mono/metadata/pedump.c

   1 /*
   2  * pedump.c: Dumps the contents of an extended PE/COFF file
   3  *
   4  * Author:
   5  *   Miguel de Icaza (miguel@ximian.com)
   6  *
   7  * (C) 2001 Ximian, Inc.
   8  */
   9 #include <config.h>
  10 #include <stdio.h>
  11 #include "assembly.h"
  12 #include <glib.h>
  13 #include "cil-coff.h"
  14
  15 static void
  16 hex_dump (char *buffer, int base, int count)
  17 {
  18         int i;
  19
  20         for (i = 0; i < count; i++){
  21                 if ((i % 16) == 0)
  22                         printf ("\n0x%08x: ", (unsigned char) base + i);
  23
  24                 printf ("%02x ", (unsigned char) (buffer [i]));
  25         }
  26 }
  27
  28 static void
  29 hex8 (char *label, unsigned char x)
  30 {
  31         printf ("\t%s: 0x%02x\n", label, (unsigned char) x);
  32 }
  33
  34 static void
  35 hex16 (char *label, guint16 x)
  36 {
  37         printf ("\t%s: 0x%04x\n", label, x);
  38 }
  39
  40 static void
  41 hex32 (char *label, guint32 x)
  42 {
  43         printf ("\t%s: 0x%08x\n", label, x);
  44 }
  45
  46 static void
  47 dump_coff_header (coff_header_t *coff)
  48 {
  49         printf ("\nCOFF Header:\n");
  50         hex16 ("                Machine", coff->coff_machine);
  51         hex16 ("               Sections", coff->coff_sections);
  52         hex32 ("             Time stamp", coff->coff_time);
  53         hex32 ("Pointer to Symbol Table", coff->coff_symptr);
  54         hex32 ("           Symbol Count", coff->coff_symcount);
  55         hex16 ("   Optional Header Size", coff->coff_opt_header_size);
  56         hex16 ("        Characteristics", coff->coff_attributes);
  57
  58 }
  59
  60 static void
  61 dump_pe_header (pe_header_t *pe)
  62 {
  63         printf ("\nPE Header:\n");
  64         hex16 ("         Magic (0x010b)", pe->pe_magic);
  65         hex8  ("             LMajor (6)", pe->pe_major);
  66         hex8  ("             LMinor (0)", pe->pe_minor);
  67         hex32 ("              Code Size", pe->pe_code_size);
  68         hex32 ("  Initialized Data Size", pe->pe_data_size);
  69         hex32 ("Uninitialized Data Size", pe->pe_uninit_data_size);
  70         hex32 ("        Entry Point RVA", pe->pe_rva_entry_point);
  71         hex32 ("          Code Base RVA", pe->pe_rva_code_base);
  72         hex32 ("          Data Base RVA", pe->pe_rva_data_base);
  73         printf ("\n");
  74 }
  75
  76 static void
  77 dump_nt_header (pe_header_nt_t *nt)
  78 {
  79         printf ("\nNT Header:\n");
  80
  81         hex32 ("   Image Base (0x400000)", nt->pe_image_base);
  82         hex32 ("Section Alignment (8192)", nt->pe_section_align);
  83         hex32 ("   File Align (512/4096)", nt->pe_file_alignment);
  84         hex16 ("            OS Major (4)", nt->pe_os_major);
  85         hex16 ("            OS Minor (0)", nt->pe_os_minor);
  86         hex16 ("          User Major (0)", nt->pe_user_major);
  87         hex16 ("          User Minor (0)", nt->pe_user_minor);
  88         hex16 ("        Subsys major (4)", nt->pe_subsys_major);
  89         hex16 ("        Subsys minor (0)", nt->pe_subsys_minor);
  90         hex32 ("               Reserverd", nt->pe_reserved_1);
  91         hex32 ("              Image Size", nt->pe_image_size);
  92         hex32 ("             Header Size", nt->pe_header_size);
  93         hex32 ("            Checksum (0)", nt->pe_checksum);
  94         hex16 ("               Subsystem", nt->pe_subsys_required);
  95         hex16 ("           DLL Flags (0)", nt->pe_dll_flags);
  96         hex32 (" Stack Reserve Size (1M)", nt->pe_stack_reserve);
  97         hex32 ("Stack commit Size (4096)", nt->pe_stack_commit);
  98         hex32 ("  Heap Reserve Size (1M)", nt->pe_heap_reserve);
  99         hex32 (" Heap Commit Size (4096)", nt->pe_heap_commit);
 100         hex32 ("      Loader flags (0x1)", nt->pe_loader_flags);
 101         hex32 ("   Data Directories (16)", nt->pe_data_dir_count);
 102 }
 103
 104 static void
 105 dent (const char *label, pe_dir_entry_t de)
 106 {
 107         printf ("\t%s: 0x%08x [0x%08x]\n", label, de.rva, de.size);
