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Check for vpi_release_handle even when no VL_DEBUG

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This commit is contained in:
Wilson Snyder 2020-12-18 20:46:43 -05:00
parent 7deac509c6
commit 3797b5bca1
1 changed files with 0 additions and 8 deletions
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8
include/verilated_vpi.cpp
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@ -59,9 +59,7 @@ class VerilatedVpio VL_NOT_FINAL {
// CONSTANTS
/// Magic value stored in front of object to detect double free etc
/// Must be odd, as aligned pointer can never be odd
#ifdef VL_DEBUG
static constexpr vluint32_t activeMagic() { return 0xfeed100f; }
#endif
// MEM MANGLEMENT
static VL_THREAD_LOCAL vluint8_t* t_freeHead;
@ -80,27 +78,21 @@ public:
if (VL_LIKELY(t_freeHead)) {
vluint8_t* newp = t_freeHead;
t_freeHead = *(reinterpret_cast<vluint8_t**>(newp));
#ifdef VL_DEBUG
*(reinterpret_cast<vluint32_t*>(newp)) = activeMagic();
#endif
return newp + 8;
}
// +8: 8 bytes for next
vluint8_t* newp = reinterpret_cast<vluint8_t*>(::operator new(chunk + 8));
#ifdef VL_DEBUG
*(reinterpret_cast<vluint32_t*>(newp)) = activeMagic();
#endif
return newp + 8;
}
static void operator delete(void* obj, size_t /*size*/)VL_MT_SAFE {
vluint8_t* oldp = (static_cast<vluint8_t*>(obj)) - 8;
#ifdef VL_DEBUG
if (VL_UNLIKELY(*(reinterpret_cast<vluint32_t*>(oldp)) != activeMagic())) {
VL_FATAL_MT(__FILE__, __LINE__, "",
"vpi_release_handle() called on same object twice, or on non-Verilator "
"VPI object");
}
#endif
*(reinterpret_cast<void**>(oldp)) = t_freeHead;
t_freeHead = oldp;
}