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RZ_ASM(1) General Commands Manual RZ_ASM(1) NAME rz-asm -- rizin assembler and disassembler tool SYNOPSIS rz-asm [-ABCdDeIEhjLpqrvxw] [-a arch] [-b bits] [-m plugin] [-c CPU] [-O file] [-o addr] [-@ addr] [-f file] [-F in:out] [-i len] [-k kernel] [-s syntax] [-l len] DESCRIPTION This command is part of the Rizin project. This tool uses RzAsm to assemble and disassemble files or hexpair strings. It supports a large list of architectures which can be listed using the -L flag. -a arch Set architecture to assemble/disassemble (see -L) -A Show analysis information from given hexpairs -b bits Set CPU register size (8, 16, 32, 64) (RZ_ASM_BITS) -B Binary input/output (-l is mandatory for binary input) -c CPU Select specific CPU (depends on the arch) -C Output in C format -d, -D Disassemble from hexpair bytes (-D show hexpairs) -e Use big endian instead of little endian -I Display lifted RzIL code (same input as in -d, IL is also vali- dated) -E Display ESIL expression (same input as in -d) -f file Read data from file -F in:out Specify input and/or output filters (att2intel, x86.pseudo, ...) -h, -hh Show usage help message, hh for long -i len Ignore N bytes of the input buffer -j Output in JSON format -k kernel Select operating system (linux, windows, darwin, ..) -l len Input/Output length -L List asm plugins: (a=asm, d=disasm, A=analyze, e=ESIL, I=RzIL) -m plugin List supported CPUs for the chosen plugin -o, -@ addr Set start address for code (default 0) -O file Output file name (rz-asm -Bf a.asm -O a) -p Run SPP over input for assembly -q Quiet mode -s syntax Select syntax (intel, att) -v Show version information -x Use hex dwords instead of hex pairs when assembling -w Describe opcode Directives .intel_syntax Use Intel syntax rather than AT&T .att_syntax Use AT&T syntax rather than Intel .align number Set the code or data alignment .arch name Set the code architecture .arm Set the ARM mode (as opposed to Thumb) for ARM architecture .ascii string Define the ASCII string .asciz string Define the zero-ending ASCII string .bits number Define the code bitness .big_endian Set the BE (big endian) byte order .cpu name Set the CPU for the chosen architecture .data Mark the start of the data section .endian 1|0 Set the endianness (the byte order) - 1 is BE, 0 is LE .equ name value Define the constant .fill repeat,size,value Fill the data with the repeating value pattern .hex data Define the data in hexadecimal format .incbin filename Include binary file .int16 number Define 16-bit integer .int32 number Define 32-bit integer .int64 number Define 64-bit integer .kernel name Set the kernel for syscalls .little_endian Set the LE (little endian) byte order .org value Set the value of the PC (Program Counter) register .os name Set the operating system for syscalls .short number Define 16-bit integer .string string Define the ASCII string .text Mark the start of the text section .thumb Set the Thumb mode (as opposed to ARM) for ARM architecture ENVIRONMENT RZ_ARCH: e asm.arch - architecture to assemble or disassemble(same as rz-asm -a) RZ_ASM_ARCH: architecture to assemble/disassemble (same as rz-asm -a) RZ_ASM_BITS: cpu register size (8, 16, 32, 64) (same as rz-asm -b) RZ_BITS: e asm.bits - cpu register size (8, 16, 32, 64) (same as rz- asm -b) RZ_DEBUG: if defined, show error messages and crash signal0 RZ_NOPLUGINS: do not load shared plugins (speedup loading)0 EXAMPLES Assemble opcode: rz-asm -a x86 -b 32 'mov eax, 33' Disassemble opcode: rz-asm -d 90 SEE ALSO rizin(1), rz-ax(1), rz-bin(1), rz-diff(1), rz-find(1), rz-gg(1), rz- hash(1), rz-run(1) AUTHORS pancake <pancake@nopcode.org> byteninjaa0 FreeBSD ports 15.quarterly January 22, 2024 RZ_ASM(1)
NAME | SYNOPSIS | DESCRIPTION | Directives | ENVIRONMENT | EXAMPLES | SEE ALSO | AUTHORS
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