1*ef01931fSBen Gras 2*ef01931fSBen Gras#------------------------------------------------------------------------------ 3*ef01931fSBen Gras# gcc: file(1) magic for GCC special files 4*ef01931fSBen Gras# 5*ef01931fSBen Gras0 string gpch GCC precompiled header 6*ef01931fSBen Gras 7*ef01931fSBen Gras# The version field is annoying. It's 3 characters, not zero-terminated. 8*ef01931fSBen Gras>5 byte x (version %c 9*ef01931fSBen Gras>6 byte x \b%c 10*ef01931fSBen Gras>7 byte x \b%c) 11*ef01931fSBen Gras 12*ef01931fSBen Gras# 67 = 'C', 111 = 'o', 43 = '+', 79 = 'O' 13*ef01931fSBen Gras>4 byte 67 for C 14*ef01931fSBen Gras>4 byte 111 for Objective C 15*ef01931fSBen Gras>4 byte 43 for C++ 16*ef01931fSBen Gras>4 byte 79 for Objective C++ 17