#ifdef HAVE_SYS_SYSCALL_H
#include <sys/syscall.h>
#endif
+#include <errno.h>
+
#include <mono/metadata/assembly.h>
#include <mono/metadata/loader.h>
#include <mono/utils/mono-logger-internal.h>
#include <mono/utils/mono-mmap.h>
#include <mono/utils/dtrace.h>
+#include <mono/utils/mono-signal-handler.h>
+#include <mono/utils/mono-threads.h>
#include "mini.h"
#include <string.h>
gboolean
-SIG_HANDLER_SIGNATURE (mono_chain_signal)
+MONO_SIG_HANDLER_SIGNATURE (mono_chain_signal)
{
return FALSE;
}
{
}
+pid_t
+mono_runtime_syscall_fork (void)
+{
+ g_assert_not_reached();
+ return 0;
+}
+void
+mono_gdb_render_native_backtraces (pid_t crashed_pid)
+{
+}
#else
* was called, false otherwise.
*/
gboolean
-SIG_HANDLER_SIGNATURE (mono_chain_signal)
+MONO_SIG_HANDLER_SIGNATURE (mono_chain_signal)
{
- int signal = _dummy;
+ int signal = MONO_SIG_HANDLER_GET_SIGNO ();
struct sigaction *saved_handler = get_saved_signal_handler (signal);
- GET_CONTEXT;
-
if (saved_handler && saved_handler->sa_handler) {
if (!(saved_handler->sa_flags & SA_SIGINFO)) {
saved_handler->sa_handler (signal);
} else {
#ifdef MONO_ARCH_USE_SIGACTION
- saved_handler->sa_sigaction (signal, info, ctx);
+ saved_handler->sa_sigaction (MONO_SIG_HANDLER_PARAMS);
#endif /* MONO_ARCH_USE_SIGACTION */
}
return TRUE;
return FALSE;
}
-static void
-SIG_HANDLER_SIGNATURE (sigabrt_signal_handler)
+MONO_SIG_HANDLER_FUNC (static, sigabrt_signal_handler)
{
MonoJitInfo *ji = NULL;
- GET_CONTEXT;
+ MONO_SIG_HANDLER_GET_CONTEXT;
if (mono_thread_internal_current ())
- ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context(ctx));
+ ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
if (!ji) {
- if (mono_chain_signal (SIG_HANDLER_PARAMS))
+ if (mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
return;
mono_handle_native_sigsegv (SIGABRT, ctx);
}
}
-static void
-SIG_HANDLER_SIGNATURE (sigusr1_signal_handler)
+MONO_SIG_HANDLER_FUNC (static, sigusr1_signal_handler)
{
gboolean running_managed;
MonoException *exc;
MonoInternalThread *thread = mono_thread_internal_current ();
MonoDomain *domain = mono_domain_get ();
void *ji;
-
- GET_CONTEXT;
+ MONO_SIG_HANDLER_GET_CONTEXT;
- if (!thread || !domain)
+ if (!thread || !domain) {
/* The thread might not have started up yet */
/* FIXME: Specify the synchronization with start_wrapper () in threads.c */
+ mono_debugger_agent_thread_interrupt (ctx, NULL);
return;
+ }
if (thread->ignore_next_signal) {
thread->ignore_next_signal = FALSE;
mono_arch_handle_exception (ctx, exc);
}
+
#if defined(__i386__) || defined(__x86_64__)
#define FULL_STAT_PROFILER_BACKTRACE 1
#define CURRENT_FRAME_GET_BASE_POINTER(f) (* (gpointer*)(f))
#define FULL_STAT_PROFILER_BACKTRACE 0
#endif
+#ifdef SIGPROF
#if defined(__ia64__) || defined(__sparc__) || defined(sparc) || defined(__s390__) || defined(s390)
-static void
-SIG_HANDLER_SIGNATURE (sigprof_signal_handler)
+MONO_SIG_HANDLER_FUNC (static, sigprof_signal_handler)
{
- if (mono_chain_signal (SIG_HANDLER_PARAMS))
+ if (mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
return;
NOT_IMPLEMENTED;
#else
+static int profiling_signal_in_use;
