diff options
| author | Takashi Kokubun <[email protected]> | 2022-12-26 22:06:43 -0800 |
|---|---|---|
| committer | Takashi Kokubun <[email protected]> | 2023-03-05 22:11:20 -0800 |
| commit | 4fe5efbf7f784803f8ac48824f350b6dc91d644c (patch) | |
| tree | d118d8b82041448d17c6d0b0da27bd802cd97dec /lib/mjit | |
| parent | 652d63789f5fd37865c5000712236a214ced9fbf (diff) | |
Implement asm comments
Diffstat (limited to 'lib/mjit')
| -rw-r--r-- | lib/mjit/insn_compiler.rb | 4 | ||||
| -rw-r--r-- | lib/mjit/x86_assembler.rb | 9 |
2 files changed, 10 insertions, 3 deletions
diff --git a/lib/mjit/insn_compiler.rb b/lib/mjit/insn_compiler.rb index 8fd8dfcef8..9c3e2f2a95 100644 --- a/lib/mjit/insn_compiler.rb +++ b/lib/mjit/insn_compiler.rb @@ -19,14 +19,14 @@ module RubyVM::MJIT def leave(jit, ctx, asm) assert_eq!(ctx.stack_size, 1) - # Check interrupts + asm.comment("RUBY_VM_CHECK_INTS(ec)") asm.mov(:eax, [EC, C.rb_execution_context_t.offsetof(:interrupt_flag)]) asm.test(:eax, :eax) asm.jz(not_interrupted = asm.new_label(:not_interrupted)) Compiler.compile_exit(jit, ctx, asm) # TODO: use ocb asm.write_label(not_interrupted) - # Pop the current frame (ec->cfp++) + asm.comment("pop stack frame") asm.add(CFP, C.rb_control_frame_t.size) # cfp = cfp + 1 asm.mov([EC, C.rb_execution_context_t.offsetof(:cfp)], CFP) # ec->cfp = cfp diff --git a/lib/mjit/x86_assembler.rb b/lib/mjit/x86_assembler.rb index 1d010411db..ad194185ae 100644 --- a/lib/mjit/x86_assembler.rb +++ b/lib/mjit/x86_assembler.rb @@ -10,10 +10,13 @@ module RubyVM::MJIT # REX = 0100WR0B REX_W = 0b01001000 + attr_reader :comments + def initialize @bytes = [] - @label_id = 0 @labels = {} + @label_id = 0 + @comments = Hash.new { |h, k| h[k] = [] } end def compile(addr) @@ -173,6 +176,10 @@ module RubyVM::MJIT end end + def comment(message) + @comments[@bytes.size] << message + end + def new_label(name) Label.new(id: @label_id += 1, name:) end |