internal DbiModuleInfo(BitAccess bits, bool readStrings) { bits.ReadInt32(out opened); new DbiSecCon(bits); bits.ReadUInt16(out flags); bits.ReadInt16(out stream); bits.ReadInt32(out cbSyms); bits.ReadInt32(out cbOldLines); bits.ReadInt32(out cbLines); bits.ReadInt16(out files); bits.ReadInt16(out pad1); bits.ReadUInt32(out offsets); bits.ReadInt32(out niSource); bits.ReadInt32(out niCompiler); if (readStrings) { bits.ReadCString(out moduleName); bits.ReadCString(out objectName); } else { bits.SkipCString(out moduleName); bits.SkipCString(out objectName); } bits.Align(4); //if (opened != 0 || pad1 != 0) { // throw new PdbException("Invalid DBI module. "+ // "(opened={0}, pad={1})", opened, pad1); //} }
private void ReadCustomMetadata(BitAccess bits) { int savedPosition = bits.Position; byte version; bits.ReadUInt8(out version); if (version != 4) { throw new PdbDebugException("Unknown custom metadata item version: {0}", version); } byte kind; bits.ReadUInt8(out kind); bits.Align(4); uint numberOfBytesInItem; bits.ReadUInt32(out numberOfBytesInItem); switch (kind) { case 0: this.ReadUsingInfo(bits); break; case 1: this.ReadForwardInfo(bits); break; case 2: break; // this.ReadForwardedToModuleInfo(bits); break; case 3: this.ReadIteratorLocals(bits); break; case 4: this.ReadForwardIterator(bits); break; // TODO: handle unknown custom metadata, 5 & 6 are new with roslyn, see https://roslyn.codeplex.com/workitem/54 } bits.Position = savedPosition + (int)numberOfBytesInItem; }
internal DbiModuleInfo(BitAccess bits, bool readStrings) { bits.ReadInt32(out opened); section = new DbiSecCon(bits); bits.ReadUInt16(out flags); bits.ReadInt16(out stream); bits.ReadInt32(out cbSyms); bits.ReadInt32(out cbOldLines); bits.ReadInt32(out cbLines); bits.ReadInt16(out files); bits.ReadInt16(out pad1); bits.ReadUInt32(out offsets); bits.ReadInt32(out niSource); bits.ReadInt32(out niCompiler); if (readStrings) { bits.ReadCString(out moduleName); bits.ReadCString(out objectName); } else { bits.SkipCString(out moduleName); bits.SkipCString(out objectName); } bits.Align(4); //if (opened != 0 || pad1 != 0) { // throw new PdbException("Invalid DBI module. "+ // "(opened={0}, pad={1})", opened, pad1); //} }
private void ReadCustomMetadata(BitAccess bits) { int savedPosition = bits.Position; byte version; bits.ReadUInt8(out version); byte kind; bits.ReadUInt8(out kind); bits.Align(4); uint numberOfBytesInItem; bits.ReadUInt32(out numberOfBytesInItem); if (version == 4) { switch (kind) { case 0: this.ReadUsingInfo(bits); break; case 1: this.ReadForwardInfo(bits); break; case 2: break; // this.ReadForwardedToModuleInfo(bits); break; case 3: this.ReadIteratorLocals(bits); break; case 4: this.ReadForwardIterator(bits); break; } } bits.Position = savedPosition + (int)numberOfBytesInItem; }
private void ReadCustomMetadata(BitAccess bits) { int savedPosition = bits.Position; byte version; bits.ReadUInt8(out version); if (version != 4) { throw new PdbDebugException("Unknown custom metadata item version: {0}", version); } byte kind; bits.ReadUInt8(out kind); bits.Align(4); uint numberOfBytesInItem; bits.ReadUInt32(out numberOfBytesInItem); switch (kind) { case 0: this.ReadUsingInfo(bits); break; case 1: this.ReadForwardInfo(bits); break; case 2: this.ReadForwardedToModuleInfo(bits); break; case 3: this.ReadIteratorLocals(bits); break; case 4: this.ReadForwardIterator(bits); break; default: throw new PdbDebugException("Unknown custom metadata item kind: {0}", kind); } bits.Position = savedPosition + (int)numberOfBytesInItem; }
