/* coff object file format
- Copyright (C) 1989, 1990, 1991 Free Software Foundation, Inc.
+ Copyright (C) 1989, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000
+ Free Software Foundation, Inc.
-This file is part of GAS.
+ 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 1, or (at your option)
-any later version.
+ 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.
+ 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. */
+ 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, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
-/* $Id$ */
+#define OBJ_HEADER "obj-coff.h"
#include "as.h"
-
#include "obstack.h"
+#include "subsegs.h"
-lineno* lineno_rootP;
-
-const short seg_N_TYPE[] = { /* in: segT out: N_TYPE bits */
- C_ABS_SECTION,
- C_TEXT_SECTION,
- C_DATA_SECTION,
- C_BSS_SECTION,
- C_UNDEF_SECTION, /* SEG_UNKNOWN */
- C_UNDEF_SECTION, /* SEG_ABSENT */
- C_UNDEF_SECTION, /* SEG_PASS1 */
- C_UNDEF_SECTION, /* SEG_GOOF */
- C_UNDEF_SECTION, /* SEG_BIG */
- C_UNDEF_SECTION, /* SEG_DIFFERENCE */
- C_DEBUG_SECTION, /* SEG_DEBUG */
- C_NTV_SECTION, /* SEG_NTV */
- C_PTV_SECTION, /* SEG_PTV */
-};
-
+/* I think this is probably always correct. */
+#ifndef KEEP_RELOC_INFO
+#define KEEP_RELOC_INFO
+#endif
-/* Add 4 to the real value to get the index and compensate the negatives */
+static void obj_coff_bss PARAMS ((int));
+const char *s_get_name PARAMS ((symbolS * s));
+static void obj_coff_ln PARAMS ((int));
+static void obj_coff_def PARAMS ((int));
+static void obj_coff_endef PARAMS ((int));
+static void obj_coff_dim PARAMS ((int));
+static void obj_coff_line PARAMS ((int));
+static void obj_coff_size PARAMS ((int));
+static void obj_coff_scl PARAMS ((int));
+static void obj_coff_tag PARAMS ((int));
+static void obj_coff_val PARAMS ((int));
+static void obj_coff_type PARAMS ((int));
+static void obj_coff_ident PARAMS ((int));
+#ifdef BFD_ASSEMBLER
+static void obj_coff_loc PARAMS((int));
+#endif
-const segT N_TYPE_seg [32] =
+/* This is used to hold the symbol built by a sequence of pseudo-ops
+ from .def and .endef. */
+static symbolS *def_symbol_in_progress;
+\f
+/* 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;
{
- SEG_PTV, /* C_PTV_SECTION == -4 */
- SEG_NTV, /* C_NTV_SECTION == -3 */
- SEG_DEBUG, /* C_DEBUG_SECTION == -2 */
- SEG_ABSOLUTE, /* C_ABS_SECTION == -1 */
- SEG_UNKNOWN, /* C_UNDEF_SECTION == 0 */
- SEG_TEXT, /* C_TEXT_SECTION == 1 */
- SEG_DATA, /* C_DATA_SECTION == 2 */
- SEG_BSS, /* C_BSS_SECTION == 3 */
- SEG_GOOF,SEG_GOOF,SEG_GOOF,SEG_GOOF,SEG_GOOF,SEG_GOOF,SEG_GOOF,SEG_GOOF,
- SEG_GOOF,SEG_GOOF,SEG_GOOF,SEG_GOOF,SEG_GOOF,SEG_GOOF,SEG_GOOF,SEG_GOOF,
- SEG_GOOF,SEG_GOOF,SEG_GOOF,SEG_GOOF,SEG_GOOF,SEG_GOOF,SEG_GOOF,SEG_GOOF
-};
-
-#ifdef __STDC__
-
-char *s_get_name(symbolS *s);
-static symbolS *tag_find_or_make(char *name);
-static symbolS* tag_find(char *name);
-static void c_section_header_append(char **where, SCNHDR *header);
-static void obj_coff_def(int what);
-static void obj_coff_dim(void);
-static void obj_coff_endef(void);
-static void obj_coff_line(void);
-static void obj_coff_ln(void);
-static void obj_coff_scl(void);
-static void obj_coff_size(void);
-static void obj_coff_stab(int what);
-static void obj_coff_tag(void);
-static void obj_coff_type(void);
-static void obj_coff_val(void);
-static void tag_init(void);
-static void tag_insert(char *name, symbolS *symbolP);
-
-#else
+ 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;
+}
-char *s_get_name();
-static symbolS *tag_find();
-static symbolS *tag_find_or_make();
-static void c_section_header_append();
-static void obj_coff_def();
-static void obj_coff_dim();
-static void obj_coff_endef();
-static void obj_coff_line();
-static void obj_coff_ln();
-static void obj_coff_scl();
-static void obj_coff_size();
-static void obj_coff_stab();
-static void obj_coff_tag();
-static void obj_coff_type();
-static void obj_coff_val();
-static void tag_init();
-static void tag_insert();
-
-#endif /* __STDC__ */
+#if 0
+/* Not currently used. */
+static void
+stack_delete (st)
+ stack *st;
+{
+ free (st->data);
+ free (st);
+}
+#endif
-static struct hash_control *tag_hash;
-static symbolS *def_symbol_in_progress = NULL;
-
-const pseudo_typeS obj_pseudo_table[] = {
-#ifndef IGNORE_DEBUG
- { "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 },
- { "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 },
-#else
- { "def", s_ignore, 0 },
- { "dim", s_ignore, 0 },
- { "endef", s_ignore, 0 },
- { "line", s_ignore, 0 },
- { "ln", s_ignore, 0 },
- { "scl", s_ignore, 0 },
- { "size", s_ignore, 0 },
- { "tag", s_ignore, 0 },
- { "type", s_ignore, 0 },
- { "val", s_ignore, 0 },
-#endif /* ignore debug */
-
- /* stabs aka a.out aka b.out directives for debug symbols.
- Currently ignored silently. Except for .line which we
- guess at from context. */
- { "desc", s_ignore, 0 }, /* def */
-/* { "line", s_ignore, 0 }, */ /* source code line number */
- { "stabd", obj_coff_stab, 'd' }, /* stabs */
- { "stabn", obj_coff_stab, 'n' }, /* stabs */
- { "stabs", obj_coff_stab, 's' }, /* stabs */
-
- /* other stuff */
- { "ABORT", s_abort, 0 },
- { "ident", s_ignore, 0 },
-
- { NULL} /* end sentinel */
-}; /* obj_pseudo_table */
-
-
- /* obj dependant output values */
-static SCNHDR bss_section_header;
-static SCNHDR data_section_header;
-static SCNHDR text_section_header;
-
-/* Relocation. */
+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;
+}
+\f
/*
- * emit_relocations()
- *
- * Crawl along a fixS chain. Emit the segment's relocations.
+ * Maintain a list of the tagnames of the structres.
*/
-void obj_emit_relocations(where, fixP, segment_address_in_file)
-char **where;
-fixS *fixP; /* Fixup chain for this segment. */
-relax_addressT segment_address_in_file;
-{
- RELOC ri;
- symbolS *symbolP;
-
- bzero((char *)&ri,sizeof(ri));
- for (; fixP; fixP = fixP->fx_next) {
- if (symbolP = fixP->fx_addsy) {
-#if defined(TC_M68K)
- ri.r_type = (fixP->fx_pcrel ?
- (fixP->fx_size == 1 ? R_PCRBYTE :
- fixP->fx_size == 2 ? R_PCRWORD :
- R_PCRLONG):
- (fixP->fx_size == 1 ? R_RELBYTE :
- fixP->fx_size == 2 ? R_RELWORD :
- R_RELLONG));
-#elif defined(TC_I386)
- /* FIXME-SOON R_OFF8 & R_DIR16 are a vague guess, completly untested. */
- ri.r_type = (fixP->fx_pcrel ?
- (fixP->fx_size == 1 ? R_PCRBYTE :
- fixP->fx_size == 2 ? R_PCRWORD :
- R_PCRLONG):
- (fixP->fx_size == 1 ? R_OFF8 :
- fixP->fx_size == 2 ? R_DIR16 :
- R_DIR32));
-#elif defined(TC_I960)
- ri.r_type = (fixP->fx_pcrel
- ? R_IPRMED
- : R_RELLONG);
-#elif defined(TC_A29K)
- ri.r_type = tc_coff_fix2rtype(fixP);
-#else
- you lose
-#endif /* TC_M68K || TC_I386 */
- ri.r_vaddr = fixP->fx_frag->fr_address + fixP->fx_where;
- /* If symbol associated to relocation entry is a bss symbol
- or undefined symbol just remember the index of the symbol.
- Otherwise store the index of the symbol describing the
- section the symbol belong to. This heuristic speeds up ld.
- */
- /* Local symbols can generate relocation information. In case
- of structure return for instance. But they have no symbol
- number because they won't be emitted in the final object.
- In the case where they are in the BSS section, this leads
- to an incorrect r_symndx.
- Under bsd the loader do not care if the symbol reference is
- incorrect. But the SYS V ld complains about this. To avoid
- this we associate the symbol to the associated section,
- *even* if it is the BSS section. */
- /* If someone can tell me why the other symbols of the bss
- section are not associated with the .bss section entry,
- I'd be gratefull. I guess that it has to do with the special
- nature of the .bss section. Or maybe this is because the
- bss symbols are declared in the common section and can
- be resized later. Can it break code some where ? */
- ri.r_symndx = (S_GET_SEGMENT(symbolP) == SEG_TEXT
- ? dot_text_symbol->sy_number
- : (S_GET_SEGMENT(symbolP) == SEG_DATA
- ? dot_data_symbol->sy_number
- : ((SF_GET_LOCAL(symbolP)
- ? dot_bss_symbol->sy_number
- : symbolP->sy_number)))); /* bss or undefined */
-
- /* md_ri_to_chars((char *) &ri, ri); */ /* Last step : write md f */
- append(where, (char *) &ri, sizeof(ri));
+static struct hash_control *tag_hash;
-#ifdef TC_I960
- if (fixP->fx_callj) {
- ri.r_type = R_OPTCALL;
- append(where, (char *) &ri, sizeof(ri));
- } /* if it's a callj, do it again for the opcode */
-#endif /* TC_I960 */
+static void
+tag_init ()
+{
+ tag_hash = hash_new ();
+}
+
+static void
+tag_insert (name, symbolP)
+ const char *name;
+ symbolS *symbolP;
+{
+ const char *error_string;
- } /* if there's a symbol */
- } /* for each fixP */
+ if ((error_string = hash_jam (tag_hash, name, (char *) symbolP)))
+ {
+ as_fatal (_("Inserting \"%s\" into structure table failed: %s"),
+ name, error_string);
+ }
+}
- return;
-} /* obj_emit_relocations() */
+static symbolS *
+tag_find (name)
+ char *name;
+{
+#ifdef STRIP_UNDERSCORE
+ if (*name == '_')
+ name++;
+#endif /* STRIP_UNDERSCORE */
+ return (symbolS *) hash_find (tag_hash, name);
+}
-/* Coff file generation & utilities */
+static symbolS *
+tag_find_or_make (name)
+ char *name;
+{
+ symbolS *symbolP;
-void obj_header_append(where, headers)
-char **where;
-object_headers *headers;
-{
- tc_headers_hook(headers);
-
-#ifdef CROSS_ASSEMBLE
- /* Eventually swap bytes for cross compilation for file header */
- md_number_to_chars(*where, headers->filehdr.f_magic, sizeof(headers->filehdr.f_magic));
- *where += sizeof(headers->filehdr.f_magic);
- md_number_to_chars(*where, headers->filehdr.f_nscns, sizeof(headers->filehdr.f_nscns));
- *where += sizeof(headers->filehdr.f_nscns);
- md_number_to_chars(*where, headers->filehdr.f_timdat, sizeof(headers->filehdr.f_timdat));
- *where += sizeof(headers->filehdr.f_timdat);
- md_number_to_chars(*where, headers->filehdr.f_symptr, sizeof(headers->filehdr.f_symptr));
- *where += sizeof(headers->filehdr.f_symptr);
- md_number_to_chars(*where, headers->filehdr.f_nsyms, sizeof(headers->filehdr.f_nsyms));
- *where += sizeof(headers->filehdr.f_nsyms);
- md_number_to_chars(*where, headers->filehdr.f_opthdr, sizeof(headers->filehdr.f_opthdr));
- *where += sizeof(headers->filehdr.f_opthdr);
- md_number_to_chars(*where, headers->filehdr.f_flags, sizeof(headers->filehdr.f_flags));
- *where += sizeof(headers->filehdr.f_flags);
+ if ((symbolP = tag_find (name)) == NULL)
+ {
+ symbolP = symbol_new (name, undefined_section,
+ 0, &zero_address_frag);
-#ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER
- /* Eventually swap bytes for cross compilation for a.out header */
- md_number_to_chars(*where, headers->aouthdr.magic, sizeof(headers->aouthdr.magic));
- *where += sizeof(headers->aouthdr.magic);
- md_number_to_chars(*where, headers->aouthdr.vstamp, sizeof(headers->aouthdr.vstamp));
- *where += sizeof(headers->aouthdr.vstamp);
- md_number_to_chars(*where, headers->aouthdr.tsize, sizeof(headers->aouthdr.tsize));
- *where += sizeof(headers->aouthdr.tsize);
- md_number_to_chars(*where, headers->aouthdr.dsize, sizeof(headers->aouthdr.dsize));
