mono_gdb_render_native_backtraces (pid_t crashed_pid)
{
const char *argv [5];
- char gdb_template [] = "/tmp/mono-gdb-commands.XXXXXX";
+ char template [] = "/tmp/mono-gdb-commands.XXXXXX";
+ FILE *commands;
+ gboolean using_lldb = FALSE;
argv [0] = g_find_program_in_path ("gdb");
- if (argv [0] == NULL) {
- return;
+ if (!argv [0]) {
+ argv [0] = g_find_program_in_path ("lldb");
+ using_lldb = TRUE;
}
- if (mkstemp (gdb_template) != -1) {
- FILE *gdb_commands = fopen (gdb_template, "w");
-
- fprintf (gdb_commands, "attach %ld\n", (long) crashed_pid);
- fprintf (gdb_commands, "info threads\n");
- fprintf (gdb_commands, "thread apply all bt\n");
+ if (argv [0] == NULL)
+ return;
- fflush (gdb_commands);
- fclose (gdb_commands);
+ if (mkstemp (template) == -1)
+ return;
+ commands = fopen (template, "w");
+ if (using_lldb) {
+ 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");
+ argv [1] = "--source";
+ argv [2] = template;
+ argv [3] = 0;
+
+ } else {
+ fprintf (commands, "attach %ld\n", (long) crashed_pid);
+ fprintf (commands, "info threads\n");
+ fprintf (commands, "thread apply all bt\n");
argv [1] = "-batch";
argv [2] = "-x";
- argv [3] = gdb_template;
+ argv [3] = template;
argv [4] = 0;
-
- execv (argv [0], (char**)argv);
-
- unlink (gdb_template);
}
+ fflush (commands);
+ fclose (commands);
+
+ execv (argv [0], (char**)argv);
+ unlink (template);
}
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)
{
kern_return_t ret;
mach_msg_type_number_t num_state;
thread_state_t state;
ucontext_t ctx;
mcontext_t mctx;
- guint32 domain_key, jit_key;
MonoJitTlsData *jit_tls;
void *domain;
-#if defined (MONO_ARCH_ENABLE_MONO_LMF_VAR)
- guint32 lmf_key;
-#endif
+ MonoLMF *lmf = NULL;
+ gpointer *addr;
+ g_assert (info);
/*Zero enough state to make sure the caller doesn't confuse itself*/
tctx->valid = FALSE;
tctx->unwind_data [MONO_UNWIND_DATA_DOMAIN] = NULL;
state = (thread_state_t) alloca (mono_mach_arch_get_thread_state_size ());
mctx = (mcontext_t) alloca (mono_mach_arch_get_mcontext_size ());
- ret = mono_mach_arch_get_thread_state (thread_handle, state, &num_state);
+ ret = mono_mach_arch_get_thread_state (info->native_handle, state, &num_state);
if (ret != KERN_SUCCESS)
return FALSE;
mono_sigctx_to_monoctx (&ctx, &tctx->ctx);
- domain_key = mono_domain_get_tls_key ();
- jit_key = mono_get_jit_tls_key ();
-
- jit_tls = mono_mach_arch_get_tls_value_from_thread (thread_id, jit_key);
- domain = mono_mach_arch_get_tls_value_from_thread (thread_id, domain_key);
+ /* mono_set_jit_tls () sets this */
+ jit_tls = mono_thread_info_tls_get (info, TLS_KEY_JIT_TLS);
+ /* SET_APPDOMAIN () sets this */
+ domain = mono_thread_info_tls_get (info, TLS_KEY_DOMAIN);
/*Thread already started to cleanup, can no longer capture unwind state*/
if (!jit_tls || !domain)
return FALSE;
-#if defined (MONO_ARCH_ENABLE_MONO_LMF_VAR)
- lmf_key = mono_get_lmf_tls_offset ();
- tctx->unwind_data [MONO_UNWIND_DATA_LMF] = mono_mach_arch_get_tls_value_from_thread (thread_id, lmf_key);;
-#else
- tctx->unwind_data [MONO_UNWIND_DATA_LMF] = jit_tls ? jit_tls->lmf : NULL;
-#endif
+ /*
+ * The current LMF address is kept in a separate TLS variable, and its hard to read its value without
+ * arch-specific code. But the address of the TLS variable is stored in another TLS variable which
+ * can be accessed through MonoThreadInfo.
+ */
+ /* mono_set_lmf_addr () sets this */
+ addr = mono_thread_info_tls_get (info, TLS_KEY_LMF_ADDR);
+ if (addr)
+ lmf = *addr;
+
tctx->unwind_data [MONO_UNWIND_DATA_DOMAIN] = domain;
tctx->unwind_data [MONO_UNWIND_DATA_JIT_TLS] = jit_tls;
+ tctx->unwind_data [MONO_UNWIND_DATA_LMF] = lmf;
tctx->valid = TRUE;
return TRUE;