((bfd * abfd, char *where, - symbolS * symbol_rootP)); - -static void adjust_stab_section PARAMS ((bfd *abfd, segT seg)); - -static struct hash_control *tag_hash; - -static symbolS *def_symbol_in_progress = NULL; - -static void obj_coff_def PARAMS ((int)); -static void obj_coff_dim PARAMS ((int)); -static void obj_coff_endef PARAMS ((int)); -static void obj_coff_line PARAMS ((int)); -static void obj_coff_ln PARAMS ((int)); -static void obj_coff_scl PARAMS ((int)); -static void obj_coff_size PARAMS ((int)); -static void obj_coff_tag PARAMS ((int)); -static void obj_coff_type PARAMS ((int)); -static void obj_coff_val PARAMS ((int)); -static void obj_coff_lcomm PARAMS ((int)); -static void obj_coff_text PARAMS ((int)); -static void obj_coff_data PARAMS ((int)); -static void obj_coff_bss PARAMS ((int)); -static void obj_coff_ident PARAMS ((int)); -void obj_coff_section PARAMS ((int)); - -const pseudo_typeS obj_pseudo_table[] = -{ - {"def", obj_coff_def, 0}, - {"dim", obj_coff_dim, 0}, - {"endef", obj_coff_endef, 0}, - {"line", obj_coff_line, 0}, - {"ln", obj_coff_ln, 0}, - {"appline", obj_coff_ln, 1}, - {"scl", obj_coff_scl, 0}, - {"size", obj_coff_size, 0}, - {"tag", obj_coff_tag, 0}, - {"type", obj_coff_type, 0}, - {"val", obj_coff_val, 0}, - {"section", obj_coff_section, 0}, - {"use", obj_coff_section, 0}, - {"sect", obj_coff_section, 0}, - {"text", obj_coff_text, 0}, - {"data", obj_coff_data, 0}, - {"bss", obj_coff_bss, 0}, - {"ident", obj_coff_ident, 0}, - {"ABORT", s_abort, 0}, - {"lcomm", obj_coff_lcomm, 0}, -#ifdef TC_M88K - /* The m88k uses sdef instead of def. */ - {"sdef", obj_coff_def, 0}, -#endif - {NULL} /* end sentinel */ -}; /* obj_pseudo_table */ - -/* stack stuff */ -typedef struct - { - unsigned long chunk_size; - unsigned long element_size; - unsigned long size; - char *data; - unsigned long pointer; - } -stack; - -static stack * -stack_init (chunk_size, element_size) - unsigned long chunk_size; - unsigned long element_size; -{ - stack *st; - - st = (stack *) malloc (sizeof (stack)); - if (!st) - return 0; - st->data = malloc (chunk_size); - if (!st->data) - { - free (st); - return 0; - } - st->pointer = 0; - st->size = chunk_size; - st->chunk_size = chunk_size; - st->element_size = element_size; - return st; -} - -static void -stack_delete (st) - stack *st; -{ - free (st->data); - free (st); -} - -static char * -stack_push (st, element) - stack *st; - char *element; -{ - if (st->pointer + st->element_size >= st->size) - { - st->size += st->chunk_size; - if ((st->data = xrealloc (st->data, st->size)) == (char *) 0) - return (char *) 0; - } - memcpy (st->data + st->pointer, element, st->element_size); - st->pointer += st->element_size; - return st->data + st->pointer; -} - -static char * -stack_pop (st) - stack *st; -{ - if (st->pointer < st->element_size) - { - st->pointer = 0; - return (char *) 0; - } - st->pointer -= st->element_size; - return st->data + st->pointer; -} - -/* - * Maintain a list of the tagnames of the structres. - */ - -static void -tag_init () -{ - tag_hash = hash_new (); -} - -static void -tag_insert (name, symbolP) - char *name; - symbolS *symbolP; -{ - const char *error_string; - - if ((error_string = hash_jam (tag_hash, name, (char *) symbolP))) - { - as_fatal ("Inserting \"%s\" into structure table failed: %s", - name, error_string); - } -} - -static symbolS * -tag_find_or_make (name) - char *name; -{ - symbolS *symbolP; - - if ((symbolP = tag_find (name)) == NULL) - { - symbolP = symbol_new (name, undefined_section, - 0, &zero_address_frag); - - tag_insert (S_GET_NAME (symbolP), symbolP); - } /* not found */ - - return symbolP; -} - -static symbolS * -tag_find (name) - char *name; -{ -#ifdef STRIP_UNDERSCORE - if (*name == '_') - name++; -#endif /* STRIP_UNDERSCORE */ - return (symbolS *) hash_find (tag_hash, name); -} - -/* Section stuff - - We allow more than just the standard 3 sections, infact, we allow - 10 sections, (though the usual three have to be there). - - This structure performs the mappings for us: - -*/ - -#define N_SEG 32 -typedef struct -{ - segT seg_t; - int i; -} seg_info_type; - -seg_info_type seg_info_off_by_4[N_SEG] = -{ - {SEG_PTV, }, - {SEG_NTV, }, - {SEG_DEBUG, }, - {SEG_ABSOLUTE, }, - {SEG_UNKNOWN, }, - {SEG_E0}, - {SEG_E1}, - {SEG_E2}, - {SEG_E3}, - {SEG_E4}, - {SEG_E5}, - {SEG_E6}, - {SEG_E7}, - {SEG_E8}, - {SEG_E9}, - {(segT)15}, - {(segT)16}, - {(segT)17}, - {(segT)18}, - {(segT)19}, - {(segT)20}, - {(segT)0}, - {(segT)0}, - {(segT)0}, - {SEG_REGISTER} -}; - - - -#define SEG_INFO_FROM_SECTION_NUMBER(x) (seg_info_off_by_4[(x)+4]) -#define SEG_INFO_FROM_SEG_NUMBER(x) (seg_info_off_by_4[(x)]) - - -static relax_addressT -relax_align (address, alignment) - relax_addressT address; - long alignment; -{ - relax_addressT mask; - relax_addressT new_address; - - mask = ~((~0) << alignment); - new_address = (address + mask) & (~mask); - return (new_address - address); -} /* relax_align() */ - - -segT -s_get_segment (x) - symbolS * x; -{ - return SEG_INFO_FROM_SECTION_NUMBER (x->sy_symbol.ost_entry.n_scnum).seg_t; -} - - - -/* calculate the size of the frag chain and fill in the section header - to contain all of it, also fill in the addr of the sections */ -static unsigned int -size_section (abfd, idx) - bfd * abfd; - unsigned int idx; -{ - - unsigned int size = 0; - fragS *frag = segment_info[idx].frchainP->frch_root; - while (frag) - { - size = frag->fr_address; - if (frag->fr_address != size) - { - printf ("Out of step\n"); - size = frag->fr_address; - } - - switch (frag->fr_type) - { -#ifdef TC_COFF_SIZEMACHDEP - case rs_machine_dependent: - size += TC_COFF_SIZEMACHDEP (frag); - break; -#endif - case rs_fill: - case rs_org: - size += frag->fr_fix; - size += frag->fr_offset * frag->fr_var; - break; - case rs_align: - size += frag->fr_fix; - size += relax_align (size, frag->fr_offset); - break; - default: - BAD_CASE (frag->fr_type); - break; - } - frag = frag->fr_next; - } - segment_info[idx].scnhdr.s_size = size; - return size; -} - - -static unsigned int -count_entries_in_chain (idx) - unsigned int idx; -{ - unsigned int nrelocs; - fixS *fixup_ptr; - - /* Count the relocations */ - fixup_ptr = segment_info[idx].fix_root; - nrelocs = 0; - while (fixup_ptr != (fixS *) NULL) - { - if (TC_COUNT_RELOC (fixup_ptr)) - { -#ifdef TC_A29K - if (fixup_ptr->fx_r_type == RELOC_CONSTH) - nrelocs += 2; - else - nrelocs++; -#else - nrelocs++; -#endif - } - - fixup_ptr = fixup_ptr->fx_next; - } - return nrelocs; -} - -/* output all the relocations for a section */ -void -do_relocs_for (abfd, h, file_cursor) - bfd * abfd; - object_headers * h; - unsigned long *file_cursor; -{ - unsigned int nrelocs; - unsigned int idx; - unsigned long reloc_start = *file_cursor; - - for (idx = SEG_E0; idx < SEG_E9; idx++) - { - if (segment_info[idx].scnhdr.s_name[0]) - { - struct external_reloc *ext_ptr; - struct external_reloc *external_reloc_vec; - unsigned int external_reloc_size; - unsigned int base = segment_info[idx].scnhdr.s_paddr; - fixS *fix_ptr = segment_info[idx].fix_root; - nrelocs = count_entries_in_chain (idx); - - if (nrelocs) - /* Bypass this stuff if no relocs. This also incidentally - avoids a SCO bug, where free(malloc(0)) tends to crash. */ - { - external_reloc_size = nrelocs * RELSZ; - external_reloc_vec = - (struct external_reloc *) malloc (external_reloc_size); - - ext_ptr = external_reloc_vec; - - /* Fill in the internal coff style reloc struct from the - internal fix list. */ - while (fix_ptr) - { - symbolS *symbol_ptr; - struct internal_reloc intr; - - /* Only output some of the relocations */ - if (TC_COUNT_RELOC (fix_ptr)) - { -#ifdef TC_RELOC_MANGLE - TC_RELOC_MANGLE (fix_ptr, &intr, base); - -#else - symbolS *dot; - symbol_ptr = fix_ptr->fx_addsy; - - intr.r_type = TC_COFF_FIX2RTYPE (fix_ptr); - intr.r_vaddr = - base + fix_ptr->fx_frag->fr_address + fix_ptr->fx_where; - -#ifdef TC_M88K - intr.r_offset = fix_ptr->fx_offset; -#else - intr.r_offset = 0; -#endif - - /* Turn the segment of the symbol into an offset. */ - if (symbol_ptr) - { - dot = segment_info[S_GET_SEGMENT (symbol_ptr)].dot; - if (dot) - { - intr.r_symndx = dot->sy_number; - } - else - { - intr.r_symndx = symbol_ptr->sy_number; - } - - } - else - { - intr.r_symndx = -1; - } -#endif - - (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); - ext_ptr++; - -#if defined(TC_A29K) - - /* The 29k has a special kludge for the high 16 bit - reloc. Two relocations are emited, R_IHIHALF, - and R_IHCONST. The second one doesn't contain a - symbol, but uses the value for offset. */ - - if (intr.r_type == R_IHIHALF) - { - /* now emit the second bit */ - intr.r_type = R_IHCONST; - intr.r_symndx = fix_ptr->fx_addnumber; - (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); - ext_ptr++; - } -#endif - } - - fix_ptr = fix_ptr->fx_next; - } - - /* Write out the reloc table */ - bfd_write ((PTR) external_reloc_vec, 1, external_reloc_size, - abfd); - free (external_reloc_vec); - - /* Fill in section header info. */ - segment_info[idx].scnhdr.s_relptr = *file_cursor; - *file_cursor += external_reloc_size; - segment_info[idx].scnhdr.s_nreloc = nrelocs; - } - else - { - /* No relocs */ - segment_info[idx].scnhdr.s_relptr = 0; - } - } - } - /* Set relocation_size field in file headers */ - H_SET_RELOCATION_SIZE (h, *file_cursor - reloc_start, 0); -} - - -/* run through a frag chain and write out the data to go with it, fill - in the scnhdrs with the info on the file postions -*/ -static void -fill_section (abfd, h, file_cursor) - bfd * abfd; - object_headers *h; - unsigned long *file_cursor; -{ - - unsigned int i; - unsigned int paddr = 0; - - for (i = SEG_E0; i < SEG_UNKNOWN; i++) - { - unsigned int offset = 0; - - struct internal_scnhdr *s = &(segment_info[i].scnhdr); - - if (s->s_name[0]) - { - fragS *frag = segment_info[i].frchainP->frch_root; - char *buffer; - - if (s->s_size == 0) - s->s_scnptr = 0; - else - { - buffer = xmalloc (s->s_size); - s->s_scnptr = *file_cursor; - } - know (s->s_paddr == paddr); - - if (strcmp (s->s_name, ".text") == 0) - s->s_flags |= STYP_TEXT; - else if (strcmp (s->s_name, ".data") == 0) - s->s_flags |= STYP_DATA; - else if (strcmp (s->s_name, ".bss") == 0) - { - s->s_scnptr = 0; - s->s_flags |= STYP_BSS; - - /* @@ Should make the i386 and a29k coff targets define - COFF_NOLOAD_PROBLEM, and have only one test here. */ -#ifndef TC_I386 -#ifndef TC_A29K -#ifndef COFF_NOLOAD_PROBLEM - /* Apparently the SVR3 linker (and exec syscall) and UDI - mondfe progrem are confused by noload sections. */ - s->s_flags |= STYP_NOLOAD; -#endif -#endif -#endif - } - else if (strcmp (s->s_name, ".lit") == 0) - s->s_flags = STYP_LIT | STYP_TEXT; - else if (strcmp (s->s_name, ".init") == 0) - s->s_flags |= STYP_TEXT; - else if (strcmp (s->s_name, ".fini") == 0) - s->s_flags |= STYP_TEXT; - else if (strncmp (s->s_name, ".comment", 8) == 0) - s->s_flags |= STYP_INFO; - - while (frag) - { - unsigned int fill_size; - switch (frag->fr_type) - { - case rs_machine_dependent: - if (frag->fr_fix) - { - memcpy (buffer + frag->fr_address, - frag->fr_literal, - (unsigned int) frag->fr_fix); - offset += frag->fr_fix; - } - - break; - case rs_fill: - case rs_align: - case rs_org: - if (frag->fr_fix) - { - memcpy (buffer + frag->fr_address, - frag->fr_literal, - (unsigned int) frag->fr_fix); - offset += frag->fr_fix; - } - - fill_size = frag->fr_var; - if (fill_size && frag->fr_offset > 0) - { - unsigned int count; - unsigned int off = frag->fr_fix; - for (count = frag->fr_offset; count; count--) - { - if (fill_size + frag->fr_address + off <= s->s_size) - { - memcpy (buffer + frag->fr_address + off, - frag->fr_literal + frag->fr_fix, - fill_size); - off += fill_size; - offset += fill_size; - } - } - } - break; - case rs_broken_word: - break; - default: - abort (); - } - frag = frag->fr_next; - } - - if (s->s_size != 0) - { - if (s->s_scnptr != 0) - { - bfd_write (buffer, s->s_size, 1, abfd); - *file_cursor += s->s_size; - } - free (buffer); - } - paddr += s->s_size; - } - } -} - -/* Coff file generation & utilities */ - -static void -coff_header_append (abfd, h) - bfd * abfd; - object_headers * h; -{ - unsigned int i; - char buffer[1000]; - char buffero[1000]; - - bfd_seek (abfd, 0, 0); - -#ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER - H_SET_MAGIC_NUMBER (h, COFF_MAGIC); - H_SET_VERSION_STAMP (h, 0); - H_SET_ENTRY_POINT (h, 0); - H_SET_TEXT_START (h, segment_info[SEG_E0].frchainP->frch_root->fr_address); - H_SET_DATA_START (h, segment_info[SEG_E1].frchainP->frch_root->fr_address); - H_SET_SIZEOF_OPTIONAL_HEADER (h, bfd_coff_swap_aouthdr_out(abfd, &h->aouthdr, - buffero)); -#else /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ - H_SET_SIZEOF_OPTIONAL_HEADER (h, 0); -#endif /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ - - i = bfd_coff_swap_filehdr_out (abfd, &h->filehdr, buffer); - - bfd_write (buffer, i, 1, abfd); - bfd_write (buffero, H_GET_SIZEOF_OPTIONAL_HEADER (h), 1, abfd); - - for (i = SEG_E0; i < SEG_E9; i++) - { - if (segment_info[i].scnhdr.s_name[0]) - { - unsigned int size = - bfd_coff_swap_scnhdr_out (abfd, - &(segment_info[i].scnhdr), - buffer); - bfd_write (buffer, size, 1, abfd); - } - } -} - - -char * -symbol_to_chars (abfd, where, symbolP) - bfd * abfd; - char *where; - symbolS * symbolP; -{ - unsigned int numaux = symbolP->sy_symbol.ost_entry.n_numaux; - unsigned int i; - valueT val; - - /* Turn any symbols with register attributes into abs symbols */ - if (S_GET_SEGMENT (symbolP) == reg_section) - { - S_SET_SEGMENT (symbolP, absolute_section); - } - /* At the same time, relocate all symbols to their output value */ - - val = (segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_paddr - + S_GET_VALUE (symbolP)); - - S_SET_VALUE (symbolP, val); - - symbolP->sy_symbol.ost_entry.n_value = val; - - where += bfd_coff_swap_sym_out (abfd, &symbolP->sy_symbol.ost_entry, - where); - - for (i = 0; i < numaux; i++) - { - where += bfd_coff_swap_aux_out (abfd, - &symbolP->sy_symbol.ost_auxent[i], - S_GET_DATA_TYPE (symbolP), - S_GET_STORAGE_CLASS (symbolP), - i, numaux, where); - } - return where; - -} - -void -obj_symbol_new_hook (symbolP) - symbolS *symbolP; -{ - char underscore = 0; /* Symbol has leading _ */ - - /* Effective symbol */ - /* Store the pointer in the offset. */ - S_SET_ZEROES (symbolP, 0L); - S_SET_DATA_TYPE (symbolP, T_NULL); - S_SET_STORAGE_CLASS (symbolP, 0); - S_SET_NUMBER_AUXILIARY (symbolP, 0); - /* Additional information */ - symbolP->sy_symbol.ost_flags = 0; - /* Auxiliary entries */ - memset ((char *) &symbolP->sy_symbol.ost_auxent[0], 0, AUXESZ); - - if (S_IS_STRING (symbolP)) - SF_SET_STRING (symbolP); - if (!underscore && S_IS_LOCAL (symbolP)) - SF_SET_LOCAL (symbolP); -} - -/* - * Handle .ln directives. - */ - -static void -obj_coff_ln (appline) - int appline; -{ - int l; - - if (! appline && def_symbol_in_progress != NULL) - { - as_warn (".ln pseudo-op inside .def/.endef: ignored."); - demand_empty_rest_of_line (); - return; - } /* wrong context */ - - c_line_new (0, - obstack_next_free (&frags) - frag_now->fr_literal, - l = get_absolute_expression (), - frag_now); -#ifndef NO_LISTING - { - extern int listing; - - if (listing) - { - if (! appline) - l += line_base - 1; - listing_source_line ((unsigned int) l); - } - - } -#endif - demand_empty_rest_of_line (); -} - -/* - * def() - * - * Handle .def directives. - * - * One might ask : why can't we symbol_new if the symbol does not - * already exist and fill it with debug information. Because of - * the C_EFCN special symbol. It would clobber the value of the - * function symbol before we have a chance to notice that it is - * a C_EFCN. And a second reason is that the code is more clear this - * way. (at least I think it is :-). - * - */ - -#define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') -#define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ - *input_line_pointer == '\t') \ - input_line_pointer++; - -static void -obj_coff_def (what) - int what; -{ - char name_end; /* Char after the end of name */ - char *symbol_name; /* Name of the debug symbol */ - char *symbol_name_copy; /* Temporary copy of the name */ - unsigned int symbol_name_length; - - if (def_symbol_in_progress != NULL) - { - as_warn (".def pseudo-op used inside of .def/.endef: ignored."); - demand_empty_rest_of_line (); - return; - } /* if not inside .def/.endef */ - - SKIP_WHITESPACES (); - - def_symbol_in_progress = (symbolS *) obstack_alloc (¬es, sizeof (*def_symbol_in_progress)); - memset (def_symbol_in_progress, 0, sizeof (*def_symbol_in_progress)); - - symbol_name = input_line_pointer; - name_end = get_symbol_end (); - symbol_name_length = strlen (symbol_name); - symbol_name_copy = xmalloc (symbol_name_length + 1); - strcpy (symbol_name_copy, symbol_name); - - /* Initialize the new symbol */ -#ifdef STRIP_UNDERSCORE - S_SET_NAME (def_symbol_in_progress, (*symbol_name_copy == '_' - ? symbol_name_copy + 1 - : symbol_name_copy)); -#else /* STRIP_UNDERSCORE */ - S_SET_NAME (def_symbol_in_progress, symbol_name_copy); -#endif /* STRIP_UNDERSCORE */ - /* free(symbol_name_copy); */ - def_symbol_in_progress->sy_name_offset = (unsigned long) ~0; - def_symbol_in_progress->sy_number = ~0; - def_symbol_in_progress->sy_frag = &zero_address_frag; - S_SET_VALUE (def_symbol_in_progress, 0); - - if (S_IS_STRING (def_symbol_in_progress)) - SF_SET_STRING (def_symbol_in_progress); - - *input_line_pointer = name_end; - - demand_empty_rest_of_line (); -} - -unsigned int dim_index; - - -static void -obj_coff_endef (ignore) - int ignore; -{ - symbolS *symbolP = 0; - /* DIM BUG FIX sac@cygnus.com */ - dim_index = 0; - if (def_symbol_in_progress == NULL) - { - as_warn (".endef pseudo-op used outside of .def/.endef: ignored."); - demand_empty_rest_of_line (); - return; - } /* if not inside .def/.endef */ - - /* Set the section number according to storage class. */ - switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) - { - case C_STRTAG: - case C_ENTAG: - case C_UNTAG: - SF_SET_TAG (def_symbol_in_progress); - /* intentional fallthrough */ - case C_FILE: - case C_TPDEF: - SF_SET_DEBUG (def_symbol_in_progress); - S_SET_SEGMENT (def_symbol_in_progress, SEG_DEBUG); - break; - - case C_EFCN: - SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */ - /* intentional fallthrough */ - case C_BLOCK: - SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing */ - /* intentional fallthrough */ - case C_FCN: - S_SET_SEGMENT (def_symbol_in_progress, SEG_E0); - - if (strcmp (S_GET_NAME (def_symbol_in_progress), ".bf") == 0) - { /* .bf */ - if (function_lineoff < 0) - { - fprintf (stderr, "`.bf' symbol without preceding function\n"); - } /* missing function symbol */ - SA_GET_SYM_LNNOPTR (last_line_symbol) = function_lineoff; - - SF_SET_PROCESS (last_line_symbol); - function_lineoff = -1; - } - /* Value is always set to . */ - def_symbol_in_progress->sy_frag = frag_now; - S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); - break; - -#ifdef C_AUTOARG - case C_AUTOARG: -#endif /* C_AUTOARG */ - case C_AUTO: - case C_REG: - case C_MOS: - case C_MOE: - case C_MOU: - case C_ARG: - case C_REGPARM: - case C_FIELD: - case C_EOS: - SF_SET_DEBUG (def_symbol_in_progress); - S_SET_SEGMENT (def_symbol_in_progress, absolute_section); - break; - - case C_EXT: - case C_STAT: - case C_LABEL: - /* Valid but set somewhere else (s_comm, s_lcomm, colon) */ - break; - - case C_USTATIC: - case C_EXTDEF: - case C_ULABEL: - as_warn ("unexpected storage class %d", S_GET_STORAGE_CLASS (def_symbol_in_progress)); - break; - } /* switch on storage class */ - - /* Now that we have built a debug symbol, try to find if we should - merge with an existing symbol or not. If a symbol is C_EFCN or - absolute_section or untagged SEG_DEBUG it never merges. We also - don't merge labels, which are in a different namespace, nor - symbols which have not yet been defined since they are typically - unique, nor do we merge tags with non-tags. */ - - /* Two cases for functions. Either debug followed by definition or - definition followed by debug. For definition first, we will - merge the debug symbol into the definition. For debug first, the - lineno entry MUST point to the definition function or else it - will point off into space when crawl_symbols() merges the debug - symbol into the real