- *where += sizeof(headers->aouthdr.dsize);
- md_number_to_chars(*where, headers->aouthdr.bsize, sizeof(headers->aouthdr.bsize));
- *where += sizeof(headers->aouthdr.bsize);
- md_number_to_chars(*where, headers->aouthdr.entry, sizeof(headers->aouthdr.entry));
- *where += sizeof(headers->aouthdr.entry);
- md_number_to_chars(*where, headers->aouthdr.text_start, sizeof(headers->aouthdr.text_start));
- *where += sizeof(headers->aouthdr.text_start);
- md_number_to_chars(*where, headers->aouthdr.data_start, sizeof(headers->aouthdr.data_start));
- *where += sizeof(headers->aouthdr.data_start);
-#endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
-
-#else /* CROSS_ASSEMBLE */
-
- append(where, (char *) &headers->filehdr, sizeof(headers->filehdr));
-#ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER
- append(where, (char *) &headers->aouthdr, sizeof(headers->aouthdr));
-#endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
-
-#endif /* CROSS_ASSEMBLE */
-
- /* Output the section headers */
- c_section_header_append(where, &text_section_header);
- c_section_header_append(where, &data_section_header);
- c_section_header_append(where, &bss_section_header);
-
- return;
-} /* obj_header_append() */
-
-void obj_symbol_to_chars(where, symbolP)
-char **where;
-symbolS *symbolP;
-{
- SYMENT *syment = &symbolP->sy_symbol.ost_entry;
- int i;
- char numaux = syment->n_numaux;
- unsigned short type = S_GET_DATA_TYPE(symbolP);
-
-#ifdef CROSS_ASSEMBLE
- md_number_to_chars(*where, syment->n_value, sizeof(syment->n_value));
- *where += sizeof(syment->n_value);
- md_number_to_chars(*where, syment->n_scnum, sizeof(syment->n_scnum));
- *where += sizeof(syment->n_scnum);
- md_number_to_chars(*where, syment->n_type, sizeof(syment->n_type));
- *where += sizeof(syment->n_type);
- md_number_to_chars(*where, syment->n_sclass, sizeof(syment->n_sclass));
- *where += sizeof(syment->n_sclass);
- md_number_to_chars(*where, syment->n_numaux, sizeof(syment->n_numaux));
- *where += sizeof(syment->n_numaux);
-#else /* CROSS_ASSEMBLE */
- append(where, (char *) syment, sizeof(*syment));
-#endif /* CROSS_ASSEMBLE */
-
- /* Should do the following : if (.file entry) MD(..)... else if (static entry) MD(..) */
- if (numaux > OBJ_COFF_MAX_AUXENTRIES) {
- as_bad("Internal error? too many auxents for symbol");
- } /* too many auxents */
-
- for (i = 0; i < numaux; ++i) {
-#ifdef CROSS_ASSEMBLE
-#if 0 /* This code has never been tested */
- /* The most common case, x_sym entry. */
- if ((SF_GET(symbolP) & (SF_FILE | SF_STATICS)) == 0) {
- md_number_to_chars(*where, auxP->x_sym.x_tagndx, sizeof(auxP->x_sym.x_tagndx));
- *where += sizeof(auxP->x_sym.x_tagndx);
- if (ISFCN(type)) {
- md_number_to_chars(*where, auxP->x_sym.x_misc.x_fsize, sizeof(auxP->x_sym.x_misc.x_fsize));
- *where += sizeof(auxP->x_sym.x_misc.x_fsize);
- } else {
- md_number_to_chars(*where, auxP->x_sym.x_misc.x_lnno, sizeof(auxP->x_sym.x_misc.x_lnno));
- *where += sizeof(auxP->x_sym.x_misc.x_lnno);
- md_number_to_chars(*where, auxP->x_sym.x_misc.x_size, sizeof(auxP->x_sym.x_misc.x_size));
- *where += sizeof(auxP->x_sym.x_misc.x_size);
- }
- if (ISARY(type)) {
- register int index;
- for (index = 0; index < DIMNUM; index++)
- md_number_to_chars(*where, auxP->x_sym.x_fcnary.x_ary.x_dimen[index], sizeof(auxP->x_sym.x_fcnary.x_ary.x_dimen[index]));
- *where += sizeof(auxP->x_sym.x_fcnary.x_ary.x_dimen[index]);
- } else {
- md_number_to_chars(*where, auxP->x_sym.x_fcnary.x_fcn.x_lnnoptr, sizeof(auxP->x_sym.x_fcnary.x_fcn.x_lnnoptr));
- *where += sizeof(auxP->x_sym.x_fcnary.x_fcn.x_lnnoptr);
- md_number_to_chars(*where, auxP->x_sym.x_fcnary.x_fcn.x_endndx, sizeof(auxP->x_sym.x_fcnary.x_fcn.x_endndx));
- *where += sizeof(auxP->x_sym.x_fcnary.x_fcn.x_endndx);
- }
- md_number_to_chars(*where, auxP->x_sym.x_tvndx, sizeof(auxP->x_sym.x_tvndx));
- *where += sizeof(auxP->x_sym.x_tvndx);
- } else if (SF_GET_FILE(symbolP)) { /* .file */
- ;
- } else if (SF_GET_STATICS(symbolP)) { /* .text, .data, .bss symbols */
- md_number_to_chars(*where, auxP->x_scn.x_scnlen, sizeof(auxP->x_scn.x_scnlen));
- *where += sizeof(auxP->x_scn.x_scnlen);
- md_number_to_chars(*where, auxP->x_scn.x_nreloc, sizeof(auxP->x_scn.x_nreloc));
- *where += sizeof(auxP->x_scn.x_nreloc);
- md_number_to_chars(*where, auxP->x_scn.x_nlinno, sizeof(auxP->x_scn.x_nlinno));
- *where += sizeof(auxP->x_scn.x_nlinno);
- }
-#endif /* 0 */
-#else /* CROSS_ASSEMBLE */
- append(where, (char *) &symbolP->sy_symbol.ost_auxent[i], sizeof(symbolP->sy_symbol.ost_auxent[i]));
-#endif /* CROSS_ASSEMBLE */
+ tag_insert (S_GET_NAME (symbolP), symbolP);
+#ifdef BFD_ASSEMBLER
+ symbol_table_insert (symbolP);
+#endif
+ } /* not found */
- }; /* for each aux in use */
+ return symbolP;
+}
- return;
-} /* obj_symbol_to_chars() */
+/* We accept the .bss directive to set the section for backward
+ compatibility with earlier versions of gas. */
-static void c_section_header_append(where, header)
-char **where;
-SCNHDR *header;
+static void
+obj_coff_bss (ignore)
+ int ignore ATTRIBUTE_UNUSED;
{
-#ifdef CROSS_ASSEMBLE
- md_number_to_chars(*where, header->s_paddr, sizeof(header->s_paddr));
- *where += sizeof(header->s_paddr);
+ if (*input_line_pointer == '\n')
+ subseg_new (".bss", get_absolute_expression ());
+ else
+ s_lcomm (0);
+}
- md_number_to_chars(*where, header->s_vaddr, sizeof(header->s_vaddr));
- *where += sizeof(header->s_vaddr);
+/* Handle .weak. This is a GNU extension. */
- md_number_to_chars(*where, header->s_size, sizeof(header->s_size));
- *where += sizeof(header->s_size);
+static void
+obj_coff_weak (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+ char *name;
+ int c;
+ symbolS *symbolP;
+
+ do
+ {
+ name = input_line_pointer;
+ c = get_symbol_end ();
+ symbolP = symbol_find_or_make (name);
+ *input_line_pointer = c;
+ SKIP_WHITESPACE ();
+
+#ifdef BFD_ASSEMLER
+ S_SET_WEAK (symbolP);
+#endif
+
+#ifdef TE_PE
+ S_SET_STORAGE_CLASS (symbolP, C_NT_WEAK);
+#else
+ S_SET_STORAGE_CLASS (symbolP, C_WEAKEXT);
+#endif
- md_number_to_chars(*where, header->s_scnptr, sizeof(header->s_scnptr));
- *where += sizeof(header->s_scnptr);
+ if (c == ',')
+ {
+ input_line_pointer++;
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer == '\n')
+ c = '\n';
+ }
+ }
+ while (c == ',');
- md_number_to_chars(*where, header->s_relptr, sizeof(header->s_relptr));
- *where += sizeof(header->s_relptr);
+ demand_empty_rest_of_line ();
+}
- md_number_to_chars(*where, header->s_lnnoptr, sizeof(header->s_lnnoptr));
- *where += sizeof(header->s_lnnoptr);
+#ifdef BFD_ASSEMBLER
- md_number_to_chars(*where, header->s_nreloc, sizeof(header->s_nreloc));
- *where += sizeof(header->s_nreloc);
+static void SA_SET_SYM_TAGNDX PARAMS ((symbolS *, symbolS *));
- md_number_to_chars(*where, header->s_nlnno, sizeof(header->s_nlnno));
- *where += sizeof(header->s_nlnno);
+#define GET_FILENAME_STRING(X) \
+((char*)(&((X)->sy_symbol.ost_auxent->x_file.x_n.x_offset))[1])
- md_number_to_chars(*where, header->s_flags, sizeof(header->s_flags));
- *where += sizeof(header->s_flags);
+/* @@ Ick. */
+static segT
+fetch_coff_debug_section ()
+{
+ static segT debug_section;
+ if (!debug_section)
+ {
+ CONST asymbol *s;
+ s = bfd_make_debug_symbol (stdoutput, (char *) 0, 0);
+ assert (s != 0);
+ debug_section = s->section;
+ }
+ return debug_section;
+}
-#else /* CROSS_ASSEMBLE */
+void
+SA_SET_SYM_ENDNDX (sym, val)
+ symbolS *sym;
+ symbolS *val;
+{
+ combined_entry_type *entry, *p;
- append(where, (char *) header, sizeof(*header));
+ entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1];
+ p = coffsymbol (symbol_get_bfdsym (val))->native;
+ entry->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p = p;
+ entry->fix_end = 1;
+}
-#endif /* CROSS_ASSEMBLE */
+static void
+SA_SET_SYM_TAGNDX (sym, val)
+ symbolS *sym;
+ symbolS *val;
+{
+ combined_entry_type *entry, *p;
- return;
-} /* c_section_header_append() */
+ entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1];
+ p = coffsymbol (symbol_get_bfdsym (val))->native;
+ entry->u.auxent.x_sym.x_tagndx.p = p;
+ entry->fix_tag = 1;
+}
+static int
+S_GET_DATA_TYPE (sym)
+ symbolS *sym;
+{
+ return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type;
+}
-void obj_emit_symbols(where, symbol_rootP)
-char **where;
-symbolS *symbol_rootP;
+int
+S_SET_DATA_TYPE (sym, val)
+ symbolS *sym;
+ int val;
{
- symbolS *symbolP;
- /*
- * 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;
+ coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type = val;
+ return val;
+}
- tc_coff_symbol_emit_hook(symbolP);
+int
+S_GET_STORAGE_CLASS (sym)
+ symbolS *sym;
+{
+ return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass;
+}
- temp = S_GET_NAME(symbolP);
- if (SF_GET_STRING(symbolP)) {
- S_SET_OFFSET(symbolP, symbolP->sy_name_offset);
- S_SET_ZEROES(symbolP, 0);
- } else {
- bzero(symbolP->sy_symbol.ost_entry.n_name, SYMNMLEN);
- strncpy(symbolP->sy_symbol.ost_entry.n_name, temp, SYMNMLEN);
- }
- obj_symbol_to_chars(where, symbolP);
- S_SET_NAME(symbolP,temp);
- }
-} /* obj_emit_symbols() */
+int
+S_SET_STORAGE_CLASS (sym, val)
+ symbolS *sym;
+ int val;
+{
+ coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass = val;
+ return val;
+}
/* Merge a debug symbol containing debug information into a normal symbol. */
-void c_symbol_merge(debug, normal)
-symbolS *debug;
-symbolS *normal;
+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));
+ 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], S_GET_NUMBER_AUXILIARY(debug) * AUXESZ);
- } /* Move all the auxiliary information */
+ if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal))
+ {
+ /* take the most we have */
+ S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug));
+ }
- /* Move the debug flags. */
- SF_SET_DEBUG_FIELD(normal, SF_GET_DEBUG_FIELD(debug));
-} /* c_symbol_merge() */
+ if (S_GET_NUMBER_AUXILIARY (debug) > 0)
+ {
+ /* Move all the auxiliary information. */
+ memcpy (SYM_AUXINFO (normal), SYM_AUXINFO (debug),
+ (S_GET_NUMBER_AUXILIARY (debug)
+ * sizeof (*SYM_AUXINFO (debug))));
+ }
-static symbolS *previous_file_symbol = NULL;
+ /* Move the debug flags. */
+ SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug));
+}
-void c_dot_file_symbol(filename)
-char *filename;
+void
+c_dot_file_symbol (filename)
+ char *filename;
{
- symbolS* symbolP;
+ symbolS *symbolP;
- symbolP = symbol_new(".file",
- SEG_DEBUG,
- 0,
- &zero_address_frag);
+ /* BFD converts filename to a .file symbol with an aux entry. It
+ also handles chaining. */
+ symbolP = symbol_new (filename, bfd_abs_section_ptr, 0, &zero_address_frag);
- S_SET_STORAGE_CLASS(symbolP, C_FILE);
- S_SET_NUMBER_AUXILIARY(symbolP, 1);
- SA_SET_FILE_FNAME(symbolP, filename);
- SF_SET_DEBUG(symbolP);
- S_SET_VALUE(symbolP, (long) previous_file_symbol);
+ S_SET_STORAGE_CLASS (symbolP, C_FILE);
+ S_SET_NUMBER_AUXILIARY (symbolP, 1);
- previous_file_symbol = symbolP;
+ symbol_get_bfdsym (symbolP)->flags = BSF_DEBUGGING;
- /* 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.
