/* dwarf.c -- display DWARF contents of a BFD binary file
- Copyright 2005, 2006, 2007
+ Copyright 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Free Software Foundation, Inc.
This file is part of GNU Binutils.
#include "sysdep.h"
#include "libiberty.h"
#include "bfd.h"
+#include "bfd_stdint.h"
#include "bucomm.h"
-#include "elf/dwarf2.h"
+#include "elfcomm.h"
+#include "elf/common.h"
+#include "dwarf2.h"
#include "dwarf.h"
+#include "gdb/gdb-index.h"
+
+static const char *regname (unsigned int regno, int row);
static int have_frame_base;
static int need_base_address;
that the .debug_info section could not be loaded/parsed. */
#define DEBUG_INFO_UNAVAILABLE (unsigned int) -1
-dwarf_vma eh_addr_size;
+int eh_addr_size;
int do_debug_info;
int do_debug_abbrevs;
int do_debug_lines;
int do_debug_pubnames;
+int do_debug_pubtypes;
int do_debug_aranges;
int do_debug_ranges;
int do_debug_frames;
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;
+int do_debug_addr;
+int do_debug_cu_index;
+int do_wide;
-dwarf_vma (*byte_get) (unsigned char *, int);
+int dwarf_cutoff_level = -1;
+unsigned long dwarf_start_die;
-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 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);
+int dwarf_check = 0;
- default:
- error (_("Unhandled data length: %d\n"), size);
- abort ();
+/* Values for do_debug_lines. */
+#define FLAG_DEBUG_LINES_RAW 1
+#define FLAG_DEBUG_LINES_DECODED 2
+
+static int
+size_of_encoded_value (int encoding)
+{
+ switch (encoding & 0x7)
+ {
+ default: /* ??? */
+ case 0: return eh_addr_size;
+ case 2: return 2;
+ case 3: return 4;
+ case 4: return 8;
}
}
-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 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);
- }
+static dwarf_vma
+get_encoded_value (unsigned char *data,
+ int encoding,
+ struct dwarf_section *section)
+{
+ int size = size_of_encoded_value (encoding);
+ dwarf_vma val;
- default:
- error (_("Unhandled data length: %d\n"), size);
- abort ();
+ if (encoding & DW_EH_PE_signed)
+ val = byte_get_signed (data, size);
+ else
+ 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
+ hexadecimal format, followed by a space. The length of the value (and
+ hence the precision displayed) is determined by the byte_size parameter. */
+
+static void
+print_dwarf_vma (dwarf_vma val, unsigned byte_size)
+{
+ static char buff[18];
+ int offset = 0;
+
+ /* Printf does not have a way of specifiying a maximum field width for an
+ integer value, so we print the full value into a buffer and then select
+ the precision we need. */
+#if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2)
+#ifndef __MINGW32__
+ snprintf (buff, sizeof (buff), "%16.16llx ", val);
+#else
+ snprintf (buff, sizeof (buff), "%016I64x ", val);
+#endif
+#else
+ snprintf (buff, sizeof (buff), "%16.16lx ", val);
+#endif
+
+ if (byte_size != 0)
+ {
+ if (byte_size > 0 && byte_size <= 8)
+ offset = 16 - 2 * byte_size;
+ else
+ error (_("Wrong size in print_dwarf_vma"));
}
+
+ fputs (buff + offset, stdout);
}
-static dwarf_vma
-byte_get_signed (unsigned char *field, int size)
+#if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2)
+#ifndef __MINGW32__
+#define DWARF_VMA_FMT "ll"
+#else
+#define DWARF_VMA_FMT "I64"
+#endif
+#else
+#define DWARF_VMA_FMT "l"
+#endif
+
+static const char *
+dwarf_vmatoa (const char *fmtch, dwarf_vma value)
+{
+ /* As dwarf_vmatoa is used more then once in a printf call
+ for output, we are cycling through an fixed array of pointers
+ for return address. */
+ static int buf_pos = 0;
+ static struct dwarf_vmatoa_buf
+ {
+ char place[64];
+ } buf[16];
+ char fmt[32];
+ char *ret;
+
+ sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch);
+
+ ret = buf[buf_pos++].place;
+ buf_pos %= ARRAY_SIZE (buf);
+
+ snprintf (ret, sizeof (buf[0].place), fmt, value);
+
+ return ret;
+}
+
+/* Format a 64-bit value, given as two 32-bit values, in hex.
+ For reentrancy, this uses a buffer provided by the caller. */
+
+static const char *
+dwarf_vmatoa64 (dwarf_vma hvalue, dwarf_vma lvalue, char *buf,
+ unsigned int buf_len)
{
- dwarf_vma x = byte_get (field, size);
+ int len = 0;
- switch (size)
+ if (hvalue == 0)
+ snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", lvalue);
+ else
{
- case 1:
- return (x ^ 0x80) - 0x80;
- case 2:
- return (x ^ 0x8000) - 0x8000;
- case 4:
- return (x ^ 0x80000000) - 0x80000000;
- case 8:
- return x;
- default:
- abort ();
+ len = snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", hvalue);
+ snprintf (buf + len, buf_len - len,
+ "%08" DWARF_VMA_FMT "x", lvalue);
}
+
+ return buf;
}
-static unsigned long int
+dwarf_vma
read_leb128 (unsigned char *data, unsigned int *length_return, int sign)
{
- unsigned long int result = 0;
+ dwarf_vma result = 0;
unsigned int num_read = 0;
unsigned int shift = 0;
unsigned char byte;
byte = *data++;
num_read++;
- result |= ((unsigned long int) (byte & 0x7f)) << shift;
+ result |= ((dwarf_vma) (byte & 0x7f)) << shift;
shift += 7;
return result;
}
+/* Create a signed version to avoid painful typecasts. */
+static dwarf_signed_vma
+read_sleb128 (unsigned char *data, unsigned int *length_return)
+{
+ return (dwarf_signed_vma) read_leb128 (data, length_return, 1);
+}
+
typedef struct State_Machine_Registers
{
- unsigned long address;
+ dwarf_vma address;
unsigned int file;
unsigned int line;
unsigned int column;
int is_stmt;
int basic_block;
- int end_sequence;
+ unsigned char op_index;
+ unsigned char end_sequence;
/* This variable hold the number of the last entry seen
in the File Table. */
unsigned int last_file_entry;
reset_state_machine (int is_stmt)
{
state_machine_regs.address = 0;
+ state_machine_regs.op_index = 0;
state_machine_regs.file = 1;
state_machine_regs.line = 1;
state_machine_regs.column = 0;
unsigned int bytes_read;
unsigned int len;
unsigned char *name;
- unsigned long adr;
+ dwarf_vma adr;
+ unsigned char *orig_data = data;
len = read_leb128 (data, & bytes_read, 0);
data += bytes_read;
case DW_LNE_set_address:
adr = byte_get (data, len - bytes_read - 1);
- printf (_("set Address to 0x%lx\n"), adr);
+ printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr));
state_machine_regs.address = adr;
+ state_machine_regs.op_index = 0;
break;
case DW_LNE_define_file:
- printf (_(" define new File Table entry\n"));
+ 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 ("%s\t", dwarf_vmatoa ("u", read_leb128 (data, & bytes_read, 0)));
data += bytes_read;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ printf ("%s\t", dwarf_vmatoa ("u", read_leb128 (data, & bytes_read, 0)));
data += bytes_read;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
- printf (_("%s\n\n"), name);
+ printf ("%s\t", dwarf_vmatoa ("u", read_leb128 (data, & bytes_read, 0)));
+ data += bytes_read;
+ printf ("%s", name);
+ if ((unsigned int) (data - orig_data) != len)
+ printf (_(" [Bad opcode length]"));
+ printf ("\n\n");
+ break;
+
+ case DW_LNE_set_discriminator:
+ printf (_("set Discriminator to %s\n"),
+ dwarf_vmatoa ("u", read_leb128 (data, & bytes_read, 0)));
break;
/* HP extensions. */
case DW_LNE_HP_negate_is_UV_update:
- printf ("DW_LNE_HP_negate_is_UV_update");
+ printf ("DW_LNE_HP_negate_is_UV_update\n");
break;
case DW_LNE_HP_push_context:
- printf ("DW_LNE_HP_push_context");
+ printf ("DW_LNE_HP_push_context\n");
break;
case DW_LNE_HP_pop_context:
- printf ("DW_LNE_HP_pop_context");
+ printf ("DW_LNE_HP_pop_context\n");
break;
case DW_LNE_HP_set_file_line_column:
- printf ("DW_LNE_HP_set_file_line_column");
+ printf ("DW_LNE_HP_set_file_line_column\n");
break;
case DW_LNE_HP_set_routine_name:
- printf ("DW_LNE_HP_set_routine_name");
+ printf ("DW_LNE_HP_set_routine_name\n");
break;
case DW_LNE_HP_set_sequence:
- printf ("DW_LNE_HP_set_sequence");
+ printf ("DW_LNE_HP_set_sequence\n");
break;
case DW_LNE_HP_negate_post_semantics:
- printf ("DW_LNE_HP_negate_post_semantics");
+ printf ("DW_LNE_HP_negate_post_semantics\n");
break;
case DW_LNE_HP_negate_function_exit:
- printf ("DW_LNE_HP_negate_function_exit");
+ printf ("DW_LNE_HP_negate_function_exit\n");
break;
case DW_LNE_HP_negate_front_end_logical:
- printf ("DW_LNE_HP_negate_front_end_logical");
+ printf ("DW_LNE_HP_negate_front_end_logical\n");
break;
case DW_LNE_HP_define_proc:
- printf ("DW_LNE_HP_define_proc");
+ printf ("DW_LNE_HP_define_proc\n");
+ break;
+ case DW_LNE_HP_source_file_correlation:
+ {
+ unsigned char *edata = data + len - bytes_read - 1;
+
+ printf ("DW_LNE_HP_source_file_correlation\n");
+
+ while (data < edata)
+ {
+ unsigned int opc;
+
+ opc = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+
+ switch (opc)
+ {
+ case DW_LNE_HP_SFC_formfeed:
+ printf (" DW_LNE_HP_SFC_formfeed\n");
+ break;
+ case DW_LNE_HP_SFC_set_listing_line:
+ printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n",
+ dwarf_vmatoa ("u",
+ read_leb128 (data, & bytes_read, 0)));
+ data += bytes_read;
+ break;
+ case DW_LNE_HP_SFC_associate:
+ printf (" DW_LNE_HP_SFC_associate ");
+ printf ("(%s",
+ dwarf_vmatoa ("u",
+ read_leb128 (data, & bytes_read, 0)));
+ data += bytes_read;
+ printf (",%s",
+ dwarf_vmatoa ("u",
+ read_leb128 (data, & bytes_read, 0)));
+ data += bytes_read;
+ printf (",%s)\n",
+ dwarf_vmatoa ("u",
+ read_leb128 (data, & bytes_read, 0)));
+ data += bytes_read;
+ break;
+ default:
+ printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc);
+ data = edata;
+ break;
+ }
+ }
+ }
break;
-
+
default:
- if (op_code >= DW_LNE_lo_user
- /* The test against DW_LNW_hi_user is redundant due to
- the limited range of the unsigned char data type used
- for op_code. */
- /*&& op_code <= DW_LNE_hi_user*/)
- printf (_("user defined: length %d\n"), len - bytes_read);
- else
- printf (_("UNKNOWN: length %d\n"), len - bytes_read);
+ {
+ unsigned int rlen = len - bytes_read - 1;
+
+ if (op_code >= DW_LNE_lo_user
+ /* The test against DW_LNW_hi_user is redundant due to
+ the limited range of the unsigned char data type used
+ for op_code. */
+ /*&& op_code <= DW_LNE_hi_user*/)
+ printf (_("user defined: "));
+ else
+ printf (_("UNKNOWN: "));
+ printf (_("length %d ["), rlen);
+ for (; rlen; rlen--)
+ printf (" %02x", *data++);
+ printf ("]\n");
+ }
break;
}
}
static const char *
-fetch_indirect_string (unsigned long offset)
+fetch_indirect_string (dwarf_vma offset)
{
struct dwarf_section *section = &debug_displays [str].section;
offset -= section->address;
if (offset > section->size)
{
- warn (_("DW_FORM_strp offset too big: %lx\n"), offset);
+ warn (_("DW_FORM_strp offset too big: %s\n"),
+ dwarf_vmatoa ("x", offset));
return _("<offset is too big>");
}
return (const char *) section->start + offset;
}
+static const char *
+fetch_indexed_string (dwarf_vma idx, dwarf_vma offset_size, int dwo)
+{
+ enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str;
+ enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index;
+ struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section;
+ struct dwarf_section *str_section = &debug_displays [str_sec_idx].section;
+ dwarf_vma index_offset = idx * offset_size;
+ dwarf_vma str_offset;
+
+ if (index_section->start == NULL)
+ return (dwo ? _("<no .debug_str_offsets.dwo section>")
+ : _("<no .debug_str_offsets section>"));
+
+ /* DWARF sections under Mach-O have non-zero addresses. */
+ index_offset -= index_section->address;
+ if (index_offset > index_section->size)
+ {
+ warn (_("DW_FORM_GNU_str_index offset too big: %s\n"),
+ dwarf_vmatoa ("x", index_offset));
+ return _("<index offset is too big>");
+ }
+
+ if (str_section->start == NULL)
+ return (dwo ? _("<no .debug_str.dwo section>")
+ : _("<no .debug_str section>"));
+
+ str_offset = byte_get (index_section->start + index_offset, offset_size);
+ str_offset -= str_section->address;
+ 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;
+}
+
+static const char *
+fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes)
+{
+ struct dwarf_section *section = &debug_displays [debug_addr].section;
+
+ if (section->start == NULL)
+ return (_("<no .debug_addr section>"));
+
+ if (offset + bytes > section->size)
+ {
+ warn (_("Offset into section %s too big: %s\n"),
+ section->name, dwarf_vmatoa ("x", offset));
+ return "<offset too big>";
+ }
+
+ return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes));
+}
+
+
/* FIXME: There are better and more efficient ways to handle
these structures. For now though, I just want something that
is simple to implement. */
static void
free_abbrevs (void)
{
- abbrev_entry *abbrev;
+ abbrev_entry *abbrv;
- for (abbrev = first_abbrev; abbrev;)
+ for (abbrv = first_abbrev; abbrv;)
{
- abbrev_entry *next = abbrev->next;
+ abbrev_entry *next_abbrev = abbrv->next;
abbrev_attr *attr;
- for (attr = abbrev->first_attr; attr;)
+ for (attr = abbrv->first_attr; attr;)
{
- abbrev_attr *next = attr->next;
+ abbrev_attr *next_attr = attr->next;
free (attr);
- attr = next;
+ attr = next_attr;
}
- free (abbrev);
- abbrev = next;
+ free (abbrv);
+ abbrv = next_abbrev;
}
last_abbrev = first_abbrev = NULL;
{
abbrev_entry *entry;
- entry = malloc (sizeof (*entry));
-
+ entry = (abbrev_entry *) malloc (sizeof (*entry));
if (entry == NULL)
/* ugg */
return;
{
abbrev_attr *attr;
- attr = malloc (sizeof (*attr));
-
+ attr = (abbrev_attr *) malloc (sizeof (*attr));
if (attr == NULL)
/* ugg */
return;
form = read_leb128 (start, & bytes_read, 0);
start += bytes_read;
- if (attribute != 0)
- add_abbrev_attr (attribute, form);
+ add_abbrev_attr (attribute, form);
}
while (attribute != 0);
}
+ /* Report the missing single zero which ends the section. */
+ error (_(".debug_abbrev section not zero terminated\n"));
+
return NULL;
}
-static char *
+static const char *
get_TAG_name (unsigned long tag)
{
- switch (tag)
- {
- case DW_TAG_padding: return "DW_TAG_padding";
- case DW_TAG_array_type: return "DW_TAG_array_type";
- case DW_TAG_class_type: return "DW_TAG_class_type";
- case DW_TAG_entry_point: return "DW_TAG_entry_point";
- case DW_TAG_enumeration_type: return "DW_TAG_enumeration_type";
- case DW_TAG_formal_parameter: return "DW_TAG_formal_parameter";
- case DW_TAG_imported_declaration: return "DW_TAG_imported_declaration";
- case DW_TAG_label: return "DW_TAG_label";
- case DW_TAG_lexical_block: return "DW_TAG_lexical_block";
- case DW_TAG_member: return "DW_TAG_member";
- case DW_TAG_pointer_type: return "DW_TAG_pointer_type";
- case DW_TAG_reference_type: return "DW_TAG_reference_type";
- case DW_TAG_compile_unit: return "DW_TAG_compile_unit";
- case DW_TAG_string_type: return "DW_TAG_string_type";
- case DW_TAG_structure_type: return "DW_TAG_structure_type";
- case DW_TAG_subroutine_type: return "DW_TAG_subroutine_type";
- case DW_TAG_typedef: return "DW_TAG_typedef";
- case DW_TAG_union_type: return "DW_TAG_union_type";
- case DW_TAG_unspecified_parameters: return "DW_TAG_unspecified_parameters";
- case DW_TAG_variant: return "DW_TAG_variant";
- case DW_TAG_common_block: return "DW_TAG_common_block";
- case DW_TAG_common_inclusion: return "DW_TAG_common_inclusion";
- case DW_TAG_inheritance: return "DW_TAG_inheritance";
- case DW_TAG_inlined_subroutine: return "DW_TAG_inlined_subroutine";
- case DW_TAG_module: return "DW_TAG_module";
- case DW_TAG_ptr_to_member_type: return "DW_TAG_ptr_to_member_type";
- case DW_TAG_set_type: return "DW_TAG_set_type";
- case DW_TAG_subrange_type: return "DW_TAG_subrange_type";
- case DW_TAG_with_stmt: return "DW_TAG_with_stmt";
- case DW_TAG_access_declaration: return "DW_TAG_access_declaration";
- case DW_TAG_base_type: return "DW_TAG_base_type";
- case DW_TAG_catch_block: return "DW_TAG_catch_block";
- case DW_TAG_const_type: return "DW_TAG_const_type";
- case DW_TAG_constant: return "DW_TAG_constant";
- case DW_TAG_enumerator: return "DW_TAG_enumerator";
- case DW_TAG_file_type: return "DW_TAG_file_type";
- case DW_TAG_friend: return "DW_TAG_friend";
- case DW_TAG_namelist: return "DW_TAG_namelist";
- case DW_TAG_namelist_item: return "DW_TAG_namelist_item";
- case DW_TAG_packed_type: return "DW_TAG_packed_type";
- case DW_TAG_subprogram: return "DW_TAG_subprogram";
- case DW_TAG_template_type_param: return "DW_TAG_template_type_param";
- case DW_TAG_template_value_param: return "DW_TAG_template_value_param";
- case DW_TAG_thrown_type: return "DW_TAG_thrown_type";
- case DW_TAG_try_block: return "DW_TAG_try_block";
- case DW_TAG_variant_part: return "DW_TAG_variant_part";
- case DW_TAG_variable: return "DW_TAG_variable";
- case DW_TAG_volatile_type: return "DW_TAG_volatile_type";
- case DW_TAG_MIPS_loop: return "DW_TAG_MIPS_loop";
- case DW_TAG_format_label: return "DW_TAG_format_label";
- case DW_TAG_function_template: return "DW_TAG_function_template";
- case DW_TAG_class_template: return "DW_TAG_class_template";
- /* DWARF 2.1 values. */
- case DW_TAG_dwarf_procedure: return "DW_TAG_dwarf_procedure";
- case DW_TAG_restrict_type: return "DW_TAG_restrict_type";
- case DW_TAG_interface_type: return "DW_TAG_interface_type";
- case DW_TAG_namespace: return "DW_TAG_namespace";
- case DW_TAG_imported_module: return "DW_TAG_imported_module";
- case DW_TAG_unspecified_type: return "DW_TAG_unspecified_type";
- case DW_TAG_partial_unit: return "DW_TAG_partial_unit";
- case DW_TAG_imported_unit: return "DW_TAG_imported_unit";
- /* UPC values. */
- case DW_TAG_upc_shared_type: return "DW_TAG_upc_shared_type";
- case DW_TAG_upc_strict_type: return "DW_TAG_upc_strict_type";
- case DW_TAG_upc_relaxed_type: return "DW_TAG_upc_relaxed_type";
- default:
- {
- static char buffer[100];
+ const char *name = get_DW_TAG_name ((unsigned int)tag);
- snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %lx"), tag);
- return buffer;
- }
+ if (name == NULL)
+ {
+ static char buffer[100];
+
+ snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %lx"), tag);
+ return buffer;
}
+
+ return name;
}
-static char *
+static const char *
get_FORM_name (unsigned long form)
{
- switch (form)
+ const char *name;
+
