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Diffstat (limited to 'contrib/file/magic/Magdir/coff')
| -rw-r--r-- | contrib/file/magic/Magdir/coff | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/contrib/file/magic/Magdir/coff b/contrib/file/magic/Magdir/coff new file mode 100644 index 000000000000..d42b9ebeec7a --- /dev/null +++ b/contrib/file/magic/Magdir/coff @@ -0,0 +1,217 @@ + +#------------------------------------------------------------------------------ +# $File: coff,v 1.15 2024/11/10 18:54:33 christos Exp $ +# coff: file(1) magic for Common Object Files not specific to known cpu types or manufactures +# +# COFF +# +# by Joerg Jenderek at Oct 2015, Feb 2021, Mar 2024 +# https://en.wikipedia.org/wiki/COFF +# https://de.wikipedia.org/wiki/Common_Object_File_Format +# http://www.delorie.com/djgpp/doc/coff/filhdr.html +# https://learn.microsoft.com/en-us/windows/win32/debug/pe-format#coff-file-header-object-and-image +# https://formats.kaitai.io/uefi_te/index.html + +# Display COFF processor type, including MS COFF and PE/COFF +0 name display-coff-processor +# PE/COFF, DJGPP, i386 COFF executable, MS Windows COFF Intel i386 object file (./intel) +>0 uleshort 0x014c Intel i386 +>0 uleshort 0x014d Intel i860 +>0 uleshort 0x0160 MIPS R3000 (big-endian) +>0 uleshort 0x0162 MIPS R3000 +>0 uleshort 0x0166 MIPS R4000 +>0 uleshort 0x0168 MIPS R10000 +>0 uleshort 0x0169 MIPS WCE v2 +>0 uleshort 0x0184 Alpha 32-bit +>0 uleshort 0x01a2 Hitachi SH3 +>0 uleshort 0x01a3 Hitachi SH3 DSP +>0 uleshort 0x01a4 Hitachi SH4E +>0 uleshort 0x01a6 Hitachi SH4 +>0 uleshort 0x01a8 Hitachi SH5 +>0 uleshort 0x01c0 ARMv4 +>0 uleshort 0x01c2 ARMv4T +>0 uleshort 0x01c4 ARMv7 +>0 uleshort 0x01d3 Matsushita AM33 +# executable (RISC System/6000 V3.1) or obj module (./ibm6000 v 1.15), not PE/COFF +>0 uleshort 0x01df RISC System/6000 +>0 uleshort 0x01f0 PowerPC 32-bit (little-endian) +>0 uleshort 0x01f1 PowerPC 32-bit with FPU (little-endian) +>0 uleshort 0x01f2 PowerPC 64-bit (big-endian) +>0 uleshort 0x0200 Intel Itanium +>0 uleshort 0x0266 MIPS16 +>0 uleshort 0x0268 Motorola 68000 +>0 uleshort 0x0284 Alpha 64-bit +>0 uleshort 0x0290 PA-RISC +>0 uleshort 0x0366 MIPS with FPU +>0 uleshort 0x0466 MIPS16 with FPU +# Hitachi SH big-endian COFF (./hitachi-sh), not PE/COFF +>0 uleshort 0x0500 Hitachi SH (big-endian) +>0 uleshort 0x0520 Tricore +# Hitachi SH little-endian COFF (./hitachi-sh), not PE/COFF +>0 uleshort 0x0550 Hitachi SH (little-endian) +>0 uleshort 0x0601 PowerPC 32-bit (big-endian) +# Windows CE 3.0 Common Executable Format, created by linkcef.exe with /MACHINE:CEF flag +# https://web.archive.org/web/20000819035046/http://microsoft.com/windows/embedded/ce/downloads/cef.asp +# https://web.archive.org/web/20000914080342/http://microsoft.com/windows/embedded/ce/developer/applications/appdevelopment/cef2.asp +# https://web.archive.org/web/20021022055906/http://msdn.microsoft.com/library/en-us/dnce30/html/cef2.asp +>0 uleshort 0x0cef Common Executable Format +>0 uleshort 0x0ebc EFI byte code +>0 uleshort 0x3a64 ARM64 (i386 ABI) +>0 uleshort 0x5032 RISC-V 32-bit +>0 uleshort 0x5064 RISC-V 64-bit +>0 uleshort 0x5128 RISC-V 128-bit +>0 uleshort 0x6232 LoongArch 32-bit +>0 uleshort 0x6264 LoongArch 64-bit +>0 uleshort 0x8664 x86-64 +>0 uleshort 0x9041 Mitsubishi M32R +>0 uleshort 0xa641 ARM64 (x86-64 ABI) +>0 uleshort 0xa64e ARM64 (classic + x86-64 ABI) +# PE/COFF ARM64 classic ABI, ARM COFF (./arm) +>0 uleshort 0xaa64 ARM64 +>0 uleshort 0xace1 OMNI VM (omniprox.dll) +# Processor type CEE can be only in object files (created by older ilasm.exe with /OBJECT flag), not in PE executables +>0 uleshort 0xc0ee COM+ Execution Engine +>0 default x Unknown processor +>>0 uleshort x 0x%04x + +# display name+variables+flags of Common Object Files Format (32bit) +# Maybe used also in adi,att3b,clipper,hitachi-sh,hp,ibm6000,intel, +# mips,motorola,msdos,osf1,sharc,varied.out,vax +0 name display-coff +# test for unused flag bits (0x8000,x0080) in f_flags +# flag bits (0x0800,0x0400,0x0200) now seems to be used in RISC System/6000 V3.1 +>18 uleshort&0x8080 0 +# skip DOCTOR.DAILY READER.NDA REDBOX.ROOT by looking for positive number of sections +>>2 uleshort >0 +# skip ega80woa.fnt svgafix.fnt HP3FNTS1.DAT HP3FNTS2.DAT INTRO.ACT LEARN.PIF by looking for low number of sections +>>>2 uleshort <4207 +# f_magic - magic number +>>>>0 use display-coff-processor +>>>>0 uleshort x COFF +# F_EXEC flag bit +>>>>18 leshort ^0x0002 object file +!:mime application/x-coff +!:ext o/obj/lib +# no cof sample found +#!:ext cof/o/obj/lib +>>>>18 leshort &0x0002 executable +#!:mime application/x-coffexec +!:mime application/x-coff-executable +# typically no file name suffix for executables +!:ext / +# F_RELFLG flag bit,static object +>>>>18 leshort &0x0001 \b, no relocation info +# F_LNNO flag bit +>>>>18 leshort &0x0004 \b, no line number info +# F_LSYMS flag bit +>>>>18 leshort &0x0008 \b, stripped +>>>>18 leshort ^0x0008 \b, not stripped +# flags in other COFF versions +#0x0010 F_FDPR_PROF +#0x0020 F_FDPR_OPTI +#0x0040 F_DSA +# F_AR32WR flag bit +#>>>>18 leshort &0x0100 \b, 32 bit little endian +#0x1000 F_DYNLOAD +#0x2000 F_SHROBJ +#0x4000 F_LOADONLY +# f_nscns - number of sections like: 1 2 3 4 5 7 8 9 11 12 15 16 19 20 21 22 26 30 36 40 42 56 80 89 96 124 +>>>>2 uleshort <2 \b, %u section +>>>>2 uleshort >1 \b, %u sections +# f_symptr - symbol table pointer, only for not stripped +# like: 0 0x7c 0xf4 0x104 0x182 0x1c2 0x1c6 0x468 0x948 0x416e 0x149a6 0x1c9d8 0x23a68 0x35120 0x7afa0 +>>>>8 ulelong >0 \b, symbol offset=%#x +# f_nsyms - number of symbols, only for not stripped +# like: 0 2 7 9 10 11 20 35 41 63 71 80 105 146 153 158 170 208 294 572 831 1546 +>>>>12 ulelong >0 \b, %d symbols +# f_opthdr - optional header size. An object file should have a value of 0 +# like: 72 (IBM\HH\HYPERHLP) +>>>>16 uleshort >0 \b, optional header