- */
+#ifndef NO_LISTING
+ {
+ extern int listing;
+ if (listing)
+ {
+ listing_source_file (filename);
+ }
+ }
+#endif
-char *c_section_symbol(name, value, length, nreloc, nlnno)
-char *name;
-long value;
-long length;
-unsigned short nreloc;
-unsigned short nlnno;
-{
- symbolS *symbolP;
-
- symbolP = symbol_new(name,
- (name[1] == 't'
- ? SEG_TEXT
- : (name[1] == 'd'
- ? SEG_DATA
- : SEG_BSS)),
- value,
- &zero_address_frag);
-
- S_SET_STORAGE_CLASS(symbolP, C_STAT);
- S_SET_NUMBER_AUXILIARY(symbolP, 1);
-
- SA_SET_SCN_SCNLEN(symbolP, length);
- SA_SET_SCN_NRELOC(symbolP, nreloc);
- SA_SET_SCN_NLINNO(symbolP, nlnno);
-
- SF_SET_STATICS(symbolP);
-
- return (char*)symbolP;
-} /* c_section_symbol() */
-
-void c_section_header(header,
- name,
- core_address,
- size,
- data_ptr,
- reloc_ptr,
- lineno_ptr,
- reloc_number,
- lineno_number,
- alignment)
-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;
-{
- strncpy(header->s_name, name, 8);
- header->s_paddr = header->s_vaddr = core_address;
- header->s_scnptr = ((header->s_size = size) != 0) ? data_ptr : 0;
- header->s_relptr = reloc_ptr;
- header->s_lnnoptr = lineno_ptr;
- header->s_nreloc = reloc_number;
- header->s_nlnno = lineno_number;
-
-#ifdef OBJ_COFF_SECTION_HEADER_HAS_ALIGNMENT
-#ifdef OBJ_COFF_BROKEN_ALIGNMENT
- header->s_align = ((name[1] == 'b' || (size > 0)) ? 16 : 0);
-#else
- header->s_align = ((alignment == 0)
- ? 0
- : (1 << alignment));
-#endif /* OBJ_COFF_BROKEN_ALIGNMENT */
-#endif /* OBJ_COFF_SECTION_HEADER_HAS_ALIGNMENT */
-
- header->s_flags = STYP_REG | (name[1] == 't'
- ? STYP_TEXT
- : (name[1] == 'd'
- ? STYP_DATA
- : (name[1] == 'b'
- ? STYP_BSS
- : STYP_INFO)));
- return;
-} /* c_section_header() */
+ /* Make sure that the symbol is first on the symbol chain */
+ if (symbol_rootP != symbolP)
+ {
+ symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
+ symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP);
+ } /* if not first on the list */
+}
/* Line number handling */
-int function_lineoff = -1; /* Offset in line#s where the last function
- started (the odd entry for line #0) */
-int text_lineno_number = 0;
-int our_lineno_number = 0; /* we use this to build pointers from .bf's
- into the linetable. It should match
- exactly the values that are later
- assigned in text_lineno_number by
- write.c. */
-lineno* lineno_lastP = (lineno*)0;
+struct line_no {
+ struct line_no *next;
+ fragS *frag;
+ alent l;
+};
-int
-c_line_new(paddr, line_number, frag)
-long paddr;
-unsigned short line_number;
-fragS* frag;
-{
- lineno* new_line = (lineno*)xmalloc(sizeof(lineno));
-
- new_line->line.l_addr.l_paddr = paddr;
- new_line->line.l_lnno = line_number;
- new_line->frag = (char*)frag;
- new_line->next = (lineno*)0;
-
- if (lineno_rootP == (lineno*)0)
- lineno_rootP = new_line;
- else
- lineno_lastP->next = new_line;
- lineno_lastP = new_line;
- return LINESZ * our_lineno_number++;
-}
-
-void obj_emit_lineno(where, line, file_start)
-char **where;
-lineno *line;
-char *file_start;
-{
- LINENO *line_entry;
-
- for (; line; line = line->next) {
- line_entry = &line->line;
-
- /* FIXME-SOMEDAY Resolving the sy_number of function linno's used to be done in
- write_object_file() but their symbols need a fileptr to the lnno, so
- I moved this resolution check here. xoxorich. */
-
- if (line_entry->l_lnno == 0) {
- /* There is a good chance that the symbol pointed to
- is not the one that will be emitted and that the
- sy_number is not accurate. */
-/* char *name; */
- symbolS *symbolP;
-
- symbolP = (symbolS *) line_entry->l_addr.l_symndx;
-
- line_entry->l_addr.l_symndx = symbolP->sy_number;
- symbolP->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_lnnoptr = *where - file_start;
-
- } /* if this is a function linno */
-
- /* No matter which member of the union we process, they are
- both long. */
-#ifdef CROSS_ASSEMBLE
- md_number_to_chars(*where, line_entry->l_addr.l_paddr, sizeof(line_entry->l_addr.l_paddr));
- *where += sizeof(line_entry->l_addr.l_paddr);
-
- md_number_to_chars(*where, line_entry->l_lnno, sizeof(line_entry->l_lnno));
- *where += sizeof(line_entry->l_lnno);
-#else /* CROSS_ASSEMBLE */
- append(where, (char *) line_entry, LINESZ);
-#endif /* CROSS_ASSEMBLE */
-
- } /* for each line number */
-
- return ;
-} /* obj_emit_lineno() */
-
-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 */
- bzero((char*)&symbolP->sy_symbol.ost_auxent[0], AUXESZ);
-
-#if STRIP_UNDERSCORE
- /* Remove leading underscore at the beginning of the symbol.
- * This is to be compatible with the standard librairies.
- */
- if (*S_GET_NAME(symbolP) == '_') {
- underscore = 1;
- S_SET_NAME(symbolP, S_GET_NAME(symbolP) + 1);
- } /* strip underscore */
-#endif /* STRIP_UNDERSCORE */
+int coff_line_base;
- if (S_IS_STRING(symbolP))
- SF_SET_STRING(symbolP);
- if (!underscore && S_IS_LOCAL(symbolP))
- SF_SET_LOCAL(symbolP);
+/* Symbol of last function, which we should hang line#s off of. */
+static symbolS *line_fsym;
- return;
-} /* obj_symbol_new_hook() */
+#define in_function() (line_fsym != 0)
+#define clear_function() (line_fsym = 0)
+#define set_function(F) (line_fsym = (F), coff_add_linesym (F))
- /* stack stuff */
-stack* stack_init(chunk_size, element_size)
-unsigned long chunk_size;
-unsigned long element_size;
+\f
+void
+coff_obj_symbol_new_hook (symbolP)
+ symbolS *symbolP;
{
- stack* st;
+ long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type);
+ char * s = (char *) xmalloc (sz);
+
+ memset (s, 0, sz);
+ coffsymbol (symbol_get_bfdsym (symbolP))->native = (combined_entry_type *) s;
+
+ S_SET_DATA_TYPE (symbolP, T_NULL);
+ S_SET_STORAGE_CLASS (symbolP, 0);
+ S_SET_NUMBER_AUXILIARY (symbolP, 0);
+
+ if (S_IS_STRING (symbolP))
+ SF_SET_STRING (symbolP);
+
+ if (S_IS_LOCAL (symbolP))
+ SF_SET_LOCAL (symbolP);
+}
- if ((st = (stack*)malloc(sizeof(stack))) == (stack*)0)
- return (stack*)0;
- if ((st->data = malloc(chunk_size)) == (char*)0) {
- free(st);
- return (stack*)0;
- }
- st->pointer = 0;
- st->size = chunk_size;
- st->chunk_size = chunk_size;
- st->element_size = element_size;
- return st;
-} /* stack_init() */
+\f
+/*
+ * Handle .ln directives.
+ */
-void stack_delete(st)
-stack* st;
+static symbolS *current_lineno_sym;
+static struct line_no *line_nos;
+/* @@ Blindly assume all .ln directives will be in the .text section... */
+int coff_n_line_nos;
+
+static void
+add_lineno (frag, offset, num)
+ fragS *frag;
+ addressT offset;
+ int num;
{
- free(st->data);
- free(st);
+ struct line_no *new_line =
+ (struct line_no *) xmalloc (sizeof (struct line_no));
+ if (!current_lineno_sym)
+ {
+ abort ();
+ }
+ if (num <= 0)
+ {
+ /* Zero is used as an end marker in the file. */
+ as_warn (_("Line numbers must be positive integers\n"));
+ num = 1;
+ }
+ new_line->next = line_nos;
+ new_line->frag = frag;
+ new_line->l.line_number = num;
+ new_line->l.u.offset = offset;
+ line_nos = new_line;
+ coff_n_line_nos++;
}
-char *stack_push(st, element)
-stack *st;
-char *element;
+void
+coff_add_linesym (sym)
+ symbolS *sym;
{
- 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;
-} /* stack_push() */
+ if (line_nos)
+ {
+ coffsymbol (symbol_get_bfdsym (current_lineno_sym))->lineno =
+ (alent *) line_nos;
+ coff_n_line_nos++;
+ line_nos = 0;
+ }
+ current_lineno_sym = sym;
+}
-char* stack_pop(st)
-stack* st;
+static void
+obj_coff_ln (appline)
+ int appline;
{
- if ((st->pointer -= st->element_size) < 0) {
- st->pointer = 0;
- return (char*)0;
+ int l;
+
+ if (! appline && def_symbol_in_progress != NULL)
+ {
+ as_warn (_(".ln pseudo-op inside .def/.endef: ignored."));
+ demand_empty_rest_of_line ();
+ return;
+ }
+
+ l = get_absolute_expression ();
+ if (!appline)
+ {
+ add_lineno (frag_now, frag_now_fix (), l);
}
- return st->data + st->pointer;
+
+ if (appline)
+ new_logical_line ((char *) NULL, l - 1);
+
+#ifndef NO_LISTING
+ {
+ extern int listing;
+
+ if (listing)
+ {
+ if (! appline)
+ l += coff_line_base - 1;
+ listing_source_line (l);
+ }
+ }
+#endif
+
+ demand_empty_rest_of_line ();
}
-char* stack_top(st)
-stack* st;
+/* .loc is essentially the same as .ln; parse it for assembler
+ compatibility. */
+
+static void
+obj_coff_loc (ignore)
+ int ignore ATTRIBUTE_UNUSED;
{
- return st->data + st->pointer - st->element_size;
-}
+ int lineno;
+
+ /* FIXME: Why do we need this check? We need it for ECOFF, but why
+ do we need it for COFF? */
+ if (now_seg != text_section)
+ {
+ as_warn (_(".loc outside of .text"));
+ demand_empty_rest_of_line ();
+ return;
+ }
+
+ if (def_symbol_in_progress != NULL)
+ {
+ as_warn (_(".loc pseudo-op inside .def/.endef: ignored."));
+ demand_empty_rest_of_line ();
+ return;
+ }
+ /* Skip the file number. */
+ SKIP_WHITESPACE ();
+ get_absolute_expression ();
+ SKIP_WHITESPACE ();
-/*
- * Handle .ln directives.
- */
+ lineno = get_absolute_expression ();
+
+#ifndef NO_LISTING
+ {
+ extern int listing;
+
+ if (listing)
+ {
+ lineno += coff_line_base - 1;
+ listing_source_line (lineno);
+ }
+ }
+#endif
+
+ demand_empty_rest_of_line ();
-static void obj_coff_ln() {
- if (def_symbol_in_progress != NULL) {
- as_warn(".ln pseudo-op inside .def/.endef: ignored.");
- demand_empty_rest_of_line();
- return;
- } /* wrong context */
+ add_lineno (frag_now, frag_now_fix (), lineno);
+}
+
+/* Handle the .ident pseudo-op. */
- c_line_new(obstack_next_free(&frags) - frag_now->fr_literal,
- get_absolute_expression(),
- frag_now);
+static void
+obj_coff_ident (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+ segT current_seg = now_seg;
+ subsegT current_subseg = now_subseg;
+
+#ifdef TE_PE
+ {
+ segT sec;
+
+ /* We could put it in .comment, but that creates an extra section
+ that shouldn't be loaded into memory, which requires linker
+ changes... For now, until proven otherwise, use .rdata. */
+ sec = subseg_new (".rdata$zzz", 0);
+ bfd_set_section_flags (stdoutput, sec,
+ ((SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA)
+ & bfd_applicable_section_flags (stdoutput)));
+ }
+#else
+ subseg_new (".comment", 0);
+#endif
- demand_empty_rest_of_line();
- return;
-} /* obj_coff_line() */
+ stringer (1);
+ subseg_set (current_seg, current_subseg);
+}
/*
* def()
#define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';')
#define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \
- *input_line_pointer == '\t') \
- input_line_pointer++;
+ *input_line_pointer == '\t') \
+ input_line_pointer++;
-static void obj_coff_def(what)
-int what;
-{
- char name_end; /* Char after the end of name */
- char *symbol_name; /* Name of the debug symbol */
- char *symbol_name_copy; /* Temporary copy of the name */
- unsigned int symbol_name_length;
- /*$char* directiveP;$ */ /* Name of the pseudo opcode */
- /*$char directive[MAX_DIRECTIVE];$ */ /* Backup of the directive */
- /*$char end = 0;$ */ /* If 1, stop parsing */
-
- 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));
- bzero(def_symbol_in_progress, 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 */
-#if 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);
+static void
+obj_coff_def (what)
+ int what ATTRIBUTE_UNUSED;
+{
+ 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 ();
+
+ symbol_name = input_line_pointer;
+#ifdef STRIP_UNDERSCORE
+ if (symbol_name[0] == '_' && symbol_name[1] != 0)
+ symbol_name++;
#endif /* STRIP_UNDERSCORE */
- /* free(symbol_name_copy); */
- def_symbol_in_progress->sy_name_offset = ~0;
- def_symbol_in_progress->sy_number = ~0;
- def_symbol_in_progress->sy_frag = &zero_address_frag;
- if (S_IS_STRING(def_symbol_in_progress)) {
- SF_SET_STRING(def_symbol_in_progress);
- } /* "long" name */
+ 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);
+#ifdef tc_canonicalize_symbol_name
+ symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy);
+#endif
- *input_line_pointer = name_end;
+ /* Initialize the new symbol */
+ def_symbol_in_progress = symbol_make (symbol_name_copy);
+ symbol_set_frag (def_symbol_in_progress, &zero_address_frag);
+ S_SET_VALUE (def_symbol_in_progress, 0);
- demand_empty_rest_of_line();
- return;
-} /* obj_coff_def() */
+ 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() {
- symbolS *symbolP;
-/* 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_TEXT);
-
- if (def_symbol_in_progress->sy_symbol.ost_entry.n_name[1] == 'b') { /* .bf */
- if (function_lineoff < 0) {
- fprintf(stderr, "`.bf' symbol without preceding function\n");
- } /* missing function symbol */
- SA_GET_SYM_LNNOPTR(def_symbol_in_progress) = function_lineoff;
- SF_SET_PROCESS(def_symbol_in_progress); /* Will need relocating */
- function_lineoff = -1;
- }
+static void
+obj_coff_endef (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+ symbolS *symbolP;
+
+ /* 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, fetch_coff_debug_section ());
+ 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:
+ {
+ CONST char *name;
+ S_SET_SEGMENT (def_symbol_in_progress, text_section);
+
+ name = S_GET_NAME (def_symbol_in_progress);
+ if (name[0] == '.' && name[2] == 'f' && name[3] == '\0')
+ {
+ switch (name[1])
+ {
+ case 'b':
+ /* .bf */
+ if (! in_function ())
+ as_warn (_("`%s' symbol without preceding function"), name);
+ /* Will need relocating. */
+ SF_SET_PROCESS (def_symbol_in_progress);
+ clear_function ();
break;
+#ifdef TE_PE
+ case 'e':
+ /* .ef */
+ /* The MS compilers output the actual endline, not the
+ function-relative one... we want to match without
+ changing the assembler input. */
+ SA_SET_SYM_LNNO (def_symbol_in_progress,
+ (SA_GET_SYM_LNNO (def_symbol_in_progress)
+ + coff_line_base));
+ break;
+#endif
+ }
+ }
+ }
+ break;
#ifdef C_AUTOARG
- case 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, SEG_ABSOLUTE);
- break;
+ case C_AUTO:
+ case C_REG:
+ case C_ARG:
+ case C_REGPARM:
+ case C_FIELD:
+ SF_SET_DEBUG (def_symbol_in_progress);
+ S_SET_SEGMENT (def_symbol_in_progress, absolute_section);
+ break;
+
+ case C_MOS:
+ case C_MOE:
+ case C_MOU:
+ case C_EOS:
+ S_SET_SEGMENT (def_symbol_in_progress, absolute_section);
+ break;
+
+ case C_EXT:
+ case C_WEAKEXT:
+#ifdef TE_PE
+ case C_NT_WEAK:
+#endif
+ case C_STAT:
+ case C_LABEL:
+ /* Valid but set somewhere else (s_comm, s_lcomm, colon) */
+ break;
+
+ default:
