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The link register points to the next instruction

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Gwilym Inzani 2024-06-04 21:18:10 +01:00
parent fafa4ba7ea
commit d9243ded6b
1 changed files with 4 additions and 1 deletions
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5
agb/src/backtrace.rs
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@ -77,7 +77,10 @@ pub(crate) fn unwind_exception() -> Frames {
break;
}
frames.push(lr);
// need to subtract 2 here since the link register points to the _next_ instruction
// to execute, not the one that is being branched from which is the one we care about
// in the stack trace.
frames.push(lr - 2);
frame_pointer = sp;
}