size %u +# f_timdat - file time & date stamp +>>>>4 ledate >0 \b, created %s +# at offset 20 can be optional header, extra bytes FILHSZ-20 because +# do not rely on sizeof(FILHDR) to give the correct size for header. +# or first section header +# additional variables for other COFF files +>>>>16 uleshort =0 +# most section names start with point character except samples created by "exotic" compilers +# first section name s_name[8] like: .text .data .debug$S .drectve .testseg .rsrc .rsrc$01 .pad +>>>>>(16.s+20) string x \b, 1st section name "%.8s" +# physical address s_paddr like: 0 +#>>>>>(16.s+28) lelong !0 \b, s_paddr %#8.8x +# virtual address s_vaddr like: 0 +#>>>>>(16.s+32) lelong !0 \b, s_vaddr %#8.8x +# section size s_size +#>>>>>(16.s+36) lelong x \b, s_size %#8.8x +# file ptr to raw data for section s_scnpt +#>>>>>(16.s+40) lelong x \b, s_scnpt %#8.8x +# file ptr to relocation s_relptr like: 0 +#>>>>>(16.s+44) lelong !0 \b, s_relptr %#8.8x +# file ptr to gp histogram s_lnnoptr like: 0 +#>>>>>(16.s+48) lelong !0 \b, s_lnnoptr %#8.8x +# number of relocation entries s_nreloc like: 0 1 2 5 6 8 19h 26h 27h 38h 50h 5Fh 89h Dh 1Ch 69h A9h 1DCh 651h +#>>>>>(16.s+52) uleshort x \b, s_nreloc %#4.4x +# number of gp histogram entries s_nlnno like: 0 +#>>>>>(16.s+54) uleshort !0 \b, s_nlnno %#4.4x +# flags s_flags +#>>>>>(16.s+56) lelong x \b, s_flags %#8.8x +# second section name s_name[8] like: .bss .data .debug$S .rsrc$01 +>>>>2 uleshort >1 +>>>>>(16.s+60) string x \b, 2nd section name "%.8s" +# >20 beshort 0407 (impure) +# >20 beshort 0410 (pure) +# >20 beshort 0413 (demand paged) +# >20 beshort 0421 (standalone) +# >22 leshort >0 - version %d +# >168 string .lowmem Apple toolbox + +# PowerPC COFF object file or executable +0 leshort 0x01f0 +>16 leshort 0 +>>0 use display-coff +# can be created by: LINK.EXE /MACHINE:powerpc /ROM +>16 leshort !0 +>>18 leshort &0x0002 +>>>20 leshort 0x010b +>>>>0 use display-coff +0 leshort 0x01f1 +>16 leshort 0 +>>0 use display-coff +0 leshort 0x01f2 +>16 leshort 0 +>>0 use display-coff +0 leshort 0x0601 +>16 leshort 0 +>>0 use display-coff +# can be created by: LINK.EXE /MACHINE:MPPC /ROM +>16 leshort !0 +>>18 leshort &0x0002 +>>>20 leshort 0x010b +>>>>0 use display-coff + +0 name display-subsystem +>0 ubyte 0 unknown +>0 ubyte 1 native +>0 ubyte 2 windows_gui +>0 ubyte 3 windows_cui +>0 ubyte 7 posix_cui +>0 ubyte 9 windows_ce_gui +>0 ubyte 10 efi_application +>0 ubyte 11 efi_boot_service_driver +>0 ubyte 12 efi_runtime_driver +>0 ubyte 13 efi_rom +>0 ubyte 14 xbox +>0 ubyte 16 windows_boot-application +>0 default x Unknown subsystem +>>0 ubyte x %#x + + +# https://formats.kaitai.io/uefi_te/index.html +0 string VZ TE (Terse Executable) file +>2 use display-coff-processor +>4 byte x \b, sections %d +>5 use display-subsystem +>6 uleshort x \b, stripped-size %u +>8 ulelong x \b, entry %#x +>12 ulelong x \b, base_of_code %#x +>16 ulequad x \b, image_base %#llx |