#include "sysdep.h"
#include "libiberty.h"
#include "bfd.h"
+#include "bfd_stdint.h"
#include "bucomm.h"
#include "elfcomm.h"
#include "elf/common.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;
}
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
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);
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 %ld\n"), (long) version);
+
+ /* Prior versions are obsolete, and future versions may not be
+ backwards compatible. */
+ if (version != 3)
+ {
+ warn (_("Unsupported version %lu.\n"), (unsigned long) 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 (_("%lu\n"), (unsigned long) 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%lu", (unsigned long) (cu - cu_list_elements));
+ else
+ printf (" %lu", (unsigned long) cu);
+ }
+ printf ("\n");
+ }
+ }
+
+ return 1;
+}
+
static int
display_debug_not_supported (struct dwarf_section *section,
void *file ATTRIBUTE_UNUSED)
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