Do not use mach_vm.h on iOS.

mach_vm.h has been removed from iOS5. Use #define to use vm_ replacement of
mach_vm_ functions on iOS.

 Do not use mach_vm_allocate -> use a stack variable instead.
Review URL: http://breakpad.appspot.com/321001

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@879 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/client/mac/handler/dynamic_images.cc

@@ -38,7 +38,6 @@ extern "C" { // needed to compile on Leopard
 #include <assert.h>
 #include <AvailabilityMacros.h>
 #include <dlfcn.h>
-#include <mach/mach_vm.h>
 #include <mach/task_info.h>
 #include <sys/sysctl.h>
 #include <TargetConditionals.h>

src/client/mac/handler/dynamic_images.h

@@ -45,6 +45,8 @@
 #include <string>
 #include <vector>
 
+#include "mach_vm_compat.h"
+
 namespace google_breakpad {
 
 using std::string;

src/client/mac/handler/mach_vm_compat.h

@@ -0,0 +1,48 @@
+// Copyright (c) 2011, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef CLIENT_MAC_GENERATOR_MACH_VM_COMPAT_H_
+#define CLIENT_MAC_GENERATOR_MACH_VM_COMPAT_H_
+
+#include <TargetConditionals.h>
+
+// On iOS 5, mach/mach_vm.h is not supported anymore. As the architecture is 32
+// bits, we can use the simple vm_ functions instead of the mach_vm_ ones.
+#if TARGET_OS_IPHONE
+#include <mach/vm_map.h>
+#define mach_vm_address_t vm_address_t
+#define mach_vm_read vm_read
+#define mach_vm_region vm_region
+#define mach_vm_region_recurse vm_region_recurse
+#define mach_vm_size_t vm_size_t
+#else
+#include <mach/mach_vm.h>
+#endif  // TARGET_OS_IPHONE
+
+#endif  // CLIENT_MAC_GENERATOR_MACH_VM_COMPAT_H_

src/client/mac/handler/minidump_generator.cc

@@ -31,7 +31,6 @@
 #include <cstdio>
 
 #include <mach/host_info.h>
-#include <mach/mach_vm.h>
 #include <mach/vm_statistics.h>
 #include <mach-o/dyld.h>
 #include <mach-o/loader.h>
@@ -1378,19 +1377,11 @@ bool MinidumpGenerator::WriteMiscInfoStream(MDRawDirectory *misc_info_stream) {
   int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID,
                  static_cast<int>(info_ptr->process_id) };
   u_int mibsize = static_cast<u_int>(sizeof(mib) / sizeof(mib[0]));
-  size_t size;
-  if (!sysctl(mib, mibsize, NULL, &size, NULL, 0)) {
-    mach_vm_address_t addr;
-    if (mach_vm_allocate(mach_task_self(),
-                         &addr,
-                         size,
-                         true) == KERN_SUCCESS) {
-      struct kinfo_proc *proc = (struct kinfo_proc *)addr;
-      if (!sysctl(mib, mibsize, proc, &size, NULL, 0))
-        info_ptr->process_create_time =
-            static_cast<u_int32_t>(proc->kp_proc.p_starttime.tv_sec);
-      mach_vm_deallocate(mach_task_self(), addr, size);
-    }
+  struct kinfo_proc proc;
+  size_t size = sizeof(proc);
+  if (sysctl(mib, mibsize, &proc, &size, NULL, 0) == 0) {
+    info_ptr->process_create_time =
+        static_cast<u_int32_t>(proc.kp_proc.p_starttime.tv_sec);
   }
 
   // Speed

src/client/mac/handler/minidump_generator.h

@@ -43,6 +43,7 @@
 #include "google_breakpad/common/minidump_format.h"
 
 #include "dynamic_images.h"
+#include "mach_vm_compat.h"
 
 #if !TARGET_OS_IPHONE && (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_7)
   #define HAS_PPC_SUPPORT