+ if (form == 0)
+ return "DW_FORM value: 0";
+
+ name = get_DW_FORM_name (form);
+ if (name == NULL)
{
- case DW_FORM_addr: return "DW_FORM_addr";
- case DW_FORM_block2: return "DW_FORM_block2";
- case DW_FORM_block4: return "DW_FORM_block4";
- case DW_FORM_data2: return "DW_FORM_data2";
- case DW_FORM_data4: return "DW_FORM_data4";
- case DW_FORM_data8: return "DW_FORM_data8";
- case DW_FORM_string: return "DW_FORM_string";
- case DW_FORM_block: return "DW_FORM_block";
- case DW_FORM_block1: return "DW_FORM_block1";
- case DW_FORM_data1: return "DW_FORM_data1";
- case DW_FORM_flag: return "DW_FORM_flag";
- case DW_FORM_sdata: return "DW_FORM_sdata";
- case DW_FORM_strp: return "DW_FORM_strp";
- case DW_FORM_udata: return "DW_FORM_udata";
- case DW_FORM_ref_addr: return "DW_FORM_ref_addr";
- case DW_FORM_ref1: return "DW_FORM_ref1";
- case DW_FORM_ref2: return "DW_FORM_ref2";
- case DW_FORM_ref4: return "DW_FORM_ref4";
- case DW_FORM_ref8: return "DW_FORM_ref8";
- case DW_FORM_ref_udata: return "DW_FORM_ref_udata";
- case DW_FORM_indirect: return "DW_FORM_indirect";
- default:
- {
- static char buffer[100];
+ static char buffer[100];
- snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form);
- return buffer;
- }
+ snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form);
+ return buffer;
}
+
+ return name;
}
static unsigned char *
-display_block (unsigned char *data, unsigned long length)
+display_block (unsigned char *data, dwarf_vma length)
{
- printf (_(" %lu byte block: "), length);
+ printf (_(" %s byte block: "), dwarf_vmatoa ("u", length));
while (length --)
printf ("%lx ", (unsigned long) byte_get (data++, 1));
static int
decode_location_expression (unsigned char * data,
unsigned int pointer_size,
- unsigned long length,
- unsigned long cu_offset)
+ unsigned int offset_size,
+ int dwarf_version,
+ dwarf_vma length,
+ dwarf_vma cu_offset,
+ struct dwarf_section * section)
{
unsigned op;
unsigned int bytes_read;
- unsigned long uvalue;
+ dwarf_vma uvalue;
unsigned char *end = data + length;
int need_frame_base = 0;
switch (op)
{
case DW_OP_addr:
- printf ("DW_OP_addr: %lx",
- (unsigned long) byte_get (data, pointer_size));
+ printf ("DW_OP_addr: %s",
+ dwarf_vmatoa ("x", byte_get (data, pointer_size)));
data += pointer_size;
break;
case DW_OP_deref:
data += 8;
break;
case DW_OP_constu:
- printf ("DW_OP_constu: %lu", read_leb128 (data, &bytes_read, 0));
+ printf ("DW_OP_constu: %s",
+ dwarf_vmatoa ("u", read_leb128 (data, &bytes_read, 0)));
data += bytes_read;
break;
case DW_OP_consts:
- printf ("DW_OP_consts: %ld", read_leb128 (data, &bytes_read, 1));
+ printf ("DW_OP_consts: %s",
+ dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read)));
data += bytes_read;
break;
case DW_OP_dup:
printf ("DW_OP_plus");
break;
case DW_OP_plus_uconst:
- printf ("DW_OP_plus_uconst: %lu",
- read_leb128 (data, &bytes_read, 0));
+ printf ("DW_OP_plus_uconst: %s",
+ dwarf_vmatoa ("u", read_leb128 (data, &bytes_read, 0)));
data += bytes_read;
break;
case DW_OP_shl:
case DW_OP_reg29:
case DW_OP_reg30:
case DW_OP_reg31:
- printf ("DW_OP_reg%d", op - DW_OP_reg0);
+ printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0,
+ regname (op - DW_OP_reg0, 1));
break;
case DW_OP_breg0:
case DW_OP_breg29:
case DW_OP_breg30:
case DW_OP_breg31:
- printf ("DW_OP_breg%d: %ld", op - DW_OP_breg0,
- read_leb128 (data, &bytes_read, 1));
+ printf ("DW_OP_breg%d (%s): %s",
+ op - DW_OP_breg0,
+ regname (op - DW_OP_breg0, 1),
+ dwarf_vmatoa ("d", (dwarf_signed_vma)
+ read_leb128 (data, &bytes_read, 1)));
data += bytes_read;
break;
case DW_OP_regx:
- printf ("DW_OP_regx: %lu", read_leb128 (data, &bytes_read, 0));
+ uvalue = read_leb128 (data, &bytes_read, 0);
data += bytes_read;
+ printf ("DW_OP_regx: %s (%s)",
+ dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
break;
case DW_OP_fbreg:
need_frame_base = 1;
- printf ("DW_OP_fbreg: %ld", read_leb128 (data, &bytes_read, 1));
+ printf ("DW_OP_fbreg: %s",
+ dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read)));
data += bytes_read;
break;
case DW_OP_bregx:
uvalue = read_leb128 (data, &bytes_read, 0);
data += bytes_read;
- printf ("DW_OP_bregx: %lu %ld", uvalue,
- read_leb128 (data, &bytes_read, 1));
+ printf ("DW_OP_bregx: %s (%s) %s",
+ dwarf_vmatoa ("u", uvalue), regname (uvalue, 1),
+ dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read)));
data += bytes_read;
break;
case DW_OP_piece:
- printf ("DW_OP_piece: %lu", read_leb128 (data, &bytes_read, 0));
+ printf ("DW_OP_piece: %s",
+ dwarf_vmatoa ("u", read_leb128 (data, &bytes_read, 0)));
data += bytes_read;
break;
case DW_OP_deref_size:
case DW_OP_call2:
/* XXX: Strictly speaking for 64-bit DWARF3 files
this ought to be an 8-byte wide computation. */
- printf ("DW_OP_call2: <%lx>", (long) byte_get (data, 2) + cu_offset);
+ printf ("DW_OP_call2: <0x%s>",
+ dwarf_vmatoa ("x", (dwarf_signed_vma) byte_get (data, 2)
+ + cu_offset));
data += 2;
break;
case DW_OP_call4:
/* XXX: Strictly speaking for 64-bit DWARF3 files
this ought to be an 8-byte wide computation. */
- printf ("DW_OP_call4: <%lx>", (long) byte_get (data, 4) + cu_offset);
+ printf ("DW_OP_call4: <0x%s>",
+ dwarf_vmatoa ("x", (dwarf_signed_vma) byte_get (data, 4)
+ + cu_offset));
data += 4;
break;
case DW_OP_call_ref:
/* XXX: Strictly speaking for 64-bit DWARF3 files
this ought to be an 8-byte wide computation. */
- printf ("DW_OP_call_ref: <%lx>", (long) byte_get (data, 4) + cu_offset);
- data += 4;
+ if (dwarf_version == -1)
+ {
+ printf (_("(DW_OP_call_ref in frame info)"));
+ /* No way to tell where the next op is, so just bail. */
+ return need_frame_base;
+ }
+ if (dwarf_version == 2)
+ {
+ printf ("DW_OP_call_ref: <0x%s>",
+ dwarf_vmatoa ("x", byte_get (data, pointer_size)));
+ data += pointer_size;
+ }
+ else
+ {
+ printf ("DW_OP_call_ref: <0x%s>",
+ dwarf_vmatoa ("x", byte_get (data, offset_size)));
+ data += offset_size;
+ }
break;
case DW_OP_form_tls_address:
printf ("DW_OP_form_tls_address");
break;
case DW_OP_bit_piece:
printf ("DW_OP_bit_piece: ");
- printf ("size: %lu ", read_leb128 (data, &bytes_read, 0));
+ printf (_("size: %s "),
+ dwarf_vmatoa ("u", read_leb128 (data, &bytes_read, 0)));
data += bytes_read;
- printf ("offset: %lu ", read_leb128 (data, &bytes_read, 0));
+ printf (_("offset: %s "),
+ dwarf_vmatoa ("u", read_leb128 (data, &bytes_read, 0)));
data += bytes_read;
break;
+ /* DWARF 4 extensions. */
+ case DW_OP_stack_value:
+ printf ("DW_OP_stack_value");
+ break;
+
+ case DW_OP_implicit_value:
+ printf ("DW_OP_implicit_value");
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ display_block (data, uvalue);
+ data += uvalue;
+ break;
+
/* GNU extensions. */
case DW_OP_GNU_push_tls_address:
- printf ("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown");
+ printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown"));
break;
case DW_OP_GNU_uninit:
printf ("DW_OP_GNU_uninit");
/* FIXME: Is there data associated with this OP ? */
break;
+ case DW_OP_GNU_encoded_addr:
+ {
+ int encoding;
+ dwarf_vma addr;
+
+ encoding = *data++;
+ addr = get_encoded_value (data, encoding, section);
+ data += size_of_encoded_value (encoding);
+
+ printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding);
+ print_dwarf_vma (addr, pointer_size);
+ }
+ break;
+ 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)"));
+ /* No way to tell where the next op is, so just bail. */
+ return need_frame_base;
+ }
+ if (dwarf_version == 2)
+ {
+ printf ("DW_OP_GNU_implicit_pointer: <0x%s> %s",
+ dwarf_vmatoa ("x", byte_get (data, pointer_size)),
+ dwarf_vmatoa ("d", read_sleb128 (data + pointer_size,
+ &bytes_read)));
+ data += pointer_size + bytes_read;
+ }
+ else
+ {
+ printf ("DW_OP_GNU_implicit_pointer: <0x%s> %s",
+ dwarf_vmatoa ("x", byte_get (data, offset_size)),
+ dwarf_vmatoa ("d", read_sleb128 (data + offset_size,
+ &bytes_read)));
+ data += offset_size + bytes_read;
+ }
+ break;
+ case DW_OP_GNU_entry_value:
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf ("DW_OP_GNU_entry_value: (");
+ if (decode_location_expression (data, pointer_size, offset_size,
+ dwarf_version, uvalue,
+ cu_offset, section))
+ need_frame_base = 1;
+ putchar (')');
+ data += uvalue;
+ break;
+ case DW_OP_GNU_const_type:
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf ("DW_OP_GNU_const_type: <0x%s> ",
+ dwarf_vmatoa ("x", cu_offset + uvalue));
+ uvalue = byte_get (data++, 1);
+ display_block (data, uvalue);
+ data += uvalue;
+ break;
+ case DW_OP_GNU_regval_type:
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf ("DW_OP_GNU_regval_type: %s (%s)",
+ dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
+ break;
+ case DW_OP_GNU_deref_type:
+ printf ("DW_OP_GNU_deref_type: %ld", (long) byte_get (data++, 1));
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
+ break;
+ case DW_OP_GNU_convert:
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf ("DW_OP_GNU_convert <0x%s>",
+ dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
+ break;
+ case DW_OP_GNU_reinterpret:
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf ("DW_OP_GNU_reinterpret <0x%s>",
+ dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
+ break;
+ case DW_OP_GNU_parameter_ref:
+ printf ("DW_OP_GNU_parameter_ref: <0x%s>",
+ dwarf_vmatoa ("x", cu_offset + byte_get (data, 4)));
+ data += 4;
+ break;
+ case DW_OP_GNU_addr_index:
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue));
+ break;
+ case DW_OP_GNU_const_index:
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue));
+ break;
/* HP extensions. */
case DW_OP_HP_is_value:
/* FIXME: Is there data associated with this OP ? */
break;
+ /* PGI (STMicroelectronics) extensions. */
+ case DW_OP_PGI_omp_thread_num:
+ /* Pushes the thread number for the current thread as it would be
+ returned by the standard OpenMP library function:
+ omp_get_thread_num(). The "current thread" is the thread for
+ which the expression is being evaluated. */
+ printf ("DW_OP_PGI_omp_thread_num");
+ break;
+
default:
if (op >= DW_OP_lo_user
&& op <= DW_OP_hi_user)
}
static unsigned char *
-read_and_display_attr_value (unsigned long attribute,
- unsigned long form,
+read_and_display_attr_value (unsigned long attribute,
+ unsigned long form,
unsigned char * data,
- unsigned long cu_offset,
- unsigned long pointer_size,
- unsigned long offset_size,
- int dwarf_version,
- debug_info * debug_info_p,
- int do_loc,
- unsigned char * section_start)
-{
- unsigned long uvalue = 0;
+ dwarf_vma cu_offset,
+ dwarf_vma pointer_size,
+ dwarf_vma offset_size,
+ int dwarf_version,
+ debug_info * debug_info_p,
+ int do_loc,
+ struct dwarf_section * section)
+{
+ dwarf_vma uvalue = 0;
unsigned char *block_start = NULL;
+ unsigned char * orig_data = data;
unsigned int bytes_read;
switch (form)
uvalue = byte_get (data, pointer_size);
data += pointer_size;
}
- else if (dwarf_version == 3)
+ else if (dwarf_version == 3 || dwarf_version == 4)
{
uvalue = byte_get (data, offset_size);
data += offset_size;
}
else
- {
- error (_("Internal error: DWARF version is not 2 or 3.\n"));
- }
+ error (_("Internal error: DWARF version is not 2, 3 or 4.\n"));
+
break;
case DW_FORM_addr:
break;
case DW_FORM_strp:
+ case DW_FORM_sec_offset:
+ case DW_FORM_GNU_ref_alt:
+ case DW_FORM_GNU_strp_alt:
uvalue = byte_get (data, offset_size);
data += offset_size;
break;
+ case DW_FORM_flag_present:
+ uvalue = 1;
+ break;
+
case DW_FORM_ref1:
case DW_FORM_flag:
case DW_FORM_data1:
data += bytes_read;
break;
+ case DW_FORM_GNU_str_index:
+ uvalue = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ break;
+
case DW_FORM_ref_udata:
case DW_FORM_udata:
uvalue = read_leb128 (data, & bytes_read, 0);
cu_offset, pointer_size,
offset_size, dwarf_version,
debug_info_p, do_loc,
- section_start);
+ section);
+ case DW_FORM_GNU_addr_index:
+ uvalue = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ break;
}
switch (form)
{
case DW_FORM_ref_addr:
if (!do_loc)
- printf (" <0x%lx>", uvalue);
+ printf (" <0x%s>", dwarf_vmatoa ("x",uvalue));
+ break;
+
+ case DW_FORM_GNU_ref_alt:
+ if (!do_loc)
+ printf (" <alt 0x%s>", dwarf_vmatoa ("x",uvalue));
break;
case DW_FORM_ref1:
case DW_FORM_ref4:
case DW_FORM_ref_udata:
if (!do_loc)
- printf (" <0x%lx>", uvalue + cu_offset);
+ printf (" <0x%s>", 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%lx", uvalue);
+ printf (" 0x%s", dwarf_vmatoa ("x", uvalue));
break;
+ case DW_FORM_flag_present:
case DW_FORM_flag:
case DW_FORM_data1:
case DW_FORM_data2:
case DW_FORM_sdata:
case DW_FORM_udata:
if (!do_loc)
- printf (" %ld", uvalue);
+ printf (" %s", dwarf_vmatoa ("d", uvalue));
break;
case DW_FORM_ref8:
case DW_FORM_data8:
if (!do_loc)
{
- uvalue = byte_get (data, 4);
- printf (" 0x%lx", uvalue);
- printf (" 0x%lx", (unsigned long) byte_get (data + 4, 4));
+ dwarf_vma high_bits;
+ char buf[64];
+
+ byte_get_64 (data, &high_bits, &uvalue);
+ printf (" 0x%s",
+ dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf)));
}
if ((do_loc || do_debug_loc || do_debug_ranges)
&& num_debug_info_entries == 0)
if (sizeof (uvalue) == 8)
uvalue = byte_get (data, 8);
else
- error (_("DW_FORM_data8 is unsupported when sizeof (unsigned long) != 8\n"));
+ error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n"));
}
data += 8;
break;
break;
case DW_FORM_block:
+ case DW_FORM_exprloc:
uvalue = read_leb128 (data, & bytes_read, 0);
block_start = data + bytes_read;
if (do_loc)
case DW_FORM_strp:
if (!do_loc)
- printf (_(" (indirect string, offset: 0x%lx): %s"),
- uvalue, fetch_indirect_string (uvalue));
+ printf (_(" (indirect string, offset: 0x%s): %s"),
+ dwarf_vmatoa ("x", uvalue),
+ fetch_indirect_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"),
+ dwarf_vmatoa ("x", uvalue),
+ fetch_indexed_string (uvalue, offset_size, dwo));
+ }
+ break;
+
+ case DW_FORM_GNU_strp_alt:
+ if (!do_loc)
+ printf (_(" (alt indirect string, offset: 0x%s)"),
+ dwarf_vmatoa ("x", uvalue));
break;
case DW_FORM_indirect:
/* Handled above. */
break;
+ case DW_FORM_ref_sig8:
+ if (!do_loc)
+ {
+ dwarf_vma high_bits;
+ char buf[64];
+
+ byte_get_64 (data, &high_bits, &uvalue);
+ printf (" signature: 0x%s",
+ dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf)));
+ }
+ data += 8;
+ break;
+
+ case DW_FORM_GNU_addr_index:
+ if (!do_loc)
+ printf (_(" (addr_index: 0x%s): %s"),
+ dwarf_vmatoa ("x", uvalue),
+ fetch_indexed_value (uvalue * pointer_size, pointer_size));
+ break;
+
default:
warn (_("Unrecognized form: %lu\n"), form);
break;
}
if ((do_loc || do_debug_loc || do_debug_ranges)
- && num_debug_info_entries == 0)
+ && num_debug_info_entries == 0
+ && debug_info_p != NULL)
{
switch (attribute)
{
case DW_AT_segment:
case DW_AT_static_link:
case DW_AT_use_location:
- if (form == DW_FORM_data4 || form == DW_FORM_data8)
+ case DW_AT_GNU_call_site_value:
+ case DW_AT_GNU_call_site_data_value:
+ case DW_AT_GNU_call_site_target:
+ case DW_AT_GNU_call_site_target_clobbered:
+ if ((dwarf_version < 4
+ && (form == DW_FORM_data4 || form == DW_FORM_data8))
+ || form == DW_FORM_sec_offset)
{
/* Process location list. */
- unsigned int max = debug_info_p->max_loc_offsets;
+ unsigned int lmax = debug_info_p->max_loc_offsets;
unsigned int num = debug_info_p->num_loc_offsets;
- if (max == 0 || num >= max)
+ if (lmax == 0 || num >= lmax)
{
- max += 1024;
- debug_info_p->loc_offsets
- = xcrealloc (debug_info_p->loc_offsets,
- max, sizeof (*debug_info_p->loc_offsets));
- debug_info_p->have_frame_base
- = xcrealloc (debug_info_p->have_frame_base,
- max, sizeof (*debug_info_p->have_frame_base));
- debug_info_p->max_loc_offsets = max;
+ lmax += 1024;
+ debug_info_p->loc_offsets = (dwarf_vma *)
+ xcrealloc (debug_info_p->loc_offsets,
+ lmax, sizeof (*debug_info_p->loc_offsets));
+ debug_info_p->have_frame_base = (int *)
+ xcrealloc (debug_info_p->have_frame_base,
+ lmax, sizeof (*debug_info_p->have_frame_base));
+ debug_info_p->max_loc_offsets = lmax;
}
debug_info_p->loc_offsets [num] = uvalue;
debug_info_p->have_frame_base [num] = have_frame_base;
debug_info_p->base_address = uvalue;
break;
+ case DW_AT_GNU_addr_base:
+ debug_info_p->addr_base = uvalue;
+ break;
+
+ case DW_AT_GNU_ranges_base:
+ debug_info_p->ranges_base = uvalue;
+ break;
+
case DW_AT_ranges:
- if (form == DW_FORM_data4 || form == DW_FORM_data8)
+ if ((dwarf_version < 4
+ && (form == DW_FORM_data4 || form == DW_FORM_data8))
+ || form == DW_FORM_sec_offset)
{
/* Process range list. */
- unsigned int max = debug_info_p->max_range_lists;
+ unsigned int lmax = debug_info_p->max_range_lists;
unsigned int num = debug_info_p->num_range_lists;
- if (max == 0 || num >= max)
+ if (lmax == 0 || num >= lmax)
{
- max += 1024;
- debug_info_p->range_lists
- = xcrealloc (debug_info_p->range_lists,
- max, sizeof (*debug_info_p->range_lists));
- debug_info_p->max_range_lists = max;
+ lmax += 1024;
+ debug_info_p->range_lists = (dwarf_vma *)
+ xcrealloc (debug_info_p->range_lists,
+ lmax, sizeof (*debug_info_p->range_lists));
+ debug_info_p->max_range_lists = lmax;
}
debug_info_p->range_lists [num] = uvalue;
debug_info_p->num_range_lists++;
}
}
- if (do_loc)
+ if (do_loc || attribute == 0)
return data;
/* For some attributes we can display further information. */
printf (_("(declared as inline and inlined)"));
break;
default:
- printf (_(" (Unknown inline attribute value: %lx)"), uvalue);
+ printf (_(" (Unknown inline attribute value: %s)"),
+ dwarf_vmatoa ("x", uvalue));
break;
}
break;
case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break;
case DW_LANG_UPC: printf ("(Unified Parallel C)"); break;
case DW_LANG_D: printf ("(D)"); break;
+ /* DWARF 4 values. */
+ case DW_LANG_Python: printf ("(Python)"); break;
+ /* DWARF 5 values. */
+ case DW_LANG_Go: printf ("(Go)"); break;
/* MIPS extension. */
case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break;
/* UPC extension. */
case DW_LANG_Upc: printf ("(Unified Parallel C)"); break;
default:
if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user)
