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010 editor template - AR .a, .lib, .ar, .deb with Microsoft / Visual Studio (MSVC) specific parsing
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| //------------------------------------------------ | |
| //--- 010 Editor v11.0 Binary Template | |
| // | |
| // File: AR.bt | |
| // Authors: SweetScape Software + Albert Huang (GitHub @alberthdev) | |
| // Version: 1.1 | |
| // Purpose: Parse ar archives used for .a, .lib, | |
| // .ar and .deb files. | |
| // Category: Archive | |
| // File Mask: *.a,*.lib,*.ar,*.deb | |
| // ID Bytes: 21 3C 61 72 63 68 3E 0A //!<arch>\n | |
| // History: | |
| // 1.1 2021-10-05 Albert Huang: Support for MSVC specific structures + LUTs. | |
| // 1.0 2020-10-23 SweetScape Software: Initial version. | |
| //------------------------------------------------ | |
| // MSFT shenanigans | |
| local int isMsft = 0; | |
| typedef struct { | |
| char name[]; | |
| } nullTermString <read=ReadNullTermString>; | |
| string ReadNullTermString( struct nullTermString &f ) | |
| { | |
| return f.name; | |
| } | |
| typedef struct { | |
| BigEndian(); | |
| ulong numSymbols; | |
| ulong symOffsets[numSymbols]; | |
| LittleEndian(); | |
| nullTermString symbols[numSymbols] <optimize=false>; | |
| } ar_msft_first_archive_linker_member; | |
| typedef struct { | |
| ulong numMembers; | |
| ulong memberOffsets[numMembers]; | |
| ulong numSymbols; | |
| short symOffsets[numSymbols]; | |
| nullTermString publicSymbols[numSymbols] <optimize=false>; | |
| } ar_msft_second_archive_linker_member; | |
| local int readingSecond = 0; | |
| local int64 longNamesOffset = 0; | |
| local int64 longNamesSize = 0; | |
| local int64 longNameReqIdx = 0; | |
| string getLongNameByIdx(int64 idx) { | |
| local int64 curIdx = 0; | |
| local int64 parsedSize = longNamesSize; | |
| local string longName = ReadString(longNamesOffset + (longNamesSize - parsedSize)); | |
| while ((parsedSize > 0) && (curIdx <= idx)) { | |
| longName = ReadString(longNamesOffset + (longNamesSize - parsedSize)); | |
| parsedSize -= (Strlen(longName) + 1); | |
| curIdx++; | |
| } | |
| return longName; | |
| } | |
| // File record | |
| typedef struct { | |
| // Define header | |
| SetBackColor( cLtYellow ); | |
| char fileName[16]; | |
| char modification_timestamp[12]; | |
| char ownerID[6]; | |
| char groupID[6]; | |
| char fileMode[8]; | |
| char fileSize[10]; | |
| char endMarker[2]; | |
| SetBackColor( cNone ); | |
| // Define file data | |
| if( endMarker == "\x60\x0a" ) | |
| { | |
| local int64 size; | |
| SScanf( fileSize, "%Ld", size ); | |
| if ((fileName == "/ ") && (size > 0)) { | |
| isMsft = 1; | |
| if (readingSecond == 0) { | |
| ar_msft_first_archive_linker_member member; | |
| readingSecond = 1; | |
| } else { | |
| ar_msft_second_archive_linker_member member; | |
| } | |
| } else if ((fileName == "// ") && (size > 0)) { | |
| local int64 parsedSize = size; | |
| local int64 numLongNames = 0; | |
| local string longName = ""; | |
| longNamesSize = size; | |
| longNamesOffset = FTell(); | |
| while (parsedSize > 0) { | |
| longName = ReadString(longNamesOffset + (size - parsedSize)); | |
| parsedSize -= (Strlen(longName) + 1); | |
| numLongNames++; | |
| } | |
| if( size & 1 ) numLongNames--; | |
| nullTermString longNames[numLongNames] <optimize=false>; | |
| } else { | |
| local int matchLongNameReqd = RegExMatch(fileName, "/\\d+\\s+"); | |
| if ((matchLongNameReqd == 1) && (size > 0)) { | |
| local int64 usinglongNameIdx = longNameReqIdx; | |
| longNameReqIdx++; | |
| local string realFilename = getLongNameByIdx(usinglongNameIdx); | |
| } | |
| if( size > 0 ) | |
| uchar data[size]; | |
| } | |
| // Add padding byte | |
| if( size & 1 ) | |
| uchar padding <bgcolor=cLtGray>; | |
| } | |
| } ar_file <read=ReadArFile>; | |
| // Display filename beside ar_file struct | |
| string ReadArFile( struct ar_file &f ) | |
| { | |
| if (isMsft) { | |
| if (f.fileName == "/ ") { | |
| return "MSFT Archive Linker Member"; | |
| } else if (f.fileName == "// ") { | |
| return "MSFT Long Names"; | |
| } else if (exists(f.matchLongNameReqd) && (f.matchLongNameReqd == 1)) { | |
| return f.realFilename + " size=" + f.fileSize + " (using long name; real name: " + f.fileName + ")"; | |
| } else { | |
| // trim trailing slash | |
| local string fileNameWithoutSlash = ""; | |
| Strcpy(fileNameWithoutSlash, f.fileName); | |
| fileNameWithoutSlash = StrDel(fileNameWithoutSlash, Strchr(fileNameWithoutSlash, '/'), 1); | |
| return fileNameWithoutSlash + " ns size=" + f.fileSize; | |
| } | |
| } | |
| return f.fileName + " size=" + f.fileSize; | |
| } | |
| // Read the file signature | |
| char signature[8] <bgcolor=cLtPurple>; | |
| if( signature != "!<arch>\n" ) | |
| { | |
| Warning( "File is not a valid archive. Template stopped." ); | |
| return -1; | |
| } | |
| // Read file records | |
| while( !FEof() ) | |
| { | |
| ar_file file; | |
| } |
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