private static IntHashTable ReadSourceFileInfo(BitAccess bits, uint limit, IntHashTable names, MsfDirectory dir, Dictionary <string, int> nameIndex, PdbReader reader) { IntHashTable checks = new IntHashTable(); int begin = bits.Position; while (bits.Position < limit) { int sig; int siz; bits.ReadInt32(out sig); bits.ReadInt32(out siz); int place = bits.Position; int endSym = bits.Position + siz; switch ((DEBUG_S_SUBSECTION)sig) { case DEBUG_S_SUBSECTION.FILECHKSMS: while (bits.Position < endSym) { CV_FileCheckSum chk; int ni = bits.Position - place; bits.ReadUInt32(out chk.name); bits.ReadUInt8(out chk.len); bits.ReadUInt8(out chk.type); string name = (string)names[(int)chk.name]; int guidStream; Guid doctypeGuid = DocumentType.Text.ToGuid(); Guid languageGuid = Guid.Empty; Guid vendorGuid = Guid.Empty; Guid checksumAlgoGuid = Guid.Empty; byte[] checksum = null; if (nameIndex.TryGetValue("/SRC/FILES/" + name.ToUpperInvariant(), out guidStream)) { var guidBits = new BitAccess(0x100); dir.streams[guidStream].Read(reader, guidBits); LoadGuidStream(guidBits, out doctypeGuid, out languageGuid, out vendorGuid, out checksumAlgoGuid, out checksum); } PdbSource src = new PdbSource(/*(uint)ni,*/ name, doctypeGuid, languageGuid, vendorGuid, checksumAlgoGuid, checksum); checks.Add(ni, src); bits.Position += chk.len; bits.Align(4); } bits.Position = endSym; break; default: bits.Position = endSym; break; } } return(checks); }
internal void ReadMD2CustomMetadata(BitAccess bits) { byte version; bits.ReadUInt8(out version); if (version == 4) { byte count; bits.ReadUInt8(out count); bits.Align(4); while (count-- > 0) { this.ReadCustomMetadata(bits); } } }
static void LoadManagedLines(PdbFunction[] funcs, IntHashTable names, BitAccess bits, MsfDirectory dir, Dictionary<string, int> nameIndex, PdbReader reader, uint limit) { Array.Sort(funcs, PdbFunction.byAddressAndToken); IntHashTable checks = new IntHashTable(); // Read the files first int begin = bits.Position; while (bits.Position < limit) { int sig; int siz; bits.ReadInt32(out sig); bits.ReadInt32(out siz); int place = bits.Position; int endSym = bits.Position + siz; switch ((DEBUG_S_SUBSECTION)sig) { case DEBUG_S_SUBSECTION.FILECHKSMS: while (bits.Position < endSym) { CV_FileCheckSum chk; int ni = bits.Position - place; bits.ReadUInt32(out chk.name); bits.ReadUInt8(out chk.len); bits.ReadUInt8(out chk.type); string name = (string)names[(int)chk.name]; int guidStream; Guid doctypeGuid = SymDocumentType.Text; Guid languageGuid = Guid.Empty; Guid vendorGuid = Guid.Empty; if (nameIndex.TryGetValue("/SRC/FILES/"+name.ToUpperInvariant(), out guidStream)) { var guidBits = new BitAccess(0x100); dir.streams[guidStream].Read(reader, guidBits); LoadGuidStream(guidBits, out doctypeGuid, out languageGuid, out vendorGuid); } PdbSource src = new PdbSource(/*(uint)ni,*/ name, doctypeGuid, languageGuid, vendorGuid); checks.Add(ni, src); bits.Position += chk.len; bits.Align(4); } bits.Position = endSym; break; default: bits.Position = endSym; break; } } // Read the lines next. bits.Position = begin; while (bits.Position < limit) { int sig; int siz; bits.ReadInt32(out sig); bits.ReadInt32(out siz); int endSym = bits.Position + siz; switch ((DEBUG_S_SUBSECTION)sig) { case DEBUG_S_SUBSECTION.LINES: { CV_LineSection sec; bits.ReadUInt32(out sec.off); bits.ReadUInt16(out sec.sec); bits.ReadUInt16(out sec.flags); bits.ReadUInt32(out sec.cod); int funcIndex = FindFunction(funcs, sec.sec, sec.off); if (funcIndex < 0) break; var func = funcs[funcIndex]; if (func.lines == null) { while (funcIndex > 0) { var f = funcs[funcIndex-1]; if (f.lines != null || f.segment != sec.sec || f.address != sec.off) break; func = f; funcIndex--; } } else { while (funcIndex < funcs.Length-1 && func.lines != null) { var f = funcs[funcIndex+1]; if (f.segment != sec.sec || f.address != sec.off) break; func = f; funcIndex++; } } if (func.lines != null) break; // Count the line blocks. int begSym = bits.Position; int blocks = 0; while (bits.Position < endSym) { CV_SourceFile file; bits.ReadUInt32(out file.index); bits.ReadUInt32(out file.count); bits.ReadUInt32(out file.linsiz); // Size of payload. int linsiz = (int)file.count * (8 + ((sec.flags & 1) != 0 ? 