2 * pedump.c: Dumps the contents of an extended PE/COFF file
5 * Miguel de Icaza (miguel@ximian.com)
7 * (C) 2001 Ximian, Inc.
16 #include "mono-endian.h"
18 #include <mono/metadata/class.h>
19 #include <mono/metadata/debug-helpers.h>
20 #include <mono/metadata/tokentype.h>
21 #include <mono/metadata/appdomain.h>
22 #include <mono/metadata/assembly.h>
23 #include <mono/metadata/metadata-internals.h>
24 #include <mono/metadata/class-internals.h>
25 #include <mono/metadata/verify-internals.h>
26 #include "mono/utils/mono-digest.h"
28 gboolean dump_data = TRUE;
29 gboolean verify_pe = FALSE;
30 gboolean verify_metadata = FALSE;
31 gboolean verify_code = FALSE;
35 hex_dump (const char *buffer, int base, int count)
39 for (i = 0; i < count; i++){
41 printf ("\n0x%08x: ", (unsigned char) base + i);
43 printf ("%02x ", (unsigned char) (buffer [i]));
49 hex8 (const char *label, unsigned char x)
51 printf ("\t%s: 0x%02x\n", label, (unsigned char) x);
55 hex16 (const char *label, guint16 x)
57 printf ("\t%s: 0x%04x\n", label, x);
61 hex32 (const char *label, guint32 x)
63 printf ("\t%s: 0x%08x\n", label, x);
67 dump_coff_header (MonoCOFFHeader *coff)
69 printf ("\nCOFF Header:\n");
70 hex16 (" Machine", coff->coff_machine);
71 hex16 (" Sections", coff->coff_sections);
72 hex32 (" Time stamp", coff->coff_time);
73 hex32 ("Pointer to Symbol Table", coff->coff_symptr);
74 hex32 (" Symbol Count", coff->coff_symcount);
75 hex16 (" Optional Header Size", coff->coff_opt_header_size);
76 hex16 (" Characteristics", coff->coff_attributes);
81 dump_pe_header (MonoPEHeader *pe)
83 printf ("\nPE Header:\n");
84 hex16 (" Magic (0x010b)", pe->pe_magic);
85 hex8 (" LMajor (6)", pe->pe_major);
86 hex8 (" LMinor (0)", pe->pe_minor);
87 hex32 (" Code Size", pe->pe_code_size);
88 hex32 (" Initialized Data Size", pe->pe_data_size);
89 hex32 ("Uninitialized Data Size", pe->pe_uninit_data_size);
90 hex32 (" Entry Point RVA", pe->pe_rva_entry_point);
91 hex32 (" Code Base RVA", pe->pe_rva_code_base);
92 hex32 (" Data Base RVA", pe->pe_rva_data_base);
97 dump_nt_header (MonoPEHeaderNT *nt)
99 printf ("\nNT Header:\n");
101 hex32 (" Image Base (0x400000)", nt->pe_image_base);
102 hex32 ("Section Alignment (8192)", nt->pe_section_align);
103 hex32 (" File Align (512/4096)", nt->pe_file_alignment);
104 hex16 (" OS Major (4)", nt->pe_os_major);
105 hex16 (" OS Minor (0)", nt->pe_os_minor);
106 hex16 (" User Major (0)", nt->pe_user_major);
107 hex16 (" User Minor (0)", nt->pe_user_minor);
108 hex16 (" Subsys major (4)", nt->pe_subsys_major);
109 hex16 (" Subsys minor (0)", nt->pe_subsys_minor);
110 hex32 (" Reserverd", nt->pe_reserved_1);
111 hex32 (" Image Size", nt->pe_image_size);
112 hex32 (" Header Size", nt->pe_header_size);
113 hex32 (" Checksum (0)", nt->pe_checksum);
114 hex16 (" Subsystem", nt->pe_subsys_required);
115 hex16 (" DLL Flags (0)", nt->pe_dll_flags);