- printf ("(implementation defined: %lx)", uvalue);
+ printf (_("(implementation defined: %s)"),
+ dwarf_vmatoa ("x", uvalue));
else
- printf ("(Unknown: %lx)", uvalue);
+ printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue));
break;
}
break;
default:
if (uvalue >= DW_ATE_lo_user
&& uvalue <= DW_ATE_hi_user)
- printf ("(user defined type)");
+ printf (_("(user defined type)"));
else
- printf ("(unknown type)");
+ printf (_("(unknown type)"));
break;
}
break;
case DW_ACCESS_protected: printf ("(protected)"); break;
case DW_ACCESS_private: printf ("(private)"); break;
default:
- printf ("(unknown accessibility)");
+ printf (_("(unknown accessibility)"));
break;
}
break;
case DW_VIS_local: printf ("(local)"); break;
case DW_VIS_exported: printf ("(exported)"); break;
case DW_VIS_qualified: printf ("(qualified)"); break;
- default: printf ("(unknown visibility)"); break;
+ default: printf (_("(unknown visibility)")); break;
}
break;
case DW_VIRTUALITY_none: printf ("(none)"); break;
case DW_VIRTUALITY_virtual: printf ("(virtual)"); break;
case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break;
- default: printf ("(unknown virtuality)"); break;
+ default: printf (_("(unknown virtuality)")); break;
}
break;
case DW_ID_up_case: printf ("(up_case)"); break;
case DW_ID_down_case: printf ("(down_case)"); break;
case DW_ID_case_insensitive: printf ("(case_insensitive)"); break;
- default: printf ("(unknown case)"); break;
+ default: printf (_("(unknown case)")); break;
}
break;
default:
if (uvalue >= DW_CC_lo_user
&& uvalue <= DW_CC_hi_user)
- printf ("(user defined)");
+ printf (_("(user defined)"));
else
- printf ("(unknown convention)");
+ printf (_("(unknown convention)"));
}
break;
case DW_AT_ordering:
switch (uvalue)
{
- case -1: printf ("(undefined)"); break;
+ case -1: printf (_("(undefined)")); break;
case 0: printf ("(row major)"); break;
case 1: printf ("(column major)"); break;
}
case DW_AT_segment:
case DW_AT_static_link:
case DW_AT_use_location:
- if (form == DW_FORM_data4 || form == DW_FORM_data8)
+ case DW_AT_GNU_call_site_value:
+ case DW_AT_GNU_call_site_data_value:
+ case DW_AT_GNU_call_site_target:
+ case DW_AT_GNU_call_site_target_clobbered:
+ if ((dwarf_version < 4
+ && (form == DW_FORM_data4 || form == DW_FORM_data8))
+ || form == DW_FORM_sec_offset)
printf (_("(location list)"));
/* Fall through. */
case DW_AT_allocated:
case DW_AT_data_location:
case DW_AT_stride:
case DW_AT_upper_bound:
- case DW_AT_lower_bound:
+ case DW_AT_lower_bound:
if (block_start)
{
int need_frame_base;
printf ("(");
need_frame_base = decode_location_expression (block_start,
pointer_size,
+ offset_size,
+ dwarf_version,
uvalue,
- cu_offset);
+ cu_offset, section);
printf (")");
if (need_frame_base && !have_frame_base)
printf (_(" [without DW_AT_frame_base]"));
case DW_AT_import:
{
- unsigned long abbrev_number;
- abbrev_entry * entry;
+ if (form == DW_FORM_ref_sig8
+ || form == DW_FORM_GNU_ref_alt)
+ break;
if (form == DW_FORM_ref1
|| form == DW_FORM_ref2
- || form == DW_FORM_ref4)
+ || form == DW_FORM_ref4
+ || form == DW_FORM_ref_udata)
uvalue += cu_offset;
- abbrev_number = read_leb128 (section_start + uvalue, NULL, 0);
-
- printf ("[Abbrev Number: %ld", abbrev_number);
- for (entry = first_abbrev; entry != NULL; entry = entry->next)
- if (entry->entry == abbrev_number)
- break;
- if (entry != NULL)
- printf (" (%s)", get_TAG_name (entry->tag));
- printf ("]");
+ if (uvalue >= section->size)
+ warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset %lx is too big.\n"),
+ dwarf_vmatoa ("x", uvalue),
+ (unsigned long) (orig_data - section->start));
+ else
+ {
+ unsigned long abbrev_number;
+ abbrev_entry * entry;
+
+ abbrev_number = read_leb128 (section->start + uvalue, NULL, 0);
+
+ printf (_("[Abbrev Number: %ld"), abbrev_number);
+ /* Don't look up abbrev for DW_FORM_ref_addr, as it very often will
+ use different abbrev table, and we don't track .debug_info chunks
+ yet. */
+ if (form != DW_FORM_ref_addr)
+ {
+ for (entry = first_abbrev; entry != NULL; entry = entry->next)
+ if (entry->entry == abbrev_number)
+ break;
+ if (entry != NULL)
+ printf (" (%s)", get_TAG_name (entry->tag));
+ }
+ printf ("]");
+ }
}
break;
return data;
}
-static char *
+static const char *
get_AT_name (unsigned long attribute)
{
- switch (attribute)
- {
- case DW_AT_sibling: return "DW_AT_sibling";
- case DW_AT_location: return "DW_AT_location";
- case DW_AT_name: return "DW_AT_name";
- case DW_AT_ordering: return "DW_AT_ordering";
- case DW_AT_subscr_data: return "DW_AT_subscr_data";
- case DW_AT_byte_size: return "DW_AT_byte_size";
- case DW_AT_bit_offset: return "DW_AT_bit_offset";
- case DW_AT_bit_size: return "DW_AT_bit_size";
- case DW_AT_element_list: return "DW_AT_element_list";
- case DW_AT_stmt_list: return "DW_AT_stmt_list";
- case DW_AT_low_pc: return "DW_AT_low_pc";
- case DW_AT_high_pc: return "DW_AT_high_pc";
- case DW_AT_language: return "DW_AT_language";
- case DW_AT_member: return "DW_AT_member";
- case DW_AT_discr: return "DW_AT_discr";
- case DW_AT_discr_value: return "DW_AT_discr_value";
- case DW_AT_visibility: return "DW_AT_visibility";
- case DW_AT_import: return "DW_AT_import";
- case DW_AT_string_length: return "DW_AT_string_length";
- case DW_AT_common_reference: return "DW_AT_common_reference";
- case DW_AT_comp_dir: return "DW_AT_comp_dir";
- case DW_AT_const_value: return "DW_AT_const_value";
- case DW_AT_containing_type: return "DW_AT_containing_type";
- case DW_AT_default_value: return "DW_AT_default_value";
- case DW_AT_inline: return "DW_AT_inline";
- case DW_AT_is_optional: return "DW_AT_is_optional";
- case DW_AT_lower_bound: return "DW_AT_lower_bound";
- case DW_AT_producer: return "DW_AT_producer";
- case DW_AT_prototyped: return "DW_AT_prototyped";
- case DW_AT_return_addr: return "DW_AT_return_addr";
- case DW_AT_start_scope: return "DW_AT_start_scope";
- case DW_AT_stride_size: return "DW_AT_stride_size";
- case DW_AT_upper_bound: return "DW_AT_upper_bound";
- case DW_AT_abstract_origin: return "DW_AT_abstract_origin";
- case DW_AT_accessibility: return "DW_AT_accessibility";
- case DW_AT_address_class: return "DW_AT_address_class";
- case DW_AT_artificial: return "DW_AT_artificial";
- case DW_AT_base_types: return "DW_AT_base_types";
- case DW_AT_calling_convention: return "DW_AT_calling_convention";
- case DW_AT_count: return "DW_AT_count";
- case DW_AT_data_member_location: return "DW_AT_data_member_location";
- case DW_AT_decl_column: return "DW_AT_decl_column";
- case DW_AT_decl_file: return "DW_AT_decl_file";
- case DW_AT_decl_line: return "DW_AT_decl_line";
- case DW_AT_declaration: return "DW_AT_declaration";
- case DW_AT_discr_list: return "DW_AT_discr_list";
- case DW_AT_encoding: return "DW_AT_encoding";
- case DW_AT_external: return "DW_AT_external";
- case DW_AT_frame_base: return "DW_AT_frame_base";
- case DW_AT_friend: return "DW_AT_friend";
- case DW_AT_identifier_case: return "DW_AT_identifier_case";
- case DW_AT_macro_info: return "DW_AT_macro_info";
- case DW_AT_namelist_items: return "DW_AT_namelist_items";
- case DW_AT_priority: return "DW_AT_priority";
- case DW_AT_segment: return "DW_AT_segment";
- case DW_AT_specification: return "DW_AT_specification";
- case DW_AT_static_link: return "DW_AT_static_link";
- case DW_AT_type: return "DW_AT_type";
- case DW_AT_use_location: return "DW_AT_use_location";
- case DW_AT_variable_parameter: return "DW_AT_variable_parameter";
- case DW_AT_virtuality: return "DW_AT_virtuality";
- case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location";
- /* DWARF 2.1 values. */
- case DW_AT_allocated: return "DW_AT_allocated";
- case DW_AT_associated: return "DW_AT_associated";
- case DW_AT_data_location: return "DW_AT_data_location";
- case DW_AT_stride: return "DW_AT_stride";
- case DW_AT_entry_pc: return "DW_AT_entry_pc";
- case DW_AT_use_UTF8: return "DW_AT_use_UTF8";
- case DW_AT_extension: return "DW_AT_extension";
- case DW_AT_ranges: return "DW_AT_ranges";
- case DW_AT_trampoline: return "DW_AT_trampoline";
- case DW_AT_call_column: return "DW_AT_call_column";
- case DW_AT_call_file: return "DW_AT_call_file";
- case DW_AT_call_line: return "DW_AT_call_line";
- case DW_AT_description: return "DW_AT_description";
- case DW_AT_binary_scale: return "DW_AT_binary_scale";
- case DW_AT_decimal_scale: return "DW_AT_decimal_scale";
- case DW_AT_small: return "DW_AT_small";
- case DW_AT_decimal_sign: return "DW_AT_decimal_sign";
- case DW_AT_digit_count: return "DW_AT_digit_count";
- case DW_AT_picture_string: return "DW_AT_picture_string";
- case DW_AT_mutable: return "DW_AT_mutable";
- case DW_AT_threads_scaled: return "DW_AT_threads_scaled";
- case DW_AT_explicit: return "DW_AT_explicit";
- case DW_AT_object_pointer: return "DW_AT_object_pointer";
- case DW_AT_endianity: return "DW_AT_endianity";
- case DW_AT_elemental: return "DW_AT_elemental";
- case DW_AT_pure: return "DW_AT_pure";
- case DW_AT_recursive: return "DW_AT_recursive";
-
- /* HP and SGI/MIPS extensions. */
- case DW_AT_MIPS_loop_begin: return "DW_AT_MIPS_loop_begin";
- case DW_AT_MIPS_tail_loop_begin: return "DW_AT_MIPS_tail_loop_begin";
- case DW_AT_MIPS_epilog_begin: return "DW_AT_MIPS_epilog_begin";
- case DW_AT_MIPS_loop_unroll_factor: return "DW_AT_MIPS_loop_unroll_factor";
- case DW_AT_MIPS_software_pipeline_depth: return "DW_AT_MIPS_software_pipeline_depth";
- case DW_AT_MIPS_linkage_name: return "DW_AT_MIPS_linkage_name";
- case DW_AT_MIPS_stride: return "DW_AT_MIPS_stride";
- case DW_AT_MIPS_abstract_name: return "DW_AT_MIPS_abstract_name";
- case DW_AT_MIPS_clone_origin: return "DW_AT_MIPS_clone_origin";
- case DW_AT_MIPS_has_inlines: return "DW_AT_MIPS_has_inlines";
-
- /* HP Extensions. */
- case DW_AT_HP_block_index: return "DW_AT_HP_block_index";
- case DW_AT_HP_actuals_stmt_list: return "DW_AT_HP_actuals_stmt_list";
- case DW_AT_HP_proc_per_section: return "DW_AT_HP_proc_per_section";
- case DW_AT_HP_raw_data_ptr: return "DW_AT_HP_raw_data_ptr";
- case DW_AT_HP_pass_by_reference: return "DW_AT_HP_pass_by_reference";
- case DW_AT_HP_opt_level: return "DW_AT_HP_opt_level";
- case DW_AT_HP_prof_version_id: return "DW_AT_HP_prof_version_id";
- case DW_AT_HP_opt_flags: return "DW_AT_HP_opt_flags";
- case DW_AT_HP_cold_region_low_pc: return "DW_AT_HP_cold_region_low_pc";
- case DW_AT_HP_cold_region_high_pc: return "DW_AT_HP_cold_region_high_pc";
- case DW_AT_HP_all_variables_modifiable: return "DW_AT_HP_all_variables_modifiable";
- case DW_AT_HP_linkage_name: return "DW_AT_HP_linkage_name";
- case DW_AT_HP_prof_flags: return "DW_AT_HP_prof_flags";
-
- /* One value is shared by the MIPS and HP extensions: */
- case DW_AT_MIPS_fde: return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable";
-
- /* GNU extensions. */
- case DW_AT_sf_names: return "DW_AT_sf_names";
- case DW_AT_src_info: return "DW_AT_src_info";
- case DW_AT_mac_info: return "DW_AT_mac_info";
- case DW_AT_src_coords: return "DW_AT_src_coords";
- case DW_AT_body_begin: return "DW_AT_body_begin";
- case DW_AT_body_end: return "DW_AT_body_end";
- case DW_AT_GNU_vector: return "DW_AT_GNU_vector";
-
- /* UPC extension. */
- case DW_AT_upc_threads_scaled: return "DW_AT_upc_threads_scaled";
-
- /* PGI (STMicroelectronics) extensions. */
- case DW_AT_PGI_lbase: return "DW_AT_PGI_lbase";
- case DW_AT_PGI_soffset: return "DW_AT_PGI_soffset";
- case DW_AT_PGI_lstride: return "DW_AT_PGI_lstride";
+ const char *name;
- default:
- {
- static char buffer[100];
+ if (attribute == 0)
+ return "DW_AT value: 0";
- snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"),
- attribute);
- return buffer;
- }
+ /* One value is shared by the MIPS and HP extensions: */
+ if (attribute == DW_AT_MIPS_fde)
+ return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable";
+
+ name = get_DW_AT_name (attribute);
+
+ if (name == NULL)
+ {
+ static char buffer[100];
+
+ snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"),
+ attribute);
+ return buffer;
}
+
+ return name;
}
static unsigned char *
-read_and_display_attr (unsigned long attribute,
- unsigned long form,
+read_and_display_attr (unsigned long attribute,
+ unsigned long form,
unsigned char * data,
- unsigned long cu_offset,
- unsigned long pointer_size,
- unsigned long offset_size,
- int dwarf_version,
- debug_info * debug_info_p,
- int do_loc,
- unsigned char * section_start)
+ dwarf_vma cu_offset,
+ dwarf_vma pointer_size,
+ dwarf_vma offset_size,
+ int dwarf_version,
+ debug_info * debug_info_p,
+ int do_loc,
+ struct dwarf_section * section)
{
if (!do_loc)
printf (" %-18s:", get_AT_name (attribute));
data = read_and_display_attr_value (attribute, form, data, cu_offset,
pointer_size, offset_size,
dwarf_version, debug_info_p,
- do_loc, section_start);
+ do_loc, section);
if (!do_loc)
printf ("\n");
return data;
/* Process the contents of a .debug_info section. If do_loc is non-zero
then we are scanning for location lists and we do not want to display
- anything to the user. */
+ anything to the user. If do_types is non-zero, we are processing
+ a .debug_types section instead of a .debug_info section. */
static int
-process_debug_info (struct dwarf_section *section, void *file,
- int do_loc)
+process_debug_info (struct dwarf_section *section,
+ void *file,
+ enum dwarf_section_display_enum abbrev_sec,
+ int do_loc,
+ int do_types)
{
unsigned char *start = section->start;
unsigned char *end = start + section->size;
unsigned int num_units = 0;
if ((do_loc || do_debug_loc || do_debug_ranges)
- && num_debug_info_entries == 0)
+ && num_debug_info_entries == 0
+ && ! do_types)
{
- unsigned long length;
+ dwarf_vma length;
/* First scan the section to get the number of comp units. */
for (section_begin = start, num_units = 0; section_begin < end;
}
else if (length >= 0xfffffff0 && length < 0xffffffff)
{
- warn (_("Reserved length value (%lx) found in section %s\n"), length, section->name);
+ warn (_("Reserved length value (0x%s) found in section %s\n"),
+ dwarf_vmatoa ("x", length), section->name);
return 0;
}
else
relocations to an object file. */
if ((signed long) length <= 0)
{
- warn (_("Corrupt unit length (%lx) found in section %s\n"), length, section->name);
+ warn (_("Corrupt unit length (0x%s) found in section %s\n"),
+ dwarf_vmatoa ("x", length), section->name);
return 0;
}
}
}
/* Then allocate an array to hold the information. */
- debug_information = cmalloc (num_units,
- sizeof (* debug_information));
+ debug_information = (debug_info *) cmalloc (num_units,
+ sizeof (* debug_information));
if (debug_information == NULL)
{
error (_("Not enough memory for a debug info array of %u entries"),
if (!do_loc)
{
- printf (_("The section %s contains:\n\n"), section->name);
+ if (dwarf_start_die == 0)
+ printf (_("Contents of the %s section:\n\n"), section->name);
load_debug_section (str, file);
+ load_debug_section (str_dwo, file);
+ load_debug_section (str_index, file);
+ load_debug_section (str_index_dwo, file);
+ load_debug_section (debug_addr, file);
}
- load_debug_section (abbrev, file);
- if (debug_displays [abbrev].section.start == NULL)
+ load_debug_section (abbrev_sec, file);
+ if (debug_displays [abbrev_sec].section.start == NULL)
{
warn (_("Unable to locate %s section!\n"),
- debug_displays [abbrev].section.name);
+ debug_displays [abbrev_sec].section.name);
return 0;
}
{
DWARF2_Internal_CompUnit compunit;
unsigned char *hdrptr;
- unsigned char *cu_abbrev_offset_ptr;
unsigned char *tags;
- int level;
- unsigned long cu_offset;
+ int level, last_level, saved_level;
+ dwarf_vma cu_offset;
int offset_size;
int initial_length_size;
+ dwarf_vma signature_high = 0;
+ dwarf_vma signature_low = 0;
+ dwarf_vma type_offset = 0;
hdrptr = start;
cu_offset = start - section_begin;
- cu_abbrev_offset_ptr = hdrptr;
compunit.cu_abbrev_offset = byte_get (hdrptr, offset_size);
hdrptr += offset_size;
compunit.cu_pointer_size = byte_get (hdrptr, 1);
hdrptr += 1;
+
+ if (do_types)
+ {
+ byte_get_64 (hdrptr, &signature_high, &signature_low);
+ hdrptr += 8;
+ type_offset = byte_get (hdrptr, offset_size);
+ hdrptr += offset_size;
+ }
+
if ((do_loc || do_debug_loc || do_debug_ranges)
- && num_debug_info_entries == 0)
+ && num_debug_info_entries == 0
+ && ! do_types)
{
debug_information [unit].cu_offset = cu_offset;
debug_information [unit].pointer_size
= compunit.cu_pointer_size;
+ debug_information [unit].offset_size = offset_size;
+ debug_information [unit].dwarf_version = compunit.cu_version;
debug_information [unit].base_address = 0;
+ debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE;
+ debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE;
debug_information [unit].loc_offsets = NULL;
debug_information [unit].have_frame_base = NULL;
debug_information [unit].max_loc_offsets = 0;
debug_information [unit].num_range_lists = 0;
}
- if (!do_loc)
+ if (!do_loc && dwarf_start_die == 0)
{
- printf (_(" Compilation Unit @ offset 0x%lx:\n"), cu_offset);
- printf (_(" Length: 0x%lx (%s)\n"), compunit.cu_length,
- initial_length_size == 8 ? "64-bit" : "32-bit");
+ printf (_(" Compilation Unit @ offset 0x%s:\n"),
+ dwarf_vmatoa ("x", cu_offset));
+ printf (_(" Length: 0x%s (%s)\n"),
+ dwarf_vmatoa ("x", compunit.cu_length),
+ offset_size == 8 ? "64-bit" : "32-bit");
printf (_(" Version: %d\n"), compunit.cu_version);
- printf (_(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset);
+ printf (_(" Abbrev Offset: 0x%s\n"),
+ dwarf_vmatoa ("x", compunit.cu_abbrev_offset));
printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
+ if (do_types)
+ {
+ char buf[64];
+
+ printf (_(" Signature: 0x%s\n"),
+ dwarf_vmatoa64 (signature_high, signature_low,
+ buf, sizeof (buf)));
+ printf (_(" Type Offset: 0x%s\n"),
+ dwarf_vmatoa ("x", type_offset));
+ }
}
if (cu_offset + compunit.cu_length + initial_length_size
> section->size)
{
- warn (_("Debug info is corrupted, length of CU at %lx extends beyond end of section (length = %lx)\n"),
