* config/obj-som.[ch]: New files for SOM support in GAS.
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Jeff Law
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commit
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3 changed files with 174 additions and 0 deletions
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@ -82,6 +82,8 @@ obj-hp300.c
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obj-hp300.h
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obj-hp300.h
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obj-ieee.c
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obj-ieee.c
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obj-ieee.h
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obj-ieee.h
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obj-som.c
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obj-som.h
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obj-vms.c
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obj-vms.c
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obj-vms.h
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obj-vms.h
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sh.mt
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sh.mt
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97
gas/config/obj-som.c
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97
gas/config/obj-som.c
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/* SOM object file format.
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Copyright (C) 1993 Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2,
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or (at your option) any later version.
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GAS is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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the GNU General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with GAS; see the file COPYING. If not, write
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to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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Written by the Center for Software Science at the University of Utah
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and by Cygnus Support. */
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#include "as.h"
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#include "subsegs.h"
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#include "aout/stab_gnu.h"
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#include "obstack.h"
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/* SOM does not need any pseudo-ops. */
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const pseudo_typeS obj_pseudo_table[] =
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{
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{NULL}
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};
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/* SOM does not use this. */
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void
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obj_read_begin_hook ()
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{
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}
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/* Handle a .version directive. FIXME. We just parse the .version
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directive and throw away the results!. */
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void
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obj_som_version (unused)
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int unused;
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{
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SKIP_WHITESPACE ()
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if (*input_line_pointer == '\"')
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{
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++input_line_pointer;
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while (is_a_char (next_char_of_string ()))
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;
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}
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else
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{
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as_bad ("Expected quoted string");
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}
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demand_empty_rest_of_line ();
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}
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/* Perform any initialization necessary for stabs support.
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For SOM we need to create the space which will contain the
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two stabs subspaces. Additionally we need to set up the
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space/subspace relationships and set space/subspace attributes
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which BFD does not understand. */
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void
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obj_som_init_stab_section (seg)
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segT seg;
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{
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segT saved_seg = now_seg, space;
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subsegT saved_subseg = now_subseg;
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/* Make the space which will contain the debug subspaces. */
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space = bfd_make_section_old_way (stdoutput, "$GDB_DEBUG$");
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/* Set SOM specific attributes for the space. In particular we set
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the space "defined", "private", "sort_key", and "spnum" values. */
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obj_set_section_attributes (space, 1, 1, 255, 2);
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/* Set the containing space for both stab sections to be $GDB_DEBUG$
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(just created above). Also set some attributes which BFD does
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not understand. In particular, access bits, sort keys, and load
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quadrant. */
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obj_set_subsection_attributes (seg, space, 0x1f, 255, 0);
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/* Likewise for the $GDB_STRINGS$ subspace. Note the section
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hasn't been created at the time of this call, so we create
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it now. */
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seg = subseg_new ("$GDB_STRINGS$", 0);
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obj_set_subsection_attributes (seg, space, 0x1f, 254, 0);
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subseg_set (saved_seg, saved_subseg);
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}
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75
gas/config/obj-som.h
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75
gas/config/obj-som.h
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/* SOM object file format.
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Copyright (C) 1993 Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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Written by the Center for Software Science at the University of Utah
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and by Cygnus Support. */
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#ifndef _OBJ_SOM_H
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#define _OBJ_SOM_H
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#define OBJ_SOM 1
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#include <bfd.h>
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#include "../bfd/som.h"
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#include "targ-cpu.h"
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#ifndef FALSE
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#define FALSE 0
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#define TRUE !FALSE
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#endif
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#define TARGET_SYMBOL_FIELDS int local:1; unsigned long sy_name_offset;
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/* should be conditional on address size! */
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#define som_symbol(asymbol) ((som_symbol_type *)(&(asymbol)->the_bfd))
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#define S_SET_OTHER(S,V) (som_symbol((S)->bsym)->other = (V))
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#define S_SET_TYPE(S,T) (som_symbol((S)->bsym)->type = (T))
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#define S_SET_DESC(S,D) (som_symbol((S)->bsym)->desc = (D))
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#define S_GET_OTHER(S) (som_symbol((S)->bsym)->other)
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#define S_GET_TYPE(S) (som_symbol((S)->bsym)->type)
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#define S_GET_DESC(S) (som_symbol((S)->bsym)->desc)
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#define S_SET_SIZE(S,V) (som_symbol((S)->bsym)->internal_som_sym.st_size)
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extern void som_file_symbol PARAMS ((char *));
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extern void obj_som_version PARAMS ((int));
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extern void obj_som_init_stab_section PARAMS ((segT));
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#define obj_symbol_new_hook(s) {;}
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/* SOM has several attributes for spaces/subspaces which can not
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be easily expressed in BFD. We use these macros to trigger calls
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into the SOM BFD backend to set these attributes. */
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#define obj_set_section_attributes bfd_som_set_section_attributes
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#define obj_set_subsection_attributes bfd_som_set_subsection_attributes
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/* Stabs go in a separate sections. GDB expects to find them in sections
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with the names $GDB_SYMBOLS$ and $GDB_STRINGS$ rather than .stab and
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.stabstr. */
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#define SEPARATE_STAB_SECTIONS
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#define STAB_SECTION_NAME "$GDB_SYMBOLS$"
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#define STAB_STRING_SECTION_NAME "$GDB_STRINGS$"
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/* We use INIT_STAB_SECTION to record the space/subspace relationships
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for the various debugging sections. */
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#define INIT_STAB_SECTION(seg) obj_som_init_stab_section (seg)
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#endif /* _OBJ_SOM_H */
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