#include "sysdep.h"
#include "libiberty.h"
#include "bfd.h"
+#include "bfd_stdint.h"
#include "bucomm.h"
+#include "elfcomm.h"
#include "elf/common.h"
#include "dwarf2.h"
#include "dwarf.h"
int do_debug_macinfo;
int do_debug_str;
int do_debug_loc;
+int do_gdb_index;
int do_trace_info;
int do_trace_abbrevs;
int do_trace_aranges;
#define FLAG_DEBUG_LINES_RAW 1
#define FLAG_DEBUG_LINES_DECODED 2
-dwarf_vma (*byte_get) (unsigned char *, int);
-
-dwarf_vma
-byte_get_little_endian (unsigned char *field, int size)
-{
- switch (size)
- {
- case 1:
- return *field;
-
- case 2:
- return ((unsigned int) (field[0]))
- | (((unsigned int) (field[1])) << 8);
-
- case 3:
- return ((unsigned long) (field[0]))
- | (((unsigned long) (field[1])) << 8)
- | (((unsigned long) (field[2])) << 16);
-
- case 4:
- return ((unsigned long) (field[0]))
- | (((unsigned long) (field[1])) << 8)
- | (((unsigned long) (field[2])) << 16)
- | (((unsigned long) (field[3])) << 24);
-
- case 8:
- if (sizeof (dwarf_vma) == 8)
- return ((dwarf_vma) (field[0]))
- | (((dwarf_vma) (field[1])) << 8)
- | (((dwarf_vma) (field[2])) << 16)
- | (((dwarf_vma) (field[3])) << 24)
- | (((dwarf_vma) (field[4])) << 32)
- | (((dwarf_vma) (field[5])) << 40)
- | (((dwarf_vma) (field[6])) << 48)
- | (((dwarf_vma) (field[7])) << 56);
- else if (sizeof (dwarf_vma) == 4)
- /* We want to extract data from an 8 byte wide field and
- place it into a 4 byte wide field. Since this is a little
- endian source we can just use the 4 byte extraction code. */
- return ((unsigned long) (field[0]))
- | (((unsigned long) (field[1])) << 8)
- | (((unsigned long) (field[2])) << 16)
- | (((unsigned long) (field[3])) << 24);
-
- default:
- error (_("Unhandled data length: %d\n"), size);
- abort ();
- }
-}
-
-dwarf_vma
-byte_get_big_endian (unsigned char *field, int size)
-{
- switch (size)
- {
- case 1:
- return *field;
-
- case 2:
- return ((unsigned int) (field[1])) | (((int) (field[0])) << 8);
-
- case 3:
- return ((unsigned long) (field[2]))
- | (((unsigned long) (field[1])) << 8)
- | (((unsigned long) (field[0])) << 16);
-
- case 4:
- return ((unsigned long) (field[3]))
- | (((unsigned long) (field[2])) << 8)
- | (((unsigned long) (field[1])) << 16)
- | (((unsigned long) (field[0])) << 24);
-
- case 8:
- if (sizeof (dwarf_vma) == 8)
- return ((dwarf_vma) (field[7]))
- | (((dwarf_vma) (field[6])) << 8)
- | (((dwarf_vma) (field[5])) << 16)
- | (((dwarf_vma) (field[4])) << 24)
- | (((dwarf_vma) (field[3])) << 32)
- | (((dwarf_vma) (field[2])) << 40)
- | (((dwarf_vma) (field[1])) << 48)
- | (((dwarf_vma) (field[0])) << 56);
- else if (sizeof (dwarf_vma) == 4)
- {
- /* Although we are extracing data from an 8 byte wide field,
- we are returning only 4 bytes of data. */
- field += 4;
- return ((unsigned long) (field[3]))
- | (((unsigned long) (field[2])) << 8)
- | (((unsigned long) (field[1])) << 16)
- | (((unsigned long) (field[0])) << 24);
- }
-
- default:
- error (_("Unhandled data length: %d\n"), size);
- abort ();
- }
-}
-
-static dwarf_vma
-byte_get_signed (unsigned char *field, int size)
-{
- dwarf_vma x = byte_get (field, size);
-
- switch (size)
- {
- case 1:
- return (x ^ 0x80) - 0x80;
- case 2:
- return (x ^ 0x8000) - 0x8000;
- case 4:
- return (x ^ 0x80000000) - 0x80000000;
- case 8:
- return x;
- default:
- abort ();
- }
-}
-
static int
size_of_encoded_value (int encoding)
{
}
static dwarf_vma
-get_encoded_value (unsigned char *data, int encoding)
+get_encoded_value (unsigned char *data,
+ int encoding,
+ struct dwarf_section *section)
{
int size = size_of_encoded_value (encoding);
+ dwarf_vma val;
if (encoding & DW_EH_PE_signed)