- cu_offset, compunit.cu_length);
+ warn (_("Debug info is corrupted, length of CU at %s"
+ " extends beyond end of section (length = %s)\n"),
+ dwarf_vmatoa ("x", cu_offset),
+ dwarf_vmatoa ("x", compunit.cu_length));
break;
}
tags = hdrptr;
start += compunit.cu_length + initial_length_size;
- if (compunit.cu_version != 2 && compunit.cu_version != 3)
+ if (compunit.cu_version != 2
+ && compunit.cu_version != 3
+ && compunit.cu_version != 4)
{
- warn (_("CU at offset %lx contains corrupt or unsupported version number: %d.\n"),
- cu_offset, compunit.cu_version);
+ warn (_("CU at offset %s contains corrupt or "
+ "unsupported version number: %d.\n"),
+ dwarf_vmatoa ("x", cu_offset), compunit.cu_version);
continue;
}
/* Process the abbrevs used by this compilation unit. DWARF
sections under Mach-O have non-zero addresses. */
- if (compunit.cu_abbrev_offset >= debug_displays [abbrev].section.size)
+ if (compunit.cu_abbrev_offset >= debug_displays [abbrev_sec].section.size)
warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"),
(unsigned long) compunit.cu_abbrev_offset,
- (unsigned long) debug_displays [abbrev].section.size);
+ (unsigned long) debug_displays [abbrev_sec].section.size);
else
process_abbrev_section
- ((unsigned char *) debug_displays [abbrev].section.start
- + compunit.cu_abbrev_offset - debug_displays [abbrev].section.address,
- (unsigned char *) debug_displays [abbrev].section.start
- + debug_displays [abbrev].section.size);
+ ((unsigned char *) debug_displays [abbrev_sec].section.start
+ + compunit.cu_abbrev_offset,
+ (unsigned char *) debug_displays [abbrev_sec].section.start
+ + debug_displays [abbrev_sec].section.size);
level = 0;
+ last_level = level;
+ saved_level = -1;
while (tags < start)
{
unsigned int bytes_read;
unsigned long die_offset;
abbrev_entry *entry;
abbrev_attr *attr;
+ int do_printing = 1;
die_offset = tags - section_begin;
abbrev_number = read_leb128 (tags, & bytes_read, 0);
tags += bytes_read;
- /* A null DIE marks the end of a list of siblings. */
+ /* A null DIE marks the end of a list of siblings or it may also be
+ a section padding. */
if (abbrev_number == 0)
{
+ /* Check if it can be a section padding for the last CU. */
+ if (level == 0 && start == end)
+ {
+ unsigned char *chk;
+
+ for (chk = tags; chk < start; chk++)
+ if (*chk != 0)
+ break;
+ if (chk == start)
+ break;
+ }
+
+ if (!do_loc && die_offset >= dwarf_start_die)
+ printf (_(" <%d><%lx>: Abbrev Number: 0\n"),
+ level, die_offset);
+
--level;
if (level < 0)
{
if (num_bogus_warns < 3)
{
- warn (_("Bogus end-of-siblings marker detected at offset %lx in .debug_info section\n"),
- die_offset);
+ warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"),
+ die_offset, section->name);
num_bogus_warns ++;
if (num_bogus_warns == 3)
warn (_("Further warnings about bogus end-of-sibling markers suppressed\n"));
}
}
+ if (dwarf_start_die != 0 && level < saved_level)
+ return 1;
continue;
}
if (!do_loc)
- printf (_(" <%d><%lx>: Abbrev Number: %lu"),
- level, die_offset, abbrev_number);
-
+ {
+ if (dwarf_start_die != 0 && die_offset < dwarf_start_die)
+ do_printing = 0;
+ else
+ {
+ if (dwarf_start_die != 0 && die_offset == dwarf_start_die)
+ saved_level = level;
+ do_printing = (dwarf_cutoff_level == -1
+ || level < dwarf_cutoff_level);
+ if (do_printing)
+ printf (_(" <%d><%lx>: Abbrev Number: %lu"),
+ level, die_offset, abbrev_number);
+ else if (dwarf_cutoff_level == -1
+ || last_level < dwarf_cutoff_level)
+ printf (_(" <%d><%lx>: ...\n"), level, die_offset);
+ last_level = level;
+ }
+ }
+
/* Scan through the abbreviation list until we reach the
correct entry. */
for (entry = first_abbrev;
if (entry == NULL)
{
- if (!do_loc)
+ if (!do_loc && do_printing)
{
printf ("\n");
fflush (stdout);
return 0;
}
- if (!do_loc)
- printf (_(" (%s)\n"), get_TAG_name (entry->tag));
-
+ if (!do_loc && do_printing)
+ printf (" (%s)\n", get_TAG_name (entry->tag));
+
switch (entry->tag)
{
default:
break;
}
- for (attr = entry->first_attr; attr; attr = attr->next)
+ for (attr = entry->first_attr;
+ attr && attr->attribute;
+ attr = attr->next)
{
- if (! do_loc)
+ debug_info *arg;
+
+ if (! do_loc && do_printing)
/* Show the offset from where the tag was extracted. */
- printf (" <%2lx>", (unsigned long)(tags - section_begin));
+ printf (" <%lx>", (unsigned long)(tags - section_begin));
+
+ arg = debug_information;
+ if (debug_information)
+ arg += unit;
tags = read_and_display_attr (attr->attribute,
attr->form,
compunit.cu_pointer_size,
offset_size,
compunit.cu_version,
- debug_information + unit,
- do_loc, section->start);
+ arg,
+ do_loc || ! do_printing, section);
}
-
+
if (entry->children)
++level;
}
}
-
+
/* Set num_debug_info_entries here so that it can be used to check if
we need to process .debug_loc and .debug_ranges sections. */
if ((do_loc || do_debug_loc || do_debug_ranges)
- && num_debug_info_entries == 0)
+ && num_debug_info_entries == 0
+ && ! do_types)
num_debug_info_entries = num_units;
-
+
if (!do_loc)
- {
- printf ("\n");
- }
-
+ printf ("\n");
+
return 1;
}
warned_about_missing_comp_units = FALSE;
/* If we have already tried and failed to load the .debug_info
- section then do not bother to repear the task. */
+ section then do not bother to repeat the task. */
if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
return 0;
return num_debug_info_entries;
if (load_debug_section (info, file)
- && process_debug_info (&debug_displays [info].section, file, 1))
+ && process_debug_info (&debug_displays [info].section, file, abbrev, 1, 0))
+ return num_debug_info_entries;
+ else if (load_debug_section (info_dwo, file)
+ && process_debug_info (&debug_displays [info_dwo].section, file,
+ abbrev_dwo, 1, 0))
return num_debug_info_entries;
num_debug_info_entries = DEBUG_INFO_UNAVAILABLE;
}
static int
-display_debug_lines (struct dwarf_section *section, void *file)
+display_debug_lines_raw (struct dwarf_section *section,
+ unsigned char *data,
+ unsigned char *end)
{
unsigned char *start = section->start;
- unsigned char *data = start;
- unsigned char *end = start + section->size;
- printf (_("\nDump of debug contents of section %s:\n\n"),
- section->name);
-
- if (load_debug_info (file) == 0)
- {
- warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
- section->name);
- return 0;
- }
+ printf (_("Raw dump of debug contents of section %s:\n\n"),
+ section->name);
while (data < end)
{
- DWARF2_Internal_LineInfo info;
+ DWARF2_Internal_LineInfo linfo;
unsigned char *standard_opcodes;
unsigned char *end_of_sequence;
unsigned char *hdrptr;
hdroff = hdrptr - start;
/* Check the length of the block. */
- info.li_length = byte_get (hdrptr, 4);
+ linfo.li_length = byte_get (hdrptr, 4);
hdrptr += 4;
- if (info.li_length == 0xffffffff)
+ if (linfo.li_length == 0xffffffff)
{
/* This section is 64-bit DWARF 3. */
- info.li_length = byte_get (hdrptr, 8);
+ linfo.li_length = byte_get (hdrptr, 8);
hdrptr += 8;
offset_size = 8;
initial_length_size = 12;
initial_length_size = 4;
}
- if (info.li_length + initial_length_size > section->size)
+ if (linfo.li_length + initial_length_size > section->size)
{
warn
- (_("The line info appears to be corrupt - the section is too small\n"));
+ (_("The information in section %s appears to be corrupt - the section is too small\n"),
+ section->name);
return 0;
}
/* Check its version number. */
- info.li_version = byte_get (hdrptr, 2);
+ linfo.li_version = byte_get (hdrptr, 2);
hdrptr += 2;
- if (info.li_version != 2 && info.li_version != 3)
+ if (linfo.li_version != 2
+ && linfo.li_version != 3
+ && linfo.li_version != 4)
{
- warn (_("Only DWARF version 2 and 3 line info is currently supported.\n"));
+ warn (_("Only DWARF version 2, 3 and 4 line info is currently supported.\n"));
return 0;
}
- info.li_prologue_length = byte_get (hdrptr, offset_size);
+ linfo.li_prologue_length = byte_get (hdrptr, offset_size);
hdrptr += offset_size;
- info.li_min_insn_length = byte_get (hdrptr, 1);
- hdrptr++;
- info.li_default_is_stmt = byte_get (hdrptr, 1);
+ linfo.li_min_insn_length = byte_get (hdrptr, 1);
hdrptr++;
- info.li_line_base = byte_get (hdrptr, 1);
- hdrptr++;
- info.li_line_range = byte_get (hdrptr, 1);
- hdrptr++;
- info.li_opcode_base = byte_get (hdrptr, 1);
- hdrptr++;
-
+ if (linfo.li_version >= 4)
+ {
+ linfo.li_max_ops_per_insn = byte_get (hdrptr, 1);
+ hdrptr++;
+ if (linfo.li_max_ops_per_insn == 0)
+ {
+ warn (_("Invalid maximum operations per insn.\n"));
+ return 0;
+ }
+ }
+ else
+ linfo.li_max_ops_per_insn = 1;
+ linfo.li_default_is_stmt = byte_get (hdrptr, 1);
+ hdrptr++;
+ linfo.li_line_base = byte_get (hdrptr, 1);
+ hdrptr++;
+ linfo.li_line_range = byte_get (hdrptr, 1);
+ hdrptr++;
+ linfo.li_opcode_base = byte_get (hdrptr, 1);
+ hdrptr++;
+
/* Sign extend the line base field. */
- info.li_line_base <<= 24;
- info.li_line_base >>= 24;
+ linfo.li_line_base <<= 24;
+ linfo.li_line_base >>= 24;
printf (_(" Offset: 0x%lx\n"), hdroff);
- printf (_(" Length: %ld\n"), info.li_length);
- printf (_(" DWARF Version: %d\n"), info.li_version);
- printf (_(" Prologue Length: %d\n"), info.li_prologue_length);
- printf (_(" Minimum Instruction Length: %d\n"), info.li_min_insn_length);
- printf (_(" Initial value of 'is_stmt': %d\n"), info.li_default_is_stmt);
- printf (_(" Line Base: %d\n"), info.li_line_base);
- printf (_(" Line Range: %d\n"), info.li_line_range);
- printf (_(" Opcode Base: %d\n"), info.li_opcode_base);
+ printf (_(" Length: %ld\n"), (long) linfo.li_length);
+ printf (_(" DWARF Version: %d\n"), linfo.li_version);
+ printf (_(" Prologue Length: %d\n"), linfo.li_prologue_length);
+ printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length);
+ if (linfo.li_version >= 4)
+ printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn);
+ printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt);
+ printf (_(" Line Base: %d\n"), linfo.li_line_base);
+ printf (_(" Line Range: %d\n"), linfo.li_line_range);
+ printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base);
- end_of_sequence = data + info.li_length + initial_length_size;
+ end_of_sequence = data + linfo.li_length + initial_length_size;
- reset_state_machine (info.li_default_is_stmt);
+ reset_state_machine (linfo.li_default_is_stmt);
/* Display the contents of the Opcodes table. */
standard_opcodes = hdrptr;
printf (_("\n Opcodes:\n"));
- for (i = 1; i < info.li_opcode_base; i++)
+ for (i = 1; i < linfo.li_opcode_base; i++)
printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]);
/* Display the contents of the Directory table. */
- data = standard_opcodes + info.li_opcode_base - 1;
+ data = standard_opcodes + linfo.li_opcode_base - 1;
if (*data == 0)
printf (_("\n The Directory Table is empty.\n"));
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 ("%s\t",
+ dwarf_vmatoa ("u", read_leb128 (data, & bytes_read, 0)));
data += bytes_read;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ printf ("%s\t",
+ dwarf_vmatoa ("u", read_leb128 (data, & bytes_read, 0)));
data += bytes_read;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ printf ("%s\t",
+ dwarf_vmatoa ("u", read_leb128 (data, & bytes_read, 0)));
data += bytes_read;
- printf (_("%s\n"), name);
+ printf ("%s\n", name);
}
}
while (data < end_of_sequence)
{
unsigned char op_code;
- int adv;
- unsigned long int uladv;
+ dwarf_signed_vma adv;
+ dwarf_vma uladv;
unsigned int bytes_read;
op_code = *data++;
- if (op_code >= info.li_opcode_base)
+ if (op_code >= linfo.li_opcode_base)
{
- op_code -= info.li_opcode_base;
- uladv = (op_code / info.li_line_range) * info.li_min_insn_length;
- state_machine_regs.address += uladv;
- printf (_(" Special opcode %d: advance Address by %lu to 0x%lx"),
- op_code, uladv, state_machine_regs.address);
- adv = (op_code % info.li_line_range) + info.li_line_base;
+ op_code -= linfo.li_opcode_base;
+ uladv = (op_code / linfo.li_line_range);
+ if (linfo.li_max_ops_per_insn == 1)
+ {
+ uladv *= linfo.li_min_insn_length;
+ state_machine_regs.address += uladv;
+ printf (_(" Special opcode %d: "
+ "advance Address by %s to 0x%s"),
+ op_code, dwarf_vmatoa ("u", uladv),
+ dwarf_vmatoa ("x", state_machine_regs.address));
+ }
+ else
+ {
+ state_machine_regs.address
+ += ((state_machine_regs.op_index + uladv)
+ / linfo.li_max_ops_per_insn)
+ * linfo.li_min_insn_length;
+ state_machine_regs.op_index
+ = (state_machine_regs.op_index + uladv)
+ % linfo.li_max_ops_per_insn;
+ printf (_(" Special opcode %d: "
+ "advance Address by %s to 0x%s[%d]"),
+ op_code, dwarf_vmatoa ("u", uladv),
+ dwarf_vmatoa ("x", state_machine_regs.address),
+ state_machine_regs.op_index);
+ }
+ adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
state_machine_regs.line += adv;
- printf (_(" and Line by %d to %d\n"),
- adv, state_machine_regs.line);
+ printf (_(" and Line by %s to %d\n"),
+ dwarf_vmatoa ("d", adv), state_machine_regs.line);
}
else switch (op_code)
{
case DW_LNS_extended_op:
- data += process_extended_line_op (data, info.li_default_is_stmt);
+ data += process_extended_line_op (data, linfo.li_default_is_stmt);
break;
case DW_LNS_copy:
case DW_LNS_advance_pc:
uladv = read_leb128 (data, & bytes_read, 0);
- uladv *= info.li_min_insn_length;
data += bytes_read;
- state_machine_regs.address += uladv;
- printf (_(" Advance PC by %lu to 0x%lx\n"), uladv,
- state_machine_regs.address);
+ if (linfo.li_max_ops_per_insn == 1)
+ {
+ uladv *= linfo.li_min_insn_length;
+ state_machine_regs.address += uladv;
+ printf (_(" Advance PC by %s to 0x%s\n"),
+ dwarf_vmatoa ("u", uladv),
+ dwarf_vmatoa ("x", state_machine_regs.address));
+ }
+ else
+ {
+ state_machine_regs.address
+ += ((state_machine_regs.op_index + uladv)
+ / linfo.li_max_ops_per_insn)
+ * linfo.li_min_insn_length;
+ state_machine_regs.op_index
+ = (state_machine_regs.op_index + uladv)
+ % linfo.li_max_ops_per_insn;
+ printf (_(" Advance PC by %s to 0x%s[%d]\n"),
+ dwarf_vmatoa ("u", uladv),
+ dwarf_vmatoa ("x", state_machine_regs.address),
+ state_machine_regs.op_index);
+ }
break;
case DW_LNS_advance_line:
- adv = read_leb128 (data, & bytes_read, 1);
+ adv = read_sleb128 (data, & bytes_read);
data += bytes_read;
state_machine_regs.line += adv;
- printf (_(" Advance Line by %d to %d\n"), adv,
- state_machine_regs.line);
+ printf (_(" Advance Line by %s to %d\n"),
+ dwarf_vmatoa ("d", adv),
+ state_machine_regs.line);
break;
case DW_LNS_set_file:
adv = read_leb128 (data, & bytes_read, 0);
data += bytes_read;
- printf (_(" Set File Name to entry %d in the File Name Table\n"),
- adv);
+ printf (_(" Set File Name to entry %s in the File Name Table\n"),
+ dwarf_vmatoa ("d", adv));
state_machine_regs.file = adv;
break;
case DW_LNS_set_column:
uladv = read_leb128 (data, & bytes_read, 0);
data += bytes_read;
- printf (_(" Set column to %lu\n"), uladv);
+ printf (_(" Set column to %s\n"),
+ dwarf_vmatoa ("u", uladv));
state_machine_regs.column = uladv;
break;
case DW_LNS_negate_stmt:
adv = state_machine_regs.is_stmt;
adv = ! adv;
- printf (_(" Set is_stmt to %d\n"), adv);
+ printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv));
state_machine_regs.is_stmt = adv;
break;
break;
case DW_LNS_const_add_pc:
- uladv = (((255 - info.li_opcode_base) / info.li_line_range)
- * info.li_min_insn_length);
- state_machine_regs.address += uladv;
- printf (_(" Advance PC by constant %lu to 0x%lx\n"), uladv,
- state_machine_regs.address);
+ uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
+ if (linfo.li_max_ops_per_insn)
+ {
+ uladv *= linfo.li_min_insn_length;
+ state_machine_regs.address += uladv;
+ printf (_(" Advance PC by constant %s to 0x%s\n"),
+ dwarf_vmatoa ("u", uladv),
+ dwarf_vmatoa ("x", state_machine_regs.address));
+ }
+ else
+ {
+ state_machine_regs.address
+ += ((state_machine_regs.op_index + uladv)
+ / linfo.li_max_ops_per_insn)
+ * linfo.li_min_insn_length;
+ state_machine_regs.op_index
+ = (state_machine_regs.op_index + uladv)
+ % linfo.li_max_ops_per_insn;
+ printf (_(" Advance PC by constant %s to 0x%s[%d]\n"),
+ dwarf_vmatoa ("u", uladv),
+ dwarf_vmatoa ("x", state_machine_regs.address),
+ state_machine_regs.op_index);
+ }
break;
case DW_LNS_fixed_advance_pc:
uladv = byte_get (data, 2);
data += 2;
state_machine_regs.address += uladv;
- printf (_(" Advance PC by fixed size amount %lu to 0x%lx\n"),
- uladv, state_machine_regs.address);
+ state_machine_regs.op_index = 0;
+ printf (_(" Advance PC by fixed size amount %s to 0x%s\n"),
+ dwarf_vmatoa ("u", uladv),
+ dwarf_vmatoa ("x", state_machine_regs.address));
break;
case DW_LNS_set_prologue_end:
case DW_LNS_set_isa:
uladv = read_leb128 (data, & bytes_read, 0);
data += bytes_read;
- printf (_(" Set ISA to %lu\n"), uladv);
+ printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv));
break;
default:
for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
{
- printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0),
+ printf ("0x%s%s", dwarf_vmatoa ("x", read_leb128 (data,
+ &bytes_read, 0)),
i == 1 ? "" : ", ");
data += bytes_read;
}
return 1;
}
+typedef struct
+{
+ unsigned char *name;
+ unsigned int directory_index;
+ unsigned int modification_date;
+ unsigned int length;
+} File_Entry;
+
+/* Output a decoded representation of the .debug_line section. */
+
+static int
+display_debug_lines_decoded (struct dwarf_section *section,
+ unsigned char *data,
+ unsigned char *end)
+{
+ printf (_("Decoded dump of debug contents of section %s:\n\n"),
+ section->name);
+
+ while (data < end)
+ {
+ /* This loop amounts to one iteration per compilation unit. */
+ DWARF2_Internal_LineInfo linfo;
+ unsigned char *standard_opcodes;
+ unsigned char *end_of_sequence;
+ unsigned char *hdrptr;
+ int initial_length_size;
+ int offset_size;
+ int i;
+ File_Entry *file_table = NULL;
+ unsigned int n_files = 0;
+ unsigned char **directory_table = NULL;
+ unsigned int n_directories = 0;
+
+ hdrptr = data;
+
+ /* Extract information from the Line Number Program Header.
