platform_system_core/libunwindstack/UcontextArm64.h
Christopher Ferris d06001d6e0 Split arch data into separate files.
Add an ArchEnum to express the arch of the Elf objects and Reg objects.

Split out the regs code into per arch pieces and generic parts.
Also, split out the header files for each arch.

Do not break out the test code yet, there isn't enough and it doesn't
help to maintain the tests.

Test: libunwindstack/libbacktrace/debuggerd unit tests pass.
Test: Running debuggerd -b <PIDS> yields valid data on bullhead.
Change-Id: If61f6c730c9ff2249f986b41de8c4d62f7158325
2017-12-06 16:01:40 -08:00

69 lines
2.4 KiB
C++

/*
* Copyright (C) 2016 The Android Open Source Project
* 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.
*
* 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 _LIBUNWINDSTACK_UCONTEXT_ARM64_H
#define _LIBUNWINDSTACK_UCONTEXT_ARM64_H
#include <stdint.h>
#include "MachineArm64.h"
namespace unwindstack {
struct arm64_stack_t {
uint64_t ss_sp; // void __user*
int32_t ss_flags; // int
uint64_t ss_size; // size_t
};
struct arm64_sigset_t {
uint64_t sig; // unsigned long
};
struct arm64_mcontext_t {
uint64_t fault_address; // __u64
uint64_t regs[ARM64_REG_LAST]; // __u64
uint64_t pstate; // __u64
// Nothing else is used, so don't define it.
};
struct arm64_ucontext_t {
uint64_t uc_flags; // unsigned long
uint64_t uc_link; // struct ucontext*
arm64_stack_t uc_stack;
arm64_sigset_t uc_sigmask;
// The kernel adds extra padding after uc_sigmask to match glibc sigset_t on ARM64.
char __padding[128 - sizeof(arm64_sigset_t)];
// The full structure requires 16 byte alignment, but our partial structure
// doesn't, so force the alignment.
arm64_mcontext_t uc_mcontext __attribute__((aligned(16)));
};
} // namespace unwindstack
#endif // _LIBUNWINDSTACK_UCONTEXT_ARM64_H