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Set 0 to cfp->pc on C func send

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This commit is contained in:
Takashi Kokubun 2023-02-10 21:54:35 -08:00
parent 9e42f31574
commit cacf2f3709
1 changed files with 4 additions and 1 deletions
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5
lib/ruby_vm/mjit/insn_compiler.rb
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@ -1294,7 +1294,10 @@ module RubyVM::MJIT
asm.comment('set up new frame')
cfp_offset = -C.rb_control_frame_t.size # callee CFP
# Not setting PC since JIT code will do that as needed
# For ISEQ, JIT code will set it as needed. However, C func needs 0 there for svar frame detection.
if iseq.nil?
asm.mov([CFP, cfp_offset + C.rb_control_frame_t.offsetof(:pc)], 0)
end
asm.mov(:rax, iseq.to_i)
asm.mov([CFP, cfp_offset + C.rb_control_frame_t.offsetof(:iseq)], :rax)
self_index = ctx.sp_offset - (1 + argc) # TODO: +1 for VM_CALL_ARGS_BLOCKARG