remove trivialy unused variables

gdb/ChangeLog:

2016-05-07  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

	* aarch64-linux-tdep.c (aarch64_linux_sigframe_init): Remove unused
	variables.
	* aarch64-tdep.c (aarch64_skip_prologue): Likewise.
	(aarch64_scan_prologue): Likewise.
	(aarch64_prologue_prev_register): Likewise.
	(aarch64_dwarf2_prev_register): Likewise.
	(pass_in_v): Likewise.
	(aarch64_push_dummy_call): Likewise.
	(aarch64_breakpoint_from_pc): Likewise.
	(aarch64_return_in_memory): Likewise.
	(aarch64_return_value): Likewise.
	(aarch64_displaced_step_b_cond): Likewise.
	(aarch64_displaced_step_cb): Likewise.
	(aarch64_displaced_step_tb): Likewise.
	(aarch64_gdbarch_init): Likewise.
	(aarch64_process_record): Likewise.
	* alpha-mdebug-tdep.c (alpha_mdebug_init_abi): Likewise.
	* alpha-tdep.c (_initialize_alpha_tdep): Likewise.
	* amd64-dicos-tdep.c (amd64_dicos_init_abi): Likewise.
	* amd64-linux-tdep.c (amd64_dtrace_parse_probe_argument): Likewise.
	* amd64-tdep.c (fixup_riprel): Likewise.
	* amd64-windows-tdep.c (amd64_windows_frame_decode_epilogue): Likewise.
	(amd64_windows_frame_decode_insns): Likewise.
	(amd64_windows_frame_cache): Likewise.
	(amd64_windows_frame_prev_register): Likewise.
	(amd64_windows_frame_this_id): Likewise.
	(amd64_windows_init_abi): Likewise.
	* arm-linux-tdep.c (arm_linux_get_syscall_number): Likewise.
	(arm_linux_get_next_pcs_syscall_next_pc): Likewise.
	* arm-symbian-tdep.c (arm_symbian_init_abi): Likewise.
	* arm-tdep.c (arm_make_epilogue_frame_cache): Likewise.
	(arm_epilogue_frame_prev_register): Likewise.
	(arm_record_vdata_transfer_insn): Likewise.
	(arm_record_exreg_ld_st_insn): Likewise.
	* auto-load.c (execute_script_contents): Likewise.
	(print_scripts): Likewise.
	* avr-tdep.c (avr_frame_prev_register): Likewise.
	(avr_push_dummy_call): Likewise.
	* bfin-linux-tdep.c (bfin_linux_sigframe_init): Likewise.
	* bfin-tdep.c (bfin_gdbarch_init): Likewise.
	* blockframe.c (find_pc_partial_function_gnu_ifunc): Likewise.
	* break-catch-throw.c (fetch_probe_arguments): Likewise.
	* breakpoint.c (breakpoint_xfer_memory): Likewise.
	(breakpoint_init_inferior): Likewise.
	(breakpoint_inserted_here_p): Likewise.
	(software_breakpoint_inserted_here_p): Likewise.
	(hardware_breakpoint_inserted_here_p): Likewise.
	(bpstat_what): Likewise.
	(break_range_command): Likewise.
	(save_breakpoints): Likewise.
	* coffread.c (coff_symfile_read): Likewise.
	* cris-tdep.c (cris_push_dummy_call): Likewise.
	(cris_scan_prologue): Likewise.
	(cris_register_size): Likewise.
	(_initialize_cris_tdep): Likewise.
	* d-exp.y: Likewise.
	* dbxread.c (dbx_read_symtab): Likewise.
	(process_one_symbol): Likewise.
	(coffstab_build_psymtabs): Likewise.
	(elfstab_build_psymtabs): Likewise.
	* dicos-tdep.c (dicos_init_abi): Likewise.
	* disasm.c (do_mixed_source_and_assembly): Likewise.
	(gdb_disassembly): Likewise.
	* dtrace-probe.c (dtrace_process_dof): Likewise.
	* dwarf2read.c (error_check_comp_unit_head): Likewise.
	(build_type_psymtabs_1): Likewise.
	(skip_one_die): Likewise.
	(process_imported_unit_die): Likewise.
	(dwarf2_physname): Likewise.
	(read_file_scope): Likewise.
	(setup_type_unit_groups): Likewise.
	(create_dwo_cu_reader): Likewise.
	(create_dwo_cu): Likewise.
	(create_dwo_unit_in_dwp_v1): Likewise.
	(create_dwo_unit_in_dwp_v2): Likewise.
	(lookup_dwo_unit_in_dwp): Likewise.
	(free_dwo_file): Likewise.
	(check_producer): Likewise.
