summaryrefslogtreecommitdiff
path: root/gas/config/obj-bout.c
diff options
context:
space:
mode:
Diffstat (limited to 'gas/config/obj-bout.c')
-rw-r--r--gas/config/obj-bout.c348
1 files changed, 0 insertions, 348 deletions
diff --git a/gas/config/obj-bout.c b/gas/config/obj-bout.c
deleted file mode 100644
index c9b80f5733f..00000000000
--- a/gas/config/obj-bout.c
+++ /dev/null
@@ -1,348 +0,0 @@
-/* b.out object file format
- Copyright (C) 1989, 90, 91, 92, 93, 94, 95, 1996
- Free Software Foundation, Inc.
-
- This file is part of GAS, the GNU Assembler.
-
- GAS is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2,
- or (at your option) any later version.
-
- GAS is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- the GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public
- License along with GAS; see the file COPYING. If not, write
- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "as.h"
-#include "obstack.h"
-const short /* in: segT out: N_TYPE bits */
- seg_N_TYPE[] =
-{
- N_ABS,
- N_TEXT,
- N_DATA,
- N_BSS,
- N_UNDF, /* unknown */
- N_UNDF, /* error */
- N_UNDF, /* expression */
- N_UNDF, /* debug */
- N_UNDF, /* ntv */
- N_UNDF, /* ptv */
- N_REGISTER, /* register */
-};
-
-const segT N_TYPE_seg[N_TYPE + 2] =
-{ /* N_TYPE == 0x1E = 32-2 */
- SEG_UNKNOWN, /* N_UNDF == 0 */
- SEG_GOOF,
- SEG_ABSOLUTE, /* N_ABS == 2 */
- SEG_GOOF,
- SEG_TEXT, /* N_TEXT == 4 */
- SEG_GOOF,
- SEG_DATA, /* N_DATA == 6 */
- SEG_GOOF,
- SEG_BSS, /* N_BSS == 8 */
- 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_REGISTER, /* dummy N_REGISTER for regs = 30 */
- SEG_GOOF,
-};
-
-static void obj_bout_line PARAMS ((int));
-
-const pseudo_typeS obj_pseudo_table[] =
-{
- {"line", obj_bout_line, 0}, /* source code line number */
-
-/* coff debugging directives. Currently ignored silently */
- {"def", s_ignore, 0},
- {"dim", s_ignore, 0},
- {"endef", 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},
-
-/* other stuff we don't handle */
- {"ABORT", s_ignore, 0},
- {"ident", s_ignore, 0},
-
- {NULL} /* end sentinel */
-}; /* obj_pseudo_table */
-
-/* Relocation. */
-
-/*
- * emit_relocations()
- *
- * Crawl along a fixS chain. Emit the segment's relocations.
- */
-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;
-{
- for (; fixP; fixP = fixP->fx_next)
- {
- if (fixP->fx_done == 0
- || fixP->fx_r_type != NO_RELOC)
- {
- symbolS *sym;
-
- sym = fixP->fx_addsy;
- while (sym->sy_value.X_op == O_symbol
- && (! S_IS_DEFINED (sym) || S_IS_COMMON (sym)))
- sym = sym->sy_value.X_add_symbol;
- fixP->fx_addsy = sym;
-
- tc_bout_fix_to_chars (*where, fixP, segment_address_in_file);
- *where += sizeof (struct relocation_info);
- } /* if there's a symbol */
- } /* for each fixup */
-
-} /* emit_relocations() */
-
-/* Aout file generation & utilities */
-
-/* Convert a lvalue to machine dependent data */
-void
-obj_header_append (where, headers)
- char **where;
- object_headers *headers;
-{
- /* Always leave in host byte order */
-
- headers->header.a_talign = section_alignment[SEG_TEXT];
-
- if (headers->header.a_talign < 2)
- {
- headers->header.a_talign = 2;
- } /* force to at least 2 */
-
- headers->header.a_dalign = section_alignment[SEG_DATA];
- headers->header.a_balign = section_alignment[SEG_BSS];
-
- headers->header.a_tload = 0;
