documentation.HELP! Asmc Macro Assembler Documentation

Asmc Macro Assembler Reference

Asmc Macro Assembler

Table of contents

• ASMC
  • Asmc Command-Line Reference
  • Asmc Error Messages
  • Asmc Extensions
  • Directives Reference
  • Symbols Reference
• JWASM
  • 1. About
  • 2. Commandline Options
    • Options -0, -1, -2, ..., -10: Select Cpu
    • Option -bin: Select Output Format Binary
    • Option -coff: Select Output Format COFF
    • Option -djgpp: Select Output Format for DJGPP (optional)
    • Option -e: Set error limit
    • Option -elf: Select 32-bit Output Format ELF
    • Option -elf64: Select 64-bit Output Format ELF
    • Option -eq: Suppress Error Messages on Screen
    • Option -Fd: Write Import Definitions
    • Option -FPi: Activate Floating-Point Emulation
    • Option -Fw: Set Error File Name
    • Options -Gc, -Gd, -Gr, -Gz: Set Default Calling Convention
    • Option -m: Select Memory Model
    • Option -mz: Select Output Format MZ
    • Option -nc: Set Code Class Name
    • Options -nd and -nt: Set DATA and CODE Segment Names
    • Option -nm: Set Module Name
    • Option -pe: Create a PE Binary
    • Option -win64: Select Output Format Win64
    • Option -zc: Set Name Decoration for C
    • Option -Zd: Emit Line Number Debugging Info
    • Option -zf: Select FASTCALL Type
    • Option -Zg: Masm-compatible Code Generation
    • Option -Zi: Emit Symbolic Debugging Info
    • Options -zlc and -zld: Control Content of OMF Output Module
    • Options -zlf, -zlp and -zls: Control Content of COFF Output Module
    • Option -Zm: Enable Masm v5 Compatibility
    • Option -Zne: Disable JWasm Syntax Extensions
    • Option -zt: Set Name Decoration for STDCALL
    • Option -Zv8: Enable Masm v8 Procedure Visibility
    • Option -zze: Disable Export Name Decoration
    • Option -zzs: Avoid Wlink COFF Incompatibility
  • 3. Syntax Extensions
    • 3.1 Directive INCBIN
    • 3.2 FASTCALL Register Calling Convention
    • 3.3 IDs enclosed in Back Quotes
    • 3.4 Floating-Point Immediates in Instructions
    • 3.5 Directive OPTION FIELDALIGN
    • 3.6 Directive OPTION PROCALIGN
    • 3.7 Directive OPTION MZ
    • 3.8 Directive OPTION ELF
    • 3.9 Directive OPTION WIN64
    • 3.10 Directive OPTION FRAME
    • 3.11 Directive OPTION RENAMEKEYWORD
    • 3.12 Directive OPTION DLLIMPORT
    • 3.13 Directive OPTION CODEVIEW
    • 3.13 Directive OPTION STACKBASE
    • 3.15 Directives PUSHCONTEXT / POPCONTEXT ALIGNMENT
    • 3.16 Directives .X64 and .X64p
    • 3.17 Attribute LABEL for first Macro Parameter
    • 3.18 Member Argument for IF[N]DEF and .ERR[N]DEF Directives
    • 3.19 Initialization of Data Items with Type MMWORD/XMMWORD
    • 3.20 Optional Array Size for LABEL Directive
    • 3.21 Optional Name Argument for Simplified Segment Directives
    • 3.22 Segment Attribute COMDAT
    • 3.23 Attribute VARARGML for last Macro Parameter
    • 3.24 Miscellaneous
      • 3.24.1 Numeric constant __JWASM__
      • 3.24.2 Operating System Argument for .MODEL
      • 3.24.3 Accepted Parameters for IF[N]DEF Directive
      • 3.24.4 Visibility of Procedures
      • 3.24.5 Non-RIP-Relative Addressing in 64-Bit
  • 4. Instruction Sets
  • 5. Code Generation Differences
    • 5.1 Forward References in Macro Expressions
  • 6. Output Formats
    • 6.1 OMF Output Format
    • 6.2 COFF Output Format
    • 6.3 Win64 Output Format
    • 6.4 Binary Output Format
    • 6.5 PE Output Format
  • 7. Masm bugs fixed in JWasm
  • 8. Optional Features
  • 9. Known Bugs and missing Features
  • 10. License
  • Appendix A. JWasm Reserved Words
  • Appendix B. Source Samples
    • Win64_3 - SEH Support in Win64
    • Win64_3e - SEH Support in Win64 (JWasm specific)
    • DOS64 - Switch to Long Mode and Back
    • Win32_5 - Create a Win32 Binary with -bin
    • Win32_7 - Usage of OPTION DLLIMPORT and -Fd Switch
    • Win64_8 - Create a Win64 Binary with -pe
  • Appendix C. Errors and Warnings
  • Appendix D. Differences between Masm 6 and Masm 8
  • Appendix E. Restrictions of precompiled 16-bit Binary JWASMR.EXE
  • Appendix F. Additional Features of JWasm's Debug Version

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