static RemoteSection makeRemoteSection(const PipeMemoryReader *Reader) { uintptr_t Start; size_t Size; PipeMemoryReader_collectBytesFromPipe(Reader, &Start, sizeof(Start)); PipeMemoryReader_collectBytesFromPipe(Reader, &Size, sizeof(Size)); RemoteSection RS = {Start, Size, Start + Size}; return RS; }
static InstanceKind PipeMemoryReader_receiveInstanceKind(const PipeMemoryReader *Reader) { int WriteFD = PipeMemoryReader_getParentWriteFD(Reader); write(WriteFD, REQUEST_INSTANCE_KIND, 2); uint8_t KindValue = 0; PipeMemoryReader_collectBytesFromPipe(Reader, &KindValue, sizeof(KindValue)); return KindValue; }
static uintptr_t PipeMemoryReader_receiveInstanceAddress(const PipeMemoryReader *Reader) { int WriteFD = PipeMemoryReader_getParentWriteFD(Reader); write(WriteFD, REQUEST_INSTANCE_ADDRESS, 2); uintptr_t InstanceAddress = 0; PipeMemoryReader_collectBytesFromPipe(Reader, (uint8_t *)&InstanceAddress, sizeof(InstanceAddress)); return InstanceAddress; }
static void PipeMemoryReader_receiveReflectionInfo(SwiftReflectionContextRef RC, const PipeMemoryReader *Reader) { int WriteFD = PipeMemoryReader_getParentWriteFD(Reader); write(WriteFD, REQUEST_REFLECTION_INFO, 2); size_t NumReflectionInfos; PipeMemoryReader_collectBytesFromPipe(Reader, &NumReflectionInfos, sizeof(NumReflectionInfos)); if (NumReflectionInfos == 0) return; RemoteReflectionInfo *RemoteInfos = calloc(NumReflectionInfos, sizeof(RemoteReflectionInfo)); if (RemoteInfos == NULL) errorAndExit("malloc failed"); for (size_t i = 0; i < NumReflectionInfos; ++i) { RemoteInfos[i] = makeRemoteReflectionInfo( makeRemoteSection(Reader), makeRemoteSection(Reader), makeRemoteSection(Reader), makeRemoteSection(Reader), makeRemoteSection(Reader), makeRemoteSection(Reader)); } // Now pull in the remote sections into our address space. for (size_t i = 0; i < NumReflectionInfos; ++i) { RemoteReflectionInfo RemoteInfo = RemoteInfos[i]; void *Buffer = malloc(RemoteInfo.TotalSize); int Success = PipeMemoryReader_readBytes((void *)Reader, RemoteInfo.StartAddress, Buffer, RemoteInfo.TotalSize); if (!Success) errorAndExit("Couldn't read reflection information"); swift_reflection_info_t Info = { makeLocalSection(Buffer, RemoteInfo.fieldmd, RemoteInfo), makeLocalSection(Buffer, RemoteInfo.assocty, RemoteInfo), makeLocalSection(Buffer, RemoteInfo.builtin, RemoteInfo), makeLocalSection(Buffer, RemoteInfo.capture, RemoteInfo), makeLocalSection(Buffer, RemoteInfo.typeref, RemoteInfo), makeLocalSection(Buffer, RemoteInfo.reflstr, RemoteInfo), /*LocalStartAddress*/ (uintptr_t) Buffer, /*RemoteStartAddress*/ RemoteInfo.StartAddress, }; swift_reflection_addReflectionInfo(RC, Info); } free(RemoteInfos); }
uint64_t PipeMemoryReader_getStringLength(void *Context, swift_addr_t Address) { const PipeMemoryReader *Reader = (const PipeMemoryReader *)Context; int WriteFD = PipeMemoryReader_getParentWriteFD(Reader); uintptr_t TargetAddress = (uintptr_t)Address; write(WriteFD, REQUEST_STRING_LENGTH, 2); write(WriteFD, &TargetAddress, sizeof(TargetAddress)); uintptr_t Length = 0; PipeMemoryReader_collectBytesFromPipe(Reader, &Length, sizeof(Length)); return Length; }
static int PipeMemoryReader_readBytes(void *Context, swift_addr_t Address, void *Dest, uint64_t Size) { const PipeMemoryReader *Reader = (const PipeMemoryReader *)Context; uintptr_t TargetAddress = Address; size_t TargetSize = (size_t)Size; int WriteFD = PipeMemoryReader_getParentWriteFD(Reader); write(WriteFD, REQUEST_READ_BYTES, 2); write(WriteFD, &TargetAddress, sizeof(TargetAddress)); write(WriteFD, &TargetSize, sizeof(size_t)); PipeMemoryReader_collectBytesFromPipe(Reader, Dest, Size); return 1; }
static void PipeMemoryReader_receiveImages(SwiftReflectionContextRef RC, const PipeMemoryReader *Reader) { int WriteFD = PipeMemoryReader_getParentWriteFD(Reader); write(WriteFD, REQUEST_IMAGES, 2); size_t NumReflectionInfos; PipeMemoryReader_collectBytesFromPipe(Reader, &NumReflectionInfos, sizeof(NumReflectionInfos)); if (NumReflectionInfos == 0) return; struct { uintptr_t Start, Size; } *Images; Images = calloc(NumReflectionInfos, sizeof(*Images)); PipeMemoryReader_collectBytesFromPipe(Reader, Images, NumReflectionInfos * sizeof(*Images)); for (size_t i = 0; i < NumReflectionInfos; ++i) { swift_reflection_addImage(RC, Images[i].Start); } free(Images); }
static swift_addr_t PipeMemoryReader_getSymbolAddress(void *Context, const char *SymbolName, uint64_t Length) { const PipeMemoryReader *Reader = (const PipeMemoryReader *)Context; uintptr_t Address = 0; int WriteFD = PipeMemoryReader_getParentWriteFD(Reader); write(WriteFD, REQUEST_SYMBOL_ADDRESS, 2); write(WriteFD, SymbolName, Length); write(WriteFD, "\n", 1); PipeMemoryReader_collectBytesFromPipe(Reader, (uint8_t*)&Address, sizeof(Address)); return (uintptr_t)Address; }
static const void *PipeMemoryReader_readBytes(void *Context, swift_addr_t Address, uint64_t Size, void **outFreeContext) { const PipeMemoryReader *Reader = (const PipeMemoryReader *)Context; uintptr_t TargetAddress = Address; size_t TargetSize = (size_t)Size; int WriteFD = PipeMemoryReader_getParentWriteFD(Reader); write(WriteFD, REQUEST_READ_BYTES, 2); write(WriteFD, &TargetAddress, sizeof(TargetAddress)); write(WriteFD, &TargetSize, sizeof(size_t)); void *Buf = malloc(Size); PipeMemoryReader_collectBytesFromPipe(Reader, Buf, Size); *outFreeContext = NULL; return Buf; }