int do_trace_aranges;
int do_wide;
+int dwarf_cutoff_level = -1;
+unsigned long dwarf_start_die;
+
/* Values for do_debug_lines. */
#define FLAG_DEBUG_LINES_RAW 1
#define FLAG_DEBUG_LINES_DECODED 2
break;
default:
- if (op_code >= DW_LNE_lo_user
- /* The test against DW_LNW_hi_user is redundant due to
- the limited range of the unsigned char data type used
- for op_code. */
- /*&& op_code <= DW_LNE_hi_user*/)
- printf (_("user defined: length %d\n"), len - bytes_read);
- else
- printf (_("UNKNOWN: length %d\n"), len - bytes_read);
+ {
+ unsigned int rlen = len - bytes_read - 1;
+
+ if (op_code >= DW_LNE_lo_user
+ /* The test against DW_LNW_hi_user is redundant due to
+ the limited range of the unsigned char data type used
+ for op_code. */
+ /*&& op_code <= DW_LNE_hi_user*/)
+ printf (_("user defined: "));
+ else
+ printf (_("UNKNOWN: "));
+ printf (_("length %d ["), rlen);
+ for (; rlen; rlen--)
+ printf (" %02x", *data++);
+ printf ("]\n");
+ }
break;
}
display_block (data, uvalue);
data += uvalue;
break;
- case DW_OP_GNU_entry_value:
- uvalue = read_leb128 (data, &bytes_read, 0);
- data += bytes_read;
- printf ("DW_OP_GNU_entry_value: (");
- if (decode_location_expression (data, pointer_size, offset_size,
- dwarf_version, uvalue,
- cu_offset, section))
- need_frame_base = 1;
- putchar (')');
- data += uvalue;
- break;
/* GNU extensions. */
case DW_OP_GNU_push_tls_address:
data += offset_size + bytes_read;
}
break;
+ case DW_OP_GNU_entry_value:
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf ("DW_OP_GNU_entry_value: (");
+ if (decode_location_expression (data, pointer_size, offset_size,
+ dwarf_version, uvalue,
+ cu_offset, section))
+ need_frame_base = 1;
+ putchar (')');
+ data += uvalue;
+ break;
+ case DW_OP_GNU_const_type:
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf ("DW_OP_GNU_const_type: <0x%s> ",
+ dwarf_vmatoa ("x", cu_offset + uvalue));
+ uvalue = byte_get (data++, 1);
+ display_block (data, uvalue);
+ data += uvalue;
+ break;
+ case DW_OP_GNU_regval_type:
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf ("DW_OP_GNU_regval_type: %s (%s)",
+ dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
+ break;
+ case DW_OP_GNU_deref_type:
+ printf ("DW_OP_GNU_deref_type: %ld", (long) byte_get (data++, 1));
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
+ break;
+ case DW_OP_GNU_convert:
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf ("DW_OP_GNU_convert <0x%s>",
+ dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
+ break;
+ case DW_OP_GNU_reinterpret:
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf ("DW_OP_GNU_reinterpret <0x%s>",
+ dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
+ break;
+ case DW_OP_GNU_parameter_ref:
+ printf ("DW_OP_GNU_parameter_ref: <0x%s>",
+ dwarf_vmatoa ("x", cu_offset + byte_get (data, 4)));
+ data += 4;
+ break;
/* HP extensions. */
case DW_OP_HP_is_value:
}
if ((do_loc || do_debug_loc || do_debug_ranges)
- && num_debug_info_entries == 0)
+ && num_debug_info_entries == 0
+ && debug_info_p != NULL)
{
switch (attribute)
{
case DW_AT_GNU_call_site_data_value:
case DW_AT_GNU_call_site_target:
case DW_AT_GNU_call_site_target_clobbered:
- if (form == DW_FORM_data4
- || form == DW_FORM_data8
+ if ((dwarf_version < 4
+ && (form == DW_FORM_data4 || form == DW_FORM_data8))
|| form == DW_FORM_sec_offset)
{
/* Process location list. */
break;
case DW_AT_ranges:
- if (form == DW_FORM_data4
- || form == DW_FORM_data8
+ if ((dwarf_version < 4
+ && (form == DW_FORM_data4 || form == DW_FORM_data8))
|| form == DW_FORM_sec_offset)
{
/* Process range list. */
}
}
- if (do_loc)
+ if (do_loc || attribute == 0)
return data;
/* For some attributes we can display further information. */
