/* dwarf.c -- display DWARF contents of a BFD binary file
- Copyright (C) 2005-2016 Free Software Foundation, Inc.
+ Copyright (C) 2005-2017 Free Software Foundation, Inc.
This file is part of GNU Binutils.
#include "dwarf2.h"
#include "dwarf.h"
#include "gdb/gdb-index.h"
+#include <assert.h>
+
+#undef MAX
+#undef MIN
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
static const char *regname (unsigned int regno, int row);
as a zero-terminated list of section indexes comprising one set of debug
sections from a .dwo file. */
-static int cu_tu_indexes_read = 0;
static unsigned int *shndx_pool = NULL;
static unsigned int shndx_pool_size = 0;
static unsigned int shndx_pool_used = 0;
static struct cu_tu_set *cu_sets = NULL;
static struct cu_tu_set *tu_sets = NULL;
-static void load_cu_tu_indexes (void *file);
+static bfd_boolean load_cu_tu_indexes (void *);
/* Values for do_debug_lines. */
#define FLAG_DEBUG_LINES_RAW 1
return read_leb128 (data, length_return, FALSE, end);
}
+#define SKIP_ULEB() read_uleb128 (start, & length_return, end); start += length_return
+#define SKIP_SLEB() read_sleb128 (start, & length_return, end); start += length_return
+
+#define READ_ULEB(var) \
+ do \
+ { \
+ dwarf_vma _val; \
+ \
+ (var) = _val = read_uleb128 (start, &length_return, end); \
+ if ((var) != _val) \
+ error (_("Internal error: %s%d: LEB value (%#" DWARF_VMA_FMT "x) too large for containing variable\n"), \
+ __FILE__, __LINE__, _val); \
+ start += length_return; \
+ } \
+ while (0)
+
+#define READ_SLEB(var) \
+ do \
+ { \
+ dwarf_signed_vma _val; \
+ \
+ (var) = _val = read_sleb128 (start, &length_return, end); \
+ if ((var) != _val) \
+ error (_("Internal error: %s%d: LEB value (%#" DWARF_VMA_FMT "x) too large for containing variable\n"), \
+ __FILE__, __LINE__, _val); \
+ start += length_return; \
+ } \
+ while (0)
+
#define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \
do \
{ \
printf (_(" Entry\tDir\tTime\tSize\tName\n"));
printf (" %d\t", ++state_machine_regs.last_file_entry);
- name = data;
- data += strnlen ((char *) data, end - data) + 1;
- printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
- data += bytes_read;
- printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
- data += bytes_read;
- printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
- data += bytes_read;
- printf ("%s\n\n", name);
+ {
+ size_t l;
+
+ name = data;
+ l = strnlen ((char *) data, end - data);
+ data += len + 1;
+ printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
+ data += bytes_read;
+ printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
+ data += bytes_read;
+ printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
+ data += bytes_read;
+ printf ("%.*s\n\n", (int) l, name);
+ }
if (((unsigned int) (data - orig_data) != len) || data == end)
warn (_("DW_LNE_define_file: Bad opcode length\n"));
fetch_indirect_string (dwarf_vma offset)
{
struct dwarf_section *section = &debug_displays [str].section;
+ const unsigned char * ret;
if (section->start == NULL)
return (const unsigned char *) _("<no .debug_str section>");
- if (offset > section->size)
+ if (offset >= section->size)
{
warn (_("DW_FORM_strp offset too big: %s\n"),
dwarf_vmatoa ("x", offset));
return (const unsigned char *) _("<offset is too big>");
}
- return (const unsigned char *) section->start + offset;
+ ret = section->start + offset;
+ /* Unfortunately we cannot rely upon the .debug_str section ending with a
+ NUL byte. Since our caller is expecting to receive a well formed C
+ string we test for the lack of a terminating byte here. */
+ if (strnlen ((const char *) ret, section->size - offset)
+ == section->size - offset)
+ ret = (const unsigned char *)
+ _("<no NUL byte at end of .debug_str section>");
+
+ return ret;
+}
+
+static const unsigned char *
+fetch_indirect_line_string (dwarf_vma offset)
+{
+ struct dwarf_section *section = &debug_displays [line_str].section;
+ const unsigned char * ret;
+
+ if (section->start == NULL)
+ return (const unsigned char *) _("<no .debug_line_str section>");
+
+ if (offset >= section->size)
+ {
+ warn (_("DW_FORM_line_strp offset too big: %s\n"),
+ dwarf_vmatoa ("x", offset));
+ return (const unsigned char *) _("<offset is too big>");
+ }
+
+ ret = section->start + offset;
+ /* Unfortunately we cannot rely upon the .debug_line_str section ending
+ with a NUL byte. Since our caller is expecting to receive a well formed
+ C string we test for the lack of a terminating byte here. */
+ if (strnlen ((const char *) ret, section->size - offset)
+ == section->size - offset)
+ ret = (const unsigned char *)
+ _("<no NUL byte at end of .debug_line_str section>");
+
+ return ret;
}
static const char *
struct dwarf_section *str_section = &debug_displays [str_sec_idx].section;
dwarf_vma index_offset = idx * offset_size;
dwarf_vma str_offset;
+ const char * ret;
if (index_section->start == NULL)
return (dwo ? _("<no .debug_str_offsets.dwo section>")
if (this_set != NULL)
index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS];
- if (index_offset > index_section->size)
+ if (index_offset >= index_section->size)
{
warn (_("DW_FORM_GNU_str_index offset too big: %s\n"),
dwarf_vmatoa ("x", index_offset));
str_offset = byte_get (index_section->start + index_offset, offset_size);
str_offset -= str_section->address;
- if (str_offset > str_section->size)
+ if (str_offset >= str_section->size)
{
warn (_("DW_FORM_GNU_str_index indirect offset too big: %s\n"),
dwarf_vmatoa ("x", str_offset));
return _("<indirect index offset is too big>");
}
- return (const char *) str_section->start + str_offset;
+ ret = (const char *) str_section->start + str_offset;
+ /* Unfortunately we cannot rely upon str_section ending with a NUL byte.
+ Since our caller is expecting to receive a well formed C string we test
+ for the lack of a terminating byte here. */
+ if (strnlen (ret, str_section->size - str_offset)
+ == str_section->size - str_offset)
+ ret = (const char *) _("<no NUL byte at end of section>");
+
+ return ret;
}
static const char *
{
unsigned long attribute;
unsigned long form;
+ bfd_signed_vma implicit_const;
struct abbrev_attr *next;
}
abbrev_attr;
}
static void
-add_abbrev_attr (unsigned long attribute, unsigned long form)
+add_abbrev_attr (unsigned long attribute, unsigned long form,
+ bfd_signed_vma implicit_const)
{
abbrev_attr *attr;
attr->attribute = attribute;
attr->form = form;
+ attr->implicit_const = implicit_const;
attr->next = NULL;
if (last_abbrev->first_attr == NULL)
do
{
unsigned long form;
+ /* Initialize it due to a false compiler warning. */
+ bfd_signed_vma implicit_const = -1;
attribute = read_uleb128 (start, & bytes_read, end);
start += bytes_read;
if (start == end)
break;
- add_abbrev_attr (attribute, form);
+ if (form == DW_FORM_implicit_const)
+ {
+ implicit_const = read_sleb128 (start, & bytes_read, end);
+ start += bytes_read;
+ if (start == end)
+ break;
+ }
+
+ add_abbrev_attr (attribute, form, implicit_const);
}
while (attribute != 0);
}
return name;
}
+static const char *
+get_IDX_name (unsigned long idx)
+{
+ const char *name = get_DW_IDX_name ((unsigned int) idx);
+
+ if (name == NULL)
+ {
+ static char buffer[100];
+
+ snprintf (buffer, sizeof (buffer), _("Unknown IDX value: %lx"), idx);
+ return buffer;
+ }
+
+ return name;
+}
+
static unsigned char *
display_block (unsigned char *data,
dwarf_vma length,
- const unsigned char * const end)
+ const unsigned char * const end, char delimiter)
{
dwarf_vma maxlen;
- printf (_(" %s byte block: "), dwarf_vmatoa ("u", length));
+ printf (_("%c%s byte block: "), delimiter, dwarf_vmatoa ("u", length));
if (data > end)
return (unsigned char *) end;
printf ("DW_OP_implicit_value");
uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
- data = display_block (data, uvalue, end);
+ data = display_block (data, uvalue, end, ' ');
break;
/* GNU extensions. */
print_dwarf_vma (addr, pointer_size);
}
break;
+ case DW_OP_implicit_pointer:
case DW_OP_GNU_implicit_pointer:
/* XXX: Strictly speaking for 64-bit DWARF3 files
this ought to be an 8-byte wide computation. */
if (dwarf_version == -1)
{
- printf (_("(DW_OP_GNU_implicit_pointer in frame info)"));
+ printf (_("(%s in frame info)"),
+ (op == DW_OP_implicit_pointer
+ ? "DW_OP_implicit_pointer"
+ : "DW_OP_GNU_implicit_pointer"));
/* No way to tell where the next op is, so just bail. */
return need_frame_base;
}
{
SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
}
- printf ("DW_OP_GNU_implicit_pointer: <0x%s> %s",
+ printf ("%s: <0x%s> %s",
+ (op == DW_OP_implicit_pointer
+ ? "DW_OP_implicit_pointer" : "DW_OP_GNU_implicit_pointer"),
dwarf_vmatoa ("x", uvalue),
dwarf_vmatoa ("d", read_sleb128 (data,
&bytes_read, end)));
data += bytes_read;
break;
+ case DW_OP_entry_value:
case DW_OP_GNU_entry_value:
uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
/* PR 17531: file: 0cc9cd00. */
if (uvalue > (dwarf_vma) (end - data))
uvalue = end - data;
- printf ("DW_OP_GNU_entry_value: (");
+ printf ("%s: (", (op == DW_OP_entry_value ? "DW_OP_entry_value"
+ : "DW_OP_GNU_entry_value"));
if (decode_location_expression (data, pointer_size, offset_size,
dwarf_version, uvalue,
cu_offset, section))
if (data > end)
data = end;
break;
+ case DW_OP_const_type:
case DW_OP_GNU_const_type:
uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
- printf ("DW_OP_GNU_const_type: <0x%s> ",
+ printf ("%s: <0x%s> ",
+ (op == DW_OP_const_type ? "DW_OP_const_type"
+ : "DW_OP_GNU_const_type"),
dwarf_vmatoa ("x", cu_offset + uvalue));
SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
- data = display_block (data, uvalue, end);
+ data = display_block (data, uvalue, end, ' ');
break;
+ case DW_OP_regval_type:
case DW_OP_GNU_regval_type:
uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
- printf ("DW_OP_GNU_regval_type: %s (%s)",
+ printf ("%s: %s (%s)",
+ (op == DW_OP_regval_type ? "DW_OP_regval_type"
+ : "DW_OP_GNU_regval_type"),
dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
break;
+ case DW_OP_deref_type:
case DW_OP_GNU_deref_type:
SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
- printf ("DW_OP_GNU_deref_type: %ld", (long) uvalue);
+ printf ("%s: %ld",
+ (op == DW_OP_deref_type ? "DW_OP_deref_type"
+ : "DW_OP_GNU_deref_type"),
+ (long) uvalue);
uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