	(dwarf2_add_typedef): Likewise.
	(dwarf2_add_member_fn): Likewise.
	(read_unsigned_leb128): Likewise.
	(read_signed_leb128): Likewise.
	(dwarf2_const_value): Likewise.
	(follow_die_sig_1): Likewise.
	(dwarf_decode_macro_bytes): Likewise.
	* extension.c (restore_active_ext_lang): Likewise.
	* frv-linux-tdep.c (frv_linux_sigtramp_frame_cache): Likewise.
	* ft32-tdep.c (ft32_analyze_prologue): Likewise.
	* gdbtypes.c (lookup_typename): Likewise.
	(resolve_dynamic_range): Likewise.
	(check_typedef): Likewise.
	* h8300-tdep.c (h8300_is_argument_spill): Likewise.
	(h8300_gdbarch_init): Likewise.
	* hppa-tdep.c (hppa32_push_dummy_call): Likewise.
	(hppa_frame_this_id): Likewise.
	(_initialize_hppa_tdep): Likewise.
	* hppanbsd-tdep.c (hppanbsd_sigtramp_cache_init): Likewise.
	* hppaobsd-tdep.c (hppaobsd_supply_fpregset): Likewise.
	* i386-dicos-tdep.c (i386_dicos_init_abi): Likewise.
	* i386-tdep.c (i386_bnd_type): Likewise.
	(i386_gdbarch_init): Likewise.
	(i386_mpx_bd_base): Likewise.
	* i386nbsd-tdep.c (i386nbsd_sigtramp_cache_init): Likewise.
	* i386obsd-tdep.c (i386obsd_elf_init_abi): Likewise.
	* ia64-tdep.c (examine_prologue): Likewise.
	(ia64_frame_cache): Likewise.
	(ia64_push_dummy_call): Likewise.
	* infcmd.c (finish_command_fsm_async_reply_reason): Likewise.
	(default_print_one_register_info): Likewise.
	* infrun.c (infrun_thread_ptid_changed): Likewise.
	(thread_still_needs_step_over): Likewise.
	(stop_all_threads): Likewise.
	(restart_threads): Likewise.
	(keep_going_stepped_thread): Likewise.
	* iq2000-tdep.c (iq2000_scan_prologue): Likewise.
	* language.c (language_init_primitive_type_symbols): Likewise.
	* linespec.c (add_sal_to_sals): Likewise.
	* linux-nat.c (status_callback): Likewise.
	(kill_unfollowed_fork_children): Likewise.
	(linux_nat_kill): Likewise.
	* linux-tdep.c (linux_fill_prpsinfo): Likewise.
	* linux-thread-db.c (thread_db_notice_clone): Likewise.
	(record_thread): Likewise.
	* location.c (string_to_event_location_basic): Likewise.
	* m32c-tdep.c (m32c_prev_register): Likewise.
	* m32r-linux-tdep.c (m32r_linux_init_abi): Likewise.
	* m32r-tdep.c (decode_prologue): Likewise.
	* m68klinux-tdep.c (m68k_linux_sigtramp_frame_cache): Likewise.
	* machoread.c (macho_symtab_read): Likewise.
	(macho_symfile_read): Likewise.
	(macho_symfile_offsets): Likewise.
	* maint.c (set_per_command_cmd): Likewise.
	* mi/mi-cmd-stack.c (mi_cmd_stack_list_locals): Likewise.
	(mi_cmd_stack_list_variables): Likewise.
	* mi/mi-main.c (mi_cmd_exec_run): Likewise.
	(output_register): Likewise.
	(mi_cmd_execute): Likewise.
	(mi_cmd_trace_define_variable): Likewise.
	(print_variable_or_computed): Likewise.
	* minsyms.c (prim_record_minimal_symbol_full): Likewise.
	* mn10300-tdep.c (mn10300_frame_prev_register): Likewise.
	* msp430-tdep.c (msp430_pseudo_register_write): Likewise.
	* mt-tdep.c (mt_registers_info): Likewise.
	* nios2-tdep.c (nios2_analyze_prologue): Likewise.
	(nios2_push_dummy_call): Likewise.
	(nios2_frame_unwind_cache): Likewise.
	(nios2_stub_frame_cache): Likewise.
	(nios2_stub_frame_sniffer): Likewise.
	(nios2_gdbarch_init): Likewise.
	* ppc-ravenscar-thread.c: Likewise.
	* ppcfbsd-tdep.c (ppcfbsd_sigtramp_frame_cache): Likewise.
	* python/py-evts.c (add_new_registry): Likewise.
	* python/py-finishbreakpoint.c (bpfinishpy_init): Likewise.
	(bpfinishpy_detect_out_scope_cb): Likewise.
	* python/py-framefilter.c (py_print_value): Likewise.