symbol. Therefor, let's presume the debug - symbol is a real function reference. */ - - /* FIXME-SOON If for some reason the definition label/symbol is - never seen, this will probably leave an undefined symbol at link - time. */ - - if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN - || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL - || (S_GET_SEGMENT (def_symbol_in_progress) == SEG_DEBUG - && !SF_GET_TAG (def_symbol_in_progress)) - || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section - || def_symbol_in_progress->sy_value.X_op != O_constant - || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP)) == NULL - || (SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP))) - { - symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, - &symbol_lastP); - } - else - { - /* This symbol already exists, merge the newly created symbol - into the old one. This is not mandatory. The linker can - handle duplicate symbols correctly. But I guess that it save - a *lot* of space if the assembly file defines a lot of - symbols. [loic] */ - - /* The debug entry (def_symbol_in_progress) is merged into the - previous definition. */ - - c_symbol_merge (def_symbol_in_progress, symbolP); - /* FIXME-SOON Should *def_symbol_in_progress be free'd? xoxorich. */ - def_symbol_in_progress = symbolP; - - if (SF_GET_FUNCTION (def_symbol_in_progress) - || SF_GET_TAG (def_symbol_in_progress)) - { - /* For functions, and tags, the symbol *must* be where the - debug symbol appears. Move the existing symbol to the - current place. */ - /* If it already is at the end of the symbol list, do nothing */ - if (def_symbol_in_progress != symbol_lastP) - { - symbol_remove (def_symbol_in_progress, &symbol_rootP, - &symbol_lastP); - symbol_append (def_symbol_in_progress, symbol_lastP, - &symbol_rootP, &symbol_lastP); - } /* if not already in place */ - } /* if function */ - } /* normal or mergable */ - - if (SF_GET_TAG (def_symbol_in_progress) - && symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP) == NULL) - { - tag_insert (S_GET_NAME (def_symbol_in_progress), def_symbol_in_progress); - } - - if (SF_GET_FUNCTION (def_symbol_in_progress)) - { - know (sizeof (def_symbol_in_progress) <= sizeof (long)); - function_lineoff - = c_line_new (def_symbol_in_progress, 0, 0, &zero_address_frag); - - SF_SET_PROCESS (def_symbol_in_progress); - - if (symbolP == NULL) - { - /* That is, if this is the first time we've seen the - function... */ - symbol_table_insert (def_symbol_in_progress); - } /* definition follows debug */ - } /* Create the line number entry pointing to the function being defined */ - - def_symbol_in_progress = NULL; - demand_empty_rest_of_line (); -} - -static void -obj_coff_dim (ignore) - int ignore; -{ - int dim_index; - - if (def_symbol_in_progress == NULL) - { - as_warn (".dim pseudo-op used outside of .def/.endef: ignored."); - demand_empty_rest_of_line (); - return; - } /* if not inside .def/.endef */ - - S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); - - for (dim_index = 0; dim_index < DIMNUM; dim_index++) - { - SKIP_WHITESPACES (); - SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, - get_absolute_expression ()); - - switch (*input_line_pointer) - { - case ',': - input_line_pointer++; - break; - - default: - as_warn ("badly formed .dim directive ignored"); - /* intentional fallthrough */ - case '\n': - case ';': - dim_index = DIMNUM; - break; - } - } - - demand_empty_rest_of_line (); -} - -static void -obj_coff_line (ignore) - int ignore; -{ - int this_base; - - if (def_symbol_in_progress == NULL) - { - obj_coff_ln (0); - return; - } - - this_base = get_absolute_expression (); - if (this_base > line_base) - { - line_base = this_base; - } - -#ifndef NO_LISTING - { - extern int listing; - if (listing && 0) - { - listing_source_line ((unsigned int) line_base); - } - } -#endif - S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); - SA_SET_SYM_LNNO (def_symbol_in_progress, this_base); - - demand_empty_rest_of_line (); -} - -static void -obj_coff_size (ignore) - int ignore; -{ - if (def_symbol_in_progress == NULL) - { - as_warn (".size pseudo-op used outside of .def/.endef ignored."); - demand_empty_rest_of_line (); - return; - } /* if not inside .def/.endef */ - - S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); - SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); - demand_empty_rest_of_line (); -} - -static void -obj_coff_scl (ignore) - int ignore; -{ - if (def_symbol_in_progress == NULL) - { - as_warn (".scl pseudo-op used outside of .def/.endef ignored."); - demand_empty_rest_of_line (); - return; - } /* if not inside .def/.endef */ - - S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); - demand_empty_rest_of_line (); -} - -static void -obj_coff_tag (ignore) - int ignore; -{ - char *symbol_name; - char name_end; - - if (def_symbol_in_progress == NULL) - { - as_warn (".tag pseudo-op used outside of .def/.endef ignored."); - demand_empty_rest_of_line (); - return; - } - - S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); - symbol_name = input_line_pointer; - name_end = get_symbol_end (); - - /* Assume that the symbol referred to by .tag is always defined. - This was a bad assumption. I've added find_or_make. xoxorich. */ - SA_SET_SYM_TAGNDX (def_symbol_in_progress, - (long) tag_find_or_make (symbol_name)); - if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) - { - as_warn ("tag not found for .tag %s", symbol_name); - } /* not defined */ - - SF_SET_TAGGED (def_symbol_in_progress); - *input_line_pointer = name_end; - - demand_empty_rest_of_line (); -} - -static void -obj_coff_type (ignore) - int ignore; -{ - if (def_symbol_in_progress == NULL) - { - as_warn (".type pseudo-op used outside of .def/.endef ignored."); - demand_empty_rest_of_line (); - return; - } /* if not inside .def/.endef */ - - S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); - - if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && - S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) - { - SF_SET_FUNCTION (def_symbol_in_progress); - } /* is a function */ - - demand_empty_rest_of_line (); -} - -static void -obj_coff_val (ignore) - int ignore; -{ - if (def_symbol_in_progress == NULL) - { - as_warn (".val pseudo-op used outside of .def/.endef ignored."); - demand_empty_rest_of_line (); - return; - } /* if not inside .def/.endef */ - - if (is_name_beginner (*input_line_pointer)) - { - char *symbol_name = input_line_pointer; - char name_end = get_symbol_end (); - - if (!strcmp (symbol_name, ".")) - { - def_symbol_in_progress->sy_frag = frag_now; - S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); - /* If the .val is != from the .def (e.g. statics) */ - } - else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name)) - { - def_symbol_in_progress->sy_value.X_op = O_symbol; - def_symbol_in_progress->sy_value.X_add_symbol = - symbol_find_or_make (symbol_name); - def_symbol_in_progress->sy_value.X_op_symbol = NULL; - def_symbol_in_progress->sy_value.X_add_number = 0; - - /* If the segment is undefined when the forward reference is - resolved, then copy the segment id from the forward - symbol. */ - SF_SET_GET_SEGMENT (def_symbol_in_progress); - - /* FIXME: gcc can generate address expressions - here in unusual cases (search for "obscure" - in sdbout.c). We just ignore the offset - here, thus generating incorrect debugging - information. We ignore the rest of the - line just below. */ - } - /* Otherwise, it is the name of a non debug symbol and - its value will be calculated later. */ - *input_line_pointer = name_end; - - /* FIXME: this is to avoid an error message in the - FIXME case mentioned just above. */ - while (! is_end_of_line[(unsigned char) *input_line_pointer]) - ++input_line_pointer; - } - else - { - S_SET_VALUE (def_symbol_in_progress, - (valueT) get_absolute_expression ()); - } /* if symbol based */ - - demand_empty_rest_of_line (); -} - -void -obj_read_begin_hook () -{ - /* These had better be the same. Usually 18 bytes. */ -#ifndef BFD_HEADERS - know (sizeof (SYMENT) == sizeof (AUXENT)); - know (SYMESZ == AUXESZ); -#endif - tag_init (); -} - -/* This function runs through the symbol table and puts all the - externals onto another chain */ - -/* The chain of externals */ -symbolS *symbol_externP = NULL; -symbolS *symbol_extern_lastP = NULL; - -stack *block_stack; -symbolS *last_functionP = NULL; -symbolS *last_tagP; - -static unsigned int -yank_symbols () -{ - symbolS *symbolP; - unsigned int symbol_number = 0; - unsigned int last_file_symno = 0; - - for (symbolP = symbol_rootP; - symbolP; - symbolP = symbolP ? symbol_next (symbolP) : symbol_rootP) - { - if (!SF_GET_DEBUG (symbolP)) - { - /* Debug symbols do not need all this rubbish */ - symbolS *real_symbolP; - - /* L* and C_EFCN symbols never merge. */ - if (!SF_GET_LOCAL (symbolP) - && S_GET_STORAGE_CLASS (symbolP) != C_LABEL - && symbolP->sy_value.X_op == O_constant - && (real_symbolP = symbol_find_base (S_GET_NAME (symbolP), DO_NOT_STRIP)) - && real_symbolP != symbolP) - { - /* FIXME-SOON: where do dups come from? - Maybe tag references before definitions? xoxorich. */ - /* Move the debug data from the debug symbol to the - real symbol. Do NOT do the oposite (i.e. move from - real symbol to debug symbol and remove real symbol from the - list.) Because some pointers refer to the real symbol - whereas no pointers refer to the debug symbol. */ - c_symbol_merge (symbolP, real_symbolP); - /* Replace the current symbol by the real one */ - /* The symbols will never be the last or the first - because : 1st symbol is .file and 3 last symbols are - .text, .data, .bss */ - symbol_remove (real_symbolP, &symbol_rootP, &symbol_lastP); - symbol_insert (real_symbolP, symbolP, &symbol_rootP, &symbol_lastP); - symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); - symbolP = real_symbolP; - } /* if not local but dup'd */ - - if (flagseen['R'] && (S_GET_SEGMENT (symbolP) == SEG_E1)) - { - S_SET_SEGMENT (symbolP, SEG_E0); - } /* push data into text */ - - resolve_symbol_value (symbolP); - - if (S_GET_STORAGE_CLASS (symbolP) == C_NULL) - { - if (!S_IS_DEFINED (symbolP) && !SF_GET_LOCAL (symbolP)) - { - S_SET_EXTERNAL (symbolP); - } - else if (S_GET_SEGMENT (symbolP) == SEG_E0) - { - S_SET_STORAGE_CLASS (symbolP, C_LABEL); - } - else - { - S_SET_STORAGE_CLASS (symbolP, C_STAT); - } - } - - /* Mainly to speed up if not -g */ - if (SF_GET_PROCESS (symbolP)) - { - /* Handle the nested blocks auxiliary info. */ - if (S_GET_STORAGE_CLASS (symbolP) == C_BLOCK) - { - if (!strcmp (S_GET_NAME (symbolP), ".bb")) - stack_push (block_stack, (char *) &symbolP); - else - { /* .eb */ - register symbolS *begin_symbolP; - begin_symbolP = *(symbolS **) stack_pop (block_stack); - if (begin_symbolP == (symbolS *) 0) - as_warn ("mismatched .eb"); - else - SA_SET_SYM_ENDNDX (begin_symbolP, symbol_number + 2); - } - } - /* If we are able to identify the type of a function, and we - are out of a function (last_functionP == 0) then, the - function symbol will be associated with an auxiliary - entry. */ - if (last_functionP == (symbolS *) 0 && - SF_GET_FUNCTION (symbolP)) - { - last_functionP = symbolP; - - if (S_GET_NUMBER_AUXILIARY (symbolP) < 1) - { - S_SET_NUMBER_AUXILIARY (symbolP, 1); - } /* make it at least 1 */ - - /* Clobber possible stale .dim information. */ -#if 0 - /* Iffed out by steve - this fries the lnnoptr info too */ - bzero (symbolP->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen, - sizeof (symbolP->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen)); -#endif - } - /* The C_FCN doesn't need any additional information. I - don't even know if this is needed for sdb. But the - standard assembler generates it, so... */ - if (S_GET_STORAGE_CLASS (symbolP) == C_EFCN) - { - if (last_functionP == (symbolS *) 0) - as_fatal ("C_EFCN symbol out of scope"); - SA_SET_SYM_FSIZE (last_functionP, - (long) (S_GET_VALUE (symbolP) - - S_GET_VALUE (last_functionP))); - SA_SET_SYM_ENDNDX (last_functionP, symbol_number); - last_functionP = (symbolS *) 0; - } - } - } - else if (SF_GET_TAG (symbolP)) - { - /* First descriptor of a structure must point to - the first slot after the structure description. */ - last_tagP = symbolP; - - } - else if (S_GET_STORAGE_CLASS (symbolP) == C_EOS) - { - /* +2 take in account the current symbol */ - SA_SET_SYM_ENDNDX (last_tagP, symbol_number + 2); - } - else if (S_GET_STORAGE_CLASS (symbolP) == C_FILE) - { - if (S_GET_VALUE (symbolP)) - { - S_SET_VALUE (symbolP, last_file_symno); - last_file_symno = symbol_number; - } /* no one points at the first .file symbol */ - } /* if debug or tag or eos or file */ - - /* We must put the external symbols apart. The loader - does not bomb if we do not. But the references in - the endndx field for a .bb symbol are not corrected - if an external symbol is removed between .bb and .be. - I.e in the following case : - [20] .bb endndx = 22 - [21] foo external - [22] .be - ld will move the symbol 21 to the end of the list but - endndx will still be 22 instead of 21. */ - - - if (SF_GET_LOCAL (symbolP)) - { - /* remove C_EFCN and LOCAL (L...) symbols */ - /* next pointer remains valid */ - symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); - - } - else if (!S_IS_DEFINED (symbolP) - && !S_IS_DEBUG (symbolP) - && !SF_GET_STATICS (symbolP) && - S_GET_STORAGE_CLASS (symbolP) == C_EXT) - { /* C_EXT && !SF_GET_FUNCTION(symbolP)) */ - /* if external, Remove from the list */ - symbolS *hold = symbol_previous (symbolP); - - symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); - symbol_clear_list_pointers (symbolP); - symbol_append (symbolP, symbol_extern_lastP, &symbol_externP, &symbol_extern_lastP); - symbolP = hold; - } - else - { - if (SF_GET_STRING (symbolP)) - { - symbolP->sy_name_offset = string_byte_count; - string_byte_count += strlen (S_GET_NAME (symbolP)) + 1; - } - else - { - symbolP->sy_name_offset = 0; - } /* fix "long" names */ - - symbolP->sy_number = symbol_number; - symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); - } /* if local symbol */ - } /* traverse the symbol list */ - return symbol_number; - -} - - -static unsigned int -glue_symbols () -{ - unsigned int symbol_number = 0; - symbolS *symbolP; - for (symbolP = symbol_externP; symbol_externP;) - { - symbolS *tmp = symbol_externP; - - /* append */ - symbol_remove (tmp, &symbol_externP, &symbol_extern_lastP); - symbol_append (tmp, symbol_lastP, &symbol_rootP, &symbol_lastP); - - /* and process */ - if (SF_GET_STRING (tmp)) - { - tmp->sy_name_offset = string_byte_count; - string_byte_count += strlen (S_GET_NAME (tmp)) + 1; - } - else - { - tmp->sy_name_offset = 0; - } /* fix "long" names */ - - tmp->sy_number = symbol_number; - symbol_number += 1 + S_GET_NUMBER_AUXILIARY (tmp); - } /* append the entire extern chain */ - return symbol_number; - -} - -static unsigned int -tie_tags () -{ - unsigned int symbol_number = 0; - - symbolS *symbolP; - for (symbolP = symbol_rootP; symbolP; symbolP = - symbol_next (symbolP)) - { - symbolP->sy_number = symbol_number; - - - - if (SF_GET_TAGGED (symbolP)) - { - SA_SET_SYM_TAGNDX - (symbolP, - ((symbolS *) SA_GET_SYM_TAGNDX (symbolP))->sy_number); - } - - symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); - } - return symbol_number; - -} - -static void -crawl_symbols (h, abfd) - object_headers *h; - bfd * abfd; -{ - unsigned int i; - - /* Initialize the stack used to keep track of the matching .bb .be */ - - block_stack = stack_init (512, sizeof (symbolS *)); - - /* The symbol list should be ordered according to the following sequence - * order : - * . .file symbol - * . debug entries for functions - * . fake symbols for the sections, including.text .data and .bss - * . defined symbols - * . undefined symbols - * But this is not mandatory. The only important point is to put the - * undefined symbols at the end of the list. - */ - - if (symbol_rootP == NULL - || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) - { - c_dot_file_symbol ("fake"); - } - /* Is there a .file symbol ? If not insert one at the beginning. */ - - /* - * Build up static symbols for the sections, they are filled in later - */ - - - for (i = SEG_E0; i < SEG_E9; i++) - { - if (segment_info[i].scnhdr.s_name[0]) - { - char name[9]; - - strncpy (name, segment_info[i].scnhdr.s_name, 8); - name[8] = '\0'; - segment_info[i].dot = c_section_symbol (name, i - SEG_E0 + 1); - } - } - - - /* Take all the externals out and put them into another chain */ - H_SET_SYMBOL_TABLE_SIZE (h, yank_symbols ()); - /* Take the externals and glue them onto the end.*/ - H_SET_SYMBOL_TABLE_SIZE (h, H_GET_SYMBOL_COUNT (h) + glue_symbols ()); - - H_SET_SYMBOL_TABLE_SIZE (h, tie_tags ()); - know (symbol_externP == NULL); - know (symbol_extern_lastP == NULL); -} - -/* - * Find strings by crawling along symbol table chain. - */ - -void -w_strings (where) - char *where; -{ - symbolS *symbolP; - - /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK */ - md_number_to_chars (where, (valueT) string_byte_count, 4); - where += 4; - for (symbolP = symbol_rootP; - symbolP; - symbolP = symbol_next (symbolP)) - { - unsigned int size; - - if (SF_GET_STRING (symbolP)) - { - size = strlen (S_GET_NAME (symbolP)) + 1; - - memcpy (where, S_GET_NAME (symbolP), size); - where += size; - - } - } -} - -static void -do_linenos_for (abfd, h, file_cursor) - bfd * abfd; - object_headers * h; - unsigned long *file_cursor; -{ - unsigned int idx; - unsigned long start = *file_cursor; - - for (idx = SEG_E0; idx < SEG_E9; idx++) - { - segment_info_type *s = segment_info + idx; - - - if (s->scnhdr.s_nlnno != 0) - { - struct lineno_list *line_ptr; - - struct external_lineno *buffer = - (struct external_lineno *) xmalloc (s->scnhdr.s_nlnno * LINESZ); - - struct external_lineno *dst = buffer; - - /* Run through the table we've built and turn it into its external - form, take this chance to remove duplicates */ - - for (line_ptr = s->lineno_list_head; - line_ptr != (struct lineno_list *) NULL; - line_ptr = line_ptr->next) - { - - if (line_ptr->line.l_lnno == 0) - { - /* Turn a pointer to a symbol into the symbols' index */ - line_ptr->line.l_addr.l_symndx = - ((symbolS *) line_ptr->line.l_addr.l_symndx)->sy_number; - } - else - { - line_ptr->line.l_addr.l_paddr += ((struct frag *) (line_ptr->frag))->fr_address; - } - - - (void) bfd_coff_swap_lineno_out (abfd, &(line_ptr->line), dst); - dst++; - - } - - s->scnhdr.s_lnnoptr = *file_cursor; - - bfd_write (buffer, 1, s->scnhdr.s_nlnno * LINESZ, abfd); - free (buffer); - - *file_cursor += s->scnhdr.s_nlnno * LINESZ; - } - } - H_SET_LINENO_SIZE (h, *file_cursor - start); -} - - -/* Now we run through the list of frag chains in a segment and - make all the subsegment frags appear at the end of the - list, as if the seg 0 was extra long */ - -static void -remove_subsegs () -{ - unsigned int i; - - for (i = SEG_E0; i < SEG_UNKNOWN; i++) - { - frchainS *head = segment_info[i].frchainP; - fragS dummy; - fragS *prev_frag = &dummy; - - while (head && head->frch_seg == i) - { - prev_frag->fr_next = head->frch_root; - prev_frag = head->frch_last; - head = head->frch_next; - } - prev_frag->fr_next = 0; - } -} - -unsigned long machine; -int coff_flags; -extern void -write_object_file () -{ - int i; - char *name; - struct frchain *frchain_ptr; - - object_headers headers; - unsigned long file_cursor; - bfd *abfd; - unsigned int addr; - abfd = bfd_openw (out_file_name, TARGET_FORMAT); - - - if (abfd == 0) - { - as_perror ("FATAL: Can't create %s", out_file_name); - exit (42); - } - bfd_set_format (abfd, bfd_object); - bfd_set_arch_mach (abfd, BFD_ARCH, machine); - - string_byte_count = 4; - - for (frchain_ptr = frchain_root; - frchain_ptr != (struct frchain *) NULL; - frchain_ptr = frchain_ptr->frch_next) - { - /* Run through all the sub-segments and align them up. Also close any - open frags. We tack a .fill onto the end of the frag chain so - that any .align's size can be worked by looking at the next - frag */ - - subseg_set (frchain_ptr->frch_seg, frchain_ptr->frch_subseg); -#ifndef SUB_SEGMENT_ALIGN -#define SUB_SEGMENT_ALIGN(SEG) 1 -#endif - frag_align (SUB_SEGMENT_ALIGN (now_seg), NOP_OPCODE); - frag_wane (frag_now); - frag_now->fr_fix = 0; - know (frag_now->fr_next == NULL); - } - - - remove_subsegs (); - - - for (i = SEG_E0; i < SEG_UNKNOWN; i++) - { - relax_segment (segment_info[i].frchainP->frch_root, i); - } - - H_SET_NUMBER_OF_SECTIONS (&headers, 0); - - /* Find out how big the sections are, and set the addresses. */ - addr = 0; - for (i = SEG_E0; i < SEG_UNKNOWN; i++) - { - long size; - - segment_info[i].scnhdr.s_paddr = addr; - segment_info[i].scnhdr.s_vaddr = addr; - - if (segment_info[i].scnhdr.s_name[0]) - { - H_SET_NUMBER_OF_SECTIONS (&headers, - H_GET_NUMBER_OF_SECTIONS (&headers) + 1); - } - - size = size_section (abfd, (unsigned int) i); - addr += size; - - if (i == SEG_E0) - H_SET_TEXT_SIZE (&headers, size); - else if (i == SEG_E1) - H_SET_DATA_SIZE (&headers, size); - else if (i == SEG_E2) - H_SET_BSS_SIZE (&headers, size); - } - - /* Turn the gas native symbol table shape into a coff symbol table */ - crawl_symbols (&headers, abfd); - - if (string_byte_count == 4) - string_byte_count = 0; - - H_SET_STRING_SIZE (&headers, string_byte_count); - -#if !defined(TC_H8300) && !defined(TC_Z8K) - for (i = SEG_E0; i < SEG_UNKNOWN; i++) - { - fixup_mdeps (segment_info[i].frchainP->frch_root, &headers, i); - fixup_segment (&segment_info[i], i); - } -#endif - - /* Look for ".stab" segments and fill in their initial symbols - correctly. */ - for (i = SEG_E0; i < SEG_UNKNOWN; i++) - { - name = segment_info[i].scnhdr.s_name; - - if (name != NULL - && strncmp (".stab", name, 5) == 0 - && strncmp (".stabstr", name, 8) != 0) - adjust_stab_section (abfd, i); - } - - file_cursor = H_GET_TEXT_FILE_OFFSET (&headers); - - bfd_seek (abfd, (file_ptr) file_cursor, 0); - - /* Plant the data */ - - fill_section (abfd, &headers, &file_cursor); - - do_relocs_for (abfd, &headers, &file_cursor); - - do_linenos_for (abfd, &headers, &file_cursor); - - H_SET_FILE_MAGIC_NUMBER (&headers, COFF_MAGIC); -#ifndef OBJ_COFF_OMIT_TIMESTAMP - H_SET_TIME_STAMP (&headers, (long)time((long*)0)); -#else - H_SET_TIME_STAMP (&headers, 0); -#endif - -#ifdef KEEP_RELOC_INFO - H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) | - COFF_FLAGS | coff_flags)); -#else - H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) | - (H_GET_RELOCATION_SIZE(&headers) ? 0 : F_RELFLG) | - COFF_FLAGS | coff_flags)); -#endif - - { - unsigned int symtable_size = H_GET_SYMBOL_TABLE_SIZE (&headers); - char *buffer1 = xmalloc (symtable_size + string_byte_count + 1); - - H_SET_SYMBOL_TABLE_POINTER (&headers, bfd_tell (abfd)); - w_symbols (abfd, buffer1, symbol_rootP); - if (string_byte_count > 0) - w_strings (buffer1 + symtable_size); - bfd_write (buffer1, 1, symtable_size + string_byte_count, abfd); - free (buffer1); - } - - coff_header_append (abfd, &headers); -#if 0 - /* Recent changes to write need this, but where it should - go is up to Ken.. */ - if (bfd_close_all_done (abfd) == false) - as_fatal ("Can't close %s: %s", out_file_name, - bfd_errmsg (bfd_get_error ())); -#else - { - extern bfd *stdoutput; - stdoutput = abfd; - } -#endif - -} - -/* Add a new segment. This is called from subseg_new via the - obj_new_segment macro. */ - -segT -obj_coff_add_segment (name) - const char *name; -{ - unsigned int len; - unsigned int i; - - /* Find out if we've already got a section of this name. */ - len = strlen (name); - if (len < sizeof (segment_info[i].scnhdr.s_name)) - ++len; - else - len = sizeof (segment_info[i].scnhdr.s_name); - for (i = SEG_E0; i < SEG_E9 && segment_info[i].scnhdr.s_name[0]; i++) - if (strncmp (segment_info[i].scnhdr.s_name, name, len) == 0 - && (len == sizeof (segment_info[i].scnhdr.s_name) - || segment_info[i].scnhdr.s_name[len] == '\0')) - return (segT) i; - - if (i == SEG_E9) - { - as_bad ("Too many new sections; can't add \"%s\"", name); - return now_seg; - } - - /* Add a new section. */ - strncpy (segment_info[i].scnhdr.s_name, name, - sizeof (segment_info[i].scnhdr.s_name)); - segment_info[i].scnhdr.s_flags = STYP_REG; - - return (segT) i; -} - -/* - * implement the .section pseudo op: - * .section name {, "flags"} - * ^ ^ - * | +--- optional flags: 'b' for bss - * | 'i' for info - * +-- section name 'l' for lib - * 'n' for noload - * 'o' for over - * 'w' for data - * 'd' (apparently m88k for data) - * 'x' for text - * But if the argument is not a quoted string, treat it as a - * subsegment number. - */ - -void -obj_coff_section (ignore) - int ignore; -{ - /* Strip out the section name */ - char *section_name; - char *section_name_end; - char c; - int argp; - unsigned int len; - unsigned int exp; - long flags; - - section_name = input_line_pointer; - c = get_symbol_end (); - section_name_end = input_line_pointer; - - len = section_name_end - section_name; - input_line_pointer++; - SKIP_WHITESPACE (); - - argp = 0; - if (c == ',') - argp = 1; - else if (*input_line_pointer == ',') - { - argp = 1; - ++input_line_pointer; - SKIP_WHITESPACE (); - } - - exp = 0; - flags = 0; - if (argp) - { - if (*input_line_pointer != '"') - exp = get_absolute_expression (); - else - { - ++input_line_pointer; - while (*input_line_pointer != '"' - && ! is_end_of_line[(unsigned char) *input_line_pointer]) - { - switch (*input_line_pointer) - { - case 'b': flags |= STYP_BSS; break; - case 'i': flags |= STYP_INFO; break; - case 'l': flags |= STYP_LIB; break; - case 'n': flags |= STYP_NOLOAD; break; - case 'o': flags |= STYP_OVER; break; - case 'd': - case 'w': flags |= STYP_DATA; break; - case 'x': flags |= STYP_TEXT; break; - default: - as_warn("unknown section attribute '%c'", - *input_line_pointer); - break; - } - ++input_line_pointer; - } - if (*input_line_pointer == '"') - ++input_line_pointer; - } - } - - subseg_new (section_name, (subsegT) exp); - - segment_info[now_seg].scnhdr.s_flags |= flags; - - *section_name_end = c; -} - - -static void -obj_coff_text (ignore) - int ignore; -{ - subseg_new (".text", get_absolute_expression ()); -} - - -static void -obj_coff_data (ignore) - int ignore; -{ - if (flagseen['R']) - subseg_new (".text", get_absolute_expression () + 1000); - else - subseg_new (".data", get_absolute_expression ()); -} - -static void -obj_coff_bss (ignore) - int ignore; -{ - if (*input_line_pointer == '\n') /* .bss */ - subseg_new(".bss", get_absolute_expression()); - else /* .bss id,expr */ - obj_coff_lcomm(0); -} - -static void -obj_coff_ident (ignore) - int ignore; -{ - segT current_seg = now_seg; /* save current seg */ - subsegT current_subseg = now_subseg; - subseg_new (".comment", 0); /* .comment seg */ - stringer (1); /* read string */ - subseg_set (current_seg, current_subseg); /* restore current seg */ -} - -void -c_symbol_merge (debug, normal) - symbolS *debug; - symbolS *normal; -{ - S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); - S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); - - if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) - { - S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); - } /* take the most we have */ - - if (S_GET_NUMBER_AUXILIARY (debug) > 0) - { - memcpy ((char *) &normal->sy_symbol.ost_auxent[0], - (char *) &debug->sy_symbol.ost_auxent[0], - (unsigned int) (S_GET_NUMBER_AUXILIARY (debug) * AUXESZ)); - } /* Move all the auxiliary information */ - - /* Move the debug flags. */ - SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); -} /* c_symbol_merge() */ - -static int -c_line_new (symbol, paddr, line_number, frag) - symbolS * symbol; - long paddr; - unsigned short line_number; - fragS * frag; -{ - struct lineno_list *new_line = - (struct lineno_list *) xmalloc (sizeof (struct lineno_list)); - - segment_info_type *s = segment_info + now_seg; - new_line->line.l_lnno = line_number; - - if (line_number == 0) - { - last_line_symbol = symbol; - new_line->line.l_addr.l_symndx = (long) symbol; - } - else - { - new_line->line.l_addr.l_paddr = paddr; - } - - new_line->frag = (char *) frag; - new_line->next = (struct lineno_list *) NULL; - - - if (s->lineno_list_head == (struct lineno_list *) NULL) - { - s->lineno_list_head = new_line; - } - else - { - s->lineno_list_tail->next = new_line; - } - s->lineno_list_tail = new_line; - return LINESZ * s->scnhdr.s_nlnno++; -} - -void -c_dot_file_symbol (filename) - char *filename; -{ - symbolS *symbolP; - - symbolP = symbol_new (".file", - SEG_DEBUG, - 0, - &zero_address_frag); - - S_SET_STORAGE_CLASS (symbolP, C_FILE); - S_SET_NUMBER_AUXILIARY (symbolP, 1); - SA_SET_FILE_FNAME (symbolP, filename); -#ifndef NO_LISTING - { - extern int listing; - if (listing) - { - listing_source_file (filename); - } - - } - -#endif - SF_SET_DEBUG (symbolP); - S_SET_VALUE (symbolP, (valueT) previous_file_symbol); - - previous_file_symbol = symbolP; - - /* Make sure that the symbol is first on the symbol chain */ - if (symbol_rootP != symbolP) - { - if (symbolP == symbol_lastP) - { - symbol_lastP = symbol_lastP->sy_previous; - } /* if it was the last thing on the list */ - - symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); - symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); - symbol_rootP = symbolP; - } /* if not first on the list */ - -} /* c_dot_file_symbol() */ - -/* - * Build a 'section static' symbol. - */ - -symbolS * -c_section_symbol (name, idx) - char *name; - int idx; -{ - symbolS *symbolP; - - symbolP = symbol_new (name, idx, - 0, - &zero_address_frag); - - S_SET_STORAGE_CLASS (symbolP, C_STAT); - S_SET_NUMBER_AUXILIARY (symbolP, 1); - - SF_SET_STATICS (symbolP); - - return symbolP; -} /* c_section_symbol() */ - -static void -w_symbols (abfd, where, symbol_rootP) - bfd * abfd; - char *where; - symbolS * symbol_rootP; -{ - symbolS *symbolP; - unsigned int i; - - /* First fill in those values we have only just worked out */ - for (i = SEG_E0; i < SEG_E9; i++) - { - symbolP = segment_info[i].dot; - if (symbolP) - { - - SA_SET_SCN_SCNLEN (symbolP, segment_info[i].scnhdr.s_size); - SA_SET_SCN_NRELOC (symbolP, segment_info[i].scnhdr.s_nreloc); - SA_SET_SCN_NLINNO (symbolP, segment_info[i].scnhdr.s_nlnno); - - } - } - - /* - * Emit all symbols left in the symbol chain. - */ - for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) - { - /* Used to save the offset of the name. It is used to point - to the string in memory but must be a file offset. */ - register char *temp; - - tc_coff_symbol_emit_hook (symbolP); - - temp = S_GET_NAME (symbolP); - if (SF_GET_STRING (symbolP)) - { - S_SET_OFFSET (symbolP, symbolP->sy_name_offset); - S_SET_ZEROES (symbolP, 0); - } - else - { - memset (symbolP->sy_symbol.ost_entry.n_name, 0, SYMNMLEN); - strncpy (symbolP->sy_symbol.ost_entry.n_name, temp, SYMNMLEN); - } - where = symbol_to_chars (abfd, where, symbolP); - S_SET_NAME (symbolP, temp); - } - -} /* w_symbols() */ - -static void -obj_coff_lcomm (ignore) - int ignore; -{ - s_lcomm(0); - return; -#if 0 - char *name; - char c; - int temp; - char *p; - - symbolS *symbolP; - - name = input_line_pointer; - - c = get_symbol_end (); - p = input_line_pointer; - *p = c; - SKIP_WHITESPACE (); - if (*input_line_pointer != ',') - { - as_bad ("Expected comma after name"); - ignore_rest_of_line (); - return; - } - if (*input_line_pointer == '\n') - { - as_bad ("Missing size expression"); - return; - } - input_line_pointer++; - if ((temp = get_absolute_expression ()) < 0) - { - as_warn ("lcomm length (%d.) <0! Ignored.", temp); - ignore_rest_of_line (); - return; - } - *p = 0; - - symbolP = symbol_find_or_make(name); - - if (S_GET_SEGMENT(symbolP) == SEG_UNKNOWN && - S_GET_VALUE(symbolP) == 0) - { - if (! need_pass_2) - { - char *p; - segT current_seg = now_seg; /* save current seg */ - subsegT current_subseg = now_subseg; - - subseg_set (SEG_E2, 1); - symbolP->sy_frag = frag_now; - p = frag_var(rs_org, 1, 1, (relax_substateT)0, symbolP, - temp, (char *)0); - *p = 0; - subseg_set (current_seg, current_subseg); /* restore current seg */ - S_SET_SEGMENT(symbolP, SEG_E2); - S_SET_STORAGE_CLASS(symbolP, C_STAT); - } - } - else - as_bad("Symbol %s already defined", name); - - demand_empty_rest_of_line(); -#endif -} - -static void -fixup_mdeps (frags, h, this_segment) - fragS * frags; - object_headers * h; - segT this_segment; -{ - subseg_change (this_segment, 0); - while (frags) - { - switch (frags->fr_type) - { - case rs_align: - case rs_org: - frags->fr_type = rs_fill; - frags->fr_offset = - (frags->fr_next->fr_address - frags->fr_address - frags->fr_fix); - break; - case rs_machine_dependent: - md_convert_frag (h, frags); - frag_wane (frags); - break; - default: - ; - } - frags = frags->fr_next; - } -} - -#if 1 -static void -fixup_segment (segP, this_segment_type) - segment_info_type * segP; - segT this_segment_type; -{ - register fixS * fixP; - register symbolS *add_symbolP; - register symbolS *sub_symbolP; - register long add_number; - register int size; - register char *place; - register long where; - register char pcrel; - register fragS *fragP; - register segT add_symbol_segment = absolute_section; - - - for (fixP = segP->fix_root; fixP; fixP = fixP->fx_next) - { - fragP = fixP->fx_frag; - know (fragP); - where = fixP->fx_where; - place = fragP->fr_literal + where; - size = fixP->fx_size; - add_symbolP = fixP->fx_addsy; -#ifdef TC_I960 - if (fixP->fx_tcbit && TC_S_IS_CALLNAME (add_symbolP)) - { - /* Relocation should be done via the associated 'bal' entry - point symbol. */ - - if (!TC_S_IS_BALNAME (tc_get_bal_of_call (add_symbolP))) - { - as_bad ("No 'bal' entry point for leafproc %s", - S_GET_NAME (add_symbolP)); - continue; - } - fixP->fx_addsy = add_symbolP = tc_get_bal_of_call (add_symbolP); - } -#endif - sub_symbolP = fixP->fx_subsy; - add_number = fixP->fx_offset; - pcrel = fixP->fx_pcrel; - - if (add_symbolP) - { - add_symbol_segment = S_GET_SEGMENT (add_symbolP); - } /* if there is an addend */ - - if (sub_symbolP) - { - if (!add_symbolP) - { - /* Its just -sym */ - if (S_GET_SEGMENT (sub_symbolP) != absolute_section) - { - as_bad ("Negative of non-absolute symbol %s", S_GET_NAME (sub_symbolP)); - } /* not absolute */ - - add_number -= S_GET_VALUE (sub_symbolP); - fixP->fx_subsy = 0; - - /* if sub_symbol is in the same segment that add_symbol - and add_symbol is either in DATA, TEXT, BSS or ABSOLUTE */ - } - else if ((S_GET_SEGMENT (sub_symbolP) == add_symbol_segment) - && (SEG_NORMAL (add_symbol_segment) - || (add_symbol_segment == absolute_section))) - { - /* Difference of 2 symbols from same segment. Can't - make difference of 2 undefineds: 'value' means - something different for N_UNDF. */ -#ifdef TC_I960 - /* Makes no sense to use the difference of 2 arbitrary symbols - as the target of a call instruction. */ - if (fixP->fx_tcbit) - { - as_bad ("callj to difference of 2 symbols"); - } -#endif /* TC_I960 */ - add_number += S_GET_VALUE (add_symbolP) - - S_GET_VALUE (sub_symbolP); - - add_symbolP = NULL; - fixP->fx_addsy = NULL; - fixP->fx_done = 1; - } - else - { - /* Different segments in subtraction. */ - know (!(S_IS_EXTERNAL (sub_symbolP) && (S_GET_SEGMENT (sub_symbolP) == absolute_section))); - - if ((S_GET_SEGMENT (sub_symbolP) == absolute_section)) - { - add_number -= S_GET_VALUE (sub_symbolP); - } -#ifdef DIFF_EXPR_OK - else if (!pcrel - && S_GET_SEGMENT (sub_symbolP) == this_segment_type) - { - /* Make it pc-relative. */ - add_number += (md_pcrel_from (fixP) - - S_GET_VALUE (sub_symbolP)); - pcrel = 1; - fixP->fx_pcrel = 1; - sub_symbolP = 0; - fixP->fx_subsy = 0; - } -#endif - else - { - as_bad ("Can't emit reloc {- %s-seg symbol \"%s\"} @ file address %ld.", - segment_name (S_GET_SEGMENT (sub_symbolP)), - S_GET_NAME (sub_symbolP), - (long) (fragP->fr_address + where)); - } /* if absolute */ - } - } /* if sub_symbolP */ - - if (add_symbolP) - { - if (add_symbol_segment == this_segment_type && pcrel) - { - /* - * This fixup was made when the symbol's segment was - * SEG_UNKNOWN, but it is now in the local segment. - * So we know how to do the address without relocation. - */ -#ifdef TC_I960 - /* reloc_callj() may replace a 'call' with a 'calls' or a 'bal', - * in which cases it modifies *fixP as appropriate. In the case - * of a 'calls', no further work is required, and *fixP has been - * set up to make the rest of the code below a no-op. - */ - reloc_callj (fixP); -#endif /* TC_I960 */ - - add_number += S_GET_VALUE (add_symbolP); - add_number -= md_pcrel_from (fixP); -#if defined (TC_I386) || defined (TE_LYNX) - /* On the 386 we must adjust by the segment - vaddr as well. Ian Taylor. */ - add_number -= segP->scnhdr.s_vaddr; -#endif - pcrel = 0; /* Lie. Don't want further pcrel processing. */ - fixP->fx_addsy = NULL; - fixP->fx_done = 1; - } - else - { - switch (add_symbol_segment) - { - case absolute_section: -#ifdef TC_I960 - reloc_callj (fixP); /* See comment about reloc_callj() above*/ -#endif /* TC_I960 */ - add_number += S_GET_VALUE (add_symbolP); - fixP->fx_addsy = NULL; - fixP->fx_done = 1; - add_symbolP = NULL; - break; - default: - -#ifdef TC_A29K - /* This really should be handled in the linker, but - backward compatibility forbids. */ - add_number += S_GET_VALUE (add_symbolP); -#else - add_number += S_GET_VALUE (add_symbolP) + - segment_info[S_GET_SEGMENT (add_symbolP)].scnhdr.s_paddr; -#endif - break; - - case SEG_UNKNOWN: -#ifdef TC_I960 - if ((int) fixP->fx_bit_fixP == 13) - { - /* This is a COBR instruction. They have only a - * 13-bit displacement and are only to be used - * for local branches: flag as error, don't generate - * relocation. - */ - as_bad ("can't use COBR format with external label"); - fixP->fx_addsy = NULL; - fixP->fx_done = 1; - continue; - } /* COBR */ -#endif /* TC_I960 */ -#if defined (TC_I386) || defined (TE_LYNX) - /* 386 COFF uses a peculiar format in - which the value of a common symbol is - stored in the .text segment (I've - checked this on SVR3.2 and SCO 3.2.2) - Ian Taylor . */ - if (S_IS_COMMON (add_symbolP)) - add_number += S_GET_VALUE (add_symbolP); -#endif - break; - - - } /* switch on symbol seg */ - } /* if not in local seg */ - } /* if there was a + symbol */ - - if (pcrel) - { -#ifndef TC_M88K - /* This adjustment is not correct on the m88k, for which the - linker does all the computation. */ - add_number -= md_pcrel_from (fixP); -#endif - if (add_symbolP == 0) - { - fixP->fx_addsy = &abs_symbol; - } /* if there's an add_symbol */ -#if defined (TC_I386) || defined (TE_LYNX) - /* On the 386 we must adjust by the segment vaddr - as well. Ian Taylor. */ - add_number -= segP->scnhdr.s_vaddr; -#endif - } /* if pcrel */ - - if (!fixP->fx_bit_fixP) - { -#ifndef TC_M88K - /* The m88k uses the offset field of the reloc to get around - this problem. */ - if ((size == 1 && - (add_number & ~0xFF) && ((add_number & ~0xFF) != (-1 & ~0xFF))) || - (size == 2 && - (add_number & ~0xFFFF) && ((add_number & ~0xFFFF) != (-1 & ~0xFFFF)))) - { - as_bad ("Value of %ld too large for field of %d bytes at 0x%lx", - (long) add_number, size, - (unsigned long) (fragP->fr_address + where)); - } /* generic error checking */ -#endif -#ifdef WARN_SIGNED_OVERFLOW_WORD - /* Warn if a .word value is too large when treated as - a signed number. We already know it is not too - negative. This is to catch over-large switches - generated by gcc on the 68k. */ - if (!flagseen['J'] - && size == 2 - && add_number > 0x7fff) - as_bad ("Signed .word overflow; switch may be too large; %ld at 0x%lx", - (long) add_number, - (unsigned long) (fragP->fr_address + where)); -#endif - } /* not a bit fix */ - /* once this fix has been applied, we don't have to output anything - nothing more need be done -*/ - md_apply_fix (fixP, add_number); - } /* For each fixS in this segment. */ -} /* fixup_segment() */ - -#endif - -/* The first entry in a .stab section is special. */ - -void -obj_coff_init_stab_section (seg) - segT seg; -{ - char *file; - char *p; - char *stabstr_name; - unsigned int stroff; - - /* Make space for this first symbol. */ - p = frag_more (12); - /* Zero it out. */ - memset (p, 0, 12); - as_where (&file, (unsigned int *) NULL); - stabstr_name = (char *) alloca (strlen (segment_info[seg].scnhdr.s_name) + 4); - strcpy (stabstr_name, segment_info[seg].scnhdr.s_name); - strcat (stabstr_name, "str"); - stroff = get_stab_string_offset (file, stabstr_name); - know (stroff == 1); - md_number_to_chars (p, stroff, 4); -} - -/* Fill in the counts in the first entry in a .stab section. */ - -static void -adjust_stab_section(abfd, seg) - bfd *abfd; - segT seg; -{ - segT stabstrseg = SEG_UNKNOWN; - char *secname, *name, *name2; - char *p = NULL; - int