+
+ std::vector<segment_command *> GetSegments(const char *segment_name) {
+ std::vector<struct segment_command *> segment_commands;
+
+ _foreach (load_command, GetLoadCommands())
+ if (Swap((*load_command)->cmd) == LC_SEGMENT) {
+ segment_command *segment_command = reinterpret_cast<struct segment_command *>(*load_command);
+ if (strncmp(segment_command->segname, segment_name, 16) == 0)
+ segment_commands.push_back(segment_command);
+ }
+
+ return segment_commands;
+ }
+
+ std::vector<section *> GetSections(const char *segment_name, const char *section_name) {
+ std::vector<section *> sections;
+
+ _foreach (segment, GetSegments(segment_name)) {
+ section *section = (struct section *) (*segment + 1);
+
+ uint32_t sect;
+ for (sect = 0; sect != Swap((*segment)->nsects); ++sect) {
+ if (strncmp(section->sectname, section_name, 16) == 0)
+ sections.push_back(section);
+ ++section;
+ }
+ }
+
+ return sections;
+ }
+
+ template <typename Target_>
+ Pointer<Target_> GetPointer(uint32_t address, const char *segment_name = NULL) {
+ load_command *load_command = (struct load_command *) (mach_header_ + 1);
+ uint32_t cmd;
+
+ for (cmd = 0; cmd != Swap(mach_header_->ncmds); ++cmd) {
+ if (Swap(load_command->cmd) == LC_SEGMENT) {
+ segment_command *segment_command = (struct segment_command *) load_command;
+ if (segment_name != NULL && strncmp(segment_command->segname, segment_name, 16) != 0)
+ goto next_command;
+
+ section *sections = (struct section *) (segment_command + 1);
+
+ uint32_t sect;
+ for (sect = 0; sect != Swap(segment_command->nsects); ++sect) {
+ section *section = §ions[sect];
+ //printf("%s %u %p %p %u\n", segment_command->segname, sect, address, section->addr, section->size);
+ if (address >= Swap(section->addr) && address < Swap(section->addr) + Swap(section->size)) {
+ //printf("0x%.8x %s\n", address, segment_command->segname);
+ return Pointer<Target_>(this, reinterpret_cast<Target_ *>(address - Swap(section->addr) + Swap(section->offset) + (char *) mach_header_));
+ }
+ }
+ }
+
+ next_command:
+ load_command = (struct load_command *) ((char *) load_command + Swap(load_command->cmdsize));
+ }
+
+ return Pointer<Target_>(this);
+ }
+
+ template <typename Target_>
+ Pointer<Target_> GetOffset(uint32_t offset) {
+ return Pointer<Target_>(this, reinterpret_cast<Target_ *>(offset + (uint8_t *) mach_header_));
+ }
+};
+
+template <typename Target_>
+class Pointer {
+ private:
+ const Framework *framework_;
+ const Target_ *pointer_;
+
+ public:
+ Pointer(const Framework *framework = NULL, const Target_ *pointer = NULL) :
+ framework_(framework),
+ pointer_(pointer)
+ {
+ }
+
+ operator const Target_ *() const {
+ return pointer_;
+ }
+
+ const Target_ *operator ->() const {
+ return pointer_;
+ }
+
+ Pointer<Target_> &operator ++() {
+ ++pointer_;
+ return *this;
+ }
+
+ template <typename Value_>
+ Value_ Swap(Value_ value) {
+ return framework_->Swap(value);
+ }