pxasme

A single-pass x86_64 assembler that emits relocatable ELF64 objects.

Usage

pxasme -Src myapp.asm -Dest myapp.o
ld -s -o myapp myapp.o
./myapp

Status

• Lexer
  • "Variables" in data/rodata (u8, u16, u32, u64, sz)
    • C-style addressing (bare or &)
  • Unified public/private, import/export syntax
  • State machine parser for opcode arguments
• Parser
  • mov, ret, syscall, sections, variables
  • strlen($var) compile-time function
  • more isa ops
• Code generation
  • Generate ELF64 binaries
    • Relocations
      • R_X86_64_32S (n.b. not PIC)
      • R_X86_64_64
  • Freestanding mode