4 : 0)); bits.Position += linsiz; blocks++; } func.lines = new PdbLines[blocks]; int block = 0; bits.Position = begSym; while (bits.Position < endSym) { CV_SourceFile file; bits.ReadUInt32(out file.index); bits.ReadUInt32(out file.count); bits.ReadUInt32(out file.linsiz); // Size of payload. PdbSource src = (PdbSource)checks[(int)file.index]; PdbLines tmp = new PdbLines(src, file.count); func.lines[block++] = tmp; PdbLine[] lines = tmp.lines; int plin = bits.Position; int pcol = bits.Position + 8 * (int)file.count; for (int i = 0; i < file.count; i++) { CV_Line line; CV_Column column = new CV_Column(); bits.Position = plin + 8 * i; bits.ReadUInt32(out line.offset); bits.ReadUInt32(out line.flags); uint lineBegin = line.flags & (uint)CV_Line_Flags.linenumStart; uint delta = (line.flags & (uint)CV_Line_Flags.deltaLineEnd) >> 24; //bool statement = ((line.flags & (uint)CV_Line_Flags.fStatement) == 0); if ((sec.flags & 1) != 0) { bits.Position = pcol + 4 * i; bits.ReadUInt16(out column.offColumnStart); bits.ReadUInt16(out column.offColumnEnd); } lines[i] = new PdbLine(line.offset, lineBegin, column.offColumnStart, lineBegin+delta, column.offColumnEnd); } } break; } } bits.Position = endSym; } }
private void ReadCustomMetadata(BitAccess bits) { int savedPosition = bits.Position; byte version; bits.ReadUInt8(out version); if (version != 4) { throw new PdbDebugException("Unknown custom metadata item version: {0}", version); } byte kind; bits.ReadUInt8(out kind); bits.Align(4); uint numberOfBytesInItem; bits.ReadUInt32(out numberOfBytesInItem); switch (kind) { case 0: this.ReadUsingInfo(bits); break; case 1: this.ReadForwardInfo(bits); break; case 2: this.ReadForwardedToModuleInfo(bits); break; case 3: this.ReadIteratorLocals(bits); break; case 4: this.ReadForwardIterator(bits); break; default: throw new PdbDebugException("Unknown custom metadata item kind: {0}", kind); } bits.Position = savedPosition+(int)numberOfBytesInItem; }
internal PdbFunction(string module, ManProcSym proc, BitAccess bits) { this.token = proc.token; this.module = module; this.name = proc.name; this.flags = proc.flags; this.segment = proc.seg; this.address = proc.off; this.length = proc.len; this.slotToken = 0; if (proc.seg != 1) { throw new PdbDebugException("Segment is {0}, not 1.", proc.seg); } if (proc.parent != 0 || proc.next != 0) { throw new PdbDebugException("Warning parent={0}, next={1}", proc.parent, proc.next); } if (proc.dbgStart != 0 || proc.dbgEnd != 0) { throw new PdbDebugException("Warning DBG start={0}, end={1}", proc.dbgStart, proc.dbgEnd); } int constantCount; int scopeCount; int slotCount; int usedNamespacesCount; CountScopesAndSlots(bits, proc.end, out constantCount, out scopeCount, out slotCount, out usedNamespacesCount); scopes = new PdbScope[scopeCount]; int scope = 0; while (bits.Position < proc.end) { ushort siz; ushort rec; bits.ReadUInt16(out siz); int star = bits.Position; int stop = bits.Position + siz; bits.Position = star; bits.ReadUInt16(out rec); switch ((SYM)rec) { case SYM.S_OEM: { // 0x0404 OemSymbol oem; bits.ReadGuid(out oem.idOem); bits.ReadUInt32(out oem.typind); // internal byte[] rgl; // user data, force 4-byte alignment if (oem.idOem == msilMetaData) { string name = bits.ReadString(); if (name == "MD2") { byte version; bits.ReadUInt8(out version); if (version == 4) { byte count; bits.ReadUInt8(out count); bits.Align(4); while (count-- > 