#include <mono/metadata/exception.h>
#include <mono/metadata/gc-internal.h>
#include <mono/metadata/mono-debug.h>
+#include <mono/metadata/mono-debug-debugger.h>
#include "mini.h"
#endif /* mono_find_jit_info */
+MonoString *
+ves_icall_System_Exception_get_trace (MonoException *ex)
+{
+ MonoDomain *domain = mono_domain_get ();
+ MonoString *res;
+ MonoArray *ta = ex->trace_ips;
+ int i, len;
+ GString *trace_str;
+ char tmpaddr [256];
+
+ if (ta == NULL)
+ /* Exception is not thrown yet */
+ return NULL;
+
+ len = mono_array_length (ta);
+ trace_str = g_string_new ("");
+ for (i = 0; i < len; i++) {
+ MonoJitInfo *ji;
+ gpointer ip = mono_array_get (ta, gpointer, i);
+
+ ji = mono_jit_info_table_find (domain, ip);
+ if (ji == NULL) {
+ /* Unmanaged frame */
+ g_string_append_printf (trace_str, "in (unmanaged) %p\n", ip);
+ } else {
+ char *source_location, *fname;
+ gint32 address, iloffset;
+
+ address = (char *)ip - (char *)ji->code_start;
+
+ source_location = mono_debug_source_location_from_address (ji->method, address, NULL, ex->object.vtable->domain);
+ iloffset = mono_debug_il_offset_from_address (ji->method, address, ex->object.vtable->domain);
+
+ if (iloffset < 0)
+ sprintf (tmpaddr, "<0x%05x>", address);
+ else
+ sprintf (tmpaddr, "[0x%05x]", iloffset);
+
+ fname = mono_method_full_name (ji->method, TRUE);
+
+ if (source_location)
+ g_string_append_printf (trace_str, "in %s (at %s) %s\n", tmpaddr, source_location, fname);
+ else
+ g_string_append_printf (trace_str, "in %s %s\n", tmpaddr, fname);
+
+ g_free (fname);
+ g_free (source_location);
+ }
+ }
+
+ res = mono_string_new (ex->object.vtable->domain, trace_str->str);
+ g_string_free (trace_str, TRUE);
+
+ return res;
+}
+
MonoArray *
ves_icall_get_trace (MonoException *exc, gint32 skip, MonoBoolean need_file_info)
{
return res;
}
-
/**
* mono_walk_stack:
* @domain: starting appdomain
static void (*restore_context) (void *);
MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
MonoLMF *lmf = jit_tls->lmf;
+ MonoArray *initial_trace_ips = NULL;
GList *trace_ips = NULL;
MonoException *mono_ex;
gboolean stack_overflow = FALSE;
MonoContext initial_ctx;
int frame_count = 0;
gboolean gc_disabled = FALSE;
- MonoString *initial_stack_trace = NULL;
- GString *trace_str = NULL;
+ gboolean has_dynamic_methods = FALSE;
/*
* This function might execute on an alternate signal stack, and Boehm GC
if (mono_object_isinst (obj, mono_defaults.exception_class)) {
mono_ex = (MonoException*)obj;
- initial_stack_trace = mono_ex->stack_trace;
+ initial_trace_ips = mono_ex->trace_ips;
} else {
mono_ex = NULL;
}
while (1) {
MonoContext new_ctx;
- char *trace = NULL;
- gboolean need_trace = FALSE;
guint32 free_stack;
- if (test_only && (frame_count < 1000) && !initial_stack_trace && mono_ex) {
- need_trace = TRUE;
- if (!trace_str)
- trace_str = g_string_new ("");
- }
-
ji = mono_find_jit_info (domain, jit_tls, &rji, &rji, ctx, &new_ctx,
- need_trace ? &trace : NULL, &lmf, NULL, NULL);
+ NULL, &lmf, NULL, NULL);
if (!ji) {
g_warning ("Exception inside function without unwind info");
g_assert_not_reached ();
* rethrown. Also avoid giant stack traces during a stack
* overflow.