break;
+ case DW_OP_convert:
case DW_OP_GNU_convert:
uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
- printf ("DW_OP_GNU_convert <0x%s>",
+ printf ("%s <0x%s>",
+ (op == DW_OP_convert ? "DW_OP_convert" : "DW_OP_GNU_convert"),
dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
break;
+ case DW_OP_reinterpret:
case DW_OP_GNU_reinterpret:
uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
- printf ("DW_OP_GNU_reinterpret <0x%s>",
+ printf ("%s <0x%s>",
+ (op == DW_OP_reinterpret ? "DW_OP_reinterpret"
+ : "DW_OP_GNU_reinterpret"),
dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
break;
case DW_OP_GNU_parameter_ref:
default:
if (op >= DW_OP_lo_user
&& op <= DW_OP_hi_user)
- printf (_("(User defined location op)"));
+ printf (_("(User defined location op 0x%x)"), op);
else
- printf (_("(Unknown location op)"));
+ printf (_("(Unknown location op 0x%x)"), op);
/* No way to tell where the next op is, so just bail. */
return need_frame_base;
}
static unsigned char *
read_and_display_attr_value (unsigned long attribute,
unsigned long form,
+ dwarf_signed_vma implicit_const,
unsigned char * data,
unsigned char * end,
dwarf_vma cu_offset,
debug_info * debug_info_p,
int do_loc,
struct dwarf_section * section,
- struct cu_tu_set * this_set)
+ struct cu_tu_set * this_set, char delimiter)
{
dwarf_vma uvalue = 0;
unsigned char *block_start = NULL;
break;
case DW_FORM_strp:
+ case DW_FORM_line_strp:
case DW_FORM_sec_offset:
case DW_FORM_GNU_ref_alt:
case DW_FORM_GNU_strp_alt:
form = read_uleb128 (data, & bytes_read, end);
data += bytes_read;
if (!do_loc)
- printf (" %s", get_FORM_name (form));
- return read_and_display_attr_value (attribute, form, data, end,
- cu_offset, pointer_size,
+ printf ("%c%s", delimiter, get_FORM_name (form));
+ if (form == DW_FORM_implicit_const)
+ {
+ implicit_const = read_sleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ }
+ return read_and_display_attr_value (attribute, form, implicit_const, data,
+ end, cu_offset, pointer_size,
offset_size, dwarf_version,
debug_info_p, do_loc,
- section, this_set);
+ section, this_set, delimiter);
case DW_FORM_GNU_addr_index:
uvalue = read_uleb128 (data, & bytes_read, end);
data += bytes_read;
{
case DW_FORM_ref_addr:
if (!do_loc)
- printf (" <0x%s>", dwarf_vmatoa ("x",uvalue));
+ printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x",uvalue));
break;
case DW_FORM_GNU_ref_alt:
if (!do_loc)
- printf (" <alt 0x%s>", dwarf_vmatoa ("x",uvalue));
+ printf ("%c<alt 0x%s>", delimiter, dwarf_vmatoa ("x",uvalue));
break;
case DW_FORM_ref1:
case DW_FORM_ref4:
case DW_FORM_ref_udata:
if (!do_loc)
- printf (" <0x%s>", dwarf_vmatoa ("x", uvalue + cu_offset));
+ printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue + cu_offset));
break;
case DW_FORM_data4:
case DW_FORM_addr:
case DW_FORM_sec_offset:
if (!do_loc)
- printf (" 0x%s", dwarf_vmatoa ("x", uvalue));
+ printf ("%c0x%s", delimiter, dwarf_vmatoa ("x", uvalue));
break;
case DW_FORM_flag_present:
case DW_FORM_sdata:
case DW_FORM_udata:
if (!do_loc)
- printf (" %s", dwarf_vmatoa ("d", uvalue));
+ printf ("%c%s", delimiter, dwarf_vmatoa ("d", uvalue));
+ break;
+
+ case DW_FORM_implicit_const:
+ if (!do_loc)
+ printf ("%c%s", delimiter, dwarf_vmatoa ("d", implicit_const));
break;
case DW_FORM_ref8:
utmp = uvalue;
if (form == DW_FORM_ref8)
add64 (& high_bits, & utmp, cu_offset);
- printf (" 0x%s",
+ printf ("%c0x%s", delimiter,
dwarf_vmatoa64 (high_bits, utmp, buf, sizeof (buf)));
}
data += 8;
break;
+ case DW_FORM_data16:
+ if (!do_loc)
+ {
+ dwarf_vma left_high_bits, left_low_bits;
+ dwarf_vma right_high_bits, right_low_bits;
+
+ SAFE_BYTE_GET64 (data, &left_high_bits, &left_low_bits, end);
+ SAFE_BYTE_GET64 (data + 8, &right_high_bits, &right_low_bits, end);
+ if (byte_get == byte_get_little_endian)
+ {
+ /* Swap them. */
+ left_high_bits ^= right_high_bits;
+ right_high_bits ^= left_high_bits;
+ left_high_bits ^= right_high_bits;
+ left_low_bits ^= right_low_bits;
+ right_low_bits ^= left_low_bits;
+ left_low_bits ^= right_low_bits;
+ }
+ printf (" 0x%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x"
+ "%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x",
+ left_high_bits, left_low_bits, right_high_bits,
+ right_low_bits);
+ }
+ data += 16;
+ break;
+
case DW_FORM_string:
if (!do_loc)
- printf (" %.*s", (int) (end - data), data);
+ printf ("%c%.*s", delimiter, (int) (end - data), data);
data += strnlen ((char *) data, end - data) + 1;
break;
if (do_loc)
data = block_start + uvalue;
else
- data = display_block (block_start, uvalue, end);
+ data = display_block (block_start, uvalue, end, delimiter);
break;
case DW_FORM_block1:
if (do_loc)
data = block_start + uvalue;
else
- data = display_block (block_start, uvalue, end);
+ data = display_block (block_start, uvalue, end, delimiter);
break;
case DW_FORM_block2:
if (do_loc)
data = block_start + uvalue;
else
- data = display_block (block_start, uvalue, end);
+ data = display_block (block_start, uvalue, end, delimiter);
break;
case DW_FORM_block4:
if (do_loc)
data = block_start + uvalue;
else
- data = display_block (block_start, uvalue, end);
+ data = display_block (block_start, uvalue, end, delimiter);
break;
case DW_FORM_strp:
if (!do_loc)
- printf (_(" (indirect string, offset: 0x%s): %s"),
+ printf (_("%c(indirect string, offset: 0x%s): %s"), delimiter,
dwarf_vmatoa ("x", uvalue),
fetch_indirect_string (uvalue));
break;
+ case DW_FORM_line_strp:
+ if (!do_loc)
+ printf (_("%c(indirect line string, offset: 0x%s): %s"), delimiter,
+ dwarf_vmatoa ("x", uvalue),
+ fetch_indirect_line_string (uvalue));
+ break;
+
case DW_FORM_GNU_str_index:
if (!do_loc)
{
const char *suffix = strrchr (section->name, '.');
int dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? 1 : 0;
- printf (_(" (indexed string: 0x%s): %s"),
+ printf (_("%c(indexed string: 0x%s): %s"), delimiter,
dwarf_vmatoa ("x", uvalue),
fetch_indexed_string (uvalue, this_set, offset_size, dwo));
}
case DW_FORM_GNU_strp_alt:
if (!do_loc)
- printf (_(" (alt indirect string, offset: 0x%s)"),
+ printf (_("%c(alt indirect string, offset: 0x%s)"), delimiter,
dwarf_vmatoa ("x", uvalue));
break;
char buf[64];
SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end);
- printf (" signature: 0x%s",
+ printf ("%csignature: 0x%s", delimiter,
dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf)));
}
data += 8;
case DW_FORM_GNU_addr_index:
if (!do_loc)
- printf (_(" (addr_index: 0x%s): %s"),
+ printf (_("%c(addr_index: 0x%s): %s"), delimiter,
dwarf_vmatoa ("x", uvalue),
fetch_indexed_value (uvalue * pointer_size, pointer_size));
break;
case DW_AT_segment:
case DW_AT_static_link:
case DW_AT_use_location:
+ case DW_AT_call_value:
case DW_AT_GNU_call_site_value:
+ case DW_AT_call_data_value:
case DW_AT_GNU_call_site_data_value:
+ case DW_AT_call_target:
case DW_AT_GNU_call_site_target:
+ case DW_AT_call_target_clobbered:
case DW_AT_GNU_call_site_target_clobbered:
if ((dwarf_version < 4
&& (form == DW_FORM_data4 || form == DW_FORM_data8))
case DW_AT_segment:
case DW_AT_static_link:
case DW_AT_use_location:
+ case DW_AT_call_value:
case DW_AT_GNU_call_site_value:
+ case DW_AT_call_data_value:
case DW_AT_GNU_call_site_data_value:
+ case DW_AT_call_target:
case DW_AT_GNU_call_site_target:
+ case DW_AT_call_target_clobbered:
case DW_AT_GNU_call_site_target_clobbered:
if ((dwarf_version < 4
&& (form == DW_FORM_data4 || form == DW_FORM_data8))
static unsigned char *
read_and_display_attr (unsigned long attribute,
unsigned long form,
+ dwarf_signed_vma implicit_const,
unsigned char * data,
unsigned char * end,
dwarf_vma cu_offset,
{
if (!do_loc)
printf (" %-18s:", get_AT_name (attribute));
- data = read_and_display_attr_value (attribute, form, data, end,
+ data = read_and_display_attr_value (attribute, form, implicit_const, data, end,
cu_offset, pointer_size, offset_size,
dwarf_version, debug_info_p,
- do_loc, section, this_set);
+ do_loc, section, this_set, ' ');
if (!do_loc)
printf ("\n");
return data;
printf (_("Contents of the %s section:\n\n"), section->name);
load_debug_section (str, file);
+ load_debug_section (line_str, file);
load_debug_section (str_dwo, file);
load_debug_section (str_index, file);
load_debug_section (str_index_dwo, file);
this_set = find_cu_tu_set_v2 (cu_offset, do_types);
+ if (compunit.cu_version < 5)
+ {
+ compunit.cu_unit_type = DW_UT_compile;
+ /* Initialize it due to a false compiler warning. */
+ compunit.cu_pointer_size = -1;
+ }
+ else
+ {
+ SAFE_BYTE_GET_AND_INC (compunit.cu_unit_type, hdrptr, 1, end);
+ do_types = (compunit.cu_unit_type == DW_UT_type);
+
+ SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end);
+ }
+
SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end);
if (this_set == NULL)
abbrev_size = this_set->section_sizes [DW_SECT_ABBREV];
}
- SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end);
+ if (compunit.cu_version < 5)
+ SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end);
+
/* PR 17512: file: 001-108546-0.001:0.1. */
if (compunit.cu_pointer_size < 2 || compunit.cu_pointer_size > 8)
{
start = end;
}
- if (compunit.cu_version != 2
- && compunit.cu_version != 3
- && compunit.cu_version != 4)
+ if (compunit.cu_version < 2 || compunit.cu_version > 5)
{
warn (_("CU at offset %s contains corrupt or "
"unsupported version number: %d.\n"),
continue;
}
+ if (compunit.cu_unit_type != DW_UT_compile
+ && compunit.cu_unit_type != DW_UT_type)
+ {
+ warn (_("CU at offset %s contains corrupt or "
+ "unsupported unit type: %d.\n"),
+ dwarf_vmatoa ("x", cu_offset), compunit.cu_unit_type);
+ continue;
+ }
+
free_abbrevs ();
/* Process the abbrevs used by this compilation unit. */
tags = read_and_display_attr (attr->attribute,
attr->form,
+ attr->implicit_const,
tags,
end,
cu_offset,
return num_debug_info_entries;
/* If this is a DWARF package file, load the CU and TU indexes. */
- load_cu_tu_indexes (file);
+ (void) load_cu_tu_indexes (file);
if (load_debug_section (info, file)
&& process_debug_info (&debug_displays [info].section, file, abbrev, 1, 0))
unsigned char ** end_of_sequence)
{
unsigned char *hdrptr;
- unsigned int offset_size;
unsigned int initial_length_size;
+ unsigned char address_size, segment_selector_size;
/* Extract information from the Line Number Program Header.
