| /* |
| * Copyright (c) 2007 The Hewlett-Packard Development Company |
| * 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. |
| * |
| * 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 __X86_LINUX_PROCESS_HH__ |
| #define __X86_LINUX_PROCESS_HH__ |
| |
| #include "arch/x86/linux/linux.hh" |
| #include "arch/x86/process.hh" |
| #include "sim/process.hh" |
| #include "sim/syscall_abi.hh" |
| |
| struct ProcessParams; |
| struct ThreadContext; |
| |
| namespace X86ISA |
| { |
| |
| class X86_64LinuxProcess : public X86_64Process |
| { |
| public: |
| using X86_64Process::X86_64Process; |
| void syscall(ThreadContext *tc, Fault *fault) override; |
| void clone(ThreadContext *old_tc, ThreadContext *new_tc, Process *process, |
| RegVal flags) override; |
| |
| struct SyscallABI : public GenericSyscallABI64, public X86Linux::SyscallABI |
| { |
| static const std::vector<IntRegIndex> ArgumentRegs; |
| }; |
| }; |
| |
| class I386LinuxProcess : public I386Process |
| { |
| public: |
| using I386Process::I386Process; |
| void syscall(ThreadContext *tc, Fault *fault) override; |
| void clone(ThreadContext *old_tc, ThreadContext *new_tc, Process *process, |
| RegVal flags) override; |
| |
| struct SyscallABI : public GenericSyscallABI32, public X86Linux::SyscallABI |
| { |
| static const std::vector<IntRegIndex> ArgumentRegs; |
| }; |
| }; |
| |
| } // namespace X86ISA |
| |
| namespace GuestABI |
| { |
| |
| template <typename Arg> |
| struct Argument<X86ISA::I386LinuxProcess::SyscallABI, Arg, |
| typename std::enable_if< |
| X86ISA::I386LinuxProcess::SyscallABI::IsWide<Arg>::value>::type> |
| { |
| using ABI = X86ISA::I386LinuxProcess::SyscallABI; |
| |
| static Arg |
| get(ThreadContext *tc, typename ABI::State &state) |
| { |
| panic_if(state + 1 >= ABI::ArgumentRegs.size(), |
| "Ran out of syscall argument registers."); |
| auto low = ABI::ArgumentRegs[state++]; |
| auto high = ABI::ArgumentRegs[state++]; |
| return (Arg)ABI::mergeRegs(tc, low, high); |
| } |
| }; |
| |
| } // namespace GuestABI |
| |
| #endif // __X86_LINUX_PROCESS_HH__ |