+ (section 6.2.4 in the Dwarf3 doc). */
+
+ /* Get the length of this CU's line number information block. */
+ linfo.li_length = byte_get (hdrptr, 4);
+ hdrptr += 4;
+
+ if (linfo.li_length == 0xffffffff)
+ {
+ /* This section is 64-bit DWARF 3. */
+ linfo.li_length = byte_get (hdrptr, 8);
+ hdrptr += 8;
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+
+ if (linfo.li_length + initial_length_size > section->size)
+ {
+ warn (_("The line info appears to be corrupt - "
+ "the section is too small\n"));
+ return 0;
+ }
+
+ /* Get this CU's Line Number Block version number. */
+ linfo.li_version = byte_get (hdrptr, 2);
+ hdrptr += 2;
+ if (linfo.li_version != 2
+ && linfo.li_version != 3
+ && linfo.li_version != 4)
+ {
+ warn (_("Only DWARF version 2, 3 and 4 line info is currently "
+ "supported.\n"));
+ return 0;
+ }
+
+ linfo.li_prologue_length = byte_get (hdrptr, offset_size);
+ hdrptr += offset_size;
+ linfo.li_min_insn_length = byte_get (hdrptr, 1);
+ hdrptr++;
+ if (linfo.li_version >= 4)
+ {
+ linfo.li_max_ops_per_insn = byte_get (hdrptr, 1);
+ hdrptr++;
+ if (linfo.li_max_ops_per_insn == 0)
+ {
+ warn (_("Invalid maximum operations per insn.\n"));
+ return 0;
+ }
+ }
+ else
+ linfo.li_max_ops_per_insn = 1;
+ linfo.li_default_is_stmt = byte_get (hdrptr, 1);
+ hdrptr++;
+ linfo.li_line_base = byte_get (hdrptr, 1);
+ hdrptr++;
+ linfo.li_line_range = byte_get (hdrptr, 1);
+ hdrptr++;
+ linfo.li_opcode_base = byte_get (hdrptr, 1);
+ hdrptr++;
+
+ /* Sign extend the line base field. */
+ linfo.li_line_base <<= 24;
+ linfo.li_line_base >>= 24;
+
+ /* Find the end of this CU's Line Number Information Block. */
+ end_of_sequence = data + linfo.li_length + initial_length_size;
+
+ reset_state_machine (linfo.li_default_is_stmt);
+
+ /* Save a pointer to the contents of the Opcodes table. */
+ standard_opcodes = hdrptr;
+
+ /* Traverse the Directory table just to count entries. */
+ data = standard_opcodes + linfo.li_opcode_base - 1;
+ if (*data != 0)
+ {
+ unsigned char *ptr_directory_table = data;
+
+ while (*data != 0)
+ {
+ data += strlen ((char *) data) + 1;
+ n_directories++;
+ }
+
+ /* 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 += strlen ((char *) ptr_directory_table) + 1;
+ i++;
+ }
+ }
+ /* Skip the NUL at the end of the table. */
+ data++;
+
+ /* Traverse the File Name table just to count the entries. */
+ if (*data != 0)
+ {
+ unsigned char *ptr_file_name_table = data;
+
+ while (*data != 0)
+ {
+ unsigned int bytes_read;
+
+ /* Skip Name, directory index, last modification time and length
+ of file. */
+ data += strlen ((char *) data) + 1;
+ read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+
+ n_files++;
+ }
+
+ /* Go through the file table again to save the strings. */
+ file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry));
+
+ i = 0;
+ while (*ptr_file_name_table != 0)
+ {
+ unsigned int bytes_read;
+
+ file_table[i].name = ptr_file_name_table;
+ ptr_file_name_table += strlen ((char *) ptr_file_name_table) + 1;
+
+ /* We are not interested in directory, time or size. */
+ file_table[i].directory_index = read_leb128 (ptr_file_name_table,
+ & bytes_read, 0);
+ ptr_file_name_table += bytes_read;
+ file_table[i].modification_date = read_leb128 (ptr_file_name_table,
+ & bytes_read, 0);
+ ptr_file_name_table += bytes_read;
+ file_table[i].length = read_leb128 (ptr_file_name_table, & bytes_read, 0);
+ ptr_file_name_table += bytes_read;
+ i++;
+ }
+ i = 0;
+
+ /* 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"));
+ }
+ else
+ {
+ unsigned int ix = file_table[0].directory_index;
+ const char *directory = ix ? (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"));
+ }
+ }
+
+ /* Skip the NUL at the end of the table. */
+ data++;
+
+ /* 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);
+ if (linfo.li_max_ops_per_insn == 1)
+ {
+ uladv *= linfo.li_min_insn_length;
+ state_machine_regs.address += uladv;
+ }
+ else
+ {
+ state_machine_regs.address
+ += ((state_machine_regs.op_index + uladv)
+ / linfo.li_max_ops_per_insn)
+ * linfo.li_min_insn_length;
+ state_machine_regs.op_index
+ = (state_machine_regs.op_index + uladv)
+ % linfo.li_max_ops_per_insn;
+ }
+
+ adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
+ state_machine_regs.line += adv;
+ is_special_opcode = 1;
+ }
+ else switch (op_code)
+ {
+ case DW_LNS_extended_op:
+ {
+ unsigned int ext_op_code_len;
+ unsigned char ext_op_code;
+ unsigned char *op_code_data = data;
+
+ ext_op_code_len = read_leb128 (op_code_data, &bytes_read, 0);
+ op_code_data += bytes_read;
+
+ if (ext_op_code_len == 0)
+ {
+ warn (_("badly formed extended line op encountered!\n"));
+ break;
+ }
+ ext_op_code_len += bytes_read;
+ ext_op_code = *op_code_data++;
+
+ switch (ext_op_code)
+ {
+ case DW_LNE_end_sequence:
+ reset_state_machine (linfo.li_default_is_stmt);
+ break;
+ case DW_LNE_set_address:
+ state_machine_regs.address =
+ byte_get (op_code_data, ext_op_code_len - bytes_read - 1);
+ state_machine_regs.op_index = 0;
+ break;
+ case DW_LNE_define_file:
+ {
+ file_table = (File_Entry *) xrealloc
+ (file_table, (n_files + 1) * sizeof (File_Entry));
+
+ ++state_machine_regs.last_file_entry;
+ /* Source file name. */
+ file_table[n_files].name = op_code_data;
+ op_code_data += strlen ((char *) op_code_data) + 1;
+ /* Directory index. */
+ file_table[n_files].directory_index =
+ read_leb128 (op_code_data, & bytes_read, 0);
+ op_code_data += bytes_read;
+ /* Last modification time. */
+ file_table[n_files].modification_date =
+ read_leb128 (op_code_data, & bytes_read, 0);
+ op_code_data += bytes_read;
+ /* File length. */
+ file_table[n_files].length =
+ read_leb128 (op_code_data, & bytes_read, 0);
+
+ n_files++;
+ break;
+ }
+ case DW_LNE_set_discriminator:
+ case DW_LNE_HP_set_sequence:
+ /* Simply ignored. */
+ break;
+
+ default:
+ printf (_("UNKNOWN (%u): length %d\n"),
+ ext_op_code, ext_op_code_len - bytes_read);
+ break;
+ }
+ data += ext_op_code_len;
+ break;
+ }
+ case DW_LNS_copy:
+ break;
+
+ case DW_LNS_advance_pc:
+ uladv = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ if (linfo.li_max_ops_per_insn == 1)
+ {
+ uladv *= linfo.li_min_insn_length;
+ state_machine_regs.address += uladv;
+ }
+ else
+ {
+ state_machine_regs.address
+ += ((state_machine_regs.op_index + uladv)
+ / linfo.li_max_ops_per_insn)
+ * linfo.li_min_insn_length;
+ state_machine_regs.op_index
+ = (state_machine_regs.op_index + uladv)
+ % linfo.li_max_ops_per_insn;
+ }
+ break;
+
+ case DW_LNS_advance_line:
+ adv = read_sleb128 (data, & bytes_read);
+ data += bytes_read;
+ state_machine_regs.line += adv;
+ break;
+
+ case DW_LNS_set_file:
+ adv = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ state_machine_regs.file = adv;
+ if (file_table[state_machine_regs.file - 1].directory_index == 0)
+ {
+ /* If directory index is 0, that means current directory. */
+ 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",
+ directory_table[file_table[state_machine_regs.file - 1].directory_index - 1],
+ file_table[state_machine_regs.file - 1].name);
+ }
+ break;
+
+ case DW_LNS_set_column:
+ uladv = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ state_machine_regs.column = uladv;
+ break;
+
+ case DW_LNS_negate_stmt:
+ adv = state_machine_regs.is_stmt;
+ adv = ! adv;
+ state_machine_regs.is_stmt = adv;
+ break;
+
+ case DW_LNS_set_basic_block:
+ state_machine_regs.basic_block = 1;
+ break;
+
+ case DW_LNS_const_add_pc:
+ uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
+ if (linfo.li_max_ops_per_insn == 1)
+ {
+ uladv *= linfo.li_min_insn_length;
+ state_machine_regs.address += uladv;
+ }
+ else
+ {
+ state_machine_regs.address
+ += ((state_machine_regs.op_index + uladv)
+ / linfo.li_max_ops_per_insn)
+ * linfo.li_min_insn_length;
+ state_machine_regs.op_index
+ = (state_machine_regs.op_index + uladv)
+ % linfo.li_max_ops_per_insn;
+ }
+ break;
+
+ case DW_LNS_fixed_advance_pc:
+ uladv = byte_get (data, 2);
+ data += 2;
+ state_machine_regs.address += uladv;
+ state_machine_regs.op_index = 0;
+ break;
+
+ case DW_LNS_set_prologue_end:
+ break;
+
+ case DW_LNS_set_epilogue_begin:
+ break;
+
+ case DW_LNS_set_isa:
+ uladv = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ printf (_(" Set ISA to %lu\n"), uladv);
+ break;
+
+ default:
+ printf (_(" Unknown opcode %d with operands: "), op_code);
+
+ for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
+ {
+ printf ("0x%s%s", dwarf_vmatoa ("x", read_leb128 (data,
+ &bytes_read, 0)),
+ i == 1 ? "" : ", ");
+ data += bytes_read;
+ }
+ putchar ('\n');
+ break;
+ }
+
+ /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row
+ to the DWARF address/line matrix. */
+ if ((is_special_opcode) || (op_code == DW_LNE_end_sequence)
+ || (op_code == DW_LNS_copy))
+ {
+ const unsigned int MAX_FILENAME_LENGTH = 35;
+ char *fileName = (char *)file_table[state_machine_regs.file - 1].name;
+ char *newFileName = NULL;
+ size_t fileNameLength = strlen (fileName);
+
+ if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide))
+ {
+ newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1);
+ /* Truncate file name */
+ strncpy (newFileName,
+ fileName + fileNameLength - MAX_FILENAME_LENGTH,
+ MAX_FILENAME_LENGTH + 1);
+ }
+ else
+ {
+ newFileName = (char *) xmalloc (fileNameLength + 1);
+ strncpy (newFileName, fileName, fileNameLength + 1);
+ }
+
+ if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH))
+ {
+ if (linfo.li_max_ops_per_insn == 1)
+ printf ("%-35s %11d %#18" DWARF_VMA_FMT "x\n",
+ newFileName, state_machine_regs.line,
+ state_machine_regs.address);
+ else
+ printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%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 %#18" DWARF_VMA_FMT "x\n",
+ newFileName, state_machine_regs.line,
+ state_machine_regs.address);
+ else
+ printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]\n",
+ newFileName, state_machine_regs.line,
+ state_machine_regs.address,
+ state_machine_regs.op_index);
+ }
+
+ if (op_code == DW_LNE_end_sequence)
+ printf ("\n");
+
+ free (newFileName);
+ }
+ }
+ free (file_table);
+ file_table = NULL;
+ free (directory_table);
+ directory_table = NULL;
+ putchar ('\n');
+ }
+
+ return 1;
+}
+
+static int
+display_debug_lines (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED)
+{
+ unsigned char *data = section->start;
+ unsigned char *end = data + section->size;
+ int retValRaw = 1;
+ int retValDecoded = 1;
+
+ if (do_debug_lines == 0)
+ do_debug_lines |= FLAG_DEBUG_LINES_RAW;
+
+ if (do_debug_lines & FLAG_DEBUG_LINES_RAW)
+ retValRaw = display_debug_lines_raw (section, data, end);
+
+ if (do_debug_lines & FLAG_DEBUG_LINES_DECODED)
+ retValDecoded = display_debug_lines_decoded (section, data, end);
+
+ if (!retValRaw || !retValDecoded)
+ return 0;
+
+ return 1;
+}
+
+static debug_info *
+find_debug_info_for_offset (unsigned long offset)
+{
+ unsigned int i;
+
+ if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
+ return NULL;
+
+ for (i = 0; i < num_debug_info_entries; i++)
+ if (debug_information[i].cu_offset == offset)
+ return debug_information + i;
+
+ return NULL;
+}
+
static int
display_debug_pubnames (struct dwarf_section *section,
void *file ATTRIBUTE_UNUSED)
{
- DWARF2_Internal_PubNames pubnames;
+ DWARF2_Internal_PubNames names;
unsigned char *start = section->start;
unsigned char *end = start + section->size;
+ /* It does not matter if this load fails,
+ we test for that later on. */
+ load_debug_info (file);
+
printf (_("Contents of the %s section:\n\n"), section->name);
while (start < end)
data = start;
- pubnames.pn_length = byte_get (data, 4);
+ names.pn_length = byte_get (data, 4);
data += 4;
- if (pubnames.pn_length == 0xffffffff)
+ if (names.pn_length == 0xffffffff)
{
- pubnames.pn_length = byte_get (data, 8);
+ names.pn_length = byte_get (data, 8);
data += 8;
offset_size = 8;
initial_length_size = 12;
initial_length_size = 4;
}
- pubnames.pn_version = byte_get (data, 2);
+ names.pn_version = byte_get (data, 2);
data += 2;
- pubnames.pn_offset = byte_get (data, offset_size);
+
+ names.pn_offset = byte_get (data, offset_size);
data += offset_size;
- pubnames.pn_size = byte_get (data, offset_size);
+
+ if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
+ && num_debug_info_entries > 0
+ && find_debug_info_for_offset (names.pn_offset) == NULL)
+ warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
+ (unsigned long) names.pn_offset, section->name);
+
+ names.pn_size = byte_get (data, offset_size);
data += offset_size;
- start += pubnames.pn_length + initial_length_size;
+ start += names.pn_length + initial_length_size;
- if (pubnames.pn_version != 2 && pubnames.pn_version != 3)
+ if (names.pn_version != 2 && names.pn_version != 3)
{
static int warned = 0;
}
printf (_(" Length: %ld\n"),
- pubnames.pn_length);
+ (long) names.pn_length);
printf (_(" Version: %d\n"),
- pubnames.pn_version);
- printf (_(" Offset into .debug_info section: %ld\n"),
- pubnames.pn_offset);
+ names.pn_version);
+ printf (_(" Offset into .debug_info section: 0x%lx\n"),
+ (unsigned long) names.pn_offset);
printf (_(" Size of area in .debug_info section: %ld\n"),
- pubnames.pn_size);
+ (long) names.pn_size);
printf (_("\n Offset\tName\n"));
if (offset != 0)
{
data += offset_size;
- printf (" %-6ld\t\t%s\n", offset, data);
+ printf (" %-6lx\t%s\n", offset, data);
data += strlen ((char *) data) + 1;
}
}
unsigned int lineno;
const char *string;
- op = *curr;
+ op = (enum dwarf_macinfo_record_type) *curr;
curr++;
switch (op)
return 1;
}
+/* Given LINE_OFFSET into the .debug_line section, attempt to return
+ filename and dirname corresponding to file name table entry with index
+ FILEIDX. Return NULL on failure. */
+
+static unsigned char *
+get_line_filename_and_dirname (dwarf_vma line_offset, dwarf_vma fileidx,
+ unsigned char **dir_name)
+{
+ struct dwarf_section *section = &debug_displays [line].section;
+ unsigned char *hdrptr, *dirtable, *file_name;
+ unsigned int offset_size, initial_length_size;
+ unsigned int version, opcode_base, bytes_read;
+ dwarf_vma length, diridx;
+
+ *dir_name = NULL;
+ if (section->start == NULL
+ || line_offset >= section->size
+ || fileidx == 0)
+ return NULL;
+
+ hdrptr = section->start + line_offset;
+ length = byte_get (hdrptr, 4);
+ hdrptr += 4;
+ if (length == 0xffffffff)
+ {
+ /* This section is 64-bit DWARF 3. */
+ length = byte_get (hdrptr, 8);
+ hdrptr += 8;
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+ if (length + initial_length_size > section->size)
+ return NULL;
+ version = byte_get (hdrptr, 2);
+ hdrptr += 2;
+ if (version != 2 && version != 3 && version != 4)
+ return NULL;
+ hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */
+ if (version >= 4)
+ hdrptr++; /* Skip max_ops_per_insn. */
+ hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */
+ opcode_base = byte_get (hdrptr, 1);
+ if (opcode_base == 0)
+ return NULL;
+ hdrptr++;
+ hdrptr += opcode_base - 1;
+ dirtable = hdrptr;
+ /* Skip over dirname table. */
+ while (*hdrptr != '\0')
+ hdrptr += strlen ((char *) hdrptr) + 1;
+ hdrptr++; /* Skip the NUL at the end of the table. */
+ /* Now skip over preceding filename table entries. */
+ for (; *hdrptr != '\0' && fileidx > 1; fileidx--)
+ {
+ hdrptr += strlen ((char *) hdrptr) + 1;
+ read_leb128 (hdrptr, &bytes_read, 0);
+ hdrptr += bytes_read;
+ read_leb128 (hdrptr, &bytes_read, 0);
+ hdrptr += bytes_read;
+ read_leb128 (hdrptr, &bytes_read, 0);
+ hdrptr += bytes_read;
+ }
+ if (*hdrptr == '\0')
+ return NULL;
+ file_name = hdrptr;
+ hdrptr += strlen ((char *) hdrptr) + 1;
+ diridx = read_leb128 (hdrptr, &bytes_read, 0);
+ if (diridx == 0)
+ return file_name;
+ for (; *dirtable != '\0' && diridx > 1; diridx--)
+ dirtable += strlen ((char *) dirtable) + 1;
+ if (*dirtable == '\0')
+ return NULL;
+ *dir_name = dirtable;
+ return file_name;
+}
+
+static int
+display_debug_macro (struct dwarf_section *section,
+ void *file)
+{
+ unsigned char *start = section->start;
+ unsigned char *end = start + section->size;
+ unsigned char *curr = start;
+ unsigned char *extended_op_buf[256];
+ unsigned int bytes_read;
+
+ load_debug_section (str, file);
+ load_debug_section (line, file);
+
+ printf (_("Contents of the %s section:\n\n"), section->name);
+
+ while (curr < end)
+ {
+ unsigned int lineno, version, flags;
+ unsigned int offset_size = 4;
+ const char *string;
+ dwarf_vma line_offset = 0, sec_offset = curr - start, offset;
+ unsigned char **extended_ops = NULL;
+
+ version = byte_get (curr, 2);
+ curr += 2;
+
+ if (version != 4)
+ {
+ error (_("Only GNU extension to DWARF 4 of %s is currently supported.\n"),
+ section->name);
+ return 0;
+ }
+
+ flags = byte_get (curr++, 1);
+ if (flags & 1)
+ offset_size = 8;
+ printf (_(" Offset: 0x%lx\n"),
+ (unsigned long) sec_offset);
+ printf (_(" Version: %d\n"), version);
+ printf (_(" Offset size: %d\n"), offset_size);
+ if (flags & 2)
+ {
+ line_offset = byte_get (curr, offset_size);
+ curr += offset_size;
+ printf (_(" Offset into .debug_line: 0x%lx\n"),
+ (unsigned long) line_offset);
+ }
+ if (flags & 4)
+ {
+ unsigned int i, count = byte_get (curr++, 1), op;
+ dwarf_vma nargs, n;
+ memset (extended_op_buf, 0, sizeof (extended_op_buf));
+ extended_ops = extended_op_buf;
+ if (count)
+ {
+ printf (_(" Extension opcode arguments:\n"));
+ for (i = 0; i < count; i++)
+ {
+ op = byte_get (curr++, 1);
+ extended_ops[op] = curr;
+ nargs = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ if (nargs == 0)
+ printf (_(" DW_MACRO_GNU_%02x has no arguments\n"), op);
+ else
+ {
+ printf (_(" DW_MACRO_GNU_%02x arguments: "), op);
+ for (n = 0; n < nargs; n++)
+ {
+ unsigned int form = byte_get (curr++, 1);
+ printf ("%s%s", get_FORM_name (form),
+ n == nargs - 1 ? "\n" : ", ");
+ switch (form)
+ {
+ case DW_FORM_data1:
+ case DW_FORM_data2:
+ case DW_FORM_data4:
+ case DW_FORM_data8:
+ case DW_FORM_sdata:
+ case DW_FORM_udata:
+ case DW_FORM_block:
+ case DW_FORM_block1:
+ case DW_FORM_block2:
+ case DW_FORM_block4:
+ case DW_FORM_flag:
+ case DW_FORM_string:
+ case DW_FORM_strp:
+ case DW_FORM_sec_offset:
+ break;
+ default:
+ error (_("Invalid extension opcode form %s\n"),
+ get_FORM_name (form));
+ return 0;
+ }
+ }
+ }
+ }
+ }
+ }
+ printf ("\n");
+
+ while (1)
+ {
+ unsigned int op;
+
+ if (curr >= end)
+ {
+ error (_(".debug_macro section not zero terminated\n"));
+ return 0;
+ }
+
+ op = byte_get (curr++, 1);
+ if (op == 0)
+ break;
+
+ switch (op)
+ {
+ case DW_MACRO_GNU_start_file:
+ {
+ unsigned int filenum;
+ unsigned char *file_name = NULL, *dir_name = NULL;
+
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ filenum = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+
+ if ((flags & 2) == 0)
+ error (_("DW_MACRO_GNU_start_file used, but no .debug_line offset provided.\n"));
+ else
+ file_name
+ = get_line_filename_and_dirname (line_offset, filenum,
+ &dir_name);
+ if (file_name == NULL)
+ printf (_(" DW_MACRO_GNU_start_file - lineno: %d filenum: %d\n"),
+ lineno, filenum);
+ else
+ printf (_(" DW_MACRO_GNU_start_file - lineno: %d filenum: %d filename: %s%s%s\n"),
+ lineno, filenum,
+ dir_name != NULL ? (const char *) dir_name : "",
+ dir_name != NULL ? "/" : "", file_name);
+ }
+ break;
+
+ case DW_MACRO_GNU_end_file:
+ printf (_(" DW_MACRO_GNU_end_file\n"));
+ break;
+
+ case DW_MACRO_GNU_define:
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ string = (char *) curr;
+ curr += strlen (string) + 1;
+ printf (_(" DW_MACRO_GNU_define - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
+
+ case DW_MACRO_GNU_undef:
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ string = (char *) curr;
+ curr += strlen (string) + 1;
+ printf (_(" DW_MACRO_GNU_undef - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
+
+ case DW_MACRO_GNU_define_indirect:
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ offset = byte_get (curr, offset_size);
+ curr += offset_size;
+ string = fetch_indirect_string (offset);
+ printf (_(" DW_MACRO_GNU_define_indirect - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
+
+ case DW_MACRO_GNU_undef_indirect:
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ offset = byte_get (curr, offset_size);
+ curr += offset_size;
+ string = fetch_indirect_string (offset);
+ printf (_(" DW_MACRO_GNU_undef_indirect - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
+
+ case DW_MACRO_GNU_transparent_include:
+ offset = byte_get (curr, offset_size);
+ curr += offset_size;
+ printf (_(" DW_MACRO_GNU_transparent_include - offset : 0x%lx\n"),
+ (unsigned long) offset);
+ break;
+