*/
- if (!initial_stack_trace && (frame_count < 1000)) {
+ if (!initial_trace_ips && (frame_count < 1000)) {
trace_ips = g_list_prepend (trace_ips, MONO_CONTEXT_GET_IP (ctx));
-
- g_string_append (trace_str, trace);
- g_string_append_c (trace_str, '\n');
}
}
+ if (ji->method->dynamic)
+ has_dynamic_methods = TRUE;
+
if (stack_overflow)
free_stack = (guint8*)(MONO_CONTEXT_GET_BP (ctx)) - (guint8*)(MONO_CONTEXT_GET_BP (&initial_ctx));
else
if ((free_stack > (64 * 1024)) && ji->num_clauses) {
int i;
- g_assert (ji->clauses);
-
for (i = 0; i < ji->num_clauses; i++) {
MonoJitExceptionInfo *ei = &ji->clauses [i];
gboolean filtered = FALSE;
/* store the exception object int cfg->excvar */
g_assert (ei->exvar_offset);
*((gpointer *)((char *)MONO_CONTEXT_GET_BP (ctx) + ei->exvar_offset)) = obj;
- if (!initial_stack_trace && trace_str) {
- mono_ex->stack_trace = mono_string_new (domain, trace_str->str);
- }
}
if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
if ((ei->flags == MONO_EXCEPTION_CLAUSE_NONE &&
mono_object_isinst (obj, ei->data.catch_class)) || filtered) {
if (test_only) {
- if (mono_ex) {
+ if (mono_ex && !initial_trace_ips) {
trace_ips = g_list_reverse (trace_ips);
mono_ex->trace_ips = glist_to_array (trace_ips, mono_defaults.int_class);
+ if (has_dynamic_methods)
+ /* These methods could go away anytime, so compute the stack trace now */
+ mono_ex->stack_trace = ves_icall_System_Exception_get_trace (mono_ex);
}
g_list_free (trace_ips);
- g_free (trace);
if (gc_disabled)
mono_gc_enable ();
- if (trace_str)
- g_string_free (trace_str, TRUE);
return TRUE;
}
if (mono_jit_trace_calls != NULL && mono_trace_eval (ji->method))
mono_debugger_handle_exception (ei->handler_start, MONO_CONTEXT_GET_SP (ctx), obj);
MONO_CONTEXT_SET_IP (ctx, ei->handler_start);
jit_tls->lmf = lmf;
- g_free (trace);
if (gc_disabled)
mono_gc_enable ();
- if (trace_str)
- g_string_free (trace_str, TRUE);
return 0;
}
if (!test_only && ei->try_start <= MONO_CONTEXT_GET_IP (ctx) &&
}
}
- g_free (trace);
-
*ctx = new_ctx;
if ((ji == (gpointer)-1) || MONO_CONTEXT_GET_BP (ctx) >= jit_tls->end_of_stack) {
/* Switch back to normal stack */
if (stack_overflow)
/* Free up some stack space */
- MONO_CONTEXT_SET_SP (&initial_ctx, (guint32)(MONO_CONTEXT_GET_SP (&initial_ctx)) + (64 * 1024));
- MONO_CONTEXT_SET_IP (&initial_ctx, (unsigned int)jit_tls->abort_func);
+ MONO_CONTEXT_SET_SP (&initial_ctx, (gssize)(MONO_CONTEXT_GET_SP (&initial_ctx)) + (64 * 1024));
+ MONO_CONTEXT_SET_IP (&initial_ctx, (gssize)jit_tls->abort_func);
restore_context (&initial_ctx);
}
else
jit_tls->abort_func (obj);
g_assert_not_reached ();
} else {
- if (mono_ex) {
+ if (mono_ex && !initial_trace_ips) {
trace_ips = g_list_reverse (trace_ips);
mono_ex->trace_ips = glist_to_array (trace_ips, mono_defaults.int_class);
+ if (has_dynamic_methods)
+ /* These methods could go away anytime, so compute the stack trace now */
+ mono_ex->stack_trace = ves_icall_System_Exception_get_trace (mono_ex);
}
g_list_free (trace_ips);
- if (trace_str)
- g_string_free (trace_str, TRUE);
return FALSE;
}
}