- return byte_get_signed (data, size);
+ val = byte_get_signed (data, size);
else
- return byte_get (data, size);
+ val = byte_get (data, size);
+
+ if ((encoding & 0x70) == DW_EH_PE_pcrel)
+ val += section->address + (data - section->start);
+ return val;
}
/* Print a dwarf_vma value (typically an address, offset or length) in
printf (_(" define new File Table entry\n"));
printf (_(" Entry\tDir\tTime\tSize\tName\n"));
- printf (_(" %d\t"), ++state_machine_regs.last_file_entry);
+ printf (" %d\t", ++state_machine_regs.last_file_entry);
name = data;
data += strlen ((char *) data) + 1;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ printf ("%lu\t", read_leb128 (data, & bytes_read, 0));
data += bytes_read;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ printf ("%lu\t", read_leb128 (data, & bytes_read, 0));
data += bytes_read;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
- printf (_("%s\n\n"), name);
+ printf ("%lu\t", read_leb128 (data, & bytes_read, 0));
+ printf ("%s\n\n", name);
break;
case DW_LNE_set_discriminator:
dwarf_vma addr;
encoding = *data++;
- addr = get_encoded_value (data, encoding);
- if ((encoding & 0x70) == DW_EH_PE_pcrel)
- addr += section->address + (data - section->start);
+ addr = get_encoded_value (data, encoding, section);
data += size_of_encoded_value (encoding);
printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding);
printf ("DW_OP_GNU_implicit_pointer: <0x%lx> %ld",
(long) byte_get (data, offset_size),
read_leb128 (data + offset_size, &bytes_read, 1));
- data += offset_size;
+ data += offset_size + bytes_read;
}
break;
}
if (!do_loc)
- printf (_(" (%s)\n"), get_TAG_name (entry->tag));
+ printf (" (%s)\n", get_TAG_name (entry->tag));
switch (entry->tag)
{
while (*data != 0)
{
- printf (_(" %s\n"), data);
+ printf (" %s\n", data);
data += strlen ((char *) data) + 1;
}
unsigned char *name;
unsigned int bytes_read;
- printf (_(" %d\t"), ++state_machine_regs.last_file_entry);
+ printf (" %d\t", ++state_machine_regs.last_file_entry);
name = data;
data += strlen ((char *) data) + 1;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ printf ("%lu\t", read_leb128 (data, & bytes_read, 0));
data += bytes_read;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ printf ("%lu\t", read_leb128 (data, & bytes_read, 0));
data += bytes_read;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ printf ("%lu\t", read_leb128 (data, & bytes_read, 0));
data += bytes_read;
- printf (_("%s\n"), name);
+ printf ("%s\n", name);
}
}
else
{
if (do_wide || strlen ((char *) directory_table[0]) < 76)
- {
- printf (_("CU: %s/%s:\n"), directory_table[0],
- file_table[0].name);
- }
+ printf (_("CU: %s/%s:\n"), directory_table[0],
+ file_table[0].name);
else
- {
- printf (_("%s:\n"), file_table[0].name);
- }
+ printf ("%s:\n", file_table[0].name);
+
printf (_("File name Line number Starting address\n"));
}
}
op_code_data += bytes_read;
read_leb128 (op_code_data, & bytes_read, 0);
- printf (_("%s:\n"), directory_table[dir_index]);
+ printf ("%s:\n", directory_table[dir_index]);
break;
}
default:
if (file_table[state_machine_regs.file - 1].directory_index == 0)
{
/* If directory index is 0, that means current directory. */
- printf (_("\n./%s:[++]\n"),
+ printf ("\n./%s:[++]\n",
file_table[state_machine_regs.file - 1].name);
}
else
{
/* The directory index starts counting at 1. */
- printf (_("\n%s/%s:\n"),
+ printf ("\n%s/%s:\n",
directory_table[file_table[state_machine_regs.file - 1].directory_index - 1],
file_table[state_machine_regs.file - 1].name);
}
if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH))
{
if (linfo.li_max_ops_per_insn == 1)
