* app.c: MRI compatibility - allow single quote to start a string.
* as.c: fix typo recently introduced. * as.h : Don't include aout/reloc.h - it's not right for COFF! * expr.c: Much rewriting, to accomodate MRI syntax for expressions. Also easier to read now. * listing.c: Put back defuns * read.c: modified to accept MRI syntax, put back listing pseudo ops so that an assembler built with NO_LISTING ignores list ops rather than pukes. * write.c, write.h: fixs - only keep a reloc type in a fix if the target machine is a SPARC or a 29K. * config/obj-aout.c: added s_sect pseudo op * config/obj-coffbfd.c: lints, set the filehdr flags right and fill in the timestamp. * config/obj-coffbfd.h: Since we don't include aout/reloc.h anymore, define all the relocs which the tc-<x> bit will use so we can translate from them to the coff types. * config/tc-a29k.c: reloc_type isn't ane enum any more * config/tc-m68k.c: Added NO_RELOC definition. Now compiles for sparc aout, 68k aout (MRI and MIT syntax), 29k coff. So far works as replacement for sparc and 68k /bin/as.
This commit is contained in:
Steve Chamberlain
parent
3b548344d0
commit
c593cf412b
@ -30,6 +30,7 @@ Things-to-keep:
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.gdbinit
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COPYING
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ChangeLog
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Makefile.bat
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Makefile.in
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NOTES
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NOTES.config
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@ -51,7 +52,7 @@ bignum-copy.c
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bignum.h
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cond.c
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config
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configdos.bat
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configure.bat
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configure.in
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debug.c
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doc
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@ -105,7 +106,33 @@ echo Done in `pwd`.
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#
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#
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# $Log$
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# Revision 1.9 1992/02/17 15:52:52 rich
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# Revision 1.10 1992/02/22 20:44:46 sac
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# * app.c: MRI compatibility - allow single quote to start a string.
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# * as.c: fix typo recently introduced.
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# * as.h : Don't include aout/reloc.h - it's not right for COFF!
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# * expr.c: Much rewriting, to accomodate MRI syntax for
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# expressions. Also easier to read now.
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# * listing.c: Put back defuns
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# * read.c: modified to accept MRI syntax, put back listing pseudo
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# ops so that an assembler built with NO_LISTING ignores list ops
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# rather than pukes.
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# * write.c, write.h: fixs - only keep a reloc type in a fix if the target
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# machine is a SPARC or a 29K.
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# * config/obj-aout.c: added s_sect pseudo op
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# * config/obj-coffbfd.c: lints, set the filehdr flags right and
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# fill in the timestamp.
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# * config/obj-coffbfd.h: Since we don't include aout/reloc.h
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# anymore, define all the relocs which the tc-<x> bit will use so we
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# can translate from them to the coff types.
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# * config/tc-a29k.c: reloc_type isn't ane enum any more
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# * config/tc-m68k.c: Added NO_RELOC definition.
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#
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# Now compiles for sparc aout, 68k aout (MRI and MIT syntax),
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# 29k coff.
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#
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# So far works as replacement for sparc and 68k /bin/as.
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#
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# Revision 1.9 1992/02/17 15:52:52 rich
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# fighting bitrot in a major way
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#
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# Revision 1.8 1992/02/14 00:21:34 pesch
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@ -1,5 +1,30 @@
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Sat Feb 22 12:26:28 1992 Steve Chamberlain (sac at rtl.cygnus.com)
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* app.c: MRI compatibility - allow single quote to start a string.
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* as.c: fix typo recently introduced.
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* as.h : Don't include aout/reloc.h - it's not right for COFF!
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* expr.c: Much rewriting, to accomodate MRI syntax for
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expressions. Also easier to read now.
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* listing.c: Put back defuns
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* read.c: modified to accept MRI syntax, put back listing pseudo
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ops so that an assembler built with NO_LISTING ignores list ops
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rather than pukes.
