gdb:

2008-11-27  Tristan Gingold  <gingold@adacore.com>

	* NEWS: Add entry for new native configuration: Darwin.
	* configure.host: Add Darwin host.
	* configure.tgt: Add Darwin target.
	* defs.h (enum gdb_osabi): Add GDB_OSABI_DARWIN.
	* osabi.c (gdb_osabi_names): Add name for Darwin abi.
	* i386-darwin-nat.c: New file.
	* i386-darwin-tdep.c: New file.
	* machoread.c: New file.
	* darwin-nat-info.c: New file.
	* darwin-nat.c: New file.
	* darwin-nat.h: New file.
	* darwin.defs: New file.
	* config/i386/darwin.mh: New file.

gdb/doc:
2008-11-27  Tristan Gingold  <gingold@adacore.com>

	* gdb.texinfo (Darwin): Document Darwin specific features.

1 files changed, 107 insertions, 0 deletions

diff --git a/gdb/darwin-nat.h b/gdb/darwin-nat.h
new file mode 100644
index 0000000..43e48dd
--- /dev/null
+++ b/gdb/darwin-nat.h
@@ -0,0 +1,107 @@
+/* Common things used by the various darwin files
+   Copyright (C) 1995, 1996, 1997, 1999, 2000, 2007, 2008
+   Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __DARWIN_NAT_H__
+#define __DARWIN_NAT_H__
+
+#include <mach/mach.h>
+#include "gdb_assert.h"
+
+/* Define the threads vector type.  */
+DEF_VEC_I (thread_t);
+
+/* Describe the mach exception handling state for a task.  This state is saved
+   before being changed and restored when a process is detached.
+   For more information on these fields see task_get_exception_ports manual
+   page.  */
+struct darwin_exception_info
+{
+  /* Exceptions handled by the port.  */
+  exception_mask_t masks[EXC_TYPES_COUNT];
+
+  /* Ports receiving exception messages.  */
+  mach_port_t ports[EXC_TYPES_COUNT];
+
+  /* Type of messages sent.  */
+  exception_behavior_t behaviors[EXC_TYPES_COUNT];
+
+  /* Type of state to be sent.  */
+  thread_state_flavor_t flavors[EXC_TYPES_COUNT];
+
+  /* Number of elements set.  */
+  mach_msg_type_number_t count;
+};
+typedef struct darwin_exception_info darwin_exception_info;
+
+/* Describe an inferior.  */
+struct darwin_inferior
+{
+  /* Inferior PID.  */
+  int pid;
+
+  /* Corresponding task port.  */
+  task_t task;
+
+  /* Previous port for request notification on task.  */
+  mach_port_t prev_not_port;
+
+  /* Initial exception handling.  */
+  darwin_exception_info exception_info;
+
+  /* Sorted vector of known threads.  */
+  VEC(thread_t) *threads;
+};
+typedef struct darwin_inferior darwin_inferior;
+
+/* Current inferior.  */
+extern darwin_inferior *darwin_inf;
+
+/* Exception port.  */
+extern mach_port_t darwin_ex_port;
+
+/* Notification port.  */
+extern mach_port_t darwin_not_port;
+
+/* Port set.  */
+extern mach_port_t darwin_port_set;
+
+/* A copy of mach_host_self ().  */
+extern mach_port_t darwin_host_self;
+
+/* ASSERT_FUNCTION is defined in gdb_assert.h (or not).  */
+#ifdef ASSERT_FUNCTION
+#define MACH_CHECK_ERROR(ret) \
+  mach_check_error (ret, __FILE__, __LINE__, ASSERT_FUNCTION)
+#else
+#define MACH_CHECK_ERROR(ret) \
+  mach_check_error (ret, __FILE__, __LINE__, "??")
+#endif
+
+extern void mach_check_error (kern_return_t ret, const char *file,
+			      unsigned int line, const char *func);
+
+void darwin_set_sstep (thread_t thread, int enable);
+
+/* This one is called in darwin-nat.c, but needs to be provided by the
+   platform specific nat code.  It allows each platform to add platform specific
+   stuff to the darwin_ops.  */
+extern void darwin_complete_target (struct target_ops *target);
+
+void darwin_check_osabi (darwin_inferior *inf, thread_t thread);
+
+#endif /* __DARWIN_NAT_H__ */