+ case DW_MACRO_GNU_define_indirect_alt:
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ offset = byte_get (curr, offset_size);
+ curr += offset_size;
+ printf (_(" DW_MACRO_GNU_define_indirect_alt - lineno : %d macro offset : 0x%lx\n"),
+ lineno, (unsigned long) offset);
+ break;
+
+ case DW_MACRO_GNU_undef_indirect_alt:
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ offset = byte_get (curr, offset_size);
+ curr += offset_size;
+ printf (_(" DW_MACRO_GNU_undef_indirect_alt - lineno : %d macro offset : 0x%lx\n"),
+ lineno, (unsigned long) offset);
+ break;
+
+ case DW_MACRO_GNU_transparent_include_alt:
+ offset = byte_get (curr, offset_size);
+ curr += offset_size;
+ printf (_(" DW_MACRO_GNU_transparent_include_alt - offset : 0x%lx\n"),
+ (unsigned long) offset);
+ break;
+
+ default:
+ if (extended_ops == NULL || extended_ops[op] == NULL)
+ {
+ error (_(" Unknown macro opcode %02x seen\n"), op);
+ return 0;
+ }
+ else
+ {
+ /* Skip over unhandled opcodes. */
+ dwarf_vma nargs, n;
+ unsigned char *desc = extended_ops[op];
+ nargs = read_leb128 (desc, &bytes_read, 0);
+ desc += bytes_read;
+ if (nargs == 0)
+ {
+ printf (_(" DW_MACRO_GNU_%02x\n"), op);
+ break;
+ }
+ printf (_(" DW_MACRO_GNU_%02x -"), op);
+ for (n = 0; n < nargs; n++)
+ {
+ curr
+ = read_and_display_attr_value (0, byte_get (desc++, 1),
+ curr, 0, 0, offset_size,
+ version, NULL, 0, NULL);
+ if (n != nargs - 1)
+ printf (",");
+ }
+ printf ("\n");
+ }
+ break;
+ }
+ }
+
+ printf ("\n");
+ }
+
+ return 1;
+}
+
static int
display_debug_abbrev (struct dwarf_section *section,
void *file ATTRIBUTE_UNUSED)
do
{
+ unsigned char *last;
+
free_abbrevs ();
+ last = start;
start = process_abbrev_section (start, end);
if (first_abbrev == NULL)
continue;
- printf (_(" Number TAG\n"));
+ printf (_(" Number TAG (0x%lx)\n"), (long) (last - section->start));
for (entry = first_abbrev; entry; entry = entry->next)
{
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));
}
}
while (start);
- printf ("\n");
+ printf ("\n");
+
+ return 1;
+}
+
+/* Display a location list from a normal (ie, non-dwo) .debug_loc section. */
+
+static void
+display_loc_list (struct dwarf_section *section,
+ unsigned char **start_ptr,
+ int debug_info_entry,
+ unsigned long offset,
+ unsigned long base_address,
+ int has_frame_base)
+{
+ unsigned char *start = *start_ptr;
+ unsigned char *section_end = section->start + section->size;
+ unsigned long cu_offset = debug_information [debug_info_entry].cu_offset;
+ unsigned int pointer_size = debug_information [debug_info_entry].pointer_size;
+ unsigned int offset_size = debug_information [debug_info_entry].offset_size;
+ int dwarf_version = debug_information [debug_info_entry].dwarf_version;
+
+ dwarf_vma begin;
+ dwarf_vma end;
+ unsigned short length;
+ int need_frame_base;
+
+ while (1)
+ {
+ if (start + 2 * pointer_size > section_end)
+ {
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ offset);
+ break;
+ }
+
+ printf (" %8.8lx ", offset + (start - *start_ptr));
+
+ /* Note: we use sign extension here in order to be sure that we can detect
+ the -1 escape value. Sign extension into the top 32 bits of a 32-bit
+ address will not affect the values that we display since we always show
+ hex values, and always the bottom 32-bits. */
+ begin = byte_get_signed (start, pointer_size);
+ start += pointer_size;
+ end = byte_get_signed (start, pointer_size);
+ start += pointer_size;
+
+ if (begin == 0 && end == 0)
+ {
+ printf (_("<End of list>\n"));
+ break;
+ }
+
+ /* Check base address specifiers. */
+ if (begin == (dwarf_vma) -1 && end != (dwarf_vma) -1)
+ {
+ base_address = end;
+ print_dwarf_vma (begin, pointer_size);
+ print_dwarf_vma (end, pointer_size);
+ printf (_("(base address)\n"));
+ continue;
+ }
+
+ if (start + 2 > section_end)
+ {
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ offset);
+ break;
+ }
+
+ length = byte_get (start, 2);
+ start += 2;
+
+ if (start + length > section_end)
+ {
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ 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;
+}
+
+/* Print a .debug_addr table index in decimal, surrounded by square brackets,
+ right-adjusted in a field of length LEN, and followed by a space. */
+
+static void
+print_addr_index (unsigned int idx, unsigned int len)
+{
+ static char buf[15];
+ snprintf (buf, sizeof (buf), "[%d]", idx);
+ printf("%*s ", len, buf);
+}
+
+/* Display a location list from a .dwo section. It uses address indexes rather
+ than embedded addresses. This code closely follows display_loc_list, but the
+ two are sufficiently different that combining things is very ugly. */
+
+static void
+display_loc_list_dwo (struct dwarf_section *section,
+ unsigned char **start_ptr,
+ int debug_info_entry,
+ unsigned long offset,
+ int has_frame_base)
+{
+ unsigned char *start = *start_ptr;
+ unsigned char *section_end = section->start + section->size;
+ unsigned long cu_offset = debug_information [debug_info_entry].cu_offset;
+ unsigned int pointer_size = debug_information [debug_info_entry].pointer_size;
+ unsigned int offset_size = debug_information [debug_info_entry].offset_size;
+ int dwarf_version = debug_information [debug_info_entry].dwarf_version;
+ int entry_type;
+ unsigned short length;
+ int need_frame_base;
+ unsigned int idx;
+ unsigned int bytes_read;
+
+ while (1)
+ {
+ printf (" %8.8lx ", offset + (start - *start_ptr));
+
+ if (start >= section_end)
+ {
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ offset);
+ break;
+ }
+
+ entry_type = byte_get (start, 1);
+ start++;
+ switch (entry_type)
+ {
+ case 0: /* A terminating entry. */
+ *start_ptr = start;
+ printf (_("<End of list>\n"));
+ return;
+ case 1: /* A base-address entry. */
+ idx = read_leb128 (start, &bytes_read, 0);
+ start += bytes_read;
+ print_addr_index (idx, 8);
+ printf (" ");
+ printf (_("(base address selection entry)\n"));
+ continue;
+ case 2: /* A start/end entry. */
+ idx = read_leb128 (start, &bytes_read, 0);
+ start += bytes_read;
+ print_addr_index (idx, 8);
+ idx = read_leb128 (start, &bytes_read, 0);
+ start += bytes_read;
+ print_addr_index (idx, 8);
+ break;
+ case 3: /* A start/length entry. */
+ idx = read_leb128 (start, &bytes_read, 0);
+ start += bytes_read;
+ print_addr_index (idx, 8);
+ idx = byte_get (start, 4);
+ start += 4;
+ printf ("%08x ", idx);
+ break;
+ case 4: /* An offset pair entry. */
+ idx = byte_get (start, 4);
+ start += 4;
+ printf ("%08x ", idx);
+ idx = byte_get (start, 4);
+ start += 4;
+ printf ("%08x ", idx);
+ break;
+ default:
+ warn (_("Unknown location list entry type 0x%x.\n"), entry_type);
+ *start_ptr = start;
+ return;
+ }
+
+ if (start + 2 > section_end)
+ {
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ offset);
+ break;
+ }
+
+ length = byte_get (start, 2);
+ start += 2;
+
+ if (start + length > section_end)
+ {
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ offset);
+ break;
+ }
+
+ 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]"));
+
+ putchar ('\n');
+
+ start += length;
+ }
+
+ *start_ptr = start;
+}
+
+/* Sort array of indexes in ascending order of loc_offsets[idx]. */
- return 1;
+static dwarf_vma *loc_offsets;
+
+static int
+loc_offsets_compar (const void *ap, const void *bp)
+{
+ dwarf_vma a = loc_offsets[*(const unsigned int *) ap];
+ dwarf_vma b = loc_offsets[*(const unsigned int *) bp];
+
+ return (a > b) - (b > a);
}
static int
display_debug_loc (struct dwarf_section *section, void *file)
{
unsigned char *start = section->start;
- unsigned char *section_end;
unsigned long bytes;
unsigned char *section_begin = start;
unsigned int num_loc_list = 0;
unsigned int first = 0;
unsigned int i;
unsigned int j;
+ unsigned int k;
int seen_first_offset = 0;
- int use_debug_info = 1;
+ int locs_sorted = 1;
unsigned char *next;
+ unsigned int *array = NULL;
+ const char *suffix = strrchr (section->name, '.');
+ int is_dwo = 0;
+
+ if (suffix && strcmp (suffix, ".dwo") == 0)
+ is_dwo = 1;
bytes = section->size;
- section_end = start + bytes;
if (bytes == 0)
{
unsigned int num;
num = debug_information [i].num_loc_offsets;
- num_loc_list += num;
+ if (num > num_loc_list)
+ num_loc_list = num;
/* Check if we can use `debug_information' directly. */
- if (use_debug_info && num != 0)
+ if (locs_sorted && num != 0)
{
if (!seen_first_offset)
{
if (last_offset >
debug_information [i].loc_offsets [j])
{
- use_debug_info = 0;
+ locs_sorted = 0;
break;
}
last_offset = debug_information [i].loc_offsets [j];
}
}
- if (!use_debug_info)
- /* FIXME: Should we handle this case? */
- error (_("Location lists in .debug_info section aren't in ascending order!\n"));
-
if (!seen_first_offset)
error (_("No location lists in .debug_info section!\n"));
/* DWARF sections under Mach-O have non-zero addresses. */
if (debug_information [first].num_loc_offsets > 0
&& debug_information [first].loc_offsets [0] != section->address)
- warn (_("Location lists in %s section start at 0x%lx\n"),
- section->name, debug_information [first].loc_offsets [0]);
+ warn (_("Location lists in %s section start at 0x%s\n"),
+ section->name,
+ dwarf_vmatoa ("x", debug_information [first].loc_offsets [0]));
+ if (!locs_sorted)
+ array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int));
printf (_("Contents of the %s section:\n\n"), section->name);
printf (_(" Offset Begin End Expression\n"));
seen_first_offset = 0;
for (i = first; i < num_debug_info_entries; i++)
{
- unsigned long begin;
- unsigned long end;
- unsigned short length;
unsigned long offset;
- unsigned int pointer_size;
- unsigned long cu_offset;
unsigned long base_address;
- int need_frame_base;
int has_frame_base;
- pointer_size = debug_information [i].pointer_size;
- cu_offset = debug_information [i].cu_offset;
+ if (!locs_sorted)
+ {
+ for (k = 0; k < debug_information [i].num_loc_offsets; k++)
+ array[k] = k;
+ loc_offsets = debug_information [i].loc_offsets;
+ qsort (array, debug_information [i].num_loc_offsets,
+ sizeof (*array), loc_offsets_compar);
+ }
- for (j = 0; j < debug_information [i].num_loc_offsets; j++)
+ for (k = 0; k < debug_information [i].num_loc_offsets; k++)
{
+ j = locs_sorted ? k : array[k];
+ if (k
+ && debug_information [i].loc_offsets [locs_sorted
+ ? k - 1 : array [k - 1]]
+ == debug_information [i].loc_offsets [j])
+ continue;
has_frame_base = debug_information [i].have_frame_base [j];
/* DWARF sections under Mach-O have non-zero addresses. */
- offset = debug_information [i].loc_offsets [j] - section->address;
+ offset = debug_information [i].loc_offsets [j] - section->address;
next = section_begin + offset;
base_address = debug_information [i].base_address;
{
if (start < next)
warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"),
- (long)(start - section_begin), (long)(next - section_begin));
+ (unsigned long) (start - section_begin),
+ (unsigned long) (next - section_begin));
else if (start > next)
warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"),
- (long)(start - section_begin), (long)(next - section_begin));
+ (unsigned long) (start - section_begin),
+ (unsigned long) (next - section_begin));
}
start = next;
continue;
}
- while (1)
- {
- if (start + 2 * pointer_size > section_end)
- {
- warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
- offset);
- break;
- }
-
- begin = byte_get (start, pointer_size);
- start += pointer_size;
- end = byte_get (start, pointer_size);
- start += pointer_size;
-
- if (begin == 0 && end == 0)
- {
- printf (_(" %8.8lx <End of list>\n"), offset);
- break;
- }
-
- /* Check base address specifiers. */
- if (begin == -1UL && end != -1UL)
- {
- base_address = end;
- printf (_(" %8.8lx %8.8lx %8.8lx (base address)\n"),
- offset, begin, end);
- continue;
- }
-
- if (start + 2 > section_end)
- {
- warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
- offset);
- break;
- }
-
- length = byte_get (start, 2);
- start += 2;
-
- if (start + length > section_end)
- {
- warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
- offset);
- break;
- }
-
- printf (" %8.8lx %8.8lx %8.8lx (",
- offset, begin + base_address, end + base_address);
- need_frame_base = decode_location_expression (start,
- pointer_size,
- length,
- cu_offset);
- 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;
- }
+ 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);
}
}
- if (start < section_end)
+ if (start < section->start + section->size)
warn (_("There are %ld unused bytes at the end of section %s\n"),
- (long) (section_end - start), section->name);
+ (long) (section->start + section->size - start), section->name);
+ putchar ('\n');
+ free (array);
return 1;
}
static int
display_debug_info (struct dwarf_section *section, void *file)
{
- return process_debug_info (section, file, 0);
+ return process_debug_info (section, file, section->abbrev_sec, 0, 0);
+}
+
+static int
+display_debug_types (struct dwarf_section *section, void *file)
+{
+ return process_debug_info (section, file, section->abbrev_sec, 0, 1);
}
+static int
+display_trace_info (struct dwarf_section *section, void *file)
+{
+ return process_debug_info (section, file, section->abbrev_sec, 0, 0);
+}
static int
display_debug_aranges (struct dwarf_section *section,
unsigned char *start = section->start;
unsigned char *end = start + section->size;
- printf (_("The section %s contains:\n\n"), section->name);
+ printf (_("Contents of the %s section:\n\n"), section->name);
+
+ /* It does not matter if this load fails,
+ we test for that later on. */
+ load_debug_info (file);
while (start < end)
{
unsigned char *hdrptr;
DWARF2_Internal_ARange arange;
- unsigned char *ranges;
- unsigned long length;
- unsigned long address;
+ unsigned char *addr_ranges;
+ dwarf_vma length;
+ dwarf_vma address;
unsigned char address_size;
int excess;
int offset_size;
arange.ar_info_offset = byte_get (hdrptr, offset_size);
hdrptr += offset_size;
+ if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
+ && num_debug_info_entries > 0
+ && find_debug_info_for_offset (arange.ar_info_offset) == NULL)
+ warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
+ (unsigned long) arange.ar_info_offset, section->name);
+
arange.ar_pointer_size = byte_get (hdrptr, 1);
hdrptr += 1;
break;
}
- printf (_(" Length: %ld\n"), arange.ar_length);
+ printf (_(" Length: %ld\n"),
+ (long) arange.ar_length);
printf (_(" Version: %d\n"), arange.ar_version);
- printf (_(" Offset into .debug_info: %lx\n"), arange.ar_info_offset);
+ printf (_(" Offset into .debug_info: 0x%lx\n"),
+ (unsigned long) arange.ar_info_offset);
printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
address_size = arange.ar_pointer_size + arange.ar_segment_size;
+ if (address_size == 0)
+ {
+ error (_("Invalid address size in %s section!\n"),
+ section->name);
+ break;
+ }
+
/* The DWARF spec does not require that the address size be a power
of two, but we do. This will have to change if we ever encounter
an uneven architecture. */
warn (_("Pointer size + Segment size is not a power of two.\n"));
break;
}
-
+
if (address_size > 4)
printf (_("\n Address Length\n"));
else
printf (_("\n Address Length\n"));
- ranges = hdrptr;
+ addr_ranges = hdrptr;
/* Must pad to an alignment boundary that is twice the address size. */
excess = (hdrptr - start) % (2 * address_size);
if (excess)
- ranges += (2 * address_size) - excess;
+ addr_ranges += (2 * address_size) - excess;
start += arange.ar_length + initial_length_size;
- while (ranges + 2 * address_size <= start)
+ while (addr_ranges + 2 * address_size <= start)
{
- address = byte_get (ranges, address_size);
+ address = byte_get (addr_ranges, address_size);
- ranges += address_size;
+ addr_ranges += address_size;
- length = byte_get (ranges, address_size);
+ length = byte_get (addr_ranges, address_size);
- ranges += address_size;
+ addr_ranges += address_size;
- if (address_size > 4)
- printf (" 0x%16.16lx 0x%lx\n", address, length);
- else
- printf (" 0x%8.8lx 0x%lx\n", address, length);
+ printf (" ");
+ print_dwarf_vma (address, address_size);
+ print_dwarf_vma (length, address_size);
+ putchar ('\n');
}
}
return 1;
}
+/* Comparison function for qsort. */
+static int
+comp_addr_base (const void * v0, const void * v1)
+{
+ debug_info * info0 = (debug_info *) v0;
+ debug_info * info1 = (debug_info *) v1;
+ return info0->addr_base - info1->addr_base;
+}
+
+/* Display the debug_addr section. */
+static int
+display_debug_addr (struct dwarf_section *section,
+ void *file)
+{
+ debug_info **debug_addr_info;
+ unsigned char *entry;
+ unsigned char *end;
+ unsigned int i;
+ unsigned int count;
+
+ if (section->size == 0)
+ {
+ printf (_("\nThe %s section is empty.\n"), section->name);
+ return 0;
+ }
+
+ if (load_debug_info (file) == 0)
+ {
+ warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
+ section->name);
+ return 0;
+ }
+
+ printf (_("Contents of the %s section:\n\n"), section->name);
+
+ debug_addr_info = (debug_info **) xmalloc ((num_debug_info_entries + 1)
+ * sizeof (debug_info *));
+
+ count = 0;
+ for (i = 0; i < num_debug_info_entries; i++)
+ {
+ if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE)
+ debug_addr_info [count++] = &debug_information [i];
+ }
+
+ /* Add a sentinel to make iteration convenient. */
+ debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info));
+ debug_addr_info [count]->addr_base = section->size;
+
+ qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base);
+ for (i = 0; i < count; i++)
+ {
+ unsigned int idx;
+ unsigned int address_size = debug_addr_info [i]->pointer_size;
+
+ printf (_(" For compilation unit at offset 0x%s:\n"),
+ dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset));
+
+ printf (_("\tIndex\tAddress\n"));
+ entry = section->start + debug_addr_info [i]->addr_base;
+ end = section->start + debug_addr_info [i + 1]->addr_base;
+ idx = 0;
+ while (entry < end)
+ {
+ dwarf_vma base = byte_get (entry, address_size);
+ printf (_("\t%d:\t"), idx);
+ print_dwarf_vma (base, address_size);
+ printf ("\n");
+ entry += address_size;
+ idx++;
+ }
+ }
+ printf ("\n");
+
+ free (debug_addr_info);
+ return 1;
+}
+
+/* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */
+static int
+display_debug_str_offsets (struct dwarf_section *section,
+ void *file ATTRIBUTE_UNUSED)
+{
+ if (section->size == 0)
+ {
+ printf (_("\nThe %s section is empty.\n"), section->name);
+ return 0;
+ }
+ /* TODO: Dump the contents. This is made somewhat difficult by not knowing
+ what the offset size is for this section. */
+ return 1;
+}
+
+/* Each debug_information[x].range_lists[y] gets this representation for
+ sorting purposes. */
+
+struct range_entry
+{
+ /* The debug_information[x].range_lists[y] value. */
+ unsigned long ranges_offset;
+
+ /* Original debug_information to find parameters of the data. */
+ debug_info *debug_info_p;
+};
+
+/* Sort struct range_entry in ascending order of its RANGES_OFFSET. */
+
+static int
+range_entry_compar (const void *ap, const void *bp)
+{
+ 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;
+
+ return (a > b) - (b > a);
+}
+
static int
display_debug_ranges (struct dwarf_section *section,
void *file ATTRIBUTE_UNUSED)
{
unsigned char *start = section->start;
- unsigned char *section_end;
+ unsigned char *last_start = start;
unsigned long bytes;
unsigned char *section_begin = start;
- unsigned int num_range_list = 0;
- unsigned long last_offset = 0;
- unsigned int first = 0;
- unsigned int i;
- unsigned int j;
- int seen_first_offset = 0;
- int use_debug_info = 1;
- unsigned char *next;
+ unsigned int num_range_list, i;
+ struct range_entry *range_entries, *range_entry_fill;
bytes = section->size;
- section_end = start + bytes;
if (bytes == 0)
{
return 0;
}
- /* Check the order of range list in .debug_info section. If
- offsets of range lists are in the ascending order, we can
- use `debug_information' directly. */
+ num_range_list = 0;
for (i = 0; i < num_debug_info_entries; i++)
+ num_range_list += debug_information [i].num_range_lists;
+
+ if (num_range_list == 0)
{
- unsigned int num;
+ /* This can happen when the file was compiled with -gsplit-debug
+ which removes references to range lists from the primary .o file. */
+ printf (_("No range lists in .debug_info section.\n"));
+ return 1;
+ }
- num = debug_information [i].num_range_lists;
- num_range_list += num;
+ range_entries = (struct range_entry *)
+ xmalloc (sizeof (*range_entries) * num_range_list);
+ range_entry_fill = range_entries;
- /* Check if we can use `debug_information' directly. */
- if (use_debug_info && num != 0)
- {
- if (!seen_first_offset)
- {