(section 6.2.4 in the Dwarf3 doc). */
{
/* This section is 64-bit DWARF 3. */
SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end);
- offset_size = 8;
+ linfo->li_offset_size = 8;
initial_length_size = 12;
}
else
{
- offset_size = 4;
+ linfo->li_offset_size = 4;
initial_length_size = 4;
}
comprised of several different .debug_line.* sections, (some of
which may be removed by linker garbage collection), and a relocation
is used to compute the correct length once that is done. */
- if (reloc_at (section, (hdrptr - section->start) - offset_size))
+ if (reloc_at (section, (hdrptr - section->start) - linfo->li_offset_size))
{
linfo->li_length = (end - data) - initial_length_size;
}
if (linfo->li_version != 2
&& linfo->li_version != 3
- && linfo->li_version != 4)
+ && linfo->li_version != 4
+ && linfo->li_version != 5)
{
- warn (_("Only DWARF version 2, 3 and 4 line info is currently supported.\n"));
+ warn (_("Only DWARF version 2, 3, 4 and 5 line info "
+ "is currently supported.\n"));
return NULL;
}
- SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr, offset_size, end);
+ if (linfo->li_version >= 5)
+ {
+ SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end);
+
+ SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end);
+ if (segment_selector_size != 0)
+ {
+ warn (_("The %s section contains "
+ "unsupported segment selector size: %d.\n"),
+ section->name, segment_selector_size);
+ return 0;
+ }
+ }
+
+ SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr,
+ linfo->li_offset_size, end);
SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end);
if (linfo->li_version >= 4)
return hdrptr;
}
+static unsigned char *
+display_formatted_table (unsigned char *data,
+ unsigned char *start, unsigned char *end,
+ const DWARF2_Internal_LineInfo *linfo,
+ struct dwarf_section *section, const char *what)
+{
+ unsigned char *format_start, format_count, *format, formati;
+ dwarf_vma data_count, datai;
+ unsigned int bytes_read, namepass, last_entry = 0;
+
+ SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
+ format_start = data;
+ for (formati = 0; formati < format_count; formati++)
+ {
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ if (data == end)
+ {
+ warn (_("Corrupt %s entry format table entry\n"), what);
+ return data;
+ }
+ }
+
+ data_count = read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ if (data == end)
+ {
+ warn (_("Corrupt %s list\n"), what);
+ return data;
+ }
+
+ if (data_count == 0)
+ {
+ printf (_("\n The %s Table is empty.\n"), what);
+ return data;
+ }
+
+ printf (_("\n The %s Table (offset 0x%lx):\n"), what,
+ (long)(data - start));
+
+ printf (_(" Entry"));
+ /* Delay displaying name as the last entry for better screen layout. */
+ for (namepass = 0; namepass < 2; namepass++)
+ {
+ format = format_start;
+ for (formati = 0; formati < format_count; formati++)
+ {
+ dwarf_vma content_type;
+
+ content_type = read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ if ((content_type == DW_LNCT_path) == (namepass == 1))
+ switch (content_type)
+ {
+ case DW_LNCT_path:
+ printf (_("\tName"));
+ break;
+ case DW_LNCT_directory_index:
+ printf (_("\tDir"));
+ break;
+ case DW_LNCT_timestamp:
+ printf (_("\tTime"));
+ break;
+ case DW_LNCT_size:
+ printf (_("\tSize"));
+ break;
+ case DW_LNCT_MD5:
+ printf (_("\tMD5"));
+ break;
+ default:
+ printf (_("\t(Unknown format content type %s)"),
+ dwarf_vmatoa ("u", content_type));
+ }
+ read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ }
+ }
+ putchar ('\n');
+
+ for (datai = 0; datai < data_count; datai++)
+ {
+ unsigned char *datapass = data;
+
+ printf (" %d", last_entry++);
+ /* Delay displaying name as the last entry for better screen layout. */
+ for (namepass = 0; namepass < 2; namepass++)
+ {
+ format = format_start;
+ data = datapass;
+ for (formati = 0; formati < format_count; formati++)
+ {
+ dwarf_vma content_type, form;
+
+ content_type = read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ form = read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ data = read_and_display_attr_value (0, form, 0, data, end, 0, 0,
+ linfo->li_offset_size,
+ linfo->li_version, NULL,
+ ((content_type == DW_LNCT_path) != (namepass == 1)),
+ section, NULL, '\t');
+ }
+ }
+ if (data == end)
+ {
+ warn (_("Corrupt %s entries list\n"), what);
+ return data;
+ }
+ putchar ('\n');
+ }
+ return data;
+}
+
static int
display_debug_lines_raw (struct dwarf_section *section,
unsigned char *data,
- unsigned char *end)
+ unsigned char *end, void *file)
{
unsigned char *start = section->start;
DWARF2_Internal_LineInfo linfo;
unsigned char *standard_opcodes;
unsigned char *end_of_sequence;
- unsigned int last_dir_entry = 0;
int i;
if (const_strneq (section->name, ".debug_line.")
/* Display the contents of the Directory table. */
data = standard_opcodes + linfo.li_opcode_base - 1;
- if (*data == 0)
- printf (_("\n The Directory Table is empty.\n"));
- else
+ if (linfo.li_version >= 5)
{
- printf (_("\n The Directory Table (offset 0x%lx):\n"),
- (long)(data - start));
+ load_debug_section (line_str, file);
- while (data < end && *data != 0)
+ data = display_formatted_table (data, start, end, &linfo, section,
+ _("Directory"));
+ data = display_formatted_table (data, start, end, &linfo, section,
+ _("File name"));
+ }
+ else
+ {
+ if (*data == 0)
+ printf (_("\n The Directory Table is empty.\n"));
+ else
{
- printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data);
+ unsigned int last_dir_entry = 0;
- data += strnlen ((char *) data, end - data) + 1;
- }
-
- /* PR 17512: file: 002-132094-0.004. */
- if (data >= end - 1)
- break;
- }
+ printf (_("\n The Directory Table (offset 0x%lx):\n"),
+ (long)(data - start));
- /* Skip the NUL at the end of the table. */
- data++;
+ while (data < end && *data != 0)
+ {
+ printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data);
- /* Display the contents of the File Name table. */
- if (*data == 0)
- printf (_("\n The File Name Table is empty.\n"));
- else
- {
- printf (_("\n The File Name Table (offset 0x%lx):\n"),
- (long)(data - start));
- printf (_(" Entry\tDir\tTime\tSize\tName\n"));
+ data += strnlen ((char *) data, end - data) + 1;
+ }
- while (data < end && *data != 0)
- {
- unsigned char *name;
- unsigned int bytes_read;
+ /* PR 17512: file: 002-132094-0.004. */
+ if (data >= end - 1)
+ break;
+ }
- printf (" %d\t", ++state_machine_regs.last_file_entry);
- name = data;
- data += strnlen ((char *) data, end - data) + 1;
+ /* Skip the NUL at the end of the table. */
+ data++;
- printf ("%s\t",
- dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
- data += bytes_read;
- printf ("%s\t",
- dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
- data += bytes_read;
- printf ("%s\t",
- dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
- data += bytes_read;
- printf ("%.*s\n", (int)(end - name), name);
+ /* Display the contents of the File Name table. */
+ if (*data == 0)
+ printf (_("\n The File Name Table is empty.\n"));
+ else
+ {
+ printf (_("\n The File Name Table (offset 0x%lx):\n"),
+ (long)(data - start));
+ printf (_(" Entry\tDir\tTime\tSize\tName\n"));
- if (data == end)
+ while (data < end && *data != 0)
{
- warn (_("Corrupt file name table entry\n"));
- break;
+ unsigned char *name;
+ unsigned int bytes_read;
+
+ printf (" %d\t", ++state_machine_regs.last_file_entry);
+ name = data;
+ data += strnlen ((char *) data, end - data) + 1;
+
+ printf ("%s\t",
+ dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
+ data += bytes_read;
+ printf ("%s\t",
+ dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
+ data += bytes_read;
+ printf ("%s\t",
+ dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
+ data += bytes_read;
+ printf ("%.*s\n", (int)(end - name), name);
+
+ if (data == end)
+ {
+ warn (_("Corrupt file name table entry\n"));
+ break;
+ }
}
}
+
+ /* Skip the NUL at the end of the table. */
+ data++;
}
- /* Skip the NUL at the end of the table. */
- data++;
putchar ('\n');
saved_linfo = linfo;
}
static int
display_debug_lines_decoded (struct dwarf_section *section,
unsigned char *data,
- unsigned char *end)
+ unsigned char *end, void *fileptr)
{
static DWARF2_Internal_LineInfo saved_linfo;
File_Entry *file_table = NULL;
unsigned int n_files = 0;
unsigned char **directory_table = NULL;
- unsigned int n_directories = 0;
+ dwarf_vma n_directories = 0;
if (const_strneq (section->name, ".debug_line.")
/* Note: the following does not apply to .debug_line.dwo sections.