+
static void
-SIG_HANDLER_SIGNATURE (sigprof_signal_handler)
+per_thread_profiler_hit (void *ctx)
{
int call_chain_depth = mono_profiler_stat_get_call_chain_depth ();
MonoProfilerCallChainStrategy call_chain_strategy = mono_profiler_stat_get_call_chain_strategy ();
- GET_CONTEXT;
-
+
if (call_chain_depth == 0) {
mono_profiler_stat_hit (mono_arch_ip_from_context (ctx), ctx);
} else {
MonoContext mono_context;
guchar *ips [call_chain_depth + 1];
- mono_arch_sigctx_to_monoctx (ctx, &mono_context);
+ mono_sigctx_to_monoctx (ctx, &mono_context);
ips [0] = MONO_CONTEXT_GET_IP (&mono_context);
if (jit_tls != NULL) {
mono_profiler_stat_call_chain (current_frame_index, & ips [0], ctx);
}
+}
+
+MONO_SIG_HANDLER_FUNC (static, sigprof_signal_handler)
+{
+ MonoThreadInfo *info;
+ int old_errno = errno;
+ int hp_save_index;
+ MONO_SIG_HANDLER_GET_CONTEXT;
+
+ if (mono_thread_info_get_small_id () == -1)
+ return; //an non-attached thread got the signal
+
+ if (!mono_domain_get () || !mono_native_tls_get_value (mono_jit_tls_id))
+ return; //thread in the process of dettaching
+
+ hp_save_index = mono_hazard_pointer_save_for_signal_handler ();
+
+ /* If we can't consume a profiling request it means we're the initiator. */
+ if (!(mono_threads_consume_async_jobs () & MONO_SERVICE_REQUEST_SAMPLE)) {
+ FOREACH_THREAD_SAFE (info) {
+ if (mono_thread_info_get_tid (info) == mono_native_thread_id_get ())
+ continue;
+
+ mono_threads_add_async_job (info, MONO_SERVICE_REQUEST_SAMPLE);
+ mono_threads_pthread_kill (info, profiling_signal_in_use);
+ } END_FOREACH_THREAD_SAFE;
+ }
+
+ mono_thread_info_set_is_async_context (TRUE);
+ per_thread_profiler_hit (ctx);
+ mono_thread_info_set_is_async_context (FALSE);
+
+ mono_hazard_pointer_restore_for_signal_handler (hp_save_index);
+ errno = old_errno;
- mono_chain_signal (SIG_HANDLER_PARAMS);
+ mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
}
+#endif
#endif
-static void
-SIG_HANDLER_SIGNATURE (sigquit_signal_handler)
+MONO_SIG_HANDLER_FUNC (static, sigquit_signal_handler)
{
gboolean res;
-
- GET_CONTEXT;
+ MONO_SIG_HANDLER_GET_CONTEXT;
/* We use this signal to start the attach agent too */
res = mono_attach_start ();
mono_print_thread_dump (ctx);
}
- mono_chain_signal (SIG_HANDLER_PARAMS);
+ mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
}
-static void
-SIG_HANDLER_SIGNATURE (sigusr2_signal_handler)
+MONO_SIG_HANDLER_FUNC (static, sigusr2_signal_handler)
{
gboolean enabled = mono_trace_is_enabled ();
mono_trace_enable (!enabled);
- mono_chain_signal (SIG_HANDLER_PARAMS);
+ mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
}
static void
*/
sigemptyset (&signal_set);
sigaddset (&signal_set, mono_thread_get_abort_signal ());
+ if (mono_gc_get_suspend_signal () != -1)
+ sigaddset (&signal_set, mono_gc_get_suspend_signal ());
+ if (mono_gc_get_restart_signal () != -1)
+ sigaddset (&signal_set, mono_gc_get_restart_signal ());
+ sigaddset (&signal_set, SIGCHLD);
sigprocmask (SIG_UNBLOCK, &signal_set, NULL);
signal (SIGPIPE, SIG_IGN);
#endif
}
+#ifdef ITIMER_PROF
+static int
+get_itimer_mode (void)
+{
