int do_debug_frames_interp;
int do_debug_macinfo;
int do_debug_str;
+int do_debug_loc;
int do_arch;
int do_notes;
int is_32bit_elf;
static int display_debug_frames PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
static int display_debug_macinfo PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
static int display_debug_str PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
+static int display_debug_loc PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
static unsigned char * process_abbrev_section PARAMS ((unsigned char *, unsigned char *));
static void load_debug_str PARAMS ((FILE *));
static void free_debug_str PARAMS ((void));
static const char * fetch_indirect_string PARAMS ((unsigned long));
+static void load_debug_loc PARAMS ((FILE *));
+static void free_debug_loc PARAMS ((void));
+static const char * fetch_location_list PARAMS ((unsigned long));
static unsigned long read_leb128 PARAMS ((unsigned char *, int *, int));
static int process_extended_line_op PARAMS ((unsigned char *, int, int));
static void reset_state_machine PARAMS ((int));
-A --arch-specific Display architecture specific information (if any).\n\
-D --use-dynamic Use the dynamic section info when displaying symbols\n\
-x --hex-dump=<number> Dump the contents of section <number>\n\
- -w --debug-dump[=line,=info,=abbrev,=pubnames,=ranges,=macro,=frames,=str]\n\
+ -w --debug-dump[=line,=info,=abbrev,=pubnames,=ranges,=macro,=frames,=str,=loc]\n\
Display the contents of DWARF2 debug sections\n"));
#ifdef SUPPORT_DISASSEMBLY
fprintf (stdout, _("\
do_debug_str = 1;
break;
+ case 'o':
+ case 'O':
+ do_debug_loc = 1;
+ break;
+
default:
warn (_("Unrecognized debug option '%s'\n"), optarg);
break;
}
else if ((do_debugging || do_debug_info || do_debug_abbrevs
|| do_debug_lines || do_debug_pubnames || do_debug_aranges
- || do_debug_frames || do_debug_macinfo || do_debug_str)
+ || do_debug_frames || do_debug_macinfo || do_debug_str
+ || do_debug_loc)
&& strncmp (name, ".debug_", 7) == 0)
{
name += 7;
|| (do_debug_frames && (strcmp (name, "frame") == 0))
|| (do_debug_macinfo && (strcmp (name, "macinfo") == 0))
|| (do_debug_str && (strcmp (name, "str") == 0))
+ || (do_debug_loc && (strcmp (name, "loc") == 0))
)
request_dump (i, DEBUG_DUMP);
}
}
}
+static const char * debug_loc_contents;
+static bfd_vma debug_loc_size;
+
+static void
+load_debug_loc (file)
+ FILE * file;
+{
+ Elf32_Internal_Shdr * sec;
+ unsigned int i;
+
+ /* If it is already loaded, do nothing. */
+ if (debug_loc_contents != NULL)
+ return;
+
+ /* Locate the .debug_loc section. */
+ for (i = 0, sec = section_headers;
+ i < elf_header.e_shnum;
+ i ++, sec ++)
+ if (strcmp (SECTION_NAME (sec), ".debug_loc") == 0)
+ break;
+
+ if (i == elf_header.e_shnum || sec->sh_size == 0)
+ return;
+
+ debug_loc_size = sec->sh_size;
+
+ debug_loc_contents = ((char *)
+ get_data (NULL, file, sec->sh_offset, sec->sh_size,
+ _("debug_loc section data")));
+}
+
+static void
+free_debug_loc ()
+{
+ if (debug_loc_contents == NULL)
+ return;
+
+ free ((char *) debug_loc_contents);
+ debug_loc_contents = NULL;
+ debug_loc_size = 0;
+}
+
+static const char *
+fetch_location_list (offset)
+ unsigned long offset;
+{
+ if (debug_loc_contents == NULL)
+ return _("<no .debug_loc section>");
+
+ if (offset > debug_loc_size)
+ return _("<offset is too big>");
+
+ return debug_loc_contents + offset;
+}
+static int
+display_debug_loc (section, start, file)
+ Elf32_Internal_Shdr * section;
+ unsigned char * start;
+ FILE * file ATTRIBUTE_UNUSED;
+{
+ unsigned char *section_end;
+ unsigned long bytes;
+ unsigned char *section_begin = start;
+ bfd_vma addr;
+
+ addr = section->sh_addr;
+ bytes = section->sh_size;
+ section_end = start + bytes;
+ if (bytes == 0)
+ {
+ printf (_("\nThe .debug_loc section is empty.\n"));
+ return 0;
+ }
+ printf (_("Contents of the .debug_loc section:\n\n"));
+ printf (_("\n Offset Begin End Expression\n"));
+ while (start < section_end)
+ {
+ unsigned long begin;
+ unsigned long end;
+ unsigned short length;
+ unsigned long offset;
+
+ offset = start - section_begin;
+
+ while (1)
+ {
+ /* Normally, the lists in the debug_loc section are related to a
+ given compilation unit, and thus, we would use the
+ pointer size of that compilation unit. However, since we are
+ displaying it seperately here, we either have to store
+ pointer sizes of all compilation units, or assume they don't
+ change. We assume, like the debug_line display, that
+ it doesn't change. */
+ begin = byte_get (start, debug_line_pointer_size);
+ start += debug_line_pointer_size;
+ end = byte_get (start, debug_line_pointer_size);
+ start += debug_line_pointer_size;
+
+ if (begin == 0 && end == 0)
+ break;
+
+ begin += addr;
+ end += addr;
+
+ length = byte_get (start, 2);
+ start += 2;
+
+ printf (" %8.8lx %8.8lx %8.8lx (", offset, begin, end);
+ decode_location_expression (start, debug_line_pointer_size, length);
+ printf (")\n");
+
+ start += length;
+ }
+ printf ("\n");
+ }
+ return 1;
+}
static const char * debug_str_contents;
static bfd_vma debug_str_size;
decode_location_expression (block_start, pointer_size, uvalue);
printf (")");
}
+ else if (form == DW_FORM_data4)
+ {
+ printf ("(");
+ printf ("location list");
+ printf (")");
+ }
break;
default:
printf (_("The section %s contains:\n\n"), SECTION_NAME (section));
load_debug_str (file);
+ load_debug_loc (file);
while (start < end)
{
}
free_debug_str ();
+ free_debug_loc ();
printf ("\n");
{ ".eh_frame", display_debug_frames, NULL },
{ ".debug_macinfo", display_debug_macinfo, NULL },
{ ".debug_str", display_debug_str, NULL },
-
+ { ".debug_loc", display_debug_loc, NULL },
{ ".debug_pubtypes", display_debug_not_supported, NULL },
{ ".debug_ranges", display_debug_not_supported, NULL },
{ ".debug_static_func", display_debug_not_supported, NULL },
projects / binutils-gdb.git / commitdiff