+ 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 obj_crawl_symbol_chain() 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
+ || (!strcmp (bfd_get_section_name (stdoutput,
+ S_GET_SEGMENT (def_symbol_in_progress)),
+ "*DEBUG*")
+ && !SF_GET_TAG (def_symbol_in_progress))
+ || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section
+ || ! symbol_constant_p (def_symbol_in_progress)
+ || (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))
+ {
+ /* 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);
+ }
+ }
+ 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] */
- case C_EXT:
- case C_STAT:
- case C_LABEL:
- /* Valid but set somewhere else (s_comm, s_lcomm, colon) */
- break;
+ /* The debug entry (def_symbol_in_progress) is merged into the
+ previous definition. */
- 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 SEG_ABSOLUTE or
- untagged SEG_DEBUG it never merges. */
-
- /* 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 obj_crawl_symbol_chain() 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_SEGMENT(def_symbol_in_progress) == SEG_DEBUG
- && !SF_GET_TAG(def_symbol_in_progress))
- || S_GET_SEGMENT(def_symbol_in_progress) == SEG_ABSOLUTE
- || (symbolP = symbol_find_base(S_GET_NAME(def_symbol_in_progress), DO_NOT_STRIP)) == NULL) {
-
- 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 symbol is a {structure,union} tag, associate symbol to its name. */
-
- if (SF_GET_FUNCTION(def_symbol_in_progress)) {
- know(sizeof(def_symbol_in_progress) <= sizeof(long));
- function_lineoff = c_line_new((long) def_symbol_in_progress, 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();
- return;
-} /* obj_coff_endef() */
-#if 0
-This code expects all the dims to be after one another, and that is not true
-for gcc960
-sac@cygnus.com
-static void obj_coff_dim() {
- register int dim_index;
+ c_symbol_merge (def_symbol_in_progress, symbolP);
+ symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP);
- 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 */
+ def_symbol_in_progress = symbolP;
- S_SET_NUMBER_AUXILIARY(def_symbol_in_progress, 1);
+ if (SF_GET_FUNCTION (def_symbol_in_progress)
+ || SF_GET_TAG (def_symbol_in_progress)
+ || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT)
+ {
+ /* For functions, and tags, and static symbols, 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);
+ }
+ }
+ }
- for (dim_index = 0; dim_index < DIMNUM; dim_index++) {
- SKIP_WHITESPACES();
- SA_SET_SYM_DIMEN(def_symbol_in_progress, dim_index, get_absolute_expression());
+ if (SF_GET_TAG (def_symbol_in_progress))
+ {
+ symbolS *oldtag;
- switch (*input_line_pointer) {
+ oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress),
+ DO_NOT_STRIP);
+ if (oldtag == NULL || ! SF_GET_TAG (oldtag))
+ tag_insert (S_GET_NAME (def_symbol_in_progress),
+ def_symbol_in_progress);
+ }
- case ',':
- input_line_pointer++;
- break;
+ if (SF_GET_FUNCTION (def_symbol_in_progress))
+ {
+ know (sizeof (def_symbol_in_progress) <= sizeof (long));
+ set_function (def_symbol_in_progress);
+ SF_SET_PROCESS (def_symbol_in_progress);
- default:
- as_warn("badly formed .dim directive ignored");
- /* intentional fallthrough */
- case ';':
- dim_index = DIMNUM;
- break;
- } /* switch on following character */
- } /* for each dimension */
-
- demand_empty_rest_of_line();
- return;
-} /* obj_coff_dim() */
-#else
+ 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()
+static void
+obj_coff_dim (ignore)
+ int ignore ATTRIBUTE_UNUSED;
{
- 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 */
+ 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);
- 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 ());
- /* Grab as many dims as we can fit, until ; or full */
- while (dim_index < DIMNUM)
+ switch (*input_line_pointer)
{
- SKIP_WHITESPACES();
- SA_SET_SYM_DIMEN(def_symbol_in_progress, dim_index, get_absolute_expression());
- dim_index++;
- if (*input_line_pointer == ';') break;
- if (*input_line_pointer != ',') {
- as_warn("badly formed .dim directive ignored");
- break;
- }
- 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();
- return;
-} /* obj_coff_dim() */
-#endif
-
-static void obj_coff_line() {
- if (def_symbol_in_progress == NULL) {
- obj_coff_ln();
- return;
- } /* if it looks like a stabs style line */
-
- S_SET_NUMBER_AUXILIARY(def_symbol_in_progress, 1);
- SA_SET_SYM_LNNO(def_symbol_in_progress, get_absolute_expression());
-
- demand_empty_rest_of_line();
- return;
-} /* obj_coff_line() */
-
-static void obj_coff_size() {
- 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();
- return;
-} /* obj_coff_size() */
-
-static void obj_coff_scl() {
- 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();
- return;
-} /* obj_coff_scl() */
-
-static void obj_coff_tag() {
- 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;
- } /* if not inside .def/.endef */
-
- 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();
- return;
-} /* obj_coff_tag() */
-
-static void obj_coff_type() {
- 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();
- return;
-} /* obj_coff_type() */
-
-static void obj_coff_val() {
- 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, obstack_next_free(&frags) - frag_now->fr_literal);
- /* 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_forward = symbol_find_or_make(symbol_name);
-
- /* If the segment is undefined when the forward
- reference is solved, then copy the segment id
- from the forward symbol. */
- SF_SET_GET_SEGMENT(def_symbol_in_progress);
- }
- /* Otherwise, it is the name of a non debug symbol and its value will be calculated later. */
- *input_line_pointer = name_end;
- } else {
- S_SET_VALUE(def_symbol_in_progress, get_absolute_expression());
- } /* if symbol based */
+ }
- demand_empty_rest_of_line();
- return;
-} /* obj_coff_val() */
+ demand_empty_rest_of_line ();
+}
-/*
- * Maintain a list of the tagnames of the structres.
- */
+static void
+obj_coff_line (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+ int this_base;
+
+ if (def_symbol_in_progress == NULL)
+ {
+ /* Probably stabs-style line? */
+ obj_coff_ln (0);
+ return;
+ }
-static void tag_init() {
- tag_hash = hash_new();
- return ;
-} /* tag_init() */
+ this_base = get_absolute_expression ();
+ if (!strcmp (".bf", S_GET_NAME (def_symbol_in_progress)))
+ coff_line_base = this_base;
-static void tag_insert(name, symbolP)
-char *name;
-symbolS *symbolP;
+ S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
+ SA_SET_SYM_LNNO (def_symbol_in_progress, this_base);
+
+ demand_empty_rest_of_line ();
+
+#ifndef NO_LISTING
+ if (strcmp (".bf", S_GET_NAME (def_symbol_in_progress)) == 0)
+ {
+ extern int listing;
+
+ if (listing)
+ listing_source_line ((unsigned int) this_base);
+ }
+#endif
+}
+
+static void
+obj_coff_size (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+ 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 ATTRIBUTE_UNUSED;
{
- register char * error_string;
+ 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 ();
+}
- if (*(error_string = hash_jam(tag_hash, name, (char *)symbolP))) {
- as_fatal("Inserting \"%s\" into structure table failed: %s",
- name, error_string);
- }
- return ;
-} /* tag_insert() */
+static void
+obj_coff_tag (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+ 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 ();
+
+#ifdef tc_canonicalize_symbol_name
+ symbol_name = tc_canonicalize_symbol_name (symbol_name);
+#endif
+
+ /* 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,
+ 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 ATTRIBUTE_UNUSED;
+{
+ 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 symbolS *tag_find_or_make(name)
-char *name;
+static void
+obj_coff_val (ignore)
+ int ignore ATTRIBUTE_UNUSED;
{
- symbolS *symbolP;
+ 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 ();
+
+#ifdef tc_canonicalize_symbol_name
+ symbol_name = tc_canonicalize_symbol_name (symbol_name);
+#endif
+ if (!strcmp (symbol_name, "."))
+ {
+ symbol_set_frag (def_symbol_in_progress, 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))
+ {
+ expressionS exp;
+
+ exp.X_op = O_symbol;
+ exp.X_add_symbol = symbol_find_or_make (symbol_name);
+ exp.X_op_symbol = NULL;
+ exp.X_add_number = 0;
+ symbol_set_value_expression (def_symbol_in_progress, &exp);
+
+ /* 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;
+ }
+ else
+ {
+ S_SET_VALUE (def_symbol_in_progress, get_absolute_expression ());
+ } /* if symbol based */
+
+ demand_empty_rest_of_line ();
+}
- if ((symbolP = tag_find(name)) == NULL) {
- symbolP = symbol_new(name,
- SEG_UNKNOWN,
- 0,
- &zero_address_frag);
+void
+coff_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 ();
+}
- tag_insert(S_GET_NAME(symbolP), symbolP);
- symbol_table_insert(symbolP);
- } /* not found */
- return(symbolP);
-} /* tag_find_or_make() */
+symbolS *coff_last_function;
+static symbolS *coff_last_bf;
-static symbolS *tag_find(name)
-char *name;
+void
+coff_frob_symbol (symp, punt)
+ symbolS *symp;
+ int *punt;
{
-#if STRIP_UNDERSCORE
- if (*name == '_') name++;
-#endif /* STRIP_UNDERSCORE */
- return((symbolS*)hash_find(tag_hash, name));
-} /* tag_find() */
-
-void obj_read_begin_hook() {
- /* These had better be the same. Usually 18 bytes. */
- know(sizeof(SYMENT) == sizeof(AUXENT));
- know(SYMESZ == AUXESZ);
-
- tag_init();
-
- return;
-} /* obj_read_begin_hook() */
-
-void obj_crawl_symbol_chain(headers)
-object_headers *headers;
-{
- int symbol_number = 0;
- lineno *lineP;
- symbolS *last_functionP = NULL;
- symbolS *last_tagP;
- symbolS *symbolP;
- symbolS *symbol_externP = NULL;
- symbolS *symbol_extern_lastP = NULL;
-
- /* Initialize the stack used to keep track of the matching .bb .be */
- stack* block_stack = stack_init(512, sizeof(symbolS*));
-
- /* JF deal with forward references first... */
- for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next(symbolP)) {
- if (symbolP->sy_forward) {
- S_SET_VALUE(symbolP, (S_GET_VALUE(symbolP)
- + S_GET_VALUE(symbolP->sy_forward)
- + symbolP->sy_forward->sy_frag->fr_address));
-
- if (SF_GET_GET_SEGMENT(symbolP)) {
- S_SET_SEGMENT(symbolP, S_GET_SEGMENT(symbolP->sy_forward));
- } /* forward segment also */
-
- symbolP->sy_forward=0;
- } /* if it has a forward reference */
- } /* walk the symbol chain */
-
- tc_crawl_symbol_chain(headers);
-
- /* The symbol list should be ordered according to the following sequence
- * order :
- * . .file symbol
- * . debug entries for functions
- * . fake symbols for .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) {
- know(!previous_file_symbol);
- c_dot_file_symbol("fake");
- } /* Is there a .file symbol ? If not insert one at the beginning. */
-
- /*
- * Build up static symbols for .text, .data and .bss
- */
- dot_text_symbol = (symbolS*)
- c_section_symbol(".text",
- 0,
- H_GET_TEXT_SIZE(headers),
- 0/*text_relocation_number */,
- 0/*text_lineno_number */);
-
- dot_data_symbol = (symbolS*)
- c_section_symbol(".data",
- H_GET_TEXT_SIZE(headers),
- H_GET_DATA_SIZE(headers),
- 0/*data_relocation_number */,
- 0); /* There are no data lineno entries */
-
- dot_bss_symbol = (symbolS*)
- c_section_symbol(".bss",
- H_GET_TEXT_SIZE(headers) + H_GET_DATA_SIZE(headers),
- H_GET_BSS_SIZE(headers),
- 0, /* No relocation for a bss section. */
- 0); /* There are no bss lineno entries */
-
-#if defined(DEBUG)
- verify_symbol_chain(symbol_rootP, symbol_lastP);
-#endif /* DEBUG */
+ static symbolS *last_tagP;
+ static stack *block_stack;
+ static symbolS *set_end;
+ symbolS *next_set_end = NULL;
+
+ if (symp == &abs_symbol)
+ {
+ *punt = 1;
+ return;
+ }
- /* Three traversals of symbol chains here. The
- first traversal yanks externals into a temporary
- chain, removing the externals from the global
- chain, numbers symbols, and does some other guck.
- The second traversal is on the temporary chain of
- externals and just appends them to the global
- chain again, numbering them as we go. The third
- traversal patches pointers to symbols (using sym
- indexes). The last traversal was once done as
- part of the first pass, but that fails when a
- reference preceeds a definition as the definition
- has no number at the time we process the
- reference. */
-
- /* Note that symbolP will be NULL at the end of a loop
- if an external was at the beginning of the list (it
- gets moved off the list). Hence the weird check in
- the loop control.
- */
- 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)
- && (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_DATA)) {
- S_SET_SEGMENT(symbolP, SEG_TEXT);
- } /* push data into text */
-
- S_SET_VALUE(symbolP, S_GET_VALUE(symbolP) + symbolP->sy_frag->fr_address);
-
- if (!S_IS_DEFINED(symbolP) && !SF_GET_LOCAL(symbolP)) {
- S_SET_EXTERNAL(symbolP);
- } else if (S_GET_STORAGE_CLASS(symbolP) == C_NULL) {
- if (S_GET_SEGMENT(symbolP) == SEG_TEXT){
- S_SET_STORAGE_CLASS(symbolP, C_LABEL);
- } else {
- S_SET_STORAGE_CLASS(symbolP, C_STAT);
- }
- } /* no storage class yet */
-
- /* 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. */
- 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));
- }
- /* 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((symbolS *) S_GET_VALUE(symbolP), symbol_number);
- S_SET_VALUE(symbolP, 0);
- } /* 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 && !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 */
-
- 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 */
-
- /* When a tag reference preceeds the tag definition,
- the definition will not have a number at the time
- we process the reference during the first
- traversal. Thus, a second traversal. */
-
- for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next(symbolP)) {
- if (SF_GET_TAGGED(symbolP)) {
- SA_SET_SYM_TAGNDX(symbolP, ((symbolS*) SA_GET_SYM_TAGNDX(symbolP))->sy_number);
- } /* If the symbol has a tagndx entry, resolve it */
- } /* second traversal */
-
- know(symbol_externP == NULL);
- know(symbol_extern_lastP == NULL);
-
- /* FIXME-SOMEDAY I'm counting line no's here so we know what to put in the section
- headers, and I'm resolving the addresses since I'm not sure how to
- do it later. I am NOT resolving the linno's representing functions.
- Their symbols need a fileptr pointing to this linno when emitted.