	* python/py-inferior.c (infpy_write_memory): Likewise.
	* python/py-infevents.c (create_inferior_call_event_object): Likewise.
	* python/py-infthread.c (thpy_get_ptid): Likewise.
	* python/py-linetable.c (ltpy_get_pcs_for_line): Likewise.
	(ltpy_get_all_source_lines): Likewise.
	(ltpy_is_valid): Likewise.
	(ltpy_iternext): Likewise.
	* python/py-symtab.c (symtab_and_line_to_sal_object): Likewise.
	* python/py-unwind.c (pyuw_object_attribute_to_pointer): Likewise.
	(unwind_infopy_str): Likewise.
	* python/py-varobj.c (py_varobj_get_iterator): Likewise.
	* ravenscar-thread.c (ravenscar_inferior_created): Likewise.
	* rs6000-aix-tdep.c (rs6000_push_dummy_call): Likewise.
	* rs6000-lynx178-tdep.c (rs6000_lynx178_push_dummy_call): Likewise.
	* rs6000-tdep.c (ppc_deal_with_atomic_sequence): Likewise.
	* s390-linux-tdep.c (s390_supply_tdb_regset): Likewise.
	(s390_frame_prev_register): Likewise.
	(s390_dwarf2_frame_init_reg): Likewise.
	(s390_record_vr): Likewise.
	(s390_process_record): Likewise.
	* score-tdep.c (score_push_dummy_call): Likewise.
	(score3_analyze_prologue): Likewise.
	* sh-tdep.c (sh_extract_return_value_nofpu): Likewise.
	* sh64-tdep.c (sh64_analyze_prologue): Likewise.
	(sh64_push_dummy_call): Likewise.
	(sh64_extract_return_value): Likewise.
	(sh64_do_fp_register): Likewise.
	* solib-aix.c (solib_aix_get_section_offsets): Likewise.
	* solib-darwin.c (darwin_read_exec_load_addr_from_dyld): Likewise.
	(darwin_solib_read_all_image_info_addr): Likewise.
	* solib-dsbt.c (enable_break): Likewise.
	* solib-frv.c (enable_break2): Likewise.
	(frv_fdpic_find_canonical_descriptor): Likewise.
	* solib-svr4.c (svr4_handle_solib_event): Likewise.
	* sparc-tdep.c (sparc_skip_stack_check): Likewise.
	* sparc64-linux-tdep.c (sparc64_linux_get_longjmp_target): Likewise.
	* sparcobsd-tdep.c (sparc32obsd_init_abi): Likewise.
	* spu-tdep.c (info_spu_dma_cmdlist): Likewise.
	* stack.c (read_frame_local): Likewise.
	* symfile.c (symbol_file_add_separate): Likewise.
	(remove_symbol_file_command): Likewise.
	* symmisc.c (maintenance_print_one_line_table): Likewise.
	* symtab.c (symbol_cache_flush): Likewise.
	(basic_lookup_transparent_type): Likewise.
	(sort_search_symbols_remove_dups): Likewise.
	* target.c (target_memory_map): Likewise.
	(target_detach): Likewise.
	(target_resume): Likewise.
	(acquire_fileio_fd): Likewise.
	(target_store_registers): Likewise.
	* thread.c (print_thread_info_1): Likewise.
	* tic6x-tdep.c (tic6x_analyze_prologue): Likewise.
	* tilegx-linux-tdep.c (tilegx_linux_sigframe_init): Likewise.
	* tilegx-tdep.c (tilegx_push_dummy_call): Likewise.
	(tilegx_analyze_prologue): Likewise.
	(tilegx_stack_frame_destroyed_p): Likewise.
	(tilegx_frame_cache): Likewise.
	* tracefile.c (trace_save): Likewise.
	* tracepoint.c (encode_actions_and_make_cleanup): Likewise.
	(start_tracing): Likewise.
	(print_one_static_tracepoint_marker): Likewise.
	* tui/tui.c (tui_enable): Likewise.
	* valops.c (value_struct_elt_bitpos): Likewise.
	(find_overload_match): Likewise.
	(find_oload_champ): Likewise.
	* value.c (value_contents_copy_raw): Likewise.
	* windows-tdep.c (windows_get_tlb_type): Likewise.
	* x86-linux-nat.c (x86_linux_enable_btrace): Likewise.
	* xcoffread.c (record_minimal_symbol): Likewise.
	(scan_xcoff_symtab): Likewise.
	* xtensa-tdep.c (execute_code): Likewise.
	(xtensa_gdbarch_init): Likewise.
	(_initialize_xtensa_tdep): Likewise.