- /* This is the first range list. */
- last_offset = debug_information [i].range_lists [0];
- first = i;
- seen_first_offset = 1;
- j = 1;
- }
- else
- j = 0;
+ for (i = 0; i < num_debug_info_entries; i++)
+ {
+ debug_info *debug_info_p = &debug_information[i];
+ unsigned int j;
- for (; j < num; j++)
- {
- if (last_offset >
- debug_information [i].range_lists [j])
- {
- use_debug_info = 0;
- break;
- }
- last_offset = debug_information [i].range_lists [j];
- }
+ for (j = 0; j < debug_info_p->num_range_lists; j++)
+ {
+ range_entry_fill->ranges_offset = debug_info_p->range_lists[j];
+ range_entry_fill->debug_info_p = debug_info_p;
+ range_entry_fill++;
}
}
- if (!use_debug_info)
- /* FIXME: Should we handle this case? */
- error (_("Range lists in .debug_info section aren't in ascending order!\n"));
-
- if (!seen_first_offset)
- error (_("No range lists in .debug_info section!\n"));
+ qsort (range_entries, num_range_list, sizeof (*range_entries),
+ range_entry_compar);
/* DWARF sections under Mach-O have non-zero addresses. */
- if (debug_information [first].num_range_lists > 0
- && debug_information [first].range_lists [0] != section->address)
+ if (dwarf_check != 0 && range_entries[0].ranges_offset != section->address)
warn (_("Range lists in %s section start at 0x%lx\n"),
- section->name, debug_information [first].range_lists [0]);
+ section->name, range_entries[0].ranges_offset);
printf (_("Contents of the %s section:\n\n"), section->name);
printf (_(" Offset Begin End\n"));
- seen_first_offset = 0;
- for (i = first; i < num_debug_info_entries; i++)
+ for (i = 0; i < num_range_list; i++)
{
- unsigned long begin;
- unsigned long end;
- unsigned long offset;
+ 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;
+ unsigned char *next;
unsigned long base_address;
- pointer_size = debug_information [i].pointer_size;
+ pointer_size = debug_info_p->pointer_size;
- for (j = 0; j < debug_information [i].num_range_lists; j++)
- {
- /* DWARF sections under Mach-O have non-zero addresses. */
- offset = debug_information [i].range_lists [j] - section->address;
- next = section_begin + offset;
- base_address = debug_information [i].base_address;
+ /* DWARF sections under Mach-O have non-zero addresses. */
+ offset = range_entry->ranges_offset - section->address;
+ next = section_begin + offset;
+ base_address = debug_info_p->base_address;
- if (!seen_first_offset)
- seen_first_offset = 1;
- else
+ if (dwarf_check != 0 && i > 0)
+ {
+ if (start < next)
+ warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"),
+ (unsigned long) (start - section_begin),
+ (unsigned long) (next - section_begin), section->name);
+ else if (start > next)
{
- if (start < next)
- warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"),
- (long)(start - section_begin),
- (long)(next - section_begin), section->name);
- else if (start > next)
- warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"),
- (long)(start - section_begin),
- (long)(next - section_begin), section->name);
+ if (next == last_start)
+ continue;
+ warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"),
+ (unsigned long) (start - section_begin),
+ (unsigned long) (next - section_begin), section->name);
}
- start = next;
+ }
+ start = next;
+ last_start = next;
- while (1)
+ while (1)
+ {
+ dwarf_vma begin;
+ dwarf_vma end;
+
+ /* Note: we use sign extension here in order to be sure that
+ we can detect the -1 escape value. Sign extension into the
+ top 32 bits of a 32-bit address will not affect the values
+ that we display since we always show hex values, and always
+ the bottom 32-bits. */
+ begin = byte_get_signed (start, pointer_size);
+ start += pointer_size;
+ end = byte_get_signed (start, pointer_size);
+ start += pointer_size;
+
+ printf (" %8.8lx ", offset);
+
+ if (begin == 0 && end == 0)
{
- begin = byte_get (start, pointer_size);
- start += pointer_size;
- end = byte_get (start, pointer_size);
- start += pointer_size;
-
- if (begin == 0 && end == 0)
- {
- printf (_(" %8.8lx <End of list>\n"), offset);
- break;
- }
+ printf (_("<End of list>\n"));
+ break;
+ }
- /* Check base address specifiers. */
- if (begin == -1UL && end != -1UL)
- {
- base_address = end;
- printf (" %8.8lx %8.8lx %8.8lx (base address)\n",
- offset, begin, end);
- continue;
- }
+ /* Check base address specifiers. */
+ if (begin == (dwarf_vma) -1 && end != (dwarf_vma) -1)
+ {
+ base_address = end;
+ print_dwarf_vma (begin, pointer_size);
+ print_dwarf_vma (end, pointer_size);
+ printf ("(base address)\n");
+ continue;
+ }
- printf (" %8.8lx %8.8lx %8.8lx",
- offset, begin + base_address, end + base_address);
+ 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);
+ if (begin == end)
+ fputs (_("(start == end)"), stdout);
+ else if (begin > end)
+ fputs (_("(start > end)"), stdout);
- putchar ('\n');
- }
+ putchar ('\n');
}
}
putchar ('\n');
+
+ free (range_entries);
+
return 1;
}
int ra;
unsigned char fde_encoding;
unsigned char cfa_exp;
+ unsigned char ptr_size;
+ unsigned char segment_size;
}
Frame_Chunk;
+static const char *const *dwarf_regnames;
+static unsigned int dwarf_regnames_count;
+
/* A marker for a col_type that means this column was never referenced
in the frame info. */
#define DW_CFA_unreferenced (-1)
-static void
-frame_need_space (Frame_Chunk *fc, int reg)
+/* Return 0 if not more space is needed, 1 if more space is needed,
+ -1 for invalid reg. */
+
+static int
+frame_need_space (Frame_Chunk *fc, unsigned int reg)
{
int prev = fc->ncols;
- if (reg < fc->ncols)
- return;
+ if (reg < (unsigned int) fc->ncols)
+ return 0;
+
+ if (dwarf_regnames_count
+ && reg > dwarf_regnames_count)
+ return -1;
fc->ncols = reg + 1;
- fc->col_type = xcrealloc (fc->col_type, fc->ncols, sizeof (short int));
- fc->col_offset = xcrealloc (fc->col_offset, fc->ncols, sizeof (int));
+ fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols,
+ sizeof (short int));
+ fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int));
while (prev < fc->ncols)
{
fc->col_offset[prev] = 0;
prev++;
}
+ return 1;
+}
+
+static const char *const dwarf_regnames_i386[] =
+{
+ "eax", "ecx", "edx", "ebx",
+ "esp", "ebp", "esi", "edi",
+ "eip", "eflags", NULL,
+ "st0", "st1", "st2", "st3",
+ "st4", "st5", "st6", "st7",
+ NULL, NULL,
+ "xmm0", "xmm1", "xmm2", "xmm3",
+ "xmm4", "xmm5", "xmm6", "xmm7",
+ "mm0", "mm1", "mm2", "mm3",
+ "mm4", "mm5", "mm6", "mm7",
+ "fcw", "fsw", "mxcsr",
+ "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL,
+ "tr", "ldtr"
+};
+
+void
+init_dwarf_regnames_i386 (void)
+{
+ dwarf_regnames = dwarf_regnames_i386;
+ dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386);
+}
+
+static const char *const dwarf_regnames_x86_64[] =
+{
+ "rax", "rdx", "rcx", "rbx",
+ "rsi", "rdi", "rbp", "rsp",
+ "r8", "r9", "r10", "r11",
+ "r12", "r13", "r14", "r15",
+ "rip",
+ "xmm0", "xmm1", "xmm2", "xmm3",
+ "xmm4", "xmm5", "xmm6", "xmm7",
+ "xmm8", "xmm9", "xmm10", "xmm11",
+ "xmm12", "xmm13", "xmm14", "xmm15",
+ "st0", "st1", "st2", "st3",
+ "st4", "st5", "st6", "st7",
+ "mm0", "mm1", "mm2", "mm3",
+ "mm4", "mm5", "mm6", "mm7",
+ "rflags",
+ "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL,
+ "fs.base", "gs.base", NULL, NULL,
+ "tr", "ldtr",
+ "mxcsr", "fcw", "fsw"
+};
+
+void
+init_dwarf_regnames_x86_64 (void)
+{
+ dwarf_regnames = dwarf_regnames_x86_64;
+ dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64);
+}
+
+void
+init_dwarf_regnames (unsigned int e_machine)
+{
+ switch (e_machine)
+ {
+ case EM_386:
+ case EM_486:
+ init_dwarf_regnames_i386 ();
+ break;
+
+ case EM_X86_64:
+ case EM_L1OM:
+ case EM_K1OM:
+ init_dwarf_regnames_x86_64 ();
+ break;
+
+ default:
+ break;
+ }
+}
+
+static const char *
+regname (unsigned int regno, int row)
+{
+ static char reg[64];
+ if (dwarf_regnames
+ && regno < dwarf_regnames_count
+ && dwarf_regnames [regno] != NULL)
+ {
+ if (row)
+ return dwarf_regnames [regno];
+ snprintf (reg, sizeof (reg), "r%d (%s)", regno,
+ dwarf_regnames [regno]);
+ }
+ else
+ snprintf (reg, sizeof (reg), "r%d", regno);
+ return reg;
}
static void
if (*need_col_headers)
{
+ static const char *sloc = " LOC";
+
*need_col_headers = 0;
- printf (" LOC CFA ");
+ printf ("%-*s CFA ", eh_addr_size * 2, sloc);
for (r = 0; r < *max_regs; r++)
if (fc->col_type[r] != DW_CFA_unreferenced)
{
if (r == fc->ra)
- printf ("ra ");
+ printf ("ra ");
else
- printf ("r%-4d", r);
+ printf ("%-5s ", regname (r, 1));
}
printf ("\n");
}
- printf ("%08lx ", fc->pc_begin);
+ printf ("%0*lx ", eh_addr_size * 2, fc->pc_begin);
if (fc->cfa_exp)
strcpy (tmp, "exp");
else
- sprintf (tmp, "r%d%+d", fc->cfa_reg, fc->cfa_offset);
+ sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), fc->cfa_offset);
printf ("%-8s ", tmp);
for (r = 0; r < fc->ncols; r++)
sprintf (tmp, "v%+d", fc->col_offset[r]);
break;
case DW_CFA_register:
- sprintf (tmp, "r%d", fc->col_offset[r]);
+ sprintf (tmp, "%s", regname (fc->col_offset[r], 0));
break;
case DW_CFA_expression:
strcpy (tmp, "exp");
strcpy (tmp, "n/a");
break;
}
- printf ("%-5s", tmp);
+ printf ("%-5s ", tmp);
}
}
printf ("\n");
}
-static int
-size_of_encoded_value (int encoding)
-{
- switch (encoding & 0x7)
- {
- default: /* ??? */
- case 0: return eh_addr_size;
- case 2: return 2;
- case 3: return 4;
- case 4: return 8;
- }
-}
-
-static dwarf_vma
-get_encoded_value (unsigned char *data, int encoding)
-{
- int size = size_of_encoded_value (encoding);
-
- if (encoding & DW_EH_PE_signed)
- return byte_get_signed (data, size);
- else
- return byte_get (data, size);
-}
-
#define GET(N) byte_get (start, N); start += N
#define LEB() read_leb128 (start, & length_return, 0); start += length_return
-#define SLEB() read_leb128 (start, & length_return, 1); start += length_return
+#define SLEB() read_sleb128 (start, & length_return); start += length_return
static int
display_debug_frames (struct dwarf_section *section,
int is_eh = strcmp (section->name, ".eh_frame") == 0;
unsigned int length_return;
int max_regs = 0;
+ const char *bad_reg = _("bad register: ");
+ int saved_eh_addr_size = eh_addr_size;
- printf (_("The section %s contains:\n"), section->name);
+ printf (_("Contents of the %s section:\n"), section->name);
while (start < end)
{
int need_col_headers = 1;
unsigned char *augmentation_data = NULL;
unsigned long augmentation_data_len = 0;
- int encoded_ptr_size = eh_addr_size;
+ int encoded_ptr_size = saved_eh_addr_size;
int offset_size;
int initial_length_size;
{
int version;
- fc = xmalloc (sizeof (Frame_Chunk));
+ fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
memset (fc, 0, sizeof (Frame_Chunk));
fc->next = chunks;
chunks = fc;
fc->chunk_start = saved_start;
fc->ncols = 0;
- fc->col_type = xmalloc (sizeof (short int));
- fc->col_offset = xmalloc (sizeof (int));
+ fc->col_type = (short int *) xmalloc (sizeof (short int));
+ fc->col_offset = (int *) xmalloc (sizeof (int));
frame_need_space (fc, max_regs - 1);
version = *start++;
fc->augmentation = (char *) start;
start = (unsigned char *) strchr ((char *) start, '\0') + 1;
- if (fc->augmentation[0] == 'z')
+ if (strcmp (fc->augmentation, "eh") == 0)
+ start += eh_addr_size;
+
+ if (version >= 4)
{
- fc->code_factor = LEB ();
- fc->data_factor = SLEB ();
- if (version == 1)
- {
- fc->ra = GET (1);
- }
- else
- {
- fc->ra = LEB ();
- }
- augmentation_data_len = LEB ();
- augmentation_data = start;
- start += augmentation_data_len;
+ fc->ptr_size = GET (1);
+ fc->segment_size = GET (1);
+ eh_addr_size = fc->ptr_size;
}
- else if (strcmp (fc->augmentation, "eh") == 0)
- {
- start += eh_addr_size;
- fc->code_factor = LEB ();
- fc->data_factor = SLEB ();
- if (version == 1)
- {
- fc->ra = GET (1);
- }
- else
- {
- fc->ra = LEB ();
- }
+ else
+ {
+ fc->ptr_size = eh_addr_size;
+ fc->segment_size = 0;
+ }
+ fc->code_factor = LEB ();
+ fc->data_factor = SLEB ();
+ if (version == 1)
+ {
+ fc->ra = GET (1);
}
else
{
- fc->code_factor = LEB ();
- fc->data_factor = SLEB ();
- if (version == 1)
- {
- fc->ra = GET (1);
- }
- else
- {
- fc->ra = LEB ();
- }
+ fc->ra = LEB ();
+ }
+
+ if (fc->augmentation[0] == 'z')
+ {
+ augmentation_data_len = LEB ();
+ augmentation_data = start;
+ start += augmentation_data_len;
}
cie = fc;
(unsigned long)(saved_start - section_start), length, cie_id);
printf (" Version: %d\n", version);
printf (" Augmentation: \"%s\"\n", fc->augmentation);
+ if (version >= 4)
+ {
+ printf (" Pointer Size: %u\n", fc->ptr_size);
+ printf (" Segment Size: %u\n", fc->segment_size);
+ }
printf (" Code alignment factor: %u\n", fc->code_factor);
printf (" Data alignment factor: %d\n", fc->data_factor);
printf (" Return address column: %d\n", fc->ra);
q += 1 + size_of_encoded_value (*q);
else if (*p == 'R')
fc->fde_encoding = *q++;
+ else if (*p == 'S')
+ ;
else
break;
p++;
{
unsigned char *look_for;
static Frame_Chunk fde_fc;
+ unsigned long segment_selector;
fc = & fde_fc;
memset (fc, 0, sizeof (Frame_Chunk));
warn ("Invalid CIE pointer %#08lx in FDE at %#08lx\n",
cie_id, (unsigned long)(saved_start - section_start));
fc->ncols = 0;
- fc->col_type = xmalloc (sizeof (short int));
- fc->col_offset = xmalloc (sizeof (int));
+ fc->col_type = (short int *) xmalloc (sizeof (short int));
+ fc->col_offset = (int *) xmalloc (sizeof (int));
frame_need_space (fc, max_regs - 1);
cie = fc;
fc->augmentation = "";
fc->fde_encoding = 0;
+ fc->ptr_size = eh_addr_size;
+ fc->segment_size = 0;
}
else
{
fc->ncols = cie->ncols;
- fc->col_type = xcmalloc (fc->ncols, sizeof (short int));
- fc->col_offset = xcmalloc (fc->ncols, sizeof (int));
+ fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int));
+ fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int));
memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int));
memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int));
fc->augmentation = cie->augmentation;
+ fc->ptr_size = cie->ptr_size;
+ eh_addr_size = cie->ptr_size;
+ fc->segment_size = cie->segment_size;
fc->code_factor = cie->code_factor;
fc->data_factor = cie->data_factor;
fc->cfa_reg = cie->cfa_reg;
if (fc->fde_encoding)
encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
- 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);
+ segment_selector = 0;
+ if (fc->segment_size)
+ {
+ segment_selector = byte_get (start, fc->segment_size);
+ start += fc->segment_size;
+ }
+ 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;
start += augmentation_data_len;
}
- printf ("\n%08lx %08lx %08lx FDE cie=%08lx pc=%08lx..%08lx\n",
+ printf ("\n%08lx %08lx %08lx FDE cie=%08lx pc=",
(unsigned long)(saved_start - section_start), length, cie_id,
- (unsigned long)(cie->chunk_start - section_start),
- fc->pc_begin, fc->pc_begin + fc->pc_range);
+ (unsigned long)(cie->chunk_start - section_start));
+ if (fc->segment_size)
+ printf ("%04lx:", segment_selector);
+ printf ("%08lx..%08lx\n", fc->pc_begin, fc->pc_begin + fc->pc_range);
if (! do_debug_frames_interp && augmentation_data_len)
{
unsigned long i;
while (start < block_end)
{
unsigned op, opa;
- unsigned long reg, tmp;
+ unsigned long reg, temp;
op = *start++;
opa = op & 0x3f;
break;
case DW_CFA_offset:
LEB ();
- frame_need_space (fc, opa);
- fc->col_type[opa] = DW_CFA_undefined;
+ if (frame_need_space (fc, opa) >= 0)
+ fc->col_type[opa] = DW_CFA_undefined;
break;
case DW_CFA_restore:
- frame_need_space (fc, opa);
- fc->col_type[opa] = DW_CFA_undefined;
+ if (frame_need_space (fc, opa) >= 0)
+ fc->col_type[opa] = DW_CFA_undefined;
break;
case DW_CFA_set_loc:
start += encoded_ptr_size;
case DW_CFA_offset_extended:
case DW_CFA_val_offset:
reg = LEB (); LEB ();
- frame_need_space (fc, reg);
- fc->col_type[reg] = DW_CFA_undefined;
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_restore_extended:
reg = LEB ();
frame_need_space (fc, reg);
- fc->col_type[reg] = DW_CFA_undefined;
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_undefined:
reg = LEB ();
- frame_need_space (fc, reg);
- fc->col_type[reg] = DW_CFA_undefined;
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_same_value:
reg = LEB ();
- frame_need_space (fc, reg);
- fc->col_type[reg] = DW_CFA_undefined;
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_register:
reg = LEB (); LEB ();
- frame_need_space (fc, reg);
- fc->col_type[reg] = DW_CFA_undefined;
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_def_cfa:
LEB (); LEB ();
LEB ();
break;
case DW_CFA_def_cfa_expression:
- tmp = LEB ();
- start += tmp;
+ temp = LEB ();
+ start += temp;
break;
case DW_CFA_expression:
case DW_CFA_val_expression:
reg = LEB ();
- tmp = LEB ();
- start += tmp;
- frame_need_space (fc, reg);
- fc->col_type[reg] = DW_CFA_undefined;
+ temp = LEB ();
+ start += temp;
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_offset_extended_sf:
case DW_CFA_val_offset_sf:
reg = LEB (); SLEB ();
- frame_need_space (fc, reg);
- fc->col_type[reg] = DW_CFA_undefined;
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_def_cfa_sf:
LEB (); SLEB ();
break;
case DW_CFA_GNU_negative_offset_extended:
reg = LEB (); LEB ();
- frame_need_space (fc, reg);
- fc->col_type[reg] = DW_CFA_undefined;
-
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
default:
break;
}
unsigned long ul, reg, roffs;
long l, ofs;
dwarf_vma vma;
+ const char *reg_prefix = "";
op = *start++;
opa = op & 0x3f;
case DW_CFA_offset:
roffs = LEB ();
- if (! do_debug_frames_interp)
- printf (" DW_CFA_offset: r%d at cfa%+ld\n",
- opa, roffs * fc->data_factor);
- fc->col_type[opa] = DW_CFA_offset;
- fc->col_offset[opa] = roffs * fc->data_factor;
+ if (opa >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_offset: %s%s at cfa%+ld\n",
+ reg_prefix, regname (opa, 0),
+ roffs * fc->data_factor);
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[opa] = DW_CFA_offset;
+ fc->col_offset[opa] = roffs * fc->data_factor;
+ }
break;
case DW_CFA_restore:
- if (! do_debug_frames_interp)
- printf (" DW_CFA_restore: r%d\n", opa);
- fc->col_type[opa] = cie->col_type[opa];
- fc->col_offset[opa] = cie->col_offset[opa];
+ if (opa >= (unsigned int) cie->ncols
+ || opa >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_restore: %s%s\n",
+ reg_prefix, regname (opa, 0));
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[opa] = cie->col_type[opa];
+ fc->col_offset[opa] = cie->col_offset[opa];
+ if (do_debug_frames_interp
+ && fc->col_type[opa] == DW_CFA_unreferenced)
+ fc->col_type[opa] = DW_CFA_undefined;
+ }
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);
case DW_CFA_offset_extended:
reg = LEB ();
roffs = LEB ();
- if (! do_debug_frames_interp)
- printf (" DW_CFA_offset_extended: r%ld at cfa%+ld\n",
- reg, roffs * fc->data_factor);
- fc->col_type[reg] = DW_CFA_offset;
- fc->col_offset[reg] = roffs * fc->data_factor;
+ if (reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n",
+ reg_prefix, regname (reg, 0),
+ roffs * fc->data_factor);
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_offset;
+ fc->col_offset[reg] = roffs * fc->data_factor;
+ }
break;
case DW_CFA_val_offset:
reg = LEB ();
roffs = LEB ();
- if (! do_debug_frames_interp)
- printf (" DW_CFA_val_offset: r%ld at cfa%+ld\n",
- reg, roffs * fc->data_factor);
- fc->col_type[reg] = DW_CFA_val_offset;
- fc->col_offset[reg] = roffs * fc->data_factor;
+ if (reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_val_offset: %s%s at cfa%+ld\n",
+ reg_prefix, regname (reg, 0),
+ roffs * fc->data_factor);
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_val_offset;
+ fc->col_offset[reg] = roffs * fc->data_factor;
+ }
break;
case DW_CFA_restore_extended:
reg = LEB ();
- if (! do_debug_frames_interp)
- printf (" DW_CFA_restore_extended: r%ld\n", reg);
- fc->col_type[reg] = cie->col_type[reg];
- fc->col_offset[reg] = cie->col_offset[reg];
+ if (reg >= (unsigned int) cie->ncols
+ || reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_restore_extended: %s%s\n",
+ reg_prefix, regname (reg, 0));
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = cie->col_type[reg];
+ fc->col_offset[reg] = cie->col_offset[reg];
+ }
break;
case DW_CFA_undefined:
reg = LEB ();
- if (! do_debug_frames_interp)
- printf (" DW_CFA_undefined: r%ld\n", reg);
- fc->col_type[reg] = DW_CFA_undefined;
- fc->col_offset[reg] = 0;
+ if (reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_undefined: %s%s\n",
+ reg_prefix, regname (reg, 0));
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_undefined;
+ fc->col_offset[reg] = 0;
+ }
break;
case DW_CFA_same_value:
reg = LEB ();
- if (! do_debug_frames_interp)
- printf (" DW_CFA_same_value: r%ld\n", reg);
- fc->col_type[reg] = DW_CFA_same_value;
- fc->col_offset[reg] = 0;
