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fixed setSignal and added catch all exception implementation #10

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merged 7 commits into from
May 30, 2024
Merged

fixed setSignal and added catch all exception implementation #10

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07db62f
fix setSignal
epessoa-i Mar 28, 2024
dc73a57
add TypeScript definition for all the exported functions
epessoa-i Mar 28, 2024
4ae6c4f
fix vscode cpp includePath config
Mar 28, 2024
480a347
add exception_all option to setSignal
Mar 28, 2024
a204fa3
add TypeScript declaration for the exception constants
Mar 28, 2024
096aacf
Merge branch 'master' into patch-1
raub May 30, 2024
1fbc724
Fix line size
raub May 30, 2024
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3 changes: 2 additions & 1 deletion .vscode/c_cpp_properties.json
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,8 @@
{
"name": "Win32",
"includePath": [
"${workspaceFolder}/**",
"${workspaceFolder}/src/cpp",
"${workspaceFolder}/node_modules/addon-tools-raub/include",
"${workspaceFolder}/node_modules/node-addon-api",
"${LocalAppData}/node-gyp/Cache/20.14.0/include/node"
],
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61 changes: 61 additions & 0 deletions index.d.ts
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Expand Up @@ -4,4 +4,65 @@ declare module "segfault-raub" {
* Issue an actual segfault, accessing some unavailable memory
*/
export const causeSegfault: () => void;
export const causeDivisionInt: () => void;
export const causeOverflow: () => void;
export const causeIllegal: () => void;

// enable / disable signal handlers
export const setSignal: (signalId: number | null, value: boolean) => void;

// windows constants
export const EXCEPTION_ALL: number | null;
export const EXCEPTION_ACCESS_VIOLATION: number | null;
export const EXCEPTION_DATATYPE_MISALIGNMENT: number | null;
export const EXCEPTION_BREAKPOINT: number | null;
export const EXCEPTION_SINGLE_STEP: number | null;
export const EXCEPTION_ARRAY_BOUNDS_EXCEEDED: number | null;
export const EXCEPTION_FLT_DENORMAL_OPERAND: number | null;
export const EXCEPTION_FLT_DIVIDE_BY_ZERO: number | null;
export const EXCEPTION_FLT_INEXACT_RESULT: number | null;
export const EXCEPTION_FLT_INVALID_OPERATION: number | null;
export const EXCEPTION_FLT_OVERFLOW: number | null;
export const EXCEPTION_FLT_STACK_CHECK: number | null;
export const EXCEPTION_FLT_UNDERFLOW: number | null;
export const EXCEPTION_INT_DIVIDE_BY_ZERO: number | null;
export const EXCEPTION_INT_OVERFLOW: number | null;
export const EXCEPTION_PRIV_INSTRUCTION: number | null;
export const EXCEPTION_IN_PAGE_ERROR: number | null;
export const EXCEPTION_ILLEGAL_INSTRUCTION: number | null;
export const EXCEPTION_NONCONTINUABLE_EXCEPTION: number | null;
export const EXCEPTION_STACK_OVERFLOW: number | null;
export const EXCEPTION_INVALID_DISPOSITION: number | null;
export const EXCEPTION_GUARD_PAGE: number | null;
export const EXCEPTION_INVALID_HANDLE: number | null;
export const STATUS_STACK_BUFFER_OVERRUN: number | null;

// linux constants
export const SIGABRT: number | null;
export const SIGFPE: number | null;
export const SIGSEGV: number | null;
export const SIGTERM: number | null;
export const SIGILL: number | null;
export const SIGINT: number | null;
export const SIGALRM: number | null;
export const SIGBUS: number | null;
export const SIGCHLD: number | null;
export const SIGCONT: number | null;
export const SIGHUP: number | null;
export const SIGKILL: number | null;
export const SIGPIPE: number | null;
export const SIGQUIT: number | null;
export const SIGSTOP: number | null;
export const SIGTSTP: number | null;
export const SIGTTIN: number | null;
export const SIGTTOU: number | null;
export const SIGUSR1: number | null;
export const SIGUSR2: number | null;
export const SIGPROF: number | null;
export const SIGSYS: number | null;
export const SIGTRAP: number | null;
export const SIGURG: number | null;
export const SIGVTALRM: number | null;
export const SIGXCPU: number | null;
export const SIGXFSZ: number | null;
}
21 changes: 18 additions & 3 deletions src/cpp/segfault-handler.cpp
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Expand Up @@ -47,6 +47,8 @@ time_t timeInfo;