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* write.c, write.h: fixs - only keep a reloc type in a fix if the target
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machine is a SPARC or a 29K.
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* config/obj-aout.c: added s_sect pseudo op
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* config/obj-coffbfd.c: lints, set the filehdr flags right and
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fill in the timestamp.
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* config/obj-coffbfd.h: Since we don't include aout/reloc.h
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anymore, define all the relocs which the tc-<x> bit will use so we
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can translate from them to the coff types.
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* config/tc-a29k.c: reloc_type isn't ane enum any more
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* config/tc-m68k.c: Added NO_RELOC definition.
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Fri Feb 21 06:21:07 1992 K. Richard Pixley (rich@rtl.cygnus.com)
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* Makefile.in: put header files before C source for TAGS; remove
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references to non-existent syscalls.h.
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* read.c, write.c subsegs.c: back out the .bss changes.
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Fri Feb 21 01:08:48 1992 Minh Tran-Le (TRANLE@INTELLICORP.COM)
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9
gas/as.h
9
gas/as.h
@ -65,7 +65,7 @@
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#include <stdio.h>
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#include <assert.h>
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#include "listing.h"
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#define obstack_chunk_alloc xmalloc
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#define obstack_chunk_free xfree
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@ -263,7 +263,7 @@ struct frag /* a code fragment */
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typedef struct frag fragS;
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COMMON fragS * frag_now; /* -> current frag we are building. */
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COMMON fragS *frag_now; /* -> current frag we are building. */
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/* This frag is incomplete. */
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/* It is, however, included in frchain_now. */
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/* Frag_now->fr_fix is bogus. Use: */
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@ -389,7 +389,8 @@ void subsegs_begin();
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/* these define types needed by the interfaces */
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#include "struc-symbol.h"
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#include "aout/reloc.h"
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/*#include "aout/reloc.h"*/
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#include "write.h"
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#include "expr.h"
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#include "frags.h"
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@ -400,6 +401,8 @@ void subsegs_begin();
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#include "tc.h"
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#include "obj.h"
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#include "listing.h"
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/*
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* Local Variables:
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* comment-column: 0
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File diff suppressed because it is too large
Load Diff
@ -40,6 +40,20 @@
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#elif defined(TC_A29K)
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#include "coff/a29k.h"
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#define TARGET_FORMAT "coff-a29k-big"
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/* Allow translate from aout relocs to coff relocs */
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#define NO_RELOC 20
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#define RELOC_32 1
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#define RELOC_8 2
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#define RELOC_CONST 3
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#define RELOC_CONSTH 4
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#define RELOC_JUMPTARG 5
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#define RELOC_BASE22 6
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#define RELOC_HI22 7
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#define RELOC_LO10 8
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#define RELOC_BASE13 9
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#define RELOC_WDISP22 10
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#define RELOC_WDISP30 11
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#else
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help me
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#endif
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@ -48,7 +48,10 @@ struct machine_it {
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expressionS exp;
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int pcrel;
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int reloc_offset; /* Offset of reloc within insn */
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enum reloc_type reloc;
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int reloc;
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} the_insn;
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#if __STDC__ == 1
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@ -861,10 +864,6 @@ short tc_coff_fix2rtype(fixP)
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fixS *fixP;
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{
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/* FIXME-NOW: relocation type handling is not yet written for
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a29k. */
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switch (fixP->fx_r_type) {
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case RELOC_32: return(R_WORD);
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case RELOC_8: return(R_BYTE);
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@ -1,38 +1,42 @@
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/* tc-a29k.h -- Assemble for the AMD 29000.
