X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mono%2Fdis%2Fmain.c;h=c6688cd364a68e2be64e2256318c21170edf8be8;hb=b762d47e697cf5272cd0eadd3d2168ef0d942a10;hp=089b2c4d12b61d57191bff60274fe7793a339ad4;hpb=a6fd7214786e3034132f025e2a3ff00c2dd95e0e;p=mono.git diff --git a/mono/dis/main.c b/mono/dis/main.c index 089b2c4d12b..c6688cd364a 100644 --- a/mono/dis/main.c +++ b/mono/dis/main.c @@ -1,5 +1,5 @@ /* - * dis.c: Sample disassembler + * main.c: Sample disassembler * * Author: * Miguel de Icaza (miguel@ximian.com) @@ -9,33 +9,35 @@ * TODO: * Investigate how interface inheritance works and how it should be dumped. * Structs are not being labeled as `valuetype' classes - * Support CustomMods. - * + * + * How are fields with literals mapped to constants? */ #include #include #include #include -#include -#include -#include -#include -#include -#include -#include -#include -#include +#include +#include +#include "meta.h" #include "util.h" +#include "dump.h" +#include "get.h" +#include "dis-cil.h" +#include +#include +#include FILE *output; /* True if you want to get a dump of the header data */ gboolean dump_header_data_p = FALSE; +gboolean substitute_with_mscorlib_p = FALSE; + int dump_table = -1; static void -dump_header_data (MonoAssembly *ass) +dump_header_data (MonoImage *img) { if (!dump_header_data_p) return; @@ -45,108 +47,170 @@ dump_header_data (MonoAssembly *ass) "// Copyright (C) 2001 Ximian, Inc.\n\n"); } -#define CSIZE(x) (sizeof (x) / 4) static void -expand (metadata_tableinfo_t *t, int idx, guint32 *res, int res_size) +dump_cattrs (MonoImage *m, guint32 token, const char *indent) { - guint32 bitfield = t->size_bitfield; - int i, count = meta_table_count (bitfield); - char *data = t->base + idx * t->row_size; - - g_assert (res_size == count); - - for (i = 0; i < count; i++){ - int n = meta_table_size (bitfield, i); - - switch (n){ - case 1: - res [i] = *data; break; - case 2: - res [i] = read16 (data); break; - - case 4: - res [i] = read32 (data); break; - - default: - g_assert_not_reached (); - } - data += n; + GList *tmp, *list; + + list = dis_get_custom_attrs (m, token); + for (tmp = list; tmp; tmp = tmp->next) { + fprintf (output, "%s%s\n", indent, (char*)tmp->data); + g_free (tmp->data); } + g_list_free (list); } static void -dis_directive_assembly (metadata_t *m) +dis_directive_assembly (MonoImage *m) { - metadata_tableinfo_t *t = &m->tables [META_TABLE_ASSEMBLY]; - guint32 cols [9]; + MonoTableInfo *t = &m->tables [MONO_TABLE_ASSEMBLY]; + guint32 cols [MONO_ASSEMBLY_SIZE]; if (t->base == NULL) return; - expand (t, 0, cols, CSIZE (cols)); + mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE); + fprintf (output, ".assembly '%s'\n{\n", + mono_metadata_string_heap (m, cols [MONO_ASSEMBLY_NAME])); + dump_cattrs (m, MONO_TOKEN_ASSEMBLY | 1, " "); fprintf (output, - ".assembly %s\n" - "{\n" " .hash algorithm 0x%08x\n" - " .ver %d.%d.%d.%d" - "%s %s" - "%s" - "\n" - "}\n", - mono_metadata_string_heap (m, cols [7]), - cols [0], - cols [1], cols [2], cols [3], cols [4], - cols [8] ? "\n .locale" : "", - cols [8] ? mono_metadata_string_heap (m, cols [8]) : "", - cols [6] ? "\n .publickey" : "" - ); + " .ver %d:%d:%d:%d\n", + cols [MONO_ASSEMBLY_HASH_ALG], + cols [MONO_ASSEMBLY_MAJOR_VERSION], cols [MONO_ASSEMBLY_MINOR_VERSION], + cols [MONO_ASSEMBLY_BUILD_NUMBER], cols [MONO_ASSEMBLY_REV_NUMBER]); + if (cols [MONO_ASSEMBLY_CULTURE]) + fprintf (output, " .locale %s\n", mono_metadata_string_heap (m, cols [MONO_ASSEMBLY_CULTURE])); + if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) { + const char* b = mono_metadata_blob_heap (m, cols [MONO_ASSEMBLY_PUBLIC_KEY]); + int len = mono_metadata_decode_blob_size (b, &b); + char *dump = data_dump (b, len, "\t\t"); + fprintf (output, " .publickey =%s", dump); + g_free (dump); + } + fprintf (output, "}\n"); } static void -dis_directive_assemblyref (metadata_t *m) +dis_directive_assemblyref (MonoImage *m) { - metadata_tableinfo_t *t = &m->tables [META_TABLE_ASSEMBLYREF]; - guint32 cols [9]; + MonoTableInfo *t = &m->tables [MONO_TABLE_ASSEMBLYREF]; + guint32 cols [MONO_ASSEMBLYREF_SIZE]; int i; if (t->base == NULL) return; for (i = 0; i < t->rows; i++){ - expand (t, i, cols, CSIZE (cols)); + mono_metadata_decode_row (t, i, cols, MONO_ASSEMBLYREF_SIZE); fprintf (output, ".assembly extern %s\n" "{\n" - " .ver %d.%d.%d.%d\n" + " .ver %d:%d:%d:%d\n" "}\n", - mono_metadata_string_heap (m, cols [6]), - cols [0], cols [1], cols [2], cols [3] + mono_metadata_string_heap (m, cols [MONO_ASSEMBLYREF_NAME]), + cols [MONO_ASSEMBLYREF_MAJOR_VERSION], cols [MONO_ASSEMBLYREF_MINOR_VERSION], + cols [MONO_ASSEMBLYREF_BUILD_NUMBER], cols [MONO_ASSEMBLYREF_REV_NUMBER] ); } } -static map_t visibility_map [] = { +static void +dis_directive_module (MonoImage *m) +{ + MonoTableInfo *t = &m->tables [MONO_TABLE_MODULE]; + int i; + + for (i = 0; i < t->rows; i++){ + guint32 cols [MONO_MODULE_SIZE]; + const char *name; + char *guid, *ename; + + mono_metadata_decode_row (t, i, cols, MONO_MODULE_SIZE); + + name = mono_metadata_string_heap (m, cols [MONO_MODULE_NAME]); + ename = get_escaped_name (name); + guid = get_guid (m, cols [MONO_MODULE_MVID]); + fprintf (output, ".module %s // GUID = %s\n\n", ename, guid); + g_free (ename); + + dump_cattrs (m, MONO_TOKEN_MODULE | (i + 1), ""); + } +} + +static void +dis_directive_moduleref (MonoImage *m) +{ + MonoTableInfo *t = &m->tables [MONO_TABLE_MODULEREF]; + int i; + + for (i = 0; i < t->rows; i++){ + guint32 cols [MONO_MODULEREF_SIZE]; + const char *name; + + mono_metadata_decode_row (t, i, cols, MONO_MODULEREF_SIZE); + + name = mono_metadata_string_heap (m, cols [MONO_MODULEREF_NAME]); + fprintf (output, ".module extern %s\n", name); + } + +} + +static void +dis_directive_file (MonoImage *m) +{ + MonoTableInfo *t = &m->tables [MONO_TABLE_FILE]; + int i, j, len; + guint32 entry_point; + + entry_point = mono_image_get_entry_point (m); + + for (i = 0; i < t->rows; i++){ + guint32 cols [MONO_FILE_SIZE]; + const char *name, *hash; + guint32 token; + + mono_metadata_decode_row (t, i, cols, MONO_FILE_SIZE); + + name = mono_metadata_string_heap (m, cols [MONO_FILE_NAME]); + + hash = mono_metadata_blob_heap (m, cols [MONO_FILE_HASH_VALUE]); + len = mono_metadata_decode_blob_size (hash, &hash); + + fprintf (output, ".file %s%s .hash = (", name, + cols [MONO_FILE_FLAGS] & FILE_CONTAINS_NO_METADATA ? " nometadata" : ""); + + for (j = 0; j < len; ++j) + fprintf (output, " %02X", hash [j] & 0xff); + + token = mono_metadata_make_token (MONO_TABLE_FILE, i + 1); + fprintf (output, " )%s\n", (token == entry_point) ? " .entrypoint" : ""); + } + +} + +static dis_map_t visibility_map [] = { { TYPE_ATTRIBUTE_NOT_PUBLIC, "private " }, { TYPE_ATTRIBUTE_PUBLIC, "public " }, - { TYPE_ATTRIBUTE_NESTED_PUBLIC, "nested-public " }, - { TYPE_ATTRIBUTE_NESTED_PRIVATE, "nested-private " }, - { TYPE_ATTRIBUTE_NESTED_FAMILY, "family " }, - { TYPE_ATTRIBUTE_NESTED_ASSEMBLY, "nested-assembly" }, - { TYPE_ATTRIBUTE_NESTED_FAM_AND_ASSEM, "nested-fam-and-assembly" }, - { TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM, "nested-fam-or-assembly" }, + { TYPE_ATTRIBUTE_NESTED_PUBLIC, "nested public " }, + { TYPE_ATTRIBUTE_NESTED_PRIVATE, "nested private " }, + { TYPE_ATTRIBUTE_NESTED_FAMILY, "nested family " }, + { TYPE_ATTRIBUTE_NESTED_ASSEMBLY, "nested assembly " }, + { TYPE_ATTRIBUTE_NESTED_FAM_AND_ASSEM, "nested famandassem " }, + { TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM, "nested famorassem " }, { 0, NULL } }; -static map_t layout_map [] = { +static dis_map_t layout_map [] = { { TYPE_ATTRIBUTE_AUTO_LAYOUT, "auto " }, { TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT, "sequential " }, { TYPE_ATTRIBUTE_EXPLICIT_LAYOUT, "explicit " }, { 0, NULL } }; -static map_t format_map [] = { +static dis_map_t format_map [] = { { TYPE_ATTRIBUTE_ANSI_CLASS, "ansi " }, { TYPE_ATTRIBUTE_UNICODE_CLASS, "unicode " }, { TYPE_ATTRIBUTE_AUTO_CLASS, "auto " }, @@ -183,405 +247,6 @@ typedef_flags (guint32 flags) return buffer; } -static map_t field_access_map [] = { - { FIELD_ATTRIBUTE_COMPILER_CONTROLLED, "compilercontrolled " }, - { FIELD_ATTRIBUTE_PRIVATE, "private " }, - { FIELD_ATTRIBUTE_FAM_AND_ASSEM, "famandassem " }, - { FIELD_ATTRIBUTE_ASSEMBLY, "assembly " }, - { FIELD_ATTRIBUTE_FAMILY, "family " }, - { FIELD_ATTRIBUTE_FAM_OR_ASSEM, "famorassem " }, - { FIELD_ATTRIBUTE_PUBLIC, "public " }, - { 0, NULL } -}; - -static map_t field_flags_map [] = { - { FIELD_ATTRIBUTE_STATIC, "static " }, - { FIELD_ATTRIBUTE_INIT_ONLY, "initonly " }, - { FIELD_ATTRIBUTE_LITERAL, "literal " }, - { FIELD_ATTRIBUTE_NOT_SERIALIZED, "notserialized " }, - { FIELD_ATTRIBUTE_SPECIAL_NAME, "specialname " }, - { FIELD_ATTRIBUTE_PINVOKE_IMPL, "FIXME:pinvokeimpl " }, - { 0, NULL } -}; - -static map_t element_type_map [] = { - { ELEMENT_TYPE_END , "end" }, - { ELEMENT_TYPE_VOID , "void" }, - { ELEMENT_TYPE_BOOLEAN , "bool" }, - { ELEMENT_TYPE_CHAR , "char" }, - { ELEMENT_TYPE_I1 , "sbyte" }, - { ELEMENT_TYPE_U1 , "byte" }, - { ELEMENT_TYPE_I2 , "int16" }, - { ELEMENT_TYPE_U2 , "uint16" }, - { ELEMENT_TYPE_I4 , "int32" }, - { ELEMENT_TYPE_U4 , "uint32" }, - { ELEMENT_TYPE_I8 , "int64" }, - { ELEMENT_TYPE_U8 , "uint64" }, - { ELEMENT_TYPE_R4 , "float32" }, - { ELEMENT_TYPE_R8 , "float64" }, - { ELEMENT_TYPE_STRING , "string" }, - { ELEMENT_TYPE_TYPEDBYREF , "TypedByRef" }, - { ELEMENT_TYPE_I , "native int" }, - { ELEMENT_TYPE_U , "native unsigned int" }, - { ELEMENT_TYPE_OBJECT , "object" }, - { 0, NULL } -}; - -/** - * field_flags: - * - * Returns a stringified version of a Field's flags - */ -static char * -field_flags (guint32 f) -{ - static char buffer [1024]; - int access = f & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK; - - buffer [0] = 0; - - strcat (buffer, map (access, field_access_map)); - strcat (buffer, flags (f, field_flags_map)); - return g_strdup (buffer); -} - -/** - * get_encoded_value: - * @ptr: pointer to decode from - * @len: result value is stored here. - * - * This routine decompresses 32-bit values as specified in the "Blob and - * Signature" section (22.2) - * - * Returns: updated pointer location - */ -static const char * -get_encoded_value (const char *_ptr, guint32 *len) -{ - const unsigned char *ptr = (unsigned char *) _ptr; - unsigned char b = *ptr; - - if ((b & 0x80) == 0){ - *len = b; - return ptr+1; - } else if ((b & 0x40) == 0){ - *len = ((b & 0x3f) << 8 | ptr [1]); - return ptr + 2; - } - *len = ((b & 0x1f) << 24) | - (ptr [1] << 16) | - (ptr [2] << 8) | - ptr [3]; - - return ptr + 4; -} - -static char * -get_typedef (metadata_t *m, int idx) -{ - guint32 cols [6]; - - expand (&m->tables [META_TABLE_TYPEDEF], idx - 1, cols, CSIZE (cols)); - - return g_strdup_printf ( - "%s.%s", - mono_metadata_string_heap (m, cols [2]), - mono_metadata_string_heap (m, cols [1])); -} - -static char * -get_module (metadata_t *m, int idx) -{ - guint32 cols [5]; - - /* - * There MUST BE only one module in the Module table - */ - g_assert (idx == 1); - - expand (&m->tables [META_TABLE_MODULEREF], idx - 1, cols, CSIZE (cols)); - - return g_strdup (mono_metadata_string_heap (m, cols [6])); -} - -static char * -get_assemblyref (metadata_t *m, int idx) -{ - guint32 cols [9]; - - expand (&m->tables [META_TABLE_ASSEMBLYREF], idx - 1, cols, CSIZE (cols)); - - return g_strdup (mono_metadata_string_heap (m, cols [6])); -} - -static char * -get_typeref (metadata_t *m, int idx) -{ - guint32 cols [3]; - const char *s, *t; - char *x, *ret; - guint32 rs_idx, table; - - expand (&m->tables [META_TABLE_TYPEREF], idx - 1, cols, CSIZE (cols)); - - t = mono_metadata_string_heap (m, cols [1]); - s = mono_metadata_string_heap (m, cols [2]); - - rs_idx = cols [0] >> 2; - /* - * Two bits in Beta2. - * ECMA spec claims 3 bits - */ - table = cols [0] & 3; - - switch (table){ - case 0: /* Module */ - x = get_module (m, rs_idx); - ret = g_strdup_printf ("TODO:TypeRef-Module [%s] %s.%s", x, s, t); - g_free (x); - break; - - case 1: /* ModuleRef */ - ret = g_strdup_printf ("TODO:TypeRef-ModuleRef (%s.%s)", s, t); - break; - - case 2: /* - * AssemblyRef (ECMA docs claim it is 3, but it looks to - * me like it is 2 (tokens are prefixed with 0x23) - */ - x = get_assemblyref (m, rs_idx); - ret = g_strdup_printf ("[%s] %s.%s", x, s, t); - g_free (x); - break; - - case 4: /* TypeRef */ - ret = g_strdup_printf ("TODO:TypeRef-TypeRef: TYPEREF! (%s.%s)", s, t); - break; - - default: - ret = g_strdup_printf ("Unknown table in TypeRef %d", table); - } - - return ret; -} - -static char * -get_typedef_or_ref (metadata_t *m, guint32 dor_token) -{ - char *temp = NULL, *s; - int table, idx; - - /* - * low 2 bits contain encoding - */ - table = dor_token & 0x03; - idx = dor_token >> 2; - - switch (table){ - case 0: /* TypeDef */ - temp = get_typedef (m, idx); - s = g_strdup_printf ("%s", temp); - break; - - case 1: /* TypeRef */ - temp = get_typeref (m, idx); - s = g_strdup_printf ("%s", temp); - break; - - case 2: /* TypeSpec */ - s = g_strdup_printf ("TODO-TypeSpec: 0x%08x", idx); - break; - - default: - g_error ("Unhandled encoding for typedef-or-ref coded index"); - - } - - if (temp) - g_free (temp); - - return s; -} - -/** - * get_encoded_typedef_or_ref: - * @m: metadata context - * @ptr: location to decode from. - * @result: pointer to string where resulting decoded string is stored - * - * result will point to a g_malloc()ed string. - * - * Returns: the new ptr to continue decoding - */ -static const char * -get_encoded_typedef_or_ref (metadata_t *m, const char *ptr, char **result) -{ - guint32 token; - - ptr = get_encoded_value (ptr, &token); - - *result = get_typedef_or_ref (m, token); - - return ptr; -} - -/** - * methoddefref_signature: - * @m: metadata context - * @ptr: location to decode from. - * @result: pointer to string where resulting decoded string is stored - * - * This routine decodes into a string a