[patch] objfiles, maint, demangle, corefile, dwarf2expr, dwarf2-frame.c: remove unused variables.

[Michael Snyder <msnyder at vmware dot com>]

2010-05-06  Michael Snyder  <msnyder@vmware.com>

	* objfiles.c (objfile_relocate): Delete unused variable.
	* maint.c (_initialize_maint_cmds): Delete unused variable.
	* demangle.c (_initialize_demangler): Delete unused variable.
	* corefile.c (reopen_exec_file): Delete unused variable.
	* dwarf2expr.c (dwarf2_read_address): Delete unused variable.
	* dwarf2-frame.c (decode_frame_entry): Delete unused variable.

Index: objfiles.c
===================================================================
RCS file: /cvs/src/src/gdb/objfiles.c,v
retrieving revision 1.114
diff -u -p -r1.114 objfiles.c
--- objfiles.c	27 Apr 2010 20:07:01 -0000	1.114
+++ objfiles.c	6 May 2010 22:49:24 -0000
@@ -859,7 +859,6 @@ objfile_relocate (struct objfile *objfil
     {
       struct section_addr_info *objfile_addrs;
       struct section_offsets *new_debug_offsets;
-      int new_debug_num_sections;
       struct cleanup *my_cleanups;
 
       objfile_addrs = build_section_addr_info_from_objfile (objfile);
@@ -872,8 +871,8 @@ objfile_relocate (struct objfile *objfil
 
       gdb_assert (debug_objfile->num_sections
 		  == bfd_count_sections (debug_objfile->obfd));
-      new_debug_offsets = xmalloc (SIZEOF_N_SECTION_OFFSETS
-						 (debug_objfile->num_sections));
+      new_debug_offsets = 
+	xmalloc (SIZEOF_N_SECTION_OFFSETS (debug_objfile->num_sections));
       make_cleanup (xfree, new_debug_offsets);
       relative_addr_info_to_section_offsets (new_debug_offsets,
 					     debug_objfile->num_sections,
Index: maint.c
===================================================================
RCS file: /cvs/src/src/gdb/maint.c,v
retrieving revision 1.75
diff -u -p -r1.75 maint.c
--- maint.c	1 Jan 2010 07:31:37 -0000	1.75
+++ maint.c	6 May 2010 22:49:24 -0000
@@ -736,8 +736,6 @@ maintenance_set_profile_cmd (char *args,
 void
 _initialize_maint_cmds (void)
 {
-  struct cmd_list_element *tmpcmd;
-
   add_prefix_cmd ("maintenance", class_maintenance, maintenance_command, _("\
 Commands for use by GDB maintainers.\n\
 Includes commands to dump specific internal GDB structures in\n\
Index: demangle.c
===================================================================
RCS file: /cvs/src/src/gdb/demangle.c,v
retrieving revision 1.24
diff -u -p -r1.24 demangle.c
--- demangle.c	1 Jan 2010 07:31:30 -0000	1.24
+++ demangle.c	6 May 2010 22:49:24 -0000
@@ -177,7 +177,6 @@ is_cplus_marker (int c)
 void
 _initialize_demangler (void)
 {
-  struct cmd_list_element *set, *show;
   int i, ndems;
 
   /* Fill the demangling_style_names[] array.  */
Index: corefile.c
===================================================================
RCS file: /cvs/src/src/gdb/corefile.c,v
retrieving revision 1.56
diff -u -p -r1.56 corefile.c
--- corefile.c	1 Jan 2010 07:31:30 -0000	1.56
+++ corefile.c	6 May 2010 22:49:24 -0000
@@ -152,7 +152,6 @@ reopen_exec_file (void)
   char *filename;
   int res;
   struct stat st;
-  long mtime;
   struct cleanup *cleanups;
 
   /* Don't do anything if there isn't an exec file. */
Index: dwarf2expr.c
===================================================================
RCS file: /cvs/src/src/gdb/dwarf2expr.c,v
retrieving revision 1.40
diff -u -p -r1.40 dwarf2expr.c
--- dwarf2expr.c	20 Jan 2010 18:06:15 -0000	1.40
+++ dwarf2expr.c	6 May 2010 22:49:24 -0000
@@ -250,7 +250,6 @@ dwarf2_read_address (struct gdbarch *gdb
 		     gdb_byte *buf_end, int addr_size)
 {
   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
-  CORE_ADDR result;
 
   if (buf_end - buf < addr_size)
     error (_("dwarf2_read_address: Corrupted DWARF expression."));
Index: dwarf2-frame.c
===================================================================
RCS file: /cvs/src/src/gdb/dwarf2-frame.c,v
retrieving revision 1.108
diff -u -p -r1.108 dwarf2-frame.c
--- dwarf2-frame.c	20 Apr 2010 17:33:14 -0000	1.108
+++ dwarf2-frame.c	6 May 2010 22:49:24 -0000
@@ -1921,7 +1921,6 @@ decode_frame_entry (struct comp_unit *un
 {
   enum { NONE, ALIGN4, ALIGN8, FAIL } workaround = NONE;
   gdb_byte *ret;
-  const char *msg;
   ptrdiff_t start_offset;
 
   while (1)