return 0;
}
- if (*data != 0)
+ if (linfo.li_version >= 5)
{
- unsigned char *ptr_directory_table = data;
+ unsigned char *format_start, format_count, *format;
+ dwarf_vma formati, entryi;
+ unsigned int bytes_read;
- while (data < end && *data != 0)
+ load_debug_section (line_str, fileptr);
+
+ /* Skip directories format. */
+ SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
+ format_start = data;
+ for (formati = 0; formati < format_count; formati++)
{
- data += strnlen ((char *) data, end - data) + 1;
- n_directories++;
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
}
- /* PR 20440 */
- if (data >= end)
+ n_directories = read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ if (data == end)
{
- warn (_("directory table ends unexpectedly\n"));
- n_directories = 0;
+ warn (_("Corrupt directories list\n"));
break;
}
- /* Go through the directory table again to save the directories. */
directory_table = (unsigned char **)
xmalloc (n_directories * sizeof (unsigned char *));
- i = 0;
- while (*ptr_directory_table != 0)
+ for (entryi = 0; entryi < n_directories; entryi++)
{
- directory_table[i] = ptr_directory_table;
- ptr_directory_table += strnlen ((char *) ptr_directory_table,
- ptr_directory_table - end) + 1;
- i++;
- }
- }
- /* Skip the NUL at the end of the table. */
- data++;
+ unsigned char **pathp = &directory_table[entryi];
- /* Traverse the File Name table just to count the entries. */
- if (data < end && *data != 0)
- {
- unsigned char *ptr_file_name_table = data;
+ format = format_start;
+ for (formati = 0; formati < format_count; formati++)
+ {
+ dwarf_vma content_type, form;
+ dwarf_vma uvalue;
+
+ content_type = read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ form = read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ if (data == end)
+ {
+ warn (_("Corrupt directories list\n"));
+ break;
+ }
+ switch (content_type)
+ {
+ case DW_LNCT_path:
+ switch (form)
+ {
+ case DW_FORM_string:
+ *pathp = data;
+ break;
+ case DW_FORM_line_strp:
+ SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
+ end);
+ /* Remove const by the cast. */
+ *pathp = (unsigned char *)
+ fetch_indirect_line_string (uvalue);
+ break;
+ }
+ break;
+ }
+ data = read_and_display_attr_value (0, form, 0, data, end,
+ 0, 0,
+ linfo.li_offset_size,
+ linfo.li_version,
+ NULL, 1, section,
+ NULL, '\t');
+ }
+ if (data == end)
+ {
+ warn (_("Corrupt directories list\n"));
+ break;
+ }
+ }
- while (data < end && *data != 0)
+ /* Skip files format. */
+ SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
+ format_start = data;
+ for (formati = 0; formati < format_count; formati++)
{
- unsigned int bytes_read;
-
- /* Skip Name, directory index, last modification time and length
- of file. */
- data += strnlen ((char *) data, end - data) + 1;
- read_uleb128 (data, & bytes_read, end);
- data += bytes_read;
read_uleb128 (data, & bytes_read, end);
data += bytes_read;
read_uleb128 (data, & bytes_read, end);
data += bytes_read;
-
- n_files++;
}
- if (data >= end)
+ n_files = read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ if (data == end)
{
- warn (_("file table ends unexpectedly\n"));
- n_files = 0;
+ warn (_("Corrupt file name list\n"));
break;
}
- /* Go through the file table again to save the strings. */
- file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry));
+ file_table = (File_Entry *) xcalloc (1, n_files
+ * sizeof (File_Entry));
- i = 0;
- while (*ptr_file_name_table != 0)
+ for (entryi = 0; entryi < n_files; entryi++)
{
- unsigned int bytes_read;
-
- file_table[i].name = ptr_file_name_table;
- ptr_file_name_table += strnlen ((char *) ptr_file_name_table,
- end - ptr_file_name_table) + 1;
-
- /* We are not interested in directory, time or size. */
- file_table[i].directory_index = read_uleb128 (ptr_file_name_table,
- & bytes_read, end);
- ptr_file_name_table += bytes_read;
- file_table[i].modification_date = read_uleb128 (ptr_file_name_table,
- & bytes_read, end);
- ptr_file_name_table += bytes_read;
- file_table[i].length = read_uleb128 (ptr_file_name_table, & bytes_read, end);
- ptr_file_name_table += bytes_read;
- i++;
- }
- i = 0;
+ File_Entry *file = &file_table[entryi];
- /* Print the Compilation Unit's name and a header. */
- if (directory_table == NULL)
- {
- printf (_("CU: %s:\n"), file_table[0].name);
- printf (_("File name Line number Starting address\n"));
+ format = format_start;
+ for (formati = 0; formati < format_count; formati++)
+ {
+ dwarf_vma content_type, form;
+ dwarf_vma uvalue;
+
+ content_type = read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ form = read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ if (data == end)
+ {
+ warn (_("Corrupt file name list\n"));
+ break;
+ }
+ switch (content_type)
+ {
+ case DW_LNCT_path:
+ switch (form)
+ {
+ case DW_FORM_string:
+ file->name = data;
+ break;
+ case DW_FORM_line_strp:
+ SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
+ end);
+ /* Remove const by the cast. */
+ file->name = (unsigned char *)
+ fetch_indirect_line_string (uvalue);
+ break;
+ }
+ break;
+ case DW_LNCT_directory_index:
+ switch (form)
+ {
+ case DW_FORM_data1:
+ SAFE_BYTE_GET (file->directory_index, data, 1,
+ end);
+ break;
+ case DW_FORM_data2:
+ SAFE_BYTE_GET (file->directory_index, data, 2,
+ end);
+ break;
+ case DW_FORM_udata:
+ file->directory_index = read_uleb128 (data, NULL,
+ end);
+ break;
+ }
+ break;
+ }
+ data = read_and_display_attr_value (0, form, 0, data, end,
+ 0, 0,
+ linfo.li_offset_size,
+ linfo.li_version,
+ NULL, 1, section,
+ NULL, '\t');
+ }
+ if (data == end)
+ {
+ warn (_("Corrupt file name list\n"));
+ break;
+ }
}
- else
+ }
+ else
+ {
+ if (*data != 0)
{
- unsigned int ix = file_table[0].directory_index;
- const char *directory;
-
- if (ix == 0)
- directory = ".";
- /* PR 20439 */
- else if (n_directories == 0)
- directory = _("<unknown>");
- else if (ix > n_directories)
+ unsigned char *ptr_directory_table = data;
+
+ while (data < end && *data != 0)
{
- warn (_("directory index %u > number of directories %u\n"), ix, n_directories);
- directory = _("<corrupt>");
+ data += strnlen ((char *) data, end - data) + 1;
+ n_directories++;
}
- else
- directory = (char *) directory_table[ix - 1];
- if (do_wide || strlen (directory) < 76)
- printf (_("CU: %s/%s:\n"), directory, file_table[0].name);
- else
- printf ("%s:\n", file_table[0].name);
+ /* PR 20440 */
+ if (data >= end)
+ {
+ warn (_("directory table ends unexpectedly\n"));
+ n_directories = 0;
+ break;
+ }
- printf (_("File name Line number Starting address\n"));
+ /* Go through the directory table again to save the directories. */
+ directory_table = (unsigned char **)
+ xmalloc (n_directories * sizeof (unsigned char *));
+
+ i = 0;
+ while (*ptr_directory_table != 0)
+ {
+ directory_table[i] = ptr_directory_table;
+ ptr_directory_table += strnlen ((char *) ptr_directory_table,
+ ptr_directory_table - end) + 1;
+ i++;
+ }
}
- }
+ /* Skip the NUL at the end of the table. */
+ data++;
- /* Skip the NUL at the end of the table. */
- data++;
+ /* Traverse the File Name table just to count the entries. */
+ if (data < end && *data != 0)
+ {
+ unsigned char *ptr_file_name_table = data;
- saved_linfo = linfo;
- }
+ while (data < end && *data != 0)
+ {
+ unsigned int bytes_read;
+
+ /* Skip Name, directory index, last modification time and length
+ of file. */
+ data += strnlen ((char *) data, end - data) + 1;
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+
+ n_files++;
+ }
- /* This loop iterates through the Dwarf Line Number Program. */
- while (data < end_of_sequence)
- {
- unsigned char op_code;
- int adv;
- unsigned long int uladv;
- unsigned int bytes_read;
- int is_special_opcode = 0;
+ if (data >= end)
+ {
+ warn (_("file table ends unexpectedly\n"));
+ n_files = 0;
+ break;
+ }
- op_code = *data++;
+ /* Go through the file table again to save the strings. */
+ file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry));
- if (op_code >= linfo.li_opcode_base)
+ i = 0;
+ while (*ptr_file_name_table != 0)
+ {
+ unsigned int bytes_read;
+
+ file_table[i].name = ptr_file_name_table;
+ ptr_file_name_table += strnlen ((char *) ptr_file_name_table,
+ end - ptr_file_name_table) + 1;
+
+ /* We are not interested in directory, time or size. */
+ file_table[i].directory_index = read_uleb128 (ptr_file_name_table,
+ & bytes_read, end);
+ ptr_file_name_table += bytes_read;
+ file_table[i].modification_date = read_uleb128 (ptr_file_name_table,
+ & bytes_read, end);
+ ptr_file_name_table += bytes_read;
+ file_table[i].length = read_uleb128 (ptr_file_name_table, & bytes_read, end);
+ ptr_file_name_table += bytes_read;
+ i++;
+ }
+ i = 0;
+ }
+
+ /* Skip the NUL at the end of the table. */
+ data++;
+ }
+
+ /* Print the Compilation Unit's name and a header. */
+ if (file_table == NULL)
+ ;
+ else if (directory_table == NULL)
+ printf (_("CU: %s:\n"), file_table[0].name);
+ else
+ {
+ unsigned int ix = file_table[0].directory_index;
+ const char *directory;
+
+ if (ix == 0)
+ directory = ".";
+ /* PR 20439 */
+ else if (n_directories == 0)
+ directory = _("<unknown>");
+ else if (ix > n_directories)
+ {
+ warn (_("directory index %u > number of directories %s\n"),
+ ix, dwarf_vmatoa ("u", n_directories));
+ directory = _("<corrupt>");
+ }
+ else
+ directory = (char *) directory_table[ix - 1];
+
+ if (do_wide || strlen (directory) < 76)
+ printf (_("CU: %s/%s:\n"), directory, file_table[0].name);
+ else
+ printf ("%s:\n", file_table[0].name);
+ }
+
+ printf (_("File name Line number Starting address\n"));
+ saved_linfo = linfo;
+ }
+
+ /* This loop iterates through the Dwarf Line Number Program. */
+ while (data < end_of_sequence)
+ {
+ unsigned char op_code;
+ int adv;
+ unsigned long int uladv;
+ unsigned int bytes_read;
+ int is_special_opcode = 0;
+
+ op_code = *data++;
+
+ if (op_code >= linfo.li_opcode_base)
{
op_code -= linfo.li_opcode_base;
uladv = (op_code / linfo.li_line_range);
/* PR 20439 */
else if (dir > n_directories)
{
- warn (_("directory index %u > number of directories %u\n"), dir, n_directories);
+ warn (_("directory index %u > number of directories %s\n"),
+ dir, dwarf_vmatoa ("u", n_directories));
printf (_("\n <over large directory table entry %u>\n"), dir);
}
else
}
static int
-display_debug_lines (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED)
+display_debug_lines (struct dwarf_section *section, void *file)
{
unsigned char *data = section->start;
unsigned char *end = data + section->size;
do_debug_lines |= FLAG_DEBUG_LINES_RAW;
if (do_debug_lines & FLAG_DEBUG_LINES_RAW)
