namespace llvm {
class raw_ostream;
- /// DisablePrettyStackTrace - Set this to true to disable this module. This
- /// might be necessary if the host application installs its own signal
- /// handlers which conflict with the ones installed by this module.
- /// Defaults to false.
- extern bool DisablePrettyStackTrace;
+ void EnablePrettyStackTrace();
/// PrettyStackTraceEntry - This class is used to represent a frame of the
/// "pretty" stack trace that is dumped when a program crashes. You can define
/// virtual stack trace. This gets dumped out if the program crashes.
class PrettyStackTraceEntry {
const PrettyStackTraceEntry *NextEntry;
- PrettyStackTraceEntry(const PrettyStackTraceEntry &) LLVM_DELETED_FUNCTION;
- void operator=(const PrettyStackTraceEntry&) LLVM_DELETED_FUNCTION;
+ PrettyStackTraceEntry(const PrettyStackTraceEntry &) = delete;
+ void operator=(const PrettyStackTraceEntry&) = delete;
public:
PrettyStackTraceEntry();
virtual ~PrettyStackTraceEntry();
const char *Str;
public:
PrettyStackTraceString(const char *str) : Str(str) {}
- virtual void print(raw_ostream &OS) const;
+ void print(raw_ostream &OS) const override;
};
/// PrettyStackTraceProgram - This object prints a specified program arguments
const char *const *ArgV;
public:
PrettyStackTraceProgram(int argc, const char * const*argv)
- : ArgC(argc), ArgV(argv) {}
- virtual void print(raw_ostream &OS) const;
+ : ArgC(argc), ArgV(argv) {
+ EnablePrettyStackTrace();
+ }
+ void print(raw_ostream &OS) const override;
};
+ /// Returns the topmost element of the "pretty" stack state.
+ const void* SavePrettyStackState();
+
+ /// Restores the topmost element of the "pretty" stack state to State, which
+ /// should come from a previous call to SavePrettyStackState(). This is
+ /// useful when using a CrashRecoveryContext in code that also uses
+ /// PrettyStackTraceEntries, to make sure the stack that's printed if a crash
+ /// happens after a crash that's been recovered by CrashRecoveryContext
+ /// doesn't have frames on it that were added in code unwound by the
+ /// CrashRecoveryContext.
+ void RestorePrettyStackState(const void* State);
+
} // end namespace llvm
#endif