aboutsummaryrefslogtreecommitdiff
path: root/ld/ld-gld68k.c
diff options
context:
space:
mode:
authorSteve Chamberlain <steve@cygnus>1991-04-03 22:08:46 +0000
committerSteve Chamberlain <steve@cygnus>1991-04-03 22:08:46 +0000
commita7fe4c5997d904fa2dfeaa88b5e315ab9524823b (patch)
tree8c0deed08e457804b12cb2cefe3df4bc00a62b9b /ld/ld-gld68k.c
parent4bf6219f87f7983db686f31e4d9ad3a53c185857 (diff)
downloadgdb-a7fe4c5997d904fa2dfeaa88b5e315ab9524823b.zip
gdb-a7fe4c5997d904fa2dfeaa88b5e315ab9524823b.tar.gz
gdb-a7fe4c5997d904fa2dfeaa88b5e315ab9524823b.tar.bz2
Initial revision
Diffstat (limited to 'ld/ld-gld68k.c')
-rwxr-xr-xld/ld-gld68k.c223
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,
+};
+