0) { this.ReadCustomMetadata(bits); } } } bits.Position = stop; break; } else { throw new PdbDebugException("OEM section: guid={0} ti={1}", oem.idOem, oem.typind); // bits.Position = stop; } } case SYM.S_BLOCK32: { BlockSym32 block = new BlockSym32(); bits.ReadUInt32(out block.parent); bits.ReadUInt32(out block.end); bits.ReadUInt32(out block.len); bits.ReadUInt32(out this.address); bits.ReadUInt16(out block.seg); bits.SkipCString(out block.name); bits.Position = stop; scopes[scope] = new PdbScope(block, bits, out slotToken); bits.Position = (int)block.end; break; } case SYM.S_UNAMESPACE: bits.Position = stop; break; case SYM.S_END: bits.Position = stop; break; default: { //throw new PdbDebugException("Unknown SYM: {0}", (SYM)rec); bits.Position = stop; break; } } } if (bits.Position != proc.end) { throw new PdbDebugException("Not at S_END"); } ushort esiz; ushort erec; bits.ReadUInt16(out esiz); bits.ReadUInt16(out erec); if (erec != (ushort)SYM.S_END) { throw new PdbDebugException("Missing S_END"); } }
internal PdbFunction(string module, ManProcSym proc, BitAccess bits) { this.Token = proc.token; this.Module = module; this.Name = proc.name; this.Flags = proc.flags; this.Segment = proc.seg; this.Address = proc.off; this.Length = proc.len; this.SlotToken = 0; if (proc.seg != 1) { throw new PdbDebugException("Segment is {0}, not 1.", proc.seg); } if (proc.parent != 0 || proc.next != 0) { throw new PdbDebugException("Warning parent={0}, next={1}", proc.parent, proc.next); } if (proc.dbgStart != 0 || proc.dbgEnd != 0) { throw new PdbDebugException("Warning DBG start={0}, end={1}", proc.dbgStart, proc.dbgEnd); } int constantCount; int scopeCount; int slotCount; int usedNamespacesCount; CountScopesAndSlots(bits, proc.end, out constantCount, out scopeCount, out slotCount, out usedNamespacesCount); this.Scopes = new PdbScope[scopeCount]; const int scope = 0; while (bits.Position < proc.end) { ushort siz; ushort rec; bits.ReadUInt16(out siz); int star = bits.Position; int stop = bits.Position + siz; bits.Position = star; bits.ReadUInt16(out rec); switch ((SYM)rec) { case SYM.S_OEM: { // 0x0404 OemSymbol oem; bits.ReadGuid(out oem.idOem); bits.ReadUInt32(out oem.typind); // internal byte[] rgl; // user data, force 4-byte alignment if (oem.idOem == MsilMetaData) { string name = bits.ReadString(); if (name == "MD2") { byte version; bits.ReadUInt8(out version); if (version == 4) { byte count; bits.ReadUInt8(out count); bits.Align(4); while (count-- > 0) this.ReadCustomMetadata(bits); } } bits.Position = stop; break; } throw new PdbDebugException("OEM section: guid={0} ti={1}", oem.idOem, oem.typind); // bits.Position = stop; } case SYM.S_BLOCK32: { BlockSym32 block = new BlockSym32(); bits.ReadUInt32(out block.parent); bits.ReadUInt32(out block.end); bits.ReadUInt32(out block.len); bits.ReadUInt32(out this.Address); bits.ReadUInt16(out block.seg); bits.SkipCString(out block.name); bits.Position = stop; this.Scopes[scope] = new PdbScope(block, bits, out this.SlotToken); bits.Position = (int)block.end; break; } case SYM.S_UNAMESPACE: bits.Position = stop; break; case SYM.S_END: bits.Position = stop; break; default: { //throw new PdbDebugException("Unknown SYM: {0}", (SYM)rec); bits.Position = stop; break; } } } if (bits.Position != proc.end) { throw new PdbDebugException("Not at S_END"); } ushort esiz; ushort erec; bits.ReadUInt16(out esiz); bits.ReadUInt16(out erec); if (erec != (ushort)SYM.S_END) { throw new PdbDebugException("Missing S_END"); } }
