Initial revision

1 files changed, 223 insertions, 0 deletions

diff --git a/ld/ld-gld68k.c b/ld/ld-gld68k.c
new file mode 100755
index 0000000..004594b
--- /dev/null
+++ b/ld/ld-gld68k.c
@@ -0,0 +1,223 @@
+/* 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:#
+*/
+
+/* 
+ * emulate the original gld running on a 68k system
+ *
+ *  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 gld68k_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_m68k;
+}
+
+
+static void 
+gld68k_after_parse()
+{
+
+}
+
+static void
+gld68k_after_allocation()
+{
+
+}
+
+static void
+gld68k_before_allocation()
+{
+
+}
+
+
+static void
+gld68k_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 *
+gld68k_choose_target()
+{
+  char *from_outside = getenv(TARGET_ENVIRON);
+  if (from_outside != (char *)NULL)
+    return from_outside;
+  return GLD68K_TARGET;
+}
+
+static void
+gld68k_syslib()
+{
+  info("%S SYSLIB ignored\n");
+}
+
+static void
+gld68k_hll(ignore)
+char  *ignore;
+{
+  info("%S HLL ignored\n");
+}
+
+static char *gld68k_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(0x20000)  :		\
+  { 					\
+    *(.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 *gld68k_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 *gld68k_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 *gld68k_get_script()
+{			     
+  extern ld_config_type config;
+  if (config.relocateable_output == true &&
+      config.build_constructors == true) {
+    return gld68k_script_option_Ur;
+  }
+  if (config.relocateable_output) {
+    return gld68k_script_option_r;
+  }
+	
+  return gld68k_script;
+}
+struct ld_emulation_xfer_struct ld_gld68k_emulation = 
+{
+  gld68k_before_parse,
+  gld68k_syslib,
+  gld68k_hll,
+  gld68k_after_parse,
+  gld68k_after_allocation,
+  gld68k_set_output_arch,
+  gld68k_choose_target,
+  gld68k_before_allocation,
+  gld68k_get_script,
+};
+