MethodDef or a MethodRef. - * - * result will point to a g_malloc()ed string. - * - * Returns: the new ptr to continue decoding - */ -static const char * -methoddefref_signature (metadata_t *m, const char *ptr, char **result) -{ - *result = g_strdup ("method-def-or-ref"); - - return ptr; -} - -/** - * get_custom_mod: - * - * Decodes a CustomMod (22.2.7) - * - * Returns: updated pointer location - */ -static const char * -get_custom_mod (metadata_t *m, const char *ptr, char **return_value) -{ - char *s; - - if ((*ptr == ELEMENT_TYPE_CMOD_OPT) || - (*ptr == ELEMENT_TYPE_CMOD_REQD)){ - ptr++; - ptr = get_encoded_typedef_or_ref (m, ptr, &s); - - *return_value = g_strconcat ("CMOD ", s, NULL); - g_free (s); - } else - *return_value = NULL; - return ptr; -} - - -/** - * get_type: - * @m: metadata context - * @ptr: location to decode from. - * @result: pointer to string where resulting decoded string is stored - * - * This routine returs in @result the stringified type pointed by @ptr. - * (22.2.12) - * - * Returns: the new ptr to continue decoding - */ -static const char * -get_type (metadata_t *m, const char *ptr, char **result) -{ - char c; - - c = *ptr++; - - switch (c){ - case ELEMENT_TYPE_BOOLEAN: - case ELEMENT_TYPE_CHAR: - case ELEMENT_TYPE_I1: - case ELEMENT_TYPE_U1: - case ELEMENT_TYPE_I2: - case ELEMENT_TYPE_U2: - case ELEMENT_TYPE_I4: - case ELEMENT_TYPE_U4: - case ELEMENT_TYPE_I8: - case ELEMENT_TYPE_U8: - case ELEMENT_TYPE_R4: - case ELEMENT_TYPE_R8: - case ELEMENT_TYPE_I: - case ELEMENT_TYPE_STRING: - case ELEMENT_TYPE_OBJECT: - *result = g_strdup (map (c, element_type_map)); - break; - - case ELEMENT_TYPE_VALUETYPE: - case ELEMENT_TYPE_CLASS: - ptr = get_encoded_typedef_or_ref (m, ptr, result); - break; - - case ELEMENT_TYPE_FNPTR: - ptr = methoddefref_signature (m, ptr, result); - break; - - case ELEMENT_TYPE_SZARRAY: { - char *child_type; - - ptr = get_type (m, ptr, &child_type); - *result = g_strdup_printf ("%s[]", child_type); - g_free (child_type); - break; - } - - case ELEMENT_TYPE_ARRAY: - - *result = g_strdup ("ARRAY:TODO"); - } - - return ptr; -} - -/** - * - * Returns a stringified representation of a FieldSig (22.2.4) - */ -static char * -field_signature (metadata_t *m, guint32 blob_signature) -{ - char *allocated_modifier_string, *allocated_type_string; - const char *ptr = mono_metadata_blob_heap (m, blob_signature); - const char *base; - char *res; - int len; - - ptr = get_encoded_value (ptr, &len); - base = ptr; - /* FIELD is 0x06 */ - g_assert (*ptr == 0x06); -/* hex_dump (ptr, 0, len); */ - ptr++; len--; - - ptr = get_custom_mod (m, ptr, &allocated_modifier_string); - ptr = get_type (m, ptr, &allocated_type_string); - - res = g_strdup_printf ( - "%s %s", - allocated_modifier_string ? allocated_modifier_string : "", - allocated_type_string); - - if (allocated_modifier_string) - g_free (allocated_modifier_string); - if (allocated_type_string) - g_free (allocated_modifier_string); - - return res; -} - -/** - * decode_literal: - * @m: metadata context - * @token: token to decode - * - * decodes the literal indexed by @token. - */ -static char * -decode_literal (metadata_t *m, guint32 token) -{ - return g_strdup ("LITERAL_VALUE"); -} - /** * dis_field_list: * @m: metadata context @@ -591,45 +256,71 @@ decode_literal (metadata_t *m, guint32 token) * This routine displays all the decoded fields from @start to @end */ static void -dis_field_list (metadata_t *m, guint32 start, guint32 end) +dis_field_list (MonoImage *m, guint32 start, guint32 end) { - metadata_tableinfo_t *t = &m->tables [META_TABLE_FIELD]; - guint32 cols [3]; + MonoTableInfo *t = &m->tables [MONO_TABLE_FIELD]; + guint32 cols [MONO_FIELD_SIZE]; + char *esname; + char rva_desc [32]; + guint32 rva; int i; - if (end > t->rows + 1){ - fprintf (output, "ERROR index out of range in fields"); - exit (1); + if (end > t->rows + 1) { + g_warning ("ERROR index out of range in fields"); + end = t->rows; } for (i = start; i < end; i++){ - char *sig, *flags; + char *sig, *flags, *attrs = NULL; + guint32 field_offset = -1; - expand (t, i, cols, CSIZE (cols)); - sig = field_signature (m, cols [2]); - flags = field_flags (cols [0]); + mono_metadata_decode_row (t, i, cols, MONO_FIELD_SIZE); + sig = get_field_signature (m, cols [MONO_FIELD_SIGNATURE]); + flags = field_flags (cols [MONO_FIELD_FLAGS]); + + if (cols [MONO_FIELD_FLAGS] & FIELD_ATTRIBUTE_HAS_FIELD_RVA) { + mono_metadata_field_info (m, i, NULL, &rva, NULL); + g_snprintf (rva_desc, sizeof (rva_desc), " at D_%08x", rva); + } else { + rva_desc [0] = 0; + } - if (cols [0] & FIELD_ATTRIBUTE_LITERAL){ - char *lit = decode_literal (m, cols [2]); + mono_metadata_field_info (m, i, &field_offset, NULL, NULL); + if (field_offset != -1) + attrs = g_strdup_printf ("[%d]", field_offset); + esname = get_escaped_name (mono_metadata_string_heap (m, cols [MONO_FIELD_NAME])); + if (cols [MONO_FIELD_FLAGS] & FIELD_ATTRIBUTE_LITERAL){ + char *lit; + guint32 const_cols [MONO_CONSTANT_SIZE]; + guint32 crow; + + if ((crow = mono_metadata_get_constant_index (m, MONO_TOKEN_FIELD_DEF | (i+1), 0))) { + mono_metadata_decode_row (&m->tables [MONO_TABLE_CONSTANT], crow-1, const_cols, MONO_CONSTANT_SIZE); + lit = get_constant (m, const_cols [MONO_CONSTANT_TYPE], const_cols [MONO_CONSTANT_VALUE]); + } else { + lit = g_strdup ("not found"); + } + fprintf (output, " .field %s %s %s = ", - flags, sig, - mono_metadata_string_heap (m, cols [1])); + flags, sig, esname); fprintf (output, "%s\n", lit); g_free (lit); - } else - fprintf (output, " .field %s %s %s\n", - flags, sig, - mono_metadata_string_heap (m, cols [1])); + } else + fprintf (output, " .field %s %s %s %s%s\n", + attrs? attrs: "", flags, sig, esname, rva_desc); + g_free (attrs); g_free (flags); g_free (sig); + g_free (esname); + dump_cattrs (m, MONO_TOKEN_FIELD_DEF | (i + 1), " "); } } -static map_t method_access_map [] = { +static dis_map_t method_access_map [] = { { METHOD_ATTRIBUTE_COMPILER_CONTROLLED, "compilercontrolled " }, - { METHOD_ATTRIBUTE_PRIVATE, "private" }, - { METHOD_ATTRIBUTE_FAM_AND_ASSEM, "famandassem" }, + { METHOD_ATTRIBUTE_PRIVATE, "private " }, + { METHOD_ATTRIBUTE_FAM_AND_ASSEM, "famandassem " }, { METHOD_ATTRIBUTE_ASSEM, "assembly " }, { METHOD_ATTRIBUTE_FAMILY, "family " }, { METHOD_ATTRIBUTE_FAM_OR_ASSEM, "famorassem " }, @@ -637,7 +328,7 @@ static map_t method_access_map [] = { { 0, NULL } }; -static map_t method_flags_map [] = { +static dis_map_t method_flags_map [] = { { METHOD_ATTRIBUTE_STATIC, "static " }, { METHOD_ATTRIBUTE_FINAL, "final " }, { METHOD_ATTRIBUTE_VIRTUAL, "virtual " }, @@ -646,10 +337,10 @@ static map_t method_flags_map [] = { { METHOD_ATTRIBUTE_ABSTRACT, "abstract " }, { METHOD_ATTRIBUTE_SPECIAL_NAME, "specialname " }, { METHOD_ATTRIBUTE_RT_SPECIAL_NAME, "rtspecialname " }, - { METHOD_ATTRIBUTE_PINVOKE_IMPL, "pinvokeimpl " }, { METHOD_ATTRIBUTE_UNMANAGED_EXPORT, "export " }, { METHOD_ATTRIBUTE_HAS_SECURITY, "hassecurity" }, { METHOD_ATTRIBUTE_REQUIRE_SEC_OBJECT, "requiresecobj" }, + { METHOD_ATTRIBUTE_PINVOKE_IMPL, "pinvokeimpl " }, { 0, NULL } }; @@ -674,7 +365,53 @@ method_flags (guint32 f) return s; } -static map_t method_impl_map [] = { +static dis_map_t pinvoke_flags_map [] = { + { PINVOKE_ATTRIBUTE_NO_MANGLE , "nomangle " }, + { PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR, "lasterr " }, + { 0, NULL } +}; + +static dis_map_t pinvoke_call_conv_map [] = { + { PINVOKE_ATTRIBUTE_CALL_CONV_WINAPI, "winapi " }, + { PINVOKE_ATTRIBUTE_CALL_CONV_CDECL, "cdecl " }, + { PINVOKE_ATTRIBUTE_CALL_CONV_STDCALL, "stdcall " }, + { PINVOKE_ATTRIBUTE_CALL_CONV_THISCALL, "thiscall " }, + { PINVOKE_ATTRIBUTE_CALL_CONV_FASTCALL, "fastcall " }, + { 0, NULL } +}; + +static dis_map_t pinvoke_char_set_map [] = { + { PINVOKE_ATTRIBUTE_CHAR_SET_NOT_SPEC, "" }, + { PINVOKE_ATTRIBUTE_CHAR_SET_ANSI, "ansi " }, + { PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE , "unicode " }, + { PINVOKE_ATTRIBUTE_CHAR_SET_AUTO, "autochar " }, + { 0, NULL } +}; + +/** + * pinvoke_flags: + * + * Returns a stringified version of the Method's pinvoke flags + */ +static char * +pinvoke_flags (guint32 f) +{ + GString *str = g_string_new (""); + int cset = f & PINVOKE_ATTRIBUTE_CHAR_SET_MASK; + int cconv = f & PINVOKE_ATTRIBUTE_CALL_CONV_MASK; + char *s; + + g_string_append (str, map (cset, pinvoke_char_set_map)); + g_string_append (str, map (cconv, pinvoke_call_conv_map)); + g_string_append (str, flags (f, pinvoke_flags_map)); + + s = g_strdup(str->str); + g_string_free (str, FALSE); + + return s; +} + +static dis_map_t method_impl_map [] = { { METHOD_IMPL_ATTRIBUTE_IL, "cil " }, { METHOD_IMPL_ATTRIBUTE_NATIVE, "native " }, { METHOD_IMPL_ATTRIBUTE_OPTIL, "optil " }, @@ -682,13 +419,13 @@ static map_t method_impl_map [] = { { 0, NULL } }; -static map_t managed_type_map [] = { +static dis_map_t managed_type_map [] = { { METHOD_IMPL_ATTRIBUTE_UNMANAGED, "unmanaged " }, { METHOD_IMPL_ATTRIBUTE_MANAGED, "managed " }, { 0, NULL } }; -static map_t managed_impl_flags [] = { +static dis_map_t managed_impl_flags [] = { { METHOD_IMPL_ATTRIBUTE_FORWARD_REF, "fwdref " }, { METHOD_IMPL_ATTRIBUTE_PRESERVE_SIG, "preservesig " }, { METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL, "internalcall " }, @@ -714,149 +451,113 @@ method_impl_flags (guint32 f) return s; } -/** - * get_ret_type: - * @m: metadata context - * @ptr: location to decode from. - * @result: pointer to string where resulting decoded string is stored - * - * This routine returns in @result the stringified RetType (22.2.11) - * - * Returns: the new ptr to continue decoding. - */ -static const char * -get_ret_type (metadata_t *m, const char *ptr, char **ret_type) +static void +dis_locals (MonoImage *m, MonoMethodHeader *mh) { - GString *str = g_string_new (""); - char *mod = NULL; - char *allocated_type_string; - - ptr = get_custom_mod (m, ptr, &mod); - if (mod){ - g_string_append (str, mod); - g_string_append_c (str, ' '); - g_free (mod); - } - - if (*ptr == ELEMENT_TYPE_TYPEDBYREF){ - /* TODO: what does `typedbyref' mean? */ - g_string_append (str, "/* FIXME: What does this mean? */ typedbyref "); - ptr++; - } else if (*ptr == ELEMENT_TYPE_VOID){ - g_string_append (str, "void"); - ptr++; - } else { - if (*ptr == ELEMENT_TYPE_BYREF){ - g_string_append (str, "[out] "); - ptr++; - } + int i; - ptr = get_type (m, ptr, &allocated_type_string); - g_string_append (str, allocated_type_string); - g_free (allocated_type_string); + fprintf(output, "\t.locals %s(\n", mh->init_locals ? "init " : ""); + for (i=0; i < mh->num_locals; ++i) { + char * desc; + if (i) + fprintf(output, ",\n"); + /* print also byref and pinned attributes */ + desc = dis_stringify_type (m, mh->locals[i]); + fprintf(output, "\t\t%s\tV_%d", desc, i); + g_free(desc); } - - *ret_type = str->str; - g_string_free (str, FALSE); - - return ptr; + fprintf(output, ")\n"); } -static const char * -get_param (metadata_t *m, const char *ptr, char **retval) +static void +dis_code (MonoImage *m, guint32 rva) { - GString *str = g_string_new (""); - char *allocated_mod_string, *allocated_type_string; - - ptr = get_custom_mod (m, ptr, &allocated_mod_string); - if (allocated_mod_string){ - g_string_append (str, allocated_mod_string); - g_string_append_c (str, ' '); - g_free (allocated_mod_string); + MonoMethodHeader *mh; + const char *ptr = mono_image_rva_map (m, rva); + const char *loc; + guint32 entry_point; + + if (rva == 0) + return; + + mh = mono_metadata_parse_mh (m, ptr); + if ((entry_point = mono_image_get_entry_point (m))){ + loc = mono_metadata_locate_token (m, entry_point); + if (rva == read32 (loc)) + fprintf (output, "\t.entrypoint\n"); } - if (*ptr == ELEMENT_TYPE_TYPEDBYREF){ - g_string_append (str, "/*FIXME: what does typedbyref mean? */ typedbyref "); - ptr++; - } else { - if (*ptr == ELEMENT_TYPE_BYREF){ - g_string_append (str, "[out] "); - ptr++; - } - ptr = get_type (m, ptr, &allocated_type_string); - g_string_append (str, allocated_type_string); - g_free (allocated_type_string); - } - - *retval = str->str; - g_string_free (str, FALSE); - return ptr; + fprintf (output, "\t// Code size %d (0x%x)\n", mh->code_size, mh->code_size); + fprintf (output, "\t.maxstack %d\n", mh->max_stack); + if (mh->num_locals) + dis_locals (m, mh); + dissasemble_cil (m, mh); + +/* + hex_dump (mh->code, 0, mh->code_size); + printf ("\nAfter the code\n"); + hex_dump (mh->code + mh->code_size, 0, 64); +*/ + mono_metadata_free_mh (mh); } -typedef struct { - char flags; - char *ret_type; - int param_count; - char **param; -} MethodSignature; - -static MethodSignature * -parse_method_signature (metadata_t *m, guint32 blob_signature) +static char * +pinvoke_info (MonoImage *m, guint32 mindex) { - GString *res = g_string_new (""); - const char *ptr = mono_metadata_blob_heap (m, blob_signature); - MethodSignature *ms = g_new0 (MethodSignature, 1); - char *s; - int i, len; + MonoTableInfo *im = &m->tables [MONO_TABLE_IMPLMAP]; + MonoTableInfo *mr = &m->tables [MONO_TABLE_MODULEREF]; + guint32 im_cols [MONO_IMPLMAP_SIZE]; + guint32 mr_cols [MONO_MODULEREF_SIZE]; + const char *import, *scope; + char *flags; + int i; - ptr = get_encoded_value (ptr, &len); - fprintf (output, " // SIG: "); - hex_dump (ptr, 0, -len); - fprintf (output, "\n"); - - ms->flags = *ptr++; + for (i = 0; i < im->rows; i++) { - ptr = get_encoded_value (ptr, &ms->param_count); - ptr = get_ret_type (m, ptr, &ms->ret_type); - ms->param = g_new (char *, ms->param_count); - - for (i = 0; i < ms->param_count; i++) - ptr = get_param (m, ptr, &(ms->param [i])); + mono_metadata_decode_row (im, i, im_cols, MONO_IMPLMAP_SIZE); - s = res->str; - g_string_free (res, FALSE); - return ms; -} + if ((im_cols [MONO_IMPLMAP_MEMBER] >> 1) == mindex + 1) { -static void -free_method_signature (MethodSignature *ms) -{ - int i; - - for (i = 0; i < ms->param_count; i++) - g_free (ms->param [i]); - g_free (ms->param); - g_free (ms->ret_type); - g_free (ms); -} + flags = pinvoke_flags (im_cols [MONO_IMPLMAP_FLAGS]); -static map_t param_map [] = { - { PARAM_ATTRIBUTE_IN, "[in] " }, - { PARAM_ATTRIBUTE_OUT, "[out] " }, - { PARAM_ATTRIBUTE_OPTIONAL, "optional " }, - { PARAM_ATTRIBUTE_HAS_DEFAULT, "hasdefault " }, - { PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL, "fieldmarshal " }, - { 0, NULL } -}; + import = mono_metadata_string_heap (m, im_cols [MONO_IMPLMAP_NAME]); -static char * -param_flags (guint32 f) -{ - return g_strdup (map (f, param_map)); + mono_metadata_decode_row (mr, im_cols [MONO_IMPLMAP_SCOPE] - 1, + mr_cols, MONO_MODULEREF_SIZE); + + scope = mono_metadata_string_heap (m, mr_cols [MONO_MODULEREF_NAME]); + + return g_strdup_printf ("(\"%s\" as \"%s\" %s)", scope, import, + flags); + g_free (flags); + } + } + + return NULL; +} + +static void +cattrs_for_method (MonoImage *m, guint32 midx, MonoMethodSignature *sig) { + MonoTableInfo *methodt; + MonoTableInfo *paramt; + guint param_index, lastp, i, pid; + + methodt = &m->tables [MONO_TABLE_METHOD]; + paramt = &m->tables [MONO_TABLE_PARAM]; + param_index = mono_metadata_decode_row_col (methodt, midx, MONO_METHOD_PARAMLIST); + if (midx + 1 < methodt->rows) + lastp = mono_metadata_decode_row_col (methodt, midx + 1, MONO_METHOD_PARAMLIST); + else + lastp = paramt->rows + 1; + for (i = param_index; i < lastp; ++i) { + pid = mono_metadata_decode_row_col (paramt, i - 1, MONO_PARAM_SEQUENCE); + fprintf (output, "\t.param [%d]\n", pid); + dump_cattrs (m, MONO_TOKEN_PARAM_DEF | i, "\t"); + } } /** - * dis_field_list: + * dis_method_list: * @m: metadata context * @start: starting index into the Method Table. * @end: ending index into Method table. @@ -864,184 +565,501 @@ param_flags (guint32 f) * This routine displays the methods in the Method Table from @start to @end */ static void -dis_method_list (metadata_t *m, guint32 start, guint32 end) +dis_method_list (const char *klass_name, MonoImage *m, guint32 start, guint32 end) { - metadata_tableinfo_t *t = &m->tables [META_TABLE_METHOD]; - metadata_tableinfo_t *p = &m->tables [META_TABLE_PARAM]; - guint32 cols [6]; - guint32 cols_next [6]; - guint32 param_cols [3]; + MonoTableInfo *t = &m->tables [MONO_TABLE_METHOD]; + guint32 cols [MONO_METHOD_SIZE]; int i; - if (end > t->rows + 1){ + if (end > t->rows){ fprintf (output, "ERROR index out of range in methods"); - exit (1); + /*exit (1);*/ + end = t->rows; } for (i = start; i < end; i++){ - MethodSignature *ms; + MonoMethodSignature *ms; char *flags, *impl_flags; + const char *sig; + char *sig_str; - expand (t, i, cols, CSIZE (cols)); - expand (t, i + 1, cols_next, CSIZE (cols_next)); + mono_metadata_decode_row (t, i, cols, MONO_METHOD_SIZE); - flags = method_flags (cols [2]); - impl_flags = method_impl_flags (cols [1]); + flags = method_flags (cols [MONO_METHOD_FLAGS]); + impl_flags = method_impl_flags (cols [MONO_METHOD_IMPLFLAGS]); - ms = parse_method_signature (m, cols [4]); - - fprintf (output, - " .method %s\n", - flags); - fprintf (output, - " %s %s", - ms->ret_type, - mono_metadata_string_heap (m, cols [3])); - if (ms->param_count > 0){ - int i; - - fprintf (output, "(\n"); - for (i = 0; i < ms->param_count; i++){ - char *pf; - - expand (p, i, param_cols, CSIZE (param_cols)); - pf = param_flags (param_cols [0]); - fprintf ( - output, "\t\t%s %s %s%s", pf, ms->param [i], - mono_metadata_string_heap (m, param_cols [2]), - (i+1 == ms->param_count) ? ")" : ",\n"); - - g_free (pf); + sig = mono_metadata_blob_heap (m, cols [MONO_METHOD_SIGNATURE]); + mono_metadata_decode_blob_size (sig, &sig); + ms = mono_metadata_parse_method_signature (m, i + 1, sig, &sig); + sig_str = dis_stringify_method_signature (m, ms, i + 1, FALSE); + + fprintf (output, " // method line %d\n", i + 1); + fprintf (output, " .method %s", flags); + + if ((cols [MONO_METHOD_FLAGS] & METHOD_ATTRIBUTE_PINVOKE_IMPL) && (cols [MONO_METHOD_RVA] == 0)) { + gchar *pi = pinvoke_info (m, i); + if (pi) { + fprintf (output, "%s", pi); + g_free (pi); } - } + + fprintf (output, "\n %s", sig_str); fprintf (output, " %s\n", impl_flags); g_free (flags); g_free (impl_flags); fprintf (output, " {\n"); - fprintf (output, " // Method begins at RVA 0x%x\n", cols [0]); - fprintf (output, " // Param: %d %d (%d)\n", cols [5], cols_next [5], ms->param_count); - fprintf (output, " }\n\n"); - free_method_signature (ms); + dump_cattrs (m, MONO_TOKEN_METHOD_DEF | (i + 1), " "); + cattrs_for_method (m, i, ms); + /* FIXME: need to sump also param custom attributes */ + fprintf (output, " // Method begins at RVA 0x%x\n", cols [MONO_METHOD_RVA]); + if (cols [MONO_METHOD_IMPLFLAGS] & METHOD_IMPL_ATTRIBUTE_NATIVE) + fprintf (output, " // Disassembly of native methods is not supported\n"); + else + dis_code (m, cols [MONO_METHOD_RVA]); + fprintf (output, " } // end of method %s::%s\n\n", klass_name, sig_str); + mono_metadata_free_method_signature (ms); + g_free (sig_str); } } -/** - * dis_type: - * @m: metadata context - * @n: index of type to disassemble - * - * Disassembles the type whose index in the TypeDef table is @n. - */ -static void -dis_type (metadata_t *m, int n) +typedef struct { + MonoTableInfo *t; + guint32 col_idx; + guint32 idx; + guint32 result; +} plocator_t; + +static int +table_locator (const void *a, const void *b) { - metadata_tableinfo_t *t = &m->tables [META_TABLE_TYPEDEF]; - guint32 cols [6]; - guint32 cols_next [6]; - const char *name; + plocator_t *loc = (plocator_t *) a; + const char *bb = (const char *) b; + guint32 table_index = (bb - loc->t->base) / loc->t->row_size; + guint32 col; - expand (t, n, cols, CSIZE (cols)); - expand (t, n + 1, cols_next, CSIZE (cols_next)); + col = mono_metadata_decode_row_col (loc->t, table_index, loc->col_idx); - fprintf (output, ".namespace %s\n{\n", mono_metadata_string_heap (m, cols [2])); - name = mono_metadata_string_heap (m, cols [1]); + if (loc->idx == col) { + loc->result = table_index; + return 0; + } + if (loc->idx < col) + return -1; + else + return 1; +} - if ((cols [0] & TYPE_ATTRIBUTE_CLASS_SEMANTIC_MASK) == TYPE_ATTRIBUTE_CLASS){ - char *base = get_typedef_or_ref (m, cols [3]); - fprintf (output, " .class %s%s\n", typedef_flags (cols [0]), name); - fprintf (output, " \textends %s\n", base); - g_free (base); - } else - fprintf (output, " .class interface %s%s\n", typedef_flags (cols [0]), name); - - fprintf (output, " {\n"); +static void +dis_property_methods (MonoImage *m, guint32 prop) +{ + guint start, end; + MonoTableInfo *msemt = &m->tables [MONO_TABLE_METHODSEMANTICS]; + guint32 cols [MONO_METHOD_SEMA_SIZE]; + char *sig; + const char *type[] = {NULL, ".set", ".get", NULL, ".other"}; + + start = mono_metadata_methods_from_property (m, prop, &end); + while (start < end) { + mono_metadata_decode_row (msemt, start, cols, MONO_METHOD_SEMA_SIZE); + sig = dis_stringify_method_signature (m, NULL, cols [MONO_METHOD_SEMA_METHOD], TRUE); + fprintf (output, "\t\t%s %s\n", type [cols [MONO_METHOD_SEMA_SEMANTICS]], sig); + g_free (sig); + ++start; + } +} - /* - * The value in the table is always valid, we know we have fields - * if the value stored is different than the next record. - */ - if (cols [4] != cols_next [4]) - dis_field_list (m, cols [4] - 1, cols_next [4] - 1); - fprintf (output, "\n"); - if (cols [4] != cols_next [5]) - dis_method_list (m, cols [5] - 1, cols_next [5] - 1); +static char* +dis_property_signature (MonoImage *m, guint32 prop_idx) +{ + MonoTableInfo *propt = &m->tables [MONO_TABLE_PROPERTY]; + const char *ptr; + guint32 pcount, i; + guint32 cols [MONO_PROPERTY_SIZE]; + MonoType *type; + MonoType *param; + char *blurb; + const char *name; + int prop_flags; + GString *res = g_string_new (""); + + mono_metadata_decode_row (propt, prop_idx, cols, MONO_PROPERTY_SIZE); + name = mono_metadata_string_heap (m, cols [MONO_PROPERTY_NAME]); + prop_flags = cols [MONO_PROPERTY_FLAGS]; + ptr = mono_metadata_blob_heap (m, cols [MONO_PROPERTY_TYPE]); + mono_metadata_decode_blob_size (ptr, &ptr); + /* ECMA claims 0x08 ... */ + if (*ptr != 0x28 && *ptr != 0x08) + g_warning("incorrect signature in propert blob: 0x%x", *ptr); + ptr++; + pcount = mono_metadata_decode_value (ptr, &ptr); + type = mono_metadata_parse_type (m, MONO_PARSE_TYPE, 0, ptr, &ptr); + blurb = dis_stringify_type (m, type); + if (prop_flags & 0x0200) + g_string_append (res, "specialname "); + if (prop_flags & 0x0400) + g_string_append (res, "rtspecialname "); + g_string_sprintfa (res, "%s %s (", blurb, name); + g_free (blurb); + mono_metadata_free_type (type); + for (i = 0; i < pcount; i++) { + if (i) + g_string_append (res, ", "); + param = mono_metadata_parse_param (m, ptr, &ptr); + blurb = dis_stringify_param (m, param); + g_string_append (res, blurb); + mono_metadata_free_type (param); + g_free (blurb); + } + g_string_append_c (res, ')'); + blurb = res->str; + g_string_free (res, FALSE); + return blurb; - fprintf (output, " }\n}\n\n"); } static void -dump_table_typeref (metadata_t *m) +dis_property_list (MonoImage *m, guint32 typedef_row) { - metadata_tableinfo_t *t = &m->tables [META_TABLE_TYPEREF]; - int i; + guint start, end, i; + start = mono_metadata_properties_from_typedef (m, typedef_row, &end); + + for (i = start; i < end; ++i) { + char *sig = dis_property_signature (m, i); + fprintf (output, "\t.property %s\n\t{\n", sig); + dump_cattrs (m, MONO_TOKEN_PROPERTY | (i + 1), "\t\t"); + dis_property_methods (m, i); + fprintf (output, "\t}\n"); + g_free (sig); + } +} - fprintf (output, "Typeref Table\n"); +static char* +dis_event_signature (MonoImage *m, guint32 event_idx) +{ + MonoTableInfo *et = &m->tables [MONO_TABLE_EVENT]; + char *type, *result, *esname; + guint32 cols [MONO_EVENT_SIZE]; + int event_flags; + GString *res = g_string_new (""); - for (i = 1; i <= t->rows; i++){ - char *s = get_typeref (m, i); - - fprintf (output, "%d: %s\n", i, s); - g_free (s); + mono_metadata_decode_row (et, event_idx, cols, MONO_EVENT_SIZE); + esname = get_escaped_name (mono_metadata_string_heap (m, cols [MONO_EVENT_NAME])); + type = get_typedef_or_ref (m, cols [MONO_EVENT_TYPE]); + event_flags = cols [MONO_EVENT_FLAGS]; + + if (event_flags & 0x0200) + g_string_append (res, "specialname "); + if (event_flags & 0x0400) + g_string_append (res, "rtspecialname "); + g_string_sprintfa (res, "%s %s", type, esname); + + g_free (type); + g_free (esname); + result = res->str; + g_string_free (res, FALSE); + return result; +} + +static void +dis_event_methods (MonoImage *m, guint32 event) +{ + guint start, end; + MonoTableInfo *msemt = &m->tables [MONO_TABLE_METHODSEMANTICS]; + guint32 cols [MONO_METHOD_SEMA_SIZE]; + char *sig; + const char *type = ""; + + start = mono_metadata_methods_from_event (m, event, &end); + while (start < end) { + mono_metadata_decode_row (msemt, start, cols, MONO_METHOD_SEMA_SIZE); + sig = dis_stringify_method_signature (m, NULL, cols [MONO_METHOD_SEMA_METHOD], TRUE); + switch (cols [MONO_METHOD_SEMA_SEMANTICS]) { + case METHOD_SEMANTIC_OTHER: + type = ".other"; break; + case METHOD_SEMANTIC_ADD_ON: + type = ".addon"; break; + case METHOD_SEMANTIC_REMOVE_ON: + type = ".removeon"; break; + case METHOD_SEMANTIC_FIRE: + type = ".fire"; break; + default: + break; + } + fprintf (output, "\t\t%s %s\n", type, sig); + g_free (sig); + ++start; } - fprintf (output, "\n"); } static void -dump_table_typedef (metadata_t *m) +dis_event_list (MonoImage *m, guint32 typedef_row) { - metadata_tableinfo_t *t = &m->tables [META_TABLE_TYPEDEF]; - int i; + guint start, end, i; + start = mono_metadata_events_from_typedef (m, typedef_row, &end); + + for (i = start; i < end; ++i) { + char *sig = dis_event_signature (m, i); + fprintf (output, "\t.event %s\n\t{\n", sig); + dump_cattrs (m, MONO_TOKEN_EVENT | (i + 1), "\t\t"); + dis_event_methods (m, i); + fprintf (output, "\t}\n"); + g_free (sig); + } +} - fprintf (output, "Typedef Table\n"); - - for (i = 1; i <= t->rows; i++){ - char *s = get_typedef (m, i); - - fprintf (output, "%d: %s\n", i, s); - g_free (s); +static void +dis_interfaces (MonoImage *m, guint32 typedef_row) +{ + plocator_t loc; + guint start; + gboolean first_interface = 1; + guint32 cols [MONO_INTERFACEIMPL_SIZE]; + char *intf; + MonoTableInfo *table = &m->tables [MONO_TABLE_INTERFACEIMPL]; + + if (!table->base) + return; + + loc.t = table; + loc.col_idx = MONO_INTERFACEIMPL_CLASS; + loc.idx = typedef_row; + + if (!bsearch (&loc, table->base, table->rows, table->row_size, table_locator)) + return; + + start = loc.result; + /* + * We may end up in the middle of the rows... + */ + while (start > 0) { + if (loc.idx == mono_metadata_decode_row_col (table, start - 1, MONO_INTERFACEIMPL_CLASS)) + start--; + else + break; } - fprintf (output, "\n"); + while (start < table->rows) { + mono_metadata_decode_row (table, start, cols, MONO_INTERFACEIMPL_SIZE); + if (cols [MONO_INTERFACEIMPL_CLASS] != loc.idx) + break; + intf = get_typedef_or_ref (m, cols [MONO_INTERFACEIMPL_INTERFACE]); + if (first_interface) { + fprintf (output, " \timplements %s", intf); + first_interface = 0; + } else { + fprintf (output, ", %s", intf); + } + g_free (intf); + ++start; + } +} + +/** + * dis_generic_param_and_constraints: + * @m: metadata context + * @table_type: Type of table (0 for typedef, 1 for methoddef) + * @row: Row in table + * + * Dissasembles the generic parameters for this type or method, also + * returns an allocated GString containing the generic constraints NULL + * if their are no generic constraints. + */ +static GString* +dis_generic_param_and_constraints (MonoImage *m, int table_type, guint32 typedef_row) +{ + MonoTableInfo *t = &m->tables [MONO_TABLE_GENERICPARAM]; + MonoTableInfo *ct = &m->tables [MONO_TABLE_GENERICPARAMCONSTRAINT]; + GString* cnst_block = NULL; + guint32 cols [MONO_GENERICPARAM_SIZE]; + guint32 ccols [MONO_GENPARCONSTRAINT_SIZE]; + int i, own_tok, table, idx, found_count, cnst_start, cnst_ind; + + g_assert (table_type != MONO_TYPEORMETHOD_TYPE || table_type != MONO_TYPEORMETHOD_METHOD); + + found_count = cnst_start = 0; + for (i = 1; i <= t->rows; i++) { + mono_metadata_decode_row (t, i-1, cols, MONO_GENERICPARAM_SIZE); + own_tok = cols [MONO_GENERICPARAM_OWNER]; + table = own_tok & MONO_TYPEORMETHOD_MASK; + idx = own_tok >> MONO_TYPEORMETHOD_BITS; + + if (table != table_type || idx != typedef_row) + continue; + + if (found_count == 0) + fprintf (output, "<%s", mono_metadata_string_heap (m, cols [MONO_GENERICPARAM_NAME])); + else + fprintf (output, ", %s", mono_metadata_string_heap (m, cols [MONO_GENERICPARAM_NAME])); + + for (cnst_ind = cnst_start; cnst_ind < ct->rows; cnst_ind++) { + char *sig; + mono_metadata_decode_row (ct, cnst_ind, ccols, MONO_GENPARCONSTRAINT_SIZE); + if (ccols [MONO_GENPARCONSTRAINT_GENERICPAR] != i) + continue; + if (cnst_block == NULL) + cnst_block = g_string_new (""); + sig = get_typedef_or_ref (m, ccols [MONO_GENPARCONSTRAINT_CONSTRAINT]); + g_string_append_printf (cnst_block, " .constraint !%d is %s\n", + cols [MONO_GENERICPARAM_NUMBER], sig); + g_free (sig); + cnst_start = cnst_ind; + } + + found_count++; + } + + if (found_count) + fprintf (output, ">"); + + return cnst_block; } +/** + * dis_type: + * @m: metadata context + * @n: index of type to disassemble + * + * Disassembles the type whose index in the TypeDef table is @n. + */ static void -dump_table_assemblyref (metadata_t *m) +dis_type (MonoImage *m, int n) { - metadata_tableinfo_t *t = &m->tables [META_TABLE_ASSEMBLYREF]; - int i; + MonoTableInfo *t = &m->tables [MONO_TABLE_TYPEDEF]; + GString *cnst_block = NULL; + guint32 cols [MONO_TYPEDEF_SIZE]; + guint32 cols_next [MONO_TYPEDEF_SIZE]; + const char *name, *nspace; + char *esname; + guint32 packing_size, class_size; + gboolean next_is_valid, last; + guint32 nested; + + mono_metadata_decode_row (t, n, cols, MONO_TYPEDEF_SIZE); + + if (t->rows > n + 1) { + mono_metadata_decode_row (t, n + 1, cols_next, MONO_TYPEDEF_SIZE); + next_is_valid = 1; + } else + next_is_valid = 0; + + name = mono_metadata_string_heap (m, cols [MONO_TYPEDEF_NAME]); + nspace = mono_metadata_string_heap (m, cols [MONO_TYPEDEF_NAMESPACE]); + if (*nspace) + fprintf (output, ".namespace %s\n{\n", nspace); + + esname = get_escaped_name (name); + if ((cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_CLASS_SEMANTIC_MASK) == TYPE_ATTRIBUTE_CLASS){ + fprintf (output, " .class %s%s", typedef_flags (cols [MONO_TYPEDEF_FLAGS]), esname); + + cnst_block = dis_generic_param_and_constraints (m, MONO_TYPEORMETHOD_TYPE, n+1); + fprintf (output, "\n"); + if (cols [MONO_TYPEDEF_EXTENDS]) { + char *base = get_typedef_or_ref (m, cols [MONO_TYPEDEF_EXTENDS]); + fprintf (output, " \textends %s\n", base); + g_free (base); + } + } else + fprintf (output, " .class interface %s%s\n", typedef_flags (cols [MONO_TYPEDEF_FLAGS]), esname); + g_free (esname); + dis_interfaces (m, n + 1); + fprintf (output, " {\n"); + if (cnst_block) { + fprintf (output, "%s", cnst_block->str); + g_string_free (cnst_block, TRUE); + } + dump_cattrs (m, MONO_TOKEN_TYPE_DEF | (n + 1), " "); + + if (mono_metadata_packing_from_typedef (m, n + 1, &packing_size, &class_size)) { + fprintf (output, " .pack %d\n", packing_size); + fprintf (output, " .size %d\n", class_size); + } + /* + * The value in the table is always valid, we know we have fields + * if the value stored is different than the next record. + */ - fprintf (output, "AssemblyRef Table\n"); + if (next_is_valid) + last = cols_next [MONO_TYPEDEF_FIELD_LIST] - 1; + else + last = m->tables [MONO_TABLE_FIELD].rows; + + if (cols [MONO_TYPEDEF_FIELD_LIST] && cols [MONO_TYPEDEF_FIELD_LIST] <= m->tables [MONO_TABLE_FIELD].rows) + dis_field_list (m, cols [MONO_TYPEDEF_FIELD_LIST] - 1, last); + fprintf (output, "\n"); + + if (next_is_valid) + last = cols_next [MONO_TYPEDEF_METHOD_LIST] - 1; + else + last = m->tables [MONO_TABLE_METHOD].rows; - for (i = 0; i < t->rows; i++){ - guint32 cols [9]; + if (cols [MONO_TYPEDEF_METHOD_LIST] && cols [MONO_TYPEDEF_METHOD_LIST] <= m->tables [MONO_TABLE_METHOD].rows) + dis_method_list (name, m, cols [MONO_TYPEDEF_METHOD_LIST] - 1, last); - expand (t, i, cols, CSIZE (cols)); - fprintf (output, "%d: %d.%d.%d.%d %s\n", i, - cols [0], cols [1], cols [2], cols [3], - mono_metadata_string_heap (m, cols [6])); + dis_property_list (m, n); + dis_event_list (m, n); + + t = &m->tables [MONO_TABLE_NESTEDCLASS]; + nested = mono_metadata_nesting_typedef (m, n + 1, 1); + while (nested) { + dis_type (m, mono_metadata_decode_row_col (t, nested - 1, MONO_NESTED_CLASS_NESTED) - 1); + nested = mono_metadata_nesting_typedef (m, n + 1, nested + 1); } + + fprintf (output, " } // end of class %s%s%s\n", nspace, *nspace? ".": "", name); + if (*nspace) + fprintf (output, "}\n"); fprintf (output, "\n"); } + +/** + * dis_globals + * @m: metadata context + * + * disassembles all the global fields and methods + */ static void -dump_table_param (metadata_t *m) +dis_globals (MonoImage *m) { - metadata_tableinfo_t *t = &m->tables [META_TABLE_PARAM]; - int i; + MonoTableInfo *t = &m->tables [MONO_TABLE_TYPEDEF]; + guint32 cols [MONO_TYPEDEF_SIZE]; + guint32 cols_next [MONO_TYPEDEF_SIZE]; + gboolean next_is_valid, last; + gchar *name; - fprintf (output, "Param Table\n"); - - for (i = 0; i < t->rows; i++){ - guint32 cols [3]; + name = g_strdup (""); - expand (t, i, cols, CSIZE (cols)); - fprintf (output, "%d: 0x%04x %d %s\n", - i, - cols [0], cols [1], - mono_metadata_string_heap (m, cols [2])); - } + mono_metadata_decode_row (t, 0, cols, MONO_TYPEDEF_SIZE); + + if (t->rows > 1) { + mono_metadata_decode_row (t, 1, cols_next, MONO_TYPEDEF_SIZE); + next_is_valid = 1; + } else + next_is_valid = 0; + + /* + * The value in the table is always valid, we know we have fields + * if the value stored is different than the next record. + */ + + if (next_is_valid) + last = cols_next [MONO_TYPEDEF_FIELD_LIST] - 1; + else + last = m->tables [MONO_TABLE_FIELD].rows; + + if (cols [MONO_TYPEDEF_FIELD_LIST] && cols [MONO_TYPEDEF_FIELD_LIST] <= m->tables [MONO_TABLE_FIELD].rows) + dis_field_list (m, cols [MONO_TYPEDEF_FIELD_LIST] - 1, last); fprintf (output, "\n"); + + if (next_is_valid) + last = cols_next [MONO_TYPEDEF_METHOD_LIST] - 1; + else + last = m->tables [MONO_TABLE_METHOD].rows; + + if (cols [MONO_TYPEDEF_METHOD_LIST] && cols [MONO_TYPEDEF_METHOD_LIST] <= m->tables [MONO_TABLE_METHOD].rows) + dis_method_list (name, m, cols [MONO_TYPEDEF_METHOD_LIST] - 1, last); + } /** @@ -1051,15 +1069,98 @@ dump_table_param (metadata_t *m) * disassembles all types in the @m context */ static void -dis_types (metadata_t *m) +dis_types (MonoImage *m) { - metadata_tableinfo_t *t = &m->tables [META_TABLE_TYPEDEF]; + MonoTableInfo *t = &m->tables [MONO_TABLE_TYPEDEF]; int i; + guint32 flags; + + dis_globals (m); + + for (i = 1; i < t->rows; i++) { + flags = mono_metadata_decode_row_col (t, i, MONO_TYPEDEF_FLAGS); + flags &= TYPE_ATTRIBUTE_VISIBILITY_MASK; + if (flags == TYPE_ATTRIBUTE_PUBLIC || flags == TYPE_ATTRIBUTE_NOT_PUBLIC) + dis_type (m, i); + } +} - for (i = 0; i < t->rows; i++) - dis_type (m, i); +/** + * dis_data: + * @m: metadata context + * + * disassembles all data blobs references in the FieldRVA table in the @m context + */ +static void +dis_data (MonoImage *m) +{ + MonoTableInfo *t = &m->tables [MONO_TABLE_FIELDRVA]; + MonoTableInfo *ft = &m->tables [MONO_TABLE_FIELD]; + int i, b; + const char *rva, *sig; + guint32 align, size; + guint32 cols [MONO_FIELD_RVA_SIZE]; + MonoType *type; + + for (i = 0; i < t->rows; i++) { + mono_metadata_decode_row (t, i, cols, MONO_FIELD_RVA_SIZE); + rva = mono_image_rva_map (m, cols [MONO_FIELD_RVA_RVA]); + sig = mono_metadata_blob_heap (m, mono_metadata_decode_row_col (ft, cols [MONO_FIELD_RVA_FIELD] -1, MONO_FIELD_SIGNATURE)); + mono_metadata_decode_value (sig, &sig); + /* FIELD signature == 0x06 */ + g_assert (*sig == 0x06); + type = mono_metadata_parse_field_type (m, 0, sig + 1, &sig); + mono_class_init (mono_class_from_mono_type (type)); + size = mono_type_size (type, &align); + fprintf (output, ".data D_%08x = bytearray (", cols [MONO_FIELD_RVA_RVA]); + for (b = 0; b < size; ++b) { + if (!(b % 16)) + fprintf (output, "\n\t"); + fprintf (output, " %02X", rva [b] & 0xff); + } + fprintf (output, ") // size: %d\n", size); + } } +struct { + const char *name; + int table; + void (*dumper) (MonoImage *m); +} table_list [] = { + { "--assembly", MONO_TABLE_ASSEMBLY, dump_table_assembly }, + { "--assemblyref", MONO_TABLE_ASSEMBLYREF, dump_table_assemblyref }, + { "--classlayout", MONO_TABLE_CLASSLAYOUT, dump_table_class_layout }, + { "--constant", MONO_TABLE_CONSTANT, dump_table_constant }, + { "--customattr", MONO_TABLE_CUSTOMATTRIBUTE, dump_table_customattr }, + { "--declsec", MONO_TABLE_DECLSECURITY, dump_table_declsec }, + { "--event", MONO_TABLE_EVENT, dump_table_event }, + { "--exported", MONO_TABLE_EXPORTEDTYPE, dump_table_exported }, + { "--fields", MONO_TABLE_FIELD, dump_table_field }, + { "--file", MONO_TABLE_FILE, dump_table_file }, + { "--genericpar", MONO_TABLE_GENERICPARAM, dump_table_genericpar }, + { "--interface", MONO_TABLE_INTERFACEIMPL, dump_table_interfaceimpl }, + { "--manifest", MONO_TABLE_MANIFESTRESOURCE, dump_table_manifest }, + { "--marshal", MONO_TABLE_FIELDMARSHAL, dump_table_field_marshal }, + { "--memberref", MONO_TABLE_MEMBERREF, dump_table_memberref }, + { "--method", MONO_TABLE_METHOD, dump_table_method }, + { "--methodimpl", MONO_TABLE_METHODIMPL, dump_table_methodimpl }, + { "--methodsem", MONO_TABLE_METHODSEMANTICS, dump_table_methodsem }, + { "--methodspec", MONO_TABLE_METHODSPEC, dump_table_methodspec }, + { "--moduleref", MONO_TABLE_MODULEREF, dump_table_moduleref }, + { "--module", MONO_TABLE_MODULE, dump_table_module }, + { "--nested", MONO_TABLE_NESTEDCLASS, dump_table_nestedclass }, + { "--param", MONO_TABLE_PARAM, dump_table_param }, + { "--parconst", MONO_TABLE_GENERICPARAMCONSTRAINT, dump_table_parconstraint }, + { "--property", MONO_TABLE_PROPERTY, dump_table_property }, + { "--propertymap", MONO_TABLE_PROPERTYMAP, dump_table_property_map }, + { "--typedef", MONO_TABLE_TYPEDEF, dump_table_typedef }, + { "--typeref", MONO_TABLE_TYPEREF, dump_table_typeref }, + { "--typespec", MONO_TABLE_TYPESPEC, dump_table_typespec }, + { "--implmap", MONO_TABLE_IMPLMAP, dump_table_implmap }, + { "--blob", NULL, dump_stream_blob }, + { NULL, -1 } +}; + /** * disassemble_file: * @file: file containing CIL code. @@ -1069,53 +1170,50 @@ dis_types (metadata_t *m) static void disassemble_file (const char *file) { - enum MonoAssemblyOpenStatus status; MonoAssembly *ass; - cli_image_info_t *ii; - metadata_t *m; - + MonoImageOpenStatus status; + MonoImage *img; ass = mono_assembly_open (file, &status); if (ass == NULL){ fprintf (stderr, "Error while trying to process %s\n", file); - + return; } - ii = ass->image_info; - m = &ii->cli_metadata; - + img = ass->image; + if (dump_table != -1){ - switch (dump_table){ - case META_TABLE_TYPEDEF: - dump_table_typedef (m); - break; - case META_TABLE_TYPEREF: - dump_table_typeref (m); - break; - case META_TABLE_ASSEMBLYREF: - dump_table_assemblyref (m); - break; - case META_TABLE_PARAM: - dump_table_param (m); - break; - default: - g_error ("Internal error"); - } + (*table_list [dump_table].dumper) (img); } else { - dump_header_data (ass); + dump_header_data (img); - dis_directive_assemblyref (m); - dis_directive_assembly (m); - dis_types (m); + dis_directive_assemblyref (img); + dis_directive_assembly (img); + dis_directive_file (img); + dis_directive_module (img); + dis_directive_moduleref (img); + dis_types (img); + dis_data (img); } - mono_assembly_close (ass); + mono_image_close (img); } static void usage (void) { - fprintf (stderr, "Usage is: monodis [--typeref][--typedef][--assemblyref] file ..\n"); + GString *args = g_string_new ("[--output=filename] [--help] [--mscorlib]\n"); + int i; + + for (i = 0; table_list [i].name != NULL; i++){ + g_string_append (args, "["); + g_string_append (args, table_list [i].name); + g_string_append (args, "] "); + if (((i-2) % 5) == 0) + g_string_append_c (args, '\n'); + } + fprintf (stderr, + "Usage is: monodis %s file ..\n", args->str); exit (1); } @@ -1123,25 +1221,41 @@ int main (int argc, char *argv []) { GList *input_files = NULL, *l; - int i; + int i, j; output = stdout; + init_key_table (); for (i = 1; i < argc; i++){ if (argv [i][0] == '-'){ if (argv [i][1] == 'h') usage (); else if (argv [i][1] == 'd') dump_header_data_p = TRUE; - else if (strcmp (argv [i], "--help") == 0) + else if (strcmp (argv [i], "--mscorlib") == 0) { + substitute_with_mscorlib_p = TRUE; + continue; + } else if (strcmp (argv [i], "--show-method-tokens") == 0) { + show_method_tokens = TRUE; + continue; + } else if (strcmp (argv [i], "--show-tokens") == 0) { + show_tokens = TRUE; + continue; + } else if (strncmp (argv [i], "--output=", 9) == 0) { + output = fopen (argv [i]+9, "w"); + if (output == NULL) { + fprintf (stderr, "Can't open output file `%s': %s\n", + argv [i]+9, strerror (errno)); + exit (1); + } + continue; + } else if (strcmp (argv [i], "--help") == 0) + usage (); + for (j = 0; table_list [j].name != NULL; j++) { + if (strcmp (argv [i], table_list [j].name) == 0) + dump_table = j; + } + if (dump_table < 0) usage (); - else if (strcmp (argv [i], "--typeref") == 0) - dump_table = META_TABLE_TYPEREF; - else if (strcmp (argv [i], "--typedef") == 0) - dump_table = META_TABLE_TYPEDEF; - else if (strcmp (argv [i], "--assemblyref") == 0) - dump_table = META_TABLE_ASSEMBLYREF; - else if (strcmp (argv [i], "--param") == 0) - dump_table = META_TABLE_PARAM; } else input_files = g_list_append (input_files, argv [i]); } @@ -1149,6 +1263,8 @@ main (int argc, char *argv []) if (input_files == NULL) usage (); + mono_init (argv [0]); + for (l = input_files; l; l = l->next) disassemble_file (l->data);