+void ObjectFileHeader::IntegrityCheck(unsigned int fsize) const {
+ if (ident[0] != 'L'
+ || ident[1] != '2'
+ || ident[2] != 'E'
+ || ident[3] != '\n') {
+ throw runtime_error("magic bytes mismatch");
+ }
+ if (versionId != FORMAT_ID) {
+ throw runtime_error("format ID mismatch");
+ }
+ if (exportsBegin < sizeof(ObjectFileHeader)
+ || exportsBegin > fsize) {
+ throw runtime_error("exports section out of bounds");
+ }
+ if (exportsEnd < exportsBegin
+ || exportsEnd > fsize
+ || (exportsEnd - exportsBegin) % sizeof(Export) != 0) {
+ throw runtime_error("bogus exports section end");
+ }
+ if (externalsBegin < sizeof(ObjectFileHeader)
+ || externalsBegin >= fsize) {
+ throw runtime_error("externals section out of bounds");
+ }
+ if (externalsEnd < externalsBegin
+ || externalsEnd > fsize
+ || (externalsEnd - externalsBegin) % sizeof(External) != 0) {
+ throw runtime_error("bogus externals section end");
+ }
+ if (objectsBegin < sizeof(ObjectFileHeader)
+ || objectsBegin >= fsize
+ || objectsEnd < objectsBegin
+ || objectsEnd > fsize) {
+ throw runtime_error("objects section out of bounds");
+ }
+ if (arraysBegin < sizeof(ObjectFileHeader)
+ || arraysBegin >= fsize
+ || arraysEnd < arraysBegin
+ || arraysEnd > fsize) {
+ throw runtime_error("arrays section out of bounds");
+ }
+}
+
+Export *ObjectFileHeader::ExportsBegin() {
+ char *data = reinterpret_cast<char *>(this);
+ return reinterpret_cast<Export *>(data + exportsBegin);
+}
+
+Export *ObjectFileHeader::ExportsEnd() {
+ char *data = reinterpret_cast<char *>(this);
+ return reinterpret_cast<Export *>(data + exportsEnd);
+}
+
+External *ObjectFileHeader::ExternalsBegin() {
+ char *data = reinterpret_cast<char *>(this);
+ return reinterpret_cast<External *>(data + externalsBegin);
+}
+
+External *ObjectFileHeader::ExternalsEnd() {
+ char *data = reinterpret_cast<char *>(this);
+ return reinterpret_cast<External *>(data + externalsEnd);
+}
+
+Object *ObjectFileHeader::ObjectsBegin() {
+ char *data = reinterpret_cast<char *>(this);
+ return reinterpret_cast<Object *>(data + objectsBegin);
+}
+
+Object *ObjectFileHeader::ObjectsEnd() {
+ char *data = reinterpret_cast<char *>(this);
+ return reinterpret_cast<Object *>(data + objectsEnd);
+}
+
+Array *ObjectFileHeader::ArraysBegin() {
+ char *data = reinterpret_cast<char *>(this);
+ return reinterpret_cast<Array *>(data + arraysBegin);
+}
+
+Array *ObjectFileHeader::ArraysEnd() {
+ char *data = reinterpret_cast<char *>(this);
+ return reinterpret_cast<Array *>(data + arraysEnd);
+}
+
+
+char *Object::RawObject() {
+ return reinterpret_cast<char *>(this) + sizeof(Object);
+}
+
+Object *Object::Next() {
+ return reinterpret_cast<Object *>(RawObject() + size);
+}
+
+
+char *Array::Data() {
+ return reinterpret_cast<char *>(this) + sizeof(Array);
+}