static void command_get_context(char * token, Channel * c) { int err = 0; char id[256]; Symbol sym; json_read_string(&c->inp, id, sizeof(id)); if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX); if (read_stream(&c->inp) != MARKER_EOM) exception(ERR_JSON_SYNTAX); if (id2symbol(id, &sym) < 0) err = errno; write_stringz(&c->out, "R"); write_stringz(&c->out, token); write_errno(&c->out, err); if (err == 0) { char * name = NULL; int type_class = TYPE_CLASS_UNKNOWN; Symbol type; size_t size = 0; void * value = NULL; unsigned long length = 0; unsigned long offset = 0; ContextAddress address = 0; int frame = STACK_NO_FRAME; /* TODO: symbol frame */ write_stream(&c->out, '{'); json_write_string(&c->out, "ID"); write_stream(&c->out, ':'); json_write_string(&c->out, id); write_stream(&c->out, ','); json_write_string(&c->out, "ExeID"); write_stream(&c->out, ':'); json_write_string(&c->out, container_id(sym.ctx)); write_stream(&c->out, ','); if (get_symbol_name(&sym, &name) == 0 && name != NULL) { json_write_string(&c->out, "Name"); write_stream(&c->out, ':'); json_write_string(&c->out, name); write_stream(&c->out, ','); loc_free(name); } if (get_symbol_type_class(&sym, &type_class) == 0 && type_class != TYPE_CLASS_UNKNOWN) { json_write_string(&c->out, "TypeClass"); write_stream(&c->out, ':'); json_write_long(&c->out, type_class); write_stream(&c->out, ','); } if (get_symbol_type(&sym, &type) == 0) { json_write_string(&c->out, "TypeID"); write_stream(&c->out, ':'); json_write_string(&c->out, symbol2id(&type)); write_stream(&c->out, ','); } if (get_symbol_base_type(&sym, &type) == 0) { json_write_string(&c->out, "BaseTypeID"); write_stream(&c->out, ':'); json_write_string(&c->out, symbol2id(&type)); write_stream(&c->out, ','); } if (get_symbol_index_type(&sym, &type) == 0) { json_write_string(&c->out, "IndexTypeID"); write_stream(&c->out, ':'); json_write_string(&c->out, symbol2id(&type)); write_stream(&c->out, ','); } if (get_symbol_size(&sym, frame, &size) == 0) { json_write_string(&c->out, "Size"); write_stream(&c->out, ':'); json_write_long(&c->out, size); write_stream(&c->out, ','); } if (get_symbol_length(&sym, frame, &length) == 0) { json_write_string(&c->out, "Length"); write_stream(&c->out, ':'); json_write_long(&c->out, length); write_stream(&c->out, ','); } if (sym.sym_class == SYM_CLASS_REFERENCE) { if (get_symbol_offset(&sym, &offset) == 0) { json_write_string(&c->out, "Offset"); write_stream(&c->out, ':'); json_write_long(&c->out, offset); write_stream(&c->out, ','); } if (get_symbol_address(&sym, frame, &address) == 0) { json_write_string(&c->out, "Address"); write_stream(&c->out, ':'); json_write_long(&c->out, address); write_stream(&c->out, ','); } } if (sym.sym_class == SYM_CLASS_VALUE && get_symbol_value(&sym, &value, &size) == 0) { json_write_string(&c->out, "Value"); write_stream(&c->out, ':'); json_write_binary(&c->out, value, size); write_stream(&c->out, ','); } json_write_string(&c->out, "Class"); write_stream(&c->out, ':'); json_write_long(&c->out, sym.sym_class); write_stream(&c->out, '}'); write_stream(&c->out, 0); } else { write_stringz(&c->out, "null"); } write_stream(&c->out, MARKER_EOM); }
int get_symbol_name(const Symbol * sym, char ** name) { WCHAR * ptr = NULL; assert(sym->magic == SYMBOL_MAGIC); if (sym->base) { *name = NULL; return 0; } if (sym->info) { *name = sym->info->name; return 0; } *name = NULL; if (get_type_info(sym, TI_GET_SYMNAME, &ptr) < 0) ptr = NULL; if (ptr != NULL && wcscmp(ptr, L"<unnamed-tag>") == 0) ptr = NULL; if (ptr != NULL) { int len = 0; int err = 0; if (tmp_buf == NULL) { tmp_buf_size = 256; tmp_buf = (char *)loc_alloc(tmp_buf_size); } for (;;) { len = WideCharToMultiByte(CP_UTF8, 0, ptr, -1, tmp_buf, tmp_buf_size - 1, NULL, NULL); if (len != 0) break; err = GetLastError(); if (err != ERROR_INSUFFICIENT_BUFFER) { set_win32_errno(err); return -1; } tmp_buf_size *= 2; tmp_buf = (char *)loc_realloc(tmp_buf, tmp_buf_size); } HeapFree(GetProcessHeap(), 0, ptr); tmp_buf[len] = 0; *name = tmp_buf; } else { DWORD tag = 0; Symbol type = *sym; if (get_type_tag(&type, &tag)) return -1; if (tag == SymTagBaseType) { ContextAddress size = 0; int type_class = 0; unsigned char sign = 0; unsigned char real = 0; const TypeInfo * p = basic_type_info; if (get_symbol_size(&type, &size)) return -1; if (get_symbol_type_class(&type, &type_class)) return -1; if (type_class == TYPE_CLASS_INTEGER) sign = 1; else if (type_class == TYPE_CLASS_REAL) real = sign = 1; while (p->name != NULL) { if (p->size == size && p->sign == sign && p->real == real) { *name = p->name; break; } p++; } } } return 0; }
static void command_get_context_cache_client(void * x) { CommandGetContextArgs * args = (CommandGetContextArgs *)x; Channel * c = cache_channel(); int err = 0; Symbol * sym = NULL; char * owner = NULL; char * name = NULL; int update_policy = 0; int sym_class = SYM_CLASS_UNKNOWN; int type_class = TYPE_CLASS_UNKNOWN; Symbol * type = NULL; Symbol * base = NULL; Symbol * index = NULL; Symbol * container = NULL; int has_size = 0; int has_length = 0; int has_lower_bound = 0; int has_offset = 0; int has_address = 0; int has_frame = 0; int big_endian = 0; ContextAddress size = 0; ContextAddress length = 0; int64_t lower_bound = 0; ContextAddress offset = 0; ContextAddress address = 0; RegisterDefinition * reg = NULL; SYM_FLAGS flags = 0; void * value = NULL; size_t value_size = 0; Context * ctx = NULL; int frame = STACK_NO_FRAME; SymbolProperties props; memset(&props, 0, sizeof(props)); if (id2symbol(args->id, &sym) < 0) err = errno; if (err == 0) { get_symbol_class(sym, &sym_class); get_symbol_update_policy(sym, &owner, &update_policy); get_symbol_name(sym, &name); get_symbol_type_class(sym, &type_class); get_symbol_type(sym, &type); get_symbol_base_type(sym, &base); get_symbol_index_type(sym, &index); get_symbol_container(sym, &container); has_frame = get_symbol_frame(sym, &ctx, &frame) == 0; has_size = get_symbol_size(sym, &size) == 0; if (type_class == TYPE_CLASS_ARRAY) { has_length = get_symbol_length(sym, &length) == 0; if (has_length) has_lower_bound = get_symbol_lower_bound(sym, &lower_bound) == 0; } if (sym_class == SYM_CLASS_REFERENCE || sym_class == SYM_CLASS_FUNCTION || sym_class == SYM_CLASS_VALUE || sym_class == SYM_CLASS_TYPE || sym_class == SYM_CLASS_VARIANT_PART) { LocationInfo * loc_info = NULL; if (has_frame && get_location_info(sym, &loc_info) == 0) { LocationExpressionState * state = NULL; if (loc_info->args_cnt == 0) { /* Absolute location */ state = evaluate_location(ctx, frame, loc_info); if (state != NULL) { if (state->stk_pos == 1) { address = (ContextAddress)state->stk[0]; has_address = 1; } if (state->pieces_cnt == 1 && state->pieces->reg != NULL && state->pieces->reg->size == state->pieces->size) { reg = state->pieces->reg; } if (state->pieces_cnt > 0) { Trap trap; if (set_trap(&trap)) { read_location_pieces(state->ctx, state->stack_frame, state->pieces, state->pieces_cnt, loc_info->big_endian, &value, &value_size); big_endian = loc_info->big_endian; clear_trap(&trap); } } } } else if (loc_info->args_cnt == 1) { /* Relative location */ state = evaluate_location(ctx, frame, loc_info); if (state != NULL && state->stk_pos == 1) { offset = (ContextAddress)state->stk[0]; has_offset = 1; } } } } get_symbol_flags(sym, &flags); get_symbol_props(sym, &props); } cache_exit(); write_stringz(&c->out, "R"); write_stringz(&c->out, args->token); write_errno(&c->out, err); if (err == 0) { write_stream(&c->out, '{'); json_write_string(&c->out, "ID"); write_stream(&c->out, ':'); json_write_string(&c->out, args->id); write_stream(&c->out, ','); if (owner != NULL) { json_write_string(&c->out, "OwnerID"); write_stream(&c->out, ':'); json_write_string(&c->out, owner); write_stream(&c->out, ','); json_write_string(&c->out, "UpdatePolicy"); write_stream(&c->out, ':'); json_write_long(&c->out, update_policy); write_stream(&c->out, ','); } if (name != NULL) { json_write_string(&c->out, "Name"); write_stream(&c->out, ':'); json_write_string(&c->out, name); write_stream(&c->out, ','); } if (type_class != TYPE_CLASS_UNKNOWN) { json_write_string(&c->out, "TypeClass"); write_stream(&c->out, ':'); json_write_long(&c->out, type_class); write_stream(&c->out, ','); } if (type != NULL) { json_write_string(&c->out, "TypeID"); write_stream(&c->out, ':'); json_write_string(&c->out, symbol2id(type)); write_stream(&c->out, ','); } if (base != NULL) { json_write_string(&c->out, "BaseTypeID"); write_stream(&c->out, ':'); json_write_string(&c->out, symbol2id(base)); write_stream(&c->out, ','); } if (index != NULL) { json_write_string(&c->out, "IndexTypeID"); write_stream(&c->out, ':'); json_write_string(&c->out, symbol2id(index)); write_stream(&c->out, ','); } if (container != NULL) { json_write_string(&c->out, "ContainerID"); write_stream(&c->out, ':'); json_write_string(&c->out, symbol2id(container)); write_stream(&c->out, ','); } if (has_size) { json_write_string(&c->out, "Size"); write_stream(&c->out, ':'); json_write_uint64(&c->out, size); write_stream(&c->out, ','); } if (has_length) { json_write_string(&c->out, "Length"); write_stream(&c->out, ':'); json_write_uint64(&c->out, length); write_stream(&c->out, ','); if (has_lower_bound) { json_write_string(&c->out, "LowerBound"); write_stream(&c->out, ':'); json_write_int64(&c->out, lower_bound); write_stream(&c->out, ','); json_write_string(&c->out, "UpperBound"); write_stream(&c->out, ':'); json_write_int64(&c->out, lower_bound + (int64_t)length - 1); write_stream(&c->out, ','); } } if (has_offset) { json_write_string(&c->out, "Offset"); write_stream(&c->out, ':'); json_write_uint64(&c->out, offset); write_stream(&c->out, ','); } if (has_address) { json_write_string(&c->out, "Address"); write_stream(&c->out, ':'); json_write_uint64(&c->out, address); write_stream(&c->out, ','); } if (reg != NULL && has_frame) { json_write_string(&c->out, "Register"); write_stream(&c->out, ':'); json_write_string(&c->out, register2id(ctx, frame, reg)); write_stream(&c->out, ','); } if (flags) { json_write_string(&c->out, "Flags"); write_stream(&c->out, ':'); json_write_long(&c->out, flags); write_stream(&c->out, ','); } if (props.binary_scale != 0) { json_write_string(&c->out, "BinaryScale"); write_stream(&c->out, ':'); json_write_long(&c->out, props.binary_scale); write_stream(&c->out, ','); } if (props.decimal_scale != 0) { json_write_string(&c->out, "DecimalScale"); write_stream(&c->out, ':'); json_write_long(&c->out, props.decimal_scale); write_stream(&c->out, ','); } if (props.bit_stride != 0) { json_write_string(&c->out, "BitStride"); write_stream(&c->out, ':'); json_write_ulong(&c->out, props.bit_stride); write_stream(&c->out, ','); } if (props.local_entry_offset != 0) { json_write_string(&c->out, "LocalEntryOffset"); write_stream(&c->out, ':'); json_write_ulong(&c->out, props.local_entry_offset); write_stream(&c->out, ','); } if (value != NULL) { json_write_string(&c->out, "Value"); write_stream(&c->out, ':'); json_write_binary(&c->out, value, value_size); write_stream(&c->out, ','); if (big_endian) { json_write_string(&c->out, "BigEndian"); write_stream(&c->out, ':'); json_write_boolean(&c->out, 1); write_stream(&c->out, ','); } } if (has_frame && frame != STACK_NO_FRAME) { json_write_string(&c->out, "Frame"); write_stream(&c->out, ':'); json_write_long(&c->out, frame); write_stream(&c->out, ','); } json_write_string(&c->out, "Class"); write_stream(&c->out, ':'); json_write_long(&c->out, sym_class); write_stream(&c->out, '}'); write_stream(&c->out, 0); } else { write_stringz(&c->out, "null"); } write_stream(&c->out, MARKER_EOM); }