Fri Sep 25 11:08:01 1992 Steve Chamberlain (sac@thepub.cygnus.com)
Added initial support for the z8k * z8ksim.em, z8ksim.sc-sh, z8ksim.sh: new files * configure.in, Makefile.in: modified to reflect above * ldlang.c (lang_check): when linking conflicting architectures, make the output file reflect at least one of the bad inputs.
This commit is contained in:
Steve Chamberlain
parent
f4e5603151
commit
22a78f0d96
15
ld/.Sanitize
15
ld/.Sanitize
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@ -119,6 +119,9 @@ sun4.sh
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vanilla.em
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vanilla.sc-sh
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vanilla.sh
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z8ksim.em
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z8ksim.sc-sh
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z8ksim.sh
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Do-last:
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@ -127,7 +130,17 @@ echo Done in `pwd`.
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#
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#
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# $Log$
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# Revision 1.46 1992/09/11 20:43:30 sac
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# Revision 1.47 1992/09/25 18:10:41 sac
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# Fri Sep 25 11:08:01 1992 Steve Chamberlain (sac@thepub.cygnus.com)
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#
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# Added initial support for the z8k
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# * z8ksim.em, z8ksim.sc-sh, z8ksim.sh: new files
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# * configure.in, Makefile.in: modified to reflect above
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#
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# * ldlang.c (lang_check): when linking conflicting architectures,
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# make the output file reflect at least one of the bad inputs.
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#
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# Revision 1.46 1992/09/11 20:43:30 sac
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# Sanitize slip
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#
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# Revision 1.45 1992/09/11 17:47:22 sac
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@ -1,3 +1,12 @@
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Fri Sep 25 11:08:01 1992 Steve Chamberlain (sac@thepub.cygnus.com)
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Added initial support for the z8k
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* z8ksim.em, z8ksim.sc-sh, z8ksim.sh: new files
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* configure.in, Makefile.in: modified to reflect above
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* ldlang.c (lang_check): when linking conflicting architectures,
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make the output file reflect at least one of the bad inputs.
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Tue Sep 15 15:35:38 1992 Ian Lance Taylor (ian@cygnus.com)
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* Makefile.in (install): if $(tooldir) exists, install ld in
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@ -119,7 +119,7 @@ ALL_EMULATIONS=em_lnk960.o em_sun3.o em_i386aout.o em_go32.o \
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em_m88kbcs.o em_a29k.o em_news.o em_hp300bsd.o \
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em_h8300hms.o em_ebmon29k.o em_sun4.o em_gld960.o \
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em_m68kcoff.o em_h8300xray.o em_st2000.o em_sa29200.o \
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em_vanilla.o em_i386coff.o
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em_vanilla.o em_i386coff.o em_z8ksim.o
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EMULATION_OFILES=${ALL_EMULATIONS}
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#EMULATION_OFILES=em_${EMUL}.o ${OTHER_EMULATIONS}
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@ -228,6 +228,9 @@ em_h8300xray.c: $(srcdir)/h8300xray.sh \
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em_st2000.c: $(srcdir)/st2000.sh \
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$(srcdir)/st2000.em $(srcdir)/st2000.sc-sh ${GEN_DEPENDS}
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${GENSCRIPTS} st2000.sh
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em_z8ksim.c: $(srcdir)/z8ksim.sh \
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$(srcdir)/z8ksim.em $(srcdir)/z8ksim.sc-sh ${GEN_DEPENDS}
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${GENSCRIPTS} z8ksim.sh
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em_vanilla.c: $(srcdir)/vanilla.sh \
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$(srcdir)/vanilla.em $(srcdir)/vanilla.sc-sh ${GEN_DEPENDS}
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${GENSCRIPTS} vanilla.sh
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@ -381,6 +384,7 @@ ldgram.c:ldgram.y
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h8300hms.o:h8300hms.c
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h8300xray.o:h8300xray.c
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st2000.o:st2000.c
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z8ksim.o:z8ksim.c
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stage1: force
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-mkdir stage1
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54
ld/ldlang.c
54
ld/ldlang.c
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@ -1846,34 +1846,44 @@ static void
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DEFUN_VOID (lang_finish)
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{
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ldsym_type *lgs;
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int warn = 1;
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if (entry_symbol == (char *) NULL)
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{
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/* No entry has been specified, look for start */
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entry_symbol = "start";
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}
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{
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/* No entry has been specified, look for start, but don't warn */
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entry_symbol = "start";
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warn =0;
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}
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lgs = ldsym_get_soft (entry_symbol);
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if (lgs && lgs->sdefs_chain)
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{
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asymbol *sy = *(lgs->sdefs_chain);
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{
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asymbol *sy = *(lgs->sdefs_chain);
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/* We can set the entry address*/
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bfd_set_start_address (output_bfd,
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outside_symbol_address (sy));
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/* We can set the entry address*/
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bfd_set_start_address (output_bfd,
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outside_symbol_address (sy));
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}
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}
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else
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{
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/* Can't find anything reasonable,
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use the first address in the text section
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*/
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asection *ts = bfd_get_section_by_name (output_bfd, ".text");
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if (ts)
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{
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/* Can't find anything reasonable,
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use the first address in the text section
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*/
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asection *ts = bfd_get_section_by_name (output_bfd, ".text");