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Copyright (C) 1989, 1990, 1991, 1992 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 2, 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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Copyright (C) 1989, 1990, 1991 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 2, 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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/* $Id$ */
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#define TC_A29K
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#define tc_aout_pre_write_hook(x) {;} /* not used */
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#define tc_coff_symbol_emit_hook(a) {;} /* not used */
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#define tc_crawl_symbol_chain(a) {;} /* not used */
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#define tc_headers_hook(a) {;} /* not used */
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#define tc_headers_hook(a) ; /* not used */
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#define tc_headers_hook(a) ; /* not used */
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#define tc_crawl_symbol_chain(a) ; /* not used */
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#define tc_coff_symbol_emit_hook(a) ; /* not used */
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#define AOUT_MACHTYPE 101
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#define TC_COFF_FIX2RTYPE(fix_ptr) tc_coff_fix2rtype(fix_ptr)
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#define BFD_ARCH bfd_arch_a29k
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#define COFF_MAGIC SIPFBOMAGIC
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/* Should the reloc be output ?
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on the 29k, this is true only if there is a symbol attatched.
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on the h8, this is allways true, since no fixup is done
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*/
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on the 29k, this is true only if there is a symbol attatched.
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on the h8, this is allways true, since no fixup is done
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*/
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#define TC_COUNT_RELOC(x) (x->fx_addsy)
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/* end of tc-a29k.h */
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#define COFF_FLAGS F_AR32W
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#define reloc_type int
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1257
gas/expr.c
1257
gas/expr.c
File diff suppressed because it is too large
Load Diff
1544
gas/listing.c
1544
gas/listing.c
File diff suppressed because it is too large
Load Diff
89
gas/write.c
89
gas/write.c
@ -18,16 +18,7 @@
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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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/*
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This thing should be set up to do byteordering correctly. But...
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In order to cross-assemble the target machine must have an a.out header
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similar to the one in a.out.h on THIS machine. Byteorder doesn't matter,
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we take special care of it, but the numbers must be the same SIZE (# of
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bytes) and in the same PLACE. If this is not true, you will have some
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trouble.
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*/
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||||
/* This thing should be set up to do byteordering correctly. But... */