116 hex32 (" Stack Reserve Size (1M)", nt->pe_stack_reserve);
117 hex32 ("Stack commit Size (4096)", nt->pe_stack_commit);
118 hex32 (" Heap Reserve Size (1M)", nt->pe_heap_reserve);
119 hex32 (" Heap Commit Size (4096)", nt->pe_heap_commit);
120 hex32 (" Loader flags (0x1)", nt->pe_loader_flags);
121 hex32 (" Data Directories (16)", nt->pe_data_dir_count);
125 dent (const char *label, MonoPEDirEntry de)
127 printf ("\t%s: 0x%08x [0x%08x]\n", label, de.rva, de.size);
131 dump_blob (const char *desc, const char* p, guint32 size)
141 for (i = 0; i < size; ++i) {
144 printf (" %02X", p [i] & 0xFF);
150 dump_public_key (MonoImage *m)
155 p = mono_image_get_public_key (m, &size);
156 dump_blob ("\nPublic key:", p, size);
160 dump_strong_name (MonoImage *m)
165 p = mono_image_get_strong_name (m, &size);
166 dump_blob ("\nStrong name:", p, size);
170 dump_datadir (MonoPEDatadir *dd)
172 printf ("\nData directories:\n");
173 dent (" Export Table", dd->pe_export_table);
174 dent (" Import Table", dd->pe_import_table);
175 dent (" Resource Table", dd->pe_resource_table);
176 dent (" Exception Table", dd->pe_exception_table);
177 dent ("Certificate Table", dd->pe_certificate_table);
178 dent (" Reloc Table", dd->pe_reloc_table);
179 dent (" Debug", dd->pe_debug);
180 dent (" Copyright", dd->pe_copyright);
181 dent (" Global Ptr", dd->pe_global_ptr);
182 dent (" TLS Table", dd->pe_tls_table);
183 dent ("Load Config Table", dd->pe_load_config_table);
184 dent (" Bound Import", dd->pe_bound_import);
185 dent (" IAT", dd->pe_iat);
186 dent ("Delay Import Desc", dd->pe_delay_import_desc);
187 dent (" CLI Header", dd->pe_cli_header);
191 dump_dotnet_header (MonoDotNetHeader *header)
193 dump_coff_header (&header->coff);
194 dump_pe_header (&header->pe);
195 dump_nt_header (&header->nt);
196 dump_datadir (&header->datadir);
200 dump_section_table (MonoSectionTable *st)
202 guint32 flags = st->st_flags;
204 printf ("\n\tName: %s\n", st->st_name);
205 hex32 (" Virtual Size", st->st_virtual_size);
206 hex32 ("Virtual Address", st->st_virtual_address);
207 hex32 (" Raw Data Size", st->st_raw_data_size);
208 hex32 (" Raw Data Ptr", st->st_raw_data_ptr);
209 hex32 (" Reloc Ptr", st->st_reloc_ptr);
210 hex32 (" LineNo Ptr", st->st_lineno_ptr);
211 hex16 (" Reloc Count", st->st_reloc_count);
212 hex16 (" Line Count", st->st_line_count);
214 printf ("\tFlags: %s%s%s%s%s%s%s%s%s%s\n",
215 (flags & SECT_FLAGS_HAS_CODE) ? "code, " : "",
216 (flags & SECT_FLAGS_HAS_INITIALIZED_DATA) ? "data, " : "",
217 (flags & SECT_FLAGS_HAS_UNINITIALIZED_DATA) ? "bss, " : "",
218 (flags & SECT_FLAGS_MEM_DISCARDABLE) ? "discard, " : "",
219 (flags & SECT_FLAGS_MEM_NOT_CACHED) ? "nocache, " : "",
220 (flags & SECT_FLAGS_MEM_NOT_PAGED) ? "nopage, " : "",
221 (flags & SECT_FLAGS_MEM_SHARED) ? "shared, " : "",
222 (flags & SECT_FLAGS_MEM_EXECUTE) ? "exec, " : "",
223 (flags & SECT_FLAGS_MEM_READ) ? "read, " : "",