case DW_AT_GNU_call_site_data_value:
case DW_AT_GNU_call_site_target:
case DW_AT_GNU_call_site_target_clobbered:
- if (form == DW_FORM_data4
- || form == DW_FORM_data8
+ if ((dwarf_version < 4
+ && (form == DW_FORM_data4 || form == DW_FORM_data8))
|| form == DW_FORM_sec_offset)
printf (_("(location list)"));
/* Fall through. */
case DW_AT_GNU_all_tail_call_sites: return "DW_AT_GNU_all_tail_call_sites";
case DW_AT_GNU_all_call_sites: return "DW_AT_GNU_all_call_sites";
case DW_AT_GNU_all_source_call_sites: return "DW_AT_GNU_all_source_call_sites";
+ case DW_AT_GNU_macros: return "DW_AT_GNU_macros";
/* UPC extension. */
case DW_AT_upc_threads_scaled: return "DW_AT_upc_threads_scaled";
if (!do_loc)
{
- printf (_("Contents of the %s section:\n\n"), section->name);
+ if (dwarf_start_die == 0)
+ printf (_("Contents of the %s section:\n\n"), section->name);
load_debug_section (str, file);
}
DWARF2_Internal_CompUnit compunit;
unsigned char *hdrptr;
unsigned char *tags;
- int level;
+ int level, last_level, saved_level;
dwarf_vma cu_offset;
int offset_size;
int initial_length_size;
debug_information [unit].num_range_lists = 0;
}
- if (!do_loc)
+ if (!do_loc && dwarf_start_die == 0)
{
printf (_(" Compilation Unit @ offset 0x%s:\n"),
dwarf_vmatoa ("x", cu_offset));
+ debug_displays [abbrev_sec].section.size);
level = 0;
+ last_level = level;
+ saved_level = -1;
while (tags < start)
{
unsigned int bytes_read;
unsigned long die_offset;
abbrev_entry *entry;
abbrev_attr *attr;
+ int do_printing = 1;
die_offset = tags - section_begin;
warn (_("Further warnings about bogus end-of-sibling markers suppressed\n"));
}
}
+ if (dwarf_start_die != 0 && level < saved_level)
+ return 1;
continue;
}
if (!do_loc)
- printf (_(" <%d><%lx>: Abbrev Number: %lu"),
- level, die_offset, abbrev_number);
+ {
+ if (dwarf_start_die != 0 && die_offset < dwarf_start_die)
+ do_printing = 0;
+ else
+ {
+ if (dwarf_start_die != 0 && die_offset == dwarf_start_die)
+ saved_level = level;
+ do_printing = (dwarf_cutoff_level == -1
+ || level < dwarf_cutoff_level);
+ if (do_printing)
+ printf (_(" <%d><%lx>: Abbrev Number: %lu"),
+ level, die_offset, abbrev_number);
+ else if (dwarf_cutoff_level == -1
+ || last_level < dwarf_cutoff_level)
+ printf (_(" <%d><%lx>: ...\n"), level, die_offset);
+ last_level = level;
+ }
+ }
/* Scan through the abbreviation list until we reach the
correct entry. */
if (entry == NULL)
{
- if (!do_loc)
+ if (!do_loc && do_printing)
{
printf ("\n");
fflush (stdout);
return 0;
}
- if (!do_loc)
+ if (!do_loc && do_printing)
printf (" (%s)\n", get_TAG_name (entry->tag));
switch (entry->tag)
for (attr = entry->first_attr; attr; attr = attr->next)
{
- if (! do_loc)
+ debug_info *arg;
+
+ if (! do_loc && do_printing)
/* Show the offset from where the tag was extracted. */
- printf (" <%2lx>", (unsigned long)(tags - section_begin));
+ printf (" <%lx>", (unsigned long)(tags - section_begin));
+
+ arg = debug_information;
+ if (debug_information)
+ arg += unit;
tags = read_and_display_attr (attr->attribute,
attr->form,
compunit.cu_pointer_size,
offset_size,
compunit.cu_version,
- debug_information + unit,
- do_loc, section);
+ arg,
+ do_loc || ! do_printing, section);
}
if (entry->children)
return 1;
}
+/* Given LINE_OFFSET into the .debug_line section, attempt to return
+ filename and dirname corresponding to file name table entry with index
+ FILEIDX. Return NULL on failure. */
+
+static unsigned char *
+get_line_filename_and_dirname (dwarf_vma line_offset, dwarf_vma fileidx,
+ unsigned char **dir_name)
+{
+ struct dwarf_section *section = &debug_displays [line].section;
+ unsigned char *hdrptr, *dirtable, *file_name;
+ unsigned int offset_size, initial_length_size;
