/*
- * sgen-os-mach.c: Simple generational GC.
+ * sgen-os-mach.c: Mach-OS support.
*
* Author:
* Paolo Molaro (lupus@ximian.com)
* Geoff Norton (gnorton@novell.com)
*
* Copyright 2010 Novell, Inc (http://www.novell.com)
+ * Copyright (C) 2012 Xamarin Inc
*
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License 2.0 as published by the Free Software Foundation;
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License 2.0 along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "config.h"
#include <glib.h>
#include "metadata/sgen-gc.h"
#include "metadata/sgen-archdep.h"
+#include "metadata/sgen-protocol.h"
#include "metadata/object-internals.h"
#include "metadata/gc-internal.h"
#if defined(__MACH__) && MONO_MACH_ARCH_SUPPORTED
gboolean
-mono_sgen_resume_thread (SgenThreadInfo *info)
+sgen_resume_thread (SgenThreadInfo *info)
{
- return thread_resume (info->mach_port) == KERN_SUCCESS;
+ return thread_resume (info->info.native_handle) == KERN_SUCCESS;
}
gboolean
-mono_sgen_suspend_thread (SgenThreadInfo *info)
+sgen_suspend_thread (SgenThreadInfo *info)
{
mach_msg_type_number_t num_state;
thread_state_t state;
state = (thread_state_t) alloca (mono_mach_arch_get_thread_state_size ());
mctx = (mcontext_t) alloca (mono_mach_arch_get_mcontext_size ());
- ret = thread_suspend (info->mach_port);
+ ret = thread_suspend (info->info.native_handle);
if (ret != KERN_SUCCESS)
return FALSE;
- ret = mono_mach_arch_get_thread_state (info->mach_port, state, &num_state);
+ ret = mono_mach_arch_get_thread_state (info->info.native_handle, state, &num_state);
if (ret != KERN_SUCCESS)
return FALSE;
ctx.uc_mcontext = mctx;
info->stopped_domain = mono_mach_arch_get_tls_value_from_thread (
- mono_thread_info_get_tid (info), mono_domain_get_tls_offset ());
+ mono_thread_info_get_tid (info), mono_domain_get_tls_key ());
info->stopped_ip = (gpointer) mono_mach_arch_get_ip (state);
+ info->stack_start = NULL;
stack_start = (char*) mono_mach_arch_get_sp (state) - REDZONE_SIZE;
/* If stack_start is not within the limits, then don't set it in info and we will be restarted. */
if (stack_start >= info->stack_start_limit && info->stack_start <= info->stack_end) {
#ifdef USE_MONO_CTX
mono_sigctx_to_monoctx (&ctx, &info->ctx);
- info->monoctx = &info->ctx;
#else
ARCH_COPY_SIGCTX_REGS (&info->regs, &ctx);
- info->stopped_regs = &info->regs;
#endif
} else {
g_assert (!info->stack_start);
/* Notify the JIT */
if (mono_gc_get_gc_callbacks ()->thread_suspend_func)
- mono_gc_get_gc_callbacks ()->thread_suspend_func (info->runtime_data, &ctx);
+ mono_gc_get_gc_callbacks ()->thread_suspend_func (info->runtime_data, &ctx, NULL);
+
+ SGEN_LOG (2, "thread %p stopped at %p stack_start=%p", (void*)info->info.native_handle, info->stopped_ip, info->stack_start);
+
+ binary_protocol_thread_suspend ((gpointer)mono_thread_info_get_tid (info), info->stopped_ip);
return TRUE;
}
void
-mono_sgen_wait_for_suspend_ack (int count)
+sgen_wait_for_suspend_ack (int count)
{
/* mach thread_resume is synchronous so we dont need to wait for them */
}
/* LOCKING: assumes the GC lock is held */
int
-mono_sgen_thread_handshake (BOOL suspend)
+sgen_thread_handshake (BOOL suspend)
{
SgenThreadInfo *cur_thread = mono_thread_info_current ();
kern_return_t ret;
int count = 0;
FOREACH_THREAD_SAFE (info) {
- if (info == cur_thread || mono_sgen_is_worker_thread (mono_thread_info_get_tid (info)))
+ if (info->joined_stw == suspend)
+ continue;
+ info->joined_stw = suspend;
+
+ if (info == cur_thread || sgen_is_worker_thread (mono_thread_info_get_tid (info)))
continue;
if (info->gc_disabled)
continue;
g_assert (!info->doing_handshake);
info->doing_handshake = TRUE;
- if (!mono_sgen_suspend_thread (info))
+ if (!sgen_suspend_thread (info))
continue;
} else {
g_assert (info->doing_handshake);
info->doing_handshake = FALSE;
- ret = thread_resume (info->mach_port);
+ ret = thread_resume (info->info.native_handle);
if (ret != KERN_SUCCESS)
continue;
}
}
void
-mono_sgen_os_init (void)
+sgen_os_init (void)
{
}