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#include "as.h"
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#include "subsegs.h"
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@ -45,11 +36,9 @@
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#ifndef MANY_SEGMENTS
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static struct frag *text_frag_root;
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static struct frag *data_frag_root;
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static struct frag *bss_frag_root;
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|
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static struct frag *text_last_frag; /* Last frag in segment. */
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static struct frag *data_last_frag; /* Last frag in segment. */
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static struct frag *bss_last_frag; /* Last frag in segment. */
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#endif
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static object_headers headers;
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@ -94,7 +83,9 @@ symbolS *add_symbol; /* X_add_symbol. */
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symbolS *sub_symbol; /* X_subtract_symbol. */
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||||
long offset; /* X_add_number. */
|
||||
int pcrel; /* TRUE if PC-relative relocation. */
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||||
enum reloc_type r_type; /* Relocation type */
|
||||
#if defined(TC_SPARC) || defined(TC_A29K)
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||||
int r_type; /* Relocation type */
|
||||
#endif
|
||||
{
|
||||
fixS *fixP;
|
||||
|
||||
@ -107,8 +98,9 @@ enum reloc_type r_type; /* Relocation type */
|
||||
fixP->fx_subsy = sub_symbol;
|
||||
fixP->fx_offset = offset;
|
||||
fixP->fx_pcrel = pcrel;
|
||||
#if defined(TC_SPARC) || defined(TC_A29K)
|
||||
fixP->fx_r_type = r_type;
|
||||
|
||||
#endif
|
||||
/* JF these 'cuz of the NS32K stuff */
|
||||
fixP->fx_im_disp = 0;
|
||||
fixP->fx_pcrel_adjust = 0;
|
||||
@ -207,23 +199,17 @@ void write_object_file()
|
||||
for (frchainP = frchain_root; frchainP; frchainP = next_frchainP) {
|
||||
know( frchainP->frch_root );
|
||||
* prev_fragPP = frchainP->frch_root;
|
||||
prev_fragPP = & frchainP->frch_last->fr_next;
|
||||
next_frchainP = frchainP->frch_next;
|
||||
|
||||
if (next_frchainP == NULL)
|
||||
{
|
||||
bss_last_frag = frchainP->frch_last;
|
||||
}
|
||||
else if (next_frchainP == data0_frchainP)
|
||||
{
|
||||
text_last_frag = frchainP->frch_last;
|
||||
prev_fragPP = & data_frag_root;
|
||||
}
|
||||
else if (next_frchainP == bss0_frchainP)
|
||||
{
|
||||
data_last_frag = frchainP->frch_last;
|
||||
prev_fragPP = & bss_frag_root;
|
||||
}
|
||||
prev_fragPP = & frchainP->frch_last->fr_next;
|
||||
|
||||
if (((next_frchainP = frchainP->frch_next) == NULL)
|
||||
|| next_frchainP == data0_frchainP) {
|
||||
prev_fragPP = & data_frag_root;
|
||||
if (next_frchainP) {
|
||||
text_last_frag = frchainP->frch_last;
|
||||
} else {
|
||||
data_last_frag = frchainP->frch_last;
|
||||
}
|
||||
}
|
||||
} /* walk the frag chain */
|
||||
|
||||
/*
|
||||
@ -248,7 +234,6 @@ void write_object_file()
|
||||
|
||||
relax_segment(text_frag_root, SEG_TEXT);
|
||||
relax_segment(data_frag_root, SEG_DATA);
|
||||
relax_segment(bss_frag_root, SEG_BSS);
|
||||
/*
|
||||
* Now the addresses of frags are correct within the segment.
|
||||
*/
|
||||
@ -287,18 +272,7 @@ void write_object_file()
|
||||
bss_address_frag.fr_address = (H_GET_TEXT_SIZE(&headers) +
|
||||
H_GET_DATA_SIZE(&headers));
|
||||
|
||||
H_SET_BSS_SIZE(&headers, bss_last_frag->fr_address);
|
||||
|
||||
/*
|
||||
* now fixup all bss frags addresses
|
||||
*/
|
||||
if (bss_frag_root)
|
||||
{
|
||||
relax_addressT slide;
|
||||
slide = bss_address_frag.fr_address;
|
||||
for (fragP = bss_frag_root; fragP; fragP = fragP->fr_next)
|
||||