10 files changed, 0 insertions, 24 deletions

diff --git a/gdb/python/py-evts.c b/gdb/python/py-evts.c
index 2241e0c..95827e4 100644
--- a/gdb/python/py-evts.c
+++ b/gdb/python/py-evts.c
@@ -40,8 +40,6 @@ static struct PyModuleDef EventModuleDef =
 static int CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION
 add_new_registry (eventregistry_object **registryp, char *name)
 {
-  int result;
-
   *registryp = create_eventregistry_object ();
 
   if (*registryp == NULL)
diff --git a/gdb/python/py-finishbreakpoint.c b/gdb/python/py-finishbreakpoint.c
index a0513b5..74d225b 100644
--- a/gdb/python/py-finishbreakpoint.c
+++ b/gdb/python/py-finishbreakpoint.c
@@ -158,7 +158,6 @@ bpfinishpy_init (PyObject *self, PyObject *args, PyObject *kwargs)
   static char *keywords[] = { "frame", "internal", NULL };
   struct finish_breakpoint_object *self_bpfinish =
       (struct finish_breakpoint_object *) self;
-  int type = bp_breakpoint;
   PyObject *frame_obj = NULL;
   int thread;
   struct frame_info *frame = NULL; /* init for gcc -Wall */
@@ -357,7 +356,6 @@ bpfinishpy_detect_out_scope_cb (struct breakpoint *b, void *args)
 {
   struct breakpoint *bp_stopped = (struct breakpoint *) args;
   PyObject *py_bp = (PyObject *) b->py_bp_object;
-  struct gdbarch *garch = b->gdbarch ? b->gdbarch : get_current_arch ();
 
   /* Trigger out_of_scope if this is a FinishBreakpoint and its frame is
      not anymore in the current callstack.  */
diff --git a/gdb/python/py-framefilter.c b/gdb/python/py-framefilter.c
index 8a6a9a4..aa25911 100644
--- a/gdb/python/py-framefilter.c
+++ b/gdb/python/py-framefilter.c
@@ -249,11 +249,6 @@ py_print_value (struct ui_out *out, struct value *val,
 		const struct language_defn *language)
 {
   int should_print = 0;
-  int local_indent = (4 * indent);
-
-  /* Never set an indent level for common_val_print if MI.  */
-  if (ui_out_is_mi_like_p (out))
-    local_indent = 0;
 
   /* MI does not print certain values, differentiated by type,
      depending on what ARGS_TYPE indicates.  Test type against option.
diff --git a/gdb/python/py-inferior.c b/gdb/python/py-inferior.c
index 55b6ab8..8732b87 100644
--- a/gdb/python/py-inferior.c
+++ b/gdb/python/py-inferior.c
@@ -579,8 +579,6 @@ infpy_write_memory (PyObject *self, PyObject *args, PyObject *kw)
   buffer = (const gdb_byte *) pybuf.buf;
   buf_len = pybuf.len;
 #else
-  const void *vbuffer;
-
   if (! PyArg_ParseTupleAndKeywords (args, kw, "Os#|O", keywords,
 				     &addr_obj, &buffer, &buf_len,
 				     &length_obj))
diff --git a/gdb/python/py-infevents.c b/gdb/python/py-infevents.c
index 442e45a..33d994c 100644
--- a/gdb/python/py-infevents.c
+++ b/gdb/python/py-infevents.c
@@ -36,8 +36,6 @@ static PyObject *
 create_inferior_call_event_object (inferior_call_kind flag, ptid_t ptid,
 				   CORE_ADDR addr)
 {
-  int pid;
-  long tid, lwp;
   PyObject *event;
   PyObject *ptid_obj = NULL;
   PyObject *addr_obj = NULL;
diff --git a/gdb/python/py-infthread.c b/gdb/python/py-infthread.c
index 3a9bae7..697298d 100644
--- a/gdb/python/py-infthread.c
+++ b/gdb/python/py-infthread.c
@@ -145,8 +145,6 @@ thpy_get_global_num (PyObject *self, void *closure)
 static PyObject *
 thpy_get_ptid (PyObject *self, void *closure)
 {
-  int pid;
-  long tid, lwp;
   thread_object *thread_obj = (thread_object *) self;
 
