+2003-02-11 Geoffrey Keating <geoffk@apple.com>
+
+ * config/rs6000/host-darwin.c: Fix comment.
+
2003-02-11 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.md (divmodsi4): Use register_operand
#undef HOST_HOOKS_EXTRA_SIGNALS
#define HOST_HOOKS_EXTRA_SIGNALS darwin_rs6000_extra_signals
-/* On Darwin/powerpc, a stack fault can be detected as a SIGSEGV that
- faulted on an instruction that's either
- or
- stwux %r1,xxx,%r1
-*/
+/* On Darwin/powerpc, hitting the stack limit turns into a SIGSEGV.
+ This code detects the difference between hitting the stack limit and
+ a true wild pointer dereference by looking at the instruction that
+ faulted; only a few kinds of instruction are used to access below
+ the previous bottom of the stack. */
static void
segv_crash_handler (sig)