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add SEH exception name to exception message

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This commit is contained in:
Arnaud Kleinpeter 2024-11-08 15:32:52 +01:00
parent d144031940
commit c13a884047
1 changed files with 58 additions and 1 deletions
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59
googletest/src/gtest.cc
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@ -889,11 +889,68 @@ bool UnitTestOptions::FilterMatchesTest(const std::string& test_suite_name,
}
#if GTEST_HAS_SEH
static std::string GetSEHExceptionName(const DWORD exception_code) {
static const std::unordered_map<DWORD, std::string> seh_messages = {
{EXCEPTION_ACCESS_VIOLATION, "Access violation (invalid memory access)"},
{EXCEPTION_ARRAY_BOUNDS_EXCEEDED, "Array bounds exceeded"},
{EXCEPTION_BREAKPOINT, "Breakpoint encountered"},
{EXCEPTION_DATATYPE_MISALIGNMENT, "Data misalignment"},
{EXCEPTION_FLT_DENORMAL_OPERAND, "Floating-point denormal operand"},
{EXCEPTION_FLT_DIVIDE_BY_ZERO, "Floating-point divide by zero"},
{EXCEPTION_FLT_INEXACT_RESULT, "Floating-point inexact result"},
{EXCEPTION_FLT_INVALID_OPERATION, "Floating-point invalid operation"},
{EXCEPTION_FLT_OVERFLOW, "Floating-point overflow"},
{EXCEPTION_FLT_STACK_CHECK, "Floating-point stack check"},
{EXCEPTION_FLT_UNDERFLOW, "Floating-point underflow"},
{EXCEPTION_ILLEGAL_INSTRUCTION, "Illegal instruction"},
{EXCEPTION_IN_PAGE_ERROR, "Page not found or access denied"},
{EXCEPTION_INT_DIVIDE_BY_ZERO, "Integer divide by zero"},
{EXCEPTION_INT_OVERFLOW, "Integer overflow"},
{EXCEPTION_INVALID_DISPOSITION, "Invalid disposition"},
{EXCEPTION_NONCONTINUABLE_EXCEPTION, "Noncontinuable exception"},
{EXCEPTION_PRIV_INSTRUCTION, "Privileged instruction"},
{EXCEPTION_SINGLE_STEP, "Single step"},
{EXCEPTION_STACK_OVERFLOW, "Stack overflow"}};
// Check if we have a custom message for the code
const auto it = seh_messages.find(exception_code);
if (it != seh_messages.end()) {
return it->second;
}
// Fallback to system message if available
LPVOID message_buffer;
const DWORD buffer_size = FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
nullptr, exception_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR)&message_buffer, 0, nullptr);
if (buffer_size) {
std::wstring message((LPTSTR)message_buffer, buffer_size);
LocalFree(message_buffer);
int size_needed =
WideCharToMultiByte(CP_UTF8, 0, message.c_str(), (int)message.size(),
nullptr, 0, nullptr, nullptr);
std::string str(size_needed, 0);
WideCharToMultiByte(CP_UTF8, 0, message.c_str(), (int)message.size(),
&str[0], size_needed, nullptr, nullptr);
return str;
}
return "Unknown SEH exception";
}
static std::string FormatSehExceptionMessage(DWORD exception_code,
const char* location) {
const std::string messageText = GetSEHExceptionName(exception_code);
Message message;
message << "SEH exception with code 0x" << std::setbase(16) << exception_code
<< std::setbase(10) << " thrown in " << location << ".";
<< std::setbase(10) << " - " << messageText << " thrown in "
<< location << ".";
return message.GetString();
}