i, strsz = 0, nsyms; - fragS *frag = segment_info[seg].frchainP->frch_root; - - /* Look for the associated string table section. */ - - secname = segment_info[seg].scnhdr.s_name; - name = (char *) alloca (strlen (secname) + 4); - strcpy (name, secname); - strcat (name, "str"); - - for (i = SEG_E0; i < SEG_UNKNOWN; i++) - { - name2 = segment_info[i].scnhdr.s_name; - if (name2 != NULL && strncmp(name2, name, 8) == 0) - { - stabstrseg = i; - break; - } - } - - /* If we found the section, get its size. */ - if (stabstrseg != SEG_UNKNOWN) - strsz = size_section (abfd, stabstrseg); - - nsyms = size_section (abfd, seg) / 12 - 1; - - /* Look for the first frag of sufficient size for the initial stab - symbol, and collect a pointer to it. */ - while (frag && frag->fr_fix < 12) - frag = frag->fr_next; - assert (frag != 0); - p = frag->fr_literal; - assert (p != 0); - - /* Write in the number of stab symbols and the size of the string - table. */ - bfd_h_put_16 (abfd, (bfd_vma) nsyms, (bfd_byte *) p + 6); - bfd_h_put_32 (abfd, (bfd_vma) strsz, (bfd_byte *) p + 8); -} diff --git a/gas/config/obj-coffbfd.h b/gas/config/obj-coffbfd.h deleted file mode 100644 index c65b5d02f3b..00000000000 --- a/gas/config/obj-coffbfd.h +++ /dev/null @@ -1,509 +0,0 @@ -/* coff object file format - Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. - - This file is part of GAS. - - GAS 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, or (at your option) - any later version. - - GAS 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 GAS; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#ifndef OBJ_FORMAT_H -#define OBJ_FORMAT_H - -#define OBJ_COFF 1 - -#define WORKING_DOT_WORD -#define WARN_SIGNED_OVERFLOW_WORD - -/* By default we omit the optional aouthdr. */ -#define OBJ_COFF_OMIT_OPTIONAL_HEADER - -#define BFD_HEADERS -#define BFD - -#include "targ-cpu.h" - -#include "bfd.h" - -/* This internal_lineno crap is to stop namespace pollution from the - bfd internal coff headerfile. */ - -#define internal_lineno bfd_internal_lineno -#include "coff/internal.h" -#undef internal_lineno - -#ifdef TC_Z8K -#include "coff/z8k.h" -#define TARGET_FORMAT "coff-z8k" -#endif - -#ifdef TC_H8300 -#include "coff/h8300.h" -#define TARGET_FORMAT "coff-h8300" -#endif - -#ifdef TC_H8500 -#include "coff/h8500.h" -#define TARGET_FORMAT "coff-h8500" -#endif - -#ifdef TC_SH -#include "coff/sh.h" -#define TARGET_FORMAT "coff-sh" -#endif - -#ifdef TC_M88K -#include "coff/m88k.h" -#define TARGET_FORMAT "coff-m88kbcs" -#endif - -#ifdef TC_I386 -#include "coff/i386.h" -#ifndef TARGET_FORMAT -#define TARGET_FORMAT "coff-i386" -#endif -#endif - -#ifdef TC_M68K -#include "coff/m68k.h" -#ifndef TARGET_FORMAT -#define TARGET_FORMAT "coff-m68k" -#endif -#endif - -#ifdef TC_A29K -#include "coff/a29k.h" -#define TARGET_FORMAT "coff-a29k-big" - -/* Allow translate from aout relocs to coff relocs */ -#define NO_RELOC 20 -#define RELOC_32 1 -#define RELOC_8 2 -#define RELOC_CONST 3 -#define RELOC_CONSTH 4 -#define RELOC_JUMPTARG 5 -#define RELOC_BASE22 6 -#define RELOC_HI22 7 -#define RELOC_LO10 8 -#define RELOC_BASE13 9 -#define RELOC_WDISP22 10 -#define RELOC_WDISP30 11 -#endif - -#ifdef TC_I960 -#include "coff/i960.h" -#define TARGET_FORMAT "coff-Intel-little" -#endif - - -#ifndef OBJ_COFF_MAX_AUXENTRIES -#define OBJ_COFF_MAX_AUXENTRIES 1 -#endif /* OBJ_COFF_MAX_AUXENTRIES */ - - -extern const segT N_TYPE_seg[]; - -/* Magic number of paged executable. */ -#define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE 0x8300 - - -/* SYMBOL TABLE */ - -/* targets may also set this */ -#undef SYMBOLS_NEED_BACKPOINTERS -#define SYMBOLS_NEED_BACKPOINTERS 1 - -/* Symbol table entry data type */ - -typedef struct -{ - /* Basic symbol */ - struct internal_syment ost_entry; - /* Auxiliary entry. */ - union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES]; - /* obj_coff internal use only flags */ - unsigned int ost_flags; -} obj_symbol_type; - -#ifndef DO_NOT_STRIP -#define DO_NOT_STRIP 0 -#define DO_STRIP 1 -#endif -/* Symbol table macros and constants */ - -/* Possible and usefull section number in symbol table - * The values of TEXT, DATA and BSS may not be portable. - */ - -#define C_ABS_SECTION N_ABS -#define C_UNDEF_SECTION N_UNDEF -#define C_DEBUG_SECTION N_DEBUG -#define C_NTV_SECTION N_TV -#define C_PTV_SECTION P_TV -#define C_REGISTER_SECTION 20 - -/* - * Macros to extract information from a symbol table entry. - * This syntaxic indirection allows independence regarding a.out or coff. - * The argument (s) of all these macros is a pointer to a symbol table entry. - */ - -/* Predicates */ -/* True if the symbol is external */ -#define S_IS_EXTERNAL(s) ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION) -/* True if symbol has been defined, ie : - section > 0 (DATA, TEXT or BSS) - section == 0 and value > 0 (external bss symbol) */ -#define S_IS_DEFINED(s) ((s)->sy_symbol.ost_entry.n_scnum > C_UNDEF_SECTION || \ - ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION && \ - S_GET_VALUE (s) > 0)) -/* True if a debug special symbol entry */ -#define S_IS_DEBUG(s) ((s)->sy_symbol.ost_entry.n_scnum == C_DEBUG_SECTION) -/* True if a symbol is local symbol name */ -/* A symbol name whose name includes ^A is a gas internal pseudo symbol */ -#define S_IS_LOCAL(s) \ - ((s)->sy_symbol.ost_entry.n_scnum == C_REGISTER_SECTION \ - || (S_LOCAL_NAME(s) && !flagseen['L']) \ - || (strchr (S_GET_NAME (s), '\001') != NULL)) -/* True if a symbol is not defined in this file */ -#define S_IS_EXTERN(s) ((s)->sy_symbol.ost_entry.n_scnum == 0 \ - && S_GET_VALUE (s) == 0) -/* - * True if a symbol can be multiply defined (bss symbols have this def - * though it is bad practice) - */ -#define S_IS_COMMON(s) ((s)->sy_symbol.ost_entry.n_scnum == 0 \ - && S_GET_VALUE (s) != 0) -/* True if a symbol name is in the string table, i.e. its length is > 8. */ -#define S_IS_STRING(s) (strlen(S_GET_NAME(s)) > 8 ? 1 : 0) - -/* Accessors */ -/* The name of the symbol */ -#define S_GET_NAME(s) ((char*)(s)->sy_symbol.ost_entry.n_offset) -/* The pointer to the string table */ -#define S_GET_OFFSET(s) ((s)->sy_symbol.ost_entry.n_offset) -/* The zeroes if symbol name is longer than 8 chars */ -#define S_GET_ZEROES(s) ((s)->sy_symbol.ost_entry.n_zeroes) -/* The numeric value of the segment */ -#define S_GET_SEGMENT(s) s_get_segment(s) -/* The data type */ -#define S_GET_DATA_TYPE(s) ((s)->sy_symbol.ost_entry.n_type) -/* The storage class */ -#define S_GET_STORAGE_CLASS(s) ((s)->sy_symbol.ost_entry.n_sclass) -/* The number of auxiliary entries */ -#define S_GET_NUMBER_AUXILIARY(s) ((s)->sy_symbol.ost_entry.n_numaux) - -/* Modifiers */ -/* Set the name of the symbol */ -#define S_SET_NAME(s,v) ((s)->sy_symbol.ost_entry.n_offset = (unsigned long)(v)) -/* Set the offset of the symbol */ -#define S_SET_OFFSET(s,v) ((s)->sy_symbol.ost_entry.n_offset = (v)) -/* The zeroes if symbol name is longer than 8 chars */ -#define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v)) -/* The numeric value of the segment */ -#define S_SET_SEGMENT(s,v) ((s)->sy_symbol.ost_entry.n_scnum = SEGMENT_TO_SYMBOL_TYPE(v)) -/* The data type */ -#define S_SET_DATA_TYPE(s,v) ((s)->sy_symbol.ost_entry.n_type = (v)) -/* The storage class */ -#define S_SET_STORAGE_CLASS(s,v) ((s)->sy_symbol.ost_entry.n_sclass = (v)) -/* The number of auxiliary entries */ -#define S_SET_NUMBER_AUXILIARY(s,v) ((s)->sy_symbol.ost_entry.n_numaux = (v)) - -/* Additional modifiers */ -/* The symbol is external (does not mean undefined) */ -#define S_SET_EXTERNAL(s) { S_SET_STORAGE_CLASS(s, C_EXT) ; SF_CLEAR_LOCAL(s); } - -/* Auxiliary entry macros. SA_ stands for symbol auxiliary */ -/* Omit the tv related fields */ -/* Accessors */ -#define SYM_AUXENT(S) (&(S)->sy_symbol.ost_auxent[0]) - -#define SA_GET_SYM_TAGNDX(s) (SYM_AUXENT (s)->x_sym.x_tagndx.l) -#define SA_GET_SYM_LNNO(s) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_lnno) -#define SA_GET_SYM_SIZE(s) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_size) -#define SA_GET_SYM_FSIZE(s) (SYM_AUXENT (s)->x_sym.x_misc.x_fsize) -#define SA_GET_SYM_LNNOPTR(s) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_lnnoptr) -#define SA_GET_SYM_ENDNDX(s) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx.l) -#define SA_GET_SYM_DIMEN(s,i) (SYM_AUXENT (s)->x_sym.x_fcnary.x_ary.x_dimen[(i)]) -#define SA_GET_FILE_FNAME(s) (SYM_AUXENT (s)->x_file.x_fname) -#define SA_GET_SCN_SCNLEN(s) (SYM_AUXENT (s)->x_scn.x_scnlen) -#define SA_GET_SCN_NRELOC(s) (SYM_AUXENT (s)->x_scn.x_nreloc) -#define SA_GET_SCN_NLINNO(s) (SYM_AUXENT (s)->x_scn.x_nlinno) - -/* Modifiers */ -#define SA_SET_SYM_TAGNDX(s,v) (SYM_AUXENT (s)->x_sym.x_tagndx.l=(v)) -#define SA_SET_SYM_LNNO(s,v) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_lnno=(v)) -#define SA_SET_SYM_SIZE(s,v) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_size=(v)) -#define SA_SET_SYM_FSIZE(s,v) (SYM_AUXENT (s)->x_sym.x_misc.x_fsize=(v)) -#define SA_SET_SYM_LNNOPTR(s,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_lnnoptr=(v)) -#define SA_SET_SYM_ENDNDX(s,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx.l=(v)) -#define SA_SET_SYM_DIMEN(s,i,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_ary.x_dimen[(i)]=(v)) -#define SA_SET_FILE_FNAME(s,v) strncpy(SYM_AUXENT (s)->x_file.x_fname,(v),FILNMLEN) -#define SA_SET_SCN_SCNLEN(s,v) (SYM_AUXENT (s)->x_scn.x_scnlen=(v)) -#define SA_SET_SCN_NRELOC(s,v) (SYM_AUXENT (s)->x_scn.x_nreloc=(v)) -#define SA_SET_SCN_NLINNO(s,v) (SYM_AUXENT (s)->x_scn.x_nlinno=(v)) - -/* - * Internal use only definitions. SF_ stands for symbol flags. - * - * These values can be assigned to sy_symbol.ost_flags field of a symbolS. - * - * You'll break i960 if you shift the SYSPROC bits anywhere else. for - * more on the balname/callname hack, see tc-i960.h. b.out is done - * differently. - */ - -#define SF_I960_MASK (0x000001ff) /* Bits 0-8 are used by the i960 port. */ -#define SF_SYSPROC (0x0000003f) /* bits 0-5 are used to store the sysproc number */ -#define SF_IS_SYSPROC (0x00000040) /* bit 6 marks symbols that are sysprocs */ -#define SF_BALNAME (0x00000080) /* bit 7 