- Thus, I resolve them on emit. xoxorich. */
-
- for (lineP = lineno_rootP; lineP; lineP = lineP->next) {
- if (lineP->line.l_lnno > 0) {
- lineP->line.l_addr.l_paddr += ((fragS*)lineP->frag)->fr_address;
- } else {
- ;
+ if (current_lineno_sym)
+ coff_add_linesym ((symbolS *) 0);
+
+ if (!block_stack)
+ block_stack = stack_init (512, sizeof (symbolS*));
+
+ if (S_IS_WEAK (symp))
+ {
+#ifdef TE_PE
+ S_SET_STORAGE_CLASS (symp, C_NT_WEAK);
+#else
+ S_SET_STORAGE_CLASS (symp, C_WEAKEXT);
+#endif
+ }
+
+ if (!S_IS_DEFINED (symp)
+ && !S_IS_WEAK (symp)
+ && S_GET_STORAGE_CLASS (symp) != C_STAT)
+ S_SET_STORAGE_CLASS (symp, C_EXT);
+
+ if (!SF_GET_DEBUG (symp))
+ {
+ symbolS *real;
+ if (!SF_GET_LOCAL (symp)
+ && !SF_GET_STATICS (symp)
+ && (real = symbol_find_base (S_GET_NAME (symp), DO_NOT_STRIP))
+ && real != symp)
+ {
+ c_symbol_merge (symp, real);
+ *punt = 1;
+ }
+ if (!S_IS_DEFINED (symp) && !SF_GET_LOCAL (symp))
+ {
+ assert (S_GET_VALUE (symp) == 0);
+ S_SET_EXTERNAL (symp);
+ }
+ else if (S_GET_STORAGE_CLASS (symp) == C_NULL)
+ {
+ if (S_GET_SEGMENT (symp) == text_section
+ && symp != seg_info (text_section)->sym)
+ S_SET_STORAGE_CLASS (symp, C_LABEL);
+ else
+ S_SET_STORAGE_CLASS (symp, C_STAT);
+ }
+ if (SF_GET_PROCESS (symp))
+ {
+ if (S_GET_STORAGE_CLASS (symp) == C_BLOCK)
+ {
+ if (!strcmp (S_GET_NAME (symp), ".bb"))
+ stack_push (block_stack, (char *) &symp);
+ else
+ {
+ symbolS *begin;
+ begin = *(symbolS **) stack_pop (block_stack);
+ if (begin == 0)
+ as_warn (_("mismatched .eb"));
+ else
+ next_set_end = begin;
}
- text_lineno_number++;
- } /* for each line number */
+ }
+ if (coff_last_function == 0 && SF_GET_FUNCTION (symp))
+ {
+ union internal_auxent *auxp;
+ coff_last_function = symp;
+ if (S_GET_NUMBER_AUXILIARY (symp) < 1)
+ S_SET_NUMBER_AUXILIARY (symp, 1);
+ auxp = SYM_AUXENT (symp);
+ memset (auxp->x_sym.x_fcnary.x_ary.x_dimen, 0,
+ sizeof (auxp->x_sym.x_fcnary.x_ary.x_dimen));
+ }
+ if (S_GET_STORAGE_CLASS (symp) == C_EFCN)
+ {
+ if (coff_last_function == 0)
+ as_fatal (_("C_EFCN symbol out of scope"));
+ SA_SET_SYM_FSIZE (coff_last_function,
+ (long) (S_GET_VALUE (symp)
+ - S_GET_VALUE (coff_last_function)));
+ next_set_end = coff_last_function;
+ coff_last_function = 0;
+ }
+ }
+ if (S_IS_EXTERNAL (symp))
+ S_SET_STORAGE_CLASS (symp, C_EXT);
+ else if (SF_GET_LOCAL (symp))
+ *punt = 1;
- H_SET_SYMBOL_TABLE_SIZE(headers, symbol_number);
+ if (SF_GET_FUNCTION (symp))
+ symbol_get_bfdsym (symp)->flags |= BSF_FUNCTION;
- return;
-} /* obj_crawl_symbol_chain() */
+ /* more ... */
+ }
-/*
- * Find strings by crawling along symbol table chain.
- */
+ /* Double check weak symbols. */
+ if (S_IS_WEAK (symp) && S_IS_COMMON (symp))
+ as_bad (_("Symbol `%s' can not be both weak and common"),
+ S_GET_NAME (symp));
+
+ if (SF_GET_TAG (symp))
+ last_tagP = symp;
+ else if (S_GET_STORAGE_CLASS (symp) == C_EOS)
+ next_set_end = last_tagP;
+
+#ifdef OBJ_XCOFF
+ /* This is pretty horrible, but we have to set *punt correctly in
+ order to call SA_SET_SYM_ENDNDX correctly. */
+ if (! symbol_used_in_reloc_p (symp)
+ && ((symbol_get_bfdsym (symp)->flags & BSF_SECTION_SYM) != 0
+ || (! S_IS_EXTERNAL (symp)
+ && ! symbol_get_tc (symp)->output
+ && S_GET_STORAGE_CLASS (symp) != C_FILE)))
+ *punt = 1;
+#endif
-void obj_emit_strings(where)
-char **where;
-{
- symbolS *symbolP;
-
-#ifdef CROSS_ASSEMBLE
- /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK */
- md_number_to_chars(*where, string_byte_count, sizeof(string_byte_count));
- where += sizeof(string_byte_count);
-#else /* CROSS_ASSEMBLE */
- append(where, (char *) &string_byte_count, (unsigned long) sizeof(string_byte_count));
-#endif /* CROSS_ASSEMBLE */
-
- for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next(symbolP)) {
- if (SF_GET_STRING(symbolP)) {
- append(where, S_GET_NAME(symbolP), (unsigned long)(strlen(S_GET_NAME(symbolP)) + 1));
- } /* if it has a string */
- } /* walk the symbol chain */
-
- return;
-} /* obj_emit_strings() */
-
-void obj_pre_write_hook(headers)
-object_headers *headers;
-{
- register int text_relocation_number = 0;
- register int data_relocation_number = 0;
- register fixS *fixP;
-
- /* FIXME-SOMEDAY this should be done at
- fixup_segment time but I'm going to wait until I
- do multiple segments. xoxorich. */
- /* Count the number of relocation entries for text and data */
- for (fixP = text_fix_root; fixP; fixP = fixP->fx_next) {
- if (fixP->fx_addsy) {
- ++text_relocation_number;
-#ifdef TC_I960
- /* two relocs per callj under coff. */
- if (fixP->fx_callj) {
- ++text_relocation_number;
- } /* if callj and not already fixed. */
-#endif /* TC_I960 */
+ if (set_end != (symbolS *) NULL
+ && ! *punt
+ && ((symbol_get_bfdsym (symp)->flags & BSF_NOT_AT_END) != 0
+ || (S_IS_DEFINED (symp)
+ && ! S_IS_COMMON (symp)
+ && (! S_IS_EXTERNAL (symp) || SF_GET_FUNCTION (symp)))))
+ {
+ SA_SET_SYM_ENDNDX (set_end, symp);
+ set_end = NULL;
+ }
- } /* if not yet fixed */
- } /* for each fix */
-
- SA_SET_SCN_NRELOC(dot_text_symbol, text_relocation_number);
- /* Assign the number of line number entries for the text section */
- SA_SET_SCN_NLINNO(dot_text_symbol, text_lineno_number);
- /* Assign the size of the section */
- SA_SET_SCN_SCNLEN(dot_text_symbol, H_GET_TEXT_SIZE(headers));
-
- for (fixP = data_fix_root; fixP; fixP = fixP->fx_next) {
- if (fixP->fx_addsy) {
- ++data_relocation_number;
- } /* if still relocatable */
- } /* for each fix */
-
- SA_SET_SCN_NRELOC(dot_data_symbol, data_relocation_number);
- /* Assign the size of the section */
- SA_SET_SCN_SCNLEN(dot_data_symbol, H_GET_DATA_SIZE(headers));
-
- /* Assign the size of the section */
- SA_SET_SCN_SCNLEN(dot_bss_symbol, H_GET_BSS_SIZE(headers));
-
- /* Fill in extra coff fields */
-
- /* Initialize general line number information. */
- H_SET_LINENO_SIZE(headers, text_lineno_number * LINESZ);
-
- /* filehdr */
- H_SET_FILE_MAGIC_NUMBER(headers, FILE_HEADER_MAGIC);
- H_SET_NUMBER_OF_SECTIONS(headers, 3); /* text+data+bss */
- H_SET_TIME_STAMP(headers, (long)time((long*)0));
- H_SET_SYMBOL_TABLE_POINTER(headers, H_GET_SYMBOL_TABLE_FILE_OFFSET(headers));
- /* symbol table size allready set */
- H_SET_SIZEOF_OPTIONAL_HEADER(headers, OBJ_COFF_AOUTHDRSZ);
-#ifndef OBJ_COFF_IGNORE_EXEC_FLAG
- H_SET_FLAGS(headers, (text_lineno_number == 0 ? F_LNNO : 0)
- | ((text_relocation_number + data_relocation_number) ? 0 : F_EXEC)
- | BYTE_ORDERING);
-#else /* OBJ_COFF_IGNORE_EXEC_FLAG */
- H_SET_FLAGS(headers, (text_lineno_number == 0 ? F_LNNO : 0)
- | BYTE_ORDERING);
-#endif /* OBJ_COFF_IGNORE_EXEC_FLAG */
-
- /* aouthdr */
- /* magic number allready set */
- H_SET_VERSION_STAMP(headers, 0);
- /* Text, data, bss size; entry point; text_start and data_start are already set */
-
- /* Build section headers */
-
- c_section_header(&text_section_header,
- ".text",
- 0,
- H_GET_TEXT_SIZE(headers),
- H_GET_TEXT_FILE_OFFSET(headers),
- (SA_GET_SCN_NRELOC(dot_text_symbol)
- ? H_GET_RELOCATION_FILE_OFFSET(headers)
- : 0),
- (text_lineno_number
- ? H_GET_LINENO_FILE_OFFSET(headers)
- : 0),
- SA_GET_SCN_NRELOC(dot_text_symbol),
- text_lineno_number,
- section_alignment[(int) SEG_TEXT]);
-
- c_section_header(&data_section_header,
- ".data",
- H_GET_TEXT_SIZE(headers),
- H_GET_DATA_SIZE(headers),
- (H_GET_DATA_SIZE(headers)
- ? H_GET_DATA_FILE_OFFSET(headers)
- : 0),
- (SA_GET_SCN_NRELOC(dot_data_symbol)
- ? (H_GET_RELOCATION_FILE_OFFSET(headers)
- + text_section_header.s_nreloc * RELSZ)
- : 0),
- 0, /* No line number information */
- SA_GET_SCN_NRELOC(dot_data_symbol),
- 0, /* No line number information */
- section_alignment[(int) SEG_DATA]);
-
- c_section_header(&bss_section_header,
- ".bss",
- H_GET_TEXT_SIZE(headers) + H_GET_DATA_SIZE(headers),
- H_GET_BSS_SIZE(headers),
- 0, /* No file offset */
- 0, /* No relocation information */
- 0, /* No line number information */
- 0, /* No relocation information */
- 0, /* No line number information */
- section_alignment[(int) SEG_BSS]);
-
- return;
-} /* obj_pre_write_hook() */
-
-/* This is a copy from aout. All I do is neglect to actually build the symbol. */
-
-static void obj_coff_stab(what)
-int what;
-{
- char *string;
- expressionS e;
- int goof = 0; /* TRUE if we have aborted. */
- int length;
- int saved_type = 0;
- long longint;
- symbolS *symbolP = 0;
-
- if (what == 's') {
- string = demand_copy_C_string(&length);
- SKIP_WHITESPACE();
-
- if (*input_line_pointer == ',') {
- input_line_pointer++;
- } else {
- as_bad("I need a comma after symbol's name");
- goof = 1;
- } /* better be a comma */
- } /* skip the string */
-
- /*
- * Input_line_pointer->after ','. String->symbol name.
- */
- if (!goof) {
- if (get_absolute_expression_and_terminator(&longint) != ',') {
- as_bad("I want a comma after the n_type expression");
- goof = 1;
- input_line_pointer--; /* Backup over a non-',' char. */
- } /* on error */
- } /* no error */
-
- if (!goof) {
- if (get_absolute_expression_and_terminator(&longint) != ',') {
- as_bad("I want a comma after the n_other expression");
- goof = 1;
- input_line_pointer--; /* Backup over a non-',' char. */
- } /* on error */
- } /* no error */
-
- if (!goof) {
- get_absolute_expression();
-
- if (what == 's' || what == 'n') {
- if (*input_line_pointer != ',') {
- as_bad("I want a comma after the n_desc expression");
- goof = 1;
- } else {
- input_line_pointer++;
- } /* on goof */
- } /* not stabd */
- } /* no error */
-
- expression(&e);
-
- if (goof) {
- ignore_rest_of_line();
- } else {
- demand_empty_rest_of_line();
- } /* on error */
-} /* obj_coff_stab() */
+ if (next_set_end != NULL)
+ {
+ if (set_end != NULL)
+ as_warn ("Warning: internal error: forgetting to set endndx of %s",
+ S_GET_NAME (set_end));
+ set_end = next_set_end;
+ }
-#ifdef DEBUG
- /* for debugging */
-char *s_get_name(s)
-symbolS *s;
-{
- return((s == NULL) ? "(NULL)" : S_GET_NAME(s));
-} /* s_get_name() */
-
-void symbol_dump() {
- symbolS *symbolP;
-
- for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next(symbolP)) {
- printf("%3ld: 0x%lx \"%s\" type = %ld, class = %d, segment = %d\n",
- symbolP->sy_number,
- (unsigned long) symbolP,
- S_GET_NAME(symbolP),
- (long) S_GET_DATA_TYPE(symbolP),
- S_GET_STORAGE_CLASS(symbolP),
- (int) S_GET_SEGMENT(symbolP));
- } /* traverse symbols */
-
- return;
-} /* symbol_dump() */
-#endif /* DEBUG */
+ if (! *punt
+ && S_GET_STORAGE_CLASS (symp) == C_FCN
+ && strcmp (S_GET_NAME (symp), ".bf") == 0)
+ {
+ if (coff_last_bf != NULL)
+ SA_SET_SYM_ENDNDX (coff_last_bf, symp);
+ coff_last_bf = symp;
+ }
-/*
- * Local Variables:
- * comment-column: 0
- * fill-column: 131
- * End:
- */
+ if (coffsymbol (symbol_get_bfdsym (symp))->lineno)
+ {
+ int i;
+ struct line_no *lptr;
+ alent *l;
+
+ lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno;
+ for (i = 0; lptr; lptr = lptr->next)
+ i++;
+ lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno;
+
+ /* We need i entries for line numbers, plus 1 for the first
+ entry which BFD will override, plus 1 for the last zero
+ entry (a marker for BFD). */
+ l = (alent *) xmalloc ((i + 2) * sizeof (alent));
+ coffsymbol (symbol_get_bfdsym (symp))->lineno = l;
+ l[i + 1].line_number = 0;
+ l[i + 1].u.sym = NULL;
+ for (; i > 0; i--)
+ {
+ if (lptr->frag)
+ lptr->l.u.offset += lptr->frag->fr_address / OCTETS_PER_BYTE;
+ l[i] = lptr->l;
+ lptr = lptr->next;
+ }
+ }
+}
+
+void
+coff_adjust_section_syms (abfd, sec, x)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ asection *sec;
+ PTR x ATTRIBUTE_UNUSED;
+{
+ symbolS *secsym;
+ segment_info_type *seginfo = seg_info (sec);
+ int nlnno, nrelocs = 0;
-/* end of obj-coff.c */
+ /* RS/6000 gas creates a .debug section manually in ppc_frob_file in
+ tc-ppc.c. Do not get confused by it. */
+ if (seginfo == NULL)
+ return;
+
+ if (!strcmp (sec->name, ".text"))
+ nlnno = coff_n_line_nos;
+ else
+ nlnno = 0;
+ {
+ /* @@ Hope that none of the fixups expand to more than one reloc
+ entry... */
+ fixS *fixp = seginfo->fix_root;
+ while (fixp)
+ {
+ if (! fixp->fx_done)
+ nrelocs++;
+ fixp = fixp->fx_next;
+ }
+ }
+ if (bfd_get_section_size_before_reloc (sec) == 0
+ && nrelocs == 0
+ && nlnno == 0
+ && sec != text_section
+ && sec != data_section
+ && sec != bss_section)
+ return;
+ secsym = section_symbol (sec);
+ /* This is an estimate; we'll plug in the real value using
+ SET_SECTION_RELOCS later */
+ SA_SET_SCN_NRELOC (secsym, nrelocs);
+ SA_SET_SCN_NLINNO (secsym, nlnno);
+}
+
+void
+coff_frob_file_after_relocs ()
+{
+ bfd_map_over_sections (stdoutput, coff_adjust_section_syms, (char*) 0);
+}
+
+/*
+ * 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
+ * 'r' for read-only data
+ * 's' for shared data (PE)
+ * But if the argument is not a quoted string, treat it as a
+ * subsegment number.
