Metasm is a cross-architecture assembler, disassembler, compiler, linker and debugger.

Metasm has some advanced features such as remote process manipulation, GCC-compatible preprocessor automatic backtracking in the disassembler, C headers shrinking and debugging API interface.

The development version also adds a C compiler, a decompiler and various advanced features. It is written in pure Ruby.

Here are some key features of "Metasm":

￭ Metasm has been written in such a way that it is easy to add a new architecture. For now, the following architectures are supported:
￭ Intel IA32
￭ MIPS
· In development: Cell, SPARC, ARM, PPC, PIC

The following file formats are supported:
￭ Raw (for shellcodes)
￭ MZ, PE/COFF (32 and 64 bits)
￭ ELF (32 and 64 bits)

NOTE: Metasm is licensed and provided under the GNU Lesser GPL License.