- headers->header.a_dload = md_section_align (SEG_DATA, H_GET_TEXT_SIZE (headers));
-
- headers->header.a_relaxable = linkrelax;
-
-#ifdef CROSS_COMPILE
- md_number_to_chars (*where, headers->header.a_magic, sizeof (headers->header.a_magic));
- *where += sizeof (headers->header.a_magic);
- md_number_to_chars (*where, headers->header.a_text, sizeof (headers->header.a_text));
- *where += sizeof (headers->header.a_text);
- md_number_to_chars (*where, headers->header.a_data, sizeof (headers->header.a_data));
- *where += sizeof (headers->header.a_data);
- md_number_to_chars (*where, headers->header.a_bss, sizeof (headers->header.a_bss));
- *where += sizeof (headers->header.a_bss);
- md_number_to_chars (*where, headers->header.a_syms, sizeof (headers->header.a_syms));
- *where += sizeof (headers->header.a_syms);
- md_number_to_chars (*where, headers->header.a_entry, sizeof (headers->header.a_entry));
- *where += sizeof (headers->header.a_entry);
- md_number_to_chars (*where, headers->header.a_trsize, sizeof (headers->header.a_trsize));
- *where += sizeof (headers->header.a_trsize);
- md_number_to_chars (*where, headers->header.a_drsize, sizeof (headers->header.a_drsize));
- *where += sizeof (headers->header.a_drsize);
- md_number_to_chars (*where, headers->header.a_tload, sizeof (headers->header.a_tload));
- *where += sizeof (headers->header.a_tload);
- md_number_to_chars (*where, headers->header.a_dload, sizeof (headers->header.a_dload));
- *where += sizeof (headers->header.a_dload);
- md_number_to_chars (*where, headers->header.a_talign, sizeof (headers->header.a_talign));
- *where += sizeof (headers->header.a_talign);
- md_number_to_chars (*where, headers->header.a_dalign, sizeof (headers->header.a_dalign));
- *where += sizeof (headers->header.a_dalign);
- md_number_to_chars (*where, headers->header.a_balign, sizeof (headers->header.a_balign));
- *where += sizeof (headers->header.a_balign);
- md_number_to_chars (*where, headers->header.a_relaxable, sizeof (headers->header.a_relaxable));
- *where += sizeof (headers->header.a_relaxable);
-#else /* ! CROSS_COMPILE */
- append (where, (char *) &headers->header, sizeof (headers->header));
-#endif /* ! CROSS_COMPILE */
-} /* a_header_append() */
-
-void
-obj_symbol_to_chars (where, symbolP)
- char **where;
- symbolS *symbolP;
-{
- md_number_to_chars ((char *) &(S_GET_OFFSET (symbolP)), S_GET_OFFSET (symbolP), sizeof (S_GET_OFFSET (symbolP)));
- md_number_to_chars ((char *) &(S_GET_DESC (symbolP)), S_GET_DESC (symbolP), sizeof (S_GET_DESC (symbolP)));
- md_number_to_chars ((char *) &symbolP->sy_symbol.n_value, S_GET_VALUE (symbolP), sizeof (symbolP->sy_symbol.n_value));
-
- append (where, (char *) &symbolP->sy_symbol, sizeof (obj_symbol_type));
-} /* obj_symbol_to_chars() */
-
-void
-obj_emit_symbols (where, symbol_rootP)
- char **where;
- symbolS *symbol_rootP;
-{
- 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. */
- char *temp;
-
- temp = S_GET_NAME (symbolP);
- S_SET_OFFSET (symbolP, symbolP->sy_name_offset);
-
- /* Any symbol still undefined and is not a dbg symbol is made N_EXT. */
- if (!S_IS_DEBUG (symbolP) && !S_IS_DEFINED (symbolP))
- S_SET_EXTERNAL (symbolP);
-
- obj_symbol_to_chars (where, symbolP);
- S_SET_NAME (symbolP, temp);
- }
-} /* emit_symbols() */
-
-void
-obj_symbol_new_hook (symbolP)
- symbolS *symbolP;
