1 files changed, 129 insertions, 0 deletions
diff --git a/gas/obsolete/gdb-symbols.c b/gas/obsolete/gdb-symbols.c
new file mode 100644
index 0000000..8bd8f7d
--- /dev/null
+++ b/gas/obsolete/gdb-symbols.c
@@ -0,0 +1,129 @@
+/* gdb_symbols.c - Deal with symbols for GDB format
+   Copyright (C) 1987 Free Software Foundation, Inc.
+
+This file is part of GAS, the GNU Assembler.
+
+GAS 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.
+
+GAS 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 GAS; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/*
+ * During assembly, note requests to place symbol values in the GDB
+ * symbol file. When symbol values are known and the symbol file is
+ * in memory, place the symbol values in the memory image of the file.
+ *
+ * This has static data: it is not data_sharable.
+ *
+ * gdb_symbols_begin ()
+ *		Call once before using this package.
+ *
+ * gdb_symbols_fixup (symbolP, offset_in_file)
+ *		Remember to put the value of a symbol into the GDB file.
+ *
+ * gdb_symbols_emit  ()
+ *		Perform all the symbol fixups.
+ *
+ * uses:
+ *	xmalloc()
+ *	gdb_alter()
+ */
+
+#include "as.h"
+#include "struc-symbol.h"
+
+#define SYM_GROUP (100)		/* We allocate storage in lumps this big. */
+
+
+struct gdb_symbol		/* 1 fixup request. */
+{
+  symbolS *	gs_symbol;
+  long int	gs_offset;	/* Where in GDB symbol file. */
+};
+typedef struct gdb_symbol gdb_symbolS;
+
+struct symbol_fixup_group
+{
+  struct symbol_fixup_group *	sfg_next;
+  gdb_symbolS			sfg_item [SYM_GROUP];
+};
+typedef struct symbol_fixup_group symbol_fixup_groupS;
+
+static symbol_fixup_groupS *	root;
+static short int		used; /* # of last slot used. */
+				/* Counts down from SYM_GROUP. */
+
+static symbol_fixup_groupS *	/* Make storage for some more reminders. */
+new_sfg ()
+{
+  symbol_fixup_groupS *		newP;
+  char *			xmalloc();
+
+  newP = (symbol_fixup_groupS *) xmalloc ((long)sizeof(symbol_fixup_groupS));
+  newP -> sfg_next = root;
+  used = SYM_GROUP;
+  root = newP;
+  return (newP);
+}
+
+
+void
+gdb_symbols_begin ()
+{
+  root = 0;
+  (void)new_sfg ();
+}
+
+
+void				/* Build a reminder to put a symbol value */
+gdb_symbols_fixup (sy, offset)	/* into the GDB symbol file. */
+     symbolS *	sy;		/* Which symbol. */
+     long int	offset;		/* Where in GDB symbol file. */
+{
+  register symbol_fixup_groupS *	p;
+  register gdb_symbolS *		q;
+      
+  p = root;
+  know( used >= 0 );
+  if ( used == 0)
+    {
+      p = new_sfg ();
+    }
+  q = p -> sfg_item + -- used;
+  q -> gs_symbol = sy;
+  q -> gs_offset = offset;
+}
+
+void
+gdb_symbols_emit ()		/* Append GDB symbols to object file. */
+{
+  symbol_fixup_groupS *	sfgP;
+  void gdb_alter();
+  
+  for (sfgP = root;  sfgP;  sfgP = sfgP -> sfg_next)
+    {
+      register gdb_symbolS *	gsP;
+      register gdb_symbolS *	limit;
+
+      limit = sfgP -> sfg_item +
+	(sfgP -> sfg_next ? 0 : used);
+      for (gsP = sfgP -> sfg_item + SYM_GROUP - 1;
+	   gsP >= limit;
+	   gsP --)
+	{
+	  gdb_alter (gsP -> gs_offset,
+		     (long int) gsP -> gs_symbol -> sy_value);
+	}
+    }
+}
+
+/* end: gdb_symbols.c */