- retValRaw = display_debug_lines_raw (section, data, end);
+ retValRaw = display_debug_lines_raw (section, data, end, file);
if (do_debug_lines & FLAG_DEBUG_LINES_DECODED)
- retValDecoded = display_debug_lines_decoded (section, data, end);
+ retValDecoded = display_debug_lines_decoded (section, data, end, file);
if (!retValRaw || !retValDecoded)
return 0;
unsigned char **extended_ops = NULL;
SAFE_BYTE_GET_AND_INC (version, curr, 2, end);
- if (version != 4)
+ if (version != 4 && version != 5)
{
- error (_("Only GNU extension to DWARF 4 of %s is currently supported.\n"),
+ error (_("Only GNU extension to DWARF 4 or 5 of %s is currently supported.\n"),
section->name);
return 0;
}
nargs = read_uleb128 (curr, &bytes_read, end);
curr += bytes_read;
if (nargs == 0)
- printf (_(" DW_MACRO_GNU_%02x has no arguments\n"), op);
+ printf (_(" DW_MACRO_%02x has no arguments\n"), op);
else
{
- printf (_(" DW_MACRO_GNU_%02x arguments: "), op);
+ printf (_(" DW_MACRO_%02x arguments: "), op);
for (n = 0; n < nargs; n++)
{
unsigned int form;
switch (op)
{
- case DW_MACRO_GNU_start_file:
+ case DW_MACRO_start_file:
{
unsigned int filenum;
unsigned char *file_name = NULL, *dir_name = NULL;
curr += bytes_read;
if ((flags & 2) == 0)
- error (_("DW_MACRO_GNU_start_file used, but no .debug_line offset provided.\n"));
+ error (_("DW_MACRO_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"),
+ printf (_(" DW_MACRO_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"),
+ printf (_(" DW_MACRO_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"));
+ case DW_MACRO_end_file:
+ printf (_(" DW_MACRO_end_file\n"));
break;
- case DW_MACRO_GNU_define:
+ case DW_MACRO_define:
lineno = read_uleb128 (curr, &bytes_read, end);
curr += bytes_read;
string = curr;
curr += strnlen ((char *) string, end - string) + 1;
- printf (_(" DW_MACRO_GNU_define - lineno : %d macro : %s\n"),
+ printf (_(" DW_MACRO_define - lineno : %d macro : %s\n"),
lineno, string);
break;
- case DW_MACRO_GNU_undef:
+ case DW_MACRO_undef:
lineno = read_uleb128 (curr, &bytes_read, end);
curr += bytes_read;
string = curr;
curr += strnlen ((char *) string, end - string) + 1;
- printf (_(" DW_MACRO_GNU_undef - lineno : %d macro : %s\n"),
+ printf (_(" DW_MACRO_undef - lineno : %d macro : %s\n"),
lineno, string);
break;
- case DW_MACRO_GNU_define_indirect:
+ case DW_MACRO_define_strp:
lineno = read_uleb128 (curr, &bytes_read, end);
curr += bytes_read;
SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
string = fetch_indirect_string (offset);
- printf (_(" DW_MACRO_GNU_define_indirect - lineno : %d macro : %s\n"),
+ printf (_(" DW_MACRO_define_strp - lineno : %d macro : %s\n"),
lineno, string);
break;
- case DW_MACRO_GNU_undef_indirect:
+ case DW_MACRO_undef_strp:
lineno = read_uleb128 (curr, &bytes_read, end);
curr += bytes_read;
SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
string = fetch_indirect_string (offset);
- printf (_(" DW_MACRO_GNU_undef_indirect - lineno : %d macro : %s\n"),
+ printf (_(" DW_MACRO_undef_strp - lineno : %d macro : %s\n"),
lineno, string);
break;
- case DW_MACRO_GNU_transparent_include:
+ case DW_MACRO_import:
SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
- printf (_(" DW_MACRO_GNU_transparent_include - offset : 0x%lx\n"),
+ printf (_(" DW_MACRO_import - offset : 0x%lx\n"),
(unsigned long) offset);
break;
- case DW_MACRO_GNU_define_indirect_alt:
+ case DW_MACRO_define_sup:
lineno = read_uleb128 (curr, &bytes_read, end);
curr += bytes_read;
SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
- printf (_(" DW_MACRO_GNU_define_indirect_alt - lineno : %d macro offset : 0x%lx\n"),
+ printf (_(" DW_MACRO_define_sup - lineno : %d macro offset : 0x%lx\n"),
lineno, (unsigned long) offset);
break;
- case DW_MACRO_GNU_undef_indirect_alt:
+ case DW_MACRO_undef_sup:
lineno = read_uleb128 (curr, &bytes_read, end);
curr += bytes_read;
SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
- printf (_(" DW_MACRO_GNU_undef_indirect_alt - lineno : %d macro offset : 0x%lx\n"),
+ printf (_(" DW_MACRO_undef_sup - lineno : %d macro offset : 0x%lx\n"),
lineno, (unsigned long) offset);
break;
- case DW_MACRO_GNU_transparent_include_alt:
+ case DW_MACRO_import_sup:
SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
- printf (_(" DW_MACRO_GNU_transparent_include_alt - offset : 0x%lx\n"),
+ printf (_(" DW_MACRO_import_sup - offset : 0x%lx\n"),
(unsigned long) offset);
break;
desc += bytes_read;
if (nargs == 0)
{
- printf (_(" DW_MACRO_GNU_%02x\n"), op);
+ printf (_(" DW_MACRO_%02x\n"), op);
break;
}
- printf (_(" DW_MACRO_GNU_%02x -"), op);
+ printf (_(" DW_MACRO_%02x -"), op);
for (n = 0; n < nargs; n++)
{
int val;
+ /* DW_FORM_implicit_const is not expected here. */
SAFE_BYTE_GET_AND_INC (val, desc, 1, end);
curr
- = read_and_display_attr_value (0, val,
+ = read_and_display_attr_value (0, val, 0,
curr, end, 0, 0, offset_size,
version, NULL, 0, NULL,
- NULL);
+ NULL, ' ');
if (n != nargs - 1)
printf (",");
}
entry->children ? _("has children") : _("no children"));
for (attr = entry->first_attr; attr; attr = attr->next)
- printf (" %-18s %s\n",
- get_AT_name (attr->attribute),
- get_FORM_name (attr->form));
+ {
+ printf (" %-18s %s",
+ get_AT_name (attr->attribute),
+ get_FORM_name (attr->form));
+ if (attr->form == DW_FORM_implicit_const)
+ printf (": %" BFD_VMA_FMT "d", attr->implicit_const);
+ putchar ('\n');
+ }
}
}
while (start);
display_loc_list (struct dwarf_section *section,
unsigned char **start_ptr,
unsigned int debug_info_entry,
- unsigned long offset,
- unsigned long base_address,
+ dwarf_vma offset,
+ dwarf_vma base_address,
int has_frame_base)
{
unsigned char *start = *start_ptr;
while (1)
{
- unsigned long off = offset + (start - *start_ptr);
+ dwarf_vma off = offset + (start - *start_ptr);
if (start + 2 * pointer_size > section_end)
{
warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
- offset);
+ (unsigned long) offset);
break;
}
- printf (" %8.8lx ", off);
+ printf (" %8.8lx ", (unsigned long) off);
SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end);
SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end);
if (start + 2 > section_end)
{
warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
- offset);
+ (unsigned long) offset);
break;
}
if (start + length > section_end)
{
warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
- offset);
+ (unsigned long) offset);
+ break;
+ }
+
+ print_dwarf_vma (begin + base_address, pointer_size);
+ print_dwarf_vma (end + base_address, pointer_size);
+
+ putchar ('(');
+ need_frame_base = decode_location_expression (start,
+ pointer_size,
+ offset_size,
+ dwarf_version,
+ length,
+ cu_offset, section);
+ putchar (')');
+
+ if (need_frame_base && !has_frame_base)
+ printf (_(" [without DW_AT_frame_base]"));
+
+ if (begin == end)
+ fputs (_(" (start == end)"), stdout);
+ else if (begin > end)
+ fputs (_(" (start > end)"), stdout);
+
+ putchar ('\n');
+
+ start += length;
+ }
+
+ *start_ptr = start;
+}
+
+/* Display a location list from a normal (ie, non-dwo) .debug_loclists section. */
+
+static void
+display_loclists_list (struct dwarf_section *section,
+ unsigned char **start_ptr,
+ unsigned int debug_info_entry,
+ dwarf_vma offset,
+ dwarf_vma base_address,
+ int has_frame_base)
+{
+ unsigned char *start = *start_ptr;
+ unsigned char *section_end = section->start + section->size;
+ unsigned long cu_offset;
+ unsigned int pointer_size;
+ unsigned int offset_size;
+ int dwarf_version;
+ unsigned int bytes_read;
+
+ /* Initialize it due to a false compiler warning. */
+ dwarf_vma begin = -1;
+ dwarf_vma end = -1;
+ dwarf_vma length;
+ int need_frame_base;
+
+ if (debug_info_entry >= num_debug_info_entries)
+ {
+ warn (_("No debug information available for "
+ "loclists lists of entry: %u\n"),
+ debug_info_entry);
+ return;
+ }
+
+ cu_offset = debug_information [debug_info_entry].cu_offset;
+ pointer_size = debug_information [debug_info_entry].pointer_size;
+ offset_size = debug_information [debug_info_entry].offset_size;
+ dwarf_version = debug_information [debug_info_entry].dwarf_version;
+
+ if (pointer_size < 2 || pointer_size > 8)
+ {
+ warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
+ pointer_size, debug_info_entry);
+ return;
+ }
+
+ while (1)
+ {
+ dwarf_vma off = offset + (start - *start_ptr);
+ enum dwarf_location_list_entry_type llet;
+
+ if (start + 1 > section_end)
+ {
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ (unsigned long) offset);
+ break;
+ }
+
+ printf (" %8.8lx ", (unsigned long) off);
+
+ SAFE_BYTE_GET_AND_INC (llet, start, 1, section_end);
+
+ switch (llet)
+ {
+ case DW_LLE_end_of_list:
+ printf (_("<End of list>\n"));
+ break;
+ case DW_LLE_offset_pair:
+ begin = read_uleb128 (start, &bytes_read, section_end);
+ start += bytes_read;
+ end = read_uleb128 (start, &bytes_read, section_end);
+ start += bytes_read;
+ break;
+ case DW_LLE_base_address:
+ SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size,
+ section_end);
+ print_dwarf_vma (base_address, pointer_size);
+ printf (_("(base address)\n"));
break;
+ default:
+ error (_("Invalid location list entry type %d\n"), llet);
+ return;
}
+ if (llet == DW_LLE_end_of_list)
+ break;
+ if (llet != DW_LLE_offset_pair)
+ continue;
+
+ if (start + 2 > section_end)
+ {
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ (unsigned long) offset);
+ break;
+ }
+
+ length = read_uleb128 (start, &bytes_read, section_end);
+ start += bytes_read;
print_dwarf_vma (begin + base_address, pointer_size);
print_dwarf_vma (end + base_address, pointer_size);
display_loc_list_dwo (struct dwarf_section *section,
unsigned char **start_ptr,
unsigned int debug_info_entry,
- unsigned long offset,
+ dwarf_vma offset,
int has_frame_base)
{
unsigned char *start = *start_ptr;
while (1)
{
- printf (" %8.8lx ", offset + (start - *start_ptr));
+ printf (" %8.8lx ", (unsigned long) (offset + (start - *start_ptr)));
if (start >= section_end)
{
warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
- offset);
+ (unsigned long) offset);
break;
}
if (start + 2 > section_end)
{
warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
- offset);
+ (unsigned long) offset);
break;
}
if (start + length > section_end)
{
warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
- offset);
+ (unsigned long) offset);
break;
}
unsigned int *array = NULL;
const char *suffix = strrchr (section->name, '.');
int is_dwo = 0;
+ int is_loclists = strstr (section->name, "debug_loclists") != NULL;
+ dwarf_vma expected_start = 0;
if (suffix && strcmp (suffix, ".dwo") == 0)
