| /* |
| * Copyright (c) 2011-2012 ARM Limited |
| * All rights reserved |
| * |
| * The license below extends only to copyright in the software and shall |
| * not be construed as granting a license to any other intellectual |
| * property including but not limited to intellectual property relating |
| * to a hardware implementation of the functionality of the software |
| * licensed hereunder. You may use the software subject to the license |
| * terms below provided that you ensure that this notice is replicated |
| * unmodified and in its entirety in all distributions of the software, |
| * modified or unmodified, in source code or in binary form. |
| * |
| * Copyright (c) 2007-2008 The Florida State University |
| * 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 the copyright holders 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 __ARM_LINUX_PROCESS_HH__ |
| #define __ARM_LINUX_PROCESS_HH__ |
| |
| #include <vector> |
| |
| #include "arch/arm/process.hh" |
| |
| class ArmLinuxProcessBits |
| { |
| public: |
| struct SyscallABI {}; |
| }; |
| |
| namespace GuestABI |
| { |
| |
| template <typename ABI> |
| struct Result<ABI, SyscallReturn, |
| typename std::enable_if<std::is_base_of< |
| ArmLinuxProcessBits::SyscallABI, ABI>::value>::type> |
| { |
| static void |
| store(ThreadContext *tc, const SyscallReturn &ret) |
| { |
| if (ret.suppressed() || ret.needsRetry()) |
| return; |
| |
| tc->setIntReg(ArmISA::ReturnValueReg, ret.encodedValue()); |
| if (ret.count() > 1) |
| tc->setIntReg(ArmISA::SyscallPseudoReturnReg, ret.value2()); |
| } |
| }; |
| |
| } // namespace GuestABI |
| |
| /// A process with emulated Arm/Linux syscalls. |
| class ArmLinuxProcess32 : public ArmProcess32, public ArmLinuxProcessBits |
| { |
| public: |
| ArmLinuxProcess32(ProcessParams * params, ::Loader::ObjectFile *objFile, |
| ::Loader::Arch _arch); |
| |
| void initState() override; |
| |
| void syscall(ThreadContext *tc, Fault *fault) override; |
| |
| /// A page to hold "kernel" provided functions. The name might be wrong. |
| static const Addr commPage; |
| |
| struct SyscallABI : public ArmProcess32::SyscallABI, |
| public ArmLinuxProcessBits::SyscallABI |
| {}; |
| }; |
| |
| /// A process with emulated Arm/Linux syscalls. |
| class ArmLinuxProcess64 : public ArmProcess64, public ArmLinuxProcessBits |
| { |
| public: |
| ArmLinuxProcess64(ProcessParams * params, ::Loader::ObjectFile *objFile, |
| ::Loader::Arch _arch); |
| |
| void initState() override; |
| void syscall(ThreadContext *tc, Fault *fault) override; |
| |
| struct SyscallABI : public ArmProcess64::SyscallABI, |
| public ArmLinuxProcessBits::SyscallABI |
| {}; |
| }; |
| |
| #endif // __ARM_LINUX_PROCESS_HH__ |