+ */
+
+void
+obj_coff_section (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+ /* Strip out the section name */
+ char *section_name;
+ char c;
+ char *name;
+ unsigned int exp;
+ flagword flags;
+ asection *sec;
+
+ if (flag_mri)
+ {
+ char type;
+
+ s_mri_sect (&type);
+ return;
+ }
+
+ section_name = input_line_pointer;
+ c = get_symbol_end ();
+
+ name = xmalloc (input_line_pointer - section_name + 1);
+ strcpy (name, section_name);
+
+ *input_line_pointer = c;
+
+ SKIP_WHITESPACE ();
+
+ exp = 0;
+ flags = SEC_LOAD;
+
+ if (*input_line_pointer == ',')
+ {
+ ++input_line_pointer;
+ SKIP_WHITESPACE ();
+ 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 |= SEC_ALLOC; flags &=~ SEC_LOAD; break;
+ case 'n': flags &=~ SEC_LOAD; break;
+ case 'd': flags |= SEC_DATA | SEC_LOAD; /* fall through */
+ case 'w': flags &=~ SEC_READONLY; break;
+ case 'x': flags |= SEC_CODE | SEC_LOAD; break;
+ case 'r': flags |= SEC_READONLY; break;
+ case 's': flags |= SEC_SHARED; break;
+
+ case 'i': /* STYP_INFO */
+ case 'l': /* STYP_LIB */
+ case 'o': /* STYP_OVER */
+ as_warn (_("unsupported section attribute '%c'"),
+ *input_line_pointer);
+ break;
+
+ default:
+ as_warn(_("unknown section attribute '%c'"),
+ *input_line_pointer);
+ break;
+ }
+ ++input_line_pointer;
+ }
+ if (*input_line_pointer == '"')
+ ++input_line_pointer;
+ }
+ }
+
+ sec = subseg_new (name, (subsegT) exp);
+
+ if (flags != SEC_NO_FLAGS)
+ {
+ flagword oldflags;
+
+ oldflags = bfd_get_section_flags (stdoutput, sec);
+ oldflags &= SEC_LINK_ONCE | SEC_LINK_DUPLICATES;
+ flags |= oldflags;
+
+ if (! bfd_set_section_flags (stdoutput, sec, flags))
+ as_warn (_("error setting flags for \"%s\": %s"),
+ bfd_section_name (stdoutput, sec),
+ bfd_errmsg (bfd_get_error ()));
+ }
+
+ demand_empty_rest_of_line ();
+}
+
+void
+coff_adjust_symtab ()
+{
+ if (symbol_rootP == NULL
+ || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE)
+ c_dot_file_symbol ("fake");
+}
+
+void
+coff_frob_section (sec)
+ segT sec;
+{
+ segT strsec;
+ char *p;
+ fragS *fragp;
+ bfd_vma size, n_entries, mask;
+ bfd_vma align_power = (bfd_vma)sec->alignment_power + OCTETS_PER_BYTE_POWER;
+
+ /* The COFF back end in BFD requires that all section sizes be
+ rounded up to multiples of the corresponding section alignments,
+ supposedly because standard COFF has no other way of encoding alignment
+ for sections. If your COFF flavor has a different way of encoding
+ section alignment, then skip this step, as TICOFF does. */
+ size = bfd_get_section_size_before_reloc (sec);
+ mask = ((bfd_vma) 1 << align_power) - 1;
+#if !defined(TICOFF)
+ if (size & mask)
+ {
+ size = (size + mask) & ~mask;
+ bfd_set_section_size (stdoutput, sec, size);
+ }
+#endif
+
+ /* If the section size is non-zero, the section symbol needs an aux
+ entry associated with it, indicating the size. We don't know
+ all the values yet; coff_frob_symbol will fill them in later. */
+#ifndef TICOFF
+ if (size != 0
+ || sec == text_section
+ || sec == data_section
+ || sec == bss_section)
+#endif
+ {
+ symbolS *secsym = section_symbol (sec);
+
+ S_SET_STORAGE_CLASS (secsym, C_STAT);
+ S_SET_NUMBER_AUXILIARY (secsym, 1);
+ SF_SET_STATICS (secsym);
+ SA_SET_SCN_SCNLEN (secsym, size);
+ }
+
+ /* @@ these should be in a "stabs.h" file, or maybe as.h */
+#ifndef STAB_SECTION_NAME
+#define STAB_SECTION_NAME ".stab"
+#endif
+#ifndef STAB_STRING_SECTION_NAME
+#define STAB_STRING_SECTION_NAME ".stabstr"
+#endif
+ if (strcmp (STAB_STRING_SECTION_NAME, sec->name))
+ return;
+
+ strsec = sec;
+ sec = subseg_get (STAB_SECTION_NAME, 0);
+ /* size is already rounded up, since other section will be listed first */
+ size = bfd_get_section_size_before_reloc (strsec);
+
+ n_entries = bfd_get_section_size_before_reloc (sec) / 12 - 1;
+
+ /* Find first non-empty frag. It should be large enough. */
+ fragp = seg_info (sec)->frchainP->frch_root;
+ while (fragp && fragp->fr_fix == 0)
+ fragp = fragp->fr_next;
+ assert (fragp != 0 && fragp->fr_fix >= 12);
+
+ /* Store the values. */
+ p = fragp->fr_literal;
+ bfd_h_put_16 (stdoutput, n_entries, (bfd_byte *) p + 6);
+ bfd_h_put_32 (stdoutput, size, (bfd_byte *) p + 8);
+}
+
+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 (seg->name) + 4);
+ strcpy (stabstr_name, seg->name);
+ strcat (stabstr_name, "str");
+ stroff = get_stab_string_offset (file, stabstr_name);
+ know (stroff == 1);
+ md_number_to_chars (p, stroff, 4);
+}
+
+#ifdef DEBUG
+/* for debugging */
+const char *
+s_get_name (s)
+ symbolS *s;
+{
+ return ((s == NULL) ? "(NULL)" : S_GET_NAME (s));
+}
+
+void
+symbol_dump ()
+{
+ symbolS *symbolP;
+
+ for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP))
+ {
+ printf(_("0x%lx: \"%s\" type = %ld, class = %d, segment = %d\n"),
+ (unsigned long) symbolP,
+ S_GET_NAME(symbolP),
+ (long) S_GET_DATA_TYPE(symbolP),
+ S_GET_STORAGE_CLASS(symbolP),
+ (int) S_GET_SEGMENT(symbolP));
+ }
+}
+
+#endif /* DEBUG */
+
+#else /* not BFD_ASSEMBLER */
+
+#include "frags.h"
+/* This is needed because we include internal bfd things. */
+#include <time.h>
+
+#include "libbfd.h"
+#include "libcoff.h"
+
+#ifdef TE_PE
+#include "coff/pe.h"
+#endif
+
+/* 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
+
+/* The zeroes if symbol name is longer than 8 chars */
+#define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v))
+
+#define MIN(a,b) ((a) < (b)? (a) : (b))
+
+/* This vector is used to turn a gas internal segment number into a
+ section number suitable for insertion into a coff symbol table.
+ This must correspond to seg_info_off_by_4. */
+
+const short seg_N_TYPE[] =
+{ /* in: segT out: N_TYPE bits */
+ C_ABS_SECTION,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
+ 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
+ 21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
+ 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
+ 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) */
+
+/* structure used to keep the filenames which
+ are too long around so that we can stick them
+ into the string table */
+struct filename_list
+{
+ char *filename;
+ struct filename_list *next;
+};
+
+static struct filename_list *filename_list_head;
+static struct filename_list *filename_list_tail;
+
+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;
+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 int c_line_new PARAMS ((symbolS * symbol, long paddr,
+ int 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 void obj_coff_lcomm PARAMS ((int));
+static void obj_coff_text PARAMS ((int));
+static void obj_coff_data PARAMS ((int));
+void obj_coff_section PARAMS ((int));
+
+/* When not using BFD_ASSEMBLER, we permit up to 40 sections.
+
+ This array maps a COFF section number into a gas section number.
+ Because COFF uses negative section numbers, you must add 4 to the
+ COFF section number when indexing into this array; this is done via
+ the SEG_INFO_FROM_SECTION_NUMBER macro. This must correspond to
+ seg_N_TYPE. */
+
+static const segT seg_info_off_by_4[] =
+{
+ 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,
+ SEG_E10, SEG_E11, SEG_E12, SEG_E13, SEG_E14,
+ SEG_E15, SEG_E16, SEG_E17, SEG_E18, SEG_E19,
+ SEG_E20, SEG_E21, SEG_E22, SEG_E23, SEG_E24,
+ SEG_E25, SEG_E26, SEG_E27, SEG_E28, SEG_E29,
+ SEG_E30, SEG_E31, SEG_E32, SEG_E33, SEG_E34,
+ SEG_E35, SEG_E36, SEG_E37, SEG_E38, SEG_E39,
+ (segT) 40,
+ (segT) 41,
+ (segT) 42,
+ (segT) 43,
+ (segT) 44,
+ (segT) 45,
+ (segT) 0,
+ (segT) 0,
+ (segT) 0,
+ SEG_REGISTER
+};
+
+#define SEG_INFO_FROM_SECTION_NUMBER(x) (seg_info_off_by_4[(x)+4])
+
+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);
+}
+
+
+segT
+s_get_segment (x)
+ symbolS * x;
+{
+ return SEG_INFO_FROM_SECTION_NUMBER (x->sy_symbol.ost_entry.n_scnum);
+}
+
+/* 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 ATTRIBUTE_UNUSED;
+ 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)
+ {
+ fprintf (stderr, _("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_space:
+ assert (frag->fr_symbol == 0);
+ case rs_fill:
+ case rs_org:
+ size += frag->fr_fix;
+ size += frag->fr_offset * frag->fr_var;
+ break;
+ case rs_align:
+ case rs_align_code:
+ {
+ addressT off;
+
+ size += frag->fr_fix;
+ off = relax_align (size, frag->fr_offset);
+ if (frag->fr_subtype != 0 && off > frag->fr_subtype)
+ off = 0;
+ size += off;
+ }
+ 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 (fixup_ptr->fx_done == 0 && 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;
+}
+
+#ifdef TE_AUX
+
+static int compare_external_relocs PARAMS ((const PTR, const PTR));
+
+/* AUX's ld expects relocations to be sorted */
+static int
+compare_external_relocs (x, y)
+ const PTR x;
+ const PTR y;
+{
+ struct external_reloc *a = (struct external_reloc *) x;
+ struct external_reloc *b = (struct external_reloc *) y;
+ bfd_vma aadr = bfd_getb32 (a->r_vaddr);
+ bfd_vma badr = bfd_getb32 (b->r_vaddr);
+ return (aadr < badr ? -1 : badr < aadr ? 1 : 0);
+}
+
+#endif
+
+/* 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_LAST; 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)
+ {
+ struct internal_reloc intr;
+
+ /* Only output some of the relocations */
+ if (fix_ptr->fx_done == 0 && TC_COUNT_RELOC (fix_ptr))
+ {
+#ifdef TC_RELOC_MANGLE
+ TC_RELOC_MANGLE (&segment_info[idx], fix_ptr, &intr,
+ base);
+
+#else
+ symbolS *dot;
+ symbolS *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_KEEP_FX_OFFSET
+ intr.r_offset = fix_ptr->fx_offset;
+#else
+ intr.r_offset = 0;
+#endif
+
+ while (symbol_ptr->sy_value.X_op == O_symbol
+ && (! S_IS_DEFINED (symbol_ptr)
+ || S_IS_COMMON (symbol_ptr)))
+ {
+ symbolS *n;
+
+ /* We must avoid looping, as that can occur
+ with a badly written program. */
+ n = symbol_ptr->sy_value.X_add_symbol;
+ if (n == symbol_ptr)
+ break;
+ symbol_ptr = n;
+ }
+
+ /* Turn the segment of the symbol into an offset. */
+ if (symbol_ptr)
+ {
+ resolve_symbol_value (symbol_ptr, 1);
+ if (! symbol_ptr->sy_resolved)
+ {
+ char *file;
+ unsigned int line;
+
+ if (expr_symbol_where (symbol_ptr, &file, &line))
+ as_bad_where (file, line,
+ _("unresolved relocation"));
+ else
+ as_bad (_("bad relocation: symbol `%s' not in symbol table"),
+ S_GET_NAME (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;
+ }
+
+#ifdef TE_AUX
+ /* Sort the reloc table */
+ qsort ((PTR) external_reloc_vec, nrelocs,
+ sizeof (struct external_reloc), compare_external_relocs);
+#endif
+
+ /* 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 ATTRIBUTE_UNUSED;
+ 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);
+
+ PROGRESS (1);
+
+ 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_space:
+ assert (frag->fr_symbol == 0);
+ case rs_fill:
+ case rs_align:
+ case rs_align_code:
+ 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];
+#ifdef COFF_LONG_SECTION_NAMES
+ unsigned long string_size = 4;
+#endif
+
+ 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_LAST; i++)
+ {
+ if (segment_info[i].scnhdr.s_name[0])
+ {
+ unsigned int size;
+
+#ifdef COFF_LONG_SECTION_NAMES
+ /* Support long section names as found in PE. This code
+ must coordinate with that in write_object_file and
+ w_strings. */
+ if (strlen (segment_info[i].name) > SCNNMLEN)
+ {
+ memset (segment_info[i].scnhdr.s_name, 0, SCNNMLEN);
+ sprintf (segment_info[i].scnhdr.s_name, "/%lu", string_size);
+ string_size += strlen (segment_info[i].name) + 1;
+ }
+#endif
+
+ size = bfd_coff_swap_scnhdr_out (abfd,
+ &(segment_info[i].scnhdr),
+ buffer);
+ if (size == 0)
+ as_bad (_("bfd_coff_swap_scnhdr_out failed"));
+ 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 */
+
+#ifndef TE_PE
+ val = (segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_paddr
+ + S_GET_VALUE (symbolP));
+#else
+ val = S_GET_VALUE (symbolP);
+#endif
+
+ 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
+coff_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 */
+
+ l = get_absolute_expression ();
+ c_line_new (0, frag_now_fix (), l, frag_now);
+
+ if (appline)
+ new_logical_line ((char *) NULL, l - 1);
+
+#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 ATTRIBUTE_UNUSED;
+{
+ 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);
+#ifdef tc_canonicalize_symbol_name
+ symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy);
+#endif
+
+ /* 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 ATTRIBUTE_UNUSED;
+{
+ 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);
+ SF_SET_ADJ_LNNOPTR (last_line_symbol);
+ SF_SET_PROCESS (def_symbol_in_progress);
+ 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_WEAKEXT:
+#ifdef TE_PE
+ case C_NT_WEAK:
+#endif
+ 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)
+ || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT)
+ {
+ /* For functions, and tags, and static symbols, 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))
+ {
+ symbolS *oldtag;
+
+ oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress),