private static IntHashTable ReadSourceFileInfo(BitAccess bits, uint limit, IntHashTable names, MsfDirectory dir, Dictionary <string, int> nameIndex, PdbReader reader) { IntHashTable checks = new IntHashTable(); int begin = bits.Position; while (bits.Position < limit) { int sig; int siz; bits.ReadInt32(out sig); bits.ReadInt32(out siz); int place = bits.Position; int endSym = bits.Position + siz; switch ((DEBUG_S_SUBSECTION)sig) { case DEBUG_S_SUBSECTION.FILECHKSMS: while (bits.Position < endSym) { CV_FileCheckSum chk; int ni = bits.Position - place; bits.ReadUInt32(out chk.name); bits.ReadUInt8(out chk.len); bits.ReadUInt8(out chk.type); string name = (string)names[(int)chk.name]; int guidStream; #if !NET_CORE Guid doctypeGuid = SymDocumentType.Text; #else // Note : netstandard1.6 doesn't support SymDocumentType. Looks like it might be in netstandard2.0, but that // is not coming out for a few months still. Looking at our mono, SymDocumentType.Text simply returns and empty Guid // so let's just go with that Guid doctypeGuid = Guid.Empty; #endif Guid languageGuid = Guid.Empty; Guid vendorGuid = Guid.Empty; if (nameIndex.TryGetValue("/SRC/FILES/" + name.ToUpperInvariant(), out guidStream)) { var guidBits = new BitAccess(0x100); dir.streams[guidStream].Read(reader, guidBits); LoadGuidStream(guidBits, out doctypeGuid, out languageGuid, out vendorGuid); } PdbSource src = new PdbSource(/*(uint)ni,*/ name, doctypeGuid, languageGuid, vendorGuid); checks.Add(ni, src); bits.Position += chk.len; bits.Align(4); } bits.Position = endSym; break; default: bits.Position = endSym; break; } } return(checks); }
internal PdbFunction(/*string module, */ ManProcSym proc, BitAccess bits, System.Compiler.Metadata.Reader reader) { this.token = proc.token; this.unmappedToken = proc.token; //this.module = module; this.name = proc.name; //this.flags = proc.flags; this.segment = proc.seg; this.address = proc.off; //this.length = proc.len; if (proc.seg != 1) { throw new PdbDebugException("Segment is {0}, not 1.", proc.seg); } if (proc.parent != 0 || proc.next != 0) { throw new PdbDebugException("Warning parent={0}, next={1}", proc.parent, proc.next); } //if (proc.dbgStart != 0 || proc.dbgEnd != 0) { // throw new PdbDebugException("Warning DBG start={0}, end={1}", // proc.dbgStart, proc.dbgEnd); //} int constantCount; int scopeCount; int slotCount; int usedNamespacesCount; CountScopesAndSlots(bits, proc.end, out constantCount, out scopeCount, out slotCount, out usedNamespacesCount); int scope = constantCount > 0 || slotCount > 0 || usedNamespacesCount > 0 ? 1 : 0; int slot = 0; int constant = 0; int usedNs = 0; scopes = new PdbScope[scopeCount + scope]; slots = new PdbSlot[slotCount]; constants = new PdbConstant[constantCount]; usedNamespaces = new string[usedNamespacesCount]; if (scope > 0) { scopes[0] = new PdbScope(this.address, proc.len, slots, constants, usedNamespaces); } while (bits.Position < proc.end) { ushort siz; ushort rec; bits.ReadUInt16(out siz); int star = bits.Position; int stop = bits.Position + siz; bits.Position = star; bits.ReadUInt16(out rec); switch ((SYM)rec) { case SYM.S_OEM: { // 0x0404 OemSymbol oem; bits.ReadGuid(out oem.idOem); bits.ReadUInt32(out oem.typind); // internal byte[] rgl; // user data, force 4-byte alignment if (oem.idOem == msilMetaData) { string name = bits.ReadString(); if (name == "MD2") { byte version; bits.ReadUInt8(out version); if (version == 4) { byte count; bits.ReadUInt8(out count); bits.Align(4); while (count-- > 0) { this.ReadCustomMetadata(bits); } } } else if (name == "asyncMethodInfo") { this.synchronizationInformation = new PdbSynchronizationInformation(method, bits, reader); } bits.Position = stop; break; } else { throw new PdbDebugException("OEM section: guid={0} ti={1}", oem.idOem, oem.typind); // bits.Position = stop; } } case SYM.S_BLOCK32: { BlockSym32 block = new BlockSym32(); bits.ReadUInt32(out block.parent); bits.ReadUInt32(out