224 (flags & SECT_FLAGS_MEM_WRITE) ? "write" : "");
228 dump_sections (MonoCLIImageInfo *iinfo)
230 const int top = iinfo->cli_header.coff.coff_sections;
233 for (i = 0; i < top; i++)
234 dump_section_table (&iinfo->cli_section_tables [i]);
238 dump_cli_header (MonoCLIHeader *ch)
241 printf (" CLI header size: %d\n", ch->ch_size);
242 printf (" Runtime required: %d.%d\n", ch->ch_runtime_major, ch->ch_runtime_minor);
243 printf (" Flags: %s, %s, %s, %s\n",
244 (ch->ch_flags & CLI_FLAGS_ILONLY ? "ilonly" : "contains native"),
245 (ch->ch_flags & CLI_FLAGS_32BITREQUIRED ? "32bits" : "32/64"),
246 (ch->ch_flags & CLI_FLAGS_ILONLY ? "trackdebug" : "no-trackdebug"),
247 (ch->ch_flags & CLI_FLAGS_STRONGNAMESIGNED ? "strongnamesigned" : "notsigned"));
248 dent (" Metadata", ch->ch_metadata);
249 hex32 ("Entry Point Token", ch->ch_entry_point);
250 dent (" Resources at", ch->ch_resources);
251 dent (" Strong Name at", ch->ch_strong_name);
252 dent (" Code Manager at", ch->ch_code_manager_table);
253 dent (" VTableFixups at", ch->ch_vtable_fixups);
254 dent (" EAT jumps at", ch->ch_export_address_table_jumps);
258 dsh (const char *label, MonoImage *meta, MonoStreamHeader *sh)
260 printf ("%s: 0x%08x - 0x%08x [%d == 0x%08x]\n",
262 (int)(sh->data - meta->raw_metadata), (int)(sh->data + sh->size - meta->raw_metadata),
267 dump_metadata_header (MonoImage *meta)
269 printf ("\nMetadata header:\n");
270 printf (" Version: %d.%d\n", meta->md_version_major, meta->md_version_minor);
271 printf (" Version string: %s\n", meta->version);
275 dump_metadata_ptrs (MonoImage *meta)
277 printf ("\nMetadata pointers:\n");
278 dsh ("\tTables (#~)", meta, &meta->heap_tables);
279 dsh ("\t Strings", meta, &meta->heap_strings);
280 dsh ("\t Blob", meta, &meta->heap_blob);
281 dsh ("\tUser string", meta, &meta->heap_us);
282 dsh ("\t GUID", meta, &meta->heap_guid);
286 dump_metadata (MonoImage *meta)
290 dump_metadata_header (meta);
292 dump_metadata_ptrs (meta);
295 for (table = 0; table < MONO_TABLE_NUM; table++){
296 if (meta->tables [table].rows == 0)
298 printf ("Table %s: %d records (%d bytes, at %p)\n",
299 mono_meta_table_name (table),
300 meta->tables [table].rows,
301 meta->tables [table].row_size,
302 meta->tables [table].base
308 dump_methoddef (MonoImage *metadata, guint32 token)
314 loc = mono_metadata_locate_token (metadata, token);
316 printf ("RVA for Entry Point: 0x%08x\n", read32 (loc));
320 dump_dotnet_iinfo (MonoImage *image)
322 MonoCLIImageInfo *iinfo = image->image_info;
324 dump_dotnet_header (&iinfo->cli_header);
325 dump_sections (iinfo);
326 dump_cli_header (&iinfo->cli_cli_header);
327 dump_strong_name (image);
328 dump_public_key (image);
329 dump_metadata (image);
331 dump_methoddef (image, iinfo->cli_cli_header.ch_entry_point);
335 dump_verify_info (MonoImage *image, int flags)
337 GSList *errors, *tmp;
338 int count = 0, verifiable = 0;
339 const char* desc [] = {