 108 }
 109
 110 static void
 111 dump_datadir (pe_datadir_t *dd)
 112 {
 113         printf ("\nData directories:\n");
 114         dent ("     Export Table", dd->pe_export_table);
 115         dent ("     Import Table", dd->pe_import_table);
 116         dent ("   Resource Table", dd->pe_resource_table);
 117         dent ("  Exception Table", dd->pe_exception_table);
 118         dent ("Certificate Table", dd->pe_certificate_table);
 119         dent ("      Reloc Table", dd->pe_reloc_table);
 120         dent ("            Debug", dd->pe_debug);
 121         dent ("        Copyright", dd->pe_copyright);
 122         dent ("       Global Ptr", dd->pe_global_ptr);
 123         dent ("        TLS Table", dd->pe_tls_table);
 124         dent ("Load Config Table", dd->pe_load_config_table);
 125         dent ("     Bound Import", dd->pe_bound_import);
 126         dent ("              IAT", dd->pe_iat);
 127         dent ("Delay Import Desc", dd->pe_delay_import_desc);
 128         dent ("       CLI Header", dd->pe_cli_header);
 129 }
 130
 131 static void
 132 dump_dotnet_header (dotnet_header_t *header)
 133 {
 134         dump_coff_header (&header->coff);
 135         dump_pe_header (&header->pe);
 136         dump_nt_header (&header->nt);
 137         dump_datadir (&header->datadir);
 138 }
 139
 140 static void
 141 dump_section_table (section_table_t *st)
 142 {
 143         guint32 flags = st->st_flags;
 144
 145         printf ("\n\tName: %s\n", st->st_name);
 146         hex32 ("   Virtual Size", st->st_virtual_size);
 147         hex32 ("Virtual Address", st->st_virtual_address);
 148         hex32 ("  Raw Data Size", st->st_raw_data_size);
 149         hex32 ("   Raw Data Ptr", st->st_raw_data_ptr);
 150         hex32 ("      Reloc Ptr", st->st_reloc_ptr);
 151         hex32 ("     LineNo Ptr", st->st_lineno_ptr);
 152         hex16 ("    Reloc Count", st->st_reloc_count);
 153         hex16 ("     Line Count", st->st_line_count);
 154
 155         printf ("\tFlags: %s%s%s%s%s%s%s%s%s%s\n",
 156                 (flags & SECT_FLAGS_HAS_CODE) ? "code, " : "",
 157                 (flags & SECT_FLAGS_HAS_INITIALIZED_DATA) ? "data, " : "",
 158                 (flags & SECT_FLAGS_HAS_UNINITIALIZED_DATA) ? "bss, " : "",
 159                 (flags & SECT_FLAGS_MEM_DISCARDABLE) ? "discard, " : "",
 160                 (flags & SECT_FLAGS_MEM_NOT_CACHED) ? "nocache, " : "",
 161                 (flags & SECT_FLAGS_MEM_NOT_PAGED) ? "nopage, " : "",
 162                 (flags & SECT_FLAGS_MEM_SHARED) ? "shared, " : "",
 163                 (flags & SECT_FLAGS_MEM_EXECUTE) ? "exec, " : "",
 164                 (flags & SECT_FLAGS_MEM_READ) ? "read, " : "",
 165                 (flags & SECT_FLAGS_MEM_WRITE) ? "write" : "");
 166 }
 167
 168 static void
 169 dump_sections (dotnet_image_info_t *iinfo)
 170 {
 171         const int top = iinfo->dn_header.coff.coff_sections;
 172         int i;
 173
 174         for (i = 0; i < top; i++)
 175                 dump_section_table (&iinfo->dn_section_tables [i]);
 176 }
 177
 178 static void
 179 dump_cli_header (cli_header_t *ch)
 180 {
 181         printf ("\n");
 182         printf ("          CLI header size: %d\n", ch->ch_size);
 183         printf ("         Runtime required: %d.%d\n", ch->ch_runtime_major, ch->ch_runtime_minor);
 184         printf ("                    Flags: %s, %s, %s\n",
 185                 (ch->ch_flags & CLI_FLAGS_ILONLY ? "ilonly" : "contains native"),
 186                 (ch->ch_flags & CLI_FLAGS_32BITREQUIRED ? "32bits" : "32/64"),
 187                 (ch->ch_flags & CLI_FLAGS_ILONLY ? "trackdebug" : "no-trackdebug"));
 188         dent   ("         Metadata", ch->ch_metadata);
 189         hex32  ("Entry Point Token", ch->ch_entry_point);
 190         dent   ("     Resources at", ch->ch_resources);
 191         dent   ("   Strong Name at", ch->ch_strong_name);
 192         dent   ("  Code Manager at", ch->ch_code_manager_table);
 193         dent   ("  VTableFixups at", ch->ch_vtable_fixups);
 194         dent   ("     EAT jumps at", ch->ch_export_address_table_jumps);
 195 }
 196
 197 static void