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if (warn)
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einfo ("%P: Warning, can't find entry symbol %s, defaulting to %V\n",
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entry_symbol, ts->vma);
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if (ts)
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{
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bfd_set_start_address (output_bfd, ts->vma);
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}
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bfd_set_start_address (output_bfd, ts->vma);
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}
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else
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{
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if (warn)
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einfo ("%P: Warning, can't find entry symbol %s, not setting start address\n",
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entry_symbol);
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}
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}
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}
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/* By now we know the target architecture, and we may have an */
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@ -1905,7 +1915,7 @@ DEFUN_VOID (lang_check)
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compatible = bfd_arch_get_compatible (input_bfd,
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output_bfd);
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if (compatible)
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{
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ldfile_output_machine = compatible->mach;
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@ -1919,8 +1929,8 @@ DEFUN_VOID (lang_check)
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bfd_printable_name (output_bfd));
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bfd_set_arch_mach (output_bfd,
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ldfile_new_output_architecture,
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ldfile_new_output_machine);
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input_architecture,
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input_machine);
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}
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}
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@ -0,0 +1,86 @@
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cat >em_${EMULATION_NAME}.c <<EOF
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/* Copyright (C) 1991 Free Software Foundation, Inc.
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This file is part of GLD, the Gnu Linker.
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GLD 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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GLD 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 GLD; 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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Written by Steve Chamberlain steve@cygnus.com
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*/
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#include "bfd.h"
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#include "sysdep.h"
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#include "ld.h"
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#include "config.h"
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#include "ldemul.h"
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#include "ldfile.h"
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#include "ldmisc.h"
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extern boolean lang_float_flag;
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extern enum bfd_architecture ldfile_output_architecture;
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extern unsigned long ldfile_output_machine;
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extern char *ldfile_output_machine_name;
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extern bfd *output_bfd;
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static void z8ksim_before_parse()
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{
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ldfile_output_architecture = bfd_arch_z8k;
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}
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static char *z8ksim_script =
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#include "z8ksim.x"
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;
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static char *z8ksim_script_option_Ur =
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#include "z8ksim.x"
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;
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static char *z8ksim_script_option_r =
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#include "z8ksim.x"
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;
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static char *z8ksim_get_script()
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{
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extern ld_config_type config;
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if (config.relocateable_output == true &&
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config.build_constructors == true) {
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return z8ksim_script_option_Ur;
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}
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if (config.relocateable_output) {
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return z8ksim_script_option_r;
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}
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return z8ksim_script;
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}
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struct ld_emulation_xfer_struct ld_z8ksim_emulation =
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{
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z8ksim_before_parse,
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syslib_default,
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hll_default,
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after_parse_default,
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after_allocation_default,
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set_output_arch_default,
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ldemul_default_target,
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before_allocation_default,
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z8ksim_get_script,
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"z8ksim"
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};
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EOF
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@ -0,0 +1,26 @@
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cat <<EOF
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OUTPUT_FORMAT("${OUTPUT_FORMAT}")
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OUTPUT_ARCH(${ARCH})
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SECTIONS
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{
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.text :
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{
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*(.text)
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*(.strings)
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_etext = .;
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*(.data)
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_edata = .;
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*(.bss)
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*(COMMON)
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_end = .;
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}
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}
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EOF
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@ -0,0 +1,8 @@
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EMULATION_NAME=z8ksim
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SCRIPT_NAME=z8ksim
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OUTPUT_FORMAT="coff-z8k"
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TEXT_START_ADDR=0x0
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PAGE_SIZE=128
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ARCH=z8k
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TEMPLATE_NAME=z8ksim
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