*
* -dan 2001.08.09 */
-#if (defined(sparc) && defined (solaris))
+#if (defined(LISP_FEATURE_SPARC) && defined (solaris))
undo_fake_foreign_function_call(context);
#endif
arch_do_displaced_inst(context, orig_inst);
}
}
}
-/* FIXME: I can see no really good reason these couldn't be merged, but haven't
- * tried. The sigprocmask() call would work just as well on alpha as it
- * presumably does on x86 -dan 2001.08.10
- */
-#if !(defined(LISP_FEATURE_X86) || defined(LISP_FEATURE_X86_64))
-void handle_breakpoint(int signal, siginfo_t *info, os_context_t *context)
-{
- lispobj code;
-
- fake_foreign_function_call(context);
- code = find_code(context);
- /* FIXME we're calling into Lisp with signals masked here. Is this
- * the right thing to do? */
- funcall3(SymbolFunction(HANDLE_BREAKPOINT),
- compute_offset(context, code),
- code,
- alloc_sap(context));
-
- undo_fake_foreign_function_call(context);
-}
-#else
void handle_breakpoint(int signal, siginfo_t* info, os_context_t *context)
{
lispobj code, context_sap = alloc_sap(context);
undo_fake_foreign_function_call(context);
}
-#endif
#if !(defined(LISP_FEATURE_X86) || defined(LISP_FEATURE_X86_64))
void *handle_fun_end_breakpoint(int signal, siginfo_t *info,
code = find_code(context);
codeptr = (struct code *)native_pointer(code);
- /* FIXME again, calling into Lisp with signals masked. Is this
- * sensible? */
+ /* Don't disallow recursive breakpoint traps. Otherwise, we can't
+ * use debugger breakpoints anywhere in here. */
+ sigprocmask(SIG_SETMASK, os_context_sigmask_addr(context), 0);
+
funcall3(SymbolFunction(HANDLE_BREAKPOINT),
compute_offset(context, code),
code,