+ DO_NOT_STRIP);
+ if (oldtag == NULL || ! SF_GET_TAG (oldtag))
+ 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 ATTRIBUTE_UNUSED;
+{
+ 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 ATTRIBUTE_UNUSED;
+{
+ int this_base;
+ const char *name;
+
+ if (def_symbol_in_progress == NULL)
+ {
+ obj_coff_ln (0);
+ return;
+ }
+
+ name = S_GET_NAME (def_symbol_in_progress);
+ this_base = get_absolute_expression ();
+
+ /* Only .bf symbols indicate the use of a new base line number; the
+ line numbers associated with .ef, .bb, .eb are relative to the
+ start of the containing function. */
+ if (!strcmp (".bf", name))
+ {
+#if 0 /* XXX Can we ever have line numbers going backwards? */
+ if (this_base > line_base)
+#endif
+ {
+ line_base = this_base;
+ }
+
+#ifndef NO_LISTING
+ {
+ extern int listing;
+ if (listing)
+ {
+ 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 ATTRIBUTE_UNUSED;
+{
+ 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 ATTRIBUTE_UNUSED;
+{
+ 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 ATTRIBUTE_UNUSED;
+{
+ 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 ();
+#ifdef tc_canonicalize_symbol_name
+ symbol_name = tc_canonicalize_symbol_name (symbol_name);
+#endif
+
+ /* 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 ATTRIBUTE_UNUSED;
+{
+ 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 ATTRIBUTE_UNUSED;
+{
+ 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 ();
+
+#ifdef tc_canonicalize_symbol_name
+ symbol_name = tc_canonicalize_symbol_name (symbol_name);
+#endif
+
+ 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 ();
+}
+
+#ifdef TE_PE
+
+/* Handle the .linkonce pseudo-op. This is parsed by s_linkonce in
+ read.c, which then calls this object file format specific routine. */
+
+void
+obj_coff_pe_handle_link_once (type)
+ enum linkonce_type type;
+{
+ seg_info (now_seg)->scnhdr.s_flags |= IMAGE_SCN_LNK_COMDAT;
+
+ /* We store the type in the seg_info structure, and use it to set up
+ the auxiliary entry for the section symbol in c_section_symbol. */
+ seg_info (now_seg)->linkonce = type;
+}
+
+#endif /* TE_PE */
+
+void
+coff_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 globals. */
+symbolS *symbol_globalP;
+symbolS *symbol_global_lastP;
+
+/* The chain of externals */
+symbolS *symbol_externP;
+symbolS *symbol_extern_lastP;
+
+stack *block_stack;
+symbolS *last_functionP;
+static symbolS *last_bfP;
+symbolS *last_tagP;
+
+static unsigned int
+yank_symbols ()
+{
+ symbolS *symbolP;
+ unsigned int symbol_number = 0;
+ unsigned int last_file_symno = 0;
+
+ struct filename_list *filename_list_scan = filename_list_head;
+
+ for (symbolP = symbol_rootP;
+ symbolP;
+ symbolP = symbolP ? symbol_next (symbolP) : symbol_rootP)
+ {
+ if (symbolP->sy_mri_common)
+ {
+ if (S_GET_STORAGE_CLASS (symbolP) == C_EXT
+#ifdef TE_PE
+ || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK
+#endif
+ || S_GET_STORAGE_CLASS (symbolP) == C_WEAKEXT)
+ as_bad (_("%s: global symbols not supported in common sections"),
+ S_GET_NAME (symbolP));
+ symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
+ continue;
+ }
+
+ 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)
+ && !SF_GET_STATICS (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 (flag_readonly_data_in_text && (S_GET_SEGMENT (symbolP) == SEG_E1))
+ {
+ S_SET_SEGMENT (symbolP, SEG_E0);
+ } /* push data into text */
+
+ resolve_symbol_value (symbolP, 1);
+
+ 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
+ }
+ if (S_GET_STORAGE_CLASS (symbolP) == C_FCN)
+ {
+ if (strcmp (S_GET_NAME (symbolP), ".bf") == 0)
+ {
+ if (last_bfP != NULL)
+ SA_SET_SYM_ENDNDX (last_bfP, symbol_number);
+ last_bfP = symbolP;
+ }
+ }
+ else if (S_GET_STORAGE_CLASS (symbolP) == C_EFCN)
+ {
+ /* I don't even know if this is needed for sdb. But
+ the standard assembler generates it, so... */
+ 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 the filename was too long to fit in the
+ auxent, put it in the string table */
+ if (SA_GET_FILE_FNAME_ZEROS (symbolP) == 0
+ && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0)
+ {
+ SA_SET_FILE_FNAME_OFFSET (symbolP, string_byte_count);
+ string_byte_count += strlen (filename_list_scan->filename) + 1;
+ filename_list_scan = filename_list_scan->next;
+ }
+ 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 */
+
+#ifdef tc_frob_coff_symbol
+ tc_frob_coff_symbol (symbolP);
+#endif
+
+ /* 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 (symbolP->sy_value.X_op == O_symbol
+ && (! S_IS_DEFINED (symbolP) || S_IS_COMMON (symbolP)))
+ {
+ /* Skip symbols which were equated to undefined or common
+ symbols. */
+ 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
+#ifdef TE_PE
+ || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK
+#endif
+ || S_GET_STORAGE_CLASS (symbolP) == C_WEAKEXT))
+ {
+ /* 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 (! S_IS_DEBUG (symbolP)
+ && ! SF_GET_STATICS (symbolP)
+ && ! SF_GET_FUNCTION (symbolP)
+ && (S_GET_STORAGE_CLASS (symbolP) == C_EXT
+#ifdef TE_PE
+ || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK
+#endif
+ || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK))
+ {
+ symbolS *hold = symbol_previous (symbolP);
+
+ /* The O'Reilly COFF book says that defined global symbols
+ come at the end of the symbol table, just before
+ undefined global symbols. */
+
+ symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
+ symbol_clear_list_pointers (symbolP);
+ symbol_append (symbolP, symbol_global_lastP, &symbol_globalP,
+ &symbol_global_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 (head, tail)
+ symbolS **head;
+ symbolS **tail;
+{
+ unsigned int symbol_number = 0;
+
+ while (*head != NULL)
+ {
+ symbolS *tmp = *head;
+
+ /* append */
+ symbol_remove (tmp, head, tail);
+ 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 ATTRIBUTE_UNUSED;
+{
+ 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.
+ */
+
+ /* Is there a .file symbol ? If not insert one at the beginning. */
+ if (symbol_rootP == NULL
+ || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE)
+ {
+ c_dot_file_symbol ("fake");
+ }
+
+ /*
+ * Build up static symbols for the sections, they are filled in later
+ */
+
+
+ for (i = SEG_E0; i < SEG_LAST; i++)
+ if (segment_info[i].scnhdr.s_name[0])
+ segment_info[i].dot = c_section_symbol (segment_info[i].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 (&symbol_globalP,
+ &symbol_global_lastP)
+ + glue_symbols (&symbol_externP,
+ &symbol_extern_lastP)));
+
+ H_SET_SYMBOL_TABLE_SIZE (h, tie_tags ());
+ know (symbol_globalP == NULL);
+ know (symbol_global_lastP == NULL);
+ 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;
+ struct filename_list *filename_list_scan = filename_list_head;
+
+ /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK */
+ md_number_to_chars (where, (valueT) string_byte_count, 4);
+ where += 4;
+
+#ifdef COFF_LONG_SECTION_NAMES
+ /* Support long section names as found in PE. This code must
+ coordinate with that in coff_header_append and write_object_file. */
+ {
+ unsigned int i;
+
+ for (i = SEG_E0; i < SEG_LAST; i++)
+ {
+ if (segment_info[i].scnhdr.s_name[0]
+ && strlen (segment_info[i].name) > SCNNMLEN)
+ {
+ unsigned int size;
+
+ size = strlen (segment_info[i].name) + 1;
+ memcpy (where, segment_info[i].name, size);
+ where += size;
+ }
+ }
+ }
+#endif /* COFF_LONG_SECTION_NAMES */
+
+ 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;
+ }
+ if (S_GET_STORAGE_CLASS (symbolP) == C_FILE
+ && SA_GET_FILE_FNAME_ZEROS (symbolP) == 0
+ && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0)
+ {
+ size = strlen (filename_list_scan->filename) + 1;
+ memcpy (where, filename_list_scan->filename, size);
+ filename_list_scan = filename_list_scan ->next;
+ 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_LAST; 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;
+ const 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 (EXIT_FAILURE);
+ }
+ 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
+#ifdef md_do_align
+ md_do_align (SUB_SEGMENT_ALIGN (now_seg), (char *) NULL, 0, 0,
+ alignment_done);
+#endif
+ frag_align (SUB_SEGMENT_ALIGN (now_seg),
+ subseg_text_p (now_seg) ? NOP_OPCODE : 0,
+ 0);
+#ifdef md_do_align
+ alignment_done:
+#endif
+ 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);
+
+#ifdef COFF_LONG_SECTION_NAMES
+ /* Support long section names as found in PE. This code
+ must coordinate with that in coff_header_append and
+ w_strings. */
+ {
+ unsigned int len;
+
+ len = strlen (segment_info[i].name);
+ if (len > SCNNMLEN)
+ string_byte_count += len + 1;
+ }
+#endif /* COFF_LONG_SECTION_NAMES */
+ }
+
+ size = size_section (abfd, (unsigned int) i);
+ addr += size;
+
+ /* I think the section alignment is only used on the i960; the
+ i960 needs it, and it should do no harm on other targets. */
+#ifdef ALIGNMENT_IN_S_FLAGS
+ segment_info[i].scnhdr.s_flags |= (section_alignment[i] & 0xF) << 8;
+#else
+ segment_info[i].scnhdr.s_align = 1 << section_alignment[i];
+#endif
+
+ 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);
+
+#ifdef tc_frob_file
+ tc_frob_file ();
+#endif
+
+ for (i = SEG_E0; i < SEG_UNKNOWN; i++)
+ {
+ fixup_mdeps (segment_info[i].frchainP->frch_root, &headers, i);
+ fixup_segment (&segment_info[i], i);
+ }
+
+ /* Look for ".stab" segments and fill in their initial symbols
+ correctly. */
+ for (i = SEG_E0; i < SEG_UNKNOWN; i++)
+ {
+ name = segment_info[i].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((time_t *)0));
+#else
+ H_SET_TIME_STAMP (&headers, 0);
+#endif
+#ifdef TC_COFF_SET_MACHINE
+ TC_COFF_SET_MACHINE (&headers);
+#endif
+
+#ifndef COFF_FLAGS
+#define COFF_FLAGS 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 i;
+
+#ifndef COFF_LONG_SECTION_NAMES
+ char buf[SCNNMLEN + 1];
+
+ strncpy (buf, name, SCNNMLEN);
+ buf[SCNNMLEN] = '\0';
+ name = buf;
+#endif
+
+ for (i = SEG_E0; i < SEG_LAST && segment_info[i].scnhdr.s_name[0]; i++)
+ if (strcmp (name, segment_info[i].name) == 0)
+ return (segT) i;
+
+ if (i == SEG_LAST)
+ {
+ 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;
+ segment_info[i].name = xstrdup (name);
+
+ 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
+ * 'r' for read-only data
+ * But if the argument is not a quoted string, treat it as a
+ * subsegment number.
+ */
+
+void
+obj_coff_section (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+ /* Strip out the section name */
+ char *section_name, *name;
+ char c;
+ unsigned int exp;
+ long flags;
+
+ if (flag_mri)
+ {
+ char type;
+
+ s_mri_sect (&type);
+ flags = 0;
+ if (type == 'C')
+ flags = STYP_TEXT;
+ else if (type == 'D')
+ flags = STYP_DATA;
+ segment_info[now_seg].scnhdr.s_flags |= flags;
+
+ return;
+ }
+
+ section_name = input_line_pointer;
+ c = get_symbol_end ();
+
+ name = xmalloc (input_line_pointer - section_name + 1);
+ strcpy (name, section_name);
+
+ *input_line_pointer = c;
+
+ exp = 0;
+ flags = 0;
+
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer == ',')
+ {
+ ++input_line_pointer;
+ SKIP_WHITESPACE ();
+
+ 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;
+ case 'r': flags |= STYP_LIT; break;
+ default:
+ as_warn(_("unknown section attribute '%c'"),
+ *input_line_pointer);
+ break;
+ }
+ ++input_line_pointer;
+ }
+ if (*input_line_pointer == '"')
+ ++input_line_pointer;
+ }
+ }
+
+ subseg_new (name, (subsegT) exp);
+
+ segment_info[now_seg].scnhdr.s_flags |= flags;
+
+ demand_empty_rest_of_line ();
+}
+
+
+static void
+obj_coff_text (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+ subseg_new (".text", get_absolute_expression ());
+}
+
+
+static void
+obj_coff_data (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+ if (flag_readonly_data_in_text)
+ subseg_new (".text", get_absolute_expression () + 1000);
+ else
+ subseg_new (".data", get_absolute_expression ());
+}
+
+static void
+obj_coff_ident (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+ 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;
+ int 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);
+
+ if (strlen (filename) > FILNMLEN)
+ {
+ /* Filename is too long to fit into an auxent,
+ we stick it into the string table instead. We keep
+ a linked list of the filenames we find so we can emit
+ them later.*/
+ struct filename_list *f = ((struct filename_list *)
+ xmalloc (sizeof (struct filename_list)));
+
+ f->filename = filename;
+ f->next = 0;
+
+ SA_SET_FILE_FNAME_ZEROS (symbolP, 0);
+ SA_SET_FILE_FNAME_OFFSET (symbolP, 1);
+
+ if (filename_list_tail)
+ filename_list_tail->next = f;
+ else
+ filename_list_head = f;
+ filename_list_tail = f;
+ }
+ else
+ {
+ 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)
+ {
+ symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
+ symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP);
+ }
+} /* c_dot_file_symbol() */
+
+/*
+ * Build a 'section static' symbol.
