The EFI Analyzer can be used to check EFI binaries and to print out header and section information, e.g.
$ efianalyze helloworld.efi
helloworld.efi
Offset to PE: 0x40
Machine type: 0xaa64, ARM64 little endian
Characteristics: 0x022e
* The file is executable.
* COFF line numbers were stripped from the file.
* COFF symbol table entries were stripped from file.
* The application can handle addresses larger than 2 GiB.
* Debugging information was removed.
LinkerVersion 2.20
BaseOfCode: 0x1000
AddressOfEntryPoint: 0x1000
Image type: PE32+
Subsystem: EFI application
ImageBase: 0x0
SectionAlignment: 0x1000
FileAlignment: 0x200
SizeOfImage: 0x2200
.reloc.address: 0x0
.reloc.size: 0x0
Number data tables: 6
Exports : 0x00000000 - 0x00000000
Imports : 0x00000000 - 0x00000000
Resources : 0x00000000 - 0x00000000
Exceptions : 0x00000000 - 0x00000000
Certificates : 0x00000000 - 0x00000000
Base Relocations : 0x00000000 - 0x00000000
Number of sections: 3
Section[0]: .reloc
Virtual size: 0x0
Virtual address: 0x0
Size of raw data: 0x0
Pointer to raw data: 0x0
End of raw data: 0x0
Characteristics: 0x42000040
* The section contains initialized data.
* The section can be discarded as needed.
* The section can be read.
Section[1]: .text
Virtual size: 0xc00
Virtual address: 0x1000
Size of raw data: 0xc00
Pointer to raw data: 0x1000
End of raw data: 0x1c00
Characteristics: 0x60000020
* The section contains executable code.
* The section can be executed as code.
* The section can be read.
Section[2]: .data
Virtual size: 0x200
Virtual address: 0x2000
Size of raw data: 0x200
Pointer to raw data: 0x2000
End of raw data: 0x2200
Characteristics: 0xc0000040
* The section contains initialized data.
* The section can be read.
* The section can be written to.
The binary is built with
make
The binary is installed with
sudo make install
The following variables influence the installation path:
-
prefix - The default installation path prefix is /usr/local. You can replace it by setting the variable prefix.
-
DESTDIR - The value of variable DESTDIR is prepended to the installation path.
make install DESTDIR=foo prefix=/usr
installs the binary as foo/usr/bin/efianalyze.
- Microsoft Portable Executable and Common Object File Format Specification
- UEFI Specification Version 2.10
The EFI Analyzer is distributed under the BSD 2-clause license. See accompanying
file Copyright.