   THPY_REQUIRE_VALID (thread_obj);
diff --git a/gdb/python/py-linetable.c b/gdb/python/py-linetable.c
index 49b6084..662ae88 100644
--- a/gdb/python/py-linetable.c
+++ b/gdb/python/py-linetable.c
@@ -169,7 +169,6 @@ ltpy_get_pcs_for_line (PyObject *self, PyObject *args)
   struct symtab *symtab;
   gdb_py_longest py_line;
   struct linetable_entry *best_entry = NULL;
-  linetable_entry_object *result;
   VEC (CORE_ADDR) *pcs = NULL;
   PyObject *tuple;
 
@@ -239,7 +238,6 @@ ltpy_get_all_source_lines (PyObject *self, PyObject *args)
   Py_ssize_t index;
   PyObject *source_list, *source_dict, *line;
   struct linetable_entry *item;
-  Py_ssize_t list_size;
 
   LTPY_REQUIRE_VALID (self, symtab);
 
@@ -295,7 +293,6 @@ static PyObject *
 ltpy_is_valid (PyObject *self, PyObject *args)
 {
   struct symtab *symtab = NULL;
-  linetable_object *obj = (linetable_object *) self;
 
   symtab = symtab_object_to_symtab (get_symtab (self));
 
@@ -427,7 +424,6 @@ ltpy_iternext (PyObject *self)
 {
   ltpy_iterator_object *iter_obj = (ltpy_iterator_object *) self;
   struct symtab *symtab;
-  int index;
   PyObject *obj;
   struct linetable_entry *item;
 
diff --git a/gdb/python/py-symtab.c b/gdb/python/py-symtab.c
index c3c94e5..af70170 100644
--- a/gdb/python/py-symtab.c
+++ b/gdb/python/py-symtab.c
@@ -437,7 +437,6 @@ PyObject *
 symtab_and_line_to_sal_object (struct symtab_and_line sal)
 {
   sal_object *sal_obj;
-  int success = 0;
 
   sal_obj = PyObject_New (sal_object, &sal_object_type);
   if (sal_obj)
diff --git a/gdb/python/py-unwind.c b/gdb/python/py-unwind.c
index 34ba575..cc685ae 100644
--- a/gdb/python/py-unwind.c
+++ b/gdb/python/py-unwind.c
@@ -177,7 +177,6 @@ pyuw_object_attribute_to_pointer (PyObject *pyo, const char *attr_name,
   if (PyObject_HasAttrString (pyo, attr_name))
     {
       PyObject *pyo_value = PyObject_GetAttrString (pyo, attr_name);
-      struct value *value;
 
       if (pyo_value != NULL && pyo_value != Py_None)
         {
@@ -201,8 +200,6 @@ unwind_infopy_str (PyObject *self)
 {
   struct ui_file *strfile = mem_fileopen ();
   unwind_info_object *unwind_info = (unwind_info_object *) self;
-  pending_frame_object *pending_frame
-      = (pending_frame_object *) (unwind_info->pending_frame);
   PyObject *result;
 
   fprintf_unfiltered (strfile, "Frame ID: ");
diff --git a/gdb/python/py-varobj.c b/gdb/python/py-varobj.c
index e87c1f5..7e74454 100644
--- a/gdb/python/py-varobj.c
+++ b/gdb/python/py-varobj.c
@@ -168,7 +168,6 @@ struct varobj_iter *
 py_varobj_get_iterator (struct varobj *var, PyObject *printer)
 {
   PyObject *children;
-  int i;
   PyObject *iter;
   struct py_varobj_iter *py_iter;
   struct cleanup *back_to = varobj_ensure_python_env (var);