+ unsigned int version, opcode_base, bytes_read;
+ dwarf_vma length, diridx;
+
+ *dir_name = NULL;
+ if (section->start == NULL
+ || line_offset >= section->size
+ || fileidx == 0)
+ return NULL;
+
+ hdrptr = section->start + line_offset;
+ length = byte_get (hdrptr, 4);
+ hdrptr += 4;
+ if (length == 0xffffffff)
+ {
+ /* This section is 64-bit DWARF 3. */
+ length = byte_get (hdrptr, 8);
+ hdrptr += 8;
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+ if (length + initial_length_size > section->size)
+ return NULL;
+ version = byte_get (hdrptr, 2);
+ hdrptr += 2;
+ if (version != 2 && version != 3 && version != 4)
+ return NULL;
+ hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */
+ if (version >= 4)
+ hdrptr++; /* Skip max_ops_per_insn. */
+ hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */
+ opcode_base = byte_get (hdrptr, 1);
+ if (opcode_base == 0)
+ return NULL;
+ hdrptr++;
+ hdrptr += opcode_base - 1;
+ dirtable = hdrptr;
+ /* Skip over dirname table. */
+ while (*hdrptr != '\0')
+ hdrptr += strlen ((char *) hdrptr) + 1;
+ hdrptr++; /* Skip the NUL at the end of the table. */
+ /* Now skip over preceding filename table entries. */
+ for (; *hdrptr != '\0' && fileidx > 1; fileidx--)
+ {
+ hdrptr += strlen ((char *) hdrptr) + 1;
+ read_leb128 (hdrptr, &bytes_read, 0);
+ hdrptr += bytes_read;
+ read_leb128 (hdrptr, &bytes_read, 0);
+ hdrptr += bytes_read;
+ read_leb128 (hdrptr, &bytes_read, 0);
+ hdrptr += bytes_read;
+ }
+ if (*hdrptr == '\0')
+ return NULL;
+ file_name = hdrptr;
+ hdrptr += strlen ((char *) hdrptr) + 1;
+ diridx = read_leb128 (hdrptr, &bytes_read, 0);
+ if (diridx == 0)
+ return file_name;
+ for (; *dirtable != '\0' && diridx > 1; diridx--)
+ dirtable += strlen ((char *) dirtable) + 1;
+ if (*dirtable == '\0')
+ return NULL;
+ *dir_name = dirtable;
+ return file_name;
+}
+
+static int
+display_debug_macro (struct dwarf_section *section,
+ void *file)
+{
+ unsigned char *start = section->start;
+ unsigned char *end = start + section->size;
+ unsigned char *curr = start;
+ unsigned char *extended_op_buf[256];
+ unsigned int bytes_read;
+
+ load_debug_section (str, file);
+ load_debug_section (line, file);
+
+ printf (_("Contents of the %s section:\n\n"), section->name);
+
+ while (curr < end)
+ {
+ unsigned int lineno, version, flags;
+ unsigned int offset_size = 4;
+ const char *string;
+ dwarf_vma line_offset = 0, sec_offset = curr - start, offset;
+ unsigned char **extended_ops = NULL;
+
+ version = byte_get (curr, 2);
+ curr += 2;
+
+ if (version != 4)
+ {
+ error (_("Only GNU extension to DWARF 4 of %s is currently supported.\n"),
+ section->name);
+ return 0;
+ }
+
+ flags = byte_get (curr++, 1);
+ if (flags & 1)
+ offset_size = 8;
+ printf (_(" Offset: 0x%lx\n"),
+ (unsigned long) sec_offset);
+ printf (_(" Version: %d\n"), version);
+ printf (_(" Offset size: %d\n"), offset_size);
+ if (flags & 2)
+ {
+ line_offset = byte_get (curr, offset_size);
+ curr += offset_size;
+ printf (_(" Offset into .debug_line: 0x%lx\n"),
+ (unsigned long) line_offset);
+ }
+ if (flags & 4)
+ {
+ unsigned int i, count = byte_get (curr++, 1), op;
+ dwarf_vma nargs, n;
+ memset (extended_op_buf, 0, sizeof (extended_op_buf));
+ extended_ops = extended_op_buf;
+ if (count)
+ {
+ printf (_(" Extension opcode arguments:\n"));
+ for (i = 0; i < count; i++)
+ {
+ op = byte_get (curr++, 1);
+ extended_ops[op] = curr;
+ nargs = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ if (nargs == 0)
+ printf (_(" DW_MACRO_GNU_%02x has no arguments\n"), op);
+ else
+ {
+ printf (_(" DW_MACRO_GNU_%02x arguments: "), op);
+ for (n = 0; n < nargs; n++)
+ {
+ unsigned int form = byte_get (curr++, 1);