block.end); bits.ReadUInt32(out block.len); bits.ReadUInt32(out block.off); bits.ReadUInt16(out block.seg); bits.SkipCString(out block.name); bits.Position = stop; scopes[scope++] = new PdbScope(this.address, block, bits, out slotToken); bits.Position = (int)block.end; break; } case SYM.S_MANSLOT: slots[slot++] = new PdbSlot(bits); bits.Position = stop; break; case SYM.S_MANCONSTANT: constants[constant++] = new PdbConstant(bits); bits.Position = stop; break; case SYM.S_UNAMESPACE: bits.ReadCString(out usedNamespaces[usedNs++]); bits.Position = stop; break; case SYM.S_END: bits.Position = stop; break; default: { //throw new PdbDebugException("Unknown SYM: {0}", (SYM)rec); bits.Position = stop; break; } } } if (bits.Position != proc.end) { throw new PdbDebugException("Not at S_END"); } ushort esiz; ushort erec; bits.ReadUInt16(out esiz); bits.ReadUInt16(out erec); if (erec != (ushort)SYM.S_END) { throw new PdbDebugException("Missing S_END"); } }
internal PdbFunction(/*string module, */ManProcSym proc, BitAccess bits) { this.token = proc.token; //this.module = module; //this.name = proc.name; //this.flags = proc.flags; this.segment = proc.seg; this.address = proc.off; //this.length = proc.len; if (proc.seg != 1) { throw new PdbDebugException("Segment is {0}, not 1.", proc.seg); } if (proc.parent != 0 || proc.next != 0) { throw new PdbDebugException("Warning parent={0}, next={1}", proc.parent, proc.next); } //if (proc.dbgStart != 0 || proc.dbgEnd != 0) { // throw new PdbDebugException("Warning DBG start={0}, end={1}", // proc.dbgStart, proc.dbgEnd); //} int constantCount; int scopeCount; int slotCount; int usedNamespacesCount; CountScopesAndSlots(bits, proc.end, out constantCount, out scopeCount, out slotCount, out usedNamespacesCount); int scope = constantCount > 0 || slotCount > 0 || usedNamespacesCount > 0 ? 1 : 0; int slot = 0; int constant = 0; int usedNs = 0; scopes = new PdbScope[scopeCount+scope]; slots = new PdbSlot[slotCount]; constants = new PdbConstant[constantCount]; usedNamespaces = new string[usedNamespacesCount]; if (scope > 0) scopes[0] = new PdbScope(this.address, proc.len, slots, constants, usedNamespaces); while (bits.Position < proc.end) { ushort siz; ushort rec; bits.ReadUInt16(out siz); int star = bits.Position; int stop = bits.Position + siz; bits.Position = star; bits.ReadUInt16(out rec); switch ((SYM)rec) { case SYM.S_OEM: { // 0x0404 OemSymbol oem; bits.ReadGuid(out oem.idOem); bits.ReadUInt32(out oem.typind); // internal byte[] rgl; // user data, force 4-byte alignment if (oem.idOem == msilMetaData) { string name = bits.ReadString(); if (name == "MD2") { byte version; bits.ReadUInt8(out version); if (version == 4) { byte count; bits.ReadUInt8(out count); bits.Align(4); while (count-- > 0) this.ReadCustomMetadata(bits); } } else if (name == "asyncMethodInfo") { this.synchronizationInformation = new PdbSynchronizationInformation(bits); } bits.Position = stop; break; } else { throw new PdbDebugException("OEM section: guid={0} ti={1}", oem.idOem, oem.typind); // bits.Position = stop; } } case SYM.S_BLOCK32: { BlockSym32 block = new BlockSym32(); bits.ReadUInt32(out block.parent); bits.ReadUInt32(out block.end); bits.ReadUInt32(out block.len); bits.ReadUInt32(out block.off); bits.ReadUInt16(out block.seg); bits.SkipCString(out block.name); bits.Position = stop; scopes[scope++] = new PdbScope(this.address, block, bits, out slotToken); bits.Position = (int)block.end; break; } case SYM.S_MANSLOT: slots[slot++] = new PdbSlot(bits); bits.Position = stop; break; case SYM.S_MANCONSTANT: constants[constant++] = new PdbConstant(bits); bits.Position = stop; break; case SYM.S_UNAMESPACE: bits.ReadCString(out usedNamespaces[usedNs++]); bits.Position = stop; break; case SYM.S_END: bits.Position = stop; break; default: { //throw new PdbDebugException("Unknown SYM: {0}", (SYM)rec); bits.Position = stop; break; } } } if (bits.Position != proc.end) { throw new PdbDebugException("Not at S_END"); } ushort esiz; ushort erec; bits.ReadUInt16(out esiz); bits.ReadUInt16(out erec); if (erec != (ushort)SYM.S_END) { throw new PdbDebugException("Missing S_END"); } }
