diff options
| author | Takashi Kokubun <[email protected]> | 2023-03-12 13:55:39 -0700 |
|---|---|---|
| committer | Takashi Kokubun <[email protected]> | 2023-03-12 15:15:08 -0700 |
| commit | 9cd5441d28002768d9f492140757652548b86727 (patch) | |
| tree | 0ad4ac8e4c56c64d0ced398cdbdd8a3878d7f862 /lib/ruby_vm/rjit/exit_compiler.rb | |
| parent | bbd9221e46649cc0d620efe4542bb93ff89fcb47 (diff) | |
RJIT: Implement --rjit-trace-exits
Diffstat (limited to 'lib/ruby_vm/rjit/exit_compiler.rb')
| -rw-r--r-- | lib/ruby_vm/rjit/exit_compiler.rb | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/lib/ruby_vm/rjit/exit_compiler.rb b/lib/ruby_vm/rjit/exit_compiler.rb index c082cc3660..b7beb22177 100644 --- a/lib/ruby_vm/rjit/exit_compiler.rb +++ b/lib/ruby_vm/rjit/exit_compiler.rb @@ -6,12 +6,12 @@ module RubyVM::RJIT # @param pc [Integer] # @param asm [RubyVM::RJIT::Assembler] def compile_entry_exit(pc, ctx, asm, cause:) - # Increment per-insn exit counter - incr_insn_exit(pc, asm) - # Fix pc/sp offsets for the interpreter save_pc_and_sp(pc, ctx, asm, reset_sp_offset: false) + # Increment per-insn exit counter + count_insn_exit(pc, asm) + # Restore callee-saved registers asm.comment("#{cause}: entry exit") asm.pop(SP) @@ -62,12 +62,12 @@ module RubyVM::RJIT # @param ctx [RubyVM::RJIT::Context] # @param asm [RubyVM::RJIT::Assembler] def compile_side_exit(pc, ctx, asm) - # Increment per-insn exit counter - incr_insn_exit(pc, asm) - # Fix pc/sp offsets for the interpreter save_pc_and_sp(pc, ctx.dup, asm) # dup to avoid sp_offset update + # Increment per-insn exit counter + count_insn_exit(pc, asm) + # Restore callee-saved registers asm.comment("exit to interpreter on #{pc_to_insn(pc).name}") asm.pop(SP) @@ -105,13 +105,18 @@ module RubyVM::RJIT # @param pc [Integer] # @param asm [RubyVM::RJIT::Assembler] - def incr_insn_exit(pc, asm) + def count_insn_exit(pc, asm) if C.rjit_opts.stats insn = Compiler.decode_insn(C.VALUE.new(pc).*) asm.comment("increment insn exit: #{insn.name}") asm.mov(:rax, (C.rjit_insn_exits + insn.bin).to_i) asm.add([:rax], 1) # TODO: lock end + if C.rjit_opts.trace_exits + asm.comment('rjit_record_exit_stack') + asm.mov(C_ARGS[0], pc) + asm.call(C.rjit_record_exit_stack) + end end # @param jit [RubyVM::RJIT::JITState] |