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Merge fc86dd713a into d025bc230c

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Takashi Kokubun 2025-08-14 19:21:35 -07:00 • committed by GitHub
commit a106962987
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1 changed files with 6 additions and 9 deletions
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7
zjit/src/codegen.rs
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@ -1396,13 +1396,12 @@ c_callable! {
/// instructions, so this should be used primarily for cb.has_dropped_bytes() situations.
fn function_stub_hit(iseq: IseqPtr, branch_ptr: *const c_void, ec: EcPtr, sp: *mut VALUE) -> *const u8 {
with_vm_lock(src_loc!(), || {
/// gen_push_frame() doesn't set PC and SP, so we need to set them before exit
fn set_pc_and_sp(iseq: IseqPtr, ec: EcPtr, sp: *mut VALUE) {
// gen_push_frame() doesn't set PC and SP, so we need to set them before exit.
// function_stub_hit_body() may allocate and call gc_validate_pc(), so we always set PC.
let cfp = unsafe { get_ec_cfp(ec) };
let pc = unsafe { rb_iseq_pc_at_idx(iseq, 0) }; // TODO: handle opt_pc once supported
unsafe { rb_set_cfp_pc(cfp, pc) };
unsafe { rb_set_cfp_sp(cfp, sp) };
}
// If we already know we can't compile the ISEQ, fail early without cb.mark_all_executable().
// TODO: Alan thinks the payload status part of this check can happen without the VM lock, since the whole
@ -1411,7 +1410,6 @@ c_callable! {
let payload = get_or_create_iseq_payload(iseq);
if cb.has_dropped_bytes() || payload.status == IseqStatus::CantCompile {
// Exit to the interpreter
set_pc_and_sp(iseq, ec, sp);
return ZJITState::get_exit_code().raw_ptr(cb);
}
@ -1421,7 +1419,6 @@ c_callable! {
code_ptr
} else {
// Exit to the interpreter
set_pc_and_sp(iseq, ec, sp);
ZJITState::get_exit_code()
};
cb.mark_all_executable();