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Add more GC guards

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This commit is contained in:
Takashi Kokubun 2023-03-01 23:15:51 -08:00
parent d7888e4626
commit 3034553e8d
Notes: git 2023-03-06 07:29:48 +00:00
3 changed files with 6 additions and 3 deletions
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5
lib/ruby_vm/mjit/exit_compiler.rb
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@ -82,7 +82,10 @@ module RubyVM::MJIT
# @param target0_p [TrueClass,FalseClass]
def compile_branch_stub(ctx, asm, branch_stub, target0_p)
# Call rb_mjit_branch_stub_hit
asm.comment("branch stub hit: #{branch_stub.iseq.body.location.label}@#{C.rb_iseq_path(branch_stub.iseq)}:#{iseq_lineno(branch_stub.iseq, target0_p ? branch_stub.target0.pc : branch_stub.target1.pc)}")
iseq = branch_stub.iseq
if C.imemo_type(iseq) != C.imemo_iseq # Guard against ISEQ GC at random moments
asm.comment("branch stub hit: #{iseq.body.location.label}@#{C.rb_iseq_path(iseq)}:#{iseq_lineno(iseq, target0_p ? branch_stub.target0.pc : branch_stub.target1.pc)}")
end
asm.mov(:rdi, to_value(branch_stub))
asm.mov(:esi, ctx.sp_offset)
asm.mov(:edx, target0_p ? 1 : 0)