Madexceptbpl: Top

If you are looking for madExceptBpl, you are likely dealing with Borland Package Library (.bpl) files in a Delphi development environment and need a way to ensure your exception handling is "top-tier" or properly configured for modular applications. Understanding madExcept and .bpl Files

Note: The ExplicitBPLBoundary setting is undocumented but supported in madExcept 5.1.2 and later. madexceptbpl top

Part 6: Real-World Example – Fixing a “BPL Top Error”

Symptom: A developer posts on a forum: “My Delphi app crashes after loading Plugin1.bpl. MadExcept shows only ‘madexceptbpl top’ in the call stack, no line numbers.” If you are looking for madExceptBpl , you

madExcept_.bpl is a runtime package associated with madExcept, an advanced exception-handling library developed by madshi for the Delphi and C++Builder programming environments. Core Functionality MadExcept shows only ‘madexceptbpl top’ in the call

Error 1: "BPL Address mismatch"

Log Entry: Expected MyPackage.bpl top at 0x50000000, but actual loaded at 0x51000000. Cause: You recompiled the BPL without rebuilding the EXE, or vice versa. The RTTI is misaligned. Fix: Perform a full Clean and Build all (Shift + F12) for your project group.

Why It Matters

You might ask, "Do I need to deploy this with my application?"

Error 3: Leak Report shows "[Unknown memory block at madexceptbpl top]"

Log Entry: Memory leak at address 0x10001000 (just below madexceptbpl top of Helper.bpl) Cause: A class constructor allocated memory, but the destructor was never called because the BPL was unloaded via UnloadPackage before the object was freed. Fix: Ensure you call FreeAndNil on all BPL-owned objects before calling UnloadPackage.