const std::map<uint32_t, std::string> signalNames = {
#ifdef _WIN32
#define EXCEPTION_ALL 0x0
{ EXCEPTION_ALL, "CAPTURE ALL THE EXCEPTIONS" },
{ EXCEPTION_ACCESS_VIOLATION, "ACCESS_VIOLATION" },
{ EXCEPTION_DATATYPE_MISALIGNMENT, "DATATYPE_MISALIGNMENT" },
{ EXCEPTION_BREAKPOINT, "BREAKPOINT" },
Expand All @@ -69,6 +71,8 @@ const std::map<uint32_t, std::string> signalNames = {
{ EXCEPTION_INVALID_DISPOSITION, "INVALID_DISPOSITION" },
{ EXCEPTION_GUARD_PAGE, "GUARD_PAGE" },
{ EXCEPTION_INVALID_HANDLE, "INVALID_HANDLE" },
{ STATUS_STACK_BUFFER_OVERRUN, "STACK_BUFFER_OVERRUN" },
// { EXCEPTION_POSSIBLE_DEADLOCK, "POSSIBLE_DEADLOCK" },
#else
{ SIGABRT, "SIGABRT" },
{ SIGFPE, "SIGFPE" },
Expand Down Expand Up @@ -103,6 +107,7 @@ const std::map<uint32_t, std::string> signalNames = {

std::map<uint32_t, bool> signalActivity = {
#ifdef _WIN32
{ EXCEPTION_ALL, false },
{ EXCEPTION_ACCESS_VIOLATION, true },
{ EXCEPTION_ARRAY_BOUNDS_EXCEEDED, true },
{ EXCEPTION_FLT_DIVIDE_BY_ZERO, true },
Expand All @@ -125,6 +130,8 @@ std::map<uint32_t, bool> signalActivity = {
{ EXCEPTION_IN_PAGE_ERROR, false },
{ EXCEPTION_INVALID_DISPOSITION, false },
{ EXCEPTION_GUARD_PAGE, false },
{ STATUS_STACK_BUFFER_OVERRUN, false },
// { EXCEPTION_POSSIBLE_DEADLOCK, false },
#else
{ SIGABRT, true },
{ SIGFPE, true },
Expand Down Expand Up @@ -159,7 +166,9 @@ std::map<uint32_t, bool> signalActivity = {

static inline bool _isSignalEnabled(uint32_t signalId) {
#ifdef _WIN32
return (signalNames.count(signalId) && signalActivity.count(signalId) && signalActivity[signalId]);
return signalActivity[EXCEPTION_ALL] || (
signalNames.count(signalId) && signalActivity.count(signalId) && signalActivity[signalId]
);
#else
return true;
#endif
Expand Down Expand Up @@ -228,8 +237,14 @@ static inline void _writeTimeToFile(std::ofstream &outfile) {
}

static inline void _writeHeaderToOstream(std::ostream &stream, int pid, uint32_t signalId, uint64_t address) {
std::string signalName;
if (signalNames.count(signalId)) {
signalName = signalNames.at(signalId);
} else {
signalName = std::to_string(signalId);
}
stream
<< "\nPID " << pid << " received " << signalNames.at(signalId)
<< "\nPID " << pid << " received " << signalName
<< " for address: 0x" << std::hex << address << std::endl;
}

Expand Down Expand Up @@ -366,7 +381,7 @@ DBG_EXPORT JS_METHOD(setSignal) { NAPI_ENV;
}

LET_INT32_ARG(0, signalId);
LET_BOOL_ARG(0, value);
LET_BOOL_ARG(1, value);

if (!signalNames.count(signalId)) {
RET_UNDEFINED;
Expand Down