gpointer
mono_get_throw_exception_by_name (void)
{
+#ifdef MONO_ARCH_HAVE_THROW_EXCEPTION_BY_NAME
+
gpointer code = NULL;
#ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
guint32 code_size;
throw_exception_by_name_func = code;
+#else
+
+ throw_exception_by_name_func = NULL;
+
+ g_assert_not_reached ();
+#endif
+
return throw_exception_by_name_func;
}
* A version of mono_find_jit_info which returns all data in the StackFrameInfo
* structure.
*/
-static gboolean
+gboolean
mono_find_jit_info_ext (MonoDomain *domain, MonoJitTlsData *jit_tls,
MonoJitInfo *prev_ji, MonoContext *ctx,
MonoContext *new_ctx, char **trace, MonoLMF **lmf,
return ji;
}
+ /* maybe it is shared code, so we also search in the root domain */
+ if (domain != mono_get_root_domain ()) {
+ ji = mono_jit_info_table_find (mono_get_root_domain (), addr);
+ if (ji) {
+ if (out_domain)
+ *out_domain = mono_get_root_domain ();
+ return ji;
+ }
+ }
+
for (l = t->appdomain_refs; l; l = l->next) {
if (l->data != domain) {
ji = mono_jit_info_table_find ((MonoDomain*)l->data, addr);
* @test_only: only test if the exception is caught, but dont call handlers
* @out_filter_idx: out parameter. if test_only is true, set to the index of
* the first filter clause which caught the exception.
+ * @resume: whenever to resume unwinding based on the state in MonoJitTlsData.
*/
static gboolean
-mono_handle_exception_internal (MonoContext *ctx, gpointer obj, gpointer original_ip, gboolean test_only, gint32 *out_filter_idx, MonoJitInfo **out_ji)
+mono_handle_exception_internal (MonoContext *ctx, gpointer obj, gpointer original_ip, gboolean test_only, gboolean resume, gint32 *out_filter_idx, MonoJitInfo **out_ji)
{
MonoDomain *domain = mono_domain_get ();
MonoJitInfo *ji, rji;
if (mono_trace_is_enabled ())
g_print ("[%p:] EXCEPTION handling: %s\n", (void*)GetCurrentThreadId (), mono_object_class (obj)->name);
mono_profiler_exception_thrown (obj);
- if (!mono_handle_exception_internal (&ctx_cp, obj, original_ip, TRUE, &first_filter_idx, out_ji)) {
+ if (!mono_handle_exception_internal (&ctx_cp, obj, original_ip, TRUE, FALSE, &first_filter_idx, out_ji)) {
if (mono_break_on_exc)
G_BREAKPOINT ();
// FIXME: This runs managed code so it might cause another stack overflow when
MonoClass *catch_class = get_exception_catch_class (ei, ji, ctx);
if ((ei->flags == MONO_EXCEPTION_CLAUSE_NONE) || (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER)) {
- /* store the exception object in bp + ei->exvar_offset */
- *((gpointer *)(gpointer)((char *)MONO_CONTEXT_GET_BP (ctx) + ei->exvar_offset)) = obj;
+ if (ji->from_llvm) {
+#ifdef MONO_CONTEXT_SET_LLVM_EXC_REG
+ MONO_CONTEXT_SET_LLVM_EXC_REG (ctx, obj);
+#else
+ g_assert_not_reached ();
+#endif
+ } else {
+ /* store the exception object in bp + ei->exvar_offset */
+ *((gpointer *)(gpointer)((char *)MONO_CONTEXT_GET_BP (ctx) + ei->exvar_offset)) = obj;
+ }
}
if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
mono_debugger_call_exception_handler (ei->handler_start, MONO_CONTEXT_GET_SP (ctx), obj);
mono_perfcounters->exceptions_finallys++;
*(mono_get_lmf_addr ()) = lmf;
- call_filter (ctx, ei->handler_start);
+ if (ji->from_llvm) {
+ /*
+ * LLVM compiled finally handlers follow the design
+ * of the c++ ehabi, i.e. they call a resume function
+ * at the end instead of returning to the caller.
