* NEWS: Add note about --dwarf-depth, --dwarf-start, and

	dwarf-mode.el.
	* objdump.c (suppress_bfd_header): New global.
	(usage): Update.
	(OPTION_DWARF_DEPTH, OPTION_DWARF_START): New constants.
	(options): Add dwarf-depth and dwarf-start entries.
	(dump_bfd): Use suppress_bfd_header.
	(main): Handle OPTION_DWARF_START, OPTION_DWARF_DEPTH.
	* doc/binutils.texi (objcopy): Document --dwarf-depth and
	--dwarf-start.
	(readelf): Likewise.
	* dwarf-mode.el: New file.
	* dwarf.c (dwarf_cutoff_level, dwarf_start_die): New globals.
	(read_and_display_attr_value): Also check debug_info_p.
	(process_debug_info): Handle dwarf_start_die and
	dwarf_cutoff_level.
	* dwarf.h (dwarf_cutoff_level, dwarf_start_die): Declare.
	* readelf.c (usage): Update.
	(OPTION_DWARF_DEPTH): New macro.
	(OPTION_DWARF_START): Likewise.
	(options): Add dwarf-depth and dwarf-start entries.
	(parse_args): Handle OPTION_DWARF_START and OPTION_DWARF_DEPTH.
testsuite
	* binutils-all/objdump.W: Correct output.

1 files changed, 23 insertions, 0 deletions

diff --git a/binutils/readelf.c b/binutils/readelf.c
index c4df8d9..6c8b966 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -3073,6 +3073,8 @@ get_section_type_name (unsigned int sh_type)
 
 #define OPTION_DEBUG_DUMP	512
 #define OPTION_DYN_SYMS		513
+#define OPTION_DWARF_DEPTH	514
+#define OPTION_DWARF_START	515
 
 static struct option options[] =
 {
@@ -3106,6 +3108,9 @@ static struct option options[] =
 #endif
   {"debug-dump",       optional_argument, 0, OPTION_DEBUG_DUMP},
 
+  {"dwarf-depth",      required_argument, 0, OPTION_DWARF_DEPTH},
+  {"dwarf-start",      required_argument, 0, OPTION_DWARF_START},
+
   {"version",	       no_argument, 0, 'v'},
   {"wide",	       no_argument, 0, 'W'},
   {"help",	       no_argument, 0, 'H'},
@@ -3149,6 +3154,10 @@ usage (FILE * stream)
                =frames-interp,=str,=loc,=Ranges,=pubtypes,\n\
                =gdb_index,=trace_info,=trace_abbrev,=trace_aranges]\n\
                          Display the contents of DWARF2 debug sections\n"));
+  fprintf (stream, _("\
+  --dwarf-depth=N        Do not display DIEs at depth N or greater\n\
+  --dwarf-start=N        Display DIEs starting with N, at the same depth\n\
+                         or deeper\n"));
 #ifdef SUPPORT_DISASSEMBLY
   fprintf (stream, _("\
   -i --instruction-dump=<number|name>\n\
@@ -3355,6 +3364,20 @@ parse_args (int argc, char ** argv)
 	      dwarf_select_sections_by_names (optarg);
 	    }
 	  break;
+	case OPTION_DWARF_DEPTH:
+	  {
+	    char *cp;
+
+	    dwarf_cutoff_level = strtoul (optarg, & cp, 0);
+	  }
+	  break;
+	case OPTION_DWARF_START:
+	  {
+	    char *cp;
+
+	    dwarf_start_die = strtoul (optarg, & cp, 0);
+	  }
+	  break;
 	case OPTION_DYN_SYMS:
 	  do_dyn_syms++;
 	  break;