static gboolean mono_blob_entry_equal (const char *str1, const char *str2) { MONO_REQ_GC_NEUTRAL_MODE; int len, len2; const char *end1; const char *end2; len = mono_metadata_decode_blob_size (str1, &end1); len2 = mono_metadata_decode_blob_size (str2, &end2); if (len != len2) return 0; return memcmp (end1, end2, len) == 0; }
static int mono_blob_entry_hash (const char* str) { MONO_REQ_GC_NEUTRAL_MODE; guint len, h; const char *end; len = mono_metadata_decode_blob_size (str, &str); if (len > 0) { end = str + len; h = *str; for (str += 1; str < end; str++) h = (h << 5) - h + *str; return h; } else { return 0; } }
MonoDebugMethodAsyncInfo* mono_ppdb_lookup_method_async_debug_info (MonoDebugMethodInfo *minfo) { MonoMethod *method = minfo->method; MonoPPDBFile *ppdb = minfo->handle->ppdb; MonoImage *image = ppdb->image; // Guid is taken from Roslyn source code: // https://github.com/dotnet/roslyn/blob/1ad4b58/src/Dependencies/CodeAnalysis.Metadata/PortableCustomDebugInfoKinds.cs#L9 guint8 async_method_stepping_information_guid [16] = { 0xC5, 0x2A, 0xFD, 0x54, 0x25, 0xE9, 0x1A, 0x40, 0x9C, 0x2A, 0xF9, 0x4F, 0x17, 0x10, 0x72, 0xF8 }; char const *blob = lookup_custom_debug_information (image, method->token, 0, async_method_stepping_information_guid); if (!blob) return NULL; int blob_len = mono_metadata_decode_blob_size (blob, &blob); MonoDebugMethodAsyncInfo* res = g_new0 (MonoDebugMethodAsyncInfo, 1); char const *pointer = blob; // Format of this blob is taken from Roslyn source code: // https://github.com/dotnet/roslyn/blob/1ad4b58/src/Compilers/Core/Portable/PEWriter/MetadataWriter.PortablePdb.cs#L566 pointer += 4;//catch_handler_offset while (pointer - blob < blob_len) { res->num_awaits++; pointer += 8;//yield_offsets+resume_offsets mono_metadata_decode_value (pointer, &pointer);//move_next_method_token } g_assert(pointer - blob == blob_len); //Check that we used all blob data pointer = blob; //reset pointer after we figured num_awaits res->yield_offsets = g_new (uint32_t, res->num_awaits); res->resume_offsets = g_new (uint32_t, res->num_awaits); res->move_next_method_token = g_new (uint32_t, res->num_awaits); res->catch_handler_offset = read32 (pointer); pointer += 4; for (int i = 0; i < res->num_awaits; i++) { res->yield_offsets [i] = read32 (pointer); pointer += 4; res->resume_offsets [i] = read32 (pointer); pointer += 4; res->move_next_method_token [i] = mono_metadata_decode_value (pointer, &pointer); } return res; }
static const unsigned char* dis_one (GString *str, MonoDisHelper *dh, MonoMethod *method, const unsigned char *ip, const unsigned char *end) { MonoMethodHeader *header = mono_method_get_header (method); const MonoOpcode *opcode; guint32 label, token; gint32 sval; int i; char *tmp; const unsigned char* il_code = mono_method_header_get_code (header, NULL, NULL); label = ip - il_code; if (dh->indenter) { tmp = dh->indenter (dh, method, label); g_string_append (str, tmp); g_free (tmp); } if (dh->label_format) g_string_append_printf (str, dh->label_format, label); i = mono_opcode_value (&ip, end); ip++; opcode = &mono_opcodes [i]; g_string_append_printf (str, "%-10s", mono_opcode_name (i)); switch (opcode->argument) { case MonoInlineNone: break; case MonoInlineType: case MonoInlineField: case MonoInlineMethod: case MonoInlineTok: case MonoInlineSig: token = read32 (ip); if (dh->tokener) { tmp = dh->tokener (dh, method, token); g_string_append (str, tmp); g_free (tmp); } else { g_string_append_printf (str, "0x%08x", token); } ip += 4; break; case MonoInlineString: { const char *blob; char *s; size_t len2; char *blob2 = NULL; if (!image_is_dynamic (method->klass->image) && !method_is_dynamic (method)) { token = read32 (ip); blob = mono_metadata_user_string (method->klass->image, mono_metadata_token_index (token)); len2 = mono_metadata_decode_blob_size (blob, &blob); len2 >>= 1; #ifdef NO_UNALIGNED_ACCESS /* The blob might not be 2 byte aligned */ blob2 = g_malloc ((len2 * 2) + 1); memcpy (blob2, blob, len2 * 2); #else blob2 = (char*)blob; #endif #if G_BYTE_ORDER != G_LITTLE_ENDIAN { guint16 *buf = g_new (guint16, len2 + 1); int i; for (i = 0; i < len2; ++i) buf [i] = GUINT16_FROM_LE (((guint16*)blob2) [i]); s = g_utf16_to_utf8 (buf, len2, NULL, NULL, NULL); g_free (buf); } #else s = g_utf16_to_utf8 ((gunichar2*)blob2, len2, NULL, NULL, NULL); #endif g_string_append_printf (str, "\"%s\"", s); g_free (s); if (blob != blob2) g_free (blob2); } ip += 4; break; } case MonoInlineVar: g_string_append_printf (str, "%d", read16 (ip)); ip += 2; break; case MonoShortInlineVar: g_string_append_printf (str, "%d", (*ip)); ip ++; break; case MonoInlineBrTarget: sval = read32 (ip); ip += 4; if (dh->label_target) g_string_append_printf (str, dh->label_target, ip + sval - il_code); else g_string_append_printf (str, "%d", sval); break; case MonoShortInlineBrTarget: sval = *(const signed char*)ip; ip ++; if (dh->label_target) g_string_append_printf (str, dh->label_target, ip + sval - il_code); else g_string_append_printf (str, "%d", sval); break; case MonoInlineSwitch: { const unsigned char *end; sval = read32 (ip); ip += 4; end = ip + sval * 4; g_string_append_c (str, '('); for (i = 0; i < sval; ++i) { if (i > 0) g_string_append (str, ", "); label = read32 (ip); if (dh->label_target) g_string_append_printf (str, dh->label_target, end + label - il_code); else g_string_append_printf (str, "%d", label); ip += 4; } g_string_append_c (str, ')'); break; } case MonoInlineR: { double r; readr8 (ip, &r); g_string_append_printf (str, "%g", r); ip += 8; break; } case MonoShortInlineR: { float r; readr4 (ip, &r); g_string_append_printf (str, "%g", r); ip += 4; break; } case MonoInlineI: g_string_append_printf (str, "%d", (gint32)read32 (ip)); ip += 4; break; case MonoShortInlineI: g_string_append_printf (str, "%d", *(const signed char*)ip); ip ++; break; case MonoInlineI8: ip += 8; break; default: g_assert_not_reached (); }
void mono_ppdb_get_seq_points (MonoDebugMethodInfo *minfo, char **source_file, GPtrArray **source_file_list, int **source_files, MonoSymSeqPoint **seq_points, int *n_seq_points) { MonoPPDBFile *ppdb = minfo->handle->ppdb; MonoImage *image = ppdb->image; MonoMethod *method = minfo->method; MonoTableInfo *tables = image->tables; guint32 cols [MONO_METHODBODY_SIZE]; const char *ptr; const char *end; MonoDebugSourceInfo *docinfo; int i, method_idx, size, docidx, iloffset, delta_il, delta_lines, delta_cols, start_line, start_col, adv_line, adv_col; gboolean first = TRUE, first_non_hidden = TRUE; GArray *sps; MonoSymSeqPoint sp; GPtrArray *sfiles = NULL; GPtrArray *sindexes = NULL; if (source_file) *source_file = NULL; if (source_file_list) *source_file_list = NULL; if (source_files) *source_files = NULL; if (seq_points) *seq_points = NULL; if (n_seq_points) *n_seq_points = 