Adam Kallai 7198015c73 Fix the Chromium build on ChromeOS for aarch64
PTRACE_GET_THREAD_AREA is only removed from the newer version of glibc (>=2.28)
for aarch64. Since ChromeOS uses 2.23 version of glibc currently,
so it should be handled in crashpad to avoid the redefinition.

BUG=chromium:873168

Change-Id: I8da6bc0595b814b0490b38da6f4a68e6803bb5b9
Reviewed-on: https://chromium-review.googlesource.com/1188309
Reviewed-by: Mark Mentovai <mark@chromium.org>
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
2018-08-24 16:52:31 +00:00

53 lines
2.2 KiB
C

// Copyright 2017 The Crashpad Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef CRASHPAD_COMPAT_LINUX_SYS_PTRACE_H_
#define CRASHPAD_COMPAT_LINUX_SYS_PTRACE_H_
#include_next <sys/ptrace.h>
#include <sys/cdefs.h>
// https://sourceware.org/bugzilla/show_bug.cgi?id=22433
#if !defined(PTRACE_GET_THREAD_AREA) && !defined(PT_GET_THREAD_AREA) && \
defined(__GLIBC__)
#if defined(__i386__) || defined(__x86_64__)
static constexpr __ptrace_request PTRACE_GET_THREAD_AREA =
static_cast<__ptrace_request>(25);
#define PTRACE_GET_THREAD_AREA PTRACE_GET_THREAD_AREA
// https://bugs.chromium.org/p/chromium/issues/detail?id=873168
#elif defined(__arm__) || (defined(__aarch64__) && __GLIBC_PREREQ(2,28))
static constexpr __ptrace_request PTRACE_GET_THREAD_AREA =
static_cast<__ptrace_request>(22);
#define PTRACE_GET_THREAD_AREA PTRACE_GET_THREAD_AREA
#elif defined(__mips__)
static constexpr __ptrace_request PTRACE_GET_THREAD_AREA =
static_cast<__ptrace_request>(25);
#define PTRACE_GET_THREAD_AREA PTRACE_GET_THREAD_AREA
static constexpr __ptrace_request PTRACE_GET_THREAD_AREA_3264 =
static_cast<__ptrace_request>(0xc4);
#define PTRACE_GET_THREAD_AREA_3264 PTRACE_GET_THREAD_AREA_3264
#endif
#endif // !PTRACE_GET_THREAD_AREA && !PT_GET_THREAD_AREA && defined(__GLIBC__)
// https://sourceware.org/bugzilla/show_bug.cgi?id=22433
#if !defined(PTRACE_GETVFPREGS) && !defined(PT_GETVFPREGS) && \
defined(__GLIBC__) && (defined(__arm__) || defined(__aarch64__))
static constexpr __ptrace_request PTRACE_GETVFPREGS =
static_cast<__ptrace_request>(27);
#define PTRACE_GETVFPREGS PTRACE_GETVFPREGS
#endif
#endif // CRASHPAD_COMPAT_LINUX_SYS_PTRACE_H_