marks BALNAME symbols */ -#define SF_CALLNAME (0x00000100) /* bit 8 marks CALLNAME symbols */ - -#define SF_NORMAL_MASK (0x0000ffff) /* bits 12-15 are general purpose. */ - -#define SF_STATICS (0x00001000) /* Mark the .text & all symbols */ -#define SF_DEFINED (0x00002000) /* Symbol is defined in this file */ -#define SF_STRING (0x00004000) /* Symbol name length > 8 */ -#define SF_LOCAL (0x00008000) /* Symbol must not be emitted */ - -#define SF_DEBUG_MASK (0xffff0000) /* bits 16-31 are debug info */ - -#define SF_FUNCTION (0x00010000) /* The symbol is a function */ -#define SF_PROCESS (0x00020000) /* Process symbol before write */ -#define SF_TAGGED (0x00040000) /* Is associated with a tag */ -#define SF_TAG (0x00080000) /* Is a tag */ -#define SF_DEBUG (0x00100000) /* Is in debug or abs section */ -#define SF_GET_SEGMENT (0x00200000) /* Get the section of the forward symbol. */ -/* All other bits are unused. */ - -/* Accessors */ -#define SF_GET(s) ((s)->sy_symbol.ost_flags) -#define SF_GET_NORMAL_FIELD(s) (SF_GET (s) & SF_NORMAL_MASK) -#define SF_GET_DEBUG_FIELD(s) (SF_GET (s) & SF_DEBUG_MASK) -#define SF_GET_FILE(s) (SF_GET (s) & SF_FILE) -#define SF_GET_STATICS(s) (SF_GET (s) & SF_STATICS) -#define SF_GET_DEFINED(s) (SF_GET (s) & SF_DEFINED) -#define SF_GET_STRING(s) (SF_GET (s) & SF_STRING) -#define SF_GET_LOCAL(s) (SF_GET (s) & SF_LOCAL) -#define SF_GET_FUNCTION(s) (SF_GET (s) & SF_FUNCTION) -#define SF_GET_PROCESS(s) (SF_GET (s) & SF_PROCESS) -#define SF_GET_DEBUG(s) (SF_GET (s) & SF_DEBUG) -#define SF_GET_TAGGED(s) (SF_GET (s) & SF_TAGGED) -#define SF_GET_TAG(s) (SF_GET (s) & SF_TAG) -#define SF_GET_GET_SEGMENT(s) (SF_GET (s) & SF_GET_SEGMENT) -#define SF_GET_I960(s) (SF_GET (s) & SF_I960_MASK) /* used by i960 */ -#define SF_GET_BALNAME(s) (SF_GET (s) & SF_BALNAME) /* used by i960 */ -#define SF_GET_CALLNAME(s) (SF_GET (s) & SF_CALLNAME) /* used by i960 */ -#define SF_GET_IS_SYSPROC(s) (SF_GET (s) & SF_IS_SYSPROC) /* used by i960 */ -#define SF_GET_SYSPROC(s) (SF_GET (s) & SF_SYSPROC) /* used by i960 */ - -/* Modifiers */ -#define SF_SET(s,v) (SF_GET (s) = (v)) -#define SF_SET_NORMAL_FIELD(s,v)(SF_GET (s) |= ((v) & SF_NORMAL_MASK)) -#define SF_SET_DEBUG_FIELD(s,v) (SF_GET (s) |= ((v) & SF_DEBUG_MASK)) -#define SF_SET_FILE(s) (SF_GET (s) |= SF_FILE) -#define SF_SET_STATICS(s) (SF_GET (s) |= SF_STATICS) -#define SF_SET_DEFINED(s) (SF_GET (s) |= SF_DEFINED) -#define SF_SET_STRING(s) (SF_GET (s) |= SF_STRING) -#define SF_SET_LOCAL(s) (SF_GET (s) |= SF_LOCAL) -#define SF_CLEAR_LOCAL(s) (SF_GET (s) &= ~SF_LOCAL) -#define SF_SET_FUNCTION(s) (SF_GET (s) |= SF_FUNCTION) -#define SF_SET_PROCESS(s) (SF_GET (s) |= SF_PROCESS) -#define SF_SET_DEBUG(s) (SF_GET (s) |= SF_DEBUG) -#define SF_SET_TAGGED(s) (SF_GET (s) |= SF_TAGGED) -#define SF_SET_TAG(s) (SF_GET (s) |= SF_TAG) -#define SF_SET_GET_SEGMENT(s) (SF_GET (s) |= SF_GET_SEGMENT) -#define SF_SET_I960(s,v) (SF_GET (s) |= ((v) & SF_I960_MASK)) /* used by i960 */ -#define SF_SET_BALNAME(s) (SF_GET (s) |= SF_BALNAME) /* used by i960 */ -#define SF_SET_CALLNAME(s) (SF_GET (s) |= SF_CALLNAME) /* used by i960 */ -#define SF_SET_IS_SYSPROC(s) (SF_GET (s) |= SF_IS_SYSPROC) /* used by i960 */ -#define SF_SET_SYSPROC(s,v) (SF_GET (s) |= ((v) & SF_SYSPROC)) /* used by i960 */ - -/* File header macro and type definition */ - -/* - * File position calculators. Beware to use them when all the - * appropriate fields are set in the header. - */ - -#ifdef OBJ_COFF_OMIT_OPTIONAL_HEADER -#define OBJ_COFF_AOUTHDRSZ (0) -#else -#define OBJ_COFF_AOUTHDRSZ (AOUTHDRSZ) -#endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */ - -#define H_GET_FILE_SIZE(h) \ - (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \ - H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \ - H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \ - H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h) + \ - H_GET_SYMBOL_TABLE_SIZE(h) + \ - (h)->string_table_size) -#define H_GET_TEXT_FILE_OFFSET(h) \ - (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \ - H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ) -#define H_GET_DATA_FILE_OFFSET(h) \ - (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \ - H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \ - H_GET_TEXT_SIZE(h)) -#define H_GET_BSS_FILE_OFFSET(h) 0 -#define H_GET_RELOCATION_FILE_OFFSET(h) \ - (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \ - H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \ - H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h)) -#define H_GET_LINENO_FILE_OFFSET(h) \ - (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \ - H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \ - H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \ - H_GET_RELOCATION_SIZE(h)) -#define H_GET_SYMBOL_TABLE_FILE_OFFSET(h) \ - (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \ - H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \ - H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \ - H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h)) - -/* Accessors */ -/* aouthdr */ -#define H_GET_MAGIC_NUMBER(h) ((h)->aouthdr.magic) -#define H_GET_VERSION_STAMP(h) ((h)->aouthdr.vstamp) -#define H_GET_TEXT_SIZE(h) ((h)->aouthdr.tsize) -#define H_GET_DATA_SIZE(h) ((h)->aouthdr.dsize) -#define H_GET_BSS_SIZE(h) ((h)->aouthdr.bsize) -#define H_GET_ENTRY_POINT(h) ((h)->aouthdr.entry) -#define H_GET_TEXT_START(h) ((h)->aouthdr.text_start) -#define H_GET_DATA_START(h) ((h)->aouthdr.data_start) -/* filehdr */ -#define H_GET_FILE_MAGIC_NUMBER(h) ((h)->filehdr.f_magic) -#define H_GET_NUMBER_OF_SECTIONS(h) ((h)->filehdr.f_nscns) -#define H_GET_TIME_STAMP(h) ((h)->filehdr.f_timdat) -#define H_GET_SYMBOL_TABLE_POINTER(h) ((h)->filehdr.f_symptr) -#define H_GET_SYMBOL_COUNT(h) ((h)->filehdr.f_nsyms) -#define H_GET_SYMBOL_TABLE_SIZE(h) (H_GET_SYMBOL_COUNT(h) * SYMESZ) -#define H_GET_SIZEOF_OPTIONAL_HEADER(h) ((h)->filehdr.f_opthdr) -#define H_GET_FLAGS(h) ((h)->filehdr.f_flags) -/* Extra fields to achieve bsd a.out compatibility and for convenience */ -#define H_GET_RELOCATION_SIZE(h) ((h)->relocation_size) -#define H_GET_STRING_SIZE(h) ((h)->string_table_size) -#define H_GET_LINENO_SIZE(h) ((h)->lineno_size) - -#ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER -#define H_GET_HEADER_SIZE(h) (sizeof(FILHDR) \ - + sizeof(AOUTHDR)\ - + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ)) -#else /* OBJ_COFF_OMIT_OPTIONAL_HEADER */ -#define H_GET_HEADER_SIZE(h) (sizeof(FILHDR) \ - + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ)) -#endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */ - -#define H_GET_TEXT_RELOCATION_SIZE(h) (text_section_header.s_nreloc * RELSZ) -#define H_GET_DATA_RELOCATION_SIZE(h) (data_section_header.s_nreloc * RELSZ) - -/* Modifiers */ -/* aouthdr */ -#define H_SET_MAGIC_NUMBER(h,v) ((h)->aouthdr.magic = (v)) -#define H_SET_VERSION_STAMP(h,v) ((h)->aouthdr.vstamp = (v)) -#define H_SET_TEXT_SIZE(h,v) ((h)->aouthdr.tsize = (v)) -#define H_SET_DATA_SIZE(h,v) ((h)->aouthdr.dsize = (v)) -#define H_SET_BSS_SIZE(h,v) ((h)->aouthdr.bsize = (v)) -#define H_SET_ENTRY_POINT(h,v) ((h)->aouthdr.entry = (v)) -#define H_SET_TEXT_START(h,v) ((h)->aouthdr.text_start = (v)) -#define H_SET_DATA_START(h,v) ((h)->aouthdr.data_start = (v)) -/* filehdr */ -#define H_SET_FILE_MAGIC_NUMBER(h,v) ((h)->filehdr.f_magic = (v)) -#define H_SET_NUMBER_OF_SECTIONS(h,v) ((h)->filehdr.f_nscns = (v)) -#define H_SET_TIME_STAMP(h,v) ((h)->filehdr.f_timdat = (v)) -#define H_SET_SYMBOL_TABLE_POINTER(h,v) ((h)->filehdr.f_symptr = (v)) -#define H_SET_SYMBOL_TABLE_SIZE(h,v) ((h)->filehdr.f_nsyms = (v)) -#define H_SET_SIZEOF_OPTIONAL_HEADER(h,v) ((h)->filehdr.f_opthdr = (v)) -#define H_SET_FLAGS(h,v) ((h)->filehdr.f_flags = (v)) -/* Extra fields to achieve bsd a.out compatibility and for convinience */ -#define H_SET_RELOCATION_SIZE(h,t,d) ((h)->relocation_size = (t)+(d)) -#define H_SET_STRING_SIZE(h,v) ((h)->string_table_size = (v)) -#define H_SET_LINENO_SIZE(h,v) ((h)->lineno_size = (v)) - -/* Segment flipping */ - -typedef struct -{ - struct internal_aouthdr aouthdr; /* a.out header */ - struct internal_filehdr filehdr; /* File header, not machine dep. */ - long string_table_size; /* names + '\0' + sizeof(int) */ - long relocation_size; /* Cumulated size of relocation - information for all sections in - bytes. */ - long lineno_size; /* Size of the line number information - table in bytes */ -} object_headers; - - - -struct lineno_list -{ - struct bfd_internal_lineno line; - char *frag; /* Frag to which the line number is related */ - struct lineno_list *next; /* Forward chain pointer */ -}; - - - - -#define obj_segment_name(i) (segment_info[(int) (i)].scnhdr.s_name) - -#define obj_add_segment(s) obj_coff_add_segment (s) - -extern segT obj_coff_add_segment PARAMS ((const char *)); - -extern void obj_coff_section PARAMS ((int)); - -extern void c_dot_file_symbol PARAMS ((char *filename)); -extern void obj_extra_stuff PARAMS ((object_headers * headers)); - -extern segT s_get_segment PARAMS ((struct symbol * ptr)); - -extern void c_section_header PARAMS ((struct internal_scnhdr * header, - char *name, - long core_address, - long size, - long data_ptr, - long reloc_ptr, - long lineno_ptr, - long reloc_number, - long lineno_number, - long alignment)); - - -/* sanity check */ - -#ifdef TC_I960 -#ifndef C_LEAFSTAT -hey ! Where is the C_LEAFSTAT definition ? i960 - coff support is depending on it. -#endif /* no C_LEAFSTAT */ -#endif /* TC_I960 */ -extern struct internal_scnhdr data_section_header; -extern struct internal_scnhdr text_section_header; - -/* Forward the segment of a forwarded symbol. */ -#define obj_frob_forward_symbol(symp) \ - (SF_GET_GET_SEGMENT (symp) \ - ? (S_SET_SEGMENT (symp, S_GET_SEGMENT (symp->sy_value.X_add_symbol)), 0) \ - : 0) - -/* Stabs in a coff file go into their own section. */ -#define SEPARATE_STAB_SECTIONS - -/* We need 12 bytes at the start of the section to hold some initial - information. */ -extern void obj_coff_init_stab_section PARAMS ((segT)); -#define INIT_STAB_SECTION(seg) obj_coff_init_stab_section (seg) - -#endif /* OBJ_FORMAT_H */ -- 2.30.2