private void ReadCustomMetadata(BitAccess bits) { int savedPosition = bits.Position; byte version; bits.ReadUInt8(out version); if (version != 4) { throw new PdbDebugException("Unknown custom metadata item version: {0}", version); } byte kind; bits.ReadUInt8(out kind); bits.Align(4); uint numberOfBytesInItem; bits.ReadUInt32(out numberOfBytesInItem); switch (kind) { case 0: this.ReadUsingInfo(bits); break; case 1: this.ReadForwardInfo(bits); break; case 2: break; // this.ReadForwardedToModuleInfo(bits); break; case 3: this.ReadIteratorLocals(bits); break; case 4: this.ReadForwardIterator(bits); break; // TODO: handle unknown custom metadata, 5 & 6 are new with roslyn, see https://roslyn.codeplex.com/workitem/54 } bits.Position = savedPosition+(int)numberOfBytesInItem; }
static void LoadManagedLines(PdbFunction[] funcs, IntHashTable names, BitAccess bits, MsfDirectory dir, Dictionary <string, int> nameIndex, PdbReader reader, uint limit) { Array.Sort(funcs, PdbFunction.byAddress); IntHashTable checks = new IntHashTable(); // Read the files first int begin = bits.Position; while (bits.Position < limit) { int sig; int siz; bits.ReadInt32(out sig); bits.ReadInt32(out siz); int place = bits.Position; int endSym = bits.Position + siz; switch ((DEBUG_S_SUBSECTION)sig) { case DEBUG_S_SUBSECTION.FILECHKSMS: while (bits.Position < endSym) { CV_FileCheckSum chk; int ni = bits.Position - place; bits.ReadUInt32(out chk.name); bits.ReadUInt8(out chk.len); bits.ReadUInt8(out chk.type); string name = (string)names[(int)chk.name]; int guidStream; Guid doctypeGuid = SymDocumentType.Text; Guid languageGuid = SymLanguageType.CSharp; Guid vendorGuid = SymLanguageVendor.Microsoft; if (nameIndex.TryGetValue("/src/files/" + name, out guidStream)) { var guidBits = new BitAccess(0x100); dir.streams[guidStream].Read(reader, guidBits); LoadGuidStream(guidBits, out doctypeGuid, out languageGuid, out vendorGuid); } PdbSource src = new PdbSource((uint)ni, name, doctypeGuid, languageGuid, vendorGuid); checks.Add(ni, src); bits.Position += chk.len; bits.Align(4); } bits.Position = endSym; break; default: bits.Position = endSym; break; } } // Read the lines next. bits.Position = begin; while (bits.Position < limit) { int sig; int siz; bits.ReadInt32(out sig); bits.ReadInt32(out siz); int endSym = bits.Position + siz; switch ((DEBUG_S_SUBSECTION)sig) { case DEBUG_S_SUBSECTION.LINES: { CV_LineSection sec; bits.ReadUInt32(out sec.off); bits.ReadUInt16(out sec.sec); bits.ReadUInt16(out sec.flags); bits.ReadUInt32(out sec.cod); PdbFunction func = FindFunction(funcs, sec.sec, sec.off); if (func == null) { break; } // Count the line blocks. int begSym = bits.Position; int blocks = 0; while (bits.Position < endSym) { CV_SourceFile file; bits.ReadUInt32(out file.index); bits.ReadUInt32(out file.count); bits.ReadUInt32(out file.linsiz); // Size of payload. int linsiz = (int)file.count * (8 + ((sec.flags & 1) != 0 ? 