is_dwo = 1;
return 0;
}
+ if (is_loclists)
+ {
+ unsigned char *hdrptr = section_begin;
+ dwarf_vma ll_length;
+ unsigned short ll_version;
+ unsigned char *end = section_begin + section->size;
+ unsigned char address_size, segment_selector_size;
+ uint32_t offset_entry_count;
+
+ SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 4, end);
+ if (ll_length == 0xffffffff)
+ SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 8, end);
+
+ SAFE_BYTE_GET_AND_INC (ll_version, hdrptr, 2, end);
+ if (ll_version != 5)
+ {
+ warn (_("The %s section contains corrupt or "
+ "unsupported version number: %d.\n"),
+ section->name, ll_version);
+ return 0;
+ }
+
+ SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end);
+
+ SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end);
+ if (segment_selector_size != 0)
+ {
+ warn (_("The %s section contains "
+ "unsupported segment selector size: %d.\n"),
+ section->name, segment_selector_size);
+ return 0;
+ }
+
+ SAFE_BYTE_GET_AND_INC (offset_entry_count, hdrptr, 4, end);
+ if (offset_entry_count != 0)
+ {
+ warn (_("The %s section contains "
+ "unsupported offset entry count: %d.\n"),
+ section->name, offset_entry_count);
+ return 0;
+ }
+
+ expected_start = hdrptr - section_begin;
+ }
+
if (load_debug_info (file) == 0)
{
warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
error (_("No location lists in .debug_info section!\n"));
if (debug_information [first].num_loc_offsets > 0
- && debug_information [first].loc_offsets [0] != 0)
+ && debug_information [first].loc_offsets [0] != expected_start)
warn (_("Location lists in %s section start at 0x%s\n"),
section->name,
dwarf_vmatoa ("x", debug_information [first].loc_offsets [0]));
seen_first_offset = 0;
for (i = first; i < num_debug_info_entries; i++)
{
- unsigned long offset;
- unsigned long base_address;
+ dwarf_vma offset;
+ dwarf_vma base_address;
unsigned int k;
int has_frame_base;
if (offset >= bytes)
{
warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"),
- offset);
+ (unsigned long) offset);
continue;
}
- if (is_dwo)
- display_loc_list_dwo (section, &start, i, offset, has_frame_base);
+ if (!is_loclists)
+ {
+ if (is_dwo)
+ display_loc_list_dwo (section, &start, i, offset,
+ has_frame_base);
+ else
+ display_loc_list (section, &start, i, offset, base_address,
+ has_frame_base);
+ }
else
- display_loc_list (section, &start, i, offset, base_address,
- has_frame_base);
+ {
+ if (is_dwo)
+ warn (_("DWO is not yet supported.\n"));
+ else
+ display_loclists_list (section, &start, i, offset, base_address,
+ has_frame_base);
+ }
}
}
struct range_entry
{
/* The debug_information[x].range_lists[y] value. */
- unsigned long ranges_offset;
+ dwarf_vma ranges_offset;
/* Original debug_information to find parameters of the data. */
debug_info *debug_info_p;
{
const struct range_entry *a_re = (const struct range_entry *) ap;
const struct range_entry *b_re = (const struct range_entry *) bp;
- const unsigned long a = a_re->ranges_offset;
- const unsigned long b = b_re->ranges_offset;
+ const dwarf_vma a = a_re->ranges_offset;
+ const dwarf_vma b = b_re->ranges_offset;
return (a > b) - (b > a);
}
+static void
+display_debug_ranges_list (unsigned char *start, unsigned char *finish,
+ unsigned int pointer_size, unsigned long offset,
+ unsigned long base_address)
+{
+ while (start < finish)
+ {
+ dwarf_vma begin;
+ dwarf_vma end;
+
+ SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
+ if (start >= finish)
+ break;
+ SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish);
+
+ printf (" %8.8lx ", offset);
+
+ if (begin == 0 && end == 0)
+ {
+ printf (_("<End of list>\n"));
+ break;
+ }
+
+ /* Check base address specifiers. */
+ if (is_max_address (begin, pointer_size)
+ && !is_max_address (end, pointer_size))
+ {
+ base_address = end;
+ print_dwarf_vma (begin, pointer_size);
+ print_dwarf_vma (end, pointer_size);
+ printf ("(base address)\n");
+ continue;
+ }
+
+ print_dwarf_vma (begin + base_address, pointer_size);
+ print_dwarf_vma (end + base_address, pointer_size);
+
+ if (begin == end)
+ fputs (_("(start == end)"), stdout);
+ else if (begin > end)
+ fputs (_("(start > end)"), stdout);
+
+ putchar ('\n');
+ }
+}
+
+static void
+display_debug_rnglists_list (unsigned char *start, unsigned char *finish,
+ unsigned int pointer_size, unsigned long offset,
+ unsigned long base_address)
+{
+ unsigned char *next = start;
+
+ while (1)
+ {
+ unsigned long off = offset + (start - next);
+ enum dwarf_range_list_entry rlet;
+ /* Initialize it due to a false compiler warning. */
+ dwarf_vma begin = -1, length, end = -1;
+ unsigned int bytes_read;
+
+ if (start + 1 > finish)
+ {
+ warn (_("Range list starting at offset 0x%lx is not terminated.\n"),
+ offset);
+ break;
+ }
+
+ printf (" %8.8lx ", off);
+
+ SAFE_BYTE_GET_AND_INC (rlet, start, 1, finish);
+
+ switch (rlet)
+ {
+ case DW_RLE_end_of_list:
+ printf (_("<End of list>\n"));
+ break;
+ case DW_RLE_base_address:
+ SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, finish);
+ print_dwarf_vma (base_address, pointer_size);
+ printf (_("(base address)\n"));
+ break;
+ case DW_RLE_start_length:
+ SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
+ length = read_uleb128 (start, &bytes_read, finish);
+ start += bytes_read;
+ end = begin + length;
+ break;
+ case DW_RLE_offset_pair:
+ begin = read_uleb128 (start, &bytes_read, finish);
+ start += bytes_read;
+ end = read_uleb128 (start, &bytes_read, finish);
+ start += bytes_read;
+ break;
+ case DW_RLE_start_end:
+ SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
+ SAFE_BYTE_GET_AND_INC (end, start, pointer_size, finish);
+ break;
+ default:
+ error (_("Invalid range list entry type %d\n"), rlet);
+ rlet = DW_RLE_end_of_list;
+ break;
+ }
+ if (rlet == DW_RLE_end_of_list)
+ break;
+ if (rlet == DW_RLE_base_address)
+ continue;
+
+ print_dwarf_vma (begin + base_address, pointer_size);
+ print_dwarf_vma (end + base_address, pointer_size);
+
+ if (begin == end)
+ fputs (_("(start == end)"), stdout);
+ else if (begin > end)
+ fputs (_("(start > end)"), stdout);
+
+ putchar ('\n');
+ }
+}
+
static int
display_debug_ranges (struct dwarf_section *section,
void *file ATTRIBUTE_UNUSED)
unsigned char *finish = start + bytes;
unsigned int num_range_list, i;
struct range_entry *range_entries, *range_entry_fill;
+ int is_rnglists = strstr (section->name, "debug_rnglists") != NULL;
+ /* Initialize it due to a false compiler warning. */
+ unsigned char address_size = 0;
if (bytes == 0)
{
return 0;
}
+ if (is_rnglists)
+ {
+ dwarf_vma initial_length;
+ unsigned int initial_length_size;
+ unsigned char segment_selector_size;
+ unsigned int offset_size, offset_entry_count;
+ unsigned short version;
+
+ /* Get and check the length of the block. */
+ SAFE_BYTE_GET_AND_INC (initial_length, start, 4, finish);
+
+ if (initial_length == 0xffffffff)
+ {
+ /* This section is 64-bit DWARF 3. */
+ SAFE_BYTE_GET_AND_INC (initial_length, start, 8, finish);
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+
+ if (initial_length + initial_length_size > section->size)
+ {
+ /* If the length field has a relocation against it, then we should
+ not complain if it is inaccurate (and probably negative).
+ It is copied from .debug_line handling code. */
+ if (reloc_at (section, (start - section->start) - offset_size))
+ {
+ initial_length = (finish - start) - initial_length_size;
+ }
+ else
+ {
+ warn (_("The length field (0x%lx) in the debug_rnglists header is wrong - the section is too small\n"),
+ (long) initial_length);
+ return 0;
+ }
+ }
+
+ /* Get and check the version number. */
+ SAFE_BYTE_GET_AND_INC (version, start, 2, finish);
+
+ if (version != 5)
+ {
+ warn (_("Only DWARF version 5 debug_rnglists info "
+ "is currently supported.\n"));
+ return 0;
+ }
+
+ SAFE_BYTE_GET_AND_INC (address_size, start, 1, finish);
+
+ SAFE_BYTE_GET_AND_INC (segment_selector_size, start, 1, finish);
+ if (segment_selector_size != 0)
+ {
+ warn (_("The %s section contains "
+ "unsupported segment selector size: %d.\n"),
+ section->name, segment_selector_size);
+ return 0;
+ }
+
+ SAFE_BYTE_GET_AND_INC (offset_entry_count, start, 4, finish);
+ if (offset_entry_count != 0)
+ {
+ warn (_("The %s section contains "
+ "unsupported offset entry count: %u.\n"),
+ section->name, offset_entry_count);
+ return 0;
+ }
+ }
+
if (load_debug_info (file) == 0)
{
warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
if (dwarf_check != 0 && range_entries[0].ranges_offset != 0)
warn (_("Range lists in %s section start at 0x%lx\n"),
- section->name, range_entries[0].ranges_offset);
+ section->name, (unsigned long) range_entries[0].ranges_offset);
printf (_("Contents of the %s section:\n\n"), section->name);
printf (_(" Offset Begin End\n"));
struct range_entry *range_entry = &range_entries[i];
debug_info *debug_info_p = range_entry->debug_info_p;
unsigned int pointer_size;
- unsigned long offset;
+ dwarf_vma offset;
unsigned char *next;
- unsigned long base_address;
+ dwarf_vma base_address;
- pointer_size = debug_info_p->pointer_size;
+ pointer_size = (is_rnglists ? address_size : debug_info_p->pointer_size);
offset = range_entry->ranges_offset;
next = section_begin + offset;
base_address = debug_info_p->base_address;
if (pointer_size < 2 || pointer_size > 8)
{
warn (_("Corrupt pointer size (%d) in debug entry at offset %8.8lx\n"),
- pointer_size, offset);
+ pointer_size, (unsigned long) offset);
continue;
}
start = next;
last_start = next;
- while (start < finish)
- {
- dwarf_vma begin;
- dwarf_vma end;
-
- SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
- if (start >= finish)
- break;
- SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish);
-
- printf (" %8.8lx ", offset);
-
- if (begin == 0 && end == 0)
- {
- printf (_("<End of list>\n"));
- break;
- }
-
- /* Check base address specifiers. */
- if (is_max_address (begin, pointer_size)
- && !is_max_address (end, pointer_size))
- {
- base_address = end;
- print_dwarf_vma (begin, pointer_size);
- print_dwarf_vma (end, pointer_size);
- printf ("(base address)\n");
- continue;
- }
-
- print_dwarf_vma (begin + base_address, pointer_size);
- print_dwarf_vma (end + base_address, pointer_size);
-
- if (begin == end)
- fputs (_("(start == end)"), stdout);
- else if (begin > end)
- fputs (_("(start > end)"), stdout);
-
- putchar ('\n');
- }
+ (is_rnglists ? display_debug_rnglists_list : display_debug_ranges_list)
+ (start, finish, pointer_size, offset, base_address);
}
putchar ('\n');
regname (unsigned int regno, int row)
{