- printf (_("%-35s %11d %#18lx\n"), newFileName,
+ printf ("%-35s %11d %#18lx\n", newFileName,
state_machine_regs.line,
state_machine_regs.address);
else
- printf (_("%-35s %11d %#18lx[%d]\n"), newFileName,
+ printf ("%-35s %11d %#18lx[%d]\n", newFileName,
state_machine_regs.line,
state_machine_regs.address,
state_machine_regs.op_index);
else
{
if (linfo.li_max_ops_per_insn == 1)
- printf (_("%s %11d %#18lx\n"), newFileName,
+ printf ("%s %11d %#18lx\n", newFileName,
state_machine_regs.line,
state_machine_regs.address);
else
- printf (_("%s %11d %#18lx[%d]\n"), newFileName,
+ printf ("%s %11d %#18lx[%d]\n", newFileName,
state_machine_regs.line,
state_machine_regs.address,
state_machine_regs.op_index);
{
abbrev_attr *attr;
- printf (_(" %ld %s [%s]\n"),
+ printf (" %ld %s [%s]\n",
entry->entry,
get_TAG_name (entry->tag),
entry->children ? _("has children") : _("no children"));
for (attr = entry->first_attr; attr; attr = attr->next)
- printf (_(" %-18s %s\n"),
+ printf (" %-18s %s\n",
get_AT_name (attr->attribute),
get_FORM_name (attr->form));
}
segment_selector = byte_get (start, fc->segment_size);
start += fc->segment_size;
}
- fc->pc_begin = get_encoded_value (start, fc->fde_encoding);
- if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel)
- fc->pc_begin += section->address + (start - section_start);
+ fc->pc_begin = get_encoded_value (start, fc->fde_encoding, section);
start += encoded_ptr_size;
fc->pc_range = byte_get (start, encoded_ptr_size);
start += encoded_ptr_size;
break;
case DW_CFA_set_loc:
- vma = get_encoded_value (start, fc->fde_encoding);
- if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel)
- vma += section->address + (start - section_start);
+ vma = get_encoded_value (start, fc->fde_encoding, section);
start += encoded_ptr_size;
if (do_debug_frames_interp)
frame_display_row (fc, &need_col_headers, &max_regs);
#undef LEB
#undef SLEB
+static int
+display_gdb_index (struct dwarf_section *section,
+ void *file ATTRIBUTE_UNUSED)
+{
+ unsigned char *start = section->start;
+ uint32_t version;
+ uint32_t cu_list_offset, tu_list_offset;
+ uint32_t address_table_offset, symbol_table_offset, constant_pool_offset;
+ unsigned int cu_list_elements, tu_list_elements;
+ unsigned int address_table_size, symbol_table_slots;
+ unsigned char *cu_list, *tu_list;
+ unsigned char *address_table, *symbol_table, *constant_pool;
+ unsigned int i;
+
+ /* The documentation for the format of this file is in gdb/dwarf2read.c. */
+
+ printf (_("Contents of the %s section:\n"), section->name);
+
+ if (section->size < 6 * sizeof (uint32_t))
+ {
+ warn (_("Truncated header in the %s section.\n"), section->name);
+ return 0;
+ }
+
+ version = byte_get_little_endian (start, 4);
+ printf (_("Version %d\n"), version);
+
+ /* Prior versions are obsolete, and future versions may not be
+ backwards compatible. */
+ if (version != 3)
+ {
+ warn (_("Unsupported version %u.\n"), version);
+ return 0;
+ }
+
+ cu_list_offset = byte_get_little_endian (start + 4, 4);
+ tu_list_offset = byte_get_little_endian (start + 8, 4);
+ address_table_offset = byte_get_little_endian (start + 12, 4);
+ symbol_table_offset = byte_get_little_endian (start + 16, 4);
+ constant_pool_offset = byte_get_little_endian (start + 20, 4);
+
+ if (cu_list_offset > section->size
+ || tu_list_offset > section->size
+ || address_table_offset > section->size
+ || symbol_table_offset > section->size
+ || constant_pool_offset > section->size)
+ {
+ warn (_("Corrupt header in the %s section.\n"), section->name);
+ return 0;
+ }
+
+ cu_list_elements = (tu_list_offset - cu_list_offset) / 8;