+ printf ("%s%s", get_FORM_name (form),
+ n == nargs - 1 ? "\n" : ", ");
+ switch (form)
+ {
+ case DW_FORM_data1:
+ case DW_FORM_data2:
+ case DW_FORM_data4:
+ case DW_FORM_data8:
+ case DW_FORM_sdata:
+ case DW_FORM_udata:
+ case DW_FORM_block:
+ case DW_FORM_block1:
+ case DW_FORM_block2:
+ case DW_FORM_block4:
+ case DW_FORM_flag:
+ case DW_FORM_string:
+ case DW_FORM_strp:
+ case DW_FORM_sec_offset:
+ break;
+ default:
+ error (_("Invalid extension opcode form %s\n"),
+ get_FORM_name (form));
+ return 0;
+ }
+ }
+ }
+ }
+ }
+ }
+ printf ("\n");
+
+ while (1)
+ {
+ unsigned int op;
+
+ if (curr >= end)
+ {
+ error (_(".debug_macro section not zero terminated\n"));
+ return 0;
+ }
+
+ op = byte_get (curr++, 1);
+ if (op == 0)
+ break;
+
+ switch (op)
+ {
+ case DW_MACRO_GNU_start_file:
+ {
+ unsigned int filenum;
+ unsigned char *file_name = NULL, *dir_name = NULL;
+
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ filenum = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+
+ if ((flags & 2) == 0)
+ error (_("DW_MACRO_GNU_start_file used, but no .debug_line offset provided.\n"));
+ else
+ file_name
+ = get_line_filename_and_dirname (line_offset, filenum,
+ &dir_name);
+ if (file_name == NULL)
+ printf (_(" DW_MACRO_GNU_start_file - lineno: %d filenum: %d\n"),
+ lineno, filenum);
+ else
+ printf (_(" DW_MACRO_GNU_start_file - lineno: %d filenum: %d filename: %s%s%s\n"),
+ lineno, filenum,
+ dir_name != NULL ? (const char *) dir_name : "",
+ dir_name != NULL ? "/" : "", file_name);
+ }
+ break;
+
+ case DW_MACRO_GNU_end_file:
+ printf (_(" DW_MACRO_GNU_end_file\n"));
+ break;
+
+ case DW_MACRO_GNU_define:
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ string = (char *) curr;
+ curr += strlen (string) + 1;
+ printf (_(" DW_MACRO_GNU_define - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
+
+ case DW_MACRO_GNU_undef:
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ string = (char *) curr;
+ curr += strlen (string) + 1;
+ printf (_(" DW_MACRO_GNU_undef - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
+
+ case DW_MACRO_GNU_define_indirect:
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ offset = byte_get (curr, offset_size);
+ curr += offset_size;
+ string = fetch_indirect_string (offset);
+ printf (_(" DW_MACRO_GNU_define_indirect - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
+
+ case DW_MACRO_GNU_undef_indirect:
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ offset = byte_get (curr, offset_size);
+ curr += offset_size;
+ string = fetch_indirect_string (offset);
+ printf (_(" DW_MACRO_GNU_undef_indirect - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
+
+ case DW_MACRO_GNU_transparent_include:
+ offset = byte_get (curr, offset_size);
+ curr += offset_size;
+ printf (_(" DW_MACRO_GNU_transparent_include - offset : 0x%lx\n"),
+ (unsigned long) offset);
+ break;
+
+ default:
+ if (extended_ops == NULL || extended_ops[op] == NULL)
+ {
+ error (_(" Unknown macro opcode %02x seen\n"), op);
+ return 0;
+ }
+ else
+ {
+ /* Skip over unhandled opcodes. */
+ dwarf_vma nargs, n;
+ unsigned char *desc = extended_ops[op];
+ nargs = read_leb128 (desc, &bytes_read, 0);
+ desc += bytes_read;
+ if (nargs == 0)
+ {
+ printf (_(" DW_MACRO_GNU_%02x\n"), op);
+ break;
+ }
+ printf (_(" DW_MACRO_GNU_%02x -"), op);
+ for (n = 0; n < nargs; n++)
+ {
+ curr
+ = read_and_display_attr_value (0, byte_get (desc++, 1),
+ curr, 0, 0, offset_size,
+ version, NULL, 0, NULL);
+ if (n != nargs - 1)
+ printf (",");
+ }
+ printf ("\n");
+ }
+ break;
+ }
+ }
+
+ printf ("\n");
+ }
+
+ return 1;
+}
+
static int
display_debug_abbrev (struct dwarf_section *section,
void *file ATTRIBUTE_UNUSED)
return 1;
}