fragP->fr_address += slide;
|
||||
}
|
||||
H_SET_BSS_SIZE(&headers,local_bss_counter);
|
||||
|
||||
/*
|
||||
*
|
||||
@ -410,11 +384,17 @@ void write_object_file()
|
||||
lie->sub,
|
||||
lie->addnum,
|
||||
0, 0, 2, 0, 0);
|
||||
#else /* TC_NS32K */
|
||||
#elif defined(TC_SPARC) || defined(TC_A29K)
|
||||
fix_new( lie->frag, lie->word_goes_here - lie->frag->fr_literal,
|
||||
2, lie->add,
|
||||
lie->sub, lie->addnum,
|
||||
0, NO_RELOC);
|
||||
#else
|
||||
fix_new( lie->frag, lie->word_goes_here - lie->frag->fr_literal,
|
||||
2, lie->add,
|
||||
lie->sub, lie->addnum,
|
||||
0, 0);
|
||||
|
||||
#endif /* TC_NS32K */
|
||||
/* md_number_to_chars(lie->word_goes_here,
|
||||
S_GET_VALUE(lie->add)
|
||||
@ -620,14 +600,14 @@ void write_object_file()
|
||||
|
||||
void relax_segment(segment_frag_root, segment)
|
||||
struct frag * segment_frag_root;
|
||||
segT segment; /* SEG_DATA or SEG_TEXT or SEG_BSS */
|
||||
segT segment; /* SEG_DATA or SEG_TEXT */
|
||||
{
|
||||
register struct frag * fragP;
|
||||
register relax_addressT address;
|
||||
/* register relax_addressT old_address; JF unused */
|
||||
/* register relax_addressT new_address; JF unused */
|
||||
#ifndef MANY_SEGMENTS
|
||||
know(segment == SEG_DATA || segment == SEG_TEXT || segment == SEG_BSS);
|
||||
know(segment == SEG_DATA || segment == SEG_TEXT);
|
||||
#endif
|
||||
/* In case md_estimate_size_before_relax() wants to make fixSs. */
|
||||
subseg_change(segment, 0);
|
||||
@ -768,10 +748,7 @@ segT segment; /* SEG_DATA or SEG_TEXT or SEG_BSS */
|
||||
if (symbolP) {
|
||||
#ifdef MANY_SEGMENTS
|
||||
#else
|
||||
know((S_GET_SEGMENT(symbolP) == SEG_ABSOLUTE)
|
||||
|| (S_GET_SEGMENT(symbolP) == SEG_DATA)
|
||||
|| (S_GET_SEGMENT(symbolP) == SEG_TEXT)
|
||||
|| (S_GET_SEGMENT(symbolP) == SEG_BSS));
|
||||
know((S_GET_SEGMENT(symbolP) == SEG_ABSOLUTE) || (S_GET_SEGMENT(symbolP) == SEG_DATA) || (S_GET_SEGMENT(symbolP) == SEG_TEXT));
|
||||
know(symbolP->sy_frag);
|
||||
know(!(S_GET_SEGMENT(symbolP) == SEG_ABSOLUTE) || (symbolP->sy_frag == &zero_address_frag));
|
||||
#endif
|
||||
@ -1084,16 +1061,10 @@ segT this_segment_type; /* N_TYPE bits for segment. */
|
||||
#endif /* TC_I960 */
|
||||
|
||||
#ifdef OBJ_COFF
|
||||
/* This really needed to be
|
||||
like this for COFF output.
|
||||
- mtranle@paris
|
||||
|
||||
But I'm not sure it's right
|
||||
for i960 or a29k coff.
|
||||
xoxorich. */
|
||||
|
||||
#ifdef TE_I386AIX
|
||||
if (S_IS_COMMON(add_symbolP))
|
||||
add_number += S_GET_VALUE(add_symbolP);
|
||||
#endif /* TE_I386AIX */
|
||||
#endif /* OBJ_COFF */
|
||||
++seg_reloc_count;
|
||||
|
||||
|
||||
60
gas/write.h
60
gas/write.h
@ -35,49 +35,32 @@
|
||||
|
||||
#define S_LOCAL_NAME(s) (LOCAL_LABEL(S_GET_NAME(s)))
|
||||
|
||||
/* The bit_fix was implemented to support machines that need variables
|
||||
to be inserted in bitfields other than 1, 2 and 4 bytes.
|
||||
Furthermore it gives us a possibillity to mask in bits in the symbol
|
||||
when it's fixed in the objectcode and check the symbols limits.
|
||||
|
||||
The or-mask is used to set the huffman bits in displacements for the
|
||||
ns32k port.
|
||||
The acbi, addqi, movqi, cmpqi instruction requires an assembler that
|
||||
can handle bitfields. Ie handle an expression, evaluate it and insert
|
||||
the result in an some bitfield. ( ex: 5 bits in a short field of a opcode)
|
||||
*/
|
||||
#include "bit_fix.h"
|
||||
|
||||
struct bit_fix {
|
||||
int fx_bit_size; /* Length of bitfield */
|
||||
int fx_bit_offset; /* Bit offset to bitfield */
|
||||
long fx_bit_base; /* Where do we apply the bitfix.
|
||||
If this is zero, default is assumed. */
|
||||
long fx_bit_base_adj;/* Adjustment of base */
|
||||
long fx_bit_max; /* Signextended max for bitfield */
|
||||
long fx_bit_min; /* Signextended min for bitfield */
|
||||
long fx_bit_add; /* Or mask, used for huffman prefix */
|
||||
};
|
||||
typedef struct bit_fix bit_fixS;
|
||||
/*
|
||||
* FixSs may be built up in any order.
