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Diffstat (limited to 'ld/ld-gld960.c')
-rwxr-xr-x | ld/ld-gld960.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/ld/ld-gld960.c b/ld/ld-gld960.c new file mode 100755 index 0000000..5e0c1a2 --- /dev/null +++ b/ld/ld-gld960.c @@ -0,0 +1,189 @@ +/* Copyright (C) 1991 Free Software Foundation, Inc. + +This file is part of GLD, the Gnu Linker. + +GLD 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. + +GLD 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 GLD; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* + $Id$ + + $Log$ + Revision 1.1 1991/03/21 21:28:26 gumby + Initial revision + + * Revision 1.3 1991/03/16 22:27:24 rich + * fish + * + * Revision 1.2 1991/03/15 18:45:55 rich + * foo + * + * Revision 1.1 1991/03/13 00:48:12 chrisb + * Initial revision + * + * Revision 1.4 1991/03/10 09:31:19 rich + * Modified Files: + * Makefile config.h ld-emul.c ld-emul.h ld-gld.c ld-gld960.c + * ld-lnk960.c ld.h lddigest.c ldexp.c ldexp.h ldfile.c ldfile.h + * ldgram.y ldinfo.h ldlang.c ldlang.h ldlex.h ldlex.l ldmain.c + * ldmain.h ldmisc.c ldmisc.h ldsym.c ldsym.h ldversion.c + * ldversion.h ldwarn.h ldwrite.c ldwrite.h y.tab.h + * + * As of this round of changes, ld now builds on all hosts of (Intel960) + * interest and copy passes my copy test on big endian hosts again. + * + * Revision 1.3 1991/02/22 17:14:57 sac + * Added RCS keywords and copyrights + * +*/ + +/* + * emulate the Intels port of gld + */ + + +#include "sysdep.h" +#include "bfd.h" + + +#include "ld.h" +#include "config.h" +#include "ld-emul.h" +#include "ldfile.h" +#include "ldmisc.h" + + +/* IMPORTS */ +extern char *output_filename; +extern boolean lang_float_flag; + + +extern enum bfd_architecture ldfile_output_architecture; +extern unsigned long ldfile_output_machine; +extern char *ldfile_output_machine_name; + +extern bfd *output_bfd; + + + +static void gld960_before_parse() +{ + char *env ; + env = getenv("G960LIB"); + if (env) { + ldfile_add_library_path(env); + } + env = getenv("G960BASE"); + if (env) { + ldfile_add_library_path(concat(env,"/lib","")); + } + ldfile_output_architecture = bfd_arch_i960; +} + + +static void +gld960_after_parse() +{ + +} + +static void +gld960_after_allocation() +{ + +} + +static void +gld960_before_allocation() +{ + +} + + +static void +gld960_set_output_arch() +{ + /* Set the output architecture and machine if possible */ + unsigned long machine = 0; + bfd_set_arch_mach(output_bfd, ldfile_output_architecture, machine); +} + +static char * +gld960_choose_target() +{ + char *from_outside = getenv(TARGET_ENVIRON); + output_filename = "b.out"; + + if (from_outside != (char *)NULL) + return from_outside; + return GLD960_TARGET; +} + +static void +gld960_syslib() +{ + info("%S SYSLIB ignored\n"); +} + +static void +gld960_hll() +{ + info("%S HLL ignored\n"); +} + + +static char *script = "\ + \ +SECTIONS \ +{ \ + .text : \ + { \ + CREATE_OBJECT_SYMBOLS \ + *(.text) \ + _etext =.;\ + } \ + \ + .data SIZEOF(.text) + ADDR(.text):\ + { \ + \ + *(.data) \ + _edata = .; \ + } \ + .bss SIZEOF(.data) + ADDR(.data) : \ + { _bss_start = .;\ + *(.bss) \ + [COMMON] \ + _end = . ; \ + } \ +} \ +"; + +static char * +gld960_get_script() +{ +return script; +} + +struct ld_emulation_xfer_struct ld_gld960_emulation = +{ + gld960_before_parse, + gld960_syslib, + gld960_hll, + gld960_after_parse, + gld960_after_allocation, + gld960_set_output_arch, + gld960_choose_target, + gld960_before_allocation, + gld960_get_script, +}; |