blob: c2fff8bf88670d6915fa1d07023b7b4462716d3a [file] [log] [blame]
/*
* 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__