static char reg[64];
+
if (dwarf_regnames
&& regno < dwarf_regnames_count
&& dwarf_regnames [regno] != NULL)
}
#define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end)
-#define LEB() read_uleb128 (start, & length_return, end); start += length_return
-#define SLEB() read_sleb128 (start, & length_return, end); start += length_return
static unsigned char *
read_cie (unsigned char *start, unsigned char *end,
fc->ptr_size = eh_addr_size;
fc->segment_size = 0;
}
- fc->code_factor = LEB ();
- fc->data_factor = SLEB ();
+ READ_ULEB (fc->code_factor);
+ READ_SLEB (fc->data_factor);
if (version == 1)
{
GET (fc->ra, 1);
}
else
{
- fc->ra = LEB ();
+ READ_ULEB (fc->ra);
}
if (fc->augmentation[0] == 'z')
{
- augmentation_data_len = LEB ();
+ READ_ULEB (augmentation_data_len);
augmentation_data = start;
start += augmentation_data_len;
/* PR 17512: file: 11042-2589-0.004. */
if (start > end)
{
- warn (_("Augmentation data too long: 0x%lx\n"), augmentation_data_len);
+ warn (_("Augmentation data too long: %#lx, expected at most %#lx\n"),
+ augmentation_data_len, (long)((end - start) + augmentation_data_len));
return end;
}
}
if (cie->augmentation[0] == 'z')
{
- augmentation_data_len = LEB ();
+ READ_ULEB (augmentation_data_len);
augmentation_data = start;
start += augmentation_data_len;
/* PR 17512: file: 722-8446-0.004. */
case DW_CFA_advance_loc:
break;
case DW_CFA_offset:
- LEB ();
+ SKIP_ULEB ();
if (frame_need_space (fc, opa) >= 0)
fc->col_type[opa] = DW_CFA_undefined;
break;
break;
case DW_CFA_offset_extended:
case DW_CFA_val_offset:
- reg = LEB (); LEB ();
+ READ_ULEB (reg);
+ SKIP_ULEB ();
if (frame_need_space (fc, reg) >= 0)
fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_restore_extended:
- reg = LEB ();
+ READ_ULEB (reg);
if (frame_need_space (fc, reg) >= 0)
fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_undefined:
- reg = LEB ();
+ READ_ULEB (reg);
if (frame_need_space (fc, reg) >= 0)
fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_same_value:
- reg = LEB ();
+ READ_ULEB (reg);
if (frame_need_space (fc, reg) >= 0)
fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_register:
- reg = LEB (); LEB ();
+ READ_ULEB (reg);
+ SKIP_ULEB ();
if (frame_need_space (fc, reg) >= 0)
fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_def_cfa:
- LEB (); LEB ();
+ SKIP_ULEB ();
+ SKIP_ULEB ();
break;
case DW_CFA_def_cfa_register:
- LEB ();
+ SKIP_ULEB ();
break;
case DW_CFA_def_cfa_offset:
- LEB ();
+ SKIP_ULEB ();
break;
case DW_CFA_def_cfa_expression:
- temp = LEB ();
+ READ_ULEB (temp);
new_start = start + temp;
if (new_start < start)
{
break;
case DW_CFA_expression:
case DW_CFA_val_expression:
- reg = LEB ();
- temp = LEB ();
+ READ_ULEB (reg);
+ READ_ULEB (temp);
new_start = start + temp;
if (new_start < start)
{
break;
case DW_CFA_offset_extended_sf:
case DW_CFA_val_offset_sf:
- reg = LEB (); SLEB ();
+ READ_ULEB (reg);
+ SKIP_SLEB ();
if (frame_need_space (fc, reg) >= 0)
fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_def_cfa_sf:
- LEB (); SLEB ();
+ SKIP_ULEB ();
+ SKIP_SLEB ();
break;
case DW_CFA_def_cfa_offset_sf:
- SLEB ();
+ SKIP_SLEB ();
break;
case DW_CFA_MIPS_advance_loc8:
start += 8;
break;
case DW_CFA_GNU_args_size:
- LEB ();
+ SKIP_ULEB ();
break;
case DW_CFA_GNU_negative_offset_extended:
- reg = LEB (); LEB ();
+ READ_ULEB (reg);
+ SKIP_ULEB ();
if (frame_need_space (fc, reg) >= 0)
fc->col_type[reg] = DW_CFA_undefined;
break;
{
unsigned char * tmp;
unsigned op, opa;
- unsigned long ul, reg, roffs;
- dwarf_vma l;
+ unsigned long ul, roffs;
+ /* Note: It is tempting to use an unsigned long for 'reg' but there
+ are various functions, notably frame_space_needed() that assume that
+ reg is an unsigned int. */
+ unsigned int reg;
+ dwarf_signed_vma l;
dwarf_vma ofs;
dwarf_vma vma;
const char *reg_prefix = "";
break;
case DW_CFA_offset:
- roffs = LEB ();
+ READ_ULEB (roffs);
if (opa >= (unsigned int) fc->ncols)
reg_prefix = bad_reg;
if (! do_debug_frames_interp || *reg_prefix != '\0')
break;
case DW_CFA_offset_extended:
- reg = LEB ();
- roffs = LEB ();
+ READ_ULEB (reg);
+ READ_ULEB (roffs);
if (reg >= (unsigned int) fc->ncols)
reg_prefix = bad_reg;
if (! do_debug_frames_interp || *reg_prefix != '\0')
break;
case DW_CFA_val_offset:
- reg = LEB ();
- roffs = LEB ();
+ READ_ULEB (reg);
+ READ_ULEB (roffs);
if (reg >= (unsigned int) fc->ncols)
reg_prefix = bad_reg;
if (! do_debug_frames_interp || *reg_prefix != '\0')
break;
case DW_CFA_restore_extended:
- reg = LEB ();
+ READ_ULEB (reg);
if (reg >= (unsigned int) fc->ncols)
reg_prefix = bad_reg;
if (! do_debug_frames_interp || *reg_prefix != '\0')
break;
case DW_CFA_undefined:
- reg = LEB ();
+ READ_ULEB (reg);
if (reg >= (unsigned int) fc->ncols)
reg_prefix = bad_reg;
if (! do_debug_frames_interp || *reg_prefix != '\0')
break;
case DW_CFA_same_value:
- reg = LEB ();
+ READ_ULEB (reg);
if (reg >= (unsigned int) fc->ncols)
reg_prefix = bad_reg;
if (! do_debug_frames_interp || *reg_prefix != '\0')
break;
case DW_CFA_register:
- reg = LEB ();
- roffs = LEB ();
+ READ_ULEB (reg);
+ READ_ULEB (roffs);
if (reg >= (unsigned int) fc->ncols)
reg_prefix = bad_reg;
if (! do_debug_frames_interp || *reg_prefix != '\0')
break;
case DW_CFA_def_cfa:
- fc->cfa_reg = LEB ();
- fc->cfa_offset = LEB ();
+ READ_SLEB (fc->cfa_reg);
+ READ_ULEB (fc->cfa_offset);
fc->cfa_exp = 0;
if (! do_debug_frames_interp)
printf (" DW_CFA_def_cfa: %s ofs %d\n",
break;
case DW_CFA_def_cfa_register:
- fc->cfa_reg = LEB ();
+ READ_SLEB (fc->cfa_reg);
fc->cfa_exp = 0;
if (! do_debug_frames_interp)
printf (" DW_CFA_def_cfa_register: %s\n",
break;
case DW_CFA_def_cfa_offset:
- fc->cfa_offset = LEB ();
+ READ_ULEB (fc->cfa_offset);
if (! do_debug_frames_interp)
printf (" DW_CFA_def_cfa_offset: %d\n", (int) fc->cfa_offset);
break;
break;
case DW_CFA_def_cfa_expression:
- ul = LEB ();
+ READ_ULEB (ul);
if (start >= block_end || ul > (unsigned long) (block_end - start))
{
printf (_(" DW_CFA_def_cfa_expression: <corrupt len %lu>\n"), ul);
break;
case DW_CFA_expression:
- reg = LEB ();
- ul = LEB ();
+ READ_ULEB (reg);
+ READ_ULEB (ul);
if (reg >= (unsigned int) fc->ncols)
reg_prefix = bad_reg;
/* PR 17512: file: 069-133014-0.006. */
break;
case DW_CFA_val_expression:
- reg = LEB ();
- ul = LEB ();
+ READ_ULEB (reg);
+ READ_ULEB (ul);
if (reg >= (unsigned int) fc->ncols)
reg_prefix = bad_reg;
tmp = start + ul;
break;
case DW_CFA_offset_extended_sf:
- reg = LEB ();
- l = SLEB ();
+ READ_ULEB (reg);
+ READ_SLEB (l);
if (frame_need_space (fc, reg) < 0)
reg_prefix = bad_reg;
if (! do_debug_frames_interp || *reg_prefix != '\0')
break;
case DW_CFA_val_offset_sf:
- reg = LEB ();
- l = SLEB ();
+ READ_ULEB (reg);
+ READ_SLEB (l);
if (frame_need_space (fc, reg) < 0)
reg_prefix = bad_reg;
if (! do_debug_frames_interp || *reg_prefix != '\0')
break;
case DW_CFA_def_cfa_sf:
- fc->cfa_reg = LEB ();
- fc->cfa_offset = SLEB ();
+ READ_SLEB (fc->cfa_reg);
+ READ_ULEB (fc->cfa_offset);
fc->cfa_offset = fc->cfa_offset * fc->data_factor;
fc->cfa_exp = 0;
if (! do_debug_frames_interp)
break;
case DW_CFA_def_cfa_offset_sf:
- fc->cfa_offset = SLEB ();
+ READ_ULEB (fc->cfa_offset);
fc->cfa_offset *= fc->data_factor;
if (! do_debug_frames_interp)
printf (" DW_CFA_def_cfa_offset_sf: %d\n", (int) fc->cfa_offset);
break;
case DW_CFA_GNU_args_size:
- ul = LEB ();
+ READ_ULEB (ul);
if (! do_debug_frames_interp)
printf (" DW_CFA_GNU_args_size: %ld\n", ul);
break;
case DW_CFA_GNU_negative_offset_extended:
- reg = LEB ();
- l = - LEB ();
+ READ_ULEB (reg);
+ READ_SLEB (l);
+ l = - l;
if (frame_need_space (fc, reg) < 0)
reg_prefix = bad_reg;
if (! do_debug_frames_interp || *reg_prefix != '\0')
}
#undef GET
-#undef LEB
-#undef SLEB
+
+static int
+display_debug_names (struct dwarf_section *section, void *file)
+{
+ unsigned char *hdrptr = section->start;
+ dwarf_vma unit_length;
+ unsigned char *unit_start;
+ const unsigned char *const section_end = section->start + section->size;
+ unsigned char *unit_end;
+
+ printf (_("Contents of the %s section:\n"), section->name);
+
+ load_debug_section (str, file);
+
+ for (; hdrptr < section_end; hdrptr = unit_end)
+ {
+ unsigned int offset_size;
+ uint16_t dwarf_version, padding;
+ uint32_t comp_unit_count, local_type_unit_count, foreign_type_unit_count;
+ uint32_t bucket_count, name_count, abbrev_table_size;
+ uint32_t augmentation_string_size;
+ unsigned int i;
+
+ unit_start = hdrptr;
+
+ /* Get and check the length of the block. */
+ SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 4, section_end);
+
+ if (unit_length == 0xffffffff)
+ {
+ /* This section is 64-bit DWARF. */
+ SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 8, section_end);
+ offset_size = 8;
+ }
+ else
+ offset_size = 4;
+ unit_end = hdrptr + unit_length;
+
+ if ((hdrptr - section->start) + unit_length > section->size)
+ {
+ warn (_("The length field (0x%lx) for unit 0x%lx in the debug_names "
+ "header is wrong - the section is too small\n"),
+ (long) unit_length, (long) (unit_start - section->start));
+ return 0;
+ }
+
+ /* Get and check the version number. */
+ SAFE_BYTE_GET_AND_INC (dwarf_version, hdrptr, 2, unit_end);
+ printf (_("Version %ld\n"), (long) dwarf_version);
+
+ /* Prior versions did not exist, and future versions may not be
+ backwards compatible. */
+ if (dwarf_version != 5)
+ {
+ warn (_("Only DWARF version 5 .debug_names "
+ "is currently supported.\n"));
+ return 0;
+ }
+
+ SAFE_BYTE_GET_AND_INC (padding, hdrptr, 2, unit_end);
+ if (padding != 0)
+ warn (_("Padding field of .debug_names must be 0 (found 0x%x)\n"),
+ padding);
+
+ SAFE_BYTE_GET_AND_INC (comp_unit_count, hdrptr, 4, unit_end);
+ if (comp_unit_count == 0)
+ warn (_("Compilation unit count must be >= 1 in .debug_names\n"));
+
+ SAFE_BYTE_GET_AND_INC (local_type_unit_count, hdrptr, 4, unit_end);
+ SAFE_BYTE_GET_AND_INC (foreign_type_unit_count, hdrptr, 4, unit_end);
+ SAFE_BYTE_GET_AND_INC (bucket_count, hdrptr, 4, unit_end);
+ SAFE_BYTE_GET_AND_INC (name_count, hdrptr, 4, unit_end);
+ SAFE_BYTE_GET_AND_INC (abbrev_table_size, hdrptr, 4, unit_end);
+
+ SAFE_BYTE_GET_AND_INC (augmentation_string_size, hdrptr, 4, unit_end);
+ if (augmentation_string_size % 4 != 0)
+ {
+ warn (_("Augmentation string length %u must be rounded up "
+ "to a multiple of 4 in .debug_names.\n"),
+ augmentation_string_size);
+ augmentation_string_size += (-augmentation_string_size) & 3;
+ }
+ printf (_("Augmentation string:"));
+ for (i = 0; i < augmentation_string_size; i++)
+ {
+ unsigned char uc;
+
+ SAFE_BYTE_GET_AND_INC (uc, hdrptr, 1, unit_end);
+ printf (" %02x", uc);