+ */
+
+symbolS *
+c_section_symbol (name, idx)
+ char *name;
+ int idx;
+{
+ symbolS *symbolP;
+
+ symbolP = symbol_find_base (name, DO_NOT_STRIP);
+ if (symbolP == NULL)
+ symbolP = symbol_new (name, idx, 0, &zero_address_frag);
+ else
+ {
+ /* Mmmm. I just love violating interfaces. Makes me feel...dirty. */
+ S_SET_SEGMENT (symbolP, idx);
+ symbolP->sy_frag = &zero_address_frag;
+ }
+
+ S_SET_STORAGE_CLASS (symbolP, C_STAT);
+ S_SET_NUMBER_AUXILIARY (symbolP, 1);
+
+ SF_SET_STATICS (symbolP);
+
+#ifdef TE_DELTA
+ /* manfred@s-direktnet.de: section symbols *must* have the LOCAL bit cleared,
+ which is set by the new definition of LOCAL_LABEL in tc-m68k.h. */
+ SF_CLEAR_LOCAL (symbolP);
+#endif
+#ifdef TE_PE
+ /* If the .linkonce pseudo-op was used for this section, we must
+ store the information in the auxiliary entry for the section
+ symbol. */
+ if (segment_info[idx].linkonce != LINKONCE_UNSET)
+ {
+ int type;
+
+ switch (segment_info[idx].linkonce)
+ {
+ default:
+ abort ();
+ case LINKONCE_DISCARD:
+ type = IMAGE_COMDAT_SELECT_ANY;
+ break;
+ case LINKONCE_ONE_ONLY:
+ type = IMAGE_COMDAT_SELECT_NODUPLICATES;
+ break;
+ case LINKONCE_SAME_SIZE:
+ type = IMAGE_COMDAT_SELECT_SAME_SIZE;
+ break;
+ case LINKONCE_SAME_CONTENTS:
+ type = IMAGE_COMDAT_SELECT_EXACT_MATCH;
+ break;
+ }
+
+ SYM_AUXENT (symbolP)->x_scn.x_comdat = type;
+ }
+#endif /* TE_PE */
+
+ 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_LAST; 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;
+
+ /* We can't fix the lnnoptr field in yank_symbols with the other
+ adjustments, because we have to wait until we know where they
+ go in the file. */
+ if (SF_GET_ADJ_LNNOPTR (symbolP))
+ {
+ SA_GET_SYM_LNNOPTR (symbolP) +=
+ segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_lnnoptr;
+ }
+
+ 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 ATTRIBUTE_UNUSED;
+{
+ 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,
+ (offsetT) 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_align_code:
+ case rs_org:
+#ifdef HANDLE_ALIGN
+ HANDLE_ALIGN (frags);
+#endif
+ frags->fr_type = rs_fill;
+ frags->fr_offset =
+ ((frags->fr_next->fr_address - frags->fr_address - frags->fr_fix)
+ / frags->fr_var);
+ break;
+ case rs_machine_dependent:
+ md_convert_frag (h, this_segment, frags);
+ frag_wane (frags);
+ break;
+ default:
+ ;
+ }
+ frags = frags->fr_next;
+ }
+}
+
+#if 1
+
+#ifndef TC_FORCE_RELOCATION
+#define TC_FORCE_RELOCATION(fix) 0
+#endif
+
+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;
+ 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;
+ sub_symbolP = fixP->fx_subsy;
+ add_number = fixP->fx_offset;
+ pcrel = fixP->fx_pcrel;
+
+ /* We want function-relative stabs to work on systems which
+ may use a relaxing linker; thus we must handle the sym1-sym2
+ fixups function-relative stabs generates.
+
+ Of course, if you actually enable relaxing in the linker, the
+ line and block scoping information is going to be incorrect
+ in some cases. The only way to really fix this is to support
+ a reloc involving the difference of two symbols. */
+ if (linkrelax
+ && (!sub_symbolP || pcrel))
+ continue;
+
+#ifdef TC_I960
+ if (fixP->fx_tcbit && SF_GET_CALLNAME (add_symbolP))
+ {
+ /* Relocation should be done via the associated 'bal' entry
+ point symbol. */
+
+ if (!SF_GET_BALNAME (tc_get_bal_of_call (add_symbolP)))
+ {
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("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
+
+ /* Make sure the symbols have been resolved; this may not have
+ happened if these are expression symbols. */
+ if (add_symbolP != NULL && ! add_symbolP->sy_resolved)
+ resolve_symbol_value (add_symbolP, 1);
+
+ if (add_symbolP != NULL)
+ {
+ /* If this fixup is against a symbol which has been equated
+ to another symbol, convert it to the other symbol. */
+ if (add_symbolP->sy_value.X_op == O_symbol
+ && (! S_IS_DEFINED (add_symbolP)
+ || S_IS_COMMON (add_symbolP)))
+ {
+ while (add_symbolP->sy_value.X_op == O_symbol
+ && (! S_IS_DEFINED (add_symbolP)
+ || S_IS_COMMON (add_symbolP)))
+ {
+ symbolS *n;
+
+ /* We must avoid looping, as that can occur with a
+ badly written program. */
+ n = add_symbolP->sy_value.X_add_symbol;
+ if (n == add_symbolP)
+ break;
+ add_number += add_symbolP->sy_value.X_add_number;
+ add_symbolP = n;
+ }
+ fixP->fx_addsy = add_symbolP;
+ fixP->fx_offset = add_number;
+ }
+ }
+
+ if (sub_symbolP != NULL && ! sub_symbolP->sy_resolved)
+ resolve_symbol_value (sub_symbolP, 1);
+
+ if (add_symbolP != NULL
+ && add_symbolP->sy_mri_common)
+ {
+ know (add_symbolP->sy_value.X_op == O_symbol);
+ add_number += S_GET_VALUE (add_symbolP);
+ fixP->fx_offset = add_number;
+ add_symbolP = fixP->fx_addsy = add_symbolP->sy_value.X_add_symbol;
+ }
+
+ if (add_symbolP)
+ {
+ add_symbol_segment = S_GET_SEGMENT (add_symbolP);
+ } /* if there is an addend */
+
+ if (sub_symbolP)
+ {
+ if (add_symbolP == NULL || add_symbol_segment == absolute_section)
+ {
+ if (add_symbolP != NULL)
+ {
+ add_number += S_GET_VALUE (add_symbolP);
+ add_symbolP = NULL;
+ fixP->fx_addsy = NULL;
+ }
+
+ /* It's just -sym. */
+ if (S_GET_SEGMENT (sub_symbolP) == absolute_section)
+ {
+ add_number -= S_GET_VALUE (sub_symbolP);
+ fixP->fx_subsy = 0;
+ fixP->fx_done = 1;
+ }
+ else
+ {
+#ifndef TC_M68K
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("Negative of non-absolute symbol %s"),
+ S_GET_NAME (sub_symbolP));
+#endif
+ add_number -= S_GET_VALUE (sub_symbolP);
+ } /* not absolute */
+
+ /* 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))
+ {
+ /* 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_where (fixP->fx_file, fixP->fx_line,
+ _("callj to difference of 2 symbols"));
+ }
+#endif /* TC_I960 */
+ add_number += S_GET_VALUE (add_symbolP) -
+ S_GET_VALUE (sub_symbolP);
+ add_symbolP = NULL;
+
+ if (!TC_FORCE_RELOCATION (fixP))
+ {
+ fixP->fx_addsy = NULL;
+ fixP->fx_subsy = NULL;
+ fixP->fx_done = 1;
+#ifdef TC_M68K /* is this right? */
+ pcrel = 0;
+ fixP->fx_pcrel = 0;
+#endif
+ }
+ }
+ 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 (S_GET_SEGMENT (sub_symbolP) == this_segment_type
+#if 0 /* Okay for 68k, at least... */
+ && !pcrel
+#endif
+ )
+ {
+ /* 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_where (fixP->fx_file, fixP->fx_line,
+ _("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);
+
+ /* We used to do
+ add_number -= segP->scnhdr.s_vaddr;
+ if defined (TC_I386) || defined (TE_LYNX). I now
+ think that was an error propagated from the case when
+ we are going to emit the relocation. If we are not
+ going to emit the relocation, then we just want to
+ set add_number to the difference between the symbols.
+ This is a case that would only arise when there is a
+ PC relative reference from a section other than .text
+ to a symbol defined in the same section, and the
+ reference is not relaxed. Since jump instructions on
+ the i386 are relaxed, this could only arise with a
+ call instruction. */
+
+ pcrel = 0; /* Lie. Don't want further pcrel processing. */
+ if (!TC_FORCE_RELOCATION (fixP))
+ {
+ 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);
+ add_symbolP = NULL;
+
+ if (!TC_FORCE_RELOCATION (fixP))
+ {
+ fixP->fx_addsy = NULL;
+ fixP->fx_done = 1;
+ }
+ break;
+ default:
+
+
+#if defined(TC_A29K) || (defined(TE_PE) && defined(TC_I386)) || defined(TC_M88K)
+ /* 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_where (fixP->fx_file, fixP->fx_line,
+ _("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) || defined (TE_AUX)) && !defined(TE_PE)) || defined (COFF_COMMON_ADDEND)
+ /* 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 <ian@cygnus.com>. */
+ /* This is also true for 68k COFF on sysv machines
+ (Checked on Motorola sysv68 R3V6 and R3V7.1, and also on
+ UNIX System V/M68000, Release 1.0 from ATT/Bell Labs)
+ Philippe De Muyter <phdm@info.ucl.ac.be>. */
+ 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)
+ {
+#if !defined(TC_M88K) && !(defined(TE_PE) && defined(TC_I386)) && !defined(TC_A29K)
+ /* 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) || defined (TC_I960) || defined (TC_M68K)
+ /* On the 386 we must adjust by the segment vaddr as well.
+ Ian Taylor.
+
+ I changed the i960 to work this way as well. This is
+ compatible with the current GNU linker behaviour. I do
+ not know what other i960 COFF assemblers do. This is not
+ a common case: normally, only assembler code will contain
+ a PC relative reloc, and only branches which do not
+ originate in the .text section will have a non-zero
+ address.
+
+ I changed the m68k to work this way as well. This will
+ break existing PC relative relocs from sections which do
+ not start at address 0, but it will make ld -r work.
+ Ian Taylor, 4 Oct 96. */
+
+ add_number -= segP->scnhdr.s_vaddr;
+#endif
+ } /* if pcrel */
+
+#ifdef MD_APPLY_FIX3
+ md_apply_fix3 (fixP, (valueT *) &add_number, this_segment_type);
+#else
+ md_apply_fix (fixP, add_number);
+#endif
+
+ if (!fixP->fx_bit_fixP && ! fixP->fx_no_overflow)
+ {
+#ifndef TC_M88K
+ /* The m88k uses the offset field of the reloc to get around
+ this problem. */
+ if ((size == 1
+ && ((add_number & ~0xFF)
+ || (fixP->fx_signed && (add_number & 0x80)))
+ && ((add_number & ~0xFF) != (-1 & ~0xFF)
+ || (add_number & 0x80) == 0))
+ || (size == 2
+ && ((add_number & ~0xFFFF)
+ || (fixP->fx_signed && (add_number & 0x8000)))
+ && ((add_number & ~0xFFFF) != (-1 & ~0xFFFF)
+ || (add_number & 0x8000) == 0)))
+ {
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("Value of %ld too large for field of %d bytes at 0x%lx"),
+ (long) add_number, size,
+ (unsigned long) (fragP->fr_address + where));
+ }
+#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 (!flag_signed_overflow_ok
+ && size == 2
+ && add_number > 0x7fff)
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("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 */
+ } /* 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].name) + 4);
+ strcpy (stabstr_name, segment_info[seg].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;
+ const char *secname, *name2;
+ char *name;
+ 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].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].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);
+}
+
+#endif /* not BFD_ASSEMBLER */
+
+const pseudo_typeS coff_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},
+#ifdef BFD_ASSEMBLER
+ {"loc", obj_coff_loc, 0},
+#endif
+ {"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},
+ {"sect", obj_coff_section, 0},
+ /* FIXME: We ignore the MRI short attribute. */
+ {"section.s", obj_coff_section, 0},
+ {"sect.s", obj_coff_section, 0},
+ /* We accept the .bss directive for backward compatibility with
+ earlier versions of gas. */
+ {"bss", obj_coff_bss, 0},
+ {"weak", obj_coff_weak, 0},
+ {"ident", obj_coff_ident, 0},
+#ifndef BFD_ASSEMBLER
+ {"use", obj_coff_section, 0},
+ {"text", obj_coff_text, 0},
+ {"data", obj_coff_data, 0},
+ {"lcomm", obj_coff_lcomm, 0},
+#else
+ {"optim", s_ignore, 0}, /* For sun386i cc (?) */
+#endif
+ {"version", s_ignore, 0},
+ {"ABORT", s_abort, 0},
+#ifdef TC_M88K
+ /* The m88k uses sdef instead of def. */
+ {"sdef", obj_coff_def, 0},
+#endif
+ {NULL, NULL, 0} /* end sentinel */
+}; /* coff_pseudo_table */
+\f
+#ifdef BFD_ASSEMBLER
+
+/* Support for a COFF emulation. */
+
+static void coff_pop_insert PARAMS ((void));
+
+static void
+coff_pop_insert ()
+{
+ pop_insert (coff_pseudo_table);
+}
+
+const struct format_ops coff_format_ops =
+{
+ bfd_target_coff_flavour,
+ 0, /* dfl_leading_underscore */
+ 1, /* emit_section_symbols */
+ coff_frob_symbol,
+ 0, /* frob_file */
+ coff_frob_file_after_relocs,
+ 0, /* s_get_size */
+ 0, /* s_set_size */
+ 0, /* s_get_align */
+ 0, /* s_set_align */
+ 0, /* s_get_other */
+ 0, /* s_get_desc */
+ 0, /* copy_symbol_attributes */
+ 0, /* generate_asm_lineno */
+ 0, /* process_stab */
+ 0, /* sec_sym_ok_for_reloc */
+ coff_pop_insert,
+ 0, /* ecoff_set_ext */
+ coff_obj_read_begin_hook,
+ coff_obj_symbol_new_hook
+};
+
+#endif
projects / deliverable / binutils-gdb.git / blobdiff