-{
- S_SET_OTHER (symbolP, 0);
- S_SET_DESC (symbolP, 0);
-}
-
-static void
-obj_bout_line (ignore)
- int ignore;
-{
- /* Assume delimiter is part of expression. */
- /* BSD4.2 as fails with delightful bug, so we */
- /* are not being incompatible here. */
- new_logical_line ((char *) NULL, (int) (get_absolute_expression ()));
- demand_empty_rest_of_line ();
-} /* obj_bout_line() */
-
-void
-obj_read_begin_hook ()
-{
-}
-
-void
-obj_crawl_symbol_chain (headers)
- object_headers *headers;
-{
- symbolS **symbolPP;
- symbolS *symbolP;
- int symbol_number = 0;
-
- tc_crawl_symbol_chain (headers);
-
- symbolPP = &symbol_rootP; /*->last symbol chain link. */
- while ((symbolP = *symbolPP) != NULL)
- {
- if (flag_readonly_data_in_text && (S_GET_SEGMENT (symbolP) == SEG_DATA))
- {
- S_SET_SEGMENT (symbolP, SEG_TEXT);
- } /* if pusing data into text */
-
- resolve_symbol_value (symbolP, 1);
-
- /* Skip symbols which were equated to undefined or common
- symbols. */
- if (symbolP->sy_value.X_op == O_symbol
- && (! S_IS_DEFINED (symbolP) || S_IS_COMMON (symbolP)))
- {
- *symbolPP = symbol_next (symbolP);
- continue;
- }
-
- /* OK, here is how we decide which symbols go out into the
- brave new symtab. Symbols that do are:
-
- * symbols with no name (stabd's?)
- * symbols with debug info in their N_TYPE
-
- Symbols that don't are:
- * symbols that are registers
- * symbols with \1 as their 3rd character (numeric labels)
- * "local labels" as defined by S_LOCAL_NAME(name)
- if the -L switch was passed to gas.
-
- All other symbols are output. We complain if a deleted
- symbol was marked external. */
-
-
- if (1
- && !S_IS_REGISTER (symbolP)
- && (!S_GET_NAME (symbolP)
- || S_IS_DEBUG (symbolP)
-#ifdef TC_I960
- /* FIXME-SOON this ifdef seems highly dubious to me. xoxorich. */
- || !S_IS_DEFINED (symbolP)
- || S_IS_EXTERNAL (symbolP)
-#endif /* TC_I960 */
- || (S_GET_NAME (symbolP)[0] != '\001' && (flag_keep_locals || !S_LOCAL_NAME (symbolP)))))
- {
- symbolP->sy_number = symbol_number++;
-
- /* The + 1 after strlen account for the \0 at the
- end of each string */
- if (!S_IS_STABD (symbolP))
- {
- /* Ordinary case. */
- symbolP->sy_name_offset = string_byte_count;
- string_byte_count += strlen (S_GET_NAME (symbolP)) + 1;
- }
- else /* .Stabd case. */
- symbolP->sy_name_offset = 0;
- symbolPP = &(symbol_next (symbolP));
- }
- else
- {
- if (S_IS_EXTERNAL (symbolP) || !S_IS_DEFINED (symbolP))
- {
- as_bad (_("Local symbol %s never defined"), S_GET_NAME (symbolP));
- } /* oops. */
-
- /* Unhook it from the chain */
- *symbolPP = symbol_next (symbolP);
- } /* if this symbol should be in the output */
- } /* for each symbol */
-
- H_SET_SYMBOL_TABLE_SIZE (headers, symbol_number);
-}
-
-/*
- * Find strings by crawling along symbol table chain.
- */
-
-void
-obj_emit_strings (where)
- char **where;
-{
- symbolS *symbolP;
-
-#ifdef CROSS_COMPILE
- /* 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_COMPILE */
- append (where, (char *) &string_byte_count, (unsigned long) sizeof (string_byte_count));
-#endif /* CROSS_COMPILE */
-
- for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP))
- {
- if (S_GET_NAME (symbolP))
- append (where, S_GET_NAME (symbolP), (unsigned long) (strlen (S_GET_NAME (symbolP)) + 1));
- } /* walk symbol chain */
-}
-
-/* end of obj-bout.c */