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70 lines
2.4 KiB
70 lines
2.4 KiB
4 months ago
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/*
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* Copyright (C) 2016 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _LIBUNWINDSTACK_UCONTEXT_ARM64_H
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#define _LIBUNWINDSTACK_UCONTEXT_ARM64_H
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#include <stdint.h>
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#include <unwindstack/MachineArm64.h>
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namespace unwindstack {
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struct arm64_stack_t {
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uint64_t ss_sp; // void __user*
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int32_t ss_flags; // int
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uint64_t ss_size; // size_t
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};
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struct arm64_sigset_t {
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uint64_t sig; // unsigned long
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};
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struct arm64_mcontext_t {
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uint64_t fault_address; // __u64
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uint64_t regs[ARM64_REG_LAST]; // __u64
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uint64_t pstate; // __u64
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// Nothing else is used, so don't define it.
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};
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struct arm64_ucontext_t {
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uint64_t uc_flags; // unsigned long
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uint64_t uc_link; // struct ucontext*
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arm64_stack_t uc_stack;
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arm64_sigset_t uc_sigmask;
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// The kernel adds extra padding after uc_sigmask to match glibc sigset_t on ARM64.
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char __padding[128 - sizeof(arm64_sigset_t)];
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// The full structure requires 16 byte alignment, but our partial structure
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// doesn't, so force the alignment.
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arm64_mcontext_t uc_mcontext __attribute__((aligned(16)));
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};
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} // namespace unwindstack
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#endif // _LIBUNWINDSTACK_UCONTEXT_ARM64_H
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