Asmc Macro Assembler Reference
Assembles and links one or more assembly-language source files. The command-line options are case sensitive.
ASMC [[options]] filename [[ [[options]] filename]]
options
The options listed in the following table.
| Option | Meaning |
|---|---|
| -[0..10][p] | Set CPU: 0=8086 (default), 1=80186, 2=80286, 3=80386, 4=80486, 5=Pentium,6=PPro,7=P2,8=P3,9=P4,10=x86-64. [p] allows privileged instructions. |
| -arch:AVX[[2][512]] | Specifies the architecture for code generation on x64. |
| -assert | Generate .assert(code). |
| -autostack | Calculate required stack space for arguments. |
| -bin | Generate plain binary file. |
| -Cs | Push user registers before stack-frame is created in a proc. |
| -coff | Generate COFF format object file. |
| -Cp | Preserves case of all user identifiers. |
| -Cu | Maps all identifiers to upper case (default). |
| -cui | Link switch used with -pe -- subsystem:console (default). |
| -Cx | Preserves case in public and extern symbols. |
| -Dsymbol[[=value]] | Defines a text macro with the given name. If value is missing, it is blank. Multiple tokens separated by spaces must be enclosed in quotation marks. |
| -dotname | Allows names of identifiers to begin with a period. |
| -enumber | Set error limit number. |
| -elf | Generate 32-bit ELF object file. Defines _LINUX(1). |
| -elf64 | Generate 64-bit ELF object file. Defines _LINUX(2) and _WIN64. |
| -endbr | Insert ENDBR instruction at function entry. |
| -EP | Generates a preprocessed source listing (sent to STDOUT). See /Sf. |
| -eq | Don't display error messages. |
| -Fd[file] | Write import definition file. |
| -Fifile | Force file to be included. |
| -Fl[[filename]] | Generates an assembled code listing. See /Sf. |
| -Fofilename | Names an object file. In case of wildcard '*' may be used for current file. |
| -fpc | Disallow floating-point instructions. |
| -FPi | Generates emulator fix-ups for floating-point arithmetic (mixed language only). |
| -FPi87 | 80x87 instructions (default). |
| -fpic, -fno-pic | Enables or disables the generation of position-independent code for ELF64. Defualt is -fno-pic. |
| -fpn | Set FPU: 0=8087, 2=80287, 3=80387. |
| -frame | Auto generate unwind information. |
| -Fwfilename | Set errors file name. |
| -Gc | Specifies use of FORTRAN- or Pascal-style function calling and naming conventions. Same as OPTION LANGUAGE:PASCAL. |
| -Gd | Specifies use of C-style function calling and naming conventions. Same as OPTION LANGUAGE:C. |
| -Gs | Specifies use of SYSCALL (System V)-style function calling and naming conventions. Same as OPTION LANGUAGE:SYSCALL. |
| -Ge | Emit a conditional _chkstk() inside the prologue. |
| -gui | Link switch used with -pe -- subsystem:windows. |
| -Gv | Specifies use of VECTORCALL-style function calling and naming conventions. |
| -Gz | Specifies use of STDCALL-style function calling and naming conventions. Defines _STDCALL_SUPPORTED. Same as OPTION LANGUAGE:STDCALL. |
| -homeparams | Forces parameters passed in registers to be written to their locations on the stack upon function entry. |
| -Ipathname | Sets path for include file. |
| -logo | Print logo string and exit. |
| -m[tscmlhf] | Set memory model. |
| -mz | Generate DOS MZ binary file. |
| -ncname | Set class name of code segment. |
| -ndname | Set name of data segment. |
| -nmname | Set name of module. |
| -ntname | Set name of text segment. |
| -nolib | Ignore INCLUDELIB directive. |
| -nologo | Suppresses messages for successful assembly. |
| -omf | Generates object module file format (OMF) type of object module. |
| -pe | Generate PE binary file, 32/64-bit. |
| -q | Suppress copyright message. |
| -r | Recurse subdirectories with use of wild args. |
| -Sa | Turns on listing of all available information. |
| -safeseh | Marks the object as either containing no exception handlers or containing exception handlers that are all declared with SAFESEH. |
| -Sf | Adds first-pass listing to listing file. |
| -Sg | Turns on listing of assembly-generated code. |
| -Sn | Turns off symbol table when producing a listing. |
| -Sp[n] | Set segment alignment. |
| -stackalign | Align stack variables to 16-byte. |
| -Sx | Turns on false conditionals in listing. |
| -w | Same as /W0. |
| -Wlevel | Sets the warning level, where level = 0, 1, 2, or 3. |
| -win64 | Generate 64-bit COFF object. Defines _WIN64. |
| -ws[CodePage] | Store quoted strings as Unicode. Defines _UNICODE. |
| -WX | Returns an error code if warnings are generated. |
| -X | Ignore INCLUDE environment path. |
| -Z7 | Add full symbolic debugging information. |
| -zcw | No decoration for C symbols. |
| -Zd | Generates line-number information in object file. |
| -Zf | Make all symbols public. |
| -zf[01] | Set FASTCALL type: MS/OW. |
| -Zg | Generate code to match Masm. |
| -Zi | Add symbolic debugging information. |
| -zlc | No OMF records of data in code. |
| -zld | No OMF records of far call. |
| -zlf | Suppress items in COFF: No file entry. |
| -zlp | Suppress items in COFF: No static procs. |
| -zls | Suppress items in COFF: No section aux entry. |
| -Zm | Enable MASM 5.10 compatibility. |
| -Zne | Disable non Masm extensions. |
| -Znk | Disable non Masm keywords. |
| -Zp[[alignment]] | Packs structures on the specified byte boundary. |
| -Zs | Perform syntax check only. |
| -zt[012] | Set STDCALL decoration. |
| -Zv8 | Enable Masm v8+ PROC visibility. |
| -zze | No export symbol decoration. |
| -zzs | Store name of start address. |
| filename | The name of the file. |
| INCLUDE | Specifies search path for include files. |
| ASMC | Specifies default command-line options. |
| TEMP | Specifies path for temporary files. |