mirror of
https://github.com/radareorg/radare2.git
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99 lines
2.1 KiB
Groff
99 lines
2.1 KiB
Groff
.Dd Sep 5, 2024
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.Dt RASM2 1
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.Sh NAME
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.Nm rasm2
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.Nd radare2 assembler and disassembler tool
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.Sh SYNOPSIS
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.Nm rasm2
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.Op Fl ABdDeEfCLvwrNqx
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.Op Fl a Ar arch
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.Op Fl b Ar bits
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.Op Fl c Ar cpu
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.Op Fl F Ar in:out
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.Op Fl o Ar offset
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.Op Fl @ Ar offset
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.Op Fl O Ar ofile
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.Op Fl s Ar syntax
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.Op Fl i Ar int
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.Op Fl l Ar int
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.Op ARG
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.Sh DESCRIPTION
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This tool uses r_asm to assemble and disassemble files or hexpair strings. It supports a large list of architectures which can be listed using the \-L flag.
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.Pp
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.Bl -tag -width Fl
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.It Fl a Ar arch
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Set architecture plugin
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.It Fl A
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Show analysis information of given hexpair string
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.It Fl b Ar bits
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Set architecture bits
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.It Fl B
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Binary input/output (\-l is mandatory for binary input)
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.It Fl c Ar cpu
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Select specific CPU (depends on \-a arch)
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.It Fl C
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Output in C format
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.It Fl d
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Disassemble hexpair bytes. rasm2 \-d 9090
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.It Fl D
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Disassemble showing hexpair and opcode
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.It Fl e
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Use big endian (or swap endianness if used more than once)
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.It Fl E
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Output disassembled instructions in ESIL format.
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.It Fl f
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Read data from file instead of ARG.
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.It Fl F Ar in:out
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Specify input and/or output filters (att2intel, x86.pseudo, ...)
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.It Fl h
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Show usage help message.
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.It Fl hh
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Show long help message including supported assembler directives
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.It Fl l Ar int
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Input/Output length
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.It Fl i Ar int
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Ignore/skip N bytes from the beginning of the input buffer
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.It Fl L
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List loaded asm plugins
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.It Fl s Ar offset
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Offset of the opcode to assemble (default is 0)
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.It Fl @ Ar offset
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Alias for -s
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.It Fl N
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Dont load any plugin, same as R2_NOPLUGINS=1 or r2 -NN
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.It Fl o Ar ofile
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output to file, for example 'rasm2 \-BF a a.asm'
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.It Fl r
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Show output in r2 script
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.It Fl S Ar syntax
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Select syntax output (intel, att, masm, ...)
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.It Fl w
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Describe opcode (whats op)
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.It Fl x
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Use hex dwords instead of hexpairs in the assembler output
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.It Fl q
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Quiet output (handy for -L, -v, ...)
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.El
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.Sh DIRECTIVES
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.Pp
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List the supported assembler and preprocessor directives with:
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.Pp
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$rasm2 -hh
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.Pp
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.El
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.Sh EXAMPLES
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.Pp
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Assemble opcode:
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.Pp
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$ rasm2 \-a x86 \-b 32 'mov eax, 33'
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.Pp
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Disassemble opcode:
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.Pp
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$ rasm2 \-d 90
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.Sh SEE ALSO
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.Pp
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.Xr radare2(1)
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.Sh AUTHORS
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.Pp
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pancake <pancake@nopcode.org>
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