@@ -17,6 +17,7 @@ arguments.
@menu
* Memory Allocation Probes:: Probes in the memory allocation subsystem
* Mathematical Function Probes:: Probes in mathematical functions
+* setjmp and longjmp Probes:: Probes in setjmp and longjmp
@end menu
@node Memory Allocation Probes
@@ -368,3 +369,42 @@ results in multiple precision computation with precision 32. Argument
@var{$arg1} is the input to the function, @var{$arg2} is the error bound of
@var{$arg1} and @var{$arg3} is the computed result.
@end deftp
+
+@node setjmp and longjmp Probes
+@section setjmp and longjmp Probes
+
+These probes are used to signal calls to @code{setjmp}, @code{sigsetjmp}
+or @code{longjmp}.
+
+@deftp Probe setjmp (void *@var{$arg1}, int @var{$arg2}, void *@var{$arg3})
+This probe is hit whenever @code{setjmp} or @code{sigsetjmp} is called.
+Argument @var{$arg1} is a pointer to the @code{jmp_buf} passed as the first
+argument of @code{setjmp} or @code{sigsetjmp}, @var{$arg2} is the second
+argument of @code{sigsetjmp} or zero if this is a call to @code{setjmp}
+and @var{$arg3} is a pointer to the return address that will be stored
+in the @code{jmp_buf}.
+@end deftp
+
+@deftp Probe longjmp (void *@var{$arg1}, int @var{$arg2}, void *@var{$arg3})
+This probe is hit whenever @code{longjmp} is called. Argument @var{$arg1}
+is a pointer to the @code{jmp_buf} passed as the first argument of
+@code{longjmp}, @var{$arg2} is the return value passed as the second
+argument of @code{longjmp} and @var{$arg3} is a pointer to the return
+address @code{longjmp} will return to.
+
+The longjmp probe is hit at a point where the registers have not yet been
+restored to the values in the @code{jmp_buf} and unwinding will show a
+call stack including the caller of @code{longjmp}.
+@end deftp
+
+@deftp Probe longjmp_target (void *@var{$arg1}, int @var{$arg2}, void *@var{$arg3})
+This probe is hit whenever @code{longjmp} is called. Argument @var{$arg1}
+is a pointer to the @code{jmp_buf} passed as the first argument of
+@code{longjmp}, @var{$arg2} is the return value passed as the second
+argument of @code{longjmp} and @var{$arg3} is a pointer to the return
+address @code{longjmp} will return to.
+
+The longjmp_target probe is hit at a point where the registers have been
+restored to the values in the @code{jmp_buf} and unwinding will show a
+call stack including the caller of @code{setjmp} or @code{sigsetjmp}.
+@end deftp