+ switch (mono_profiler_get_sampling_mode ()) {
+ case MONO_PROFILER_STAT_MODE_PROCESS: return ITIMER_PROF;
+ case MONO_PROFILER_STAT_MODE_REAL: return ITIMER_REAL;
+ }
+ g_assert_not_reached ();
+ return 0;
+}
+
+static int
+get_itimer_signal (void)
+{
+ switch (mono_profiler_get_sampling_mode ()) {
+ case MONO_PROFILER_STAT_MODE_PROCESS: return SIGPROF;
+ case MONO_PROFILER_STAT_MODE_REAL: return SIGALRM;
+ }
+ g_assert_not_reached ();
+ return 0;
+}
+#endif
+
void
mono_runtime_setup_stat_profiler (void)
{
perror ("open /dev/rtc");
return;
}
- add_signal_handler (SIGPROF, sigprof_signal_handler);
+ profiling_signal_in_use = SIGPROF;
+ add_signal_handler (profiling_signal_in_use, sigprof_signal_handler);
if (ioctl (rtc_fd, RTC_IRQP_SET, freq) == -1) {
perror ("set rtc freq");
return;
return;
#endif
- itval.it_interval.tv_usec = 999;
+ itval.it_interval.tv_usec = (1000000 / mono_profiler_get_sampling_rate ()) - 1;
itval.it_interval.tv_sec = 0;
itval.it_value = itval.it_interval;
- setitimer (ITIMER_PROF, &itval, NULL);
if (inited)
return;
inited = 1;
- add_signal_handler (SIGPROF, sigprof_signal_handler);
+ profiling_signal_in_use = get_itimer_signal ();
+ add_signal_handler (profiling_signal_in_use, sigprof_signal_handler);
+ setitimer (get_itimer_mode (), &itval, NULL);
#endif
}
mono_gdb_render_native_backtraces (pid_t crashed_pid)
{
const char *argv [9];
+ char template [] = "/tmp/mono-lldb-commands.XXXXXX";
char buf1 [128];
+ FILE *commands;
+ gboolean using_lldb = FALSE;
argv [0] = g_find_program_in_path ("gdb");
if (argv [0] == NULL) {
- return;
+ argv [0] = g_find_program_in_path ("lldb");
+ using_lldb = TRUE;
}
- argv [1] = "-ex";
- sprintf (buf1, "attach %ld", (long) crashed_pid);
- argv [2] = buf1;
- argv [3] = "--ex";
- argv [4] = "info threads";
- argv [5] = "--ex";
- argv [6] = "thread apply all bt";
- argv [7] = "--batch";
- argv [8] = 0;
+ if (argv [0] == NULL)
+ return;
+
+ if (using_lldb) {
+ if (mkstemp (template) == -1)
+ return;
+
+ commands = fopen (template, "w");
+
+ fprintf (commands, "process attach --pid %ld\n", (long) crashed_pid);
+ fprintf (commands, "thread list\n");
+ fprintf (commands, "thread backtrace all\n");
+ fprintf (commands, "detach\n");
+ fprintf (commands, "quit\n");
+
+ fflush (commands);
+ fclose (commands);
+
+ argv [1] = "--source";
+ argv [2] = template;
+ argv [3] = 0;
+ } else {
+ argv [1] = "-ex";
+ sprintf (buf1, "attach %ld", (long) crashed_pid);
+ argv [2] = buf1;
+ argv [3] = "--ex";
+ argv [4] = "info threads";
+ argv [5] = "--ex";
+ argv [6] = "thread apply all bt";
+ argv [7] = "--batch";
+ argv [8] = 0;
+ }
execv (argv [0], (char**)argv);
+
+ if (using_lldb)
+ unlink (template);
}
#endif
#endif /* __native_client__ */
#if !defined (__MACH__)
gboolean
-mono_thread_state_init_from_handle (MonoThreadUnwindState *tctx, MonoNativeThreadId thread_id, MonoNativeThreadHandle thread_handle)
+mono_thread_state_init_from_handle (MonoThreadUnwindState *tctx, MonoThreadInfo *info)
{
g_error ("Posix systems don't support mono_thread_state_init_from_handle");
return FALSE;
projects / mono.git / blobdiff