Bug #11851 ยป 0001-vm_backtrace.c-rb_profile_frames-ignore-ifunc-frames.patch
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int i;
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rb_thread_t *th = GET_THREAD();
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rb_control_frame_t *cfp = th->cfp, *end_cfp = RUBY_VM_END_CONTROL_FRAME(th);
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const rb_callable_method_entry_t *cme;
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for (i=0; i<limit && cfp != end_cfp;) {
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const rb_callable_method_entry_t *cme = rb_vm_frame_method_entry(cfp);
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if ((cme && cme->def->type == VM_METHOD_TYPE_ISEQ) || (cfp->iseq && cfp->pc)) {
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if (cfp->iseq && cfp->pc) {
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if (start > 0) {
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start--;
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continue;
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}
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/* record frame info */
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if (cme) {
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cme = rb_vm_frame_method_entry(cfp);
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if (cme && cme->def->type == VM_METHOD_TYPE_ISEQ) {
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buff[i] = (VALUE)cme;
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}
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else {
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buff[i] = (VALUE)cfp->iseq;
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}
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if (cfp->iseq && lines) lines[i] = calc_lineno(cfp->iseq, cfp->pc);
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if (lines) lines[i] = calc_lineno(cfp->iseq, cfp->pc);
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i++;
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}
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