|
||||
*/
|
||||
|
||||
struct fix {
|
||||
fragS *fx_frag; /* Which frag? */
|
||||
long fx_where; /* Where is the 1st byte to fix up? */
|
||||
symbolS *fx_addsy; /* NULL or Symbol whose value we add in. */
|
||||
symbolS *fx_subsy; /* NULL or Symbol whose value we subtract. */
|
||||
long fx_offset; /* Absolute number we add in. */
|
||||
struct fix *fx_next; /* NULL or -> next fixS. */
|
||||
short int fx_size; /* How many bytes are involved? */
|
||||
char fx_pcrel; /* TRUE: pc-relative. */
|
||||
char fx_pcrel_adjust;/* pc-relative offset adjust */
|
||||
char fx_im_disp; /* TRUE: value is a displacement */
|
||||
bit_fixS *fx_bit_fixP; /* IF NULL no bitfix's to do */
|
||||
char fx_bsr; /* sequent-hack */
|
||||
enum reloc_type fx_r_type; /* Sparc hacks */
|
||||
char fx_callj; /* TRUE if target is a 'callj'
|
||||
(used by i960) */
|
||||
fragS *fx_frag; /* Which frag? */
|
||||
long fx_where; /* Where is the 1st byte to fix up? */
|
||||
symbolS *fx_addsy; /* NULL or Symbol whose value we add in. */
|
||||
symbolS *fx_subsy; /* NULL or Symbol whose value we subtract. */
|
||||
long fx_offset; /* Absolute number we add in. */
|
||||
struct fix *fx_next; /* NULL or -> next fixS. */
|
||||
short int fx_size; /* How many bytes are involved? */
|
||||
char fx_pcrel; /* TRUE: pc-relative. */
|
||||
char fx_pcrel_adjust; /* pc-relative offset adjust */
|
||||
char fx_im_disp; /* TRUE: value is a displacement */
|
||||
bit_fixS *fx_bit_fixP; /* IF NULL no bitfix's to do */
|
||||
char fx_bsr; /* sequent-hack */
|
||||
#if defined(TC_SPARC) || defined(TC_A29K)
|
||||
/* Hacks for machines where the type of reloc can't be
|
||||
worked out by looking at how big it is */
|
||||
|
||||
int fx_r_type;
|
||||
#endif
|
||||
char fx_callj; /* TRUE if target is a 'callj' (used by i960) */
|
||||
long fx_addnumber;
|
||||
};
|
||||
|
||||
@ -88,6 +71,7 @@ COMMON char *next_object_file_charP;
|
||||
#ifndef MANY_SEGMENTS
|
||||
COMMON fixS *text_fix_root, *text_fix_tail; /* Chains fixSs. */
|
||||
COMMON fixS *data_fix_root, *data_fix_tail; /* Chains fixSs. */
|
||||
COMMON fixS *bss_fix_root, *bss_fix_tail; /* Chains fixSs. */
|
||||
#endif
|
||||
COMMON fixS **seg_fix_rootP, **seg_fix_tailP; /* -> one of above. */
|
||||
extern long string_byte_count;
|
||||
@ -95,7 +79,7 @@ extern int section_alignment[];
|
||||
|
||||
#if __STDC__ == 1
|
||||
|
||||
bit_fixS *bit_fix_new(char size, char offset, long base_type, long base_adj, long min, long max, long add);
|
||||
bit_fixS *bit_fix_new(int size, int offset, long base_type, long base_adj, long min, long max, long add);
|
||||
void append(char **charPP, char *fromP, unsigned long length);
|
||||
void record_alignment(segT seg, int align);
|
||||
void write_object_file(void);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user