+ tu_list_elements = (address_table_offset - tu_list_offset) / 8;
+ address_table_size = symbol_table_offset - address_table_offset;
+ symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8;
+
+ cu_list = start + cu_list_offset;
+ tu_list = start + tu_list_offset;
+ address_table = start + address_table_offset;
+ symbol_table = start + symbol_table_offset;
+ constant_pool = start + constant_pool_offset;
+
+ printf (_("\nCU table:\n"));
+ for (i = 0; i < cu_list_elements; i += 2)
+ {
+ uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8);
+ uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8);
+
+ printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2,
+ (unsigned long) cu_offset,
+ (unsigned long) (cu_offset + cu_length - 1));
+ }
+
+ printf (_("\nTU table:\n"));
+ for (i = 0; i < tu_list_elements; i += 3)
+ {
+ uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8);
+ uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8);
+ uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8);
+
+ printf (_("[%3u] 0x%lx 0x%lx "), i / 3,
+ (unsigned long) tu_offset,
+ (unsigned long) type_offset);
+ print_dwarf_vma (signature, 8);
+ printf ("\n");
+ }
+
+ printf (_("\nAddress table:\n"));
+ for (i = 0; i < address_table_size; i += 2 * 8 + 4)
+ {
+ uint64_t low = byte_get_little_endian (address_table + i, 8);
+ uint64_t high = byte_get_little_endian (address_table + i + 8, 8);
+ uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4);
+
+ print_dwarf_vma (low, 8);
+ print_dwarf_vma (high, 8);
+ printf (_("%u\n"), cu_index);
+ }
+
+ printf (_("\nSymbol table:\n"));
+ for (i = 0; i < symbol_table_slots; ++i)
+ {
+ uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4);
+ uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4);
+ uint32_t num_cus, cu;
+
+ if (name_offset != 0
+ || cu_vector_offset != 0)
+ {
+ unsigned int j;
+
+ printf ("[%3u] %s:", i, constant_pool + name_offset);
+ num_cus = byte_get_little_endian (constant_pool + cu_vector_offset, 4);
+ for (j = 0; j < num_cus; ++j)
+ {
+ 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%u", cu - cu_list_elements);
+ else
+ printf (" %u", cu);
+ }
+ printf ("\n");
+ }
+ }
+
+ return 1;
+}
+
static int
display_debug_not_supported (struct dwarf_section *section,
void *file ATTRIBUTE_UNUSED)
return xrealloc (ptr, nmemb * size);
}
-void
-error (const char *message, ...)
-{
- va_list args;
-
- va_start (args, message);
- fprintf (stderr, _("%s: Error: "), program_name);
- vfprintf (stderr, message, args);
- va_end (args);
-}
-
-void
-warn (const char *message, ...)
-{
- va_list args;
-
- va_start (args, message);
- fprintf (stderr, _("%s: Warning: "), program_name);
- vfprintf (stderr, message, args);
- va_end (args);
-}
-
void
free_debug_memory (void)
{
with earlier versions of readelf. */
{ "ranges", & do_debug_aranges, 1 },
{ "str", & do_debug_str, 1 },
+ /* The special .gdb_index section. */
+ { "gdb_index", & do_gdb_index, 1 },
/* These trace_* sections are used by Itanium VMS. */
{ "trace_abbrev", & do_trace_abbrevs, 1 },
{ "trace_aranges", & do_trace_aranges, 1 },
do_debug_macinfo = 1;
do_debug_str = 1;
do_debug_loc = 1;
+ do_gdb_index = 1;
do_trace_info = 1;
do_trace_abbrevs = 1;
do_trace_aranges = 1;
display_debug_types, &do_debug_info, 1 },
{ { ".debug_weaknames", ".zdebug_weaknames", NULL, NULL, 0, 0 },
display_debug_not_supported, NULL, 0 },
+ { { ".gdb_index", "", NULL, NULL, 0, 0 },
+ display_gdb_index, &do_gdb_index, 0 },
{ { ".trace_info", "", NULL, NULL, 0, 0 },
display_trace_info, &do_trace_info, 1 },
{ { ".trace_abbrev", "", NULL, NULL, 0, 0 },
projects / deliverable / binutils-gdb.git / blobdiff