+ }
+ putchar ('\n');
+ putchar ('\n');
+
+ printf (_("CU table:\n"));
+ for (i = 0; i < comp_unit_count; i++)
+ {
+ uint64_t cu_offset;
+
+ SAFE_BYTE_GET_AND_INC (cu_offset, hdrptr, offset_size, unit_end);
+ printf (_("[%3u] 0x%lx\n"), i, (unsigned long) cu_offset);
+ }
+ putchar ('\n');
+
+ printf (_("TU table:\n"));
+ for (i = 0; i < local_type_unit_count; i++)
+ {
+ uint64_t tu_offset;
+
+ SAFE_BYTE_GET_AND_INC (tu_offset, hdrptr, offset_size, unit_end);
+ printf (_("[%3u] 0x%lx\n"), i, (unsigned long) tu_offset);
+ }
+ putchar ('\n');
+
+ printf (_("Foreign TU table:\n"));
+ for (i = 0; i < foreign_type_unit_count; i++)
+ {
+ uint64_t signature;
+
+ SAFE_BYTE_GET_AND_INC (signature, hdrptr, 8, unit_end);
+ printf (_("[%3u] "), i);
+ print_dwarf_vma (signature, 8);
+ putchar ('\n');
+ }
+ putchar ('\n');
+
+ const uint32_t *const hash_table_buckets = (uint32_t *) hdrptr;
+ hdrptr += bucket_count * sizeof (uint32_t);
+ const uint32_t *const hash_table_hashes = (uint32_t *) hdrptr;
+ hdrptr += name_count * sizeof (uint32_t);
+ unsigned char *const name_table_string_offsets = hdrptr;
+ hdrptr += name_count * offset_size;
+ unsigned char *const name_table_entry_offsets = hdrptr;
+ hdrptr += name_count * offset_size;
+ unsigned char *const abbrev_table = hdrptr;
+ hdrptr += abbrev_table_size;
+ const unsigned char *const abbrev_table_end = hdrptr;
+ unsigned char *const entry_pool = hdrptr;
+ if (hdrptr > unit_end)
+ {
+ warn (_("Entry pool offset (0x%lx) exceeds unit size 0x%lx "
+ "for unit 0x%lx in the debug_names\n"),
+ (long) (hdrptr - section->start),
+ (long) (unit_end - section->start),
+ (long) (unit_start - section->start));
+ return 0;
+ }
+
+ size_t buckets_filled = 0;
+ size_t bucketi;
+ for (bucketi = 0; bucketi < bucket_count; bucketi++)
+ {
+ const uint32_t bucket = hash_table_buckets[bucketi];
+
+ if (bucket != 0)
+ ++buckets_filled;
+ }
+ printf (_("Used %zu of %lu buckets.\n"), buckets_filled,
+ (unsigned long) bucket_count);
+
+ uint32_t hash_prev;
+ size_t hash_clash_count = 0;
+ size_t longest_clash = 0;
+ size_t this_length = 0;
+ size_t hashi;
+ for (hashi = 0; hashi < name_count; hashi++)
+ {
+ const uint32_t hash_this = hash_table_hashes[hashi];
+
+ if (hashi > 0)
+ {
+ if (hash_prev % bucket_count == hash_this % bucket_count)
+ {
+ ++hash_clash_count;
+ ++this_length;
+ longest_clash = MAX (longest_clash, this_length);
+ }
+ else
+ this_length = 0;
+ }
+ hash_prev = hash_this;
+ }
+ printf (_("Out of %lu items there are %zu bucket clashes"
+ " (longest of %zu entries).\n"),
+ (unsigned long) name_count, hash_clash_count, longest_clash);
+ assert (name_count == buckets_filled + hash_clash_count);
+
+ struct abbrev_lookup_entry
+ {
+ dwarf_vma abbrev_tag;
+ unsigned char *abbrev_lookup_ptr;
+ };
+ struct abbrev_lookup_entry *abbrev_lookup = NULL;
+ size_t abbrev_lookup_used = 0;
+ size_t abbrev_lookup_allocated = 0;
+
+ unsigned char *abbrevptr = abbrev_table;
+ for (;;)
+ {
+ unsigned int bytes_read;
+ const dwarf_vma abbrev_tag = read_uleb128 (abbrevptr, &bytes_read,
+ abbrev_table_end);
+ abbrevptr += bytes_read;
+ if (abbrev_tag == 0)
+ break;
+ if (abbrev_lookup_used == abbrev_lookup_allocated)
+ {
+ abbrev_lookup_allocated = MAX (0x100,
+ abbrev_lookup_allocated * 2);
+ abbrev_lookup = xrealloc (abbrev_lookup,
+ (abbrev_lookup_allocated
+ * sizeof (*abbrev_lookup)));
+ }
+ assert (abbrev_lookup_used < abbrev_lookup_allocated);
+ struct abbrev_lookup_entry *entry;
+ for (entry = abbrev_lookup;
+ entry < abbrev_lookup + abbrev_lookup_used;
+ entry++)
+ if (entry->abbrev_tag == abbrev_tag)
+ {
+ warn (_("Duplicate abbreviation tag %lu "
+ "in unit 0x%lx in the debug_names\n"),
+ (long) abbrev_tag, (long) (unit_start - section->start));
+ break;
+ }
+ entry = &abbrev_lookup[abbrev_lookup_used++];
+ entry->abbrev_tag = abbrev_tag;
+ entry->abbrev_lookup_ptr = abbrevptr;
+
+ /* Skip DWARF tag. */
+ read_uleb128 (abbrevptr, &bytes_read, abbrev_table_end);
+ abbrevptr += bytes_read;
+ for (;;)
+ {
+ const dwarf_vma xindex = read_uleb128 (abbrevptr,
+ &bytes_read,
+ abbrev_table_end);
+ abbrevptr += bytes_read;
+ const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read,
+ abbrev_table_end);
+ abbrevptr += bytes_read;
+ if (xindex == 0 && form == 0)
+ break;
+ }
+ }
+
+ printf (_("\nSymbol table:\n"));
+ uint32_t namei;
+ for (namei = 0; namei < name_count; ++namei)
+ {
+ uint64_t string_offset, entry_offset;
+
+ SAFE_BYTE_GET (string_offset,
+ name_table_string_offsets + namei * offset_size,
+ offset_size, unit_end);
+ SAFE_BYTE_GET (entry_offset,
+ name_table_entry_offsets + namei * offset_size,
+ offset_size, unit_end);
+
+ printf ("[%3u] #%08x %s:", namei, hash_table_hashes[namei],
+ fetch_indirect_string (string_offset));
+
+ unsigned char *entryptr = entry_pool + entry_offset;
+
+ // We need to scan first whether there is a single or multiple
+ // entries. TAGNO is -2 for the first entry, it is -1 for the
+ // initial tag read of the second entry, then it becomes 0 for the
+ // first entry for real printing etc.
+ int tagno = -2;
+ /* Initialize it due to a false compiler warning. */
+ dwarf_vma second_abbrev_tag = -1;
+ for (;;)
+ {
+ unsigned int bytes_read;
+ const dwarf_vma abbrev_tag = read_uleb128 (entryptr, &bytes_read,
+ unit_end);
+ entryptr += bytes_read;
+ if (tagno == -1)
+ {
+ second_abbrev_tag = abbrev_tag;
+ tagno = 0;
+ entryptr = entry_pool + entry_offset;
+ continue;
+ }
+ if (abbrev_tag == 0)
+ break;
+ if (tagno >= 0)
+ printf ("%s<%lu>",
+ (tagno == 0 && second_abbrev_tag == 0 ? " " : "\n\t"),
+ (unsigned long) abbrev_tag);
+
+ const struct abbrev_lookup_entry *entry;
+ for (entry = abbrev_lookup;
+ entry < abbrev_lookup + abbrev_lookup_used;
+ entry++)
+ if (entry->abbrev_tag == abbrev_tag)
+ break;
+ if (entry >= abbrev_lookup + abbrev_lookup_used)
+ {
+ warn (_("Undefined abbreviation tag %lu "
+ "in unit 0x%lx in the debug_names\n"),
+ (long) abbrev_tag,
+ (long) (unit_start - section->start));
+ break;
+ }
+ abbrevptr = entry->abbrev_lookup_ptr;
+ const dwarf_vma dwarf_tag = read_uleb128 (abbrevptr, &bytes_read,
+ abbrev_table_end);
+ abbrevptr += bytes_read;
+ if (tagno >= 0)
+ printf (" %s", get_TAG_name (dwarf_tag));
+ for (;;)
+ {
+ const dwarf_vma xindex = read_uleb128 (abbrevptr,
+ &bytes_read,
+ abbrev_table_end);
+ abbrevptr += bytes_read;
+ const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read,
+ abbrev_table_end);
+ abbrevptr += bytes_read;
+ if (xindex == 0 && form == 0)
+ break;
+
+ if (tagno >= 0)
+ printf (" %s", get_IDX_name (xindex));
+ entryptr = read_and_display_attr_value (0, form, 0, entryptr,
+ unit_end, 0, 0,
+ offset_size,
+ dwarf_version, NULL,
+ (tagno < 0), NULL,
+ NULL, '=');
+ }
+ ++tagno;
+ }
+ if (tagno <= 0)
+ printf (_(" <no entries>"));
+ putchar ('\n');
+ }
+
+ free (abbrev_lookup);
+ }
+
+ return 1;
+}
static int
display_gdb_index (struct dwarf_section *section,
symbol_table = start + symbol_table_offset;
constant_pool = start + constant_pool_offset;
- if (address_table + address_table_size * (2 + 8 + 4) > section->start + section->size)
+ if (address_table + address_table_size > section->start + section->size)
{
warn (_("Address table extends beyond end of section.\n"));
return 0;
section sets that we can use to associate a .debug_info.dwo section
with its associated .debug_abbrev.dwo section in a .dwp file. */
-static void
+static bfd_boolean
load_cu_tu_indexes (void *file)
{
+ static int cu_tu_indexes_read = -1; /* Tri-state variable. */
+
/* If we have already loaded (or tried to load) the CU and TU indexes
then do not bother to repeat the task. */
- if (cu_tu_indexes_read)
- return;
-
- if (load_debug_section (dwp_cu_index, file))
- process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0);
-
- if (load_debug_section (dwp_tu_index, file))
- process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0);
+ if (cu_tu_indexes_read == -1)
+ {
+ cu_tu_indexes_read = TRUE;
+
+ if (load_debug_section (dwp_cu_index, file))
+ if (! process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0))
+ cu_tu_indexes_read = FALSE;
+
+ if (load_debug_section (dwp_tu_index, file))
+ if (! process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0))
+ cu_tu_indexes_read = FALSE;
+ }
- cu_tu_indexes_read = 1;
+ return (bfd_boolean) cu_tu_indexes_read;
}
/* Find the set of sections that includes section SHNDX. */
{
unsigned int i;
- load_cu_tu_indexes (file);
+ if (! load_cu_tu_indexes (file))
+ return NULL;
/* Find SHNDX in the shndx pool. */
for (i = 0; i < shndx_pool_used; i++)
display_debug_macro, &do_debug_macinfo, TRUE },
{ { ".debug_str", ".zdebug_str", NULL, NULL, 0, 0, 0, NULL, 0, NULL },
display_debug_str, &do_debug_str, FALSE },
+ { { ".debug_line_str", ".zdebug_line_str", NULL, NULL, 0, 0, 0, NULL, 0, NULL },
+ display_debug_str, &do_debug_str, FALSE },
{ { ".debug_loc", ".zdebug_loc", NULL, NULL, 0, 0, 0, NULL, 0, NULL },
display_debug_loc, &do_debug_loc, TRUE },
+ { { ".debug_loclists", ".zdebug_loclists", NULL, NULL, 0, 0, 0, NULL, 0, NULL },
+ display_debug_loc, &do_debug_loc, TRUE },
{ { ".debug_pubtypes", ".zdebug_pubtypes", NULL, NULL, 0, 0, 0, NULL, 0, NULL },
display_debug_pubnames, &do_debug_pubtypes, FALSE },
{ { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NULL, NULL, 0, 0, 0, NULL, 0, NULL },
display_debug_gnu_pubnames, &do_debug_pubtypes, FALSE },
{ { ".debug_ranges", ".zdebug_ranges", NULL, NULL, 0, 0, 0, NULL, 0, NULL },
display_debug_ranges, &do_debug_ranges, TRUE },
+ { { ".debug_rnglists", ".zdebug_rnglists", NULL, NULL, 0, 0, 0, NULL, 0, NULL },
+ display_debug_ranges, &do_debug_ranges, TRUE },
{ { ".debug_static_func", ".zdebug_static_func", NULL, NULL, 0, 0, 0, NULL, 0, NULL },
display_debug_not_supported, NULL, FALSE },
{ { ".debug_static_vars", ".zdebug_static_vars", NULL, NULL, 0, 0, 0, NULL, 0, NULL },
display_debug_not_supported, NULL, FALSE },
{ { ".gdb_index", "", NULL, NULL, 0, 0, 0, NULL, 0, NULL },
display_gdb_index, &do_gdb_index, FALSE },
+ { { ".debug_names", "", NULL, NULL, 0, 0, 0, NULL, 0, NULL },
+ display_debug_names, &do_gdb_index, FALSE },
{ { ".trace_info", "", NULL, NULL, 0, 0, trace_abbrev, NULL, 0, NULL },
display_trace_info, &do_trace_info, TRUE },
{ { ".trace_abbrev", "", NULL, NULL, 0, 0, 0, NULL, 0, NULL },
{ { ".debug_tu_index", "", NULL, NULL, 0, 0, 0, NULL, 0, NULL },
display_cu_index, &do_debug_cu_index, FALSE },
};
+
+/* A static assertion. */
+extern int debug_displays_assert[ARRAY_SIZE (debug_displays) == max ? 1 : -1];
projects / deliverable / binutils-gdb.git / blobdiff