* any OS-dependent special low-level handling for signals
*/
-
-#if defined LISP_FEATURE_GENCGC
-
/*
- * The GENCGC needs to be hooked into whatever signal is raised for
+ * The GC needs to be hooked into whatever signal is raised for
* page fault on this OS.
*/
static void
sigsegv_handler(int signal, siginfo_t *info, void* void_context)
{
os_context_t *context = arch_os_get_context(&void_context);
- void* fault_addr = (void*)info->si_addr;
- if (!gencgc_handle_wp_violation(fault_addr))
- if(!handle_guard_page_triggered(context,fault_addr))
-#ifdef LISP_FEATURE_C_STACK_IS_CONTROL_STACK
- arrange_return_to_lisp_function(context, SymbolFunction(MEMORY_FAULT_ERROR));
-#else
- interrupt_handle_now(signal, info, context);
-#endif
-}
-
-#else
-
-static void
-sigsegv_handler(int signal, siginfo_t *info, void* void_context)
-{
- os_context_t *context = arch_os_get_context(&void_context);
- os_vm_address_t addr = arch_get_bad_addr(signal,info,context);
+ os_vm_address_t addr = arch_get_bad_addr(signal, info, context);
#ifdef LISP_FEATURE_ALPHA
/* Alpha stuff: This is the end of a pseudo-atomic section during
At the end of the atomic section we tried to write to reg_ALLOC,
got a SIGSEGV (there's nothing mapped there) so ended up here. */
if (addr != NULL &&
- *os_context_register_addr(context,reg_ALLOC) & (1L<<63)){
- *os_context_register_addr(context,reg_ALLOC) -= (1L<<63);
+ *os_context_register_addr(context, reg_ALLOC) & (1L<<63)) {
+ *os_context_register_addr(context, reg_ALLOC) -= (1L<<63);
interrupt_handle_pending(context);
return;
}
#endif
- if(!interrupt_maybe_gc(signal, info, context))
- if(!handle_guard_page_triggered(context,addr))
+#ifdef LISP_FEATURE_GENCGC
+ if (!gencgc_handle_wp_violation(addr))
+#else
+ if (!interrupt_maybe_gc(signal, info, context))
+#endif
+ if (!handle_guard_page_triggered(context, addr))
+#ifdef LISP_FEATURE_C_STACK_IS_CONTROL_STACK
+ arrange_return_to_lisp_function(context, SymbolFunction(MEMORY_FAULT_ERROR));
+#else
interrupt_handle_now(signal, info, context);
-}
#endif
+}
void
os_install_interrupt_handlers(void)