| 1 | JWasm v2.06d, Jul 1 2011, Masm-compatible assembler.
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| 2 | Portions Copyright (c) 1992-2002 Sybase, Inc. All Rights Reserved.
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| 3 | Source code is available under the Sybase Open Watcom Public License.
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| 4 |
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| 5 | JWasm [options] asm-file [options] [asm-file] ... [@env_var]
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| 6 |
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| 7 | options:
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| 8 | -<0|1|..|10>[p] Set CPU: 0=8086 (default), 1=80186, 2=80286, 3=80386,
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| 9 | 4=80486, 5=Pentium, 6=PPro, 7=P2, 8=P3, 9=P4, 10=x86-64.
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| 10 | <p> allows privileged instructions.
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| 11 | -c Assemble without linking (always set)
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| 12 | -C<p|u|x> Set OPTION CASEMAP: p=NONE, u=ALL,
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| 13 | x=NOTPUBLIC (default).
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| 14 | -D<name>[=text] Define text macro
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| 15 | -e<number> Set error limit number (default=50)
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| 16 | -EP Output preprocessed listing to stdout
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| 17 | -eq don't display error messages
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| 18 | -Fd<file_name> Set linker import definition file name
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| 19 | -Fi<file_name> Force <file_name> to be included
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| 20 | -Fl[=<file_name>] Write listing file
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| 21 | -Fo<file_name> Set object file name
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| 22 | -Fw<file_name> Set errors file name
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| 23 | -FPi 80x87 instructions with emulation fixups
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| 24 | -FPi87 80x87 instructions (default)
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| 25 | -fpc Disallow floating-point instructions (.NO87)
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| 26 | -fp<n> Set FPU, <n> is: 0=8087 (default), 2=80287, 3=80387
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| 27 | -G<c|d|z> Use Pascal, C or Stdcall calling convention
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| 28 | -I<directory> Add directory to list of include directories
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| 29 | -m<t|s|c|m|l|h|f> Set memory model:
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| 30 | (Tiny, Small, Compact, Medium, Large, Huge, Flat)
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| 31 | -nc=<name> Set class name of code segment
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| 32 | -n<d|m|t>=<name> Set name of data segment, module or text segment
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| 33 | -q, -nologo Don't display version and copyright information
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| 34 | -Sa Maximize source listing
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| 35 | -safeseh Assert all exception handlers are declared
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| 36 | -Sf Generate first pass listing
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| 37 | -Sg Display generated code in listing
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| 38 | -Sn Suppress symbol-table listing
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| 39 | -Sx List false conditionals
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| 40 | -w Same as /W0 /WX
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| 41 | -W<number> Set warning level number (default=2, max=4)
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| 42 | -WX Treat all warnings as errors
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| 43 | -X Ignore INCLUDE environment path
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| 44 | -zcm C names are decorated with '_' prefix (default)
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| 45 | -zcw No name decoration for C symbols
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| 46 | -Zd Add line number debug info (OMF & COFF only)
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| 47 | -Zf Make all symbols public
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| 48 | -zf<0|1> Set FASTCALL type: 0=MS VC style (default),
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| 49 | 1=OW register calling convention
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| 50 | -Zg Generated code is to exactly match Masm's one
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| 51 | -Zi Add symbolic debug info (OMF & COFF only)
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| 52 | -zlc No OMF records about data in code
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| 53 | -zld No OMF records about far call optimization
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| 54 | -zlf No COFF .file entry in symbol table
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| 55 | -zls No COFF auxiliary entries for sections in symbol table
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| 56 | -Zm Masm v5.1 compatibility
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| 57 | -Zne Disable syntax extensions not supported by Masm
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| 58 | -Zp[n] Set structure alignment, n=<1|2|4|8|16|32>
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| 59 | -Zs Perform syntax check only
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| 60 | -zt<0|1|2> Set STDCALL symbol decoration: 0=No name decoration,
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| 61 | 1=No '@size' suffix for functions, 2=Full (default)
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| 62 | -Zv8 Enable Masm v8+ PROC visibility
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| 63 | -zze No name decoration for exported symbols
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| 64 | -zzs Store decorated name of start address (COFF only)
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| 65 | @env_var Environment variable or file containing further commands
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| 66 | output formats:
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| 67 | -bin plain binary file
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| 68 | -coff 32-bit COFF format object file
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| 69 | -elf 32-bit ELF format object file
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| 70 | -elf64 64-bit ELF format object file
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| 71 | -mz DOS MZ binary file
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| 72 | -omf OMF format object file (default)
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| 73 | -win64 64-bit COFF format object file
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