+ if (reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_same_value: %s%s\n",
+ reg_prefix, regname (reg, 0));
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_same_value;
+ fc->col_offset[reg] = 0;
+ }
break;
case DW_CFA_register:
reg = LEB ();
roffs = LEB ();
- if (! do_debug_frames_interp)
- printf (" DW_CFA_register: r%ld in r%ld\n", reg, roffs);
- fc->col_type[reg] = DW_CFA_register;
- fc->col_offset[reg] = roffs;
+ if (reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ {
+ printf (" DW_CFA_register: %s%s in ",
+ reg_prefix, regname (reg, 0));
+ puts (regname (roffs, 0));
+ }
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_register;
+ fc->col_offset[reg] = roffs;
+ }
break;
case DW_CFA_remember_state:
if (! do_debug_frames_interp)
printf (" DW_CFA_remember_state\n");
- rs = xmalloc (sizeof (Frame_Chunk));
+ rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
rs->ncols = fc->ncols;
- rs->col_type = xcmalloc (rs->ncols, sizeof (short int));
- rs->col_offset = xcmalloc (rs->ncols, sizeof (int));
+ rs->col_type = (short int *) xcmalloc (rs->ncols,
+ sizeof (short int));
+ rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (int));
memcpy (rs->col_type, fc->col_type, rs->ncols);
memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (int));
rs->next = remembered_state;
fc->cfa_offset = LEB ();
fc->cfa_exp = 0;
if (! do_debug_frames_interp)
- printf (" DW_CFA_def_cfa: r%d ofs %d\n",
- fc->cfa_reg, fc->cfa_offset);
+ printf (" DW_CFA_def_cfa: %s ofs %d\n",
+ regname (fc->cfa_reg, 0), fc->cfa_offset);
break;
case DW_CFA_def_cfa_register:
fc->cfa_reg = LEB ();
fc->cfa_exp = 0;
if (! do_debug_frames_interp)
- printf (" DW_CFA_def_cfa_reg: r%d\n", fc->cfa_reg);
+ printf (" DW_CFA_def_cfa_register: %s\n",
+ regname (fc->cfa_reg, 0));
break;
case DW_CFA_def_cfa_offset:
if (! do_debug_frames_interp)
{
printf (" DW_CFA_def_cfa_expression (");
- decode_location_expression (start, eh_addr_size, ul, 0);
+ decode_location_expression (start, eh_addr_size, 0, -1,
+ ul, 0, section);
printf (")\n");
}
fc->cfa_exp = 1;
case DW_CFA_expression:
reg = LEB ();
ul = LEB ();
- if (! do_debug_frames_interp)
+ if (reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
{
- printf (" DW_CFA_expression: r%ld (", reg);
- decode_location_expression (start, eh_addr_size, ul, 0);
+ printf (" DW_CFA_expression: %s%s (",
+ reg_prefix, regname (reg, 0));
+ decode_location_expression (start, eh_addr_size, 0, -1,
+ ul, 0, section);
printf (")\n");
}
- fc->col_type[reg] = DW_CFA_expression;
+ if (*reg_prefix == '\0')
+ fc->col_type[reg] = DW_CFA_expression;
start += ul;
break;
case DW_CFA_val_expression:
reg = LEB ();
ul = LEB ();
- if (! do_debug_frames_interp)
+ if (reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
{
- printf (" DW_CFA_val_expression: r%ld (", reg);
- decode_location_expression (start, eh_addr_size, ul, 0);
+ printf (" DW_CFA_val_expression: %s%s (",
+ reg_prefix, regname (reg, 0));
+ decode_location_expression (start, eh_addr_size, 0, -1,
+ ul, 0, section);
printf (")\n");
}
- fc->col_type[reg] = DW_CFA_val_expression;
+ if (*reg_prefix == '\0')
+ fc->col_type[reg] = DW_CFA_val_expression;
start += ul;
break;
case DW_CFA_offset_extended_sf:
reg = LEB ();
l = SLEB ();
- frame_need_space (fc, reg);
- if (! do_debug_frames_interp)
- printf (" DW_CFA_offset_extended_sf: r%ld at cfa%+ld\n",
- reg, l * fc->data_factor);
- fc->col_type[reg] = DW_CFA_offset;
- fc->col_offset[reg] = l * fc->data_factor;
+ if (frame_need_space (fc, reg) < 0)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n",
+ reg_prefix, regname (reg, 0),
+ l * fc->data_factor);
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_offset;
+ fc->col_offset[reg] = l * fc->data_factor;
+ }
break;
case DW_CFA_val_offset_sf:
reg = LEB ();
l = SLEB ();
- frame_need_space (fc, reg);
- if (! do_debug_frames_interp)
- printf (" DW_CFA_val_offset_sf: r%ld at cfa%+ld\n",
- reg, l * fc->data_factor);
- fc->col_type[reg] = DW_CFA_val_offset;
- fc->col_offset[reg] = l * fc->data_factor;
+ if (frame_need_space (fc, reg) < 0)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_val_offset_sf: %s%s at cfa%+ld\n",
+ reg_prefix, regname (reg, 0),
+ l * fc->data_factor);
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_val_offset;
+ fc->col_offset[reg] = l * fc->data_factor;
+ }
break;
case DW_CFA_def_cfa_sf:
fc->cfa_offset = fc->cfa_offset * fc->data_factor;
fc->cfa_exp = 0;
if (! do_debug_frames_interp)
- printf (" DW_CFA_def_cfa_sf: r%d ofs %d\n",
- fc->cfa_reg, fc->cfa_offset);
+ printf (" DW_CFA_def_cfa_sf: %s ofs %d\n",
+ regname (fc->cfa_reg, 0), fc->cfa_offset);
break;
case DW_CFA_def_cfa_offset_sf:
case DW_CFA_GNU_negative_offset_extended:
reg = LEB ();
l = - LEB ();
- frame_need_space (fc, reg);
- if (! do_debug_frames_interp)
- printf (" DW_CFA_GNU_negative_offset_extended: r%ld at cfa%+ld\n",
- reg, l * fc->data_factor);
- fc->col_type[reg] = DW_CFA_offset;
- fc->col_offset[reg] = l * fc->data_factor;
+ if (frame_need_space (fc, reg) < 0)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n",
+ reg_prefix, regname (reg, 0),
+ l * fc->data_factor);
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_offset;
+ fc->col_offset[reg] = l * fc->data_factor;
+ }
break;
default:
if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user)
printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op);
else
- warn (_("unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op);
+ warn (_("unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op);
start = block_end;
}
}
frame_display_row (fc, &need_col_headers, &max_regs);
start = block_end;
+ eh_addr_size = saved_eh_addr_size;
}
printf ("\n");
#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 || version > 8)
+ {
+ warn (_("Unsupported version %lu.\n"), (unsigned long) version);
+ return 0;
+ }
+ if (version < 4)
+ warn (_("The address table data in version 3 may be wrong.\n"));
+ if (version < 5)
+ warn (_("Version 4 does not support case insensitive lookups.\n"));
+ if (version < 6)
+ warn (_("Version 5 does not include inlined functions.\n"));
+ if (version < 7)
+ warn (_("Version 6 does not include symbol attributes.\n"));
+ /* Version 7 indices generated by Gold have bad type unit references,
+ PR binutils/15021. But we don't know if the index was generated by
+ Gold or not, so to avoid worrying users with gdb-generated indices
+ we say nothing for version 7 here. */
+
+ 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);
+ if (num_cus > 1)
+ printf ("\n");
+ for (j = 0; j < num_cus; ++j)
+ {
+ int is_static;
+ gdb_index_symbol_kind kind;
+
+ cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4);
+ is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu);
+ kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu);
+ cu = GDB_INDEX_CU_VALUE (cu);
+ /* Convert to TU number if it's for a type unit. */
+ if (cu >= cu_list_elements / 2)
+ printf ("%cT%lu", num_cus > 1 ? '\t' : ' ',
+ (unsigned long) (cu - cu_list_elements / 2));
+ else
+ printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu);
+
+ switch (kind)
+ {
+ case GDB_INDEX_SYMBOL_KIND_NONE:
+ printf (_(" [no symbol information]"));
+ break;
+ case GDB_INDEX_SYMBOL_KIND_TYPE:
+ printf (is_static
+ ? _(" [static type]")
+ : _(" [global type]"));
+ break;
+ case GDB_INDEX_SYMBOL_KIND_VARIABLE:
+ printf (is_static
+ ? _(" [static variable]")
+ : _(" [global variable]"));
+ break;
+ case GDB_INDEX_SYMBOL_KIND_FUNCTION:
+ printf (is_static
+ ? _(" [static function]")
+ : _(" [global function]"));
+ break;
+ case GDB_INDEX_SYMBOL_KIND_OTHER:
+ printf (is_static
+ ? _(" [static other]")
+ : _(" [global other]"));
+ break;
+ default:
+ printf (is_static
+ ? _(" [static unknown: %d]")
+ : _(" [global unknown: %d]"),
+ kind);
+ break;
+ }
+ if (num_cus > 1)
+ printf ("\n");
+ }
+ if (num_cus <= 1)
+ printf ("\n");
+ }
+ }
+
+ return 1;
+}
+
+/* Collection of CU/TU section sets from .debug_cu_index and .debug_tu_index
+ sections. Each set is stored in SHNDX_POOL as a zero-terminated list of
+ section indexes comprising one set of debug sections from a .dwo file. */
+
+int cu_tu_indexes_read = 0;
+unsigned int *shndx_pool = NULL;
+unsigned int shndx_pool_size = 0;
+unsigned int shndx_pool_used = 0;
+
+/* Pre-allocate enough space for the CU/TU sets needed. */
+
+static void
+prealloc_cu_tu_list (unsigned int nshndx)
+{
+ if (shndx_pool == NULL)
+ {
+ shndx_pool_size = nshndx;
+ shndx_pool_used = 0;
+ shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size,
+ sizeof (unsigned int));
+ }
+ else
+ {
+ shndx_pool_size = shndx_pool_used + nshndx;
+ shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size,
+ sizeof (unsigned int));
+ }
+}
+
+static void
+add_shndx_to_cu_tu_entry (unsigned int shndx)
+{
+ if (shndx_pool_used >= shndx_pool_size)
+ {
+ error (_("Internal error: out of space in the shndx pool.\n"));
+ return;
+ }
+ shndx_pool [shndx_pool_used++] = shndx;
+}
+
+static void
+end_cu_tu_entry (void)
+{
+ if (shndx_pool_used >= shndx_pool_size)
+ {
+ error (_("Internal error: out of space in the shndx pool.\n"));
+ return;
+ }
+ shndx_pool [shndx_pool_used++] = 0;
+}
+
+/* Process a CU or TU index. If DO_DISPLAY is true, print the contents. */
+
+static int
+process_cu_tu_index (struct dwarf_section *section, int do_display)
+{
+ unsigned char *phdr = section->start;
+ unsigned char *limit = phdr + section->size;
+ unsigned char *phash;
+ unsigned char *pindex;
+ unsigned char *ppool;
+ unsigned int version;
+ unsigned int nused;
+ unsigned int nslots;
+ unsigned int i;
+
+ version = byte_get (phdr, 4);
+ nused = byte_get (phdr + 8, 4);
+ nslots = byte_get (phdr + 12, 4);
+ phash = phdr + 16;
+ pindex = phash + nslots * 8;
+ ppool = pindex + nslots * 4;
+
+ if (!do_display)
+ prealloc_cu_tu_list((limit - ppool) / 4);
+
+ if (do_display)
+ {
+ printf (_("Contents of the %s section:\n\n"), section->name);
+ printf (_(" Version: %d\n"), version);
+ printf (_(" Number of used entries: %d\n"), nused);
+ printf (_(" Number of slots: %d\n\n"), nslots);
+ }
+
+ if (ppool > limit)
+ {
+ warn (_("Section %s too small for %d hash table entries\n"),
+ section->name, nslots);
+ return 0;
+ }
+
+ for (i = 0; i < nslots; i++)
+ {
+ dwarf_vma signature_high;
+ dwarf_vma signature_low;
+ unsigned int j;
+ unsigned char *shndx_list;
+ unsigned int shndx;
+ char buf[64];
+
+ byte_get_64 (phash, &signature_high, &signature_low);
+ if (signature_high != 0 || signature_low != 0)
+ {
+ j = byte_get (pindex, 4);
+ shndx_list = ppool + j * 4;
+ if (do_display)
+ printf (_(" [%3d] Signature: 0x%s Sections: "),
+ i, dwarf_vmatoa64 (signature_high, signature_low,
+ buf, sizeof (buf)));
+ for (;;)
+ {
+ if (shndx_list >= limit)
+ {
+ warn (_("Section %s too small for shndx pool\n"),
+ section->name);
+ return 0;
+ }
+ shndx = byte_get (shndx_list, 4);
+ if (shndx == 0)
+ break;
+ if (do_display)
+ printf (" %d", shndx);
+ else
+ add_shndx_to_cu_tu_entry (shndx);
+ shndx_list += 4;
+ }
+ if (do_display)
+ printf ("\n");
+ else
+ end_cu_tu_entry ();
+ }
+ phash += 8;
+ pindex += 4;
+ }
+
+ if (do_display)
+ printf ("\n");
+
+ return 1;
+}
+
+/* Load the CU and TU indexes if present. This will build a list of
+ 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
+load_cu_tu_indexes (void *file)
+{
+ /* 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);
+
+ cu_tu_indexes_read = 1;
+}
+
+/* Find the set of sections that includes section SHNDX. */
+
+unsigned int *
+find_cu_tu_set (void *file, unsigned int shndx)
+{
+ unsigned int i;
+
+ load_cu_tu_indexes (file);
+
+ /* Find SHNDX in the shndx pool. */
+ for (i = 0; i < shndx_pool_used; i++)
+ if (shndx_pool [i] == shndx)
+ break;
+
+ if (i >= shndx_pool_used)
+ return NULL;
+
+ /* Now backup to find the first entry in the set. */
+ while (i > 0 && shndx_pool [i - 1] != 0)
+ i--;
+
+ return shndx_pool + i;
+}
+
+/* Display a .debug_cu_index or .debug_tu_index section. */
+
+static int
+display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED)
+{
+ return process_cu_tu_index (section, 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)
{
- enum dwarf_section_display_enum i;
+ unsigned int i;
free_abbrevs ();
for (i = 0; i < max; i++)
- free_debug_section (i);
+ free_debug_section ((enum dwarf_section_display_enum) i);
if (debug_information != NULL)
{
}
}
+void
+dwarf_select_sections_by_names (const char *names)
+{
+ typedef struct
+ {
+ const char * option;
+ int * variable;
+ int val;
+ }
+ debug_dump_long_opts;
+
+ static const debug_dump_long_opts opts_table [] =
+ {
+ /* Please keep this table alpha- sorted. */
+ { "Ranges", & do_debug_ranges, 1 },
+ { "abbrev", & do_debug_abbrevs, 1 },
+ { "addr", & do_debug_addr, 1 },
+ { "aranges", & do_debug_aranges, 1 },
+ { "cu_index", & do_debug_cu_index, 1 },
+ { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED },
+ { "frames", & do_debug_frames, 1 },
+ { "frames-interp", & do_debug_frames_interp, 1 },
+ /* The special .gdb_index section. */
+ { "gdb_index", & do_gdb_index, 1 },
+ { "info", & do_debug_info, 1 },
+ { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */
+ { "loc", & do_debug_loc, 1 },
+ { "macro", & do_debug_macinfo, 1 },
+ { "pubnames", & do_debug_pubnames, 1 },
+ { "pubtypes", & do_debug_pubtypes, 1 },
+ /* This entry is for compatability
+ with earlier versions of readelf. */
+ { "ranges", & do_debug_aranges, 1 },
+ { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW },
+ { "str", & do_debug_str, 1 },
+ /* These trace_* sections are used by Itanium VMS. */
+ { "trace_abbrev", & do_trace_abbrevs, 1 },
+ { "trace_aranges", & do_trace_aranges, 1 },
+ { "trace_info", & do_trace_info, 1 },
+ { NULL, NULL, 0 }
+ };
+
+ const char *p;
+
+ p = names;
+ while (*p)
+ {
+ const debug_dump_long_opts * entry;
+
+ for (entry = opts_table; entry->option; entry++)
+ {
+ size_t len = strlen (entry->option);
+
+ if (strncmp (p, entry->option, len) == 0
+ && (p[len] == ',' || p[len] == '\0'))
+ {
+ * entry->variable |= entry->val;
+
+ /* The --debug-dump=frames-interp option also
+ enables the --debug-dump=frames option. */
+ if (do_debug_frames_interp)
+ do_debug_frames = 1;
+
+ p += len;
+ break;
+ }
+ }
+
+ if (entry->option == NULL)
+ {
+ warn (_("Unrecognized debug option '%s'\n"), p);
+ p = strchr (p, ',');
+ if (p == NULL)
+ break;
+ }
+
+ if (*p == ',')
+ p++;
+ }
+}
+
+void
+dwarf_select_sections_by_letters (const char *letters)
+{
+ unsigned int lindex = 0;
+
+ while (letters[lindex])
+ switch (letters[lindex++])
+ {
+ case 'i':
+ do_debug_info = 1;
+ break;
+
+ case 'a':
+ do_debug_abbrevs = 1;
+ break;
+
+ case 'l':
+ do_debug_lines |= FLAG_DEBUG_LINES_RAW;
+ break;
+
+ case 'L':
+ do_debug_lines |= FLAG_DEBUG_LINES_DECODED;
+ break;
+
+ case 'p':
+ do_debug_pubnames = 1;
+ break;
+
+ case 't':
+ do_debug_pubtypes = 1;
+ break;
+
+ case 'r':
+ do_debug_aranges = 1;
+ break;
+
+ case 'R':
+ do_debug_ranges = 1;
+ break;
+
+ case 'F':
+ do_debug_frames_interp = 1;
+ case 'f':
+ do_debug_frames = 1;
+ break;
+
+ case 'm':
+ do_debug_macinfo = 1;
+ break;
+
+ case 's':
+ do_debug_str = 1;
+ break;
+
+ case 'o':
+ do_debug_loc = 1;
+ break;
+
+ default:
+ warn (_("Unrecognized debug option '%s'\n"), optarg);
+ break;
+ }
+}
+
+void
+dwarf_select_sections_all (void)
+{
+ do_debug_info = 1;
+ do_debug_abbrevs = 1;
+ do_debug_lines = FLAG_DEBUG_LINES_RAW;
+ do_debug_pubnames = 1;
+ do_debug_pubtypes = 1;
+ do_debug_aranges = 1;
+ do_debug_ranges = 1;
+ do_debug_frames = 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;
+ do_debug_addr = 1;
+ do_debug_cu_index = 1;
+}
+
struct dwarf_section_display debug_displays[] =
{
- { { ".debug_abbrev", NULL, 0, 0 },
- display_debug_abbrev, 0, 0 },
- { { ".debug_aranges", NULL, 0, 0 },
- display_debug_aranges, 0, 0 },
- { { ".debug_frame", NULL, 0, 0 },
- display_debug_frames, 1, 0 },
- { { ".debug_info", NULL, 0, 0 },
- display_debug_info, 1, 0 },
- { { ".debug_line", NULL, 0, 0 },
- display_debug_lines, 0, 0 },
- { { ".debug_pubnames", NULL, 0, 0 },
- display_debug_pubnames, 0, 0 },
- { { ".eh_frame", NULL, 0, 0 },
- display_debug_frames, 1, 1 },
- { { ".debug_macinfo", NULL, 0, 0 },
- display_debug_macinfo, 0, 0 },
- { { ".debug_str", NULL, 0, 0 },
- display_debug_str, 0, 0 },
- { { ".debug_loc", NULL, 0, 0 },
- display_debug_loc, 0, 0 },
- { { ".debug_pubtypes", NULL, 0, 0 },
- display_debug_pubnames, 0, 0 },
- { { ".debug_ranges", NULL, 0, 0 },
- display_debug_ranges, 0, 0 },
- { { ".debug_static_func", NULL, 0, 0 },
- display_debug_not_supported, 0, 0 },
- { { ".debug_static_vars", NULL, 0, 0 },
- display_debug_not_supported, 0, 0 },
- { { ".debug_types", NULL, 0, 0 },
- display_debug_not_supported, 0, 0 },
- { { ".debug_weaknames", NULL, 0, 0 },
- display_debug_not_supported, 0, 0 }
+ { { ".debug_abbrev", ".zdebug_abbrev", NULL, NULL, 0, 0, 0 },
+ display_debug_abbrev, &do_debug_abbrevs, 0 },
+ { { ".debug_aranges", ".zdebug_aranges", NULL, NULL, 0, 0, 0 },
+ display_debug_aranges, &do_debug_aranges, 1 },
+ { { ".debug_frame", ".zdebug_frame", NULL, NULL, 0, 0, 0 },
+ display_debug_frames, &do_debug_frames, 1 },
+ { { ".debug_info", ".zdebug_info", NULL, NULL, 0, 0, abbrev },
+ display_debug_info, &do_debug_info, 1 },
+ { { ".debug_line", ".zdebug_line", NULL, NULL, 0, 0, 0 },
+ display_debug_lines, &do_debug_lines, 1 },
+ { { ".debug_pubnames", ".zdebug_pubnames", NULL, NULL, 0, 0, 0 },
+ display_debug_pubnames, &do_debug_pubnames, 0 },
+ { { ".eh_frame", "", NULL, NULL, 0, 0, 0 },
+ display_debug_frames, &do_debug_frames, 1 },
+ { { ".debug_macinfo", ".zdebug_macinfo", NULL, NULL, 0, 0, 0 },
+ display_debug_macinfo, &do_debug_macinfo, 0 },
+ { { ".debug_macro", ".zdebug_macro", NULL, NULL, 0, 0, 0 },
+ display_debug_macro, &do_debug_macinfo, 1 },
+ { { ".debug_str", ".zdebug_str", NULL, NULL, 0, 0, 0 },
+ display_debug_str, &do_debug_str, 0 },
+ { { ".debug_loc", ".zdebug_loc", NULL, NULL, 0, 0, 0 },
+ display_debug_loc, &do_debug_loc, 1 },
+ { { ".debug_pubtypes", ".zdebug_pubtypes", NULL, NULL, 0, 0, 0 },
+ display_debug_pubnames, &do_debug_pubtypes, 0 },
+ { { ".debug_ranges", ".zdebug_ranges", NULL, NULL, 0, 0, 0 },
+ display_debug_ranges, &do_debug_ranges, 1 },
+ { { ".debug_static_func", ".zdebug_static_func", NULL, NULL, 0, 0, 0 },
+ display_debug_not_supported, NULL, 0 },
+ { { ".debug_static_vars", ".zdebug_static_vars", NULL, NULL, 0, 0, 0 },
+ display_debug_not_supported, NULL, 0 },
+ { { ".debug_types", ".zdebug_types", NULL, NULL, 0, 0, abbrev },
+ display_debug_types, &do_debug_info, 1 },
+ { { ".debug_weaknames", ".zdebug_weaknames", NULL, NULL, 0, 0, 0 },
+ display_debug_not_supported, NULL, 0 },
+ { { ".gdb_index", "", NULL, NULL, 0, 0, 0 },
+ display_gdb_index, &do_gdb_index, 0 },
+ { { ".trace_info", "", NULL, NULL, 0, 0, trace_abbrev },
+ display_trace_info, &do_trace_info, 1 },
+ { { ".trace_abbrev", "", NULL, NULL, 0, 0, 0 },
+ display_debug_abbrev, &do_trace_abbrevs, 0 },
+ { { ".trace_aranges", "", NULL, NULL, 0, 0, 0 },
+ display_debug_aranges, &do_trace_aranges, 0 },
+ { { ".debug_info.dwo", ".zdebug_info.dwo", NULL, NULL, 0, 0, abbrev_dwo },
+ display_debug_info, &do_debug_info, 1 },
+ { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NULL, NULL, 0, 0, 0 },
+ display_debug_abbrev, &do_debug_abbrevs, 0 },
+ { { ".debug_types.dwo", ".zdebug_types.dwo", NULL, NULL, 0, 0, abbrev_dwo },
+ display_debug_types, &do_debug_info, 1 },
+ { { ".debug_line.dwo", ".zdebug_line.dwo", NULL, NULL, 0, 0, 0 },
+ display_debug_lines, &do_debug_lines, 1 },
+ { { ".debug_loc.dwo", ".zdebug_loc.dwo", NULL, NULL, 0, 0, 0 },
+ display_debug_loc, &do_debug_loc, 1 },
+ { { ".debug_macro.dwo", ".zdebug_macro.dwo", NULL, NULL, 0, 0, 0 },
+ display_debug_macro, &do_debug_macinfo, 1 },
+ { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NULL, NULL, 0, 0, 0 },
+ display_debug_macinfo, &do_debug_macinfo, 0 },
+ { { ".debug_str.dwo", ".zdebug_str.dwo", NULL, NULL, 0, 0, 0 },
+ display_debug_str, &do_debug_str, 1 },
+ { { ".debug_str_offsets", ".zdebug_str_offsets", NULL, NULL, 0, 0, 0 },
+ display_debug_str_offsets, NULL, 0 },
+ { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NULL, NULL, 0, 0, 0 },
+ display_debug_str_offsets, NULL, 0 },
+ { { ".debug_addr", ".zdebug_addr", NULL, NULL, 0, 0, 0 },
+ display_debug_addr, &do_debug_addr, 1 },
+ { { ".debug_cu_index", "", NULL, NULL, 0, 0, 0 },
+ display_cu_index, &do_debug_cu_index, 0 },
+ { { ".debug_tu_index", "", NULL, NULL, 0, 0, 0 },
+ display_cu_index, &do_debug_cu_index, 0 },
};
projects / deliverable / binutils-gdb.git / blobdiff