4 : 0)); bits.Position += linsiz; blocks++; } func.lines = new PdbLines[blocks]; int block = 0; bits.Position = begSym; while (bits.Position < endSym) { CV_SourceFile file; bits.ReadUInt32(out file.index); bits.ReadUInt32(out file.count); bits.ReadUInt32(out file.linsiz); // Size of payload. PdbSource src = (PdbSource)checks[(int)file.index]; PdbLines tmp = new PdbLines(src, file.count); func.lines[block++] = tmp; PdbLine[] lines = tmp.lines; int plin = bits.Position; int pcol = bits.Position + 8 * (int)file.count; for (int i = 0; i < file.count; i++) { CV_Line line; CV_Column column = new CV_Column(); bits.Position = plin + 8 * i; bits.ReadUInt32(out line.offset); bits.ReadUInt32(out line.flags); uint lineBegin = line.flags & (uint)CV_Line_Flags.linenumStart; uint delta = (line.flags & (uint)CV_Line_Flags.deltaLineEnd) >> 24; bool statement = ((line.flags & (uint)CV_Line_Flags.fStatement) == 0); if ((sec.flags & 1) != 0) { bits.Position = pcol + 4 * i; bits.ReadUInt16(out column.offColumnStart); bits.ReadUInt16(out column.offColumnEnd); } lines[i] = new PdbLine(line.offset, lineBegin, column.offColumnStart, lineBegin + delta, column.offColumnEnd); } } break; } } bits.Position = endSym; } }
private static IntHashTable ReadSourceFileInfo(BitAccess bits, uint limit, IntHashTable names, MsfDirectory dir, Dictionary<string, int> nameIndex, PdbReader reader) { IntHashTable checks = new IntHashTable(); int begin = bits.Position; while (bits.Position < limit) { int sig; int siz; bits.ReadInt32(out sig); bits.ReadInt32(out siz); int place = bits.Position; int endSym = bits.Position + siz; switch ((DEBUG_S_SUBSECTION)sig) { case DEBUG_S_SUBSECTION.FILECHKSMS: while (bits.Position < endSym) { CV_FileCheckSum chk; int ni = bits.Position - place; bits.ReadUInt32(out chk.name); bits.ReadUInt8(out chk.len); bits.ReadUInt8(out chk.type); string name = (string)names[(int)chk.name]; int guidStream; Guid doctypeGuid = SymDocumentType.Text; Guid languageGuid = Guid.Empty; Guid vendorGuid = Guid.Empty; if (nameIndex.TryGetValue("/SRC/FILES/"+name.ToUpperInvariant(), out guidStream)) { var guidBits = new BitAccess(0x100); dir.streams[guidStream].Read(reader, guidBits); LoadGuidStream(guidBits, out doctypeGuid, out languageGuid, out vendorGuid); } PdbSource src = new PdbSource(/*(uint)ni,*/ name, doctypeGuid, languageGuid, vendorGuid); checks.Add(ni, src); bits.Position += chk.len; bits.Align(4); } bits.Position = endSym; break; default: bits.Position = endSym; break; } } return checks; }
private static IntHashTable ReadSourceFileInfo(BitAccess bits, uint limit, IntHashTable names, MsfDirectory dir, Dictionary<string, int> nameIndex, PdbReader reader) { IntHashTable checks = new IntHashTable(); int begin = bits.Position; while (bits.Position < limit) { int sig; int siz; bits.ReadInt32(out sig); bits.ReadInt32(out siz); int place = bits.Position; int endSym = bits.Position + siz; switch ((DEBUG_S_SUBSECTION)sig) { case DEBUG_S_SUBSECTION.FILECHKSMS: while (bits.Position < endSym) { CV_FileCheckSum chk; int ni = bits.Position - place; bits.ReadUInt32(out chk.name); bits.ReadUInt8(out chk.len); bits.ReadUInt8(out chk.type); string name = (string)names[(int)chk.name]; int guidStream; #if !NET_CORE Guid doctypeGuid = SymDocumentType.Text; #else // Note : netstandard1.6 doesn't support SymDocumentType. Looks like it might be in netstandard2.0, but that // is not coming out for a few months still. Looking at our mono, SymDocumentType.Text simply returns and empty Guid // so let's just go with that Guid doctypeGuid = Guid.Empty; #endif Guid languageGuid = Guid.Empty; Guid vendorGuid = Guid.Empty; if (nameIndex.TryGetValue("/SRC/FILES/"+name.ToUpperInvariant(), out guidStream)) { var guidBits = new BitAccess(0x100); dir.streams[guidStream].Read(reader, guidBits); LoadGuidStream(guidBits, out doctypeGuid, out languageGuid, out vendorGuid); } PdbSource src = new PdbSource(/*(uint)ni,*/ name, doctypeGuid, languageGuid, vendorGuid); checks.Add(ni, src); bits.Position += chk.len; bits.Align(4); } bits.Position = endSym; break; default: bits.Position = endSym; break; } } return checks; }