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Fix MSVC backtrace, from bb979a00

This commit is contained in:
Wilson Snyder 2026-02-02 21:00:56 -05:00
parent 76c4ae5683
commit 0fcc68e4b8
1 changed files with 5 additions and 5 deletions
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10
include/verilated.cpp
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@ -1957,27 +1957,27 @@ std::string VL_STACKTRACE_N() VL_MT_SAFE {
static VerilatedMutex s_stackTraceMutex;
const VerilatedLockGuard lock{s_stackTraceMutex};
#ifdef _VL_HAVE_STACKTRACE
int nptrs = 0;
char** strings = nullptr;
#ifdef _VL_HAVE_STACKTRACE
constexpr int BT_BUF_SIZE = 100;
void* buffer[BT_BUF_SIZE];
nptrs = backtrace(buffer, BT_BUF_SIZE);
strings = backtrace_symbols(buffer, nptrs);
#endif
// cppcheck-suppress knownConditionTrueFalse
if (!strings) return "Unable to backtrace\n";
if (!strings) return "Unable to backtrace, call failed\n";
#ifdef _VL_HAVE_STACKTRACE
std::string result = "Backtrace:\n";
for (int j = 0; j < nptrs; ++j)
result += _vl_stacktrace_demangle(std::string{strings[j]} + "\n"s);
#endif
free(strings);
return result;
#else
return "Unable to backtrace; not supported\n";
#endif
}
void VL_STACKTRACE() VL_MT_SAFE {