+ * So save the exception handling state,
+ * mono_resume_unwind () will call us again to continue
+ * the unwinding.
+ */
+ MONO_CONTEXT_SET_IP (ctx, ei->handler_start);
+ *(mono_get_lmf_addr ()) = lmf;
+ jit_tls->ex_ctx = new_ctx;
+ jit_tls->ex_obj = obj;
+ return 0;
+ } else {
+ call_filter (ctx, ei->handler_start);
+ }
}
}
* The debugger wants us to stop only if this exception is user-unhandled.
*/
- ret = mono_handle_exception_internal (&ctx_cp, obj, MONO_CONTEXT_GET_IP (ctx), TRUE, NULL, &ji);
+ ret = mono_handle_exception_internal (&ctx_cp, obj, MONO_CONTEXT_GET_IP (ctx), TRUE, FALSE, NULL, &ji);
if (ret && (ji != NULL) && (ji->method->wrapper_type == MONO_WRAPPER_RUNTIME_INVOKE)) {
/*
* The exception is handled in a runtime-invoke wrapper, that means that it's unhandled
if (!test_only)
mono_perfcounters->exceptions_thrown++;
- return mono_handle_exception_internal (ctx, obj, original_ip, test_only, NULL, NULL);
+ return mono_handle_exception_internal (ctx, obj, original_ip, test_only, FALSE, NULL, NULL);
}
#ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
handling_sigsegv = TRUE;
/* !jit_tls means the thread was not registered with the runtime */
- if (jit_tls) {
+ if (jit_tls && mono_thread_internal_current ()) {
fprintf (stderr, "Stacktrace:\n\n");
mono_jit_walk_stack (print_stack_frame, TRUE, stderr);
abort ();
}
-/*
- * mono_print_thread_dump:
- *
- * Print information about the current thread to stdout.
- * SIGCTX can be NULL, allowing this to be called from gdb.
- */
-void
-mono_print_thread_dump (void *sigctx)
+static void
+mono_print_thread_dump_internal (void *sigctx, MonoContext *start_ctx)
{
MonoInternalThread *thread = mono_thread_internal_current ();
#if defined(__i386__) || defined(__x86_64__)
#endif
#ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
- if (!sigctx)
+ if (start_ctx) {
+ memcpy (&ctx, start_ctx, sizeof (MonoContext));
+ } else if (!sigctx)
MONO_INIT_CONTEXT_FROM_FUNC (&ctx, mono_print_thread_dump);
else
mono_arch_sigctx_to_monoctx (sigctx, &ctx);
g_string_free (text, TRUE);
fflush (stdout);
}
+
+/*
+ * mono_print_thread_dump:
+ *
+ * Print information about the current thread to stdout.
+ * SIGCTX can be NULL, allowing this to be called from gdb.
+ */
+void
+mono_print_thread_dump (void *sigctx)
+{
+ mono_print_thread_dump_internal (sigctx, NULL);
+}
+
+void
+mono_print_thread_dump_from_ctx (MonoContext *ctx)
+{
+ mono_print_thread_dump_internal (NULL, ctx);
+}
+
+/*
+ * mono_resume_unwind:
+ *
+ * This is called by code at the end of LLVM compiled finally clauses to continue
+ * unwinding.
+ */
+void
+mono_resume_unwind (void)
+{
+ MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
+ static void (*restore_context) (MonoContext *);
+ MonoContext ctx;
+
+ memcpy (&ctx, &jit_tls->ex_ctx, sizeof (MonoContext));
+
+ mono_handle_exception_internal (&ctx, jit_tls->ex_obj, NULL, FALSE, TRUE, NULL, NULL);
+
+ if (!restore_context)
+ restore_context = mono_get_restore_context ();
+
+ restore_context (&ctx);
+}
projects / mono.git / blobdiff