+/* Sort array of indexes in ascending order of loc_offsets[idx]. */
+
+static dwarf_vma *loc_offsets;
+
+static int
+loc_offsets_compar (const void *ap, const void *bp)
+{
+ dwarf_vma a = loc_offsets[*(const unsigned int *) ap];
+ dwarf_vma b = loc_offsets[*(const unsigned int *) bp];
+
+ return (a > b) - (b > a);
+}
+
static int
display_debug_loc (struct dwarf_section *section, void *file)
{
unsigned int first = 0;
unsigned int i;
unsigned int j;
+ unsigned int k;
int seen_first_offset = 0;
- int use_debug_info = 1;
+ int locs_sorted = 1;
unsigned char *next;
+ unsigned int *array = NULL;
bytes = section->size;
section_end = start + bytes;
unsigned int num;
num = debug_information [i].num_loc_offsets;
- num_loc_list += num;
+ if (num > num_loc_list)
+ num_loc_list = num;
/* Check if we can use `debug_information' directly. */
- if (use_debug_info && num != 0)
+ if (locs_sorted && num != 0)
{
if (!seen_first_offset)
{
if (last_offset >
debug_information [i].loc_offsets [j])
{
- use_debug_info = 0;
+ locs_sorted = 0;
break;
}
last_offset = debug_information [i].loc_offsets [j];
}
}
- if (!use_debug_info)
- /* FIXME: Should we handle this case? */
- error (_("Location lists in .debug_info section aren't in ascending order!\n"));
-
if (!seen_first_offset)
error (_("No location lists in .debug_info section!\n"));
section->name,
dwarf_vmatoa ("x", debug_information [first].loc_offsets [0]));
+ if (!locs_sorted)
+ array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int));
printf (_("Contents of the %s section:\n\n"), section->name);
printf (_(" Offset Begin End Expression\n"));
cu_offset = debug_information [i].cu_offset;
offset_size = debug_information [i].offset_size;
dwarf_version = debug_information [i].dwarf_version;
+ if (!locs_sorted)
+ {
+ for (k = 0; k < debug_information [i].num_loc_offsets; k++)
+ array[k] = k;
+ loc_offsets = debug_information [i].loc_offsets;
+ qsort (array, debug_information [i].num_loc_offsets,
+ sizeof (*array), loc_offsets_compar);
+ }
- for (j = 0; j < debug_information [i].num_loc_offsets; j++)
+ for (k = 0; k < debug_information [i].num_loc_offsets; k++)
{
+ j = locs_sorted ? k : array[k];
+ if (k
+ && debug_information [i].loc_offsets [locs_sorted
+ ? k - 1 : array [k - 1]]
+ == debug_information [i].loc_offsets [j])
+ continue;
has_frame_base = debug_information [i].have_frame_base [j];
/* DWARF sections under Mach-O have non-zero addresses. */
offset = debug_information [i].loc_offsets [j] - section->address;
warn (_("There are %ld unused bytes at the end of section %s\n"),
(long) (section_end - start), section->name);
putchar ('\n');
+ free (array);
return 1;
}
case EM_X86_64:
case EM_L1OM:
+ case EM_K1OM:
init_dwarf_regnames_x86_64 ();
break;
warn (_("The address table data in version 3 may be wrong.\n"));
break;
case 4:
+ warn (_("Version 4 does not support case insensitive lookups.\n"));
+ break;
+ case 5:
break;
default:
warn (_("Unsupported version %lu.\n"), (unsigned long) version);
{
cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4);
/* Convert to TU number if it's for a type unit. */
- if (cu >= cu_list_elements)
- printf (" T%lu", (unsigned long) (cu - cu_list_elements));
+ if (cu >= cu_list_elements / 2)
+ printf (" T%lu", (unsigned long) (cu - cu_list_elements / 2));
else
printf (" %lu", (unsigned long) cu);
}
display_debug_frames, &do_debug_frames, 1 },
{ { ".debug_macinfo", ".zdebug_macinfo", NULL, NULL, 0, 0 },
display_debug_macinfo, &do_debug_macinfo, 0 },
+ { { ".debug_macro", ".zdebug_macro", NULL, NULL, 0, 0 },
+ display_debug_macro, &do_debug_macinfo, 1 },
{ { ".debug_str", ".zdebug_str", NULL, NULL, 0, 0 },
display_debug_str, &do_debug_str, 0 },
{ { ".debug_loc", ".zdebug_loc", NULL, NULL, 0, 0 },