 198 dsh (char *label, dotnet_image_info_t *iinfo, stream_header_t *sh)
 199 {
 200         printf ("%s: 0x%08x - 0x%08x [%d == 0x%08x]\n",
 201                 label,
 202                 sh->sh_offset, sh->sh_offset + sh->sh_size,
 203                 sh->sh_size, sh->sh_size);
 204 }
 205
 206 static void
 207 dump_metadata_ptrs (dotnet_image_info_t *iinfo)
 208 {
 209         metadata_t *meta = &iinfo->dn_metadata;
 210
 211         printf ("\nMetadata pointers:\n");
 212         dsh ("\tTables (#~)", iinfo, &meta->heap_tables);
 213         dsh ("\t    Strings", iinfo, &meta->heap_strings);
 214         dsh ("\t       Blob", iinfo, &meta->heap_blob);
 215         dsh ("\tUser string", iinfo, &meta->heap_us);
 216         dsh ("\t       GUID", iinfo, &meta->heap_guid);
 217 }
 218
 219 static const char *
 220 table_to_string (int table)
 221 {
 222         char *map_table_to_string [] = {
 223                 /* 0 */  "Module",       "TypeRef",       "TypeDef",     "FieldPtr",
 224                 /* 4 */  "FieldDef",     "MethodPtr",     "MethodDef",   "ParamPtr",
 225                 /* 8 */  "ParamDef",     "InterfaceImpl", "MemberRef",   "FieldInit",
 226                 /* 12 */ "CustomAttr",   "MarshalDef",    "Permission",  "LayoutDef",
 227                 /* 16 */ "FieldOffset",  "Signature",     "EventAssoc",  "EventPtr",
 228                 /* 20 */ "Event",        "PropertyAssoc", "PropertyPtr", "Property",
 229                 /* 24 */ "MethodAssoc",  "MethodImpl",    "ModuleRef",   "TypeSpec",
 230                 /* 28 */ "PInvoke",      "Data",          "EncLog",      "EncAssoc",
 231                 /* 32 */ "Assembly",     "ProcessorDef",  "OSDef",       "AssemblyRef",
 232                 /* 36 */ "ProcessorRef", "OSRef",         "File",        "ComType",
 233                 /* 40 */ "ManifestResource", "ExeLocation", "42",        "43",
 234                 /* 44 */ "44",           "45",            "NestedClass", "47"
 235                 /* 48 */ "48",           "49",            "50",          "51",
 236                 /* 52 */ "52",           "53",            "54",          "55"
 237                 /* 56 */ "56",           "57",            "58",          "59"
 238                 /* 60 */ "60",           "61",            "62",          "63"
 239         };
 240
 241         if (table < 0 || table > 63)
 242                 return "Unknown table name";
 243
 244         return map_table_to_string [table];
 245 }
 246
 247 static void
 248 dump_metadata (dotnet_image_info_t *iinfo)
 249 {
 250         metadata_t *meta = &iinfo->dn_metadata;
 251         int table;
 252
 253         dump_metadata_ptrs (iinfo);
 254
 255         printf ("Rows:\n");
 256         for (table = 0; table < 64; table++){
 257                 if (meta->rows [table] == 0)
 258                         continue;
 259                 printf ("Table %s (%d): %d rows\n", table_to_string (table), table, meta->rows [table]);
 260         }
 261 }
 262
 263 static void
 264 dump_dotnet_iinfo (dotnet_image_info_t *iinfo)
 265 {
 266         dump_dotnet_header (&iinfo->dn_header);
 267         dump_sections (iinfo);
 268         dump_cli_header (&iinfo->dn_cli_header);
 269         dump_metadata (iinfo);
 270 }
 271
 272 static void
 273 usage (void)
 274 {
 275         printf ("Usage is: pedump [-m] file.exe\n");
 276         exit (1);
 277 }
 278
 279 int
 280 main (int argc, char *argv [])
 281 {
 282         dotnet_image_info_t *iinfo;
 283         MonoAssembly *assembly;
 284         char *file = NULL;
 285         int i;
 286
 287         for (i = 1; i < argc; i++){
 288                 if (argv [i][0] != '-'){
 289                         file = argv [1];
 290                         continue;
 291                 }
 292
 293                 if (argv [i][1] == 'h')
 294                         usage ();
 295         }
 296
 297         if (!file)
 298                 usage ();
 299
 300         assembly = mono_assembly_open (file, NULL);
 301         iinfo = assembly->image_info;
 302
 303         dump_dotnet_iinfo (iinfo);
 304
 305         mono_assembly_close (assembly);
 306
 307         return 0;
 308 }
 309