Initial revision

1 files changed, 258 insertions, 0 deletions

diff --git a/ld/ld-gld.c b/ld/ld-gld.c
new file mode 100755
index 0000000..4c3df1a
--- /dev/null
+++ b/ld/ld-gld.c
@@ -0,0 +1,258 @@
+/* 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 21:28:24  gumby
+ *  Initial revision
+ *
+ * Revision 1.2  1991/03/15  18:45:55  rich
+ * foo
+ *
+ * Revision 1.1  1991/03/13  00:48:11  chrisb
+ * Initial revision
+ *
+ * Revision 1.7  1991/03/10  09:31:18  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 1.6  1991/03/09  03:23:12  sac
+ * Added -Ur loader script.
+ *
+ * Revision 1.5  1991/03/06  21:59:29  sac
+ * Completed G++ support
+ *
+ * Revision 1.4  1991/03/06  02:23:34  sac
+ * Added support for partial linking.
+ *
+ * Revision 1.3  1991/02/22  17:14:56  sac
+ * Added RCS keywords and copyrights
+ *
+*/
+
+/* 
+ * emulate the original gld
+ *
+ *  Written by Steve Chamberlain steve@cygnus.com
+ */
+
+
+#include "sysdep.h"
+#include "bfd.h"
+
+
+#include "ld.h"
+#include "config.h"
+#include "ld-emul.h"
+#include "ldfile.h"
+#include "ldmisc.h"
+
+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 gld_before_parse()
+{
+  ldfile_add_library_path("/lib");
+  ldfile_add_library_path("/usr/lib");
+  ldfile_add_library_path("/usr/local/lib/lib");
+  ldfile_output_architecture = bfd_arch_sparc;
+}
+
+
+static void 
+gld_after_parse()
+{
+
+}
+
+static void
+gld_after_allocation()
+{
+
+}
+
+static void
+gld_before_allocation()
+{
+
+}
+
+
+static void
+gld_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 *
+gld_choose_target()
+{
+  char *from_outside = getenv(TARGET_ENVIRON);
+  if (from_outside != (char *)NULL)
+    return from_outside;
+  return GLD_TARGET;
+}
+
+static void
+gld_syslib()
+{
+  info("%S SYSLIB ignored\n");
+}
+
+static void
+gld_hll(ignore)
+char  *ignore;
+{
+  info("%S HLL ignored\n");
+}
+
+static char *gld_script = "  \
+SEARCH_DIR(/lib) 			\
+SEARCH_DIR(/usr/lib) 			\
+SEARCH_DIR(/usr/local/lib) 		\
+__DYNAMIC = 0; 				\
+SECTIONS 				\
+{ 					\
+  .text 0x2020 BLOCK(0x2000): 		\
+  { 					\
+   CREATE_OBJECT_SYMBOLS 		\
+    *(.text) 				\
+    _etext = ALIGN( 0x2000);       	\
+    }  					\
+  .data  ALIGN(0x2000)  :		\
+  { 					\
+    *(.data) 				\
+    ___DTOR_LIST__=. ;               	\
+    LONG((___CTOR_LIST__ - .)/4 -2)  	\
+    *(___DTOR_LIST__)                   \
+    LONG(0)                             \
+    ___CTOR_LIST__=. ;               	\
+    LONG((_edata  - .)/4 -2)            \
+    *(___CTOR_LIST__)                   \
+    LONG(0)                             \
+      _edata = .; 			\
+  }  					\
+  .bss   SIZEOF(.data) + ADDR(.data) :	\
+  { 					\
+   *(.bss)	 			\
+   [COMMON] 				\
+     _end=.;				\
+    } 					\
+}";
+
+
+static char *gld_script_option_Ur = "\
+SEARCH_DIR(/lib) 			\
+SEARCH_DIR(/usr/lib) 			\
+SEARCH_DIR(/usr/local/lib) 		\
+SECTIONS 				\
+{ 					\
+  .text 0: 				\
+  { 					\
+   CREATE_OBJECT_SYMBOLS                \
+    *(.text) 				\
+    } 					\
+  .data SIZEOF(.text) + ADDR(.text) :	\
+  { 					\
+    *(.data) 				\
+    ___DTOR_LIST__=. ;               	\
+    LONG((___CTOR_LIST__ - .)/4 -2)  	\
+    *(___DTOR_LIST__)                   \
+    LONG(0)                             \
+    ___CTOR_LIST__=. ;               	\
+    LONG((___end_list__  - .)/4 -2)     \
+    *(___CTOR_LIST__)                   \
+    LONG(0)                             \
+    ___end_list__ = . ;			\
+    } 					\
+  .bss SIZEOF(.data) + ADDR(.data) :	\
+  {					\
+    *(.bss)				\
+   [COMMON]				\
+    } 					\
+} 					\
+";			     
+
+static char *gld_script_option_r = "\
+SEARCH_DIR(/lib) 			\
+SEARCH_DIR(/usr/lib) 			\
+SEARCH_DIR(/usr/local/lib) 		\
+SECTIONS 				\
+{ 					\
+  .text 0: 				\
+  { 					\
+   CREATE_OBJECT_SYMBOLS                \
+    *(.text) 				\
+    } 					\
+  .data SIZEOF(.text) + ADDR(.text) :	\
+  { 					\
+    *(.data) 				\
+    } 					\
+  .bss SIZEOF(.data) + ADDR(.data) :	\
+  {					\
+    *(.bss)				\
+   [COMMON]				\
+    } 					\
+} 					\
+";			     
+			     
+static char *gld_get_script()
+{			     
+  extern ld_config_type config;
+  if (config.relocateable_output == true &&
+      config.build_constructors == true) {
+    return gld_script_option_Ur;
+  }
+  if (config.relocateable_output) {
+    return gld_script_option_r;
+  }
+	
+  return gld_script;
+}
+struct ld_emulation_xfer_struct ld_gld_emulation = 
+{
+  gld_before_parse,
+  gld_syslib,
+  gld_hll,
+  gld_after_parse,
+  gld_after_allocation,
+  gld_set_output_arch,
+  gld_choose_target,
+  gld_before_allocation,
+  gld_get_script,
+};
+