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6a9e2e6003
This CL rolls mini_chromium to pick up the move of a bunch of files to base/apple, and makes changes to adjust. Bug: chromium:1444927 Change-Id: Ib692e2a1628e2c0c8228795eaecdb7f35b1c09fa Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/4786387 Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Avi Drissman <avi@chromium.org>
112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
// Copyright 2014 The Crashpad Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "util/mach/mach_extensions.h"
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#include <Availability.h>
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#include <pthread.h>
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#include "base/apple/mach_logging.h"
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#include "build/build_config.h"
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#include "util/mac/mac_util.h"
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namespace crashpad {
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thread_t MachThreadSelf() {
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// The pthreads library keeps its own copy of the thread port. Using it does
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// not increment its reference count.
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return pthread_mach_thread_np(pthread_self());
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}
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mach_port_t NewMachPort(mach_port_right_t right) {
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mach_port_t port = MACH_PORT_NULL;
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kern_return_t kr = mach_port_allocate(mach_task_self(), right, &port);
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MACH_LOG_IF(ERROR, kr != KERN_SUCCESS, kr) << "mach_port_allocate";
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return port;
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}
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exception_mask_t ExcMaskAll() {
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// This is necessary because of the way that the kernel validates
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// exception_mask_t arguments to
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// {host,task,thread}_{get,set,swap}_exception_ports(). It is strict,
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// rejecting attempts to operate on any bits that it does not recognize. See
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// 10.9.4 xnu-2422.110.17/osfmk/mach/ipc_host.c and
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// xnu-2422.110.17/osfmk/mach/ipc_tt.c.
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#if BUILDFLAG(IS_IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_7_0
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// iOS 7 ≅ OS X 10.9.
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#error This code was not ported to iOS versions older than 7
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#endif
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#if BUILDFLAG(IS_MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_9
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const int macos_version_number = MacOSVersionNumber();
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#endif
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// See 10.6.8 xnu-1504.15.3/osfmk/mach/exception_types.h. 10.7 uses the same
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// definition as 10.6. See 10.7.5 xnu-1699.32.7/osfmk/mach/exception_types.h
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constexpr exception_mask_t kExcMaskAll_10_6 =
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EXC_MASK_BAD_ACCESS |
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EXC_MASK_BAD_INSTRUCTION |
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EXC_MASK_ARITHMETIC |
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EXC_MASK_EMULATION |
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EXC_MASK_SOFTWARE |
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EXC_MASK_BREAKPOINT |
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EXC_MASK_SYSCALL |
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EXC_MASK_MACH_SYSCALL |
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EXC_MASK_RPC_ALERT |
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EXC_MASK_MACHINE;
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#if BUILDFLAG(IS_MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_8
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if (macos_version_number < 10'08'00) {
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return kExcMaskAll_10_6;
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}
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#endif
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// 10.8 added EXC_MASK_RESOURCE. See 10.8.5
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// xnu-2050.48.11/osfmk/mach/exception_types.h.
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constexpr exception_mask_t kExcMaskAll_10_8 =
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kExcMaskAll_10_6 | EXC_MASK_RESOURCE;
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#if BUILDFLAG(IS_MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_9
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if (macos_version_number < 10'09'00) {
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return kExcMaskAll_10_8;
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}
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#endif
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// 10.9 added EXC_MASK_GUARD. See 10.9.4
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// xnu-2422.110.17/osfmk/mach/exception_types.h.
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constexpr exception_mask_t kExcMaskAll_10_9 =
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kExcMaskAll_10_8 | EXC_MASK_GUARD;
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return kExcMaskAll_10_9;
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}
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exception_mask_t ExcMaskValid() {
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const exception_mask_t kExcMaskValid_10_6 = ExcMaskAll() | EXC_MASK_CRASH;
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#if BUILDFLAG(IS_IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_9_0
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// iOS 9 ≅ OS X 10.11.
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#error This code was not ported to iOS versions older than 9
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#endif
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#if BUILDFLAG(IS_MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_11
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if (MacOSVersionNumber() < 10'11'00) {
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return kExcMaskValid_10_6;
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}
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#endif
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// 10.11 added EXC_MASK_CORPSE_NOTIFY. See 10.11 <mach/exception_types.h>.
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const exception_mask_t kExcMaskValid_10_11 =
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kExcMaskValid_10_6 | EXC_MASK_CORPSE_NOTIFY;
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return kExcMaskValid_10_11;
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}
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} // namespace crashpad
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