0; if (source_file_list) *source_file_list = sfiles = g_ptr_array_new (); if (source_files) sindexes = g_ptr_array_new (); if (!method->token) return; method_idx = mono_metadata_token_index (method->token); mono_metadata_decode_row (&tables [MONO_TABLE_METHODBODY], method_idx-1, cols, MONO_METHODBODY_SIZE); docidx = cols [MONO_METHODBODY_DOCUMENT]; if (!cols [MONO_METHODBODY_SEQ_POINTS]) return; ptr = mono_metadata_blob_heap (image, cols [MONO_METHODBODY_SEQ_POINTS]); size = mono_metadata_decode_blob_size (ptr, &ptr); end = ptr + size; sps = g_array_new (FALSE, TRUE, sizeof (MonoSymSeqPoint)); /* Header */ /* LocalSignature */ mono_metadata_decode_value (ptr, &ptr); if (docidx == 0) docidx = mono_metadata_decode_value (ptr, &ptr); docinfo = get_docinfo (ppdb, image, docidx); if (sfiles) g_ptr_array_add (sfiles, docinfo); if (source_file) *source_file = g_strdup (docinfo->source_file); iloffset = 0; start_line = 0; start_col = 0; while (ptr < end) { delta_il = mono_metadata_decode_value (ptr, &ptr); if (!first && delta_il == 0) { /* subsequent-document-record */ docidx = mono_metadata_decode_value (ptr, &ptr); docinfo = get_docinfo (ppdb, image, docidx); if (sfiles) g_ptr_array_add (sfiles, docinfo); continue; } iloffset += delta_il; first = FALSE; delta_lines = mono_metadata_decode_value (ptr, &ptr); if (delta_lines == 0) delta_cols = mono_metadata_decode_value (ptr, &ptr); else delta_cols = mono_metadata_decode_signed_value (ptr, &ptr); if (delta_lines == 0 && delta_cols == 0) { /* Hidden sequence point */ continue; } if (first_non_hidden) { start_line = mono_metadata_decode_value (ptr, &ptr); start_col = mono_metadata_decode_value (ptr, &ptr); } else { adv_line = mono_metadata_decode_signed_value (ptr, &ptr); adv_col = mono_metadata_decode_signed_value (ptr, &ptr); start_line += adv_line; start_col += adv_col; } first_non_hidden = FALSE; memset (&sp, 0, sizeof (sp)); sp.il_offset = iloffset; sp.line = start_line; sp.column = start_col; sp.end_line = start_line + delta_lines; sp.end_column = start_col + delta_cols; g_array_append_val (sps, sp); if (source_files) g_ptr_array_add (sindexes, GUINT_TO_POINTER (sfiles->len - 1)); } if (n_seq_points) { *n_seq_points = sps->len; g_assert (seq_points); *seq_points = g_new (MonoSymSeqPoint, sps->len); memcpy (*seq_points, sps->data, sps->len * sizeof (MonoSymSeqPoint)); } if (source_files) { *source_files = g_new (int, sps->len); for (i = 0; i < sps->len; ++i) (*source_files)[i] = GPOINTER_TO_INT (g_ptr_array_index (sindexes, i)); g_ptr_array_free (sindexes, TRUE); } g_array_free (sps, TRUE); }
/** * mono_ppdb_lookup_location: * \param minfo A \c MonoDebugMethodInfo which can be retrieved by mono_debug_lookup_method(). * \param offset IL offset within the corresponding method's CIL code. * * This function is similar to mono_debug_lookup_location(), but we * already looked up the method and also already did the * native address -> IL offset mapping. */ MonoDebugSourceLocation * mono_ppdb_lookup_location (MonoDebugMethodInfo *minfo, uint32_t offset) { MonoPPDBFile *ppdb = minfo->handle->ppdb; MonoImage *image = ppdb->image; MonoMethod *method = minfo->method; MonoTableInfo *tables = image->tables; guint32 cols [MONO_METHODBODY_SIZE]; const char *ptr; const char *end; char *docname; int idx, size, docidx, iloffset, delta_il, delta_lines, delta_cols, start_line, start_col, adv_line, adv_col; gboolean