340 "Ok", "Error", "Warning", NULL, "CLS", NULL, NULL, NULL, "Not Verifiable"
343 if (verify_metadata) {
344 errors = mono_image_verify_tables (image, flags);
346 for (tmp = errors; tmp; tmp = tmp->next) {
347 MonoVerifyInfo *info = tmp->data;
348 g_print ("%s: %s\n", desc [info->status], info->message);
349 if (info->status == MONO_VERIFY_ERROR)
352 mono_free_verify_list (errors);
355 if (verify_code) { /* verify code */
357 MonoTableInfo *m = &image->tables [MONO_TABLE_METHOD];
359 for (i = 0; i < m->rows; ++i) {
361 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i+1), NULL);
362 errors = mono_method_verify (method, flags);
365 MonoClass *klass = mono_method_get_class (method);
366 sig = mono_signature_get_desc (mono_method_signature (method), FALSE);
367 name = mono_type_full_name (&klass->byval_arg);
368 g_print ("In method: %s::%s(%s)\n", name, mono_method_get_name (method), sig);
373 for (tmp = errors; tmp; tmp = tmp->next) {
374 MonoVerifyInfo *info = tmp->data;
375 g_print ("%s: %s\n", desc [info->status], info->message);
376 if (info->status == MONO_VERIFY_ERROR) {
380 if(info->status == MONO_VERIFY_NOT_VERIFIABLE) {
385 mono_free_verify_list (errors);
390 g_print ("Error count: %d\n", count);
397 printf ("Usage is: pedump [--verify error,warn,cls,all,code,fail-on-verifiable,non-strict,valid-only] file.exe\n");
401 #define VALID_ONLY_FLAG 0x08000000
402 #define VERIFY_CODE_ONLY MONO_VERIFY_ALL + 1
404 main (int argc, char *argv [])
409 MiniVerifierMode verifier_mode = MONO_VERIFIER_MODE_VERIFIABLE;
410 const char *flag_desc [] = {"error", "warn", "cls", "all", "code", "fail-on-verifiable", "non-strict", "valid-only", NULL};
411 guint flag_vals [] = {MONO_VERIFY_ERROR, MONO_VERIFY_WARNING, MONO_VERIFY_CLS, MONO_VERIFY_ALL, VERIFY_CODE_ONLY, MONO_VERIFY_FAIL_FAST, MONO_VERIFY_NON_STRICT, VALID_ONLY_FLAG, 0};
414 for (i = 1; i < argc; i++){
415 if (argv [i][0] != '-'){
420 if (strcmp (argv [i], "--help") == 0)
422 else if (strcmp (argv [i], "--verify") == 0) {
435 mono_perfcounters_init ();
436 mono_metadata_init ();
438 mono_assemblies_init ();
441 image = mono_image_open (file, NULL);
443 fprintf (stderr, "Can not open image %s\n", file);
448 dump_dotnet_iinfo (image);
450 int f = MONO_VERIFY_REPORT_ALL_ERRORS;
451 char *tok = strtok (flags, ",");
452 MonoAssembly *assembly;
456 for (i = 0; flag_desc [i]; ++i) {
457 if (strcmp (tok, flag_desc [i]) == 0) {
458 if (flag_vals [i] == VERIFY_CODE_ONLY) {
461 } else if(flag_vals [i] == MONO_VERIFY_ALL)
463 if (flag_vals [i] == VALID_ONLY_FLAG)
464 verifier_mode = MONO_VERIFIER_MODE_VALID;
471 g_print ("Unknown verify flag %s\n", tok);
472 tok = strtok (NULL, ",");
475 mono_verifier_set_mode (verifier_mode);
476 mono_init_from_assembly (file, file);
477 assembly = mono_assembly_open (file, NULL);
480 g_print ("Could not open assembly %s\n", file);
484 return dump_verify_info (assembly->image, f);
486 mono_image_close (image);