diff options
| author | Takashi Kokubun <[email protected]> | 2022-12-11 21:42:25 -0800 |
|---|---|---|
| committer | Takashi Kokubun <[email protected]> | 2023-03-05 22:11:20 -0800 |
| commit | fd04e1b4dbbb0dae130f3de79d69ca94ecdf883e (patch) | |
| tree | 5d55a3c9c6650ef0116b2378eab5d35547798b49 /lib/ruby_vm/mjit/compiler.rb | |
| parent | baa120ee8008a30c11066daa30cb03fcedc2e02f (diff) | |
Implement a no-op JIT compiler
Diffstat (limited to 'lib/ruby_vm/mjit/compiler.rb')
| -rw-r--r-- | lib/ruby_vm/mjit/compiler.rb | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/lib/ruby_vm/mjit/compiler.rb b/lib/ruby_vm/mjit/compiler.rb index cb2930246a..c42f75bf4d 100644 --- a/lib/ruby_vm/mjit/compiler.rb +++ b/lib/ruby_vm/mjit/compiler.rb @@ -1,6 +1,14 @@ +require 'mjit/x86_64/assembler' + class RubyVM::MJIT::Compiler - C = RubyVM::MJIT.const_get(:C, false) - INSNS = RubyVM::MJIT.const_get(:INSNS, false) + # MJIT internals + Assembler = RubyVM::MJIT::Assembler + C = RubyVM::MJIT::C + + # Ruby constants + Qundef = Fiddle::Qundef + + attr_accessor :write_pos # @param mem_block [Integer] JIT buffer address def initialize(mem_block) @@ -10,6 +18,16 @@ class RubyVM::MJIT::Compiler # @param iseq [RubyVM::MJIT::CPointer::Struct] def compile(iseq) - # TODO: implement + return if iseq.body.location.label == '<main>' + + iseq.body.jit_func = write_addr + asm = Assembler.new + asm.mov(:eax, Qundef) + asm.ret + asm.compile(self) + end + + def write_addr + @mem_block + @write_pos end end |