first = TRUE, first_non_hidden = TRUE; MonoDebugSourceLocation *location; if (!method->token) return NULL; idx = mono_metadata_token_index (method->token); mono_metadata_decode_row (&tables [MONO_TABLE_METHODBODY], idx-1, cols, MONO_METHODBODY_SIZE); docidx = cols [MONO_METHODBODY_DOCUMENT]; if (!cols [MONO_METHODBODY_SEQ_POINTS]) return NULL; ptr = mono_metadata_blob_heap (image, cols [MONO_METHODBODY_SEQ_POINTS]); size = mono_metadata_decode_blob_size (ptr, &ptr); end = ptr + size; /* Header */ /* LocalSignature */ mono_metadata_decode_value (ptr, &ptr); if (docidx == 0) docidx = mono_metadata_decode_value (ptr, &ptr); docname = get_docname (ppdb, image, docidx); iloffset = 0; start_line = 0; start_col = 0; while (ptr < end) { delta_il = mono_metadata_decode_value (ptr, &ptr); if (!first && delta_il == 0) { /* document-record */ docidx = mono_metadata_decode_value (ptr, &ptr); docname = get_docname (ppdb, image, docidx); continue; } if (!first && iloffset + delta_il > offset) break; iloffset += delta_il; first = FALSE; delta_lines = mono_metadata_decode_value (ptr, &ptr); if (delta_lines == 0) delta_cols = mono_metadata_decode_value (ptr, &ptr); else delta_cols = mono_metadata_decode_signed_value (ptr, &ptr); if (delta_lines == 0 && delta_cols == 0) /* hidden-sequence-point-record */ continue; if (first_non_hidden) { start_line = mono_metadata_decode_value (ptr, &ptr); start_col = mono_metadata_decode_value (ptr, &ptr); } else { adv_line = mono_metadata_decode_signed_value (ptr, &ptr); adv_col = mono_metadata_decode_signed_value (ptr, &ptr); start_line += adv_line; start_col += adv_col; } first_non_hidden = FALSE; } location = g_new0 (MonoDebugSourceLocation, 1); location->source_file = docname; location->row = start_line; location->il_offset = iloffset; return location; }
static MonoDebugSourceInfo* get_docinfo (MonoPPDBFile *ppdb, MonoImage *image, int docidx) { MonoTableInfo *tables = image->tables; guint32 cols [MONO_DOCUMENT_SIZE]; const char *ptr; const char *start; const char *part_ptr; int size, part_size, partidx, nparts; char sep; GString *s; MonoDebugSourceInfo *res, *cached; mono_debugger_lock (); cached = (MonoDebugSourceInfo *)g_hash_table_lookup (ppdb->doc_hash, GUINT_TO_POINTER (docidx)); mono_debugger_unlock (); if (cached) return cached; mono_metadata_decode_row (&tables [MONO_TABLE_DOCUMENT], docidx-1, cols, MONO_DOCUMENT_SIZE); ptr = mono_metadata_blob_heap (image, cols [MONO_DOCUMENT_NAME]); size = mono_metadata_decode_blob_size (ptr, &ptr); start = ptr; // FIXME: UTF8 sep = ptr [0]; ptr ++; s = g_string_new (""); nparts = 0; while (ptr < start + size) { partidx = mono_metadata_decode_value (ptr, &ptr); if (nparts) g_string_append_c (s, sep); if (partidx) { part_ptr = mono_metadata_blob_heap (image, partidx); part_size = mono_metadata_decode_blob_size (part_ptr, &part_ptr); // FIXME: UTF8 g_string_append_len (s, part_ptr, part_size); } nparts ++; } res = g_new0 (MonoDebugSourceInfo, 1); res->source_file = g_string_free (s, FALSE); res->guid = NULL; res->hash = (guint8*)mono_metadata_blob_heap (image, cols [MONO_DOCUMENT_HASH]); mono_debugger_lock (); cached = (MonoDebugSourceInfo *)g_hash_table_lookup (ppdb->doc_hash, GUINT_TO_POINTER (docidx)); if (!cached) { g_hash_table_insert (ppdb->doc_hash, GUINT_TO_POINTER (docidx), res); } else { doc_free (res); res = cached; } mono_debugger_unlock (); return res; }